1.1 --- a/.hgtags	Wed Dec 05 10:03:58 2012 +0100
     1.2 +++ b/.hgtags	Sun Feb 03 07:48:42 2013 +0100
     1.3 @@ -1,9 +1,1 @@
     1.4  0a115f1c6f3c70458fc479ae82b4d7fcdeb7e95a jdk7-b147_base
     1.5 -5ab1f0890a42d7b5d73adde545d5cadd9b99e2d1 reflectionOnClasses
     1.6 -5ab1f0890a42d7b5d73adde545d5cadd9b99e2d1 reflectionOnClasses
     1.7 -d0013f44e9b11093be3337ae11692f25c1e52de6 reflectionOnClasses
     1.8 -d0013f44e9b11093be3337ae11692f25c1e52de6 d0013f44e9b1
     1.9 -d0013f44e9b11093be3337ae11692f25c1e52de6 d0013f44e9b1
    1.10 -0000000000000000000000000000000000000000 d0013f44e9b1
    1.11 -d0013f44e9b11093be3337ae11692f25c1e52de6 reflectionOnClasses
    1.12 -d0013f44e9b11093be3337ae11692f25c1e52de6 reflectionOnClasses

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/benchmarks/matrix-multiplication/pom.xml	Sun Feb 03 07:48:42 2013 +0100
     2.3 @@ -0,0 +1,56 @@
     2.4 +<?xml version="1.0"?>
     2.5 +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     2.6 +  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     2.7 +  <modelVersion>4.0.0</modelVersion>
     2.8 +
     2.9 +  <groupId>org.apidesign.bck2brwsr</groupId>
    2.10 +  <artifactId>matrix.multiplication</artifactId>
    2.11 +  <version>0.3-SNAPSHOT</version>
    2.12 +  <packaging>jar</packaging>
    2.13 +
    2.14 +  <name>Matrix multiplication</name>
    2.15 +
    2.16 +  <properties>
    2.17 +    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    2.18 +  </properties>
    2.19 +
    2.20 +  <build>
    2.21 +      <plugins>
    2.22 +          <plugin>
    2.23 +            <groupId>org.apache.maven.plugins</groupId>
    2.24 +            <artifactId>maven-compiler-plugin</artifactId>
    2.25 +            <version>2.3.2</version>
    2.26 +            <configuration>
    2.27 +               <source>1.7</source>
    2.28 +               <target>1.7</target>
    2.29 +            </configuration>
    2.30 +          </plugin>
    2.31 +      </plugins>
    2.32 +  </build>
    2.33 +  
    2.34 +  <dependencies>
    2.35 +    <dependency>
    2.36 +      <groupId>org.apidesign.bck2brwsr</groupId>
    2.37 +      <artifactId>emul.mini</artifactId>
    2.38 +      <version>0.3-SNAPSHOT</version>
    2.39 +    </dependency>
    2.40 +    <dependency>
    2.41 +      <groupId>org.testng</groupId>
    2.42 +      <artifactId>testng</artifactId>
    2.43 +      <version>6.5.2</version>
    2.44 +      <scope>test</scope>
    2.45 +      <exclusions>
    2.46 +        <exclusion>
    2.47 +          <artifactId>junit</artifactId>
    2.48 +          <groupId>junit</groupId>
    2.49 +        </exclusion>
    2.50 +      </exclusions>
    2.51 +    </dependency>
    2.52 +    <dependency>
    2.53 +      <groupId>org.apidesign.bck2brwsr</groupId>
    2.54 +      <artifactId>vmtest</artifactId>
    2.55 +      <version>0.3-SNAPSHOT</version>
    2.56 +      <scope>test</scope>
    2.57 +    </dependency>
    2.58 +  </dependencies>
    2.59 +</project>

     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/benchmarks/matrix-multiplication/src/main/java/org/apidesign/benchmark/matrixmul/Matrix.java	Sun Feb 03 07:48:42 2013 +0100
     3.3 @@ -0,0 +1,108 @@
     3.4 +/**
     3.5 + * Back 2 Browser Bytecode Translator
     3.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     3.7 + *
     3.8 + * This program is free software: you can redistribute it and/or modify
     3.9 + * it under the terms of the GNU General Public License as published by
    3.10 + * the Free Software Foundation, version 2 of the License.
    3.11 + *
    3.12 + * This program is distributed in the hope that it will be useful,
    3.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    3.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    3.15 + * GNU General Public License for more details.
    3.16 + *
    3.17 + * You should have received a copy of the GNU General Public License
    3.18 + * along with this program. Look for COPYING file in the top folder.
    3.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    3.20 + */
    3.21 +package org.apidesign.benchmark.matrixmul;
    3.22 +
    3.23 +import java.io.IOException;
    3.24 +import java.util.Arrays;
    3.25 +
    3.26 +public class Matrix {
    3.27 +    private final int rank;
    3.28 +    private final float data[][];
    3.29 +    
    3.30 +    public Matrix(int r) {
    3.31 +        this(r, new float[r][r]);
    3.32 +    }
    3.33 +    
    3.34 +    private Matrix(int r, float[][] data) {
    3.35 +        this.rank = r;
    3.36 +        this.data = data;
    3.37 +    }
    3.38 +    
    3.39 +    public void setElement(int i, int j, float value) {
    3.40 +        data[i][j] = value;
    3.41 +    }
    3.42 +    public float getElement(int i, int j) {
    3.43 +        return data[i][j];
    3.44 +    }
    3.45 +    
    3.46 +    public void generateData() {
    3.47 +        //final Random rand = new Random();
    3.48 +        //final int x = 10;
    3.49 +        for (int i = 0; i < rank; i++) {
    3.50 +            for (int j = 0; j < rank; j++) {
    3.51 +                data[i][j] = 1 / (1 + i + j);
    3.52 +            }
    3.53 +        }
    3.54 +    }
    3.55 +
    3.56 +    public Matrix multiply(Matrix m) {
    3.57 +        if (rank != m.rank) {
    3.58 +            throw new IllegalArgumentException("Rank doesn't match");
    3.59 +        }
    3.60 +        
    3.61 +        final float res[][] = new float[rank][rank];
    3.62 +        for (int i = 0; i < rank; i++) {
    3.63 +            for (int j = 0; j < rank; j++) {
    3.64 +                float ij = 0;
    3.65 +                for (int q = 0; q < rank; q++) {
    3.66 +                    ij += data[i][q] * m.data[q][j];
    3.67 +                }
    3.68 +                res[i][j] = ij;
    3.69 +            }
    3.70 +        }
    3.71 +        return new Matrix(rank, res);
    3.72 +    }
    3.73 +    
    3.74 +    public void printOn(Appendable s) throws IOException {
    3.75 +        for (int i = 0; i < rank; i++) {
    3.76 +            String sep = "";
    3.77 +            for (int j = 0; j < rank; j++) {
    3.78 +                s.append(sep + data[i][j]);
    3.79 +                sep = " ";
    3.80 +            }
    3.81 +            s.append("\n");
    3.82 +        }
    3.83 +    }
    3.84 +
    3.85 +    @Override
    3.86 +    public boolean equals(Object obj) {
    3.87 +        if (obj instanceof Matrix) {
    3.88 +            Matrix snd = (Matrix)obj;
    3.89 +            if (snd.rank != rank) {
    3.90 +                return false;
    3.91 +            }
    3.92 +            for (int i = 0; i < rank; i++) {
    3.93 +                for (int j = 0; j < rank; j++) {
    3.94 +                    if (data[i][j] != snd.data[i][j]) {
    3.95 +                        return false;
    3.96 +                    }
    3.97 +                }
    3.98 +            }
    3.99 +            return true;
   3.100 +        }
   3.101 +        return false;
   3.102 +    }
   3.103 +
   3.104 +    @Override
   3.105 +    public int hashCode() {
   3.106 +        int hash = 3;
   3.107 +        hash = 97 * hash + this.rank;
   3.108 +        hash = 97 * hash + Arrays.deepHashCode(this.data);
   3.109 +        return hash;
   3.110 +    }
   3.111 +}

     4.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     4.2 +++ b/benchmarks/matrix-multiplication/src/test/java/org/apidesign/benchmark/matrixmul/MatrixTest.java	Sun Feb 03 07:48:42 2013 +0100
     4.3 @@ -0,0 +1,57 @@
     4.4 +/**
     4.5 + * Back 2 Browser Bytecode Translator
     4.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4.7 + *
     4.8 + * This program is free software: you can redistribute it and/or modify
     4.9 + * it under the terms of the GNU General Public License as published by
    4.10 + * the Free Software Foundation, version 2 of the License.
    4.11 + *
    4.12 + * This program is distributed in the hope that it will be useful,
    4.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    4.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    4.15 + * GNU General Public License for more details.
    4.16 + *
    4.17 + * You should have received a copy of the GNU General Public License
    4.18 + * along with this program. Look for COPYING file in the top folder.
    4.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    4.20 + */
    4.21 +package org.apidesign.benchmark.matrixmul;
    4.22 +
    4.23 +import java.io.IOException;
    4.24 +import org.apidesign.bck2brwsr.vmtest.Compare;
    4.25 +import org.apidesign.bck2brwsr.vmtest.VMTest;
    4.26 +import org.testng.annotations.Factory;
    4.27 +
    4.28 +/**
    4.29 + *
    4.30 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    4.31 + */
    4.32 +public class MatrixTest {
    4.33 +    public MatrixTest() {
    4.34 +    }
    4.35 +
    4.36 +    @Compare(scripting = false) 
    4.37 +    public String tenThousandIterations() throws IOException {
    4.38 +    
    4.39 +        Matrix m1 = new Matrix(5);
    4.40 +        Matrix m2 = new Matrix(5);
    4.41 +        
    4.42 +        m1.generateData();
    4.43 +        m2.generateData();
    4.44 +        
    4.45 +        Matrix res = null;
    4.46 +        for (int i = 0; i < 10000; i++) {
    4.47 +            res = m1.multiply(m2);
    4.48 +            m1 = res;
    4.49 +        }
    4.50 +        
    4.51 +        StringBuilder sb = new StringBuilder();
    4.52 +        res.printOn(sb);
    4.53 +        return sb.toString();
    4.54 +    }
    4.55 +    
    4.56 +    @Factory
    4.57 +    public static Object[] create() {
    4.58 +        return VMTest.create(MatrixTest.class);
    4.59 +    }
    4.60 +}

     5.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.2 +++ b/benchmarks/pom.xml	Sun Feb 03 07:48:42 2013 +0100
     5.3 @@ -0,0 +1,17 @@
     5.4 +<?xml version="1.0" encoding="UTF-8"?>
     5.5 +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     5.6 +  <modelVersion>4.0.0</modelVersion>
     5.7 +  <parent>
     5.8 +    <artifactId>bck2brwsr</artifactId>
     5.9 +    <groupId>org.apidesign</groupId>
    5.10 +    <version>0.3-SNAPSHOT</version>
    5.11 +  </parent>
    5.12 +  <groupId>org.apidesign.bck2brwsr</groupId>
    5.13 +  <artifactId>benchmarks</artifactId>
    5.14 +  <version>0.3-SNAPSHOT</version>
    5.15 +  <packaging>pom</packaging>
    5.16 +  <name>Performance benchmarks</name>
    5.17 +  <modules>
    5.18 +    <module>matrix-multiplication</module>
    5.19 +  </modules>
    5.20 +</project>

     6.1 --- a/core/pom.xml	Wed Dec 05 10:03:58 2012 +0100
     6.2 +++ b/core/pom.xml	Sun Feb 03 07:48:42 2013 +0100
     6.3 @@ -19,8 +19,8 @@
     6.4                  <artifactId>maven-compiler-plugin</artifactId>
     6.5                  <version>2.3.2</version>
     6.6                  <configuration>
     6.7 -                    <source>1.6</source>
     6.8 -                    <target>1.6</target>
     6.9 +                    <source>1.7</source>
    6.10 +                    <target>1.7</target>
    6.11                  </configuration>
    6.12              </plugin>
    6.13          </plugins>
    6.14 @@ -35,6 +35,10 @@
    6.15        <version>3.8.1</version>
    6.16        <scope>test</scope>
    6.17      </dependency>
    6.18 +    <dependency>
    6.19 +      <groupId>org.netbeans.api</groupId>
    6.20 +      <artifactId>org-openide-util-lookup</artifactId>
    6.21 +    </dependency>
    6.22    </dependencies>
    6.23      <description>Contains esential annotations for associating JavaScript code with
    6.24  methods and classes.</description>

     7.1 --- a/core/src/main/java/org/apidesign/bck2brwsr/core/JavaScriptPrototype.java	Wed Dec 05 10:03:58 2012 +0100
     7.2 +++ b/core/src/main/java/org/apidesign/bck2brwsr/core/JavaScriptPrototype.java	Sun Feb 03 07:48:42 2013 +0100
     7.3 @@ -29,10 +29,13 @@
     7.4  @Target({ ElementType.TYPE })
     7.5  public @interface JavaScriptPrototype {
     7.6      /** Expression that identifies the function where all methods
     7.7 -     * should be added into.
     7.8 +     * should be added into. If this attribute is unspecified
     7.9 +     * all methods are added to the same object specified by
    7.10 +     * {@link #prototype()}.
    7.11 +     * 
    7.12       * @return name of function to contain methods found in given class
    7.13       */
    7.14 -    String container();
    7.15 +    String container() default "";
    7.16      /** Expression that defines the way to construct prototype for this
    7.17       * class.
    7.18       * @return expression to construct prototype

     8.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     8.2 +++ b/core/src/main/java/org/apidesign/bck2brwsr/core/impl/JavaScriptProcesor.java	Sun Feb 03 07:48:42 2013 +0100
     8.3 @@ -0,0 +1,94 @@
     8.4 +/**
     8.5 + * Back 2 Browser Bytecode Translator
     8.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     8.7 + *
     8.8 + * This program is free software: you can redistribute it and/or modify
     8.9 + * it under the terms of the GNU General Public License as published by
    8.10 + * the Free Software Foundation, version 2 of the License.
    8.11 + *
    8.12 + * This program is distributed in the hope that it will be useful,
    8.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    8.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    8.15 + * GNU General Public License for more details.
    8.16 + *
    8.17 + * You should have received a copy of the GNU General Public License
    8.18 + * along with this program. Look for COPYING file in the top folder.
    8.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
    8.20 + */
    8.21 +package org.apidesign.bck2brwsr.core.impl;
    8.22 +
    8.23 +import java.util.Collections;
    8.24 +import java.util.HashSet;
    8.25 +import java.util.List;
    8.26 +import java.util.Set;
    8.27 +import javax.annotation.processing.AbstractProcessor;
    8.28 +import javax.annotation.processing.Completion;
    8.29 +import javax.annotation.processing.Completions;
    8.30 +import javax.annotation.processing.Processor;
    8.31 +import javax.annotation.processing.RoundEnvironment;
    8.32 +import javax.lang.model.element.AnnotationMirror;
    8.33 +import javax.lang.model.element.Element;
    8.34 +import javax.lang.model.element.ElementKind;
    8.35 +import javax.lang.model.element.ExecutableElement;
    8.36 +import javax.lang.model.element.TypeElement;
    8.37 +import javax.lang.model.element.VariableElement;
    8.38 +import javax.tools.Diagnostic;
    8.39 +import org.apidesign.bck2brwsr.core.JavaScriptBody;
    8.40 +import org.openide.util.lookup.ServiceProvider;
    8.41 +
    8.42 +/**
    8.43 + *
    8.44 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    8.45 + */
    8.46 +@ServiceProvider(service = Processor.class)
    8.47 +public final class JavaScriptProcesor extends AbstractProcessor {
    8.48 +    @Override
    8.49 +    public Set<String> getSupportedAnnotationTypes() {
    8.50 +        Set<String> set = new HashSet<>();
    8.51 +        set.add(JavaScriptBody.class.getName());
    8.52 +        return set;
    8.53 +    }
    8.54 +    
    8.55 +    @Override
    8.56 +    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
    8.57 +        for (Element e : roundEnv.getElementsAnnotatedWith(JavaScriptBody.class)) {
    8.58 +            if (e.getKind() != ElementKind.METHOD && e.getKind() != ElementKind.CONSTRUCTOR) {
    8.59 +                continue;
    8.60 +            }
    8.61 +            ExecutableElement ee = (ExecutableElement)e;
    8.62 +            List<? extends VariableElement> params = ee.getParameters();
    8.63 +            
    8.64 +            JavaScriptBody jsb = e.getAnnotation(JavaScriptBody.class);
    8.65 +            if (jsb == null) {
    8.66 +                continue;
    8.67 +            }
    8.68 +            String[] arr = jsb.args();
    8.69 +            if (params.size() != arr.length) {
    8.70 +                processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "Number of args arguments does not match real arguments!", e);
    8.71 +            }
    8.72 +        }
    8.73 +        return true;
    8.74 +    }
    8.75 +
    8.76 +    @Override
    8.77 +    public Iterable<? extends Completion> getCompletions(Element e, 
    8.78 +        AnnotationMirror annotation, ExecutableElement member, String userText
    8.79 +    ) {
    8.80 +        StringBuilder sb = new StringBuilder();
    8.81 +        if (e.getKind() == ElementKind.METHOD && member.getSimpleName().contentEquals("args")) {
    8.82 +            ExecutableElement ee = (ExecutableElement) e;
    8.83 +            String sep = "";
    8.84 +            sb.append("{ ");
    8.85 +            for (VariableElement ve : ee.getParameters()) {
    8.86 +                sb.append(sep).append('"').append(ve.getSimpleName())
    8.87 +                    .append('"');
    8.88 +                sep = ", ";
    8.89 +            }
    8.90 +            sb.append(" }");
    8.91 +            return Collections.nCopies(1, Completions.of(sb.toString()));
    8.92 +        }
    8.93 +        return null;
    8.94 +    }
    8.95 +
    8.96 +    
    8.97 +}

     9.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     9.2 +++ b/dew/nbactions.xml	Sun Feb 03 07:48:42 2013 +0100
     9.3 @@ -0,0 +1,52 @@
     9.4 +<?xml version="1.0" encoding="UTF-8"?>
     9.5 +<!--
     9.6 +
     9.7 +    Back 2 Browser Bytecode Translator
     9.8 +    Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     9.9 +
    9.10 +    This program is free software: you can redistribute it and/or modify
    9.11 +    it under the terms of the GNU General Public License as published by
    9.12 +    the Free Software Foundation, version 2 of the License.
    9.13 +
    9.14 +    This program is distributed in the hope that it will be useful,
    9.15 +    but WITHOUT ANY WARRANTY; without even the implied warranty of
    9.16 +    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    9.17 +    GNU General Public License for more details.
    9.18 +
    9.19 +    You should have received a copy of the GNU General Public License
    9.20 +    along with this program. Look for COPYING file in the top folder.
    9.21 +    If not, see http://opensource.org/licenses/GPL-2.0.
    9.22 +
    9.23 +-->
    9.24 +<actions>
    9.25 +        <action>
    9.26 +            <actionName>run</actionName>
    9.27 +            <goals>
    9.28 +                <goal>process-classes</goal>
    9.29 +                <goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
    9.30 +            </goals>
    9.31 +        </action>
    9.32 +        <action>
    9.33 +            <actionName>debug</actionName>
    9.34 +            <goals>
    9.35 +                <goal>process-classes</goal>
    9.36 +                <goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
    9.37 +            </goals>
    9.38 +            <properties>
    9.39 +                <exec.args>-Xdebug -Xrunjdwp:transport=dt_socket,server=n,address=${jpda.address} -classpath %classpath org.apidesign.bck2brwsr.dew.Dew</exec.args>
    9.40 +                <exec.executable>java</exec.executable>
    9.41 +                <jpda.listen>true</jpda.listen>
    9.42 +            </properties>
    9.43 +        </action>
    9.44 +        <action>
    9.45 +            <actionName>profile</actionName>
    9.46 +            <goals>
    9.47 +                <goal>process-classes</goal>
    9.48 +                <goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
    9.49 +            </goals>
    9.50 +            <properties>
    9.51 +                <exec.args>${profiler.args} -classpath %classpath org.apidesign.bck2brwsr.dew.Dew</exec.args>
    9.52 +                <exec.executable>${profiler.java}</exec.executable>
    9.53 +            </properties>
    9.54 +        </action>
    9.55 +    </actions>

    10.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    10.2 +++ b/dew/pom.xml	Sun Feb 03 07:48:42 2013 +0100
    10.3 @@ -0,0 +1,84 @@
    10.4 +<?xml version="1.0"?>
    10.5 +<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    10.6 +    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    10.7 +  <modelVersion>4.0.0</modelVersion>
    10.8 +  <parent>
    10.9 +    <groupId>org.apidesign</groupId>
   10.10 +    <artifactId>bck2brwsr</artifactId>
   10.11 +    <version>0.3-SNAPSHOT</version>
   10.12 +  </parent>
   10.13 +  <groupId>org.apidesign.bck2brwsr</groupId>
   10.14 +  <artifactId>dew</artifactId>
   10.15 +  <version>0.3-SNAPSHOT</version>
   10.16 +  <name>Development Environment for Web</name>
   10.17 +  <url>http://maven.apache.org</url>
   10.18 +    <build>
   10.19 +        <plugins>
   10.20 +            <plugin>
   10.21 +                <groupId>org.apache.maven.plugins</groupId>
   10.22 +                <artifactId>maven-compiler-plugin</artifactId>
   10.23 +                <version>2.3.2</version>
   10.24 +                <configuration>
   10.25 +                    <source>1.7</source>
   10.26 +                    <target>1.7</target>
   10.27 +                </configuration>
   10.28 +            </plugin>
   10.29 +            <plugin>
   10.30 +                <groupId>org.codehaus.mojo</groupId>
   10.31 +                <artifactId>exec-maven-plugin</artifactId>
   10.32 +                <version>1.2.1</version>
   10.33 +                <executions>
   10.34 +                    <execution>
   10.35 +                        <goals>
   10.36 +                            <goal>exec</goal>
   10.37 +                        </goals>
   10.38 +                    </execution>
   10.39 +                </executions>
   10.40 +                <configuration>
   10.41 +                    <executable>java</executable>
   10.42 +                     <arguments>
   10.43 +                        <argument>-classpath</argument>
   10.44 +                        <classpath/>
   10.45 +                        <argument>org.apidesign.bck2brwsr.dew.Dew</argument>
   10.46 +                    </arguments>
   10.47 +                </configuration>
   10.48 +            </plugin>
   10.49 +        </plugins>
   10.50 +    </build>
   10.51 +    <properties>
   10.52 +    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   10.53 +  </properties>
   10.54 +  <dependencies>
   10.55 +    <dependency>
   10.56 +      <groupId>org.glassfish.grizzly</groupId>
   10.57 +      <artifactId>grizzly-http-server</artifactId>
   10.58 +      <version>2.2.19</version>
   10.59 +    </dependency>
   10.60 +    <dependency>
   10.61 +      <groupId>${project.groupId}</groupId>
   10.62 +      <artifactId>vm4brwsr</artifactId>
   10.63 +      <version>${project.version}</version>
   10.64 +    </dependency>
   10.65 +    <dependency>
   10.66 +      <groupId>org.json</groupId>
   10.67 +      <artifactId>json</artifactId>
   10.68 +      <version>20090211</version>
   10.69 +    </dependency>
   10.70 +    <dependency>
   10.71 +      <groupId>org.testng</groupId>
   10.72 +      <artifactId>testng</artifactId>
   10.73 +      <scope>test</scope>
   10.74 +      <exclusions>
   10.75 +        <exclusion>
   10.76 +          <artifactId>junit</artifactId>
   10.77 +          <groupId>junit</groupId>
   10.78 +        </exclusion>
   10.79 +      </exclusions>
   10.80 +    </dependency>
   10.81 +    <dependency>
   10.82 +      <groupId>${project.groupId}</groupId>
   10.83 +      <artifactId>javaquery.api</artifactId>
   10.84 +      <version>${project.version}</version>
   10.85 +    </dependency>
   10.86 +  </dependencies>
   10.87 +</project>

    11.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    11.2 +++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java	Sun Feb 03 07:48:42 2013 +0100
    11.3 @@ -0,0 +1,203 @@
    11.4 +/**
    11.5 + * Back 2 Browser Bytecode Translator
    11.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    11.7 + *
    11.8 + * This program is free software: you can redistribute it and/or modify
    11.9 + * it under the terms of the GNU General Public License as published by
   11.10 + * the Free Software Foundation, version 2 of the License.
   11.11 + *
   11.12 + * This program is distributed in the hope that it will be useful,
   11.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
   11.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   11.15 + * GNU General Public License for more details.
   11.16 + *
   11.17 + * You should have received a copy of the GNU General Public License
   11.18 + * along with this program. Look for COPYING file in the top folder.
   11.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
   11.20 + */
   11.21 +package org.apidesign.bck2brwsr.dew;
   11.22 +
   11.23 +import java.io.ByteArrayInputStream;
   11.24 +import java.io.ByteArrayOutputStream;
   11.25 +import java.io.IOException;
   11.26 +import java.io.InputStream;
   11.27 +import java.io.OutputStream;
   11.28 +import java.net.URI;
   11.29 +import java.net.URISyntaxException;
   11.30 +import java.util.ArrayList;
   11.31 +import java.util.Arrays;
   11.32 +import java.util.HashMap;
   11.33 +import java.util.List;
   11.34 +import java.util.Map;
   11.35 +import java.util.regex.Matcher;
   11.36 +import java.util.regex.Pattern;
   11.37 +import javax.tools.Diagnostic;
   11.38 +import javax.tools.DiagnosticListener;
   11.39 +import javax.tools.FileObject;
   11.40 +import javax.tools.ForwardingJavaFileManager;
   11.41 +import javax.tools.JavaFileManager;
   11.42 +import javax.tools.JavaFileObject;
   11.43 +import javax.tools.JavaFileObject.Kind;
   11.44 +import javax.tools.SimpleJavaFileObject;
   11.45 +import javax.tools.StandardJavaFileManager;
   11.46 +import javax.tools.StandardLocation;
   11.47 +import javax.tools.ToolProvider;
   11.48 +
   11.49 +/**
   11.50 + *
   11.51 + * @author Jaroslav Tulach <jtulach@netbeans.org>
   11.52 + */
   11.53 +final class Compile implements DiagnosticListener<JavaFileObject> {
   11.54 +    private final List<Diagnostic<? extends JavaFileObject>> errors = new ArrayList<>();
   11.55 +    private final Map<String, byte[]> classes;
   11.56 +    private final String pkg;
   11.57 +    private final String cls;
   11.58 +    private final String html;
   11.59 +
   11.60 +    private Compile(String html, String code) throws IOException {
   11.61 +        this.pkg = findPkg(code);
   11.62 +        this.cls = findCls(code);
   11.63 +        this.html = html;
   11.64 +        classes = compile(html, code);
   11.65 +    }
   11.66 +
   11.67 +    /** Performs compilation of given HTML page and associated Java code
   11.68 +     */
   11.69 +    public static Compile create(String html, String code) throws IOException {
   11.70 +        return new Compile(html, code);
   11.71 +    }
   11.72 +    
   11.73 +    /** Checks for given class among compiled resources */
   11.74 +    public byte[] get(String res) {
   11.75 +        return classes.get(res);
   11.76 +    }
   11.77 +    
   11.78 +    /** Obtains errors created during compilation.
   11.79 +     */
   11.80 +    public List<Diagnostic<? extends JavaFileObject>> getErrors() {
   11.81 +        List<Diagnostic<? extends JavaFileObject>> err = new ArrayList<>();
   11.82 +        for (Diagnostic<? extends JavaFileObject> diagnostic : errors) {
   11.83 +            if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
   11.84 +                err.add(diagnostic);
   11.85 +            }
   11.86 +        }
   11.87 +        return err;
   11.88 +    }
   11.89 +    
   11.90 +    private Map<String, byte[]> compile(final String html, final String code) throws IOException {
   11.91 +        StandardJavaFileManager sjfm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(this, null, null);
   11.92 +
   11.93 +        final Map<String, ByteArrayOutputStream> class2BAOS = new HashMap<>();
   11.94 +
   11.95 +        JavaFileObject file = new SimpleJavaFileObject(URI.create("mem://mem"), Kind.SOURCE) {
   11.96 +            @Override
   11.97 +            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
   11.98 +                return code;
   11.99 +            }
  11.100 +        };
  11.101 +        final JavaFileObject htmlFile = new SimpleJavaFileObject(URI.create("mem://mem2"), Kind.OTHER) {
  11.102 +            @Override
  11.103 +            public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
  11.104 +                return html;
  11.105 +            }
  11.106 +
  11.107 +            @Override
  11.108 +            public InputStream openInputStream() throws IOException {
  11.109 +                return new ByteArrayInputStream(html.getBytes());
  11.110 +            }
  11.111 +        };
  11.112 +        
  11.113 +        final URI scratch;
  11.114 +        try {
  11.115 +            scratch = new URI("mem://mem3");
  11.116 +        } catch (URISyntaxException ex) {
  11.117 +            throw new IOException(ex);
  11.118 +        }
  11.119 +        
  11.120 +        JavaFileManager jfm = new ForwardingJavaFileManager<JavaFileManager>(sjfm) {
  11.121 +            @Override
  11.122 +            public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
  11.123 +                if (kind  == Kind.CLASS) {
  11.124 +                    final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
  11.125 +
  11.126 +                    class2BAOS.put(className.replace('.', '/') + ".class", buffer);
  11.127 +                    return new SimpleJavaFileObject(sibling.toUri(), kind) {
  11.128 +                        @Override
  11.129 +                        public OutputStream openOutputStream() throws IOException {
  11.130 +                            return buffer;
  11.131 +                        }
  11.132 +                    };
  11.133 +                }
  11.134 +                
  11.135 +                if (kind == Kind.SOURCE) {
  11.136 +                    return new SimpleJavaFileObject(scratch/*sibling.toUri()*/, kind) {
  11.137 +                        private final ByteArrayOutputStream data = new ByteArrayOutputStream();
  11.138 +                        @Override
  11.139 +                        public OutputStream openOutputStream() throws IOException {
  11.140 +                            return data;
  11.141 +                        }
  11.142 +
  11.143 +                        @Override
  11.144 +                        public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
  11.145 +                            data.close();
  11.146 +                            return new String(data.toByteArray());
  11.147 +                        }
  11.148 +                    };
  11.149 +                }
  11.150 +                
  11.151 +                throw new IllegalStateException();
  11.152 +            }
  11.153 +
  11.154 +            @Override
  11.155 +            public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
  11.156 +                if (location == StandardLocation.SOURCE_PATH) {
  11.157 +                    if (packageName.equals(pkg)) {
  11.158 +                        return htmlFile;
  11.159 +                    }
  11.160 +                }
  11.161 +                
  11.162 +                return null;
  11.163 +            }
  11.164 +            
  11.165 +        };
  11.166 +
  11.167 +        ToolProvider.getSystemJavaCompiler().getTask(null, jfm, this, /*XXX:*/Arrays.asList("-source", "1.7", "-target", "1.7"), null, Arrays.asList(file)).call();
  11.168 +
  11.169 +        Map<String, byte[]> result = new HashMap<>();
  11.170 +
  11.171 +        for (Map.Entry<String, ByteArrayOutputStream> e : class2BAOS.entrySet()) {
  11.172 +            result.put(e.getKey(), e.getValue().toByteArray());
  11.173 +        }
  11.174 +
  11.175 +        return result;
  11.176 +    }
  11.177 +
  11.178 +
  11.179 +    @Override
  11.180 +    public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
  11.181 +        errors.add(diagnostic);
  11.182 +    }
  11.183 +    private static String findPkg(String java) throws IOException {
  11.184 +        Pattern p = Pattern.compile("package\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}*;", Pattern.MULTILINE);
  11.185 +        Matcher m = p.matcher(java);
  11.186 +        if (!m.find()) {
  11.187 +            throw new IOException("Can't find package declaration in the java file");
  11.188 +        }
  11.189 +        String pkg = m.group(1);
  11.190 +        return pkg;
  11.191 +    }
  11.192 +    private static String findCls(String java) throws IOException {
  11.193 +        Pattern p = Pattern.compile("class\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}", Pattern.MULTILINE);
  11.194 +        Matcher m = p.matcher(java);
  11.195 +        if (!m.find()) {
  11.196 +            throw new IOException("Can't find package declaration in the java file");
  11.197 +        }
  11.198 +        String cls = m.group(1);
  11.199 +        return cls;
  11.200 +    }
  11.201 +
  11.202 +    String getHtml() {
  11.203 +        String fqn = "'" + pkg + '.' + cls + "'";
  11.204 +        return html.replace("'${fqn}'", fqn);
  11.205 +    }
  11.206 +}

    12.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    12.2 +++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java	Sun Feb 03 07:48:42 2013 +0100
    12.3 @@ -0,0 +1,136 @@
    12.4 +/**
    12.5 + * Back 2 Browser Bytecode Translator
    12.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    12.7 + *
    12.8 + * This program is free software: you can redistribute it and/or modify
    12.9 + * it under the terms of the GNU General Public License as published by
   12.10 + * the Free Software Foundation, version 2 of the License.
   12.11 + *
   12.12 + * This program is distributed in the hope that it will be useful,
   12.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
   12.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   12.15 + * GNU General Public License for more details.
   12.16 + *
   12.17 + * You should have received a copy of the GNU General Public License
   12.18 + * along with this program. Look for COPYING file in the top folder.
   12.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
   12.20 + */
   12.21 +package org.apidesign.bck2brwsr.dew;
   12.22 +
   12.23 +import java.io.ByteArrayInputStream;
   12.24 +import java.io.IOException;
   12.25 +import java.io.InputStream;
   12.26 +import java.io.InputStreamReader;
   12.27 +import java.io.OutputStream;
   12.28 +import java.util.List;
   12.29 +import java.util.Locale;
   12.30 +import javax.tools.Diagnostic;
   12.31 +import javax.tools.JavaFileObject;
   12.32 +import org.apidesign.vm4brwsr.Bck2Brwsr;
   12.33 +import org.glassfish.grizzly.http.Method;
   12.34 +import org.glassfish.grizzly.http.server.HttpHandler;
   12.35 +import org.glassfish.grizzly.http.server.HttpServer;
   12.36 +import org.glassfish.grizzly.http.server.Request;
   12.37 +import org.glassfish.grizzly.http.server.Response;
   12.38 +import org.glassfish.grizzly.http.util.HttpStatus;
   12.39 +import org.json.JSONArray;
   12.40 +import org.json.JSONObject;
   12.41 +import org.json.JSONTokener;
   12.42 +
   12.43 +/**
   12.44 + *
   12.45 + * @author phrebejk
   12.46 + */
   12.47 +final class Dew extends HttpHandler implements Bck2Brwsr.Resources {
   12.48 +    private Compile data;
   12.49 +
   12.50 +    public static void main(String... args) throws Exception {
   12.51 +        DewLauncher l = new DewLauncher(null);
   12.52 +        l.addClassLoader(DewLauncher.class.getClassLoader());
   12.53 +        final Dew dew = new Dew();
   12.54 +        HttpServer s = l.initServer(dew);
   12.55 +        s.getServerConfiguration().addHttpHandler(dew, "/dew/");
   12.56 +        l.launchServerAndBrwsr(s, "/dew/");
   12.57 +        System.in.read();
   12.58 +    }
   12.59 +    
   12.60 +    @Override
   12.61 +    public void service(Request request, Response response) throws Exception {
   12.62 +        
   12.63 +        if ( request.getMethod() == Method.POST ) {
   12.64 +            InputStream is = request.getInputStream();
   12.65 +            JSONTokener tok = new JSONTokener(new InputStreamReader(is));
   12.66 +            JSONObject obj = new JSONObject(tok);
   12.67 +            String tmpHtml = obj.getString("html");
   12.68 +            String tmpJava = obj.getString("java");
   12.69 +            
   12.70 +            Compile res = Compile.create(tmpHtml, tmpJava);
   12.71 +            List<Diagnostic<? extends JavaFileObject>> err = res.getErrors();
   12.72 +            if (err.isEmpty()) {
   12.73 +                data = res;
   12.74 +                response.getOutputStream().write("[]".getBytes());
   12.75 +                response.setStatus(HttpStatus.OK_200);
   12.76 +            } else {
   12.77 +                
   12.78 +                JSONArray errors = new JSONArray();
   12.79 +                
   12.80 +                for (Diagnostic<? extends JavaFileObject> d : err) {
   12.81 +                    JSONObject e = new JSONObject();
   12.82 +                    e.put("col", d.getColumnNumber());
   12.83 +                    e.put("line", d.getLineNumber());
   12.84 +                    e.put("kind", d.getKind().toString());
   12.85 +                    e.put("msg", d.getMessage(Locale.ENGLISH));
   12.86 +                    errors.put(e);
   12.87 +                }
   12.88 +                
   12.89 +                errors.write(response.getWriter());                
   12.90 +                response.setStatus(HttpStatus.PRECONDITION_FAILED_412);
   12.91 +            }
   12.92 +            
   12.93 +            return;
   12.94 +        }
   12.95 +        
   12.96 +        String r = request.getHttpHandlerPath();
   12.97 +        if (r == null || r.equals("/")) {
   12.98 +            r = "index.html";
   12.99 +        }
  12.100 +        if (r.equals("/result.html")) {
  12.101 +            response.setContentType("text/html");
  12.102 +            response.getOutputBuffer().write(data.getHtml());
  12.103 +            response.setStatus(HttpStatus.OK_200);
  12.104 +            return;
  12.105 +        }
  12.106 +        
  12.107 +        if (r.startsWith("/")) {
  12.108 +            r = r.substring(1);
  12.109 +        }
  12.110 +        
  12.111 +        if (r.endsWith(".html") || r.endsWith(".xhtml")) {
  12.112 +            response.setContentType("text/html");
  12.113 +        }
  12.114 +        OutputStream os = response.getOutputStream();
  12.115 +        try (InputStream is = Dew.class.getResourceAsStream(r) ) {
  12.116 +            copyStream(is, os, request.getRequestURL().toString() );
  12.117 +        } catch (IOException ex) {
  12.118 +            response.setDetailMessage(ex.getLocalizedMessage());
  12.119 +            response.setError();
  12.120 +            response.setStatus(404);
  12.121 +        }
  12.122 +    }
  12.123 +    
  12.124 +    static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {
  12.125 +        for (;;) {
  12.126 +            int ch = is.read();
  12.127 +            if (ch == -1) {
  12.128 +                break;
  12.129 +            }
  12.130 +            os.write(ch);            
  12.131 +        }
  12.132 +    }
  12.133 +
  12.134 +    @Override
  12.135 +    public InputStream get(String r) throws IOException {
  12.136 +        byte[] arr = data == null ? null : data.get(r);
  12.137 +        return arr == null ? null : new ByteArrayInputStream(arr);
  12.138 +    }
  12.139 +}

    13.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    13.2 +++ b/dew/src/main/java/org/apidesign/bck2brwsr/dew/DewLauncher.java	Sun Feb 03 07:48:42 2013 +0100
    13.3 @@ -0,0 +1,203 @@
    13.4 +/**
    13.5 + * Back 2 Browser Bytecode Translator
    13.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    13.7 + *
    13.8 + * This program is free software: you can redistribute it and/or modify
    13.9 + * it under the terms of the GNU General Public License as published by
   13.10 + * the Free Software Foundation, version 2 of the License.
   13.11 + *
   13.12 + * This program is distributed in the hope that it will be useful,
   13.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
   13.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13.15 + * GNU General Public License for more details.
   13.16 + *
   13.17 + * You should have received a copy of the GNU General Public License
   13.18 + * along with this program. Look for COPYING file in the top folder.
   13.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
   13.20 + */
   13.21 +package org.apidesign.bck2brwsr.dew;
   13.22 +
   13.23 +import java.io.IOException;
   13.24 +import java.io.InputStream;
   13.25 +import java.io.Writer;
   13.26 +import java.net.URI;
   13.27 +import java.net.URISyntaxException;
   13.28 +import java.net.URL;
   13.29 +import java.util.Arrays;
   13.30 +import java.util.Enumeration;
   13.31 +import java.util.LinkedHashSet;
   13.32 +import java.util.Set;
   13.33 +import java.util.logging.Level;
   13.34 +import java.util.logging.Logger;
   13.35 +import org.apidesign.vm4brwsr.Bck2Brwsr;
   13.36 +import org.glassfish.grizzly.PortRange;
   13.37 +import org.glassfish.grizzly.http.server.HttpHandler;
   13.38 +import org.glassfish.grizzly.http.server.HttpServer;
   13.39 +import org.glassfish.grizzly.http.server.NetworkListener;
   13.40 +import org.glassfish.grizzly.http.server.Request;
   13.41 +import org.glassfish.grizzly.http.server.Response;
   13.42 +import org.glassfish.grizzly.http.server.ServerConfiguration;
   13.43 +
   13.44 +/**
   13.45 + * Lightweight server to launch dew - the Development Environment for Web.
   13.46 + */
   13.47 +final class DewLauncher {
   13.48 +    private static final Logger LOG = Logger.getLogger(DewLauncher.class.getName());
   13.49 +    private Set<ClassLoader> loaders = new LinkedHashSet<>();
   13.50 +    private Set<Bck2Brwsr.Resources> xRes = new LinkedHashSet<>();
   13.51 +    private final Res resources = new Res();
   13.52 +    private final String cmd;
   13.53 +
   13.54 +    public DewLauncher(String cmd) {
   13.55 +        this.cmd = cmd;
   13.56 +    }
   13.57 +    
   13.58 +    public void addClassLoader(ClassLoader url) {
   13.59 +        this.loaders.add(url);
   13.60 +    }
   13.61 +
   13.62 +    final HttpServer initServer(Bck2Brwsr.Resources... extraResources) throws IOException {
   13.63 +        xRes.addAll(Arrays.asList(extraResources));
   13.64 +        
   13.65 +        HttpServer s = HttpServer.createSimpleServer(".", new PortRange(8080, 65535));
   13.66 +
   13.67 +        final ServerConfiguration conf = s.getServerConfiguration();
   13.68 +        conf.addHttpHandler(new VM(resources), "/bck2brwsr.js");
   13.69 +        conf.addHttpHandler(new VMInit(), "/vm.js");
   13.70 +        conf.addHttpHandler(new Classes(resources), "/classes/");
   13.71 +        return s;
   13.72 +    }
   13.73 +    
   13.74 +    final Object[] launchServerAndBrwsr(HttpServer server, final String page) throws IOException, URISyntaxException, InterruptedException {
   13.75 +        server.start();
   13.76 +        NetworkListener listener = server.getListeners().iterator().next();
   13.77 +        int port = listener.getPort();
   13.78 +        
   13.79 +        URI uri = new URI("http://localhost:" + port + page);
   13.80 +        LOG.log(Level.INFO, "Showing {0}", uri);
   13.81 +        if (cmd == null) {
   13.82 +            try {
   13.83 +                LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
   13.84 +                    System.getProperty("java.vm.name"),
   13.85 +                    System.getProperty("java.vm.vendor"),
   13.86 +                    System.getProperty("java.vm.version"),
   13.87 +                });
   13.88 +                java.awt.Desktop.getDesktop().browse(uri);
   13.89 +                LOG.log(Level.INFO, "Desktop.browse successfully finished");
   13.90 +                return null;
   13.91 +            } catch (UnsupportedOperationException ex) {
   13.92 +                LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
   13.93 +                LOG.log(Level.FINE, null, ex);
   13.94 +            }
   13.95 +        }
   13.96 +        {
   13.97 +            String cmdName = cmd == null ? "xdg-open" : cmd;
   13.98 +            String[] cmdArr = { 
   13.99 +                cmdName, uri.toString()
  13.100 +            };
  13.101 +            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
  13.102 +            final Process process = Runtime.getRuntime().exec(cmdArr);
  13.103 +            return new Object[] { process, null };
  13.104 +        }
  13.105 +    }
  13.106 +
  13.107 +    private class Res implements Bck2Brwsr.Resources {
  13.108 +        @Override
  13.109 +        public InputStream get(String resource) throws IOException {
  13.110 +            for (ClassLoader l : loaders) {
  13.111 +                URL u = null;
  13.112 +                Enumeration<URL> en = l.getResources(resource);
  13.113 +                while (en.hasMoreElements()) {
  13.114 +                    u = en.nextElement();
  13.115 +                }
  13.116 +                if (u != null) {
  13.117 +                    return u.openStream();
  13.118 +                }
  13.119 +            }
  13.120 +            for (Bck2Brwsr.Resources r : xRes) {
  13.121 +                InputStream is = r.get(resource);
  13.122 +                if (is != null) {
  13.123 +                    return is;
  13.124 +                }
  13.125 +            }
  13.126 +            throw new IOException("Can't find " + resource);
  13.127 +        }
  13.128 +    }
  13.129 +
  13.130 +    private static class VM extends HttpHandler {
  13.131 +        private final String bck2brwsr;
  13.132 +
  13.133 +        public VM(Res loader) throws IOException {
  13.134 +            StringBuilder sb = new StringBuilder();
  13.135 +            Bck2Brwsr.generate(sb, loader);
  13.136 +            this.bck2brwsr = sb.toString();
  13.137 +        }
  13.138 +
  13.139 +        @Override
  13.140 +        public void service(Request request, Response response) throws Exception {
  13.141 +            response.setCharacterEncoding("UTF-8");
  13.142 +            response.setContentType("text/javascript");
  13.143 +            response.getWriter().write(bck2brwsr);
  13.144 +        }
  13.145 +    }
  13.146 +    private static class VMInit extends HttpHandler {
  13.147 +        public VMInit() {
  13.148 +        }
  13.149 +
  13.150 +        @Override
  13.151 +        public void service(Request request, Response response) throws Exception {
  13.152 +            response.setCharacterEncoding("UTF-8");
  13.153 +            response.setContentType("text/javascript");
  13.154 +            response.getWriter().append(
  13.155 +                "function ldCls(res) {\n"
  13.156 +                + "  var request = new XMLHttpRequest();\n"
  13.157 +                + "  request.open('GET', '/classes/' + res, false);\n"
  13.158 +                + "  request.send();\n"
  13.159 +                + "  var arr = eval('(' + request.responseText + ')');\n"
  13.160 +                + "  return arr;\n"
  13.161 +                + "}\n"
  13.162 +                + "var vm = new bck2brwsr(ldCls);\n");
  13.163 +        }
  13.164 +    }
  13.165 +
  13.166 +    private static class Classes extends HttpHandler {
  13.167 +        private final Res loader;
  13.168 +
  13.169 +        public Classes(Res loader) {
  13.170 +            this.loader = loader;
  13.171 +        }
  13.172 +
  13.173 +        @Override
  13.174 +        public void service(Request request, Response response) throws Exception {
  13.175 +            String res = request.getHttpHandlerPath();
  13.176 +            if (res.startsWith("/")) {
  13.177 +                res = res.substring(1);
  13.178 +            }
  13.179 +            try (InputStream is = loader.get(res)) {
  13.180 +                response.setContentType("text/javascript");
  13.181 +                Writer w = response.getWriter();
  13.182 +                w.append("[");
  13.183 +                for (int i = 0;; i++) {
  13.184 +                    int b = is.read();
  13.185 +                    if (b == -1) {
  13.186 +                        break;
  13.187 +                    }
  13.188 +                    if (i > 0) {
  13.189 +                        w.append(", ");
  13.190 +                    }
  13.191 +                    if (i % 20 == 0) {
  13.192 +                        w.write("\n");
  13.193 +                    }
  13.194 +                    if (b > 127) {
  13.195 +                        b = b - 256;
  13.196 +                    }
  13.197 +                    w.append(Integer.toString(b));
  13.198 +                }
  13.199 +                w.append("\n]");
  13.200 +            } catch (IOException ex) {
  13.201 +                response.setError();
  13.202 +                response.setDetailMessage(ex.getMessage());
  13.203 +            }
  13.204 +        }
  13.205 +    }
  13.206 +}

    14.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    14.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/app.css	Sun Feb 03 07:48:42 2013 +0100
    14.3 @@ -0,0 +1,54 @@
    14.4 +/* app css stylesheet */
    14.5 +.code-editor, .mono-font, .CodeMirror {
    14.6 +    font-family: "Inconsolata","Monaco","Consolas","Andale Mono","Bitstream Vera Sans Mono","Courier New",Courier,monospace;
    14.7 +    font-size: 13px;
    14.8 +    line-height: 15px;
    14.9 +}
   14.10 +
   14.11 +.CodeMirror {                    
   14.12 +    border: 1px solid #d9edf7;      
   14.13 +    height: 300px;
   14.14 +}
   14.15 +      
   14.16 +.CodeMirror-scroll {
   14.17 +    overflow-y: auto;
   14.18 +    overflow-x: auto;
   14.19 +}
   14.20 +
   14.21 +.error-hover:hover {
   14.22 +    text-decoration: underline;
   14.23 +    cursor: pointer;
   14.24 +} 
   14.25 +
   14.26 +.ic-html5 {
   14.27 +  display: inline-block;  
   14.28 +  height: 20px;
   14.29 +  width: 20px;
   14.30 +  vertical-align: text-bottom;
   14.31 +  background-repeat: no-repeat;  
   14.32 +  background-image: url("../img/html5.png");  
   14.33 +}
   14.34 +
   14.35 +.ic-java {
   14.36 +  display: inline-block;  
   14.37 +  height: 20px;
   14.38 +  width: 20px;
   14.39 +  vertical-align: text-bottom;
   14.40 +  background-repeat: no-repeat;  
   14.41 +  background-image: url("../img/java.png"); 
   14.42 + 
   14.43 +}
   14.44 +
   14.45 +.issues {    
   14.46 +    width: 16px;
   14.47 +}
   14.48 +
   14.49 +.issue { 
   14.50 +    height: 16px;
   14.51 +    width: 16px;
   14.52 +    vertical-align: middle;
   14.53 +    background-repeat: no-repeat;  
   14.54 +    background-image: url("../img/error.png"); 
   14.55 +    /* color: #822; */
   14.56 +}
   14.57 +

    15.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    15.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/css/bootstrap-combined.min.css	Sun Feb 03 07:48:42 2013 +0100
    15.3 @@ -0,0 +1,18 @@
    15.4 +/*!
    15.5 + * Bootstrap v2.2.2
    15.6 + *
    15.7 + * Copyright 2012 Twitter, Inc
    15.8 + * Licensed under the Apache License v2.0
    15.9 + * http://www.apache.org/licenses/LICENSE-2.0
   15.10 + *
   15.11 + * Designed and built with all the love in the world @twitter by @mdo and @fat.
   15.12 + */article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}a:hover,a:active{outline:0}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{width:auto\9;height:auto;max-width:100%;vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}#map_canvas img,.google-maps img{max-width:none}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button,input{*overflow:visible;line-height:normal}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,html input[type="button"],input[type="reset"],input[type="submit"]{cursor:pointer;-webkit-appearance:button}label,select,button,input[type="button"],input[type="reset"],input[type="submit"],input[type="radio"],input[type="checkbox"]{cursor:pointer}input[type="search"]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}textarea{overflow:auto;vertical-align:top}@media print{*{color:#000!important;text-shadow:none!important;background:transparent!important;box-shadow:none!important}a,a:visited{text-decoration:underline}a[href]:after{content:" (" attr(href) ")"}abbr[title]:after{content:" (" attr(title) ")"}.ir a:after,a[href^="javascript:"]:after,a[href^="#"]:after{content:""}pre,blockquote{border:1px solid #999;page-break-inside:avoid}thead{display:table-header-group}tr,img{page-break-inside:avoid}img{max-width:100%!important}@page{margin:.5cm}p,h2,h3{orphans:3;widows:3}h2,h3{page-break-after:avoid}}.clearfix{*zoom:1}.clearfix:before,.clearfix:after{display:table;line-height:0;content:""}.clearfix:after{clear:both}.hide-text{font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}.input-block-level{display:block;width:100%;min-height:30px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}body{margin:0;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px;line-height:20px;color:#333;background-color:#fff}a{color:#08c;text-decoration:none}a:hover{color:#005580;text-decoration:underline}.img-rounded{-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px}.img-polaroid{padding:4px;background-color:#fff;border:1px solid #ccc;border:1px solid rgba(0,0,0,0.2);-webkit-box-shadow:0 1px 3px 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.container{width:940px}.span12{width:940px}.span11{width:860px}.span10{width:780px}.span9{width:700px}.span8{width:620px}.span7{width:540px}.span6{width:460px}.span5{width:380px}.span4{width:300px}.span3{width:220px}.span2{width:140px}.span1{width:60px}.offset12{margin-left:980px}.offset11{margin-left:900px}.offset10{margin-left:820px}.offset9{margin-left:740px}.offset8{margin-left:660px}.offset7{margin-left:580px}.offset6{margin-left:500px}.offset5{margin-left:420px}.offset4{margin-left:340px}.offset3{margin-left:260px}.offset2{margin-left:180px}.offset1{margin-left:100px}.row-fluid{width:100%;*zoom:1}.row-fluid:before,.row-fluid:after{display:table;line-height:0;content:""}.row-fluid:after{clear:both}.row-fluid [class*="span"]{display:block;float:left;width:100%;min-height:30px;margin-left:2.127659574468085%;*margin-left:2.074468085106383%;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.row-fluid [class*="span"]:first-child{margin-left:0}.row-fluid 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    17.1 Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings-white.png has changed

    18.1 Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/glyphicons-halflings.png has changed

    19.1 Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/html5.png has changed

    20.1 Binary file dew/src/main/resources/org/apidesign/bck2brwsr/dew/img/java.png has changed

    21.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    21.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/index.html	Sun Feb 03 07:48:42 2013 +0100
    21.3 @@ -0,0 +1,98 @@
    21.4 +<!--
    21.5 +To change this template, choose Tools | Templates
    21.6 +and open the template in the editor.
    21.7 +-->
    21.8 +<!DOCTYPE html>
    21.9 +<html lang="en" ng-app="bck2brwsr" ng-controller="DevCtrl">
   21.10 +    <head>
   21.11 +        <title>Back2Browser - DEW</title>
   21.12 +        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   21.13 +        <meta name="viewport" content="width=device-width, initial-scale=1.0">
   21.14 +        <link rel="stylesheet" href="css/bootstrap-combined.min.css"/>  
   21.15 +        <link rel="stylesheet" href="js/codemirror/codemirror.css">
   21.16 +        <link rel="stylesheet" href="js/codemirror/theme/elegant.css"/>
   21.17 +        <link rel="stylesheet" href="css/app.css"/>
   21.18 +    </head>
   21.19 +    <body>
   21.20 +                
   21.21 +        <div class="navbar navbar-fixed-top" style="width: 100%"> 
   21.22 +        <div class="navbar-inner" style="padding-left: 12px; padding-right: 12px;">
   21.23 +            <!-- a class="brand" style="font-size: 100%"><span class="text-info"><b>Java and HTML5</b></span><small>- Together at Last!</small></a-->
   21.24 +            <form class="navbar-form pull-right">
   21.25 +                <!-- select class="span2"></select -->
   21.26 +                <button ng-click="post()" class="btn btn-warning">Rebuild</button>
   21.27 +              </form>
   21.28 +            <!-- ul class="nav">                          
   21.29 +                <li><select class="btn-small" type="text"></select></li>
   21.30 +            </ul -->
   21.31 +            <!-- form class="form form-horizontal pull-right">
   21.32 +                <button class="btn btn-warning btn-small pull-right top" ng-click="post()">Rebuild</button>
   21.33 +            </form -->
   21.34 +            <!-- ul class="nav pull-right">
   21.35 +                
   21.36 +            </ul-->     
   21.37 +        </div>  
   21.38 +        </div>
   21.39 +
   21.40 +        <div class="container-fluid">        
   21.41 +        
   21.42 +        <div style="height: 4em;">&nbsp;</div>    
   21.43 +            
   21.44 +        <div class="row-fluid">
   21.45 +            <div class="span6" style="margin-bottom: 10px;"> 
   21.46 +                <table class="table table-condensed" style="margin-bottom: 2px">
   21.47 +                <tr><td><i class="ic-html5"></i> HTML5</td></tr>               
   21.48 +                </table>
   21.49 +                <div>
   21.50 +                    <textarea ui-codemirror='{ lineNumbers : true, mode : "xml", theme : "elegant", matchBrackets : true, lineWrapping : true }' ng-model="html"></textarea>
   21.51 +                    <div class="alert alert-error" ng-show="doc.modelError">
   21.52 +                        <small>{{doc.modelError.toString()}}</small>
   21.53 +                    </div>
   21.54 +                </div>    
   21.55 +            </div>
   21.56 +            
   21.57 +            <div class="span6">  
   21.58 +                <table class="table table-condensed" style="margin-bottom: 2px">
   21.59 +                <tr><td><i class="ic-java"></i> Java</td></tr>               
   21.60 +                </table>                
   21.61 +                <div>
   21.62 +                    <textarea id="editorJava" ui-codemirror='{ lineNumbers : true, mode : "text/x-java", theme : "elegant", matchBrackets : true, lineWrapping : true, gutters: ["CodeMirror-linenumbers", "issues"] }' ng-model="java"></textarea>
   21.63 +                    <div class="alert alert-error" ng-show="doc.modelError">
   21.64 +                        <small>{{doc.modelError.toString()}}</small>
   21.65 +                    </div>
   21.66 +                </div>
   21.67 +            </div>
   21.68 +        
   21.69 +        </div>    
   21.70 +            
   21.71 +        <table class="table table-condensed">
   21.72 +            <tr ng-click="gotoError(e.line, e.col)" ng-repeat="e in errors" ng-class="errorClass(e.kind)">
   21.73 +                <td style="text-align: right">{{e.line}}</td> 
   21.74 +                <td>:</td> 
   21.75 +                <td style="text-align: left">{{e.col}}</td> 
   21.76 +                <td width="100%" class="text-error error-hover">{{e.msg}} <i class="icon-play"/></td>
   21.77 +            </tr>            
   21.78 +        </table>    
   21.79 +            
   21.80 +        
   21.81 +        <div>&nbsp;</div>    
   21.82 +            
   21.83 +        <ul class="nav nav-tabs">
   21.84 +            <li ng-class="'active'"><a href="#">Result</a></li>
   21.85 +        </ul>    
   21.86 +        
   21.87 +        
   21.88 +        <!-- button class="btn" ng-click="reload()">Reload</button -->
   21.89 +        <iframe id="result" frameborder="0" scrolling="yes" width="100%" style="height: 1000px; overflow: auto; border: 1px solid #DFDFDF;" src="result.html">
   21.90 +            <p>Your browser does not support iframes.</p>
   21.91 +        </iframe>
   21.92 +            
   21.93 +        </div>
   21.94 +        
   21.95 +        <script src="js/angular/angular.min.js"></script>
   21.96 +        <script src="js/codemirror/codemirror.js"></script>
   21.97 +        <script src="js/codemirror/mode/xml.js"></script>
   21.98 +        <script src="js/codemirror/mode/clike.js"></script>
   21.99 +        <script src="js/app.js"></script>
  21.100 +    </body>
  21.101 +</html>

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    22.3 @@ -0,0 +1,159 @@
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  22.141 +d.$observe("required",function(){g(e.$viewValue)})}}}},sd=function(){return{require:"ngModel",link:function(a,c,d,e){var g=(a=/\/(.*)\//.exec(d.ngList))&&RegExp(a[1])||d.ngList||",";e.$parsers.push(function(a){var c=[];a&&m(a.split(g),function(a){a&&c.push(R(a))});return c});e.$formatters.push(function(a){return J(a)?a.join(", "):p})}}},td=/^(true|false|\d+)$/,ud=function(){return{priority:100,compile:function(a,c){return td.test(c.ngValue)?function(a,c,g){g.$set("value",a.$eval(g.ngValue))}:function(a,
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  22.143 +function(a){c.html(a||"")})}}],yd=jb("",!0),zd=jb("Odd",0),Ad=jb("Even",1),Bd=S({compile:function(a,c){c.$set("ngCloak",p);a.removeClass("ng-cloak")}}),Cd=[function(){return{scope:!0,controller:"@"}}],Dd=["$sniffer",function(a){return{priority:1E3,compile:function(){a.csp=!0}}}],dc={};m("click dblclick mousedown mouseup mouseover mouseout mousemove mouseenter mouseleave".split(" "),function(a){var c=fa("ng-"+a);dc[c]=["$parse",function(d){return function(e,g,i){var f=d(i[c]);g.bind(E(a),function(a){e.$apply(function(){f(e,
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  22.152 +"?ngModel"],controller:["$element","$scope","$attrs",function(a,c,d){var h=this,k={},j=e,l;h.databound=d.ngModel;h.init=function(a,c,d){j=a;l=d};h.addOption=function(c){k[c]=!0;j.$viewValue==c&&(a.val(c),l.parent()&&l.remove())};h.removeOption=function(a){this.hasOption(a)&&(delete k[a],j.$viewValue==a&&this.renderUnknownOption(a))};h.renderUnknownOption=function(c){c="? "+ga(c)+" ?";l.val(c);a.prepend(l);a.val(c);l.prop("selected",!0)};h.hasOption=function(a){return k.hasOwnProperty(a)};c.$on("$destroy",
  22.153 +function(){h.renderUnknownOption=D})}],link:function(e,i,f,h){function k(a,c,d,e){d.$render=function(){var a=d.$viewValue;e.hasOption(a)?(A.parent()&&A.remove(),c.val(a),a===""&&s.prop("selected",!0)):t(a)&&s?c.val(""):e.renderUnknownOption(a)};c.bind("change",function(){a.$apply(function(){A.parent()&&A.remove();d.$setViewValue(c.val())})})}function j(a,c,d){var e;d.$render=function(){var a=new Fa(d.$viewValue);m(c.children(),function(c){c.selected=v(a.get(c.value))})};a.$watch(function(){ha(e,d.$viewValue)||
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  22.155 +w))!=p:(d=s===o(e,w),u=u||d);z=j(e,w);z=z===p?"":z;i.push({id:l?y[x]:x,label:z,selected:d})}!n&&!u&&a[""].unshift({id:"?",label:"",selected:!0});w=0;for(y=c.length;w<y;w++){d=c[w];i=a[d];if(v.length<=w)s={element:C.clone().attr("label",d),label:i.label},t=[s],v.push(t),f.append(s.element);else if(t=v[w],s=t[0],s.label!=d)s.element.attr("label",s.label=d);z=null;x=0;for(A=i.length;x<A;x++)if(d=i[x],u=t[x+1]){z=u.element;if(u.label!==d.label)z.text(u.label=d.label);if(u.id!==d.id)z.val(u.id=d.id);if(u.element.selected!==
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  22.157 +i[6],l=i[5],m=c(i[3]||""),o=c(i[2]?i[1]:k),r=c(i[7]),v=[[{element:f,label:""}]];q&&(a(q)(e),q.removeClass("ng-scope"),q.remove());f.html("");f.bind("change",function(){e.$apply(function(){var a,c=r(e)||[],d={},h,i,j,m,q,s;if(n){i=[];m=0;for(s=v.length;m<s;m++){a=v[m];j=1;for(q=a.length;j<q;j++)if((h=a[j].element)[0].selected)h=h.val(),l&&(d[l]=h),d[k]=c[h],i.push(o(e,d))}}else h=f.val(),h=="?"?i=p:h==""?i=null:(d[k]=c[h],l&&(d[l]=h),i=o(e,d));g.$setViewValue(i)})});g.$render=h;e.$watch(h)}if(h[1]){for(var o=
  22.158 +h[0],r=h[1],n=f.multiple,w=f.ngOptions,q=!1,s,D=u(ca.createElement("option")),C=u(ca.createElement("optgroup")),A=D.clone(),h=0,x=i.children(),E=x.length;h<E;h++)if(x[h].value==""){s=q=x.eq(h);break}o.init(r,q,A);if(n&&(f.required||f.ngRequired)){var y=function(a){r.$setValidity("required",!f.required||a&&a.length);return a};r.$parsers.push(y);r.$formatters.unshift(y);f.$observe("required",function(){y(r.$viewValue)})}w?l(e,i,r):n?j(e,i,r):k(e,i,r,o)}}}}],Vd=["$interpolate",function(a){var c={addOption:D,
  22.159 +removeOption:D};return{restrict:"E",priority:100,compile:function(d,e){if(t(e.value)){var g=a(d.text(),!0);g||e.$set("value",d.text())}return function(a,d,e){var k=d.parent(),j=k.data("$selectController")||k.parent().data("$selectController");j&&j.databound?d.prop("selected",!1):j=c;g?a.$watch(g,function(a,c){e.$set("value",a);a!==c&&j.removeOption(c);j.addOption(a)}):j.addOption(e.value);d.bind("$destroy",function(){j.removeOption(e.value)})}}}}],Wd=I({restrict:"E",terminal:!0});(ja=U.jQuery)?(u=
  22.160 +ja,x(ja.fn,{scope:ua.scope,controller:ua.controller,injector:ua.injector,inheritedData:ua.inheritedData}),ab("remove",!0),ab("empty"),ab("html")):u=Q;Yb.element=u;(function(a){x(a,{bootstrap:pb,copy:V,extend:x,equals:ha,element:u,forEach:m,injector:qb,noop:D,bind:Va,toJson:da,fromJson:nb,identity:ma,isUndefined:t,isDefined:v,isString:F,isFunction:N,isObject:L,isNumber:wa,isElement:fc,isArray:J,version:id,isDate:na,lowercase:E,uppercase:la,callbacks:{counter:0}});ta=lc(U);try{ta("ngLocale")}catch(c){ta("ngLocale",
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    23.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    23.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/app.js	Sun Feb 03 07:48:42 2013 +0100
    23.3 @@ -0,0 +1,224 @@
    23.4 +// 'use strict';
    23.5 +
    23.6 +// Declare app level module which depends on filters, and services
    23.7 +angular.module('bck2brwsr', []).
    23.8 +  directive('uiCodemirror', ['$timeout', function($timeout) {
    23.9 +        'use strict';
   23.10 +
   23.11 +        var events = ["cursorActivity", "viewportChange", "gutterClick", "focus", "blur", "scroll", "update"];
   23.12 +        return {
   23.13 +            restrict: 'A',
   23.14 +            require: 'ngModel',
   23.15 +            link: function(scope, elm, attrs, ngModel) {
   23.16 +                var options, opts, onChange, deferCodeMirror, codeMirror, timeoutId, val;
   23.17 +
   23.18 +                if (elm[0].type !== 'textarea') {
   23.19 +                    throw new Error('uiCodemirror3 can only be applied to a textarea element');
   23.20 +                }
   23.21 +
   23.22 +                options = /* uiConfig.codemirror  || */ {};
   23.23 +                opts = angular.extend({}, options, scope.$eval(attrs.uiCodemirror));
   23.24 +
   23.25 +                onChange = function(instance, changeObj) {                    
   23.26 +                    val = instance.getValue();
   23.27 +                    $timeout.cancel(timeoutId);
   23.28 +                    timeoutId = $timeout(function() {
   23.29 +                        ngModel.$setViewValue(val);                        
   23.30 +                      }, 500);                    
   23.31 +                };
   23.32 +                
   23.33 +                deferCodeMirror = function() {
   23.34 +                    codeMirror = CodeMirror.fromTextArea(elm[0], opts);
   23.35 +                    elm[0].codeMirror = codeMirror;
   23.36 +                    // codeMirror.on("change", onChange(opts.onChange));
   23.37 +                    codeMirror.on("change", onChange);
   23.38 +
   23.39 +                    for (var i = 0, n = events.length, aEvent; i < n; ++i) {
   23.40 +                        aEvent = opts["on" + events[i].charAt(0).toUpperCase() + events[i].slice(1)];
   23.41 +                        if (aEvent === void 0)
   23.42 +                            continue;
   23.43 +                        if (typeof aEvent !== "function")
   23.44 +                            continue;
   23.45 +                                                
   23.46 +                        var bound = _.bind( aEvent, scope );
   23.47 +                        
   23.48 +                        codeMirror.on(events[i], bound);
   23.49 +                    }
   23.50 +
   23.51 +                    // CodeMirror expects a string, so make sure it gets one.
   23.52 +                    // This does not change the model.
   23.53 +                    ngModel.$formatters.push(function(value) {
   23.54 +                        if (angular.isUndefined(value) || value === null) {
   23.55 +                            return '';
   23.56 +                        }
   23.57 +                        else if (angular.isObject(value) || angular.isArray(value)) {
   23.58 +                            throw new Error('ui-codemirror cannot use an object or an array as a model');
   23.59 +                        }
   23.60 +                        return value;
   23.61 +                    });
   23.62 +
   23.63 +                    // Override the ngModelController $render method, which is what gets called when the model is updated.
   23.64 +                    // This takes care of the synchronizing the codeMirror element with the underlying model, in the case that it is changed by something else.
   23.65 +                    ngModel.$render = function() {
   23.66 +                        codeMirror.setValue(ngModel.$viewValue);
   23.67 +                    };
   23.68 +
   23.69 +                };
   23.70 +
   23.71 +                $timeout(deferCodeMirror);
   23.72 +
   23.73 +            }
   23.74 +        };
   23.75 +}]);
   23.76 +
   23.77 +function DevCtrl( $scope, $http ) {
   23.78 +    var templateHtml = 
   23.79 +"<html><body>\n" +
   23.80 +"  <input data-bind=\"value: value, valueUpdate: 'afterkeydown'\" \n" +
   23.81 +"     value=\"0\" type=\"number\">\n" +
   23.82 +"  </input>\n" +
   23.83 +"  * <span data-bind=\"text: value\">0</span> \n" +
   23.84 +"  = <span data-bind=\"text: powerValue\">0</span>\n" +
   23.85 +"  <br/>\n" +
   23.86 +"  <button id='dupl'>Duplicate!</button>\n" +
   23.87 +"  <button id=\"clear\">Clear!</button>" +
   23.88 +" <hr/>\n" +
   23.89 +"\n" +
   23.90 +"\n" +
   23.91 +"\n" +
   23.92 +"\n" +
   23.93 +"\n" +
   23.94 +"\n" +
   23.95 +"\n" +
   23.96 +"\n" +
   23.97 +"\n" +
   23.98 +"\n" +
   23.99 +"\n" +
  23.100 +"\n" +
  23.101 +"\n" +
  23.102 +"\n" +
  23.103 +"\n" +
  23.104 +"\n" +
  23.105 +"\n" +
  23.106 +"\n" +
  23.107 +"\n" +
  23.108 +"\n" +
  23.109 +" <script src=\"/bck2brwsr.js\"></script>\n" +
  23.110 +" <script type=\"text/javascript\">\n" +
  23.111 +"   function ldCls(res) {\n" +
  23.112 +"     var request = new XMLHttpRequest();\n" +
  23.113 +"     request.open('GET', '/classes/' + res, false);\n" +
  23.114 +"     request.send();\n" +
  23.115 +"     var arr = eval('(' + request.responseText + ')');\n" +
  23.116 +"     return arr;\n" +
  23.117 +"   }\n" +
  23.118 +"   var vm = new bck2brwsr(ldCls);\n" +
  23.119 +"   vm.loadClass('${fqn}');\n" +
  23.120 +" </script>\n" +
  23.121 +"</body></html>";
  23.122 +    var templateJava = 
  23.123 +"package bck2brwsr.demo;\n" +
  23.124 +"import org.apidesign.bck2brwsr.htmlpage.api.*;\n" +
  23.125 +"import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;\n" +
  23.126 +"\n" +
  23.127 +"@Page(xhtml=\"index.html\", className=\"Index\", properties={\n" +
  23.128 +"  @Property(name=\"value\", type=int.class)\n" +
  23.129 +"})\n" +
  23.130 +"class YourFirstHTML5PageInRealLanguage {\n" +
  23.131 +"  static { new Index().applyBindings(); }\n" +
  23.132 +"  @On(event=CLICK, id=\"dupl\") static void duplicateValue(Index m) {\n" +
  23.133 +"    m.setValue(m.getValue() * 2);\n" +
  23.134 +"  }\n" +
  23.135 +"  @On(event=CLICK, id=\"clear\") static void zeroTheValue(Index m) {\n" +
  23.136 +"     m.setValue(0);;\n" +
  23.137 +"  }\n" +
  23.138 +"  @ComputedProperty static int powerValue(int value) {\n" +
  23.139 +"    return value * value;\n" +
  23.140 +"  }\n" +
  23.141 +"}";
  23.142 +
  23.143 +    
  23.144 +    $scope.makeMarker = function( editor, line ) {
  23.145 +        var marker = document.createElement("div");
  23.146 +        marker.innerHTML = " ";
  23.147 +        marker.className = "issue";
  23.148 +        
  23.149 +        var info = editor.lineInfo(line);
  23.150 +        editor.setGutterMarker(line, "issues", info.markers ? null : marker);
  23.151 +        
  23.152 +        return marker;
  23.153 +    };
  23.154 +    
  23.155 +    
  23.156 +    // Returns a function, that, as long as it continues to be invoked, will not
  23.157 +    // be triggered. The function will be called after it stops being called for
  23.158 +    // N milliseconds. If `immediate` is passed, trigger the function on the
  23.159 +    // leading edge, instead of the trailing.
  23.160 +    $scope.debounce = function(func, wait, immediate) {
  23.161 +      var timeout, result;
  23.162 +      return function() {
  23.163 +        var context = this, args = arguments;
  23.164 +        var later = function() {
  23.165 +          timeout = null;
  23.166 +          if (!immediate) result = func.apply(context, args);
  23.167 +        };
  23.168 +        var callNow = immediate && !timeout;
  23.169 +        clearTimeout(timeout);
  23.170 +        timeout = setTimeout(later, wait);
  23.171 +        if (callNow) result = func.apply(context, args);
  23.172 +        return result;
  23.173 +      };
  23.174 +    };
  23.175 +    
  23.176 +    $scope.reload = function() {
  23.177 +        $scope.errors = null;
  23.178 +        var frame = document.getElementById("result");        
  23.179 +        frame.src = "result.html";
  23.180 +        frame.contentDocument.location.reload(true);
  23.181 +        frame.contentWindow.location.reload();
  23.182 +        document.getElementById("editorJava").codeMirror.clearGutter("issues");   
  23.183 +    };
  23.184 +    
  23.185 +    $scope.fail = function( data ) {
  23.186 +        $scope.errors = eval( data );
  23.187 +        var editor = document.getElementById("editorJava").codeMirror;   
  23.188 +        editor.clearGutter( "issues" );
  23.189 +        
  23.190 +        for( var i = 0; i < $scope.errors.length; i ++ ) {
  23.191 +            $scope.makeMarker( editor, $scope.errors[i].line - 1 );
  23.192 +        }
  23.193 +        
  23.194 +    };
  23.195 +    
  23.196 +    $scope.post = function() {
  23.197 +        return $http({url: ".",
  23.198 +            method: "POST",
  23.199 +            //headers: this.headers,
  23.200 +            data: { html : $scope.html, java : $scope.java} 
  23.201 +        }).success( $scope.reload ).error( $scope.fail );
  23.202 +    };
  23.203 +    
  23.204 +    $scope.errorClass = function( kind ) {
  23.205 +        switch( kind ) {
  23.206 +            case "ERROR" :
  23.207 +                return "error";
  23.208 +            default :         
  23.209 +                return "warning";   
  23.210 +        }
  23.211 +    };
  23.212 +    
  23.213 +    $scope.gotoError = function( line, col ) {
  23.214 +        var editor = document.getElementById("editorJava").codeMirror;   
  23.215 +        editor.setCursor({ line: line - 1, ch : col - 1 });
  23.216 +        editor.focus();
  23.217 +    };
  23.218 +    
  23.219 +    $scope.tab = "html";
  23.220 +    $scope.html= templateHtml;  
  23.221 +    $scope.java = templateJava;  
  23.222 +    
  23.223 +    $scope.$watch( "html", $scope.debounce( $scope.post, 2000 ) );
  23.224 +    $scope.$watch( "java", $scope.debounce( $scope.post, 2000 ) );
  23.225 +    $scope.post();
  23.226 +    
  23.227 +}

    24.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    24.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.css	Sun Feb 03 07:48:42 2013 +0100
    24.3 @@ -0,0 +1,239 @@
    24.4 +/* BASICS */
    24.5 +
    24.6 +.CodeMirror {
    24.7 +  /* Set height, width, borders, and global font properties here */
    24.8 +  font-family: monospace;
    24.9 +  height: 300px;
   24.10 +}
   24.11 +.CodeMirror-scroll {
   24.12 +  /* Set scrolling behaviour here */
   24.13 +  overflow: auto;
   24.14 +}
   24.15 +
   24.16 +/* PADDING */
   24.17 +
   24.18 +.CodeMirror-lines {
   24.19 +  padding: 4px 0; /* Vertical padding around content */
   24.20 +}
   24.21 +.CodeMirror pre {
   24.22 +  padding: 0 4px; /* Horizontal padding of content */
   24.23 +}
   24.24 +
   24.25 +.CodeMirror-scrollbar-filler {
   24.26 +  background-color: white; /* The little square between H and V scrollbars */
   24.27 +}
   24.28 +
   24.29 +/* GUTTER */
   24.30 +
   24.31 +.CodeMirror-gutters {
   24.32 +  border-right: 1px solid #ddd;
   24.33 +  background-color: #f7f7f7;
   24.34 +}
   24.35 +.CodeMirror-linenumbers {}
   24.36 +.CodeMirror-linenumber {
   24.37 +  padding: 0 3px 0 5px;
   24.38 +  min-width: 20px;
   24.39 +  text-align: right;
   24.40 +  color: #999;
   24.41 +}
   24.42 +
   24.43 +/* CURSOR */
   24.44 +
   24.45 +.CodeMirror pre.CodeMirror-cursor {
   24.46 +  border-left: 1px solid black;
   24.47 +}
   24.48 +/* Shown when moving in bi-directional text */
   24.49 +.CodeMirror pre.CodeMirror-secondarycursor {
   24.50 +  border-left: 1px solid silver;
   24.51 +}
   24.52 +.cm-keymap-fat-cursor pre.CodeMirror-cursor {
   24.53 +  width: auto;
   24.54 +  border: 0;
   24.55 +  background: transparent;
   24.56 +  background: rgba(0, 200, 0, .4);
   24.57 +  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800);
   24.58 +}
   24.59 +/* Kludge to turn off filter in ie9+, which also accepts rgba */
   24.60 +.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) {
   24.61 +  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
   24.62 +}
   24.63 +/* Can style cursor different in overwrite (non-insert) mode */
   24.64 +.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {}
   24.65 +
   24.66 +/* DEFAULT THEME */
   24.67 +
   24.68 +.cm-s-default .cm-keyword {color: #708;}
   24.69 +.cm-s-default .cm-atom {color: #219;}
   24.70 +.cm-s-default .cm-number {color: #164;}
   24.71 +.cm-s-default .cm-def {color: #00f;}
   24.72 +.cm-s-default .cm-variable {color: black;}
   24.73 +.cm-s-default .cm-variable-2 {color: #05a;}
   24.74 +.cm-s-default .cm-variable-3 {color: #085;}
   24.75 +.cm-s-default .cm-property {color: black;}
   24.76 +.cm-s-default .cm-operator {color: black;}
   24.77 +.cm-s-default .cm-comment {color: #a50;}
   24.78 +.cm-s-default .cm-string {color: #a11;}
   24.79 +.cm-s-default .cm-string-2 {color: #f50;}
   24.80 +.cm-s-default .cm-meta {color: #555;}
   24.81 +.cm-s-default .cm-error {color: #f00;}
   24.82 +.cm-s-default .cm-qualifier {color: #555;}
   24.83 +.cm-s-default .cm-builtin {color: #30a;}
   24.84 +.cm-s-default .cm-bracket {color: #997;}
   24.85 +.cm-s-default .cm-tag {color: #170;}
   24.86 +.cm-s-default .cm-attribute {color: #00c;}
   24.87 +.cm-s-default .cm-header {color: blue;}
   24.88 +.cm-s-default .cm-quote {color: #090;}
   24.89 +.cm-s-default .cm-hr {color: #999;}
   24.90 +.cm-s-default .cm-link {color: #00c;}
   24.91 +
   24.92 +.cm-negative {color: #d44;}
   24.93 +.cm-positive {color: #292;}
   24.94 +.cm-header, .cm-strong {font-weight: bold;}
   24.95 +.cm-em {font-style: italic;}
   24.96 +.cm-emstrong {font-style: italic; font-weight: bold;}
   24.97 +.cm-link {text-decoration: underline;}
   24.98 +
   24.99 +.cm-invalidchar {color: #f00;}
  24.100 +
  24.101 +div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
  24.102 +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
  24.103 +
  24.104 +/* STOP */
  24.105 +
  24.106 +/* The rest of this file contains styles related to the mechanics of
  24.107 +   the editor. You probably shouldn't touch them. */
  24.108 +
  24.109 +.CodeMirror {
  24.110 +  line-height: 1;
  24.111 +  position: relative;
  24.112 +  overflow: hidden;
  24.113 +}
  24.114 +
  24.115 +.CodeMirror-scroll {
  24.116 +  /* 30px is the magic margin used to hide the element's real scrollbars */
  24.117 +  /* See overflow: hidden in .CodeMirror, and the paddings in .CodeMirror-sizer */
  24.118 +  margin-bottom: -30px; margin-right: -30px;
  24.119 +  padding-bottom: 30px; padding-right: 30px;
  24.120 +  height: 100%;
  24.121 +  outline: none; /* Prevent dragging from highlighting the element */
  24.122 +  position: relative;
  24.123 +}
  24.124 +.CodeMirror-sizer {
  24.125 +  position: relative;
  24.126 +}
  24.127 +
  24.128 +/* The fake, visible scrollbars. Used to force redraw during scrolling
  24.129 +   before actuall scrolling happens, thus preventing shaking and
  24.130 +   flickering artifacts. */
  24.131 +.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler {
  24.132 +  position: absolute;
  24.133 +  z-index: 6;
  24.134 +  display: none;
  24.135 +}
  24.136 +.CodeMirror-vscrollbar {
  24.137 +  right: 0; top: 0;
  24.138 +  overflow-x: hidden;
  24.139 +  overflow-y: scroll;
  24.140 +}
  24.141 +.CodeMirror-hscrollbar {
  24.142 +  bottom: 0; left: 0;
  24.143 +  overflow-y: hidden;
  24.144 +  overflow-x: scroll;
  24.145 +}
  24.146 +.CodeMirror-scrollbar-filler {
  24.147 +  right: 0; bottom: 0;
  24.148 +  z-index: 6;
  24.149 +}
  24.150 +
  24.151 +.CodeMirror-gutters {
  24.152 +  position: absolute; left: 0; top: 0;
  24.153 +  height: 100%;
  24.154 +  z-index: 3;
  24.155 +}
  24.156 +.CodeMirror-gutter {
  24.157 +  height: 100%;
  24.158 +  display: inline-block;
  24.159 +  /* Hack to make IE7 behave */
  24.160 +  *zoom:1;
  24.161 +  *display:inline;
  24.162 +}
  24.163 +.CodeMirror-gutter-elt {
  24.164 +  position: absolute;
  24.165 +  cursor: default;
  24.166 +  z-index: 4;
  24.167 +}
  24.168 +
  24.169 +.CodeMirror-lines {
  24.170 +  cursor: text;
  24.171 +}
  24.172 +.CodeMirror pre {
  24.173 +  /* Reset some styles that the rest of the page might have set */
  24.174 +  -moz-border-radius: 0; -webkit-border-radius: 0; -o-border-radius: 0; border-radius: 0;
  24.175 +  border-width: 0;
  24.176 +  background: transparent;
  24.177 +  font-family: inherit;
  24.178 +  font-size: inherit;
  24.179 +  margin: 0;
  24.180 +  white-space: pre;
  24.181 +  word-wrap: normal;
  24.182 +  line-height: inherit;
  24.183 +  color: inherit;
  24.184 +  z-index: 2;
  24.185 +  position: relative;
  24.186 +  overflow: visible;
  24.187 +}
  24.188 +.CodeMirror-wrap pre {
  24.189 +  word-wrap: break-word;
  24.190 +  white-space: pre-wrap;
  24.191 +  word-break: normal;
  24.192 +}
  24.193 +.CodeMirror-linebackground {
  24.194 +  position: absolute;
  24.195 +  left: 0; right: 0; top: 0; bottom: 0;
  24.196 +  z-index: 0;
  24.197 +}
  24.198 +
  24.199 +.CodeMirror-linewidget {
  24.200 +  position: relative;
  24.201 +  z-index: 2;
  24.202 +}
  24.203 +
  24.204 +.CodeMirror-wrap .CodeMirror-scroll {
  24.205 +  overflow-x: hidden;
  24.206 +}
  24.207 +
  24.208 +.CodeMirror-measure {
  24.209 +  position: absolute;
  24.210 +  width: 100%; height: 0px;
  24.211 +  overflow: hidden;
  24.212 +  visibility: hidden;
  24.213 +}
  24.214 +.CodeMirror-measure pre { position: static; }
  24.215 +
  24.216 +.CodeMirror pre.CodeMirror-cursor {
  24.217 +  position: absolute;
  24.218 +  visibility: hidden;
  24.219 +  border-right: none;
  24.220 +  width: 0;
  24.221 +}
  24.222 +.CodeMirror-focused pre.CodeMirror-cursor {
  24.223 +  visibility: visible;
  24.224 +}
  24.225 +
  24.226 +.CodeMirror-selected { background: #d9d9d9; }
  24.227 +.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
  24.228 +
  24.229 +.CodeMirror-searching {
  24.230 +  background: #ffa;
  24.231 +  background: rgba(255, 255, 0, .4);
  24.232 +}
  24.233 +
  24.234 +/* IE7 hack to prevent it from returning funny offsetTops on the spans */
  24.235 +.CodeMirror span { *vertical-align: text-bottom; }
  24.236 +
  24.237 +@media print {
  24.238 +  /* Hide the cursor when printing */
  24.239 +  .CodeMirror pre.CodeMirror-cursor {
  24.240 +    visibility: hidden;
  24.241 +  }
  24.242 +}

    25.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
    25.2 +++ b/dew/src/main/resources/org/apidesign/bck2brwsr/dew/js/codemirror/codemirror.js	Sun Feb 03 07:48:42 2013 +0100
    25.3 @@ -0,0 +1,4553 @@
    25.4 +// CodeMirror version 3.0
    25.5 +//
    25.6 +// CodeMirror is the only global var we claim
    25.7 +window.CodeMirror = (function() {
    25.8 +  "use strict";
    25.9 +
   25.10 +  // BROWSER SNIFFING
   25.11 +
   25.12 +  // Crude, but necessary to handle a number of hard-to-feature-detect
   25.13 +  // bugs and behavior differences.
   25.14 +  var gecko = /gecko\/\d/i.test(navigator.userAgent);
   25.15 +  var ie = /MSIE \d/.test(navigator.userAgent);
   25.16 +  var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
   25.17 +  var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent);
   25.18 +  var webkit = /WebKit\//.test(navigator.userAgent);
   25.19 +  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
   25.20 +  var chrome = /Chrome\//.test(navigator.userAgent);
   25.21 +  var opera = /Opera\//.test(navigator.userAgent);
   25.22 +  var safari = /Apple Computer/.test(navigator.vendor);
   25.23 +  var khtml = /KHTML\//.test(navigator.userAgent);
   25.24 +  var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent);
   25.25 +  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
   25.26 +  var phantom = /PhantomJS/.test(navigator.userAgent);
   25.27 +
   25.28 +  var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
   25.29 +  // This is woefully incomplete. Suggestions for alternative methods welcome.
   25.30 +  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|IEMobile/i.test(navigator.userAgent);
   25.31 +  var mac = ios || /Mac/.test(navigator.platform);
   25.32 +
   25.33 +  // Optimize some code when these features are not used
   25.34 +  var sawReadOnlySpans = false, sawCollapsedSpans = false;
   25.35 +
   25.36 +  // CONSTRUCTOR
   25.37 +
   25.38 +  function CodeMirror(place, options) {
   25.39 +    if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
   25.40 +    
   25.41 +    this.options = options = options || {};
   25.42 +    // Determine effective options based on given values and defaults.
   25.43 +    for (var opt in defaults) if (!options.hasOwnProperty(opt) && defaults.hasOwnProperty(opt))
   25.44 +      options[opt] = defaults[opt];
   25.45 +    setGuttersForLineNumbers(options);
   25.46 +
   25.47 +    var display = this.display = makeDisplay(place);
   25.48 +    display.wrapper.CodeMirror = this;
   25.49 +    updateGutters(this);
   25.50 +    if (options.autofocus && !mobile) focusInput(this);
   25.51 +
   25.52 +    this.view = makeView(new BranchChunk([new LeafChunk([makeLine("", null, textHeight(display))])]));
   25.53 +    this.nextOpId = 0;
   25.54 +    loadMode(this);
   25.55 +    themeChanged(this);
   25.56 +    if (options.lineWrapping)
   25.57 +      this.display.wrapper.className += " CodeMirror-wrap";
   25.58 +
   25.59 +    // Initialize the content.
   25.60 +    this.setValue(options.value || "");
   25.61 +    // Override magic textarea content restore that IE sometimes does
   25.62 +    // on our hidden textarea on reload
   25.63 +    if (ie) setTimeout(bind(resetInput, this, true), 20);
   25.64 +    this.view.history = makeHistory();
   25.65 +
   25.66 +    registerEventHandlers(this);
   25.67 +    // IE throws unspecified error in certain cases, when
   25.68 +    // trying to access activeElement before onload
   25.69 +    var hasFocus; try { hasFocus = (document.activeElement == display.input); } catch(e) { }
   25.70 +    if (hasFocus || (options.autofocus && !mobile)) setTimeout(bind(onFocus, this), 20);
   25.71 +    else onBlur(this);
   25.72 +
   25.73 +    operation(this, function() {
   25.74 +      for (var opt in optionHandlers)
   25.75 +        if (optionHandlers.propertyIsEnumerable(opt))
   25.76 +          optionHandlers[opt](this, options[opt], Init);
   25.77 +      for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
   25.78 +    })();
   25.79 +  }
   25.80 +
   25.81 +  // DISPLAY CONSTRUCTOR
   25.82 +
   25.83 +  function makeDisplay(place) {
   25.84 +    var d = {};
   25.85 +    var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none;");
   25.86 +    input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off");
   25.87 +    // Wraps and hides input textarea
   25.88 +    d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
   25.89 +    // The actual fake scrollbars.
   25.90 +    d.scrollbarH = elt("div", [elt("div", null, null, "height: 1px")], "CodeMirror-hscrollbar");
   25.91 +    d.scrollbarV = elt("div", [elt("div", null, null, "width: 1px")], "CodeMirror-vscrollbar");
   25.92 +    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
   25.93 +    // DIVs containing the selection and the actual code
   25.94 +    d.lineDiv = elt("div");
   25.95 +    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
   25.96 +    // Blinky cursor, and element used to ensure cursor fits at the end of a line
   25.97 +    d.cursor = elt("pre", "\u00a0", "CodeMirror-cursor");
   25.98 +    // Secondary cursor, shown when on a 'jump' in bi-directional text
   25.99 +    d.otherCursor = elt("pre", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor");
  25.100 +    // Used to measure text size
  25.101 +    d.measure = elt("div", null, "CodeMirror-measure");
  25.102 +    // Wraps everything that needs to exist inside the vertically-padded coordinate system
  25.103 +    d.lineSpace = elt("div", [d.measure, d.selectionDiv, d.lineDiv, d.cursor, d.otherCursor],
  25.104 +                         null, "position: relative; outline: none");
  25.105 +    // Moved around its parent to cover visible view
  25.106 +    d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
  25.107 +    // Set to the height of the text, causes scrolling
  25.108 +    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
  25.109 +    // D is needed because behavior of elts with overflow: auto and padding is inconsistent across browsers
  25.110 +    d.heightForcer = elt("div", "\u00a0", null, "position: absolute; height: " + scrollerCutOff + "px");
  25.111 +    // Will contain the gutters, if any
  25.112 +    d.gutters = elt("div", null, "CodeMirror-gutters");
  25.113 +    d.lineGutter = null;
  25.114 +    // Helper element to properly size the gutter backgrounds
  25.115 +    var scrollerInner = elt("div", [d.sizer, d.heightForcer, d.gutters], null, "position: relative; min-height: 100%");
  25.116 +    // Provides scrolling
  25.117 +    d.scroller = elt("div", [scrollerInner], "CodeMirror-scroll");
  25.118 +    d.scroller.setAttribute("tabIndex", "-1");
  25.119 +    // The element in which the editor lives.
  25.120 +    d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV,
  25.121 +                            d.scrollbarFiller, d.scroller], "CodeMirror");
  25.122 +    // Work around IE7 z-index bug
  25.123 +    if (ie_lt8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
  25.124 +    if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper);
  25.125 +
  25.126 +    // Needed to hide big blue blinking cursor on Mobile Safari
  25.127 +    if (ios) input.style.width = "0px";
  25.128 +    if (!webkit) d.scroller.draggable = true;
  25.129 +    // Needed to handle Tab key in KHTML
  25.130 +    if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; }
  25.131 +    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
  25.132 +    else if (ie_lt8) d.scrollbarH.style.minWidth = d.scrollbarV.style.minWidth = "18px";
  25.133 +
  25.134 +    // Current visible range (may be bigger than the view window).
  25.135 +    d.viewOffset = d.showingFrom = d.showingTo = d.lastSizeC = 0;
  25.136 +
  25.137 +    // Used to only resize the line number gutter when necessary (when
  25.138 +    // the amount of lines crosses a boundary that makes its width change)
  25.139 +    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
  25.140 +    // See readInput and resetInput
  25.141 +    d.prevInput = "";
  25.142 +    // Set to true when a non-horizontal-scrolling widget is added. As
  25.143 +    // an optimization, widget aligning is skipped when d is false.
  25.144 +    d.alignWidgets = false;
  25.145 +    // Flag that indicates whether we currently expect input to appear
  25.146 +    // (after some event like 'keypress' or 'input') and are polling
  25.147 +    // intensively.
  25.148 +    d.pollingFast = false;
  25.149 +    // Self-resetting timeout for the poller
  25.150 +    d.poll = new Delayed();
  25.151 +    // True when a drag from the editor is active
  25.152 +    d.draggingText = false;
  25.153 +
  25.154 +    d.cachedCharWidth = d.cachedTextHeight = null;
  25.155 +    d.measureLineCache = [];
  25.156 +    d.measureLineCachePos = 0;
  25.157 +
  25.158 +    // Tracks when resetInput has punted to just putting a short
  25.159 +    // string instead of the (large) selection.
  25.160 +    d.inaccurateSelection = false;
  25.161 +
  25.162 +    // Used to adjust overwrite behaviour when a paste has been
  25.163 +    // detected
  25.164 +    d.pasteIncoming = false;
  25.165 +
  25.166 +    return d;
  25.167 +  }
  25.168 +
  25.169 +  // VIEW CONSTRUCTOR
  25.170 +
  25.171 +  function makeView(doc) {
  25.172 +    var selPos = {line: 0, ch: 0};
  25.173 +    return {
  25.174 +      doc: doc,
  25.175 +      // frontier is the point up to which the content has been parsed,
  25.176 +      frontier: 0, highlight: new Delayed(),
  25.177 +      sel: {from: selPos, to: selPos, head: selPos, anchor: selPos, shift: false, extend: false},
  25.178 +      scrollTop: 0, scrollLeft: 0,
  25.179 +      overwrite: false, focused: false,
  25.180 +      // Tracks the maximum line length so that
  25.181 +      // the horizontal scrollbar can be kept
  25.182 +      // static when scrolling.
  25.183 +      maxLine: getLine(doc, 0),
  25.184 +      maxLineLength: 0,
  25.185 +      maxLineChanged: false,
  25.186 +      suppressEdits: false,
  25.187 +      goalColumn: null,
  25.188 +      cantEdit: false,
  25.189 +      keyMaps: []
  25.190 +    };
  25.191 +  }
  25.192 +
  25.193 +  // STATE UPDATES
  25.194 +
  25.195 +  // Used to get the editor into a consistent state again when options change.
  25.196 +
  25.197 +  function loadMode(cm) {
  25.198 +    var doc = cm.view.doc;
  25.199 +    cm.view.mode = CodeMirror.getMode(cm.options, cm.options.mode);
  25.200 +    doc.iter(0, doc.size, function(line) { line.stateAfter = null; });
  25.201 +    cm.view.frontier = 0;
  25.202 +    startWorker(cm, 100);
  25.203 +  }
  25.204 +
  25.205 +  function wrappingChanged(cm) {
  25.206 +    var doc = cm.view.doc, th = textHeight(cm.display);
  25.207 +    if (cm.options.lineWrapping) {
  25.208 +      cm.display.wrapper.className += " CodeMirror-wrap";
  25.209 +      var perLine = cm.display.scroller.clientWidth / charWidth(cm.display) - 3;
  25.210 +      doc.iter(0, doc.size, function(line) {
  25.211 +        if (line.height == 0) return;
  25.212 +        var guess = Math.ceil(line.text.length / perLine) || 1;
  25.213 +        if (guess != 1) updateLineHeight(line, guess * th);
  25.214 +      });
  25.215 +      cm.display.sizer.style.minWidth = "";
  25.216 +    } else {
  25.217 +      cm.display.wrapper.className = cm.display.wrapper.className.replace(" CodeMirror-wrap", "");
  25.218 +      computeMaxLength(cm.view);
  25.219 +      doc.iter(0, doc.size, function(line) {
  25.220 +        if (line.height != 0) updateLineHeight(line, th);
  25.221 +      });
  25.222 +    }
  25.223 +    regChange(cm, 0, doc.size);
  25.224 +    clearCaches(cm);
  25.225 +    setTimeout(function(){updateScrollbars(cm.display, cm.view.doc.height);}, 100);
  25.226 +  }
  25.227 +
  25.228 +  function keyMapChanged(cm) {
  25.229 +    var style = keyMap[cm.options.keyMap].style;
  25.230 +    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") +
  25.231 +      (style ? " cm-keymap-" + style : "");
  25.232 +  }
  25.233 +
  25.234 +  function themeChanged(cm) {
  25.235 +    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
  25.236 +      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
  25.237 +    clearCaches(cm);
  25.238 +  }
  25.239 +
  25.240 +  function guttersChanged(cm) {
  25.241 +    updateGutters(cm);
  25.242 +    updateDisplay(cm, true);
  25.243 +  }
  25.244 +
  25.245 +  function updateGutters(cm) {
  25.246 +    var gutters = cm.display.gutters, specs = cm.options.gutters;
  25.247 +    removeChildren(gutters);
  25.248 +    for (var i = 0; i < specs.length; ++i) {
  25.249 +      var gutterClass = specs[i];
  25.250 +      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
  25.251 +      if (gutterClass == "CodeMirror-linenumbers") {
  25.252 +        cm.display.lineGutter = gElt;
  25.253 +        gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
  25.254 +      }
  25.255 +    }
  25.256 +    gutters.style.display = i ? "" : "none";
  25.257 +  }
  25.258 +
  25.259 +  function lineLength(doc, line) {
  25.260 +    if (line.height == 0) return 0;
  25.261 +    var len = line.text.length, merged, cur = line;
  25.262 +    while (merged = collapsedSpanAtStart(cur)) {
  25.263 +      var found = merged.find();
  25.264 +      cur = getLine(doc, found.from.line);
  25.265 +      len += found.from.ch - found.to.ch;
  25.266 +    }
  25.267 +    cur = line;
  25.268 +    while (merged = collapsedSpanAtEnd(cur)) {
  25.269 +      var found = merged.find();
  25.270 +      len -= cur.text.length - found.from.ch;
  25.271 +      cur = getLine(doc, found.to.line);
  25.272 +      len += cur.text.length - found.to.ch;
  25.273 +    }
  25.274 +    return len;
  25.275 +  }
  25.276 +
  25.277 +  function computeMaxLength(view) {
  25.278 +    view.maxLine = getLine(view.doc, 0);
  25.279 +    view.maxLineLength = lineLength(view.doc, view.maxLine);
  25.280 +    view.maxLineChanged = true;
  25.281 +    view.doc.iter(1, view.doc.size, function(line) {
  25.282 +      var len = lineLength(view.doc, line);
  25.283 +      if (len > view.maxLineLength) {
  25.284 +        view.maxLineLength = len;
  25.285 +        view.maxLine = line;
  25.286 +      }
  25.287 +    });
  25.288 +  }
  25.289 +
  25.290 +  // Make sure the gutters options contains the element
  25.291 +  // "CodeMirror-linenumbers" when the lineNumbers option is true.
  25.292 +  function setGuttersForLineNumbers(options) {
  25.293 +    var found = false;
  25.294 +    for (var i = 0; i < options.gutters.length; ++i) {
  25.295 +      if (options.gutters[i] == "CodeMirror-linenumbers") {
  25.296 +        if (options.lineNumbers) found = true;
  25.297 +        else options.gutters.splice(i--, 1);
  25.298 +      }
  25.299 +    }
  25.300 +    if (!found && options.lineNumbers)
  25.301 +      options.gutters.push("CodeMirror-linenumbers");
  25.302 +  }
  25.303 +
  25.304 +  // SCROLLBARS
  25.305 +
  25.306 +  // Re-synchronize the fake scrollbars with the actual size of the
  25.307 +  // content. Optionally force a scrollTop.
  25.308 +  function updateScrollbars(d /* display */, docHeight) {
  25.309 +    var totalHeight = docHeight + 2 * paddingTop(d);
  25.310 +    d.sizer.style.minHeight = d.heightForcer.style.top = totalHeight + "px";
  25.311 +    var scrollHeight = Math.max(totalHeight, d.scroller.scrollHeight);
  25.312 +    var needsH = d.scroller.scrollWidth > d.scroller.clientWidth;
  25.313 +    var needsV = scrollHeight > d.scroller.clientHeight;
  25.314 +    if (needsV) {
  25.315 +      d.scrollbarV.style.display = "block";
  25.316 +      d.scrollbarV.style.bottom = needsH ? scrollbarWidth(d.measure) + "px" : "0";
  25.317 +      d.scrollbarV.firstChild.style.height = 
  25.318 +        (scrollHeight - d.scroller.clientHeight + d.scrollbarV.clientHeight) + "px";
  25.319 +    } else d.scrollbarV.style.display = "";
  25.320 +    if (needsH) {
  25.321 +      d.scrollbarH.style.display = "block";
  25.322 +      d.scrollbarH.style.right = needsV ? scrollbarWidth(d.measure) + "px" : "0";
  25.323 +      d.scrollbarH.firstChild.style.width =
  25.324 +        (d.scroller.scrollWidth - d.scroller.clientWidth + d.scrollbarH.clientWidth) + "px";
  25.325 +    } else d.scrollbarH.style.display = "";
  25.326 +    if (needsH && needsV) {
  25.327 +      d.scrollbarFiller.style.display = "block";
  25.328 +      d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = scrollbarWidth(d.measure) + "px";
  25.329 +    } else d.scrollbarFiller.style.display = "";
  25.330 +
  25.331 +    if (mac_geLion && scrollbarWidth(d.measure) === 0)
  25.332 +      d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = mac_geMountainLion ? "18px" : "12px";
  25.333 +  }
  25.334 +
  25.335 +  function visibleLines(display, doc, viewPort) {
  25.336 +    var top = display.scroller.scrollTop, height = display.wrapper.clientHeight;
  25.337 +    if (typeof viewPort == "number") top = viewPort;
  25.338 +    else if (viewPort) {top = viewPort.top; height = viewPort.bottom - viewPort.top;}
  25.339 +    top = Math.floor(top - paddingTop(display));
  25.340 +    var bottom = Math.ceil(top + height);
  25.341 +    return {from: lineAtHeight(doc, top), to: lineAtHeight(doc, bottom)};
  25.342 +  }
  25.343 +
  25.344 +  // LINE NUMBERS
  25.345 +
  25.346 +  function alignHorizontally(cm) {
  25.347 +    var display = cm.display;
  25.348 +    if (!display.alignWidgets && !display.gutters.firstChild) return;
  25.349 +    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.view.scrollLeft;
  25.350 +    var gutterW = display.gutters.offsetWidth, l = comp + "px";
  25.351 +    for (var n = display.lineDiv.firstChild; n; n = n.nextSibling) if (n.alignable) {
  25.352 +      for (var i = 0, a = n.alignable; i < a.length; ++i) a[i].style.left = l;
  25.353 +    }
  25.354 +    display.gutters.style.left = (comp + gutterW) + "px";
  25.355 +  }
  25.356 +
  25.357 +  function maybeUpdateLineNumberWidth(cm) {
  25.358 +    if (!cm.options.lineNumbers) return false;
  25.359 +    var doc = cm.view.doc, last = lineNumberFor(cm.options, doc.size - 1), display = cm.display;
  25.360 +    if (last.length != display.lineNumChars) {
  25.361 +      var test = display.measure.appendChild(elt("div", [elt("div", last)],
  25.362 +                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
  25.363 +      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
  25.364 +      display.lineGutter.style.width = "";
  25.365 +      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding);
  25.366 +      display.lineNumWidth = display.lineNumInnerWidth + padding;
  25.367 +      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
  25.368 +      display.lineGutter.style.width = display.lineNumWidth + "px";
  25.369 +      return true;
  25.370 +    }
  25.371 +    return false;
  25.372 +  }
  25.373 +
  25.374 +  function lineNumberFor(options, i) {
  25.375 +    return String(options.lineNumberFormatter(i + options.firstLineNumber));
  25.376 +  }
  25.377 +  function compensateForHScroll(display) {
  25.378 +    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
  25.379 +  }
  25.380 +
  25.381 +  // DISPLAY DRAWING
  25.382 +
  25.383 +  function updateDisplay(cm, changes, viewPort) {
  25.384 +    var oldFrom = cm.display.showingFrom, oldTo = cm.display.showingTo;
  25.385 +    var updated = updateDisplayInner(cm, changes, viewPort);
  25.386 +    if (updated) {
  25.387 +      signalLater(cm, cm, "update", cm);
  25.388 +      if (cm.display.showingFrom != oldFrom || cm.display.showingTo != oldTo)
  25.389 +        signalLater(cm, cm, "viewportChange", cm, cm.display.showingFrom, cm.display.showingTo);
  25.390 +    }
  25.391 +    updateSelection(cm);
  25.392 +    updateScrollbars(cm.display, cm.view.doc.height);
  25.393 +
  25.394 +    return updated;
  25.395 +  }
  25.396 +
  25.397 +  // Uses a set of changes plus the current scroll position to
  25.398 +  // determine which DOM updates have to be made, and makes the
  25.399 +  // updates.
  25.400 +  function updateDisplayInner(cm, changes, viewPort) {
  25.401 +    var display = cm.display, doc = cm.view.doc;
  25.402 +    if (!display.wrapper.clientWidth) {
  25.403 +      display.showingFrom = display.showingTo = display.viewOffset = 0;
  25.404 +      return;
  25.405 +    }
  25.406 +
  25.407 +    // Compute the new visible window
  25.408 +    // If scrollTop is specified, use that to determine which lines
  25.409 +    // to render instead of the current scrollbar position.
  25.410 +    var visible = visibleLines(display, doc, viewPort);
  25.411 +    // Bail out if the visible area is already rendered and nothing changed.
  25.412 +    if (changes !== true && changes.length == 0 &&
  25.413 +        visible.from > display.showingFrom && visible.to < display.showingTo)
  25.414 +      return;
  25.415 +
  25.416 +    if (changes && maybeUpdateLineNumberWidth(cm))
  25.417 +      changes = true;
  25.418 +    display.sizer.style.marginLeft = display.scrollbarH.style.left = display.gutters.offsetWidth + "px";
  25.419 +
  25.420 +    // When merged lines are present, the line that needs to be
  25.421 +    // redrawn might not be the one that was changed.
  25.422 +    if (changes !== true && sawCollapsedSpans)
  25.423 +      for (var i = 0; i < changes.length; ++i) {
  25.424 +        var ch = changes[i], merged;
  25.425 +        while (merged = collapsedSpanAtStart(getLine(doc, ch.from))) {
  25.426 +          var from = merged.find().from.line;
  25.427 +          if (ch.diff) ch.diff -= ch.from - from;
  25.428 +          ch.from = from;
  25.429 +        }
  25.430 +      }
  25.431 +
  25.432 +    // Used to determine which lines need their line numbers updated
  25.433 +    var positionsChangedFrom = changes === true ? 0 : Infinity;
  25.434 +    if (cm.options.lineNumbers && changes && changes !== true)
  25.435 +      for (var i = 0; i < changes.length; ++i)
  25.436 +        if (changes[i].diff) { positionsChangedFrom = changes[i].from; break; }
  25.437 +
  25.438 +    var from = Math.max(visible.from - cm.options.viewportMargin, 0);
  25.439 +    var to = Math.min(doc.size, visible.to + cm.options.viewportMargin);
  25.440 +    if (display.showingFrom < from && from - display.showingFrom < 20) from = display.showingFrom;
  25.441 +    if (display.showingTo > to && display.showingTo - to < 20) to = Math.min(doc.size, display.showingTo);
  25.442 +    if (sawCollapsedSpans) {
  25.443 +      from = lineNo(visualLine(doc, getLine(doc, from)));
  25.444 +      while (to < doc.size && lineIsHidden(getLine(doc, to))) ++to;
  25.445 +    }
  25.446 +
  25.447 +    // Create a range of theoretically intact lines, and punch holes
  25.448 +    // in that using the change info.
  25.449 +    var intact = changes === true ? [] :
  25.450 +      computeIntact([{from: display.showingFrom, to: display.showingTo}], changes);
  25.451 +    // Clip off the parts that won't be visible
  25.452 +    var intactLines = 0;
  25.453 +    for (var i = 0; i < intact.length; ++i) {
  25.454 +      var range = intact[i];
  25.455 +      if (range.from < from) range.from = from;
  25.456 +      if (range.to > to) range.to = to;
  25.457 +      if (range.from >= range.to) intact.splice(i--, 1);
  25.458 +      else intactLines += range.to - range.from;
  25.459 +    }
  25.460 +    if (intactLines == to - from && from == display.showingFrom && to == display.showingTo)
  25.461 +      return;
  25.462 +    intact.sort(function(a, b) {return a.from - b.from;});
  25.463 +
  25.464 +    if (intactLines < (to - from) * .7) display.lineDiv.style.display = "none";
  25.465 +    patchDisplay(cm, from, to, intact, positionsChangedFrom);
  25.466 +    display.lineDiv.style.display = "";
  25.467 +
  25.468 +    var different = from != display.showingFrom || to != display.showingTo ||
  25.469 +      display.lastSizeC != display.wrapper.clientHeight;
  25.470 +    // This is just a bogus formula that detects when the editor is
  25.471 +    // resized or the font size changes.
  25.472 +    if (different) display.lastSizeC = display.wrapper.clientHeight;
  25.473 +    display.showingFrom = from; display.showingTo = to;
  25.474 +    startWorker(cm, 100);
  25.475 +
  25.476 +    var prevBottom = display.lineDiv.offsetTop;
  25.477 +    for (var node = display.lineDiv.firstChild, height; node; node = node.nextSibling) if (node.lineObj) {
  25.478 +      if (ie_lt8) {
  25.479 +        var bot = node.offsetTop + node.offsetHeight;
  25.480 +        height = bot - prevBottom;
  25.481 +        prevBottom = bot;
  25.482 +      } else {
  25.483 +        var box = node.getBoundingClientRect();
  25.484 +        height = box.bottom - box.top;
  25.485 +      }
  25.486 +      var diff = node.lineObj.height - height;
  25.487 +      if (height < 2) height = textHeight(display);
  25.488 +      if (diff > .001 || diff < -.001)
  25.489 +        updateLineHeight(node.lineObj, height);
  25.490 +    }
  25.491 +    display.viewOffset = heightAtLine(cm, getLine(doc, from));
  25.492 +    // Position the mover div to align with the current virtual scroll position
  25.493 +    display.mover.style.top = display.viewOffset + "px";
  25.494 +    return true;
  25.495 +  }
  25.496 +
  25.497 +  function computeIntact(intact, changes) {
  25.498 +    for (var i = 0, l = changes.length || 0; i < l; ++i) {
  25.499 +      var change = changes[i], intact2 = [], diff = change.diff || 0;
  25.500 +      for (var j = 0, l2 = intact.length; j < l2; ++j) {
  25.501 +        var range = intact[j];
  25.502 +        if (change.to <= range.from && change.diff) {
  25.503 +          intact2.push({from: range.from + diff, to: range.to + diff});
  25.504 +        } else if (change.to <= range.from || change.from >= range.to) {
  25.505 +          intact2.push(range);
  25.506 +        } else {
  25.507 +          if (change.from > range.from)
  25.508 +            intact2.push({from: range.from, to: change.from});
  25.509 +          if (change.to < range.to)
  25.510 +            intact2.push({from: change.to + diff, to: range.to + diff});
  25.511 +        }
  25.512 +      }
  25.513 +      intact = intact2;
  25.514 +    }
  25.515 +    return intact;
  25.516 +  }
  25.517 +
  25.518 +  function getDimensions(cm) {
  25.519 +    var d = cm.display, left = {}, width = {};
  25.520 +    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
  25.521 +      left[cm.options.gutters[i]] = n.offsetLeft;
  25.522 +      width[cm.options.gutters[i]] = n.offsetWidth;
  25.523 +    }
  25.524 +    return {fixedPos: compensateForHScroll(d),
  25.525 +            gutterTotalWidth: d.gutters.offsetWidth,
  25.526 +            gutterLeft: left,
  25.527 +            gutterWidth: width,
  25.528 +            wrapperWidth: d.wrapper.clientWidth};
  25.529 +  }
  25.530 +
  25.531 +  function patchDisplay(cm, from, to, intact, updateNumbersFrom) {
  25.532 +    var dims = getDimensions(cm);
  25.533 +    var display = cm.display, lineNumbers = cm.options.lineNumbers;
  25.534 +    // IE does bad things to nodes when .innerHTML = "" is used on a parent
  25.535 +    // we still need widgets and markers intact to add back to the new content later
  25.536 +    if (!intact.length && !ie && (!webkit || !cm.display.currentWheelTarget))
  25.537 +      removeChildren(display.lineDiv);
  25.538 +    var container = display.lineDiv, cur = container.firstChild;
  25.539 +
  25.540 +    function rm(node) {
  25.541 +      var next = node.nextSibling;
  25.542 +      if (webkit && mac && cm.display.currentWheelTarget == node) {
  25.543 +        node.style.display = "none";
  25.544 +        node.lineObj = null;
  25.545 +      } else {
  25.546 +        container.removeChild(node);
  25.547 +      }
  25.548 +      return next;
  25.549 +    }
  25.550 +
  25.551 +    var nextIntact = intact.shift(), lineNo = from;
  25.552 +    cm.view.doc.iter(from, to, function(line) {
  25.553 +      if (nextIntact && nextIntact.to == lineNo) nextIntact = intact.shift();
  25.554 +      if (lineIsHidden(line)) {
  25.555 +        if (line.height != 0) updateLineHeight(line, 0);
  25.556 +      } else if (nextIntact && nextIntact.from <= lineNo && nextIntact.to > lineNo) {
  25.557 +        // This line is intact. Skip to the actual node. Update its
  25.558 +        // line number if needed.
  25.559 +        while (cur.lineObj != line) cur = rm(cur);
  25.560 +        if (lineNumbers && updateNumbersFrom <= lineNo && cur.lineNumber)
  25.561 +          setTextContent(cur.lineNumber, lineNumberFor(cm.options, lineNo));
  25.562 +        cur = cur.nextSibling;
  25.563 +      } else {
  25.564 +        // This line needs to be generated.
  25.565 +        var lineNode = buildLineElement(cm, line, lineNo, dims);
  25.566 +        container.insertBefore(lineNode, cur);
  25.567 +        lineNode.lineObj = line;
  25.568 +      }
  25.569 +      ++lineNo;
  25.570 +    });
  25.571 +    while (cur) cur = rm(cur);
  25.572 +  }
  25.573 +
  25.574 +  function buildLineElement(cm, line, lineNo, dims) {
  25.575 +    var lineElement = lineContent(cm, line);
  25.576 +    var markers = line.gutterMarkers, display = cm.display;
  25.577 +
  25.578 +    if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass &&
  25.579 +        (!line.widgets || !line.widgets.length)) return lineElement;
  25.580 +
  25.581 +    // Lines with gutter elements or a background class need
  25.582 +    // to be wrapped again, and have the extra elements added
  25.583 +    // to the wrapper div
  25.584 +
  25.585 +    var wrap = elt("div", null, line.wrapClass, "position: relative");
  25.586 +    if (cm.options.lineNumbers || markers) {
  25.587 +      var gutterWrap = wrap.appendChild(elt("div", null, null, "position: absolute; left: " +
  25.588 +                                            dims.fixedPos + "px"));
  25.589 +      wrap.alignable = [gutterWrap];
  25.590 +      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
  25.591 +        wrap.lineNumber = gutterWrap.appendChild(
  25.592 +          elt("div", lineNumberFor(cm.options, lineNo),
  25.593 +              "CodeMirror-linenumber CodeMirror-gutter-elt",
  25.594 +              "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
  25.595 +              + display.lineNumInnerWidth + "px"));
  25.596 +      if (markers)
  25.597 +        for (var k = 0; k < cm.options.gutters.length; ++k) {
  25.598 +          var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
  25.599 +          if (found)
  25.600 +            gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
  25.601 +                                       dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
  25.602 +        }
  25.603 +    }
  25.604 +    // Kludge to make sure the styled element lies behind the selection (by z-index)
  25.605 +    if (line.bgClass)
  25.606 +      wrap.appendChild(elt("div", "\u00a0", line.bgClass + " CodeMirror-linebackground"));
  25.607 +    wrap.appendChild(lineElement);
  25.608 +    if (line.widgets)
  25.609 +      for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
  25.610 +        var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
  25.611 +        node.widget = widget;
  25.612 +        if (widget.noHScroll) {
  25.613 +          (wrap.alignable || (wrap.alignable = [])).push(node);
  25.614 +          var width = dims.wrapperWidth;
  25.615 +          node.style.left = dims.fixedPos + "px";
  25.616 +          if (!widget.coverGutter) {
  25.617 +            width -= dims.gutterTotalWidth;
  25.618 +            node.style.paddingLeft = dims.gutterTotalWidth + "px";
  25.619 +          }
  25.620 +          node.style.width = width + "px";
  25.621 +        }
  25.622 +        if (widget.coverGutter) {
  25.623 +          node.style.zIndex = 5;
  25.624 +          node.style.position = "relative";
  25.625 +          if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
  25.626 +        }
  25.627 +        if (widget.above)
  25.628 +          wrap.insertBefore(node, cm.options.lineNumbers && line.height != 0 ? gutterWrap : lineElement);
  25.629 +        else
  25.630 +          wrap.appendChild(node);
  25.631 +      }
  25.632 +
  25.633 +    if (ie_lt8) wrap.style.zIndex = 2;
  25.634 +    return wrap;
  25.635 +  }
  25.636 +
  25.637 +  // SELECTION / CURSOR
  25.638 +
  25.639 +  function updateSelection(cm) {
  25.640 +    var display = cm.display;
  25.641 +    var collapsed = posEq(cm.view.sel.from, cm.view.sel.to);
  25.642 +    if (collapsed || cm.options.showCursorWhenSelecting)
  25.643 +      updateSelectionCursor(cm);
  25.644 +    else
  25.645 +      display.cursor.style.display = display.otherCursor.style.display = "none";
  25.646 +    if (!collapsed)
  25.647 +      updateSelectionRange(cm);
  25.648 +    else
  25.649 +      display.selectionDiv.style.display = "none";
  25.650 +
  25.651 +    // Move the hidden textarea near the cursor to prevent scrolling artifacts
  25.652 +    var headPos = cursorCoords(cm, cm.view.sel.head, "div");
  25.653 +    var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
  25.654 +    display.inputDiv.style.top = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
  25.655 +                                                      headPos.top + lineOff.top - wrapOff.top)) + "px";
  25.656 +    display.inputDiv.style.left = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
  25.657 +                                                       headPos.left + lineOff.left - wrapOff.left)) + "px";
  25.658 +  }
  25.659 +
  25.660 +  // No selection, plain cursor
  25.661 +  function updateSelectionCursor(cm) {
  25.662 +    var display = cm.display, pos = cursorCoords(cm, cm.view.sel.head, "div");
  25.663 +    display.cursor.style.left = pos.left + "px";
  25.664 +    display.cursor.style.top = pos.top + "px";
  25.665 +    display.cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
  25.666 +    display.cursor.style.display = "";
  25.667 +
  25.668 +    if (pos.other) {
  25.669 +      display.otherCursor.style.display = "";
  25.670 +      display.otherCursor.style.left = pos.other.left + "px";
  25.671 +      display.otherCursor.style.top = pos.other.top + "px";
  25.672 +      display.otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
  25.673 +    } else { display.otherCursor.style.display = "none"; }
  25.674 +  }
  25.675 +
  25.676 +  // Highlight selection
  25.677 +  function updateSelectionRange(cm) {
  25.678 +    var display = cm.display, doc = cm.view.doc, sel = cm.view.sel;
  25.679 +    var fragment = document.createDocumentFragment();
  25.680 +    var clientWidth = display.lineSpace.offsetWidth, pl = paddingLeft(cm.display);
  25.681 +
  25.682 +    function add(left, top, width, bottom) {
  25.683 +      if (top < 0) top = 0;
  25.684 +      fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
  25.685 +                               "px; top: " + top + "px; width: " + (width == null ? clientWidth - left : width) +
  25.686 +                               "px; height: " + (bottom - top) + "px"));
  25.687 +    }
  25.688 +
  25.689 +    function drawForLine(line, fromArg, toArg, retTop) {
  25.690 +      var lineObj = getLine(doc, line);
  25.691 +      var lineLen = lineObj.text.length, rVal = retTop ? Infinity : -Infinity;
  25.692 +      function coords(ch) {
  25.693 +        return charCoords(cm, {line: line, ch: ch}, "div", lineObj);
  25.694 +      }
  25.695 +
  25.696 +      iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
  25.697 +        var leftPos = coords(dir == "rtl" ? to - 1 : from);
  25.698 +        var rightPos = coords(dir == "rtl" ? from : to - 1);
  25.699 +        var left = leftPos.left, right = rightPos.right;
  25.700 +        if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
  25.701 +          add(left, leftPos.top, null, leftPos.bottom);
  25.702 +          left = pl;
  25.703 +          if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
  25.704 +        }
  25.705 +        if (toArg == null && to == lineLen) right = clientWidth;
  25.706 +        if (fromArg == null && from == 0) left = pl;
  25.707 +        rVal = retTop ? Math.min(rightPos.top, rVal) : Math.max(rightPos.bottom, rVal);
  25.708 +        if (left < pl + 1) left = pl;
  25.709 +        add(left, rightPos.top, right - left, rightPos.bottom);
  25.710 +      });
  25.711 +      return rVal;
  25.712 +    }
  25.713 +
  25.714 +    if (sel.from.line == sel.to.line) {
  25.715 +      drawForLine(sel.from.line, sel.from.ch, sel.to.ch);
  25.716 +    } else {
  25.717 +      var fromObj = getLine(doc, sel.from.line);
  25.718 +      var cur = fromObj, merged, path = [sel.from.line, sel.from.ch], singleLine;
  25.719 +      while (merged = collapsedSpanAtEnd(cur)) {
  25.720 +        var found = merged.find();
  25.721 +        path.push(found.from.ch, found.to.line, found.to.ch);
  25.722 +        if (found.to.line == sel.to.line) {
  25.723 +          path.push(sel.to.ch);
  25.724 +          singleLine = true;
  25.725 +          break;
  25.726 +        }
  25.727 +        cur = getLine(doc, found.to.line);
  25.728 +      }
  25.729 +
  25.730 +      // This is a single, merged line
  25.731 +      if (singleLine) {
  25.732 +        for (var i = 0; i < path.length; i += 3)
  25.733 +          drawForLine(path[i], path[i+1], path[i+2]);
  25.734 +      } else {
  25.735 +        var middleTop, middleBot, toObj = getLine(doc, sel.to.line);
  25.736 +        if (sel.from.ch)
  25.737 +          // Draw the first line of selection.
  25.738 +          middleTop = drawForLine(sel.from.line, sel.from.ch, null, false);
  25.739 +        else
  25.740 +          // Simply include it in the middle block.
  25.741 +          middleTop = heightAtLine(cm, fromObj) - display.viewOffset;
  25.742 +
  25.743 +        if (!sel.to.ch)
  25.744 +          middleBot = heightAtLine(cm, toObj) - display.viewOffset;
  25.745 +        else
  25.746 +          middleBot = drawForLine(sel.to.line, collapsedSpanAtStart(toObj) ? null : 0, sel.to.ch, true);
  25.747 +
  25.748 +        if (middleTop < middleBot) add(pl, middleTop, null, middleBot);
  25.749 +      }
  25.750 +    }
  25.751 +
  25.752 +    removeChildrenAndAdd(display.selectionDiv, fragment);
  25.753 +    display.selectionDiv.style.display = "";
  25.754 +  }
  25.755 +
  25.756 +  // Cursor-blinking
  25.757 +  function restartBlink(cm) {
  25.758 +    var display = cm.display;
  25.759 +    clearInterval(display.blinker);
  25.760 +    var on = true;
  25.761 +    display.cursor.style.visibility = display.otherCursor.style.visibility = "";
  25.762 +    display.blinker = setInterval(function() {
  25.763 +      if (!display.cursor.offsetHeight) return;
  25.764 +      display.cursor.style.visibility = display.otherCursor.style.visibility = (on = !on) ? "" : "hidden";
  25.765 +    }, cm.options.cursorBlinkRate);
  25.766 +  }
  25.767 +
  25.768 +  // HIGHLIGHT WORKER
  25.769 +
  25.770 +  function startWorker(cm, time) {
  25.771 +    if (cm.view.frontier < cm.display.showingTo)
  25.772 +      cm.view.highlight.set(time, bind(highlightWorker, cm));
  25.773 +  }
  25.774 +
  25.775 +  function highlightWorker(cm) {
  25.776 +    var view = cm.view, doc = view.doc;
  25.777 +    if (view.frontier >= cm.display.showingTo) return;
  25.778 +    var end = +new Date + cm.options.workTime;
  25.779 +    var state = copyState(view.mode, getStateBefore(cm, view.frontier));
  25.780 +    var changed = [], prevChange;
  25.781 +    doc.iter(view.frontier, Math.min(doc.size, cm.display.showingTo + 500), function(line) {
  25.782 +      if (view.frontier >= cm.display.showingFrom) { // Visible
  25.783 +        if (highlightLine(cm, line, state) && view.frontier >= cm.display.showingFrom) {
  25.784 +          if (prevChange && prevChange.end == view.frontier) prevChange.end++;
  25.785 +          else changed.push(prevChange = {start: view.frontier, end: view.frontier + 1});
  25.786 +        }
  25.787 +        line.stateAfter = copyState(view.mode, state);
  25.788 +      } else {
  25.789 +        processLine(cm, line, state);
  25.790 +        line.stateAfter = view.frontier % 5 == 0 ? copyState(view.mode, state) : null;
  25.791 +      }
  25.792 +      ++view.frontier;
  25.793 +      if (+new Date > end) {
  25.794 +        startWorker(cm, cm.options.workDelay);
  25.795 +        return true;
  25.796 +      }
  25.797 +    });
  25.798 +    if (changed.length)
  25.799 +      operation(cm, function() {
  25.800 +        for (var i = 0; i < changed.length; ++i)
  25.801 +          regChange(this, changed[i].start, changed[i].end);
  25.802 +      })();
  25.803 +  }
  25.804 +
  25.805 +  // Finds the line to start with when starting a parse. Tries to
  25.806 +  // find a line with a stateAfter, so that it can start with a
  25.807 +  // valid state. If that fails, it returns the line with the
  25.808 +  // smallest indentation, which tends to need the least context to
  25.809 +  // parse correctly.
  25.810 +  function findStartLine(cm, n) {
  25.811 +    var minindent, minline, doc = cm.view.doc;
  25.812 +    for (var search = n, lim = n - 100; search > lim; --search) {
  25.813 +      if (search == 0) return 0;
  25.814 +      var line = getLine(doc, search-1);
  25.815 +      if (line.stateAfter) return search;
  25.816 +      var indented = countColumn(line.text, null, cm.options.tabSize);
  25.817 +      if (minline == null || minindent > indented) {
  25.818 +        minline = search - 1;
  25.819 +        minindent = indented;
  25.820 +      }
  25.821 +    }
  25.822 +    return minline;
  25.823 +  }
  25.824 +
  25.825 +  function getStateBefore(cm, n) {
  25.826 +    var view = cm.view;
  25.827 +    var pos = findStartLine(cm, n), state = pos && getLine(view.doc, pos-1).stateAfter;
  25.828 +    if (!state) state = startState(view.mode);
  25.829 +    else state = copyState(view.mode, state);
  25.830 +    view.doc.iter(pos, n, function(line) {
  25.831 +      processLine(cm, line, state);
  25.832 +      var save = pos == n - 1 || pos % 5 == 0 || pos >= view.showingFrom && pos < view.showingTo;
  25.833 +      line.stateAfter = save ? copyState(view.mode, state) : null;
  25.834 +      ++pos;
  25.835 +    });
  25.836 +    return state;
  25.837 +  }
  25.838 +
  25.839 +  // POSITION MEASUREMENT
  25.840 +  
  25.841 +  function paddingTop(display) {return display.lineSpace.offsetTop;}
  25.842 +  function paddingLeft(display) {
  25.843 +    var e = removeChildrenAndAdd(display.measure, elt("pre")).appendChild(elt("span", "x"));
  25.844 +    return e.offsetLeft;
  25.845 +  }
  25.846 +
  25.847 +  function measureChar(cm, line, ch, data) {
  25.848 +    var data = data || measureLine(cm, line), dir = -1;
  25.849 +    for (var pos = ch;; pos += dir) {
  25.850 +      var r = data[pos];
  25.851 +      if (r) break;
  25.852 +      if (dir < 0 && pos == 0) dir = 1;
  25.853 +    }
  25.854 +    return {left: pos < ch ? r.right : r.left,
  25.855 +            right: pos > ch ? r.left : r.right,
  25.856 +            top: r.top, bottom: r.bottom};
  25.857 +  }
  25.858 +
  25.859 +  function measureLine(cm, line) {
  25.860 +    // First look in the cache
  25.861 +    var display = cm.display, cache = cm.display.measureLineCache;
  25.862 +    for (var i = 0; i < cache.length; ++i) {
  25.863 +      var memo = cache[i];
  25.864 +      if (memo.text == line.text && memo.markedSpans == line.markedSpans &&
  25.865 +          display.scroller.clientWidth == memo.width)
  25.866 +        return memo.measure;
  25.867 +    }
  25.868 +    
  25.869 +    var measure = measureLineInner(cm, line);
  25.870 +    // Store result in the cache
  25.871 +    var memo = {text: line.text, width: display.scroller.clientWidth,
  25.872 +                markedSpans: line.markedSpans, measure: measure};
  25.873 +    if (cache.length == 16) cache[++display.measureLineCachePos % 16] = memo;
  25.874 +    else cache.push(memo);
  25.875 +    return measure;
  25.876 +  }
  25.877 +
  25.878 +  function measureLineInner(cm, line) {
  25.879 +    var display = cm.display, measure = emptyArray(line.text.length);
  25.880 +    var pre = lineContent(cm, line, measure);
  25.881 +
  25.882 +    // IE does not cache element positions of inline elements between
  25.883 +    // calls to getBoundingClientRect. This makes the loop below,
  25.884 +    // which gathers the positions of all the characters on the line,
  25.885 +    // do an amount of layout work quadratic to the number of
  25.886 +    // characters. When line wrapping is off, we try to improve things
  25.887 +    // by first subdividing the line into a bunch of inline blocks, so
  25.888 +    // that IE can reuse most of the layout information from caches
  25.889 +    // for those blocks. This does interfere with line wrapping, so it
  25.890 +    // doesn't work when wrapping is on, but in that case the
  25.891 +    // situation is slightly better, since IE does cache line-wrapping
  25.892 +    // information and only recomputes per-line.
  25.893 +    if (ie && !ie_lt8 && !cm.options.lineWrapping && pre.childNodes.length > 100) {
  25.894 +      var fragment = document.createDocumentFragment();
  25.895 +      var chunk = 10, n = pre.childNodes.length;
  25.896 +      for (var i = 0, chunks = Math.ceil(n / chunk); i < chunks; ++i) {
  25.897 +        var wrap = elt("div", null, null, "display: inline-block");
  25.898 +        for (var j = 0; j < chunk && n; ++j) {
  25.899 +          wrap.appendChild(pre.firstChild);
  25.900 +          --n;
  25.901 +        }
  25.902 +        fragment.appendChild(wrap);
  25.903 +      }
  25.904 +      pre.appendChild(fragment);
  25.905 +    }
  25.906 +
  25.907 +    removeChildrenAndAdd(display.measure, pre);
  25.908 +
  25.909 +    var outer = display.lineDiv.getBoundingClientRect();
  25.910 +    var vranges = [], data = emptyArray(line.text.length), maxBot = pre.offsetHeight;
  25.911 +    for (var i = 0, cur; i < measure.length; ++i) if (cur = measure[i]) {
  25.912 +      var size = cur.getBoundingClientRect();
  25.913 +      var top = Math.max(0, size.top - outer.top), bot = Math.min(size.bottom - outer.top, maxBot);
  25.914 +      for (var j = 0; j < vranges.length; j += 2) {
  25.915 +        var rtop = vranges[j], rbot = vranges[j+1];
  25.916 +        if (rtop > bot || rbot < top) continue;
  25.917 +        if (rtop <= top && rbot >= bot ||
  25.918 +            top <= rtop && bot >= rbot ||
  25.919 +            Math.min(bot, rbot) - Math.max(top, rtop) >= (bot - top) >> 1) {
  25.920 +          vranges[j] = Math.min(top, rtop);
  25.921 +          vranges[j+1] = Math.max(bot, rbot);
  25.922 +          break;
  25.923 +        }
  25.924 +      }
  25.925 +      if (j == vranges.length) vranges.push(top, bot);
  25.926 +      data[i] = {left: size.left - outer.left, right: size.right - outer.left, top: j};
  25.927 +    }
  25.928 +    for (var i = 0, cur; i < data.length; ++i) if (cur = data[i]) {
  25.929 +      var vr = cur.top;
  25.930 +      cur.top = vranges[vr]; cur.bottom = vranges[vr+1];
  25.931 +    }
  25.932 +    return data;
  25.933 +  }
  25.934 +
  25.935 +  function clearCaches(cm) {
  25.936 +    cm.display.measureLineCache.length = cm.display.measureLineCachePos = 0;
  25.937 +    cm.display.cachedCharWidth = cm.display.cachedTextHeight = null;
  25.938 +    cm.view.maxLineChanged = true;
  25.939 +  }
  25.940 +
  25.941 +  // Context is one of "line", "div" (display.lineDiv), "local"/null (editor), or "page"
  25.942 +  function intoCoordSystem(cm, lineObj, rect, context) {
  25.943 +    if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
  25.944 +      var size = lineObj.widgets[i].node.offsetHeight;
  25.945 +      rect.top += size; rect.bottom += size;
  25.946 +    }
  25.947 +    if (context == "line") return rect;
  25.948 +    if (!context) context = "local";
  25.949 +    var yOff = heightAtLine(cm, lineObj);
  25.950 +    if (context != "local") yOff -= cm.display.viewOffset;
  25.951 +    if (context == "page") {
  25.952 +      var lOff = cm.display.lineSpace.getBoundingClientRect();
  25.953 +      yOff += lOff.top + (window.pageYOffset || (document.documentElement || document.body).scrollTop);
  25.954 +      var xOff = lOff.left + (window.pageXOffset || (document.documentElement || document.body).scrollLeft);
  25.955 +      rect.left += xOff; rect.right += xOff;
  25.956 +    }
  25.957 +    rect.top += yOff; rect.bottom += yOff;
  25.958 +    return rect;
  25.959 +  }
  25.960 +
  25.961 +  function charCoords(cm, pos, context, lineObj) {
  25.962 +    if (!lineObj) lineObj = getLine(cm.view.doc, pos.line);
  25.963 +    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch), context);
  25.964 +  }
  25.965 +
  25.966 +  function cursorCoords(cm, pos, context, lineObj, measurement) {
  25.967 +    lineObj = lineObj || getLine(cm.view.doc, pos.line);
  25.968 +    if (!measurement) measurement = measureLine(cm, lineObj);
  25.969 +    function get(ch, right) {
  25.970 +      var m = measureChar(cm, lineObj, ch, measurement);
  25.971 +      if (right) m.left = m.right; else m.right = m.left;
  25.972 +      return intoCoordSystem(cm, lineObj, m, context);
  25.973 +    }
  25.974 +    var order = getOrder(lineObj), ch = pos.ch;
  25.975 +    if (!order) return get(ch);
  25.976 +    var main, other, linedir = order[0].level;
  25.977 +    for (var i = 0; i < order.length; ++i) {
  25.978 +      var part = order[i], rtl = part.level % 2, nb, here;
  25.979 +      if (part.from < ch && part.to > ch) return get(ch, rtl);
  25.980 +      var left = rtl ? part.to : part.from, right = rtl ? part.from : part.to;
  25.981 +      if (left == ch) {
  25.982 +        // Opera and IE return bogus offsets and widths for edges
  25.983 +        // where the direction flips, but only for the side with the
  25.984 +        // lower level. So we try to use the side with the higher
  25.985 +        // level.
  25.986 +        if (i && part.level < (nb = order[i-1]).level) here = get(nb.level % 2 ? nb.from : nb.to - 1, true);
  25.987 +        else here = get(rtl && part.from != part.to ? ch - 1 : ch);
  25.988 +        if (rtl == linedir) main = here; else other = here;
  25.989 +      } else if (right == ch) {
  25.990 +        var nb = i < order.length - 1 && order[i+1];
  25.991 +        if (!rtl && nb && nb.from == nb.to) continue;
  25.992 +        if (nb && part.level < nb.level) here = get(nb.level % 2 ? nb.to - 1 : nb.from);
  25.993 +        else here = get(rtl ? ch : ch - 1, true);
  25.994 +        if (rtl == linedir) main = here; else other = here;
  25.995 +      }
  25.996 +    }
  25.997 +    if (linedir && !ch) other = get(order[0].to - 1);
  25.998 +    if (!main) return other;
  25.999 +    if (other) main.other = other;
 25.1000 +    return main;
 25.1001 +  }
 25.1002 +
 25.1003 +  // Coords must be lineSpace-local
 25.1004 +  function coordsChar(cm, x, y) {
 25.1005 +    var doc = cm.view.doc;
 25.1006 +    y += cm.display.viewOffset;
 25.1007 +    if (y < 0) return {line: 0, ch: 0, outside: true};
 25.1008 +    var lineNo = lineAtHeight(doc, y);
 25.1009 +    if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc, doc.size - 1).text.length};
 25.1010 +    if (x < 0) x = 0;
 25.1011 +
 25.1012 +    for (;;) {
 25.1013 +      var lineObj = getLine(doc, lineNo);
 25.1014 +      var found = coordsCharInner(cm, lineObj, lineNo, x, y);
 25.1015 +      var merged = collapsedSpanAtEnd(lineObj);
 25.1016 +      if (merged && found.ch == lineRight(lineObj))
 25.1017 +        lineNo = merged.find().to.line;
 25.1018 +      else
 25.1019 +        return found;
 25.1020 +    }
 25.1021 +  }
 25.1022 +
 25.1023 +  function coordsCharInner(cm, lineObj, lineNo, x, y) {
 25.1024 +    var innerOff = y - heightAtLine(cm, lineObj);
 25.1025 +    var wrongLine = false, cWidth = cm.display.wrapper.clientWidth;
 25.1026 +    var measurement = measureLine(cm, lineObj);
 25.1027 +
 25.1028 +    function getX(ch) {
 25.1029 +      var sp = cursorCoords(cm, {line: lineNo, ch: ch}, "line",
 25.1030 +                            lineObj, measurement);
 25.1031 +      wrongLine = true;
 25.1032 +      if (innerOff > sp.bottom) return Math.max(0, sp.left - cWidth);
 25.1033 +      else if (innerOff < sp.top) return sp.left + cWidth;
 25.1034 +      else wrongLine = false;
 25.1035 +      return sp.left;
 25.1036 +    }
 25.1037 +
 25.1038 +    var bidi = getOrder(lineObj), dist = lineObj.text.length;
 25.1039 +    var from = lineLeft(lineObj), to = lineRight(lineObj);
 25.1040 +    var fromX = paddingLeft(cm.display), toX = getX(to);
 25.1041 +
 25.1042 +    if (x > toX) return {line: lineNo, ch: to, outside: wrongLine};
 25.1043 +    // Do a binary search between these bounds.
 25.1044 +    for (;;) {
 25.1045 +      if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
 25.1046 +        var after = x - fromX < toX - x, ch = after ? from : to;
 25.1047 +        while (isExtendingChar.test(lineObj.text.charAt(ch))) ++ch;
 25.1048 +        return {line: lineNo, ch: ch, after: after, outside: wrongLine};
 25.1049 +      }
 25.1050 +      var step = Math.ceil(dist / 2), middle = from + step;
 25.1051 +      if (bidi) {
 25.1052 +        middle = from;
 25.1053 +        for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
 25.1054 +      }
 25.1055 +      var middleX = getX(middle);
 25.1056 +      if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; dist -= step;}
 25.1057 +      else {from = middle; fromX = middleX; dist = step;}
 25.1058 +    }
 25.1059 +  }
 25.1060 +
 25.1061 +  var measureText;
 25.1062 +  function textHeight(display) {
 25.1063 +    if (display.cachedTextHeight != null) return display.cachedTextHeight;
 25.1064 +    if (measureText == null) {
 25.1065 +      measureText = elt("pre");
 25.1066 +      // Measure a bunch of lines, for browsers that compute
 25.1067 +      // fractional heights.
 25.1068 +      for (var i = 0; i < 49; ++i) {
 25.1069 +        measureText.appendChild(document.createTextNode("x"));
 25.1070 +        measureText.appendChild(elt("br"));
 25.1071 +      }
 25.1072 +      measureText.appendChild(document.createTextNode("x"));
 25.1073 +    }
 25.1074 +    removeChildrenAndAdd(display.measure, measureText);
 25.1075 +    var height = measureText.offsetHeight / 50;
 25.1076 +    if (height > 3) display.cachedTextHeight = height;
 25.1077 +    removeChildren(display.measure);
 25.1078 +    return height || 1;
 25.1079 +  }
 25.1080 +
 25.1081 +  function charWidth(display) {
 25.1082 +    if (display.cachedCharWidth != null) return display.cachedCharWidth;
 25.1083 +    var anchor = elt("span", "x");
 25.1084 +    var pre = elt("pre", [anchor]);
 25.1085 +    removeChildrenAndAdd(display.measure, pre);
 25.1086 +    var width = anchor.offsetWidth;
 25.1087 +    if (width > 2) display.cachedCharWidth = width;
 25.1088 +    return width || 10;
 25.1089 +  }
 25.1090 +
 25.1091 +  // OPERATIONS
 25.1092 +
 25.1093 +  // Operations are used to wrap changes in such a way that each
 25.1094 +  // change won't have to update the cursor and display (which would
 25.1095 +  // be awkward, slow, and error-prone), but instead updates are
 25.1096 +  // batched and then all combined and executed at once.
 25.1097 +
 25.1098 +  function startOperation(cm) {
 25.1099 +    if (cm.curOp) ++cm.curOp.depth;
 25.1100 +    else cm.curOp = {
 25.1101 +      // Nested operations delay update until the outermost one
 25.1102 +      // finishes.
 25.1103 +      depth: 1,
 25.1104 +      // An array of ranges of lines that have to be updated. See
 25.1105 +      // updateDisplay.
 25.1106 +      changes: [],
 25.1107 +      delayedCallbacks: [],
 25.1108 +      updateInput: null,
 25.1109 +      userSelChange: null,
 25.1110 +      textChanged: null,
 25.1111 +      selectionChanged: false,
 25.1112 +      updateMaxLine: false,
 25.1113 +      id: ++cm.nextOpId
 25.1114 +    };
 25.1115 +  }
 25.1116 +
 25.1117 +  function endOperation(cm) {
 25.1118 +    var op = cm.curOp;
 25.1119 +    if (--op.depth) return;
 25.1120 +    cm.curOp = null;
 25.1121 +    var view = cm.view, display = cm.display;
 25.1122 +    if (op.updateMaxLine) computeMaxLength(view);
 25.1123 +    if (view.maxLineChanged && !cm.options.lineWrapping) {
 25.1124 +      var width = measureChar(cm, view.maxLine, view.maxLine.text.length).right;
 25.1125 +      display.sizer.style.minWidth = (width + 3 + scrollerCutOff) + "px";
 25.1126 +      view.maxLineChanged = false;
 25.1127 +    }
 25.1128 +    var newScrollPos, updated;
 25.1129 +    if (op.selectionChanged) {
 25.1130 +      var coords = cursorCoords(cm, view.sel.head);
 25.1131 +      newScrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
 25.1132 +    }
 25.1133 +    if (op.changes.length || newScrollPos && newScrollPos.scrollTop != null)
 25.1134 +      updated = updateDisplay(cm, op.changes, newScrollPos && newScrollPos.scrollTop);
 25.1135 +    if (!updated && op.selectionChanged) updateSelection(cm);
 25.1136 +    if (newScrollPos) scrollCursorIntoView(cm);
 25.1137 +    if (op.selectionChanged) restartBlink(cm);
 25.1138 +
 25.1139 +    if (view.focused && op.updateInput)
 25.1140 +      resetInput(cm, op.userSelChange);
 25.1141 +
 25.1142 +    if (op.textChanged)
 25.1143 +      signal(cm, "change", cm, op.textChanged);
 25.1144 +    if (op.selectionChanged) signal(cm, "cursorActivity", cm);
 25.1145 +    for (var i = 0; i < op.delayedCallbacks.length; ++i) op.delayedCallbacks[i](cm);
 25.1146 +  }
 25.1147 +
 25.1148 +  // Wraps a function in an operation. Returns the wrapped function.
 25.1149 +  function operation(cm1, f) {
 25.1150 +    return function() {
 25.1151 +      var cm = cm1 || this;
 25.1152 +      startOperation(cm);
 25.1153 +      try {var result = f.apply(cm, arguments);}
 25.1154 +      finally {endOperation(cm);}
 25.1155 +      return result;
 25.1156 +    };
 25.1157 +  }
 25.1158 +
 25.1159 +  function regChange(cm, from, to, lendiff) {
 25.1160 +    cm.curOp.changes.push({from: from, to: to, diff: lendiff});
 25.1161 +  }
 25.1162 +
 25.1163 +  // INPUT HANDLING
 25.1164 +
 25.1165 +  function slowPoll(cm) {
 25.1166 +    if (cm.view.pollingFast) return;
 25.1167 +    cm.display.poll.set(cm.options.pollInterval, function() {
 25.1168 +      readInput(cm);
 25.1169 +      if (cm.view.focused) slowPoll(cm);
 25.1170 +    });
 25.1171 +  }
 25.1172 +
 25.1173 +  function fastPoll(cm) {
 25.1174 +    var missed = false;
 25.1175 +    cm.display.pollingFast = true;
 25.1176 +    function p() {
 25.1177 +      var changed = readInput(cm);
 25.1178 +      if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);}
 25.1179 +      else {cm.display.pollingFast = false; slowPoll(cm);}
 25.1180 +    }
 25.1181 +    cm.display.poll.set(20, p);
 25.1182 +  }
 25.1183 +
 25.1184 +  // prevInput is a hack to work with IME. If we reset the textarea
 25.1185 +  // on every change, that breaks IME. So we look for changes
 25.1186 +  // compared to the previous content instead. (Modern browsers have
 25.1187 +  // events that indicate IME taking place, but these are not widely
 25.1188 +  // supported or compatible enough yet to rely on.)
 25.1189 +  function readInput(cm) {
 25.1190 +    var input = cm.display.input, prevInput = cm.display.prevInput, view = cm.view, sel = view.sel;
 25.1191 +    if (!view.focused || hasSelection(input) || isReadOnly(cm)) return false;
 25.1192 +    var text = input.value;
 25.1193 +    if (text == prevInput && posEq(sel.from, sel.to)) return false;
 25.1194 +    startOperation(cm);
 25.1195 +    view.sel.shift = false;
 25.1196 +    var same = 0, l = Math.min(prevInput.length, text.length);
 25.1197 +    while (same < l && prevInput[same] == text[same]) ++same;
 25.1198 +    var from = sel.from, to = sel.to;
 25.1199 +    if (same < prevInput.length)
 25.1200 +      from = {line: from.line, ch: from.ch - (prevInput.length - same)};
 25.1201 +    else if (view.overwrite && posEq(from, to) && !cm.display.pasteIncoming)
 25.1202 +      to = {line: to.line, ch: Math.min(getLine(cm.view.doc, to.line).text.length, to.ch + (text.length - same))};
 25.1203 +    var updateInput = cm.curOp.updateInput;
 25.1204 +    updateDoc(cm, from, to, splitLines(text.slice(same)), "end",
 25.1205 +              cm.display.pasteIncoming ? "paste" : "input", {from: from, to: to});
 25.1206 +    cm.curOp.updateInput = updateInput;
 25.1207 +    if (text.length > 1000) input.value = cm.display.prevInput = "";
 25.1208 +    else cm.display.prevInput = text;
 25.1209 +    endOperation(cm);
 25.1210 +    cm.display.pasteIncoming = false;
 25.1211 +    return true;
 25.1212 +  }
 25.1213 +
 25.1214 +  function resetInput(cm, user) {
 25.1215 +    var view = cm.view, minimal, selected;
 25.1216 +    if (!posEq(view.sel.from, view.sel.to)) {
 25.1217 +      cm.display.prevInput = "";
 25.1218 +      minimal = hasCopyEvent &&
 25.1219 +        (view.sel.to.line - view.sel.from.line > 100 || (selected = cm.getSelection()).length > 1000);
 25.1220 +      if (minimal) cm.display.input.value = "-";
 25.1221 +      else cm.display.input.value = selected || cm.getSelection();
 25.1222 +      if (view.focused) selectInput(cm.display.input);
 25.1223 +    } else if (user) cm.display.prevInput = cm.display.input.value = "";
 25.1224 +    cm.display.inaccurateSelection = minimal;
 25.1225 +  }
 25.1226 +
 25.1227 +  function focusInput(cm) {
 25.1228 +    if (cm.options.readOnly != "nocursor" && (ie || document.activeElement != cm.display.input))
 25.1229 +      cm.display.input.focus();
 25.1230 +  }
 25.1231 +
 25.1232 +  function isReadOnly(cm) {
 25.1233 +    return cm.options.readOnly || cm.view.cantEdit;
 25.1234 +  }
 25.1235 +
 25.1236 +  // EVENT HANDLERS
 25.1237 +
 25.1238 +  function registerEventHandlers(cm) {
 25.1239 +    var d = cm.display;
 25.1240 +    on(d.scroller, "mousedown", operation(cm, onMouseDown));
 25.1241 +    on(d.scroller, "dblclick", operation(cm, e_preventDefault));
 25.1242 +    on(d.lineSpace, "selectstart", function(e) {
 25.1243 +      if (!mouseEventInWidget(d, e)) e_preventDefault(e);
 25.1244 +    });
 25.1245 +    // Gecko browsers fire contextmenu *after* opening the menu, at
 25.1246 +    // which point we can't mess with it anymore. Context menu is
 25.1247 +    // handled in onMouseDown for Gecko.
 25.1248 +    if (!gecko) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
 25.1249 +
 25.1250 +    on(d.scroller, "scroll", function() {
 25.1251 +      setScrollTop(cm, d.scroller.scrollTop);
 25.1252 +      setScrollLeft(cm, d.scroller.scrollLeft, true);
 25.1253 +      signal(cm, "scroll", cm);
 25.1254 +    });
 25.1255 +    on(d.scrollbarV, "scroll", function() {
 25.1256 +      setScrollTop(cm, d.scrollbarV.scrollTop);
 25.1257 +    });
 25.1258 +    on(d.scrollbarH, "scroll", function() {
 25.1259 +      setScrollLeft(cm, d.scrollbarH.scrollLeft);
 25.1260 +    });
 25.1261 +
 25.1262 +    on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
 25.1263 +    on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
 25.1264 +
 25.1265 +    function reFocus() { if (cm.view.focused) setTimeout(bind(focusInput, cm), 0); }
 25.1266 +    on(d.scrollbarH, "mousedown", reFocus);
 25.1267 +    on(d.scrollbarV, "mousedown", reFocus);
 25.1268 +    // Prevent wrapper from ever scrolling
 25.1269 +    on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
 25.1270 +    on(window, "resize", function resizeHandler() {
 25.1271 +      // Might be a text scaling operation, clear size caches.
 25.1272 +      d.cachedCharWidth = d.cachedTextHeight = null;
 25.1273 +      clearCaches(cm);
 25.1274 +      if (d.wrapper.parentNode) updateDisplay(cm, true);
 25.1275 +      else off(window, "resize", resizeHandler);
 25.1276 +    });
 25.1277 +
 25.1278 +    on(d.input, "keyup", operation(cm, function(e) {
 25.1279 +      if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
 25.1280 +      if (e_prop(e, "keyCode") == 16) cm.view.sel.shift = false;
 25.1281 +    }));
 25.1282 +    on(d.input, "input", bind(fastPoll, cm));
 25.1283 +    on(d.input, "keydown", operation(cm, onKeyDown));
 25.1284 +    on(d.input, "keypress", operation(cm, onKeyPress));
 25.1285 +    on(d.input, "focus", bind(onFocus, cm));
 25.1286 +    on(d.input, "blur", bind(onBlur, cm));
 25.1287 +
 25.1288 +    function drag_(e) {
 25.1289 +      if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
 25.1290 +      e_stop(e);
 25.1291 +    }
 25.1292 +    if (cm.options.dragDrop) {
 25.1293 +      on(d.scroller, "dragstart", function(e){onDragStart(cm, e);});
 25.1294 +      on(d.scroller, "dragenter", drag_);
 25.1295 +      on(d.scroller, "dragover", drag_);
 25.1296 +      on(d.scroller, "drop", operation(cm, onDrop));
 25.1297 +    }
 25.1298 +    on(d.scroller, "paste", function(){focusInput(cm); fastPoll(cm);});
 25.1299 +    on(d.input, "paste", function() {
 25.1300 +      d.pasteIncoming = true;
 25.1301 +      fastPoll(cm);
 25.1302 +    });
 25.1303 +
 25.1304 +    function prepareCopy() {
 25.1305 +      if (d.inaccurateSelection) {
 25.1306 +        d.prevInput = "";
 25.1307 +        d.inaccurateSelection = false;
 25.1308 +        d.input.value = cm.getSelection();
 25.1309 +        selectInput(d.input);
 25.1310 +      }
 25.1311 +    }
 25.1312 +    on(d.input, "cut", prepareCopy);
 25.1313 +    on(d.input, "copy", prepareCopy);
 25.1314 +
 25.1315 +    // Needed to handle Tab key in KHTML
 25.1316 +    if (khtml) on(d.sizer, "mouseup", function() {
 25.1317 +        if (document.activeElement == d.input) d.input.blur();
 25.1318 +        focusInput(cm);
 25.1319 +    });
 25.1320 +  }
 25.1321 +
 25.1322 +  function mouseEventInWidget(display, e) {
 25.1323 +    for (var n = e_target(e); n != display.wrapper; n = n.parentNode)
 25.1324 +      if (/\bCodeMirror-(?:line)?widget\b/.test(n.className) ||
 25.1325 +          n.parentNode == display.sizer && n != display.mover) return true;
 25.1326 +  }
 25.1327 +
 25.1328 +  function posFromMouse(cm, e, liberal) {
 25.1329 +    var display = cm.display;
 25.1330 +    if (!liberal) {
 25.1331 +      var target = e_target(e);
 25.1332 +      if (target == display.scrollbarH || target == display.scrollbarH.firstChild ||
 25.1333 +          target == display.scrollbarV || target == display.scrollbarV.firstChild ||
 25.1334 +          target == display.scrollbarFiller) return null;
 25.1335 +    }
 25.1336 +    var x, y, space = display.lineSpace.getBoundingClientRect();
 25.1337 +    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
 25.1338 +    try { x = e.clientX; y = e.clientY; } catch (e) { return null; }
 25.1339 +    return coordsChar(cm, x - space.left, y - space.top);
 25.1340 +  }
 25.1341 +
 25.1342 +  var lastClick, lastDoubleClick;
 25.1343 +  function onMouseDown(e) {
 25.1344 +    var cm = this, display = cm.display, view = cm.view, sel = view.sel, doc = view.doc;
 25.1345 +    sel.shift = e_prop(e, "shiftKey");
 25.1346 +
 25.1347 +    if (mouseEventInWidget(display, e)) {
 25.1348 +      if (!webkit) {
 25.1349 +        display.scroller.draggable = false;
 25.1350 +        setTimeout(function(){display.scroller.draggable = true;}, 100);
 25.1351 +      }
 25.1352 +      return;
 25.1353 +    }
 25.1354 +    if (clickInGutter(cm, e)) return;
 25.1355 +    var start = posFromMouse(cm, e);
 25.1356 +
 25.1357 +    switch (e_button(e)) {
 25.1358 +    case 3:
 25.1359 +      if (gecko) onContextMenu.call(cm, cm, e);
 25.1360 +      return;
 25.1361 +    case 2:
 25.1362 +      if (start) extendSelection(cm, start);
 25.1363 +      setTimeout(bind(focusInput, cm), 20);
 25.1364 +      e_preventDefault(e);
 25.1365 +      return;
 25.1366 +    }
 25.1367 +    // For button 1, if it was clicked inside the editor
 25.1368 +    // (posFromMouse returning non-null), we have to adjust the
 25.1369 +    // selection.
 25.1370 +    if (!start) {if (e_target(e) == display.scroller) e_preventDefault(e); return;}
 25.1371 +
 25.1372 +    if (!view.focused) onFocus(cm);
 25.1373 +
 25.1374 +    var now = +new Date, type = "single";
 25.1375 +    if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) {
 25.1376 +      type = "triple";
 25.1377 +      e_preventDefault(e);
 25.1378 +      setTimeout(bind(focusInput, cm), 20);
 25.1379 +      selectLine(cm, start.line);
 25.1380 +    } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) {
 25.1381 +      type = "double";
 25.1382 +      lastDoubleClick = {time: now, pos: start};
 25.1383 +      e_preventDefault(e);
 25.1384 +      var word = findWordAt(getLine(doc, start.line).text, start);
 25.1385 +      extendSelection(cm, word.from, word.to);
 25.1386 +    } else { lastClick = {time: now, pos: start}; }
 25.1387 +
 25.1388 +    var last = start;
 25.1389 +    if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && !posEq(sel.from, sel.to) &&
 25.1390 +        !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") {
 25.1391 +      var dragEnd = operation(cm, function(e2) {
 25.1392 +        if (webkit) display.scroller.draggable = false;
 25.1393 +        view.draggingText = false;
 25.1394 +        off(document, "mouseup", dragEnd);
 25.1395 +        off(display.scroller, "drop", dragEnd);
 25.1396 +        if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
 25.1397 +          e_preventDefault(e2);
 25.1398 +          extendSelection(cm, start);
 25.1399 +          focusInput(cm);
 25.1400 +        }
 25.1401 +      });
 25.1402 +      // Let the drag handler handle this.
 25.1403 +      if (webkit) display.scroller.draggable = true;
 25.1404 +      view.draggingText = dragEnd;
 25.1405 +      // IE's approach to draggable
 25.1406 +      if (display.scroller.dragDrop) display.scroller.dragDrop();
 25.1407 +      on(document, "mouseup", dragEnd);
 25.1408 +      on(display.scroller, "drop", dragEnd);
 25.1409 +      return;
 25.1410 +    }
 25.1411 +    e_preventDefault(e);
 25.1412 +    if (type == "single") extendSelection(cm, clipPos(doc, start));
 25.1413 +
 25.1414 +    var startstart = sel.from, startend = sel.to;
 25.1415 +
 25.1416 +    function doSelect(cur) {
 25.1417 +      if (type == "single") {
 25.1418 +        extendSelection(cm, clipPos(doc, start), cur);
 25.1419 +        return;
 25.1420 +      }
 25.1421 +
 25.1422 +      startstart = clipPos(doc, startstart);
 25.1423 +      startend = clipPos(doc, startend);
 25.1424 +      if (type == "double") {
 25.1425 +        var word = findWordAt(getLine(doc, cur.line).text, cur);
 25.1426 +        if (posLess(cur, startstart)) extendSelection(cm, word.from, startend);
 25.1427 +        else extendSelection(cm, startstart, word.to);
 25.1428 +      } else if (type == "triple") {
 25.1429 +        if (posLess(cur, startstart)) extendSelection(cm, startend, clipPos(doc, {line: cur.line, ch: 0}));
 25.1430 +        else extendSelection(cm, startstart, clipPos(doc, {line: cur.line + 1, ch: 0}));
 25.1431 +      }
 25.1432 +    }
 25.1433 +
 25.1434 +    var editorSize = display.wrapper.getBoundingClientRect();
 25.1435 +    // Used to ensure timeout re-tries don't fire when another extend
 25.1436 +    // happened in the meantime (clearTimeout isn't reliable -- at
 25.1437 +    // least on Chrome, the timeouts still happen even when cleared,
 25.1438 +    // if the clear happens after their scheduled firing time).
 25.1439 +    var counter = 0;
 25.1440 +
 25.1441 +    function extend(e) {
 25.1442 +      var curCount = ++counter;
 25.1443 +      var cur = posFromMouse(cm, e, true);
 25.1444 +      if (!cur) return;
 25.1445 +      if (!posEq(cur, last)) {
 25.1446 +        if (!view.focused) onFocus(cm);
 25.1447 +        last = cur;
 25.1448 +        doSelect(cur);
 25.1449 +        var visible = visibleLines(display, doc);
 25.1450 +        if (cur.line >= visible.to || cur.line < visible.from)
 25.1451 +          setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
 25.1452 +      } else {
 25.1453 +        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
 25.1454 +        if (outside) setTimeout(operation(cm, function() {
 25.1455 +          if (counter != curCount) return;
 25.1456 +          display.scroller.scrollTop += outside;
 25.1457 +          extend(e);
 25.1458 +        }), 50);
 25.1459 +      }
 25.1460 +    }
 25.1461 +
 25.1462 +    function done(e) {
 25.1463 +      counter = Infinity;
 25.1464 +      var cur = posFromMouse(cm, e);
 25.1465 +      if (cur) doSelect(cur);
 25.1466 +      e_preventDefault(e);
 25.1467 +      focusInput(cm);
 25.1468 +      off(document, "mousemove", move);
 25.1469 +      off(document, "mouseup", up);
 25.1470 +    }
 25.1471 +
 25.1472 +    var move = operation(cm, function(e) {
 25.1473 +      if (!ie && !e_button(e)) done(e);
 25.1474 +      else extend(e);
 25.1475 +    });
 25.1476 +    var up = operation(cm, done);
 25.1477 +    on(document, "mousemove", move);
 25.1478 +    on(document, "mouseup", up);
 25.1479 +  }
 25.1480 +
 25.1481 +  function onDrop(e) {
 25.1482 +    var cm = this;
 25.1483 +    if (cm.options.onDragEvent && cm.options.onDragEvent(cm, addStop(e))) return;
 25.1484 +    e_preventDefault(e);
 25.1485 +    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
 25.1486 +    if (!pos || isReadOnly(cm)) return;
 25.1487 +    if (files && files.length && window.FileReader && window.File) {
 25.1488 +      var n = files.length, text = Array(n), read = 0;
 25.1489 +      var loadFile = function(file, i) {
 25.1490 +        var reader = new FileReader;
 25.1491 +        reader.onload = function() {
 25.1492 +          text[i] = reader.result;
 25.1493 +          if (++read == n) {
 25.1494 +            pos = clipPos(cm.view.doc, pos);
 25.1495 +            operation(cm, function() {
 25.1496 +              var end = replaceRange(cm, text.join(""), pos, pos, "paste");
 25.1497 +              setSelection(cm, pos, end);
 25.1498 +            })();
 25.1499 +          }
 25.1500 +        };
 25.1501 +        reader.readAsText(file);
 25.1502 +      };
 25.1503 +      for (var i = 0; i < n; ++i) loadFile(files[i], i);
 25.1504 +    } else {
 25.1505 +      // Don't do a replace if the drop happened inside of the selected text.
 25.1506 +      if (cm.view.draggingText && !(posLess(pos, cm.view.sel.from) || posLess(cm.view.sel.to, pos))) {
 25.1507 +        cm.view.draggingText(e);
 25.1508 +        if (ie) setTimeout(bind(focusInput, cm), 50);
 25.1509 +        return;
 25.1510 +      }
 25.1511 +      try {
 25.1512 +        var text = e.dataTransfer.getData("Text");
 25.1513 +        if (text) {
 25.1514 +          var curFrom = cm.view.sel.from, curTo = cm.view.sel.to;
 25.1515 +          setSelection(cm, pos, pos);
 25.1516 +          if (cm.view.draggingText) replaceRange(cm, "", curFrom, curTo, "paste");
 25.1517 +          cm.replaceSelection(text, null, "paste");
 25.1518 +          focusInput(cm);
 25.1519 +          onFocus(cm);
 25.1520 +        }
 25.1521 +      }
 25.1522 +      catch(e){}
 25.1523 +    }
 25.1524 +  }
 25.1525 +
 25.1526 +  function clickInGutter(cm, e) {
 25.1527 +    var display = cm.display;
 25.1528 +    try { var mX = e.clientX, mY = e.clientY; }
 25.1529 +    catch(e) { return false; }
 25.1530 +
 25.1531 +    if (mX >= Math.floor(display.gutters.getBoundingClientRect().right)) return false;
 25.1532 +    e_preventDefault(e);
 25.1533 +    if (!hasHandler(cm, "gutterClick")) return true;
 25.1534 +
 25.1535 +    var lineBox = display.lineDiv.getBoundingClientRect();
 25.1536 +    if (mY > lineBox.bottom) return true;
 25.1537 +    mY -= lineBox.top - display.viewOffset;
 25.1538 +
 25.1539 +    for (var i = 0; i < cm.options.gutters.length; ++i) {
 25.1540 +      var g = display.gutters.childNodes[i];
 25.1541 +      if (g && g.getBoundingClientRect().right >= mX) {
 25.1542 +        var line = lineAtHeight(cm.view.doc, mY);
 25.1543 +        var gutter = cm.options.gutters[i];
 25.1544 +        signalLater(cm, cm, "gutterClick", cm, line, gutter, e);
 25.1545 +        break;
 25.1546 +      }
 25.1547 +    }
 25.1548 +    return true;
 25.1549 +  }
 25.1550 +
 25.1551 +  function onDragStart(cm, e) {
 25.1552 +    var txt = cm.getSelection();
 25.1553 +    e.dataTransfer.setData("Text", txt);
 25.1554 +
 25.1555 +    // Use dummy image instead of default browsers image.
 25.1556 +    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
 25.1557 +    if (e.dataTransfer.setDragImage && !safari)
 25.1558 +      e.dataTransfer.setDragImage(elt('img'), 0, 0);
 25.1559 +  }
 25.1560 +
 25.1561 +  function setScrollTop(cm, val) {
 25.1562 +    if (Math.abs(cm.view.scrollTop - val) < 2) return;
 25.1563 +    cm.view.scrollTop = val;
 25.1564 +    if (!gecko) updateDisplay(cm, [], val);
 25.1565 +    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
 25.1566 +    if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val;
 25.1567 +    if (gecko) updateDisplay(cm, []);
 25.1568 +  }
 25.1569 +  function setScrollLeft(cm, val, isScroller) {
 25.1570 +    if (isScroller ? val == cm.view.scrollLeft : Math.abs(cm.view.scrollLeft - val) < 2) return;
 25.1571 +    cm.view.scrollLeft = val;
 25.1572 +    alignHorizontally(cm);
 25.1573 +    if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
 25.1574 +    if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val;
 25.1575 +  }
 25.1576 +
 25.1577 +  // Since the delta values reported on mouse wheel events are
 25.1578 +  // unstandardized between browsers and even browser versions, and
 25.1579 +  // generally horribly unpredictable, this code starts by measuring
 25.1580 +  // the scroll effect that the first few mouse wheel events have,
 25.1581 +  // and, from that, detects the way it can convert deltas to pixel
 25.1582 +  // offsets afterwards.
 25.1583 +  //
 25.1584 +  // The reason we want to know the amount a wheel event will scroll
 25.1585 +  // is that it gives us a chance to update the display before the
 25.1586 +  // actual scrolling happens, reducing flickering.
 25.1587 +
 25.1588 +  var wheelSamples = 0, wheelDX, wheelDY, wheelStartX, wheelStartY, wheelPixelsPerUnit = null;
 25.1589 +  // Fill in a browser-detected starting value on browsers where we
 25.1590 +  // know one. These don't have to be accurate -- the result of them
 25.1591 +  // being wrong would just be a slight flicker on the first wheel
 25.1592 +  // scroll (if it is large enough).
 25.1593 +  if (ie) wheelPixelsPerUnit = -.53;
 25.1594 +  else if (gecko) wheelPixelsPerUnit = 15;
 25.1595 +  else if (chrome) wheelPixelsPerUnit = -.7;
 25.1596 +  else if (safari) wheelPixelsPerUnit = -1/3;
 25.1597 +
 25.1598 +  function onScrollWheel(cm, e) {
 25.1599 +    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
 25.1600 +    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
 25.1601 +    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
 25.1602 +    else if (dy == null) dy = e.wheelDelta;
 25.1603 +
 25.1604 +    // Webkit browsers on OS X abort momentum scrolls when the target
 25.1605 +    // of the scroll event is removed from the scrollable element.
 25.1606 +    // This hack (see related code in patchDisplay) makes sure the
 25.1607 +    // element is kept around.
 25.1608 +    if (dy && mac && webkit) {
 25.1609 +      for (var cur = e.target; cur != scroll; cur = cur.parentNode) {
 25.1610 +        if (cur.lineObj) {
 25.1611 +          cm.display.currentWheelTarget = cur;
 25.1612 +          break;
 25.1613 +        }
 25.1614 +      }
 25.1615 +    }
 25.1616 +
 25.1617 +    var scroll = cm.display.scroller;
 25.1618 +    // On some browsers, horizontal scrolling will cause redraws to
 25.1619 +    // happen before the gutter has been realigned, causing it to
 25.1620 +    // wriggle around in a most unseemly way. When we have an
 25.1621 +    // estimated pixels/delta value, we just handle horizontal
 25.1622 +    // scrolling entirely here. It'll be slightly off from native, but
 25.1623 +    // better than glitching out.
 25.1624 +    if (dx && !gecko && !opera && wheelPixelsPerUnit != null) {
 25.1625 +      if (dy)
 25.1626 +        setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
 25.1627 +      setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
 25.1628 +      e_preventDefault(e);
 25.1629 +      wheelStartX = null; // Abort measurement, if in progress
 25.1630 +      return;
 25.1631 +    }
 25.1632 +
 25.1633 +    if (dy && wheelPixelsPerUnit != null) {
 25.1634 +      var pixels = dy * wheelPixelsPerUnit;
 25.1635 +      var top = cm.view.scrollTop, bot = top + cm.display.wrapper.clientHeight;
 25.1636 +      if (pixels < 0) top = Math.max(0, top + pixels - 50);
 25.1637 +      else bot = Math.min(cm.view.doc.height, bot + pixels + 50);
 25.1638 +      updateDisplay(cm, [], {top: top, bottom: bot});
 25.1639 +    }
 25.1640 +
 25.1641 +    if (wheelSamples < 20) {
 25.1642 +      if (wheelStartX == null) {
 25.1643 +        wheelStartX = scroll.scrollLeft; wheelStartY = scroll.scrollTop;
 25.1644 +        wheelDX = dx; wheelDY = dy;
 25.1645 +        setTimeout(function() {
 25.1646 +          if (wheelStartX == null) return;
 25.1647 +          var movedX = scroll.scrollLeft - wheelStartX;
 25.1648 +          var movedY = scroll.scrollTop - wheelStartY;
 25.1649 +          var sample = (movedY && wheelDY && movedY / wheelDY) ||
 25.1650 +            (movedX && wheelDX && movedX / wheelDX);
 25.1651 +          wheelStartX = wheelStartY = null;
 25.1652 +          if (!sample) return;
 25.1653 +          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
 25.1654 +          ++wheelSamples;
 25.1655 +        }, 200);
 25.1656 +      } else {
 25.1657 +        wheelDX += dx; wheelDY += dy;
 25.1658 +      }
 25.1659 +    }
 25.1660 +  }
 25.1661 +
 25.1662 +  function doHandleBinding(cm, bound, dropShift) {
 25.1663 +    if (typeof bound == "string") {
 25.1664 +      bound = commands[bound];
 25.1665 +      if (!bound) return false;
 25.1666 +    }
 25.1667 +    // Ensure previous input has been read, so that the handler sees a
 25.1668 +    // consistent view of the document
 25.1669 +    if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false;
 25.1670 +    var view = cm.view, prevShift = view.sel.shift;
 25.1671 +    try {
 25.1672 +      if (isReadOnly(cm)) view.suppressEdits = true;
 25.1673 +      if (dropShift) view.sel.shift = false;
 25.1674 +      bound(cm);
 25.1675 +    } catch(e) {
 25.1676 +      if (e != Pass) throw e;
 25.1677 +      return false;
 25.1678 +    } finally {
 25.1679 +      view.sel.shift = prevShift;
 25.1680 +      view.suppressEdits = false;
 25.1681 +    }
 25.1682 +    return true;
 25.1683 +  }
 25.1684 +
 25.1685 +  function allKeyMaps(cm) {
 25.1686 +    var maps = cm.view.keyMaps.slice(0);
 25.1687 +    maps.push(cm.options.keyMap);
 25.1688 +    if (cm.options.extraKeys) maps.unshift(cm.options.extraKeys);
 25.1689 +    return maps;
 25.1690 +  }
 25.1691 +
 25.1692 +  var maybeTransition;
 25.1693 +  function handleKeyBinding(cm, e) {
 25.1694 +    // Handle auto keymap transitions
 25.1695 +    var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto;
 25.1696 +    clearTimeout(maybeTransition);
 25.1697 +    if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() {
 25.1698 +      if (getKeyMap(cm.options.keyMap) == startMap)
 25.1699 +        cm.options.keyMap = (next.call ? next.call(null, cm) : next);
 25.1700 +    }, 50);
 25.1701 +
 25.1702 +    var name = keyNames[e_prop(e, "keyCode")], handled = false;
 25.1703 +    var flipCtrlCmd = mac && (opera || qtwebkit);
 25.1704 +    if (name == null || e.altGraphKey) return false;
 25.1705 +    if (e_prop(e, "altKey")) name = "Alt-" + name;
 25.1706 +    if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name;
 25.1707 +    if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name;
 25.1708 +
 25.1709 +    var stopped = false;
 25.1710 +    function stop() { stopped = true; }
 25.1711 +    var keymaps = allKeyMaps(cm);
 25.1712 +
 25.1713 +    if (e_prop(e, "shiftKey")) {
 25.1714 +      handled = lookupKey("Shift-" + name, keymaps,
 25.1715 +                          function(b) {return doHandleBinding(cm, b, true);}, stop)
 25.1716 +        || lookupKey(name, keymaps, function(b) {
 25.1717 +          if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(cm, b);
 25.1718 +        }, stop);
 25.1719 +    } else {
 25.1720 +      handled = lookupKey(name, keymaps,
 25.1721 +                          function(b) { return doHandleBinding(cm, b); }, stop);
 25.1722 +    }
 25.1723 +    if (stopped) handled = false;
 25.1724 +    if (handled) {
 25.1725 +      e_preventDefault(e);
 25.1726 +      restartBlink(cm);
 25.1727 +      if (ie_lt9) { e.oldKeyCode = e.keyCode; e.keyCode = 0; }
 25.1728 +    }
 25.1729 +    return handled;
 25.1730 +  }
 25.1731 +
 25.1732 +  function handleCharBinding(cm, e, ch) {
 25.1733 +    var handled = lookupKey("'" + ch + "'", allKeyMaps(cm),
 25.1734 +                            function(b) { return doHandleBinding(cm, b, true); });
 25.1735 +    if (handled) {
 25.1736 +      e_preventDefault(e);
 25.1737 +      restartBlink(cm);
 25.1738 +    }
 25.1739 +    return handled;
 25.1740 +  }
 25.1741 +
 25.1742 +  var lastStoppedKey = null;
 25.1743 +  function onKeyDown(e) {
 25.1744 +    var cm = this;
 25.1745 +    if (!cm.view.focused) onFocus(cm);
 25.1746 +    if (ie && e.keyCode == 27) { e.returnValue = false; }
 25.1747 +    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
 25.1748 +    var code = e_prop(e, "keyCode");
 25.1749 +    // IE does strange things with escape.
 25.1750 +    cm.view.sel.shift = code == 16 || e_prop(e, "shiftKey");
 25.1751 +    // First give onKeyEvent option a chance to handle this.
 25.1752 +    var handled = handleKeyBinding(cm, e);
 25.1753 +    if (opera) {
 25.1754 +      lastStoppedKey = handled ? code : null;
 25.1755 +      // Opera has no cut event... we try to at least catch the key combo
 25.1756 +      if (!handled && code == 88 && !hasCopyEvent && e_prop(e, mac ? "metaKey" : "ctrlKey"))
 25.1757 +        cm.replaceSelection("");
 25.1758 +    }
 25.1759 +  }
 25.1760 +
 25.1761 +  function onKeyPress(e) {
 25.1762 +    var cm = this;
 25.1763 +    if (cm.options.onKeyEvent && cm.options.onKeyEvent(cm, addStop(e))) return;
 25.1764 +    var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode");
 25.1765 +    if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
 25.1766 +    if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return;
 25.1767 +    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
 25.1768 +    if (this.options.electricChars && this.view.mode.electricChars &&
 25.1769 +        this.options.smartIndent && !isReadOnly(this) &&
 25.1770 +        this.view.mode.electricChars.indexOf(ch) > -1)
 25.1771 +      setTimeout(operation(cm, function() {indentLine(cm, cm.view.sel.to.line, "smart");}), 75);
 25.1772 +    if (handleCharBinding(cm, e, ch)) return;
 25.1773 +    fastPoll(cm);
 25.1774 +  }
 25.1775 +
 25.1776 +  function onFocus(cm) {
 25.1777 +    if (cm.options.readOnly == "nocursor") return;
 25.1778 +    if (!cm.view.focused) {
 25.1779 +      signal(cm, "focus", cm);
 25.1780 +      cm.view.focused = true;
 25.1781 +      if (cm.display.scroller.className.search(/\bCodeMirror-focused\b/) == -1)
 25.1782 +        cm.display.scroller.className += " CodeMirror-focused";
 25.1783 +      resetInput(cm, true);
 25.1784 +    }
 25.1785 +    slowPoll(cm);
 25.1786 +    restartBlink(cm);
 25.1787 +  }
 25.1788 +  function onBlur(cm) {
 25.1789 +    if (cm.view.focused) {
 25.1790 +      signal(cm, "blur", cm);
 25.1791 +      cm.view.focused = false;
 25.1792 +      cm.display.scroller.className = cm.display.scroller.className.replace(" CodeMirror-focused", "");
 25.1793 +    }
 25.1794 +    clearInterval(cm.display.blinker);
 25.1795 +    setTimeout(function() {if (!cm.view.focused) cm.view.sel.shift = false;}, 150);
 25.1796 +  }
 25.1797 +
 25.1798 +  var detectingSelectAll;
 25.1799 +  function onContextMenu(cm, e) {
 25.1800 +    var display = cm.display, sel = cm.view.sel;
 25.1801 +    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
 25.1802 +    if (!pos || opera) return; // Opera is difficult.
 25.1803 +    if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to))
 25.1804 +      operation(cm, setSelection)(cm, pos, pos);
 25.1805 +
 25.1806 +    var oldCSS = display.input.style.cssText;
 25.1807 +    display.inputDiv.style.position = "absolute";
 25.1808 +    display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
 25.1809 +      "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; outline: none;" +
 25.1810 +      "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
 25.1811 +    focusInput(cm);
 25.1812 +    resetInput(cm, true);
 25.1813 +    // Adds "Select all" to context menu in FF
 25.1814 +    if (posEq(sel.from, sel.to)) display.input.value = display.prevInput = " ";
 25.1815 +
 25.1816 +    function rehide() {
 25.1817 +      display.inputDiv.style.position = "relative";
 25.1818 +      display.input.style.cssText = oldCSS;
 25.1819 +      if (ie_lt9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos;
 25.1820 +      slowPoll(cm);
 25.1821 +
 25.1822 +      // Try to detect the user choosing select-all 
 25.1823 +      if (display.input.selectionStart != null) {
 25.1824 +        clearTimeout(detectingSelectAll);
 25.1825 +        var extval = display.input.value = " " + (posEq(sel.from, sel.to) ? "" : display.input.value), i = 0;
 25.1826 +        display.prevInput = " ";
 25.1827 +        display.input.selectionStart = 1; display.input.selectionEnd = extval.length;
 25.1828 +        detectingSelectAll = setTimeout(function poll(){
 25.1829 +          if (display.prevInput == " " && display.input.selectionStart == 0)
 25.1830 +            operation(cm, commands.selectAll)(cm);
 25.1831 +          else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500);
 25.1832 +          else resetInput(cm);
 25.1833 +        }, 200);
 25.1834 +      }
 25.1835 +    }
 25.1836 +
 25.1837 +    if (gecko) {
 25.1838 +      e_stop(e);
 25.1839 +      on(window, "mouseup", function mouseup() {
 25.1840 +        off(window, "mouseup", mouseup);
 25.1841 +        setTimeout(rehide, 20);
 25.1842 +      });
 25.1843 +    } else {
 25.1844 +      setTimeout(rehide, 50);
 25.1845 +    }
 25.1846 +  }
 25.1847 +
 25.1848 +  // UPDATING
 25.1849 +
 25.1850 +  // Replace the range from from to to by the strings in newText.
 25.1851 +  // Afterwards, set the selection to selFrom, selTo.
 25.1852 +  function updateDoc(cm, from, to, newText, selUpdate, origin) {
 25.1853 +    // Possibly split or suppress the update based on the presence
 25.1854 +    // of read-only spans in its range.
 25.1855 +    var split = sawReadOnlySpans &&
 25.1856 +      removeReadOnlyRanges(cm.view.doc, from, to);
 25.1857 +    if (split) {
 25.1858 +      for (var i = split.length - 1; i >= 1; --i)
 25.1859 +        updateDocInner(cm, split[i].from, split[i].to, [""], origin);
 25.1860 +      if (split.length)
 25.1861 +        return updateDocInner(cm, split[0].from, split[0].to, newText, selUpdate, origin);
 25.1862 +    } else {
 25.1863 +      return updateDocInner(cm, from, to, newText, selUpdate, origin);
 25.1864 +    }
 25.1865 +  }
 25.1866 +
 25.1867 +  function updateDocInner(cm, from, to, newText, selUpdate, origin) {
 25.1868 +    if (cm.view.suppressEdits) return;
 25.1869 +
 25.1870 +    var view = cm.view, doc = view.doc, old = [];
 25.1871 +    doc.iter(from.line, to.line + 1, function(line) {
 25.1872 +      old.push(newHL(line.text, line.markedSpans));
 25.1873 +    });
 25.1874 +    var startSelFrom = view.sel.from, startSelTo = view.sel.to;
 25.1875 +    var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText);
 25.1876 +    var retval = updateDocNoUndo(cm, from, to, lines, selUpdate, origin);
 25.1877 +    if (view.history) addChange(cm, from.line, newText.length, old, origin,
 25.1878 +                                startSelFrom, startSelTo, view.sel.from, view.sel.to);
 25.1879 +    return retval;
 25.1880 +  }
 25.1881 +
 25.1882 +  function unredoHelper(cm, type) {
 25.1883 +    var doc = cm.view.doc, hist = cm.view.history;
 25.1884 +    var set = (type == "undo" ? hist.done : hist.undone).pop();
 25.1885 +    if (!set) return;
 25.1886 +    var anti = {events: [], fromBefore: set.fromAfter, toBefore: set.toAfter,
 25.1887 +                fromAfter: set.fromBefore, toAfter: set.toBefore};
 25.1888 +    for (var i = set.events.length - 1; i >= 0; i -= 1) {
 25.1889 +      hist.dirtyCounter += type == "undo" ? -1 : 1;
 25.1890 +      var change = set.events[i];
 25.1891 +      var replaced = [], end = change.start + change.added;
 25.1892 +      doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); });
 25.1893 +      anti.events.push({start: change.start, added: change.old.length, old: replaced});
 25.1894 +      var selPos = i ? null : {from: set.fromBefore, to: set.toBefore};
 25.1895 +      updateDocNoUndo(cm, {line: change.start, ch: 0}, {line: end - 1, ch: getLine(doc, end-1).text.length},
 25.1896 +                      change.old, selPos, type);
 25.1897 +    }
 25.1898 +    (type == "undo" ? hist.undone : hist.done).push(anti);
 25.1899 +  }
 25.1900 +
 25.1901 +  function updateDocNoUndo(cm, from, to, lines, selUpdate, origin) {
 25.1902 +    var view = cm.view, doc = view.doc, display = cm.display;
 25.1903 +    if (view.suppressEdits) return;
 25.1904 +
 25.1905 +    var nlines = to.line - from.line, firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
 25.1906 +    var recomputeMaxLength = false, checkWidthStart = from.line;
 25.1907 +    if (!cm.options.lineWrapping) {
 25.1908 +      checkWidthStart = lineNo(visualLine(doc, firstLine));
 25.1909 +      doc.iter(checkWidthStart, to.line + 1, function(line) {
 25.1910 +        if (lineLength(doc, line) == view.maxLineLength) {
 25.1911 +          recomputeMaxLength = true;
 25.1912 +          return true;
 25.1913 +        }
 25.1914 +      });
 25.1915 +    }
 25.1916 +
 25.1917 +    var lastHL = lst(lines), th = textHeight(display);
 25.1918 +
 25.1919 +    // First adjust the line structure
 25.1920 +    if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") {
 25.1921 +      // This is a whole-line replace. Treated specially to make
 25.1922 +      // sure line objects move the way they are supposed to.
 25.1923 +      var added = [];
 25.1924 +      for (var i = 0, e = lines.length - 1; i < e; ++i)
 25.1925 +        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
 25.1926 +      updateLine(cm, lastLine, lastLine.text, hlSpans(lastHL));
 25.1927 +      if (nlines) doc.remove(from.line, nlines, cm);
 25.1928 +      if (added.length) doc.insert(from.line, added);
 25.1929 +    } else if (firstLine == lastLine) {
 25.1930 +      if (lines.length == 1) {
 25.1931 +        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
 25.1932 +                   firstLine.text.slice(to.ch), hlSpans(lines[0]));
 25.1933 +      } else {
 25.1934 +        for (var added = [], i = 1, e = lines.length - 1; i < e; ++i)
 25.1935 +          added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
 25.1936 +        added.push(makeLine(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL), th));
 25.1937 +        updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
 25.1938 +        doc.insert(from.line + 1, added);
 25.1939 +      }
 25.1940 +    } else if (lines.length == 1) {
 25.1941 +      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]) +
 25.1942 +                 lastLine.text.slice(to.ch), hlSpans(lines[0]));
 25.1943 +      doc.remove(from.line + 1, nlines, cm);
 25.1944 +    } else {
 25.1945 +      var added = [];
 25.1946 +      updateLine(cm, firstLine, firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0]));
 25.1947 +      updateLine(cm, lastLine, hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL));
 25.1948 +      for (var i = 1, e = lines.length - 1; i < e; ++i)
 25.1949 +        added.push(makeLine(hlText(lines[i]), hlSpans(lines[i]), th));
 25.1950 +      if (nlines > 1) doc.remove(from.line + 1, nlines - 1, cm);
 25.1951 +      doc.insert(from.line + 1, added);
 25.1952 +    }
 25.1953 +
 25.1954 +    if (cm.options.lineWrapping) {
 25.1955 +      var perLine = Math.max(5, display.scroller.clientWidth / charWidth(display) - 3);
 25.1956 +      doc.iter(from.line, from.line + lines.length, function(line) {
 25.1957 +        if (line.height == 0) return;
 25.1958 +        var guess = (Math.ceil(line.text.length / perLine) || 1) * th;
 25.1959 +        if (guess != line.height) updateLineHeight(line, guess);
 25.1960 +      });
 25.1961 +    } else {
 25.1962 +      doc.iter(checkWidthStart, from.line + lines.length, function(line) {
 25.1963 +        var len = lineLength(doc, line);
 25.1964 +        if (len > view.maxLineLength) {
 25.1965 +          view.maxLine = line;
 25.1966 +          view.maxLineLength = len;
 25.1967 +          view.maxLineChanged = true;
 25.1968 +          recomputeMaxLength = false;
 25.1969 +        }
 25.1970 +      });
 25.1971 +      if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
 25.1972 +    }
 25.1973 +
 25.1974 +    // Adjust frontier, schedule worker
 25.1975 +    view.frontier = Math.min(view.frontier, from.line);
 25.1976 +    startWorker(cm, 400);
 25.1977 +
 25.1978 +    var lendiff = lines.length - nlines - 1;
 25.1979 +    // Remember that these lines changed, for updating the display
 25.1980 +    regChange(cm, from.line, to.line + 1, lendiff);
 25.1981 +    if (hasHandler(cm, "change")) {
 25.1982 +      // Normalize lines to contain only strings, since that's what
 25.1983 +      // the change event handler expects
 25.1984 +      for (var i = 0; i < lines.length; ++i)
 25.1985 +        if (typeof lines[i] != "string") lines[i] = lines[i].text;
 25.1986 +      var changeObj = {from: from, to: to, text: lines, origin: origin};
 25.1987 +      if (cm.curOp.textChanged) {
 25.1988 +        for (var cur = cm.curOp.textChanged; cur.next; cur = cur.next) {}
 25.1989 +        cur.next = changeObj;
 25.1990 +      } else cm.curOp.textChanged = changeObj;
 25.1991 +    }
 25.1992 +
 25.1993 +    // Update the selection
 25.1994 +    var newSelFrom, newSelTo, end = {line: from.line + lines.length - 1,
 25.1995 +                                     ch: hlText(lastHL).length  + (lines.length == 1 ? from.ch : 0)};
 25.1996 +    if (selUpdate && typeof selUpdate != "string") {
 25.1997 +      if (selUpdate.from) { newSelFrom = selUpdate.from; newSelTo = selUpdate.to; }
 25.1998 +      else newSelFrom = newSelTo = selUpdate;
 25.1999 +    } else if (selUpdate == "end") {
 25.2000 +      newSelFrom = newSelTo = end;
 25.2001 +    } else if (selUpdate == "start") {
 25.2002 +      newSelFrom = newSelTo = from;
 25.2003 +    } else if (selUpdate == "around") {
 25.2004 +      newSelFrom = from; newSelTo = end;
 25.2005 +    } else {
 25.2006 +      var adjustPos = function(pos) {
 25.2007 +        if (posLess(pos, from)) return pos;
 25.2008 +        if (!posLess(to, pos)) return end;
 25.2009 +        var line = pos.line + lendiff;
 25.2010 +        var ch = pos.ch;
 25.2011 +        if (pos.line == to.line)
 25.2012 +          ch += hlText(lastHL).length - (to.ch - (to.line == from.line ? from.ch : 0));
 25.2013 +        return {line: line, ch: ch};
 25.2014 +      };
 25.2015 +      newSelFrom = adjustPos(view.sel.from);
 25.2016 +      newSelTo = adjustPos(view.sel.to);
 25.2017 +    }
 25.2018 +    setSelection(cm, newSelFrom, newSelTo, null, true);
 25.2019 +    return end;
 25.2020 +  }
 25.2021 +
 25.2022 +  function replaceRange(cm, code, from, to, origin) {
 25.2023 +    if (!to) to = from;
 25.2024 +    if (posLess(to, from)) { var tmp = to; to = from; from = tmp; }
 25.2025 +    return updateDoc(cm, from, to, splitLines(code), null, origin);
 25.2026 +  }
 25.2027 +
 25.2028 +  // SELECTION
 25.2029 +
 25.2030 +  function posEq(a, b) {return a.line == b.line && a.ch == b.ch;}
 25.2031 +  function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);}
 25.2032 +  function copyPos(x) {return {line: x.line, ch: x.ch};}
 25.2033 +
 25.2034 +  function clipLine(doc, n) {return Math.max(0, Math.min(n, doc.size-1));}
 25.2035 +  function clipPos(doc, pos) {
 25.2036 +    if (pos.line < 0) return {line: 0, ch: 0};
 25.2037 +    if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc, doc.size-1).text.length};
 25.2038 +    var ch = pos.ch, linelen = getLine(doc, pos.line).text.length;
 25.2039 +    if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
 25.2040 +    else if (ch < 0) return {line: pos.line, ch: 0};
 25.2041 +    else return pos;
 25.2042 +  }
 25.2043 +  function isLine(doc, l) {return l >= 0 && l < doc.size;}
 25.2044 +
 25.2045 +  // If shift is held, this will move the selection anchor. Otherwise,
 25.2046 +  // it'll set the whole selection.
 25.2047 +  function extendSelection(cm, pos, other, bias) {
 25.2048 +    var sel = cm.view.sel;
 25.2049 +    if (sel.shift || sel.extend) {
 25.2050 +      var anchor = sel.anchor;
 25.2051 +      if (other) {
 25.2052 +        var posBefore = posLess(pos, anchor);
 25.2053 +        if (posBefore != posLess(other, anchor)) {
 25.2054 +          anchor = pos;
 25.2055 +          pos = other;
 25.2056 +        } else if (posBefore != posLess(pos, other)) {
 25.2057 +          pos = other;
 25.2058 +        }
 25.2059 +      }
 25.2060 +      setSelection(cm, anchor, pos, bias);
 25.2061 +    } else {
 25.2062 +      setSelection(cm, pos, other || pos, bias);
 25.2063 +    }
 25.2064 +    cm.curOp.userSelChange = true;
 25.2065 +  }
 25.2066 +
 25.2067 +  // Update the selection. Last two args are only used by
 25.2068 +  // updateDoc, since they have to be expressed in the line
 25.2069 +  // numbers before the update.
 25.2070 +  function setSelection(cm, anchor, head, bias, checkAtomic) {
 25.2071 +    cm.view.goalColumn = null;
 25.2072 +    var sel = cm.view.sel;
 25.2073 +    // Skip over atomic spans.
 25.2074 +    if (checkAtomic || !posEq(anchor, sel.anchor))
 25.2075 +      anchor = skipAtomic(cm, anchor, bias, checkAtomic != "push");
 25.2076 +    if (checkAtomic || !posEq(head, sel.head))
 25.2077 +      head = skipAtomic(cm, head, bias, checkAtomic != "push");
 25.2078 +
 25.2079 +    if (posEq(sel.anchor, anchor) && posEq(sel.head, head)) return;
 25.2080 +
 25.2081 +    sel.anchor = anchor; sel.head = head;
 25.2082 +    var inv = posLess(head, anchor);
 25.2083 +    sel.from = inv ? head : anchor;
 25.2084 +    sel.to = inv ? anchor : head;
 25.2085 +
 25.2086 +    cm.curOp.updateInput = true;
 25.2087 +    cm.curOp.selectionChanged = true;
 25.2088 +  }
 25.2089 +
 25.2090 +  function reCheckSelection(cm) {
 25.2091 +    setSelection(cm, cm.view.sel.from, cm.view.sel.to, null, "push");
 25.2092 +  }
 25.2093 +
 25.2094 +  function skipAtomic(cm, pos, bias, mayClear) {
 25.2095 +    var doc = cm.view.doc, flipped = false, curPos = pos;
 25.2096 +    var dir = bias || 1;
 25.2097 +    cm.view.cantEdit = false;
 25.2098 +    search: for (;;) {
 25.2099 +      var line = getLine(doc, curPos.line), toClear;
 25.2100 +      if (line.markedSpans) {
 25.2101 +        for (var i = 0; i < line.markedSpans.length; ++i) {
 25.2102 +          var sp = line.markedSpans[i], m = sp.marker;
 25.2103 +          if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
 25.2104 +              (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
 25.2105 +            if (mayClear && m.clearOnEnter) {
 25.2106 +              (toClear || (toClear = [])).push(m);
 25.2107 +              continue;
 25.2108 +            } else if (!m.atomic) continue;
 25.2109 +            var newPos = m.find()[dir < 0 ? "from" : "to"];
 25.2110 +            if (posEq(newPos, curPos)) {
 25.2111 +              newPos.ch += dir;
 25.2112 +              if (newPos.ch < 0) {
 25.2113 +                if (newPos.line) newPos = clipPos(doc, {line: newPos.line - 1});
 25.2114 +                else newPos = null;
 25.2115 +              } else if (newPos.ch > line.text.length) {
 25.2116 +                if (newPos.line < doc.size - 1) newPos = {line: newPos.line + 1, ch: 0};
 25.2117 +                else newPos = null;
 25.2118 +              }
 25.2119 +              if (!newPos) {
 25.2120 +                if (flipped) {
 25.2121 +                  // Driven in a corner -- no valid cursor position found at all
 25.2122 +                  // -- try again *with* clearing, if we didn't already
 25.2123 +                  if (!mayClear) return skipAtomic(cm, pos, bias, true);
 25.2124 +                  // Otherwise, turn off editing until further notice, and return the start of the doc
 25.2125 +                  cm.view.cantEdit = true;
 25.2126 +                  return {line: 0, ch: 0};
 25.2127 +                }
 25.2128 +                flipped = true; newPos = pos; dir = -dir;
 25.2129 +              }
 25.2130 +            }
 25.2131 +            curPos = newPos;
 25.2132 +            continue search;
 25.2133 +          }
 25.2134 +        }
 25.2135 +        if (toClear) for (var i = 0; i < toClear.length; ++i) toClear[i].clear();
 25.2136 +      }
 25.2137 +      return curPos;
 25.2138 +    }
 25.2139 +  }
 25.2140 +
 25.2141 +  // SCROLLING
 25.2142 +
 25.2143 +  function scrollCursorIntoView(cm) {
 25.2144 +    var view = cm.view;
 25.2145 +    var coords = scrollPosIntoView(cm, view.sel.head);
 25.2146 +    if (!view.focused) return;
 25.2147 +    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
 25.2148 +    if (coords.top + box.top < 0) doScroll = true;
 25.2149 +    else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
 25.2150 +    if (doScroll != null && !phantom) {
 25.2151 +      var hidden = display.cursor.style.display == "none";
 25.2152 +      if (hidden) {
 25.2153 +        display.cursor.style.display = "";
 25.2154 +        display.cursor.style.left = coords.left + "px";
 25.2155 +        display.cursor.style.top = (coords.top - display.viewOffset) + "px";
 25.2156 +      }
 25.2157 +      display.cursor.scrollIntoView(doScroll);
 25.2158 +      if (hidden) display.cursor.style.display = "none";
 25.2159 +    }
 25.2160 +  }
 25.2161 +
 25.2162 +  function scrollPosIntoView(cm, pos) {
 25.2163 +    for (;;) {
 25.2164 +      var changed = false, coords = cursorCoords(cm, pos);
 25.2165 +      var scrollPos = calculateScrollPos(cm, coords.left, coords.top, coords.left, coords.bottom);
 25.2166 +      var startTop = cm.view.scrollTop, startLeft = cm.view.scrollLeft;
 25.2167 +      if (scrollPos.scrollTop != null) {
 25.2168 +        setScrollTop(cm, scrollPos.scrollTop);
 25.2169 +        if (Math.abs(cm.view.scrollTop - startTop) > 1) changed = true;
 25.2170 +      }
 25.2171 +      if (scrollPos.scrollLeft != null) {
 25.2172 +        setScrollLeft(cm, scrollPos.scrollLeft);
 25.2173 +        if (Math.abs(cm.view.scrollLeft - startLeft) > 1) changed = true;
 25.2174 +      }
 25.2175 +      if (!changed) return coords;
 25.2176 +    }
 25.2177 +  }
 25.2178 +
 25.2179 +  function scrollIntoView(cm, x1, y1, x2, y2) {
 25.2180 +    var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
 25.2181 +    if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
 25.2182 +    if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
 25.2183 +  }
 25.2184 +
 25.2185 +  function calculateScrollPos(cm, x1, y1, x2, y2) {
 25.2186 +    var display = cm.display, pt = paddingTop(display);
 25.2187 +    y1 += pt; y2 += pt;
 25.2188 +    var screen = display.scroller.clientHeight - scrollerCutOff, screentop = display.scroller.scrollTop, result = {};
 25.2189 +    var docBottom = cm.view.doc.height + 2 * pt;
 25.2190 +    var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10;
 25.2191 +    if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1);
 25.2192 +    else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen;
 25.2193 +
 25.2194 +    var screenw = display.scroller.clientWidth - scrollerCutOff, screenleft = display.scroller.scrollLeft;
 25.2195 +    x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth;
 25.2196 +    var gutterw = display.gutters.offsetWidth;
 25.2197 +    var atLeft = x1 < gutterw + 10;
 25.2198 +    if (x1 < screenleft + gutterw || atLeft) {
 25.2199 +      if (atLeft) x1 = 0;
 25.2200 +      result.scrollLeft = Math.max(0, x1 - 10 - gutterw);
 25.2201 +    } else if (x2 > screenw + screenleft - 3) {
 25.2202 +      result.scrollLeft = x2 + 10 - screenw;
 25.2203 +    }
 25.2204 +    return result;
 25.2205 +  }
 25.2206 +
 25.2207 +  // API UTILITIES
 25.2208 +
 25.2209 +  function indentLine(cm, n, how, aggressive) {
 25.2210 +    var doc = cm.view.doc;
 25.2211 +    if (!how) how = "add";
 25.2212 +    if (how == "smart") {
 25.2213 +      if (!cm.view.mode.indent) how = "prev";
 25.2214 +      else var state = getStateBefore(cm, n);
 25.2215 +    }
 25.2216 +
 25.2217 +    var tabSize = cm.options.tabSize;
 25.2218 +    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
 25.2219 +    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
 25.2220 +    if (how == "smart") {
 25.2221 +      indentation = cm.view.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
 25.2222 +      if (indentation == Pass) {
 25.2223 +        if (!aggressive) return;
 25.2224 +        how = "prev";
 25.2225 +      }
 25.2226 +    }
 25.2227 +    if (how == "prev") {
 25.2228 +      if (n) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
 25.2229 +      else indentation = 0;
 25.2230 +    }
 25.2231 +    else if (how == "add") indentation = curSpace + cm.options.indentUnit;
 25.2232 +    else if (how == "subtract") indentation = curSpace - cm.options.indentUnit;
 25.2233 +    indentation = Math.max(0, indentation);
 25.2234 +
 25.2235 +    var indentString = "", pos = 0;
 25.2236 +    if (cm.options.indentWithTabs)
 25.2237 +      for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
 25.2238 +    if (pos < indentation) indentString += spaceStr(indentation - pos);
 25.2239 +
 25.2240 +    if (indentString != curSpaceString)
 25.2241 +      replaceRange(cm, indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}, "input");
 25.2242 +    line.stateAfter = null;
 25.2243 +  }
 25.2244 +
 25.2245 +  function changeLine(cm, handle, op) {
 25.2246 +    var no = handle, line = handle, doc = cm.view.doc;
 25.2247 +    if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
 25.2248 +    else no = lineNo(handle);
 25.2249 +    if (no == null) return null;
 25.2250 +    if (op(line, no)) regChange(cm, no, no + 1);
 25.2251 +    else return null;
 25.2252 +    return line;
 25.2253 +  }
 25.2254 +
 25.2255 +  function findPosH(cm, dir, unit, visually) {
 25.2256 +    var doc = cm.view.doc, end = cm.view.sel.head, line = end.line, ch = end.ch;
 25.2257 +    var lineObj = getLine(doc, line);
 25.2258 +    function findNextLine() {
 25.2259 +      var l = line + dir;
 25.2260 +      if (l < 0 || l == doc.size) return false;
 25.2261 +      line = l;
 25.2262 +      return lineObj = getLine(doc, l);
 25.2263 +    }
 25.2264 +    function moveOnce(boundToLine) {
 25.2265 +      var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
 25.2266 +      if (next == null) {
 25.2267 +        if (!boundToLine && findNextLine()) {
 25.2268 +          if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
 25.2269 +          else ch = dir < 0 ? lineObj.text.length : 0;
 25.2270 +        } else return false;
 25.2271 +      } else ch = next;
 25.2272 +      return true;
 25.2273 +    }
 25.2274 +    if (unit == "char") moveOnce();
 25.2275 +    else if (unit == "column") moveOnce(true);
 25.2276 +    else if (unit == "word") {
 25.2277 +      var sawWord = false;
 25.2278 +      for (;;) {
 25.2279 +        if (dir < 0) if (!moveOnce()) break;
 25.2280 +        if (isWordChar(lineObj.text.charAt(ch))) sawWord = true;
 25.2281 +        else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;}
 25.2282 +        if (dir > 0) if (!moveOnce()) break;
 25.2283 +      }
 25.2284 +    }
 25.2285 +    return skipAtomic(cm, {line: line, ch: ch}, dir, true);
 25.2286 +  }
 25.2287 +
 25.2288 +  function findWordAt(line, pos) {
 25.2289 +    var start = pos.ch, end = pos.ch;
 25.2290 +    if (line) {
 25.2291 +      if (pos.after === false || end == line.length) --start; else ++end;
 25.2292 +      var startChar = line.charAt(start);
 25.2293 +      var check = isWordChar(startChar) ? isWordChar :
 25.2294 +        /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} :
 25.2295 +      function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
 25.2296 +      while (start > 0 && check(line.charAt(start - 1))) --start;
 25.2297 +      while (end < line.length && check(line.charAt(end))) ++end;
 25.2298 +    }
 25.2299 +    return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}};
 25.2300 +  }
 25.2301 +
 25.2302 +  function selectLine(cm, line) {
 25.2303 +    extendSelection(cm, {line: line, ch: 0}, clipPos(cm.view.doc, {line: line + 1, ch: 0}));
 25.2304 +  }
 25.2305 +
 25.2306 +  // PROTOTYPE
 25.2307 +
 25.2308 +  // The publicly visible API. Note that operation(null, f) means
 25.2309 +  // 'wrap f in an operation, performed on its `this` parameter'
 25.2310 +
 25.2311 +  CodeMirror.prototype = {
 25.2312 +    getValue: function(lineSep) {
 25.2313 +      var text = [], doc = this.view.doc;
 25.2314 +      doc.iter(0, doc.size, function(line) { text.push(line.text); });
 25.2315 +      return text.join(lineSep || "\n");
 25.2316 +    },
 25.2317 +
 25.2318 +    setValue: operation(null, function(code) {
 25.2319 +      var doc = this.view.doc, top = {line: 0, ch: 0}, lastLen = getLine(doc, doc.size-1).text.length;
 25.2320 +      updateDocInner(this, top, {line: doc.size - 1, ch: lastLen}, splitLines(code), top, top, "setValue");
 25.2321 +    }),
 25.2322 +
 25.2323 +    getSelection: function(lineSep) { return this.getRange(this.view.sel.from, this.view.sel.to, lineSep); },
 25.2324 +
 25.2325 +    replaceSelection: operation(null, function(code, collapse, origin) {
 25.2326 +      var sel = this.view.sel;
 25.2327 +      updateDoc(this, sel.from, sel.to, splitLines(code), collapse || "around", origin);
 25.2328 +    }),
 25.2329 +
 25.2330 +    focus: function(){window.focus(); focusInput(this); onFocus(this); fastPoll(this);},
 25.2331 +
 25.2332 +    setOption: function(option, value) {
 25.2333 +      var options = this.options, old = options[option];
 25.2334 +      if (options[option] == value && option != "mode") return;
 25.2335 +      options[option] = value;
 25.2336 +      if (optionHandlers.hasOwnProperty(option))
 25.2337 +        operation(this, optionHandlers[option])(this, value, old);
 25.2338 +    },
 25.2339 +
 25.2340 +    getOption: function(option) {return this.options[option];},
 25.2341 +
 25.2342 +    getMode: function() {return this.view.mode;},
 25.2343 +
 25.2344 +    addKeyMap: function(map) {
 25.2345 +      this.view.keyMaps.push(map);
 25.2346 +    },
 25.2347 +
 25.2348 +    removeKeyMap: function(map) {
 25.2349 +      var maps = this.view.keyMaps;
 25.2350 +      for (var i = 0; i < maps.length; ++i)
 25.2351 +        if ((typeof map == "string" ? maps[i].name : maps[i]) == map) {
 25.2352 +          maps.splice(i, 1);
 25.2353 +          return true;
 25.2354 +        }
 25.2355 +    },
 25.2356 +
 25.2357 +    undo: operation(null, function() {unredoHelper(this, "undo");}),
 25.2358 +    redo: operation(null, function() {unredoHelper(this, "redo");}),
 25.2359 +
 25.2360 +    indentLine: operation(null, function(n, dir, aggressive) {
 25.2361 +      if (typeof dir != "string") {
 25.2362 +        if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
 25.2363 +        else dir = dir ? "add" : "subtract";
 25.2364 +      }
 25.2365 +      if (isLine(this.view.doc, n)) indentLine(this, n, dir, aggressive);
 25.2366 +    }),
 25.2367 +
 25.2368 +    indentSelection: operation(null, function(how) {
 25.2369 +      var sel = this.view.sel;
 25.2370 +      if (posEq(sel.from, sel.to)) return indentLine(this, sel.from.line, how);
 25.2371 +      var e = sel.to.line - (sel.to.ch ? 0 : 1);
 25.2372 +      for (var i = sel.from.line; i <= e; ++i) indentLine(this, i, how);
 25.2373 +    }),
 25.2374 +
 25.2375 +    historySize: function() {
 25.2376 +      var hist = this.view.history;
 25.2377 +      return {undo: hist.done.length, redo: hist.undone.length};
 25.2378 +    },
 25.2379 +
 25.2380 +    clearHistory: function() {this.view.history = makeHistory();},
 25.2381 +
 25.2382 +    markClean: function() {
 25.2383 +      this.view.history.dirtyCounter = 0;
 25.2384 +      this.view.history.lastOp = this.view.history.lastOrigin = null;
 25.2385 +    },
 25.2386 +
 25.2387 +    isClean: function () {return this.view.history.dirtyCounter == 0;},
 25.2388 +      
 25.2389 +    getHistory: function() {
 25.2390 +      var hist = this.view.history;
 25.2391 +      function cp(arr) {
 25.2392 +        for (var i = 0, nw = [], nwelt; i < arr.length; ++i) {
 25.2393 +          var set = arr[i];
 25.2394 +          nw.push({events: nwelt = [], fromBefore: set.fromBefore, toBefore: set.toBefore,
 25.2395 +                   fromAfter: set.fromAfter, toAfter: set.toAfter});
 25.2396 +          for (var j = 0, elt = set.events; j < elt.length; ++j) {
 25.2397 +            var old = [], cur = elt[j];
 25.2398 +            nwelt.push({start: cur.start, added: cur.added, old: old});
 25.2399 +            for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k]));
 25.2400 +          }
 25.2401 +        }
 25.2402 +        return nw;
 25.2403 +      }
 25.2404 +      return {done: cp(hist.done), undone: cp(hist.undone)};
 25.2405 +    },
 25.2406 +
 25.2407 +    setHistory: function(histData) {
 25.2408 +      var hist = this.view.history = makeHistory();
 25.2409 +      hist.done = histData.done;
 25.2410 +      hist.undone = histData.undone;
 25.2411 +    },
 25.2412 +
 25.2413 +    // Fetch the parser token for a given character. Useful for hacks
 25.2414 +    // that want to inspect the mode state (say, for completion).
 25.2415 +    getTokenAt: function(pos) {
 25.2416 +      var doc = this.view.doc;
 25.2417 +      pos = clipPos(doc, pos);
 25.2418 +      var state = getStateBefore(this, pos.line), mode = this.view.mode;
 25.2419 +      var line = getLine(doc, pos.line);
 25.2420 +      var stream = new StringStream(line.text, this.options.tabSize);
 25.2421 +      while (stream.pos < pos.ch && !stream.eol()) {
 25.2422 +        stream.start = stream.pos;
 25.2423 +        var style = mode.token(stream, state);
 25.2424 +      }
 25.2425 +      return {start: stream.start,
 25.2426 +              end: stream.pos,
 25.2427 +              string: stream.current(),
 25.2428 +              className: style || null, // Deprecated, use 'type' instead
 25.2429 +              type: style || null,
 25.2430 +              state: state};
 25.2431 +    },
 25.2432 +
 25.2433 +    getStateAfter: function(line) {
 25.2434 +      var doc = this.view.doc;
 25.2435 +      line = clipLine(doc, line == null ? doc.size - 1: line);
 25.2436 +      return getStateBefore(this, line + 1);
 25.2437 +    },
 25.2438 +
 25.2439 +    cursorCoords: function(start, mode) {
 25.2440 +      var pos, sel = this.view.sel;
 25.2441 +      if (start == null) pos = sel.head;
 25.2442 +      else if (typeof start == "object") pos = clipPos(this.view.doc, start);
 25.2443 +      else pos = start ? sel.from : sel.to;
 25.2444 +      return cursorCoords(this, pos, mode || "page");
 25.2445 +    },
 25.2446 +
 25.2447 +    charCoords: function(pos, mode) {
 25.2448 +      return charCoords(this, clipPos(this.view.doc, pos), mode || "page");
 25.2449 +    },
 25.2450 +
 25.2451 +    coordsChar: function(coords) {
 25.2452 +      var off = this.display.lineSpace.getBoundingClientRect();
 25.2453 +      return coordsChar(this, coords.left - off.left, coords.top - off.top);
 25.2454 +    },
 25.2455 +
 25.2456 +    defaultTextHeight: function() { return textHeight(this.display); },
 25.2457 +
 25.2458 +    markText: operation(null, function(from, to, options) {
 25.2459 +      return markText(this, clipPos(this.view.doc, from), clipPos(this.view.doc, to),
 25.2460 +                      options, "range");
 25.2461 +    }),
 25.2462 +
 25.2463 +    setBookmark: operation(null, function(pos, widget) {
 25.2464 +      pos = clipPos(this.view.doc, pos);
 25.2465 +      return markText(this, pos, pos, widget ? {replacedWith: widget} : {}, "bookmark");
 25.2466 +    }),
 25.2467 +
 25.2468 +    findMarksAt: function(pos) {
 25.2469 +      var doc = this.view.doc;
 25.2470 +      pos = clipPos(doc, pos);
 25.2471 +      var markers = [], spans = getLine(doc, pos.line).markedSpans;
 25.2472 +      if (spans) for (var i = 0; i < spans.length; ++i) {
 25.2473 +        var span = spans[i];
 25.2474 +        if ((span.from == null || span.from <= pos.ch) &&
 25.2475 +            (span.to == null || span.to >= pos.ch))
 25.2476 +          markers.push(span.marker);
 25.2477 +      }
 25.2478 +      return markers;
 25.2479 +    },
 25.2480 +
 25.2481 +    setGutterMarker: operation(null, function(line, gutterID, value) {
 25.2482 +      return changeLine(this, line, function(line) {
 25.2483 +        var markers = line.gutterMarkers || (line.gutterMarkers = {});
 25.2484 +        markers[gutterID] = value;
 25.2485 +        if (!value && isEmpty(markers)) line.gutterMarkers = null;
 25.2486 +        return true;
 25.2487 +      });
 25.2488 +    }),
 25.2489 +
 25.2490 +    clearGutter: operation(null, function(gutterID) {
 25.2491 +      var i = 0, cm = this, doc = cm.view.doc;
 25.2492 +      doc.iter(0, doc.size, function(line) {
 25.2493 +        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
 25.2494 +          line.gutterMarkers[gutterID] = null;
 25.2495 +          regChange(cm, i, i + 1);
 25.2496 +          if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
 25.2497 +        }
 25.2498 +        ++i;
 25.2499 +      });
 25.2500 +    }),
 25.2501 +
 25.2502 +    addLineClass: operation(null, function(handle, where, cls) {
 25.2503 +      return changeLine(this, handle, function(line) {
 25.2504 +        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
 25.2505 +        if (!line[prop]) line[prop] = cls;
 25.2506 +        else if (new RegExp("\\b" + cls + "\\b").test(line[prop])) return false;
 25.2507 +        else line[prop] += " " + cls;
 25.2508 +        return true;
 25.2509 +      });
 25.2510 +    }),
 25.2511 +
 25.2512 +    removeLineClass: operation(null, function(handle, where, cls) {
 25.2513 +      return changeLine(this, handle, function(line) {
 25.2514 +        var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass";
 25.2515 +        var cur = line[prop];
 25.2516 +        if (!cur) return false;
 25.2517 +        else if (cls == null) line[prop] = null;
 25.2518 +        else {
 25.2519 +          var upd = cur.replace(new RegExp("^" + cls + "\\b\\s*|\\s*\\b" + cls + "\\b"), "");
 25.2520 +          if (upd == cur) return false;
 25.2521 +          line[prop] = upd || null;
 25.2522 +        }
 25.2523 +        return true;
 25.2524 +      });
 25.2525 +    }),
 25.2526 +
 25.2527 +    addLineWidget: operation(null, function(handle, node, options) {
 25.2528 +      var widget = options || {};
 25.2529 +      widget.node = node;
 25.2530 +      if (widget.noHScroll) this.display.alignWidgets = true;
 25.2531 +      changeLine(this, handle, function(line) {
 25.2532 +        (line.widgets || (line.widgets = [])).push(widget);
 25.2533 +        widget.line = line;
 25.2534 +        return true;
 25.2535 +      });
 25.2536 +      return widget;
 25.2537 +    }),
 25.2538 +
 25.2539 +    removeLineWidget: operation(null, function(widget) {
 25.2540 +      var ws = widget.line.widgets, no = lineNo(widget.line);
 25.2541 +      if (no == null) return;
 25.2542 +      for (var i = 0; i < ws.length; ++i) if (ws[i] == widget) ws.splice(i--, 1);
 25.2543 +      regChange(this, no, no + 1);
 25.2544 +    }),
 25.2545 +
 25.2546 +    lineInfo: function(line) {
 25.2547 +      if (typeof line == "number") {
 25.2548 +        if (!isLine(this.view.doc, line)) return null;
 25.2549 +        var n = line;
 25.2550 +        line = getLine(this.view.doc, line);
 25.2551 +        if (!line) return null;
 25.2552 +      } else {
 25.2553 +        var n = lineNo(line);
 25.2554 +        if (n == null) return null;
 25.2555 +      }
 25.2556 +      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
 25.2557 +              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
 25.2558 +              widgets: line.widgets};
 25.2559 +    },
 25.2560 +
 25.2561 +    getViewport: function() { return {from: this.display.showingFrom, to: this.display.showingTo};},
 25.2562 +
 25.2563 +    addWidget: function(pos, node, scroll, vert, horiz) {
 25.2564 +      var display = this.display;
 25.2565 +      pos = cursorCoords(this, clipPos(this.view.doc, pos));
 25.2566 +      var top = pos.top, left = pos.left;
 25.2567 +      node.style.position = "absolute";
 25.2568 +      display.sizer.appendChild(node);
 25.2569 +      if (vert == "over") top = pos.top;
 25.2570 +      else if (vert == "near") {
 25.2571 +        var vspace = Math.max(display.wrapper.clientHeight, this.view.doc.height),
 25.2572 +        hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
 25.2573 +        if (pos.bottom + node.offsetHeight > vspace && pos.top > node.offsetHeight)
 25.2574 +          top = pos.top - node.offsetHeight;
 25.2575 +        if (left + node.offsetWidth > hspace)
 25.2576 +          left = hspace - node.offsetWidth;
 25.2577 +      }
 25.2578 +      node.style.top = (top + paddingTop(display)) + "px";
 25.2579 +      node.style.left = node.style.right = "";
 25.2580 +      if (horiz == "right") {
 25.2581 +        left = display.sizer.clientWidth - node.offsetWidth;
 25.2582 +        node.style.right = "0px";
 25.2583 +      } else {
 25.2584 +        if (horiz == "left") left = 0;
 25.2585 +        else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
 25.2586 +        node.style.left = left + "px";
 25.2587 +      }
 25.2588 +      if (scroll)
 25.2589 +        scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
 25.2590 +    },
 25.2591 +
 25.2592 +    lineCount: function() {return this.view.doc.size;},
 25.2593 +
 25.2594 +    clipPos: function(pos) {return clipPos(this.view.doc, pos);},
 25.2595 +
 25.2596 +    getCursor: function(start) {
 25.2597 +      var sel = this.view.sel, pos;
 25.2598 +      if (start == null || start == "head") pos = sel.head;
 25.2599 +      else if (start == "anchor") pos = sel.anchor;
 25.2600 +      else if (start == "end" || start === false) pos = sel.to;
 25.2601 +      else pos = sel.from;
 25.2602 +      return copyPos(pos);
 25.2603 +    },
 25.2604 +
 25.2605 +    somethingSelected: function() {return !posEq(this.view.sel.from, this.view.sel.to);},
 25.2606 +
 25.2607 +    setCursor: operation(null, function(line, ch, extend) {
 25.2608 +      var pos = clipPos(this.view.doc, typeof line == "number" ? {line: line, ch: ch || 0} : line);
 25.2609 +      if (extend) extendSelection(this, pos);
 25.2610 +      else setSelection(this, pos, pos);
 25.2611 +    }),
 25.2612 +
 25.2613 +    setSelection: operation(null, function(anchor, head) {
 25.2614 +      var doc = this.view.doc;
 25.2615 +      setSelection(this, clipPos(doc, anchor), clipPos(doc, head || anchor));
 25.2616 +    }),
 25.2617 +
 25.2618 +    extendSelection: operation(null, function(from, to) {
 25.2619 +      var doc = this.view.doc;
 25.2620 +      extendSelection(this, clipPos(doc, from), to && clipPos(doc, to));
 25.2621 +    }),
 25.2622 +
 25.2623 +    setExtending: function(val) {this.view.sel.extend = val;},
 25.2624 +
 25.2625 +    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
 25.2626 +
 25.2627 +    getLineHandle: function(line) {
 25.2628 +      var doc = this.view.doc;
 25.2629 +      if (isLine(doc, line)) return getLine(doc, line);
 25.2630 +    },
 25.2631 +
 25.2632 +    getLineNumber: function(line) {return lineNo(line);},
 25.2633 +
 25.2634 +    setLine: operation(null, function(line, text) {
 25.2635 +      if (isLine(this.view.doc, line))
 25.2636 +        replaceRange(this, text, {line: line, ch: 0}, {line: line, ch: getLine(this.view.doc, line).text.length});
 25.2637 +    }),
 25.2638 +
 25.2639 +    removeLine: operation(null, function(line) {
 25.2640 +      if (isLine(this.view.doc, line))
 25.2641 +        replaceRange(this, "", {line: line, ch: 0}, clipPos(this.view.doc, {line: line+1, ch: 0}));
 25.2642 +    }),
 25.2643 +
 25.2644 +    replaceRange: operation(null, function(code, from, to) {
 25.2645 +      var doc = this.view.doc;
 25.2646 +      from = clipPos(doc, from);
 25.2647 +      to = to ? clipPos(doc, to) : from;
 25.2648 +      return replaceRange(this, code, from, to);
 25.2649 +    }),
 25.2650 +
 25.2651 +    getRange: function(from, to, lineSep) {
 25.2652 +      var doc = this.view.doc;
 25.2653 +      from = clipPos(doc, from); to = clipPos(doc, to);
 25.2654 +      var l1 = from.line, l2 = to.line;
 25.2655 +      if (l1 == l2) return getLine(doc, l1).text.slice(from.ch, to.ch);
 25.2656 +      var code = [getLine(doc, l1).text.slice(from.ch)];
 25.2657 +      doc.iter(l1 + 1, l2, function(line) { code.push(line.text); });
 25.2658 +      code.push(getLine(doc, l2).text.slice(0, to.ch));
 25.2659 +      return code.join(lineSep || "\n");
 25.2660 +    },
 25.2661 +
 25.2662 +    triggerOnKeyDown: operation(null, onKeyDown),
 25.2663 +
 25.2664 +    execCommand: function(cmd) {return commands[cmd](this);},
 25.2665 +
 25.2666 +    // Stuff used by commands, probably not much use to outside code.
 25.2667 +    moveH: operation(null, function(dir, unit) {
 25.2668 +      var sel = this.view.sel, pos = dir < 0 ? sel.from : sel.to;
 25.2669 +      if (sel.shift || sel.extend || posEq(sel.from, sel.to)) pos = findPosH(this, dir, unit, true);
 25.2670 +      extendSelection(this, pos, pos, dir);
 25.2671 +    }),
 25.2672 +
 25.2673 +    deleteH: operation(null, function(dir, unit) {
 25.2674 +      var sel = this.view.sel;
 25.2675 +      if (!posEq(sel.from, sel.to)) replaceRange(this, "", sel.from, sel.to, "delete");
 25.2676 +      else replaceRange(this, "", sel.from, findPosH(this, dir, unit, false), "delete");
 25.2677 +      this.curOp.userSelChange = true;
 25.2678 +    }),
 25.2679 +
 25.2680 +    moveV: operation(null, function(dir, unit) {
 25.2681 +      var view = this.view, doc = view.doc, display = this.display;
 25.2682 +      var cur = view.sel.head, pos = cursorCoords(this, cur, "div");
 25.2683 +      var x = pos.left, y;
 25.2684 +      if (view.goalColumn != null) x = view.goalColumn;
 25.2685 +      if (unit == "page") {
 25.2686 +        var pageSize = Math.min(display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
 25.2687 +        y = pos.top + dir * pageSize;
 25.2688 +      } else if (unit == "line") {
 25.2689 +        y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
 25.2690 +      }
 25.2691 +      do {
 25.2692 +        var target = coordsChar(this, x, y);
 25.2693 +        y += dir * 5;
 25.2694 +      } while (target.outside && (dir < 0 ? y > 0 : y < doc.height));
 25.2695 +
 25.2696 +      if (unit == "page") display.scrollbarV.scrollTop += charCoords(this, target, "div").top - pos.top;
 25.2697 +      extendSelection(this, target, target, dir);
 25.2698 +      view.goalColumn = x;
 25.2699 +    }),
 25.2700 +
 25.2701 +    toggleOverwrite: function() {
 25.2702 +      if (this.view.overwrite = !this.view.overwrite)
 25.2703 +        this.display.cursor.className += " CodeMirror-overwrite";
 25.2704 +      else
 25.2705 +        this.display.cursor.className = this.display.cursor.className.replace(" CodeMirror-overwrite", "");
 25.2706 +    },
 25.2707 +
 25.2708 +    posFromIndex: function(off) {
 25.2709 +      var lineNo = 0, ch, doc = this.view.doc;
 25.2710 +      doc.iter(0, doc.size, function(line) {
 25.2711 +        var sz = line.text.length + 1;
 25.2712 +        if (sz > off) { ch = off; return true; }
 25.2713 +        off -= sz;
 25.2714 +        ++lineNo;
 25.2715 +      });
 25.2716 +      return clipPos(doc, {line: lineNo, ch: ch});
 25.2717 +    },
 25.2718 +    indexFromPos: function (coords) {
 25.2719 +      if (coords.line < 0 || coords.ch < 0) return 0;
 25.2720 +      var index = coords.ch;
 25.2721 +      this.view.doc.iter(0, coords.line, function (line) {
 25.2722 +        index += line.text.length + 1;
 25.2723 +      });
 25.2724 +      return index;
 25.2725 +    },
 25.2726 +
 25.2727 +    scrollTo: function(x, y) {
 25.2728 +      if (x != null) this.display.scrollbarH.scrollLeft = this.display.scroller.scrollLeft = x;
 25.2729 +      if (y != null) this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = y;
 25.2730 +      updateDisplay(this, []);
 25.2731 +    },
 25.2732 +    getScrollInfo: function() {
 25.2733 +      var scroller = this.display.scroller, co = scrollerCutOff;
 25.2734 +      return {left: scroller.scrollLeft, top: scroller.scrollTop,
 25.2735 +              height: scroller.scrollHeight - co, width: scroller.scrollWidth - co,
 25.2736 +              clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co};
 25.2737 +    },
 25.2738 +
 25.2739 +    scrollIntoView: function(pos) {
 25.2740 +      if (typeof pos == "number") pos = {line: pos, ch: 0};
 25.2741 +      pos = pos ? clipPos(this.view.doc, pos) : this.view.sel.head;
 25.2742 +      scrollPosIntoView(this, pos);
 25.2743 +    },
 25.2744 +
 25.2745 +    setSize: function(width, height) {
 25.2746 +      function interpret(val) {
 25.2747 +        return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
 25.2748 +      }
 25.2749 +      if (width != null) this.display.wrapper.style.width = interpret(width);
 25.2750 +      if (height != null) this.display.wrapper.style.height = interpret(height);
 25.2751 +      this.refresh();
 25.2752 +    },
 25.2753 +
 25.2754 +    on: function(type, f) {on(this, type, f);},
 25.2755 +    off: function(type, f) {off(this, type, f);},
 25.2756 +
 25.2757 +    operation: function(f){return operation(this, f)();},
 25.2758 +
 25.2759 +    refresh: function() {
 25.2760 +      clearCaches(this);
 25.2761 +      if (this.display.scroller.scrollHeight > this.view.scrollTop)
 25.2762 +        this.display.scrollbarV.scrollTop = this.display.scroller.scrollTop = this.view.scrollTop;
 25.2763 +      updateDisplay(this, true);
 25.2764 +    },
 25.2765 +
 25.2766 +    getInputField: function(){return this.display.input;},
 25.2767 +    getWrapperElement: function(){return this.display.wrapper;},
 25.2768 +    getScrollerElement: function(){return this.display.scroller;},
 25.2769 +    getGutterElement: function(){return this.display.gutters;}
 25.2770 +  };
 25.2771 +
 25.2772 +  // OPTION DEFAULTS
 25.2773 +
 25.2774 +  var optionHandlers = CodeMirror.optionHandlers = {};
 25.2775 +
 25.2776 +  // The default configuration options.
 25.2777 +  var defaults = CodeMirror.defaults = {};
 25.2778 +
 25.2779 +  function option(name, deflt, handle, notOnInit) {
 25.2780 +    CodeMirror.defaults[name] = deflt;
 25.2781 +    if (handle) optionHandlers[name] =
 25.2782 +      notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
 25.2783 +  }
 25.2784 +
 25.2785 +  var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
 25.2786 +
 25.2787 +  // These two are, on init, called from the constructor because they
 25.2788 +  // have to be initialized before the editor can start at all.
 25.2789 +  option("value", "", function(cm, val) {cm.setValue(val);}, true);
 25.2790 +  option("mode", null, loadMode, true);
 25.2791 +
 25.2792 +  option("indentUnit", 2, loadMode, true);
 25.2793 +  option("indentWithTabs", false);
 25.2794 +  option("smartIndent", true);
 25.2795 +  option("tabSize", 4, function(cm) {
 25.2796 +    loadMode(cm);
 25.2797 +    clearCaches(cm);
 25.2798 +    updateDisplay(cm, true);
 25.2799 +  }, true);
 25.2800 +  option("electricChars", true);
 25.2801 +
 25.2802 +  option("theme", "default", function(cm) {
 25.2803 +    themeChanged(cm);
 25.2804 +    guttersChanged(cm);
 25.2805 +  }, true);
 25.2806 +  option("keyMap", "default", keyMapChanged);
 25.2807 +  option("extraKeys", null);
 25.2808 +
 25.2809 +  option("onKeyEvent", null);
 25.2810 +  option("onDragEvent", null);
 25.2811 +
 25.2812 +  option("lineWrapping", false, wrappingChanged, true);
 25.2813 +  option("gutters", [], function(cm) {
 25.2814 +    setGuttersForLineNumbers(cm.options);
 25.2815 +    guttersChanged(cm);
 25.2816 +  }, true);
 25.2817 +  option("lineNumbers", false, function(cm) {
 25.2818 +    setGuttersForLineNumbers(cm.options);
 25.2819 +    guttersChanged(cm);
 25.2820 +  }, true);
 25.2821 +  option("firstLineNumber", 1, guttersChanged, true);
 25.2822 +  option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
 25.2823 +  option("showCursorWhenSelecting", false, updateSelection, true);
 25.2824 +  
 25.2825 +  option("readOnly", false, function(cm, val) {
 25.2826 +    if (val == "nocursor") {onBlur(cm); cm.display.input.blur();}
 25.2827 +    else if (!val) resetInput(cm, true);
 25.2828 +  });
 25.2829 +  option("dragDrop", true);
 25.2830 +
 25.2831 +  option("cursorBlinkRate", 530);
 25.2832 +  option("cursorHeight", 1);
 25.2833 +  option("workTime", 100);
 25.2834 +  option("workDelay", 100);
 25.2835 +  option("flattenSpans", true);
 25.2836 +  option("pollInterval", 100);
 25.2837 +  option("undoDepth", 40);
 25.2838 +  option("viewportMargin", 10, function(cm){cm.refresh();}, true);
 25.2839 +
 25.2840 +  option("tabindex", null, function(cm, val) {
 25.2841 +    cm.display.input.tabIndex = val || "";
 25.2842 +  });
 25.2843 +  option("autofocus", null);
 25.2844 +
 25.2845 +  // MODE DEFINITION AND QUERYING
 25.2846 +
 25.2847 +  // Known modes, by name and by MIME
 25.2848 +  var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
 25.2849 +
 25.2850 +  CodeMirror.defineMode = function(name, mode) {
 25.2851 +    if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
 25.2852 +    if (arguments.length > 2) {
 25.2853 +      mode.dependencies = [];
 25.2854 +      for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
 25.2855 +    }
 25.2856 +    modes[name] = mode;
 25.2857 +  };
 25.2858 +
 25.2859 +  CodeMirror.defineMIME = function(mime, spec) {
 25.2860 +    mimeModes[mime] = spec;
 25.2861 +  };
 25.2862 +
 25.2863 +  CodeMirror.resolveMode = function(spec) {
 25.2864 +    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec))
 25.2865 +      spec = mimeModes[spec];
 25.2866 +    else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec))
 25.2867 +      return CodeMirror.resolveMode("application/xml");
 25.2868 +    if (typeof spec == "string") return {name: spec};
 25.2869 +    else return spec || {name: "null"};
 25.2870 +  };
 25.2871 +
 25.2872 +  CodeMirror.getMode = function(options, spec) {
 25.2873 +    var spec = CodeMirror.resolveMode(spec);
 25.2874 +    var mfactory = modes[spec.name];
 25.2875 +    if (!mfactory) return CodeMirror.getMode(options, "text/plain");
 25.2876 +    var modeObj = mfactory(options, spec);
 25.2877 +    if (modeExtensions.hasOwnProperty(spec.name)) {
 25.2878 +      var exts = modeExtensions[spec.name];
 25.2879 +      for (var prop in exts) {
 25.2880 +        if (!exts.hasOwnProperty(prop)) continue;
 25.2881 +        if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
 25.2882 +        modeObj[prop] = exts[prop];
 25.2883 +      }
 25.2884 +    }
 25.2885 +    modeObj.name = spec.name;
 25.2886 +    return modeObj;
 25.2887 +  };
 25.2888 +
 25.2889 +  CodeMirror.defineMode("null", function() {
 25.2890 +    return {token: function(stream) {stream.skipToEnd();}};
 25.2891 +  });
 25.2892 +  CodeMirror.defineMIME("text/plain", "null");
 25.2893 +
 25.2894 +  var modeExtensions = CodeMirror.modeExtensions = {};
 25.2895 +  CodeMirror.extendMode = function(mode, properties) {
 25.2896 +    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
 25.2897 +    for (var prop in properties) if (properties.hasOwnProperty(prop))
 25.2898 +      exts[prop] = properties[prop];
 25.2899 +  };
 25.2900 +
 25.2901 +  // EXTENSIONS
 25.2902 +
 25.2903 +  CodeMirror.defineExtension = function(name, func) {
 25.2904 +    CodeMirror.prototype[name] = func;
 25.2905 +  };
 25.2906 +
 25.2907 +  CodeMirror.defineOption = option;
 25.2908 +
 25.2909 +  var initHooks = [];
 25.2910 +  CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
 25.2911 +
 25.2912 +  // MODE STATE HANDLING
 25.2913 +
 25.2914 +  // Utility functions for working with state. Exported because modes
 25.2915 +  // sometimes need to do this.
 25.2916 +  function copyState(mode, state) {
 25.2917 +    if (state === true) return state;
 25.2918 +    if (mode.copyState) return mode.copyState(state);
 25.2919 +    var nstate = {};
 25.2920 +    for (var n in state) {
 25.2921 +      var val = state[n];
 25.2922 +      if (val instanceof Array) val = val.concat([]);
 25.2923 +      nstate[n] = val;
 25.2924 +    }
 25.2925 +    return nstate;
 25.2926 +  }
 25.2927 +  CodeMirror.copyState = copyState;
 25.2928 +
 25.2929 +  function startState(mode, a1, a2) {
 25.2930 +    return mode.startState ? mode.startState(a1, a2) : true;
 25.2931 +  }
 25.2932 +  CodeMirror.startState = startState;
 25.2933 +
 25.2934 +  CodeMirror.innerMode = function(mode, state) {
 25.2935 +    while (mode.innerMode) {
 25.2936 +      var info = mode.innerMode(state);
 25.2937 +      state = info.state;
 25.2938 +      mode = info.mode;
 25.2939 +    }
 25.2940 +    return info || {mode: mode, state: state};
 25.2941 +  };
 25.2942 +
 25.2943 +  // STANDARD COMMANDS
 25.2944 +
 25.2945 +  var commands = CodeMirror.commands = {
 25.2946 +    selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});},
 25.2947 +    killLine: function(cm) {
 25.2948 +      var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to);
 25.2949 +      if (!sel && cm.getLine(from.line).length == from.ch)
 25.2950 +        cm.replaceRange("", from, {line: from.line + 1, ch: 0}, "delete");
 25.2951 +      else cm.replaceRange("", from, sel ? to : {line: from.line}, "delete");
 25.2952 +    },
 25.2953 +    deleteLine: function(cm) {
 25.2954 +      var l = cm.getCursor().line;
 25.2955 +      cm.replaceRange("", {line: l, ch: 0}, {line: l}, "delete");
 25.2956 +    },
 25.2957 +    undo: function(cm) {cm.undo();},
 25.2958 +    redo: function(cm) {cm.redo();},
 25.2959 +    goDocStart: function(cm) {cm.extendSelection({line: 0, ch: 0});},
 25.2960 +    goDocEnd: function(cm) {cm.extendSelection({line: cm.lineCount() - 1});},
 25.2961 +    goLineStart: function(cm) {
 25.2962 +      cm.extendSelection(lineStart(cm, cm.getCursor().line));
 25.2963 +    },
 25.2964 +    goLineStartSmart: function(cm) {
 25.2965 +      var cur = cm.getCursor(), start = lineStart(cm, cur.line);
 25.2966 +      var line = cm.getLineHandle(start.line);
 25.2967 +      var order = getOrder(line);
 25.2968 +      if (!order || order[0].level == 0) {
 25.2969 +        var firstNonWS = Math.max(0, line.text.search(/\S/));
 25.2970 +        var inWS = cur.line == start.line && cur.ch <= firstNonWS && cur.ch;
 25.2971 +        cm.extendSelection({line: start.line, ch: inWS ? 0 : firstNonWS});
 25.2972 +      } else cm.extendSelection(start);
 25.2973 +    },
 25.2974 +    goLineEnd: function(cm) {
 25.2975 +      cm.extendSelection(lineEnd(cm, cm.getCursor().line));
 25.2976 +    },
 25.2977 +    goLineUp: function(cm) {cm.moveV(-1, "line");},
 25.2978 +    goLineDown: function(cm) {cm.moveV(1, "line");},
 25.2979 +    goPageUp: function(cm) {cm.moveV(-1, "page");},
 25.2980 +    goPageDown: function(cm) {cm.moveV(1, "page");},
 25.2981 +    goCharLeft: function(cm) {cm.moveH(-1, "char");},
 25.2982 +    goCharRight: function(cm) {cm.moveH(1, "char");},
 25.2983 +    goColumnLeft: function(cm) {cm.moveH(-1, "column");},
 25.2984 +    goColumnRight: function(cm) {cm.moveH(1, "column");},
 25.2985 +    goWordLeft: function(cm) {cm.moveH(-1, "word");},
 25.2986 +    goWordRight: function(cm) {cm.moveH(1, "word");},
 25.2987 +    delCharBefore: function(cm) {cm.deleteH(-1, "char");},
 25.2988 +    delCharAfter: function(cm) {cm.deleteH(1, "char");},
 25.2989 +    delWordBefore: function(cm) {cm.deleteH(-1, "word");},
 25.2990 +    delWordAfter: function(cm) {cm.deleteH(1, "word");},
 25.2991 +    indentAuto: function(cm) {cm.indentSelection("smart");},
 25.2992 +    indentMore: function(cm) {cm.indentSelection("add");},
 25.2993 +    indentLess: function(cm) {cm.indentSelection("subtract");},
 25.2994 +    insertTab: function(cm) {cm.replaceSelection("\t", "end", "input");},
 25.2995 +    defaultTab: function(cm) {
 25.2996 +      if (cm.somethingSelected()) cm.indentSelection("add");
 25.2997 +      else cm.replaceSelection("\t", "end", "input");
 25.2998 +    },
 25.2999 +    transposeChars: function(cm) {
 25.3000 +      var cur = cm.getCursor(), line = cm.getLine(cur.line);
 25.3001 +      if (cur.ch > 0 && cur.ch < line.length - 1)
 25.3002 +        cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1),
 25.3003 +                        {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1});
 25.3004 +    },
 25.3005 +    newlineAndIndent: function(cm) {
 25.3006 +      operation(cm, function() {
 25.3007 +        cm.replaceSelection("\n", "end", "input");
 25.3008 +        cm.indentLine(cm.getCursor().line, null, true);
 25.3009 +      })();
 25.3010 +    },
 25.3011 +    toggleOverwrite: function(cm) {cm.toggleOverwrite();}
 25.3012 +  };
 25.3013 +
 25.3014 +  // STANDARD KEYMAPS
 25.3015 +
 25.3016 +  var keyMap = CodeMirror.keyMap = {};
 25.3017 +  keyMap.basic = {
 25.3018 +    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
 25.3019 +    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
 25.3020 +    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Tab": "defaultTab", "Shift-Tab": "indentAuto",
 25.3021 +    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite"
 25.3022 +  };
 25.3023 +  // Note that the save and find-related commands aren't defined by
 25.3024 +  // default. Unknown commands are simply ignored.
 25.3025 +  keyMap.pcDefault = {
 25.3026 +    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
 25.3027 +    "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd",
 25.3028 +    "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
 25.3029 +    "Ctrl-Backspace": "delWordBefore", "Ctrl-Delete": "delWordAfter", "Ctrl-S": "save", "Ctrl-F": "find",
 25.3030 +    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
 25.3031 +    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
 25.3032 +    fallthrough: "basic"
 25.3033 +  };
 25.3034 +  keyMap.macDefault = {
 25.3035 +    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
 25.3036 +    "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft",
 25.3037 +    "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordBefore",
 25.3038 +    "Ctrl-Alt-Backspace": "delWordAfter", "Alt-Delete": "delWordAfter", "Cmd-S": "save", "Cmd-F": "find",
 25.3039 +    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
 25.3040 +    "Cmd-[": "indentLess", "Cmd-]": "indentMore",
 25.3041 +    fallthrough: ["basic", "emacsy"]
 25.3042 +  };
 25.3043 +  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
 25.3044 +  keyMap.emacsy = {
 25.3045 +    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
 25.3046 +    "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
 25.3047 +    "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
 25.3048 +    "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
 25.3049 +  };
 25.3050 +
 25.3051 +  // KEYMAP DISPATCH
 25.3052 +
 25.3053 +  function getKeyMap(val) {
 25.3054 +    if (typeof val == "string") return keyMap[val];
 25.3055 +    else return val;
 25.3056 +  }
 25.3057 +
 25.3058 +  function lookupKey(name, maps, handle, stop) {
 25.3059 +    function lookup(map) {
 25.3060 +      map = getKeyMap(map);
 25.3061 +      var found = map[name];
 25.3062 +      if (found === false) {
 25.3063 +        if (stop) stop();
 25.3064 +        return true;
 25.3065 +      }
 25.3066 +      if (found != null && handle(found)) return true;
 25.3067 +      if (map.nofallthrough) {
 25.3068 +        if (stop) stop();
 25.3069 +        return true;
 25.3070 +      }
 25.3071 +      var fallthrough = map.fallthrough;
 25.3072 +      if (fallthrough == null) return false;
 25.3073 +      if (Object.prototype.toString.call(fallthrough) != "[object Array]")
 25.3074 +        return lookup(fallthrough);
 25.3075 +      for (var i = 0, e = fallthrough.length; i < e; ++i) {
 25.3076 +        if (lookup(fallthrough[i])) return true;
 25.3077 +      }
 25.3078 +      return false;
 25.3079 +    }
 25.3080 +
 25.3081 +    for (var i = 0; i < maps.length; ++i)
 25.3082 +      if (lookup(maps[i])) return true;
 25.3083 +  }
 25.3084 +  function isModifierKey(event) {
 25.3085 +    var name = keyNames[e_prop(event, "keyCode")];
 25.3086 +    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
 25.3087 +  }
 25.3088 +  CodeMirror.isModifierKey = isModifierKey;
 25.3089 +
 25.3090 +  // FROMTEXTAREA
 25.3091 +
 25.3092 +  CodeMirror.fromTextArea = function(textarea, options) {
 25.3093 +    if (!options) options = {};
 25.3094 +    options.value = textarea.value;
 25.3095 +    if (!options.tabindex && textarea.tabindex)
 25.3096 +      options.tabindex = textarea.tabindex;
 25.3097 +    // Set autofocus to true if this textarea is focused, or if it has
 25.3098 +    // autofocus and no other element is focused.
 25.3099 +    if (options.autofocus == null) {
 25.3100 +      var hasFocus = document.body;
 25.3101 +      // doc.activeElement occasionally throws on IE
 25.3102 +      try { hasFocus = document.activeElement; } catch(e) {}
 25.3103 +      options.autofocus = hasFocus == textarea ||
 25.3104 +        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
 25.3105 +    }
 25.3106 +
 25.3107 +    function save() {textarea.value = cm.getValue();}
 25.3108 +    if (textarea.form) {
 25.3109 +      // Deplorable hack to make the submit method do the right thing.
 25.3110 +      on(textarea.form, "submit", save);
 25.3111 +      var form = textarea.form, realSubmit = form.submit;
 25.3112 +      try {
 25.3113 +        form.submit = function wrappedSubmit() {
 25.3114 +          save();
 25.3115 +          form.submit = realSubmit;
 25.3116 +          form.submit();
 25.3117 +          form.submit = wrappedSubmit;
 25.3118 +        };
 25.3119 +      } catch(e) {}
 25.3120 +    }
 25.3121 +
 25.3122 +    textarea.style.display = "none";
 25.3123 +    var cm = CodeMirror(function(node) {
 25.3124 +      textarea.parentNode.insertBefore(node, textarea.nextSibling);
 25.3125 +    }, options);
 25.3126 +    cm.save = save;
 25.3127 +    cm.getTextArea = function() { return textarea; };
 25.3128 +    cm.toTextArea = function() {
 25.3129 +      save();
 25.3130 +      textarea.parentNode.removeChild(cm.getWrapperElement());
 25.3131 +      textarea.style.display = "";
 25.3132 +      if (textarea.form) {
 25.3133 +        off(textarea.form, "submit", save);
 25.3134 +        if (typeof textarea.form.submit == "function")
 25.3135 +          textarea.form.submit = realSubmit;
 25.3136 +      }
 25.3137 +    };
 25.3138 +    return cm;
 25.3139 +  };
 25.3140 +
 25.3141 +  // STRING STREAM
 25.3142 +
 25.3143 +  // Fed to the mode parsers, provides helper functions to make
 25.3144 +  // parsers more succinct.
 25.3145 +
 25.3146 +  // The character stream used by a mode's parser.
 25.3147 +  function StringStream(string, tabSize) {
 25.3148 +    this.pos = this.start = 0;
 25.3149 +    this.string = string;
 25.3150 +    this.tabSize = tabSize || 8;
 25.3151 +  }
 25.3152 +
 25.3153 +  StringStream.prototype = {
 25.3154 +    eol: function() {return this.pos >= this.string.length;},
 25.3155 +    sol: function() {return this.pos == 0;},
 25.3156 +    peek: function() {return this.string.charAt(this.pos) || undefined;},
 25.3157 +    next: function() {
 25.3158 +      if (this.pos < this.string.length)
 25.3159 +        return this.string.charAt(this.pos++);
 25.3160 +    },
 25.3161 +    eat: function(match) {
 25.3162 +      var ch = this.string.charAt(this.pos);
 25.3163 +      if (typeof match == "string") var ok = ch == match;
 25.3164 +      else var ok = ch && (match.test ? match.test(ch) : match(ch));
 25.3165 +      if (ok) {++this.pos; return ch;}
 25.3166 +    },
 25.3167 +    eatWhile: function(match) {
 25.3168 +      var start = this.pos;
 25.3169 +      while (this.eat(match)){}
 25.3170 +      return this.pos > start;
 25.3171 +    },
 25.3172 +    eatSpace: function() {
 25.3173 +      var start = this.pos;
 25.3174 +      while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
 25.3175 +      return this.pos > start;
 25.3176 +    },
 25.3177 +    skipToEnd: function() {this.pos = this.string.length;},
 25.3178 +    skipTo: function(ch) {
 25.3179 +      var found = this.string.indexOf(ch, this.pos);
 25.3180 +      if (found > -1) {this.pos = found; return true;}
 25.3181 +    },
 25.3182 +    backUp: function(n) {this.pos -= n;},
 25.3183 +    column: function() {return countColumn(this.string, this.start, this.tabSize);},
 25.3184 +    indentation: function() {return countColumn(this.string, null, this.tabSize);},
 25.3185 +    match: function(pattern, consume, caseInsensitive) {
 25.3186 +      if (typeof pattern == "string") {
 25.3187 +        var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
 25.3188 +        if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) {
 25.3189 +          if (consume !== false) this.pos += pattern.length;
 25.3190 +          return true;
 25.3191 +        }
 25.3192 +      } else {
 25.3193 +        var match = this.string.slice(this.pos).match(pattern);
 25.3194 +        if (match && match.index > 0) return null;
 25.3195 +        if (match && consume !== false) this.pos += match[0].length;
 25.3196 +        return match;
 25.3197 +      }
 25.3198 +    },
 25.3199 +    current: function(){return this.string.slice(this.start, this.pos);}
 25.3200 +  };
 25.3201 +  CodeMirror.StringStream = StringStream;
 25.3202 +
 25.3203 +  // TEXTMARKERS
 25.3204 +
 25.3205 +  function TextMarker(cm, type) {
 25.3206 +    this.lines = [];
 25.3207 +    this.type = type;
 25.3208 +    this.cm = cm;
 25.3209 +  }
 25.3210 +
 25.3211 +  TextMarker.prototype.clear = function() {
 25.3212 +    if (this.explicitlyCleared) return;
 25.3213 +    startOperation(this.cm);
 25.3214 +    var min = null, max = null;
 25.3215 +    for (var i = 0; i < this.lines.length; ++i) {
 25.3216 +      var line = this.lines[i];
 25.3217 +      var span = getMarkedSpanFor(line.markedSpans, this);
 25.3218 +      if (span.to != null) max = lineNo(line);
 25.3219 +      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
 25.3220 +      if (span.from != null)
 25.3221 +        min = lineNo(line);
 25.3222 +      else if (this.collapsed && !lineIsHidden(line))
 25.3223 +        updateLineHeight(line, textHeight(this.cm.display));
 25.3224 +    }
 25.3225 +    if (min != null) regChange(this.cm, min, max + 1);
 25.3226 +    this.lines.length = 0;
 25.3227 +    this.explicitlyCleared = true;
 25.3228 +    if (this.collapsed && this.cm.view.cantEdit) {
 25.3229 +      this.cm.view.cantEdit = false;
 25.3230 +      reCheckSelection(this.cm);
 25.3231 +    }
 25.3232 +    endOperation(this.cm);
 25.3233 +    signalLater(this.cm, this, "clear");
 25.3234 +  };
 25.3235 +
 25.3236 +  TextMarker.prototype.find = function() {
 25.3237 +    var from, to;
 25.3238 +    for (var i = 0; i < this.lines.length; ++i) {
 25.3239 +      var line = this.lines[i];
 25.3240 +      var span = getMarkedSpanFor(line.markedSpans, this);
 25.3241 +      if (span.from != null || span.to != null) {
 25.3242 +        var found = lineNo(line);
 25.3243 +        if (span.from != null) from = {line: found, ch: span.from};
 25.3244 +        if (span.to != null) to = {line: found, ch: span.to};
 25.3245 +      }
 25.3246 +    }
 25.3247 +    if (this.type == "bookmark") return from;
 25.3248 +    return from && {from: from, to: to};
 25.3249 +  };
 25.3250 +
 25.3251 +  function markText(cm, from, to, options, type) {
 25.3252 +    var doc = cm.view.doc;
 25.3253 +    var marker = new TextMarker(cm, type);
 25.3254 +    if (type == "range" && !posLess(from, to)) return marker;
 25.3255 +    if (options) for (var opt in options) if (options.hasOwnProperty(opt))
 25.3256 +      marker[opt] = options[opt];
 25.3257 +    if (marker.replacedWith) {
 25.3258 +      marker.collapsed = true;
 25.3259 +      marker.replacedWith = elt("span", [marker.replacedWith], "CodeMirror-widget");
 25.3260 +    }
 25.3261 +    if (marker.collapsed) sawCollapsedSpans = true;
 25.3262 +
 25.3263 +    var curLine = from.line, size = 0, collapsedAtStart, collapsedAtEnd;
 25.3264 +    doc.iter(curLine, to.line + 1, function(line) {
 25.3265 +      var span = {from: null, to: null, marker: marker};
 25.3266 +      size += line.text.length;
 25.3267 +      if (curLine == from.line) {span.from = from.ch; size -= from.ch;}
 25.3268 +      if (curLine == to.line) {span.to = to.ch; size -= line.text.length - to.ch;}
 25.3269 +      if (marker.collapsed) {
 25.3270 +        if (curLine == to.line) collapsedAtEnd = collapsedSpanAt(line, to.ch);
 25.3271 +        if (curLine == from.line) collapsedAtStart = collapsedSpanAt(line, from.ch);
 25.3272 +        else updateLineHeight(line, 0);
 25.3273 +      }
 25.3274 +      addMarkedSpan(line, span);
 25.3275 +      if (marker.collapsed && curLine == from.line && lineIsHidden(line))
 25.3276 +        updateLineHeight(line, 0);
 25.3277 +      ++curLine;
 25.3278 +    });
 25.3279 +
 25.3280 +    if (marker.readOnly) {
 25.3281 +      sawReadOnlySpans = true;
 25.3282 +      if (cm.view.history.done.length || cm.view.history.undone.length)
 25.3283 +        cm.clearHistory();
 25.3284 +    }
 25.3285 +    if (marker.collapsed) {
 25.3286 +      if (collapsedAtStart != collapsedAtEnd)
 25.3287 +        throw new Error("Inserting collapsed marker overlapping an existing one");
 25.3288 +      marker.size = size;
 25.3289 +      marker.atomic = true;
 25.3290 +    }
 25.3291 +    if (marker.className || marker.startStyle || marker.endStyle || marker.collapsed)
 25.3292 +      regChange(cm, from.line, to.line + 1);
 25.3293 +    if (marker.atomic) reCheckSelection(cm);
 25.3294 +    return marker;
 25.3295 +  }
 25.3296 +
 25.3297 +  // TEXTMARKER SPANS
 25.3298 +
 25.3299 +  function getMarkedSpanFor(spans, marker) {
 25.3300 +    if (spans) for (var i = 0; i < spans.length; ++i) {
 25.3301 +      var span = spans[i];
 25.3302 +      if (span.marker == marker) return span;
 25.3303 +    }
 25.3304 +  }
 25.3305 +  function removeMarkedSpan(spans, span) {
 25.3306 +    for (var r, i = 0; i < spans.length; ++i)
 25.3307 +      if (spans[i] != span) (r || (r = [])).push(spans[i]);
 25.3308 +    return r;
 25.3309 +  }
 25.3310 +  function addMarkedSpan(line, span) {
 25.3311 +    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
 25.3312 +    span.marker.lines.push(line);
 25.3313 +  }
 25.3314 +
 25.3315 +  function markedSpansBefore(old, startCh) {
 25.3316 +    if (old) for (var i = 0, nw; i < old.length; ++i) {
 25.3317 +      var span = old[i], marker = span.marker;
 25.3318 +      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
 25.3319 +      if (startsBefore || marker.type == "bookmark" && span.from == startCh) {
 25.3320 +        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
 25.3321 +        (nw || (nw = [])).push({from: span.from,
 25.3322 +                                to: endsAfter ? null : span.to,
 25.3323 +                                marker: marker});
 25.3324 +      }
 25.3325 +    }
 25.3326 +    return nw;
 25.3327 +  }
 25.3328 +
 25.3329 +  function markedSpansAfter(old, startCh, endCh) {
 25.3330 +    if (old) for (var i = 0, nw; i < old.length; ++i) {
 25.3331 +      var span = old[i], marker = span.marker;
 25.3332 +      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
 25.3333 +      if (endsAfter || marker.type == "bookmark" && span.from == endCh && span.from != startCh) {
 25.3334 +        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
 25.3335 +        (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh,
 25.3336 +                                to: span.to == null ? null : span.to - endCh,
 25.3337 +                                marker: marker});
 25.3338 +      }
 25.3339 +    }
 25.3340 +    return nw;
 25.3341 +  }
 25.3342 +
 25.3343 +  function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) {
 25.3344 +    if (!oldFirst && !oldLast) return newText;
 25.3345 +    // Get the spans that 'stick out' on both sides
 25.3346 +    var first = markedSpansBefore(oldFirst, startCh);
 25.3347 +    var last = markedSpansAfter(oldLast, startCh, endCh);
 25.3348 +
 25.3349 +    // Next, merge those two ends
 25.3350 +    var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0);
 25.3351 +    if (first) {
 25.3352 +      // Fix up .to properties of first
 25.3353 +      for (var i = 0; i < first.length; ++i) {
 25.3354 +        var span = first[i];
 25.3355 +        if (span.to == null) {
 25.3356 +          var found = getMarkedSpanFor(last, span.marker);
 25.3357 +          if (!found) span.to = startCh;
 25.3358 +          else if (sameLine) span.to = found.to == null ? null : found.to + offset;
 25.3359 +        }
 25.3360 +      }
 25.3361 +    }
 25.3362 +    if (last) {
 25.3363 +      // Fix up .from in last (or move them into first in case of sameLine)
 25.3364 +      for (var i = 0; i < last.length; ++i) {
 25.3365 +        var span = last[i];
 25.3366 +        if (span.to != null) span.to += offset;
 25.3367 +        if (span.from == null) {
 25.3368 +          var found = getMarkedSpanFor(first, span.marker);
 25.3369 +          if (!found) {
 25.3370 +            span.from = offset;
 25.3371 +            if (sameLine) (first || (first = [])).push(span);
 25.3372 +          }
 25.3373 +        } else {
 25.3374 +          span.from += offset;
 25.3375 +          if (sameLine) (first || (first = [])).push(span);
 25.3376 +        }
 25.3377 +      }
 25.3378 +    }
 25.3379 +
 25.3380 +    var newMarkers = [newHL(newText[0], first)];
 25.3381 +    if (!sameLine) {
 25.3382 +      // Fill gap with whole-line-spans
 25.3383 +      var gap = newText.length - 2, gapMarkers;
 25.3384 +      if (gap > 0 && first)
 25.3385 +        for (var i = 0; i < first.length; ++i)
 25.3386 +          if (first[i].to == null)
 25.3387 +            (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker});
 25.3388 +      for (var i = 0; i < gap; ++i)
 25.3389 +        newMarkers.push(newHL(newText[i+1], gapMarkers));
 25.3390 +      newMarkers.push(newHL(lst(newText), last));
 25.3391 +    }
 25.3392 +    return newMarkers;
 25.3393 +  }
 25.3394 +
 25.3395 +  function removeReadOnlyRanges(doc, from, to) {
 25.3396 +    var markers = null;
 25.3397 +    doc.iter(from.line, to.line + 1, function(line) {
 25.3398 +      if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
 25.3399 +        var mark = line.markedSpans[i].marker;
 25.3400 +        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
 25.3401 +          (markers || (markers = [])).push(mark);
 25.3402 +      }
 25.3403 +    });
 25.3404 +    if (!markers) return null;
 25.3405 +    var parts = [{from: from, to: to}];
 25.3406 +    for (var i = 0; i < markers.length; ++i) {
 25.3407 +      var m = markers[i].find();
 25.3408 +      for (var j = 0; j < parts.length; ++j) {
 25.3409 +        var p = parts[j];
 25.3410 +        if (!posLess(m.from, p.to) || posLess(m.to, p.from)) continue;
 25.3411 +        var newParts = [j, 1];
 25.3412 +        if (posLess(p.from, m.from)) newParts.push({from: p.from, to: m.from});
 25.3413 +        if (posLess(m.to, p.to)) newParts.push({from: m.to, to: p.to});
 25.3414 +        parts.splice.apply(parts, newParts);
 25.3415 +        j += newParts.length - 1;
 25.3416 +      }
 25.3417 +    }
 25.3418 +    return parts;
 25.3419 +  }
 25.3420 +
 25.3421 +  function collapsedSpanAt(line, ch) {
 25.3422 +    var sps = sawCollapsedSpans && line.markedSpans, found;
 25.3423 +    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
 25.3424 +      sp = sps[i];
 25.3425 +      if (!sp.marker.collapsed) continue;
 25.3426 +      if ((sp.from == null || sp.from < ch) &&
 25.3427 +          (sp.to == null || sp.to > ch) &&
 25.3428 +          (!found || found.width < sp.marker.width))
 25.3429 +        found = sp.marker;
 25.3430 +    }
 25.3431 +    return found;
 25.3432 +  }
 25.3433 +  function collapsedSpanAtStart(line) { return collapsedSpanAt(line, -1); }
 25.3434 +  function collapsedSpanAtEnd(line) { return collapsedSpanAt(line, line.text.length + 1); }
 25.3435 +
 25.3436 +  function visualLine(doc, line) {
 25.3437 +    var merged;
 25.3438 +    while (merged = collapsedSpanAtStart(line))
 25.3439 +      line = getLine(doc, merged.find().from.line);
 25.3440 +    return line;
 25.3441 +  }
 25.3442 +
 25.3443 +  function lineIsHidden(line) {
 25.3444 +    var sps = sawCollapsedSpans && line.markedSpans;
 25.3445 +    if (sps) for (var sp, i = 0; i < sps.length; ++i) {
 25.3446 +      sp = sps[i];
 25.3447 +      if (!sp.marker.collapsed) continue;
 25.3448 +      if (sp.from == null) return true;
 25.3449 +      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(line, sp))
 25.3450 +        return true;
 25.3451 +    }
 25.3452 +  }
 25.3453 +  window.lineIsHidden = lineIsHidden;
 25.3454 +  function lineIsHiddenInner(line, span) {
 25.3455 +    if (span.to == null || span.marker.inclusiveRight && span.to == line.text.length)
 25.3456 +      return true;
 25.3457 +    for (var sp, i = 0; i < line.markedSpans.length; ++i) {
 25.3458 +      sp = line.markedSpans[i];
 25.3459 +      if (sp.marker.collapsed && sp.from == span.to &&
 25.3460 +          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
 25.3461 +          lineIsHiddenInner(line, sp)) return true;
 25.3462 +    }
 25.3463 +  }
 25.3464 +
 25.3465 +  // hl stands for history-line, a data structure that can be either a
 25.3466 +  // string (line without markers) or a {text, markedSpans} object.
 25.3467 +  function hlText(val) { return typeof val == "string" ? val : val.text; }
 25.3468 +  function hlSpans(val) {
 25.3469 +    if (typeof val == "string") return null;
 25.3470 +    var spans = val.markedSpans, out = null;
 25.3471 +    for (var i = 0; i < spans.length; ++i) {
 25.3472 +      if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
 25.3473 +      else if (out) out.push(spans[i]);
 25.3474 +    }
 25.3475 +    return !out ? spans : out.length ? out : null;
 25.3476 +  }
 25.3477 +  function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; }
 25.3478 +
 25.3479 +  function detachMarkedSpans(line) {
 25.3480 +    var spans = line.markedSpans;
 25.3481 +    if (!spans) return;
 25.3482 +    for (var i = 0; i < spans.length; ++i) {
 25.3483 +      var lines = spans[i].marker.lines;
 25.3484 +      var ix = indexOf(lines, line);
 25.3485 +      lines.splice(ix, 1);
 25.3486 +    }
 25.3487 +    line.markedSpans = null;
 25.3488 +  }
 25.3489 +
 25.3490 +  function attachMarkedSpans(line, spans) {
 25.3491 +    if (!spans) return;
 25.3492 +    for (var i = 0; i < spans.length; ++i)
 25.3493 +      spans[i].marker.lines.push(line);
 25.3494 +    line.markedSpans = spans;
 25.3495 +  }
 25.3496 +
 25.3497 +  // LINE DATA STRUCTURE
 25.3498 +
 25.3499 +  // Line objects. These hold state related to a line, including
 25.3500 +  // highlighting info (the styles array).
 25.3501 +  function makeLine(text, markedSpans, height) {
 25.3502 +    var line = {text: text, height: height};
 25.3503 +    attachMarkedSpans(line, markedSpans);
 25.3504 +    if (lineIsHidden(line)) line.height = 0;
 25.3505 +    return line;
 25.3506 +  }
 25.3507 +
 25.3508 +  function updateLine(cm, line, text, markedSpans) {
 25.3509 +    line.text = text;
 25.3510 +    line.stateAfter = line.styles = null;
 25.3511 +    if (line.order != null) line.order = null;
 25.3512 +    detachMarkedSpans(line);
 25.3513 +    attachMarkedSpans(line, markedSpans);
 25.3514 +    if (lineIsHidden(line)) line.height = 0;
 25.3515 +    else if (!line.height) line.height = textHeight(cm.display);
 25.3516 +    signalLater(cm, line, "change");
 25.3517 +  }
 25.3518 +
 25.3519 +  function cleanUpLine(line) {
 25.3520 +    line.parent = null;
 25.3521 +    detachMarkedSpans(line);
 25.3522 +  }
 25.3523 +
 25.3524 +  // Run the given mode's parser over a line, update the styles
 25.3525 +  // array, which contains alternating fragments of text and CSS
 25.3526 +  // classes.
 25.3527 +  function highlightLine(cm, line, state) {
 25.3528 +    var mode = cm.view.mode, flattenSpans = cm.options.flattenSpans;
 25.3529 +    var changed = !line.styles, pos = 0, curText = "", curStyle = null;
 25.3530 +    var stream = new StringStream(line.text, cm.options.tabSize), st = line.styles || (line.styles = []);
 25.3531 +    if (line.text == "" && mode.blankLine) mode.blankLine(state);
 25.3532 +    while (!stream.eol()) {
 25.3533 +      var style = mode.token(stream, state), substr = stream.current();
 25.3534 +      stream.start = stream.pos;
 25.3535 +      if (!flattenSpans || curStyle != style) {
 25.3536 +        if (curText) {
 25.3537 +          changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
 25.3538 +          st[pos++] = curText; st[pos++] = curStyle;
 25.3539 +        }
 25.3540 +        curText = substr; curStyle = style;
 25.3541 +      } else curText = curText + substr;
 25.3542 +      // Give up when line is ridiculously long
 25.3543 +      if (stream.pos > 5000) break;
 25.3544 +    }
 25.3545 +    if (curText) {
 25.3546 +      changed = changed || pos >= st.length || curText != st[pos] || curStyle != st[pos+1];
 25.3547 +      st[pos++] = curText; st[pos++] = curStyle;
 25.3548 +    }
 25.3549 +    if (stream.pos > 5000) { st[pos++] = line.text.slice(stream.pos); st[pos++] = null; }
 25.3550 +    if (pos != st.length) { st.length = pos; changed = true; }
 25.3551 +    return changed;
 25.3552 +  }
 25.3553 +
 25.3554 +  // Lightweight form of highlight -- proceed over this line and
 25.3555 +  // update state, but don't save a style array.
 25.3556 +  function processLine(cm, line, state) {
 25.3557 +    var mode = cm.view.mode;
 25.3558 +    var stream = new StringStream(line.text, cm.options.tabSize);
 25.3559 +    if (line.text == "" && mode.blankLine) mode.blankLine(state);
 25.3560 +    while (!stream.eol() && stream.pos <= 5000) {
 25.3561 +      mode.token(stream, state);
 25.3562 +      stream.start = stream.pos;
 25.3563 +    }
 25.3564 +  }
 25.3565 +
 25.3566 +  var styleToClassCache = {};
 25.3567 +  function styleToClass(style) {
 25.3568 +    if (!style) return null;
 25.3569 +    return styleToClassCache[style] ||
 25.3570 +      (styleToClassCache[style] = "cm-" + style.replace(/ +/g, " cm-"));
 25.3571 +  }
 25.3572 +
 25.3573 +  function lineContent(cm, realLine, measure) {
 25.3574 +    var merged, line = realLine, lineBefore, sawBefore, simple = true;
 25.3575 +    while (merged = collapsedSpanAtStart(line)) {
 25.3576 +      simple = false;
 25.3577 +      line = getLine(cm.view.doc, merged.find().from.line);
 25.3578 +      if (!lineBefore) lineBefore = line;
 25.3579 +    }
 25.3580 +
 25.3581 +    var builder = {pre: elt("pre"), col: 0, pos: 0, display: !measure,
 25.3582 +                   measure: null, addedOne: false, cm: cm};
 25.3583 +    if (line.textClass) builder.pre.className = line.textClass;
 25.3584 +
 25.3585 +    do {
 25.3586 +      if (!line.styles)
 25.3587 +        highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line)));
 25.3588 +      builder.measure = line == realLine && measure;
 25.3589 +      builder.pos = 0;
 25.3590 +      builder.addToken = builder.measure ? buildTokenMeasure : buildToken;
 25.3591 +      if (measure && sawBefore && line != realLine && !builder.addedOne) {
 25.3592 +        measure[0] = builder.pre.appendChild(zeroWidthElement(cm.display.measure));
 25.3593 +        builder.addedOne = true;
 25.3594 +      }
 25.3595 +      var next = insertLineContent(line, builder);
 25.3596 +      sawBefore = line == lineBefore;
 25.3597 +      if (next) {
 25.3598 +        line = getLine(cm.view.doc, next.to.line);
 25.3599 +        simple = false;
 25.3600 +      }
 25.3601 +    } while (next);
 25.3602 +
 25.3603 +    if (measure && !builder.addedOne)
 25.3604 +      measure[0] = builder.pre.appendChild(simple ? elt("span", "\u00a0") : zeroWidthElement(cm.display.measure));
 25.3605 +    if (!builder.pre.firstChild && !lineIsHidden(realLine))
 25.3606 +      builder.pre.appendChild(document.createTextNode("\u00a0"));
 25.3607 +
 25.3608 +    return builder.pre;
 25.3609 +  }
 25.3610 +
 25.3611 +  var tokenSpecialChars = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g;
 25.3612 +  function buildToken(builder, text, style, startStyle, endStyle) {
 25.3613 +    if (!text) return;
 25.3614 +    if (!tokenSpecialChars.test(text)) {
 25.3615 +      builder.col += text.length;
 25.3616 +      var content = document.createTextNode(text);
 25.3617 +    } else {
 25.3618 +      var content = document.createDocumentFragment(), pos = 0;
 25.3619 +      while (true) {
 25.3620 +        tokenSpecialChars.lastIndex = pos;
 25.3621 +        var m = tokenSpecialChars.exec(text);
 25.3622 +        var skipped = m ? m.index - pos : text.length - pos;
 25.3623 +        if (skipped) {
 25.3624 +          content.appendChild(document.createTextNode(text.slice(pos, pos + skipped)));
 25.3625 +          builder.col += skipped;
 25.3626 +        }
 25.3627 +        if (!m) break;
 25.3628 +        pos += skipped + 1;
 25.3629 +        if (m[0] == "\t") {
 25.3630 +          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
 25.3631 +          content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
 25.3632 +          builder.col += tabWidth;
 25.3633 +        } else {
 25.3634 +          var token = elt("span", "\u2022", "cm-invalidchar");
 25.3635 +          token.title = "\\u" + m[0].charCodeAt(0).toString(16);
 25.3636 +          content.appendChild(token);
 25.3637 +          builder.col += 1;
 25.3638 +        }
 25.3639 +      }
 25.3640 +    }
 25.3641 +    if (style || startStyle || endStyle || builder.measure) {
 25.3642 +      var fullStyle = style || "";
 25.3643 +      if (startStyle) fullStyle += startStyle;
 25.3644 +      if (endStyle) fullStyle += endStyle;
 25.3645 +      return builder.pre.appendChild(elt("span", [content], fullStyle));
 25.3646 +    }
 25.3647 +    builder.pre.appendChild(content);
 25.3648 +  }
 25.3649 +
 25.3650 +  function buildTokenMeasure(builder, text, style, startStyle, endStyle) {
 25.3651 +    for (var i = 0; i < text.length; ++i) {
 25.3652 +      if (i && i < text.length - 1 &&
 25.3653 +          builder.cm.options.lineWrapping &&
 25.3654 +          spanAffectsWrapping.test(text.slice(i - 1, i + 1)))
 25.3655 +        builder.pre.appendChild(elt("wbr"));
 25.3656 +      builder.measure[builder.pos++] =
 25.3657 +        buildToken(builder, text.charAt(i), style,
 25.3658 +                   i == 0 && startStyle, i == text.length - 1 && endStyle);
 25.3659 +    }
 25.3660 +    if (text.length) builder.addedOne = true;
 25.3661 +  }
 25.3662 +
 25.3663 +  function buildCollapsedSpan(builder, size, widget) {
 25.3664 +    if (widget) {
 25.3665 +      if (!builder.display) widget = widget.cloneNode(true);
 25.3666 +      builder.pre.appendChild(widget);
 25.3667 +      if (builder.measure && size) {
 25.3668 +        builder.measure[builder.pos] = widget;
 25.3669 +        builder.addedOne = true;
 25.3670 +      }
 25.3671 +    }
 25.3672 +    builder.pos += size;
 25.3673 +  }
 25.3674 +
 25.3675 +  // Outputs a number of spans to make up a line, taking highlighting
 25.3676 +  // and marked text into account.
 25.3677 +  function insertLineContent(line, builder) {
 25.3678 +    var st = line.styles, spans = line.markedSpans;
 25.3679 +    if (!spans) {
 25.3680 +      for (var i = 0; i < st.length; i+=2)
 25.3681 +        builder.addToken(builder, st[i], styleToClass(st[i+1]));
 25.3682 +      return;
 25.3683 +    }
 25.3684 +
 25.3685 +    var allText = line.text, len = allText.length;
 25.3686 +    var pos = 0, i = 0, text = "", style;
 25.3687 +    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed;
 25.3688 +    for (;;) {
 25.3689 +      if (nextChange == pos) { // Update current marker set
 25.3690 +        spanStyle = spanEndStyle = spanStartStyle = "";
 25.3691 +        collapsed = null; nextChange = Infinity;
 25.3692 +        var foundBookmark = null;
 25.3693 +        for (var j = 0; j < spans.length; ++j) {
 25.3694 +          var sp = spans[j], m = sp.marker;
 25.3695 +          if (sp.from <= pos && (sp.to == null || sp.to > pos)) {
 25.3696 +            if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }
 25.3697 +            if (m.className) spanStyle += " " + m.className;
 25.3698 +            if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
 25.3699 +            if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
 25.3700 +            if (m.collapsed && (!collapsed || collapsed.marker.width < m.width))
 25.3701 +              collapsed = sp;
 25.3702 +          } else if (sp.from > pos && nextChange > sp.from) {
 25.3703 +            nextChange = sp.from;
 25.3704 +          }
 25.3705 +          if (m.type == "bookmark" && sp.from == pos && m.replacedWith)
 25.3706 +            foundBookmark = m.replacedWith;
 25.3707 +        }
 25.3708 +        if (collapsed && (collapsed.from || 0) == pos) {
 25.3709 +          buildCollapsedSpan(builder, (collapsed.to == null ? len : collapsed.to) - pos,
 25.3710 +                             collapsed.from != null && collapsed.marker.replacedWith);
 25.3711 +          if (collapsed.to == null) return collapsed.marker.find();
 25.3712 +        }
 25.3713 +        if (foundBookmark && !collapsed) buildCollapsedSpan(builder, 0, foundBookmark);
 25.3714 +      }
 25.3715 +      if (pos >= len) break;
 25.3716 +
 25.3717 +      var upto = Math.min(len, nextChange);
 25.3718 +      while (true) {
 25.3719 +        if (text) {
 25.3720 +          var end = pos + text.length;
 25.3721 +          if (!collapsed) {
 25.3722 +            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
 25.3723 +            builder.addToken(builder, tokenText, style + spanStyle,
 25.3724 +                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "");
 25.3725 +          }
 25.3726 +          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
 25.3727 +          pos = end;
 25.3728 +          spanStartStyle = "";
 25.3729 +        }
 25.3730 +        text = st[i++]; style = styleToClass(st[i++]);
 25.3731 +      }
 25.3732 +    }
 25.3733 +  }
 25.3734 +
 25.3735 +  // DOCUMENT DATA STRUCTURE
 25.3736 +
 25.3737 +  function LeafChunk(lines) {
 25.3738 +    this.lines = lines;
 25.3739 +    this.parent = null;
 25.3740 +    for (var i = 0, e = lines.length, height = 0; i < e; ++i) {
 25.3741 +      lines[i].parent = this;
 25.3742 +      height += lines[i].height;
 25.3743 +    }
 25.3744 +    this.height = height;
 25.3745 +  }
 25.3746 +
 25.3747 +  LeafChunk.prototype = {
 25.3748 +    chunkSize: function() { return this.lines.length; },
 25.3749 +    remove: function(at, n, cm) {
 25.3750 +      for (var i = at, e = at + n; i < e; ++i) {
 25.3751 +        var line = this.lines[i];
 25.3752 +        this.height -= line.height;
 25.3753 +        cleanUpLine(line);
 25.3754 +        signalLater(cm, line, "delete");
 25.3755 +      }
 25.3756 +      this.lines.splice(at, n);
 25.3757 +    },
 25.3758 +    collapse: function(lines) {
 25.3759 +      lines.splice.apply(lines, [lines.length, 0].concat(this.lines));
 25.3760 +    },
 25.3761 +    insertHeight: function(at, lines, height) {
 25.3762 +      this.height += height;
 25.3763 +      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
 25.3764 +      for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this;
 25.3765 +    },
 25.3766 +    iterN: function(at, n, op) {
 25.3767 +      for (var e = at + n; at < e; ++at)
 25.3768 +        if (op(this.lines[at])) return true;
 25.3769 +    }
 25.3770 +  };
 25.3771 +
 25.3772 +  function BranchChunk(children) {
 25.3773 +    this.children = children;
 25.3774 +    var size = 0, height = 0;
 25.3775 +    for (var i = 0, e = children.length; i < e; ++i) {
 25.3776 +      var ch = children[i];
 25.3777 +      size += ch.chunkSize(); height += ch.height;
 25.3778 +      ch.parent = this;
 25.3779 +    }
 25.3780 +    this.size = size;
 25.3781 +    this.height = height;
 25.3782 +    this.parent = null;
 25.3783 +  }
 25.3784 +
 25.3785 +  BranchChunk.prototype = {
 25.3786 +    chunkSize: function() { return this.size; },
 25.3787 +    remove: function(at, n, callbacks) {
 25.3788 +      this.size -= n;
 25.3789 +      for (var i = 0; i < this.children.length; ++i) {
 25.3790 +        var child = this.children[i], sz = child.chunkSize();
 25.3791 +        if (at < sz) {
 25.3792 +          var rm = Math.min(n, sz - at), oldHeight = child.height;
 25.3793 +          child.remove(at, rm, callbacks);
 25.3794 +          this.height -= oldHeight - child.height;
 25.3795 +          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
 25.3796 +          if ((n -= rm) == 0) break;
 25.3797 +          at = 0;
 25.3798 +        } else at -= sz;
 25.3799 +      }
 25.3800 +      if (this.size - n < 25) {
 25.3801 +        var lines = [];
 25.3802 +        this.collapse(lines);
 25.3803 +        this.children = [new LeafChunk(lines)];
 25.3804 +        this.children[0].parent = this;
 25.3805 +      }
 25.3806 +    },
 25.3807 +    collapse: function(lines) {
 25.3808 +      for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines);
 25.3809 +    },
 25.3810 +    insert: function(at, lines) {
 25.3811 +      var height = 0;
 25.3812 +      for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height;
 25.3813 +      this.insertHeight(at, lines, height);
 25.3814 +    },
 25.3815 +    insertHeight: function(at, lines, height) {
 25.3816 +      this.size += lines.length;
 25.3817 +      this.height += height;
 25.3818 +      for (var i = 0, e = this.children.length; i < e; ++i) {
 25.3819 +        var child = this.children[i], sz = child.chunkSize();
 25.3820 +        if (at <= sz) {
 25.3821 +          child.insertHeight(at, lines, height);
 25.3822 +          if (child.lines && child.lines.length > 50) {
 25.3823 +            while (child.lines.length > 50) {
 25.3824 +              var spilled = child.lines.splice(child.lines.length - 25, 25);
 25.3825 +              var newleaf = new LeafChunk(spilled);
 25.3826 +              child.height -= newleaf.height;
 25.3827 +              this.children.splice(i + 1, 0, newleaf);
 25.3828 +              newleaf.parent = this;
 25.3829 +            }
 25.3830 +            this.maybeSpill();
 25.3831 +          }
 25.3832 +          break;
 25.3833 +        }
 25.3834 +        at -= sz;
 25.3835 +      }
 25.3836 +    },
 25.3837 +    maybeSpill: function() {
 25.3838 +      if (this.children.length <= 10) return;
 25.3839 +      var me = this;
 25.3840 +      do {
 25.3841 +        var spilled = me.children.splice(me.children.length - 5, 5);
 25.3842 +        var sibling = new BranchChunk(spilled);
 25.3843 +        if (!me.parent) { // Become the parent node
 25.3844 +          var copy = new BranchChunk(me.children);
 25.3845 +          copy.parent = me;
 25.3846 +          me.children = [copy, sibling];
 25.3847 +          me = copy;
 25.3848 +        } else {
 25.3849 +          me.size -= sibling.size;
 25.3850 +          me.height -= sibling.height;
 25.3851 +          var myIndex = indexOf(me.parent.children, me);
 25.3852 +          me.parent.children.splice(myIndex + 1, 0, sibling);
 25.3853 +        }
 25.3854 +        sibling.parent = me.parent;
 25.3855 +      } while (me.children.length > 10);
 25.3856 +      me.parent.maybeSpill();
 25.3857 +    },
 25.3858 +    iter: function(from, to, op) { this.iterN(from, to - from, op); },
 25.3859 +    iterN: function(at, n, op) {
 25.3860 +      for (var i = 0, e = this.children.length; i < e; ++i) {
 25.3861 +        var child = this.children[i], sz = child.chunkSize();
 25.3862 +        if (at < sz) {
 25.3863 +          var used = Math.min(n, sz - at);
 25.3864 +          if (child.iterN(at, used, op)) return true;
 25.3865 +          if ((n -= used) == 0) break;
 25.3866 +          at = 0;
 25.3867 +        } else at -= sz;
 25.3868 +      }
 25.3869 +    }
 25.3870 +  };
 25.3871 +
 25.3872 +  // LINE UTILITIES
 25.3873 +
 25.3874 +  function getLine(chunk, n) {
 25.3875 +    while (!chunk.lines) {
 25.3876 +      for (var i = 0;; ++i) {
 25.3877 +        var child = chunk.children[i], sz = child.chunkSize();
 25.3878 +        if (n < sz) { chunk = child; break; }
 25.3879 +        n -= sz;
 25.3880 +      }
 25.3881 +    }
 25.3882 +    return chunk.lines[n];
 25.3883 +  }
 25.3884 +
 25.3885 +  function updateLineHeight(line, height) {
 25.3886 +    var diff = height - line.height;
 25.3887 +    for (var n = line; n; n = n.parent) n.height += diff;
 25.3888 +  }
 25.3889 +
 25.3890 +  function lineNo(line) {
 25.3891 +    if (line.parent == null) return null;
 25.3892 +    var cur = line.parent, no = indexOf(cur.lines, line);
 25.3893 +    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
 25.3894 +      for (var i = 0;; ++i) {
 25.3895 +        if (chunk.children[i] == cur) break;
 25.3896 +        no += chunk.children[i].chunkSize();
 25.3897 +      }
 25.3898 +    }
 25.3899 +    return no;
 25.3900 +  }
 25.3901 +
 25.3902 +  function lineAtHeight(chunk, h) {
 25.3903 +    var n = 0;
 25.3904 +    outer: do {
 25.3905 +      for (var i = 0, e = chunk.children.length; i < e; ++i) {
 25.3906 +        var child = chunk.children[i], ch = child.height;
 25.3907 +        if (h < ch) { chunk = child; continue outer; }
 25.3908 +        h -= ch;
 25.3909 +        n += child.chunkSize();
 25.3910 +      }
 25.3911 +      return n;
 25.3912 +    } while (!chunk.lines);
 25.3913 +    for (var i = 0, e = chunk.lines.length; i < e; ++i) {
 25.3914 +      var line = chunk.lines[i], lh = line.height;
 25.3915 +      if (h < lh) break;
 25.3916 +      h -= lh;
 25.3917 +    }
 25.3918 +    return n + i;
 25.3919 +  }
 25.3920 +
 25.3921 +  function heightAtLine(cm, lineObj) {
 25.3922 +    lineObj = visualLine(cm.view.doc, lineObj);
 25.3923 +
 25.3924 +    var h = 0, chunk = lineObj.parent;
 25.3925 +    for (var i = 0; i < chunk.lines.length; ++i) {
 25.3926 +      var line = chunk.lines[i];
 25.3927 +      if (line == lineObj) break;
 25.3928 +      else h += line.height;
 25.3929 +    }
 25.3930 +    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
 25.3931 +      for (var i = 0; i < p.children.length; ++i) {
 25.3932 +        var cur = p.children[i];
 25.3933 +        if (cur == chunk) break;
 25.3934 +        else h += cur.height;
 25.3935 +      }
 25.3936 +    }
 25.3937 +    return h;
 25.3938 +  }
 25.3939 +
 25.3940 +  function getOrder(line) {
 25.3941 +    var order = line.order;
 25.3942 +    if (order == null) order = line.order = bidiOrdering(line.text);
 25.3943 +    return order;
 25.3944 +  }
 25.3945 +
 25.3946 +  // HISTORY
 25.3947 +
 25.3948 +  function makeHistory() {
 25.3949 +    return {
 25.3950 +      // Arrays of history events. Doing something adds an event to
 25.3951 +      // done and clears undo. Undoing moves events from done to
 25.3952 +      // undone, redoing moves them in the other direction.
 25.3953 +      done: [], undone: [],
 25.3954 +      // Used to track when changes can be merged into a single undo
 25.3955 +      // event
 25.3956 +      lastTime: 0, lastOp: null, lastOrigin: null,
 25.3957 +      // Used by the isClean() method
 25.3958 +      dirtyCounter: 0
 25.3959 +    };
 25.3960 +  }
 25.3961 +
 25.3962 +  function addChange(cm, start, added, old, origin, fromBefore, toBefore, fromAfter, toAfter) {
 25.3963 +    var history = cm.view.history;
 25.3964 +    history.undone.length = 0;
 25.3965 +    var time = +new Date, cur = lst(history.done);
 25.3966 +    
 25.3967 +    if (cur &&
 25.3968 +        (history.lastOp == cm.curOp.id ||
 25.3969 +         history.lastOrigin == origin && (origin == "input" || origin == "delete") &&
 25.3970 +         history.lastTime > time - 600)) {
 25.3971 +      // Merge this change into the last event
 25.3972 +      var last = lst(cur.events);
 25.3973 +      if (last.start > start + old.length || last.start + last.added < start) {
 25.3974 +        // Doesn't intersect with last sub-event, add new sub-event
 25.3975 +        cur.events.push({start: start, added: added, old: old});
 25.3976 +      } else {
 25.3977 +        // Patch up the last sub-event
 25.3978 +        var startBefore = Math.max(0, last.start - start),
 25.3979 +        endAfter = Math.max(0, (start + old.length) - (last.start + last.added));
 25.3980 +        for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]);
 25.3981 +        for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]);
 25.3982 +        if (startBefore) last.start = start;
 25.3983 +        last.added += added - (old.length - startBefore - endAfter);
 25.3984 +      }
 25.3985 +      cur.fromAfter = fromAfter; cur.toAfter = toAfter;
 25.3986 +    } else {
 25.3987 +      // Can not be merged, start a new event.
 25.3988 +      cur = {events: [{start: start, added: added, old: old}],
 25.3989 +             fromBefore: fromBefore, toBefore: toBefore, fromAfter: fromAfter, toAfter: toAfter};
 25.3990 +      history.done.push(cur);
 25.3991 +      while (history.done.length > cm.options.undoDepth)
 25.3992 +        history.done.shift();
 25.3993 +      if (history.dirtyCounter < 0)
 25.3994 +          // The user has made a change after undoing past the last clean state. 
 25.3995 +          // We can never get back to a clean state now until markClean() is called.
 25.3996 +          history.dirtyCounter = NaN;
 25.3997 +      else
 25.3998 +        history.dirtyCounter++;
 25.3999 +    }
 25.4000 +    history.lastTime = time;
 25.4001 +    history.lastOp = cm.curOp.id;
 25.4002 +    history.lastOrigin = origin;
 25.4003 +  }
 25.4004 +
 25.4005 +  // EVENT OPERATORS
 25.4006 +
 25.4007 +  function stopMethod() {e_stop(this);}
 25.4008 +  // Ensure an event has a stop method.
 25.4009 +  function addStop(event) {
 25.4010 +    if (!event.stop) event.stop = stopMethod;
 25.4011 +    return event;
 25.4012 +  }
 25.4013 +
 25.4014 +  function e_preventDefault(e) {
 25.4015 +    if (e.preventDefault) e.preventDefault();
 25.4016 +    else e.returnValue = false;
 25.4017 +  }
 25.4018 +  function e_stopPropagation(e) {
 25.4019 +    if (e.stopPropagation) e.stopPropagation();
 25.4020 +    else e.cancelBubble = true;
 25.4021 +  }
 25.4022 +  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
 25.4023 +  CodeMirror.e_stop = e_stop;
 25.4024 +  CodeMirror.e_preventDefault = e_preventDefault;
 25.4025 +  CodeMirror.e_stopPropagation = e_stopPropagation;
 25.4026 +
 25.4027 +  function e_target(e) {return e.target || e.srcElement;}
 25.4028 +  function e_button(e) {
 25.4029 +    var b = e.which;
 25.4030 +    if (b == null) {
 25.4031 +      if (e.button & 1) b = 1;
 25.4032 +      else if (e.button & 2) b = 3;
 25.4033 +      else if (e.button & 4) b = 2;
 25.4034 +    }
 25.4035 +    if (mac && e.ctrlKey && b == 1) b = 3;
 25.4036 +    return b;
 25.4037 +  }
 25.4038 +
 25.4039 +  // Allow 3rd-party code to override event properties by adding an override
 25.4040 +  // object to an event object.
 25.4041 +  function e_prop(e, prop) {
 25.4042 +    var overridden = e.override && e.override.hasOwnProperty(prop);
 25.4043 +    return overridden ? e.override[prop] : e[prop];
 25.4044 +  }
 25.4045 +
 25.4046 +  // EVENT HANDLING
 25.4047 +
 25.4048 +  function on(emitter, type, f) {
 25.4049 +    if (emitter.addEventListener)
 25.4050 +      emitter.addEventListener(type, f, false);
 25.4051 +    else if (emitter.attachEvent)
 25.4052 +      emitter.attachEvent("on" + type, f);
 25.4053 +    else {
 25.4054 +      var map = emitter._handlers || (emitter._handlers = {});
 25.4055 +      var arr = map[type] || (map[type] = []);
 25.4056 +      arr.push(f);
 25.4057 +    }
 25.4058 +  }
 25.4059 +
 25.4060 +  function off(emitter, type, f) {
 25.4061 +    if (emitter.removeEventListener)
 25.4062 +      emitter.removeEventListener(type, f, false);
 25.4063 +    else if (emitter.detachEvent)
 25.4064 +      emitter.detachEvent("on" + type, f);
 25.4065 +    else {
 25.4066 +      var arr = emitter._handlers && emitter._handlers[type];
 25.4067 +      if (!arr) return;
 25.4068 +      for (var i = 0; i < arr.length; ++i)
 25.4069 +        if (arr[i] == f) { arr.splice(i, 1); break; }
 25.4070 +    }
 25.4071 +  }
 25.4072 +
 25.4073 +  function signal(emitter, type /*, values...*/) {
 25.4074 +    var arr = emitter._handlers && emitter._handlers[type];
 25.4075 +    if (!arr) return;
 25.4076 +    var args = Array.prototype.slice.call(arguments, 2);
 25.4077 +    for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args);
 25.4078 +  }
 25.4079 +
 25.4080 +  function signalLater(cm, emitter, type /*, values...*/) {
 25.4081 +    var arr = emitter._handlers && emitter._handlers[type];
 25.4082 +    if (!arr) return;
 25.4083 +    var args = Array.prototype.slice.call(arguments, 3), flist = cm.curOp && cm.curOp.delayedCallbacks;
 25.4084 +    function bnd(f) {return function(){f.apply(null, args);};};
 25.4085 +    for (var i = 0; i < arr.length; ++i)
 25.4086 +      if (flist) flist.push(bnd(arr[i]));
 25.4087 +      else arr[i].apply(null, args);
 25.4088 +  }
 25.4089 +
 25.4090 +  function hasHandler(emitter, type) {
 25.4091 +    var arr = emitter._handlers && emitter._handlers[type];
 25.4092 +    return arr && arr.length > 0;
 25.4093 +  }
 25.4094 +
 25.4095 +  CodeMirror.on = on; CodeMirror.off = off; CodeMirror.signal = signal;
 25.4096 +
 25.4097 +  // MISC UTILITIES
 25.4098 +
 25.4099 +  // Number of pixels added to scroller and sizer to hide scrollbar
 25.4100 +  var scrollerCutOff = 30;
 25.4101 +
 25.4102 +  // Returned or thrown by various protocols to signal 'I'm not
 25.4103 +  // handling this'.
 25.4104 +  var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
 25.4105 +
 25.4106 +  function Delayed() {this.id = null;}
 25.4107 +  Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}};
 25.4108 +
 25.4109 +  // Counts the column offset in a string, taking tabs into account.
 25.4110 +  // Used mostly to find indentation.
 25.4111 +  function countColumn(string, end, tabSize) {
 25.4112 +    if (end == null) {
 25.4113 +      end = string.search(/[^\s\u00a0]/);
 25.4114 +      if (end == -1) end = string.length;
 25.4115 +    }
 25.4116 +    for (var i = 0, n = 0; i < end; ++i) {
 25.4117 +      if (string.charAt(i) == "\t") n += tabSize - (n % tabSize);
 25.4118 +      else ++n;
 25.4119 +    }
 25.4120 +    return n;
 25.4121 +  }
 25.4122 +  CodeMirror.countColumn = countColumn;
 25.4123 +
 25.4124 +  var spaceStrs = [""];
 25.4125 +  function spaceStr(n) {
 25.4126 +    while (spaceStrs.length <= n)
 25.4127 +      spaceStrs.push(lst(spaceStrs) + " ");
 25.4128 +    return spaceStrs[n];
 25.4129 +  }
 25.4130 +
 25.4131 +  function lst(arr) { return arr[arr.length-1]; }
 25.4132 +
 25.4133 +  function selectInput(node) {
 25.4134 +    if (ios) { // Mobile Safari apparently has a bug where select() is broken.
 25.4135 +      node.selectionStart = 0;
 25.4136 +      node.selectionEnd = node.value.length;
 25.4137 +    } else node.select();
 25.4138 +  }
 25.4139 +
 25.4140 +  function indexOf(collection, elt) {
 25.4141 +    if (collection.indexOf) return collection.indexOf(elt);
 25.4142 +    for (var i = 0, e = collection.length; i < e; ++i)
 25.4143 +      if (collection[i] == elt) return i;
 25.4144 +    return -1;
 25.4145 +  }
 25.4146 +
 25.4147 +  function emptyArray(size) {
 25.4148 +    for (var a = [], i = 0; i < size; ++i) a.push(undefined);
 25.4149 +    return a;
 25.4150 +  }
 25.4151 +
 25.4152 +  function bind(f) {
 25.4153 +    var args = Array.prototype.slice.call(arguments, 1);
 25.4154 +    return function(){return f.apply(null, args);};
 25.4155 +  }
 25.4156 +
 25.4157 +  var nonASCIISingleCaseWordChar = /[\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc]/;
 25.4158 +  function isWordChar(ch) {
 25.4159 +    return /\w/.test(ch) || ch > "\x80" &&
 25.4160 +      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
 25.4161 +  }
 25.4162 +
 25.4163 +  function isEmpty(obj) {
 25.4164 +    var c = 0;
 25.4165 +    for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) ++c;
 25.4166 +    return !c;
 25.4167 +  }
 25.4168 +
 25.4169 +  var isExtendingChar = /[\u0300-\u036F\u0483-\u0487\u0488-\u0489\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\uA66F\uA670-\uA672\uA674-\uA67D\uA69F]/;
 25.4170 +
 25.4171 +  // DOM UTILITIES
 25.4172 +
 25.4173 +  function elt(tag, content, className, style) {
 25.4174 +    var e = document.createElement(tag);
 25.4175 +    if (className) e.className = className;
 25.4176 +    if (style) e.style.cssText = style;
 25.4177 +    if (typeof content == "string") setTextContent(e, content);
 25.4178 +    else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
 25.4179 +    return e;
 25.4180 +  }
 25.4181 +
 25.4182 +  function removeChildren(e) {
 25.4183 +    e.innerHTML = "";
 25.4184 +    return e;
 25.4185 +  }
 25.4186 +
 25.4187 +  function removeChildrenAndAdd(parent, e) {
 25.4188 +    return removeChildren(parent).appendChild(e);
 25.4189 +  }
 25.4190 +
 25.4191 +  function setTextContent(e, str) {
 25.4192 +    if (ie_lt9) {
 25.4193 +      e.innerHTML = "";
 25.4194 +      e.appendChild(document.createTextNode(str));
 25.4195 +    } else e.textContent = str;
 25.4196 +  }
 25.4197 +
 25.4198 +  // FEATURE DETECTION
 25.4199 +
 25.4200 +  // Detect drag-and-drop
 25.4201 +  var dragAndDrop = function() {
 25.4202 +    // There is *some* kind of drag-and-drop support in IE6-8, but I
 25.4203 +    // couldn't get it to work yet.
 25.4204 +    if (ie_lt9) return false;
 25.4205 +    var div = elt('div');
 25.4206 +    return "draggable" in div || "dragDrop" in div;
 25.4207 +  }();
 25.4208 +
 25.4209 +  // For a reason I have yet to figure out, some browsers disallow
 25.4210 +  // word wrapping between certain characters *only* if a new inline
 25.4211 +  // element is started between them. This makes it hard to reliably
 25.4212 +  // measure the position of things, since that requires inserting an
 25.4213 +  // extra span. This terribly fragile set of regexps matches the
 25.4214 +  // character combinations that suffer from this phenomenon on the
 25.4215 +  // various browsers.
 25.4216 +  var spanAffectsWrapping = /^$/; // Won't match any two-character string
 25.4217 +  if (gecko) spanAffectsWrapping = /$'/;
 25.4218 +  else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/;
 25.4219 +  else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/;
 25.4220 +
 25.4221 +  var knownScrollbarWidth;
 25.4222 +  function scrollbarWidth(measure) {
 25.4223 +    if (knownScrollbarWidth != null) return knownScrollbarWidth;
 25.4224 +    var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll");
 25.4225 +    removeChildrenAndAdd(measure, test);
 25.4226 +    if (test.offsetWidth)
 25.4227 +      knownScrollbarWidth = test.offsetHeight - test.clientHeight;
 25.4228 +    return knownScrollbarWidth || 0;
 25.4229 +  }
 25.4230 +
 25.4231 +  var zwspSupported;
 25.4232 +  function zeroWidthElement(measure) {
 25.4233 +    if (zwspSupported == null) {
 25.4234 +      var test = elt("span", "\u200b");
 25.4235 +      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
 25.4236 +      if (measure.firstChild.offsetHeight != 0)
 25.4237 +        zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !ie_lt8;
 25.4238 +    }
 25.4239 +    if (zwspSupported) return elt("span", "\u200b");
 25.4240 +    else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
 25.4241 +  }
 25.4242 +
 25.4243 +  // See if "".split is the broken IE version, if so, provide an
 25.4244 +  // alternative way to split lines.
 25.4245 +  var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
 25.4246 +    var pos = 0, result = [], l = string.length;
 25.4247 +    while (pos <= l) {
 25.4248 +      var nl = string.indexOf("\n", pos);
 25.4249 +      if (nl == -1) nl = string.length;
 25.4250 +      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
 25.4251 +      var rt = line.indexOf("\r");
 25.4252 +      if (rt != -1) {
 25.4253 +        result.push(line.slice(0, rt));
 25.4254 +        pos += rt + 1;
 25.4255 +      } else {
 25.4256 +        result.push(line);
 25.4257 +        pos = nl + 1;
 25.4258 +      }
 25.4259 +    }
 25.4260 +    return result;
 25.4261 +  } : function(string){return string.split(/\r\n?|\n/);};
 25.4262 +  CodeMirror.splitLines = splitLines;
 25.4263 +
 25.4264 +  var hasSelection = window.getSelection ? function(te) {
 25.4265 +    try { return te.selectionStart != te.selectionEnd; }
 25.4266 +    catch(e) { return false; }
 25.4267 +  } : function(te) {
 25.4268 +    try {var range = te.ownerDocument.selection.createRange();}
 25.4269 +    catch(e) {}
 25.4270 +    if (!range || range.parentElement() != te) return false;
 25.4271 +    return range.compareEndPoints("StartToEnd", range) != 0;
 25.4272 +  };
 25.4273 +
 25.4274 +  var hasCopyEvent = (function() {
 25.4275 +    var e = elt("div");
 25.4276 +    if ("oncopy" in e) return true;
 25.4277 +    e.setAttribute("oncopy", "return;");
 25.4278 +    return typeof e.oncopy == 'function';
 25.4279 +  })();
 25.4280 +
 25.4281 +  // KEY NAMING
 25.4282 +
 25.4283 +  var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
 25.4284 +                  19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
 25.4285 +                  36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
 25.4286 +                  46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete",
 25.4287 +                  186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
 25.4288 +                  221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home",
 25.4289 +                  63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"};
 25.4290 +  CodeMirror.keyNames = keyNames;
 25.4291 +  (function() {
 25.4292 +    // Number keys
 25.4293 +    for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i);
 25.4294 +    // Alphabetic keys
 25.4295 +    for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
 25.4296 +    // Function keys
 25.4297 +    for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
 25.4298 +  })();
 25.4299 +
 25.4300 +  // BIDI HELPERS
 25.4301 +
 25.4302 +  function iterateBidiSections(order, from, to, f) {
 25.4303 +    if (!order) return f(from, to, "ltr");
 25.4304 +    for (var i = 0; i < order.length; ++i) {
 25.4305 +      var part = order[i];
 25.4306 +      if (part.from < to && part.to > from)
 25.4307 +        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
 25.4308 +    }
 25.4309 +  }
 25.4310 +
 25.4311 +  function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
 25.4312 +  function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
 25.4313 +
 25.4314 +  function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
 25.4315 +  function lineRight(line) {
 25.4316 +    var order = getOrder(line);
 25.4317 +    if (!order) return line.text.length;
 25.4318 +    return bidiRight(lst(order));
 25.4319 +  }
 25.4320 +
 25.4321 +  function lineStart(cm, lineN) {
 25.4322 +    var line = getLine(cm.view.doc, lineN);
 25.4323 +    var visual = visualLine(cm.view.doc, line);
 25.4324 +    if (visual != line) lineN = lineNo(visual);
 25.4325 +    var order = getOrder(visual);
 25.4326 +    var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
 25.4327 +    return {line: lineN, ch: ch};
 25.4328 +  }
 25.4329 +  function lineEnd(cm, lineNo) {
 25.4330 +    var merged, line;
 25.4331 +    while (merged = collapsedSpanAtEnd(line = getLine(cm.view.doc, lineNo)))
 25.4332 +      lineNo = merged.find().to.line;
 25.4333 +    var order = getOrder(line);
 25.4334 +    var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
 25.4335 +    return {line: lineNo, ch: ch};
 25.4336 +  }
 25.4337 +
 25.4338 +  // This is somewhat involved. It is needed in order to move
 25.4339 +  // 'visually' through bi-directional text -- i.e., pressing left
 25.4340 +  // should make the cursor go left, even when in RTL text. The
 25.4341 +  // tricky part is the 'jumps', where RTL and LTR text touch each
 25.4342 +  // other. This often requires the cursor offset to move more than
 25.4343 +  // one unit, in order to visually move one unit.
 25.4344 +  function moveVisually(line, start, dir, byUnit) {
 25.4345 +    var bidi = getOrder(line);
 25.4346 +    if (!bidi) return moveLogically(line, start, dir, byUnit);
 25.4347 +    var moveOneUnit = byUnit ? function(pos, dir) {
 25.4348 +      do pos += dir;
 25.4349 +      while (pos > 0 && isExtendingChar.test(line.text.charAt(pos)));
 25.4350 +      return pos;
 25.4351 +    } : function(pos, dir) { return pos + dir; };
 25.4352 +    var linedir = bidi[0].level;
 25.4353 +    for (var i = 0; i < bidi.length; ++i) {
 25.4354 +      var part = bidi[i], sticky = part.level % 2 == linedir;
 25.4355 +      if ((part.from < start && part.to > start) ||
 25.4356 +          (sticky && (part.from == start || part.to == start))) break;
 25.4357 +    }
 25.4358 +    var target = moveOneUnit(start, part.level % 2 ? -dir : dir);
 25.4359 +
 25.4360 +    while (target != null) {
 25.4361 +      if (part.level % 2 == linedir) {
 25.4362 +        if (target < part.from || target > part.to) {
 25.4363 +          part = bidi[i += dir];
 25.4364 +          target = part && (dir > 0 == part.level % 2 ? moveOneUnit(part.to, -1) : moveOneUnit(part.from, 1));
 25.4365 +        } else break;
 25.4366 +      } else {
 25.4367 +        if (target == bidiLeft(part)) {
 25.4368 +          part = bidi[--i];
 25.4369 +          target = part && bidiRight(part);
 25.4370 +        } else if (target == bidiRight(part)) {
 25.4371 +          part = bidi[++i];
 25.4372 +          target = part && bidiLeft(part);
 25.4373 +        } else break;
 25.4374 +      }
 25.4375 +    }
 25.4376 +
 25.4377 +    return target < 0 || target > line.text.length ? null : target;
 25.4378 +  }
 25.4379 +
 25.4380 +  function moveLogically(line, start, dir, byUnit) {
 25.4381 +    var target = start + dir;
 25.4382 +    if (byUnit) while (target > 0 && isExtendingChar.test(line.text.charAt(target))) target += dir;
 25.4383 +    return target < 0 || target > line.text.length ? null : target;
 25.4384 +  }
 25.4385 +
 25.4386 +  // Bidirectional ordering algorithm
 25.4387 +  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
 25.4388 +  // that this (partially) implements.
 25.4389 +
 25.4390 +  // One-char codes used for character types:
 25.4391 +  // L (L):   Left-to-Right
 25.4392 +  // R (R):   Right-to-Left
 25.4393 +  // r (AL):  Right-to-Left Arabic
 25.4394 +  // 1 (EN):  European Number
 25.4395 +  // + (ES):  European Number Separator
 25.4396 +  // % (ET):  European Number Terminator
 25.4397 +  // n (AN):  Arabic Number
 25.4398 +  // , (CS):  Common Number Separator
 25.4399 +  // m (NSM): Non-Spacing Mark
 25.4400 +  // b (BN):  Boundary Neutral
 25.4401 +  // s (B):   Paragraph Separator
 25.4402 +  // t (S):   Segment Separator
 25.4403 +  // w (WS):  Whitespace
 25.4404 +  // N (ON):  Other Neutrals
 25.4405 +
 25.4406 +  // Returns null if characters are ordered as they appear
 25.4407 +  // (left-to-right), or an array of sections ({from, to, level}
 25.4408 +  // objects) in the order in which they occur visually.
 25.4409 +  var bidiOrdering = (function() {
 25.4410 +    // Character types for codepoints 0 to 0xff
 25.4411 +    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLL";
 25.4412 +    // Character types for codepoints 0x600 to 0x6ff
 25.4413 +    var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmmrrrrrrrrrrrrrrrrrr";
 25.4414 +    function charType(code) {
 25.4415 +      if (code <= 0xff) return lowTypes.charAt(code);
 25.4416 +      else if (0x590 <= code && code <= 0x5f4) return "R";
 25.4417 +      else if (0x600 <= code && code <= 0x6ff) return arabicTypes.charAt(code - 0x600);
 25.4418 +      else if (0x700 <= code && code <= 0x8ac) return "r";
 25.4419 +      else return "L";
 25.4420 +    }
 25.4421 +
 25.4422 +    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
 25.4423 +    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
 25.4424 +
 25.4425 +    return function charOrdering(str) {
 25.4426 +      if (!bidiRE.test(str)) return false;
 25.4427 +      var len = str.length, types = [], startType = null;
 25.4428 +      for (var i = 0, type; i < len; ++i) {
 25.4429 +        types.push(type = charType(str.charCodeAt(i)));
 25.4430 +        if (startType == null) {
 25.4431 +          if (type == "L") startType = "L";
 25.4432 +          else if (type == "R" || type == "r") startType = "R";
 25.4433 +        }
 25.4434 +      }
 25.4435 +      if (startType == null) startType = "L";
 25.4436 +
 25.4437 +      // W1. Examine each non-spacing mark (NSM) in the level run, and
 25.4438 +      // change the type of the NSM to the type of the previous
 25.4439 +      // character. If the NSM is at the start of the level run, it will
 25.4440 +      // get the type of sor.
 25.4441 +      for (var i = 0, prev = startType; i < len; ++i) {
 25.4442 +        var type = types[i];
 25.4443 +        if (type == "m") types[i] = prev;
 25.4444 +        else prev = type;
 25.4445 +      }
 25.4446 +
 25.4447 +      // W2. Search backwards from each instance of a European number
 25.4448 +      // until the first strong type (R, L, AL, or sor) is found. If an
 25.4449 +      // AL is found, change the type of the European number to Arabic
 25.4450 +      // number.
 25.4451 +      // W3. Change all ALs to R.
 25.4452 +      for (var i = 0, cur = startType; i < len; ++i) {
 25.4453 +        var type = types[i];
 25.4454 +        if (type == "1" && cur == "r") types[i] = "n";
 25.4455 +        else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
 25.4456 +      }
 25.4457 +
 25.4458 +      // W4. A single European separator between two European numbers
 25.4459 +      // changes to a European number. A single common separator between
 25.4460 +      // two numbers of the same type changes to that type.
 25.4461 +      for (var i = 1, prev = types[0]; i < len - 1; ++i) {
 25.4462 +        var type = types[i];
 25.4463 +        if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
 25.4464 +        else if (type == "," && prev == types[i+1] &&
 25.4465 +                 (prev == "1" || prev == "n")) types[i] = prev;
 25.4466 +        prev = type;
 25.4467 +      }
 25.4468 +
 25.4469 +      // W5. A sequence of European terminators adjacent to European
 25.4470 +      // numbers changes to all European numbers.
 25.4471 +      // W6. Otherwise, separators and terminators change to Other
 25.4472 +      // Neutral.
 25.4473 +      for (var i = 0; i < len; ++i) {
 25.4474 +        var type = types[i];
 25.4475 +        if (type == ",") types[i] = "N";
 25.4476 +        else if (type == "%") {
 25.4477 +          for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
 25.4478 +          var replace = (i && types[i-1] == "!") || (end < len - 1 && types[end] == "1") ? "1" : "N";
 25.4479 +          for (var j = i; j < end; ++j) types[j] = replace;
 25.4480 +          i = end - 1;
 25.4481 +        }
 25.4482 +      }
 25.4483 +
 25.4484 +      // W7. Search backwards from each instance of a European number
 25.4485 +      // until the first strong type (R, L, or sor) is found. If an L is
 25.4486 +      // found, then change the type of the European number to L.
 25.4487 +      for (var i = 0, cur = startType; i < len; ++i) {
 25.4488 +        var type = types[i];
 25.4489 +        if (cur == "L" && type == "1") types[i] = "L";
 25.4490 +        else if (isStrong.test(type)) cur = type;
 25.4491 +      }
 25.4492 +
 25.4493 +      // N1. A sequence of neutrals takes the direction of the
 25.4494 +      // surrounding strong text if the text on both sides has the same
 25.4495 +      // direction. European and Arabic numbers act as if they were R in
 25.4496 +      // terms of their influence on neutrals. Start-of-level-run (sor)
 25.4497 +      // and end-of-level-run (eor) are used at level run boundaries.
 25.4498 +      // N2. Any remaining neutrals take the embedding direction.
 25.4499 +      for (var i = 0; i < len; ++i) {
 25.4500 +        if (isNeutral.test(types[i])) {
 25.4501 +          for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
 25.4502 +          var before = (i ? types[i-1] : startType) == "L";
 25.4503 +          var after = (end < len - 1 ? types[end] : startType) == "L";
 25.4504 +          var replace = before || after ? "L" : "R";
 25.4505 +          for (var j = i; j < end; ++j) types[j] = replace;
 25.4506 +          i = end - 1;
 25.4507 +        }
 25.4508 +      }
 25.4509 +
 25.4510 +      // Here we depart from the documented algorithm, in order to avoid
 25.4511 +      // building up an actual levels array. Since there are only three
 25.4512 +      // levels (0, 1, 2) in an implementation that doesn't take
 25.4513 +      // explicit embedding into account, we can build up the order on
 25.4514 +      // the fly, without following the level-based algorithm.
 25.4515 +      var order = [], m;
 25.4516 +      for (var i = 0; i < len;) {
 25.4517 +        if (countsAsLeft.test(types[i])) {
 25.4518 +          var start = i;
 25.4519 +          for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
 25.4520 +          order.push({from: start, to: i, level: 0});
 25.4521 +        } else {
 25.4522 +          var pos = i, at = order.length;
 25.4523 +          for (++i; i < len && types[i] != "L"; ++i) {}
 25.4524 +          for (var j = pos; j < i;) {
 25.4525 +            if (countsAsNum.test(types[j])) {
 25.4526 +              if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1});
 25.4527 +              var nstart = j;
 25.4528 +              for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
 25.4529 +              order.splice(at, 0, {from: nstart, to: j, level: 2});
 25.4530 +              pos = j;
 25.4531 +            } else ++j;
 25.4532 +          }
 25.4533 +          if (pos < i) order.splice(at, 0, {from: pos, to: i, level: 1});
 25.4534 +        }
 25.4535 +      }
 25.4536 +      if (order[0].level == 1 && (m = str.match(/^\s+/))) {
 25.4537 +        order[0].from = m[0].length;
 25.4538 +        order.unshift({from: 0, to: m[0].length, level: 0});
 25.4539 +      }
 25.4540 +      if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
 25.4541 +        lst(order).to -= m[0].length;
 25.4542 +        order.push({from: len - m[0].length, to: len, level: 0});
 25.4543 +      }
 25.4544 +      if (order[0].level != lst(order).level)
 25.4545 +        order.push({from: len, to: len, level: order[0].level});
 25.4546 +
 25.4547 +      return order;
 25.4548 +    };
 25.4549 +  })();
 25.4550 +
 25.4551 +  // THE END
 25.4552 +
 25.4553 +  CodeMirror.version = "3.0";
 25.4554 +
 25.4555 +  return CodeMirror;
 25.4556 +})();