ide/editor/src/main/java/org/apidesign/bck2brwsr/ide/editor/JSNI2JavaScriptBody.java
1.1 --- a/ide/editor/src/main/java/org/apidesign/bck2brwsr/ide/editor/JSNI2JavaScriptBody.java Mon Jan 13 12:37:03 2014 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,149 +0,0 @@
1.4 -/**
1.5 - * Back 2 Browser Bytecode Translator
1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 - *
1.8 - * This program is free software: you can redistribute it and/or modify
1.9 - * it under the terms of the GNU General Public License as published by
1.10 - * the Free Software Foundation, version 2 of the License.
1.11 - *
1.12 - * This program is distributed in the hope that it will be useful,
1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 - * GNU General Public License for more details.
1.16 - *
1.17 - * You should have received a copy of the GNU General Public License
1.18 - * along with this program. Look for COPYING file in the top folder.
1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 - */
1.21 -package org.apidesign.bck2brwsr.ide.editor;
1.22 -
1.23 -import com.sun.source.tree.AnnotationTree;
1.24 -import com.sun.source.tree.ExpressionTree;
1.25 -import com.sun.source.tree.LiteralTree;
1.26 -import com.sun.source.tree.MethodTree;
1.27 -import com.sun.source.tree.Tree.Kind;
1.28 -import com.sun.source.tree.VariableTree;
1.29 -import com.sun.source.util.TreePath;
1.30 -import java.util.ArrayList;
1.31 -import java.util.Arrays;
1.32 -import java.util.Collections;
1.33 -import java.util.List;
1.34 -import org.netbeans.api.java.lexer.JavaTokenId;
1.35 -import static org.netbeans.api.java.lexer.JavaTokenId.BLOCK_COMMENT;
1.36 -import static org.netbeans.api.java.lexer.JavaTokenId.JAVADOC_COMMENT;
1.37 -import static org.netbeans.api.java.lexer.JavaTokenId.LINE_COMMENT;
1.38 -import static org.netbeans.api.java.lexer.JavaTokenId.WHITESPACE;
1.39 -import org.netbeans.api.java.source.CompilationInfo;
1.40 -import org.netbeans.api.java.source.TreeMaker;
1.41 -import org.netbeans.api.lexer.Token;
1.42 -import org.netbeans.api.lexer.TokenSequence;
1.43 -import org.netbeans.spi.editor.hints.ErrorDescription;
1.44 -import org.netbeans.spi.editor.hints.Fix;
1.45 -import org.netbeans.spi.java.hints.ErrorDescriptionFactory;
1.46 -import org.netbeans.spi.java.hints.Hint;
1.47 -import org.netbeans.spi.java.hints.HintContext;
1.48 -import org.netbeans.spi.java.hints.JavaFix;
1.49 -import org.netbeans.spi.java.hints.TriggerTreeKind;
1.50 -import org.openide.util.NbBundle.Messages;
1.51 -
1.52 -@Hint(displayName = "#DN_JSNI2JavaScriptBody", description = "#DESC_JSNI2JavaScriptBody", category = "general")
1.53 -@Messages({
1.54 - "DN_JSNI2JavaScriptBody=JSNI to @JavaScriptBody",
1.55 - "DESC_JSNI2JavaScriptBody=JSNI to @JavaScriptBody"
1.56 -})
1.57 -public class JSNI2JavaScriptBody {
1.58 -
1.59 - @TriggerTreeKind(Kind.METHOD)
1.60 - @Messages("ERR_JSNI2JavaScriptBody=Can convert JSNI to @JavaScriptBody")
1.61 - public static ErrorDescription computeWarning(final HintContext ctx) {
1.62 - Token<JavaTokenId> token = findBlockToken(ctx.getInfo(), ctx.getPath(), ctx);
1.63 -
1.64 - if (token == null) {
1.65 - return null;
1.66 - }
1.67 -
1.68 - Fix fix = new FixImpl(ctx.getInfo(), ctx.getPath()).toEditorFix();
1.69 - return ErrorDescriptionFactory.forName(ctx, ctx.getPath(), Bundle.ERR_JSNI2JavaScriptBody(), fix);
1.70 - }
1.71 -
1.72 - private static Token<JavaTokenId> findBlockToken(CompilationInfo info, TreePath path, HintContext ctx) {
1.73 - int end = (int) info.getTrees().getSourcePositions().getEndPosition(path.getCompilationUnit(), path.getLeaf());
1.74 - TokenSequence<JavaTokenId> ts = info.getTokenHierarchy().tokenSequence(JavaTokenId.language());
1.75 -
1.76 - if (ts == null) return null;
1.77 -
1.78 - ts.move(end);
1.79 -
1.80 - if ((ctx != null && ctx.isCanceled()) || !ts.movePrevious() || ts.token().id() != JavaTokenId.SEMICOLON) return null;
1.81 -
1.82 - OUTER: while (ts.movePrevious()) {
1.83 - if (ctx != null && ctx.isCanceled()) return null;
1.84 -
1.85 - switch (ts.token().id()) {
1.86 - case WHITESPACE: break;
1.87 - case LINE_COMMENT: break;
1.88 - case JAVADOC_COMMENT: break;
1.89 - case BLOCK_COMMENT:
1.90 - final CharSequence tok = ts.token().text();
1.91 - final int l = tok.length();
1.92 - if (l > 4
1.93 - && tok.subSequence(0, 4).toString().equals("/*-{") // NOI18N
1.94 - && tok.subSequence(l - 4, l).toString().equals("}-*/") // NOI18N
1.95 - ) {
1.96 - return ts.offsetToken();
1.97 - }
1.98 - break;
1.99 - default:
1.100 - break OUTER;
1.101 - }
1.102 - }
1.103 -
1.104 - return null;
1.105 - }
1.106 -
1.107 - private static final class FixImpl extends JavaFix {
1.108 -
1.109 - public FixImpl(CompilationInfo info, TreePath tp) {
1.110 - super(info, tp);
1.111 - }
1.112 -
1.113 - @Override
1.114 - @Messages("FIX_JSNI2JavaScriptBody=Convert JSNI to @JavaScriptBody")
1.115 - protected String getText() {
1.116 - return Bundle.FIX_JSNI2JavaScriptBody();
1.117 - }
1.118 -
1.119 - @Override
1.120 - protected void performRewrite(TransformationContext ctx) {
1.121 - Token<JavaTokenId> jsniComment = findBlockToken(ctx.getWorkingCopy(), ctx.getPath(), null);
1.122 -
1.123 - if (jsniComment == null) {
1.124 - //XXX: warn?
1.125 - return ;
1.126 - }
1.127 -
1.128 - JsniCommentTokenizer tok = new JsniCommentTokenizer();
1.129 - ManglingSink ms = new ManglingSink();
1.130 - final CharSequence cmnt = jsniComment.text();
1.131 - tok.process(cmnt.subSequence(4, cmnt.length() - 4), ms);
1.132 -
1.133 - TreeMaker make = ctx.getWorkingCopy().getTreeMaker();
1.134 - MethodTree mt = (MethodTree) ctx.getPath().getLeaf();
1.135 - List<LiteralTree> params = new ArrayList<LiteralTree>();
1.136 -
1.137 - for (VariableTree p : mt.getParameters()) {
1.138 - params.add(make.Literal(p.getName().toString()));
1.139 - }
1.140 -
1.141 - AnnotationTree jsBody = make.Annotation(make.QualIdent("org.apidesign.bck2brwsr.core.JavaScriptBody"),
1.142 - Arrays.<ExpressionTree>asList(
1.143 - make.Assignment(make.Identifier("args"), make.NewArray(null, Collections.<ExpressionTree>emptyList(), params)),
1.144 - make.Assignment(make.Identifier("body"), make.Literal(ms.out.toString()))
1.145 - )
1.146 - );
1.147 -
1.148 -
1.149 - ctx.getWorkingCopy().rewrite(mt.getModifiers(), make.addModifiersAnnotation(mt.getModifiers(), jsBody));
1.150 - }
1.151 - }
1.152 -}