jaroslav@750
|
1 |
/**
|
jaroslav@750
|
2 |
* Back 2 Browser Bytecode Translator
|
jaroslav@750
|
3 |
* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
|
jaroslav@750
|
4 |
*
|
jaroslav@750
|
5 |
* This program is free software: you can redistribute it and/or modify
|
jaroslav@750
|
6 |
* it under the terms of the GNU General Public License as published by
|
jaroslav@750
|
7 |
* the Free Software Foundation, version 2 of the License.
|
jaroslav@750
|
8 |
*
|
jaroslav@750
|
9 |
* This program is distributed in the hope that it will be useful,
|
jaroslav@750
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
jaroslav@750
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
jaroslav@750
|
12 |
* GNU General Public License for more details.
|
jaroslav@750
|
13 |
*
|
jaroslav@750
|
14 |
* You should have received a copy of the GNU General Public License
|
jaroslav@750
|
15 |
* along with this program. Look for COPYING file in the top folder.
|
jaroslav@750
|
16 |
* If not, see http://opensource.org/licenses/GPL-2.0.
|
jaroslav@750
|
17 |
*/
|
jaroslav@750
|
18 |
package org.apidesign.vm4brwsr;
|
jaroslav@750
|
19 |
|
jaroslav@750
|
20 |
import com.google.javascript.jscomp.CommandLineRunner;
|
jaroslav@750
|
21 |
import com.google.javascript.jscomp.SourceFile;
|
jaroslav@750
|
22 |
import java.io.IOException;
|
jaroslav@750
|
23 |
import java.io.OutputStream;
|
jaroslav@750
|
24 |
import java.io.PrintStream;
|
lubomir@869
|
25 |
import java.util.ArrayList;
|
jaroslav@750
|
26 |
import java.util.Collections;
|
jaroslav@750
|
27 |
import java.util.List;
|
jaroslav@750
|
28 |
import org.apidesign.bck2brwsr.core.ExtraJavaScript;
|
jaroslav@750
|
29 |
|
jaroslav@750
|
30 |
/**
|
jaroslav@750
|
31 |
*
|
jaroslav@750
|
32 |
* @author Jaroslav Tulach <jtulach@netbeans.org>
|
jaroslav@750
|
33 |
*/
|
jaroslav@750
|
34 |
@ExtraJavaScript(processByteCode = false, resource="")
|
lubomir@869
|
35 |
final class ClosureWrapper extends CommandLineRunner {
|
jaroslav@1562
|
36 |
private static final String[] ARGS = {
|
jaroslav@1562
|
37 |
"--compilation_level",
|
jaroslav@1562
|
38 |
"SIMPLE_OPTIMIZATIONS",
|
jaroslav@1588
|
39 |
"--output_wrapper", "(function() {%output%})(this);",
|
jaroslav@1562
|
40 |
"--js", "bck2brwsr-raw.js"
|
jaroslav@1562
|
41 |
//, "--debug"
|
jaroslav@1562
|
42 |
//, "--formatting", "PRETTY_PRINT"
|
jaroslav@1562
|
43 |
};
|
jaroslav@750
|
44 |
|
jaroslav@1493
|
45 |
private final Bck2Brwsr config;
|
lubomir@869
|
46 |
|
lubomir@869
|
47 |
private String compiledCode;
|
lubomir@869
|
48 |
private String externsCode;
|
lubomir@869
|
49 |
|
jaroslav@1493
|
50 |
private ClosureWrapper(Appendable out,
|
jaroslav@1493
|
51 |
String compilationLevel, Bck2Brwsr config) {
|
jaroslav@750
|
52 |
super(
|
lubomir@869
|
53 |
generateArguments(compilationLevel),
|
jaroslav@750
|
54 |
new PrintStream(new APS(out)), System.err
|
jaroslav@750
|
55 |
);
|
jaroslav@1493
|
56 |
this.config = config;
|
jaroslav@750
|
57 |
}
|
jaroslav@750
|
58 |
|
jaroslav@750
|
59 |
@Override
|
jaroslav@750
|
60 |
protected List<SourceFile> createInputs(List<String> files, boolean allowStdIn) throws FlagUsageException, IOException {
|
jaroslav@750
|
61 |
if (files.size() != 1 || !"bck2brwsr-raw.js".equals(files.get(0))) {
|
jaroslav@750
|
62 |
throw new IOException("Unexpected files: " + files);
|
jaroslav@750
|
63 |
}
|
lubomir@869
|
64 |
return Collections.nCopies(
|
lubomir@869
|
65 |
1,
|
lubomir@869
|
66 |
SourceFile.fromGenerator(
|
lubomir@869
|
67 |
"bck2brwsr-raw.js",
|
lubomir@869
|
68 |
new SourceFile.Generator() {
|
lubomir@869
|
69 |
@Override
|
lubomir@869
|
70 |
public String getCode() {
|
lubomir@869
|
71 |
return getCompiledCode();
|
lubomir@869
|
72 |
}
|
lubomir@869
|
73 |
}));
|
jaroslav@750
|
74 |
}
|
jaroslav@750
|
75 |
|
lubomir@869
|
76 |
|
jaroslav@750
|
77 |
@Override
|
lubomir@869
|
78 |
protected List<SourceFile> createExterns()
|
lubomir@869
|
79 |
throws FlagUsageException, IOException {
|
lubomir@869
|
80 |
final List<SourceFile> externsFiles =
|
lubomir@869
|
81 |
new ArrayList<SourceFile>(super.createExterns());
|
lubomir@869
|
82 |
|
lubomir@869
|
83 |
externsFiles.add(
|
lubomir@869
|
84 |
SourceFile.fromGenerator(
|
lubomir@869
|
85 |
"bck2brwsr_externs.js",
|
lubomir@869
|
86 |
new SourceFile.Generator() {
|
lubomir@869
|
87 |
@Override
|
lubomir@869
|
88 |
public String getCode() {
|
lubomir@869
|
89 |
return getExternsCode();
|
lubomir@869
|
90 |
}
|
lubomir@869
|
91 |
}));
|
lubomir@869
|
92 |
return externsFiles;
|
lubomir@869
|
93 |
}
|
lubomir@869
|
94 |
|
lubomir@869
|
95 |
private String getCompiledCode() {
|
lubomir@869
|
96 |
if (compiledCode == null) {
|
jaroslav@750
|
97 |
StringBuilder sb = new StringBuilder();
|
jaroslav@750
|
98 |
try {
|
jaroslav@1493
|
99 |
VM.compile(sb, config);
|
lubomir@869
|
100 |
compiledCode = sb.toString();
|
jaroslav@750
|
101 |
} catch (IOException ex) {
|
lubomir@869
|
102 |
compiledCode = ex.getMessage();
|
jaroslav@750
|
103 |
}
|
jaroslav@750
|
104 |
}
|
lubomir@869
|
105 |
return compiledCode;
|
lubomir@869
|
106 |
}
|
lubomir@869
|
107 |
|
lubomir@869
|
108 |
private String getExternsCode() {
|
lubomir@869
|
109 |
if (externsCode == null) {
|
lubomir@869
|
110 |
// need compiled code at this point
|
lubomir@869
|
111 |
getCompiledCode();
|
lubomir@869
|
112 |
|
lubomir@869
|
113 |
final StringBuilder sb = new StringBuilder("function RAW() {};\n");
|
lubomir@1083
|
114 |
for (final String extern: FIXED_EXTERNS) {
|
lubomir@869
|
115 |
sb.append("RAW.prototype.").append(extern).append(";\n");
|
lubomir@869
|
116 |
}
|
lubomir@869
|
117 |
externsCode = sb.toString();
|
lubomir@869
|
118 |
}
|
lubomir@869
|
119 |
return externsCode;
|
jaroslav@750
|
120 |
}
|
lubomir@849
|
121 |
|
jaroslav@750
|
122 |
private static final class APS extends OutputStream {
|
jaroslav@750
|
123 |
private final Appendable out;
|
jaroslav@750
|
124 |
|
jaroslav@750
|
125 |
public APS(Appendable out) {
|
jaroslav@750
|
126 |
this.out = out;
|
jaroslav@750
|
127 |
}
|
jaroslav@750
|
128 |
@Override
|
jaroslav@750
|
129 |
public void write(int b) throws IOException {
|
jaroslav@750
|
130 |
out.append((char)b);
|
jaroslav@750
|
131 |
}
|
jaroslav@750
|
132 |
}
|
lubomir@849
|
133 |
|
lubomir@869
|
134 |
private static String[] generateArguments(String compilationLevel) {
|
lubomir@849
|
135 |
String[] finalArgs = ARGS.clone();
|
lubomir@869
|
136 |
finalArgs[1] = compilationLevel;
|
lubomir@849
|
137 |
|
lubomir@849
|
138 |
return finalArgs;
|
lubomir@849
|
139 |
}
|
lubomir@849
|
140 |
|
lubomir@1086
|
141 |
static int produceTo(Appendable output,
|
jaroslav@1493
|
142 |
ObfuscationLevel obfuscationLevel,
|
jaroslav@1493
|
143 |
Bck2Brwsr config
|
jaroslav@1493
|
144 |
) throws IOException {
|
lubomir@1086
|
145 |
final ClosureWrapper cw =
|
lubomir@1086
|
146 |
new ClosureWrapper(output,
|
lubomir@1086
|
147 |
(obfuscationLevel == ObfuscationLevel.FULL)
|
lubomir@1086
|
148 |
? "ADVANCED_OPTIMIZATIONS"
|
lubomir@1086
|
149 |
: "SIMPLE_OPTIMIZATIONS",
|
jaroslav@1493
|
150 |
config);
|
jaroslav@750
|
151 |
try {
|
jaroslav@750
|
152 |
return cw.doRun();
|
jaroslav@750
|
153 |
} catch (FlagUsageException ex) {
|
jaroslav@750
|
154 |
throw new IOException(ex);
|
jaroslav@750
|
155 |
}
|
jaroslav@750
|
156 |
}
|
lubomir@869
|
157 |
|
lubomir@1083
|
158 |
private static final String[] FIXED_EXTERNS = {
|
lubomir@1083
|
159 |
"bck2brwsr",
|
jaroslav@1522
|
160 |
"bck2BrwsrThrwrbl",
|
jaroslav@1598
|
161 |
"register",
|
lubomir@1083
|
162 |
"$class",
|
lubomir@1083
|
163 |
"anno",
|
lubomir@1083
|
164 |
"array",
|
lubomir@1083
|
165 |
"access",
|
lubomir@1083
|
166 |
"cls",
|
lubomir@1083
|
167 |
"vm",
|
lubomir@1083
|
168 |
"loadClass",
|
lubomir@1083
|
169 |
"loadBytes",
|
lubomir@1083
|
170 |
"jvmName",
|
lubomir@1083
|
171 |
"primitive",
|
lubomir@1083
|
172 |
"superclass",
|
lubomir@1083
|
173 |
"cnstr",
|
lubomir@1083
|
174 |
"add32",
|
lubomir@1083
|
175 |
"sub32",
|
lubomir@1083
|
176 |
"mul32",
|
lubomir@1083
|
177 |
"neg32",
|
lubomir@1083
|
178 |
"toInt8",
|
lubomir@1083
|
179 |
"toInt16",
|
lubomir@1083
|
180 |
"next32",
|
lubomir@1083
|
181 |
"high32",
|
lubomir@1083
|
182 |
"toInt32",
|
lubomir@1083
|
183 |
"toFP",
|
lubomir@1083
|
184 |
"toLong",
|
jaroslav@1562
|
185 |
"toJS",
|
lubomir@1083
|
186 |
"toExactString",
|
lubomir@1083
|
187 |
"add64",
|
lubomir@1083
|
188 |
"sub64",
|
lubomir@1083
|
189 |
"mul64",
|
lubomir@1083
|
190 |
"and64",
|
lubomir@1083
|
191 |
"or64",
|
lubomir@1083
|
192 |
"xor64",
|
lubomir@1083
|
193 |
"shl64",
|
lubomir@1083
|
194 |
"shr64",
|
lubomir@1083
|
195 |
"ushr64",
|
jaroslav@1562
|
196 |
"compare",
|
lubomir@1083
|
197 |
"compare64",
|
lubomir@1083
|
198 |
"neg64",
|
lubomir@1083
|
199 |
"div32",
|
lubomir@1083
|
200 |
"mod32",
|
lubomir@1083
|
201 |
"div64",
|
lubomir@1083
|
202 |
"mod64",
|
lubomir@1083
|
203 |
"at",
|
lubomir@1083
|
204 |
"getClass__Ljava_lang_Class_2",
|
lubomir@1083
|
205 |
"clone__Ljava_lang_Object_2"
|
lubomir@1083
|
206 |
};
|
jaroslav@750
|
207 |
}
|