Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: src/jdk/nashorn/internal/parser/Parser.java
src/jdk/nashorn/internal/parser/Parser.java
- changeset 52
- 8f7a86f82376
- parent 47
- 3f528769aee1
- child 57
- 59970b70ebb5
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| 51:f52d7294536f | 52:8f7a86f82376 |
|---|---|
| 145 * @return Top level function (script). | 145 * @return Top level function (script). |
| 146 */ | 146 */ |
| 147 public FunctionNode parse(final String scriptName) { | 147 public FunctionNode parse(final String scriptName) { |
| 148 try { | 148 try { |
| 149 stream = new TokenStream(); | 149 stream = new TokenStream(); |
| 150 lexer = new Lexer(source, stream, context._scripting); | 150 lexer = new Lexer(source, stream, context._scripting && !context._no_syntax_extensions); |
| 151 | 151 |
| 152 // Set up first token (skips opening EOL.) | 152 // Set up first token (skips opening EOL.) |
| 153 k = -1; | 153 k = -1; |
| 154 next(); | 154 next(); |
| 155 | 155 |
| 1063 // FOR tested in caller. | 1063 // FOR tested in caller. |
| 1064 next(); | 1064 next(); |
| 1065 | 1065 |
| 1066 // Nashorn extension: for each expression. | 1066 // Nashorn extension: for each expression. |
| 1067 // iterate property values rather than property names. | 1067 // iterate property values rather than property names. |
| 1068 if (type == IDENT && "each".equals(getValue())) { | 1068 if (!context._no_syntax_extensions && type == IDENT && "each".equals(getValue())) { |
| 1069 forNode.setIsForEach(); | 1069 forNode.setIsForEach(); |
| 1070 next(); | 1070 next(); |
| 1071 } | 1071 } |
| 1072 | 1072 |
| 1073 expect(LPAREN); | 1073 expect(LPAREN); |
| 2310 arguments = argumentList(); | 2310 arguments = argumentList(); |
| 2311 } else { | 2311 } else { |
| 2312 arguments = new ArrayList<>(); | 2312 arguments = new ArrayList<>(); |
| 2313 } | 2313 } |
| 2314 | 2314 |
| 2315 // This is to support the following interface impl. syntax: | 2315 // Nashorn extension: This is to support the following interface implementation |
| 2316 // syntax: | |
| 2316 // | 2317 // |
| 2317 // var r = new java.lang.Runnable() { | 2318 // var r = new java.lang.Runnable() { |
| 2318 // run: function() { println("run"); } | 2319 // run: function() { println("run"); } |
| 2319 // }; | 2320 // }; |
| 2320 // | 2321 // |
| 2321 // The object literal following the "new Constructor()" expresssion | 2322 // The object literal following the "new Constructor()" expresssion |
| 2322 // is passed as an additional (last) argument to the constructor. | 2323 // is passed as an additional (last) argument to the constructor. |
| 2323 | 2324 |
| 2324 if (type == LBRACE) { | 2325 if (!context._no_syntax_extensions && type == LBRACE) { |
| 2325 arguments.add(objectLiteral()); | 2326 arguments.add(objectLiteral()); |
| 2326 } | 2327 } |
| 2327 | 2328 |
| 2328 final CallNode callNode = new CallNode(source, constructor.getToken(), finish, constructor, arguments); | 2329 final CallNode callNode = new CallNode(source, constructor.getToken(), finish, constructor, arguments); |
| 2329 if (isInWithBlock()) { | 2330 if (isInWithBlock()) { |
| 2473 IdentNode name = null; | 2474 IdentNode name = null; |
| 2474 | 2475 |
| 2475 if (type == IDENT || isNonStrictModeIdent()) { | 2476 if (type == IDENT || isNonStrictModeIdent()) { |
| 2476 name = getIdent(); | 2477 name = getIdent(); |
| 2477 verifyStrictIdent(name, "function name"); | 2478 verifyStrictIdent(name, "function name"); |
| 2478 } else if (isStatement && !context._anon_functions) { | 2479 } else if (isStatement) { |
| 2479 expect(IDENT); | 2480 // Nashorn extension: anonymous function statements |
| 2481 if (context._no_syntax_extensions || !context._anon_functions) { | |
| 2482 expect(IDENT); | |
| 2483 } | |
| 2480 } | 2484 } |
| 2481 | 2485 |
| 2482 // name is null, generate anonymous name | 2486 // name is null, generate anonymous name |
| 2483 boolean isAnonymous = false; | 2487 boolean isAnonymous = false; |
| 2484 if (name == null) { | 2488 if (name == null) { |
| 2611 functionNode.setParameters(parameters); | 2615 functionNode.setParameters(parameters); |
| 2612 functionNode.setKind(kind); | 2616 functionNode.setKind(kind); |
| 2613 functionNode.setFirstToken(firstToken); | 2617 functionNode.setFirstToken(firstToken); |
| 2614 | 2618 |
| 2615 // Nashorn extension: expression closures | 2619 // Nashorn extension: expression closures |
| 2616 if (type != LBRACE) { | 2620 if (!context._no_syntax_extensions && type != LBRACE) { |
| 2617 /* | 2621 /* |
| 2618 * Example: | 2622 * Example: |
| 2619 * | 2623 * |
| 2620 * function square(x) x * x; | 2624 * function square(x) x * x; |
| 2621 * print(square(3)); | 2625 * print(square(3)); |
