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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/api.h" | 7 #include "src/api.h" |
8 #include "src/ast.h" | 8 #include "src/ast.h" |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/char-predicates-inl.h" | 10 #include "src/char-predicates-inl.h" |
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2100 // pre-resolve the proxy because it resides in the same scope as the | 2100 // pre-resolve the proxy because it resides in the same scope as the |
2101 // declaration. | 2101 // declaration. |
2102 Interface* interface = | 2102 Interface* interface = |
2103 is_const ? Interface::NewConst() : Interface::NewValue(); | 2103 is_const ? Interface::NewConst() : Interface::NewValue(); |
2104 VariableProxy* proxy = NewUnresolved(name, mode, interface); | 2104 VariableProxy* proxy = NewUnresolved(name, mode, interface); |
2105 Declaration* declaration = | 2105 Declaration* declaration = |
2106 factory()->NewVariableDeclaration(proxy, mode, scope_, pos); | 2106 factory()->NewVariableDeclaration(proxy, mode, scope_, pos); |
2107 Declare(declaration, mode != VAR, CHECK_OK); | 2107 Declare(declaration, mode != VAR, CHECK_OK); |
2108 nvars++; | 2108 nvars++; |
2109 if (declaration_scope->num_var_or_const() > kMaxNumFunctionLocals) { | 2109 if (declaration_scope->num_var_or_const() > kMaxNumFunctionLocals) { |
2110 ReportMessageAt(scanner()->location(), "too_many_variables"); | 2110 ReportMessage("too_many_variables"); |
2111 *ok = false; | 2111 *ok = false; |
2112 return NULL; | 2112 return NULL; |
2113 } | 2113 } |
2114 if (names) names->Add(name, zone()); | 2114 if (names) names->Add(name, zone()); |
2115 | 2115 |
2116 // Parse initialization expression if present and/or needed. A | 2116 // Parse initialization expression if present and/or needed. A |
2117 // declaration of the form: | 2117 // declaration of the form: |
2118 // | 2118 // |
2119 // var v = x; | 2119 // var v = x; |
2120 // | 2120 // |
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2398 label = ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); | 2398 label = ParseIdentifier(kAllowEvalOrArguments, CHECK_OK); |
2399 } | 2399 } |
2400 IterationStatement* target = NULL; | 2400 IterationStatement* target = NULL; |
2401 target = LookupContinueTarget(label, CHECK_OK); | 2401 target = LookupContinueTarget(label, CHECK_OK); |
2402 if (target == NULL) { | 2402 if (target == NULL) { |
2403 // Illegal continue statement. | 2403 // Illegal continue statement. |
2404 const char* message = "illegal_continue"; | 2404 const char* message = "illegal_continue"; |
2405 if (!label.is_null()) { | 2405 if (!label.is_null()) { |
2406 message = "unknown_label"; | 2406 message = "unknown_label"; |
2407 } | 2407 } |
2408 ParserTraits::ReportMessageAt(scanner()->location(), message, label); | 2408 ParserTraits::ReportMessage(message, label); |
2409 *ok = false; | 2409 *ok = false; |
2410 return NULL; | 2410 return NULL; |
2411 } | 2411 } |
2412 ExpectSemicolon(CHECK_OK); | 2412 ExpectSemicolon(CHECK_OK); |
2413 return factory()->NewContinueStatement(target, pos); | 2413 return factory()->NewContinueStatement(target, pos); |
2414 } | 2414 } |
2415 | 2415 |
2416 | 2416 |
2417 Statement* Parser::ParseBreakStatement(ZoneStringList* labels, bool* ok) { | 2417 Statement* Parser::ParseBreakStatement(ZoneStringList* labels, bool* ok) { |
2418 // BreakStatement :: | 2418 // BreakStatement :: |
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2434 return factory()->NewEmptyStatement(pos); | 2434 return factory()->NewEmptyStatement(pos); |
2435 } | 2435 } |
2436 BreakableStatement* target = NULL; | 2436 BreakableStatement* target = NULL; |
2437 target = LookupBreakTarget(label, CHECK_OK); | 2437 target = LookupBreakTarget(label, CHECK_OK); |
2438 if (target == NULL) { | 2438 if (target == NULL) { |
2439 // Illegal break statement. | 2439 // Illegal break statement. |
2440 const char* message = "illegal_break"; | 2440 const char* message = "illegal_break"; |
2441 if (!label.is_null()) { | 2441 if (!label.is_null()) { |
2442 message = "unknown_label"; | 2442 message = "unknown_label"; |
2443 } | 2443 } |
2444 ParserTraits::ReportMessageAt(scanner()->location(), message, label); | 2444 ParserTraits::ReportMessage(message, label); |
2445 *ok = false; | 2445 *ok = false; |
2446 return NULL; | 2446 return NULL; |
2447 } | 2447 } |
2448 ExpectSemicolon(CHECK_OK); | 2448 ExpectSemicolon(CHECK_OK); |
2449 return factory()->NewBreakStatement(target, pos); | 2449 return factory()->NewBreakStatement(target, pos); |
2450 } | 2450 } |
2451 | 2451 |
2452 | 2452 |
2453 Statement* Parser::ParseReturnStatement(bool* ok) { | 2453 Statement* Parser::ParseReturnStatement(bool* ok) { |
2454 // ReturnStatement :: | 2454 // ReturnStatement :: |
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3382 reserved_loc = scanner()->location(); | 3382 reserved_loc = scanner()->location(); |
3383 } | 3383 } |
3384 if (!dupe_error_loc.IsValid() && scope_->IsDeclared(param_name)) { | 3384 if (!dupe_error_loc.IsValid() && scope_->IsDeclared(param_name)) { |
3385 duplicate_parameters = FunctionLiteral::kHasDuplicateParameters; | 3385 duplicate_parameters = FunctionLiteral::kHasDuplicateParameters; |
3386 dupe_error_loc = scanner()->location(); | 3386 dupe_error_loc = scanner()->location(); |
3387 } | 3387 } |
3388 | 3388 |
3389 scope_->DeclareParameter(param_name, VAR); | 3389 scope_->DeclareParameter(param_name, VAR); |
3390 num_parameters++; | 3390 num_parameters++; |
3391 if (num_parameters > Code::kMaxArguments) { | 3391 if (num_parameters > Code::kMaxArguments) { |
3392 ReportMessageAt(scanner()->location(), "too_many_parameters"); | 3392 ReportMessage("too_many_parameters"); |
3393 *ok = false; | 3393 *ok = false; |
3394 return NULL; | 3394 return NULL; |
3395 } | 3395 } |
3396 done = (peek() == Token::RPAREN); | 3396 done = (peek() == Token::RPAREN); |
3397 if (!done) Expect(Token::COMMA, CHECK_OK); | 3397 if (!done) Expect(Token::COMMA, CHECK_OK); |
3398 } | 3398 } |
3399 Expect(Token::RPAREN, CHECK_OK); | 3399 Expect(Token::RPAREN, CHECK_OK); |
3400 | 3400 |
3401 Expect(Token::LBRACE, CHECK_OK); | 3401 Expect(Token::LBRACE, CHECK_OK); |
3402 | 3402 |
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4781 ASSERT(info()->isolate()->has_pending_exception()); | 4781 ASSERT(info()->isolate()->has_pending_exception()); |
4782 } else { | 4782 } else { |
4783 result = ParseProgram(); | 4783 result = ParseProgram(); |
4784 } | 4784 } |
4785 } | 4785 } |
4786 info()->SetFunction(result); | 4786 info()->SetFunction(result); |
4787 return (result != NULL); | 4787 return (result != NULL); |
4788 } | 4788 } |
4789 | 4789 |
4790 } } // namespace v8::internal | 4790 } } // namespace v8::internal |
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