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Side by Side Diff: src/preparser.h

Issue 1467473002: Install ConstructNonConstructable as construct stub for non-constructables. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase Created 5 years ago
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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 #ifndef V8_PREPARSER_H 5 #ifndef V8_PREPARSER_H
6 #define V8_PREPARSER_H 6 #define V8_PREPARSER_H
7 7
8 #include "src/bailout-reason.h" 8 #include "src/bailout-reason.h"
9 #include "src/expression-classifier.h" 9 #include "src/expression-classifier.h"
10 #include "src/func-name-inferrer.h" 10 #include "src/func-name-inferrer.h"
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3330 BindingPatternUnexpectedToken(classifier); 3330 BindingPatternUnexpectedToken(classifier);
3331 ArrowFormalParametersUnexpectedToken(classifier); 3331 ArrowFormalParametersUnexpectedToken(classifier);
3332 3332
3333 if (is_strong(language_mode()) && this->IsIdentifier(result) && 3333 if (is_strong(language_mode()) && this->IsIdentifier(result) &&
3334 this->IsEval(this->AsIdentifier(result))) { 3334 this->IsEval(this->AsIdentifier(result))) {
3335 ReportMessage(MessageTemplate::kStrongDirectEval); 3335 ReportMessage(MessageTemplate::kStrongDirectEval);
3336 *ok = false; 3336 *ok = false;
3337 return this->EmptyExpression(); 3337 return this->EmptyExpression();
3338 } 3338 }
3339 int pos; 3339 int pos;
3340 if (scanner()->current_token() == Token::IDENTIFIER) { 3340 if (scanner()->current_token() == Token::IDENTIFIER ||
3341 scanner()->current_token() == Token::SUPER) {
3341 // For call of an identifier we want to report position of 3342 // For call of an identifier we want to report position of
3342 // the identifier as position of the call in the stack trace. 3343 // the identifier as position of the call in the stack trace.
3343 pos = position(); 3344 pos = position();
3344 } else { 3345 } else {
3345 // For other kinds of calls we record position of the parenthesis as 3346 // For other kinds of calls we record position of the parenthesis as
3346 // position of the call. Note that this is extremely important for 3347 // position of the call. Note that this is extremely important for
3347 // expressions of the form function(){...}() for which call position 3348 // expressions of the form function(){...}() for which call position
3348 // should not point to the closing brace otherwise it will intersect 3349 // should not point to the closing brace otherwise it will intersect
3349 // with positions recorded for function literal and confuse debugger. 3350 // with positions recorded for function literal and confuse debugger.
3350 pos = peek_position(); 3351 pos = peek_position();
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3670 ExpressionT this_expr = this->ThisExpression(scope_, factory(), pos); 3671 ExpressionT this_expr = this->ThisExpression(scope_, factory(), pos);
3671 return factory()->NewAssignment(Token::INIT, this_expr, expr, pos); 3672 return factory()->NewAssignment(Token::INIT, this_expr, expr, pos);
3672 } 3673 }
3673 3674
3674 3675
3675 template <class Traits> 3676 template <class Traits>
3676 typename ParserBase<Traits>::ExpressionT 3677 typename ParserBase<Traits>::ExpressionT
3677 ParserBase<Traits>::ParseSuperExpression(bool is_new, 3678 ParserBase<Traits>::ParseSuperExpression(bool is_new,
3678 ExpressionClassifier* classifier, 3679 ExpressionClassifier* classifier,
3679 bool* ok) { 3680 bool* ok) {
3681 Expect(Token::SUPER, CHECK_OK);
3680 int pos = position(); 3682 int pos = position();
3681 Expect(Token::SUPER, CHECK_OK);
3682 3683
3683 Scope* scope = scope_->ReceiverScope(); 3684 Scope* scope = scope_->ReceiverScope();
3684 FunctionKind kind = scope->function_kind(); 3685 FunctionKind kind = scope->function_kind();
3685 if (IsConciseMethod(kind) || IsAccessorFunction(kind) || 3686 if (IsConciseMethod(kind) || IsAccessorFunction(kind) ||
3686 IsClassConstructor(kind)) { 3687 IsClassConstructor(kind)) {
3687 if (peek() == Token::PERIOD || peek() == Token::LBRACK) { 3688 if (peek() == Token::PERIOD || peek() == Token::LBRACK) {
3688 scope->RecordSuperPropertyUsage(); 3689 scope->RecordSuperPropertyUsage();
3689 return this->SuperPropertyReference(scope_, factory(), pos); 3690 return this->SuperPropertyReference(scope_, factory(), pos);
3690 } 3691 }
3691 // new super() is never allowed. 3692 // new super() is never allowed.
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4250 return; 4251 return;
4251 } 4252 }
4252 has_seen_constructor_ = true; 4253 has_seen_constructor_ = true;
4253 return; 4254 return;
4254 } 4255 }
4255 } 4256 }
4256 } // namespace internal 4257 } // namespace internal
4257 } // namespace v8 4258 } // namespace v8
4258 4259
4259 #endif // V8_PREPARSER_H 4260 #endif // V8_PREPARSER_H
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