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Side by Side Diff: src/parsing/preparser.h

Issue 1906923002: [modules] Infer strict mode from within scope object (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months 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_PARSING_PREPARSER_H 5 #ifndef V8_PARSING_PREPARSER_H
6 #define V8_PARSING_PREPARSER_H 6 #define V8_PARSING_PREPARSER_H
7 7
8 #include "src/ast/scopes.h" 8 #include "src/ast/scopes.h"
9 #include "src/bailout-reason.h" 9 #include "src/bailout-reason.h"
10 #include "src/hashmap.h" 10 #include "src/hashmap.h"
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962 962
963 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory, 963 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory,
964 ParserRecorder* log, uintptr_t stack_limit) 964 ParserRecorder* log, uintptr_t stack_limit)
965 : ParserBase<PreParserTraits>(zone, scanner, stack_limit, NULL, 965 : ParserBase<PreParserTraits>(zone, scanner, stack_limit, NULL,
966 ast_value_factory, log, this) {} 966 ast_value_factory, log, this) {}
967 967
968 // Pre-parse the program from the character stream; returns true on 968 // Pre-parse the program from the character stream; returns true on
969 // success (even if parsing failed, the pre-parse data successfully 969 // success (even if parsing failed, the pre-parse data successfully
970 // captured the syntax error), and false if a stack-overflow happened 970 // captured the syntax error), and false if a stack-overflow happened
971 // during parsing. 971 // during parsing.
972 PreParseResult PreParseProgram(int* materialized_literals = 0) { 972 PreParseResult PreParseProgram(int* materialized_literals = 0,
973 Scope* scope = NewScope(scope_, SCRIPT_SCOPE); 973 bool is_module = false) {
974 Scope* scope = NewScope(scope_, is_module ? MODULE_SCOPE : SCRIPT_SCOPE);
974 PreParserFactory factory(NULL); 975 PreParserFactory factory(NULL);
975 FunctionState top_scope(&function_state_, &scope_, scope, kNormalFunction, 976 FunctionState top_scope(&function_state_, &scope_, scope, kNormalFunction,
976 &factory); 977 &factory);
977 bool ok = true; 978 bool ok = true;
978 int start_position = scanner()->peek_location().beg_pos; 979 int start_position = scanner()->peek_location().beg_pos;
979 ParseStatementList(Token::EOS, &ok); 980 ParseStatementList(Token::EOS, &ok);
980 if (stack_overflow()) return kPreParseStackOverflow; 981 if (stack_overflow()) return kPreParseStackOverflow;
981 if (!ok) { 982 if (!ok) {
982 ReportUnexpectedToken(scanner()->current_token()); 983 ReportUnexpectedToken(scanner()->current_token());
983 } else if (is_strict(scope_->language_mode())) { 984 } else if (is_strict(scope_->language_mode())) {
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1162 const PreParserFormalParameters& parameters, FunctionKind kind, 1163 const PreParserFormalParameters& parameters, FunctionKind kind,
1163 FunctionLiteral::FunctionType function_type, bool* ok) { 1164 FunctionLiteral::FunctionType function_type, bool* ok) {
1164 return pre_parser_->ParseEagerFunctionBody(function_name, pos, parameters, 1165 return pre_parser_->ParseEagerFunctionBody(function_name, pos, parameters,
1165 kind, function_type, ok); 1166 kind, function_type, ok);
1166 } 1167 }
1167 1168
1168 } // namespace internal 1169 } // namespace internal
1169 } // namespace v8 1170 } // namespace v8
1170 1171
1171 #endif // V8_PARSING_PREPARSER_H 1172 #endif // V8_PARSING_PREPARSER_H
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