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

Issue 2490643002: [counters] Implement off-isolate RuntimeCallStats for the Preparser (Closed)
Patch Set: fixing bounds Created 4 years, 1 month 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/parsing/parser-base.h" 9 #include "src/parsing/parser-base.h"
10 10
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831 typedef PreParserExpression Expression; 831 typedef PreParserExpression Expression;
832 typedef PreParserStatement Statement; 832 typedef PreParserStatement Statement;
833 833
834 enum PreParseResult { 834 enum PreParseResult {
835 kPreParseStackOverflow, 835 kPreParseStackOverflow,
836 kPreParseAbort, 836 kPreParseAbort,
837 kPreParseSuccess 837 kPreParseSuccess
838 }; 838 };
839 839
840 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory, 840 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory,
841 uintptr_t stack_limit) 841 RuntimeCallStats* runtime_call_stats, uintptr_t stack_limit)
842 : ParserBase<PreParser>(zone, scanner, stack_limit, nullptr, 842 : ParserBase<PreParser>(zone, scanner, stack_limit, nullptr,
843 ast_value_factory), 843 ast_value_factory, runtime_call_stats),
844 use_counts_(nullptr), 844 use_counts_(nullptr),
845 track_unresolved_variables_(false) {} 845 track_unresolved_variables_(false) {}
846 846
847 static bool const IsPreParser() { return true; }
848
847 PreParserLogger* logger() { return &log_; } 849 PreParserLogger* logger() { return &log_; }
848 850
849 // Pre-parse the program from the character stream; returns true on 851 // Pre-parse the program from the character stream; returns true on
850 // success (even if parsing failed, the pre-parse data successfully 852 // success (even if parsing failed, the pre-parse data successfully
851 // captured the syntax error), and false if a stack-overflow happened 853 // captured the syntax error), and false if a stack-overflow happened
852 // during parsing. 854 // during parsing.
853 PreParseResult PreParseProgram(int* materialized_literals = 0, 855 PreParseResult PreParseProgram(int* materialized_literals = 0,
854 bool is_module = false) { 856 bool is_module = false) {
855 DCHECK_NULL(scope_state_); 857 DCHECK_NULL(scope_state_);
856 DeclarationScope* scope = NewScriptScope(); 858 DeclarationScope* scope = NewScriptScope();
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1550 function_state_->NextMaterializedLiteralIndex(); 1552 function_state_->NextMaterializedLiteralIndex();
1551 function_state_->NextMaterializedLiteralIndex(); 1553 function_state_->NextMaterializedLiteralIndex();
1552 } 1554 }
1553 return EmptyExpression(); 1555 return EmptyExpression();
1554 } 1556 }
1555 1557
1556 } // namespace internal 1558 } // namespace internal
1557 } // namespace v8 1559 } // namespace v8
1558 1560
1559 #endif // V8_PARSING_PREPARSER_H 1561 #endif // V8_PARSING_PREPARSER_H
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