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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: fix merge conflict 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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832 typedef PreParserExpression Expression; 832 typedef PreParserExpression Expression;
833 typedef PreParserStatement Statement; 833 typedef PreParserStatement Statement;
834 834
835 enum PreParseResult { 835 enum PreParseResult {
836 kPreParseStackOverflow, 836 kPreParseStackOverflow,
837 kPreParseAbort, 837 kPreParseAbort,
838 kPreParseSuccess 838 kPreParseSuccess
839 }; 839 };
840 840
841 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory, 841 PreParser(Zone* zone, Scanner* scanner, AstValueFactory* ast_value_factory,
842 uintptr_t stack_limit) 842 RuntimeCallStats* runtime_call_stats, uintptr_t stack_limit)
843 : ParserBase<PreParser>(zone, scanner, stack_limit, nullptr, 843 : ParserBase<PreParser>(zone, scanner, stack_limit, nullptr,
844 ast_value_factory), 844 ast_value_factory, runtime_call_stats),
845 use_counts_(nullptr), 845 use_counts_(nullptr),
846 track_unresolved_variables_(false) {} 846 track_unresolved_variables_(false) {}
847 847
848 static bool const IsPreParser() { return true; }
849
848 PreParserLogger* logger() { return &log_; } 850 PreParserLogger* logger() { return &log_; }
849 851
850 // Pre-parse the program from the character stream; returns true on 852 // Pre-parse the program from the character stream; returns true on
851 // success (even if parsing failed, the pre-parse data successfully 853 // success (even if parsing failed, the pre-parse data successfully
852 // captured the syntax error), and false if a stack-overflow happened 854 // captured the syntax error), and false if a stack-overflow happened
853 // during parsing. 855 // during parsing.
854 PreParseResult PreParseProgram(int* materialized_literals = 0, 856 PreParseResult PreParseProgram(int* materialized_literals = 0,
855 bool is_module = false) { 857 bool is_module = false) {
856 DCHECK_NULL(scope_state_); 858 DCHECK_NULL(scope_state_);
857 DeclarationScope* scope = NewScriptScope(); 859 DeclarationScope* scope = NewScriptScope();
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1551 function_state_->NextMaterializedLiteralIndex(); 1553 function_state_->NextMaterializedLiteralIndex();
1552 function_state_->NextMaterializedLiteralIndex(); 1554 function_state_->NextMaterializedLiteralIndex();
1553 } 1555 }
1554 return EmptyExpression(); 1556 return EmptyExpression();
1555 } 1557 }
1556 1558
1557 } // namespace internal 1559 } // namespace internal
1558 } // namespace v8 1560 } // namespace v8
1559 1561
1560 #endif // V8_PARSING_PREPARSER_H 1562 #endif // V8_PARSING_PREPARSER_H
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