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Unified Diff: src/parser.h

Issue 437393004: Rewind additional parser state when reinterpreting arrow arguments (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: ParserCheckpoint constructor takes argument Created 6 years, 4 months ago
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Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index fd24e8d4e952b4d33408f3fc03c0fcb83ec3bf43..b04f1dade12b38ea2110a7a28254d8283d34041c 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -339,6 +339,23 @@ class RegExpParser BASE_EMBEDDED {
// ----------------------------------------------------------------------------
// JAVASCRIPT PARSING
+
+class ParserCheckpoint BASE_EMBEDDED {
+ public:
+ template <typename Parser>
+ explicit ParserCheckpoint(Parser* parser) {
+ isolate_ = parser->zone()->isolate();
+ saved_ast_node_id_ = isolate_->ast_node_id();
+ }
+
+ void Restore() { isolate_->set_ast_node_id(saved_ast_node_id_); }
+
+ private:
+ Isolate* isolate_;
+ int saved_ast_node_id_;
+};
+
+
class Parser;
class SingletonLogger;
@@ -354,6 +371,7 @@ class ParserTraits {
typedef v8::internal::Scope* ScopePtr;
typedef Variable GeneratorVariable;
typedef v8::internal::Zone Zone;
+ typedef ParserCheckpoint Checkpoint;
typedef v8::internal::AstProperties AstProperties;
typedef Vector<VariableProxy*> ParameterIdentifierVector;
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