diff options
Diffstat (limited to 'deps/v8/src/ast-expression-visitor.h')
-rw-r--r-- | deps/v8/src/ast-expression-visitor.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/deps/v8/src/ast-expression-visitor.h b/deps/v8/src/ast-expression-visitor.h new file mode 100644 index 0000000000..43b34bac79 --- /dev/null +++ b/deps/v8/src/ast-expression-visitor.h @@ -0,0 +1,49 @@ +// Copyright 2015 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef V8_AST_EXPRESSION_VISITOR_H_ +#define V8_AST_EXPRESSION_VISITOR_H_ + +#include "src/allocation.h" +#include "src/ast.h" +#include "src/effects.h" +#include "src/scopes.h" +#include "src/type-info.h" +#include "src/types.h" +#include "src/zone.h" + +namespace v8 { +namespace internal { + +// A Visitor over a CompilationInfo's AST that invokes +// VisitExpression on each expression node. + +class AstExpressionVisitor : public AstVisitor { + public: + AstExpressionVisitor(Isolate* isolate, Zone* zone, FunctionLiteral* root); + void Run(); + + protected: + virtual void VisitExpression(Expression* expression) = 0; + int depth() { return depth_; } + + private: + void VisitDeclarations(ZoneList<Declaration*>* d) override; + void VisitStatements(ZoneList<Statement*>* s) override; + + DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); + +#define DECLARE_VISIT(type) virtual void Visit##type(type* node) override; + AST_NODE_LIST(DECLARE_VISIT) +#undef DECLARE_VISIT + + FunctionLiteral* root_; + int depth_; + + DISALLOW_COPY_AND_ASSIGN(AstExpressionVisitor); +}; +} +} // namespace v8::internal + +#endif // V8_AST_EXPRESSION_VISITOR_H_ |