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// 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_
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