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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_AST_EXPRESSION_REWRITER_H_
#define V8_AST_AST_EXPRESSION_REWRITER_H_
#include "src/allocation.h"
#include "src/ast/ast.h"
#include "src/ast/scopes.h"
#include "src/type-info.h"
#include "src/zone.h"
namespace v8 {
namespace internal {
// A rewriting Visitor over a CompilationInfo's AST that invokes
// VisitExpression on each expression node.
// This AstVistor is not final, and provides the AstVisitor methods as virtual
// methods so they can be specialized by subclasses.
class AstExpressionRewriter : public AstVisitor<AstExpressionRewriter> {
public:
explicit AstExpressionRewriter(Isolate* isolate) {
InitializeAstRewriter(isolate);
}
explicit AstExpressionRewriter(uintptr_t stack_limit) {
InitializeAstRewriter(stack_limit);
}
virtual ~AstExpressionRewriter() {}
virtual void VisitDeclarations(ZoneList<Declaration*>* declarations);
virtual void VisitStatements(ZoneList<Statement*>* statements);
virtual void VisitExpressions(ZoneList<Expression*>* expressions);
virtual void VisitObjectLiteralProperty(ObjectLiteralProperty* property);
protected:
virtual bool RewriteExpression(Expression* expr) = 0;
private:
DEFINE_AST_REWRITER_SUBCLASS_MEMBERS();
#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
AST_NODE_LIST(DECLARE_VISIT)
#undef DECLARE_VISIT
DISALLOW_COPY_AND_ASSIGN(AstExpressionRewriter);
};
} // namespace internal
} // namespace v8
#endif // V8_AST_AST_EXPRESSION_REWRITER_H_
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