7d7eee513a
Review URL: https://codereview.chromium.org/1412223018 Cr-Commit-Position: refs/heads/master@{#31785}
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_AST_EXPRESSION_VISITOR_H_
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#define V8_AST_EXPRESSION_VISITOR_H_
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#include "src/allocation.h"
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#include "src/ast.h"
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#include "src/effects.h"
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#include "src/scopes.h"
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#include "src/type-info.h"
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#include "src/types.h"
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#include "src/zone.h"
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namespace v8 {
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namespace internal {
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// A Visitor over a CompilationInfo's AST that invokes
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// VisitExpression on each expression node.
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class AstExpressionVisitor : public AstVisitor {
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public:
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AstExpressionVisitor(Isolate* isolate, Expression* root);
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AstExpressionVisitor(uintptr_t stack_limit, Expression* root);
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void Run();
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protected:
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virtual void VisitExpression(Expression* expression) = 0;
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int depth() { return depth_; }
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private:
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void VisitDeclarations(ZoneList<Declaration*>* d) override;
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void VisitStatements(ZoneList<Statement*>* s) override;
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DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
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#define DECLARE_VISIT(type) void Visit##type(type* node) override;
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AST_NODE_LIST(DECLARE_VISIT)
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#undef DECLARE_VISIT
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Expression* root_;
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int depth_;
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DISALLOW_COPY_AND_ASSIGN(AstExpressionVisitor);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_AST_EXPRESSION_VISITOR_H_
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