Commit e5492724 authored by nikolaos's avatar nikolaos Committed by Commit bot

Add a generic mechanism for expression rewriting

R=rossberg@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1565153002

Cr-Commit-Position: refs/heads/master@{#33200}
parent 0840e207
......@@ -628,6 +628,8 @@ source_set("v8_base") {
"src/assembler.h",
"src/assert-scope.h",
"src/assert-scope.cc",
"src/ast/ast-expression-rewriter.cc",
"src/ast/ast-expression-rewriter.h",
"src/ast/ast-expression-visitor.cc",
"src/ast/ast-expression-visitor.h",
"src/ast/ast-literal-reindexer.cc",
......
This diff is collapsed.
// 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/effects.h"
#include "src/type-info.h"
#include "src/types.h"
#include "src/zone.h"
namespace v8 {
namespace internal {
// A rewriting Visitor over a CompilationInfo's AST that invokes
// VisitExpression on each expression node.
class AstExpressionRewriter : public AstVisitor {
public:
explicit AstExpressionRewriter(Isolate* isolate) : AstVisitor() {
InitializeAstRewriter(isolate);
}
explicit AstExpressionRewriter(uintptr_t stack_limit) : AstVisitor() {
InitializeAstRewriter(stack_limit);
}
~AstExpressionRewriter() override {}
void VisitDeclarations(ZoneList<Declaration*>* declarations) override;
void VisitStatements(ZoneList<Statement*>* statements) override;
void VisitExpressions(ZoneList<Expression*>* expressions) override;
virtual void VisitObjectLiteralProperty(ObjectLiteralProperty* property);
protected:
virtual bool RewriteExpression(Expression* expr) = 0;
private:
DEFINE_AST_REWRITER_SUBCLASS_MEMBERS();
#define DECLARE_VISIT(type) void Visit##type(type* node) override;
AST_NODE_LIST(DECLARE_VISIT)
#undef DECLARE_VISIT
DISALLOW_COPY_AND_ASSIGN(AstExpressionRewriter);
};
} // namespace internal
} // namespace v8
#endif // V8_AST_AST_EXPRESSION_REWRITER_H_
This diff is collapsed.
......@@ -404,6 +404,8 @@
'../../src/assembler.h',
'../../src/assert-scope.h',
'../../src/assert-scope.cc',
'../../src/ast/ast-expression-rewriter.cc',
'../../src/ast/ast-expression-rewriter.h',
'../../src/ast/ast-expression-visitor.cc',
'../../src/ast/ast-expression-visitor.h',
'../../src/ast/ast-literal-reindexer.cc',
......
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