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// Copyright 2016 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.
// A container to associate type bounds with AST Expression nodes.
#ifndef V8_AST_AST_TYPE_BOUNDS_H_
#define V8_AST_AST_TYPE_BOUNDS_H_
#include "src/types.h"
#include "src/zone-containers.h"
namespace v8 {
namespace internal {
class Expression;
class AstTypeBounds {
public:
explicit AstTypeBounds(Zone* zone) : bounds_map_(zone) {}
~AstTypeBounds() {}
Bounds get(Expression* expression) const {
ZoneMap<Expression*, Bounds>::const_iterator i =
bounds_map_.find(expression);
return (i != bounds_map_.end()) ? i->second : Bounds::Unbounded();
}
void set(Expression* expression, Bounds bounds) {
bounds_map_[expression] = bounds;
}
private:
ZoneMap<Expression*, Bounds> bounds_map_;
};
} // namespace internal
} // namespace v8
#endif // V8_AST_AST_TYPE_BOUNDS_H_
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