Line data Source code
1 : // Copyright 2016 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : // A container to associate type bounds with AST Expression nodes.
6 :
7 : #ifndef V8_AST_AST_TYPE_BOUNDS_H_
8 : #define V8_AST_AST_TYPE_BOUNDS_H_
9 :
10 : #include "src/ast/ast-types.h"
11 : #include "src/zone/zone-containers.h"
12 :
13 : namespace v8 {
14 : namespace internal {
15 :
16 : class Expression;
17 :
18 : class AstTypeBounds {
19 : public:
20 : explicit AstTypeBounds(Zone* zone) : bounds_map_(zone) {}
21 : ~AstTypeBounds() {}
22 :
23 14048805 : AstBounds get(Expression* expression) const {
24 : ZoneMap<Expression*, AstBounds>::const_iterator i =
25 : bounds_map_.find(expression);
26 14048805 : return (i != bounds_map_.end()) ? i->second : AstBounds::Unbounded();
27 : }
28 :
29 : void set(Expression* expression, AstBounds bounds) {
30 10133135 : bounds_map_[expression] = bounds;
31 : }
32 :
33 : private:
34 : ZoneMap<Expression*, AstBounds> bounds_map_;
35 : };
36 :
37 : } // namespace internal
38 : } // namespace v8
39 :
40 : #endif // V8_AST_AST_TYPE_BOUNDS_H_
|