| // 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_ |