| // Copyright 2014 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_COMPILER_TYPER_H_ |
| #define V8_COMPILER_TYPER_H_ |
| |
| #include "src/common/globals.h" |
| #include "src/compiler/graph.h" |
| #include "src/compiler/operation-typer.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class TickCounter; |
| |
| namespace compiler { |
| |
| // Forward declarations. |
| class LoopVariableOptimizer; |
| |
| class V8_EXPORT_PRIVATE Typer { |
| public: |
| enum Flag : uint8_t { |
| kNoFlags = 0, |
| kThisIsReceiver = 1u << 0, // Parameter this is an Object. |
| kNewTargetIsReceiver = 1u << 1, // Parameter new.target is an Object. |
| }; |
| using Flags = base::Flags<Flag>; |
| |
| Typer(JSHeapBroker* broker, Flags flags, Graph* graph, |
| TickCounter* tick_counter); |
| ~Typer(); |
| |
| void Run(); |
| // TODO(bmeurer,jarin): Remove this once we have a notion of "roots" on Graph. |
| void Run(const ZoneVector<Node*>& roots, |
| LoopVariableOptimizer* induction_vars); |
| |
| private: |
| class Visitor; |
| class Decorator; |
| |
| Flags flags() const { return flags_; } |
| Graph* graph() const { return graph_; } |
| Zone* zone() const { return graph()->zone(); } |
| OperationTyper* operation_typer() { return &operation_typer_; } |
| JSHeapBroker* broker() const { return broker_; } |
| |
| Flags const flags_; |
| Graph* const graph_; |
| Decorator* decorator_; |
| TypeCache const* cache_; |
| JSHeapBroker* broker_; |
| OperationTyper operation_typer_; |
| TickCounter* const tick_counter_; |
| |
| Type singleton_false_; |
| Type singleton_true_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Typer); |
| }; |
| |
| DEFINE_OPERATORS_FOR_FLAGS(Typer::Flags) |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_TYPER_H_ |