// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_COMPILER_TYPER_H_
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#define V8_COMPILER_TYPER_H_
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#include "src/compiler/graph.h"
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#include "src/compiler/operation-typer.h"
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#include "src/globals.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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// Forward declarations.
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class LoopVariableOptimizer;
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class V8_EXPORT_PRIVATE Typer {
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public:
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enum Flag : uint8_t {
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kNoFlags = 0,
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kThisIsReceiver = 1u << 0, // Parameter this is an Object.
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kNewTargetIsReceiver = 1u << 1, // Parameter new.target is an Object.
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};
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typedef base::Flags<Flag> Flags;
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Typer(Isolate* isolate, JSHeapBroker* js_heap_broker, Flags flags,
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Graph* graph);
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~Typer();
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void Run();
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// TODO(bmeurer,jarin): Remove this once we have a notion of "roots" on Graph.
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void Run(const ZoneVector<Node*>& roots,
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LoopVariableOptimizer* induction_vars);
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private:
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class Visitor;
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class Decorator;
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Flags flags() const { return flags_; }
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Graph* graph() const { return graph_; }
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Zone* zone() const { return graph()->zone(); }
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OperationTyper* operation_typer() { return &operation_typer_; }
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JSHeapBroker* js_heap_broker() const { return js_heap_broker_; }
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Flags const flags_;
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Graph* const graph_;
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Decorator* decorator_;
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TypeCache const& cache_;
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JSHeapBroker* js_heap_broker_;
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OperationTyper operation_typer_;
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Type singleton_false_;
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Type singleton_true_;
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DISALLOW_COPY_AND_ASSIGN(Typer);
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};
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DEFINE_OPERATORS_FOR_FLAGS(Typer::Flags);
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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#endif // V8_COMPILER_TYPER_H_
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