// Copyright 2017 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_PROPERTY_ACCESS_BUILDER_H_
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#define V8_COMPILER_PROPERTY_ACCESS_BUILDER_H_
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#include <vector>
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#include "src/handles.h"
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#include "src/objects/map.h"
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#include "src/zone/zone-containers.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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class CommonOperatorBuilder;
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class CompilationDependencies;
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class Graph;
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class JSGraph;
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class JSHeapBroker;
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class Node;
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class PropertyAccessInfo;
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class SimplifiedOperatorBuilder;
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class PropertyAccessBuilder {
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public:
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PropertyAccessBuilder(JSGraph* jsgraph, JSHeapBroker* js_heap_broker,
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CompilationDependencies* dependencies)
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: jsgraph_(jsgraph),
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js_heap_broker_(js_heap_broker),
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dependencies_(dependencies) {}
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// Builds the appropriate string check if the maps are only string
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// maps.
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bool TryBuildStringCheck(MapHandles const& maps, Node** receiver,
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Node** effect, Node* control);
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// Builds a number check if all maps are number maps.
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bool TryBuildNumberCheck(MapHandles const& maps, Node** receiver,
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Node** effect, Node* control);
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Node* BuildCheckHeapObject(Node* receiver, Node** effect, Node* control);
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void BuildCheckMaps(Node* receiver, Node** effect, Node* control,
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std::vector<Handle<Map>> const& receiver_maps);
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Node* BuildCheckValue(Node* receiver, Node** effect, Node* control,
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Handle<HeapObject> value);
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// Builds the actual load for data-field and data-constant-field
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// properties (without heap-object or map checks).
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Node* BuildLoadDataField(Handle<Name> name,
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PropertyAccessInfo const& access_info,
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Node* receiver, Node** effect, Node** control);
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private:
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JSGraph* jsgraph() const { return jsgraph_; }
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JSHeapBroker* js_heap_broker() const { return js_heap_broker_; }
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CompilationDependencies* dependencies() const { return dependencies_; }
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Graph* graph() const;
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Isolate* isolate() const;
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CommonOperatorBuilder* common() const;
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SimplifiedOperatorBuilder* simplified() const;
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Node* TryBuildLoadConstantDataField(Handle<Name> name,
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PropertyAccessInfo const& access_info,
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Node* receiver);
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// Returns a node with the holder for the property access described by
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// {access_info}.
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Node* ResolveHolder(PropertyAccessInfo const& access_info, Node* receiver);
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JSGraph* jsgraph_;
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JSHeapBroker* js_heap_broker_;
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CompilationDependencies* dependencies_;
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};
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bool HasOnlyStringMaps(MapHandles const& maps);
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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_PROPERTY_ACCESS_BUILDER_H_
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