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