| // Copyright 2013 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_GRAPH_H_ |
| #define V8_COMPILER_GRAPH_H_ |
| |
| #include <map> |
| #include <set> |
| |
| #include "src/compiler/generic-algorithm.h" |
| #include "src/compiler/node.h" |
| #include "src/compiler/node-aux-data.h" |
| #include "src/compiler/source-position.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| class GraphDecorator; |
| |
| |
| class Graph : public GenericGraph<Node> { |
| public: |
| explicit Graph(Zone* zone); |
| |
| // Base implementation used by all factory methods. |
| Node* NewNode(Operator* op, int input_count, Node** inputs); |
| |
| // Factories for nodes with static input counts. |
| Node* NewNode(Operator* op) { |
| return NewNode(op, 0, static_cast<Node**>(NULL)); |
| } |
| Node* NewNode(Operator* op, Node* n1) { return NewNode(op, 1, &n1); } |
| Node* NewNode(Operator* op, Node* n1, Node* n2) { |
| Node* nodes[] = {n1, n2}; |
| return NewNode(op, ARRAY_SIZE(nodes), nodes); |
| } |
| Node* NewNode(Operator* op, Node* n1, Node* n2, Node* n3) { |
| Node* nodes[] = {n1, n2, n3}; |
| return NewNode(op, ARRAY_SIZE(nodes), nodes); |
| } |
| Node* NewNode(Operator* op, Node* n1, Node* n2, Node* n3, Node* n4) { |
| Node* nodes[] = {n1, n2, n3, n4}; |
| return NewNode(op, ARRAY_SIZE(nodes), nodes); |
| } |
| Node* NewNode(Operator* op, Node* n1, Node* n2, Node* n3, Node* n4, |
| Node* n5) { |
| Node* nodes[] = {n1, n2, n3, n4, n5}; |
| return NewNode(op, ARRAY_SIZE(nodes), nodes); |
| } |
| Node* NewNode(Operator* op, Node* n1, Node* n2, Node* n3, Node* n4, Node* n5, |
| Node* n6) { |
| Node* nodes[] = {n1, n2, n3, n4, n5, n6}; |
| return NewNode(op, ARRAY_SIZE(nodes), nodes); |
| } |
| |
| void ChangeOperator(Node* node, Operator* op); |
| void DeleteNode(Node* node); |
| |
| template <class Visitor> |
| void VisitNodeUsesFrom(Node* node, Visitor* visitor); |
| |
| template <class Visitor> |
| void VisitNodeUsesFromStart(Visitor* visitor); |
| |
| template <class Visitor> |
| void VisitNodeInputsFromEnd(Visitor* visitor); |
| |
| void AddDecorator(GraphDecorator* decorator) { |
| decorators_.push_back(decorator); |
| } |
| |
| void RemoveDecorator(GraphDecorator* decorator) { |
| DecoratorVector::iterator it = |
| std::find(decorators_.begin(), decorators_.end(), decorator); |
| DCHECK(it != decorators_.end()); |
| decorators_.erase(it, it + 1); |
| } |
| |
| private: |
| typedef std::vector<GraphDecorator*, zone_allocator<GraphDecorator*> > |
| DecoratorVector; |
| DecoratorVector decorators_; |
| }; |
| |
| |
| class GraphDecorator : public ZoneObject { |
| public: |
| virtual ~GraphDecorator() {} |
| virtual void Decorate(Node* node) = 0; |
| }; |
| } |
| } |
| } // namespace v8::internal::compiler |
| |
| #endif // V8_COMPILER_GRAPH_H_ |