| // 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_BUILDER_H_ |
| #define V8_COMPILER_GRAPH_BUILDER_H_ |
| |
| #include "src/allocation.h" |
| #include "src/compiler/common-operator.h" |
| #include "src/compiler/graph.h" |
| #include "src/compiler/node.h" |
| #include "src/unique.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // A common base class for anything that creates nodes in a graph. |
| class GraphBuilder { |
| public: |
| GraphBuilder(Isolate* isolate, Graph* graph) |
| : isolate_(isolate), graph_(graph) {} |
| virtual ~GraphBuilder() {} |
| |
| Node* NewNode(const Operator* op, bool incomplete = false) { |
| return MakeNode(op, 0, static_cast<Node**>(NULL), incomplete); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1) { |
| return MakeNode(op, 1, &n1, false); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1, Node* n2) { |
| Node* buffer[] = {n1, n2}; |
| return MakeNode(op, arraysize(buffer), buffer, false); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3) { |
| Node* buffer[] = {n1, n2, n3}; |
| return MakeNode(op, arraysize(buffer), buffer, false); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4) { |
| Node* buffer[] = {n1, n2, n3, n4}; |
| return MakeNode(op, arraysize(buffer), buffer, false); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4, |
| Node* n5) { |
| Node* buffer[] = {n1, n2, n3, n4, n5}; |
| return MakeNode(op, arraysize(buffer), buffer, false); |
| } |
| |
| Node* NewNode(const Operator* op, Node* n1, Node* n2, Node* n3, Node* n4, |
| Node* n5, Node* n6) { |
| Node* nodes[] = {n1, n2, n3, n4, n5, n6}; |
| return MakeNode(op, arraysize(nodes), nodes, false); |
| } |
| |
| Node* NewNode(const Operator* op, int value_input_count, Node** value_inputs, |
| bool incomplete = false) { |
| return MakeNode(op, value_input_count, value_inputs, incomplete); |
| } |
| |
| Isolate* isolate() const { return isolate_; } |
| Graph* graph() const { return graph_; } |
| |
| protected: |
| // Base implementation used by all factory methods. |
| virtual Node* MakeNode(const Operator* op, int value_input_count, |
| Node** value_inputs, bool incomplete) = 0; |
| |
| private: |
| Isolate* isolate_; |
| Graph* graph_; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_GRAPH_BUILDER_H__ |