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// 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__
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