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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_SEA_IR_DEBUG_DOT_GEN_H_
#define ART_COMPILER_SEA_IR_DEBUG_DOT_GEN_H_
#include "safe_map.h"
#include "base/stringprintf.h"
#include "file_output_stream.h"
#include "sea_ir/ir/sea.h"
#include "sea_ir/types/type_inference.h"
namespace sea_ir {
class DotConversionOptions {
public:
DotConversionOptions(): save_use_edges_(false) { }
bool WillSaveUseEdges() const {
return save_use_edges_;
}
private:
bool save_use_edges_;
};
class DotGenerationVisitor: public IRVisitor {
public:
explicit DotGenerationVisitor(const DotConversionOptions* const options,
art::SafeMap<int, const Type*>* types): graph_(), types_(types), options_(options) { }
virtual void Initialize(SeaGraph* graph);
// Saves the ssa def->use edges corresponding to @instruction.
void ToDotSSAEdges(InstructionNode* instruction);
void ToDotSSAEdges(PhiInstructionNode* instruction);
void Visit(SeaGraph* graph) {
dot_text_ += "digraph seaOfNodes {\ncompound=true\n";
}
void Visit(SignatureNode* parameter);
// Appends to @result a dot language formatted string representing the node and
// (by convention) outgoing edges, so that the composition of theToDot() of all nodes
// builds a complete dot graph (without prolog and epilog though).
void Visit(Region* region);
void Visit(InstructionNode* instruction);
void Visit(PhiInstructionNode* phi);
void Visit(UnnamedConstInstructionNode* instruction);
void Visit(ConstInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(ReturnInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(IfNeInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(MoveResultInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(InvokeStaticInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(AddIntInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(GotoInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
void Visit(IfEqzInstructionNode* instruction) {
Visit(reinterpret_cast<InstructionNode*>(instruction));
}
std::string GetResult() const {
return dot_text_;
}
private:
std::string dot_text_;
SeaGraph* graph_;
art::SafeMap<int, const Type*>* types_;
const DotConversionOptions* const options_;
};
// Stores options for turning a SEA IR graph to a .dot file.
class DotConversion {
public:
DotConversion(): options_() { }
// Saves to @filename the .dot representation of @graph with the options @options.
void DumpSea(SeaGraph* graph, std::string filename,
art::SafeMap<int, const Type*>* types) const {
LOG(INFO) << "Starting to write SEA string to file.";
DotGenerationVisitor dgv = DotGenerationVisitor(&options_, types);
graph->Accept(&dgv);
art::File* file = art::OS::OpenFile(filename.c_str(), true, true);
art::FileOutputStream fos(file);
std::string graph_as_string = dgv.GetResult();
graph_as_string += "}";
fos.WriteFully(graph_as_string.c_str(), graph_as_string.size());
LOG(INFO) << "Written SEA string to file.";
}
private:
DotConversionOptions options_;
};
} // namespace sea_ir
#endif // ART_COMPILER_SEA_IR_DEBUG_DOT_GEN_H_
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