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/*
* Copyright (C) 2014 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_OPTIMIZING_PRETTY_PRINTER_H_
#define ART_COMPILER_OPTIMIZING_PRETTY_PRINTER_H_
#include "android-base/stringprintf.h"
#include "base/macros.h"
#include "nodes.h"
namespace art HIDDEN {
class HPrettyPrinter : public HGraphVisitor {
public:
explicit HPrettyPrinter(HGraph* graph) : HGraphVisitor(graph) { }
void PrintPreInstruction(HInstruction* instruction) {
PrintString(" ");
PrintInt(instruction->GetId());
PrintString(": ");
}
void VisitInstruction(HInstruction* instruction) override {
PrintPreInstruction(instruction);
PrintString(instruction->DebugName());
PrintPostInstruction(instruction);
}
void PrintPostInstruction(HInstruction* instruction) {
HConstInputsRef inputs = instruction->GetInputs();
if (!inputs.empty()) {
PrintString("(");
bool first = true;
for (const HInstruction* input : inputs) {
if (first) {
first = false;
} else {
PrintString(", ");
}
PrintInt(input->GetId());
}
PrintString(")");
}
if (instruction->HasUses()) {
PrintString(" [");
bool first = true;
for (const HUseListNode<HInstruction*>& use : instruction->GetUses()) {
if (first) {
first = false;
} else {
PrintString(", ");
}
PrintInt(use.GetUser()->GetId());
}
PrintString("]");
}
PrintNewLine();
}
void VisitBasicBlock(HBasicBlock* block) override {
PrintString("BasicBlock ");
PrintInt(block->GetBlockId());
const ArenaVector<HBasicBlock*>& predecessors = block->GetPredecessors();
if (!predecessors.empty()) {
PrintString(", pred: ");
for (size_t i = 0; i < predecessors.size() -1; i++) {
PrintInt(predecessors[i]->GetBlockId());
PrintString(", ");
}
PrintInt(predecessors.back()->GetBlockId());
}
const ArenaVector<HBasicBlock*>& successors = block->GetSuccessors();
if (!successors.empty()) {
PrintString(", succ: ");
for (size_t i = 0; i < successors.size() - 1; i++) {
PrintInt(successors[i]->GetBlockId());
PrintString(", ");
}
PrintInt(successors.back()->GetBlockId());
}
PrintNewLine();
HGraphVisitor::VisitBasicBlock(block);
}
virtual void PrintNewLine() = 0;
virtual void PrintInt(int value) = 0;
virtual void PrintString(const char* value) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(HPrettyPrinter);
};
class StringPrettyPrinter : public HPrettyPrinter {
public:
explicit StringPrettyPrinter(HGraph* graph)
: HPrettyPrinter(graph), str_(""), current_block_(nullptr) { }
void PrintInt(int value) override {
str_ += android::base::StringPrintf("%d", value);
}
void PrintString(const char* value) override {
str_ += value;
}
void PrintNewLine() override {
str_ += '\n';
}
void Clear() { str_.clear(); }
std::string str() const { return str_; }
void VisitBasicBlock(HBasicBlock* block) override {
current_block_ = block;
HPrettyPrinter::VisitBasicBlock(block);
}
void VisitGoto(HGoto* gota) override {
PrintString(" ");
PrintInt(gota->GetId());
PrintString(": Goto ");
PrintInt(current_block_->GetSuccessors()[0]->GetBlockId());
PrintNewLine();
}
private:
std::string str_;
HBasicBlock* current_block_;
DISALLOW_COPY_AND_ASSIGN(StringPrettyPrinter);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_PRETTY_PRINTER_H_
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