1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/interpreter/bytecode-pipeline.h" 6 7 #include <iomanip> 8 #include "src/source-position-table.h" 9 10 namespace v8 { 11 namespace internal { 12 namespace interpreter { 13 14 void BytecodeNode::Print(std::ostream& os) const { 15 #ifdef DEBUG 16 std::ios saved_state(nullptr); 17 saved_state.copyfmt(os); 18 os << Bytecodes::ToString(bytecode_); 19 20 for (int i = 0; i < operand_count(); ++i) { 21 os << ' ' << std::setw(8) << std::setfill('0') << std::hex << operands_[i]; 22 } 23 os.copyfmt(saved_state); 24 25 if (source_info_.is_valid()) { 26 os << ' ' << source_info_; 27 } 28 os << '\n'; 29 #else 30 os << static_cast<const void*>(this); 31 #endif // DEBUG 32 } 33 34 bool BytecodeNode::operator==(const BytecodeNode& other) const { 35 if (this == &other) { 36 return true; 37 } else if (this->bytecode() != other.bytecode() || 38 this->source_info() != other.source_info()) { 39 return false; 40 } else { 41 for (int i = 0; i < this->operand_count(); ++i) { 42 if (this->operand(i) != other.operand(i)) { 43 return false; 44 } 45 } 46 } 47 return true; 48 } 49 50 std::ostream& operator<<(std::ostream& os, const BytecodeSourceInfo& info) { 51 if (info.is_valid()) { 52 char description = info.is_statement() ? 'S' : 'E'; 53 os << info.source_position() << ' ' << description << '>'; 54 } 55 return os; 56 } 57 58 std::ostream& operator<<(std::ostream& os, const BytecodeNode& node) { 59 node.Print(os); 60 return os; 61 } 62 63 } // namespace interpreter 64 } // namespace internal 65 } // namespace v8 66
