Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1 | // Copyright 2016 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 <cstring> |
| 6 | #include <fstream> |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 7 | #include <vector> |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 8 | |
| 9 | #include "test/cctest/interpreter/bytecode-expectations-printer.h" |
| 10 | |
| 11 | #include "include/libplatform/libplatform.h" |
| 12 | #include "include/v8.h" |
| 13 | |
| 14 | #include "src/base/logging.h" |
| 15 | #include "src/base/smart-pointers.h" |
| 16 | #include "src/compiler.h" |
| 17 | #include "src/interpreter/interpreter.h" |
| 18 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 19 | #ifdef V8_OS_POSIX |
| 20 | #include <dirent.h> |
| 21 | #endif |
| 22 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 23 | using v8::internal::interpreter::BytecodeExpectationsPrinter; |
| 24 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 25 | #define REPORT_ERROR(MESSAGE) (((std::cerr << "ERROR: ") << MESSAGE) << '\n') |
| 26 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 27 | namespace { |
| 28 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 29 | #ifdef V8_OS_POSIX |
| 30 | const char* kGoldenFilesPath = "test/cctest/interpreter/bytecode_expectations/"; |
| 31 | #endif |
| 32 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 33 | class ProgramOptions final { |
| 34 | public: |
| 35 | static ProgramOptions FromCommandLine(int argc, char** argv); |
| 36 | |
| 37 | ProgramOptions() |
| 38 | : parsing_failed_(false), |
| 39 | print_help_(false), |
| 40 | read_raw_js_snippet_(false), |
| 41 | read_from_stdin_(false), |
| 42 | rebaseline_(false), |
| 43 | wrap_(true), |
| 44 | execute_(true), |
| 45 | top_level_(false), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 46 | do_expressions_(false), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 47 | ignition_generators_(false), |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 48 | verbose_(false), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 49 | const_pool_type_( |
| 50 | BytecodeExpectationsPrinter::ConstantPoolType::kMixed) {} |
| 51 | |
| 52 | bool Validate() const; |
| 53 | void UpdateFromHeader(std::istream& stream); // NOLINT |
| 54 | void PrintHeader(std::ostream& stream) const; // NOLINT |
| 55 | |
| 56 | bool parsing_failed() const { return parsing_failed_; } |
| 57 | bool print_help() const { return print_help_; } |
| 58 | bool read_raw_js_snippet() const { return read_raw_js_snippet_; } |
| 59 | bool read_from_stdin() const { return read_from_stdin_; } |
| 60 | bool write_to_stdout() const { |
| 61 | return output_filename_.empty() && !rebaseline_; |
| 62 | } |
| 63 | bool rebaseline() const { return rebaseline_; } |
| 64 | bool wrap() const { return wrap_; } |
| 65 | bool execute() const { return execute_; } |
| 66 | bool top_level() const { return top_level_; } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 67 | bool do_expressions() const { return do_expressions_; } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 68 | bool ignition_generators() const { return ignition_generators_; } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 69 | bool verbose() const { return verbose_; } |
| 70 | bool suppress_runtime_errors() const { return rebaseline_ && !verbose_; } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 71 | BytecodeExpectationsPrinter::ConstantPoolType const_pool_type() const { |
| 72 | return const_pool_type_; |
| 73 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 74 | std::vector<std::string> input_filenames() const { return input_filenames_; } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 75 | std::string output_filename() const { return output_filename_; } |
| 76 | std::string test_function_name() const { return test_function_name_; } |
| 77 | |
| 78 | private: |
| 79 | bool parsing_failed_; |
| 80 | bool print_help_; |
| 81 | bool read_raw_js_snippet_; |
| 82 | bool read_from_stdin_; |
| 83 | bool rebaseline_; |
| 84 | bool wrap_; |
| 85 | bool execute_; |
| 86 | bool top_level_; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 87 | bool do_expressions_; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 88 | bool ignition_generators_; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 89 | bool verbose_; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 90 | BytecodeExpectationsPrinter::ConstantPoolType const_pool_type_; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 91 | std::vector<std::string> input_filenames_; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 92 | std::string output_filename_; |
| 93 | std::string test_function_name_; |
| 94 | }; |
| 95 | |
| 96 | class ArrayBufferAllocator final : public v8::ArrayBuffer::Allocator { |
| 97 | public: |
| 98 | void* Allocate(size_t length) override { |
| 99 | void* data = AllocateUninitialized(length); |
| 100 | if (data != nullptr) memset(data, 0, length); |
| 101 | return data; |
| 102 | } |
| 103 | void* AllocateUninitialized(size_t length) override { return malloc(length); } |
| 104 | void Free(void* data, size_t) override { free(data); } |
| 105 | }; |
| 106 | |
| 107 | class V8InitializationScope final { |
| 108 | public: |
| 109 | explicit V8InitializationScope(const char* exec_path); |
| 110 | ~V8InitializationScope(); |
| 111 | |
| 112 | v8::Platform* platform() const { return platform_.get(); } |
| 113 | v8::Isolate* isolate() const { return isolate_; } |
| 114 | |
| 115 | private: |
| 116 | v8::base::SmartPointer<v8::Platform> platform_; |
| 117 | v8::Isolate* isolate_; |
| 118 | |
| 119 | DISALLOW_COPY_AND_ASSIGN(V8InitializationScope); |
| 120 | }; |
| 121 | |
| 122 | BytecodeExpectationsPrinter::ConstantPoolType ParseConstantPoolType( |
| 123 | const char* type_string) { |
| 124 | if (strcmp(type_string, "number") == 0) { |
| 125 | return BytecodeExpectationsPrinter::ConstantPoolType::kNumber; |
| 126 | } else if (strcmp(type_string, "string") == 0) { |
| 127 | return BytecodeExpectationsPrinter::ConstantPoolType::kString; |
| 128 | } else if (strcmp(type_string, "mixed") == 0) { |
| 129 | return BytecodeExpectationsPrinter::ConstantPoolType::kMixed; |
| 130 | } |
| 131 | return BytecodeExpectationsPrinter::ConstantPoolType::kUnknown; |
| 132 | } |
| 133 | |
| 134 | const char* ConstantPoolTypeToString( |
| 135 | BytecodeExpectationsPrinter::ConstantPoolType type) { |
| 136 | switch (type) { |
| 137 | case BytecodeExpectationsPrinter::ConstantPoolType::kNumber: |
| 138 | return "number"; |
| 139 | case BytecodeExpectationsPrinter::ConstantPoolType::kMixed: |
| 140 | return "mixed"; |
| 141 | case BytecodeExpectationsPrinter::ConstantPoolType::kString: |
| 142 | return "string"; |
| 143 | default: |
| 144 | UNREACHABLE(); |
| 145 | return nullptr; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | bool ParseBoolean(const char* string) { |
| 150 | if (strcmp(string, "yes") == 0) { |
| 151 | return true; |
| 152 | } else if (strcmp(string, "no") == 0) { |
| 153 | return false; |
| 154 | } else { |
| 155 | UNREACHABLE(); |
| 156 | return false; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | const char* BooleanToString(bool value) { return value ? "yes" : "no"; } |
| 161 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 162 | #ifdef V8_OS_POSIX |
| 163 | |
| 164 | bool StrEndsWith(const char* string, const char* suffix) { |
| 165 | int string_size = i::StrLength(string); |
| 166 | int suffix_size = i::StrLength(suffix); |
| 167 | if (string_size < suffix_size) return false; |
| 168 | |
| 169 | return strcmp(string + (string_size - suffix_size), suffix) == 0; |
| 170 | } |
| 171 | |
| 172 | bool CollectGoldenFiles(std::vector<std::string>* golden_file_list, |
| 173 | const char* directory_path) { |
| 174 | DIR* directory = opendir(directory_path); |
| 175 | if (!directory) return false; |
| 176 | |
| 177 | dirent entry_buffer; |
| 178 | dirent* entry; |
| 179 | |
| 180 | while (readdir_r(directory, &entry_buffer, &entry) == 0 && entry) { |
| 181 | if (StrEndsWith(entry->d_name, ".golden")) { |
| 182 | std::string golden_filename(kGoldenFilesPath); |
| 183 | golden_filename += entry->d_name; |
| 184 | golden_file_list->push_back(golden_filename); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | closedir(directory); |
| 189 | |
| 190 | return true; |
| 191 | } |
| 192 | |
| 193 | #endif // V8_OS_POSIX |
| 194 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 195 | // static |
| 196 | ProgramOptions ProgramOptions::FromCommandLine(int argc, char** argv) { |
| 197 | ProgramOptions options; |
| 198 | |
| 199 | for (int i = 1; i < argc; ++i) { |
| 200 | if (strcmp(argv[i], "--help") == 0) { |
| 201 | options.print_help_ = true; |
| 202 | } else if (strcmp(argv[i], "--raw-js") == 0) { |
| 203 | options.read_raw_js_snippet_ = true; |
| 204 | } else if (strncmp(argv[i], "--pool-type=", 12) == 0) { |
| 205 | options.const_pool_type_ = ParseConstantPoolType(argv[i] + 12); |
| 206 | } else if (strcmp(argv[i], "--stdin") == 0) { |
| 207 | options.read_from_stdin_ = true; |
| 208 | } else if (strcmp(argv[i], "--rebaseline") == 0) { |
| 209 | options.rebaseline_ = true; |
| 210 | } else if (strcmp(argv[i], "--no-wrap") == 0) { |
| 211 | options.wrap_ = false; |
| 212 | } else if (strcmp(argv[i], "--no-execute") == 0) { |
| 213 | options.execute_ = false; |
| 214 | } else if (strcmp(argv[i], "--top-level") == 0) { |
| 215 | options.top_level_ = true; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 216 | } else if (strcmp(argv[i], "--do-expressions") == 0) { |
| 217 | options.do_expressions_ = true; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 218 | } else if (strcmp(argv[i], "--ignition-generators") == 0) { |
| 219 | options.ignition_generators_ = true; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 220 | } else if (strcmp(argv[i], "--verbose") == 0) { |
| 221 | options.verbose_ = true; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 222 | } else if (strncmp(argv[i], "--output=", 9) == 0) { |
| 223 | options.output_filename_ = argv[i] + 9; |
| 224 | } else if (strncmp(argv[i], "--test-function-name=", 21) == 0) { |
| 225 | options.test_function_name_ = argv[i] + 21; |
| 226 | } else if (strncmp(argv[i], "--", 2) != 0) { // It doesn't start with -- |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 227 | options.input_filenames_.push_back(argv[i]); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 228 | } else { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 229 | REPORT_ERROR("Unknown option " << argv[i]); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 230 | options.parsing_failed_ = true; |
| 231 | break; |
| 232 | } |
| 233 | } |
| 234 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 235 | if (options.rebaseline_ && options.input_filenames_.empty()) { |
| 236 | #ifdef V8_OS_POSIX |
| 237 | if (options.verbose_) { |
| 238 | std::cout << "Looking for golden files in " << kGoldenFilesPath << '\n'; |
| 239 | } |
| 240 | if (!CollectGoldenFiles(&options.input_filenames_, kGoldenFilesPath)) { |
| 241 | REPORT_ERROR("Golden files autodiscovery failed."); |
| 242 | options.parsing_failed_ = true; |
| 243 | } |
| 244 | #else |
| 245 | REPORT_ERROR("Golden files autodiscovery requires a POSIX OS, sorry."); |
| 246 | options.parsing_failed_ = true; |
| 247 | #endif |
| 248 | } |
| 249 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 250 | return options; |
| 251 | } |
| 252 | |
| 253 | bool ProgramOptions::Validate() const { |
| 254 | if (parsing_failed_) return false; |
| 255 | if (print_help_) return true; |
| 256 | |
| 257 | if (const_pool_type_ == |
| 258 | BytecodeExpectationsPrinter::ConstantPoolType::kUnknown) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 259 | REPORT_ERROR("Unknown constant pool type."); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 260 | return false; |
| 261 | } |
| 262 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 263 | if (!read_from_stdin_ && input_filenames_.empty()) { |
| 264 | REPORT_ERROR("No input file specified."); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 265 | return false; |
| 266 | } |
| 267 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 268 | if (read_from_stdin_ && !input_filenames_.empty()) { |
| 269 | REPORT_ERROR("Reading from stdin, but input files supplied."); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 270 | return false; |
| 271 | } |
| 272 | |
| 273 | if (rebaseline_ && read_raw_js_snippet_) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 274 | REPORT_ERROR("Cannot use --rebaseline on a raw JS snippet."); |
| 275 | return false; |
| 276 | } |
| 277 | |
| 278 | if (rebaseline_ && !output_filename_.empty()) { |
| 279 | REPORT_ERROR("Output file cannot be specified together with --rebaseline."); |
| 280 | return false; |
| 281 | } |
| 282 | |
| 283 | if (rebaseline_ && read_from_stdin_) { |
| 284 | REPORT_ERROR("Cannot --rebaseline when input is --stdin."); |
| 285 | return false; |
| 286 | } |
| 287 | |
| 288 | if (input_filenames_.size() > 1 && !rebaseline_ && !read_raw_js_snippet()) { |
| 289 | REPORT_ERROR( |
| 290 | "Multiple input files, but no --rebaseline or --raw-js specified."); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 291 | return false; |
| 292 | } |
| 293 | |
| 294 | if (top_level_ && !test_function_name_.empty()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 295 | REPORT_ERROR( |
| 296 | "Test function name specified while processing top level code."); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 297 | return false; |
| 298 | } |
| 299 | |
| 300 | return true; |
| 301 | } |
| 302 | |
| 303 | void ProgramOptions::UpdateFromHeader(std::istream& stream) { |
| 304 | std::string line; |
| 305 | |
| 306 | // Skip to the beginning of the options header |
| 307 | while (std::getline(stream, line)) { |
| 308 | if (line == "---") break; |
| 309 | } |
| 310 | |
| 311 | while (std::getline(stream, line)) { |
| 312 | if (line.compare(0, 11, "pool type: ") == 0) { |
| 313 | const_pool_type_ = ParseConstantPoolType(line.c_str() + 11); |
| 314 | } else if (line.compare(0, 9, "execute: ") == 0) { |
| 315 | execute_ = ParseBoolean(line.c_str() + 9); |
| 316 | } else if (line.compare(0, 6, "wrap: ") == 0) { |
| 317 | wrap_ = ParseBoolean(line.c_str() + 6); |
| 318 | } else if (line.compare(0, 20, "test function name: ") == 0) { |
| 319 | test_function_name_ = line.c_str() + 20; |
| 320 | } else if (line.compare(0, 11, "top level: ") == 0) { |
| 321 | top_level_ = ParseBoolean(line.c_str() + 11); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 322 | } else if (line.compare(0, 16, "do expressions: ") == 0) { |
| 323 | do_expressions_ = ParseBoolean(line.c_str() + 16); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 324 | } else if (line.compare(0, 21, "ignition generators: ") == 0) { |
| 325 | ignition_generators_ = ParseBoolean(line.c_str() + 21); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 326 | } else if (line == "---") { |
| 327 | break; |
| 328 | } else if (line.empty()) { |
| 329 | continue; |
| 330 | } else { |
| 331 | UNREACHABLE(); |
| 332 | return; |
| 333 | } |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | void ProgramOptions::PrintHeader(std::ostream& stream) const { // NOLINT |
| 338 | stream << "---" |
| 339 | "\npool type: " |
| 340 | << ConstantPoolTypeToString(const_pool_type_) |
| 341 | << "\nexecute: " << BooleanToString(execute_) |
| 342 | << "\nwrap: " << BooleanToString(wrap_); |
| 343 | |
| 344 | if (!test_function_name_.empty()) { |
| 345 | stream << "\ntest function name: " << test_function_name_; |
| 346 | } |
| 347 | |
| 348 | if (top_level_) stream << "\ntop level: yes"; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 349 | if (do_expressions_) stream << "\ndo expressions: yes"; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 350 | if (ignition_generators_) stream << "\nignition generators: yes"; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 351 | |
| 352 | stream << "\n\n"; |
| 353 | } |
| 354 | |
| 355 | V8InitializationScope::V8InitializationScope(const char* exec_path) |
| 356 | : platform_(v8::platform::CreateDefaultPlatform()) { |
| 357 | i::FLAG_ignition = true; |
| 358 | i::FLAG_always_opt = false; |
| 359 | i::FLAG_allow_natives_syntax = true; |
| 360 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame^] | 361 | v8::V8::InitializeICUDefaultLocation(exec_path); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 362 | v8::V8::InitializeExternalStartupData(exec_path); |
| 363 | v8::V8::InitializePlatform(platform_.get()); |
| 364 | v8::V8::Initialize(); |
| 365 | |
| 366 | ArrayBufferAllocator allocator; |
| 367 | v8::Isolate::CreateParams create_params; |
| 368 | create_params.array_buffer_allocator = &allocator; |
| 369 | |
| 370 | isolate_ = v8::Isolate::New(create_params); |
| 371 | } |
| 372 | |
| 373 | V8InitializationScope::~V8InitializationScope() { |
| 374 | isolate_->Dispose(); |
| 375 | v8::V8::Dispose(); |
| 376 | v8::V8::ShutdownPlatform(); |
| 377 | } |
| 378 | |
| 379 | std::string ReadRawJSSnippet(std::istream& stream) { // NOLINT |
| 380 | std::stringstream body_buffer; |
| 381 | CHECK(body_buffer << stream.rdbuf()); |
| 382 | return body_buffer.str(); |
| 383 | } |
| 384 | |
| 385 | bool ReadNextSnippet(std::istream& stream, std::string* string_out) { // NOLINT |
| 386 | std::string line; |
| 387 | bool found_begin_snippet = false; |
| 388 | string_out->clear(); |
| 389 | while (std::getline(stream, line)) { |
| 390 | if (line == "snippet: \"") { |
| 391 | found_begin_snippet = true; |
| 392 | continue; |
| 393 | } |
| 394 | if (!found_begin_snippet) continue; |
| 395 | if (line == "\"") return true; |
| 396 | CHECK_GE(line.size(), 2u); // We should have the indent |
| 397 | string_out->append(line.begin() + 2, line.end()); |
| 398 | *string_out += '\n'; |
| 399 | } |
| 400 | return false; |
| 401 | } |
| 402 | |
| 403 | std::string UnescapeString(const std::string& escaped_string) { |
| 404 | std::string unescaped_string; |
| 405 | bool previous_was_backslash = false; |
| 406 | for (char c : escaped_string) { |
| 407 | if (previous_was_backslash) { |
| 408 | // If it was not an escape sequence, emit the previous backslash |
| 409 | if (c != '\\' && c != '"') unescaped_string += '\\'; |
| 410 | unescaped_string += c; |
| 411 | previous_was_backslash = false; |
| 412 | } else { |
| 413 | if (c == '\\') { |
| 414 | previous_was_backslash = true; |
| 415 | // Defer emission to the point where we can check if it was an escape. |
| 416 | } else { |
| 417 | unescaped_string += c; |
| 418 | } |
| 419 | } |
| 420 | } |
| 421 | return unescaped_string; |
| 422 | } |
| 423 | |
| 424 | void ExtractSnippets(std::vector<std::string>* snippet_list, |
| 425 | std::istream& body_stream, // NOLINT |
| 426 | bool read_raw_js_snippet) { |
| 427 | if (read_raw_js_snippet) { |
| 428 | snippet_list->push_back(ReadRawJSSnippet(body_stream)); |
| 429 | } else { |
| 430 | std::string snippet; |
| 431 | while (ReadNextSnippet(body_stream, &snippet)) { |
| 432 | snippet_list->push_back(UnescapeString(snippet)); |
| 433 | } |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | void GenerateExpectationsFile(std::ostream& stream, // NOLINT |
| 438 | const std::vector<std::string>& snippet_list, |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 439 | const V8InitializationScope& platform, |
| 440 | const ProgramOptions& options) { |
| 441 | v8::Isolate::Scope isolate_scope(platform.isolate()); |
| 442 | v8::HandleScope handle_scope(platform.isolate()); |
| 443 | v8::Local<v8::Context> context = v8::Context::New(platform.isolate()); |
| 444 | v8::Context::Scope context_scope(context); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 445 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 446 | BytecodeExpectationsPrinter printer(platform.isolate(), |
| 447 | options.const_pool_type()); |
| 448 | printer.set_wrap(options.wrap()); |
| 449 | printer.set_execute(options.execute()); |
| 450 | printer.set_top_level(options.top_level()); |
| 451 | if (!options.test_function_name().empty()) { |
| 452 | printer.set_test_function_name(options.test_function_name()); |
| 453 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 454 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 455 | if (options.do_expressions()) i::FLAG_harmony_do_expressions = true; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 456 | if (options.ignition_generators()) i::FLAG_ignition_generators = true; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 457 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 458 | stream << "#\n# Autogenerated by generate-bytecode-expectations.\n#\n\n"; |
| 459 | options.PrintHeader(stream); |
| 460 | for (const std::string& snippet : snippet_list) { |
| 461 | printer.PrintExpectation(stream, snippet); |
| 462 | } |
| 463 | |
| 464 | i::FLAG_harmony_do_expressions = false; |
| 465 | } |
| 466 | |
| 467 | bool WriteExpectationsFile(const std::vector<std::string>& snippet_list, |
| 468 | const V8InitializationScope& platform, |
| 469 | const ProgramOptions& options, |
| 470 | const std::string& output_filename) { |
| 471 | std::ofstream output_file_handle; |
| 472 | if (!options.write_to_stdout()) { |
| 473 | output_file_handle.open(output_filename.c_str()); |
| 474 | if (!output_file_handle.is_open()) { |
| 475 | REPORT_ERROR("Could not open " << output_filename << " for writing."); |
| 476 | return false; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 477 | } |
| 478 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 479 | std::ostream& output_stream = |
| 480 | options.write_to_stdout() ? std::cout : output_file_handle; |
| 481 | |
| 482 | GenerateExpectationsFile(output_stream, snippet_list, platform, options); |
| 483 | |
| 484 | return true; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 485 | } |
| 486 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 487 | void PrintMessage(v8::Local<v8::Message> message, v8::Local<v8::Value>) { |
| 488 | std::cerr << "INFO: " << *v8::String::Utf8Value(message->Get()) << '\n'; |
| 489 | } |
| 490 | |
| 491 | void DiscardMessage(v8::Local<v8::Message>, v8::Local<v8::Value>) {} |
| 492 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 493 | void PrintUsage(const char* exec_path) { |
| 494 | std::cerr |
| 495 | << "\nUsage: " << exec_path |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 496 | << " [OPTIONS]... [INPUT FILES]...\n\n" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 497 | "Options:\n" |
| 498 | " --help Print this help message.\n" |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 499 | " --verbose Emit messages about the progress of the tool.\n" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 500 | " --raw-js Read raw JavaScript, instead of the output format.\n" |
| 501 | " --stdin Read from standard input instead of file.\n" |
| 502 | " --rebaseline Rebaseline input snippet file.\n" |
| 503 | " --no-wrap Do not wrap the snippet in a function.\n" |
| 504 | " --no-execute Do not execute after compilation.\n" |
| 505 | " --test-function-name=foo " |
| 506 | "Specify the name of the test function.\n" |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 507 | " --top-level Process top level code, not the top-level function.\n" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 508 | " --do-expressions Enable harmony_do_expressions flag.\n" |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 509 | " --ignition-generators Enable ignition_generators flag.\n" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 510 | " --output=file.name\n" |
| 511 | " Specify the output file. If not specified, output goes to " |
| 512 | "stdout.\n" |
| 513 | " --pool-type=(number|string|mixed)\n" |
| 514 | " Specify the type of the entries in the constant pool " |
| 515 | "(default: mixed).\n" |
| 516 | "\n" |
| 517 | "When using --rebaseline, flags --no-wrap, --no-execute, " |
| 518 | "--test-function-name\nand --pool-type will be overridden by the " |
| 519 | "options specified in the input file\nheader.\n\n" |
| 520 | "Each raw JavaScript file is interpreted as a single snippet.\n\n" |
| 521 | "This tool is intended as a help in writing tests.\n" |
| 522 | "Please, DO NOT blindly copy and paste the output " |
| 523 | "into the test suite.\n"; |
| 524 | } |
| 525 | |
| 526 | } // namespace |
| 527 | |
| 528 | int main(int argc, char** argv) { |
| 529 | ProgramOptions options = ProgramOptions::FromCommandLine(argc, argv); |
| 530 | |
| 531 | if (!options.Validate() || options.print_help()) { |
| 532 | PrintUsage(argv[0]); |
| 533 | return options.print_help() ? 0 : 1; |
| 534 | } |
| 535 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 536 | V8InitializationScope platform(argv[0]); |
| 537 | platform.isolate()->AddMessageListener( |
| 538 | options.suppress_runtime_errors() ? DiscardMessage : PrintMessage); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 539 | |
| 540 | std::vector<std::string> snippet_list; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 541 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 542 | if (options.read_from_stdin()) { |
| 543 | // Rebaseline will never get here, so we will always take the |
| 544 | // GenerateExpectationsFile at the end of this function. |
| 545 | DCHECK(!options.rebaseline()); |
| 546 | ExtractSnippets(&snippet_list, std::cin, options.read_raw_js_snippet()); |
| 547 | } else { |
| 548 | for (const std::string& input_filename : options.input_filenames()) { |
| 549 | if (options.verbose()) { |
| 550 | std::cerr << "Processing " << input_filename << '\n'; |
| 551 | } |
| 552 | |
| 553 | std::ifstream input_stream(input_filename.c_str()); |
| 554 | if (!input_stream.is_open()) { |
| 555 | REPORT_ERROR("Could not open " << input_filename << " for reading."); |
| 556 | return 2; |
| 557 | } |
| 558 | |
| 559 | ProgramOptions updated_options = options; |
| 560 | if (options.rebaseline()) { |
| 561 | updated_options.UpdateFromHeader(input_stream); |
| 562 | CHECK(updated_options.Validate()); |
| 563 | } |
| 564 | |
| 565 | ExtractSnippets(&snippet_list, input_stream, |
| 566 | options.read_raw_js_snippet()); |
| 567 | |
| 568 | if (options.rebaseline()) { |
| 569 | if (!WriteExpectationsFile(snippet_list, platform, updated_options, |
| 570 | input_filename)) { |
| 571 | return 3; |
| 572 | } |
| 573 | snippet_list.clear(); |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | if (!options.rebaseline()) { |
| 579 | if (!WriteExpectationsFile(snippet_list, platform, options, |
| 580 | options.output_filename())) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 581 | return 3; |
| 582 | } |
| 583 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 584 | } |