Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 29 | #ifdef V8_SHARED |
| 30 | #define USING_V8_SHARED |
| 31 | #endif |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 32 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 33 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 34 | #include <bzlib.h> |
| 35 | #endif |
| 36 | |
| 37 | #include <errno.h> |
| 38 | #include <stdlib.h> |
| 39 | #include <string.h> |
| 40 | |
| 41 | #ifdef USING_V8_SHARED |
| 42 | #include <assert.h> |
| 43 | #include "../include/v8-testing.h" |
| 44 | #endif // USING_V8_SHARED |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 45 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 46 | #include "d8.h" |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 47 | |
| 48 | #ifndef USING_V8_SHARED |
| 49 | #include "api.h" |
| 50 | #include "checks.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 51 | #include "d8-debug.h" |
| 52 | #include "debug.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 53 | #include "natives.h" |
| 54 | #include "platform.h" |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 55 | #include "v8.h" |
| 56 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 57 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 58 | #if !defined(_WIN32) && !defined(_WIN64) |
| 59 | #include <unistd.h> // NOLINT |
| 60 | #endif |
| 61 | |
| 62 | #ifdef USING_V8_SHARED |
| 63 | #define ASSERT(condition) assert(condition) |
| 64 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 65 | |
| 66 | namespace v8 { |
| 67 | |
| 68 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 69 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 70 | LineEditor *LineEditor::first_ = NULL; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 71 | const char* Shell::kHistoryFileName = ".d8_history"; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 72 | |
| 73 | |
| 74 | LineEditor::LineEditor(Type type, const char* name) |
| 75 | : type_(type), |
| 76 | name_(name), |
| 77 | next_(first_) { |
| 78 | first_ = this; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | LineEditor* LineEditor::Get() { |
| 83 | LineEditor* current = first_; |
| 84 | LineEditor* best = current; |
| 85 | while (current != NULL) { |
| 86 | if (current->type_ > best->type_) |
| 87 | best = current; |
| 88 | current = current->next_; |
| 89 | } |
| 90 | return best; |
| 91 | } |
| 92 | |
| 93 | |
| 94 | class DumbLineEditor: public LineEditor { |
| 95 | public: |
| 96 | DumbLineEditor() : LineEditor(LineEditor::DUMB, "dumb") { } |
| 97 | virtual i::SmartPointer<char> Prompt(const char* prompt); |
| 98 | }; |
| 99 | |
| 100 | |
| 101 | static DumbLineEditor dumb_line_editor; |
| 102 | |
| 103 | |
| 104 | i::SmartPointer<char> DumbLineEditor::Prompt(const char* prompt) { |
| 105 | static const int kBufferSize = 256; |
| 106 | char buffer[kBufferSize]; |
| 107 | printf("%s", prompt); |
| 108 | char* str = fgets(buffer, kBufferSize, stdin); |
| 109 | return i::SmartPointer<char>(str ? i::StrDup(str) : str); |
| 110 | } |
| 111 | |
| 112 | |
| 113 | CounterMap* Shell::counter_map_; |
| 114 | i::OS::MemoryMappedFile* Shell::counters_file_ = NULL; |
| 115 | CounterCollection Shell::local_counters_; |
| 116 | CounterCollection* Shell::counters_ = &local_counters_; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 117 | i::Mutex* Shell::context_mutex_(i::OS::CreateMutex()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 118 | Persistent<Context> Shell::utility_context_; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 119 | #endif // USING_V8_SHARED |
| 120 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 121 | Persistent<Context> Shell::evaluation_context_; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 122 | ShellOptions Shell::options; |
| 123 | const char* Shell::kPrompt = "d8> "; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 124 | |
| 125 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 126 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 127 | bool CounterMap::Match(void* key1, void* key2) { |
| 128 | const char* name1 = reinterpret_cast<const char*>(key1); |
| 129 | const char* name2 = reinterpret_cast<const char*>(key2); |
| 130 | return strcmp(name1, name2) == 0; |
| 131 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 132 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 133 | |
| 134 | |
| 135 | // Converts a V8 value to a C string. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 136 | const char* Shell::ToCString(const v8::String::Utf8Value& value) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 137 | return *value ? *value : "<string conversion failed>"; |
| 138 | } |
| 139 | |
| 140 | |
| 141 | // Executes a string within the current v8 context. |
| 142 | bool Shell::ExecuteString(Handle<String> source, |
| 143 | Handle<Value> name, |
| 144 | bool print_result, |
| 145 | bool report_exceptions) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 146 | #ifndef USING_V8_SHARED |
| 147 | bool FLAG_debugger = i::FLAG_debugger; |
| 148 | #else |
| 149 | bool FLAG_debugger = false; |
| 150 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 151 | HandleScope handle_scope; |
| 152 | TryCatch try_catch; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 153 | options.script_executed = true; |
| 154 | if (FLAG_debugger) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 155 | // When debugging make exceptions appear to be uncaught. |
| 156 | try_catch.SetVerbose(true); |
| 157 | } |
| 158 | Handle<Script> script = Script::Compile(source, name); |
| 159 | if (script.IsEmpty()) { |
| 160 | // Print errors that happened during compilation. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 161 | if (report_exceptions && !FLAG_debugger) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 162 | ReportException(&try_catch); |
| 163 | return false; |
| 164 | } else { |
| 165 | Handle<Value> result = script->Run(); |
| 166 | if (result.IsEmpty()) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 167 | ASSERT(try_catch.HasCaught()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 168 | // Print errors that happened during execution. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 169 | if (report_exceptions && !FLAG_debugger) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 170 | ReportException(&try_catch); |
| 171 | return false; |
| 172 | } else { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 173 | ASSERT(!try_catch.HasCaught()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 174 | if (print_result && !result->IsUndefined()) { |
| 175 | // If all went well and the result wasn't undefined then print |
| 176 | // the returned value. |
| 177 | v8::String::Utf8Value str(result); |
| 178 | const char* cstr = ToCString(str); |
| 179 | printf("%s\n", cstr); |
| 180 | } |
| 181 | return true; |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | |
| 187 | Handle<Value> Shell::Print(const Arguments& args) { |
| 188 | Handle<Value> val = Write(args); |
| 189 | printf("\n"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 190 | fflush(stdout); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 191 | return val; |
| 192 | } |
| 193 | |
| 194 | |
| 195 | Handle<Value> Shell::Write(const Arguments& args) { |
| 196 | for (int i = 0; i < args.Length(); i++) { |
| 197 | HandleScope handle_scope; |
| 198 | if (i != 0) { |
| 199 | printf(" "); |
| 200 | } |
| 201 | v8::String::Utf8Value str(args[i]); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 202 | int n = fwrite(*str, sizeof(**str), str.length(), stdout); |
| 203 | if (n != str.length()) { |
| 204 | printf("Error in fwrite\n"); |
| 205 | exit(1); |
| 206 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 207 | } |
| 208 | return Undefined(); |
| 209 | } |
| 210 | |
| 211 | |
| 212 | Handle<Value> Shell::Read(const Arguments& args) { |
| 213 | String::Utf8Value file(args[0]); |
| 214 | if (*file == NULL) { |
| 215 | return ThrowException(String::New("Error loading file")); |
| 216 | } |
| 217 | Handle<String> source = ReadFile(*file); |
| 218 | if (source.IsEmpty()) { |
| 219 | return ThrowException(String::New("Error loading file")); |
| 220 | } |
| 221 | return source; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | Handle<Value> Shell::ReadLine(const Arguments& args) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 226 | static const int kBufferSize = 256; |
| 227 | char buffer[kBufferSize]; |
| 228 | Handle<String> accumulator = String::New(""); |
| 229 | bool linebreak; |
| 230 | int length; |
| 231 | do { // Repeat if the line ends with an escape '\'. |
| 232 | // fgets got an error. Just give up. |
| 233 | if (fgets(buffer, kBufferSize, stdin) == NULL) return Null(); |
| 234 | length = strlen(buffer); |
| 235 | linebreak = (length > 1 && buffer[length-2] == '\\'); |
| 236 | if (linebreak) buffer[length-2] = '\n'; |
| 237 | accumulator = String::Concat(accumulator, String::New(buffer, length-1)); |
| 238 | } while (linebreak); |
| 239 | return accumulator; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | |
| 243 | Handle<Value> Shell::Load(const Arguments& args) { |
| 244 | for (int i = 0; i < args.Length(); i++) { |
| 245 | HandleScope handle_scope; |
| 246 | String::Utf8Value file(args[i]); |
| 247 | if (*file == NULL) { |
| 248 | return ThrowException(String::New("Error loading file")); |
| 249 | } |
| 250 | Handle<String> source = ReadFile(*file); |
| 251 | if (source.IsEmpty()) { |
| 252 | return ThrowException(String::New("Error loading file")); |
| 253 | } |
| 254 | if (!ExecuteString(source, String::New(*file), false, false)) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 255 | return ThrowException(String::New("Error executing file")); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 256 | } |
| 257 | } |
| 258 | return Undefined(); |
| 259 | } |
| 260 | |
| 261 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 262 | Handle<Value> Shell::CreateExternalArray(const Arguments& args, |
| 263 | ExternalArrayType type, |
| 264 | size_t element_size) { |
| 265 | ASSERT(element_size == 1 || element_size == 2 || element_size == 4 || |
| 266 | element_size == 8); |
| 267 | if (args.Length() != 1) { |
| 268 | return ThrowException( |
| 269 | String::New("Array constructor needs one parameter.")); |
| 270 | } |
| 271 | static const int kMaxLength = 0x3fffffff; |
| 272 | #ifndef USING_V8_SHARED |
| 273 | ASSERT(kMaxLength == i::ExternalArray::kMaxLength); |
| 274 | #endif // USING_V8_SHARED |
| 275 | size_t length = 0; |
| 276 | if (args[0]->IsUint32()) { |
| 277 | length = args[0]->Uint32Value(); |
| 278 | } else if (args[0]->IsNumber()) { |
| 279 | double raw_length = args[0]->NumberValue(); |
| 280 | if (raw_length < 0) { |
| 281 | return ThrowException(String::New("Array length must not be negative.")); |
| 282 | } |
| 283 | if (raw_length > kMaxLength) { |
| 284 | return ThrowException( |
| 285 | String::New("Array length exceeds maximum length.")); |
| 286 | } |
| 287 | length = static_cast<size_t>(raw_length); |
| 288 | } else { |
| 289 | return ThrowException(String::New("Array length must be a number.")); |
| 290 | } |
| 291 | if (length > static_cast<size_t>(kMaxLength)) { |
| 292 | return ThrowException(String::New("Array length exceeds maximum length.")); |
| 293 | } |
| 294 | void* data = calloc(length, element_size); |
| 295 | if (data == NULL) { |
| 296 | return ThrowException(String::New("Memory allocation failed.")); |
| 297 | } |
| 298 | Handle<Object> array = Object::New(); |
| 299 | Persistent<Object> persistent_array = Persistent<Object>::New(array); |
| 300 | persistent_array.MakeWeak(data, ExternalArrayWeakCallback); |
| 301 | persistent_array.MarkIndependent(); |
| 302 | array->SetIndexedPropertiesToExternalArrayData(data, type, length); |
| 303 | array->Set(String::New("length"), Int32::New(length), ReadOnly); |
| 304 | array->Set(String::New("BYTES_PER_ELEMENT"), Int32::New(element_size)); |
| 305 | return array; |
| 306 | } |
| 307 | |
| 308 | |
| 309 | void Shell::ExternalArrayWeakCallback(Persistent<Value> object, void* data) { |
| 310 | free(data); |
| 311 | object.Dispose(); |
| 312 | } |
| 313 | |
| 314 | |
| 315 | Handle<Value> Shell::Int8Array(const Arguments& args) { |
| 316 | return CreateExternalArray(args, v8::kExternalByteArray, sizeof(int8_t)); |
| 317 | } |
| 318 | |
| 319 | |
| 320 | Handle<Value> Shell::Uint8Array(const Arguments& args) { |
| 321 | return CreateExternalArray(args, kExternalUnsignedByteArray, sizeof(uint8_t)); |
| 322 | } |
| 323 | |
| 324 | |
| 325 | Handle<Value> Shell::Int16Array(const Arguments& args) { |
| 326 | return CreateExternalArray(args, kExternalShortArray, sizeof(int16_t)); |
| 327 | } |
| 328 | |
| 329 | |
| 330 | Handle<Value> Shell::Uint16Array(const Arguments& args) { |
| 331 | return CreateExternalArray(args, kExternalUnsignedShortArray, |
| 332 | sizeof(uint16_t)); |
| 333 | } |
| 334 | |
| 335 | |
| 336 | Handle<Value> Shell::Int32Array(const Arguments& args) { |
| 337 | return CreateExternalArray(args, kExternalIntArray, sizeof(int32_t)); |
| 338 | } |
| 339 | |
| 340 | |
| 341 | Handle<Value> Shell::Uint32Array(const Arguments& args) { |
| 342 | return CreateExternalArray(args, kExternalUnsignedIntArray, sizeof(uint32_t)); |
| 343 | } |
| 344 | |
| 345 | |
| 346 | Handle<Value> Shell::Float32Array(const Arguments& args) { |
| 347 | return CreateExternalArray(args, kExternalFloatArray, |
| 348 | sizeof(float)); // NOLINT |
| 349 | } |
| 350 | |
| 351 | |
| 352 | Handle<Value> Shell::Float64Array(const Arguments& args) { |
| 353 | return CreateExternalArray(args, kExternalDoubleArray, |
| 354 | sizeof(double)); // NOLINT |
| 355 | } |
| 356 | |
| 357 | |
| 358 | Handle<Value> Shell::PixelArray(const Arguments& args) { |
| 359 | return CreateExternalArray(args, kExternalPixelArray, sizeof(uint8_t)); |
| 360 | } |
| 361 | |
| 362 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 363 | Handle<Value> Shell::Yield(const Arguments& args) { |
| 364 | v8::Unlocker unlocker; |
| 365 | return Undefined(); |
| 366 | } |
| 367 | |
| 368 | |
| 369 | Handle<Value> Shell::Quit(const Arguments& args) { |
| 370 | int exit_code = args[0]->Int32Value(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 371 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 372 | OnExit(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 373 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 374 | exit(exit_code); |
| 375 | return Undefined(); |
| 376 | } |
| 377 | |
| 378 | |
| 379 | Handle<Value> Shell::Version(const Arguments& args) { |
| 380 | return String::New(V8::GetVersion()); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | void Shell::ReportException(v8::TryCatch* try_catch) { |
| 385 | HandleScope handle_scope; |
| 386 | v8::String::Utf8Value exception(try_catch->Exception()); |
| 387 | const char* exception_string = ToCString(exception); |
| 388 | Handle<Message> message = try_catch->Message(); |
| 389 | if (message.IsEmpty()) { |
| 390 | // V8 didn't provide any extra information about this error; just |
| 391 | // print the exception. |
| 392 | printf("%s\n", exception_string); |
| 393 | } else { |
| 394 | // Print (filename):(line number): (message). |
| 395 | v8::String::Utf8Value filename(message->GetScriptResourceName()); |
| 396 | const char* filename_string = ToCString(filename); |
| 397 | int linenum = message->GetLineNumber(); |
| 398 | printf("%s:%i: %s\n", filename_string, linenum, exception_string); |
| 399 | // Print line of source code. |
| 400 | v8::String::Utf8Value sourceline(message->GetSourceLine()); |
| 401 | const char* sourceline_string = ToCString(sourceline); |
| 402 | printf("%s\n", sourceline_string); |
| 403 | // Print wavy underline (GetUnderline is deprecated). |
| 404 | int start = message->GetStartColumn(); |
| 405 | for (int i = 0; i < start; i++) { |
| 406 | printf(" "); |
| 407 | } |
| 408 | int end = message->GetEndColumn(); |
| 409 | for (int i = start; i < end; i++) { |
| 410 | printf("^"); |
| 411 | } |
| 412 | printf("\n"); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 413 | v8::String::Utf8Value stack_trace(try_catch->StackTrace()); |
| 414 | if (stack_trace.length() > 0) { |
| 415 | const char* stack_trace_string = ToCString(stack_trace); |
| 416 | printf("%s\n", stack_trace_string); |
| 417 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
| 421 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 422 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 423 | Handle<Array> Shell::GetCompletions(Handle<String> text, Handle<String> full) { |
| 424 | HandleScope handle_scope; |
| 425 | Context::Scope context_scope(utility_context_); |
| 426 | Handle<Object> global = utility_context_->Global(); |
| 427 | Handle<Value> fun = global->Get(String::New("GetCompletions")); |
| 428 | static const int kArgc = 3; |
| 429 | Handle<Value> argv[kArgc] = { evaluation_context_->Global(), text, full }; |
| 430 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 431 | return handle_scope.Close(Handle<Array>::Cast(val)); |
| 432 | } |
| 433 | |
| 434 | |
| 435 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 436 | Handle<Object> Shell::DebugMessageDetails(Handle<String> message) { |
| 437 | Context::Scope context_scope(utility_context_); |
| 438 | Handle<Object> global = utility_context_->Global(); |
| 439 | Handle<Value> fun = global->Get(String::New("DebugMessageDetails")); |
| 440 | static const int kArgc = 1; |
| 441 | Handle<Value> argv[kArgc] = { message }; |
| 442 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 443 | return Handle<Object>::Cast(val); |
| 444 | } |
| 445 | |
| 446 | |
| 447 | Handle<Value> Shell::DebugCommandToJSONRequest(Handle<String> command) { |
| 448 | Context::Scope context_scope(utility_context_); |
| 449 | Handle<Object> global = utility_context_->Global(); |
| 450 | Handle<Value> fun = global->Get(String::New("DebugCommandToJSONRequest")); |
| 451 | static const int kArgc = 1; |
| 452 | Handle<Value> argv[kArgc] = { command }; |
| 453 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 454 | return val; |
| 455 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 456 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 457 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 458 | |
| 459 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 460 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 461 | int32_t* Counter::Bind(const char* name, bool is_histogram) { |
| 462 | int i; |
| 463 | for (i = 0; i < kMaxNameSize - 1 && name[i]; i++) |
| 464 | name_[i] = static_cast<char>(name[i]); |
| 465 | name_[i] = '\0'; |
| 466 | is_histogram_ = is_histogram; |
| 467 | return ptr(); |
| 468 | } |
| 469 | |
| 470 | |
| 471 | void Counter::AddSample(int32_t sample) { |
| 472 | count_++; |
| 473 | sample_total_ += sample; |
| 474 | } |
| 475 | |
| 476 | |
| 477 | CounterCollection::CounterCollection() { |
| 478 | magic_number_ = 0xDEADFACE; |
| 479 | max_counters_ = kMaxCounters; |
| 480 | max_name_size_ = Counter::kMaxNameSize; |
| 481 | counters_in_use_ = 0; |
| 482 | } |
| 483 | |
| 484 | |
| 485 | Counter* CounterCollection::GetNextCounter() { |
| 486 | if (counters_in_use_ == kMaxCounters) return NULL; |
| 487 | return &counters_[counters_in_use_++]; |
| 488 | } |
| 489 | |
| 490 | |
| 491 | void Shell::MapCounters(const char* name) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 492 | counters_file_ = i::OS::MemoryMappedFile::create( |
| 493 | name, sizeof(CounterCollection), &local_counters_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 494 | void* memory = (counters_file_ == NULL) ? |
| 495 | NULL : counters_file_->memory(); |
| 496 | if (memory == NULL) { |
| 497 | printf("Could not map counters file %s\n", name); |
| 498 | exit(1); |
| 499 | } |
| 500 | counters_ = static_cast<CounterCollection*>(memory); |
| 501 | V8::SetCounterFunction(LookupCounter); |
| 502 | V8::SetCreateHistogramFunction(CreateHistogram); |
| 503 | V8::SetAddHistogramSampleFunction(AddHistogramSample); |
| 504 | } |
| 505 | |
| 506 | |
| 507 | int CounterMap::Hash(const char* name) { |
| 508 | int h = 0; |
| 509 | int c; |
| 510 | while ((c = *name++) != 0) { |
| 511 | h += h << 5; |
| 512 | h += c; |
| 513 | } |
| 514 | return h; |
| 515 | } |
| 516 | |
| 517 | |
| 518 | Counter* Shell::GetCounter(const char* name, bool is_histogram) { |
| 519 | Counter* counter = counter_map_->Lookup(name); |
| 520 | |
| 521 | if (counter == NULL) { |
| 522 | counter = counters_->GetNextCounter(); |
| 523 | if (counter != NULL) { |
| 524 | counter_map_->Set(name, counter); |
| 525 | counter->Bind(name, is_histogram); |
| 526 | } |
| 527 | } else { |
| 528 | ASSERT(counter->is_histogram() == is_histogram); |
| 529 | } |
| 530 | return counter; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | int* Shell::LookupCounter(const char* name) { |
| 535 | Counter* counter = GetCounter(name, false); |
| 536 | |
| 537 | if (counter != NULL) { |
| 538 | return counter->ptr(); |
| 539 | } else { |
| 540 | return NULL; |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | |
| 545 | void* Shell::CreateHistogram(const char* name, |
| 546 | int min, |
| 547 | int max, |
| 548 | size_t buckets) { |
| 549 | return GetCounter(name, true); |
| 550 | } |
| 551 | |
| 552 | |
| 553 | void Shell::AddHistogramSample(void* histogram, int sample) { |
| 554 | Counter* counter = reinterpret_cast<Counter*>(histogram); |
| 555 | counter->AddSample(sample); |
| 556 | } |
| 557 | |
| 558 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 559 | void Shell::InstallUtilityScript() { |
| 560 | Locker lock; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 561 | HandleScope scope; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 562 | // If we use the utility context, we have to set the security tokens so that |
| 563 | // utility, evaluation and debug context can all access each other. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 564 | utility_context_->SetSecurityToken(Undefined()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 565 | evaluation_context_->SetSecurityToken(Undefined()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 566 | Context::Scope utility_scope(utility_context_); |
| 567 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 568 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 569 | // Install the debugger object in the utility scope |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 570 | i::Debug* debug = i::Isolate::Current()->debug(); |
| 571 | debug->Load(); |
| 572 | i::Handle<i::JSObject> js_debug |
| 573 | = i::Handle<i::JSObject>(debug->debug_context()->global()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 574 | utility_context_->Global()->Set(String::New("$debug"), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 575 | Utils::ToLocal(js_debug)); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 576 | debug->debug_context()->set_security_token(HEAP->undefined_value()); |
| 577 | #endif // ENABLE_DEBUGGER_SUPPORT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 578 | |
| 579 | // Run the d8 shell utility script in the utility context |
| 580 | int source_index = i::NativesCollection<i::D8>::GetIndex("d8"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 581 | i::Vector<const char> shell_source = |
| 582 | i::NativesCollection<i::D8>::GetRawScriptSource(source_index); |
| 583 | i::Vector<const char> shell_source_name = |
| 584 | i::NativesCollection<i::D8>::GetScriptName(source_index); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 585 | Handle<String> source = String::New(shell_source.start(), |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 586 | shell_source.length()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 587 | Handle<String> name = String::New(shell_source_name.start(), |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 588 | shell_source_name.length()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 589 | Handle<Script> script = Script::Compile(source, name); |
| 590 | script->Run(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 591 | // Mark the d8 shell script as native to avoid it showing up as normal source |
| 592 | // in the debugger. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 593 | i::Handle<i::Object> compiled_script = Utils::OpenHandle(*script); |
| 594 | i::Handle<i::Script> script_object = compiled_script->IsJSFunction() |
| 595 | ? i::Handle<i::Script>(i::Script::cast( |
| 596 | i::JSFunction::cast(*compiled_script)->shared()->script())) |
| 597 | : i::Handle<i::Script>(i::Script::cast( |
| 598 | i::SharedFunctionInfo::cast(*compiled_script)->script())); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 599 | script_object->set_type(i::Smi::FromInt(i::Script::TYPE_NATIVE)); |
| 600 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 601 | #ifdef ENABLE_DEBUGGER_SUPPORT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 602 | // Start the in-process debugger if requested. |
| 603 | if (i::FLAG_debugger && !i::FLAG_debugger_agent) { |
| 604 | v8::Debug::SetDebugEventListener(HandleDebugEvent); |
| 605 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 606 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 607 | } |
| 608 | #endif // USING_V8_SHARED |
| 609 | |
| 610 | |
| 611 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 612 | class BZip2Decompressor : public v8::StartupDataDecompressor { |
| 613 | public: |
| 614 | virtual ~BZip2Decompressor() { } |
| 615 | |
| 616 | protected: |
| 617 | virtual int DecompressData(char* raw_data, |
| 618 | int* raw_data_size, |
| 619 | const char* compressed_data, |
| 620 | int compressed_data_size) { |
| 621 | ASSERT_EQ(v8::StartupData::kBZip2, |
| 622 | v8::V8::GetCompressedStartupDataAlgorithm()); |
| 623 | unsigned int decompressed_size = *raw_data_size; |
| 624 | int result = |
| 625 | BZ2_bzBuffToBuffDecompress(raw_data, |
| 626 | &decompressed_size, |
| 627 | const_cast<char*>(compressed_data), |
| 628 | compressed_data_size, |
| 629 | 0, 1); |
| 630 | if (result == BZ_OK) { |
| 631 | *raw_data_size = decompressed_size; |
| 632 | } |
| 633 | return result; |
| 634 | } |
| 635 | }; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 636 | #endif |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 637 | |
| 638 | Handle<ObjectTemplate> Shell::CreateGlobalTemplate() { |
| 639 | Handle<ObjectTemplate> global_template = ObjectTemplate::New(); |
| 640 | global_template->Set(String::New("print"), FunctionTemplate::New(Print)); |
| 641 | global_template->Set(String::New("write"), FunctionTemplate::New(Write)); |
| 642 | global_template->Set(String::New("read"), FunctionTemplate::New(Read)); |
| 643 | global_template->Set(String::New("readline"), |
| 644 | FunctionTemplate::New(ReadLine)); |
| 645 | global_template->Set(String::New("load"), FunctionTemplate::New(Load)); |
| 646 | global_template->Set(String::New("quit"), FunctionTemplate::New(Quit)); |
| 647 | global_template->Set(String::New("version"), FunctionTemplate::New(Version)); |
| 648 | |
| 649 | // Bind the handlers for external arrays. |
| 650 | global_template->Set(String::New("Int8Array"), |
| 651 | FunctionTemplate::New(Int8Array)); |
| 652 | global_template->Set(String::New("Uint8Array"), |
| 653 | FunctionTemplate::New(Uint8Array)); |
| 654 | global_template->Set(String::New("Int16Array"), |
| 655 | FunctionTemplate::New(Int16Array)); |
| 656 | global_template->Set(String::New("Uint16Array"), |
| 657 | FunctionTemplate::New(Uint16Array)); |
| 658 | global_template->Set(String::New("Int32Array"), |
| 659 | FunctionTemplate::New(Int32Array)); |
| 660 | global_template->Set(String::New("Uint32Array"), |
| 661 | FunctionTemplate::New(Uint32Array)); |
| 662 | global_template->Set(String::New("Float32Array"), |
| 663 | FunctionTemplate::New(Float32Array)); |
| 664 | global_template->Set(String::New("Float64Array"), |
| 665 | FunctionTemplate::New(Float64Array)); |
| 666 | global_template->Set(String::New("PixelArray"), |
| 667 | FunctionTemplate::New(PixelArray)); |
| 668 | |
| 669 | #ifdef LIVE_OBJECT_LIST |
| 670 | global_template->Set(String::New("lol_is_enabled"), Boolean::New(true)); |
| 671 | #else |
| 672 | global_template->Set(String::New("lol_is_enabled"), Boolean::New(false)); |
| 673 | #endif |
| 674 | |
| 675 | #ifndef USING_V8_SHARED |
| 676 | Handle<ObjectTemplate> os_templ = ObjectTemplate::New(); |
| 677 | AddOSMethods(os_templ); |
| 678 | global_template->Set(String::New("os"), os_templ); |
| 679 | #endif // USING_V8_SHARED |
| 680 | |
| 681 | return global_template; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 685 | void Shell::Initialize() { |
| 686 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 687 | BZip2Decompressor startup_data_decompressor; |
| 688 | int bz2_result = startup_data_decompressor.Decompress(); |
| 689 | if (bz2_result != BZ_OK) { |
| 690 | fprintf(stderr, "bzip error code: %d\n", bz2_result); |
| 691 | exit(1); |
| 692 | } |
| 693 | #endif |
| 694 | |
| 695 | #ifndef USING_V8_SHARED |
| 696 | Shell::counter_map_ = new CounterMap(); |
| 697 | // Set up counters |
| 698 | if (i::StrLength(i::FLAG_map_counters) != 0) |
| 699 | MapCounters(i::FLAG_map_counters); |
| 700 | if (i::FLAG_dump_counters) { |
| 701 | V8::SetCounterFunction(LookupCounter); |
| 702 | V8::SetCreateHistogramFunction(CreateHistogram); |
| 703 | V8::SetAddHistogramSampleFunction(AddHistogramSample); |
| 704 | } |
| 705 | #endif // USING_V8_SHARED |
| 706 | if (options.test_shell) return; |
| 707 | |
| 708 | #ifndef USING_V8_SHARED |
| 709 | Locker lock; |
| 710 | HandleScope scope; |
| 711 | Handle<ObjectTemplate> global_template = CreateGlobalTemplate(); |
| 712 | utility_context_ = Context::New(NULL, global_template); |
| 713 | |
| 714 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 715 | // Start the debugger agent if requested. |
| 716 | if (i::FLAG_debugger_agent) { |
| 717 | v8::Debug::EnableAgent("d8 shell", i::FLAG_debugger_port, true); |
| 718 | } |
| 719 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 720 | #endif // USING_V8_SHARED |
| 721 | } |
| 722 | |
| 723 | |
| 724 | Persistent<Context> Shell::CreateEvaluationContext() { |
| 725 | #ifndef USING_V8_SHARED |
| 726 | // This needs to be a critical section since this is not thread-safe |
| 727 | i::ScopedLock lock(context_mutex_); |
| 728 | #endif // USING_V8_SHARED |
| 729 | // Initialize the global objects |
| 730 | Handle<ObjectTemplate> global_template = CreateGlobalTemplate(); |
| 731 | Persistent<Context> context = Context::New(NULL, global_template); |
| 732 | Context::Scope scope(context); |
| 733 | |
| 734 | #ifndef USING_V8_SHARED |
| 735 | i::JSArguments js_args = i::FLAG_js_arguments; |
| 736 | i::Handle<i::FixedArray> arguments_array = |
| 737 | FACTORY->NewFixedArray(js_args.argc()); |
| 738 | for (int j = 0; j < js_args.argc(); j++) { |
| 739 | i::Handle<i::String> arg = |
| 740 | FACTORY->NewStringFromUtf8(i::CStrVector(js_args[j])); |
| 741 | arguments_array->set(j, *arg); |
| 742 | } |
| 743 | i::Handle<i::JSArray> arguments_jsarray = |
| 744 | FACTORY->NewJSArrayWithElements(arguments_array); |
| 745 | context->Global()->Set(String::New("arguments"), |
| 746 | Utils::ToLocal(arguments_jsarray)); |
| 747 | #endif // USING_V8_SHARED |
| 748 | return context; |
| 749 | } |
| 750 | |
| 751 | |
| 752 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 753 | void Shell::OnExit() { |
| 754 | if (i::FLAG_dump_counters) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 755 | printf("+----------------------------------------+-------------+\n"); |
| 756 | printf("| Name | Value |\n"); |
| 757 | printf("+----------------------------------------+-------------+\n"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 758 | for (CounterMap::Iterator i(counter_map_); i.More(); i.Next()) { |
| 759 | Counter* counter = i.CurrentValue(); |
| 760 | if (counter->is_histogram()) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 761 | printf("| c:%-36s | %11i |\n", i.CurrentKey(), counter->count()); |
| 762 | printf("| t:%-36s | %11i |\n", i.CurrentKey(), counter->sample_total()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 763 | } else { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 764 | printf("| %-38s | %11i |\n", i.CurrentKey(), counter->count()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 765 | } |
| 766 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 767 | printf("+----------------------------------------+-------------+\n"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 768 | } |
| 769 | if (counters_file_ != NULL) |
| 770 | delete counters_file_; |
| 771 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 772 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 773 | |
| 774 | |
| 775 | static char* ReadChars(const char* name, int* size_out) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 776 | // Release the V8 lock while reading files. |
| 777 | v8::Unlocker unlocker(Isolate::GetCurrent()); |
| 778 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 779 | FILE* file = i::OS::FOpen(name, "rb"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 780 | #else |
| 781 | // TODO(yangguo@chromium.org): reading from a directory hangs! |
| 782 | FILE* file = fopen(name, "rb"); |
| 783 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 784 | if (file == NULL) return NULL; |
| 785 | |
| 786 | fseek(file, 0, SEEK_END); |
| 787 | int size = ftell(file); |
| 788 | rewind(file); |
| 789 | |
| 790 | char* chars = new char[size + 1]; |
| 791 | chars[size] = '\0'; |
| 792 | for (int i = 0; i < size;) { |
| 793 | int read = fread(&chars[i], 1, size - i, file); |
| 794 | i += read; |
| 795 | } |
| 796 | fclose(file); |
| 797 | *size_out = size; |
| 798 | return chars; |
| 799 | } |
| 800 | |
| 801 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 802 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 803 | static char* ReadToken(char* data, char token) { |
| 804 | char* next = i::OS::StrChr(data, token); |
| 805 | if (next != NULL) { |
| 806 | *next = '\0'; |
| 807 | return (next + 1); |
| 808 | } |
| 809 | |
| 810 | return NULL; |
| 811 | } |
| 812 | |
| 813 | |
| 814 | static char* ReadLine(char* data) { |
| 815 | return ReadToken(data, '\n'); |
| 816 | } |
| 817 | |
| 818 | |
| 819 | static char* ReadWord(char* data) { |
| 820 | return ReadToken(data, ' '); |
| 821 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 822 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 823 | |
| 824 | |
| 825 | // Reads a file into a v8 string. |
| 826 | Handle<String> Shell::ReadFile(const char* name) { |
| 827 | int size = 0; |
| 828 | char* chars = ReadChars(name, &size); |
| 829 | if (chars == NULL) return Handle<String>(); |
| 830 | Handle<String> result = String::New(chars); |
| 831 | delete[] chars; |
| 832 | return result; |
| 833 | } |
| 834 | |
| 835 | |
| 836 | void Shell::RunShell() { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 837 | Locker locker; |
| 838 | Context::Scope context_scope(evaluation_context_); |
| 839 | HandleScope handle_scope; |
| 840 | Handle<String> name = String::New("(d8)"); |
| 841 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 842 | LineEditor* editor = LineEditor::Get(); |
| 843 | printf("V8 version %s [console: %s]\n", V8::GetVersion(), editor->name()); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 844 | if (i::FLAG_debugger) { |
| 845 | printf("JavaScript debugger enabled\n"); |
| 846 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 847 | editor->Open(); |
| 848 | while (true) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 849 | i::SmartPointer<char> input = editor->Prompt(Shell::kPrompt); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 850 | if (input.is_empty()) break; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 851 | editor->AddHistory(*input); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 852 | ExecuteString(String::New(*input), name, true, true); |
| 853 | } |
| 854 | editor->Close(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 855 | #else |
| 856 | printf("V8 version %s [D8 light using shared library]\n", V8::GetVersion()); |
| 857 | static const int kBufferSize = 256; |
| 858 | while (true) { |
| 859 | char buffer[kBufferSize]; |
| 860 | printf("%s", Shell::kPrompt); |
| 861 | if (fgets(buffer, kBufferSize, stdin) == NULL) break; |
| 862 | ExecuteString(String::New(buffer), name, true, true); |
| 863 | } |
| 864 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 865 | printf("\n"); |
| 866 | } |
| 867 | |
| 868 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 869 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 870 | class ShellThread : public i::Thread { |
| 871 | public: |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 872 | ShellThread(int no, i::Vector<const char> files) |
| 873 | : Thread("d8:ShellThread"), |
| 874 | no_(no), files_(files) { } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 875 | virtual void Run(); |
| 876 | private: |
| 877 | int no_; |
| 878 | i::Vector<const char> files_; |
| 879 | }; |
| 880 | |
| 881 | |
| 882 | void ShellThread::Run() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 883 | char* ptr = const_cast<char*>(files_.start()); |
| 884 | while ((ptr != NULL) && (*ptr != '\0')) { |
| 885 | // For each newline-separated line. |
| 886 | char* next_line = ReadLine(ptr); |
| 887 | |
| 888 | if (*ptr == '#') { |
| 889 | // Skip comment lines. |
| 890 | ptr = next_line; |
| 891 | continue; |
| 892 | } |
| 893 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 894 | // Prepare the context for this thread. |
| 895 | Locker locker; |
| 896 | HandleScope scope; |
| 897 | Persistent<Context> thread_context = Shell::CreateEvaluationContext(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 898 | Context::Scope context_scope(thread_context); |
| 899 | |
| 900 | while ((ptr != NULL) && (*ptr != '\0')) { |
| 901 | char* filename = ptr; |
| 902 | ptr = ReadWord(ptr); |
| 903 | |
| 904 | // Skip empty strings. |
| 905 | if (strlen(filename) == 0) { |
| 906 | break; |
| 907 | } |
| 908 | |
| 909 | Handle<String> str = Shell::ReadFile(filename); |
| 910 | if (str.IsEmpty()) { |
| 911 | printf("WARNING: %s not found\n", filename); |
| 912 | break; |
| 913 | } |
| 914 | |
| 915 | Shell::ExecuteString(str, String::New(filename), false, false); |
| 916 | } |
| 917 | |
| 918 | thread_context.Dispose(); |
| 919 | ptr = next_line; |
| 920 | } |
| 921 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 922 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 923 | |
| 924 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 925 | void SourceGroup::ExitShell(int exit_code) { |
| 926 | // Use _exit instead of exit to avoid races between isolate |
| 927 | // threads and static destructors. |
| 928 | fflush(stdout); |
| 929 | fflush(stderr); |
| 930 | _exit(exit_code); |
| 931 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 932 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 933 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 934 | void SourceGroup::Execute() { |
| 935 | for (int i = begin_offset_; i < end_offset_; ++i) { |
| 936 | const char* arg = argv_[i]; |
| 937 | if (strcmp(arg, "-e") == 0 && i + 1 < end_offset_) { |
| 938 | // Execute argument given to -e option directly. |
| 939 | HandleScope handle_scope; |
| 940 | Handle<String> file_name = String::New("unnamed"); |
| 941 | Handle<String> source = String::New(argv_[i + 1]); |
| 942 | if (!Shell::ExecuteString(source, file_name, false, true)) { |
| 943 | ExitShell(1); |
| 944 | return; |
| 945 | } |
| 946 | ++i; |
| 947 | } else if (arg[0] == '-') { |
| 948 | // Ignore other options. They have been parsed already. |
| 949 | } else { |
| 950 | // Use all other arguments as names of files to load and run. |
| 951 | HandleScope handle_scope; |
| 952 | Handle<String> file_name = String::New(arg); |
| 953 | Handle<String> source = ReadFile(arg); |
| 954 | if (source.IsEmpty()) { |
| 955 | printf("Error reading '%s'\n", arg); |
| 956 | ExitShell(1); |
| 957 | return; |
| 958 | } |
| 959 | if (!Shell::ExecuteString(source, file_name, false, true)) { |
| 960 | ExitShell(1); |
| 961 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 962 | } |
| 963 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 964 | } |
| 965 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 966 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 967 | |
| 968 | Handle<String> SourceGroup::ReadFile(const char* name) { |
| 969 | #ifndef USING_V8_SHARED |
| 970 | FILE* file = i::OS::FOpen(name, "rb"); |
| 971 | #else |
| 972 | // TODO(yangguo@chromium.org): reading from a directory hangs! |
| 973 | FILE* file = fopen(name, "rb"); |
| 974 | #endif // USING_V8_SHARED |
| 975 | if (file == NULL) return Handle<String>(); |
| 976 | |
| 977 | fseek(file, 0, SEEK_END); |
| 978 | int size = ftell(file); |
| 979 | rewind(file); |
| 980 | |
| 981 | char* chars = new char[size + 1]; |
| 982 | chars[size] = '\0'; |
| 983 | for (int i = 0; i < size;) { |
| 984 | int read = fread(&chars[i], 1, size - i, file); |
| 985 | i += read; |
| 986 | } |
| 987 | fclose(file); |
| 988 | Handle<String> result = String::New(chars, size); |
| 989 | delete[] chars; |
| 990 | return result; |
| 991 | } |
| 992 | |
| 993 | |
| 994 | #ifndef USING_V8_SHARED |
| 995 | i::Thread::Options SourceGroup::GetThreadOptions() { |
| 996 | i::Thread::Options options; |
| 997 | options.name = "IsolateThread"; |
| 998 | // On some systems (OSX 10.6) the stack size default is 0.5Mb or less |
| 999 | // which is not enough to parse the big literal expressions used in tests. |
| 1000 | // The stack size should be at least StackGuard::kLimitSize + some |
| 1001 | // OS-specific padding for thread startup code. |
| 1002 | options.stack_size = 2 << 20; // 2 Mb seems to be enough |
| 1003 | return options; |
| 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | void SourceGroup::ExecuteInThread() { |
| 1008 | Isolate* isolate = Isolate::New(); |
| 1009 | do { |
| 1010 | if (next_semaphore_ != NULL) next_semaphore_->Wait(); |
| 1011 | { |
| 1012 | Isolate::Scope iscope(isolate); |
| 1013 | Locker lock(isolate); |
| 1014 | HandleScope scope; |
| 1015 | Persistent<Context> context = Shell::CreateEvaluationContext(); |
| 1016 | { |
| 1017 | Context::Scope cscope(context); |
| 1018 | Execute(); |
| 1019 | } |
| 1020 | context.Dispose(); |
| 1021 | } |
| 1022 | if (done_semaphore_ != NULL) done_semaphore_->Signal(); |
| 1023 | } while (!Shell::options.last_run); |
| 1024 | isolate->Dispose(); |
| 1025 | } |
| 1026 | |
| 1027 | |
| 1028 | void SourceGroup::StartExecuteInThread() { |
| 1029 | if (thread_ == NULL) { |
| 1030 | thread_ = new IsolateThread(this); |
| 1031 | thread_->Start(); |
| 1032 | } |
| 1033 | next_semaphore_->Signal(); |
| 1034 | } |
| 1035 | |
| 1036 | |
| 1037 | void SourceGroup::WaitForThread() { |
| 1038 | if (thread_ == NULL) return; |
| 1039 | if (Shell::options.last_run) { |
| 1040 | thread_->Join(); |
| 1041 | thread_ = NULL; |
| 1042 | } else { |
| 1043 | done_semaphore_->Wait(); |
| 1044 | } |
| 1045 | } |
| 1046 | #endif // USING_V8_SHARED |
| 1047 | |
| 1048 | |
| 1049 | bool Shell::SetOptions(int argc, char* argv[]) { |
| 1050 | for (int i = 0; i < argc; i++) { |
| 1051 | if (strcmp(argv[i], "--stress-opt") == 0) { |
| 1052 | options.stress_opt = true; |
| 1053 | argv[i] = NULL; |
| 1054 | } else if (strcmp(argv[i], "--stress-deopt") == 0) { |
| 1055 | options.stress_deopt = true; |
| 1056 | argv[i] = NULL; |
| 1057 | } else if (strcmp(argv[i], "--noalways-opt") == 0) { |
| 1058 | // No support for stressing if we can't use --always-opt. |
| 1059 | options.stress_opt = false; |
| 1060 | options.stress_deopt = false; |
| 1061 | } else if (strcmp(argv[i], "--shell") == 0) { |
| 1062 | options.interactive_shell = true; |
| 1063 | argv[i] = NULL; |
| 1064 | } else if (strcmp(argv[i], "--test") == 0) { |
| 1065 | options.test_shell = true; |
| 1066 | argv[i] = NULL; |
| 1067 | } else if (strcmp(argv[i], "--preemption") == 0) { |
| 1068 | #ifdef USING_V8_SHARED |
| 1069 | printf("D8 with shared library does not support multi-threading\n"); |
| 1070 | return false; |
| 1071 | #else |
| 1072 | options.use_preemption = true; |
| 1073 | argv[i] = NULL; |
| 1074 | #endif // USING_V8_SHARED |
| 1075 | } else if (strcmp(argv[i], "--no-preemption") == 0) { |
| 1076 | #ifdef USING_V8_SHARED |
| 1077 | printf("D8 with shared library does not support multi-threading\n"); |
| 1078 | return false; |
| 1079 | #else |
| 1080 | options.use_preemption = false; |
| 1081 | argv[i] = NULL; |
| 1082 | #endif // USING_V8_SHARED |
| 1083 | } else if (strcmp(argv[i], "--preemption-interval") == 0) { |
| 1084 | #ifdef USING_V8_SHARED |
| 1085 | printf("D8 with shared library does not support multi-threading\n"); |
| 1086 | return false; |
| 1087 | #else |
| 1088 | if (++i < argc) { |
| 1089 | argv[i-1] = NULL; |
| 1090 | char* end = NULL; |
| 1091 | options.preemption_interval = strtol(argv[i], &end, 10); // NOLINT |
| 1092 | if (options.preemption_interval <= 0 |
| 1093 | || *end != '\0' |
| 1094 | || errno == ERANGE) { |
| 1095 | printf("Invalid value for --preemption-interval '%s'\n", argv[i]); |
| 1096 | return false; |
| 1097 | } |
| 1098 | argv[i] = NULL; |
| 1099 | } else { |
| 1100 | printf("Missing value for --preemption-interval\n"); |
| 1101 | return false; |
| 1102 | } |
| 1103 | #endif // USING_V8_SHARED |
| 1104 | } else if (strcmp(argv[i], "-f") == 0) { |
| 1105 | // Ignore any -f flags for compatibility with other stand-alone |
| 1106 | // JavaScript engines. |
| 1107 | continue; |
| 1108 | } else if (strcmp(argv[i], "--isolate") == 0) { |
| 1109 | #ifdef USING_V8_SHARED |
| 1110 | printf("D8 with shared library does not support multi-threading\n"); |
| 1111 | return false; |
| 1112 | #endif // USING_V8_SHARED |
| 1113 | options.num_isolates++; |
| 1114 | } |
| 1115 | #ifdef USING_V8_SHARED |
| 1116 | else if (strcmp(argv[i], "--dump-counters") == 0) { |
| 1117 | printf("D8 with shared library does not include counters\n"); |
| 1118 | return false; |
| 1119 | } else if (strcmp(argv[i], "-p") == 0) { |
| 1120 | printf("D8 with shared library does not support multi-threading\n"); |
| 1121 | return false; |
| 1122 | } else if (strcmp(argv[i], "--debugger") == 0) { |
| 1123 | printf("Javascript debugger not included\n"); |
| 1124 | return false; |
| 1125 | } |
| 1126 | #endif // USING_V8_SHARED |
| 1127 | } |
| 1128 | |
| 1129 | #ifndef USING_V8_SHARED |
| 1130 | // Run parallel threads if we are not using --isolate |
| 1131 | for (int i = 1; i < argc; i++) { |
| 1132 | if (argv[i] == NULL) continue; |
| 1133 | if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) { |
| 1134 | if (options.num_isolates > 1) { |
| 1135 | printf("-p is not compatible with --isolate\n"); |
| 1136 | return false; |
| 1137 | } |
| 1138 | argv[i] = NULL; |
| 1139 | if (options.parallel_files == NULL) { |
| 1140 | options.parallel_files = new i::List<i::Vector<const char> >(); |
| 1141 | } |
| 1142 | int size = 0; |
| 1143 | const char* files = ReadChars(argv[++i], &size); |
| 1144 | if (files == NULL) { |
| 1145 | printf("-p option incomplete\n"); |
| 1146 | return false; |
| 1147 | } |
| 1148 | argv[i] = NULL; |
| 1149 | options.parallel_files->Add(i::Vector<const char>(files, size)); |
| 1150 | } |
| 1151 | } |
| 1152 | #endif // USING_V8_SHARED |
| 1153 | |
| 1154 | v8::V8::SetFlagsFromCommandLine(&argc, argv, true); |
| 1155 | |
| 1156 | // set up isolated source groups |
| 1157 | options.isolate_sources = new SourceGroup[options.num_isolates]; |
| 1158 | SourceGroup* current = options.isolate_sources; |
| 1159 | current->Begin(argv, 1); |
| 1160 | for (int i = 1; i < argc; i++) { |
| 1161 | const char* str = argv[i]; |
| 1162 | if (strcmp(str, "--isolate") == 0) { |
| 1163 | current->End(i); |
| 1164 | current++; |
| 1165 | current->Begin(argv, i + 1); |
| 1166 | } else if (strncmp(argv[i], "--", 2) == 0) { |
| 1167 | printf("Warning: unknown flag %s.\nTry --help for options\n", argv[i]); |
| 1168 | } |
| 1169 | } |
| 1170 | current->End(argc); |
| 1171 | |
| 1172 | return true; |
| 1173 | } |
| 1174 | |
| 1175 | |
| 1176 | int Shell::RunMain(int argc, char* argv[]) { |
| 1177 | #ifndef USING_V8_SHARED |
| 1178 | i::List<i::Thread*> threads(1); |
| 1179 | if (options.parallel_files != NULL) |
| 1180 | for (int i = 0; i < options.parallel_files->length(); i++) { |
| 1181 | i::Vector<const char> files = options.parallel_files->at(i); |
| 1182 | ShellThread* thread = new ShellThread(threads.length(), files); |
| 1183 | thread->Start(); |
| 1184 | threads.Add(thread); |
| 1185 | } |
| 1186 | |
| 1187 | for (int i = 1; i < options.num_isolates; ++i) { |
| 1188 | options.isolate_sources[i].StartExecuteInThread(); |
| 1189 | } |
| 1190 | #endif // USING_V8_SHARED |
| 1191 | { // NOLINT |
| 1192 | Locker lock; |
| 1193 | HandleScope scope; |
| 1194 | Persistent<Context> context = CreateEvaluationContext(); |
| 1195 | if (options.last_run) { |
| 1196 | // Keep using the same context in the interactive shell. |
| 1197 | evaluation_context_ = context; |
| 1198 | #ifndef V8_SHARED |
| 1199 | // If the interactive debugger is enabled make sure to activate |
| 1200 | // it before running the files passed on the command line. |
| 1201 | if (i::FLAG_debugger) { |
| 1202 | InstallUtilityScript(); |
| 1203 | } |
| 1204 | #endif // V8_SHARED |
| 1205 | } |
| 1206 | { |
| 1207 | Context::Scope cscope(context); |
| 1208 | options.isolate_sources[0].Execute(); |
| 1209 | } |
| 1210 | if (!options.last_run) { |
| 1211 | context.Dispose(); |
| 1212 | } |
| 1213 | |
| 1214 | #ifndef USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1215 | // Start preemption if threads have been created and preemption is enabled. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 1216 | if (options.parallel_files != NULL |
| 1217 | && threads.length() > 0 |
| 1218 | && options.use_preemption) { |
| 1219 | Locker::StartPreemption(options.preemption_interval); |
| 1220 | } |
| 1221 | #endif // USING_V8_SHARED |
| 1222 | } |
| 1223 | |
| 1224 | #ifndef USING_V8_SHARED |
| 1225 | for (int i = 1; i < options.num_isolates; ++i) { |
| 1226 | options.isolate_sources[i].WaitForThread(); |
| 1227 | } |
| 1228 | |
| 1229 | if (options.parallel_files != NULL) |
| 1230 | for (int i = 0; i < threads.length(); i++) { |
| 1231 | i::Thread* thread = threads[i]; |
| 1232 | thread->Join(); |
| 1233 | delete thread; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1234 | } |
| 1235 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1236 | OnExit(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 1237 | #endif // USING_V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1238 | return 0; |
| 1239 | } |
| 1240 | |
| 1241 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 1242 | int Shell::Main(int argc, char* argv[]) { |
| 1243 | if (!SetOptions(argc, argv)) return 1; |
| 1244 | Initialize(); |
| 1245 | |
| 1246 | int result = 0; |
| 1247 | if (options.stress_opt || options.stress_deopt) { |
| 1248 | Testing::SetStressRunType( |
| 1249 | options.stress_opt ? Testing::kStressTypeOpt |
| 1250 | : Testing::kStressTypeDeopt); |
| 1251 | int stress_runs = Testing::GetStressRuns(); |
| 1252 | for (int i = 0; i < stress_runs && result == 0; i++) { |
| 1253 | printf("============ Stress %d/%d ============\n", i + 1, stress_runs); |
| 1254 | Testing::PrepareStressRun(i); |
| 1255 | options.last_run = (i == stress_runs - 1); |
| 1256 | result = RunMain(argc, argv); |
| 1257 | } |
| 1258 | printf("======== Full Deoptimization =======\n"); |
| 1259 | Testing::DeoptimizeAll(); |
| 1260 | } else { |
| 1261 | result = RunMain(argc, argv); |
| 1262 | } |
| 1263 | |
| 1264 | |
| 1265 | #if !defined(USING_V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT) |
| 1266 | // Run remote debugger if requested, but never on --test |
| 1267 | if (i::FLAG_remote_debugger && !options.test_shell) { |
| 1268 | InstallUtilityScript(); |
| 1269 | RunRemoteDebugger(i::FLAG_debugger_port); |
| 1270 | return 0; |
| 1271 | } |
| 1272 | #endif // !USING_V8_SHARED && ENABLE_DEBUGGER_SUPPORT |
| 1273 | |
| 1274 | // Run interactive shell if explicitly requested or if no script has been |
| 1275 | // executed, but never on --test |
| 1276 | |
| 1277 | if (( options.interactive_shell |
| 1278 | || !options.script_executed ) |
| 1279 | && !options.test_shell ) { |
| 1280 | #ifndef USING_V8_SHARED |
| 1281 | if (!i::FLAG_debugger) { |
| 1282 | InstallUtilityScript(); |
| 1283 | } |
| 1284 | #endif // USING_V8_SHARED |
| 1285 | RunShell(); |
| 1286 | } |
| 1287 | |
| 1288 | V8::Dispose(); |
| 1289 | |
| 1290 | return result; |
| 1291 | } |
| 1292 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1293 | } // namespace v8 |
| 1294 | |
| 1295 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1296 | #ifndef GOOGLE3 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1297 | int main(int argc, char* argv[]) { |
| 1298 | return v8::Shell::Main(argc, argv); |
| 1299 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1300 | #endif |