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 | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 29 | #ifdef USING_V8_SHARED // Defined when linking against shared lib on Windows. |
| 30 | #define V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 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> |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 40 | #include <sys/stat.h> |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 41 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 42 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 43 | #include <assert.h> |
| 44 | #include "../include/v8-testing.h" |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 45 | #endif // V8_SHARED |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 46 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 47 | #include "d8.h" |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 48 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 49 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 50 | #include "api.h" |
| 51 | #include "checks.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 52 | #include "d8-debug.h" |
| 53 | #include "debug.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 54 | #include "natives.h" |
| 55 | #include "platform.h" |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 56 | #include "v8.h" |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 57 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 58 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 59 | #if !defined(_WIN32) && !defined(_WIN64) |
| 60 | #include <unistd.h> // NOLINT |
| 61 | #endif |
| 62 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 63 | #ifndef ASSERT |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 64 | #define ASSERT(condition) assert(condition) |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 65 | #endif |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 66 | |
| 67 | namespace v8 { |
| 68 | |
| 69 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 70 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 71 | LineEditor *LineEditor::first_ = NULL; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 72 | const char* Shell::kHistoryFileName = ".d8_history"; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 73 | |
| 74 | |
| 75 | LineEditor::LineEditor(Type type, const char* name) |
| 76 | : type_(type), |
| 77 | name_(name), |
| 78 | next_(first_) { |
| 79 | first_ = this; |
| 80 | } |
| 81 | |
| 82 | |
| 83 | LineEditor* LineEditor::Get() { |
| 84 | LineEditor* current = first_; |
| 85 | LineEditor* best = current; |
| 86 | while (current != NULL) { |
| 87 | if (current->type_ > best->type_) |
| 88 | best = current; |
| 89 | current = current->next_; |
| 90 | } |
| 91 | return best; |
| 92 | } |
| 93 | |
| 94 | |
| 95 | class DumbLineEditor: public LineEditor { |
| 96 | public: |
| 97 | DumbLineEditor() : LineEditor(LineEditor::DUMB, "dumb") { } |
| 98 | virtual i::SmartPointer<char> Prompt(const char* prompt); |
| 99 | }; |
| 100 | |
| 101 | |
| 102 | static DumbLineEditor dumb_line_editor; |
| 103 | |
| 104 | |
| 105 | i::SmartPointer<char> DumbLineEditor::Prompt(const char* prompt) { |
| 106 | static const int kBufferSize = 256; |
| 107 | char buffer[kBufferSize]; |
| 108 | printf("%s", prompt); |
| 109 | char* str = fgets(buffer, kBufferSize, stdin); |
| 110 | return i::SmartPointer<char>(str ? i::StrDup(str) : str); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | CounterMap* Shell::counter_map_; |
| 115 | i::OS::MemoryMappedFile* Shell::counters_file_ = NULL; |
| 116 | CounterCollection Shell::local_counters_; |
| 117 | CounterCollection* Shell::counters_ = &local_counters_; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 118 | i::Mutex* Shell::context_mutex_(i::OS::CreateMutex()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 119 | Persistent<Context> Shell::utility_context_; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 120 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 121 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 122 | Persistent<Context> Shell::evaluation_context_; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 123 | ShellOptions Shell::options; |
| 124 | const char* Shell::kPrompt = "d8> "; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 125 | |
| 126 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 127 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 128 | bool CounterMap::Match(void* key1, void* key2) { |
| 129 | const char* name1 = reinterpret_cast<const char*>(key1); |
| 130 | const char* name2 = reinterpret_cast<const char*>(key2); |
| 131 | return strcmp(name1, name2) == 0; |
| 132 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 133 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 134 | |
| 135 | |
| 136 | // Converts a V8 value to a C string. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 137 | const char* Shell::ToCString(const v8::String::Utf8Value& value) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 138 | return *value ? *value : "<string conversion failed>"; |
| 139 | } |
| 140 | |
| 141 | |
| 142 | // Executes a string within the current v8 context. |
| 143 | bool Shell::ExecuteString(Handle<String> source, |
| 144 | Handle<Value> name, |
| 145 | bool print_result, |
| 146 | bool report_exceptions) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 147 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 148 | bool FLAG_debugger = i::FLAG_debugger; |
| 149 | #else |
| 150 | bool FLAG_debugger = false; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 151 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 152 | HandleScope handle_scope; |
| 153 | TryCatch try_catch; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 154 | options.script_executed = true; |
| 155 | if (FLAG_debugger) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 156 | // When debugging make exceptions appear to be uncaught. |
| 157 | try_catch.SetVerbose(true); |
| 158 | } |
| 159 | Handle<Script> script = Script::Compile(source, name); |
| 160 | if (script.IsEmpty()) { |
| 161 | // Print errors that happened during compilation. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 162 | if (report_exceptions && !FLAG_debugger) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 163 | ReportException(&try_catch); |
| 164 | return false; |
| 165 | } else { |
| 166 | Handle<Value> result = script->Run(); |
| 167 | if (result.IsEmpty()) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 168 | ASSERT(try_catch.HasCaught()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 169 | // Print errors that happened during execution. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 170 | if (report_exceptions && !FLAG_debugger) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 171 | ReportException(&try_catch); |
| 172 | return false; |
| 173 | } else { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 174 | ASSERT(!try_catch.HasCaught()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 175 | if (print_result && !result->IsUndefined()) { |
| 176 | // If all went well and the result wasn't undefined then print |
| 177 | // the returned value. |
| 178 | v8::String::Utf8Value str(result); |
| 179 | const char* cstr = ToCString(str); |
| 180 | printf("%s\n", cstr); |
| 181 | } |
| 182 | return true; |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | |
| 188 | Handle<Value> Shell::Print(const Arguments& args) { |
| 189 | Handle<Value> val = Write(args); |
| 190 | printf("\n"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 191 | fflush(stdout); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 192 | return val; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | Handle<Value> Shell::Write(const Arguments& args) { |
| 197 | for (int i = 0; i < args.Length(); i++) { |
| 198 | HandleScope handle_scope; |
| 199 | if (i != 0) { |
| 200 | printf(" "); |
| 201 | } |
| 202 | v8::String::Utf8Value str(args[i]); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 203 | int n = static_cast<int>(fwrite(*str, sizeof(**str), str.length(), stdout)); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 204 | if (n != str.length()) { |
| 205 | printf("Error in fwrite\n"); |
| 206 | exit(1); |
| 207 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 208 | } |
| 209 | return Undefined(); |
| 210 | } |
| 211 | |
| 212 | |
| 213 | Handle<Value> Shell::Read(const Arguments& args) { |
| 214 | String::Utf8Value file(args[0]); |
| 215 | if (*file == NULL) { |
| 216 | return ThrowException(String::New("Error loading file")); |
| 217 | } |
| 218 | Handle<String> source = ReadFile(*file); |
| 219 | if (source.IsEmpty()) { |
| 220 | return ThrowException(String::New("Error loading file")); |
| 221 | } |
| 222 | return source; |
| 223 | } |
| 224 | |
| 225 | |
| 226 | Handle<Value> Shell::ReadLine(const Arguments& args) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 227 | static const int kBufferSize = 256; |
| 228 | char buffer[kBufferSize]; |
| 229 | Handle<String> accumulator = String::New(""); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 230 | int length; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 231 | while (true) { |
| 232 | // Continue reading if the line ends with an escape '\\' or the line has |
| 233 | // not been fully read into the buffer yet (does not end with '\n'). |
| 234 | // If fgets gets an error, just give up. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 235 | if (fgets(buffer, kBufferSize, stdin) == NULL) return Null(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 236 | length = static_cast<int>(strlen(buffer)); |
| 237 | if (length == 0) { |
| 238 | return accumulator; |
| 239 | } else if (buffer[length-1] != '\n') { |
| 240 | accumulator = String::Concat(accumulator, String::New(buffer, length)); |
| 241 | } else if (length > 1 && buffer[length-2] == '\\') { |
| 242 | buffer[length-2] = '\n'; |
| 243 | accumulator = String::Concat(accumulator, String::New(buffer, length-1)); |
| 244 | } else { |
| 245 | return String::Concat(accumulator, String::New(buffer, length-1)); |
| 246 | } |
| 247 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | |
| 251 | Handle<Value> Shell::Load(const Arguments& args) { |
| 252 | for (int i = 0; i < args.Length(); i++) { |
| 253 | HandleScope handle_scope; |
| 254 | String::Utf8Value file(args[i]); |
| 255 | if (*file == NULL) { |
| 256 | return ThrowException(String::New("Error loading file")); |
| 257 | } |
| 258 | Handle<String> source = ReadFile(*file); |
| 259 | if (source.IsEmpty()) { |
| 260 | return ThrowException(String::New("Error loading file")); |
| 261 | } |
| 262 | if (!ExecuteString(source, String::New(*file), false, false)) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 263 | return ThrowException(String::New("Error executing file")); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 264 | } |
| 265 | } |
| 266 | return Undefined(); |
| 267 | } |
| 268 | |
| 269 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 270 | Handle<Value> Shell::CreateExternalArray(const Arguments& args, |
| 271 | ExternalArrayType type, |
| 272 | size_t element_size) { |
| 273 | ASSERT(element_size == 1 || element_size == 2 || element_size == 4 || |
| 274 | element_size == 8); |
| 275 | if (args.Length() != 1) { |
| 276 | return ThrowException( |
| 277 | String::New("Array constructor needs one parameter.")); |
| 278 | } |
| 279 | static const int kMaxLength = 0x3fffffff; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 280 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 281 | ASSERT(kMaxLength == i::ExternalArray::kMaxLength); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 282 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 283 | size_t length = 0; |
| 284 | if (args[0]->IsUint32()) { |
| 285 | length = args[0]->Uint32Value(); |
| 286 | } else if (args[0]->IsNumber()) { |
| 287 | double raw_length = args[0]->NumberValue(); |
| 288 | if (raw_length < 0) { |
| 289 | return ThrowException(String::New("Array length must not be negative.")); |
| 290 | } |
| 291 | if (raw_length > kMaxLength) { |
| 292 | return ThrowException( |
| 293 | String::New("Array length exceeds maximum length.")); |
| 294 | } |
| 295 | length = static_cast<size_t>(raw_length); |
| 296 | } else { |
| 297 | return ThrowException(String::New("Array length must be a number.")); |
| 298 | } |
| 299 | if (length > static_cast<size_t>(kMaxLength)) { |
| 300 | return ThrowException(String::New("Array length exceeds maximum length.")); |
| 301 | } |
| 302 | void* data = calloc(length, element_size); |
| 303 | if (data == NULL) { |
| 304 | return ThrowException(String::New("Memory allocation failed.")); |
| 305 | } |
| 306 | Handle<Object> array = Object::New(); |
| 307 | Persistent<Object> persistent_array = Persistent<Object>::New(array); |
| 308 | persistent_array.MakeWeak(data, ExternalArrayWeakCallback); |
| 309 | persistent_array.MarkIndependent(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 310 | array->SetIndexedPropertiesToExternalArrayData(data, type, |
| 311 | static_cast<int>(length)); |
| 312 | array->Set(String::New("length"), |
| 313 | Int32::New(static_cast<int32_t>(length)), ReadOnly); |
| 314 | array->Set(String::New("BYTES_PER_ELEMENT"), |
| 315 | Int32::New(static_cast<int32_t>(element_size))); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 316 | return array; |
| 317 | } |
| 318 | |
| 319 | |
| 320 | void Shell::ExternalArrayWeakCallback(Persistent<Value> object, void* data) { |
| 321 | free(data); |
| 322 | object.Dispose(); |
| 323 | } |
| 324 | |
| 325 | |
| 326 | Handle<Value> Shell::Int8Array(const Arguments& args) { |
| 327 | return CreateExternalArray(args, v8::kExternalByteArray, sizeof(int8_t)); |
| 328 | } |
| 329 | |
| 330 | |
| 331 | Handle<Value> Shell::Uint8Array(const Arguments& args) { |
| 332 | return CreateExternalArray(args, kExternalUnsignedByteArray, sizeof(uint8_t)); |
| 333 | } |
| 334 | |
| 335 | |
| 336 | Handle<Value> Shell::Int16Array(const Arguments& args) { |
| 337 | return CreateExternalArray(args, kExternalShortArray, sizeof(int16_t)); |
| 338 | } |
| 339 | |
| 340 | |
| 341 | Handle<Value> Shell::Uint16Array(const Arguments& args) { |
| 342 | return CreateExternalArray(args, kExternalUnsignedShortArray, |
| 343 | sizeof(uint16_t)); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | Handle<Value> Shell::Int32Array(const Arguments& args) { |
| 348 | return CreateExternalArray(args, kExternalIntArray, sizeof(int32_t)); |
| 349 | } |
| 350 | |
| 351 | |
| 352 | Handle<Value> Shell::Uint32Array(const Arguments& args) { |
| 353 | return CreateExternalArray(args, kExternalUnsignedIntArray, sizeof(uint32_t)); |
| 354 | } |
| 355 | |
| 356 | |
| 357 | Handle<Value> Shell::Float32Array(const Arguments& args) { |
| 358 | return CreateExternalArray(args, kExternalFloatArray, |
| 359 | sizeof(float)); // NOLINT |
| 360 | } |
| 361 | |
| 362 | |
| 363 | Handle<Value> Shell::Float64Array(const Arguments& args) { |
| 364 | return CreateExternalArray(args, kExternalDoubleArray, |
| 365 | sizeof(double)); // NOLINT |
| 366 | } |
| 367 | |
| 368 | |
| 369 | Handle<Value> Shell::PixelArray(const Arguments& args) { |
| 370 | return CreateExternalArray(args, kExternalPixelArray, sizeof(uint8_t)); |
| 371 | } |
| 372 | |
| 373 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 374 | Handle<Value> Shell::Yield(const Arguments& args) { |
| 375 | v8::Unlocker unlocker; |
| 376 | return Undefined(); |
| 377 | } |
| 378 | |
| 379 | |
| 380 | Handle<Value> Shell::Quit(const Arguments& args) { |
| 381 | int exit_code = args[0]->Int32Value(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 382 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 383 | OnExit(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 384 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 385 | exit(exit_code); |
| 386 | return Undefined(); |
| 387 | } |
| 388 | |
| 389 | |
| 390 | Handle<Value> Shell::Version(const Arguments& args) { |
| 391 | return String::New(V8::GetVersion()); |
| 392 | } |
| 393 | |
| 394 | |
| 395 | void Shell::ReportException(v8::TryCatch* try_catch) { |
| 396 | HandleScope handle_scope; |
| 397 | v8::String::Utf8Value exception(try_catch->Exception()); |
| 398 | const char* exception_string = ToCString(exception); |
| 399 | Handle<Message> message = try_catch->Message(); |
| 400 | if (message.IsEmpty()) { |
| 401 | // V8 didn't provide any extra information about this error; just |
| 402 | // print the exception. |
| 403 | printf("%s\n", exception_string); |
| 404 | } else { |
| 405 | // Print (filename):(line number): (message). |
| 406 | v8::String::Utf8Value filename(message->GetScriptResourceName()); |
| 407 | const char* filename_string = ToCString(filename); |
| 408 | int linenum = message->GetLineNumber(); |
| 409 | printf("%s:%i: %s\n", filename_string, linenum, exception_string); |
| 410 | // Print line of source code. |
| 411 | v8::String::Utf8Value sourceline(message->GetSourceLine()); |
| 412 | const char* sourceline_string = ToCString(sourceline); |
| 413 | printf("%s\n", sourceline_string); |
| 414 | // Print wavy underline (GetUnderline is deprecated). |
| 415 | int start = message->GetStartColumn(); |
| 416 | for (int i = 0; i < start; i++) { |
| 417 | printf(" "); |
| 418 | } |
| 419 | int end = message->GetEndColumn(); |
| 420 | for (int i = start; i < end; i++) { |
| 421 | printf("^"); |
| 422 | } |
| 423 | printf("\n"); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 424 | v8::String::Utf8Value stack_trace(try_catch->StackTrace()); |
| 425 | if (stack_trace.length() > 0) { |
| 426 | const char* stack_trace_string = ToCString(stack_trace); |
| 427 | printf("%s\n", stack_trace_string); |
| 428 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 429 | } |
| 430 | } |
| 431 | |
| 432 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 433 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 434 | Handle<Array> Shell::GetCompletions(Handle<String> text, Handle<String> full) { |
| 435 | HandleScope handle_scope; |
| 436 | Context::Scope context_scope(utility_context_); |
| 437 | Handle<Object> global = utility_context_->Global(); |
| 438 | Handle<Value> fun = global->Get(String::New("GetCompletions")); |
| 439 | static const int kArgc = 3; |
| 440 | Handle<Value> argv[kArgc] = { evaluation_context_->Global(), text, full }; |
| 441 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 442 | return handle_scope.Close(Handle<Array>::Cast(val)); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 447 | Handle<Object> Shell::DebugMessageDetails(Handle<String> message) { |
| 448 | Context::Scope context_scope(utility_context_); |
| 449 | Handle<Object> global = utility_context_->Global(); |
| 450 | Handle<Value> fun = global->Get(String::New("DebugMessageDetails")); |
| 451 | static const int kArgc = 1; |
| 452 | Handle<Value> argv[kArgc] = { message }; |
| 453 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 454 | return Handle<Object>::Cast(val); |
| 455 | } |
| 456 | |
| 457 | |
| 458 | Handle<Value> Shell::DebugCommandToJSONRequest(Handle<String> command) { |
| 459 | Context::Scope context_scope(utility_context_); |
| 460 | Handle<Object> global = utility_context_->Global(); |
| 461 | Handle<Value> fun = global->Get(String::New("DebugCommandToJSONRequest")); |
| 462 | static const int kArgc = 1; |
| 463 | Handle<Value> argv[kArgc] = { command }; |
| 464 | Handle<Value> val = Handle<Function>::Cast(fun)->Call(global, kArgc, argv); |
| 465 | return val; |
| 466 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 467 | #endif // ENABLE_DEBUGGER_SUPPORT |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 468 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 469 | |
| 470 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 471 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 472 | int32_t* Counter::Bind(const char* name, bool is_histogram) { |
| 473 | int i; |
| 474 | for (i = 0; i < kMaxNameSize - 1 && name[i]; i++) |
| 475 | name_[i] = static_cast<char>(name[i]); |
| 476 | name_[i] = '\0'; |
| 477 | is_histogram_ = is_histogram; |
| 478 | return ptr(); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | void Counter::AddSample(int32_t sample) { |
| 483 | count_++; |
| 484 | sample_total_ += sample; |
| 485 | } |
| 486 | |
| 487 | |
| 488 | CounterCollection::CounterCollection() { |
| 489 | magic_number_ = 0xDEADFACE; |
| 490 | max_counters_ = kMaxCounters; |
| 491 | max_name_size_ = Counter::kMaxNameSize; |
| 492 | counters_in_use_ = 0; |
| 493 | } |
| 494 | |
| 495 | |
| 496 | Counter* CounterCollection::GetNextCounter() { |
| 497 | if (counters_in_use_ == kMaxCounters) return NULL; |
| 498 | return &counters_[counters_in_use_++]; |
| 499 | } |
| 500 | |
| 501 | |
| 502 | void Shell::MapCounters(const char* name) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 503 | counters_file_ = i::OS::MemoryMappedFile::create( |
| 504 | name, sizeof(CounterCollection), &local_counters_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 505 | void* memory = (counters_file_ == NULL) ? |
| 506 | NULL : counters_file_->memory(); |
| 507 | if (memory == NULL) { |
| 508 | printf("Could not map counters file %s\n", name); |
| 509 | exit(1); |
| 510 | } |
| 511 | counters_ = static_cast<CounterCollection*>(memory); |
| 512 | V8::SetCounterFunction(LookupCounter); |
| 513 | V8::SetCreateHistogramFunction(CreateHistogram); |
| 514 | V8::SetAddHistogramSampleFunction(AddHistogramSample); |
| 515 | } |
| 516 | |
| 517 | |
| 518 | int CounterMap::Hash(const char* name) { |
| 519 | int h = 0; |
| 520 | int c; |
| 521 | while ((c = *name++) != 0) { |
| 522 | h += h << 5; |
| 523 | h += c; |
| 524 | } |
| 525 | return h; |
| 526 | } |
| 527 | |
| 528 | |
| 529 | Counter* Shell::GetCounter(const char* name, bool is_histogram) { |
| 530 | Counter* counter = counter_map_->Lookup(name); |
| 531 | |
| 532 | if (counter == NULL) { |
| 533 | counter = counters_->GetNextCounter(); |
| 534 | if (counter != NULL) { |
| 535 | counter_map_->Set(name, counter); |
| 536 | counter->Bind(name, is_histogram); |
| 537 | } |
| 538 | } else { |
| 539 | ASSERT(counter->is_histogram() == is_histogram); |
| 540 | } |
| 541 | return counter; |
| 542 | } |
| 543 | |
| 544 | |
| 545 | int* Shell::LookupCounter(const char* name) { |
| 546 | Counter* counter = GetCounter(name, false); |
| 547 | |
| 548 | if (counter != NULL) { |
| 549 | return counter->ptr(); |
| 550 | } else { |
| 551 | return NULL; |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | |
| 556 | void* Shell::CreateHistogram(const char* name, |
| 557 | int min, |
| 558 | int max, |
| 559 | size_t buckets) { |
| 560 | return GetCounter(name, true); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void Shell::AddHistogramSample(void* histogram, int sample) { |
| 565 | Counter* counter = reinterpret_cast<Counter*>(histogram); |
| 566 | counter->AddSample(sample); |
| 567 | } |
| 568 | |
| 569 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 570 | void Shell::InstallUtilityScript() { |
| 571 | Locker lock; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 572 | HandleScope scope; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 573 | // If we use the utility context, we have to set the security tokens so that |
| 574 | // utility, evaluation and debug context can all access each other. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 575 | utility_context_->SetSecurityToken(Undefined()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 576 | evaluation_context_->SetSecurityToken(Undefined()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 577 | Context::Scope utility_scope(utility_context_); |
| 578 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 579 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 580 | // Install the debugger object in the utility scope |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 581 | i::Debug* debug = i::Isolate::Current()->debug(); |
| 582 | debug->Load(); |
| 583 | i::Handle<i::JSObject> js_debug |
| 584 | = i::Handle<i::JSObject>(debug->debug_context()->global()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 585 | utility_context_->Global()->Set(String::New("$debug"), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 586 | Utils::ToLocal(js_debug)); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 587 | debug->debug_context()->set_security_token(HEAP->undefined_value()); |
| 588 | #endif // ENABLE_DEBUGGER_SUPPORT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 589 | |
| 590 | // Run the d8 shell utility script in the utility context |
| 591 | int source_index = i::NativesCollection<i::D8>::GetIndex("d8"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 592 | i::Vector<const char> shell_source = |
| 593 | i::NativesCollection<i::D8>::GetRawScriptSource(source_index); |
| 594 | i::Vector<const char> shell_source_name = |
| 595 | i::NativesCollection<i::D8>::GetScriptName(source_index); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 596 | Handle<String> source = String::New(shell_source.start(), |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 597 | shell_source.length()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 598 | Handle<String> name = String::New(shell_source_name.start(), |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 599 | shell_source_name.length()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 600 | Handle<Script> script = Script::Compile(source, name); |
| 601 | script->Run(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 602 | // Mark the d8 shell script as native to avoid it showing up as normal source |
| 603 | // in the debugger. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 604 | i::Handle<i::Object> compiled_script = Utils::OpenHandle(*script); |
| 605 | i::Handle<i::Script> script_object = compiled_script->IsJSFunction() |
| 606 | ? i::Handle<i::Script>(i::Script::cast( |
| 607 | i::JSFunction::cast(*compiled_script)->shared()->script())) |
| 608 | : i::Handle<i::Script>(i::Script::cast( |
| 609 | i::SharedFunctionInfo::cast(*compiled_script)->script())); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 610 | script_object->set_type(i::Smi::FromInt(i::Script::TYPE_NATIVE)); |
| 611 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 612 | #ifdef ENABLE_DEBUGGER_SUPPORT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 613 | // Start the in-process debugger if requested. |
| 614 | if (i::FLAG_debugger && !i::FLAG_debugger_agent) { |
| 615 | v8::Debug::SetDebugEventListener(HandleDebugEvent); |
| 616 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 617 | #endif // ENABLE_DEBUGGER_SUPPORT |
| 618 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 619 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 620 | |
| 621 | |
| 622 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 623 | class BZip2Decompressor : public v8::StartupDataDecompressor { |
| 624 | public: |
| 625 | virtual ~BZip2Decompressor() { } |
| 626 | |
| 627 | protected: |
| 628 | virtual int DecompressData(char* raw_data, |
| 629 | int* raw_data_size, |
| 630 | const char* compressed_data, |
| 631 | int compressed_data_size) { |
| 632 | ASSERT_EQ(v8::StartupData::kBZip2, |
| 633 | v8::V8::GetCompressedStartupDataAlgorithm()); |
| 634 | unsigned int decompressed_size = *raw_data_size; |
| 635 | int result = |
| 636 | BZ2_bzBuffToBuffDecompress(raw_data, |
| 637 | &decompressed_size, |
| 638 | const_cast<char*>(compressed_data), |
| 639 | compressed_data_size, |
| 640 | 0, 1); |
| 641 | if (result == BZ_OK) { |
| 642 | *raw_data_size = decompressed_size; |
| 643 | } |
| 644 | return result; |
| 645 | } |
| 646 | }; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 647 | #endif |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 648 | |
| 649 | Handle<ObjectTemplate> Shell::CreateGlobalTemplate() { |
| 650 | Handle<ObjectTemplate> global_template = ObjectTemplate::New(); |
| 651 | global_template->Set(String::New("print"), FunctionTemplate::New(Print)); |
| 652 | global_template->Set(String::New("write"), FunctionTemplate::New(Write)); |
| 653 | global_template->Set(String::New("read"), FunctionTemplate::New(Read)); |
| 654 | global_template->Set(String::New("readline"), |
| 655 | FunctionTemplate::New(ReadLine)); |
| 656 | global_template->Set(String::New("load"), FunctionTemplate::New(Load)); |
| 657 | global_template->Set(String::New("quit"), FunctionTemplate::New(Quit)); |
| 658 | global_template->Set(String::New("version"), FunctionTemplate::New(Version)); |
| 659 | |
| 660 | // Bind the handlers for external arrays. |
| 661 | global_template->Set(String::New("Int8Array"), |
| 662 | FunctionTemplate::New(Int8Array)); |
| 663 | global_template->Set(String::New("Uint8Array"), |
| 664 | FunctionTemplate::New(Uint8Array)); |
| 665 | global_template->Set(String::New("Int16Array"), |
| 666 | FunctionTemplate::New(Int16Array)); |
| 667 | global_template->Set(String::New("Uint16Array"), |
| 668 | FunctionTemplate::New(Uint16Array)); |
| 669 | global_template->Set(String::New("Int32Array"), |
| 670 | FunctionTemplate::New(Int32Array)); |
| 671 | global_template->Set(String::New("Uint32Array"), |
| 672 | FunctionTemplate::New(Uint32Array)); |
| 673 | global_template->Set(String::New("Float32Array"), |
| 674 | FunctionTemplate::New(Float32Array)); |
| 675 | global_template->Set(String::New("Float64Array"), |
| 676 | FunctionTemplate::New(Float64Array)); |
| 677 | global_template->Set(String::New("PixelArray"), |
| 678 | FunctionTemplate::New(PixelArray)); |
| 679 | |
| 680 | #ifdef LIVE_OBJECT_LIST |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 681 | global_template->Set(String::New("lol_is_enabled"), True()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 682 | #else |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 683 | global_template->Set(String::New("lol_is_enabled"), False()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 684 | #endif |
| 685 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 686 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 687 | Handle<ObjectTemplate> os_templ = ObjectTemplate::New(); |
| 688 | AddOSMethods(os_templ); |
| 689 | global_template->Set(String::New("os"), os_templ); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 690 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 691 | |
| 692 | return global_template; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 693 | } |
| 694 | |
| 695 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 696 | void Shell::Initialize() { |
| 697 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 698 | BZip2Decompressor startup_data_decompressor; |
| 699 | int bz2_result = startup_data_decompressor.Decompress(); |
| 700 | if (bz2_result != BZ_OK) { |
| 701 | fprintf(stderr, "bzip error code: %d\n", bz2_result); |
| 702 | exit(1); |
| 703 | } |
| 704 | #endif |
| 705 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 706 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 707 | Shell::counter_map_ = new CounterMap(); |
| 708 | // Set up counters |
| 709 | if (i::StrLength(i::FLAG_map_counters) != 0) |
| 710 | MapCounters(i::FLAG_map_counters); |
| 711 | if (i::FLAG_dump_counters) { |
| 712 | V8::SetCounterFunction(LookupCounter); |
| 713 | V8::SetCreateHistogramFunction(CreateHistogram); |
| 714 | V8::SetAddHistogramSampleFunction(AddHistogramSample); |
| 715 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 716 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 717 | if (options.test_shell) return; |
| 718 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 719 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 720 | Locker lock; |
| 721 | HandleScope scope; |
| 722 | Handle<ObjectTemplate> global_template = CreateGlobalTemplate(); |
| 723 | utility_context_ = Context::New(NULL, global_template); |
| 724 | |
| 725 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 726 | // Start the debugger agent if requested. |
| 727 | if (i::FLAG_debugger_agent) { |
| 728 | v8::Debug::EnableAgent("d8 shell", i::FLAG_debugger_port, true); |
| 729 | } |
| 730 | #endif // ENABLE_DEBUGGER_SUPPORT |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 731 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | |
| 735 | Persistent<Context> Shell::CreateEvaluationContext() { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 736 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 737 | // This needs to be a critical section since this is not thread-safe |
| 738 | i::ScopedLock lock(context_mutex_); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 739 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 740 | // Initialize the global objects |
| 741 | Handle<ObjectTemplate> global_template = CreateGlobalTemplate(); |
| 742 | Persistent<Context> context = Context::New(NULL, global_template); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 743 | ASSERT(!context.IsEmpty()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 744 | Context::Scope scope(context); |
| 745 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 746 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 747 | i::JSArguments js_args = i::FLAG_js_arguments; |
| 748 | i::Handle<i::FixedArray> arguments_array = |
| 749 | FACTORY->NewFixedArray(js_args.argc()); |
| 750 | for (int j = 0; j < js_args.argc(); j++) { |
| 751 | i::Handle<i::String> arg = |
| 752 | FACTORY->NewStringFromUtf8(i::CStrVector(js_args[j])); |
| 753 | arguments_array->set(j, *arg); |
| 754 | } |
| 755 | i::Handle<i::JSArray> arguments_jsarray = |
| 756 | FACTORY->NewJSArrayWithElements(arguments_array); |
| 757 | context->Global()->Set(String::New("arguments"), |
| 758 | Utils::ToLocal(arguments_jsarray)); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 759 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 760 | return context; |
| 761 | } |
| 762 | |
| 763 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 764 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 765 | void Shell::OnExit() { |
| 766 | if (i::FLAG_dump_counters) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 767 | printf("+----------------------------------------+-------------+\n"); |
| 768 | printf("| Name | Value |\n"); |
| 769 | printf("+----------------------------------------+-------------+\n"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 770 | for (CounterMap::Iterator i(counter_map_); i.More(); i.Next()) { |
| 771 | Counter* counter = i.CurrentValue(); |
| 772 | if (counter->is_histogram()) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 773 | printf("| c:%-36s | %11i |\n", i.CurrentKey(), counter->count()); |
| 774 | printf("| t:%-36s | %11i |\n", i.CurrentKey(), counter->sample_total()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 775 | } else { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 776 | printf("| %-38s | %11i |\n", i.CurrentKey(), counter->count()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 777 | } |
| 778 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 779 | printf("+----------------------------------------+-------------+\n"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 780 | } |
| 781 | if (counters_file_ != NULL) |
| 782 | delete counters_file_; |
| 783 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 784 | #endif // V8_SHARED |
| 785 | |
| 786 | |
| 787 | static FILE* FOpen(const char* path, const char* mode) { |
| 788 | #if (defined(_WIN32) || defined(_WIN64)) |
| 789 | FILE* result; |
| 790 | if (fopen_s(&result, path, mode) == 0) { |
| 791 | return result; |
| 792 | } else { |
| 793 | return NULL; |
| 794 | } |
| 795 | #else |
| 796 | FILE* file = fopen(path, mode); |
| 797 | if (file == NULL) return NULL; |
| 798 | struct stat file_stat; |
| 799 | if (fstat(fileno(file), &file_stat) != 0) return NULL; |
| 800 | bool is_regular_file = ((file_stat.st_mode & S_IFREG) != 0); |
| 801 | if (is_regular_file) return file; |
| 802 | fclose(file); |
| 803 | return NULL; |
| 804 | #endif |
| 805 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 806 | |
| 807 | |
| 808 | static char* ReadChars(const char* name, int* size_out) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 809 | // Release the V8 lock while reading files. |
| 810 | v8::Unlocker unlocker(Isolate::GetCurrent()); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 811 | FILE* file = FOpen(name, "rb"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 812 | if (file == NULL) return NULL; |
| 813 | |
| 814 | fseek(file, 0, SEEK_END); |
| 815 | int size = ftell(file); |
| 816 | rewind(file); |
| 817 | |
| 818 | char* chars = new char[size + 1]; |
| 819 | chars[size] = '\0'; |
| 820 | for (int i = 0; i < size;) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 821 | int read = static_cast<int>(fread(&chars[i], 1, size - i, file)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 822 | i += read; |
| 823 | } |
| 824 | fclose(file); |
| 825 | *size_out = size; |
| 826 | return chars; |
| 827 | } |
| 828 | |
| 829 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 830 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 831 | static char* ReadToken(char* data, char token) { |
| 832 | char* next = i::OS::StrChr(data, token); |
| 833 | if (next != NULL) { |
| 834 | *next = '\0'; |
| 835 | return (next + 1); |
| 836 | } |
| 837 | |
| 838 | return NULL; |
| 839 | } |
| 840 | |
| 841 | |
| 842 | static char* ReadLine(char* data) { |
| 843 | return ReadToken(data, '\n'); |
| 844 | } |
| 845 | |
| 846 | |
| 847 | static char* ReadWord(char* data) { |
| 848 | return ReadToken(data, ' '); |
| 849 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 850 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 851 | |
| 852 | |
| 853 | // Reads a file into a v8 string. |
| 854 | Handle<String> Shell::ReadFile(const char* name) { |
| 855 | int size = 0; |
| 856 | char* chars = ReadChars(name, &size); |
| 857 | if (chars == NULL) return Handle<String>(); |
| 858 | Handle<String> result = String::New(chars); |
| 859 | delete[] chars; |
| 860 | return result; |
| 861 | } |
| 862 | |
| 863 | |
| 864 | void Shell::RunShell() { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 865 | Locker locker; |
| 866 | Context::Scope context_scope(evaluation_context_); |
| 867 | HandleScope handle_scope; |
| 868 | Handle<String> name = String::New("(d8)"); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 869 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 870 | LineEditor* editor = LineEditor::Get(); |
| 871 | printf("V8 version %s [console: %s]\n", V8::GetVersion(), editor->name()); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 872 | if (i::FLAG_debugger) { |
| 873 | printf("JavaScript debugger enabled\n"); |
| 874 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 875 | editor->Open(); |
| 876 | while (true) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 877 | i::SmartPointer<char> input = editor->Prompt(Shell::kPrompt); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 878 | if (input.is_empty()) break; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 879 | editor->AddHistory(*input); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 880 | ExecuteString(String::New(*input), name, true, true); |
| 881 | } |
| 882 | editor->Close(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 883 | #else |
| 884 | printf("V8 version %s [D8 light using shared library]\n", V8::GetVersion()); |
| 885 | static const int kBufferSize = 256; |
| 886 | while (true) { |
| 887 | char buffer[kBufferSize]; |
| 888 | printf("%s", Shell::kPrompt); |
| 889 | if (fgets(buffer, kBufferSize, stdin) == NULL) break; |
| 890 | ExecuteString(String::New(buffer), name, true, true); |
| 891 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 892 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 893 | printf("\n"); |
| 894 | } |
| 895 | |
| 896 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 897 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 898 | class ShellThread : public i::Thread { |
| 899 | public: |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 900 | ShellThread(int no, i::Vector<const char> files) |
| 901 | : Thread("d8:ShellThread"), |
| 902 | no_(no), files_(files) { } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 903 | virtual void Run(); |
| 904 | private: |
| 905 | int no_; |
| 906 | i::Vector<const char> files_; |
| 907 | }; |
| 908 | |
| 909 | |
| 910 | void ShellThread::Run() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 911 | char* ptr = const_cast<char*>(files_.start()); |
| 912 | while ((ptr != NULL) && (*ptr != '\0')) { |
| 913 | // For each newline-separated line. |
| 914 | char* next_line = ReadLine(ptr); |
| 915 | |
| 916 | if (*ptr == '#') { |
| 917 | // Skip comment lines. |
| 918 | ptr = next_line; |
| 919 | continue; |
| 920 | } |
| 921 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 922 | // Prepare the context for this thread. |
| 923 | Locker locker; |
| 924 | HandleScope scope; |
| 925 | Persistent<Context> thread_context = Shell::CreateEvaluationContext(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 926 | Context::Scope context_scope(thread_context); |
| 927 | |
| 928 | while ((ptr != NULL) && (*ptr != '\0')) { |
| 929 | char* filename = ptr; |
| 930 | ptr = ReadWord(ptr); |
| 931 | |
| 932 | // Skip empty strings. |
| 933 | if (strlen(filename) == 0) { |
| 934 | break; |
| 935 | } |
| 936 | |
| 937 | Handle<String> str = Shell::ReadFile(filename); |
| 938 | if (str.IsEmpty()) { |
| 939 | printf("WARNING: %s not found\n", filename); |
| 940 | break; |
| 941 | } |
| 942 | |
| 943 | Shell::ExecuteString(str, String::New(filename), false, false); |
| 944 | } |
| 945 | |
| 946 | thread_context.Dispose(); |
| 947 | ptr = next_line; |
| 948 | } |
| 949 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 950 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 951 | |
| 952 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 953 | void SourceGroup::ExitShell(int exit_code) { |
| 954 | // Use _exit instead of exit to avoid races between isolate |
| 955 | // threads and static destructors. |
| 956 | fflush(stdout); |
| 957 | fflush(stderr); |
| 958 | _exit(exit_code); |
| 959 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 960 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 961 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 962 | void SourceGroup::Execute() { |
| 963 | for (int i = begin_offset_; i < end_offset_; ++i) { |
| 964 | const char* arg = argv_[i]; |
| 965 | if (strcmp(arg, "-e") == 0 && i + 1 < end_offset_) { |
| 966 | // Execute argument given to -e option directly. |
| 967 | HandleScope handle_scope; |
| 968 | Handle<String> file_name = String::New("unnamed"); |
| 969 | Handle<String> source = String::New(argv_[i + 1]); |
| 970 | if (!Shell::ExecuteString(source, file_name, false, true)) { |
| 971 | ExitShell(1); |
| 972 | return; |
| 973 | } |
| 974 | ++i; |
| 975 | } else if (arg[0] == '-') { |
| 976 | // Ignore other options. They have been parsed already. |
| 977 | } else { |
| 978 | // Use all other arguments as names of files to load and run. |
| 979 | HandleScope handle_scope; |
| 980 | Handle<String> file_name = String::New(arg); |
| 981 | Handle<String> source = ReadFile(arg); |
| 982 | if (source.IsEmpty()) { |
| 983 | printf("Error reading '%s'\n", arg); |
| 984 | ExitShell(1); |
| 985 | return; |
| 986 | } |
| 987 | if (!Shell::ExecuteString(source, file_name, false, true)) { |
| 988 | ExitShell(1); |
| 989 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 990 | } |
| 991 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 992 | } |
| 993 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 994 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 995 | |
| 996 | Handle<String> SourceGroup::ReadFile(const char* name) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 997 | int size; |
| 998 | const char* chars = ReadChars(name, &size); |
| 999 | if (chars == NULL) return Handle<String>(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1000 | Handle<String> result = String::New(chars, size); |
| 1001 | delete[] chars; |
| 1002 | return result; |
| 1003 | } |
| 1004 | |
| 1005 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1006 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1007 | i::Thread::Options SourceGroup::GetThreadOptions() { |
| 1008 | i::Thread::Options options; |
| 1009 | options.name = "IsolateThread"; |
| 1010 | // On some systems (OSX 10.6) the stack size default is 0.5Mb or less |
| 1011 | // which is not enough to parse the big literal expressions used in tests. |
| 1012 | // The stack size should be at least StackGuard::kLimitSize + some |
| 1013 | // OS-specific padding for thread startup code. |
| 1014 | options.stack_size = 2 << 20; // 2 Mb seems to be enough |
| 1015 | return options; |
| 1016 | } |
| 1017 | |
| 1018 | |
| 1019 | void SourceGroup::ExecuteInThread() { |
| 1020 | Isolate* isolate = Isolate::New(); |
| 1021 | do { |
| 1022 | if (next_semaphore_ != NULL) next_semaphore_->Wait(); |
| 1023 | { |
| 1024 | Isolate::Scope iscope(isolate); |
| 1025 | Locker lock(isolate); |
| 1026 | HandleScope scope; |
| 1027 | Persistent<Context> context = Shell::CreateEvaluationContext(); |
| 1028 | { |
| 1029 | Context::Scope cscope(context); |
| 1030 | Execute(); |
| 1031 | } |
| 1032 | context.Dispose(); |
| 1033 | } |
| 1034 | if (done_semaphore_ != NULL) done_semaphore_->Signal(); |
| 1035 | } while (!Shell::options.last_run); |
| 1036 | isolate->Dispose(); |
| 1037 | } |
| 1038 | |
| 1039 | |
| 1040 | void SourceGroup::StartExecuteInThread() { |
| 1041 | if (thread_ == NULL) { |
| 1042 | thread_ = new IsolateThread(this); |
| 1043 | thread_->Start(); |
| 1044 | } |
| 1045 | next_semaphore_->Signal(); |
| 1046 | } |
| 1047 | |
| 1048 | |
| 1049 | void SourceGroup::WaitForThread() { |
| 1050 | if (thread_ == NULL) return; |
| 1051 | if (Shell::options.last_run) { |
| 1052 | thread_->Join(); |
| 1053 | thread_ = NULL; |
| 1054 | } else { |
| 1055 | done_semaphore_->Wait(); |
| 1056 | } |
| 1057 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1058 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1059 | |
| 1060 | |
| 1061 | bool Shell::SetOptions(int argc, char* argv[]) { |
| 1062 | for (int i = 0; i < argc; i++) { |
| 1063 | if (strcmp(argv[i], "--stress-opt") == 0) { |
| 1064 | options.stress_opt = true; |
| 1065 | argv[i] = NULL; |
| 1066 | } else if (strcmp(argv[i], "--stress-deopt") == 0) { |
| 1067 | options.stress_deopt = true; |
| 1068 | argv[i] = NULL; |
| 1069 | } else if (strcmp(argv[i], "--noalways-opt") == 0) { |
| 1070 | // No support for stressing if we can't use --always-opt. |
| 1071 | options.stress_opt = false; |
| 1072 | options.stress_deopt = false; |
| 1073 | } else if (strcmp(argv[i], "--shell") == 0) { |
| 1074 | options.interactive_shell = true; |
| 1075 | argv[i] = NULL; |
| 1076 | } else if (strcmp(argv[i], "--test") == 0) { |
| 1077 | options.test_shell = true; |
| 1078 | argv[i] = NULL; |
| 1079 | } else if (strcmp(argv[i], "--preemption") == 0) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1080 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1081 | printf("D8 with shared library does not support multi-threading\n"); |
| 1082 | return false; |
| 1083 | #else |
| 1084 | options.use_preemption = true; |
| 1085 | argv[i] = NULL; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1086 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1087 | } else if (strcmp(argv[i], "--no-preemption") == 0) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1088 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1089 | printf("D8 with shared library does not support multi-threading\n"); |
| 1090 | return false; |
| 1091 | #else |
| 1092 | options.use_preemption = false; |
| 1093 | argv[i] = NULL; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1094 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1095 | } else if (strcmp(argv[i], "--preemption-interval") == 0) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1096 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1097 | printf("D8 with shared library does not support multi-threading\n"); |
| 1098 | return false; |
| 1099 | #else |
| 1100 | if (++i < argc) { |
| 1101 | argv[i-1] = NULL; |
| 1102 | char* end = NULL; |
| 1103 | options.preemption_interval = strtol(argv[i], &end, 10); // NOLINT |
| 1104 | if (options.preemption_interval <= 0 |
| 1105 | || *end != '\0' |
| 1106 | || errno == ERANGE) { |
| 1107 | printf("Invalid value for --preemption-interval '%s'\n", argv[i]); |
| 1108 | return false; |
| 1109 | } |
| 1110 | argv[i] = NULL; |
| 1111 | } else { |
| 1112 | printf("Missing value for --preemption-interval\n"); |
| 1113 | return false; |
| 1114 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1115 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1116 | } else if (strcmp(argv[i], "-f") == 0) { |
| 1117 | // Ignore any -f flags for compatibility with other stand-alone |
| 1118 | // JavaScript engines. |
| 1119 | continue; |
| 1120 | } else if (strcmp(argv[i], "--isolate") == 0) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1121 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1122 | printf("D8 with shared library does not support multi-threading\n"); |
| 1123 | return false; |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1124 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1125 | options.num_isolates++; |
| 1126 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1127 | #ifdef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1128 | else if (strcmp(argv[i], "--dump-counters") == 0) { |
| 1129 | printf("D8 with shared library does not include counters\n"); |
| 1130 | return false; |
| 1131 | } else if (strcmp(argv[i], "-p") == 0) { |
| 1132 | printf("D8 with shared library does not support multi-threading\n"); |
| 1133 | return false; |
| 1134 | } else if (strcmp(argv[i], "--debugger") == 0) { |
| 1135 | printf("Javascript debugger not included\n"); |
| 1136 | return false; |
| 1137 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1138 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1139 | } |
| 1140 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1141 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1142 | // Run parallel threads if we are not using --isolate |
| 1143 | for (int i = 1; i < argc; i++) { |
| 1144 | if (argv[i] == NULL) continue; |
| 1145 | if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) { |
| 1146 | if (options.num_isolates > 1) { |
| 1147 | printf("-p is not compatible with --isolate\n"); |
| 1148 | return false; |
| 1149 | } |
| 1150 | argv[i] = NULL; |
| 1151 | if (options.parallel_files == NULL) { |
| 1152 | options.parallel_files = new i::List<i::Vector<const char> >(); |
| 1153 | } |
| 1154 | int size = 0; |
| 1155 | const char* files = ReadChars(argv[++i], &size); |
| 1156 | if (files == NULL) { |
| 1157 | printf("-p option incomplete\n"); |
| 1158 | return false; |
| 1159 | } |
| 1160 | argv[i] = NULL; |
| 1161 | options.parallel_files->Add(i::Vector<const char>(files, size)); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1162 | delete[] files; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1163 | } |
| 1164 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1165 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1166 | |
| 1167 | v8::V8::SetFlagsFromCommandLine(&argc, argv, true); |
| 1168 | |
| 1169 | // set up isolated source groups |
| 1170 | options.isolate_sources = new SourceGroup[options.num_isolates]; |
| 1171 | SourceGroup* current = options.isolate_sources; |
| 1172 | current->Begin(argv, 1); |
| 1173 | for (int i = 1; i < argc; i++) { |
| 1174 | const char* str = argv[i]; |
| 1175 | if (strcmp(str, "--isolate") == 0) { |
| 1176 | current->End(i); |
| 1177 | current++; |
| 1178 | current->Begin(argv, i + 1); |
| 1179 | } else if (strncmp(argv[i], "--", 2) == 0) { |
| 1180 | printf("Warning: unknown flag %s.\nTry --help for options\n", argv[i]); |
| 1181 | } |
| 1182 | } |
| 1183 | current->End(argc); |
| 1184 | |
| 1185 | return true; |
| 1186 | } |
| 1187 | |
| 1188 | |
| 1189 | int Shell::RunMain(int argc, char* argv[]) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1190 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1191 | i::List<i::Thread*> threads(1); |
| 1192 | if (options.parallel_files != NULL) |
| 1193 | for (int i = 0; i < options.parallel_files->length(); i++) { |
| 1194 | i::Vector<const char> files = options.parallel_files->at(i); |
| 1195 | ShellThread* thread = new ShellThread(threads.length(), files); |
| 1196 | thread->Start(); |
| 1197 | threads.Add(thread); |
| 1198 | } |
| 1199 | |
| 1200 | for (int i = 1; i < options.num_isolates; ++i) { |
| 1201 | options.isolate_sources[i].StartExecuteInThread(); |
| 1202 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1203 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1204 | { // NOLINT |
| 1205 | Locker lock; |
| 1206 | HandleScope scope; |
| 1207 | Persistent<Context> context = CreateEvaluationContext(); |
| 1208 | if (options.last_run) { |
| 1209 | // Keep using the same context in the interactive shell. |
| 1210 | evaluation_context_ = context; |
| 1211 | #ifndef V8_SHARED |
| 1212 | // If the interactive debugger is enabled make sure to activate |
| 1213 | // it before running the files passed on the command line. |
| 1214 | if (i::FLAG_debugger) { |
| 1215 | InstallUtilityScript(); |
| 1216 | } |
| 1217 | #endif // V8_SHARED |
| 1218 | } |
| 1219 | { |
| 1220 | Context::Scope cscope(context); |
| 1221 | options.isolate_sources[0].Execute(); |
| 1222 | } |
| 1223 | if (!options.last_run) { |
| 1224 | context.Dispose(); |
| 1225 | } |
| 1226 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1227 | #ifndef V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1228 | // Start preemption if threads have been created and preemption is enabled. |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1229 | if (options.parallel_files != NULL |
| 1230 | && threads.length() > 0 |
| 1231 | && options.use_preemption) { |
| 1232 | Locker::StartPreemption(options.preemption_interval); |
| 1233 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1234 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1235 | } |
| 1236 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1237 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1238 | for (int i = 1; i < options.num_isolates; ++i) { |
| 1239 | options.isolate_sources[i].WaitForThread(); |
| 1240 | } |
| 1241 | |
| 1242 | if (options.parallel_files != NULL) |
| 1243 | for (int i = 0; i < threads.length(); i++) { |
| 1244 | i::Thread* thread = threads[i]; |
| 1245 | thread->Join(); |
| 1246 | delete thread; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1247 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1248 | #endif // V8_SHARED |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1249 | return 0; |
| 1250 | } |
| 1251 | |
| 1252 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1253 | int Shell::Main(int argc, char* argv[]) { |
| 1254 | if (!SetOptions(argc, argv)) return 1; |
| 1255 | Initialize(); |
| 1256 | |
| 1257 | int result = 0; |
| 1258 | if (options.stress_opt || options.stress_deopt) { |
| 1259 | Testing::SetStressRunType( |
| 1260 | options.stress_opt ? Testing::kStressTypeOpt |
| 1261 | : Testing::kStressTypeDeopt); |
| 1262 | int stress_runs = Testing::GetStressRuns(); |
| 1263 | for (int i = 0; i < stress_runs && result == 0; i++) { |
| 1264 | printf("============ Stress %d/%d ============\n", i + 1, stress_runs); |
| 1265 | Testing::PrepareStressRun(i); |
| 1266 | options.last_run = (i == stress_runs - 1); |
| 1267 | result = RunMain(argc, argv); |
| 1268 | } |
| 1269 | printf("======== Full Deoptimization =======\n"); |
| 1270 | Testing::DeoptimizeAll(); |
| 1271 | } else { |
| 1272 | result = RunMain(argc, argv); |
| 1273 | } |
| 1274 | |
| 1275 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1276 | #if !defined(V8_SHARED) && defined(ENABLE_DEBUGGER_SUPPORT) |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1277 | // Run remote debugger if requested, but never on --test |
| 1278 | if (i::FLAG_remote_debugger && !options.test_shell) { |
| 1279 | InstallUtilityScript(); |
| 1280 | RunRemoteDebugger(i::FLAG_debugger_port); |
| 1281 | return 0; |
| 1282 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1283 | #endif // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1284 | |
| 1285 | // Run interactive shell if explicitly requested or if no script has been |
| 1286 | // executed, but never on --test |
| 1287 | |
| 1288 | if (( options.interactive_shell |
| 1289 | || !options.script_executed ) |
| 1290 | && !options.test_shell ) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1291 | #ifndef V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1292 | if (!i::FLAG_debugger) { |
| 1293 | InstallUtilityScript(); |
| 1294 | } |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1295 | #endif // V8_SHARED |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1296 | RunShell(); |
| 1297 | } |
| 1298 | |
| 1299 | V8::Dispose(); |
| 1300 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame^] | 1301 | #ifndef V8_SHARED |
| 1302 | OnExit(); |
| 1303 | #endif // V8_SHARED |
| 1304 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1305 | return result; |
| 1306 | } |
| 1307 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1308 | } // namespace v8 |
| 1309 | |
| 1310 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1311 | #ifndef GOOGLE3 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1312 | int main(int argc, char* argv[]) { |
| 1313 | return v8::Shell::Main(argc, argv); |
| 1314 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1315 | #endif |