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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 263 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 274 | 274 |
| 275 numberValue = numberValue < 0 ? -floor(fabs(numberValue)) : floor(fabs(numbe
rValue)); | 275 numberValue = numberValue < 0 ? -floor(fabs(numberValue)) : floor(fabs(numbe
rValue)); |
| 276 return static_cast<T>(fmod(numberValue, LimitsTrait::numberOfValues)); | 276 return static_cast<T>(fmod(numberValue, LimitsTrait::numberOfValues)); |
| 277 } | 277 } |
| 278 | 278 |
| 279 int8_t toInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConversi
onConfiguration configuration, ExceptionState& exceptionState) | 279 int8_t toInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConversi
onConfiguration configuration, ExceptionState& exceptionState) |
| 280 { | 280 { |
| 281 return toSmallerInt<int8_t>(isolate, value, configuration, "byte", exception
State); | 281 return toSmallerInt<int8_t>(isolate, value, configuration, "byte", exception
State); |
| 282 } | 282 } |
| 283 | 283 |
| 284 int8_t toInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 285 { | |
| 286 NonThrowableExceptionState exceptionState; | |
| 287 return toInt8(isolate, value, NormalConversion, exceptionState); | |
| 288 } | |
| 289 | |
| 290 uint8_t toUInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConver
sionConfiguration configuration, ExceptionState& exceptionState) | 284 uint8_t toUInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConver
sionConfiguration configuration, ExceptionState& exceptionState) |
| 291 { | 285 { |
| 292 return toSmallerUInt<uint8_t>(isolate, value, configuration, "octet", except
ionState); | 286 return toSmallerUInt<uint8_t>(isolate, value, configuration, "octet", except
ionState); |
| 293 } | 287 } |
| 294 | 288 |
| 295 uint8_t toUInt8(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 296 { | |
| 297 NonThrowableExceptionState exceptionState; | |
| 298 return toUInt8(isolate, value, NormalConversion, exceptionState); | |
| 299 } | |
| 300 | |
| 301 int16_t toInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConver
sionConfiguration configuration, ExceptionState& exceptionState) | 289 int16_t toInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConver
sionConfiguration configuration, ExceptionState& exceptionState) |
| 302 { | 290 { |
| 303 return toSmallerInt<int16_t>(isolate, value, configuration, "short", excepti
onState); | 291 return toSmallerInt<int16_t>(isolate, value, configuration, "short", excepti
onState); |
| 304 } | 292 } |
| 305 | 293 |
| 306 int16_t toInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 307 { | |
| 308 NonThrowableExceptionState exceptionState; | |
| 309 return toInt16(isolate, value, NormalConversion, exceptionState); | |
| 310 } | |
| 311 | |
| 312 uint16_t toUInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConv
ersionConfiguration configuration, ExceptionState& exceptionState) | 294 uint16_t toUInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerConv
ersionConfiguration configuration, ExceptionState& exceptionState) |
| 313 { | 295 { |
| 314 return toSmallerUInt<uint16_t>(isolate, value, configuration, "unsigned shor
t", exceptionState); | 296 return toSmallerUInt<uint16_t>(isolate, value, configuration, "unsigned shor
t", exceptionState); |
| 315 } | 297 } |
| 316 | 298 |
| 317 uint16_t toUInt16(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 318 { | |
| 319 NonThrowableExceptionState exceptionState; | |
| 320 return toUInt16(isolate, value, NormalConversion, exceptionState); | |
| 321 } | |
| 322 | |
| 323 int32_t toInt32Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerCo
nversionConfiguration configuration, ExceptionState& exceptionState) | 299 int32_t toInt32Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerCo
nversionConfiguration configuration, ExceptionState& exceptionState) |
| 324 { | 300 { |
| 325 ASSERT(!value->IsInt32()); | 301 ASSERT(!value->IsInt32()); |
| 326 // Can the value be converted to a number? | 302 // Can the value be converted to a number? |
| 327 v8::TryCatch block(isolate); | 303 v8::TryCatch block(isolate); |
| 328 v8::Local<v8::Number> numberObject = value->ToNumber(isolate); | 304 v8::Local<v8::Number> numberObject = value->ToNumber(isolate); |
| 329 if (block.HasCaught()) { | 305 if (block.HasCaught()) { |
| 330 exceptionState.rethrowV8Exception(block.Exception()); | 306 exceptionState.rethrowV8Exception(block.Exception()); |
| 331 return 0; | 307 return 0; |
| 332 } | 308 } |
| 333 | 309 |
| 334 ASSERT(!numberObject.IsEmpty()); | 310 ASSERT(!numberObject.IsEmpty()); |
| 335 | 311 |
| 336 double numberValue = numberObject->Value(); | 312 double numberValue = numberObject->Value(); |
| 337 if (configuration == EnforceRange) | 313 if (configuration == EnforceRange) |
| 338 return enforceRange(numberValue, kMinInt32, kMaxInt32, "long", exception
State); | 314 return enforceRange(numberValue, kMinInt32, kMaxInt32, "long", exception
State); |
| 339 | 315 |
| 340 if (std::isnan(numberValue)) | 316 if (std::isnan(numberValue)) |
| 341 return 0; | 317 return 0; |
| 342 | 318 |
| 343 if (configuration == Clamp) | 319 if (configuration == Clamp) |
| 344 return clampTo<int32_t>(numberValue); | 320 return clampTo<int32_t>(numberValue); |
| 345 | 321 |
| 346 if (std::isinf(numberValue)) | 322 if (std::isinf(numberValue)) |
| 347 return 0; | 323 return 0; |
| 348 | 324 |
| 349 return numberObject->Int32Value(); | 325 return numberObject->Int32Value(); |
| 350 } | 326 } |
| 351 | 327 |
| 352 int32_t toInt32(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 353 { | |
| 354 NonThrowableExceptionState exceptionState; | |
| 355 return toInt32(isolate, value, NormalConversion, exceptionState); | |
| 356 } | |
| 357 | |
| 358 uint32_t toUInt32Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, Integer
ConversionConfiguration configuration, ExceptionState& exceptionState) | 328 uint32_t toUInt32Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, Integer
ConversionConfiguration configuration, ExceptionState& exceptionState) |
| 359 { | 329 { |
| 360 ASSERT(!value->IsUint32()); | 330 ASSERT(!value->IsUint32()); |
| 361 if (value->IsInt32()) { | 331 if (value->IsInt32()) { |
| 362 ASSERT(configuration != NormalConversion); | 332 ASSERT(configuration != NormalConversion); |
| 363 int32_t result = value->Int32Value(); | 333 int32_t result = value->Int32Value(); |
| 364 if (result >= 0) | 334 if (result >= 0) |
| 365 return result; | 335 return result; |
| 366 if (configuration == EnforceRange) { | 336 if (configuration == EnforceRange) { |
| 367 exceptionState.throwTypeError("Value is outside the 'unsigned long'
value range."); | 337 exceptionState.throwTypeError("Value is outside the 'unsigned long'
value range."); |
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| 390 | 360 |
| 391 if (configuration == Clamp) | 361 if (configuration == Clamp) |
| 392 return clampTo<uint32_t>(numberValue); | 362 return clampTo<uint32_t>(numberValue); |
| 393 | 363 |
| 394 if (std::isinf(numberValue)) | 364 if (std::isinf(numberValue)) |
| 395 return 0; | 365 return 0; |
| 396 | 366 |
| 397 return numberObject->Uint32Value(); | 367 return numberObject->Uint32Value(); |
| 398 } | 368 } |
| 399 | 369 |
| 400 uint32_t toUInt32(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 401 { | |
| 402 NonThrowableExceptionState exceptionState; | |
| 403 return toUInt32(isolate, value, NormalConversion, exceptionState); | |
| 404 } | |
| 405 | |
| 406 int64_t toInt64Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerCo
nversionConfiguration configuration, ExceptionState& exceptionState) | 370 int64_t toInt64Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, IntegerCo
nversionConfiguration configuration, ExceptionState& exceptionState) |
| 407 { | 371 { |
| 408 ASSERT(!value->IsInt32()); | 372 ASSERT(!value->IsInt32()); |
| 409 | 373 |
| 410 v8::Local<v8::Number> numberObject; | 374 v8::Local<v8::Number> numberObject; |
| 411 // Can the value be converted to a number? | 375 // Can the value be converted to a number? |
| 412 v8::TryCatch block(isolate); | 376 v8::TryCatch block(isolate); |
| 413 numberObject = value->ToNumber(isolate); | 377 numberObject = value->ToNumber(isolate); |
| 414 if (block.HasCaught()) { | 378 if (block.HasCaught()) { |
| 415 exceptionState.rethrowV8Exception(block.Exception()); | 379 exceptionState.rethrowV8Exception(block.Exception()); |
| 416 return 0; | 380 return 0; |
| 417 } | 381 } |
| 418 ASSERT(!numberObject.IsEmpty()); | 382 ASSERT(!numberObject.IsEmpty()); |
| 419 | 383 |
| 420 double numberValue = numberObject->Value(); | 384 double numberValue = numberObject->Value(); |
| 421 | 385 |
| 422 if (configuration == EnforceRange) | 386 if (configuration == EnforceRange) |
| 423 return enforceRange(numberValue, -kJSMaxInteger, kJSMaxInteger, "long lo
ng", exceptionState); | 387 return enforceRange(numberValue, -kJSMaxInteger, kJSMaxInteger, "long lo
ng", exceptionState); |
| 424 | 388 |
| 425 if (std::isnan(numberValue) || std::isinf(numberValue)) | 389 if (std::isnan(numberValue) || std::isinf(numberValue)) |
| 426 return 0; | 390 return 0; |
| 427 | 391 |
| 428 // NaNs and +/-Infinity should be 0, otherwise modulo 2^64. | 392 // NaNs and +/-Infinity should be 0, otherwise modulo 2^64. |
| 429 unsigned long long integer; | 393 unsigned long long integer; |
| 430 doubleToInteger(numberValue, integer); | 394 doubleToInteger(numberValue, integer); |
| 431 return integer; | 395 return integer; |
| 432 } | 396 } |
| 433 | 397 |
| 434 int64_t toInt64(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 435 { | |
| 436 NonThrowableExceptionState exceptionState; | |
| 437 return toInt64(isolate, value, NormalConversion, exceptionState); | |
| 438 } | |
| 439 | |
| 440 uint64_t toUInt64Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, Integer
ConversionConfiguration configuration, ExceptionState& exceptionState) | 398 uint64_t toUInt64Slow(v8::Isolate* isolate, v8::Handle<v8::Value> value, Integer
ConversionConfiguration configuration, ExceptionState& exceptionState) |
| 441 { | 399 { |
| 442 ASSERT(!value->IsUint32()); | 400 ASSERT(!value->IsUint32()); |
| 443 if (value->IsInt32()) { | 401 if (value->IsInt32()) { |
| 444 ASSERT(configuration != NormalConversion); | 402 ASSERT(configuration != NormalConversion); |
| 445 int32_t result = value->Int32Value(); | 403 int32_t result = value->Int32Value(); |
| 446 if (result >= 0) | 404 if (result >= 0) |
| 447 return result; | 405 return result; |
| 448 if (configuration == EnforceRange) { | 406 if (configuration == EnforceRange) { |
| 449 exceptionState.throwTypeError("Value is outside the 'unsigned long l
ong' value range."); | 407 exceptionState.throwTypeError("Value is outside the 'unsigned long l
ong' value range."); |
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| 476 | 434 |
| 477 if (std::isinf(numberValue)) | 435 if (std::isinf(numberValue)) |
| 478 return 0; | 436 return 0; |
| 479 | 437 |
| 480 // NaNs and +/-Infinity should be 0, otherwise modulo 2^64. | 438 // NaNs and +/-Infinity should be 0, otherwise modulo 2^64. |
| 481 unsigned long long integer; | 439 unsigned long long integer; |
| 482 doubleToInteger(numberValue, integer); | 440 doubleToInteger(numberValue, integer); |
| 483 return integer; | 441 return integer; |
| 484 } | 442 } |
| 485 | 443 |
| 486 uint64_t toUInt64(v8::Isolate* isolate, v8::Handle<v8::Value> value) | |
| 487 { | |
| 488 NonThrowableExceptionState exceptionState; | |
| 489 return toUInt64(isolate, value, NormalConversion, exceptionState); | |
| 490 } | |
| 491 | |
| 492 float toRestrictedFloat(v8::Isolate* isolate, v8::Handle<v8::Value> value, Excep
tionState& exceptionState) | 444 float toRestrictedFloat(v8::Isolate* isolate, v8::Handle<v8::Value> value, Excep
tionState& exceptionState) |
| 493 { | 445 { |
| 494 float numberValue = toFloat(isolate, value, exceptionState); | 446 float numberValue = toFloat(isolate, value, exceptionState); |
| 495 if (exceptionState.hadException()) | 447 if (exceptionState.hadException()) |
| 496 return 0; | 448 return 0; |
| 497 if (!std::isfinite(numberValue)) { | 449 if (!std::isfinite(numberValue)) { |
| 498 exceptionState.throwTypeError("The provided float value is non-finite.")
; | 450 exceptionState.throwTypeError("The provided float value is non-finite.")
; |
| 499 return 0; | 451 return 0; |
| 500 } | 452 } |
| 501 return numberValue; | 453 return numberValue; |
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| 1025 { | 977 { |
| 1026 v8ConstructorAttributeGetter(info); | 978 v8ConstructorAttributeGetter(info); |
| 1027 } | 979 } |
| 1028 | 980 |
| 1029 void v8ConstructorAttributeGetterAsAccessor(const v8::FunctionCallbackInfo<v8::V
alue>& info) | 981 void v8ConstructorAttributeGetterAsAccessor(const v8::FunctionCallbackInfo<v8::V
alue>& info) |
| 1030 { | 982 { |
| 1031 v8ConstructorAttributeGetter(info); | 983 v8ConstructorAttributeGetter(info); |
| 1032 } | 984 } |
| 1033 | 985 |
| 1034 } // namespace blink | 986 } // namespace blink |
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