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Issue 685393002: Do not embed array objects in unoptimized code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 1 month ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // ------------------------------------------------------------------- 5 // -------------------------------------------------------------------
6 6
7 var kMessages = { 7 var kMessages = {
8 // Error 8 // Error
9 cyclic_proto: ["Cyclic __proto__ value"], 9 cyclic_proto: ["Cyclic __proto__ value"],
10 code_gen_from_strings: ["%0"], 10 code_gen_from_strings: ["%0"],
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360 360
361 function MakeEvalError(type, args) { 361 function MakeEvalError(type, args) {
362 return MakeGenericError($EvalError, type, args); 362 return MakeGenericError($EvalError, type, args);
363 } 363 }
364 364
365 365
366 function MakeError(type, args) { 366 function MakeError(type, args) {
367 return MakeGenericError($Error, type, args); 367 return MakeGenericError($Error, type, args);
368 } 368 }
369 369
370
371 // The embedded versions are called from unoptimized code, with embedded
372 // arguments. Those arguments cannot be arrays, which are context-dependent.
373 function MakeTypeErrorEmbedded(type, arg) {
374 return MakeGenericError($TypeError, type, [arg]);
375 }
376
377
378 function MakeSyntaxErrorEmbedded(type, arg) {
379 return MakeGenericError($SyntaxError, type, [arg]);
380 }
381
382
383 function MakeReferenceErrorEmbedded(type, arg) {
384 return MakeGenericError($ReferenceError, type, [arg]);
385 }
386
370 /** 387 /**
371 * Find a line number given a specific source position. 388 * Find a line number given a specific source position.
372 * @param {number} position The source position. 389 * @param {number} position The source position.
373 * @return {number} 0 if input too small, -1 if input too large, 390 * @return {number} 0 if input too small, -1 if input too large,
374 else the line number. 391 else the line number.
375 */ 392 */
376 function ScriptLineFromPosition(position) { 393 function ScriptLineFromPosition(position) {
377 var lower = 0; 394 var lower = 0;
378 var upper = this.lineCount() - 1; 395 var upper = this.lineCount() - 1;
379 var line_ends = this.line_ends; 396 var line_ends = this.line_ends;
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1303 function SetUpStackOverflowBoilerplate() { 1320 function SetUpStackOverflowBoilerplate() {
1304 var boilerplate = MakeRangeError('stack_overflow', []); 1321 var boilerplate = MakeRangeError('stack_overflow', []);
1305 1322
1306 %DefineAccessorPropertyUnchecked( 1323 %DefineAccessorPropertyUnchecked(
1307 boilerplate, 'stack', StackTraceGetter, StackTraceSetter, DONT_ENUM); 1324 boilerplate, 'stack', StackTraceGetter, StackTraceSetter, DONT_ENUM);
1308 1325
1309 return boilerplate; 1326 return boilerplate;
1310 } 1327 }
1311 1328
1312 var kStackOverflowBoilerplate = SetUpStackOverflowBoilerplate(); 1329 var kStackOverflowBoilerplate = SetUpStackOverflowBoilerplate();
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