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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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37 | 37 |
38 namespace v8 { | 38 namespace v8 { |
39 namespace internal { | 39 namespace internal { |
40 | 40 |
41 | 41 |
42 #ifdef ENABLE_DEBUGGER_SUPPORT | 42 #ifdef ENABLE_DEBUGGER_SUPPORT |
43 | 43 |
44 static void CompileScriptForTracker(Handle<Script> script) { | 44 static void CompileScriptForTracker(Handle<Script> script) { |
45 const bool is_eval = false; | 45 const bool is_eval = false; |
46 const bool is_global = true; | 46 const bool is_global = true; |
47 // TODO: support extensions. | 47 // TODO(635): support extensions. |
48 Extension* extension = NULL; | 48 Extension* extension = NULL; |
49 | 49 |
50 PostponeInterruptsScope postpone; | 50 PostponeInterruptsScope postpone; |
51 | 51 |
52 // Only allow non-global compiles for eval. | 52 // Only allow non-global compiles for eval. |
53 ASSERT(is_eval || is_global); | 53 ASSERT(is_eval || is_global); |
54 | 54 |
55 // Build AST. | 55 // Build AST. |
56 ScriptDataImpl* pre_data = NULL; | 56 ScriptDataImpl* pre_data = NULL; |
57 FunctionLiteral* lit = MakeAST(is_global, script, extension, pre_data); | 57 FunctionLiteral* lit = MakeAST(is_global, script, extension, pre_data); |
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378 // their contents and length. It is specified as array of groups of 3 numbers: | 378 // their contents and length. It is specified as array of groups of 3 numbers: |
379 // (change_begin, change_end, change_end_new_position). | 379 // (change_begin, change_end, change_end_new_position). |
380 // Each group describes a change in text; groups are sorted by change_begin. | 380 // Each group describes a change in text; groups are sorted by change_begin. |
381 // Only position in text beyond any changes may be successfully translated. | 381 // Only position in text beyond any changes may be successfully translated. |
382 // If a positions is inside some region that changed, result is currently | 382 // If a positions is inside some region that changed, result is currently |
383 // undefined. | 383 // undefined. |
384 static int TranslatePosition(int original_position, | 384 static int TranslatePosition(int original_position, |
385 Handle<JSArray> position_change_array) { | 385 Handle<JSArray> position_change_array) { |
386 int position_diff = 0; | 386 int position_diff = 0; |
387 int array_len = Smi::cast(position_change_array->length())->value(); | 387 int array_len = Smi::cast(position_change_array->length())->value(); |
388 // TODO: binary search may be used here | 388 // TODO(635): binary search may be used here |
389 for (int i = 0; i < array_len; i += 3) { | 389 for (int i = 0; i < array_len; i += 3) { |
390 int chunk_start = | 390 int chunk_start = |
391 Smi::cast(position_change_array->GetElement(i))->value(); | 391 Smi::cast(position_change_array->GetElement(i))->value(); |
392 int chunk_end = | 392 int chunk_end = |
393 Smi::cast(position_change_array->GetElement(i + 1))->value(); | 393 Smi::cast(position_change_array->GetElement(i + 1))->value(); |
394 int chunk_changed_end = | 394 int chunk_changed_end = |
395 Smi::cast(position_change_array->GetElement(i + 2))->value(); | 395 Smi::cast(position_change_array->GetElement(i + 2))->value(); |
396 position_diff = chunk_changed_end - chunk_end; | 396 position_diff = chunk_changed_end - chunk_end; |
397 if (original_position < chunk_start) { | 397 if (original_position < chunk_start) { |
398 break; | 398 break; |
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474 | 474 |
475 bool LiveEditFunctionTracker::IsActive() { | 475 bool LiveEditFunctionTracker::IsActive() { |
476 return false; | 476 return false; |
477 } | 477 } |
478 | 478 |
479 #endif // ENABLE_DEBUGGER_SUPPORT | 479 #endif // ENABLE_DEBUGGER_SUPPORT |
480 | 480 |
481 | 481 |
482 | 482 |
483 } } // namespace v8::internal | 483 } } // namespace v8::internal |
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