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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 // 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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524 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { | 524 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { |
525 // Create a JSObject to hold the information for the StackFrame. | 525 // Create a JSObject to hold the information for the StackFrame. |
526 Handle<JSObject> stack_frame = factory()->NewJSObject(object_function()); | 526 Handle<JSObject> stack_frame = factory()->NewJSObject(object_function()); |
527 | 527 |
528 Handle<JSFunction> fun = frames[i].function(); | 528 Handle<JSFunction> fun = frames[i].function(); |
529 Handle<Script> script(Script::cast(fun->shared()->script())); | 529 Handle<Script> script(Script::cast(fun->shared()->script())); |
530 | 530 |
531 if (options & StackTrace::kLineNumber) { | 531 if (options & StackTrace::kLineNumber) { |
532 int script_line_offset = script->line_offset()->value(); | 532 int script_line_offset = script->line_offset()->value(); |
533 int position = frames[i].code()->SourcePosition(frames[i].pc()); | 533 int position = frames[i].code()->SourcePosition(frames[i].pc()); |
534 int line_number = GetScriptLineNumber(script, position); | 534 int line_number = Script::GetLineNumber(script, position); |
535 // line_number is already shifted by the script_line_offset. | 535 // line_number is already shifted by the script_line_offset. |
536 int relative_line_number = line_number - script_line_offset; | 536 int relative_line_number = line_number - script_line_offset; |
537 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { | 537 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { |
538 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); | 538 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); |
539 int start = (relative_line_number == 0) ? 0 : | 539 int start = (relative_line_number == 0) ? 0 : |
540 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; | 540 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; |
541 int column_offset = position - start; | 541 int column_offset = position - start; |
542 if (relative_line_number == 0) { | 542 if (relative_line_number == 0) { |
543 // For the case where the code is on the same line as the script | 543 // For the case where the code is on the same line as the script |
544 // tag. | 544 // tag. |
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559 stack_frame, script_id_key, script_id, NONE).Check(); | 559 stack_frame, script_id_key, script_id, NONE).Check(); |
560 } | 560 } |
561 | 561 |
562 if (options & StackTrace::kScriptName) { | 562 if (options & StackTrace::kScriptName) { |
563 Handle<Object> script_name(script->name(), this); | 563 Handle<Object> script_name(script->name(), this); |
564 JSObject::SetLocalPropertyIgnoreAttributes( | 564 JSObject::SetLocalPropertyIgnoreAttributes( |
565 stack_frame, script_name_key, script_name, NONE).Check(); | 565 stack_frame, script_name_key, script_name, NONE).Check(); |
566 } | 566 } |
567 | 567 |
568 if (options & StackTrace::kScriptNameOrSourceURL) { | 568 if (options & StackTrace::kScriptNameOrSourceURL) { |
569 Handle<Object> result = GetScriptNameOrSourceURL(script); | 569 Handle<Object> result = Script::GetNameOrSourceURL(script); |
570 JSObject::SetLocalPropertyIgnoreAttributes( | 570 JSObject::SetLocalPropertyIgnoreAttributes( |
571 stack_frame, script_name_or_source_url_key, result, NONE).Check(); | 571 stack_frame, script_name_or_source_url_key, result, NONE).Check(); |
572 } | 572 } |
573 | 573 |
574 if (options & StackTrace::kFunctionName) { | 574 if (options & StackTrace::kFunctionName) { |
575 Handle<Object> fun_name(fun->shared()->name(), this); | 575 Handle<Object> fun_name(fun->shared()->name(), this); |
576 if (!fun_name->BooleanValue()) { | 576 if (!fun_name->BooleanValue()) { |
577 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); | 577 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); |
578 } | 578 } |
579 JSObject::SetLocalPropertyIgnoreAttributes( | 579 JSObject::SetLocalPropertyIgnoreAttributes( |
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824 // At this point we cannot create an Error object using its javascript | 824 // At this point we cannot create an Error object using its javascript |
825 // constructor. Instead, we copy the pre-constructed boilerplate and | 825 // constructor. Instead, we copy the pre-constructed boilerplate and |
826 // attach the stack trace as a hidden property. | 826 // attach the stack trace as a hidden property. |
827 Handle<String> key = factory()->stack_overflow_string(); | 827 Handle<String> key = factory()->stack_overflow_string(); |
828 Handle<JSObject> boilerplate = Handle<JSObject>::cast( | 828 Handle<JSObject> boilerplate = Handle<JSObject>::cast( |
829 Object::GetProperty(js_builtins_object(), key).ToHandleChecked()); | 829 Object::GetProperty(js_builtins_object(), key).ToHandleChecked()); |
830 Handle<JSObject> exception = JSObject::Copy(boilerplate); | 830 Handle<JSObject> exception = JSObject::Copy(boilerplate); |
831 DoThrow(*exception, NULL); | 831 DoThrow(*exception, NULL); |
832 | 832 |
833 // Get stack trace limit. | 833 // Get stack trace limit. |
834 Handle<Object> error = | 834 Handle<Object> error = Object::GetProperty( |
835 GetProperty(js_builtins_object(), "$Error").ToHandleChecked(); | 835 this, js_builtins_object(), "$Error").ToHandleChecked(); |
836 if (!error->IsJSObject()) return Failure::Exception(); | 836 if (!error->IsJSObject()) return Failure::Exception(); |
837 | 837 |
838 Handle<String> stackTraceLimit = | 838 Handle<String> stackTraceLimit = |
839 factory()->InternalizeUtf8String("stackTraceLimit"); | 839 factory()->InternalizeUtf8String("stackTraceLimit"); |
840 ASSERT(!stackTraceLimit.is_null()); | 840 ASSERT(!stackTraceLimit.is_null()); |
841 Handle<Object> stack_trace_limit = | 841 Handle<Object> stack_trace_limit = |
842 JSObject::GetDataProperty(Handle<JSObject>::cast(error), | 842 JSObject::GetDataProperty(Handle<JSObject>::cast(error), |
843 stackTraceLimit); | 843 stackTraceLimit); |
844 if (!stack_trace_limit->IsNumber()) return Failure::Exception(); | 844 if (!stack_trace_limit->IsNumber()) return Failure::Exception(); |
845 double dlimit = stack_trace_limit->Number(); | 845 double dlimit = stack_trace_limit->Number(); |
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1142 MessageHandler::GetLocalizedMessage(this, message_obj).get()); | 1142 MessageHandler::GetLocalizedMessage(this, message_obj).get()); |
1143 PrintCurrentStackTrace(stderr); | 1143 PrintCurrentStackTrace(stderr); |
1144 OS::Abort(); | 1144 OS::Abort(); |
1145 } | 1145 } |
1146 } else if (location != NULL && !location->script().is_null()) { | 1146 } else if (location != NULL && !location->script().is_null()) { |
1147 // We are bootstrapping and caught an error where the location is set | 1147 // We are bootstrapping and caught an error where the location is set |
1148 // and we have a script for the location. | 1148 // and we have a script for the location. |
1149 // In this case we could have an extension (or an internal error | 1149 // In this case we could have an extension (or an internal error |
1150 // somewhere) and we print out the line number at which the error occured | 1150 // somewhere) and we print out the line number at which the error occured |
1151 // to the console for easier debugging. | 1151 // to the console for easier debugging. |
1152 int line_number = GetScriptLineNumberSafe(location->script(), | 1152 int line_number = |
1153 location->start_pos()); | 1153 location->script()->GetLineNumber(location->start_pos()) + 1; |
1154 if (exception->IsString() && location->script()->name()->IsString()) { | 1154 if (exception->IsString() && location->script()->name()->IsString()) { |
1155 OS::PrintError( | 1155 OS::PrintError( |
1156 "Extension or internal compilation error: %s in %s at line %d.\n", | 1156 "Extension or internal compilation error: %s in %s at line %d.\n", |
1157 String::cast(exception)->ToCString().get(), | 1157 String::cast(exception)->ToCString().get(), |
1158 String::cast(location->script()->name())->ToCString().get(), | 1158 String::cast(location->script()->name())->ToCString().get(), |
1159 line_number + 1); | 1159 line_number); |
1160 } else if (location->script()->name()->IsString()) { | 1160 } else if (location->script()->name()->IsString()) { |
1161 OS::PrintError( | 1161 OS::PrintError( |
1162 "Extension or internal compilation error in %s at line %d.\n", | 1162 "Extension or internal compilation error in %s at line %d.\n", |
1163 String::cast(location->script()->name())->ToCString().get(), | 1163 String::cast(location->script()->name())->ToCString().get(), |
1164 line_number + 1); | 1164 line_number); |
1165 } else { | 1165 } else { |
1166 OS::PrintError("Extension or internal compilation error.\n"); | 1166 OS::PrintError("Extension or internal compilation error.\n"); |
1167 } | 1167 } |
1168 } | 1168 } |
1169 } | 1169 } |
1170 | 1170 |
1171 // Save the message for reporting if the the exception remains uncaught. | 1171 // Save the message for reporting if the the exception remains uncaught. |
1172 thread_local_top()->has_pending_message_ = report_exception; | 1172 thread_local_top()->has_pending_message_ = report_exception; |
1173 | 1173 |
1174 // Do not forget to clean catcher_ if currently thrown exception cannot | 1174 // Do not forget to clean catcher_ if currently thrown exception cannot |
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2262 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map); | 2262 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map); |
2263 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8); | 2263 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8); |
2264 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert(); | 2264 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert(); |
2265 } | 2265 } |
2266 } | 2266 } |
2267 return Handle<JSObject>::cast(factory()->symbol_registry()); | 2267 return Handle<JSObject>::cast(factory()->symbol_registry()); |
2268 } | 2268 } |
2269 | 2269 |
2270 | 2270 |
2271 } } // namespace v8::internal | 2271 } } // namespace v8::internal |
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