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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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512 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { | 512 for (int i = frames.length() - 1; i >= 0 && frames_seen < limit; i--) { |
513 // Create a JSObject to hold the information for the StackFrame. | 513 // Create a JSObject to hold the information for the StackFrame. |
514 Handle<JSObject> stack_frame = factory()->NewJSObject(object_function()); | 514 Handle<JSObject> stack_frame = factory()->NewJSObject(object_function()); |
515 | 515 |
516 Handle<JSFunction> fun = frames[i].function(); | 516 Handle<JSFunction> fun = frames[i].function(); |
517 Handle<Script> script(Script::cast(fun->shared()->script())); | 517 Handle<Script> script(Script::cast(fun->shared()->script())); |
518 | 518 |
519 if (options & StackTrace::kLineNumber) { | 519 if (options & StackTrace::kLineNumber) { |
520 int script_line_offset = script->line_offset()->value(); | 520 int script_line_offset = script->line_offset()->value(); |
521 int position = frames[i].code()->SourcePosition(frames[i].pc()); | 521 int position = frames[i].code()->SourcePosition(frames[i].pc()); |
522 int line_number = Script::GetLineNumber(script, position); | 522 int line_number = GetScriptLineNumber(script, position); |
523 // line_number is already shifted by the script_line_offset. | 523 // line_number is already shifted by the script_line_offset. |
524 int relative_line_number = line_number - script_line_offset; | 524 int relative_line_number = line_number - script_line_offset; |
525 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { | 525 if (options & StackTrace::kColumnOffset && relative_line_number >= 0) { |
526 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); | 526 Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); |
527 int start = (relative_line_number == 0) ? 0 : | 527 int start = (relative_line_number == 0) ? 0 : |
528 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; | 528 Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1; |
529 int column_offset = position - start; | 529 int column_offset = position - start; |
530 if (relative_line_number == 0) { | 530 if (relative_line_number == 0) { |
531 // For the case where the code is on the same line as the script | 531 // For the case where the code is on the same line as the script |
532 // tag. | 532 // tag. |
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547 stack_frame, script_id_key, script_id, NONE).Check(); | 547 stack_frame, script_id_key, script_id, NONE).Check(); |
548 } | 548 } |
549 | 549 |
550 if (options & StackTrace::kScriptName) { | 550 if (options & StackTrace::kScriptName) { |
551 Handle<Object> script_name(script->name(), this); | 551 Handle<Object> script_name(script->name(), this); |
552 JSObject::SetLocalPropertyIgnoreAttributes( | 552 JSObject::SetLocalPropertyIgnoreAttributes( |
553 stack_frame, script_name_key, script_name, NONE).Check(); | 553 stack_frame, script_name_key, script_name, NONE).Check(); |
554 } | 554 } |
555 | 555 |
556 if (options & StackTrace::kScriptNameOrSourceURL) { | 556 if (options & StackTrace::kScriptNameOrSourceURL) { |
557 Handle<Object> result = Script::GetNameOrSourceURL(script); | 557 Handle<Object> result = GetScriptNameOrSourceURL(script); |
558 JSObject::SetLocalPropertyIgnoreAttributes( | 558 JSObject::SetLocalPropertyIgnoreAttributes( |
559 stack_frame, script_name_or_source_url_key, result, NONE).Check(); | 559 stack_frame, script_name_or_source_url_key, result, NONE).Check(); |
560 } | 560 } |
561 | 561 |
562 if (options & StackTrace::kFunctionName) { | 562 if (options & StackTrace::kFunctionName) { |
563 Handle<Object> fun_name(fun->shared()->name(), this); | 563 Handle<Object> fun_name(fun->shared()->name(), this); |
564 if (!fun_name->BooleanValue()) { | 564 if (!fun_name->BooleanValue()) { |
565 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); | 565 fun_name = Handle<Object>(fun->shared()->inferred_name(), this); |
566 } | 566 } |
567 JSObject::SetLocalPropertyIgnoreAttributes( | 567 JSObject::SetLocalPropertyIgnoreAttributes( |
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812 // At this point we cannot create an Error object using its javascript | 812 // At this point we cannot create an Error object using its javascript |
813 // constructor. Instead, we copy the pre-constructed boilerplate and | 813 // constructor. Instead, we copy the pre-constructed boilerplate and |
814 // attach the stack trace as a hidden property. | 814 // attach the stack trace as a hidden property. |
815 Handle<String> key = factory()->stack_overflow_string(); | 815 Handle<String> key = factory()->stack_overflow_string(); |
816 Handle<JSObject> boilerplate = Handle<JSObject>::cast( | 816 Handle<JSObject> boilerplate = Handle<JSObject>::cast( |
817 Object::GetProperty(js_builtins_object(), key).ToHandleChecked()); | 817 Object::GetProperty(js_builtins_object(), key).ToHandleChecked()); |
818 Handle<JSObject> exception = JSObject::Copy(boilerplate); | 818 Handle<JSObject> exception = JSObject::Copy(boilerplate); |
819 DoThrow(*exception, NULL); | 819 DoThrow(*exception, NULL); |
820 | 820 |
821 // Get stack trace limit. | 821 // Get stack trace limit. |
822 Handle<Object> error = Object::GetProperty( | 822 Handle<Object> error = |
823 this, js_builtins_object(), "$Error").ToHandleChecked(); | 823 GetProperty(js_builtins_object(), "$Error").ToHandleChecked(); |
824 if (!error->IsJSObject()) return Failure::Exception(); | 824 if (!error->IsJSObject()) return Failure::Exception(); |
825 | 825 |
826 Handle<String> stackTraceLimit = | 826 Handle<String> stackTraceLimit = |
827 factory()->InternalizeUtf8String("stackTraceLimit"); | 827 factory()->InternalizeUtf8String("stackTraceLimit"); |
828 ASSERT(!stackTraceLimit.is_null()); | 828 ASSERT(!stackTraceLimit.is_null()); |
829 Handle<Object> stack_trace_limit = | 829 Handle<Object> stack_trace_limit = |
830 JSObject::GetDataProperty(Handle<JSObject>::cast(error), | 830 JSObject::GetDataProperty(Handle<JSObject>::cast(error), |
831 stackTraceLimit); | 831 stackTraceLimit); |
832 if (!stack_trace_limit->IsNumber()) return Failure::Exception(); | 832 if (!stack_trace_limit->IsNumber()) return Failure::Exception(); |
833 double dlimit = stack_trace_limit->Number(); | 833 double dlimit = stack_trace_limit->Number(); |
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1130 MessageHandler::GetLocalizedMessage(this, message_obj).get()); | 1130 MessageHandler::GetLocalizedMessage(this, message_obj).get()); |
1131 PrintCurrentStackTrace(stderr); | 1131 PrintCurrentStackTrace(stderr); |
1132 OS::Abort(); | 1132 OS::Abort(); |
1133 } | 1133 } |
1134 } else if (location != NULL && !location->script().is_null()) { | 1134 } else if (location != NULL && !location->script().is_null()) { |
1135 // We are bootstrapping and caught an error where the location is set | 1135 // We are bootstrapping and caught an error where the location is set |
1136 // and we have a script for the location. | 1136 // and we have a script for the location. |
1137 // In this case we could have an extension (or an internal error | 1137 // In this case we could have an extension (or an internal error |
1138 // somewhere) and we print out the line number at which the error occured | 1138 // somewhere) and we print out the line number at which the error occured |
1139 // to the console for easier debugging. | 1139 // to the console for easier debugging. |
1140 int line_number = | 1140 int line_number = GetScriptLineNumberSafe(location->script(), |
1141 location->script()->GetLineNumber(location->start_pos()) + 1; | 1141 location->start_pos()); |
1142 if (exception->IsString() && location->script()->name()->IsString()) { | 1142 if (exception->IsString() && location->script()->name()->IsString()) { |
1143 OS::PrintError( | 1143 OS::PrintError( |
1144 "Extension or internal compilation error: %s in %s at line %d.\n", | 1144 "Extension or internal compilation error: %s in %s at line %d.\n", |
1145 String::cast(exception)->ToCString().get(), | 1145 String::cast(exception)->ToCString().get(), |
1146 String::cast(location->script()->name())->ToCString().get(), | 1146 String::cast(location->script()->name())->ToCString().get(), |
1147 line_number); | 1147 line_number + 1); |
1148 } else if (location->script()->name()->IsString()) { | 1148 } else if (location->script()->name()->IsString()) { |
1149 OS::PrintError( | 1149 OS::PrintError( |
1150 "Extension or internal compilation error in %s at line %d.\n", | 1150 "Extension or internal compilation error in %s at line %d.\n", |
1151 String::cast(location->script()->name())->ToCString().get(), | 1151 String::cast(location->script()->name())->ToCString().get(), |
1152 line_number); | 1152 line_number + 1); |
1153 } else { | 1153 } else { |
1154 OS::PrintError("Extension or internal compilation error.\n"); | 1154 OS::PrintError("Extension or internal compilation error.\n"); |
1155 } | 1155 } |
1156 } | 1156 } |
1157 } | 1157 } |
1158 | 1158 |
1159 // Save the message for reporting if the the exception remains uncaught. | 1159 // Save the message for reporting if the the exception remains uncaught. |
1160 thread_local_top()->has_pending_message_ = report_exception; | 1160 thread_local_top()->has_pending_message_ = report_exception; |
1161 | 1161 |
1162 // Do not forget to clean catcher_ if currently thrown exception cannot | 1162 // Do not forget to clean catcher_ if currently thrown exception cannot |
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2250 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map); | 2250 Handle<JSObject> obj = factory()->NewJSObjectFromMap(map); |
2251 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8); | 2251 JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8); |
2252 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert(); | 2252 JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert(); |
2253 } | 2253 } |
2254 } | 2254 } |
2255 return Handle<JSObject>::cast(factory()->symbol_registry()); | 2255 return Handle<JSObject>::cast(factory()->symbol_registry()); |
2256 } | 2256 } |
2257 | 2257 |
2258 | 2258 |
2259 } } // namespace v8::internal | 2259 } } // namespace v8::internal |
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