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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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947 | 947 |
948 | 948 |
949 static bool ObjectToInt32(Object* obj, int32_t* value) { | 949 static bool ObjectToInt32(Object* obj, int32_t* value) { |
950 if (obj->IsSmi()) { | 950 if (obj->IsSmi()) { |
951 *value = Smi::cast(obj)->value(); | 951 *value = Smi::cast(obj)->value(); |
952 return true; | 952 return true; |
953 } | 953 } |
954 | 954 |
955 if (obj->IsHeapNumber()) { | 955 if (obj->IsHeapNumber()) { |
956 double num = HeapNumber::cast(obj)->value(); | 956 double num = HeapNumber::cast(obj)->value(); |
957 if (FastD2I(FastI2D(num)) != num) { | 957 if (FastI2D(FastD2I(num)) != num) { |
958 if (FLAG_trace_osr) { | 958 if (FLAG_trace_osr) { |
959 PrintF("**** %g could not be converted to int32 ****\n", | 959 PrintF("**** %g could not be converted to int32 ****\n", |
960 HeapNumber::cast(obj)->value()); | 960 HeapNumber::cast(obj)->value()); |
961 } | 961 } |
962 return false; | 962 return false; |
963 } | 963 } |
964 | 964 |
965 *value = FastD2I(num); | 965 *value = FastD2I(num); |
966 return true; | 966 return true; |
967 } | 967 } |
968 | 968 |
969 return false; | 969 return false; |
970 } | 970 } |
971 | 971 |
972 | 972 |
973 static bool ObjectToUint32(Object* obj, uint32_t* value) { | 973 static bool ObjectToUint32(Object* obj, uint32_t* value) { |
974 if (obj->IsSmi()) { | 974 if (obj->IsSmi()) { |
975 if (Smi::cast(obj)->value() < 0) return false; | 975 if (Smi::cast(obj)->value() < 0) return false; |
976 | 976 |
977 *value = static_cast<uint32_t>(Smi::cast(obj)->value()); | 977 *value = static_cast<uint32_t>(Smi::cast(obj)->value()); |
978 return true; | 978 return true; |
979 } | 979 } |
980 | 980 |
981 if (obj->IsHeapNumber()) { | 981 if (obj->IsHeapNumber()) { |
982 double num = HeapNumber::cast(obj)->value(); | 982 double num = HeapNumber::cast(obj)->value(); |
983 if ((num < 0) || (FastD2UI(FastUI2D(num)) != num)) { | 983 if ((num < 0) || (FastUI2D(FastD2UI(num)) != num)) { |
984 if (FLAG_trace_osr) { | 984 if (FLAG_trace_osr) { |
985 PrintF("**** %g could not be converted to uint32 ****\n", | 985 PrintF("**** %g could not be converted to uint32 ****\n", |
986 HeapNumber::cast(obj)->value()); | 986 HeapNumber::cast(obj)->value()); |
987 } | 987 } |
988 return false; | 988 return false; |
989 } | 989 } |
990 | 990 |
991 *value = FastD2UI(num); | 991 *value = FastD2UI(num); |
992 return true; | 992 return true; |
993 } | 993 } |
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1840 | 1840 |
1841 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) { | 1841 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) { |
1842 v->VisitPointer(BitCast<Object**>(&function_)); | 1842 v->VisitPointer(BitCast<Object**>(&function_)); |
1843 v->VisitPointers(parameters_, parameters_ + parameters_count_); | 1843 v->VisitPointers(parameters_, parameters_ + parameters_count_); |
1844 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_); | 1844 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_); |
1845 } | 1845 } |
1846 | 1846 |
1847 #endif // ENABLE_DEBUGGER_SUPPORT | 1847 #endif // ENABLE_DEBUGGER_SUPPORT |
1848 | 1848 |
1849 } } // namespace v8::internal | 1849 } } // namespace v8::internal |
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