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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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957 | 957 |
958 // Return the generated code. | 958 // Return the generated code. |
959 String* function_name = NULL; | 959 String* function_name = NULL; |
960 if (function->shared()->name()->IsString()) { | 960 if (function->shared()->name()->IsString()) { |
961 function_name = String::cast(function->shared()->name()); | 961 function_name = String::cast(function->shared()->name()); |
962 } | 962 } |
963 return GetCode(CONSTANT_FUNCTION, function_name); | 963 return GetCode(CONSTANT_FUNCTION, function_name); |
964 } | 964 } |
965 | 965 |
966 | 966 |
967 Object* CallStubCompiler::CompileCallInterceptor(Object* object, | 967 Object* CallStubCompiler::CompileCallInterceptor(JSObject* object, |
968 JSObject* holder, | 968 JSObject* holder, |
969 String* name) { | 969 String* name) { |
970 // ----------- S t a t e ------------- | 970 // ----------- S t a t e ------------- |
971 // -- lr: return address | 971 // -- lr: return address |
972 // ----------------------------------- | 972 // ----------------------------------- |
973 ASSERT(holder->HasNamedInterceptor()); | 973 ASSERT(holder->HasNamedInterceptor()); |
974 ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); | 974 ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
975 Label miss; | 975 Label miss; |
976 | 976 |
977 const Register receiver = r0; | 977 const Register receiver = r0; |
978 const Register name_reg = r1; | 978 const Register name_reg = r1; |
979 const Register holder_reg = r2; | 979 const Register holder_reg = r2; |
980 const Register scratch = r3; | 980 const Register scratch = r3; |
981 | 981 |
982 // Get the number of arguments. | 982 // Get the number of arguments. |
983 const int argc = arguments().immediate(); | 983 const int argc = arguments().immediate(); |
984 | 984 |
985 LookupResult lookup; | 985 LookupResult lookup; |
986 LookupPostInterceptor(holder, name, &lookup); | 986 LookupPostInterceptor(holder, name, &lookup); |
987 | 987 |
988 // Load the receiver from the stack. | 988 // Load the receiver from the stack. |
989 __ ldr(receiver, MemOperand(sp, argc * kPointerSize)); | 989 __ ldr(receiver, MemOperand(sp, argc * kPointerSize)); |
990 // Load the name from the stack. | 990 // Load the name from the stack. |
991 __ ldr(name_reg, MemOperand(sp, (argc + 1) * kPointerSize)); | 991 __ ldr(name_reg, MemOperand(sp, (argc + 1) * kPointerSize)); |
992 | 992 |
993 // Check that the receiver isn't a smi. | 993 // Check that the receiver isn't a smi. |
994 __ BranchOnSmi(receiver, &miss); | 994 __ BranchOnSmi(receiver, &miss); |
995 | 995 |
996 // Check that the maps haven't changed. | 996 // Check that the maps haven't changed. |
997 Register reg = | 997 Register reg = CheckPrototypes(object, receiver, holder, holder_reg, |
998 CheckPrototypes(JSObject::cast(object), receiver, holder, | 998 scratch, name, &miss); |
999 holder_reg, scratch, name, &miss); | |
1000 if (!reg.is(holder_reg)) { | 999 if (!reg.is(holder_reg)) { |
1001 __ mov(holder_reg, reg); | 1000 __ mov(holder_reg, reg); |
1002 } | 1001 } |
1003 | 1002 |
1004 // If we call a constant function when the interceptor returns | 1003 // If we call a constant function when the interceptor returns |
1005 // the no-result sentinel, generate code that optimizes this case. | 1004 // the no-result sentinel, generate code that optimizes this case. |
1006 if (lookup.IsValid() && | 1005 if (lookup.IsValid() && |
1007 lookup.IsCacheable() && | 1006 lookup.IsCacheable() && |
1008 lookup.type() == CONSTANT_FUNCTION && | 1007 lookup.type() == CONSTANT_FUNCTION && |
1009 lookup.GetConstantFunction()->is_compiled() && | 1008 lookup.GetConstantFunction()->is_compiled() && |
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1822 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); | 1821 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); |
1823 | 1822 |
1824 // Return the generated code. | 1823 // Return the generated code. |
1825 return GetCode(); | 1824 return GetCode(); |
1826 } | 1825 } |
1827 | 1826 |
1828 | 1827 |
1829 #undef __ | 1828 #undef __ |
1830 | 1829 |
1831 } } // namespace v8::internal | 1830 } } // namespace v8::internal |
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