diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp b/src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp index 41b5c39..04dae15 100644 --- a/src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp @@ -1281,6 +1281,19 @@ RegisterID* BytecodeGenerator::emitDeleteById(RegisterID* dst, RegisterID* base, RegisterID* BytecodeGenerator::emitGetByVal(RegisterID* dst, RegisterID* base, RegisterID* property) { + for (size_t i = m_forInContextStack.size(); i > 0; i--) { + ForInContext& context = m_forInContextStack[i - 1]; + if (context.propertyRegister == property) { + emitOpcode(op_get_by_pname); + instructions().append(dst->index()); + instructions().append(base->index()); + instructions().append(property->index()); + instructions().append(context.expectedSubscriptRegister->index()); + instructions().append(context.iterRegister->index()); + instructions().append(context.indexRegister->index()); + return dst; + } + } emitOpcode(op_get_by_val); instructions().append(dst->index()); instructions().append(base->index()); |