diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp index 53964ad..c77a0f1 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp @@ -2417,6 +2417,33 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi vPC += OPCODE_LENGTH(op_del_by_id); NEXT_INSTRUCTION(); } + DEFINE_OPCODE(op_get_by_pname) { + int dst = vPC[1].u.operand; + int base = vPC[2].u.operand; + int property = vPC[3].u.operand; + int expected = vPC[4].u.operand; + int iter = vPC[5].u.operand; + int i = vPC[6].u.operand; + + JSValue baseValue = callFrame->r(base).jsValue(); + JSPropertyNameIterator* it = callFrame->r(iter).propertyNameIterator(); + JSValue subscript = callFrame->r(property).jsValue(); + JSValue expectedSubscript = callFrame->r(expected).jsValue(); + int index = callFrame->r(i).i() - 1; + JSValue result; + int offset = 0; + if (subscript == expectedSubscript && baseValue.isCell() && (baseValue.asCell()->structure() == it->cachedStructure()) && it->getOffset(index, offset)) { + callFrame->r(dst) = asObject(baseValue)->getDirectOffset(offset); + vPC += OPCODE_LENGTH(op_get_by_pname); + NEXT_INSTRUCTION(); + } + Identifier propertyName(callFrame, subscript.toString(callFrame)); + result = baseValue.get(callFrame, propertyName); + CHECK_FOR_EXCEPTION(); + callFrame->r(dst) = result; + vPC += OPCODE_LENGTH(op_get_by_pname); + NEXT_INSTRUCTION(); + } DEFINE_OPCODE(op_get_by_val) { /* get_by_val dst(r) base(r) property(r) |