public static string LoadAttribute(CodeGenContext context, AstOperation operation)
{
IAstNode src1 = operation.GetSource(0);
IAstNode src2 = operation.GetSource(1);
if (!(src1 is AstOperand attr) || attr.Type != OperandType.Attribute)
{
throw new InvalidOperationException("First source of LoadAttribute must be a attribute.");
}
string indexExpr = GetSoureExpr(context, src2, GetSrcVarType(operation.Inst, 1));
return(OperandManager.GetAttributeName(attr, context.Config, isOutAttr: false, indexExpr));
}
public static string LoadAttribute(CodeGenContext context, AstOperation operation)
{
IAstNode src1 = operation.GetSource(0);
IAstNode src2 = operation.GetSource(1);
IAstNode src3 = operation.GetSource(2);
if (!(src1 is AstOperand baseAttr) || baseAttr.Type != OperandType.Constant)
{
throw new InvalidOperationException($"First input of {nameof(Instruction.LoadAttribute)} must be a constant operand.");
}
string indexExpr = GetSoureExpr(context, src3, GetSrcVarType(operation.Inst, 2));
if (src2 is AstOperand operand && operand.Type == OperandType.Constant)
{
int attrOffset = baseAttr.Value + (operand.Value << 2);
return OperandManager.GetAttributeName(attrOffset, context.Config, perPatch: false, isOutAttr: false, indexExpr);
}
