public bool ParsingImmVariable(Token tk, int index)
{
string s = lex.GetTokenString();
int i = 0;
if (GetEquValue(s, ref i))
{
lex.Match(Token.Ident);
opcode.Imm = i;
opcode.Register[index] = Addressing.imm;
return(true);
}
else if (opcode.IsCanBackFillInst())
{
opcode.BackFillLabel = s;
opcode.Imm = DataIndex;
opcode.LineNo = lex.GetLineNo();
opcode.RowNo = lex.GetRowNo();
lex.Match(Token.Ident);
opcode.Register[index] = Addressing.backfill;
return(true);
}
else
{
Error("unknown identifier: " + s);
lex.SkipLine();
return(false);
}
}
