public void DefineFunction(IToken idToken, int nargs, int nlocals)
{
FunctionSymbol searchSym;
if (_functions.TryGetValue(idToken.Text, out searchSym))
{
if (searchSym.IsFwdRef)
{
searchSym.Define(_ip, nargs, nlocals);
searchSym.ResolveFwdRefs(_code);
}
else
{
throw new GenerationException(String.Format("Function '{0}' already defined", idToken.Text));
}
}
else
{
searchSym = new FunctionSymbol(idToken.Text, _ip, _constPool.Count, nargs, nlocals);
_functions.Add(idToken.Text, searchSym);
_constPool.Add(searchSym);
}
}
public int GetFunctionIndex(string funcId)
{
FunctionSymbol searchSym;
if (_functions.TryGetValue(funcId, out searchSym))
{
if (searchSym.IsFwdRef)
{
searchSym.AddFwdRef(_ip);
}
return searchSym.ConstIndex;
}
else
{
searchSym = new FunctionSymbol(funcId, _constPool.Count);
_functions.Add(funcId, searchSym);
_constPool.Add(searchSym);
searchSym.AddFwdRef(_ip);
return searchSym.ConstIndex;
}
}
