protected void Term()
{
bool minus = false;
bool not = false;
SkipWhite();
if (Next == Grammar.MINUS)
{
Consume(Grammar.MINUS);
minus = true;
}
else if (Next == Grammar.EXCL)
{
Consume(Grammar.EXCL);
not = true;
}
if (IsDigit(Next))
{
GetNum();
short value = short.Parse(Current);
if (minus)
{
value = (short)-value;
}
emitter.Literal(value);
}
else if (IsString(Next))
{
GetString();
if (StringResolver == null)
{
throw new Exception("Tried to resolve a string without resolver set");
}
short sindex = StringResolver.GetStringID(Current);
emitter.Literal(sindex);
}
else
{
GetName();
if (IsBuiltinFunction(Current))
{
BuiltinFunctionCall();
}
else if (IsInternal(Current))
{
InternalTerm();
}
else if (IsScript(Current))
{
ScriptTerm();
}
else if (variables.ContainsKey(Current))
{
VarTerm();
}
else
{
if (NameResolver == null)
{
throw new Exception("Tried to resolve a name without resolver set");
}
short id = NameResolver.GetNameValue(Current);
emitter.Literal(id);
}
}
if (not)
{
emitter.Negate();
}
SkipWhite();
}