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Aul: Allow '...' as final parameter in func decls 

Accepting an ellipsis as the final parameter in a function declaration
makes it immediately obvious that the function can take a variable number
of parameters
heavy-resources
Nicolas Hake 2014-05-04 16:58:01 +02:00
parent 6040dde80a
commit 8ab7a83e3b
1 changed files with 8 additions and 1 deletions
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9
src/script/C4AulParse.cpp
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@ -1417,8 +1417,15 @@ void C4AulParse::Parse_Function()
// too many parameters?
if (cpar >= C4AUL_MAX_Par)
throw new C4AulParseError(this, "'func' parameter list: too many parameters (max 10)");
if (TokenType == ATT_LDOTS)
{
if (Type == PREPARSER) Fn->ParCount = C4AUL_MAX_Par;
Shift();
// don't allow any more parameters after ellipsis
break;
}
// must be a name or type now
Check(ATT_IDTF, "parameter or ')'");
Check(ATT_IDTF, "parameter, '...', or ')'");
// type identifier?
C4V_Type t = C4V_Any;
if (SEqual(Idtf, C4AUL_TypeInt)) { t = C4V_Int; Shift(); }