//////////////////////////////////////////////////////////////////////////
private ScriptScope ParseFunction(ref List<ScriptToken>.Enumerator TokenEnum)
{
ScriptToken Token = TokenEnum.Current;
if(Token==null) return null;
// setup function
ScriptFunction Func = new ScriptFunction();
Func.Signature = Token.Value + " ";
Func.Line = Token.OrigLine;
Func.Filename = Token.Filename;
switch(Token.Value)
{
case "function":
Func.Type = ScriptFunctionType.Function;
break;
case "method":
Func.Type = ScriptFunctionType.Method;
break;
case "external":
Func.Type = ScriptFunctionType.External;
break;
default:
Func.Type = ScriptFunctionType.Unknown;
break;
}
// setup scope
ScriptScope Scope = new ScriptScope();
Scope.Owner = Func;
Scope.StartLine = Token.StartLine;
Scope.StartCol = Token.StartCol;
bool ReadingName = true;
bool ReadingParams = false;
while (TokenEnum.MoveNext())
{
Token = TokenEnum.Current;
if (Token.IsComment) continue;
if (ReadingName)
{
if (!Token.IsIdentifier)
{
if(Func.Type==ScriptFunctionType.External)
{
Func.Signature += Token.Value + " ";
}
else return null;
}
else
{
Func.Name = Token.Value;
Func.Signature += Token.Value;
ReadingName = false;
}
}
else if(ReadingParams)
{
if (Token.IsOperator && Token.Value == ")")
{
Func.Signature += Token.Value;
break;
}
else if(Token.IsOperator && Token.Value==",")
{
Func.Signature += Token.Value + " ";
}
else
{
ScriptVariable Var = ParseVariable(ref TokenEnum, true);
if (Var == null) return null;
else
{
Func.Signature += Var.Signature;
Func.Params.Add(Var.Signature);
if(Var.Name!="") Scope.Variables.Add(Var);
// hack because of unnamed external's parameters
Token = TokenEnum.Current;
if(Token.IsOperator && Token.Value==")")
{
Func.Signature += Token.Value;
break;
}
}
}
}
else
{
if (Token.IsOperator && Token.Value == "(")
{
ReadingParams = true;
Func.Signature += Token.Value;
}
else return null;
}
}
Functions.Add(Func);
return Scope;
}
//////////////////////////////////////////////////////////////////////////
private ScriptScope ParseFunction(ref List <ScriptToken> .Enumerator TokenEnum)
{
ScriptToken Token = TokenEnum.Current;
if (Token == null)
{
return(null);
}
// setup function
ScriptFunction Func = new ScriptFunction();
Func.Signature = Token.Value + " ";
Func.Line = Token.OrigLine;
Func.Filename = Token.Filename;
switch (Token.Value)
{
case "function":
Func.Type = ScriptFunctionType.Function;
break;
case "method":
Func.Type = ScriptFunctionType.Method;
break;
case "external":
Func.Type = ScriptFunctionType.External;
break;
default:
Func.Type = ScriptFunctionType.Unknown;
break;
}
// setup scope
ScriptScope Scope = new ScriptScope();
Scope.Owner = Func;
Scope.StartLine = Token.StartLine;
Scope.StartCol = Token.StartCol;
bool ReadingName = true;
bool ReadingParams = false;
while (TokenEnum.MoveNext())
{
Token = TokenEnum.Current;
if (Token.IsComment)
{
continue;
}
if (ReadingName)
{
if (!Token.IsIdentifier)
{
if (Func.Type == ScriptFunctionType.External)
{
Func.Signature += Token.Value + " ";
}
else
{
return(null);
}
}
else
{
Func.Name = Token.Value;
Func.Signature += Token.Value;
ReadingName = false;
}
}
else if (ReadingParams)
{
if (Token.IsOperator && Token.Value == ")")
{
Func.Signature += Token.Value;
break;
}
else if (Token.IsOperator && Token.Value == ",")
{
Func.Signature += Token.Value + " ";
}
else
{
ScriptVariable Var = ParseVariable(ref TokenEnum, true);
if (Var == null)
{
return(null);
}
else
{
Func.Signature += Var.Signature;
Func.Params.Add(Var.Signature);
if (Var.Name != "")
{
Scope.Variables.Add(Var);
}
// hack because of unnamed external's parameters
Token = TokenEnum.Current;
if (Token.IsOperator && Token.Value == ")")
{
Func.Signature += Token.Value;
break;
}
}
}
}
else
{
if (Token.IsOperator && Token.Value == "(")
{
ReadingParams = true;
Func.Signature += Token.Value;
}
else
{
return(null);
}
}
}
Functions.Add(Func);
return(Scope);
}