TsFunctionDecl ParseTsFunction(ref TokenPointer tp)
{
var func = new TsFunctionDecl {
Token = tp
};
if (tp.Value.IsIdentifier("static")) // static extend(properties: any, classProperties?: any): any;
{
func.IsStatic = true;
tp = tp.Next();
}
if (tp.Value.IsIdentifier()) //doesn't happen at: export function (booleanValue: bool, message?: string);
{
func.Name = tp.Value.Text;
tp = tp.Next();
}
TokenPointer optional = null;
if (tp.Value.IsOperator("?"))
{
optional = tp;
tp = tp.Next();
func.IsOptional = true;
}
tp = ParseBracketParametersAndReturnType(tp, func, "(", ")");
return(func);
}
TsMemberDecl ParseTsMember(ref TokenPointer tp)
{
if (tp.Value.IsOperator("["))
{
return(ParseTsIndexer(ref tp));
}
else if (tp.Value.IsOperator("("))
{
var func = new TsFunctionDecl();
tp = ParseBracketParametersAndReturnType(tp, func, "(", ")");
return(func);
}
tp = tp.Verify(t => t.IsIdentifier());
if (tp.Next().Value.IsOperator(";")) //export function listeners(event: string): { Function; }[];
{
return(ParseTsField(ref tp));
}
else if (tp.Next().Value.IsOperator(":") || tp.Next(2).Value.IsOperator(":"))
{
return(ParseTsField(ref tp));
}
else
{
return(ParseTsFunction(ref tp));
}
}
TsTypeRef ParseTypeRef(ref TokenPointer tp)
{
TsTypeRef tr;
if (tp.Value.IsOperator("("))
{
//delegate
var func = new TsFunctionDecl {
IsDelegate = true
};
tp = ParseBracketParameters(tp, func, "(", ")");
tp = tp.Verify(t => t.Is(TokenTypes.LambdaOperator)).Next(); //=>
func.Type = ParseTypeRef(ref tp);
tr = new TsDelegateTypeRef {
Decl = func
};
}
else if (tp.Value.IsOperator("{"))
{
var tr2 = new TsInterfaceDeclRef {
Token = tp, Decl = new TsTypeDecl()
};
tp = ParseBracesAndMembers(tp, tr2.Decl);
tr = tr2;
}
else
{
tp = tp.Verify(t => t.IsIdentifier());
var typeRef = new TsNamedTypeRef {
Token = tp, Name = tp.Value.Text
};
tr = typeRef;
tp = tp.Next();
var previous = typeRef;
while (tp.Value.IsOperator("."))
{
tp = tp.Next().Verify(t => t.IsIdentifier());
var me = new TsMemberTypeRef {
Name = tp.Value.Text, Previous = previous
};
previous = me;
tr = me;
tp = tp.Next();
}
}
if (tp.Value.IsOperator("[") && tp.Next().Value.IsOperator("]"))
{
tp = tp.Next();
tp = tp.Next();
tr.IsArray = true;
}
if (tp.Value.IsOperator("[") && tp.Next().Value.IsOperator("]"))
{
tp = tp.Next();
tp = tp.Next();
tr.IsDoubleArray = true;
}
return(tr);
}
TsFunctionDecl ParseTsIndexer(ref TokenPointer tp)
{
var func = new TsFunctionDecl {
IsIndexer = true
};
tp = ParseBracketParametersAndReturnType(tp, func, "[", "]");
return(func);
}
TokenPointer ParseBracketParametersAndReturnType(TokenPointer tp, TsFunctionDecl func, string openBracket, string closeBracket)
{
tp = ParseBracketParameters(tp, func, openBracket, closeBracket);
if (tp.Value.IsOperator(":"))
{
tp = tp.Next();
func.Type = ParseTypeRef(ref tp);
}
tp = tp.Verify(t => t.IsOperator(";")).Next();
return(tp);
}
TokenPointer ParseBracketParameters(TokenPointer tp, TsFunctionDecl func, string openBracket, string closeBracket)
{
tp = tp.Verify(t => t.IsOperator(openBracket)).Next();
if (!tp.Value.IsOperator(closeBracket))
{
while (true)
{
var prm = ParseTsParameter(ref tp);
func.Parameters.Add(prm);
if (!tp.Value.IsOperator(","))
{
break;
}
tp = tp.Next();
}
}
tp = tp.Verify(t => t.IsOperator(closeBracket)).Next();
return(tp);
}
