TsParameter ParseTsParameter(ref TokenPointer tp)
{
var isParams = false;
if (tp.Value.Is(TokenTypes.ArgAny)) //...
{
isParams = true;
tp = tp.Next();
}
tp = tp.Verify(t => t.IsIdentifier());
var varName = tp;
TokenPointer optional = null;
tp = tp.Next();
if (tp.Value.IsOperator("?"))
{
optional = tp;
tp = tp.Next();
}
var node = new TsParameter {
Token = varName, Name = varName.Value.Text, IsOptional = optional != null, IsParams = isParams
};
if (!tp.Value.IsOperator(":"))
{
return(node); //allow Echo(s);
}
tp = tp.Verify(t => t.IsOperator(":")).Next();
node.Type = ParseTypeRef(ref tp);
//tp = tp.Next();
return(node);
}
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));
}
}
TsTypeDecl ParseClassOrInterface(ref TokenPointer tp)
{
var iface = new TsTypeDecl {
Token = tp,
};
if (tp.Value.IsIdentifier("interface"))
{
iface.Kind = TsTypeKind.Interface;
}
else if (tp.Value.IsIdentifier("class"))
{
iface.Kind = TsTypeKind.Class;
}
else
{
throw new Exception();
}
tp = tp.Next().Verify(t => t.IsIdentifier());
var typeName = tp;
iface.Name = typeName.Value.Text;
tp = tp.Next();
if (tp.Value.IsIdentifier("extends"))
{
iface.Extends.AddRange(ParseExtends(ref tp));
}
if (tp.Value.IsIdentifier("implements"))
{
tp = tp.Next();
iface.Implements.AddRange(ParseImplements(ref tp));
}
tp = ParseBracesAndMembers(tp, iface);
return(iface);
}
TsMemberDecl ParseVar(ref TokenPointer tp)
{
tp = tp.Next();
if (tp.Next(2).Value.IsOperator("{"))
{
var iface = new TsTypeDecl {
Token = tp, Name = tp.Value.Text, Kind = TsTypeKind.Anonymous
};
tp = tp.Next();
tp = tp.Next();
tp = ParseBracesAndMembers(tp, iface);
if (tp.Value != null && tp.Value.IsOperator(";"))
{
tp = tp.Next();
}
return(iface);
}
else
{
var prm = ParseTsParameter(ref tp);
tp = tp.Verify(t => t.IsOperator(";")).Next();
var decl = new TsVarDecl {
Token = prm.Token, Type = prm.Type, Name = prm.Name
};
return(decl);
}
}
TsMemberDecl ParseModuleMember(ref TokenPointer tp)
{
if (tp.Value.IsIdentifier("declare"))
{
tp = tp.Next(); //declare class Events {
}
if (tp.Value.IsIdentifier("function"))
{
tp = tp.Next();
var func = ParseTsFunction(ref tp);
return(func);
}
else if (tp.Value.IsIdentifier("interface"))
{
var iface2 = ParseClassOrInterface(ref tp);
return(iface2);
}
else if (tp.Value.IsIdentifier("class"))
{
var iface2 = ParseClassOrInterface(ref tp);
return(iface2);
}
else if (tp.Value.IsIdentifier("var"))
{
var varx = ParseVar(ref tp);
return(varx);
}
else
{
throw new Exception();
}
}
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);
}
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 SkipComments(TokenPointer tp)
{
while (tp.Value.Is(TokenTypes.Comments))
{
tp = tp.Next();
continue;
}
return(tp);
}
TsFieldDecl ParseTsField(ref TokenPointer tp)
{
var prm = ParseTsParameter(ref tp);
tp = tp.Verify(t => t.IsOperator(";")).Next();
return(new TsFieldDecl {
Token = prm.Token, Type = prm.Type, Name = prm.Name, IsOptional = prm.IsOptional
});
}
List <TsTypeRef> ParseExtends(ref TokenPointer tp)
{
var list = new List <TsTypeRef>();
while (tp.Value.IsIdentifier("extends") || tp.Value.IsOperator(","))
{
tp = tp.Next();
list.Add(ParseTypeRef(ref tp));
}
return(list);
}
TokenPointer ParseBracesAndMembers(TokenPointer tp, TsTypeDecl iface)
{
tp = tp.Verify(t => t.IsOperator("{")).Next();
while (!tp.Value.IsOperator("}"))
{
tp = SkipComments(tp);
var me = ParseTsMember(ref tp);
iface.Members.Add(me);
}
tp = tp.Verify(t => t.IsOperator("}")).Next();
return(tp);
}
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);
}
List <TsTypeRef> ParseImplements(ref TokenPointer tp)
{
var list = new List <TsTypeRef>();
while (true)
{
list.Add(ParseTypeRef(ref tp));
if (!tp.Value.IsOperator(","))
{
break;
}
tp = tp.Next();
}
return(list);
}
List <TsNode> Parse(List <Token> tokens)
{
var list = new List <TsNode>();
var tp = new TokenPointer(tokens, 0);
while (tp.Value != null)
{
var node = Parse(ref tp);
if (node != null)
{
list.Add(node);
}
}
return(list);
}
TsNode Parse(ref TokenPointer tp)
{
if (tp.Value.Is(TokenTypes.Comments))
{
tp = tp.Next();
return(null);
}
else if (tp.Value.IsIdentifier("declare"))
{
return(ParseDeclare(ref tp));
}
else if (tp.Value.IsIdentifier("interface"))
{
return(ParseClassOrInterface(ref tp));
}
var pos = tp.Value.Selection.Start.Position;
throw new Exception(pos + " : " + tp.Value.Selection.Start.GetLineText());
}
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);
}
TsNode ParseDeclare(ref TokenPointer tp)
{
tp = tp.Verify(t => t.IsIdentifier("declare")).Next();
if (tp.Value.IsIdentifier("var"))
{
return(ParseVar(ref tp));
}
else if (tp.Value.IsIdentifier("function"))
{
tp = tp.Next();
var func = ParseTsFunction(ref tp);
return(func);
}
else if (tp.Value.IsIdentifier("module"))
{
var module = new TsTypeDecl {
Token = tp, Kind = TsTypeKind.Module
};
tp = tp.Next();
if (tp.Value.Is(TokenTypes.StringLiteral))
{
module.Name = tp.Value.Text;
}
else if (tp.Value.IsIdentifier())
{
module.Name = tp.Value.Text;
}
else
{
throw new Exception();
}
tp = tp.Next().Verify(t => t.IsOperator("{")).Next();
while (!tp.Value.IsOperator("}"))
{
tp = SkipComments(tp);
if (tp.Value.IsIdentifier("import"))
{
var import = new TsImportDecl {
Token = tp
};
tp = tp.Next().Verify(t => t.IsIdentifier());
import.Name = tp.Value.Text;
tp = tp.Next();
tp = tp.Verify(t => t.IsOperator("=")).Next();
tp = tp.Verify(t => t.IsIdentifier("module")).Next();
tp = tp.Verify(t => t.IsOperator("(")).Next();
tp = tp.Verify(t => t.Is(TokenTypes.StringLiteral));
module.Type = new TsModuleTypeRef {
Name = tp.Value.Text
};
tp = tp.Next().Verify(t => t.IsOperator(")")).Next();
tp = tp.Verify(t => t.IsOperator(";")).Next();
module.Members.Add(import);
}
else if (tp.Value.IsIdentifier("export"))
{
tp = tp.Next();
var me = ParseModuleMember(ref tp);
module.Members.Add(me);
}
else
{
var me = ParseModuleMember(ref tp);
module.Members.Add(me);
}
}
tp = tp.Verify(t => t.IsOperator("}")).Next();
return(module);
}
else
{
throw new Exception();
}
}
