Expanded UFCS functionality, to chain UFCS functions.

README.md

@@ -36,8 +36,9 @@ the issue.)
 	* *auto* declarations (Mostly)
 	* *with* statements
 	* Simple UFCS suggestions for concrete types and fundamental types.
+	* Dot chaining with other UFCS functions
 * Not working:
-	* UFCS completion for templates, literals, aliased types, UFCS function arguments, and '.' chaining with other UFCS functions.
+	* UFCS completion for templates, literals, aliased types, UFCS function arguments.
 	* UFCS calltips
 	* Autocompletion of declarations with template arguments (This will work to some extent, but it won't do things like replace T with int)
 	* Determining the type of an enum member when no base type is specified, but the first member has an initializer

dsymbol/src/dsymbol/conversion/first.d

@@ -132,6 +132,14 @@ final class FirstPass : ASTVisitor
 		currentSymbol.acSymbol.protection = protection.current;
 		currentSymbol.acSymbol.doc = makeDocumentation(dec.comment);
 		currentSymbol.acSymbol.qualifier = SymbolQualifier.func;
+		foreach (sc; dec.storageClasses)
+		{
+			if (sc.token.type == tok!"ref")
+			{
+				currentSymbol.acSymbol.returnIsRef = true;
+				break;
+			}
+		}
 
 		istring lastComment = this.lastComment;
 		this.lastComment = istring.init;
@@ -172,6 +180,11 @@ final class FirstPass : ASTVisitor
 			block.startLocation, null);
 		scope(exit) popSymbol();
 
+		if (exp.returnRefType == ReturnRefType.ref_)
+		{
+			currentSymbol.acSymbol.returnIsRef = true;
+		}
+
 		pushScope(block.startLocation, block.endLocation);
 		scope (exit) popScope();
 		processParameters(currentSymbol, exp.returnType,

dsymbol/src/dsymbol/symbol.d

@@ -443,7 +443,8 @@ struct DSymbol
 		bool, "_flag8", 1,
 		bool, "_flag9", 1,
 		bool, "_flag10", 1,
-		uint, "", 3,
+		bool, "_flag11", 1,
+		uint, "", 2,
 	));
 	// dfmt on
 
@@ -463,6 +464,8 @@ struct DSymbol
 	alias parameterIsOut = _flag9;
 	/// Only valid for parameters: the parameter has storage class `in`
 	alias parameterIsIn = _flag10;
+	/// If the return type is a ref
+	alias returnIsRef = _flag11;
 
 	deprecated bool isPointer()
 	{