fix(aliases): Improve file value

handlers/aliases/analyzer/value_valid.go

@@ -124,6 +124,23 @@ func checkValue(
 				Err:   ers.New("An error message is required"),
 			}}
 		}
+	case ast.AliasValueInclude:
+		incldueValue := value.(ast.AliasValueInclude)
+
+		if incldueValue.Path == nil {
+			return []common.LSPError{{
+				Range: incldueValue.Location,
+				Err:   ers.New("A path is required"),
+			}}
+		}
+
+		// Again, I'm not sure if the path really needs to be absolute
+		if !path.IsAbs(string(incldueValue.Path.Path)) {
+			return []common.LSPError{{
+				Range: incldueValue.Path.Location,
+				Err:   ers.New("This path must be absolute"),
+			}}
+		}
 	}
 	return nil
 }

handlers/aliases/ast/listener.go

@@ -101,7 +101,7 @@ func (s *aliasesParserListener) EnterFile(ctx *parser.FileContext) {
 
 		// Set the path
 		include := rawValue.(AliasValueInclude)
-		include.Path = AliasValueIncludePath{
+		include.Path = &AliasValueIncludePath{
 			Location: location,
 			Path:     path(ctx.GetText()),
 		}

handlers/aliases/ast/values.go

@@ -66,7 +66,7 @@ type AliasValueIncludePath struct {
 
 type AliasValueInclude struct {
 	AliasValue
-	Path AliasValueIncludePath
+	Path *AliasValueIncludePath
 }
 
 func (a AliasValueInclude) CheckIsValid() []common.LSPError {