UA21-041: Parameters completion handling of dotted call

Add a test

Author: AdrienBoulanger

source/ada/lsp-ada_completions-parameters.adb

@@ -106,6 +106,10 @@ package body LSP.Ada_Completions.Parameters is
          Params_Index   : Natural := Sort_Index;
          --  Index of the "Param of" completionItem, this is related
          --  to Sort_Index
+
+         Is_Dotted_Name : constant Boolean :=
+           (Name_Node.Kind in Ada_Dotted_Name_Range
+            and then Name_Node.As_Dotted_Name.P_Is_Dot_Call (True));
       begin
          for N of Self.Context.Find_All_Env_Elements (Name_Node) loop
             if N.Kind in Ada_Basic_Subp_Decl then
@@ -122,6 +126,8 @@ package body LSP.Ada_Completions.Parameters is
 
                   Spec           : constant Libadalang.Analysis.Base_Subp_Spec
                     := N.As_Basic_Decl.P_Subp_Spec_Or_Null;
+
+                  Is_First_Param : Boolean := True;
                begin
                   if Spec /= Libadalang.Analysis.No_Base_Subp_Spec
                     and then LSP.Lal_Utils.Match_Designators
@@ -135,7 +141,11 @@ package body LSP.Ada_Completions.Parameters is
                               Name      : constant LSP_String :=
                                 To_LSP_String (Name_Text);
                            begin
-                              if not Is_Present (Name_Text) then
+                              if not Is_Present (Name_Text)
+                                   and then
+                                     not (Is_First_Param
+                                          and then Is_Dotted_Name)
+                              then
                                  if Token_Kind in Ada_Par_Open | Ada_Comma
                                    or else
                                      LSP.Types.Starts_With
@@ -171,6 +181,7 @@ package body LSP.Ada_Completions.Parameters is
                                  Snippet_Index := Snippet_Index + 1;
                               end if;
                            end;
+                           Is_First_Param := False;
                         end loop;
                      end loop;
 

testsuite/ada_lsp/UA21-041.parameter_completion.dotted_call/bar.adb

@@ -0,0 +1,22 @@
+package body Bar is
+
+   -----------
+   -- Hello --
+   -----------
+
+   procedure Hello (A : Integer; B : Float) is
+   begin
+      null;
+   end Hello;
+
+   -----------
+   -- Hello --
+   -----------
+
+   procedure Hello (M : access My_Type; A : Integer; B : Float) is
+   begin
+      null;
+   end Hello;
+
+end Bar;
+

testsuite/ada_lsp/UA21-041.parameter_completion.dotted_call/bar.ads

@@ -0,0 +1,13 @@
+package Bar is
+
+   procedure Hello (A : Integer; B : Float);
+
+   type My_Type is tagged
+      record
+         B : Boolean;
+      end record;
+   type My_Access is access all My_Type;
+
+   procedure Hello (M : access My_Type; A : Integer; B : Float);
+
+end Bar;

testsuite/ada_lsp/UA21-041.parameter_completion.dotted_call/default.gpr

@@ -0,0 +1,3 @@
+project Default is
+   for Main use ("foo.adb");
+end Default;

testsuite/ada_lsp/UA21-041.parameter_completion.dotted_call/foo.adb

@@ -0,0 +1,11 @@
+with Bar; use Bar;
+
+procedure Foo is
+   M : My_Access := null;
+begin
+   Hello (M =>  , A =>  , B =>  )
+
+   Bar.Hello (M =>  , A =>  , B =>  )
+
+   M.Hello (A =>  , B =>  )
+end Foo;