From 5c398db1b18a346cf2cb25acac07b068ccd7deee Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Wed, 11 Mar 2020 18:59:09 +0100
Subject: vhdl-sem_lib: also disable warnings when parsing

---
 src/vhdl/vhdl-sem_lib.adb | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/src/vhdl/vhdl-sem_lib.adb b/src/vhdl/vhdl-sem_lib.adb
index 35e92f93d..2197c6b5e 100644
--- a/src/vhdl/vhdl-sem_lib.adb
+++ b/src/vhdl/vhdl-sem_lib.adb
@@ -337,6 +337,7 @@ package body Vhdl.Sem_Lib is
    is
       Prev_Nbr_Errors : Natural;
       Warnings : Warnings_Setting;
+      Error : Boolean;
    begin
       if Get_Date (Design_Unit) = Date_Replacing then
          Error_Msg_Sem (+Loc, "circular reference of %n", +Design_Unit);
@@ -348,10 +349,17 @@ package body Vhdl.Sem_Lib is
       Prev_Nbr_Errors := Errorout.Nbr_Errors;
       Errorout.Nbr_Errors := 0;
 
+      --  Disable all warnings.  Warnings are emitted only when the unit
+      --  is analyzed.
+      Save_Warnings_Setting (Warnings);
+      Disable_All_Warnings;
+
       if Get_Date_State (Design_Unit) = Date_Disk then
          Load_Parse_Design_Unit (Design_Unit, Loc);
       end if;
 
+      Error := False;
+
       if Get_Date_State (Design_Unit) = Date_Parse then
          --  Analyze the design unit.
 
@@ -364,31 +372,30 @@ package body Vhdl.Sem_Lib is
          --  Avoid infinite recursion, if the unit is self-referenced.
          Set_Date_State (Design_Unit, Date_Analyze);
 
-         --  Disable all warnings.  Warnings are emitted only when the unit
-         --  is analyzed.
-         Save_Warnings_Setting (Warnings);
-         Disable_All_Warnings;
-
          --  Analyze unit.
          Finish_Compilation (Design_Unit);
 
-         --  Restore warnings.
-         Restore_Warnings_Setting (Warnings);
-
          --  Check if one of its dependency makes this unit obsolete.
          --  FIXME: to do when the dependency is added ?
          if not Flags.Flag_Elaborate_With_Outdated
            and then Check_Obsolete_Dependence (Design_Unit, Loc)
          then
             Set_Date (Design_Unit, Date_Obsolete);
-            Errorout.Nbr_Errors := Prev_Nbr_Errors + Errorout.Nbr_Errors;
-            return;
+            Error := True;
          end if;
       end if;
 
       --  Restore nbr_errors (accumulate).
       Errorout.Nbr_Errors := Prev_Nbr_Errors + Errorout.Nbr_Errors;
 
+      --  Restore warnings.
+      Restore_Warnings_Setting (Warnings);
+
+      if Error then
+         --  Return now in case of analyze error.
+         return;
+      end if;
+
       case Get_Date (Design_Unit) is
          when Date_Parsed =>
             raise Internal_Error;
-- 
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