diff options
Diffstat (limited to 'gcc/ada/lib.adb')
| -rw-r--r-- | gcc/ada/lib.adb | 80 |
1 files changed, 69 insertions, 11 deletions
diff --git a/gcc/ada/lib.adb b/gcc/ada/lib.adb index 42d922fcc95..c5149bee3b0 100644 --- a/gcc/ada/lib.adb +++ b/gcc/ada/lib.adb @@ -6,7 +6,7 @@ -- -- -- B o d y -- -- -- --- Copyright (C) 1992-2010, Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2011, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- @@ -33,16 +33,18 @@ pragma Style_Checks (All_Checks); -- Subprogram ordering not enforced in this unit -- (because of some logical groupings). -with Atree; use Atree; -with Einfo; use Einfo; -with Fname; use Fname; -with Output; use Output; -with Sinfo; use Sinfo; -with Sinput; use Sinput; -with Stand; use Stand; -with Stringt; use Stringt; -with Tree_IO; use Tree_IO; -with Uname; use Uname; +with Atree; use Atree; +with Csets; use Csets; +with Einfo; use Einfo; +with Fname; use Fname; +with Output; use Output; +with Sinfo; use Sinfo; +with Sinput; use Sinput; +with Stand; use Stand; +with Stringt; use Stringt; +with Tree_IO; use Tree_IO; +with Uname; use Uname; +with Widechar; use Widechar; package body Lib is @@ -478,6 +480,62 @@ package body Lib is return Check_Same_Extended_Unit (S1, S2) = Yes_Before; end Earlier_In_Extended_Unit; + ----------------------- + -- Exact_Source_Name -- + ----------------------- + + function Exact_Source_Name (Loc : Source_Ptr) return String is + U : constant Unit_Number_Type := Get_Source_Unit (Loc); + Buf : constant Source_Buffer_Ptr := Source_Text (Source_Index (U)); + Orig : constant Source_Ptr := Original_Location (Loc); + P : Source_Ptr; + + WC : Char_Code; + Err : Boolean; + pragma Warnings (Off, WC); + pragma Warnings (Off, Err); + + begin + -- Entity is character literal + + if Buf (Orig) = ''' then + return String (Buf (Orig .. Orig + 2)); + + -- Entity is operator symbol + + elsif Buf (Orig) = '"' or else Buf (Orig) = '%' then + P := Orig; + + loop + P := P + 1; + exit when Buf (P) = Buf (Orig); + end loop; + + return String (Buf (Orig .. P)); + + -- Entity is identifier + + else + P := Orig; + + loop + if Is_Start_Of_Wide_Char (Buf, P) then + Scan_Wide (Buf, P, WC, Err); + elsif not Identifier_Char (Buf (P)) then + exit; + else + P := P + 1; + end if; + end loop; + + -- Write out the identifier by copying the exact source characters + -- used in its declaration. Note that this means wide characters will + -- be in their original encoded form. + + return String (Buf (Orig .. P - 1)); + end if; + end Exact_Source_Name; + ---------------------------- -- Entity_Is_In_Main_Unit -- ---------------------------- |
