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Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-valwch.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-valwch.adb | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-valwch.adb b/gcc-4.4.3/gcc/ada/s-valwch.adb deleted file mode 100644 index fd573f88a..000000000 --- a/gcc-4.4.3/gcc/ada/s-valwch.adb +++ /dev/null @@ -1,177 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- S Y S T E M . V A L _ W C H A R -- --- -- --- B o d y -- --- -- --- Copyright (C) 1992-2009, 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- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -with Interfaces; use Interfaces; -with System.Val_Util; use System.Val_Util; -with System.WCh_Cnv; use System.WCh_Cnv; -with System.WCh_Con; use System.WCh_Con; - -package body System.Val_WChar is - - -------------------------- - -- Value_Wide_Character -- - -------------------------- - - function Value_Wide_Character - (Str : String; - EM : System.WCh_Con.WC_Encoding_Method) return Wide_Character - is - WC : constant Wide_Wide_Character := Value_Wide_Wide_Character (Str, EM); - WV : constant Unsigned_32 := Wide_Wide_Character'Pos (WC); - begin - if WV > 16#FFFF# then - raise Constraint_Error with - "out of range character for Value attribute"; - else - return Wide_Character'Val (WV); - end if; - end Value_Wide_Character; - - ------------------------------- - -- Value_Wide_Wide_Character -- - ------------------------------- - - function Value_Wide_Wide_Character - (Str : String; - EM : System.WCh_Con.WC_Encoding_Method) return Wide_Wide_Character - is - F : Natural; - L : Natural; - S : String (Str'Range) := Str; - - begin - Normalize_String (S, F, L); - - -- Character literal case - - if S (F) = ''' and then S (L) = ''' then - - -- Must be at least three characters - - if L - F < 2 then - raise Constraint_Error; - - -- If just three characters, simple character case - - elsif L - F = 2 then - return Wide_Wide_Character'Val (Character'Pos (S (F + 1))); - - -- Only other possibility for quoted string is wide char sequence - - else - declare - P : Natural; - W : Wide_Wide_Character; - - function In_Char return Character; - -- Function for instantiations of Char_Sequence_To_UTF_32 - - ------------- - -- In_Char -- - ------------- - - function In_Char return Character is - begin - P := P + 1; - - if P = Str'Last then - raise Constraint_Error; - end if; - - return Str (P); - end In_Char; - - function UTF_32 is - new Char_Sequence_To_UTF_32 (In_Char); - - begin - P := F + 1; - - -- Brackets encoding - - if S (F + 1) = '[' then - W := Wide_Wide_Character'Val (UTF_32 ('[', WCEM_Brackets)); - - else - W := Wide_Wide_Character'Val (UTF_32 (S (F + 1), EM)); - end if; - - if P /= L - 1 then - raise Constraint_Error; - end if; - - return W; - end; - end if; - - -- Deal with Hex_hhhhhhhh cases for wide_[wide_]character cases - - elsif Str'Length = 12 - and then Str (Str'First .. Str'First + 3) = "Hex_" - then - declare - W : Unsigned_32 := 0; - - begin - for J in Str'First + 4 .. Str'First + 11 loop - W := W * 16 + Character'Pos (Str (J)); - - if Str (J) in '0' .. '9' then - W := W - Character'Pos ('0'); - elsif Str (J) in 'A' .. 'F' then - W := W - Character'Pos ('A') + 10; - elsif Str (J) in 'a' .. 'f' then - W := W - Character'Pos ('a') + 10; - else - raise Constraint_Error; - end if; - end loop; - - if W > 16#7FFF_FFFF# then - raise Constraint_Error; - else - return Wide_Wide_Character'Val (W); - end if; - end; - - -- Otherwise must be one of the special names for Character - - else - return - Wide_Wide_Character'Val (Character'Pos (Character'Value (Str))); - end if; - - exception - when Constraint_Error => - raise Constraint_Error with "invalid string for value attribute"; - end Value_Wide_Wide_Character; - -end System.Val_WChar; |