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Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-wchcnv.ads')
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1 files changed, 0 insertions, 118 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-wchcnv.ads b/gcc-4.4.0/gcc/ada/s-wchcnv.ads deleted file mode 100644 index 6b7abe561..000000000 --- a/gcc-4.4.0/gcc/ada/s-wchcnv.ads +++ /dev/null @@ -1,118 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M . W C H _ C N V -- --- -- --- S p e c -- --- -- --- 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. -- --- -- ------------------------------------------------------------------------------- - --- This package contains generic subprograms used for converting between --- sequences of Character and Wide_Character. Wide_Wide_Character values --- are also handled, but represented using integer range types defined in --- this package, so that this package can be used from applications that --- are restricted to Ada 95 compatibility (such as the compiler itself). - --- All the algorithms for encoding and decoding are isolated in this package --- and in System.WCh_JIS and should not be duplicated elsewhere. The only --- exception to this is that GNAT.Decode_String and GNAT.Encode_String have --- their own circuits for UTF-8 conversions, for improved efficiency. - --- This unit may be used directly from an application program by providing --- an appropriate WITH, and the interface can be expected to remain stable. - -pragma Warnings (Off); -pragma Compiler_Unit; -pragma Warnings (On); - -with System.WCh_Con; - -package System.WCh_Cnv is - pragma Pure; - - type UTF_32_Code is range 0 .. 16#7FFF_FFFF#; - for UTF_32_Code'Size use 32; - -- Range of allowed UTF-32 encoding values - - type UTF_32_String is array (Positive range <>) of UTF_32_Code; - - generic - with function In_Char return Character; - function Char_Sequence_To_Wide_Char - (C : Character; - EM : System.WCh_Con.WC_Encoding_Method) return Wide_Character; - -- C is the first character of a sequence of one or more characters which - -- represent a wide character sequence. Calling the function In_Char for - -- additional characters as required, Char_To_Wide_Char returns the - -- corresponding wide character value. Constraint_Error is raised if the - -- sequence of characters encountered is not a valid wide character - -- sequence for the given encoding method. - -- - -- Note on the use of brackets encoding (WCEM_Brackets). The brackets - -- encoding method is ambiguous in the context of this function, since - -- there is no way to tell if ["1234"] is eight unencoded characters or - -- one encoded character. In the context of Ada sources, any sequence - -- starting [" must be the start of an encoding (since that sequence is - -- not valid in Ada source otherwise). The routines in this package use - -- the same approach. If the input string contains the sequence [" then - -- this is assumed to be the start of a brackets encoding sequence, and - -- if it does not match the syntax, an error is raised. - - generic - with function In_Char return Character; - function Char_Sequence_To_UTF_32 - (C : Character; - EM : System.WCh_Con.WC_Encoding_Method) return UTF_32_Code; - -- This is similar to the above, but the function returns a code from - -- the full UTF_32 code set, which covers the full range of possible - -- values in Wide_Wide_Character. The result can be converted to - -- Wide_Wide_Character form using Wide_Wide_Character'Val. - - generic - with procedure Out_Char (C : Character); - procedure Wide_Char_To_Char_Sequence - (WC : Wide_Character; - EM : System.WCh_Con.WC_Encoding_Method); - -- Given a wide character, converts it into a sequence of one or - -- more characters, calling the given Out_Char procedure for each. - -- Constraint_Error is raised if the given wide character value is - -- not a valid value for the given encoding method. - -- - -- Note on brackets encoding (WCEM_Brackets). For the input routines above, - -- upper half characters can be represented as ["hh"] but this procedure - -- will only use brackets encodings for codes higher than 16#FF#, so upper - -- half characters will be output as single Character values. - - generic - with procedure Out_Char (C : Character); - procedure UTF_32_To_Char_Sequence - (Val : UTF_32_Code; - EM : System.WCh_Con.WC_Encoding_Method); - -- This is similar to the above, but the input value is a code from the - -- full UTF_32 code set, which covers the full range of possible values - -- in Wide_Wide_Character. To convert a Wide_Wide_Character value, the - -- caller can use Wide_Wide_Character'Pos in the call. - -end System.WCh_Cnv; |