Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/g-regpat.ads @ 111:04ced10e8804
gcc 7
| author | kono |
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| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 ------------------------------------------------------------------------------ | |
| 2 -- -- | |
| 3 -- GNAT LIBRARY COMPONENTS -- | |
| 4 -- -- | |
| 5 -- G N A T . R E G P A T -- | |
| 6 -- -- | |
| 7 -- S p e c -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1986 by University of Toronto. -- | |
| 10 -- Copyright (C) 1996-2017, AdaCore -- | |
| 11 -- -- | |
| 12 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 13 -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 14 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 17 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 18 -- -- | |
| 19 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 20 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 21 -- version 3.1, as published by the Free Software Foundation. -- | |
| 22 -- -- | |
| 23 -- You should have received a copy of the GNU General Public License and -- | |
| 24 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 25 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 26 -- <http://www.gnu.org/licenses/>. -- | |
| 27 -- -- | |
| 28 -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 29 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 30 -- -- | |
| 31 ------------------------------------------------------------------------------ | |
| 32 | |
| 33 -- This package implements roughly the same set of regular expressions as | |
| 34 -- are available in the Perl or Python programming languages. | |
| 35 | |
| 36 -- This is an extension of the original V7 style regular expression library | |
| 37 -- written in C by Henry Spencer. Apart from the translation to Ada, the | |
| 38 -- interface has been considerably changed to use the Ada String type | |
| 39 -- instead of C-style nul-terminated strings. | |
| 40 | |
| 41 -- See file s-regpat.ads for full documentation of the interface | |
| 42 | |
| 43 ------------------------------------------------------------ | |
| 44 -- Summary of Pattern Matching Packages in GNAT Hierarchy -- | |
| 45 ------------------------------------------------------------ | |
| 46 | |
| 47 -- There are three related packages that perform pattern matching functions. | |
| 48 -- the following is an outline of these packages, to help you determine | |
| 49 -- which is best for your needs. | |
| 50 | |
| 51 -- GNAT.Regexp (files g-regexp.ads/s-regexp.ads/s-regexp.adb) | |
| 52 -- This is a simple package providing Unix-style regular expression | |
| 53 -- matching with the restriction that it matches entire strings. It | |
| 54 -- is particularly useful for file name matching, and in particular | |
| 55 -- it provides "globbing patterns" that are useful in implementing | |
| 56 -- unix or DOS style wild card matching for file names. | |
| 57 | |
| 58 -- GNAT.Regpat (files g-regpat.ads/s-regpat.ads/s-regpat.adb) | |
| 59 -- This is a more complete implementation of Unix-style regular | |
| 60 -- expressions, copied from the Perl regular expression engine, | |
| 61 -- written originally in C by Henry Spencer. It is functionally the | |
| 62 -- same as that library. | |
| 63 | |
| 64 -- GNAT.Spitbol.Patterns (files g-spipat.ads/g-spipat.adb) | |
| 65 -- This is a completely general pattern matching package based on the | |
| 66 -- pattern language of SNOBOL4, as implemented in SPITBOL. The pattern | |
| 67 -- language is modeled on context free grammars, with context sensitive | |
| 68 -- extensions that provide full (type 0) computational capabilities. | |
| 69 | |
| 70 with System.Regpat; | |
| 71 | |
| 72 package GNAT.Regpat renames System.Regpat; |