From 441546edcfbb1b346c87b69c5f578d1a0e522e06 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Jul 2008 07:36:34 +0000
Subject: add tag v1_8_6_269

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_1_8_6/regex.h | 221 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 221 insertions(+)
 create mode 100644 ruby_1_8_6/regex.h

(limited to 'ruby_1_8_6/regex.h')

diff --git a/ruby_1_8_6/regex.h b/ruby_1_8_6/regex.h
new file mode 100644
index 0000000000..88868e2b4c
--- /dev/null
+++ b/ruby_1_8_6/regex.h
@@ -0,0 +1,221 @@
+/* Definitions for data structures and routines for the regular
+   expression library, version 0.12.
+   Copyright (C) 1985,89,90,91,92,93,95,96,97,98 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.  Its master source is NOT part of
+   the C library, however.  The master source lives in /gd/gnu/lib.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file LGPL.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+/* Multi-byte extension added May, 1993 by t^2 (Takahiro Tanimoto)
+   Last change: May 21, 1993 by t^2  */
+/* modified for Ruby by matz@netlab.co.jp */
+
+#ifndef REGEX_H
+#define REGEX_H
+
+/* symbol mangling for ruby */
+#ifdef RUBY
+# define re_adjust_startpos ruby_re_adjust_startpos
+# define re_compile_fastmap ruby_re_compile_fastmap
+# define re_compile_pattern ruby_re_compile_pattern
+# define re_copy_registers ruby_re_copy_registers
+# define re_free_pattern ruby_re_free_pattern
+# define re_free_registers ruby_re_free_registers
+# define re_match ruby_re_match
+# define re_mbcinit ruby_re_mbcinit
+# define re_search ruby_re_search
+# define re_set_casetable ruby_re_set_casetable
+# define register_info_type ruby_register_info_type
+#endif
+
+#include <stddef.h>
+
+/* Define number of parens for which we record the beginnings and ends.
+   This affects how much space the `struct re_registers' type takes up.  */
+#ifndef RE_NREGS
+#define RE_NREGS 10
+#endif
+
+#define BYTEWIDTH 8
+
+#define RE_REG_MAX ((1<<BYTEWIDTH)-1)
+
+/* Maximum number of duplicates an interval can allow.  */
+#ifndef RE_DUP_MAX
+#define RE_DUP_MAX  ((1 << 15) - 1) 
+#endif
+
+
+/* If this bit is set, then character classes are supported; they are:
+     [:alpha:],	[:upper:], [:lower:],  [:digit:], [:alnum:], [:xdigit:],
+     [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
+   If not set, then character classes are not supported.  */
+#define RE_CHAR_CLASSES (1L << 9)
+
+/* match will be done case insensetively */
+#define RE_OPTION_IGNORECASE (1L)
+/* perl-style extended pattern available */
+#define RE_OPTION_EXTENDED   (RE_OPTION_IGNORECASE<<1)
+/* newline will be included for . */
+#define RE_OPTION_MULTILINE  (RE_OPTION_EXTENDED<<1)
+/* ^ and $ ignore newline */
+#define RE_OPTION_SINGLELINE (RE_OPTION_MULTILINE<<1)
+/* search for longest match, in accord with POSIX regexp */
+#define RE_OPTION_LONGEST    (RE_OPTION_SINGLELINE<<1)
+
+#define RE_MAY_IGNORECASE    (RE_OPTION_LONGEST<<1)
+#define RE_OPTIMIZE_ANCHOR   (RE_MAY_IGNORECASE<<1)
+#define RE_OPTIMIZE_EXACTN   (RE_OPTIMIZE_ANCHOR<<1)
+#define RE_OPTIMIZE_NO_BM    (RE_OPTIMIZE_EXACTN<<1)
+#define RE_OPTIMIZE_BMATCH   (RE_OPTIMIZE_NO_BM<<1)
+
+/* For multi-byte char support */
+#define MBCTYPE_ASCII 0
+#define MBCTYPE_EUC 1
+#define MBCTYPE_SJIS 2
+#define MBCTYPE_UTF8 3
+
+extern
+#if defined _WIN32 && !defined __GNUC__ && !defined RUBY_EXPORT
+__declspec(dllimport)
+# endif
+const unsigned char *re_mbctab;
+#if defined(__STDC__)
+void re_mbcinit (int);
+#else
+void re_mbcinit ();
+#endif
+
+#undef ismbchar
+#define ismbchar(c) re_mbctab[(unsigned char)(c)]
+#define mbclen(c)   (re_mbctab[(unsigned char)(c)]+1)
+
+/* Structure used in re_match() */
+
+typedef union
+{
+  unsigned char *word;
+  struct {
+    unsigned is_active : 1;
+    unsigned matched_something : 1;
+  } bits;
+} register_info_type;
+
+/* This data structure is used to represent a compiled pattern.  */
+
+struct re_pattern_buffer
+  {
+    char *buffer;	/* Space holding the compiled pattern commands.  */
+    int allocated;	/* Size of space that `buffer' points to. */
+    int used;		/* Length of portion of buffer actually occupied  */
+    char *fastmap;	/* Pointer to fastmap, if any, or zero if none.  */
+			/* re_search uses the fastmap, if there is one,
+			   to skip over totally implausible characters.  */
+    char *must;	        /* Pointer to exact pattern which strings should have
+			   to be matched.  */
+    int *must_skip;     /* Pointer to exact pattern skip table for bm_search */
+    long options;	/* Flags for options such as extended_pattern. */
+    long re_nsub;	/* Number of subexpressions found by the compiler. */
+    char fastmap_accurate;
+			/* Set to zero when a new pattern is stored,
+			   set to one when the fastmap is updated from it.  */
+    char can_be_null;   /* Set to one by compiling fastmap
+			   if this pattern might match the null string.
+			   It does not necessarily match the null string
+			   in that case, but if this is zero, it cannot.
+			   2 as value means can match null string
+			   but at end of range or before a character
+			   listed in the fastmap.  */
+
+    /* stack & working area for re_match() */
+    unsigned char **regstart;
+    unsigned char **regend;
+    unsigned char **old_regstart;
+    unsigned char **old_regend;
+    register_info_type *reg_info;
+    unsigned char **best_regstart;
+    unsigned char **best_regend;
+  };
+
+typedef struct re_pattern_buffer regex_t;
+
+/* Structure to store register contents data in.
+
+   Pass the address of such a structure as an argument to re_match, etc.,
+   if you want this information back.
+
+   For i from 1 to RE_NREGS - 1, start[i] records the starting index in
+   the string of where the ith subexpression matched, and end[i] records
+   one after the ending index.  start[0] and end[0] are analogous, for
+   the entire pattern.  */
+
+struct re_registers
+  {
+    int allocated;
+    int num_regs;
+    int *beg;
+    int *end;
+  };
+
+/* Type for byte offsets within the string.  POSIX mandates this.  */
+typedef size_t regoff_t;
+
+/* POSIX specification for registers.  Aside from the different names than
+   `re_registers', POSIX uses an array of structures, instead of a
+   structure of arrays.  */
+typedef struct
+{
+  regoff_t rm_so;  /* Byte offset from string's start to substring's start.  */
+  regoff_t rm_eo;  /* Byte offset from string's start to substring's end.  */
+} regmatch_t;
+
+#ifdef __STDC__
+
+extern char *re_compile_pattern (const char *, int, struct re_pattern_buffer *);
+void re_free_pattern (struct re_pattern_buffer *);
+/* Is this really advertised?  */
+extern int re_adjust_startpos (struct re_pattern_buffer *, const char*, int, int, int);
+extern void re_compile_fastmap (struct re_pattern_buffer *);
+extern int re_search (struct re_pattern_buffer *, const char*, int, int, int,
+		      struct re_registers *);
+extern int re_match (struct re_pattern_buffer *, const char *, int, int,
+		     struct re_registers *);
+extern void re_set_casetable (const char *table);
+extern void re_copy_registers (struct re_registers*, struct re_registers*);
+extern void re_free_registers (struct re_registers*);
+
+#ifndef RUBY
+/* 4.2 bsd compatibility.  */
+extern char *re_comp (const char *);
+extern int re_exec (const char *);
+#endif
+
+#else /* !__STDC__ */
+
+extern char *re_compile_pattern ();
+void re_free_regexp ();
+/* Is this really advertised? */
+extern int re_adjust_startpos ();
+extern void re_compile_fastmap ();
+extern int re_search ();
+extern int re_match ();
+extern void re_set_casetable ();
+extern void re_copy_registers ();
+extern void re_free_registers ();
+
+#endif /* __STDC__ */
+
+#endif /* !REGEX_H */
-- 
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