(J90-4A5E): Unify JIS X 0208:1978 and 1983 code points.

[chise/xemacs-chise.git-] / src / regex.c

diff --git a/src/regex.c b/src/regex.c
index ff570ea..3652b91 100644 (file)
--- a/src/regex.c
+++ b/src/regex.c
@@ -6,6 +6,7 @@
    Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
    Copyright (C) 1995 Sun Microsystems, Inc.
    Copyright (C) 1995 Ben Wing.
+   Copyright (C) 1999,2000,2001 MORIOKA Tomohiko
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -3342,8 +3343,12 @@ compile_extended_range (re_char **p_ptr, re_char *pend,
      ranges entirely within the first 256 chars. */
 
   if ((range_start >= 0x100 || range_end >= 0x100)
-      && CHAR_LEADING_BYTE (range_start) !=
-      CHAR_LEADING_BYTE (range_end))
+#ifdef UTF2000
+      && CHAR_CHARSET_ID (range_start) != CHAR_CHARSET_ID (range_end)
+#else
+      && CHAR_LEADING_BYTE (range_start) != CHAR_LEADING_BYTE (range_end)
+#endif
+      )
     return REG_ERANGESPAN;
 
   /* As advertised, translations only work over the 0 - 0x7F range.
@@ -3621,19 +3626,30 @@ re_compile_fastmap (struct re_pattern_buffer *bufp)
          k = *p++;
          matchsyntax:
 #ifdef MULE
+#ifdef UTF2000
+         for (j = 0; j < 0x80; j++)
+           if (SYNTAX_UNSAFE
+               (XCHAR_TABLE
+                (regex_emacs_buffer->syntax_table), j) ==
+               (enum syntaxcode) k)
+             fastmap[j] = 1;
+#else
          for (j = 0; j < 0x80; j++)
            if (SYNTAX_UNSAFE
                (XCHAR_TABLE
                 (regex_emacs_buffer->mirror_syntax_table), j) ==
                (enum syntaxcode) k)
              fastmap[j] = 1;
+#endif
          for (j = 0x80; j < 0xA0; j++)
            {
+#ifndef UTF2000
              if (LEADING_BYTE_PREFIX_P(j))
                /* too complicated to calculate this right */
                fastmap[j] = 1;
              else
                {
+#endif
                  int multi_p;
                  Lisp_Object cset;
 
@@ -3645,7 +3661,9 @@ re_compile_fastmap (struct re_pattern_buffer *bufp)
                          == Sword || multi_p)
                        fastmap[j] = 1;
                    }
+#ifndef UTF2000
                }
+#endif
            }
 #else /* not MULE */
          for (j = 0; j < (1 << BYTEWIDTH); j++)
@@ -3662,19 +3680,30 @@ re_compile_fastmap (struct re_pattern_buffer *bufp)
          k = *p++;
          matchnotsyntax:
 #ifdef MULE
+#ifdef UTF2000
+         for (j = 0; j < 0x80; j++)
+           if (SYNTAX_UNSAFE
+               (XCHAR_TABLE
+                (regex_emacs_buffer->syntax_table), j) !=
+               (enum syntaxcode) k)
+             fastmap[j] = 1;
+#else
          for (j = 0; j < 0x80; j++)
            if (SYNTAX_UNSAFE
                (XCHAR_TABLE
                 (regex_emacs_buffer->mirror_syntax_table), j) !=
                (enum syntaxcode) k)
              fastmap[j] = 1;
+#endif
          for (j = 0x80; j < 0xA0; j++)
            {
+#ifndef UTF2000
              if (LEADING_BYTE_PREFIX_P(j))
                /* too complicated to calculate this right */
                fastmap[j] = 1;
              else
                {
+#endif
                  int multi_p;
                  Lisp_Object cset;
 
@@ -3686,7 +3715,9 @@ re_compile_fastmap (struct re_pattern_buffer *bufp)
                          != Sword || multi_p)
                        fastmap[j] = 1;
                    }
+#ifndef UTF2000
                }
+#endif
            }
 #else /* not MULE */
          for (j = 0; j < (1 << BYTEWIDTH); j++)
@@ -4157,7 +4188,7 @@ re_search_2 (struct re_pattern_buffer *bufp, const char *str1,
 
 /* Call before fetching a character with *d.  This switches over to
    string2 if necessary.  */
-#define PREFETCH()                                                     \
+#define REGEX_PREFETCH()                                                       \
   while (d == dend)                                                    \
     {                                                                  \
       /* End of string2 => fail.  */                                   \
@@ -4182,9 +4213,15 @@ re_search_2 (struct re_pattern_buffer *bufp, const char *str1,
 #define POS_AFTER_GAP_UNSAFE(d) ((d) == end1 ? string2 : (d))
 
 /* Test if CH is a word-constituent character. (XEmacs change) */
+#ifdef UTF2000
+#define WORDCHAR_P_UNSAFE(ch)                                     \
+  (SYNTAX_UNSAFE (XCHAR_TABLE (regex_emacs_buffer->syntax_table),  \
+                               ch) == Sword)
+#else
 #define WORDCHAR_P_UNSAFE(ch)                                             \
   (SYNTAX_UNSAFE (XCHAR_TABLE (regex_emacs_buffer->mirror_syntax_table),   \
                                ch) == Sword)
+#endif
 
 /* Free everything we malloc.  */
 #ifdef MATCH_MAY_ALLOCATE
@@ -4699,7 +4736,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
                  Emchar pat_ch, buf_ch;
                  Bytecount pat_len;
 
-                 PREFETCH ();
+                 REGEX_PREFETCH ();
                  pat_ch = charptr_emchar (p);
                  buf_ch = charptr_emchar (d);
                  if (RE_TRANSLATE (buf_ch) != pat_ch)
@@ -4711,7 +4748,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
                  
                  mcnt -= pat_len;
 #else /* not MULE */
-                 PREFETCH ();
+                 REGEX_PREFETCH ();
                  if ((unsigned char) RE_TRANSLATE (*d++) != *p++)
                     goto fail;
                  mcnt--;
@@ -4723,7 +4760,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
            {
              do
                {
-                 PREFETCH ();
+                 REGEX_PREFETCH ();
                  if (*d++ != *p++) goto fail;
                }
              while (--mcnt);
@@ -4736,7 +4773,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
        case anychar:
           DEBUG_PRINT1 ("EXECUTING anychar.\n");
 
-          PREFETCH ();
+          REGEX_PREFETCH ();
 
           if ((!(bufp->syntax & RE_DOT_NEWLINE) && TRANSLATE (*d) == '\n')
               || (bufp->syntax & RE_DOT_NOT_NULL && TRANSLATE (*d) == '\000'))
@@ -4756,7 +4793,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
 
             DEBUG_PRINT2 ("EXECUTING charset%s.\n", not ? "_not" : "");
 
-           PREFETCH ();
+           REGEX_PREFETCH ();
            c = TRANSLATE (*d); /* The character to match.  */
 
             /* Cast to `unsigned' instead of `unsigned char' in case the
@@ -4783,7 +4820,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
 
             DEBUG_PRINT2 ("EXECUTING charset_mule%s.\n", not ? "_not" : "");
 
-           PREFETCH ();
+           REGEX_PREFETCH ();
            c = charptr_emchar ((const Bufbyte *) d);
            c = TRANSLATE_EXTENDED_UNSAFE (c); /* The character to match.  */
 
@@ -5035,7 +5072,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
                if (d2 == dend2) break;
 
                /* If necessary, advance to next segment in data.  */
-               PREFETCH ();
+               REGEX_PREFETCH ();
 
                /* How many characters left in this segment to match.  */
                mcnt = dend - d;
@@ -5594,11 +5631,17 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
            int matches;
            Emchar emch;
 
-           PREFETCH ();
+           REGEX_PREFETCH ();
            emch = charptr_emchar ((const Bufbyte *) d);
+#ifdef UTF2000
+           matches = (SYNTAX_UNSAFE
+                      (XCHAR_TABLE (regex_emacs_buffer->syntax_table),
+                       emch) == (enum syntaxcode) mcnt);
+#else
            matches = (SYNTAX_UNSAFE
                       (XCHAR_TABLE (regex_emacs_buffer->mirror_syntax_table),
                        emch) == (enum syntaxcode) mcnt);
+#endif
            INC_CHARPTR (d);
            if (matches != should_succeed)
              goto fail;
@@ -5627,7 +5670,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
            Emchar emch;
 
            mcnt = *p++;
-           PREFETCH ();
+           REGEX_PREFETCH ();
            emch = charptr_emchar ((const Bufbyte *) d);
            INC_CHARPTR (d);
            if (check_category_char(emch, regex_emacs_buffer->category_table,
@@ -5645,7 +5688,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
 #else /* not emacs */
        case wordchar:
           DEBUG_PRINT1 ("EXECUTING non-Emacs wordchar.\n");
-         PREFETCH ();
+         REGEX_PREFETCH ();
           if (!WORDCHAR_P_UNSAFE ((int) (*d)))
             goto fail;
          SET_REGS_MATCHED ();
@@ -5654,7 +5697,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, re_char *string1,
 
        case notwordchar:
           DEBUG_PRINT1 ("EXECUTING non-Emacs notwordchar.\n");
-         PREFETCH ();
+         REGEX_PREFETCH ();
           if (!WORDCHAR_P_UNSAFE ((int) (*d)))
             goto fail;
           SET_REGS_MATCHED ();