2 * mksyntax.c - construct shell syntax table for fast char attribute lookup.
5 /* Copyright (C) 2000 Free Software Foundation, Inc.
7 This file is part of GNU Bash, the Bourne Again SHell.
9 Bash is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 2, or (at your option) any later
14 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 You should have received a copy of the GNU General Public License along
20 with Bash; see the file COPYING. If not, write to the Free Software
21 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
39 extern char *strerror();
47 { CSHMETA, "CSHMETA" },
53 { CBSDQUOTE, "CBSDQUOTE" },
54 { CBSHDOC, "CBSHDOC" },
57 { CXQUOTE, "CXQUOTE" },
58 { CSPECVAR, "CSPECVAR" }
61 #define N_WFLAGS (sizeof (wordflags) / sizeof (wordflags[0]))
70 * This file was generated by mksyntax. DO NOT EDIT.\n\
75 #include \"stdc.h\"\n\
76 #include \"syntax.h\"\n\n";
81 fprintf (stderr, "%s: usage: %s [-d] [-o filename]\n", progname, progname);
91 for (i = 0; i < N_WFLAGS; i++)
92 if (strcmp (s, wordflags[i].fstr) == 0)
93 return wordflags[i].flag;
101 static char xbuf[16];
105 else if (isprint (i))
111 else if (i == CTLESC)
113 else if (i == CTLNUL)
115 else if (i == '\033') /* ASCII */
123 case '\a': xbuf[1] = 'a'; break;
124 case '\v': xbuf[1] = 'v'; break;
125 case '\b': xbuf[1] = 'b'; break;
126 case '\f': xbuf[1] = 'f'; break;
127 case '\n': xbuf[1] = 'n'; break;
128 case '\r': xbuf[1] = 'r'; break;
129 case '\t': xbuf[1] = 't'; break;
130 default: sprintf (xbuf, "%d", i); break;
142 for (i = 0; i < N_WFLAGS; i++)
143 if (f == wordflags[i].flag)
144 return (wordflags[i].fstr);
145 return ((char *)NULL);
156 for (s = (unsigned char *)str; s && *s; s++)
160 fstr = getcstr (flag);
161 fprintf(stderr, "added %s for character %s\n", fstr, cdesc(*s));
177 fstr = getcstr (flag);
178 fprintf (stderr, "added %s for character %s\n", fstr, cdesc(c));
183 /* load up the correct flag values in lsyntax */
187 /* shell metacharacters */
188 addcstr (shell_meta_chars, CSHMETA);
190 /* shell word break characters */
191 addcstr (shell_break_chars, CSHBRK);
193 addcchar ('`', CBACKQ);
195 addcstr (shell_quote_chars, CQUOTE);
197 addcchar (CTLESC, CSPECL);
198 addcchar (CTLNUL, CSPECL);
200 addcstr (shell_exp_chars, CEXP);
202 addcstr (slashify_in_quotes, CBSDQUOTE);
203 addcstr (slashify_in_here_document, CBSHDOC);
205 addcstr (shell_glob_chars, CGLOB);
207 #if defined (EXTENDED_GLOB)
208 addcstr (ext_glob_chars, CXGLOB);
211 addcstr (shell_quote_chars, CXQUOTE);
212 addcchar ('\\', CXQUOTE);
214 addcstr ("@*#?-$!", CSPECVAR); /* omits $0...$9 and $_ */
218 dump_lflags (fp, ind)
222 int xflags, first, i;
224 xflags = lsyntax[ind];
228 fputs (wordflags[0].fstr, fp);
231 for (i = 1; i < N_WFLAGS; i++)
232 if (xflags & wordflags[i].flag)
238 fputs (wordflags[i].fstr, fp);
248 fputs ("\t\t/* ", fp);
250 fprintf (fp, "%s", cdesc(i));
262 fprintf (fp, "const int sh_syntaxtab[%d] = {\n", SYNSIZE);
264 for (i = 0; i < SYNSIZE; i++)
273 fprintf (fp, "};\n");
284 if ((progname = strrchr (argv[0], '/')) == 0)
289 filename = (char *)NULL;
292 while ((opt = getopt (argc, argv, "do:")) != EOF)
312 fp = fopen (filename, "w");
315 fprintf (stderr, "%s: %s: cannot open: %s\n", progname, filename, strerror(errno));
326 for (i = 0; i < SYNSIZE; i++)
331 fprintf (fp, "%s\n", preamble);
332 fprintf (fp, "%s\n", includes);
342 #if !defined (HAVE_STRERROR)
344 #include <bashtypes.h>
346 # include <sys/param.h>
349 #if defined (HAVE_UNISTD_H)
353 /* Return a string corresponding to the error number E. From
355 #if defined (strerror)
363 static char emsg[40];
364 #if defined (HAVE_SYS_ERRLIST)
366 extern char *sys_errlist[];
368 if (e > 0 && e < sys_nerr)
369 return (sys_errlist[e]);
371 #endif /* HAVE_SYS_ERRLIST */
373 sprintf (emsg, "Unknown system error %d", e);
377 #endif /* HAVE_STRERROR */