Rev 3 | Rev 3728 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
3 | paul | 1 | #! /bin/sh |
2 | # ylwrap - wrapper for lex/yacc invocations. |
||
3 | # Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
||
4 | # Written by Tom Tromey <tromey@cygnus.com>. |
||
5 | # |
||
6 | # This program is free software; you can redistribute it and/or modify |
||
7 | # it under the terms of the GNU General Public License as published by |
||
8 | # the Free Software Foundation; either version 2, or (at your option) |
||
9 | # any later version. |
||
10 | # |
||
11 | # This program is distributed in the hope that it will be useful, |
||
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
14 | # GNU General Public License for more details. |
||
15 | # |
||
16 | # You should have received a copy of the GNU General Public License |
||
17 | # along with this program; if not, write to the Free Software |
||
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
||
19 | |||
20 | # As a special exception to the GNU General Public License, if you |
||
21 | # distribute this file as part of a program that contains a |
||
22 | # configuration script generated by Autoconf, you may include it under |
||
23 | # the same distribution terms that you use for the rest of that program. |
||
24 | |||
25 | # Usage: |
||
26 | # ylwrap INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... |
||
27 | # * INPUT is the input file |
||
28 | # * OUTPUT is file PROG generates |
||
29 | # * DESIRED is file we actually want |
||
30 | # * PROGRAM is program to run |
||
31 | # * ARGS are passed to PROG |
||
32 | # Any number of OUTPUT,DESIRED pairs may be used. |
||
33 | |||
34 | # The input. |
||
35 | input="$1" |
||
36 | shift |
||
37 | case "$input" in |
||
38 | [\\/]* | ?:[\\/]*) |
||
39 | # Absolute path; do nothing. |
||
40 | ;; |
||
41 | *) |
||
42 | # Relative path. Make it absolute. |
||
43 | input="`pwd`/$input" |
||
44 | ;; |
||
45 | esac |
||
46 | |||
47 | # The directory holding the input. |
||
48 | input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` |
||
49 | # Quote $INPUT_DIR so we can use it in a regexp. |
||
50 | # FIXME: really we should care about more than `.' and `\'. |
||
51 | input_rx=`echo "$input_dir" | sed -e 's,\\\\,\\\\\\\\,g' -e 's,\\.,\\\\.,g'` |
||
52 | |||
53 | echo "got $input_rx" |
||
54 | |||
55 | pairlist= |
||
56 | while test "$#" -ne 0; do |
||
57 | if test "$1" = "--"; then |
||
58 | shift |
||
59 | break |
||
60 | fi |
||
61 | pairlist="$pairlist $1" |
||
62 | shift |
||
63 | done |
||
64 | |||
65 | # The program to run. |
||
66 | prog="$1" |
||
67 | shift |
||
68 | # Make any relative path in $prog absolute. |
||
69 | case "$prog" in |
||
70 | [\\/]* | ?:[\\/]*) ;; |
||
71 | *[\\/]*) prog="`pwd`/$prog" ;; |
||
72 | esac |
||
73 | |||
74 | # FIXME: add hostname here for parallel makes that run commands on |
||
75 | # other machines. But that might take us over the 14-char limit. |
||
76 | dirname=ylwrap$$ |
||
77 | trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 |
||
78 | mkdir $dirname || exit 1 |
||
79 | |||
80 | cd $dirname |
||
81 | |||
82 | $prog ${1+"$@"} "$input" |
||
83 | status=$? |
||
84 | |||
85 | if test $status -eq 0; then |
||
86 | set X $pairlist |
||
87 | shift |
||
88 | first=yes |
||
89 | # Since DOS filename conventions don't allow two dots, |
||
90 | # the DOS version of Bison writes out y_tab.c instead of y.tab.c |
||
91 | # and y_tab.h instead of y.tab.h. Test to see if this is the case. |
||
92 | y_tab_nodot="no" |
||
93 | if test -f y_tab.c || test -f y_tab.h; then |
||
94 | y_tab_nodot="yes" |
||
95 | fi |
||
96 | |||
97 | while test "$#" -ne 0; do |
||
98 | from="$1" |
||
99 | # Handle y_tab.c and y_tab.h output by DOS |
||
100 | if test $y_tab_nodot = "yes"; then |
||
101 | if test $from = "y.tab.c"; then |
||
102 | from="y_tab.c" |
||
103 | else |
||
104 | if test $from = "y.tab.h"; then |
||
105 | from="y_tab.h" |
||
106 | fi |
||
107 | fi |
||
108 | fi |
||
109 | if test -f "$from"; then |
||
110 | # If $2 is an absolute path name, then just use that, |
||
111 | # otherwise prepend `../'. |
||
112 | case "$2" in |
||
113 | [\\/]* | ?:[\\/]*) target="$2";; |
||
114 | *) target="../$2";; |
||
115 | esac |
||
116 | |||
117 | # Edit out `#line' or `#' directives. We don't want the |
||
118 | # resulting debug information to point at an absolute srcdir; |
||
119 | # it is better for it to just mention the .y file with no |
||
120 | # path. |
||
121 | sed -e "/^#/ s,$input_rx,," "$from" > "$target" || status=$? |
||
122 | else |
||
123 | # A missing file is only an error for the first file. This |
||
124 | # is a blatant hack to let us support using "yacc -d". If -d |
||
125 | # is not specified, we don't want an error when the header |
||
126 | # file is "missing". |
||
127 | if test $first = yes; then |
||
128 | status=1 |
||
129 | fi |
||
130 | fi |
||
131 | shift |
||
132 | shift |
||
133 | first=no |
||
134 | done |
||
135 | else |
||
136 | status=$? |
||
137 | fi |
||
138 | |||
139 | # Remove the directory. |
||
140 | cd .. |
||
141 | rm -rf $dirname |
||
142 | |||
143 | exit $status |