diff options
Diffstat (limited to 'ylwrap')
| -rwxr-xr-x | ylwrap | 59 |
1 files changed, 33 insertions, 26 deletions
@@ -1,9 +1,9 @@ #! /bin/sh # ylwrap - wrapper for lex/yacc invocations. -scriptversion=2012-07-14.08; # UTC +scriptversion=2013-01-12.17; # UTC -# Copyright (C) 1996-2012 Free Software Foundation, Inc. +# Copyright (C) 1996-2014 Free Software Foundation, Inc. # # Written by Tom Tromey <tromey@cygnus.com>. # @@ -40,12 +40,13 @@ get_dirname () # guard FILE # ---------- # The CPP macro used to guard inclusion of FILE. -guard() +guard () { - printf '%s\n' "$from" \ - | sed \ - -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ - -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g' + printf '%s\n' "$1" \ + | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ + -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g' \ + -e 's/__*/_/g' } # quote_for_sed [STRING] @@ -95,17 +96,17 @@ esac # The input. -input="$1" +input=$1 shift # We'll later need for a correct munging of "#line" directives. input_sub_rx=`get_dirname "$input" | quote_for_sed` -case "$input" in +case $input in [\\/]* | ?:[\\/]*) # Absolute path; do nothing. ;; *) # Relative path. Make it absolute. - input="`pwd`/$input" + input=`pwd`/$input ;; esac input_rx=`get_dirname "$input" | quote_for_sed` @@ -121,12 +122,18 @@ fi # The parser itself, the first file, is the destination of the .y.c # rule in the Makefile. parser=$1 + # A sed program to s/FROM/TO/g for all the FROM/TO so that, for # instance, we rename #include "y.tab.h" into #include "parse.h" # during the conversion from y.tab.c to parse.c. -rename_sed= -while test "$#" -ne 0; do - if test "$1" = "--"; then +sed_fix_filenames= + +# Also rename header guards, as Bison 2.7 for instance uses its header +# guard in its implementation file. +sed_fix_header_guards= + +while test $# -ne 0; do + if test x"$1" = x"--"; then shift break fi @@ -141,20 +148,19 @@ while test "$#" -ne 0; do shift to=$1 shift - rename_sed="${rename_sed}s|"`quote_for_sed "$from"`"|$to|g;" + sed_fix_filenames="${sed_fix_filenames}s|"`quote_for_sed "$from"`"|$to|g;" + sed_fix_header_guards="${sed_fix_header_guards}s|"`guard "$from"`"|"`guard "$to"`"|g;" done # The program to run. -prog="$1" +prog=$1 shift # Make any relative path in $prog absolute. -case "$prog" in +case $prog in [\\/]* | ?:[\\/]*) ;; - *[\\/]*) prog="`pwd`/$prog" ;; + *[\\/]*) prog=`pwd`/$prog ;; esac -# FIXME: add hostname here for parallel makes that run commands on -# other machines. But that might take us over the 14-char limit. dirname=ylwrap$$ do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret' trap "ret=129; $do_exit" 1 @@ -174,13 +180,13 @@ ret=$? if test $ret -eq 0; then for from in * do - to=`printf '%s\n' "$from" | sed "$rename_sed"` + to=`printf '%s\n' "$from" | sed "$sed_fix_filenames"` if test -f "$from"; then # If $2 is an absolute path name, then just use that, # otherwise prepend '../'. case $to in [\\/]* | ?:[\\/]*) target=$to;; - *) target="../$to";; + *) target=../$to;; esac # Do not overwrite unchanged header files to avoid useless @@ -189,7 +195,7 @@ if test $ret -eq 0; then # output of all other files to a temporary file so we can # compare them to existing versions. if test $from != $parser; then - realtarget="$target" + realtarget=$target target=tmp-`printf '%s\n' "$target" | sed 's|.*[\\/]||g'` fi @@ -197,10 +203,11 @@ if test $ret -eq 0; then # debug information point at an absolute srcdir. Use the real # output file name, not yy.lex.c for instance. Adjust the # include guards too. - FROM=`guard "$from"` - TARGET=`guard "$to"` - sed -e "/^#/!b" -e "s|$input_rx|$input_sub_rx|" -e "$rename_sed" \ - -e "s|$FROM|$TARGET|" "$from" >"$target" || ret=$? + sed -e "/^#/!b" \ + -e "s|$input_rx|$input_sub_rx|" \ + -e "$sed_fix_filenames" \ + -e "$sed_fix_header_guards" \ + "$from" >"$target" || ret=$? # Check whether files must be updated. if test "$from" != "$parser"; then |