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Do not expect the input file to be the first argument after the

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optional "-o" option, just pass everything to the pre-processor
without extracting the input file name.
This commit is contained in:
Marius Vollmer 2002-08-24 00:53:44 +00:00
parent 4a5309c938
commit 34690e5338
1 changed files with 24 additions and 58 deletions
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82
libguile/guile-snarf.in
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@ -20,64 +20,40 @@
# Commentary: # Commentary:
# Usage: guile-snarf [-d | -D] [-o OUTFILE] INFILE [CPP-OPTIONS ...] # Usage: guile-snarf [-o OUTFILE] [CPP-ARGS ...]
#
# Process INFILE using the C pre-processor and some other programs. # Initialization actions are extracted to OUTFILE or to standard
# Write output to a file named OUTFILE or to the standard output when no # output when no OUTFILE has been specified or when OUTFILE is "-".
# OUTFILE has been specified or when OUTFILE is "-". # The C preprocessor is called with CPP-ARGS (which usually include a
# # input file) and the output is filtered for the actions.
# If there are errors during processing, delete OUTFILE and exit with #
# non-zero status. # If there are errors during processing, OUTFILE is deleted and the
# # program exits with non-zero status.
#
# During snarfing, the pre-processor macro SCM_MAGIC_SNARFER is # During snarfing, the pre-processor macro SCM_MAGIC_SNARFER is
# defined. # defined. You can use this to avoid including snarfer output files
# # that don't yet exist by writing code like this:
# Optional arg "-d" means grep INFILE for deprecated macros and #
# issue a warning if any are found. Alternatively, "-D" means # #ifndef SCM_MAGIC_SNARFER
# do the same thing but signal error and exit w/ non-zero status. # #include "foo.x"
# # #endif
# If env var CPP is set, use its value instead of the C pre-processor #
# determined at Guile configure-time: "@CPP@". # If the environment variable CPP is set, use its value instead of the
# C pre-processor determined at Guile configure-time: "@CPP@".
# Code: # Code:
## config
deprecated_list="
SCM_CONST_LONG
SCM_VCELL
SCM_VCELL_INIT
SCM_GLOBAL_VCELL
SCM_GLOBAL_VCELL_INIT
"
## funcs ## funcs
modern_snarf () # writes stdout modern_snarf () # writes stdout
{ {
## Apparently, AIX's preprocessor is unhappy if you try to #include an ## Apparently, AIX's preprocessor is unhappy if you try to #include an
## empty file. ## empty file.
echo "/* source: $infile */" ;
echo "/* cpp arguments: $@ */" ; echo "/* cpp arguments: $@ */" ;
${cpp} -DSCM_MAGIC_SNARF_INITS -DSCM_MAGIC_SNARFER "$@" > ${temp} && cpp_ok_p=true ${cpp} -DSCM_MAGIC_SNARF_INITS -DSCM_MAGIC_SNARFER "$@" > ${temp} && cpp_ok_p=true
grep "^ *\^ *\^" ${temp} | sed -e "s/^ *\^ *\^//" -e "s/\^\ *:\ *\^.*/;/" grep "^ *\^ *\^" ${temp} | sed -e "s/^ *\^ *\^//" -e "s/\^\ *:\ *\^.*/;/"
} }
grep_deprecated () # $1 is the filename
{
regexp="(^greetings!spooks!hows!life)"
for dep in `echo $deprecated_list` ; do
regexp="(^${dep}[^_A-Z])|${regexp}"
done
egrep -n ${regexp} $1 /dev/null > ${temp}
if [ -s ${temp} ] ; then
if $grep_dep_exit_p ; then hey=ERROR ; else hey=WARNING ; fi
echo $0: $hey: deprecated macros found:
sed -e 's/.clean.c:/:/g' ${temp}
$grep_dep_exit_p && exit 1
fi
}
## main ## main
# process command line # process command line
@ -86,18 +62,11 @@ if [ x"$1" = x--help ] ; then
| sed -e 1,2d -e 's/^. *//g' | sed -e 1,2d -e 's/^. *//g'
exit 0 exit 0
fi fi
case x"$1" in x-d) grep_dep_p=true ; grep_dep_exit_p=false ; shift ;;
x-D) grep_dep_p=true ; grep_dep_exit_p=true ; shift ;;
*) grep_dep_p=false ;;
esac
if [ x"$1" = x-o ] if [ x"$1" = x-o ]
then outfile=$2 ; shift ; shift ; infile=$1 ; shift then outfile="$2" ; shift ; shift ;
else outfile="-"; infile=$1 ; shift else outfile="-" ;
fi fi
[ x"$infile" = x ] && { echo $0: No input file ; exit 1 ; }
[ ! -f "$infile" ] && { echo $0: No such file: $infile ; exit 1 ; }
# set vars and handler -- handle CPP override # set vars and handler -- handle CPP override
cpp_ok_p=false cpp_ok_p=false
temp="/tmp/snarf.$$" temp="/tmp/snarf.$$"
@ -105,15 +74,12 @@ if [ x"$CPP" = x ] ; then cpp="@CPP@" ; else cpp="$CPP" ; fi
trap "rm -f $temp" 0 1 2 15 trap "rm -f $temp" 0 1 2 15
if [ ! "$outfile" = "-" ]; then if [ ! "$outfile" = "-" ] ; then
modern_snarf "$@" $infile > $outfile modern_snarf "$@" > $outfile
else else
modern_snarf "$@" $infile modern_snarf "$@"
fi fi
# grep deprecated
$grep_dep_p && grep_deprecated $infile
# zonk outfile if errors occurred # zonk outfile if errors occurred
if $cpp_ok_p ; then if $cpp_ok_p ; then
exit 0 exit 0