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1998-08-19
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#!/sbin/sh
#ident "@(#)ctrace:common/ctcr 1.6"
# ctc, ctcr - ctrace, compile, and optionally run a C program
#
if test $# = 0
then cat <<!
Usage: ctc [ ctrace options ] file ... [ makefile target ] [ make macros ]
ctcr [ ctrace options ] file ... [ makefile target ] [ make macros ]
!
exit 1
fi
# get any initial parameter values:
if test -f .ctcr_init
then . .ctcr_init
fi
# default parameter values:
MAKE=${MAKE-make}
# get the arguments:
for i
do case $i in
*.[cly]) if test "$lastarg" != -r
then firstfile=$i
break
fi
;;
-r) CTRACEFLAGS="$CTRACEFLAGS $i '$2'"
shift 2
;;
*) CTRACEFLAGS="$CTRACEFLAGS '$i'"
shift
esac
lastarg=$i
done
for i
do case $i in
*.[cly]) files="$files $i"
;;
# note: $i may contain embedded blanks.
-*) MAKEARGS="$MAKEARGS $i"
;;
*) if expr "$i" : '[^=]*=' >/dev/null
then MAKEFLAGS="$MAKEFLAGS $i" # don't quote make args
else TARGET=$i
fi
esac
done
if [ $firstfile ]
then :
else echo missing file parameter
exit 1
fi
# check for a makefile:
for i in [Mm]akefile s.[Mm]akefile *.mk
do case $i in
ctcr_temp.mk) ;;
Makefile|makefile|s.Makefile|s.makefile|[!*]*.mk) makefile=$i ;;
esac
done
# make sure that the makefile is for the traced files:
prefix=`expr $firstfile : '\(.*\)\..$'`
if [ $makefile ] && egrep "^$prefix.o[^a-z]|[^a-z]$prefix.o[^a-z]|[^a-z]$prefix.o$" $makefile >/dev/null
then # change the TARGET name in a copy of the makefile:
pwd=`pwd`
TARGET=${TARGET-`basename $pwd`}
patterns="
s/^$TARGET\([^a-z.]\)/$TARGET.t\1/g
s/\([^a-z]\)$TARGET\([^a-z.]\)/\1$TARGET.t\2/g
s/\([^a-z]\)$TARGET$/\1$TARGET.t/g
s/^$TARGET\.b\([^a-z]\)/$TARGET.t.b\1/g
s/\([^a-z]\)$TARGET.b\([^a-z]\)/\1$TARGET.t.b\2/g
s/\([^a-z]\)$TARGET.b$/\1$TARGET.t.b/g"
# change a copy of the makefile to trace each file:
for i in $files
do prefix=`expr $i : '\(.*\)\..$'`
patterns="$patterns
s/^$prefix\.o\([^a-z]\)/$prefix\.t.o\1/g
s/\([^a-z]\)$prefix\.o\([^a-z]\)/\1$prefix\.t.o\2/g
s/\([^a-z]\)$prefix\.o$/\1$prefix\.t.o/g"
done
sed "$patterns" $makefile >ctcr_temp.mk
# change a copy of any 3bldp spec file to trace each file:
if test -f $TARGET.b
then sed "$patterns" $TARGET.b >$TARGET.t.b
fi
# force relinking because the traced file's .t.o file may be up-to-date.
rm -f $TARGET.t
else # create a makefile:
TARGET=${TARGET-a.out}
cat >ctcr_temp.mk <<!
$TARGET.t: $prefix.t.o
cc $LDFLAGS $prefix.t.o -o $TARGET.t
!
fi
# Add the transformation rules for tracing C, lex, and yacc files:
# Note: Can't use $*.t.c in place of temp.c because editing $*.c will not remake $*.t.c.
cat >>ctcr_temp.mk <<!
.SUFFIXES: .t.o
.c.t.o:
ctrace $CTRACEFLAGS $< >ctcr_temp.c
$(CC) $(CFLAGS) -c ctcr_temp.c
rm ctcr_temp.c
mv ctcr_temp.o \$@
.l.t.o:
ltrace $(LTRACEFLAGS) $< >ctcr_temp.l
$(LEX) $(LFLAGS) ctcr_temp.l
rm ctcr_temp.l
$(CC) $(CFLAGS) -c lex.yy.c
rm lex.yy.c
mv lex.yy.o \$@
.y.t.o:
ltrace $(LTRACEFLAGS) $< | yaccer $(YACCERFLAGS) >ctcr_temp.y
$(YACC) $(YFLAGS) ctcr_temp.y
rm ctcr_temp.y
$(CC) $(CFLAGS) -c y.tab.c
rm y.tab.c
mv y.tab.o \$@
!
# trace and compile the file:
command="$MAKE -f ctcr_temp.mk ${MAKEFILAGS:+-}$MAKEFLAGS $MAKEARGS $TARGET.t"
echo $command
$command
# Run target file if no errors and this script was not called as ctc.
if [ $? -eq 0 ]
then rm -f ctcr_temp.* $TARGET.t.b
if [ `basename $0` != ctc ]
then set -x
$TARGET.t $RUNFLAGS
fi
fi