shithub: bin.rc

ref: 171d78f72e972c8671e39b064e9d1072f3130560
dir: /bin/var/

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#!/bin/rc
# var - find C variable declarations
# var [pattern]
rfork e

ident='([a-zA-Z_][a-zA-Z_0-9]*)'
var=$1
var=`{echo $var | sed 's,%,'$ident'?,g'}
if(~ $#var 0)
	var=$ident
cat >/env/decl <<.
[ 	]*$ident([\* 	]+$ident[, 	]*)*([\* 	]+$var[, 	]*)+([\* 	]+$ident[, 	]*)*(;|=[^=]*)$
.
falsematch='(return|goto|typedef)[ 	]+';
srcs=`{walk -f | grep '\.[chy]$'}
grep -n -e `''{cat /env/decl} $srcs /dev/null | grep -v $falsematch | sed 's,[ 	]+, ,g'