annotate make/linux/adlc_updater @ 475:284d0af00d53

6771309: debugging AD files is difficult without #line directives in generated code Summary: more and better #line and #define directives in the generated code; ADLC itself accepts #line directives Reviewed-by: never, kvn
author jrose
date Tue, 09 Dec 2008 12:41:26 -0800
parents a294fd0c4b38
children a50abfc67f31
rev   line source
duke@0 1 #! /bin/sh
duke@0 2 #
duke@0 3 # This file is used by adlc.make to selectively update generated
duke@0 4 # adlc files. Because source and target diretories are relative
duke@0 5 # paths, this file is copied to the target build directory before
duke@0 6 # use.
duke@0 7 #
duke@0 8 # adlc-updater <file> <source-dir> <target-dir>
duke@0 9 #
jrose@475 10 fix_lines() {
jrose@475 11 # repair bare #line directives in $1 to refer to $2
jrose@475 12 awk < $1 > $1+ '
jrose@475 13 /^#line 999999$/ {print "#line " (NR+1) " \"" F2 "\""; next}
jrose@475 14 {print}
jrose@475 15 ' F2=$2
jrose@475 16 mv $1+ $1
jrose@475 17 }
jrose@475 18 [ -f $3/$1 ] && (fix_lines $2/$1 $3/$1; cmp -s $2/$1 $3/$1) || \
jrose@475 19 ( [ -f $3/$1 ] && echo Updating $3/$1 ; touch $2/made-change ; mv $2/$1 $3/$1 )