--- /dev/null
+#!/usr/bin/env bash
+# vim: ts=4 sw=4 noet :
+
+#==================================================================================
+# Copyright (c) 2020 Nokia
+# Copyright (c) 2020 AT&T Intellectual Property.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#==================================================================================
+
+#
+# Parse the .gcov file and discount any unexecuted lines which are in if()
+# blocks which are testing the result of alloc/malloc calls, or testing for
+# nil pointers. The feeling is that these might not be possible to drive
+# and shoudn't contribute to coverage deficiencies.
+#
+# In verbose mode, the .gcov file is written to stdout and any unexecuted
+# line which is discounted is marked with ===== replacing the ##### marking
+# that gcov wrote.
+#
+# The return value is 0 for pass; non-zero for fail.
+#
+function discount_ck {
+ typeset f="$1"
+
+ mct=80 # force minimum coverage threshold for passing
+
+ if [[ ! -f $f ]]
+ then
+ if [[ -f ${f##*/} ]]
+ then
+ f=${f##*/}
+ else
+ echo "cant find: $f"
+ return
+ fi
+ fi
+
+ awk -v module_cov_target=$mct \
+ -v cfail=${cfail:-WARN} \
+ -v show_all=$show_all \
+ -v full_name="${1}" \
+ -v module="${f%.*}" \
+ -v chatty=$chatty \
+ -v replace_flags=$replace_flags \
+ '
+ function spit_line( ) {
+ if( chatty ) {
+ printf( "%s\n", $0 )
+ }
+ }
+
+ /-:/ { # skip unexecutable lines
+ spit_line()
+ seq++ # allow blank lines in a sequence group
+ next
+ }
+
+ {
+ nexec++ # number of executable lines
+ }
+
+ /#####:/ {
+ unexec++;
+ if( $2+0 != seq+1 ) {
+ prev_malloc = 0
+ prev_if = 0
+ seq = 0
+ spit_line()
+ next
+ }
+
+ if( prev_if && prev_malloc ) {
+ if( prev_malloc ) {
+ #printf( "allow discount: %s\n", $0 )
+ if( replace_flags ) {
+ gsub( "#####", " 1", $0 )
+ //gsub( "#####", "=====", $0 )
+ }
+ discount++;
+ }
+ }
+
+ seq++;;
+ spit_line()
+ next;
+ }
+
+ /if[(].*alloc.*{/ { # if( (x = malloc( ... )) != NULL ) or if( (p = sym_alloc(...)) != NULL )
+ seq = $2+0
+ prev_malloc = 1
+ prev_if = 1
+ spit_line()
+ next
+ }
+
+ /if[(].* == NULL/ { # a nil check likely not easily forced if it wasnt driven
+ prev_malloc = 1
+ prev_if = 1
+ spit_line()
+ seq = $2+0
+ next
+ }
+
+ /if[(]/ {
+ if( seq+1 == $2+0 && prev_malloc ) { // malloc on previous line
+ prev_if = 1
+ } else {
+ prev_malloc = 0
+ prev_if = 0
+ }
+ spit_line()
+ next
+ }
+
+ /alloc[(]/ {
+ seq = $2+0
+ prev_malloc = 1
+ spit_line()
+ next
+ }
+
+ {
+ spit_line()
+ }
+
+ END {
+ net = unexec - discount
+ orig_cov = ((nexec-unexec)/nexec)*100 # original coverage
+ adj_cov = ((nexec-net)/nexec)*100 # coverage after discount
+ pass_fail = adj_cov < module_cov_target ? cfail : "PASS"
+ rc = adj_cov < module_cov_target ? 1 : 0
+ if( pass_fail == cfail || show_all ) {
+ if( chatty ) {
+ printf( "[%s] %s executable=%d unexecuted=%d discounted=%d net_unex=%d cov=%d%% ==> %d%% target=%d%%\n",
+ pass_fail, full_name ? full_name : module, nexec, unexec, discount, net, orig_cov, adj_cov, module_cov_target )
+ } else {
+ printf( "[%s] %d%% (%d%%) %s\n", pass_fail, adj_cov, orig_cov, full_name ? full_name : module )
+ }
+ }
+
+ exit( rc )
+ }
+ ' $f
+}
+
+# ----------------------------------------------------------------------
+show_all=1 # turn off to hide passing modules (-q)
+chatty=0 # -v turns on to provide more info when we do speak
+
+while [[ $1 == "-"* ]]
+do
+ case $1 in
+ -q) show_all=0;;
+ -v) chatty=1;;
+
+ *) echo "unrecognised option: $1"
+ echo "usage: $0 [-q] gcov-file-list"
+ exit 1
+ ;;
+ esac
+ shift
+done
+
+
+while [[ -n $1 ]]
+do
+ discount_ck $1
+ shift
+done
Code Review / ric-plt / xapp-frame-cpp.git / blobdiff