From 4f9df5435fbdaaea9ce8363bc0133f60916f5518 Mon Sep 17 00:00:00 2001
From: Koichi Murase <myoga.murase@gmail.com>
Date: Thu, 2 Apr 2020 11:57:26 +0900
Subject: [PATCH] Add quick fixes for Bash scripts

---
 shellmetrics | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/shellmetrics b/shellmetrics
index f3bc277..4b5604d 100755
--- a/shellmetrics
+++ b/shellmetrics
@@ -151,7 +151,12 @@ pretty() {
   while [ "$i" -lt "$1" ] && i=$((i + 1)); do
     echo 'shellmetrics_wrapper() {'
   done
-  sed "s/\([^\$'\"()]\)\( *()\)/\1_L$MARK\2/g" \
+  sed "
+    s/\([^[:space:]\$'\"();&|<>=@!*?+]\)\( *()\)/\1_L$MARK\2/g
+    s/^[[:space:]]*function[[:space:]]\{1,\}[^[:space:]\$'\"();&|<>]\{1,\}/&_L$MARK/g
+    s/[;&|(][[:space:]]*function[[:space:]]\{1,\}[^[:space:]\$'\"();&|<>]\{1,\}/&_L$MARK/g
+    s/_L${MARK}_L${MARK}/_L${MARK}/g
+  " \
   | awk "{i++; gsub(/$MARK/,i); print}"
   while [ "$i" -gt 0 ] && i=$((i - 1)); do
     echo '}'
@@ -262,7 +267,8 @@ analyze() {
 
     case $mark in (*"f"*)
       func=${line%"()"*} && func=${func%" "} && func=${func##*[$SP]}
-      lineno=${func##*_L} && func=${func%_L*}:$lineno
+      lineno=${func##*_L}
+      [ "$lineno" != "$func" ] && func=${func%_L*}:$lineno
       push_array indent func ccn lloc
       ccn=1 lloc=0
     esac