From: Jean Privat <jean@pryen.org>
Date: Wed, 29 Jul 2009 02:46:55 +0000 (-0400)
Subject: tools: showerr.sh to colorize nc* outputs
X-Git-Tag: v0.3~105
X-Git-Url: http://nitlanguage.org

tools: showerr.sh to colorize nc* outputs

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/src/nc b/src/nc
index 798862d..2b529f7 100755
--- a/src/nc
+++ b/src/nc
@@ -30,5 +30,10 @@ esac
 ./git-gen-version.sh "$name"
 
 echo ${NITC} ${NITCOPTS} ${opts} "$@"
-${NITC} ${NITCOPTS} ${opts} "$@"
-
+k=$(mktemp nc.stderr.XXXXX)
+rm "$k"
+trap "rm -f $k; exit 1" INT TERM
+mkfifo "$k"
+${NITC} ${NITCOPTS} ${opts} "$@" 2>"$k" &
+./showerr.sh <"$k"
+rm "$k"
diff --git a/src/showerr.sh b/src/showerr.sh
new file mode 100755
index 0000000..831acca
--- /dev/null
+++ b/src/showerr.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2008 Jean Privat <jean@pryen.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Usage:
+# showerr.sh [filelocation]...
+#
+# Show an colorize lines locations (with or without error messages) passed in arguments.
+# If no arguments are given, line locations a read for the standard input (one per line)
+
+red=$(printf "\033[0;31m")
+bred=$(printf "\033[1;31m")
+green=$(printf "\033[0;32m")
+yellow=$(printf "\033[0;33m")
+def=$(printf "\033[0m")
+
+colorize()
+{
+	F='\([^:]*\)'
+	D='\([0-9]*\)'
+	M='\(.*\)'
+	sed	-e "s!^$F:$D,$D--$D,$D: $M!X \1 \2 \3 \4 \5 \6!" \
+		-e "s!^$F:$D,$D--$D: $M!X \1 \2 \3 \2 \4 \5!" \
+		-e "s!^$F:$D,$D: $M!X \1 \2 \3 \2 \3 \4!" \
+		-e "s!^$F:$D: $M!X \1 \2 1 \2 eol \3!" \
+		-e "s!^$F:$D\$!X \1 \2 1 \2 eol!" |
+	while read k f l1 c1 l2 c2 m; do
+		if [ "$k" != "X" ]; then
+			echo "$k $f $l1 $c1 $l2 $c2 $m"
+		else
+			# Colorize and rewrite the error message
+			m=$( echo "$m" |
+				sed	-e "s!^\(Warning:\)\(.*\)!$green\1$def\2!" \
+					-e "s!^\([^:]*[Ee]rror:\)\(.*\)!$bred\1$def\2!"
+			)
+			echo "$yellow$f$def:$l1,$c1--$l2,$c2: $m"
+
+			# Colorize and show the line
+			if [ $c1 = 1 ]; then
+				start="\(\)"
+			else
+				start="\(.\{$(($c1-1))\}\)"
+			fi
+			if [ $l1 = $l2 ]; then
+				if [ $c2 = eol ]; then
+					len="\(.*\)"
+					red=""
+				else
+					len="\(.\{$(($c2 - $c1 + 1))\}\)"
+				fi
+				sed -n -e "${l1}s!^$start$len\(.*\)!	\1$red\2$def\3!p" $f
+			else
+				if [ $c2 = 1 ]; then
+					start2="\(\)"
+				else
+					start2="\(.\{$(($c2-1))\}\)"
+				fi
+				# Show only the first line
+				sed -n -e "${l1}s!^$start\(.*\)!	\1$red\2 (...)$def!p" $f
+				#sed -n -e "${l1}s!^$start\(.*\)!	\1$red\2!p" $f
+				#if [ $l1 = $(($l2-2)) ]; then
+				#	sed -n -e "$(($l1+1))s!^\(.*\)!	\1!p" $f
+				#elif [ $l1 != $(($l2-1)) ]; then
+				#	sed -n -e "${l1}s!^\([	 ]*\).*!	\1...!p" $f
+				#fi
+				#sed -n -e "${l2}s!^$start2\(.*\)!	\1$def\2!p" $f
+			fi
+		fi
+	done
+}
+
+if [ "$#" = 0 ]; then
+	colorize
+else
+	for x in "$@"; do
+		echo "$x" | colorize
+	done
+fi
+