src/showerr.sh

   1 #!/bin/bash
   2 # This file is part of NIT ( http://www.nitlanguage.org ).
   3 #
   4 # Copyright 2008 Jean Privat <jean@pryen.org>
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License");
   7 # you may not use this file except in compliance with the License.
   8 # You may obtain a copy of the License at
   9 #
  10 #     http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS,
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17
  18 # Usage:
  19 # showerr.sh [filelocation]...
  20 #
  21 # Show an colorize lines locations (with or without error messages) passed in arguments.
  22 # If no arguments are given, line locations a read for the standard input (one per line)
  23
  24 red=$(printf "\033[0;31m")
  25 bred=$(printf "\033[1;31m")
  26 green=$(printf "\033[0;32m")
  27 yellow=$(printf "\033[0;33m")
  28 def=$(printf "\033[0m")
  29
  30 colorize()
  31 {
  32         F='\([^:]*\)'
  33         D='\([0-9]*\)'
  34         M='\(.*\)'
  35         sed     -e "s!^$F:$D,$D--$D,$D: $M!X \1 \2 \3 \4 \5 \6!" \
  36                 -e "s!^$F:$D,$D--$D: $M!X \1 \2 \3 \2 \4 \5!" \
  37                 -e "s!^$F:$D,$D: $M!X \1 \2 \3 \2 \3 \4!" \
  38                 -e "s!^$F:$D: $M!X \1 \2 1 \2 eol \3!" \
  39                 -e "s!^$F:$D\$!X \1 \2 1 \2 eol!" |
  40         while read k f l1 c1 l2 c2 m; do
  41                 if [ "$k" != "X" ]; then
  42                         echo "$k $f $l1 $c1 $l2 $c2 $m"
  43                 else
  44                         # Colorize and rewrite the error message
  45                         m=$( echo "$m" |
  46                                 sed     -e "s!^\(Warning:\)\(.*\)!$green\1$def\2!" \
  47                                         -e "s!^\([^:]*[Ee]rror:\)\(.*\)!$bred\1$def\2!"
  48                         )
  49                         echo "$yellow$f$def:$l1,$c1--$l2,$c2: $m"
  50
  51                         # Colorize and show the line
  52                         if [ $c1 = 1 ]; then
  53                                 start="\(\)"
  54                         else
  55                                 start="\(.\{$(($c1-1))\}\)"
  56                         fi
  57                         if [ $l1 = $l2 ]; then
  58                                 if [ $c2 = eol ]; then
  59                                         len="\(.*\)"
  60                                         red=""
  61                                 else
  62                                         len="\(.\{$(($c2 - $c1 + 1))\}\)"
  63                                 fi
  64                                 sed -n -e "${l1}s!^$start$len\(.*\)!    \1$red\2$def\3!p" $f
  65                         else
  66                                 if [ $c2 = 1 ]; then
  67                                         start2="\(\)"
  68                                 else
  69                                         start2="\(.\{$(($c2-1))\}\)"
  70                                 fi
  71                                 # Show only the first line
  72                                 sed -n -e "${l1}s!^$start\(.*\)!        \1$red\2 (...)$def!p" $f
  73                                 #sed -n -e "${l1}s!^$start\(.*\)!       \1$red\2!p" $f
  74                                 #if [ $l1 = $(($l2-2)) ]; then
  75                                 #       sed -n -e "$(($l1+1))s!^\(.*\)! \1!p" $f
  76                                 #elif [ $l1 != $(($l2-1)) ]; then
  77                                 #       sed -n -e "${l1}s!^\([   ]*\).*!        \1...!p" $f
  78                                 #fi
  79                                 #sed -n -e "${l2}s!^$start2\(.*\)!      \1$def\2!p" $f
  80                         fi
  81                 fi
  82         done
  83 }
  84
  85 if [ "$#" = 0 ]; then
  86         colorize
  87 else
  88         for x in "$@"; do
  89                 echo "$x" | colorize
  90         done
  91 fi
  92