flang/test/Semantics/test_errors.sh

   1 #!/usr/bin/env bash
   2 # Compile a source file and check errors against those listed in the file.
   3 # Change the compiler by setting the FLANG_FC1 environment variable.
   4
   5 FLANG_FC1_OPTIONS="-fsyntax-only"
   6 srcdir=$(dirname $0)
   7 source $srcdir/common.sh
   8 [[ ! -f $src ]] && die "File not found: $src"
   9
  10 log=$temp/log
  11 actual=$temp/actual
  12 expect=$temp/expect
  13 diffs=$temp/diffs
  14
  15 cmd="$FLANG_FC1 $FLANG_FC1_OPTIONS $src"
  16 ( cd $temp; $cmd ) > $log 2>&1
  17 if [[ $? -ge 128 ]]; then
  18   cat $log
  19   exit 1
  20 fi
  21
  22 # $actual has errors from the compiler; $expect has them from !ERROR comments in source
  23 # Format both as "<line>: <text>" so they can be diffed.
  24 sed -n 's=^[^:]*:\([^:]*\):[^:]*: error: =\1: =p' $log > $actual
  25 awk '
  26   BEGIN { FS = "!ERROR: "; }
  27   /^ *!ERROR: / { errors[nerrors++] = $2; next; }
  28   { for (i = 0; i < nerrors; ++i) printf "%d: %s\n", NR, errors[i]; nerrors = 0; }
  29 ' $src > $expect
  30
  31 if diff -U0 $actual $expect > $diffs; then
  32   echo PASS
  33 else
  34   echo "$cmd"
  35   < $diffs \
  36     sed -n -e 's/^-\([0-9]\)/actual at \1/p' -e 's/^+\([0-9]\)/expect at \1/p' \
  37     | sort -n -k 3
  38   die FAIL
  39 fi