make-ast-dump-check.sh
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#! /bin/bash
# This script is intended as a FileCheck replacement to update the test
# expectations in a -ast-dump test.
#
# Usage (to generate normal AST dump tests):
#
# $ lit -DFileCheck=$PWD/utils/make-ast-dump-check.sh test/AST/ast-dump-openmp-*
#
# Usage (to generate serialization AST dump tests):
#
# $ lit -DFileCheck="generate_serialization_test=1 $PWD/utils/make-ast-dump-check.sh"
# test/AST/ast-dump-openmp-*
prefix=CHECK
if [ -z ${generate_serialization_test+x} ];
then generate_serialization_test=0;
fi
while [[ "$#" -ne 0 ]]; do
case "$1" in
--check-prefix)
shift
prefix="$1"
;;
--implicit-check-not)
shift
;;
-*)
;;
*)
file="$1"
;;
esac
shift
done
testdir="$(dirname "$file")"
read -r -d '' script <<REWRITE
BEGIN {
skipping_builtins = 0
matched_last_line = 0
}
/^[\`|].* line:/ {
skipping_builtins = 0
}
/^[\`|].* col:/ {
skipping_builtins = 0
}
{
if (skipping_builtins == 1) {
matched_last_line = 0
next
}
}
/TranslationUnitDecl/ {
skipping_builtins = 1
}
{
s = \$0
gsub("0x[0-9a-fA-F]+", "{{.*}}", s)
gsub("$testdir/", "{{.*}}", s)
if ($generate_serialization_test == 1) {
gsub(" imported", "{{( imported)?}}", s)
gsub(" <undeserialized declarations>", "{{( <undeserialized declarations>)?}}", s)
gsub("line:[0-9]+:[0-9]+", "line:{{.*}}", s)
gsub("line:[0-9]+", "line:{{.*}}", s)
gsub("col:[0-9]+", "col:{{.*}}", s)
gsub(":[0-9]+:[0-9]+", "{{.*}}", s)
}
}
matched_last_line == 0 {
print "// ${prefix}:" s
}
matched_last_line == 1 {
print "// ${prefix}-NEXT:" s
}
{
matched_last_line = 1
}
REWRITE
echo "$script"
{
cat "$file" | grep -v "$prefix"
awk "$script"
} > "$file.new"
mv "$file.new" "$file"