clang/utils/make-ast-dump-check.sh

   1 #!/usr/bin/env bash
   2
   3 # This script is intended as a FileCheck replacement to update the test
   4 # expectations in a -ast-dump test.
   5 #
   6 # Usage (to generate normal AST dump tests):
   7 #
   8 # $ lit -DFileCheck=$PWD/utils/make-ast-dump-check.sh test/AST/ast-dump-openmp-*
   9 #
  10 # Usage (to generate serialization AST dump tests):
  11 #
  12 # $ lit -DFileCheck="generate_serialization_test=1 $PWD/utils/make-ast-dump-check.sh"
  13 #     test/AST/ast-dump-openmp-*
  14
  15 prefix=CHECK
  16
  17 if [ -z ${generate_serialization_test+x} ];
  18   then generate_serialization_test=0;
  19 fi
  20
  21 while [[ "$#" -ne 0 ]]; do
  22   case "$1" in
  23   --check-prefix)
  24     shift
  25     prefix="$1"
  26     ;;
  27   --implicit-check-not)
  28     shift
  29     ;;
  30   -*)
  31     ;;
  32   *)
  33     file="$1"
  34     ;;
  35   esac
  36   shift
  37 done
  38
  39 testdir="$(dirname "$file")"
  40
  41 read -r -d '' script <<REWRITE
  42 BEGIN {
  43   skipping_builtins = 0
  44   matched_last_line = 0
  45 }
  46
  47 /^[\`|].* line:/ {
  48   skipping_builtins = 0
  49 }
  50
  51 /^[\`|].* col:/ {
  52   skipping_builtins = 0
  53 }
  54
  55 {
  56   if (skipping_builtins == 1) {
  57     matched_last_line = 0
  58     next
  59   }
  60 }
  61
  62 /TranslationUnitDecl/ {
  63   skipping_builtins = 1
  64 }
  65
  66 {
  67   s = \$0
  68   gsub("0x[0-9a-fA-F]+", "{{.*}}", s)
  69   gsub("$testdir/", "{{.*}}", s)
  70   if ($generate_serialization_test == 1) {
  71     gsub(" imported", "{{( imported)?}}", s)
  72     gsub(" <undeserialized declarations>", "{{( <undeserialized declarations>)?}}", s)
  73     gsub("line:[0-9]+:[0-9]+", "line:{{.*}}", s)
  74     gsub("line:[0-9]+", "line:{{.*}}", s)
  75     gsub("col:[0-9]+", "col:{{.*}}", s)
  76     gsub(":[0-9]+:[0-9]+", "{{.*}}", s)
  77   }
  78 }
  79
  80 matched_last_line == 0 {
  81   print "// ${prefix}:" s
  82 }
  83
  84 matched_last_line == 1 {
  85   print "// ${prefix}-NEXT:" s
  86 }
  87
  88 {
  89   matched_last_line = 1
  90 }
  91 REWRITE
  92
  93 echo "$script"
  94
  95 {
  96   cat "$file" | grep -v "$prefix"
  97   awk "$script"
  98 } > "$file.new"
  99
 100 mv "$file.new" "$file"