Increment iterator now because IVUseShouldUsePostIncValue may remove

[oota-llvm.git] / utils / countloc.sh

diff --git a/utils/countloc.sh b/utils/countloc.sh
index cc67afe0336c685301030d1b82ecf4989b0855e6..988e80360a4d823f626276ac376e413f820df741 100755 (executable)
--- a/utils/countloc.sh
+++ b/utils/countloc.sh
@@ -12,16 +12,29 @@
 # (excluding certain things), runs "wc -l" on them to get the number of lines in
 # each file and then sums up and prints the total with awk. 
 #
-# The script takes no arguments but does expect to be run from the top llvm
-# source directory.
+# The script takes one optional option, -topdir, which specifies the top llvm
+# source directory. If it is not specified then the llvm-config tool is 
+# consulted to find top source dir.  
 #
-TOPDIR=`pwd | sed -e 's#\(.*/llvm\).*#\1#'`
+# Note that the implementation is based on llvmdo. See that script for more
+# details.
+##===----------------------------------------------------------------------===##
+
+if test $# -gt 1 ; then
+  if test "$1" = "-topdir" ; then
+    TOPDIR="$2"
+    shift; shift;
+  else
+    TOPDIR=`llvm-config --src-root`
+  fi
+fi
+
 if test -d "$TOPDIR" ; then
   cd $TOPDIR
-  ./utils/llvmdo -dirs "include lib tools test utils examples" wc -l | awk '\
+  ./utils/llvmdo -topdir "$TOPDIR" -dirs "include lib tools test utils examples" -code-only wc -l | awk '\
       BEGIN { loc=0; } \
       { loc += $1; } \
       END { print loc; }'
 else
-  echo "Can't find LLVM top directory in $TOPDIR"
+  echo "Can't find LLVM top directory"
 fi