add coverage.py: check test suite coverage.

diff --git a/buildscripts/coverage.py b/buildscripts/coverage.py
new file mode 100644 (file)
index 0000000..bcf8617
--- /dev/null
+++ b/buildscripts/coverage.py
@@ -0,0 +1,43 @@
+#!/bin/sh
+import os
+import glob
+import re
+
+cmds = """
+./configure --enable-config=cov --disable-optimising
+make conf=cov -j2
+make conf=cov test LILYPOND_JOBS=          
+
+cd out-cov
+ln ../lily/* .
+ln ../lily/out-conv/*cc .
+mkdir include
+ln ../lily/include/* include/
+for a in *[cyl] ; do  gcov -o ../lily/out-cov/  -p $a > $a.gcov-summary ; done 
+"""
+
+cmds = ''
+
+for c in cmds.split ('\n'):
+    os.system (c)
+
+os.chdir ('out-cov')
+
+#File 'accidental-engraver.cc'
+#Lines executed:87.70% of 252
+
+results = []
+for f in glob.glob ('*.gcov-summary'):
+    str = open (f).read ()
+    m = re.search ("File '([^']+.cc)'\s*Lines executed:([0-9.]+)% of ([0-9]+)", str)
+    if '/usr/lib' in m.group (1):
+        continue
+   
+    if m:
+        tup = (float (m.group (2)), int (m.group (3)), m.group (1))
+        results.append(tup)
+
+results.sort ()
+for r in results:
+    print '%5.2f (%6d): %s' % r
+