contrib/
* check_passes.py: New.
---
contrib/check_passes.py | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 contrib/check_passes.py
diff --git a/contrib/check_passes.py b/contrib/check_passes.py
new file mode 100755
index 0000000..34d18b7
--- /dev/null
+++ b/contrib/check_passes.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# Script to verify passes.def and print statistics about it
+# Requires Python 2.7+ (for collections.Counter)
+
+from collections import Counter
+import re
+import sys
+
+num_errors = 0
+
+def validate(filename):
+ with open(filename) as f:
+ linenum = 1
+ def error(msg):
+ print('%s:%i: %s' % (filename, linenum, msg))
+ global num_errors
+ num_errors += 1
+ singles = set()
+ count = Counter()
+ for line in f:
+ m = re.match(r'^\s+NEXT_PASS \((.+)\);$', line)
+ if m:
+ name = m.group(1)
+ if ',' in name:
+ error('malformed NEXT_PASS: %s' % name)
+ if name in count or name in singles:
+ error('duplicate pass: %s' % name)
+ singles.add(name)
+ m = re.match(r'^\s+NEXT_PASS_NUM \((.+), (.+)\);$', line)
+ if m:
+ name, num = m.group(1), int(m.group(2))
+ count[name] += 1
+ if count[name] != num:
+ error('bad index for %s' % name)
+ linenum += 1
+
+ for name in count:
+ if count[name] == 1:
+ error('only one instance of %s' % name)
+
+ def line():
+ print('-' * 72)
+ def heading(text):
+ line()
+ print(text)
+ line()
+
+ heading('Single-instanced passes (%i)' % len(singles))
+ for name in sorted(singles):
+ print(name)
+
+ heading('Multi-instanced passes (%i)' % len(count))
+ for name in sorted(count):
+ print('%s %i' % (name, count[name]))
+
+validate('../gcc/passes.def')
+if num_errors > 0:
+ sys.exit(1)
--
1.7.11.7
