Debug debugging

1 files changed, 99 insertions, 0 deletions

diff --git a/tools/debug-debug-scripts b/tools/debug-debug-scripts
new file mode 100755
index 0000000..79520e9
--- /dev/null
+++ b/tools/debug-debug-scripts
@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import itertools
+import os
+import subprocess
+import sys
+import tempfile
+
+error = False
+
+def eprint(s):
+    print('Error:', s, file=sys.stderr)
+
+def get_classes_from_file(a):
+    global error
+    d = {}
+    execfile(a, d)
+    for (k, v) in sorted(d.items()):
+        try:
+            name = v.name
+        except AttributeError:
+            if hasattr(v, 'enabled') and hasattr(v, 'tests'):
+                name = 'None::' + k
+            else:
+                continue
+        else:
+            if name.split('::')[-1] != k:
+                eprint('Mismatch: class %s is for %s' % (k, name))
+                error = True
+        if not v.enabled:
+            eprint('Disabled: %s' % name)
+            continue
+
+        try:
+            tests = v.tests
+        except AttributeError:
+            eprint('Unimplemented tests for %s' % name)
+            error = True
+            continue
+        extra = getattr(v, 'test_extra', '').rstrip(' ')
+        yield (k, tests, extra)
+
+def c_quote(s):
+    s = s.replace('\\', '\\\\')
+    s = s.replace('"', '\\"')
+    return '"' + s + '"'
+
+def gen_test(name, expr, expected):
+    print('static')
+    print('void %s()' % name)
+    print('{')
+    print('    auto value = %s;' % expr)
+    print('    const char *expected = %s;' % c_quote(expected))
+    print('    do_breakpoint(value, expected);')
+    print('}')
+
+def main(args):
+    print('// Generated by', __file__)
+    print('#include <cstdio>')
+    print()
+    print('template<class T>')
+    print('__attribute__((noinline))')
+    print('void do_breakpoint(const T& value, const char *expected)')
+    print('{')
+    print('    (void)value;')
+    print('    (void)expected;')
+    print('    if (!expected) printf("printer test: %p = %s\\n", &value, expected);')
+    print('}')
+
+    names = []
+    for a in args:
+        basename, ext = os.path.splitext(a)
+        assert ext == '.py'
+        print()
+        print('// Tests from', a)
+        header = basename + '.hpp'
+        print('#include "%s"' % header)
+
+        for (k, tests, extra) in get_classes_from_file(a):
+            print()
+            print('// Tests for', k)
+            print(extra)
+            for (i, (expr, expected)) in enumerate(tests):
+                name = 'testset_%s_subtest_%d' % (k, i)
+                gen_test(name, expr, expected)
+                names.append(name)
+    print('int main()')
+    print('{')
+    for n in names:
+        print('    %s();' % n)
+    print('}')
+    if error and not os.getenv('TMWA_FORCE_GENERATE'):
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+    main(sys.argv[1:])