Split tests a lot

This probably takes longer for a from-scratch compile,
but saves big on incremental recompiles.

1 files changed, 60 insertions, 44 deletions

diff --git a/tools/debug-debug-scripts b/tools/debug-debug-scripts
index e5eeb6c..55bcb85 100755
--- a/tools/debug-debug-scripts
+++ b/tools/debug-debug-scripts
@@ -21,12 +21,15 @@ copyright = '''
 //    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 '''
 
+import glob
 import itertools
 import os
 import subprocess
 import sys
 import tempfile
 
+import protocol
+
 error = False
 
 def eprint(s):
@@ -66,55 +69,68 @@ def c_quote(s):
     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 gen_test(name, expr, expected, w):
+    print('static', file=w)
+    print('void %s()' % name, file=w)
+    print('{', file=w)
+    print('    auto value = %s;' % expr, file=w)
+    print('    const char *expected = %s;' % c_quote(expected), file=w)
+    print('    do_breakpoint(value, expected);', file=w)
+    print('}', file=w)
 
 def main(args):
-    print('// test.cpp - generated by', __file__)
-    print(copyright)
-    print('#include <cstdio>')
-    print('// just mention "fwd.hpp" and "../poison.hpp" to make formatter happy')
-    print('namespace tmwa')
-    print('{')
-    print('} // namespace tmwa')
-    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 = []
+    outdir = args[0]
+    args = args[1:]
+
+    for g in glob.glob(os.path.join(outdir, '*.[ch]pp')):
+        os.rename(g, g + '.old')
+
     for a in args:
+        names = []
         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('}')
+        newbase = basename.split('src/')[1].replace('/', '-')
+        out = os.path.join(outdir, newbase + '.cpp')
+        with protocol.OpenWrite(out) as w:
+            print('// %s.cpp - generated by' % newbase, __file__, file=w)
+            print(copyright, file=w)
+            print('#include <cstdio>', file=w)
+            print('// just mention "fwd.hpp" and "../poison.hpp" to make formatter happy', file=w)
+            print('namespace tmwa', file=w)
+            print('{', file=w)
+            print('} // namespace tmwa', file=w)
+            print(file=w)
+            print('template<class T>', file=w)
+            print('__attribute__((noinline))', file=w)
+            print('void do_breakpoint(const T& value, const char *expected)', file=w)
+            print('{', file=w)
+            print('    (void)value;', file=w)
+            print('    (void)expected;', file=w)
+            print('    if (!expected) printf("printer test: %p = %s\\n", &value, expected);', file=w)
+            print('}', file=w)
+            print(file=w)
+            print('// Tests from', a, file=w)
+            header = basename + '.hpp'
+            print('#include "%s"' % header, file=w)
+
+            for (k, tests, extra) in get_classes_from_file(a):
+                print(file=w)
+                print('// Tests for', k, file=w)
+                print(extra, file=w)
+                for (i, (expr, expected)) in enumerate(tests):
+                    name = 'testset_%s_subtest_%d' % (k, i)
+                    gen_test(name, expr, expected, w)
+                    names.append(name)
+            print('int main()', file=w)
+            print('{', file=w)
+            for n in names:
+                print('    %s();' % n, file=w)
+            print('}', file=w)
+
+    for g in glob.glob(os.path.join(outdir, '*.old')):
+        print('Obsolete: %s' % g)
+        os.remove(g)
+
     if error and not os.getenv('TMWA_FORCE_GENERATE'):
         sys.exit(1)