Add extras/gen-babeltrace-h.py: include/babeltrace/babeltrace.h generator

[babeltrace.git] / extras / gen-babeltrace-h.py

diff --git a/extras/gen-babeltrace-h.py b/extras/gen-babeltrace-h.py
new file mode 100644 (file)
index 0000000..18310b5
--- /dev/null
+++ b/extras/gen-babeltrace-h.py
@@ -0,0 +1,93 @@
+import re
+
+
+class _Section:
+    def __init__(self, title, filenames):
+        self.title = title
+        self.filenames = filenames
+
+
+def _get_sections(file):
+    sections = []
+    cur_title = None
+    cur_filenames = []
+
+    for line in file:
+        m = re.match(r'^# (.+API.*)$', line)
+
+        if m:
+            if cur_filenames:
+                sections.append(_Section(cur_title, cur_filenames))
+                cur_title = None
+                cur_filenames = []
+
+            cur_title = m.group(1)
+            continue
+
+        m = re.match(r'^\s+(babeltrace/.+\.h).*$', line)
+
+        if m:
+            if m.group(1) != 'babeltrace/babeltrace.h':
+                cur_filenames.append(m.group(1))
+
+            continue
+
+        if re.match(r'^noinst_HEADERS.*', line):
+            break
+
+    if cur_filenames:
+        sections.append(_Section(cur_title, cur_filenames))
+
+    return sections
+
+
+def _c_includes_from_sections(sections):
+    src = ''
+
+    for section in sections:
+        src += '/* {} */\n'.format(section.title)
+
+        for filename in sorted(section.filenames):
+            src += '#include <{}>\n'.format(filename)
+
+        src += '\n'
+
+    return src[:-1]
+
+
+def _main():
+    with open('include/Makefile.am') as f:
+        sections = _get_sections(f)
+
+    print('''#ifndef BABELTRACE_BABELTRACE_H
+#define BABELTRACE_BABELTRACE_H
+
+/*
+ * Babeltrace API
+ *
+ * Copyright 2010-2017 EfficiOS Inc. <http://www.efficios.com/>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+''')
+    print(_c_includes_from_sections(sections))
+    print('#endif /* BABELTRACE_BABELTRACE_H */')
+
+if __name__ == '__main__':
+    _main()