1 files changed, 52 insertions, 0 deletions
diff --git a/config/make-stl-wrappers.py b/config/make-stl-wrappers.py
new file mode 100644
index 000000000..c0ab21c7e
--- /dev/null
+++ b/config/make-stl-wrappers.py
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+from __future__ import print_function
+import os, re, string, sys
+from mozbuild.util import FileAvoidWrite
+
+def find_in_path(file, searchpath):
+    for dir in searchpath.split(os.pathsep):
+        f = os.path.join(dir, file)
+        if os.path.exists(f):
+            return f
+    return ''
+
+def header_path(header, compiler):
+    if compiler == 'gcc':
+        # we use include_next on gcc
+        return header
+    elif compiler == 'msvc':
+        return find_in_path(header, os.environ.get('INCLUDE', ''))
+    else:
+        # hope someone notices this ...
+        raise NotImplementedError(compiler)
+
+def is_comment(line):
+    return re.match(r'\s*#.*', line)
+
+def main(outdir, compiler, template_file, header_list_file):
+    if not os.path.isdir(outdir):
+        os.mkdir(outdir)
+
+    template = open(template_file, 'r').read()
+
+    for header in open(header_list_file, 'r'):
+        header = header.rstrip()
+        if 0 == len(header) or is_comment(header):
+            continue
+
+        path = header_path(header, compiler)
+        with FileAvoidWrite(os.path.join(outdir, header)) as f:
+            f.write(string.Template(template).substitute(HEADER=header,
+                                                         HEADER_PATH=path))
+
+
+if __name__ == '__main__':
+    if 5 != len(sys.argv):
+        print("""Usage:
+  python {0} OUT_DIR ('msvc'|'gcc') TEMPLATE_FILE HEADER_LIST_FILE
+""".format(sys.argv[0]), file=sys.stderr)
+        sys.exit(1)
+
+    main(*sys.argv[1:])