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-rwxr-xr-xsrc/wasm2c_tmpl.py80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/wasm2c_tmpl.py b/src/wasm2c_tmpl.py
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+++ b/src/wasm2c_tmpl.py
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+#!/usr/bin/env python
+#
+# Copyright 2018 WebAssembly Community Group participants
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+from __future__ import print_function
+import argparse
+try:
+ from cStringIO import StringIO
+except ImportError:
+ from io import StringIO
+import os
+import sys
+
+def EscapeCString(s):
+ out = ''
+ for b in bytearray(s.encode('utf-8')):
+ if b in (34, 92):
+ # " or \
+ out += '\\' + chr(b)
+ elif b == 10:
+ # newline
+ out += '\\n'
+ elif 32 <= b <= 127:
+ # printable char
+ out += chr(b)
+ else:
+ # non-printable; write as \xab
+ out += '\\x%02x' % b
+
+ return out
+
+
+def main(args):
+ arg_parser = argparse.ArgumentParser()
+ arg_parser.add_argument('-o', '--output', metavar='PATH',
+ help='output file.')
+ arg_parser.add_argument('file', help='input file.')
+ options = arg_parser.parse_args(args)
+
+ section_name = None
+ output = StringIO()
+
+ output.write('/* Generated from \'%s\' by wasm2c_tmpl.py, do not edit! */\n' %
+ os.path.basename(options.file))
+
+ with open(options.file) as f:
+ for line in f.readlines():
+ if line.startswith('%%'):
+ if section_name is not None:
+ output.write(';\n\n');
+ section_name = line[2:-1]
+ output.write('const char SECTION_NAME(%s)[] =\n' % section_name)
+ else:
+ output.write('"%s"\n' % EscapeCString(line))
+
+ output.write(';\n');
+ if options.output:
+ with open(options.output, 'w') as outf:
+ outf.write(output.getvalue())
+ else:
+ sys.stdout.write(output.getvalue())
+
+ return 0
+
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv[1:]))