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-rw-r--r--media/libopus/gen-sources.py70
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diff --git a/media/libopus/gen-sources.py b/media/libopus/gen-sources.py
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+# 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/.
+
+# This file takes the .mk files from an upstream opus repo and generates the
+# sources.mozbuild file. It is invoked as part of update.sh
+
+import sys
+import re
+
+def add_value(values, text):
+ text = text.replace('\\', '')
+ text = text.strip()
+ if text:
+ values.append(text)
+
+def write_values(output, values):
+ for value in sorted(values, key=lambda x: x.lower()):
+ output.write(" '%s',\n" % value)
+ output.write(']\n\n')
+
+def generate_sources_mozbuild(path):
+ makefiles = [
+ 'celt_sources.mk',
+ 'opus_sources.mk',
+ 'silk_sources.mk',
+ ]
+
+ var_definition = re.compile('([A-Z0-9_]*) = (.*)')
+ with open('sources.mozbuild', 'w') as output:
+
+ output.write('# THIS FILE WAS AUTOMATICALLY GENERATED BY %s. DO NOT EDIT.\n' % sys.argv[0])
+ for makefile in makefiles:
+ values = []
+ definition_started = False
+
+ with open('%s/%s' % (path, makefile), 'r') as mk:
+ for line in mk:
+ line = line.rstrip()
+ result = var_definition.match(line)
+ if result:
+ if definition_started:
+ write_values(output, values)
+ values = []
+ definition_started = True
+
+ # Some variable definitions have the first entry on the
+ # first line. Eg:
+ #
+ # CELT_SOURCES = celt/bands.c
+ #
+ # So we treat the first group as the variable name and
+ # the second group as a potential value.
+ #
+ # Note that we write the variable name in lower case (so
+ # "CELT_SOURCES" in the .mk file becomes "celt_sources"
+ # in the .mozbuild file) because moz.build reserves
+ # upper-case variable names for build system outputs.
+ output.write('%s = [\n' % result.group(1).lower())
+ add_value(values, result.group(2))
+ else:
+ add_value(values, line)
+ write_values(output, values)
+
+if __name__ == '__main__':
+ if len(sys.argv) != 2:
+ print "Usage: %s /path/to/opus" % (sys.argv[0])
+ sys.exit(1)
+
+ generate_sources_mozbuild(sys.argv[1])