2 files changed, 78 insertions, 0 deletions
diff --git a/vendor/github.com/byzantine-lab/mcl/ffi/js/export-functions.py b/vendor/github.com/byzantine-lab/mcl/ffi/js/export-functions.py
new file mode 100644
index 000000000..2a929564b
--- /dev/null
+++ b/vendor/github.com/byzantine-lab/mcl/ffi/js/export-functions.py
@@ -0,0 +1,73 @@
+import sys, re, argparse
+
+#RE_PROTOTYPE = re.compile(r'MCLBN_DLL_API\s\w\s\w\([^)]*\);')
+RE_PROTOTYPE = re.compile(r'\w*\s(\w*)\s(\w*)\(([^)]*)\);')
+def export_functions(args, fileNames, reToAddUnderscore):
+	modName = args.js
+	json = args.json
+	if not reToAddUnderscore:
+		reToAddUnderscore = r'(mclBn_init|setStr|getStr|[sS]erialize|setLittleEndian|setHashOf|hashAndMapTo|DecStr|HexStr|HashTo|blsSign|blsVerify|GetCurveOrder|GetFieldOrder|KeyShare|KeyRecover|blsSignatureRecover|blsInit)'
+	reSpecialFunctionName = re.compile(reToAddUnderscore)
+	if json:
+		print '['
+	elif modName:
+		print 'function define_exported_' + modName + '(mod) {'
+	comma = ''
+	for fileName in fileNames:
+		with open(fileName, 'rb') as f:
+			for line in f.readlines():
+				p = RE_PROTOTYPE.search(line)
+				if p:
+					ret = p.group(1)
+					name = p.group(2)
+					arg = p.group(3)
+					if json or modName:
+						retType = 'null' if ret == 'void' else 'number'
+						if arg == '' or arg == 'void':
+							paramNum = 0
+						else:
+							paramNum = len(arg.split(','))
+						if reSpecialFunctionName.search(name):
+							exportName = '_' + name # to wrap function
+						else:
+							exportName = name
+						if json:
+							print comma + '{'
+							if comma == '':
+								comma = ','
+							print '  "name":"{0}",'.format(name)
+							print '  "exportName":"{0}",'.format(exportName)
+							print '  "ret":"{0}",'.format(retType)
+							print '  "args":[',
+							if paramNum > 0:
+								print '"number"' + (', "number"' * (paramNum - 1)),
+							print ']'
+							print '}'
+						else:
+							paramType = '[' + ("'number', " * paramNum) + ']'
+							print "{0} = mod.cwrap('{1}', '{2}', {3})".format(exportName, name, retType, paramType)
+					else:
+						print comma + "'_" + name + "'",
+						if comma == '':
+							comma = ','
+	if json:
+		print ']'
+	elif modName:
+		print '}'
+
+def main():
+	p = argparse.ArgumentParser('export_functions')
+	p.add_argument('header', type=str, nargs='+', help='headers')
+	p.add_argument('-js', type=str, nargs='?', help='module name')
+	p.add_argument('-re', type=str, nargs='?', help='regular expression file to add underscore to function name')
+	p.add_argument('-json', action='store_true', help='output json')
+	args = p.parse_args()
+
+	reToAddUnderscore = ''
+	if args.re:
+		reToAddUnderscore = open(args.re).read().strip()
+	export_functions(args, args.header, reToAddUnderscore)
+
+if __name__ == '__main__':
+    main()
+
diff --git a/vendor/github.com/byzantine-lab/mcl/ffi/js/pre-mcl.js b/vendor/github.com/byzantine-lab/mcl/ffi/js/pre-mcl.js
new file mode 100644
index 000000000..ebc93e581
--- /dev/null
+++ b/vendor/github.com/byzantine-lab/mcl/ffi/js/pre-mcl.js
@@ -0,0 +1,5 @@
+if (typeof __dirname === 'string') {
+  var Module = {}
+  Module.wasmBinaryFile = __dirname + '/mcl_c.wasm'
+}
+