Add support for Reason (#3336)

samples/C++/bug1163046.--skeleton.re

@@ -0,0 +1,46 @@
+#include <iostream>
+
+#define YYCTYPE unsigned char
+#define YYCURSOR cursor
+#define YYLIMIT cursor
+#define YYMARKER marker
+#define YYFILL(n)
+
+bool scan(const char *text)
+{
+	YYCTYPE *start = (YYCTYPE *)text;
+	YYCTYPE *cursor = (YYCTYPE *)text;
+	YYCTYPE *marker = (YYCTYPE *)text;
+next:
+	YYCTYPE *token = cursor;
+/*!re2c
+'(This file must be converted with BinHex 4.0)'
+	{
+		if (token == start || *(token - 1) == '\n')
+		return true; else goto next;
+	}
+[\001-\377]
+	{ goto next; }
+[\000]
+	{ return false; }
+*/
+	return false;
+}
+
+#define do_scan(str, expect) \
+	res = scan(str) == expect ? 0 : 1; \
+	std::cerr << str << "\t-\t" << (res ? "fail" : "ok") << std::endl; \
+	result += res
+
+/*!max:re2c */
+
+int main(int,void**)
+{
+	int res, result = 0;
+	do_scan("(This file must be converted with BinHex 4.0)", 1);
+	do_scan("x(This file must be converted with BinHex 4.0)", 0);
+	do_scan("(This file must be converted with BinHex 4.0)x", 1);
+	do_scan("x(This file must be converted with BinHex 4.0)x", 0);
+	
+	return result;
+}