1// re2c $INPUT -o $OUTPUT -u --encoding-policy ignore
2#include <stdio.h>
3
4#define YYCTYPE unsigned int
5bool scan(const YYCTYPE * start, const YYCTYPE * const limit)
6{
7	__attribute__((unused)) const YYCTYPE * YYMARKER; // silence compiler warnings when YYMARKER is not used
8#	define YYCURSOR start
9Pc:
10	/*!re2c
11		re2c:yyfill:enable = 0;
12		Pc = [\x5f-\x5f\u203f-\u2040\u2054-\u2054\ufe33-\ufe34\ufe4d-\ufe4f\uff3f-\uff3f];
13		Pc { goto Pc; }
14		* { return YYCURSOR == limit; }
15	*/
16}
17static const unsigned int chars_Pc [] = {0x5f,0x5f,  0x203f,0x2040,  0x2054,0x2054,  0xfe33,0xfe34,  0xfe4d,0xfe4f,  0xff3f,0xff3f,  0x0,0x0};
18static unsigned int encode_utf32 (const unsigned int * ranges, unsigned int ranges_count, unsigned int * s)
19{
20	unsigned int * const s_start = s;
21	for (unsigned int i = 0; i < ranges_count; i += 2)
22		for (unsigned int j = ranges[i]; j <= ranges[i + 1]; ++j)
23			*s++ = j;
24	return s - s_start;
25}
26
27int main ()
28{
29	unsigned int * buffer_Pc = new unsigned int [11];
30	YYCTYPE * s = (YYCTYPE *) buffer_Pc;
31	unsigned int buffer_len = encode_utf32 (chars_Pc, sizeof (chars_Pc) / sizeof (unsigned int), buffer_Pc);
32	/* convert 32-bit code units to YYCTYPE; reuse the same buffer */
33	for (unsigned int i = 0; i < buffer_len; ++i) s[i] = buffer_Pc[i];
34	if (!scan (s, s + buffer_len))
35		printf("test 'Pc' failed\n");
36	delete [] buffer_Pc;
37	return 0;
38}
39