/* Generated by re2c */
#line 1 "c/eof/05_fake_sentinel_eof_rule.re"
// re2c $INPUT -o $OUTPUT
#include <assert.h>
#include <stdlib.h>
#include <string.h>

static int lex(const char *str, unsigned int len) {
    // For the sake of example create a string without terminating null.
    char *buf = (char*) malloc(len);
    memcpy(buf, str, len);

    const char *cur = buf, *lim = buf + len, *mar;
    int count = 0;

    for (;;) {
    
#line 19 "c/eof/05_fake_sentinel_eof_rule.c"
{
	unsigned char yych;
	yych = cur < lim ? *cur : 0;
	switch (yych) {
		case ' ': goto yy3;
		case '\'': goto yy5;
		default:
			if (cur >= lim) goto yy10;
			goto yy1;
	}
yy1:
	++cur;
yy2:
#line 29 "c/eof/05_fake_sentinel_eof_rule.re"
	{ count = -1; break; }
#line 35 "c/eof/05_fake_sentinel_eof_rule.c"
yy3:
	++cur;
	yych = cur < lim ? *cur : 0;
	switch (yych) {
		case ' ': goto yy3;
		default: goto yy4;
	}
yy4:
#line 32 "c/eof/05_fake_sentinel_eof_rule.re"
	{ continue; }
#line 46 "c/eof/05_fake_sentinel_eof_rule.c"
yy5:
	++cur;
	mar = cur;
	yych = cur < lim ? *cur : 0;
	if (yych >= 0x01) goto yy7;
	if (cur >= lim) goto yy2;
yy6:
	++cur;
	yych = cur < lim ? *cur : 0;
yy7:
	switch (yych) {
		case '\'': goto yy8;
		case '\\': goto yy9;
		default:
			if (cur >= lim) goto yy11;
			goto yy6;
	}
yy8:
	++cur;
#line 31 "c/eof/05_fake_sentinel_eof_rule.re"
	{ ++count; continue; }
#line 68 "c/eof/05_fake_sentinel_eof_rule.c"
yy9:
	++cur;
	yych = cur < lim ? *cur : 0;
	if (yych <= 0x00) {
		if (cur >= lim) goto yy11;
		goto yy6;
	}
	goto yy6;
yy10:
#line 30 "c/eof/05_fake_sentinel_eof_rule.re"
	{ break;; }
#line 80 "c/eof/05_fake_sentinel_eof_rule.c"
yy11:
	cur = mar;
	goto yy2;
}
#line 33 "c/eof/05_fake_sentinel_eof_rule.re"

    }

    free(buf);
    return count;
}

#define TEST(s, r) assert(lex(s, sizeof(s) - 1) == r)
int main() {
    TEST("", 0);
    TEST("'qu\0tes' 'are' 'fine: \\'' ", 3);
    TEST("'unterminated\\'", -1);
    return 0;
}
