/* Generated by re2c */ #line 1 "repeater.re" #include #include #include #define RET(n) return n int scan(const char *s, int l){ const char *p = s; const char *q; #define YYCTYPE char #define YYCURSOR p #define YYLIMIT (s+l) #define YYMARKER q #define YYFILL(n) #line 19 "" { YYCTYPE yych; unsigned int yyaccept = 0; if((YYLIMIT - YYCURSOR) < 7) YYFILL(7); yych = *YYCURSOR; switch(yych) { case 0x0A: case 'q': goto yy7; case 'A': goto yy2; case 'a': goto yy4; default: goto yy6; } yy2: yyaccept = 0; yych = *(YYMARKER = ++YYCURSOR); switch(yych) { case 0x0A: goto yy10; case 'A': case 'a': goto yy8; default: goto yy3; } yy3: #line 22 "repeater.re" {RET(5);} #line 45 "" yy4: yyaccept = 1; yych = *(YYMARKER = ++YYCURSOR); switch(yych) { case 0x0A: goto yy10; case 'A': case 'a': goto yy8; default: goto yy5; } yy5: #line 23 "repeater.re" {RET(0);} #line 58 "" yy6: yych = *++YYCURSOR; goto yy3; yy7: yych = *++YYCURSOR; goto yy5; yy8: yych = *++YYCURSOR; switch(yych) { case 0x0A: goto yy13; case 'A': case 'a': goto yy12; default: goto yy9; } yy9: YYCURSOR = YYMARKER; switch(yyaccept) { case 0: goto yy3; case 1: goto yy5; } yy10: ++YYCURSOR; #line 18 "repeater.re" {RET(1);} #line 83 "" yy12: yych = *++YYCURSOR; switch(yych) { case 0x0A: goto yy13; case 'A': case 'a': goto yy15; default: goto yy9; } yy13: ++YYCURSOR; #line 19 "repeater.re" {RET(2);} #line 96 "" yy15: yych = *++YYCURSOR; switch(yych) { case 0x0A: goto yy17; case 'A': case 'a': goto yy16; default: goto yy9; } yy16: yych = *++YYCURSOR; switch(yych) { case 0x0A: goto yy17; case 'A': case 'a': goto yy19; default: goto yy9; } yy17: ++YYCURSOR; #line 21 "repeater.re" {RET(4);} #line 117 "" yy19: yych = *++YYCURSOR; switch(yych) { case 0x0A: goto yy20; default: goto yy23; } yy20: ++YYCURSOR; #line 20 "repeater.re" {RET(3);} #line 128 "" yy22: ++YYCURSOR; if(YYLIMIT == YYCURSOR) YYFILL(1); yych = *YYCURSOR; yy23: switch(yych) { case 0x0A: goto yy17; case 'A': case 'a': goto yy22; default: goto yy9; } } #line 24 "repeater.re" } void _do_scan(int exp, const char * str, int len) { int ret = scan(str, len); printf("%d %s %d\n", exp, exp == ret ? "==" : "!=", ret); } #define do_scan(exp, str) _do_scan(exp, str, sizeof(str) - 1) main() { do_scan(1, "a\n"); do_scan(2, "aa\n"); do_scan(2, "aaa\n"); do_scan(4, "aaaa\n"); do_scan(0, "q"); do_scan(0, "a"); do_scan(1, "A\n"); do_scan(2, "AA\n"); do_scan(2, "aAa\n"); do_scan(4, "AaaA\n"); do_scan(5, "Q"); do_scan(4, "AaaAa\n"); do_scan(3, "AaaAaA\n"); do_scan(5, "A"); do_scan(0, "\n"); do_scan(5, "0"); do_scan(0, "a"); do_scan(0, "q"); do_scan(5, "x"); }