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/* Generated by re2c */ // re2c $INPUT -o $OUTPUT -i #include <assert.h> #include <stdio.h> #include <string> #include <vector> typedef std::vector<std::pair<std::string, std::string> > unknown_t; struct options_t { std::string date; std::string path; std::string format; std::string limit; bool verbose; }; static void show(const options_t &o, const unknown_t &u) { fprintf(stderr, "\noptions:\n"); fprintf(stderr, " date: %s\n", o.date.c_str()); fprintf(stderr, " path: %s\n", o.path.c_str()); fprintf(stderr, " format: %s\n", o.format.c_str()); fprintf(stderr, " limit: %s\n", o.limit.c_str()); fprintf(stderr, " verbose: %s\n", o.verbose ? "yes" : "no"); fprintf(stderr, "\nunknown:\n"); unknown_t::const_iterator i = u.begin(), e = u.end(); for (; i != e; ++i) { fprintf(stderr, " %s: '%s'\n", i->first.c_str(), i->second.c_str()); } } static void bad_arg(const char *k, const char *v, const char *e) { fprintf(stderr, "bad argument '%.*s' to option %.*s\n", (int) (e - v), v, (int) (v - k), k); } static int lex(const char *s) { options_t o; unknown_t u; const char *m, *k, *v; const char *yyt1;const char *yyt2;const char *yyt3;const char *yyt4;const char *yyt5; for (;;) { { char yych; unsigned int yyaccept = 0; yych = *s; switch (yych) { case 0x00: goto yy1; case '\t': case '\n': case '\r': case ' ': goto yy4; case '-': yyt2 = s; goto yy6; default: goto yy2; } yy1: ++s; { show(o, u); return 0; } yy2: ++s; yy3: { fprintf(stderr, "error: %s\n", s); return 1; } yy4: yych = *++s; switch (yych) { case '\t': case '\n': case '\r': case ' ': goto yy4; default: goto yy5; } yy5: { continue; } yy6: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy3; case '-': yyt3 = s; goto yy10; case 'd': yyt3 = s; goto yy11; case 'f': yyt3 = s; goto yy13; case 'l': yyt3 = s; goto yy14; case 'p': yyt3 = s; goto yy15; case 'v': yyt3 = s; goto yy17; default: yyt3 = s; goto yy7; } yy7: yych = *++s; yy8: switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt4 = s; goto yy9; case '"': yyt4 = s; goto yy19; case '=': yyt4 = s; goto yy20; default: goto yy7; } yy9: k = yyt3; v = yyt4; { u.push_back(std::make_pair(std::string(k, v), std::string(v, s))); continue; } yy10: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt4 = s; goto yy9; case '"': yyt1 = yyt4 = s; goto yy21; case '=': yyt4 = s; goto yy20; case 'd': yyt1 = s; goto yy22; case 'f': yyt1 = s; goto yy23; case 'l': yyt1 = s; goto yy24; case 'p': yyt1 = s; goto yy25; case 'v': yyt1 = s; goto yy26; default: yyt3 = s; goto yy7; } yy11: yych = *++s; yyt5 = s; switch (yych) { case '"': goto yy29; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy30; case '=': goto yy31; default: goto yy28; } yy12: k = yyt2; v = yyt5; { bad_arg(k, v, s); continue; } yy13: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt1 = yyt5 = s; goto yy32; case '=': yyt5 = s; goto yy31; default: yyt5 = s; goto yy27; } yy14: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt5 = s; goto yy29; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': yyt1 = yyt5 = s; goto yy33; case '=': yyt5 = s; goto yy31; default: yyt5 = s; goto yy27; } yy15: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt1 = s; goto yy16; case '"': yyt1 = yyt5 = s; goto yy36; case '=': yyt5 = s; goto yy31; default: yyt1 = s; goto yy35; } yy16: v = yyt1; { o.path = std::string(v, s); continue; } yy17: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy18; default: goto yy8; } yy18: { o.verbose = true; continue; } yy19: yyaccept = 0; yych = *(m = ++s); switch (yych) { case 0x00: yyt4 = s; goto yy9; case '\t': case '\n': case '\r': case ' ': goto yy37; case '"': yyt4 = s; goto yy19; case '=': yyt4 = s; goto yy20; default: goto yy19; } yy20: yych = *++s; switch (yych) { case '"': goto yy41; default: goto yy40; } yy21: yyaccept = 1; yych = *(m = ++s); switch (yych) { case 0x00: yyt3 = yyt1; yyt4 = s; goto yy9; case '\t': case '\n': case '\r': case ' ': goto yy37; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; default: goto yy21; } yy22: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'a': goto yy42; default: yyt3 = yyt1; goto yy7; } yy23: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'o': goto yy43; default: yyt3 = yyt1; goto yy7; } yy24: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'i': goto yy44; default: yyt3 = yyt1; goto yy7; } yy25: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'a': goto yy45; default: yyt3 = yyt1; goto yy7; } yy26: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'e': goto yy46; default: yyt3 = yyt1; goto yy7; } yy27: yych = *++s; yy28: switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy12; case '"': yyt4 = s; goto yy47; case '=': yyt4 = s; goto yy20; default: goto yy27; } yy29: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: goto yy12; case '\t': case '\n': case '\r': case ' ': goto yy48; case '=': yyt4 = s; goto yy20; default: goto yy29; } yy30: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy49; default: goto yy28; } yy31: yych = *++s; switch (yych) { case '"': goto yy52; default: goto yy51; } yy32: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: goto yy12; case '\t': case '\n': case '\r': case ' ': goto yy53; case '"': goto yy54; case '=': yyt4 = s; goto yy20; default: goto yy32; } yy33: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy34; case '"': yyt4 = s; goto yy47; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy33; case '=': yyt4 = s; goto yy20; case 'B': case 'G': case 'K': case 'M': goto yy56; default: goto yy27; } yy34: v = yyt1; { o.limit = std::string(v, s); continue; } yy35: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy16; case '"': yyt4 = s; goto yy57; case '=': yyt4 = s; goto yy20; default: goto yy35; } yy36: yyaccept = 3; yych = *(m = ++s); switch (yych) { case 0x00: goto yy16; case '\t': case '\n': case '\r': case ' ': goto yy48; case '=': yyt4 = s; goto yy20; default: goto yy36; } yy37: yych = *++s; switch (yych) { case 0x00: case '=': goto yy38; case '"': goto yy58; default: goto yy37; } yy38: s = m; switch (yyaccept) { case 0: yyt4 = s; goto yy9; case 1: yyt3 = yyt1; yyt4 = s; goto yy9; case 2: goto yy12; case 3: goto yy16; case 4: goto yy9; default: goto yy55; } yy39: yych = *++s; yy40: switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy9; default: goto yy39; } yy41: yyaccept = 4; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy9; case '\t': case '\n': case '\r': case ' ': goto yy37; default: goto yy41; } yy42: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 't': goto yy59; default: yyt3 = yyt1; goto yy7; } yy43: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'r': goto yy60; default: yyt3 = yyt1; goto yy7; } yy44: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'm': goto yy61; default: yyt3 = yyt1; goto yy7; } yy45: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 't': goto yy62; default: yyt3 = yyt1; goto yy7; } yy46: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'r': goto yy63; default: yyt3 = yyt1; goto yy7; } yy47: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: goto yy12; case '\t': case '\n': case '\r': case ' ': goto yy37; case '"': yyt4 = s; goto yy47; case '=': yyt4 = s; goto yy20; default: goto yy47; } yy48: yych = *++s; switch (yych) { case 0x00: case '=': goto yy38; case '"': goto yy64; default: goto yy48; } yy49: yych = *++s; switch (yych) { case '/': goto yy65; default: goto yy28; } yy50: yych = *++s; yy51: switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy12; default: goto yy50; } yy52: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy12; case '\t': case '\n': case '\r': case ' ': goto yy48; default: goto yy52; } yy53: yych = *++s; switch (yych) { case 0x00: case '=': goto yy38; case '"': goto yy66; default: goto yy53; } yy54: yyaccept = 5; yych = *(m = ++s); switch (yych) { case 0x00: goto yy55; case '\t': case '\n': case '\r': case ' ': goto yy53; case '"': goto yy54; case '=': yyt4 = s; goto yy20; default: goto yy32; } yy55: v = yyt1; { o.format = std::string(v, s); continue; } yy56: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy34; default: goto yy28; } yy57: yyaccept = 3; yych = *(m = ++s); switch (yych) { case 0x00: goto yy16; case '\t': case '\n': case '\r': case ' ': goto yy37; case '"': yyt4 = s; goto yy57; case '=': yyt4 = s; goto yy20; default: goto yy57; } yy58: yyaccept = 4; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy9; case '"': goto yy58; default: goto yy37; } yy59: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'e': goto yy67; default: yyt3 = yyt1; goto yy7; } yy60: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'm': goto yy68; default: yyt3 = yyt1; goto yy7; } yy61: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'i': goto yy69; default: yyt3 = yyt1; goto yy7; } yy62: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'h': goto yy70; default: yyt3 = yyt1; goto yy7; } yy63: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'b': goto yy71; default: yyt3 = yyt1; goto yy7; } yy64: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy12; case '"': goto yy64; default: goto yy48; } yy65: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy72; default: goto yy28; } yy66: yyaccept = 5; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy55; case '"': goto yy66; default: goto yy53; } yy67: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt3 = yyt1; yyt5 = s; goto yy29; case '=': yyt5 = s; goto yy73; default: yyt3 = yyt1; yyt5 = s; goto yy27; } yy68: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'a': goto yy74; default: yyt3 = yyt1; goto yy7; } yy69: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 't': goto yy75; default: yyt3 = yyt1; goto yy7; } yy70: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt3 = yyt1; yyt5 = s; goto yy29; case '=': yyt5 = s; goto yy76; default: yyt3 = yyt1; yyt5 = s; goto yy27; } yy71: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'o': goto yy77; default: yyt3 = yyt1; goto yy7; } yy72: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy78; default: goto yy28; } yy73: yych = *++s; switch (yych) { case '"': goto yy52; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy79; default: goto yy51; } yy74: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 't': goto yy80; default: yyt3 = yyt1; goto yy7; } yy75: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt3 = yyt1; yyt5 = s; goto yy29; case '=': yyt5 = s; goto yy81; default: yyt3 = yyt1; yyt5 = s; goto yy27; } yy76: yych = *++s; yyt1 = s; switch (yych) { case '"': goto yy84; default: goto yy83; } yy77: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 's': goto yy85; default: yyt3 = yyt1; goto yy7; } yy78: yych = *++s; switch (yych) { case '/': goto yy86; default: goto yy28; } yy79: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy87; default: goto yy51; } yy80: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt5 = s; goto yy12; case '"': yyt3 = yyt1; yyt5 = s; goto yy29; case '=': yyt5 = s; goto yy88; default: yyt3 = yyt1; yyt5 = s; goto yy27; } yy81: yych = *++s; switch (yych) { case '"': goto yy52; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': yyt1 = s; goto yy89; default: goto yy51; } yy82: yych = *++s; yy83: switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy16; default: goto yy82; } yy84: yyaccept = 3; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy16; case '\t': case '\n': case '\r': case ' ': goto yy48; default: goto yy84; } yy85: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': yyt3 = yyt1; yyt4 = s; goto yy9; case '"': yyt3 = yyt1; yyt4 = s; goto yy19; case '=': yyt3 = yyt1; yyt4 = s; goto yy20; case 'e': yyt3 = yyt1; goto yy17; default: yyt3 = yyt1; goto yy7; } yy86: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy90; default: goto yy28; } yy87: yych = *++s; switch (yych) { case '/': goto yy91; default: goto yy51; } yy88: yych = *++s; switch (yych) { case '"': yyt1 = s; goto yy92; default: goto yy51; } yy89: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy34; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy89; case 'B': case 'G': case 'K': case 'M': goto yy93; default: goto yy50; } yy90: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy94; default: goto yy28; } yy91: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy95; default: goto yy51; } yy92: yyaccept = 2; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy12; case '\t': case '\n': case '\r': case ' ': goto yy53; case '"': goto yy96; default: goto yy92; } yy93: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy34; default: goto yy50; } yy94: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy97; default: goto yy28; } yy95: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy98; default: goto yy51; } yy96: yyaccept = 5; yych = *(m = ++s); switch (yych) { case 0x00: case '=': goto yy55; case '\t': case '\n': case '\r': case ' ': goto yy53; case '"': goto yy96; default: goto yy92; } yy97: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy99; default: goto yy28; } yy98: yych = *++s; switch (yych) { case '/': goto yy101; default: goto yy51; } yy99: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': goto yy100; default: goto yy28; } yy100: v = s - 10; { o.date = std::string(v, s); continue; } yy101: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy102; default: goto yy51; } yy102: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy103; default: goto yy51; } yy103: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy104; default: goto yy51; } yy104: yych = *++s; switch (yych) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': goto yy105; default: goto yy51; } yy105: yych = *++s; switch (yych) { case 0x00: case '\t': case '\n': case '\r': case ' ': case '=': goto yy100; default: goto yy50; } } } } int main() { assert(lex("-v --limit=8K -d08/08/1985 -p/usr/src/linux " "--format=\"%s\" --limit -f=3 --verbos --d\"19th May\"") == 0); return 0; } c/submatch/parse_options.re:68:12: warning: rule matches empty string [-Wmatch-empty-string] c/submatch/parse_options.re:80:35: warning: tag 'k' has 2nd degree of nondeterminism [-Wnondeterministic-tags] c/submatch/parse_options.re:80:35: warning: tag 'v' has 2nd degree of nondeterminism [-Wnondeterministic-tags]