Server IP : 85.214.239.14 / Your IP : 18.191.84.179 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/cwd/proc/3/root/usr/share/doc/re2c/examples/c/reuse/ |
Upload File : |
// re2c $INPUT -o $OUTPUT --input-encoding utf8 #include <assert.h> #include <stdint.h> // This example supports multiple input encodings: UTF-8 and UTF-32. // Both lexers are generated from the same rules block, and the use // blocks add only encoding-specific configurations. /*!rules:re2c re2c:yyfill:enable = 0; "∀x ∃y" { return 0; } * { return 1; } */ static int lex_utf8(const uint8_t *s) { const uint8_t *YYCURSOR = s, *YYMARKER; /*!use:re2c re2c:define:YYCTYPE = uint8_t; re2c:encoding:utf8 = 1; */ } static int lex_utf32(const uint32_t *s) { const uint32_t *YYCURSOR = s, *YYMARKER; /*!use:re2c re2c:define:YYCTYPE = uint32_t; re2c:encoding:utf32 = 1; */ } int main() { static const uint8_t s8[] = // UTF-8 { 0xe2, 0x88, 0x80, 0x78, 0x20, 0xe2, 0x88, 0x83, 0x79 }; static const uint32_t s32[] = // UTF32 { 0x00002200, 0x00000078, 0x00000020, 0x00002203, 0x00000079 }; assert(lex_utf8(s8) == 0); assert(lex_utf32(s32) == 0); return 0; }