diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 38 |
1 files changed, 38 insertions, 0 deletions
@@ -18,6 +18,8 @@ no_warn_end #if _WIN32 #include <shellapi.h> #endif +#define PCRE2_CODE_UNIT_WIDTH 32 +#include "pcre2.h" #include "unicode.h" #include "util.c" @@ -115,6 +117,42 @@ int main(int argc, char **argv) { #endif setlocale(LC_ALL, ""); // allow unicode + int error = 0; + PCRE2_SIZE error_pos = 0; + pcre2_code *regex = pcre2_compile(U"a(.)b", 5, 0, &error, &error_pos, NULL); + if (regex) { + print("Compiled to %p\n",(void *)regex); + pcre2_match_data *match_data = pcre2_match_data_create(100, NULL); + if (match_data) { + int ret = pcre2_match(regex, U"acb", 3, 0, 0, match_data, NULL); + if (ret > 0) { + size_t group_count = (size_t)ret; + PCRE2_SIZE *groups = pcre2_get_ovector_pointer(match_data); + for (size_t i = 0; i < group_count; ++i) { + size_t start = (size_t)groups[2*i]; + size_t end = (size_t)groups[2*i+1]; + print("%zu-%zu\n", start, end); + } + print("Match\n"); + } else { + print("No match\n"); + } + pcre2_match_data_free(match_data); + } else { + print("Couldn't create match data.\n"); + } + pcre2_code_free(regex); + } else { + char32_t buf[256] = {0}; + size_t len = (size_t)pcre2_get_error_message(error, buf, sizeof buf - 1); + char *error_cstr = str32_to_utf8_cstr(str32(buf, len)); + if (error_cstr) { + print("Error %d at %zu: %s\n", error, error_pos, error_cstr); + free(error_cstr); + } + } + + // read command-line arguments char const *starting_filename = NULL; switch (argc) { |