1*6881a400Schristos /* Portable <regex.h>. 2*6881a400Schristos Copyright (C) 2000-2023 Free Software Foundation, Inc. 3*6881a400Schristos 4*6881a400Schristos This file is part of GDB. 5*6881a400Schristos 6*6881a400Schristos This program is free software; you can redistribute it and/or modify 7*6881a400Schristos it under the terms of the GNU General Public License as published by 8*6881a400Schristos the Free Software Foundation; either version 3 of the License, or 9*6881a400Schristos (at your option) any later version. 10*6881a400Schristos 11*6881a400Schristos This program is distributed in the hope that it will be useful, 12*6881a400Schristos but WITHOUT ANY WARRANTY; without even the implied warranty of 13*6881a400Schristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*6881a400Schristos GNU General Public License for more details. 15*6881a400Schristos 16*6881a400Schristos You should have received a copy of the GNU General Public License 17*6881a400Schristos along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18*6881a400Schristos 19*6881a400Schristos #ifndef GDB_REGEX_H 20*6881a400Schristos #define GDB_REGEX_H 1 21*6881a400Schristos 22*6881a400Schristos # include "xregex.h" 23*6881a400Schristos 24*6881a400Schristos /* A compiled regex. This is mainly a wrapper around regex_t. The 25*6881a400Schristos the constructor throws on regcomp error and the destructor is 26*6881a400Schristos responsible for calling regfree. The former means that it's not 27*6881a400Schristos possible to create an instance of compiled_regex that isn't 28*6881a400Schristos compiled, hence the name. */ 29*6881a400Schristos class compiled_regex 30*6881a400Schristos { 31*6881a400Schristos public: 32*6881a400Schristos /* Compile a regexp and throw an exception on error, including 33*6881a400Schristos MESSAGE. REGEX and MESSAGE must not be NULL. */ 34*6881a400Schristos compiled_regex (const char *regex, int cflags, 35*6881a400Schristos const char *message) 36*6881a400Schristos ATTRIBUTE_NONNULL (2) ATTRIBUTE_NONNULL (4); 37*6881a400Schristos 38*6881a400Schristos ~compiled_regex (); 39*6881a400Schristos 40*6881a400Schristos DISABLE_COPY_AND_ASSIGN (compiled_regex); 41*6881a400Schristos 42*6881a400Schristos /* Wrapper around ::regexec. */ 43*6881a400Schristos int exec (const char *string, 44*6881a400Schristos size_t nmatch, regmatch_t pmatch[], 45*6881a400Schristos int eflags) const; 46*6881a400Schristos 47*6881a400Schristos /* Wrapper around ::re_search. (Not const because re_search's 48*6881a400Schristos regex_t parameter isn't either.) */ 49*6881a400Schristos int search (const char *string, int size, int startpos, 50*6881a400Schristos int range, struct re_registers *regs); 51*6881a400Schristos 52*6881a400Schristos private: 53*6881a400Schristos /* The compiled pattern. */ 54*6881a400Schristos regex_t m_pattern; 55*6881a400Schristos }; 56*6881a400Schristos 57*6881a400Schristos #endif /* not GDB_REGEX_H */ 58