ref: 0f8168038af32828fcdc39575dea0e4de0c01122
dir: /sys/include/ape/regexp.h/
#ifndef __REGEXP_H #define __REGEXP_H #ifndef _REGEXP_EXTENSION This header file is an extension to ANSI/POSIX #endif #pragma lib "/$M/lib/ape/libregexp.a" #ifdef UTF #define Runeself 0xA0 #else #define Runeself 0 #endif typedef struct Resub Resub; typedef struct Reclass Reclass; typedef struct Reinst Reinst; typedef struct Reprog Reprog; /* * Sub expression matches */ struct Resub{ union { char *sp; wchar_t *rsp; } s; union { char *ep; wchar_t *rep; } e; }; /* * character class, each pair of rune's defines a range */ struct Reclass{ wchar_t *end; wchar_t spans[64]; }; /* * Machine instructions */ struct Reinst{ int type; /* < 0200 ==> literal, otherwise action */ union { Reclass *cp; /* class pointer */ wchar_t r; /* character */ int subid; /* sub-expression id for RBRA and LBRA */ Reinst *right; /* right child of OR */ } r; union { /* regexp relies on these two being in the same union */ Reinst *left; /* left child of OR */ Reinst *next; /* next instruction for CAT & LBRA */ } l; }; /* * Reprogram definition */ struct Reprog{ Reinst *startinst; /* start pc */ Reclass class[16]; /* .data */ Reinst firstinst[5]; /* .text */ }; extern Reprog *regcomp(char*); extern Reprog *regcomplit(char*); extern Reprog *regcompnl(char*); extern void regerror(char*); extern int regexec(Reprog*, char*, Resub*, int); extern void regsub(char*, char*, int, Resub*, int); extern int rregexec(Reprog*, wchar_t*, Resub*, int); extern void rregsub(wchar_t*, wchar_t*, int, Resub*, int); #endif