#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
#include "regex_impl.h"
#include "regutils.h"
#include "regex2.h"
#include "regengine.inc"

Macros
#define	states1 long /* for later use in llvm_regexec() decision */
#define	states states1
#define	CLEAR(v)
#define	SET0(v, n)
#define	SET1(v, n)
#define	ISSET(v, n)
#define	ASSIGN(d, s)
#define	EQ(a, b)
#define	STATEVARS long dummy /* dummy version */
#define	STATESETUP(m, n)
#define	STATETEARDOWN(m)
#define	SETUP(v)
#define	onestate long
#define	INIT(o, n)
#define	INC(o)
#define	ISSTATEIN(v, o)
#define	FWD(dst, src, n)
#define	BACK(dst, src, n)
#define	ISSETBACK(v, n)
#define	SNAMES /* engine.inc looks after details */
#define	states char *
#define	CLEAR(v)
#define	SET0(v, n)
#define	SET1(v, n)
#define	ISSET(v, n)
#define	ASSIGN(d, s)
#define	EQ(a, b)
#define	STATEVARS long vn; char *space
#define	STATESETUP(m, nv)
#define	STATETEARDOWN(m)
#define	SETUP(v)
#define	onestate long
#define	INIT(o, n)
#define	INC(o)
#define	ISSTATEIN(v, o)
#define	FWD(dst, src, n)
#define	BACK(dst, src, n)
#define	ISSETBACK(v, n)
#define	LNAMES /* flag */
#define	GOODFLAGS(f)

Functions
int	llvm_regexec (const llvm_regex_t preg, const char string, size_t nmatch, llvm_regmatch_t pmatch[], int eflags)

Macro Definition Documentation

◆ ASSIGN [1/2]

#define ASSIGN	(		d,
			s )

Value:

((d) = (s))

Definition at line 64 of file regexec.c.

◆ ASSIGN [2/2]

#define ASSIGN	(		d,
			s )

Value:

memmove(d, s, m->g->nstates)

Definition at line 64 of file regexec.c.

◆ BACK [1/2]

#define BACK	(	dst,
		src,
		n )

Value:

((dst) |= ((unsigned long)(src)&(here)) >> (n))

Definition at line 77 of file regexec.c.

◆ BACK [2/2]

#define BACK	(	dst,
		src,
		n )

Value:

((dst)[here-(n)] |= (src)[here])

Definition at line 77 of file regexec.c.

◆ CLEAR [1/2]

#define CLEAR ( v )

Value:

((v) = 0)

Definition at line 60 of file regexec.c.

◆ CLEAR [2/2]

#define CLEAR ( v )

Value:

memset(v, 0, m->g->nstates)

Definition at line 60 of file regexec.c.

◆ EQ [1/2]

#define EQ	(		a,
			b )

Value:

((a) == (b))

Definition at line 65 of file regexec.c.

Referenced by CCMaskForCondCode(), tomp::type::DefinedOperatorT< I, E >::ENUM(), and LowerVSETCC().

◆ EQ [2/2]

#define EQ	(		a,
			b )

Value:

(memcmp(a, b, m->g->nstates) == 0)

memcmp

Merge contiguous icmps into a memcmp

Definition MergeICmps.cpp:915

Definition at line 65 of file regexec.c.

◆ FWD [1/2]

#define FWD	(	dst,
		src,
		n )

Value:

((dst) |= ((unsigned long)(src)&(here)) << (n))

Definition at line 76 of file regexec.c.

◆ FWD [2/2]

#define FWD	(	dst,
		src,
		n )

Value:

((dst)[here+(n)] |= (src)[here])

Definition at line 76 of file regexec.c.

◆ GOODFLAGS

#define GOODFLAGS ( f )

Value:

((f)&(REG_NOTBOL|REG_NOTEOL|REG_STARTEND))

REG_STARTEND

#define REG_STARTEND

Definition regex_impl.h:88

REG_NOTEOL

#define REG_NOTEOL

Definition regex_impl.h:87

REG_NOTBOL

#define REG_NOTBOL

Definition regex_impl.h:86

Referenced by llvm_regexec().

◆ INC [1/2]

#define INC ( o )

Value:

((o) = (unsigned long)(o) << 1)

Definition at line 72 of file regexec.c.

◆ INC [2/2]

#define INC ( o )

Value:

((o)++)

Definition at line 72 of file regexec.c.

◆ INIT [1/2]

#define INIT	(		o,
			n )

Value:

((o) = (unsigned long)1 << (n))

Definition at line 71 of file regexec.c.

Referenced by tokenizeWindowsCommandLineImpl().

◆ INIT [2/2]

#define INIT	(		o,
			n )

Value:

((o) = (n))

Definition at line 71 of file regexec.c.

◆ ISSET [1/2]

#define ISSET	(		v,
			n )

Value:

(((v) & ((unsigned long)1 << (n))) != 0)

Definition at line 63 of file regexec.c.

◆ ISSET [2/2]

#define ISSET	(		v,
			n )

Value:

((v)[n])

Definition at line 63 of file regexec.c.

◆ ISSETBACK [1/2]

#define ISSETBACK	(		v,
			n )

Value:

(((v) & ((unsigned long)here >> (n))) != 0)

Definition at line 78 of file regexec.c.

◆ ISSETBACK [2/2]

#define ISSETBACK	(		v,
			n )

Value:

((v)[here - (n)])

Definition at line 78 of file regexec.c.

◆ ISSTATEIN [1/2]

#define ISSTATEIN	(		v,
			o )

Value:

(((v) & (o)) != 0)

Definition at line 73 of file regexec.c.

◆ ISSTATEIN [2/2]

#define ISSTATEIN	(		v,
			o )

Value:

((v)[o])

Definition at line 73 of file regexec.c.

◆ LNAMES

#define LNAMES /* flag */

Definition at line 129 of file regexec.c.

◆ onestate [1/2]

#define onestate long

Definition at line 70 of file regexec.c.

◆ onestate [2/2]

#define onestate long

Definition at line 70 of file regexec.c.

◆ SET0 [1/2]

#define SET0	(		v,
			n )

Value:

((v) &= ~((unsigned long)1 << (n)))

Definition at line 61 of file regexec.c.

◆ SET0 [2/2]

#define SET0	(		v,
			n )

Value:

((v)[n] = 0)

Definition at line 61 of file regexec.c.

◆ SET1 [1/2]

#define SET1	(		v,
			n )

Value:

((v) |= (unsigned long)1 << (n))

Definition at line 62 of file regexec.c.

◆ SET1 [2/2]

#define SET1	(		v,
			n )

Value:

((v)[n] = 1)

Definition at line 62 of file regexec.c.

◆ SETUP [1/2]

#define SETUP ( v )

Value:

((v) = 0)

Definition at line 69 of file regexec.c.

◆ SETUP [2/2]

#define SETUP ( v )

Value:

((v) = &m->space[m->vn++ * m->g->nstates])

Definition at line 69 of file regexec.c.

◆ SNAMES

#define SNAMES /* engine.inc looks after details */

Definition at line 80 of file regexec.c.

◆ states [1/2]

#define states states1

Definition at line 59 of file regexec.c.

◆ states [2/2]

#define states char *

Definition at line 59 of file regexec.c.

◆ states1

#define states1 long /* for later use in llvm_regexec() decision */

Definition at line 58 of file regexec.c.

Referenced by llvm_regexec().

◆ STATESETUP [1/2]

#define STATESETUP	(		m,
			n )

Value:

/* nothing */

Definition at line 67 of file regexec.c.

◆ STATESETUP [2/2]

#define STATESETUP	(		m,
			nv )

Value:

        { (m)->space = malloc((nv)*(m)->g->nstates); \
        if ((m)->space == NULL) return(REG_ESPACE); \
        (m)->vn = 0; }

Definition at line 67 of file regexec.c.

◆ STATETEARDOWN [1/2]

#define STATETEARDOWN ( m )

Value:

/* nothing */

Definition at line 68 of file regexec.c.

◆ STATETEARDOWN [2/2]

#define STATETEARDOWN ( m )

Value:

{ free((m)->space); }

Definition at line 68 of file regexec.c.

◆ STATEVARS [1/2]

#define STATEVARS long dummy /* dummy version */

Definition at line 66 of file regexec.c.

◆ STATEVARS [2/2]

#define STATEVARS long vn; char *space

Definition at line 66 of file regexec.c.

Function Documentation

◆ llvm_regexec()

int llvm_regexec	(	const llvm_regex_t *	preg,
		const char *	string,
		size_t	nmatch,
		llvm_regmatch_t	pmatch[],
		int	eflags )

Definition at line 141 of file regexec.c.

References assert(), g(), GOODFLAGS, MAGIC1, MAGIC2, llvm_regex::re_g, llvm_regex::re_magic, REG_BADPAT, REG_LARGE, REGEX_BAD, and states1.

Referenced by llvm::Regex::match().

Macros

Functions

Macro Definition Documentation

◆ ASSIGN [1/2]

◆ ASSIGN [2/2]

◆ BACK [1/2]

◆ BACK [2/2]

◆ CLEAR [1/2]

◆ CLEAR [2/2]

◆ EQ [1/2]

◆ EQ [2/2]

◆ FWD [1/2]

◆ FWD [2/2]

◆ GOODFLAGS

◆ INC [1/2]

◆ INC [2/2]

◆ INIT [1/2]

◆ INIT [2/2]

◆ ISSET [1/2]

◆ ISSET [2/2]

◆ ISSETBACK [1/2]

◆ ISSETBACK [2/2]

◆ ISSTATEIN [1/2]

◆ ISSTATEIN [2/2]

◆ LNAMES

◆ onestate [1/2]

◆ onestate [2/2]

◆ SET0 [1/2]

◆ SET0 [2/2]

◆ SET1 [1/2]

◆ SET1 [2/2]

◆ SETUP [1/2]

◆ SETUP [2/2]

◆ SNAMES

◆ states [1/2]

◆ states [2/2]

◆ states1

◆ STATESETUP [1/2]

◆ STATESETUP [2/2]

◆ STATETEARDOWN [1/2]

◆ STATETEARDOWN [2/2]

◆ STATEVARS [1/2]

◆ STATEVARS [2/2]

Function Documentation

◆ llvm_regexec()