| version 1.1, 1999/12/03 07:39:12 |
version 1.22, 2003/02/14 22:29:18 |
|
|
| /* $OpenXM: OpenXM/src/asir99/parse/lex.c,v 1.1.1.1 1999/11/10 08:12:34 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
| |
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
| |
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
| |
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.21 2002/09/09 23:52:45 noro Exp $ |
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*/ |
| #include <ctype.h> |
#include <ctype.h> |
| #include "ca.h" |
#include "ca.h" |
| #include "al.h" |
#include "al.h" |
| #include "base.h" |
#include "base.h" |
| #include "parse.h" |
#include "parse.h" |
| #if !defined(THINK_C) |
|
| #include <sys/types.h> |
#include <sys/types.h> |
| #include <sys/stat.h> |
#include <sys/stat.h> |
| #endif |
#if defined(VISUAL) |
| |
#include "ytab.h" |
| |
#else |
| #include "y.tab.h" |
#include "y.tab.h" |
| |
#endif |
| |
|
| extern IN asir_infile; |
static int Getc(); |
| |
static void Ungetc(int c); |
| |
static void Gets(char *s); |
| |
static int skipspace(); |
| |
|
| |
extern INFILE asir_infile; |
| extern struct oTKWD kwd[]; |
extern struct oTKWD kwd[]; |
| |
|
| int afternl(); |
|
| int myatoi(); |
|
| int aftercomment(); |
|
| |
|
| extern int main_parser; |
extern int main_parser; |
| extern char *parse_strp; |
extern char *parse_strp; |
| |
extern int recv_intr; |
| |
|
| static int skipspace(); |
#define NBUFSIZ (BUFSIZ*10) |
| static int Getc(); |
#define TBUFSIZ (BUFSIZ) |
| static void Ungetc(); |
|
| static void Gets(); |
|
| |
|
| yylex() |
#define REALLOC_NBUF \ |
| |
if ( i >= nbufsize ) {\ |
| |
nbufsize += NBUFSIZ;\ |
| |
if ( nbuf == nbuf0 ) {\ |
| |
nbuf = (char *)MALLOC_ATOMIC(nbufsize);\ |
| |
bcopy(nbuf0,nbuf,nbufsize-NBUFSIZ);\ |
| |
} else\ |
| |
nbuf = REALLOC(nbuf,nbufsize);\ |
| |
} |
| |
|
| |
#define REALLOC_TBUF \ |
| |
if ( i >= tbufsize ) {\ |
| |
tbufsize += TBUFSIZ;\ |
| |
if ( tbuf == tbuf0 ) {\ |
| |
tbuf = (char *)MALLOC_ATOMIC(tbufsize);\ |
| |
bcopy(tbuf0,tbuf,tbufsize-TBUFSIZ);\ |
| |
} else\ |
| |
tbuf = REALLOC(tbuf,tbufsize);\ |
| |
} |
| |
|
| |
#define READ_ALNUM_NBUF \ |
| |
while ( 1 ) {\ |
| |
c = Getc();\ |
| |
if ( isalnum(c) ) {\ |
| |
REALLOC_NBUF nbuf[i++] = c;\ |
| |
} else\ |
| |
break;\ |
| |
} |
| |
|
| |
#define READ_DIGIT_NBUF \ |
| |
while ( 1 ) {\ |
| |
c = Getc();\ |
| |
if ( isdigit(c) ) {\ |
| |
REALLOC_NBUF nbuf[i++] = c;\ |
| |
} else\ |
| |
break;\ |
| |
} |
| |
|
| |
int yylex() |
| { |
{ |
| #define yylvalp (&yylval) |
#define yylvalp (&yylval) |
| register int c,c1; |
register int c,c1; |
| register int *ptr; |
register int *ptr; |
| char *cptr; |
char *cptr; |
| int d,i,j; |
int d,i,j; |
| #if defined(__MWERKS__) |
char nbuf0[NBUFSIZ],tbuf0[TBUFSIZ]; |
| char nbuf[BUFSIZ],tbuf[BUFSIZ]; |
char *nbuf, *tbuf; |
| #else |
int nbufsize, tbufsize; |
| char nbuf[BUFSIZ*10],tbuf[BUFSIZ]; |
|
| #endif |
|
| N n,n1; |
N n,n1; |
| Q q; |
Q q; |
| Obj r; |
Obj r; |
| |
int floatingpoint = 0; |
| |
double dbl; |
| |
Real real; |
| |
double atof(); |
| |
extern int bigfloat; |
| |
|
| |
|
| |
/* initialize buffer pointers */ |
| |
nbuf = nbuf0; tbuf = tbuf0; |
| |
nbufsize = NBUFSIZ; tbufsize = TBUFSIZ; |
| |
|
| switch ( c = skipspace() ) { |
switch ( c = skipspace() ) { |
| case EOF : |
case EOF : |
| asir_terminate(2); break; |
asir_terminate(2); break; |
|
|
| while ( ( c = Getc() ) == '0' ); |
while ( ( c = Getc() ) == '0' ); |
| if ( c == '.' ) { |
if ( c == '.' ) { |
| Ungetc(c); c = '0'; |
Ungetc(c); c = '0'; |
| } else if ( c == 'x' ) { |
} else if ( c == 'x' || c == 'X' ) { |
| for ( i = 0; i < 8; i++ ) |
for ( i = 0; i < 8; i++ ) |
| nbuf[i] = '0'; |
nbuf[i] = '0'; |
| for ( ; isalnum(c = Getc()); nbuf[i++] = c ); |
READ_ALNUM_NBUF |
| Ungetc(c); nbuf[i] = 0; |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
| hexton(nbuf,&n1); |
hexton(nbuf,&n1); |
| NTOQ(n1,1,q); r = (Obj)q; |
NTOQ(n1,1,q); r = (Obj)q; |
| yylvalp->p = (pointer)r; |
yylvalp->p = (pointer)r; |
| return ( FORMULA ); |
return ( FORMULA ); |
| } else if ( c == 'b' ) { |
} else if ( c == 'b' || c == 'B' ) { |
| for ( i = 0; i < 32; i++ ) |
for ( i = 0; i < 32; i++ ) |
| nbuf[i] = '0'; |
nbuf[i] = '0'; |
| for ( ; isalnum(c = Getc()); nbuf[i++] = c ); |
READ_ALNUM_NBUF |
| Ungetc(c); nbuf[i] = 0; |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
| binaryton(nbuf,&n1); |
binaryton(nbuf,&n1); |
| NTOQ(n1,1,q); r = (Obj)q; |
NTOQ(n1,1,q); r = (Obj)q; |
| yylvalp->p = (pointer)r; |
yylvalp->p = (pointer)r; |
|
|
| break; |
break; |
| if ( c == '\\' ) |
if ( c == '\\' ) |
| c = Getc(); |
c = Getc(); |
| tbuf[i] = c; |
REALLOC_TBUF tbuf[i] = c; |
| } |
} |
| tbuf[i] = 0; |
REALLOC_TBUF tbuf[i] = 0; |
| cptr = (char *)MALLOC(strlen(tbuf)+1); strcpy(cptr,tbuf); |
cptr = (char *)MALLOC(strlen(tbuf)+1); strcpy(cptr,tbuf); |
| yylvalp->p = (pointer)cptr; |
yylvalp->p = (pointer)cptr; |
| return LCASE; break; |
return LCASE; break; |
| case '"' : |
case '"' : |
| #if 0 |
|
| for ( i = 0; (nbuf[i] = Getc()) != '"'; i++ ); |
|
| #endif |
|
| i = 0; |
i = 0; |
| do { |
do { |
| c = Getc(); |
c = Getc(); |
|
|
| c1 = Getc(); |
c1 = Getc(); |
| if ( c1 == 'n' ) |
if ( c1 == 'n' ) |
| c1 = '\n'; |
c1 = '\n'; |
| nbuf[i++] = c1; |
REALLOC_NBUF nbuf[i++] = c1; |
| } else |
} else { |
| nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
| |
} |
| } while ( c != '"' ); |
} while ( c != '"' ); |
| nbuf[i-1] = 0; |
nbuf[i-1] = 0; /* REALLOC_NBUF is not necessary */ |
| cptr = (char *)MALLOC(strlen(nbuf)+1); |
cptr = (char *)MALLOC(strlen(nbuf)+1); |
| strcpy(cptr,nbuf); yylvalp->p = (pointer) cptr; |
strcpy(cptr,nbuf); yylvalp->p = (pointer) cptr; |
| return ( STR ); break; |
return ( STR ); break; |
|
|
| if ( isdigit(c) ) { |
if ( isdigit(c) ) { |
| for ( i = 0; i < DLENGTH; i++ ) |
for ( i = 0; i < DLENGTH; i++ ) |
| nbuf[i] = '0'; |
nbuf[i] = '0'; |
| for ( nbuf[i++] = c; isdigit(c = Getc()); nbuf[i++] = c); |
REALLOC_NBUF nbuf[i++] = c; |
| |
READ_DIGIT_NBUF |
| if ( c == '.' ) { |
if ( c == '.' ) { |
| double dbl; |
floatingpoint = 1; |
| Real real; |
|
| double atof(); |
|
| extern int bigfloat; |
|
| |
|
| for ( nbuf[i++] = c; isdigit(c = Getc()); nbuf[i++] = c); |
REALLOC_NBUF nbuf[i++] = c; |
| if ( c == 'e' ) { |
READ_DIGIT_NBUF |
| nbuf[i++] = c; |
if ( c == 'e' || c == 'E' ) { |
| if ( ((c = Getc()) == '+') || (c == '-') ) { |
REALLOC_NBUF nbuf[i++] = c; |
| nbuf[i++] = c; c = Getc(); |
c = Getc(); |
| } |
if ( (c == '+') || (c == '-') ) { |
| for ( ; isdigit(c); nbuf[i++] = c, c = Getc()); |
REALLOC_NBUF nbuf[i++] = c; |
| |
} else |
| |
Ungetc(c); |
| |
READ_DIGIT_NBUF |
| } |
} |
| Ungetc(c); nbuf[i] = 0; |
} else if ( c == 'e' || c == 'E' ) { |
| #if PARI |
floatingpoint = 1; |
| |
REALLOC_NBUF nbuf[i++] = c; |
| |
c = Getc(); |
| |
if ( (c == '+') || (c == '-') ) { |
| |
REALLOC_NBUF nbuf[i++] = c; |
| |
} else |
| |
Ungetc(c); |
| |
READ_DIGIT_NBUF |
| |
} |
| |
if ( floatingpoint ) { |
| |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
| |
#if defined(PARI) |
| if ( !bigfloat ) { |
if ( !bigfloat ) { |
| dbl = (double)atof(nbuf+DLENGTH); |
dbl = (double)atof(nbuf+DLENGTH); |
| MKReal(dbl,real); r = (Obj)real; |
MKReal(dbl,real); r = (Obj)real; |
|
|
| yylvalp->p = (pointer)r; |
yylvalp->p = (pointer)r; |
| return ( FORMULA ); |
return ( FORMULA ); |
| } else if ( isalpha(c) ) { |
} else if ( isalpha(c) ) { |
| for ( i = 1, tbuf[0] = c; isalpha(c = Getc())||isdigit(c)||(c=='_'); i++ ) |
i = 0; |
| tbuf[i] = c; |
tbuf[i++] = c; |
| tbuf[i] = 0; Ungetc(c); |
while ( 1 ) { |
| |
c = Getc(); |
| |
if ( isalpha(c)||isdigit(c)||(c=='_') ) { |
| |
REALLOC_TBUF tbuf[i++] = c; |
| |
} else |
| |
break; |
| |
} |
| |
REALLOC_TBUF tbuf[i] = 0; Ungetc(c); |
| if ( isupper(tbuf[0]) ) { |
if ( isupper(tbuf[0]) ) { |
| cptr = (char *)MALLOC(strlen(tbuf)+1); strcpy(cptr,tbuf); |
cptr = (char *)MALLOC(strlen(tbuf)+1); strcpy(cptr,tbuf); |
| yylvalp->p = (pointer)cptr; |
yylvalp->p = (pointer)cptr; |
|
|
| } |
} |
| } else if ( c == '@' ) { |
} else if ( c == '@' ) { |
| if ( isdigit(c = Getc()) ) { |
if ( isdigit(c = Getc()) ) { |
| for ( i = 1, nbuf[0] = c; isdigit(c = Getc()); nbuf[i++] = c); |
i = 0; |
| Ungetc(c); nbuf[i] = 0; yylvalp->i = atoi(nbuf); |
nbuf[i++] = c; |
| |
READ_DIGIT_NBUF |
| |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
| |
yylvalp->i = atoi(nbuf); |
| return ANS; |
return ANS; |
| } else if ( c == '@' ) { |
} else if ( c == '@' ) { |
| yylvalp->i = MAX(0,APVS->n-1); |
yylvalp->i = MAX(0,APVS->n-1); |
|
|
| return FOP_AND; break; |
return FOP_AND; break; |
| } |
} |
| } else if ( isalpha(c) ) { |
} else if ( isalpha(c) ) { |
| for ( i = 2, tbuf[0] = '@', tbuf[1] = c; |
i = 0; |
| isalpha(c = Getc()); tbuf[i++] = c); |
tbuf[i++] = '@'; |
| Ungetc(c); tbuf[i] = 0; |
tbuf[i++] = c; |
| |
while ( 1 ) { |
| |
c = Getc(); |
| |
if ( isalpha(c) ) { |
| |
REALLOC_TBUF tbuf[i++] = c; |
| |
} else |
| |
break; |
| |
} |
| |
Ungetc(c); REALLOC_TBUF tbuf[i] = 0; |
| if ( !strcmp(tbuf,"@p") ) |
if ( !strcmp(tbuf,"@p") ) |
| return GFPNGEN; |
return GFPNGEN; |
| |
else if ( !strcmp(tbuf,"@s") ) |
| |
return GFSNGEN; |
| else if ( !strcmp(tbuf,"@i") ) { |
else if ( !strcmp(tbuf,"@i") ) { |
| extern pointer IU; |
extern pointer IU; |
| |
|
|
|
| return ( c ); |
return ( c ); |
| } |
} |
| |
|
| |
void purge_stdin() |
| |
{ |
| |
#if defined(__FreeBSD__) |
| |
fpurge(stdin); |
| |
#elif defined(linux) |
| |
stdin->_IO_read_end = stdin->_IO_read_base; |
| |
stdin->_IO_read_ptr = stdin->_IO_read_base; |
| |
#elif defined(VISUAL_LIB) |
| |
void w_purge_stdin(); |
| |
|
| |
w_purge_stdin(); |
| |
#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL) || defined(_IBMR2) |
| |
stdin->_ptr = stdin->_base; stdin->_cnt = 0; |
| |
#elif (defined(__MACH__) && defined(__ppc__)) || defined(__CYGWIN__) |
| |
stdin->_r = 0; stdin->_p = stdin->_bf._base; |
| |
#else |
| |
--->FIXIT |
| |
#endif |
| |
} |
| |
|
| static int skipspace() { |
static int skipspace() { |
| int c,c1; |
int c,c1; |
| |
|
| for ( c = Getc(); ; ) |
for ( c = Getc(); ; ) |
| switch ( c ) { |
switch ( c ) { |
| case ' ': case '\t': |
case ' ': case '\t': case '\r': |
| c = Getc(); break; |
c = Getc(); break; |
| case '\n': |
case '\n': |
| c = afternl(); break; |
c = afternl(); break; |
| Line 349 int aftercomment() { |
|
| Line 495 int aftercomment() { |
|
| } |
} |
| } |
} |
| |
|
| int myatoi(s) |
int myatoi(char *s) |
| char *s; |
|
| { |
{ |
| int i,r; |
int i,r; |
| for ( i = 0, r = 0; i < DLENGTH; i++ ) r = r * 10 + ( s[i] - '0' ); |
for ( i = 0, r = 0; i < DLENGTH; i++ ) r = r * 10 + ( s[i] - '0' ); |
|
|
| |
|
| extern int ox_do_copy; |
extern int ox_do_copy; |
| |
|
| void yyerror(s) |
void yyerror(char *s) |
| char *s; |
|
| { |
{ |
| if ( main_parser ) |
if ( main_parser ) |
| if ( ox_do_copy ) { |
if ( ox_do_copy ) { |
|
|
| |
|
| extern int read_exec_file, do_fep, do_file; |
extern int read_exec_file, do_fep, do_file; |
| |
|
| int readline_getc(); |
|
| void readline_ungetc(); |
|
| int Egetc(); |
|
| void Eungetc(); |
|
| |
|
| unsigned char encrypt_char(unsigned char); |
unsigned char encrypt_char(unsigned char); |
| unsigned char decrypt_char(unsigned char); |
unsigned char decrypt_char(unsigned char); |
| |
|
| int Egetc(fp) |
int Egetc(FILE *fp) |
| FILE *fp; |
|
| { |
{ |
| int c; |
int c; |
| |
|
| if ( fp ) { |
if ( fp ) { |
| c = getc(fp); |
#if defined(FEP) |
| |
if ( do_fep && isatty(fileno(fp)) ) |
| |
c = readline_getc(); |
| |
else |
| |
#endif |
| |
c = getc(fp); |
| |
#if defined(VISUAL) |
| |
if ( recv_intr ) { |
| |
#include <signal.h> |
| |
if ( recv_intr == 1 ) { |
| |
recv_intr = 0; |
| |
int_handler(SIGINT); |
| |
} else { |
| |
recv_intr = 0; |
| |
ox_usr1_handler(0); |
| |
} |
| |
} |
| |
#endif |
| if ( c == EOF ) |
if ( c == EOF ) |
| return c; |
return c; |
| if ( asir_infile->encoded ) |
if ( asir_infile->encoded ) |
| c = decrypt_char((unsigned char)c); |
c = decrypt_char((unsigned char)c); |
| return c; |
return c; |
| } else { |
} else if ( read_exec_file ) |
| |
return EOF; |
| |
else { |
| c = *parse_strp++; |
c = *parse_strp++; |
| if ( !c ) |
if ( !c ) |
| return EOF; |
return EOF; |
|
|
| } |
} |
| } |
} |
| |
|
| void Eungetc(c,fp) |
void Eungetc(int c,FILE *fp) |
| int c; |
|
| FILE *fp; |
|
| { |
{ |
| if ( fp ) { |
if ( fp ) { |
| if ( asir_infile->encoded ) |
if ( asir_infile->encoded ) |
| c = (int)encrypt_char((unsigned char)c); |
c = (int)encrypt_char((unsigned char)c); |
| ungetc(c,fp); |
#if defined(FEP) |
| |
if ( do_fep && isatty(fileno(fp)) ) |
| |
readline_ungetc(); |
| |
else |
| |
#endif |
| |
ungetc(c,fp); |
| } else |
} else |
| *--parse_strp = c; |
*--parse_strp = c; |
| } |
} |
| Line 428 static int Getc() { |
|
| Line 588 static int Getc() { |
|
| if ((c = Egetc(asir_infile->fp)) == EOF) |
if ((c = Egetc(asir_infile->fp)) == EOF) |
| if ( NEXT(asir_infile) ) { |
if ( NEXT(asir_infile) ) { |
| closecurrentinput(); |
closecurrentinput(); |
| c = Getc(); |
/* if the input is the top level, generate error */ |
| |
if ( !NEXT(asir_infile) ) |
| |
error("end-of-file detected during parsing"); |
| |
else |
| |
c = Getc(); |
| break; |
break; |
| } else if ( read_exec_file || do_file ) |
} else if ( read_exec_file || do_file ) |
| asir_terminate(2); |
asir_terminate(2); |
| Line 446 static int Getc() { |
|
| Line 610 static int Getc() { |
|
| return ( c ); |
return ( c ); |
| } |
} |
| |
|
| static void Ungetc(c) { |
static void Ungetc(int c) { |
| if ( main_parser ) { |
if ( main_parser ) { |
| Eungetc(c,asir_infile->fp); |
Eungetc(c,asir_infile->fp); |
| if ( echoback ) |
if ( echoback ) |
| Line 455 static void Ungetc(c) { |
|
| Line 619 static void Ungetc(c) { |
|
| *--parse_strp = c; |
*--parse_strp = c; |
| } |
} |
| |
|
| static void Gets(s) |
static void Gets(char *s) |
| char *s; |
|
| { |
{ |
| int c; |
int c; |
| |
|
|
|
| *s++ = c; |
*s++ = c; |
| *s = 0; |
*s = 0; |
| } |
} |
| |
|
| |
#if defined(FEP) |
| |
|
| |
static char *readline_line; |
| |
static int readline_nc,readline_index; |
| |
char *readline_console(); |
| |
|
| |
int readline_getc() |
| |
{ |
| |
char buf[BUFSIZ]; |
| |
|
| |
if ( !readline_nc ) { |
| |
if ( readline_line ) |
| |
free(readline_line); |
| |
sprompt(buf); |
| |
readline_line = readline_console(buf); |
| |
readline_nc = strlen(readline_line); |
| |
readline_index = 0; |
| |
} |
| |
readline_nc--; |
| |
return readline_line[readline_index++]; |
| |
} |
| |
|
| |
void readline_ungetc() |
| |
{ |
| |
readline_nc++; readline_index--; |
| |
} |
| |
|
| |
char *readline_console(char *prompt) |
| |
{ |
| |
char *line; |
| |
int exp_result; |
| |
char *expansion; |
| |
|
| |
while ( 1 ) { |
| |
line = (char *)readline(prompt); |
| |
if ( line && *line ) { |
| |
using_history(); |
| |
exp_result = history_expand(line,&expansion); |
| |
if ( !exp_result ) { |
| |
free(expansion); |
| |
for ( ; isspace(*line); line++ ); |
| |
add_history(line); |
| |
break; |
| |
} else if ( exp_result > 0 ) { |
| |
free(line); |
| |
line = expansion; |
| |
break; |
| |
} |
| |
} |
| |
} |
| |
return line; |
| |
} |
| |
#endif |