version 1.1, 1999/12/03 07:39:12 |
version 1.13, 2000/12/26 05:17:47 |
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/* $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, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* 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 1.12 2000/12/22 10:03:32 saito 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) |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#endif |
#if defined(VISUAL) |
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#include "ytab.h" |
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#else |
#include "y.tab.h" |
#include "y.tab.h" |
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#endif |
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extern IN asir_infile; |
extern IN asir_infile; |
extern struct oTKWD kwd[]; |
extern struct oTKWD kwd[]; |
Line 19 int aftercomment(); |
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Line 69 int aftercomment(); |
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extern int main_parser; |
extern int main_parser; |
extern char *parse_strp; |
extern char *parse_strp; |
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extern int recv_intr; |
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static int skipspace(); |
static int skipspace(); |
static int Getc(); |
static int Getc(); |
static void Ungetc(); |
static void Ungetc(); |
static void Gets(); |
static void Gets(); |
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#define NBUFSIZ (BUFSIZ*10) |
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#define TBUFSIZ (BUFSIZ) |
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#define REALLOC_NBUF \ |
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if ( i >= nbufsize ) {\ |
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nbufsize += NBUFSIZ;\ |
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if ( nbuf == nbuf0 ) {\ |
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nbuf = (char *)MALLOC_ATOMIC(nbufsize);\ |
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bcopy(nbuf0,nbuf,nbufsize-NBUFSIZ);\ |
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} else\ |
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nbuf = REALLOC(nbuf,nbufsize);\ |
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} |
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#define REALLOC_TBUF \ |
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if ( i >= tbufsize ) {\ |
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tbufsize += TBUFSIZ;\ |
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if ( tbuf == tbuf0 ) {\ |
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tbuf = (char *)MALLOC_ATOMIC(tbufsize);\ |
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bcopy(tbuf0,tbuf,tbufsize-TBUFSIZ);\ |
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} else\ |
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tbuf = REALLOC(tbuf,tbufsize);\ |
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} |
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#define READ_ALNUM_NBUF \ |
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while ( 1 ) {\ |
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c = Getc();\ |
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if ( isalnum(c) ) {\ |
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REALLOC_NBUF nbuf[i++] = c;\ |
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} else\ |
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break;\ |
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} |
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#define READ_DIGIT_NBUF \ |
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while ( 1 ) {\ |
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c = Getc();\ |
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if ( isdigit(c) ) {\ |
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REALLOC_NBUF nbuf[i++] = c;\ |
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} else\ |
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break;\ |
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} |
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yylex() |
yylex() |
{ |
{ |
#define yylvalp (&yylval) |
#define yylvalp (&yylval) |
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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]; |
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#endif |
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N n,n1; |
N n,n1; |
Q q; |
Q q; |
Obj r; |
Obj r; |
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/* initialize buffer pointers */ |
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nbuf = nbuf0; tbuf = tbuf0; |
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nbufsize = NBUFSIZ; tbufsize = TBUFSIZ; |
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switch ( c = skipspace() ) { |
switch ( c = skipspace() ) { |
case EOF : |
case EOF : |
asir_terminate(2); break; |
asir_terminate(2); break; |
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} else if ( c == 'x' ) { |
} else if ( 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; |
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} else if ( c == 'b' ) { |
} else if ( 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; |
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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 |
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for ( i = 0; (nbuf[i] = Getc()) != '"'; i++ ); |
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#endif |
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i = 0; |
i = 0; |
do { |
do { |
c = Getc(); |
c = Getc(); |
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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; |
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} |
} 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; |
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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; |
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READ_DIGIT_NBUF |
if ( c == '.' ) { |
if ( c == '.' ) { |
double dbl; |
double dbl; |
Real real; |
Real real; |
double atof(); |
double atof(); |
extern int bigfloat; |
extern int bigfloat; |
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for ( nbuf[i++] = c; isdigit(c = Getc()); nbuf[i++] = c); |
REALLOC_NBUF nbuf[i++] = c; |
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READ_DIGIT_NBUF |
if ( c == 'e' ) { |
if ( c == 'e' ) { |
nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
if ( ((c = Getc()) == '+') || (c == '-') ) { |
c = Getc(); |
nbuf[i++] = c; c = Getc(); |
if ( (c == '+') || (c == '-') ) { |
} |
REALLOC_NBUF nbuf[i++] = c; |
for ( ; isdigit(c); nbuf[i++] = c, c = Getc()); |
} else |
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Ungetc(c); |
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READ_DIGIT_NBUF |
} |
} |
Ungetc(c); nbuf[i] = 0; |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
#if PARI |
#if PARI |
if ( !bigfloat ) { |
if ( !bigfloat ) { |
dbl = (double)atof(nbuf+DLENGTH); |
dbl = (double)atof(nbuf+DLENGTH); |
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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 ) { |
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c = Getc(); |
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if ( isalpha(c)||isdigit(c)||(c=='_') ) { |
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REALLOC_TBUF tbuf[i++] = c; |
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} else |
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break; |
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} |
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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; |
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} |
} |
} 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; |
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READ_DIGIT_NBUF |
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Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
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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); |
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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; |
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while ( 1 ) { |
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c = Getc(); |
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if ( isalpha(c) ) { |
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REALLOC_TBUF tbuf[i++] = c; |
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} else |
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break; |
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} |
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Ungetc(c); REALLOC_TBUF tbuf[i] = 0; |
if ( !strcmp(tbuf,"@p") ) |
if ( !strcmp(tbuf,"@p") ) |
return GFPNGEN; |
return GFPNGEN; |
else if ( !strcmp(tbuf,"@i") ) { |
else if ( !strcmp(tbuf,"@i") ) { |
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return ( c ); |
return ( c ); |
} |
} |
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void purge_stdin() |
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{ |
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#if defined(__FreeBSD__) |
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fpurge(stdin); |
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#elif defined(linux) |
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stdin->_IO_read_end = stdin->_IO_read_base; |
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stdin->_IO_read_ptr = stdin->_IO_read_base; |
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#elif defined(VISUAL_LIB) |
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w_purge_stdin(); |
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#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL) |
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stdin->_ptr = stdin->_base; stdin->_cnt = 0; |
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#else |
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--->FIXIT |
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#endif |
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} |
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static int skipspace() { |
static int skipspace() { |
int c,c1; |
int c,c1; |
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int c; |
int c; |
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if ( fp ) { |
if ( fp ) { |
c = getc(fp); |
#if FEP |
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if ( do_fep && isatty(fileno(fp)) ) |
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c = readline_getc(); |
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else |
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#endif |
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c = getc(fp); |
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#if defined(VISUAL) |
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if ( recv_intr ) { |
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#include <signal.h> |
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if ( recv_intr == 1 ) { |
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recv_intr = 0; |
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int_handler(SIGINT); |
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} else { |
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recv_intr = 0; |
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ox_usr1_handler(0); |
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} |
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} |
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#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 ) |
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return EOF; |
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else { |
c = *parse_strp++; |
c = *parse_strp++; |
if ( !c ) |
if ( !c ) |
return EOF; |
return EOF; |
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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 FEP |
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if ( do_fep && isatty(fileno(fp)) ) |
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readline_ungetc(); |
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else |
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#endif |
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ungetc(c,fp); |
} else |
} else |
*--parse_strp = c; |
*--parse_strp = c; |
} |
} |
Line 428 static int Getc() { |
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Line 582 static int Getc() { |
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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 */ |
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if ( !NEXT(asir_infile) ) |
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error("end-of-file detected during parsing"); |
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else |
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c = Getc(); |
break; |
break; |
} else if ( read_exec_file || do_file ) |
} else if ( read_exec_file || do_file ) |
asir_terminate(2); |
asir_terminate(2); |
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*s++ = c; |
*s++ = c; |
*s = 0; |
*s = 0; |
} |
} |
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#if FEP |
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static char *readline_line; |
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static int readline_nc,readline_index; |
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char *readline_console(); |
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int readline_getc() |
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{ |
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char buf[BUFSIZ]; |
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if ( !readline_nc ) { |
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if ( readline_line ) |
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free(readline_line); |
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sprompt(buf); |
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readline_line = readline_console(buf); |
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readline_nc = strlen(readline_line); |
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readline_index = 0; |
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} |
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readline_nc--; |
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return readline_line[readline_index++]; |
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} |
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void readline_ungetc() |
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{ |
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readline_nc++; readline_index--; |
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} |
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char *readline_console(prompt) |
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char *prompt; |
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{ |
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char *line; |
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int exp_result; |
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char *expansion; |
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while ( 1 ) { |
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line = (char *)readline(prompt); |
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if ( line && *line ) { |
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using_history(); |
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exp_result = history_expand(line,&expansion); |
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if ( !exp_result ) { |
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free(expansion); |
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for ( ; isspace(*line); line++ ); |
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add_history(line); |
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break; |
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} else if ( exp_result > 0 ) { |
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free(line); |
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line = expansion; |
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break; |
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} |
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} |
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} |
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return line; |
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} |
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#endif |