version 1.3, 2000/07/25 01:15:07 |
version 1.37, 2005/12/10 14:14:16 |
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/* $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.2 2000/02/07 03:14:40 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 1.36 2005/10/26 07:33:03 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) |
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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; |
static int Getc(); |
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static void Ungetc(int c); |
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static void Gets(char *s); |
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static int skipspace(); |
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extern INFILE asir_infile; |
extern struct oTKWD kwd[]; |
extern struct oTKWD kwd[]; |
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extern Obj VOIDobj; |
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int afternl(); |
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int myatoi(); |
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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(); |
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static int Getc(); |
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static void Ungetc(); |
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static void Gets(); |
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#define NBUFSIZ (BUFSIZ*10) |
#define NBUFSIZ (BUFSIZ*10) |
#define TBUFSIZ (BUFSIZ) |
#define TBUFSIZ (BUFSIZ) |
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break;\ |
break;\ |
} |
} |
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yylex() |
int yylex() |
{ |
{ |
#define yylvalp (&yylval) |
#define yylvalp (&yylval) |
register int c,c1; |
register int c,c1; |
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N n,n1; |
N n,n1; |
Q q; |
Q q; |
Obj r; |
Obj r; |
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int floatingpoint = 0; |
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double dbl; |
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Real real; |
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double atof(); |
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extern int bigfloat; |
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/* initialize buffer pointers */ |
/* initialize buffer pointers */ |
nbuf = nbuf0; tbuf = tbuf0; |
nbuf = nbuf0; tbuf = tbuf0; |
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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'; |
READ_ALNUM_NBUF |
READ_ALNUM_NBUF |
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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'; |
READ_ALNUM_NBUF |
READ_ALNUM_NBUF |
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c = Getc(); |
c = Getc(); |
if ( c == '\\' ) { |
if ( c == '\\' ) { |
c1 = Getc(); |
c1 = Getc(); |
if ( c1 == 'n' ) |
if ( c1 == 'n' ) { |
c1 = '\n'; |
c1 = '\n'; |
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}else if ( c1 == 'r' ) { |
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c1 = '\r'; |
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}else if ( c1 == 't' ) { |
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c1 = '\t'; |
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}else if ( isdigit(c1) ){ |
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d = c1 - '0'; |
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c1 = Getc(); |
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if ( isdigit(c1) ) { |
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d = 8*d + (c1 - '0'); |
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c1 = Getc(); |
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if ( isdigit(c1) ) { |
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d = 8*d + (c1 - '0'); |
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}else { |
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Ungetc(c1); |
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} |
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}else { |
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Ungetc(c1); |
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} |
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c1 = d; |
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} |
REALLOC_NBUF nbuf[i++] = c1; |
REALLOC_NBUF nbuf[i++] = c1; |
} else { |
} else { |
REALLOC_NBUF nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
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REALLOC_NBUF nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
READ_DIGIT_NBUF |
READ_DIGIT_NBUF |
if ( c == '.' ) { |
if ( c == '.' ) { |
double dbl; |
floatingpoint = 1; |
Real real; |
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double atof(); |
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extern int bigfloat; |
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REALLOC_NBUF nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
READ_DIGIT_NBUF |
READ_DIGIT_NBUF |
if ( c == 'e' ) { |
if ( c == 'e' || c == 'E' ) { |
REALLOC_NBUF nbuf[i++] = c; |
REALLOC_NBUF nbuf[i++] = c; |
c = Getc(); |
c = Getc(); |
if ( (c == '+') || (c == '-') ) { |
if ( (c == '+') || (c == '-') ) { |
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Ungetc(c); |
Ungetc(c); |
READ_DIGIT_NBUF |
READ_DIGIT_NBUF |
} |
} |
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} else if ( c == 'e' || c == 'E' ) { |
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floatingpoint = 1; |
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REALLOC_NBUF nbuf[i++] = c; |
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c = Getc(); |
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if ( (c == '+') || (c == '-') ) { |
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REALLOC_NBUF nbuf[i++] = c; |
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} else |
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Ungetc(c); |
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READ_DIGIT_NBUF |
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} |
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if ( floatingpoint ) { |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
#if PARI |
#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; |
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} |
} |
yylvalp->p = (pointer)r; |
yylvalp->p = (pointer)r; |
return ( FORMULA ); |
return ( FORMULA ); |
} else if ( isalpha(c) ) { |
} else if ( isalpha(c) || c == ':' || c == '_' ) { |
i = 0; |
if ( c == ':' ) { |
tbuf[i++] = c; |
c1 = Getc(); |
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if ( c1 != ':' ) { |
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Ungetc(c1); |
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return c; |
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} |
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c1 = Getc(); |
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if ( !isalpha(c1) ) { |
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Ungetc(c1); |
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return COLONCOLON; |
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} |
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i = 0; |
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tbuf[i++] = ':'; |
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tbuf[i++] = ':'; |
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tbuf[i++] = c1; |
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} else { |
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i = 0; |
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tbuf[i++] = c; |
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} |
while ( 1 ) { |
while ( 1 ) { |
c = Getc(); |
c = Getc(); |
if ( isalpha(c)||isdigit(c)||(c=='_') ) { |
if ( isalpha(c)||isdigit(c)||(c=='_')||(c=='.') ) { |
REALLOC_TBUF tbuf[i++] = c; |
REALLOC_TBUF tbuf[i++] = c; |
} else |
} else |
break; |
break; |
} |
} |
REALLOC_TBUF tbuf[i] = 0; Ungetc(c); |
REALLOC_TBUF tbuf[i] = 0; Ungetc(c); |
if ( isupper(tbuf[0]) ) { |
if ( isupper(tbuf[0]) || (tbuf[0] == '_' && isupper(tbuf[1])) ) { |
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 UCASE; |
return UCASE; |
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Ungetc(c); REALLOC_TBUF tbuf[i] = 0; |
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,"@s") ) |
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return GFSNGEN; |
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else if ( !strcmp(tbuf,"@void") ) { |
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yylvalp->p = VOIDobj; |
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return FORMULA; |
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} else if ( !strcmp(tbuf,"@i") ) { |
extern pointer IU; |
extern pointer IU; |
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yylvalp->p = IU; |
yylvalp->p = IU; |
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} else if ( !strcmp(tbuf,"@equiv") ) { |
} else if ( !strcmp(tbuf,"@equiv") ) { |
yylvalp->i = (int)L_EQUIV; |
yylvalp->i = (int)L_EQUIV; |
return FOP_EQUIV; |
return FOP_EQUIV; |
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} else if ( !strcmp(tbuf,"@grlex") ) { |
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yylvalp->p = Symbol_grlex; |
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return FORMULA; |
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} else if ( !strcmp(tbuf,"@glex") ) { |
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yylvalp->p = Symbol_glex; |
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return FORMULA; |
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} else if ( !strcmp(tbuf,"@lex") ) { |
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yylvalp->p = Symbol_lex; |
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return FORMULA; |
} else { |
} else { |
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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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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void w_purge_stdin(); |
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w_purge_stdin(); |
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#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL) || defined(_IBMR2) |
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stdin->_ptr = stdin->_base; stdin->_cnt = 0; |
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#elif (defined(__MACH__) && defined(__ppc__)) || defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__INTERIX) |
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stdin->_r = 0; stdin->_p = stdin->_bf._base; |
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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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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; |
case '/': |
case '/': |
if ( (c1 = Getc()) == '*' ) |
if ( (c1 = Getc()) == '*' ) |
c = aftercomment(); |
c = aftercomment(); |
Line 412 int aftercomment() { |
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Line 545 int aftercomment() { |
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} |
} |
} |
} |
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int myatoi(s) |
int myatoi(char *s) |
char *s; |
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{ |
{ |
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' ); |
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} |
} |
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extern int ox_do_copy; |
extern int ox_do_copy; |
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extern int I_am_server; |
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extern JMP_BUF main_env; |
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void yyerror(s) |
void yyerror(char *s) |
char *s; |
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{ |
{ |
if ( main_parser ) |
if ( main_parser ) { |
if ( ox_do_copy ) { |
if ( ox_do_copy ) { |
/* push errors to DebugStack */ |
/* push errors to DebugStack */ |
} else { |
} else { |
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else |
else |
fprintf(stderr,"\"%s\", near line %d: %s\n",asir_infile->name,asir_infile->ln,s); |
fprintf(stderr,"\"%s\", near line %d: %s\n",asir_infile->name,asir_infile->ln,s); |
} |
} |
else |
if ( I_am_server ) { |
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set_lasterror(s); |
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LONGJMP(main_env,1); |
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} |
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} else |
fprintf(stderr,"exprparse : %s\n",s); |
fprintf(stderr,"exprparse : %s\n",s); |
} |
} |
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extern int read_exec_file, do_fep, do_file; |
extern int read_exec_file, do_fep, do_file; |
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int readline_getc(); |
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void readline_ungetc(); |
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int Egetc(); |
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void Eungetc(); |
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unsigned char encrypt_char(unsigned char); |
unsigned char encrypt_char(unsigned char); |
unsigned char decrypt_char(unsigned char); |
unsigned char decrypt_char(unsigned char); |
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int Egetc(fp) |
int Egetc(FILE *fp) |
FILE *fp; |
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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 ) |
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} |
} |
} |
} |
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void Eungetc(c,fp) |
void Eungetc(int c,FILE *fp) |
int c; |
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FILE *fp; |
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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 493 static int Getc() { |
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Line 644 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); |
Line 511 static int Getc() { |
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Line 666 static int Getc() { |
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return ( c ); |
return ( c ); |
} |
} |
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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 520 static void Ungetc(c) { |
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Line 675 static void Ungetc(c) { |
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*--parse_strp = c; |
*--parse_strp = c; |
} |
} |
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static void Gets(s) |
static void Gets(char *s) |
char *s; |
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{ |
{ |
int c; |
int c; |
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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(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((unsigned char)*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 |