version 1.21, 2002/09/09 23:52:45 |
version 1.48, 2015/08/06 10:01:53 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.20 2002/09/09 12:23:51 kondoh Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.47 2015/08/04 06:20:45 noro Exp $ |
*/ |
*/ |
#include <ctype.h> |
#include <ctype.h> |
#include "ca.h" |
#include "ca.h" |
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#include "parse.h" |
#include "parse.h" |
#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
#if defined(VISUAL) |
#if defined(VISUAL) || defined(__MINGW32__) || defined(__MINGW64__) |
#include "ytab.h" |
#include "ytab.h" |
#else |
#else |
#include "y.tab.h" |
#include "y.tab.h" |
#endif |
#endif |
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#if FEP |
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#include <readline/readline.h> |
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#endif |
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static int Getc(); |
static int Getc(); |
static void Ungetc(int c); |
static void Ungetc(int c); |
Line 67 static int skipspace(); |
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Line 70 static int skipspace(); |
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extern INFILE asir_infile; |
extern INFILE asir_infile; |
extern struct oTKWD kwd[]; |
extern struct oTKWD kwd[]; |
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extern Obj VOIDobj; |
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extern int main_parser; |
extern int main_parser; |
extern char *parse_strp; |
extern char *parse_strp; |
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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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} |
} |
if ( floatingpoint ) { |
if ( floatingpoint ) { |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
Ungetc(c); REALLOC_NBUF nbuf[i] = 0; |
#if PARI |
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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; |
} else |
} else |
strtobf(nbuf,(BF *)&r); |
strtobf(nbuf,(BF *)&r); |
#else |
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dbl = (double)atof(nbuf+DLENGTH); |
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MKReal(dbl,real); r = (Obj)real; |
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#endif |
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} else { |
} else { |
Ungetc(c); |
Ungetc(c); |
i -= DLENGTH; d = (i%DLENGTH?i/DLENGTH+1:i/DLENGTH); |
i -= DLENGTH; d = (i%DLENGTH?i/DLENGTH+1:i/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) || 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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return GFPNGEN; |
return GFPNGEN; |
else if ( !strcmp(tbuf,"@s") ) |
else if ( !strcmp(tbuf,"@s") ) |
return GFSNGEN; |
return GFSNGEN; |
else if ( !strcmp(tbuf,"@i") ) { |
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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void purge_stdin() |
void purge_stdin() |
{ |
{ |
#if defined(__FreeBSD__) |
#if defined(__FreeBSD__) || defined(__DARWIN__) |
fpurge(stdin); |
fpurge(stdin); |
#elif defined(linux) |
#elif defined(linux) |
stdin->_IO_read_end = stdin->_IO_read_base; |
stdin->_IO_read_end = stdin->_IO_read_base; |
Line 425 void purge_stdin() |
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Line 473 void purge_stdin() |
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void w_purge_stdin(); |
void w_purge_stdin(); |
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w_purge_stdin(); |
w_purge_stdin(); |
#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL) || defined(_IBMR2) |
#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL) || defined(__MINGW32__) || defined(__MINGW64__) || defined(_IBMR2) |
stdin->_ptr = stdin->_base; stdin->_cnt = 0; |
stdin->_ptr = stdin->_base; stdin->_cnt = 0; |
#elif (defined(__MACH__) && defined(__ppc__)) || defined(__CYGWIN__) |
#elif (defined(__MACH__) && defined(__ppc__)) || defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__INTERIX) |
stdin->_r = 0; stdin->_p = stdin->_bf._base; |
stdin->_r = 0; stdin->_p = stdin->_bf._base; |
#else |
#else |
--->FIXIT |
--->FIXIT |
Line 442 static int skipspace() { |
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Line 490 static int skipspace() { |
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case ' ': case '\t': case '\r': |
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 457 static int skipspace() { |
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Line 505 static int skipspace() { |
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int afternl() { |
int afternl() { |
int c,ac,i,quote; |
int c,ac,i,quote; |
char *ptr; |
char *ptr,*buf0; |
char *av[BUFSIZ]; |
char *av[BUFSIZ]; |
static int ilevel = 0; |
static int ilevel = 0; |
char buf[BUFSIZ]; |
char buf[BUFSIZ]; |
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asir_infile->ln++; |
asir_infile->ln++; |
while ( (c = Getc()) == '#' ) { |
while ( (c = Getc()) == '#' ) { |
Gets(buf); |
Gets(buf); |
for ( quote = 0, ptr = buf; *ptr; ptr++ ) |
#define LINE "line" |
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if ( !strncmp(buf,LINE,strlen(LINE)) ) buf0 = buf+strlen(LINE); |
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else buf0 = buf; |
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for ( quote = 0, ptr = buf0; *ptr; ptr++ ) |
if ( *ptr == '"' ) |
if ( *ptr == '"' ) |
quote = quote ? 0 : 1; |
quote = quote ? 0 : 1; |
else if ( quote && (*ptr == ' ') ) |
else if ( quote && (*ptr == ' ') ) |
*ptr = '_'; |
*ptr = '_'; |
stoarg(buf,&ac,av); |
stoarg(buf0,&ac,av); |
if ( ac == 3 ) |
if ( ac == 3 ) |
if ( (i = atoi(av[2])) == 1 ) |
if ( (i = atoi(av[2])) == 1 ) |
ilevel++; |
ilevel++; |
Line 487 int aftercomment() { |
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Line 538 int aftercomment() { |
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int c,c1; |
int c,c1; |
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for ( c = Getc(); ; ) { |
for ( c = Getc(); ; ) { |
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if ( c == '\n' ) asir_infile->ln++; |
c1 = Getc(); |
c1 = Getc(); |
if ( (c == '*') && (c1 == '/') ) |
if ( (c == '*') && (c1 == '/') ) |
return Getc(); |
return Getc(); |
Line 503 int myatoi(char *s) |
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Line 555 int myatoi(char *s) |
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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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extern int at_root; |
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extern LIST LastStackTrace; |
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extern char *CUR_FUNC; |
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void yyerror(char *s) |
void yyerror(char *s) |
{ |
{ |
if ( main_parser ) |
STRING fname,name,kwd; |
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USINT u; |
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NODE t; |
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LIST l,l2; |
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if ( main_parser ) { |
if ( ox_do_copy ) { |
if ( ox_do_copy ) { |
/* push errors to DebugStack */ |
/* push errors to DebugStack */ |
} else { |
} else { |
Line 515 void yyerror(char *s) |
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Line 577 void yyerror(char *s) |
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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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if ( NEXT(asir_infile) ) { |
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/* error in a file; record the position */ |
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MKSTR(fname,asir_infile->name); |
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if ( CPVS == GPVS ) |
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MKSTR(name,""); |
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else |
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MKSTR(name,CUR_FUNC); |
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MKUSINT(u,asir_infile->ln); |
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t = mknode(3,fname,name,u); MKLIST(l,t); |
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/* line number at the toplevel */ |
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MKSTR(fname,"toplevel"); MKUSINT(u,at_root); |
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t = mknode(2,fname,u); MKLIST(l2,t); |
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t = mknode(2,l2,l); |
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} else { |
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MKSTR(fname,"toplevel"); MKUSINT(u,asir_infile->ln); |
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t = mknode(2,fname,u); MKLIST(l,t); |
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t = mknode(1,l); |
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} |
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MKLIST(l,t); |
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MKSTR(kwd,"asir_where"); t = mknode(2,kwd,l); |
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MKLIST(LastStackTrace,t); |
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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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int echoback; |
int echoback; |
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extern int read_exec_file, do_fep, do_file; |
extern int do_fep, do_file; |
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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); |
Line 537 int Egetc(FILE *fp) |
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Line 624 int Egetc(FILE *fp) |
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else |
else |
#endif |
#endif |
c = getc(fp); |
c = getc(fp); |
#if defined(VISUAL) |
#if defined(VISUAL) || defined(__MINGW32__) || defined(__MINGW64__) |
if ( recv_intr ) { |
if ( recv_intr ) { |
#include <signal.h> |
#include <signal.h> |
if ( recv_intr == 1 ) { |
if ( recv_intr == 1 ) { |
Line 554 int Egetc(FILE *fp) |
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Line 641 int Egetc(FILE *fp) |
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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 if ( read_exec_file ) |
} else { |
return EOF; |
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else { |
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c = *parse_strp++; |
c = *parse_strp++; |
if ( !c ) |
if ( !c ) |
return EOF; |
return EOF; |
Line 594 static int Getc() { |
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Line 679 static int Getc() { |
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else |
else |
c = Getc(); |
c = Getc(); |
break; |
break; |
} else if ( read_exec_file || do_file ) |
} else if ( asir_infile->fp || do_file ) { |
asir_terminate(2); |
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else { |
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if ( asir_infile->fp ) |
if ( asir_infile->fp ) |
clearerr(asir_infile->fp); |
clearerr(asir_infile->fp); |
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asir_terminate(2); |
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} else { |
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error("end-of-line detected during parsing"); |
} |
} |
else |
else |
break; |
break; |
Line 668 char *readline_console(char *prompt) |
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Line 754 char *readline_console(char *prompt) |
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exp_result = history_expand(line,&expansion); |
exp_result = history_expand(line,&expansion); |
if ( !exp_result ) { |
if ( !exp_result ) { |
free(expansion); |
free(expansion); |
for ( ; isspace(*line); line++ ); |
for ( ; isspace((unsigned char)*line); line++ ); |
add_history(line); |
add_history(line); |
break; |
break; |
} else if ( exp_result > 0 ) { |
} else if ( exp_result > 0 ) { |