| version 1.5, 2000/08/22 05:04:27 |
version 1.19, 2001/12/21 08:23:15 |
|
|
| * 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 1.4 2000/08/21 08:31:47 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.18 2001/10/09 01:36:24 noro Exp $ |
| */ |
*/ |
| #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(); |
|
| static int Getc(); |
|
| static void Ungetc(); |
|
| static void Gets(); |
|
| |
|
| #define NBUFSIZ (BUFSIZ*10) |
#define NBUFSIZ (BUFSIZ*10) |
| #define TBUFSIZ (BUFSIZ) |
#define TBUFSIZ (BUFSIZ) |
| |
|
|
|
| break;\ |
break;\ |
| } |
} |
| |
|
| yylex() |
int yylex() |
| { |
{ |
| #define yylvalp (&yylval) |
#define yylvalp (&yylval) |
| register int c,c1; |
register int c,c1; |
|
|
| 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,"@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 460 int aftercomment() { |
|
| Line 481 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 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 ) |
|
|
| } |
} |
| } |
} |
| |
|
| 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 FEP |
| |
if ( do_fep && isatty(fileno(fp)) ) |
| |
readline_ungetc(); |
| |
else |
| |
#endif |
| |
ungetc(c,fp); |
| } else |
} else |
| *--parse_strp = c; |
*--parse_strp = c; |
| } |
} |
| Line 541 static int Getc() { |
|
| Line 574 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 559 static int Getc() { |
|
| Line 596 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 568 static void Ungetc(c) { |
|
| Line 605 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 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 |