File: [local] / OpenXM_contrib2 / asir2000 / parse / glob.c (download)
Revision 1.4, Wed Jan 19 01:49:36 2000 UTC (24 years, 8 months ago) by noro
Branch: MAIN
CVS Tags: RELEASE_20000124 Changes since 1.3: +6 -6
lines
A dirty fix: Asir crashed when ASIR_LIBDIR is too long.
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/* $OpenXM: OpenXM_contrib2/asir2000/parse/glob.c,v 1.4 2000/01/19 01:49:36 noro Exp $ */
#include "ca.h"
#include "al.h"
#include "parse.h"
#if PARI
#include "genpari.h"
#endif
#if !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1) && !defined(linux) && !defined(SYSV)
#include <sgtty.h>
#else
#if defined(THINK_C) && !defined(__MWERKS__)
#include <console.h>
#endif
#endif
#if defined(VISUAL)
#include <io.h>
#include <direct.h>
#endif
#if defined(SYSV)
#include <sys/ttold.h>
#endif
#if defined(THINK_C) || defined(VISUAL)
#if defined(VISUAL)
#define HISTORY asir_history
#else
#define HISTORY "history"
#endif
#endif
#define MAXHIST 100
extern int GC_free_space_divisor;
extern int GC_free_space_numerator;
extern FILE *asir_out;
IN asir_infile;
jmp_buf env,debug_env,timer_env;
int little_endian,debug_mode;
char *asir_libdir;
char *asir_pager;
NODE usrf,sysf,noargsysf,ubinf,parif;
NODE ONENODE;
int main_parser, ox_do_copy, ox_do_count, ox_count_length;
int ox_file_io, ox_need_conv;
char *ox_copy_bptr;
char *parse_strp;
SNODE parse_snode;
FUNC parse_targetf;
FILE *ox_istream,*ox_ostream;
int do_server_in_X11;
Obj LastVal;
char LastError[BUFSIZ];
struct oV oVAR[] = {
{"x",0,0}, {"y",0,0}, {"z",0,0}, {"u",0,0},
{"v",0,0}, {"w",0,0}, {"p",0,0}, {"q",0,0},
{"r",0,0}, {"s",0,0}, {"t",0,0}, {"a",0,0},
{"b",0,0}, {"c",0,0}, {"d",0,0}, {"e",0,0},
{"f",0,0}, {"g",0,0}, {"h",0,0}, {"i",0,0},
{"j",0,0}, {"k",0,0}, {"l",0,0}, {"m",0,0},
{"n",0,0}, {"o",0,0},
{"_x",0,0}, {"_y",0,0}, {"_z",0,0}, {"_u",0,0},
{"_v",0,0}, {"_w",0,0}, {"_p",0,0}, {"_q",0,0},
{"_r",0,0}, {"_s",0,0}, {"_t",0,0}, {"_a",0,0},
{"_b",0,0}, {"_c",0,0}, {"_d",0,0}, {"_e",0,0},
{"_f",0,0}, {"_g",0,0}, {"_h",0,0}, {"_i",0,0},
{"_j",0,0}, {"_k",0,0}, {"_l",0,0}, {"_m",0,0},
{"_n",0,0}, {"_o",0,0}
};
struct oVL oVLIST[52];
VL CO = oVLIST;
VL ALG;
struct oVS oGPVS,oAPVS,oEPVS;
VS GPVS = &oGPVS;
VS APVS = &oAPVS;
VS EPVS = &oEPVS;
VS CPVS;
struct oF oF_TRUE,oF_FALSE;
F F_TRUE = &oF_TRUE;
F F_FALSE = &oF_FALSE;
#if defined(__SVR4) && defined(sun)
char cppname[BUFSIZ] = "/usr/ccs/lib/cpp ";
#else
#if defined(__FreeBSD__) || defined(__NetBSD__)
char cppname[BUFSIZ] = "/usr/bin/cpp ";
#else
#if defined(VISUAL)
char cppname[BUFSIZ] = "c:\\asir\\stdlib\\cpp ";
#else
char cppname[BUFSIZ] = "/lib/cpp ";
#endif
#endif
#endif
char asirname[BUFSIZ];
char displayname[BUFSIZ];
int Verbose;
void glob_init() {
int i;
for ( i = 0; i < 51; i++ ) {
VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = &oVLIST[i+1];
}
VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = 0;
reallocarray((char **)&GPVS->va,(int *)&GPVS->asize,(int *)&GPVS->n,(int)sizeof(struct oPV));
reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
CPVS = GPVS;
MKNODE(ONENODE,mkfnode(1,I_FORMULA,ONE),0);
OID(F_TRUE)=O_F; FOP(F_TRUE)=AL_TRUE; F_TRUE->arg.dummy = 0;
OID(F_FALSE)=O_F; FOP(F_FALSE)=AL_FALSE; F_FALSE->arg.dummy = 0;
sprintf(asirname,"%s/asir_symtab",asir_libdir);
#if defined(THINK_C)
initVol();
#endif
}
void input_init(fp,name)
FILE *fp;
char *name;
{
asir_infile = (IN)CALLOC(sizeof(struct oIN),1);
asir_infile->name = name; asir_infile->fp = fp;
asir_infile->ln = 1; NEXT(asir_infile) = 0;
}
void notdef(vl,a,b,c)
VL vl;
Obj a,b,*c;
{
*c = 0;
error("undefined arithmetic operation.");
}
int kernelmode;
int do_asirrc;
int do_file;
int do_message;
int do_fep;
int no_prompt;
int read_exec_file;
static int buserr_sav;
static char asir_history[BUFSIZ];
extern int mpi_myid;
/*
* status = 1 abnormal termination (error() etc.)
* status = 2 normal termination (end(), quit() etc.)
*/
void asir_terminate(status)
int status;
{
if ( read_exec_file ) {
read_exec_file = 0; longjmp(env,status);
} else {
tty_reset();
#if INET && !defined(THINK_C)
#if MPI
if ( !mpi_myid )
close_allconnections();
mpi_finalize();
#else
close_allconnections();
#endif
#endif
if ( kernelmode )
fputc(0xff,asir_out);
if ( asir_out )
fflush(asir_out);
#if defined(THINK_C) && !defined(__MWERKS__)
*((int *)0x8) = buserr_sav;
while ( NEXT(asir_infile) )
closecurrentinput();
console_options.pause_atexit = 0;
resetDir();
write_hist(HISTORY);
#endif
ExitAsir();
}
}
void param_init() {
unsigned int et = 0xff;
extern int paristack;
#if defined(THINK_C)
char name[BUFSIZ];
int c;
int val;
FILE *fp;
int stacksize;
#include <Memory.h>
GC_free_space_divisor = 4; stacksize = 0x40000;
if ( fp = fopen("params","r") ) {
while ( 1 ) {
c = fgetc(fp);
if ( c == EOF )
break;
else
ungetc(c,fp);
fscanf(fp,"%s %d",name,&val);
if ( !strcmp(name,"stacksize") )
stacksize = val;
else if ( !strcmp(name,"adj") )
GC_free_space_divisor = val;
#if PARI
else if ( !strcmp(name,"paristack") )
paristack = val;
#endif
}
fclose(fp);
}
#if defined(__MWERKS__)
{
Ptr al;
al = LMGetApplLimit();
LMSetApplLimit(al-stacksize);
}
#else
ApplLimit = (Ptr)((char *)ApplLimit-stacksize);
console_options.title = "\pAsir";
#endif
#endif
if ( *((char *)&et) )
little_endian = 1;
else
little_endian = 0;
}
void prompt() {
if ( !no_prompt && !do_fep && asir_infile->fp == stdin )
fprintf(asir_out,"[%d]%c",APVS->n,kernelmode?0xfe:' ');
fflush(asir_out);
}
void sprompt(ptr)
char *ptr;
{
sprintf(ptr,"[%d]%c",APVS->n,kernelmode?0xfe:' ');
}
#if 0 && !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1)
static struct tchars tc;
static char oldeof;
struct winsize wsize;
int ttywidth;
char *upperbuf,*lowerbuf;
#endif
FILE *in_fp;
void process_args(ac,av)
int ac;
char **av;
{
#if !defined(THINK_C)
do_asirrc = 1;
#if !MPI
do_message = 1;
#endif
while ( ac > 0 ) {
if ( !strcmp(*av,"-heap") && (ac >= 2) ) {
void GC_expand_hp(int);
GC_expand_hp(atoi(*(av+1))); av += 2; ac -= 2;
} else if ( !strcmp(*av,"-adj") && (ac >= 2) ) {
char *slash;
slash = strrchr(*(av+1),'/');
if ( slash ) {
*slash = 0;
GC_free_space_numerator = atoi(slash+1);
}
GC_free_space_divisor = atoi(*(av+1));
av += 2; ac -= 2;
} else if ( !strcmp(*av,"-cpp") && (ac >= 2) ) {
strcpy(cppname,*(av+1)); av += 2; ac -= 2;
} else if ( !strcmp(*av,"-f") && (ac >= 2) ) {
in_fp = fopen(*(av+1),"r");
if ( !in_fp ) {
fprintf(stderr,"%s does not exist!",*(av+1));
asir_terminate(1);
}
do_file = 1;
av += 2; ac -= 2;
} else if ( !strcmp(*av,"-kernel") ) {
kernelmode = 1; av++; ac--;
} else if ( !strcmp(*av,"-norc") ) {
do_asirrc = 0; av++; ac--;
} else if ( !strcmp(*av,"-nomessage") ) {
do_message = 0; av++; ac--;
} else if ( !strcmp(*av,"-terse") ) {
no_prompt = 0; av++; ac--;
} else if ( !strcmp(*av,"-maxheap") && (ac >= 2) ) {
void GC_set_max_heap_size(int);
GC_set_max_heap_size(atoi(*(av+1))); av += 2; ac -= 2;
#if !defined(VISUAL)
} else if ( !strcmp(*av,"-display") && (ac >= 2) ) {
strcpy(displayname,*(av+1)); av += 2; ac -= 2;
#endif
#if PARI
} else if ( !strcmp(*av,"-paristack") ) {
extern int paristack;
paristack = atoi(*(av+1)); av += 2; ac -= 2;
#endif
} else {
fprintf(stderr,"%s : unknown option.\n",*av);
asir_terminate(1);
}
}
#endif
#if (defined(THINK_C) && !defined(__MWERKS__))
init_hist(MAXHIST);
read_hist(HISTORY);
#endif
}
#include <signal.h>
void sig_init() {
#if !defined(VISUAL)
signal(SIGINT,int_handler);
#else
register_ctrlc_handler();
#endif
signal(SIGSEGV,segv_handler);
#if defined SIGFPE
signal(SIGFPE,fpe_handler);
#endif
#if defined SIGPIPE
signal(SIGPIPE,pipe_handler);
#endif
#if defined SIGILL
signal(SIGILL,ill_handler);
#endif
#if defined(THINK_C)
buserr_sav = *((int *)0x8);
*((int *)0x8) = (int)bus_handler;
#else /* THINK_C */
#if !defined(VISUAL)
signal(SIGBUS,bus_handler);
#endif
#if 0
#if !defined(VISUAL) && !defined(_PA_RISC1_1)
signal(SIGWINCH,winch_handler);
#endif
#endif
#endif /* THINK_C */
}
static void (*old_int)(int);
void asir_save_handler() {
old_int = signal(SIGINT,SIG_IGN);
signal(SIGINT,old_int);
}
void asir_set_handler() {
signal(SIGINT,int_handler);
}
void asir_reset_handler() {
signal(SIGINT,old_int);
}
void resetenv(s)
char *s;
{
extern FILE *outfile;
fprintf(stderr,"%s\n",s);
while ( NEXT(asir_infile) )
closecurrentinput();
resetpvs();
#if !defined(VISUAL)
if ( do_server_in_X11 )
#endif
show_debug_window(0);
#if defined(VISUAL_LIB)
w_noflush_stderr(0);
#endif
asir_out = stdout;
#if PARI
pari_outfile = stdout;
#endif
/* restore states */
reset_engine();
reset_io();
longjmp(env,1);
}
void fatal(n)
int n;
{
resetenv("return to toplevel");
}
FUNC registered_handler;
extern int ox_int_received, critical_when_signal;
void int_handler(sig)
int sig;
{
extern NODE PVSS;
if ( do_file ) {
ExitAsir();
}
if ( critical_when_signal ) {
ox_int_received = 1;
return;
}
#if defined(THINK_C) || defined(VISUAL)
suspend_timer(); signal(SIGINT,SIG_IGN);
#endif
#if defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
signal(SIGINT,SIG_IGN);
#endif
#if !defined(VISUAL)
if ( do_server_in_X11 ) {
debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
restore_handler();
return;
}
#endif
#if defined(linux)
#if 1
while ( stdin->_IO_read_ptr < stdin->_IO_read_end )
#else
while ( stdin->_gptr < stdin->_egptr )
#endif
getchar();
#endif
while ( 1 ) {
char buf[BUFSIZ];
char c;
fprintf(stderr,"interrupt ?(q/t/c/d/u/w/?) "); fflush(stderr);
if ( kernelmode )
fputc('\0',stderr);
buf[0] = '\n';
while ( buf[0] == '\n' )
fgets(buf,BUFSIZ,stdin);
switch ( c = buf[0] ) {
case 'q':
while ( 1 ) {
fprintf(stderr,"Abort this session? (y or n) "); fflush(stderr);
fgets(buf,BUFSIZ,stdin);
if ( !strncmp(buf,"y",1) ) {
read_exec_file = 0;
fprintf(stderr,"Bye\n"); asir_terminate(1);
} else if ( !strncmp(buf,"n",1) ) {
restore_handler();
return;
}
}
break;
case 't':
case 'u':
while ( 1 ) {
fprintf(stderr,"Abort this computation? (y or n) "); fflush(stderr);
fgets(buf,BUFSIZ,stdin);
if ( !strncmp(buf,"y",1) )
break;
else if ( !strncmp(buf,"n",1) ) {
restore_handler();
return;
}
}
if ( debug_mode )
debug_mode = 0;
if ( kernelmode )
fputc('\0',stderr);
restore_handler();
if ( c == 'u' ) {
if ( registered_handler ) {
fprintf(stderr,
"Calling the registered exception handler...");
bevalf(registered_handler,0);
fprintf(stderr, "done.\n");
}
}
if ( read_exec_file ) {
read_exec_file = 0;
resetenv("initialization aborted; return to toplevel");
} else
resetenv("return to toplevel");
break;
case 'd':
#if 0
nextbp = 1; nextbplevel = -1;
#endif
debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
restore_handler();
return;
case 'c':
if ( kernelmode )
fputc('\0',stderr);
restore_handler();
return; break;
case 'w':
showpos(); break;
case '?':
fprintf(stderr, "q:quit t:toplevel c:continue d:debug u:call registered handler w:where\n");
break;
default:
break;
}
}
}
void restore_handler() {
#if defined(THINK_C) || defined(VISUAL)
resume_timer(); signal(SIGINT,int_handler);
#endif
#if defined(_PA_RISC1_1) || defined(linux) || defined(__svr4__)
signal(SIGINT,int_handler);
#endif
}
void segv_handler(sig)
int sig;
{
#if defined(THINK_C) || defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
signal(SIGSEGV,segv_handler);
#endif
error("internal error (SEGV)");
}
void ill_handler(sig)
int sig;
{
#if defined(THINK_C) || defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
signal(SIGILL,ill_handler);
#endif
error("illegal instruction (ILL)");
}
void alrm_handler(sig)
int sig;
{
fprintf(stderr,"interval timer expired (VTALRM)\n");
longjmp(timer_env,1);
}
void bus_handler(sig)
int sig;
{
#if defined(SIGBUS)
signal(SIGBUS,bus_handler);
error("internal error (BUS ERROR)");
#endif
}
void fpe_handler(sig)
int sig;
{
#if defined(THINK_C) || defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
signal(SIGFPE,fpe_handler);
#endif
error("internal error (FPE)");
}
void winch_handler(sig)
int sig;
{
#if 0
#if !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1) && !defined(__svr4__)
if ( isatty(1) ) {
struct winsize t;
if ( ioctl(1,TIOCGWINSZ,&t) == -1 )
perror("TIOCGWINSZ");
if ( t.ws_col != wsize.ws_col || t.ws_row != wsize.ws_row ) {
resize_buffer();
if ( killpg(getpgrp(0),SIGWINCH) == -1 )
perror("killpg");
}
}
#endif
#endif
}
void pipe_handler(sig)
int sig;
{
#if defined(SIGPIPE)
signal(SIGPIPE,pipe_handler);
error("internal error (BROKEN PIPE)");
#endif
}
void resize_buffer()
{
#if 0 && !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1)
if ( isatty(1) ) {
if ( ioctl(1,TIOCGWINSZ,&wsize) == -1 )
perror("TIOCGWINSZ");
if ( wsize.ws_col > 2 ) {
ttywidth = wsize.ws_col - 2;
upperbuf = (char *)MALLOC(wsize.ws_col);
lowerbuf = (char *)MALLOC(wsize.ws_col);
}
}
#endif
}
void tty_init() {
#if 0 && !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1)
if ( isatty(0) ) {
if ( ioctl(0,TIOCGETC,&tc) == -1 )
perror("TIOCGETC");
oldeof = tc.t_eofc; tc.t_eofc = 0xff;
if ( ioctl(0,TIOCSETC,&tc) == -1 )
perror("TIOCSETC");
setpgrp(0, getpid());
}
resize_buffer();
#endif
}
void tty_reset() {
#if 0 && !defined(THINK_C) && !defined(VISUAL) && !defined(_PA_RISC1_1)
if ( oldeof ) {
tc.t_eofc = oldeof;
if ( ioctl(0,TIOCSETC,&tc) == -1 )
perror("TIOCSETC");
}
#endif
}
extern int evalstatline;
void set_lasterror(s)
char *s;
{
strncpy(LastError,s,BUFSIZ);
LastError[BUFSIZ-1] = 0;
}
SNODE error_snode;
void error(s)
char *s;
{
SNODE *snp;
fprintf(stderr,"%s\n",s);
set_lasterror(s);
if ( CPVS != GPVS ) {
searchsn(&BDY(CPVS->usrf->f.usrf),evalstatline,&snp);
error_snode = *snp;
} else
error_snode = 0;
if ( do_file ) {
char errbuf[BUFSIZ*5]; /* sufficient to store stack information ? */
sprintf(errbuf,"%s\n",s);
showpos_to_string(errbuf+strlen(errbuf));
set_lasterror(errbuf);
ExitAsir();
}
if ( debug_mode )
longjmp(debug_env,1);
if ( CPVS != GPVS )
if ( do_server_in_X11 || isatty(0) )
bp(error_snode);
if ( read_exec_file )
read_exec_file = 0;
resetenv("return to toplevel");
}
#if !defined(VISUAL)
#include <sys/time.h>
void set_timer(interval)
int interval;
{
struct itimerval it;
it.it_interval.tv_sec = interval;
it.it_interval.tv_usec = 0;
it.it_value.tv_sec = interval;
it.it_value.tv_usec = 0;
setitimer(ITIMER_VIRTUAL,&it,0);
signal(SIGVTALRM,alrm_handler);
}
void reset_timer()
{
struct itimerval it;
it.it_interval.tv_sec = 0;
it.it_interval.tv_usec = 0;
it.it_value.tv_sec = 0;
it.it_value.tv_usec = 0;
setitimer(ITIMER_VIRTUAL,&it,0);
signal(SIGVTALRM,SIG_IGN);
}
#endif
unsigned int get_asir_version();
void copyright() {
printf("This is Risa/Asir, Version %d.\n",get_asir_version());
printf("Copyright (C) FUJITSU LABORATORIES LIMITED.\n");
printf("1994-1999. All rights reserved.\n");
}