version 1.6, 1994/05/18 17:29:52
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version 1.10, 1994/07/08 15:00:35
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Line 17
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#include "forth.h" |
#include "forth.h" |
#include "io.h" |
#include "io.h" |
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#ifndef unlink |
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extern unlink(char *); |
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#endif |
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#ifndef ftruncate |
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extern ftruncate(int, int); |
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#endif |
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typedef union { |
typedef union { |
struct { |
struct { |
#ifdef BIG_ENDIAN |
#ifdef BIG_ENDIAN |
Line 87 int emitcounter;
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Line 80 int emitcounter;
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static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"}; |
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#if ~defined(select) && defined(DOS) |
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/* select replacement for DOS computers for ms only */ |
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void select(int n, int a, int b, int c, struct timeval * timeout) |
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{ |
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struct timeval time1; |
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struct timeval time2; |
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struct timezone zone1; |
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gettimeofday(&time1,&zone1); |
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time1.tv_sec += timeout->tv_sec; |
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time1.tv_usec += timeout->tv_usec; |
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while(time1.tv_usec >= 1000000) |
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{ |
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time1.tv_usec -= 1000000; |
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time1.tv_sec++; |
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} |
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do |
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{ |
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gettimeofday(&time2,&zone1); |
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} |
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while(time2.tv_usec < time1.tv_usec || time2.tv_sec < time1.tv_sec); |
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} |
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#endif |
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Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp) |
Label *engine(Xt *ip, Cell *sp, Cell *rp, Float *fp, Address lp) |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
Line 127 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 96 Label *engine(Xt *ip, Cell *sp, Cell *rp
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&&dodoes, /* dummy for does handler address */ |
&&dodoes, /* dummy for does handler address */ |
#include "prim_labels.i" |
#include "prim_labels.i" |
}; |
}; |
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int throw_code; |
IF_TOS(register Cell TOS;) |
IF_TOS(register Cell TOS;) |
IF_FTOS(Float FTOS;) |
IF_FTOS(Float FTOS;) |
#ifdef CPU_DEP |
#ifdef CPU_DEP |
Line 136 Label *engine(Xt *ip, Cell *sp, Cell *rp
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Line 106 Label *engine(Xt *ip, Cell *sp, Cell *rp
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if (ip == NULL) |
if (ip == NULL) |
return symbols; |
return symbols; |
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if ((throw_code=setjmp(throw_jmp_buf))) { |
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static Cell signal_data_stack[8]; |
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/* AFAIK, it's not guarateed that the registers have the right value |
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after a longjump, so we avoid using the current values. |
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If it were guaranteed that the registers keep their values, we could |
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call a signal handler in Forth instead of doing the throw from C */ |
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sp = &signal_data_stack[7]; |
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TOS = throw_code; |
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ip = throw_ip; |
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NEXT; |
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} |
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IF_TOS(TOS = sp[0]); |
IF_TOS(TOS = sp[0]); |
IF_FTOS(FTOS = fp[0]); |
IF_FTOS(FTOS = fp[0]); |
prep_terminal(); |
prep_terminal(); |