version 1.46, 2002/11/24 13:54:01
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version 1.49, 2002/12/19 20:43:26
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Line 84 struct Longname {
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Line 84 struct Longname {
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#define LONGNAME_COUNT(np) ((np)->countetc & (((~((UCell)0))<<3)>>3)) |
#define LONGNAME_COUNT(np) ((np)->countetc & (((~((UCell)0))<<3)>>3)) |
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Cell *SP; |
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Float *FP; |
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Address UP=NULL; |
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#if 0 |
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/* not used currently */ |
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int emitcounter; |
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#endif |
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#define NULLC '\0' |
#define NULLC '\0' |
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#ifdef MEMCMP_AS_SUBROUTINE |
#ifdef MEMCMP_AS_SUBROUTINE |
Line 99 extern int gforth_memcmp(const char * s1
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Line 91 extern int gforth_memcmp(const char * s1
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#define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n) |
#define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n) |
#endif |
#endif |
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#ifdef HAS_FILE |
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char *cstr(Char *from, UCell size, int clear) |
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/* return a C-string corresponding to the Forth string ( FROM SIZE ). |
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the C-string lives until the next call of cstr with CLEAR being true */ |
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{ |
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static struct cstr_buffer { |
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char *buffer; |
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size_t size; |
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} *buffers=NULL; |
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static int nbuffers=0; |
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static int used=0; |
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struct cstr_buffer *b; |
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if (buffers==NULL) |
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buffers=malloc(0); |
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if (clear) |
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used=0; |
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if (used>=nbuffers) { |
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buffers=realloc(buffers,sizeof(struct cstr_buffer)*(used+1)); |
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buffers[used]=(struct cstr_buffer){malloc(0),0}; |
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nbuffers=used+1; |
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} |
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b=&buffers[used]; |
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if (size+1 > b->size) { |
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b->buffer = realloc(b->buffer,size+1); |
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b->size = size+1; |
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} |
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memcpy(b->buffer,from,size); |
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b->buffer[size]='\0'; |
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used++; |
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return b->buffer; |
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} |
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char *tilde_cstr(Char *from, UCell size, int clear) |
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/* like cstr(), but perform tilde expansion on the string */ |
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{ |
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char *s1,*s2; |
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int s1_len, s2_len; |
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struct passwd *getpwnam (), *user_entry; |
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if (size<1 || from[0]!='~') |
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return cstr(from, size, clear); |
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if (size<2 || from[1]=='/') { |
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s1 = (char *)getenv ("HOME"); |
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if(s1 == NULL) |
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s1 = ""; |
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s2 = from+1; |
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s2_len = size-1; |
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} else { |
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UCell i; |
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for (i=1; i<size && from[i]!='/'; i++) |
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; |
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if (i==2 && from[1]=='+') /* deal with "~+", i.e., the wd */ |
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return cstr(from+3, size<3?0:size-3,clear); |
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{ |
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char user[i]; |
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memcpy(user,from+1,i-1); |
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user[i-1]='\0'; |
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user_entry=getpwnam(user); |
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} |
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if (user_entry==NULL) |
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return cstr(from, size, clear); |
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s1 = user_entry->pw_dir; |
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s2 = from+i; |
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s2_len = size-i; |
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} |
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s1_len = strlen(s1); |
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if (s1_len>1 && s1[s1_len-1]=='/') |
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s1_len--; |
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{ |
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char path[s1_len+s2_len]; |
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memcpy(path,s1,s1_len); |
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memcpy(path+s1_len,s2,s2_len); |
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return cstr(path,s1_len+s2_len,clear); |
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} |
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} |
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#endif |
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DCell timeval2us(struct timeval *tvp) |
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{ |
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#ifndef BUGGY_LONG_LONG |
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return (tvp->tv_sec*(DCell)1000000)+tvp->tv_usec; |
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#else |
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DCell d2; |
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DCell d1=mmul(tvp->tv_sec,1000000); |
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d2.lo = d1.lo+tvp->tv_usec; |
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d2.hi = d1.hi + (d2.lo<d1.lo); |
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return d2; |
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#endif |
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} |
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#define NEWLINE '\n' |
#define NEWLINE '\n' |
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#ifndef HAVE_RINT |
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#define rint(x) floor((x)+0.5) |
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#endif |
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#ifdef HAS_FILE |
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static char* fileattr[6]={"rb","rb","r+b","r+b","wb","wb"}; |
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static char* pfileattr[6]={"r","r","r+","r+","w","w"}; |
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#ifndef O_BINARY |
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#define O_BINARY 0 |
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#endif |
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#ifndef O_TEXT |
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#define O_TEXT 0 |
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#endif |
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static int ufileattr[6]= { |
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O_RDONLY|O_BINARY, O_RDONLY|O_BINARY, |
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O_RDWR |O_BINARY, O_RDWR |O_BINARY, |
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O_WRONLY|O_BINARY, O_WRONLY|O_BINARY }; |
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#endif |
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/* conversion on fetch */ |
/* conversion on fetch */ |
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#define vm_Cell2f(_cell,_x) ((_x)=(Bool)(_cell)) |
#define vm_Cell2f(_cell,_x) ((_x)=(Bool)(_cell)) |
Line 302 static int ufileattr[6]= {
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Line 182 static int ufileattr[6]= {
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#endif |
#endif |
#define SUPER_CONTINUE |
#define SUPER_CONTINUE |
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#ifdef GFORTH_DEBUGGING |
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/* define some VM registers as global variables, so they survive exceptions; |
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global register variables are not up to the task (according to the |
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GNU C manual) */ |
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Xt *saved_ip; |
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Cell *rp; |
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#endif |
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#ifdef NO_IP |
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static Label next_code; |
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#endif |
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#ifdef DEBUG |
#ifdef DEBUG |
#define CFA_TO_NAME(__cfa) \ |
#define CFA_TO_NAME(__cfa) \ |
Cell len, i; \ |
Cell len, i; \ |
Line 328 static Label next_code;
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Line 196 static Label next_code;
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} |
} |
#endif |
#endif |
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Xt *primtable(Label symbols[], Cell size) |
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/* used in primitive primtable for peephole optimization */ |
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{ |
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Xt *xts = (Xt *)malloc(size*sizeof(Xt)); |
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Cell i; |
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for (i=0; i<size; i++) |
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xts[i] = &symbols[i]; |
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return xts; |
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} |
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define(enginerest, |
define(enginerest, |
`(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
`(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |