version 1.77, 2001/02/28 22:31:43
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version 1.91, 2002/01/20 19:04:10
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Line 74
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Line 74
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\ xt.* XT |
\ xt.* XT |
\ f83name.* F83Name * |
\ f83name.* F83Name * |
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\E stack data-stack sp Cell |
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\E stack fp-stack fp Float |
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\E stack return-stack rp Cell |
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\E |
\E get-current prefixes set-current |
\E get-current prefixes set-current |
\E |
\E |
\E s" Bool" single data-stack type-prefix f |
\E s" Bool" single data-stack type-prefix f |
Line 126
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Line 130
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\ these m4 macros would collide with identifiers |
\ these m4 macros would collide with identifiers |
undefine(`index') |
undefine(`index') |
undefine(`shift') |
undefine(`shift') |
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undefine(`symbols') |
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\g control |
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noop ( -- ) gforth |
noop ( -- ) gforth |
: |
: |
Line 174 $1 ( `#'ndisp $2 ) $3
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Line 181 $1 ( `#'ndisp $2 ) $3
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$4 SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
$4 SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
$5 |
$5 |
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\+glocals |
\+glocals |
Line 183 $4 lp += nlocals;
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Line 191 $4 lp += nlocals;
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SET_IP((Xt *)(((Cell)(IP-2))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-2))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
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\+ |
\+ |
) |
) |
Line 209 if (f==0) {
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Line 218 if (f==0) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
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?dup-0=-?branch ( #ndisp f -- ) new question_dupe_zero_equals_question_branch |
?dup-0=-?branch ( #ndisp f -- ) new question_dupe_zero_equals_question_branch |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
Line 221 if (f!=0) {
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Line 231 if (f!=0) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
NEXT; |
NEXT; |
} |
} |
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SUPER_CONTINUE; |
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\+ |
\+ |
\f[THEN] |
\f[THEN] |
Line 302 if (nstart == nlimit) {
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Line 313 if (nstart == nlimit) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
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: |
2dup = |
2dup = |
IF r> swap rot >r >r |
IF r> swap rot >r >r |
Line 317 if (nstart >= nlimit) {
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Line 329 if (nstart >= nlimit) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 332 if (ustart >= ulimit) {
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Line 345 if (ustart >= ulimit) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 347 if (nstart <= nlimit) {
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Line 361 if (nstart <= nlimit) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 362 if (ustart <= ulimit) {
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Line 377 if (ustart <= ulimit) {
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SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
SET_IP((Xt *)(((Cell)(IP-1))+ndisp)); |
TAIL; |
TAIL; |
} |
} |
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SUPER_CONTINUE; |
: |
: |
swap 2dup |
swap 2dup |
r> swap >r swap >r |
r> swap >r swap >r |
Line 404 k ( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 )
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Line 420 k ( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 )
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\ digit is high-level: 0/0% |
\ digit is high-level: 0/0% |
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\g strings |
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move ( c_from c_to ucount -- ) core |
move ( c_from c_to ucount -- ) core |
""Copy the contents of @i{ucount} aus at @i{c-from} to |
""Copy the contents of @i{ucount} aus at @i{c-from} to |
@i{c-to}. @code{move} works correctly even if the two areas overlap."" |
@i{c-to}. @code{move} works correctly even if the two areas overlap."" |
Line 513 u2 = u1-n;
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Line 531 u2 = u1-n;
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: |
: |
tuck - >r + r> dup 0< IF - 0 THEN ; |
tuck - >r + r> dup 0< IF - 0 THEN ; |
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\g arith |
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+ ( n1 n2 -- n ) core plus |
+ ( n1 n2 -- n ) core plus |
n = n1+n2; |
n = n1+n2; |
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Line 910 f = FLAG(u1-u2 < u3-u2);
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Line 930 f = FLAG(u1-u2 < u3-u2);
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: |
: |
over - >r - r> u< ; |
over - >r - r> u< ; |
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\g internal |
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sp@ ( -- a_addr ) gforth sp_fetch |
sp@ ( -- a_addr ) gforth sp_fetch |
a_addr = sp+1; |
a_addr = sp+1; |
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Line 937 fp = f_addr;
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Line 959 fp = f_addr;
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""The primitive compiled by @code{EXIT}."" |
""The primitive compiled by @code{EXIT}."" |
SET_IP((Xt *)w); |
SET_IP((Xt *)w); |
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\g stack |
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>r ( w -- R:w ) core to_r |
>r ( w -- R:w ) core to_r |
: |
: |
(>r) ; |
(>r) ; |
Line 1332 a_addr = (Cell *)DOES_CODE(xt);
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Line 1356 a_addr = (Cell *)DOES_CODE(xt);
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code-address! ( c_addr xt -- ) gforth code_address_store |
code-address! ( c_addr xt -- ) gforth code_address_store |
""Create a code field with code address @i{c-addr} at @i{xt}."" |
""Create a code field with code address @i{c-addr} at @i{xt}."" |
MAKE_CF(xt, c_addr); |
MAKE_CF(xt, c_addr); |
CACHE_FLUSH(xt,(size_t)PFA(0)); |
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! ; |
! ; |
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Line 1340 does-code! ( a_addr xt -- ) gforth does
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Line 1363 does-code! ( a_addr xt -- ) gforth does
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""Create a code field at @i{xt} for a child of a @code{DOES>}-word; |
""Create a code field at @i{xt} for a child of a @code{DOES>}-word; |
@i{a-addr} is the start of the Forth code after @code{DOES>}."" |
@i{a-addr} is the start of the Forth code after @code{DOES>}."" |
MAKE_DOES_CF(xt, a_addr); |
MAKE_DOES_CF(xt, a_addr); |
CACHE_FLUSH(xt,(size_t)PFA(0)); |
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dodoes: over ! cell+ ! ; |
dodoes: over ! cell+ ! ; |
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Line 1348 does-handler! ( a_addr -- ) gforth does_
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Line 1370 does-handler! ( a_addr -- ) gforth does_
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""Create a @code{DOES>}-handler at address @i{a-addr}. Normally, |
""Create a @code{DOES>}-handler at address @i{a-addr}. Normally, |
@i{a-addr} points just behind a @code{DOES>}."" |
@i{a-addr} points just behind a @code{DOES>}."" |
MAKE_DOES_HANDLER(a_addr); |
MAKE_DOES_HANDLER(a_addr); |
CACHE_FLUSH((caddr_t)a_addr,DOES_HANDLER_SIZE); |
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drop ; |
drop ; |
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Line 1376 n=1;
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Line 1397 n=1;
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\f[THEN] |
\f[THEN] |
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\g hostos |
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key-file ( wfileid -- n ) gforth paren_key_file |
key-file ( wfileid -- n ) gforth paren_key_file |
#ifdef HAS_FILE |
#ifdef HAS_FILE |
fflush(stdout); |
fflush(stdout); |
Line 1449 c_addr2 = getenv(cstr(c_addr1,u1,1));
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Line 1472 c_addr2 = getenv(cstr(c_addr1,u1,1));
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u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2)); |
u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2)); |
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open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
wfileid=(Cell)popen(cstr(c_addr,u,1),fileattr[wfam]); /* ~ expansion of 1st arg? */ |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
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close-pipe ( wfileid -- wretval wior ) gforth close_pipe |
close-pipe ( wfileid -- wretval wior ) gforth close_pipe |
Line 1591 if (wior)
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Line 1614 if (wior)
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clearerr((FILE *)wfileid); |
clearerr((FILE *)wfileid); |
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read-line ( c_addr u1 wfileid -- u2 flag wior ) file read_line |
read-line ( c_addr u1 wfileid -- u2 flag wior ) file read_line |
""this is only for backward compatibility"" |
/* this may one day be replaced with : read-line (read-line) nip ; */ |
Cell c; |
Cell c; |
flag=-1; |
flag=-1; |
for(u2=0; u2<u1; u2++) |
for(u2=0; u2<u1; u2++) |
Line 1667 else {
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Line 1690 else {
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\+ |
\+ |
\+floating |
\+floating |
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\g floating |
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comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
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Line 2138 Variable UP
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Line 2163 Variable UP
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wcall ( u -- ) gforth |
wcall ( u -- ) gforth |
IF_fpTOS(fp[0]=fpTOS); |
IF_fpTOS(fp[0]=fpTOS); |
FP=fp; |
FP=fp; |
sp=(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP); |
sp=(Cell*)(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP); |
fp=FP; |
fp=FP; |
IF_spTOS(spTOS=sp[0];) |
IF_spTOS(spTOS=sp[0];) |
IF_fpTOS(fpTOS=fp[0]); |
IF_fpTOS(fpTOS=fp[0]); |
Line 2346 while(a_addr != NULL)
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Line 2371 while(a_addr != NULL)
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\+ |
\+ |
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\+peephole |
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\g peephole |
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primtable ( -- wprimtable ) new |
primtable ( -- wprimtable ) new |
""wprimtable is a table containing the xts of the primitives indexed |
""wprimtable is a table containing the xts of the primitives indexed |
by sequence-number in prim (for use in prepare-peephole-table)."" |
by sequence-number in prim (for use in prepare-peephole-table)."" |
Line 2362 peephole-opt ( xt1 xt2 wpeeptable -- xt
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Line 2391 peephole-opt ( xt1 xt2 wpeeptable -- xt
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they cannot be combined, xt is 0."" |
they cannot be combined, xt is 0."" |
xt = peephole_opt(xt1, xt2, wpeeptable); |
xt = peephole_opt(xt1, xt2, wpeeptable); |
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lit_plus = lit + |
call ( #a_callee -- R:a_retaddr ) new |
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call ( #a_callee -- R:a_retaddr ) |
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""Call callee (a variant of docol with inline argument)."" |
""Call callee (a variant of docol with inline argument)."" |
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#ifdef DEBUG |
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{ |
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CFA_TO_NAME((((Cell *)a_callee)-2)); |
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fprintf(stderr,"%08lx: call %08lx %.*s\n",(Cell)ip,(Cell)a_callee, |
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len,name); |
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} |
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#endif |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
SET_IP((Xt *)a_callee); |
SET_IP((Xt *)a_callee); |
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useraddr ( #u -- a_addr ) |
useraddr ( #u -- a_addr ) new |
a_addr = (Cell *)(up+u); |
a_addr = (Cell *)(up+u); |
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compile-prim ( xt1 -- xt2 ) new compile_prim |
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xt2 = (Xt)compile_prim((Label)xt1); |
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lit@ ( #a_addr -- w ) new lit_fetch |
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w = *a_addr; |
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lit-perform ( #a_addr -- ) new lit_perform |
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ip=IP; |
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SUPER_END; |
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EXEC(*(Xt *)a_addr); |
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lit+ ( #n1 n2 -- n3 ) new lit_plus |
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n3 = n1 + n2; |
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does-exec ( #a_cfa -- R:nest a_pfa ) new does_exec |
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a_pfa = PFA(a_cfa); |
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nest = (Cell)ip; |
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IF_spTOS(spTOS = sp[0]); |
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#ifdef DEBUG |
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{ |
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CFA_TO_NAME(a_cfa); |
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fprintf(stderr,"%08lx: does %08lx %.*s\n", |
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(Cell)ip,(Cell)a_cfa,len,name); |
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} |
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#endif |
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SET_IP(DOES_CODE1(a_cfa)); |
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include(peeprules.vmg) |
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\+ |