version 1.75, 2001/02/26 15:14:20
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version 1.86, 2001/12/24 20:39:29
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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 139 execute ( xt -- ) core
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Line 146 execute ( xt -- ) core
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""Perform the semantics represented by the execution token, @i{xt}."" |
""Perform the semantics represented by the execution token, @i{xt}."" |
ip=IP; |
ip=IP; |
IF_spTOS(spTOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); |
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SUPER_END; |
EXEC(xt); |
EXEC(xt); |
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perform ( a_addr -- ) gforth |
perform ( a_addr -- ) gforth |
Line 146 perform ( a_addr -- ) gforth
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Line 154 perform ( a_addr -- ) gforth
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/* and pfe */ |
/* and pfe */ |
ip=IP; |
ip=IP; |
IF_spTOS(spTOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); |
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SUPER_END; |
EXEC(*(Xt *)a_addr); |
EXEC(*(Xt *)a_addr); |
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@ execute ; |
@ execute ; |
Line 402 k ( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 )
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Line 411 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 511 u2 = u1-n;
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Line 522 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 908 f = FLAG(u1-u2 < u3-u2);
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Line 921 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 935 fp = f_addr;
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Line 950 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 |
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: |
(>r) ; |
(>r) ; |
Line 1374 n=1;
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Line 1391 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 1422 cache.""
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Line 1441 cache.""
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FLUSH_ICACHE(c_addr,u); |
FLUSH_ICACHE(c_addr,u); |
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(bye) ( n -- ) gforth paren_bye |
(bye) ( n -- ) gforth paren_bye |
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SUPER_END; |
return (Label *)n; |
return (Label *)n; |
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(system) ( c_addr u -- wretval wior ) gforth peren_system |
(system) ( c_addr u -- wretval wior ) gforth peren_system |
Line 1446 c_addr2 = getenv(cstr(c_addr1,u1,1));
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Line 1466 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 1588 if (wior)
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Line 1608 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 1664 else {
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Line 1684 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 2135 Variable UP
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Line 2157 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 2343 while(a_addr != NULL)
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Line 2365 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 2359 peephole-opt ( xt1 xt2 wpeeptable -- xt
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Line 2385 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)."" |
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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include(peeprules.vmg) |
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\+ |