version 1.69, 2001/01/09 16:11:35
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version 1.83, 2001/06/16 22:53:36
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Line 72
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Line 72
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\ df_.* DFloat * |
\ df_.* DFloat * |
\ sf_.* SFloat * |
\ sf_.* SFloat * |
\ xt.* XT |
\ xt.* XT |
\ wid.* WID |
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\ 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 91
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Line 94
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\E s" DFloat *" single data-stack type-prefix df_ |
\E s" DFloat *" single data-stack type-prefix df_ |
\E s" SFloat *" single data-stack type-prefix sf_ |
\E s" SFloat *" single data-stack type-prefix sf_ |
\E s" Xt" single data-stack type-prefix xt |
\E s" Xt" single data-stack type-prefix xt |
\E s" WID" single data-stack type-prefix wid |
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\E s" struct F83Name *" single data-stack type-prefix f83name |
\E s" struct F83Name *" single data-stack type-prefix f83name |
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\E s" struct Longname *" single data-stack type-prefix longname |
\E |
\E |
\E return-stack stack-prefix R: |
\E return-stack stack-prefix R: |
\E inst-stream stack-prefix # |
\E inst-stream stack-prefix # |
Line 127
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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 |
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: |
Line 140 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 147 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 403 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 512 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 909 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 936 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 1186 f83name2=f83name1;
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Line 1202 f83name2=f83name1;
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r> @ |
r> @ |
REPEAT THEN nip nip ; |
REPEAT THEN nip nip ; |
: (find-samelen) ( u f83name1 -- u f83name2/0 ) |
: (find-samelen) ( u f83name1 -- u f83name2/0 ) |
BEGIN 2dup cell+ c@ $1F and <> WHILE @ dup 0= UNTIL THEN ; |
BEGIN 2dup cell+ c@ $1F and <> WHILE @ dup 0= UNTIL THEN ; |
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\+hash |
\+hash |
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Line 1375 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 1423 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 1665 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 2136 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 2157 if(dent == NULL) {
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Line 2178 if(dent == NULL) {
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flag = 0; |
flag = 0; |
} else { |
} else { |
u2 = strlen(dent->d_name); |
u2 = strlen(dent->d_name); |
if(u2 > u1) |
if(u2 > u1) { |
u2 = u1; |
u2 = u1; |
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wior = -512-ENAMETOOLONG; |
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} |
memmove(c_addr, dent->d_name, u2); |
memmove(c_addr, dent->d_name, u2); |
} |
} |
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Line 2277 for(u2=0; u2<u1; u2++)
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Line 2300 for(u2=0; u2<u1; u2++)
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wior=FILEIO(ferror((FILE *)wfileid)); |
wior=FILEIO(ferror((FILE *)wfileid)); |
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\+ |
\+ |
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(listlfind) ( c_addr u longname1 -- longname2 ) new paren_listlfind |
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for (; longname1 != NULL; longname1 = (struct Longname *)(longname1->next)) |
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if ((UCell)LONGNAME_COUNT(longname1)==u && |
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memcasecmp(c_addr, longname1->name, u)== 0 /* or inline? */) |
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break; |
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longname2=longname1; |
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: |
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BEGIN dup WHILE (findl-samelen) dup WHILE |
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>r 2dup r@ cell+ cell+ capscomp 0= |
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IF 2drop r> EXIT THEN |
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r> @ |
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REPEAT THEN nip nip ; |
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: (findl-samelen) ( u longname1 -- u longname2/0 ) |
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BEGIN 2dup cell+ @ lcount-mask and <> WHILE @ dup 0= UNTIL THEN ; |
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\+hash |
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(hashlfind) ( c_addr u a_addr -- longname2 ) new paren_hashlfind |
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struct Longname *longname1; |
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longname2=NULL; |
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while(a_addr != NULL) |
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{ |
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longname1=(struct Longname *)(a_addr[1]); |
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a_addr=(Cell *)(a_addr[0]); |
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if ((UCell)LONGNAME_COUNT(longname1)==u && |
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memcasecmp(c_addr, longname1->name, u)== 0 /* or inline? */) |
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{ |
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longname2=longname1; |
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break; |
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} |
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} |
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: |
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BEGIN dup WHILE |
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2@ >r >r dup r@ cell+ @ lcount-mask and = |
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IF 2dup r@ cell+ cell+ capscomp 0= |
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IF 2drop r> rdrop EXIT THEN THEN |
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rdrop r> |
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REPEAT nip nip ; |
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(tablelfind) ( c_addr u a_addr -- longname2 ) new paren_tablelfind |
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""A case-sensitive variant of @code{(hashfind)}"" |
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struct Longname *longname1; |
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longname2=NULL; |
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while(a_addr != NULL) |
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{ |
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longname1=(struct Longname *)(a_addr[1]); |
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a_addr=(Cell *)(a_addr[0]); |
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if ((UCell)LONGNAME_COUNT(longname1)==u && |
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memcmp(c_addr, longname1->name, u)== 0 /* or inline? */) |
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{ |
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longname2=longname1; |
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break; |
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} |
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} |
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: |
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BEGIN dup WHILE |
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2@ >r >r dup r@ cell+ @ lcount-mask and = |
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IF 2dup r@ cell+ cell+ -text 0= |
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IF 2drop r> rdrop EXIT THEN THEN |
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rdrop r> |
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REPEAT nip nip ; |
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\+ |
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\+peephole |
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\g peephole |
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primtable ( -- wprimtable ) new |
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""wprimtable is a table containing the xts of the primitives indexed |
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by sequence-number in prim (for use in prepare-peephole-table)."" |
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wprimtable = (Cell)primtable(symbols+DOESJUMP+1,MAX_SYMBOLS-DOESJUMP-1); |
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prepare-peephole-table ( wprimtable -- wpeeptable ) new prepare_peephole_opt |
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""wpeeptable is a data structure used by @code{peephole-opt}; it is |
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constructed by combining a primitives table with a simple peephole |
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optimization table."" |
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wpeeptable = prepare_peephole_table((Xt *)wprimtable); |
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peephole-opt ( xt1 xt2 wpeeptable -- xt ) new peephole_opt |
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""xt is the combination of xt1 and xt2 (according to wpeeptable); if |
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they cannot be combined, xt is 0."" |
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xt = peephole_opt(xt1, xt2, wpeeptable); |
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call ( #a_callee -- R:a_retaddr ) |
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""Call callee (a variant of docol with inline argument)."" |
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a_retaddr = (Cell *)IP; |
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SET_IP((Xt *)a_callee); |
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useraddr ( #u -- a_addr ) |
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a_addr = (Cell *)(up+u); |
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include(peeprules.vmg) |
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\+ |