version 1.205, 2007/01/05 13:36:06
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version 1.220, 2007/12/04 14:55:03
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Line 109
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Line 109
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\E store-optimization on |
\E store-optimization on |
\E ' noop tail-nextp2 ! \ now INST_TAIL just stores, but does not jump |
\E ' noop tail-nextp2 ! \ now INST_TAIL just stores, but does not jump |
\E |
\E |
\E include-skipped-insts on \ static superinsts include cells for components |
\E `include-skipped-insts' on \ static superinsts include cells for components |
\E \ useful for dynamic programming and |
\E \ useful for dynamic programming and |
\E \ superinsts across entry points |
\E \ superinsts across entry points |
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\ |
\ |
\ |
\ |
Line 203 INST_TAIL;
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Line 203 INST_TAIL;
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goto *next_code; |
goto *next_code; |
#endif /* defined(NO_IP) */ |
#endif /* defined(NO_IP) */ |
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(dovalue) ( -- w ) gforth-internal paren_doval |
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""run-time routine for constants"" |
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w = *(Cell *)PFA(CFA); |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(dodoes) ( -- a_body R:a_retaddr ) gforth-internal paren_dodoes |
(dodoes) ( -- a_body R:a_retaddr ) gforth-internal paren_dodoes |
""run-time routine for @code{does>}-defined words"" |
""run-time routine for @code{does>}-defined words"" |
#ifdef NO_IP |
#ifdef NO_IP |
a_retaddr = next_code; |
a_retaddr = next_code; |
a_body = PFA(CFA); |
a_body = PFA(CFA); |
INST_TAIL; |
INST_TAIL; |
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#ifdef DEBUG |
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fprintf(stderr, "dodoes to %x, push %x\n", a_retaddr, a_body); |
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#endif |
goto **(Label *)DOES_CODE1(CFA); |
goto **(Label *)DOES_CODE1(CFA); |
#else /* !defined(NO_IP) */ |
#else /* !defined(NO_IP) */ |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
a_body = PFA(CFA); |
a_body = PFA(CFA); |
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#ifdef DEBUG |
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fprintf(stderr, "dodoes to %x, push %x\n", a_retaddr, a_body); |
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#endif |
SET_IP(DOES_CODE1(CFA)); |
SET_IP(DOES_CODE1(CFA)); |
#endif /* !defined(NO_IP) */ |
#endif /* !defined(NO_IP) */ |
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Line 248 SET_IP((Xt *)a_callee);
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Line 262 SET_IP((Xt *)a_callee);
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execute ( xt -- ) core |
execute ( xt -- ) core |
""Perform the semantics represented by the execution token, @i{xt}."" |
""Perform the semantics represented by the execution token, @i{xt}."" |
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#ifdef DEBUG |
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fprintf(stderr, "execute %08x\n", xt); |
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#endif |
#ifndef NO_IP |
#ifndef NO_IP |
ip=IP; |
ip=IP; |
#endif |
#endif |
Line 329 SET_IP((Xt *)a_target);
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Line 346 SET_IP((Xt *)a_target);
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\ condbranch(forthname,stackeffect,restline,code1,code2,forthcode) |
\ condbranch(forthname,stackeffect,restline,code1,code2,forthcode) |
\ this is non-syntactical: code must open a brace that is closed by the macro |
\ this is non-syntactical: code must open a brace that is closed by the macro |
\ condbranch(forthname,stackeffect,restline,code1,code2,forthcode) |
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\ this is non-syntactical: code must open a brace that is closed by the macro |
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define(condbranch, |
define(condbranch, |
$1 ( `#'a_target $2 ) $3 |
$1 ( `#'a_target $2 ) $3 |
$4 #ifdef NO_IP |
$4 #ifdef NO_IP |
Line 340 $5 #ifdef NO_IP
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Line 355 $5 #ifdef NO_IP
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
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ifelse(condbranch_opt,`1',`INST_TAIL; NEXT_P2;',`/* condbranch_opt=0 */') |
#endif |
#endif |
} |
} |
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ifelse(condbranch_opt,`1',`SUPER_CONTINUE;',`/* condbranch_opt=0 */') |
$6 |
$6 |
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\+glocals |
\+glocals |
Line 355 $5 lp += nlocals;
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Line 372 $5 lp += nlocals;
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JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
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ifelse(condbranch_opt,`1',`INST_TAIL; NEXT_P2;',`/* condbranch_opt=0 */') |
#endif |
#endif |
} |
} |
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ifelse(condbranch_opt,`1',`SUPER_CONTINUE;',`/* condbranch_opt=0 */') |
\+ |
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) |
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\ version that generates two jumps (not good for PR 15242 workaround) |
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define(condbranch_twojump, |
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$1 ( `#'a_target $2 ) $3 |
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$4 #ifdef NO_IP |
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INST_TAIL; |
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#endif |
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$5 #ifdef NO_IP |
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JUMP(a_target); |
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#else |
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SET_IP((Xt *)a_target); |
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INST_TAIL; NEXT_P2; |
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#endif |
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} |
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SUPER_CONTINUE; |
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$6 |
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\+glocals |
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$1-lp+!`#' ( `#'a_target `#'nlocals $2 ) $3_lp_plus_store_number |
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$4 #ifdef NO_IP |
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INST_TAIL; |
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#endif |
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$5 lp += nlocals; |
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#ifdef NO_IP |
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JUMP(a_target); |
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#else |
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SET_IP((Xt *)a_target); |
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INST_TAIL; NEXT_P2; |
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#endif |
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} |
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SUPER_CONTINUE; |
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\+ |
\+ |
) |
) |
Line 626 i' ( R:w R:w2 -- R:w R:w2 w ) gforth i
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Line 610 i' ( R:w R:w2 -- R:w R:w2 w ) gforth i
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r> r> r> dup itmp ! >r >r >r itmp @ ; |
r> r> r> dup itmp ! >r >r >r itmp @ ; |
variable itmp |
variable itmp |
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j ( R:n R:d1 -- n R:n R:d1 ) core |
j ( R:w R:w1 R:w2 -- w R:w R:w1 R:w2 ) core |
: |
: |
\ rp@ cell+ cell+ cell+ @ ; |
\ rp@ cell+ cell+ cell+ @ ; |
r> r> r> r> dup itmp ! >r >r >r >r itmp @ ; |
r> r> r> r> dup itmp ! >r >r >r >r itmp @ ; |
[IFUNDEF] itmp variable itmp [THEN] |
[IFUNDEF] itmp variable itmp [THEN] |
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k ( R:n R:d1 R:d2 -- n R:n R:d1 R:d2 ) gforth |
k ( R:w R:w1 R:w2 R:w3 R:w4 -- w R:w R:w1 R:w2 R:w3 R:w4 ) gforth |
: |
: |
\ rp@ [ 5 cells ] Literal + @ ; |
\ rp@ [ 5 cells ] Literal + @ ; |
r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ; |
r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ; |
Line 748 n = n1+n2;
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Line 732 n = n1+n2;
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\ lit+ / lit_plus = lit + |
\ lit+ / lit_plus = lit + |
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lit+ ( n1 #n2 -- n ) new lit_plus |
lit+ ( n1 #n2 -- n ) new lit_plus |
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#ifdef DEBUG |
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fprintf(stderr, "lit+ %08x\n", n2); |
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#endif |
n=n1+n2; |
n=n1+n2; |
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\ PFE-0.9.14 has it differently, but the next release will have it as follows |
\ PFE-0.9.14 has it differently, but the next release will have it as follows |
Line 851 DCell d = (DCell)n1 * (DCell)n2;
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Line 838 DCell d = (DCell)n1 * (DCell)n2;
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#endif |
#endif |
#ifdef ASM_SM_SLASH_REM |
#ifdef ASM_SM_SLASH_REM |
ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, n4, n5); |
ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, n4, n5); |
if (((DHI(d)^n3)<0) && n4!=0) { |
if (FLOORED_DIV && ((DHI(d)^n3)<0) && n4!=0) { |
if (CHECK_DIVISION && n5 == CELL_MIN) |
if (CHECK_DIVISION && n5 == CELL_MIN) |
throw(BALL_RESULTRANGE); |
throw(BALL_RESULTRANGE); |
n5--; |
n5--; |
n4+=n3; |
n4+=n3; |
} |
} |
#else |
#else |
DCell r = fmdiv(d,n3); |
DCell r = FLOORED_DIV ? fmdiv(d,n3) : smdiv(d,n3); |
n4=DHI(r); |
n4=DHI(r); |
n5=DLO(r); |
n5=DLO(r); |
#endif |
#endif |
Line 875 DCell d = (DCell)n1 * (DCell)n2;
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Line 862 DCell d = (DCell)n1 * (DCell)n2;
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#ifdef ASM_SM_SLASH_REM |
#ifdef ASM_SM_SLASH_REM |
Cell remainder; |
Cell remainder; |
ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, remainder, n4); |
ASM_SM_SLASH_REM(DLO(d), DHI(d), n3, remainder, n4); |
if (((DHI(d)^n3)<0) && remainder!=0) { |
if (FLOORED_DIV && ((DHI(d)^n3)<0) && remainder!=0) { |
if (CHECK_DIVISION && n4 == CELL_MIN) |
if (CHECK_DIVISION && n4 == CELL_MIN) |
throw(BALL_RESULTRANGE); |
throw(BALL_RESULTRANGE); |
n4--; |
n4--; |
} |
} |
#else |
#else |
DCell r = fmdiv(d,n3); |
DCell r = FLOORED_DIV ? fmdiv(d,n3) : smdiv(d,n3); |
n4=DLO(r); |
n4=DLO(r); |
#endif |
#endif |
: |
: |
Line 1487 for (; f83name1 != NULL; f83name1 = (str
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Line 1474 for (; f83name1 != NULL; f83name1 = (str
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memcasecmp(c_addr, f83name1->name, u)== 0 /* or inline? */) |
memcasecmp(c_addr, f83name1->name, u)== 0 /* or inline? */) |
break; |
break; |
f83name2=f83name1; |
f83name2=f83name1; |
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#ifdef DEBUG |
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fprintf(stderr, "F83find "); |
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fwrite(c_addr, u, 1, stderr); |
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fprintf(stderr, " found %08x\n", f83name2); |
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#endif |
: |
: |
BEGIN dup WHILE (find-samelen) dup WHILE |
BEGIN dup WHILE (find-samelen) dup WHILE |
>r 2dup r@ cell+ char+ capscomp 0= |
>r 2dup r@ cell+ char+ capscomp 0= |
Line 1642 f = key_query((FILE*)wfileid);
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Line 1634 f = key_query((FILE*)wfileid);
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f = key_query(stdin); |
f = key_query(stdin); |
#endif |
#endif |
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\+os |
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stdin ( -- wfileid ) gforth |
stdin ( -- wfileid ) gforth |
""The standard input file of the Gforth process."" |
""The standard input file of the Gforth process."" |
wfileid = (Cell)stdin; |
wfileid = (Cell)stdin; |
Line 1656 stderr ( -- wfileid ) gforth
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Line 1646 stderr ( -- wfileid ) gforth
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""The standard error output file of the Gforth process."" |
""The standard error output file of the Gforth process."" |
wfileid = (Cell)stderr; |
wfileid = (Cell)stderr; |
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\+os |
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form ( -- urows ucols ) gforth |
form ( -- urows ucols ) gforth |
""The number of lines and columns in the terminal. These numbers may change |
""The number of lines and columns in the terminal. These numbers may |
with the window size."" |
change with the window size. Note that it depends on the OS whether |
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this reflects the actual size and changes with the window size |
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(currently only on Unix-like OSs). On other OSs you just get a |
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default, and can tell Gforth the terminal size by setting the |
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environment variables @code{COLUMNS} and @code{LINES} before starting |
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Gforth."" |
/* we could block SIGWINCH here to get a consistent size, but I don't |
/* we could block SIGWINCH here to get a consistent size, but I don't |
think this is necessary or always beneficial */ |
think this is necessary or always beneficial */ |
urows=rows; |
urows=rows; |
Line 1729 nhour =ltime->tm_hour;
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Line 1726 nhour =ltime->tm_hour;
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nmin =ltime->tm_min; |
nmin =ltime->tm_min; |
nsec =ltime->tm_sec; |
nsec =ltime->tm_sec; |
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ms ( n -- ) facility-ext |
ms ( u -- ) facility-ext |
""Wait at least @i{n} milli-second."" |
""Wait at least @i{n} milli-second."" |
struct timeval timeout; |
gforth_ms(u); |
timeout.tv_sec=n/1000; |
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timeout.tv_usec=1000*(n%1000); |
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(void)select(0,0,0,0,&timeout); |
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allocate ( u -- a_addr wior ) memory |
allocate ( u -- a_addr wior ) memory |
""Allocate @i{u} address units of contiguous data space. The initial |
""Allocate @i{u} address units of contiguous data space. The initial |
Line 1781 u = strlen((char *)c_addr);
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Line 1775 u = strlen((char *)c_addr);
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call-c ( ... w -- ... ) gforth call_c |
call-c ( ... w -- ... ) gforth call_c |
""Call the C function pointed to by @i{w}. The C function has to |
""Call the C function pointed to by @i{w}. The C function has to |
access the stack itself. The stack pointers are exported in the global |
access the stack itself. The stack pointers are exported in the global |
variables @code{SP} and @code{FP}."" |
variables @code{gforth_SP} and @code{gforth_FP}."" |
/* This is a first attempt at support for calls to C. This may change in |
/* This is a first attempt at support for calls to C. This may change in |
the future */ |
the future */ |
gforth_FP=fp; |
gforth_FP=fp; |
Line 1797 close-file ( wfileid -- wior ) file clo
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Line 1791 close-file ( wfileid -- wior ) file clo
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wior = IOR(fclose((FILE *)wfileid)==EOF); |
wior = IOR(fclose((FILE *)wfileid)==EOF); |
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open-file ( c_addr u wfam -- wfileid wior ) file open_file |
open-file ( c_addr u wfam -- wfileid wior ) file open_file |
wfileid = (Cell)fopen(tilde_cstr(c_addr, u, 1), fileattr[wfam]); |
wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, 0, &wior); |
wior = IOR(wfileid == 0); |
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create-file ( c_addr u wfam -- wfileid wior ) file create_file |
create-file ( c_addr u wfam -- wfileid wior ) file create_file |
Cell fd; |
wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, O_CREAT|O_TRUNC, &wior); |
fd = open(tilde_cstr(c_addr, u, 1), O_CREAT|O_TRUNC|ufileattr[wfam], 0666); |
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if (fd != -1) { |
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wfileid = (Cell)fdopen(fd, fileattr[wfam]); |
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wior = IOR(wfileid == 0); |
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} else { |
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wfileid = 0; |
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wior = IOR(1); |
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} |
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delete-file ( c_addr u -- wior ) file delete_file |
delete-file ( c_addr u -- wior ) file delete_file |
wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1); |
wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1); |
Line 2124 floor ( r1 -- r2 ) float
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Line 2109 floor ( r1 -- r2 ) float
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/* !! unclear wording */ |
/* !! unclear wording */ |
r2 = floor(r1); |
r2 = floor(r1); |
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fround ( r1 -- r2 ) gforth f_round |
fround ( r1 -- r2 ) float f_round |
""Round to the nearest integral value."" |
""Round to the nearest integral value."" |
r2 = rint(r1); |
r2 = rint(r1); |
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Line 2409 r = fp[u];
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Line 2394 r = fp[u];
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\g syslib |
\g syslib |
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open-lib ( c_addr1 u1 -- u2 ) gforth open_lib |
open-lib ( c_addr1 u1 -- u2 ) gforth open_lib |
#if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
#if 1 |
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u2 = (UCell)lt_dlopen(cstr(c_addr1, u1, 1)); |
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#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
#ifndef RTLD_GLOBAL |
#ifndef RTLD_GLOBAL |
#define RTLD_GLOBAL 0 |
#define RTLD_GLOBAL 0 |
#endif |
#endif |
Line 2424 u2 = 0;
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Line 2411 u2 = 0;
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#endif |
#endif |
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lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
#if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
#if 1 |
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u3 = (UCell) lt_dlsym((lt_dlhandle)u2, cstr(c_addr1, u1, 1)); |
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#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1)); |
u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1)); |
#else |
#else |
# ifdef _WIN32 |
# ifdef _WIN32 |
Line 2761 define(`uploop',
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Line 2750 define(`uploop',
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define(`_uploop', |
define(`_uploop', |
`ifelse($1, `$3', `$5', |
`ifelse($1, `$3', `$5', |
`$4`'define(`$1', incr($1))_uploop(`$1', `$2', `$3', `$4', `$5')')') |
`$4`'define(`$1', incr($1))_uploop(`$1', `$2', `$3', `$4', `$5')')') |
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\ argflist(argnum): Forth argument list |
\ argflist(argnum): Forth argument list |
define(argflist, |
define(argflist, |
`ifelse($1, 0, `', |
`ifelse($1, 0, `', |
`uploop(`_i', 1, $1, `format(`u%d ', _i)', `format(`u%d ', _i)')')') |
`uploop(`_i', 1, $1, ``u''`_i ', ``u''`_i')')') |
\ argdlist(argnum): declare C's arguments |
\ argdlist(argnum): declare C's arguments |
define(argdlist, |
define(argdlist, |
`ifelse($1, 0, `', |
`ifelse($1, 0, `', |
Line 2772 define(argdlist,
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Line 2762 define(argdlist,
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\ argclist(argnum): pass C's arguments |
\ argclist(argnum): pass C's arguments |
define(argclist, |
define(argclist, |
`ifelse($1, 0, `', |
`ifelse($1, 0, `', |
`uploop(`_i', 1, $1, `format(`u%d, ', _i)', `format(`u%d', _i)')')') |
`uploop(`_i', 1, $1, ``u''`_i, ', ``u''`_i')')') |
\ icall(argnum) |
\ icall(argnum) |
define(icall, |
define(icall, |
`icall$1 ( argflist($1)u -- uret ) gforth |
`icall$1 ( argflist($1) u -- uret ) gforth |
uret = (SYSCALL(Cell(*)(argdlist($1)))u)(argclist($1)); |
uret = (SYSCALL(Cell(*)(argdlist($1)))u)(argclist($1)); |
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') |
') |
define(fcall, |
define(fcall, |
`fcall$1 ( argflist($1)u -- rret ) gforth |
`fcall$1 ( argflist($1) u -- rret ) gforth |
rret = (SYSCALL(Float(*)(argdlist($1)))u)(argclist($1)); |
rret = (SYSCALL(Float(*)(argdlist($1)))u)(argclist($1)); |
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') |
') |
Line 2795 fcall(20)
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Line 2785 fcall(20)
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\+ |
\+ |
\+ |
\+ |
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lib-error ( -- c_addr u ) gforth lib_error |
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c_addr = lt_dlerror(); |
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u = (c_addr == NULL) ? 0 : strlen(c_addr); |
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\g peephole |
\g peephole |
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\+peephole |
\+peephole |