version 1.146, 2003/10/09 20:25:59
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version 1.161, 2005/01/24 22:18:34
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Line 1
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Line 1
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\ Gforth primitives |
\ Gforth primitives |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 138
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Line 138
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\ Stack caching setup |
\ Stack caching setup |
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\E register IPTOS Cell |
ifdef(`M4_ENGINE_FAST', `include(cache1.vmg)', `include(cache0.vmg)') |
\E register spa Cell |
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\E register spb Cell |
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\E register spc Cell |
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\E register spd Cell |
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\E create IPregs IPTOS , |
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\E create regs spc , spb , spa , |
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\E IPregs 1 0 stack-state IPss1 |
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\E regs 3 cells + 0 0 stack-state ss0 |
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\E regs 2 cells + 1 0 stack-state ss1 |
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\E regs 1 cells + 2 1 stack-state ss2 |
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\E regs 0 cells + 3 2 stack-state ss3 |
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\ the first of these is the default state |
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\E state S0 |
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\E state S1 |
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\E state S2 |
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\E state S3 |
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\E ss0 data-stack S0 set-ss |
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\E ss1 data-stack S1 set-ss |
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\E ss2 data-stack S2 set-ss |
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\E ss3 data-stack S3 set-ss |
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\E IPss1 inst-stream S0 set-ss |
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\E IPss1 inst-stream S1 set-ss |
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\E IPss1 inst-stream S2 set-ss |
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\E IPss1 inst-stream S3 set-ss |
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\E data-stack to cache-stack |
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\E here 4 cache-states 2! s0 , s1 , s2 , s3 , |
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\ !! the following should be automatic |
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\E S0 to state-default |
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\E state-default to state-in |
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\E state-default to state-out |
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\ these m4 macros would collide with identifiers |
\ these m4 macros would collide with identifiers |
undefine(`index') |
undefine(`index') |
Line 189 undefine(`symbols')
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Line 152 undefine(`symbols')
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(docol) ( -- R:a_retaddr ) gforth-internal paren_docol |
(docol) ( -- R:a_retaddr ) gforth-internal paren_docol |
""run-time routine for colon definitions"" |
""run-time routine for colon definitions"" |
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#ifdef NO_IP |
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a_retaddr = next_code; |
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INST_TAIL; |
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goto **(Label *)PFA(CFA); |
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#else /* !defined(NO_IP) */ |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
SET_IP((Xt *)PFA(CFA)); |
SET_IP((Xt *)PFA(CFA)); |
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#endif /* !defined(NO_IP) */ |
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(docon) ( -- w ) gforth-internal paren_docon |
(docon) ( -- w ) gforth-internal paren_docon |
""run-time routine for constants"" |
""run-time routine for constants"" |
w = *(Cell *)PFA(CFA); |
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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(dovar) ( -- a_body ) gforth-internal paren_dovar |
(dovar) ( -- a_body ) gforth-internal paren_dovar |
""run-time routine for variables and CREATEd words"" |
""run-time routine for variables and CREATEd words"" |
a_body = PFA(CFA); |
a_body = 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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(douser) ( -- a_user ) gforth-internal paren_douser |
(douser) ( -- a_user ) gforth-internal paren_douser |
""run-time routine for constants"" |
""run-time routine for constants"" |
a_user = (Cell *)(up+*(Cell *)PFA(CFA)); |
a_user = (Cell *)(up+*(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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(dodefer) ( -- ) gforth-internal paren_dodefer |
(dodefer) ( -- ) gforth-internal paren_dodefer |
""run-time routine for deferred words"" |
""run-time routine for deferred words"" |
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#ifndef NO_IP |
ip=IP; /* undo any ip updating that may have been performed by NEXT_P0 */ |
ip=IP; /* undo any ip updating that may have been performed by NEXT_P0 */ |
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#endif /* !defined(NO_IP) */ |
SUPER_END; /* !! probably unnecessary and may lead to measurement errors */ |
SUPER_END; /* !! probably unnecessary and may lead to measurement errors */ |
EXEC(*(Xt *)PFA(CFA)); |
VM_JUMP(EXEC1(*(Xt *)PFA(CFA))); |
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(dofield) ( n1 -- n2 ) gforth-internal paren_field |
(dofield) ( n1 -- n2 ) gforth-internal paren_field |
""run-time routine for fields"" |
""run-time routine for fields"" |
n2 = n1 + *(Cell *)PFA(CFA); |
n2 = n1 + *(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"" |
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#ifdef NO_IP |
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a_retaddr = next_code; |
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a_body = PFA(CFA); |
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INST_TAIL; |
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goto **(Label *)DOES_CODE1(CFA); |
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#else /* !defined(NO_IP) */ |
a_retaddr = (Cell *)IP; |
a_retaddr = (Cell *)IP; |
a_body = PFA(CFA); |
a_body = PFA(CFA); |
SET_IP(DOES_CODE1(CFA)); |
SET_IP(DOES_CODE1(CFA)); |
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#endif /* !defined(NO_IP) */ |
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(does-handler) ( -- ) gforth-internal paren_does_handler |
(does-handler) ( -- ) gforth-internal paren_does_handler |
""just a slot to have an encoding for the DOESJUMP, |
""just a slot to have an encoding for the DOESJUMP, |
Line 235 noop ( -- ) gforth
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Line 229 noop ( -- ) gforth
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call ( #a_callee -- R:a_retaddr ) new |
call ( #a_callee -- R:a_retaddr ) new |
""Call callee (a variant of docol with inline argument)."" |
""Call callee (a variant of docol with inline argument)."" |
#ifdef NO_IP |
#ifdef NO_IP |
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assert(0); |
INST_TAIL; |
INST_TAIL; |
JUMP(a_callee); |
JUMP(a_callee); |
#else |
#else |
Line 254 execute ( xt -- ) core
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Line 249 execute ( xt -- ) core
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#ifndef NO_IP |
#ifndef NO_IP |
ip=IP; |
ip=IP; |
#endif |
#endif |
IF_spTOS(spTOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); /* inst_tail would produce a NEXT_P1 */ |
SUPER_END; |
SUPER_END; |
EXEC(xt); |
VM_JUMP(EXEC1(xt)); |
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perform ( a_addr -- ) gforth |
perform ( a_addr -- ) gforth |
""@code{@@ execute}."" |
""@code{@@ execute}."" |
Line 264 perform ( a_addr -- ) gforth
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Line 259 perform ( a_addr -- ) gforth
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#ifndef NO_IP |
#ifndef NO_IP |
ip=IP; |
ip=IP; |
#endif |
#endif |
IF_spTOS(spTOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); /* inst_tail would produce a NEXT_P1 */ |
SUPER_END; |
SUPER_END; |
EXEC(*(Xt *)a_addr); |
VM_JUMP(EXEC1(*(Xt *)a_addr)); |
: |
: |
@ execute ; |
@ execute ; |
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Line 289 lit-perform ( #a_addr -- ) new lit_perfo
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Line 284 lit-perform ( #a_addr -- ) new lit_perfo
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ip=IP; |
ip=IP; |
#endif |
#endif |
SUPER_END; |
SUPER_END; |
EXEC(*(Xt *)a_addr); |
VM_JUMP(EXEC1(*(Xt *)a_addr)); |
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does-exec ( #a_cfa -- R:nest a_pfa ) new does_exec |
does-exec ( #a_cfa -- R:nest a_pfa ) new does_exec |
#ifdef NO_IP |
#ifdef NO_IP |
Line 335 SET_IP((Xt *)a_target);
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Line 330 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 |
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\ 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 |
define(condbranch, |
define(condbranch, |
$1 ( `#'a_target $2 ) $3 |
$1 ( `#'a_target $2 ) $3 |
$4 #ifdef NO_IP |
$4 #ifdef NO_IP |
Line 344 $5 #ifdef NO_IP
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Line 341 $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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#endif |
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} |
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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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#endif |
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} |
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\+ |
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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); |
INST_TAIL; NEXT_P2; |
INST_TAIL; NEXT_P2; |
#endif |
#endif |
} |
} |
Line 438 condbranch((+loop),n R:nlimit R:n1 -- R:
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Line 466 condbranch((+loop),n R:nlimit R:n1 -- R:
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/* dependent upon two's complement arithmetic */ |
/* dependent upon two's complement arithmetic */ |
Cell olddiff = n1-nlimit; |
Cell olddiff = n1-nlimit; |
n2=n1+n; |
n2=n1+n; |
,if ((olddiff^(olddiff+n))>=0 /* the limit is not crossed */ |
,if (((olddiff^(olddiff+n)) /* the limit is not crossed */ |
|| (olddiff^n)>=0 /* it is a wrap-around effect */) { |
&(olddiff^n)) /* OR it is a wrap-around effect */ |
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>=0) { /* & is used to avoid having two branches for gforth-native */ |
,: |
,: |
r> swap |
r> swap |
r> r> 2dup - >r |
r> r> 2dup - >r |
Line 468 if (n<0) {
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Line 497 if (n<0) {
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newdiff = -newdiff; |
newdiff = -newdiff; |
} |
} |
n2=n1+n; |
n2=n1+n; |
,if (diff>=0 || newdiff<0) { |
,if (((~diff)|newdiff)<0) { /* use | to avoid two branches for gforth-native */ |
,) |
,) |
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\+ |
\+ |
Line 821 n2 = n1>>1;
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Line 850 n2 = n1>>1;
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fm/mod ( d1 n1 -- n2 n3 ) core f_m_slash_mod |
fm/mod ( d1 n1 -- n2 n3 ) core f_m_slash_mod |
""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}."" |
""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}."" |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_DIV |
DCell r = fmdiv(d1,n1); |
DCell r = fmdiv(d1,n1); |
n2=r.hi; |
n2=r.hi; |
n3=r.lo; |
n3=r.lo; |
Line 843 if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
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Line 872 if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
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sm/rem ( d1 n1 -- n2 n3 ) core s_m_slash_rem |
sm/rem ( d1 n1 -- n2 n3 ) core s_m_slash_rem |
""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0."" |
""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0."" |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_DIV |
DCell r = smdiv(d1,n1); |
DCell r = smdiv(d1,n1); |
n2=r.hi; |
n2=r.hi; |
n3=r.lo; |
n3=r.lo; |
Line 864 if (1%-3<0 && (d1<0) != (n1<0) && n2!=0)
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Line 893 if (1%-3<0 && (d1<0) != (n1<0) && n2!=0)
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r> 0< IF swap negate swap THEN ; |
r> 0< IF swap negate swap THEN ; |
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m* ( n1 n2 -- d ) core m_star |
m* ( n1 n2 -- d ) core m_star |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_MUL |
d = mmul(n1,n2); |
d = mmul(n1,n2); |
#else |
#else |
d = (DCell)n1 * (DCell)n2; |
d = (DCell)n1 * (DCell)n2; |
Line 876 d = (DCell)n1 * (DCell)n2;
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Line 905 d = (DCell)n1 * (DCell)n2;
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um* ( u1 u2 -- ud ) core u_m_star |
um* ( u1 u2 -- ud ) core u_m_star |
/* use u* as alias */ |
/* use u* as alias */ |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_MUL |
ud = ummul(u1,u2); |
ud = ummul(u1,u2); |
#else |
#else |
ud = (UDCell)u1 * (UDCell)u2; |
ud = (UDCell)u1 * (UDCell)u2; |
Line 892 ud = (UDCell)u1 * (UDCell)u2;
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Line 921 ud = (UDCell)u1 * (UDCell)u2;
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um/mod ( ud u1 -- u2 u3 ) core u_m_slash_mod |
um/mod ( ud u1 -- u2 u3 ) core u_m_slash_mod |
""ud=u3*u1+u2, u1>u2>=0"" |
""ud=u3*u1+u2, u1>u2>=0"" |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_DIV |
UDCell r = umdiv(ud,u1); |
UDCell r = umdiv(ud,u1); |
u2=r.hi; |
u2=r.hi; |
u3=r.lo; |
u3=r.lo; |
Line 911 u2 = ud%u1;
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Line 940 u2 = ud%u1;
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and >r >r 2dup d+ swap r> + swap r> ; |
and >r >r 2dup d+ swap r> + swap r> ; |
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m+ ( d1 n -- d2 ) double m_plus |
m+ ( d1 n -- d2 ) double m_plus |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_ADD |
d2.lo = d1.lo+n; |
DLO_IS(d2, DLO(d1)+n); |
d2.hi = d1.hi - (n<0) + (d2.lo<d1.lo); |
DHI_IS(d2, DHI(d1) - (n<0) + (DLO(d2)<DLO(d1))); |
#else |
#else |
d2 = d1+n; |
d2 = d1+n; |
#endif |
#endif |
Line 921 d2 = d1+n;
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Line 950 d2 = d1+n;
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s>d d+ ; |
s>d d+ ; |
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d+ ( d1 d2 -- d ) double d_plus |
d+ ( d1 d2 -- d ) double d_plus |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_ADD |
d.lo = d1.lo+d2.lo; |
DLO_IS(d, DLO(d1) + DLO(d2)); |
d.hi = d1.hi + d2.hi + (d.lo<d1.lo); |
DHI_IS(d, DHI(d1) + DHI(d2) + (d.lo<DLO(d1))); |
#else |
#else |
d = d1+d2; |
d = d1+d2; |
#endif |
#endif |
Line 931 d = d1+d2;
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Line 960 d = d1+d2;
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rot + >r tuck + swap over u> r> swap - ; |
rot + >r tuck + swap over u> r> swap - ; |
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d- ( d1 d2 -- d ) double d_minus |
d- ( d1 d2 -- d ) double d_minus |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_ADD |
d.lo = d1.lo - d2.lo; |
DLO_IS(d, DLO(d1) - DLO(d2)); |
d.hi = d1.hi-d2.hi-(d1.lo<d2.lo); |
DHI_IS(d, DHI(d1)-DHI(d2)-(DLO(d1)<DLO(d2))); |
#else |
#else |
d = d1-d2; |
d = d1-d2; |
#endif |
#endif |
Line 942 d = d1-d2;
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Line 971 d = d1-d2;
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dnegate ( d1 -- d2 ) double d_negate |
dnegate ( d1 -- d2 ) double d_negate |
/* use dminus as alias */ |
/* use dminus as alias */ |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_ADD |
d2 = dnegate(d1); |
d2 = dnegate(d1); |
#else |
#else |
d2 = -d1; |
d2 = -d1; |
Line 952 d2 = -d1;
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Line 981 d2 = -d1;
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d2* ( d1 -- d2 ) double d_two_star |
d2* ( d1 -- d2 ) double d_two_star |
""Shift left by 1; also works on unsigned numbers"" |
""Shift left by 1; also works on unsigned numbers"" |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_SHIFT |
d2.lo = d1.lo<<1; |
DLO_IS(d2, DLO(d1)<<1); |
d2.hi = (d1.hi<<1) | (d1.lo>>(CELL_BITS-1)); |
DHI_IS(d2, (DHI(d1)<<1) | (DLO(d1)>>(CELL_BITS-1))); |
#else |
#else |
d2 = 2*d1; |
d2 = 2*d1; |
#endif |
#endif |
Line 964 d2 = 2*d1;
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Line 993 d2 = 2*d1;
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d2/ ( d1 -- d2 ) double d_two_slash |
d2/ ( d1 -- d2 ) double d_two_slash |
""Arithmetic shift right by 1. For signed numbers this is a floored |
""Arithmetic shift right by 1. For signed numbers this is a floored |
division by 2."" |
division by 2."" |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_SHIFT |
d2.hi = d1.hi>>1; |
DHI_IS(d2, DHI(d1)>>1); |
d2.lo= (d1.lo>>1) | (d1.hi<<(CELL_BITS-1)); |
DLO_IS(d2, (DLO(d1)>>1) | (DHI(d1)<<(CELL_BITS-1))); |
#else |
#else |
d2 = d1>>1; |
d2 = d1>>1; |
#endif |
#endif |
Line 992 w2 = ~w1;
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Line 1021 w2 = ~w1;
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rshift ( u1 n -- u2 ) core r_shift |
rshift ( u1 n -- u2 ) core r_shift |
""Logical shift right by @i{n} bits."" |
""Logical shift right by @i{n} bits."" |
u2 = u1>>n; |
#ifdef BROKEN_SHIFT |
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u2 = rshift(u1, n); |
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#else |
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u2 = u1 >> n; |
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#endif |
: |
: |
0 ?DO 2/ MAXI and LOOP ; |
0 ?DO 2/ MAXI and LOOP ; |
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lshift ( u1 n -- u2 ) core l_shift |
lshift ( u1 n -- u2 ) core l_shift |
u2 = u1<<n; |
#ifdef BROKEN_SHIFT |
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u2 = lshift(u1, n); |
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#else |
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u2 = u1 << n; |
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#endif |
: |
: |
0 ?DO 2* LOOP ; |
0 ?DO 2* LOOP ; |
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Line 1061 comparisons(u, u1 u2, u_, u1, u2, gforth
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Line 1098 comparisons(u, u1 u2, u_, u1, u2, gforth
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\ dcomparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
\ dcomparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
define(dcomparisons, |
define(dcomparisons, |
$1= ( $2 -- f ) $6 $3equals |
$1= ( $2 -- f ) $6 $3equals |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.lo==$5.lo && $4.hi==$5.hi); |
f = FLAG($4.lo==$5.lo && $4.hi==$5.hi); |
#else |
#else |
f = FLAG($4==$5); |
f = FLAG($4==$5); |
#endif |
#endif |
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$1<> ( $2 -- f ) $7 $3not_equals |
$1<> ( $2 -- f ) $7 $3not_equals |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi); |
f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi); |
#else |
#else |
f = FLAG($4!=$5); |
f = FLAG($4!=$5); |
#endif |
#endif |
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$1< ( $2 -- f ) $8 $3less_than |
$1< ( $2 -- f ) $8 $3less_than |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi); |
f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi); |
#else |
#else |
f = FLAG($4<$5); |
f = FLAG($4<$5); |
#endif |
#endif |
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$1> ( $2 -- f ) $9 $3greater_than |
$1> ( $2 -- f ) $9 $3greater_than |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi); |
f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi); |
#else |
#else |
f = FLAG($4>$5); |
f = FLAG($4>$5); |
#endif |
#endif |
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$1<= ( $2 -- f ) gforth $3less_or_equal |
$1<= ( $2 -- f ) gforth $3less_or_equal |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.hi==$5.hi ? $4.lo<=$5.lo : $4.hi<=$5.hi); |
f = FLAG($4.hi==$5.hi ? $4.lo<=$5.lo : $4.hi<=$5.hi); |
#else |
#else |
f = FLAG($4<=$5); |
f = FLAG($4<=$5); |
#endif |
#endif |
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|
$1>= ( $2 -- f ) gforth $3greater_or_equal |
$1>= ( $2 -- f ) gforth $3greater_or_equal |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_CMP |
f = FLAG($4.hi==$5.hi ? $4.lo>=$5.lo : $4.hi>=$5.hi); |
f = FLAG($4.hi==$5.hi ? $4.lo>=$5.lo : $4.hi>=$5.hi); |
#else |
#else |
f = FLAG($4>=$5); |
f = FLAG($4>=$5); |
Line 1594 SUPER_END;
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Line 1631 SUPER_END;
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return (Label *)n; |
return (Label *)n; |
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(system) ( c_addr u -- wretval wior ) gforth paren_system |
(system) ( c_addr u -- wretval wior ) gforth paren_system |
#ifndef MSDOS |
wretval = gforth_system(c_addr, u); |
int old_tp=terminal_prepped; |
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deprep_terminal(); |
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#endif |
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wretval=system(cstr(c_addr,u,1)); /* ~ expansion on first part of string? */ |
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wior = IOR(wretval==-1 || (wretval==127 && errno != 0)); |
wior = IOR(wretval==-1 || (wretval==127 && errno != 0)); |
#ifndef MSDOS |
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if (old_tp) |
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prep_terminal(); |
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#endif |
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getenv ( c_addr1 u1 -- c_addr2 u2 ) gforth |
getenv ( c_addr1 u1 -- c_addr2 u2 ) gforth |
""The string @i{c-addr1 u1} specifies an environment variable. The string @i{c-addr2 u2} |
""The string @i{c-addr1 u1} specifies an environment variable. The string @i{c-addr2 u2} |
Line 1849 char * string = cstr(c_addr1, u1, 1);
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Line 1878 char * string = cstr(c_addr1, u1, 1);
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char * pattern = cstr(c_addr2, u2, 0); |
char * pattern = cstr(c_addr2, u2, 0); |
flag = FLAG(!fnmatch(pattern, string, 0)); |
flag = FLAG(!fnmatch(pattern, string, 0)); |
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set-dir ( c_addr u -- wior ) gforth set_dir |
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""Change the current directory to @i{c-addr, u}. |
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Return an error if this is not possible"" |
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wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
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|
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get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
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""Store the current directory in the buffer specified by @{c-addr1, u1}. |
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If the buffer size is not sufficient, return 0 0"" |
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c_addr2 = getcwd(c_addr1, u1); |
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if(c_addr2 != NULL) { |
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u2 = strlen(c_addr2); |
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} else { |
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u2 = 0; |
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} |
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\+ |
\+ |
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newline ( -- c_addr u ) gforth |
newline ( -- c_addr u ) gforth |
Line 1891 dsystem = timeval2us(&usage.ru_stime);
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Line 1935 dsystem = timeval2us(&usage.ru_stime);
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struct timeval time1; |
struct timeval time1; |
gettimeofday(&time1,NULL); |
gettimeofday(&time1,NULL); |
duser = timeval2us(&time1); |
duser = timeval2us(&time1); |
#ifndef BUGGY_LONG_LONG |
dsystem = DZERO; |
dsystem = (DCell)0; |
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#else |
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dsystem=(DCell){0,0}; |
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#endif |
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#endif |
#endif |
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\+ |
\+ |
Line 1908 comparisons(f, r1 r2, f_, r1, r2, gforth
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Line 1948 comparisons(f, r1 r2, f_, r1, r2, gforth
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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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|
d>f ( d -- r ) float d_to_f |
d>f ( d -- r ) float d_to_f |
#ifdef BUGGY_LONG_LONG |
#ifdef BUGGY_LL_D2F |
extern double ldexp(double x, int exp); |
extern double ldexp(double x, int exp); |
if (d.hi<0) { |
if (DHI(d)<0) { |
|
#ifdef BUGGY_LL_ADD |
DCell d2=dnegate(d); |
DCell d2=dnegate(d); |
r = -(ldexp((Float)d2.hi,CELL_BITS) + (Float)d2.lo); |
#else |
|
DCell d2=-d; |
|
#endif |
|
r = -(ldexp((Float)DHI(d2),CELL_BITS) + (Float)DLO(d2)); |
} else |
} else |
r = ldexp((Float)d.hi,CELL_BITS) + (Float)d.lo; |
r = ldexp((Float)DHI(d),CELL_BITS) + (Float)DLO(d); |
#else |
#else |
r = d; |
r = d; |
#endif |
#endif |
Line 2358 av-double ( r -- ) gforth av_double
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Line 2402 av-double ( r -- ) gforth av_double
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av_double(alist, r); |
av_double(alist, r); |
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av-longlong ( d -- ) gforth av_longlong |
av-longlong ( d -- ) gforth av_longlong |
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#ifdef BUGGY_LL_SIZE |
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av_longlong(alist, DLO(d)); |
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#else |
av_longlong(alist, d); |
av_longlong(alist, d); |
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#endif |
|
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av-ptr ( c_addr -- ) gforth av_ptr |
av-ptr ( c_addr -- ) gforth av_ptr |
av_ptr(alist, void*, c_addr); |
av_ptr(alist, void*, c_addr); |
Line 2377 lp += sizeof(Float);
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Line 2425 lp += sizeof(Float);
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av_double(alist, r); |
av_double(alist, r); |
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av-longlong-r ( R:d -- ) gforth av_longlong_r |
av-longlong-r ( R:d -- ) gforth av_longlong_r |
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#ifdef BUGGY_LL_SIZE |
|
av_longlong(alist, DLO(d)); |
|
#else |
av_longlong(alist, d); |
av_longlong(alist, d); |
|
#endif |
|
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av-ptr-r ( R:c_addr -- ) gforth av_ptr_r |
av-ptr-r ( R:c_addr -- ) gforth av_ptr_r |
av_ptr(alist, void*, c_addr); |
av_ptr(alist, void*, c_addr); |
Line 2409 av-call-longlong ( -- d ) gforth av_cal
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Line 2461 av-call-longlong ( -- d ) gforth av_cal
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SAVE_REGS |
SAVE_REGS |
av_call(alist); |
av_call(alist); |
REST_REGS |
REST_REGS |
|
#ifdef BUGGY_LONG_LONG |
|
DLO_IS(d, llrv); |
|
DHI_IS(d, 0); |
|
#else |
d = llrv; |
d = llrv; |
|
#endif |
|
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av-call-ptr ( -- c_addr ) gforth av_call_ptr |
av-call-ptr ( -- c_addr ) gforth av_call_ptr |
SAVE_REGS |
SAVE_REGS |
Line 2442 va-arg-int ( -- w ) gforth va_arg_int
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Line 2499 va-arg-int ( -- w ) gforth va_arg_int
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w = va_arg_int(clist); |
w = va_arg_int(clist); |
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va-arg-longlong ( -- d ) gforth va_arg_longlong |
va-arg-longlong ( -- d ) gforth va_arg_longlong |
|
#ifdef BUGGY_LONG_LONG |
|
DLO_IS(d, va_arg_longlong(clist)); |
|
DHI_IS(d, 0); |
|
#else |
d = va_arg_longlong(clist); |
d = va_arg_longlong(clist); |
|
#endif |
|
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va-arg-ptr ( -- c_addr ) gforth va_arg_ptr |
va-arg-ptr ( -- c_addr ) gforth va_arg_ptr |
c_addr = (char *)va_arg_ptr(clist,char*); |
c_addr = (char *)va_arg_ptr(clist,char*); |
Line 2466 va_return_ptr(clist, void *, c_addr);
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Line 2528 va_return_ptr(clist, void *, c_addr);
|
return 0; |
return 0; |
|
|
va-return-longlong ( d -- ) gforth va_return_longlong |
va-return-longlong ( d -- ) gforth va_return_longlong |
|
#ifdef BUGGY_LONG_LONG |
|
va_return_longlong(clist, d.lo); |
|
#else |
va_return_longlong(clist, d); |
va_return_longlong(clist, d); |
|
#endif |
return 0; |
return 0; |
|
|
va-return-float ( r -- ) gforth va_return_float |
va-return-float ( r -- ) gforth va_return_float |
Line 2531 compile_prim1(a_prim);
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Line 2597 compile_prim1(a_prim);
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finish-code ( -- ) gforth finish_code |
finish-code ( -- ) gforth finish_code |
""Perform delayed steps in code generation (branch resolution, I-cache |
""Perform delayed steps in code generation (branch resolution, I-cache |
flushing)."" |
flushing)."" |
|
IF_spTOS(sp[0]=spTOS); /* workaround for failing to save spTOS |
|
(gcc-2.95.1, gforth-fast --enable-force-reg) */ |
finish_code(); |
finish_code(); |
|
IF_spTOS(spTOS=sp[0]); |
|
|
forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode |
forget-dyncode ( c_code -- f ) gforth-internal forget_dyncode |
f = forget_dyncode(c_code); |
f = forget_dyncode(c_code); |
Line 2566 a_addr = groups;
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Line 2635 a_addr = groups;
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|
\g static_super |
\g static_super |
|
|
\C #if !defined(GFORTH_DEBUGGING) && !defined(INDIRECT_THREADED) && !defined(DOUBLY_INDIRECT) && !defined(VM_PROFILING) |
ifdef(`M4_ENGINE_FAST', |
|
`include(peeprules.vmg)') |
include(peeprules.vmg) |
|
|
|
\C #endif |
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|
|
\g end |
\g end |