version 1.1, 2003/08/15 21:45:46
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version 1.2, 2003/08/16 19:46:11
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\ lib.fs shared library support package 11may97py |
\ lib.fs shared library support package 16aug03py |
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\ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003 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 22 Variable libs 0 libs !
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Line 22 Variable libs 0 libs !
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Variable thisproc |
Variable thisproc |
Variable thislib |
Variable thislib |
\G links between libraries |
\G links between libraries |
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Variable revdec revdec off |
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\ turn revdec on to compile bigFORTH libraries |
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Vocabulary c-decl |
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Vocabulary cb-decl |
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: @lib ( lib -- ) |
: @lib ( lib -- ) |
\G obtains library handle |
\G obtains library handle |
Line 46 Variable thislib
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Line 51 Variable thislib
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: proc: ( lib "name" -- ) |
: proc: ( lib "name" -- ) |
\G Creates a named proc stub |
\G Creates a named proc stub |
Create proc, 0 |
Create proc, 0 also c-decl |
DOES> ( x1 .. xn -- r ) |
DOES> ( x1 .. xn -- r ) |
dup cell+ @ swap 3 cells + >r ; |
dup cell+ @ swap 3 cells + >r ; |
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Line 72 DOES> ( -- ) dup thislib ! proc: ;
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Line 77 DOES> ( -- ) dup thislib ! proc: ;
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' init-shared-libs IS 'cold |
' init-shared-libs IS 'cold |
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' av-int AConstant int |
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' av-float AConstant sf |
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' av-double AConstant df |
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' av-longlong AConstant llong |
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' av-ptr AConstant ptr |
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Variable revdec revdec off |
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\ turn revdec on to compile bigFORTH libraries |
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: rettype ( endxt startxt "name" -- ) |
: rettype ( endxt startxt "name" -- ) |
create immediate 2, |
create immediate 2, |
DOES> |
DOES> |
2@ compile, >r |
2@ compile, >r |
revdec @ IF |
revdec @ IF 0 >r |
0 >r BEGIN dup WHILE >r REPEAT drop |
BEGIN dup WHILE >r REPEAT drop |
BEGIN r> dup WHILE compile, REPEAT drop |
BEGIN r> dup WHILE compile, REPEAT drop |
ELSE |
ELSE |
BEGIN dup WHILE compile, REPEAT drop |
BEGIN dup WHILE compile, REPEAT drop |
THEN |
THEN |
r> compile, postpone EXIT |
r> compile, postpone EXIT |
here thisproc @ 2 cells + ! bl sword s, |
here thisproc @ 2 cells + ! bl sword s, |
thislib @ thisproc @ @proc ; |
thislib @ thisproc @ @proc previous ; |
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also c-decl definitions |
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' av-int AConstant int |
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' av-float AConstant sf |
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' av-double AConstant df |
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' av-longlong AConstant llong |
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' av-ptr AConstant ptr |
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' av-call-void ' av-start-void rettype (void) |
' av-call-void ' av-start-void rettype (void) |
' av-call-int ' av-start-int rettype (int) |
' av-call-int ' av-start-int rettype (int) |
Line 102 Variable revdec revdec off
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Line 106 Variable revdec revdec off
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' av-call-longlong ' av-start-longlong rettype (llong) |
' av-call-longlong ' av-start-longlong rettype (llong) |
' av-call-ptr ' av-start-ptr rettype (ptr) |
' av-call-ptr ' av-start-ptr rettype (ptr) |
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\ compatibility layer for old library -- use is deprecated |
previous definitions |
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Variable legacy |
\ legacy interface for old library interface |
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\ turn legacy on for old library |
also c-decl |
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warnings @ warnings off |
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: (int...) ( n -- ) |
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>r ' execute r> 0 ?DO int LOOP |
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0 postpone Literal postpone ?DO postpone int postpone LOOP |
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postpone (int) ; |
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: (void...) ( n -- ) |
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>r ' execute r> 0 ?DO int LOOP |
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0 postpone Literal postpone ?DO postpone int postpone LOOP |
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postpone (void) ; |
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: (float...) ( n -- ) |
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>r ' execute r> 0 ?DO df LOOP |
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0 postpone Literal postpone ?DO postpone df postpone LOOP |
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postpone (fp) ; |
: (int) ( n -- ) |
: (int) ( n -- ) |
legacy @ IF |
>r ' execute r> 0 ?DO int LOOP postpone (int) ; |
>r ' execute r> 0 ?DO int LOOP |
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THEN (int) ; |
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: (void) ( n -- ) |
: (void) ( n -- ) |
legacy @ IF |
>r ' execute r> 0 ?DO int LOOP postpone (void) ; |
>r ' execute r> 0 ?DO int LOOP |
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THEN (void) ; |
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: (float) ( n -- ) |
: (float) ( n -- ) |
legacy @ IF |
>r ' execute r> 0 ?DO df LOOP postpone (fp) ; |
>r ' execute r> 0 ?DO df LOOP |
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THEN (df) ; |
previous |
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\ callback stuff |
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Variable callbacks |
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\G link between callbacks |
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: callback ( -- ) |
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Create 0 ] postpone >r also cb-decl |
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DOES> |
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Create here >r 0 , callbacks @ A, r@ callbacks ! |
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swap postpone Literal compile, postpone EXIT |
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r> dup cell+ cell+ alloc-callback swap ! |
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DOES> @ ; |
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: callback; ( 0 xt1 .. xtn -- ) |
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BEGIN over WHILE compile, REPEAT |
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postpone r> postpone execute compile, drop |
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postpone EXIT postpone [ previous ; immediate |
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: va-ret ( xt xt -- ) |
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Create A, A, immediate |
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DOES> 2@ compile, ; |
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: init-callbacks ( -- ) |
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defers 'cold callbacks 1 cells - |
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BEGIN cell+ @ dup WHILE dup cell+ cell+ alloc-callback over ! |
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REPEAT drop ; |
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' init-callbacks IS 'cold |
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also cb-decl definitions |
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\ arguments |
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warnings on |
' va-arg-int Alias int |
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' va-arg-float Alias sf |
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' va-arg-double Alias df |
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' va-arg-longlong Alias llong |
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' va-arg-ptr Alias ptr |
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' va-return-void ' va-start-void va-ret (void) |
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' va-return-int ' va-start-int va-ret (int) |
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' va-return-float ' va-start-float va-ret (sf) |
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' va-return-double ' va-start-double va-ret (fp) |
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' va-return-longlong ' va-start-longlong va-ret (llong) |
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' va-return-ptr ' va-start-ptr va-ret (ptr) |
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previous definitions |
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\ testing stuff |
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[ifdef] testing |
[ifdef] testing |
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Line 140 library libm /lib/libm.so.6
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Line 198 library libm /lib/libm.so.6
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libm fmodf sf sf (sf) fmodf |
libm fmodf sf sf (sf) fmodf |
libm fmod df df (fp) fmod |
libm fmod df df (fp) fmod |
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callback wincall (int) int int int int callback; |
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:noname ( a b c d -- e ) 2drop 2drop 0 ; wincall do_timer |
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[then] |
[then] |