version 1.3, 2007/06/01 16:27:37
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version 1.6, 2007/12/31 16:43:57
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\ test libcc.fs C interface |
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\ Copyright (C) 2007 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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require libcc.fs |
require libcc.fs |
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\c #include <string.h> |
\c #include <string.h> |
Line 25 s\" r=%f n=%d\n\0" drop -0.5e -5 printf-
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Line 45 s\" r=%f n=%d\n\0" drop -0.5e -5 printf-
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c-function printfull printfull a n -- n |
c-function printfull printfull a n -- n |
s\" ull=%llu\n\0" drop -1 printfull . cr |
s\" ull=%llu\n\0" drop -1 printfull . cr |
s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr |
s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr |
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\c #define printfll(s,ll) printf(s,(long long)ll) |
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c-function printfll printfll a n -- n |
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s\" ll=%lld\n\0" drop -1 printfll . cr |
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s\" ll=%lld r=%f\n\0" drop -1 -0.5e printf-nr . cr |
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\ test calling a C function pointer from Forth |
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\ first create a C function pointer: |
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\c typedef long (* func1)(long); |
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\c #define labsptr(dummy) ((func1)labs) |
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c-function labsptr labsptr -- a |
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\ now the call |
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\c #define call_func1(par1,fptr) ((func1)fptr)(par1) |
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c-function call_func1 call_func1 n func -- n |
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-5 labsptr call_func1 . cr |
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