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Annotation of gforth/test/libcc.fs, revision 1.6

1.6     ! anton       1: \ test libcc.fs C interface
        !             2: 
        !             3: \ Copyright (C) 2007 Free Software Foundation, Inc.
        !             4: 
        !             5: \ This file is part of Gforth.
        !             6: 
        !             7: \ Gforth is free software; you can redistribute it and/or
        !             8: \ modify it under the terms of the GNU General Public License
        !             9: \ as published by the Free Software Foundation; either version 2
        !            10: \ of the License, or (at your option) any later version.
        !            11: 
        !            12: \ This program is distributed in the hope that it will be useful,
        !            13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: \ GNU General Public License for more details.
        !            16: 
        !            17: \ You should have received a copy of the GNU General Public License
        !            18: \ along with this program; if not, write to the Free Software
        !            19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
        !            20: 
1.1       anton      21: require libcc.fs
                     22: 
                     23: \c #include <string.h>
                     24: \c #include <stdlib.h>
                     25: 
                     26: c-function strlen strlen a -- n
1.2       anton      27: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr 
1.1       anton      28: c-function labs labs n -- n
                     29: 
1.3       anton      30: \c #define _FILE_OFFSET_BITS 64
1.1       anton      31: \c #include <sys/types.h>
                     32: \c #include <unistd.h>
                     33: c-function dlseek lseek n d n -- d
                     34: 
                     35: cr s\" fooo\0" 2dup dump drop .s strlen cr .s drop cr 
                     36: -5 labs .s drop cr
1.3       anton      37: 
                     38: \c #include <stdio.h>
                     39: c-function printf-nr printf a n r -- n
                     40: c-function printf-rn printf a r n -- n
                     41: s\" n=%d r=%f\n\0" drop -5 -0.5e fp@ hex. cr printf-nr . cr
                     42: s\" r=%f n=%d\n\0" drop -0.5e -5 printf-rn . cr
                     43: 
                     44: \c #define printfull(s,ull) printf(s,(unsigned long long)ull)
                     45: c-function printfull printfull a n -- n
                     46: s\" ull=%llu\n\0" drop -1 printfull . cr
                     47: s\" ull=%llu r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.4       anton      48: 
                     49: \c #define printfll(s,ll) printf(s,(long long)ll)
                     50: c-function printfll printfll a n -- n
                     51: s\" ll=%lld\n\0" drop -1 printfll . cr
                     52: s\" ll=%lld r=%f\n\0" drop -1 -0.5e printf-nr . cr
1.5       anton      53: 
                     54: \ test calling a C function pointer from Forth
                     55: 
                     56: \ first create a C function pointer:
                     57: 
                     58: \c typedef long (* func1)(long);
                     59: \c #define labsptr(dummy) ((func1)labs)
                     60: c-function labsptr labsptr -- a
                     61: 
                     62: \ now the call
                     63: \c #define call_func1(par1,fptr) ((func1)fptr)(par1)
                     64: c-function call_func1 call_func1 n func -- n
                     65: 
                     66: -5 labsptr call_func1 . cr
                     67: