tests/test_ffi_c_extra_simple.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Very basic FFI tests
  18 # Does not use extern methods from other modules
  19 module test_ffi_c_extra_simple
  20
  21 in "C" `{
  22         #include <stdio.h>
  23 `}
  24
  25 class A
  26         fun foo `{
  27                 printf( "foo from C\n" );
  28         `}
  29
  30         fun bar( other : A, i : Int ) `{
  31                 printf( "bar from C: %ld\n", i );
  32         `}
  33
  34         fun baz( i : Int ) : Int `{
  35                 return i * 2;
  36         `}
  37
  38         fun titi( i : Float ) : Float `{
  39                 printf( "titi from C: %f\n", i );
  40                 return i*2.0f; // i * 12;
  41         `}
  42
  43         fun bounce( a : A ) : A `{
  44                 return a;
  45         `}
  46 end
  47
  48 var a = new A
  49 a.foo
  50 a.bar( a, 144 )
  51 print "From Nit: {a.baz( 121 )}"
  52 print "From Nit: calling titi"
  53 a.titi( 2.34 )
  54 print "From Nit: called titi"
  55 print a == a.bounce( a )