tests/test_ffi_c_more.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2011 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 in "C header" `{
  18         #include <stdio.h>
  19 `}
  20
  21 in "C" `{
  22         void f( char *str ) {
  23                 printf( "%s\n", str );
  24         }
  25 `}
  26
  27 `{
  28         void g() {
  29                 printf( "from C\n" );
  30         }
  31 `}
  32
  33 extern class A
  34         new is extern `{ return malloc(1); `}
  35         new new_implicit `{ return malloc(1); `}
  36         new new_in_language is extern in "C" `{ return malloc(1); `}
  37         new new_in_language_implicit in "C" `{ return malloc(1); `}
  38
  39         fun m : Int is extern `{ return 10; `}
  40
  41         fun n : String is extern import CString.to_s `{
  42                 return CString_to_s( "allo" );
  43         `}
  44
  45         fun o ( str : String ) is extern import String.to_cstring `{
  46                 f( String_to_cstring( str ) );
  47         `}
  48
  49         fun p : Int import m `{
  50                 return A_m( self ) + 5;
  51         `}
  52
  53         fun in_language : Int is extern in "C" `{
  54                 return  4;
  55         `}
  56         fun in_language_implicit : Int in "C" `{
  57                 return  4;
  58         `}
  59         fun simple_implicit `{
  60                 g();
  61         `}
  62         fun inline_implicit : Int `{ return  7; `}
  63 end
  64
  65 extern class B
  66 super A
  67 end
  68
  69 extern class C `{int*`}
  70 end
  71
  72 extern class D
  73 super C
  74 end
  75
  76 extern class E
  77 super C
  78 end
  79
  80 var a = new A
  81 print a.m
  82 print a.n
  83 a.o( "hello" )
  84 print a.p