gcc/d/dmd/objc.c

   1
   2 /* Compiler implementation of the D programming language
   3  * Copyright (C) 2015-2018 by The D Language Foundation, All Rights Reserved
   4  * written by Michel Fortin
   5  * http://www.digitalmars.com
   6  * Distributed under the Boost Software License, Version 1.0.
   7  * http://www.boost.org/LICENSE_1_0.txt
   8  * https://github.com/D-Programming-Language/dmd/blob/master/src/objc_stubs.c
   9  */
  10
  11 #include "objc.h"
  12 #include "aggregate.h"
  13 #include "scope.h"
  14
  15 class FuncDeclaration;
  16
  17 // MARK: ObjcSelector
  18
  19 ObjcSelector::ObjcSelector(const char *, size_t, size_t)
  20 {
  21     printf("Should never be called when D_OBJC is false\n");
  22     assert(0);
  23 }
  24
  25 ObjcSelector *ObjcSelector::lookup(const char *)
  26 {
  27     printf("Should never be called when D_OBJC is false\n");
  28     assert(0);
  29     return NULL;
  30 }
  31
  32 ObjcSelector *ObjcSelector::lookup(const char *, size_t, size_t)
  33 {
  34     printf("Should never be called when D_OBJC is false\n");
  35     assert(0);
  36     return NULL;
  37 }
  38
  39 ObjcSelector *ObjcSelector::create(FuncDeclaration *)
  40 {
  41     printf("Should never be called when D_OBJC is false\n");
  42     assert(0);
  43     return NULL;
  44 }
  45
  46 class UnsupportedObjc : public Objc
  47 {
  48     void setObjc(ClassDeclaration *cd)
  49     {
  50         cd->error("Objective-C classes not supported");
  51     }
  52
  53     void setObjc(InterfaceDeclaration *id)
  54     {
  55         id->error("Objective-C interfaces not supported");
  56     }
  57
  58     void setSelector(FuncDeclaration *, Scope *)
  59     {
  60         // noop
  61     }
  62
  63     void validateSelector(FuncDeclaration *)
  64     {
  65         // noop
  66     }
  67
  68     void checkLinkage(FuncDeclaration *)
  69     {
  70         // noop
  71     }
  72 };
  73
  74 static Objc *_objc;
  75
  76 Objc *objc()
  77 {
  78     return _objc;
  79 }
  80
  81 void Objc::_init()
  82 {
  83     _objc = new UnsupportedObjc();
  84 }