TAO/TAO_IDL/ast/ast_structure_fwd.cpp

   1 // AST_StructureFwd nodes denote forward declarations of IDL structs.
   2 // AST_StructureFwd nodes have a field containing the full declaration
   3 // of the struct, which is initialized when that declaration is
   4 // encountered.
   5
   6 #include "ast_structure_fwd.h"
   7 #include "ast_structure.h"
   8 #include "ast_visitor.h"
   9 #include "utl_identifier.h"
  10
  11 AST_Decl::NodeType const
  12 AST_StructureFwd::NT = AST_Decl::NT_struct_fwd;
  13
  14 AST_StructureFwd::AST_StructureFwd (AST_Structure *full_defn,
  15                                     UTL_ScopedName *n)
  16   : COMMON_Base (),
  17     AST_Decl (AST_Decl::NT_struct_fwd,
  18               n),
  19     AST_Type (AST_Decl::NT_struct_fwd,
  20               n),
  21     pd_full_definition (full_defn),
  22     is_defined_ (false)
  23 {
  24 }
  25
  26 AST_StructureFwd::~AST_StructureFwd (void)
  27 {
  28 }
  29
  30 // Redefinition of inherited virtual operations.
  31
  32 // Dump this AST_StructureFwd node to the ostream o.
  33 void
  34 AST_StructureFwd::dump (ACE_OSTREAM_TYPE &o)
  35 {
  36   this->dump_i (o, "struct ");
  37   this->local_name ()->dump (o);
  38 }
  39
  40 int
  41 AST_StructureFwd::ast_accept (ast_visitor *visitor)
  42 {
  43   return visitor->visit_structure_fwd (this);
  44 }
  45
  46 // Data accessors.
  47
  48 AST_Structure *
  49 AST_StructureFwd::full_definition (void)
  50 {
  51   return this->pd_full_definition;
  52 }
  53
  54 void
  55 AST_StructureFwd::set_full_definition (AST_Structure *nfd)
  56 {
  57   this->pd_full_definition->destroy ();
  58   delete this->pd_full_definition;
  59   this->pd_full_definition = nfd;
  60
  61   // In case it's not already set.
  62   this->is_defined_ = true;
  63 }
  64
  65 bool
  66 AST_StructureFwd::is_defined (void)
  67 {
  68   return this->is_defined_;
  69 }
  70
  71 void
  72 AST_StructureFwd::set_as_defined (void)
  73 {
  74   this->is_defined_ = true;
  75 }
  76
  77 void
  78 AST_StructureFwd::destroy (void)
  79 {
  80   if (!this->is_defined_ && 0 != this->pd_full_definition)
  81     {
  82       this->pd_full_definition->destroy ();
  83       delete this->pd_full_definition;
  84       this->pd_full_definition = 0;
  85     }
  86
  87   this->AST_Type::destroy ();
  88 }
  89
  90 bool
  91 AST_StructureFwd::is_fwd (void)
  92 {
  93   return true; // This is a fwd declared type
  94 }
  95
  96 // We don't actually want the forward declaration,
  97 // but want to return the full definition member,
  98 // whether defined yet or not.
  99 AST_Decl *
 100 AST_StructureFwd::adjust_found (
 101   bool ignore_fwd,
 102   bool full_def_only)
 103 {
 104   if (ignore_fwd)
 105     {
 106       AST_Structure *s = this->full_definition ();
 107       return (full_def_only && !s->is_defined () ? 0 : s);
 108     }
 109
 110   return this;
 111 }
 112
 113 IMPL_NARROW_FROM_DECL (AST_StructureFwd)