TAO/TAO_IDL/be/be_enum.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    be_enum.cpp
   5  *
   6  *  Extension of class AST_Enum that provides additional means for C++
   7  *  mapping.
   8  *
   9  *  @author Copyright 1994-1995 by Sun Microsystems
  10  *  @author Inc. and Aniruddha Gokhale
  11  */
  12 //=============================================================================
  13
  14 #include "be_enum.h"
  15 #include "be_visitor.h"
  16 #include "be_helper.h"
  17
  18 #include "global_extern.h"
  19
  20 be_enum::be_enum (UTL_ScopedName *n,
  21                   bool local,
  22                   bool abstract)
  23   : COMMON_Base (local,
  24                  abstract),
  25     AST_Decl (AST_Decl::NT_enum,
  26               n),
  27     AST_Type (AST_Decl::NT_enum,
  28               n),
  29     AST_ConcreteType (AST_Decl::NT_enum,
  30                       n),
  31     UTL_Scope (AST_Decl::NT_enum),
  32     AST_Enum (n,
  33               local,
  34               abstract),
  35     be_scope (AST_Decl::NT_enum),
  36     be_decl (AST_Decl::NT_enum,
  37              n),
  38     be_type (AST_Decl::NT_enum,
  39              n)
  40 {
  41   if (!this->imported ())
  42     {
  43       idl_global->enum_seen_ = true;
  44       idl_global->fixed_size_decl_seen_ = true;
  45     }
  46 }
  47
  48 void
  49 be_enum::gen_ostream_operator (TAO_OutStream *os,
  50                                bool /* use_underscore */)
  51 {
  52   *os << be_nl
  53       << "std::ostream& operator<< (std::ostream &strm, const "
  54       << this->name () << " _tao_enumerator)" << be_nl
  55       << "{" << be_idt_nl
  56       << "switch (_tao_enumerator)" << be_idt_nl
  57       << "{" << be_idt_nl;
  58
  59   // The enum's type name itself is not part of the scope of the
  60   // enum values. If the enum is defined at global scope, this will
  61   // produce an empty string when streamed to the output file.
  62   UTL_ScopedName *s = ScopeAsDecl (this->defined_in ())->name ();
  63
  64   for (UTL_ScopeActiveIterator i (this, IK_decls); !i.is_done (); i.next ())
  65     {
  66       Identifier *id = i.item ()->local_name ();
  67
  68       *os << "case " << s << "::" << id
  69           << ": return strm << \"" << s << "::" << id
  70           << "\";" << be_nl;
  71     }
  72
  73   *os << "default: return strm;" << be_uidt_nl
  74       << "}" << be_uidt << be_uidt_nl
  75       << "}" << be_nl;
  76 }
  77
  78 void
  79 be_enum::destroy (void)
  80 {
  81   // Call the destroy methods of our base classes.
  82   // No need to call be_scope::destroy(). It has no
  83   // allocated members, and AST_Enum::destroy() will
  84   // call UTL_Scope::destroy().
  85   this->be_type::destroy ();
  86   this->be_scope::destroy ();
  87   this->AST_Enum::destroy ();
  88 }
  89
  90 int
  91 be_enum::accept (be_visitor *visitor)
  92 {
  93   return visitor->visit_enum (this);
  94 }
  95
  96
  97
  98 IMPL_NARROW_FROM_DECL (be_enum)
  99 IMPL_NARROW_FROM_SCOPE (be_enum)