TAO_PSS: PSDL_Type_Dcl_Visitor.cpp Source File

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00001 // -*- C++ -*-
00002 // $Id: PSDL_Type_Dcl_Visitor.cpp 62978 2005-01-02 12:43:20Z jwillemsen $
00003 
00004 #include "PSDL_Type_Dcl_Visitor.h"
00005 #include "PSDL_Stream.h"
00006 
00007 ACE_RCSID (PSS, PSDL_Type_Dcl_Visitor, "$Id: PSDL_Type_Dcl_Visitor.cpp 62978 2005-01-02 12:43:20Z jwillemsen $")
00008 
00009 TAO_PSDL_Type_Dcl_Visitor::TAO_PSDL_Type_Dcl_Visitor (void)
00010 {
00011 }
00012 
00013 TAO_PSDL_Type_Dcl_Visitor::~TAO_PSDL_Type_Dcl_Visitor (void)
00014 {
00015 }
00016 
00017 int
00018 TAO_PSDL_Type_Dcl_Visitor::visit_identifier (TAO_PSDL_Identifier *identifier)
00019 {
00020   if (this->identifiers_.size () == 0)
00021     {
00022       this->identifiers_.size (1);
00023       this->count_ = 0;
00024     }
00025 
00026   if (this->identifiers_.size () < this->count_ + 1)
00027     this->identifiers_.size (this->count_ + 1);
00028 
00029   this->identifiers_ [this->count_] = identifier->value ();
00030   ++this->count_;
00031 
00032   return 0;
00033 }
00034 
00035 int
00036 TAO_PSDL_Type_Dcl_Visitor::visit_type_declarator (TAO_PSDL_Type_Declarator *type_declarator)
00037 {
00038   // Typedefs.
00039   this->count_ = 0;
00040   this->identifiers_.size (2);
00041   this->predefined_type_.size (2);
00042 
00043   this->predefined_type_[this->count_] = 0;
00044 
00045   if (type_declarator->type_spec ()->accept (this) == -1)
00046     return -1;
00047 
00048   if (type_declarator->declarators ()->accept (this) == -1)
00049     return -1;
00050 
00051   ACE_CString type;
00052 
00053   // This flag is used to distinguish between the predefined types and
00054   // types that are typedef'ed before.
00055   if (this->predefined_type_ [0] == 0)
00056     {
00057       if (this->base_type (this->identifiers_[this->count_ -1], type))
00058         {
00059           if (ACE_OS::strcmp (type.c_str (), "struct") != 0)
00060             this->identifiers_[0] = type;
00061         }
00062     }
00063 
00064   // If the typedef is for a sequence of something, the very first
00065   // element is going to be 'sequence' (check visit_predefined_type
00066   // method in this class). We are basing our selection
00067   // based on that.
00068   if (ACE_OS::strcmp (this->identifiers_[0].c_str (), "sequence") != 0)
00069     {
00070       this->print_for_simple_typedefs ();
00071     }
00072   else
00073     this->print_for_sequence_typedefs (this->identifiers_[1],
00074                                        this->identifiers_[2]);
00075 
00076   return 0;
00077 }
00078 
00079 /*
00080   There seems to be a difference with what shoudl be printed adn what
00081   is printed out as per the method. So commenting it for now. Will keep
00082   it around for some time nad remove when I am sure its is totally wrong
00083 */
00084 
00085 void
00086 TAO_PSDL_Type_Dcl_Visitor::print_for_sequence_typedefs (ACE_CString identifier_type,
00087                                                         ACE_CString identifier)
00088 {
00089   ACE_CString name_space = TAO_PSDL_Scope::instance ()->get_name_space ();
00090 
00091   // Get a pointer to PSDL_Stream of the stub header.
00092   TAO_PSDL_Stream *ps_sh = TAO_PSDL_Scope::instance ()->get_sh ();
00093 
00094   ps_sh->nl ();
00095   *ps_sh << "#if !defined (TAO_USE_SEQUENCE_TEMPLATES)";
00096   ps_sh->nl ();
00097   *ps_sh << "#if !defined (__TAO_UNBOUNDED_SEQUENCE_" << name_space.c_str ()
00098          << "_" << identifier.c_str () << "_CH_)";
00099   ps_sh->nl ();
00100   *ps_sh << "#define __TAO_UNBOUNDED_SEQUENCE_" << name_space.c_str ()
00101          << "_" << identifier.c_str () << "_CH_";
00102   ps_sh->nl ();
00103   *ps_sh << "class TAO_EXPORT_MACRO _TAO_Unbounded_Sequence_CosNaming_"
00104          << identifier.c_str ();
00105   ps_sh->nl ();
00106   *ps_sh << ": public TAO_Unbounded_Base_Sequence";
00107   ps_sh->nl ();
00108   *ps_sh << "{";
00109   ps_sh->incr_indent ();
00110   ps_sh->nl ();
00111   *ps_sh << "public:";
00112   ps_sh->nl ();
00113   *ps_sh << "// = Initialization and termination methods.";
00114   ps_sh->nl ();
00115   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str ()
00116          << "_" << identifier.c_str () << " (void);";
00117   ps_sh->nl ();
00118   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str ()
00119          << "_" << identifier.c_str () << " (CORBA::ULong maximum);";
00120   ps_sh->nl ();
00121   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str () << "_"
00122          << identifier.c_str () << " (";
00123   ps_sh->nl ();
00124   *ps_sh << "CORBA::ULong maximum,";
00125   ps_sh->nl ();
00126   *ps_sh << "CORBA::ULong length,";
00127   ps_sh->nl ();
00128   *ps_sh << identifier_type << " *data,";
00129   ps_sh->nl ();
00130   *ps_sh << "CORBA::Boolean release = 0";
00131   ps_sh->nl ();
00132   *ps_sh << ");";
00133   ps_sh->nl ();
00134   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str () << "_" << identifier.c_str () << " (";
00135   ps_sh->nl ();
00136   *ps_sh << "const _TAO_Unbounded_Sequence_" << name_space.c_str () << "_" << identifier.c_str () << " &rhs\n";
00137   *ps_sh << ");\n";
00138   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str () << "_" << identifier.c_str () << " &operator= (\n";
00139   *ps_sh << "const _TAO_Unbounded_Sequence_" << name_space.c_str () << "_" << identifier.c_str () << " &rhs\n";
00140   *ps_sh << ");\n";
00141   *ps_sh << "virtual ~_TAO_Unbounded_Sequence_" << name_space << "_" << identifier << " (void);";
00142   ps_sh->nl ();
00143   ps_sh->nl ();
00144   *ps_sh << "// = Accessors.\n";
00145   *ps_sh << identifier_type << " &operator[] (CORBA::ULong i);\n";
00146   *ps_sh << "const " << identifier_type << " &operator[] (CORBA::ULong i) const;\n";
00147   ps_sh->nl ();
00148   *ps_sh << "// = Static operations.\n";
00149   *ps_sh << "static " << identifier_type << " *allocbuf (CORBA::ULong size);\n";
00150   *ps_sh << "static void freebuf (" << identifier_type << " *buffer);\n";
00151   ps_sh->nl ();
00152   *ps_sh << "// Implement the TAO_Base_Sequence methods (see Sequence.h)";   ps_sh->nl ();
00153   *ps_sh << "virtual void _allocate_buffer (CORBA::ULong length);";   ps_sh->nl ();
00154   *ps_sh << "virtual void _deallocate_buffer (void);";   ps_sh->nl ();
00155   *ps_sh << identifier_type << " *get_buffer (CORBA::Boolean orphan = 0);";   ps_sh->nl ();
00156   *ps_sh << "const " << identifier_type << " *get_buffer (void) const;";   ps_sh->nl ();
00157   *ps_sh << "void replace (";   ps_sh->nl ();
00158   *ps_sh << "  CORBA::ULong max,";   ps_sh->nl ();
00159   *ps_sh << "  CORBA::ULong length,";   ps_sh->nl ();
00160   *ps_sh << identifier_type << " *data,";   ps_sh->nl ();
00161   *ps_sh << "CORBA::Boolean release";   ps_sh->nl ();
00162   *ps_sh << ");";   ps_sh->nl ();
00163   ps_sh->decr_indent ();
00164   *ps_sh << "};";   ps_sh->nl ();
00165   ps_sh->decr_indent ();
00166   ps_sh->nl ();
00167   *ps_sh << "#endif /* end #if !defined */";   ps_sh->nl ();
00168   ps_sh->nl ();
00169   ps_sh->nl ();
00170   *ps_sh << "#endif /* !TAO_USE_SEQUENCE_TEMPLATES */ ";   ps_sh->nl ();
00171 
00172   ps_sh->nl ();
00173   ps_sh->nl ();
00174 
00175   *ps_sh << "#if !defined (_" << name_space.c_str () << "_" << identifier.c_str () << "_CH_)";   ps_sh->nl ();
00176   *ps_sh << "#define _" << name_space.c_str () << "_" << identifier.c_str () << "_CH_";   ps_sh->nl ();
00177   ps_sh->nl ();
00178 
00179   *ps_sh << "class " << identifier.c_str () << ";";   ps_sh->nl ();
00180   *ps_sh << "class " << identifier.c_str () << "_var;";   ps_sh->nl ();
00181   ps_sh->nl ();
00182 
00183   *ps_sh << "// *************************************************************";   ps_sh->nl ();
00184   *ps_sh << "// " << identifier.c_str () ;   ps_sh->nl ();
00185   *ps_sh << "// *************************************************************";   ps_sh->nl ();
00186 
00187   ps_sh->nl ();
00188 
00189   *ps_sh << "class  " << identifier.c_str () << " : public";   ps_sh->nl ();
00190 
00191   ps_sh->nl ();
00192 
00193   *ps_sh << "#if !defined (TAO_USE_SEQUENCE_TEMPLATES)";   ps_sh->nl ();
00194   *ps_sh << "_TAO_Unbounded_Sequence_" << name_space.c_str () << "_" << identifier.c_str () ;   ps_sh->nl ();
00195   *ps_sh << "#else /* TAO_USE_SEQUENCE_TEMPLATES */";   ps_sh->nl ();
00196   *ps_sh << "TAO_Unbounded_Sequence<" << identifier.c_str () << "Component>";   ps_sh->nl ();
00197   *ps_sh << "#endif /* !TAO_USE_SEQUENCE_TEMPLATES */ ";   ps_sh->nl ();
00198   *ps_sh << "{";   ps_sh->nl ();
00199   ps_sh->incr_indent ();
00200   *ps_sh << "public:";   ps_sh->nl ();
00201   *ps_sh << identifier.c_str () << " (void); // default ctor";   ps_sh->nl ();
00202   *ps_sh << identifier.c_str () << " (CORBA::ULong max); // uses max size";   ps_sh->nl ();
00203   *ps_sh << identifier.c_str () << " (";   ps_sh->nl ();
00204   *ps_sh << "CORBA::ULong max, ";   ps_sh->nl ();
00205   *ps_sh << "CORBA::ULong length, ";   ps_sh->nl ();
00206   *ps_sh << identifier.c_str () << "Component *buffer, ";   ps_sh->nl ();
00207   *ps_sh << "CORBA::Boolean release = 0";   ps_sh->nl ();
00208   *ps_sh << ");";   ps_sh->nl ();
00209 
00210   *ps_sh  << identifier.c_str () << " (const " << identifier.c_str () << " &); // copy ctor";   ps_sh->nl ();
00211   *ps_sh << "~" << identifier.c_str () << " (void);";   ps_sh->nl ();
00212   *ps_sh << "static void _tao_any_destructor (void*);";   ps_sh->nl ();
00213   ps_sh->nl ();
00214   *ps_sh << "typedef " << identifier.c_str () << "_var _var_type;";   ps_sh->nl ();
00215   ps_sh->nl ();
00216   ps_sh->nl ();
00217   *ps_sh << "};";   ps_sh->nl ();
00218   ps_sh->decr_indent ();
00219   ps_sh->nl ();
00220   *ps_sh << "#endif /* end #if !defined */";   ps_sh->nl ();
00221   ps_sh->nl ();
00222   ps_sh->nl ();
00223   *ps_sh << "#if !defined (_" << name_space.c_str () << "_" << identifier.c_str () << "___VAR_CH_)";   ps_sh->nl ();
00224   *ps_sh << "#define _" << name_space.c_str () << "_" << identifier.c_str () << "___VAR_CH_";   ps_sh->nl ();
00225   ps_sh->nl ();
00226   *ps_sh << "// *************************************************************";   ps_sh->nl ();
00227   *ps_sh << "// class " << name_space.c_str () << "::" << identifier.c_str () << "_var";   ps_sh->nl ();
00228   *ps_sh << "// *************************************************************";   ps_sh->nl ();
00229   ps_sh->nl ();
00230   *ps_sh << "class  " << identifier.c_str () << "_var";   ps_sh->nl ();
00231   *ps_sh << "{";   ps_sh->nl ();
00232   ps_sh->incr_indent ();
00233   *ps_sh << "public:";   ps_sh->nl ();
00234   *ps_sh << identifier.c_str () << "_var (void);";   ps_sh->nl ();
00235   *ps_sh << identifier.c_str () << "_var (" << identifier.c_str () << " *);";   ps_sh->nl ();
00236   *ps_sh << identifier.c_str () << "_var (const " << identifier.c_str () << "_var &);";   ps_sh->nl ();
00237   *ps_sh << "~" << identifier.c_str () << "_var (void);";   ps_sh->nl ();
00238   ps_sh->nl ();
00239   *ps_sh << identifier.c_str () << "_var &operator= (" << identifier.c_str () << " *);";   ps_sh->nl ();
00240   *ps_sh << identifier.c_str () << "_var &operator= (const " << identifier.c_str () << "_var &);";   ps_sh->nl ();
00241   *ps_sh << identifier.c_str () << " *operator-> (void);";   ps_sh->nl ();
00242   *ps_sh << "const " << identifier.c_str () << " *operator-> (void) const;";   ps_sh->nl ();
00243   ps_sh->nl ();
00244   *ps_sh << "operator const " << identifier.c_str () << " &() const;";   ps_sh->nl ();
00245   *ps_sh << "operator " << identifier.c_str () << " &();";   ps_sh->nl ();
00246   *ps_sh << "operator " << identifier.c_str () << " &() const;";   ps_sh->nl ();
00247   *ps_sh << "operator " << identifier.c_str () << " *&(); // variable-size base types only";   ps_sh->nl ();
00248   ps_sh->nl ();
00249   *ps_sh << identifier.c_str () << "Component & operator[] (CORBA::ULong index);";   ps_sh->nl ();
00250   *ps_sh << "const " << identifier.c_str () << "Component & operator[] (CORBA::ULong index) const;";
00251 
00252   ps_sh->nl ();
00253   ps_sh->nl ();
00254 
00255   *ps_sh << "// in, inout, out, _retn ";   ps_sh->nl ();
00256   *ps_sh << "const " << identifier.c_str () << " &in (void) const;";   ps_sh->nl ();
00257   *ps_sh << identifier.c_str () << " &inout (void);";   ps_sh->nl ();
00258   *ps_sh << identifier.c_str () << " *&out (void);";   ps_sh->nl ();
00259   *ps_sh << identifier.c_str () << " *_retn (void);";   ps_sh->nl ();
00260   *ps_sh << identifier.c_str () << " *ptr (void) const;";
00261 
00262   ps_sh->decr_indent (0);
00263 
00264   ps_sh->nl ();
00265   ps_sh->nl ();
00266 
00267   *ps_sh << "private:";
00268 
00269   ps_sh->incr_indent (0);
00270   ps_sh->nl ();
00271 
00272   *ps_sh << identifier.c_str () << " *ptr_;";   ps_sh->nl ();
00273   *ps_sh << "};";
00274 
00275   ps_sh->nl ();
00276   ps_sh->nl ();
00277   ps_sh->nl ();
00278 
00279   *ps_sh << "#endif /* end #if !defined */";   ps_sh->nl ();
00280   ps_sh->nl ();
00281   ps_sh->nl ();
00282   *ps_sh << "#if !defined (_" << name_space.c_str () << "_" << identifier.c_str () << "___OUT_CH_)";   ps_sh->nl ();
00283   *ps_sh << "#define _" << name_space.c_str () << "_" << identifier.c_str () << "___OUT_CH_";   ps_sh->nl ();
00284   ps_sh->nl ();
00285   *ps_sh << "class  " << identifier.c_str () << "_out";   ps_sh->nl ();
00286   *ps_sh << "{";   ps_sh->nl ();
00287   ps_sh->incr_indent ();
00288   *ps_sh << "public:";   ps_sh->nl ();
00289   *ps_sh << identifier.c_str () << "_out (" << identifier.c_str () << " *&);";   ps_sh->nl ();
00290   *ps_sh << identifier.c_str () << "_out (" << identifier.c_str () << "_var &);";   ps_sh->nl ();
00291   *ps_sh << identifier.c_str () << "_out (const " << identifier.c_str () << "_out &);";   ps_sh->nl ();
00292   *ps_sh << identifier.c_str () << "_out &operator= (const " << identifier.c_str () << "_out &);";   ps_sh->nl ();
00293   *ps_sh << identifier.c_str () << "_out &operator= (" << identifier.c_str () << " *);";   ps_sh->nl ();
00294   *ps_sh << "operator " << identifier.c_str () << " *&();";   ps_sh->nl ();
00295   *ps_sh << identifier.c_str () << " *&ptr (void);";   ps_sh->nl ();
00296   *ps_sh << identifier.c_str () << " *operator-> (void);";   ps_sh->nl ();
00297   *ps_sh << identifier.c_str () << "Component & operator[] (CORBA::ULong index);";   ps_sh->nl ();
00298   ps_sh->nl ();
00299   *ps_sh << "private:";   ps_sh->nl ();
00300   *ps_sh << identifier.c_str () << " *&ptr_;";   ps_sh->nl ();
00301   *ps_sh << "// Assignment from T_var not allowed.";   ps_sh->nl ();
00302   *ps_sh << "void operator= (const " << identifier.c_str () << "_var &);";   ps_sh->nl ();
00303   *ps_sh << "};";   ps_sh->nl ();
00304   ps_sh->decr_indent ();
00305   ps_sh->nl ();
00306   ps_sh->nl ();
00307   *ps_sh << "#endif /* end #if !defined */";   ps_sh->nl ();
00308 
00309   *ps_sh << "TAO_NAMESPACE_STORAGE_CLASS ::CORBA::TypeCode_ptr "
00310          << "_tc_" << identifier.c_str () << ";";   ps_sh->nl ();
00311 }
00312 
00313 void
00314 TAO_PSDL_Type_Dcl_Visitor::print_for_simple_typedefs (void)
00315 {
00316   ACE_CString type;
00317 
00318   // Get the base type of the identifier name
00319   this->base_type (this->identifiers_ [0], type);
00320 
00321   // Get a pointer to PSDL_Stream of the stub header.
00322   TAO_PSDL_Stream *ps_sh = TAO_PSDL_Scope::instance ()->get_sh ();
00323 
00324   if (ACE_OS::strcmp (type.c_str (), "char *") == 0)
00325     {
00326       ps_sh->reset ();
00327       ps_sh->nl ();
00328 
00329       *ps_sh << "typedef " << type.c_str () << " "
00330              << this->identifiers_ [1].c_str () << ";";
00331       }
00332 
00333   ps_sh->nl ();
00334   *ps_sh << "typedef " << this->version_for_stub (type).c_str () << " "
00335          << this->identifiers_[1].c_str ();
00336 
00337   if (ACE_OS::strcmp (type.c_str (), "char *") == 0)
00338     *ps_sh << "_var;";
00339   else
00340     *ps_sh << ";";
00341 
00342   ps_sh->nl ();
00343   *ps_sh << "typedef " << this->version_for_stub (type).c_str () << "_out"
00344          << " " << this->identifiers_[1].c_str () << "_out;";   ps_sh->nl ();
00345   *ps_sh << "TAO_NAMESPACE_STORAGE_CLASS ::CORBA::TypeCode_ptr"
00346          << " _tc_" << this->identifiers_[1].c_str () << ";";   ps_sh->nl ();
00347   ps_sh->nl ();
00348 
00349   // Generates code for the stub implementation files.
00350   this->gen_code_for_si ();
00351 }
00352 
00353 void
00354 TAO_PSDL_Type_Dcl_Visitor::gen_code_for_si (void)
00355 {
00356   TAO_PSDL_Stream *ps_si = TAO_PSDL_Scope::instance ()->get_si ();
00357 
00358   ps_si->reset ();
00359   ps_si->indent (); // start from current indentation level
00360 
00361   // Generate the typecode information here
00362   *ps_si << "static const CORBA::Long _oc_";
00363 
00364   // Flat name generation.
00365   *ps_si << this->identifiers_[1];
00366   *ps_si << "[] =";
00367   ps_si->nl ();
00368   *ps_si << "{";
00369   ps_si->nl ();
00370 
00371   // Some invocation call to put in the stuff that goes between
00372   // braces.
00373   *ps_si << "// Typecode related information should go in here";
00374   ps_si->nl ();
00375 
00376   *ps_si << "};";
00377   ps_si->nl ();
00378   ps_si->nl ();
00379 
00380   *ps_si << "static CORBA::TypeCode _tc_TAO_tc_";
00381   *ps_si << this->identifiers_[1];
00382   *ps_si << " (";
00383   ps_si->nl ();
00384   ps_si->incr_indent ();
00385   *ps_si << "CORBA::tk_alias,";
00386   ps_si->nl ();
00387   *ps_si << "sizeof (_oc_" << this->identifiers_[1] << "),";
00388   ps_si->nl ();
00389   *ps_si << "(char *) &_oc_";
00390   *ps_si << this->identifiers_[1] << ",";
00391   ps_si->nl ();
00392   *ps_si << "0,";
00393   ps_si->nl ();
00394   *ps_si << "sizeof (" << this->identifiers_[1] << ")";
00395   ps_si->nl ();
00396   *ps_si << ");";
00397   ps_si->decr_indent ();
00398 
00399   ps_si->nl ();
00400   ps_si->nl ();
00401   *ps_si << "::CORBA::TypeCode_ptr _tc_" << this->identifiers_[1] << " =";
00402   ps_si->nl ();
00403   ps_si->incr_indent ();
00404 
00405   *ps_si << "&_tc_TAO_tc_" << this->identifiers_[1] << ";";
00406   ps_si->decr_indent ();
00407   ps_si->nl ();
00408   ps_si->nl ();
00409 
00410 
00411   return;
00412 }
00413 
00414 int
00415 TAO_PSDL_Type_Dcl_Visitor::visit_predefined_type (TAO_PSDL_Predefined_Type *predefined_type)
00416 {
00417   if (predefined_type->type_one () != 0)
00418     {
00419       this->identifiers_ [this->count_] =
00420         TAO_PSDL_Scope::instance ()->convert_str (predefined_type->type_one ());
00421       if (this->count_ == 0)
00422         {
00423           // @@ implies this is the type.
00424           this->predefined_type_ [this->count_] = 1;
00425         }
00426       ++this->count_;
00427     }
00428 
00429   if (predefined_type->type_two () != 0)
00430     {}
00431 
00432   if (predefined_type->type_three () != 0)
00433     {}
00434 
00435   if (predefined_type->type_of_variable_one () != 0)
00436     {
00437       if (predefined_type->type_of_variable_one ()->accept (this) == -1)
00438         return -1;
00439     }
00440   if (predefined_type->type_of_variable_two () != 0)
00441     {}
00442   if (predefined_type->type_of_variable_three () != 0)
00443     {}
00444   return 0;
00445 }