langmap_generator Class Reference

#include <langmap_generator.h>

Inheritance diagram for langmap_generator:

Collaboration diagram for langmap_generator:

Public Member Functions
void	init ()
Public Member Functions inherited from dds_generator
virtual	~dds_generator ()=0
virtual bool	do_included_files () const
virtual void	gen_prologue ()
virtual void	gen_epilogue ()
virtual bool	gen_interf (AST_Interface *, UTL_ScopedName *, bool, const std::vector< AST_Interface *> &, const std::vector< AST_Interface *> &, const std::vector< AST_Attribute *> &, const std::vector< AST_Operation *> &, const char *)
virtual bool	gen_native (AST_Native *, UTL_ScopedName *, const char *)

Private Member Functions
bool	gen_const (UTL_ScopedName *name, bool nestedInInteface, AST_Constant *constant)
bool	gen_enum (AST_Enum *, UTL_ScopedName *name, const std::vector< AST_EnumVal *> &contents, const char *repoid)
bool	gen_struct (AST_Structure *, UTL_ScopedName *name, const std::vector< AST_Field *> &fields, AST_Type::SIZE_TYPE size, const char *repoid)
bool	gen_struct_fwd (UTL_ScopedName *name, AST_Type::SIZE_TYPE size)
bool	gen_typedef (AST_Typedef *, UTL_ScopedName *name, AST_Type *type, const char *repoid)
bool	gen_union (AST_Union *, UTL_ScopedName *name, const std::vector< AST_UnionBranch *> &branches, AST_Type *discriminator, const char *repoid)
bool	gen_union_fwd (AST_UnionFwd *, UTL_ScopedName *name, AST_Type::SIZE_TYPE size)
bool	gen_interf_fwd (UTL_ScopedName *name)

Additional Inherited Members
Static Public Member Functions inherited from dds_generator
static std::string	get_tag_name (const std::string &base_name, const std::string &qualifier="")
static std::string	get_xtag_name (UTL_ScopedName *name)
static bool	cxx_escaped (const std::string &s)
static std::string	valid_var_name (const std::string &str)
static std::string	to_string (Identifier *id, EscapeContext ec=EscapeContext_Normal)
static std::string	scoped_helper (UTL_ScopedName *sn, const char *sep, EscapeContext cxt=EscapeContext_Normal)
static std::string	module_scope_helper (UTL_ScopedName *sn, const char *sep, EscapeContext cxt=EscapeContext_Normal)

Detailed Description

Generate code for the IDL -> Programming Language mapping For example, IDL structs -> C++ structs, etc. Enabled by the -L* command line options

Definition at line 14 of file langmap_generator.h.

Member Function Documentation

gen_const()

bool langmap_generator::gen_const ( UTL_ScopedName *  name, bool  nestedInInteface, AST_Constant *  constant  )

privatevirtual

Reimplemented from dds_generator.

Definition at line 1840 of file langmap_generator.cpp.

References be_global, scoped(), dds_generator::scoped_helper(), and OpenDDS::DCPS::to_string().

{
  const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);
  const char* const nm = name->last_component()->get_string();

  const AST_Expression::ExprType type = constant->et();
  const bool is_enum = (type == AST_Expression::EV_enum);
  const std::string type_name = is_enum
    ? scoped(constant->enum_full_name()) : generator_->map_type(type);
  be_global->lang_header_ <<
    generator_->const_keyword(type) << ' ' << type_name << ' ' << nm << " = ";

  if (is_enum) {
    UTL_ScopedName* const enumerator = constant->constant_value()->n();
    if (generator_->scoped_enum()) {
      be_global->lang_header_ << type_name << "::"
        << to_string(enumerator->last_component()) << ";\n";
    } else {
      be_global->lang_header_ << dds_generator::scoped_helper(enumerator, "::") << ";\n";
    }
  } else {
    be_global->lang_header_ << *constant->constant_value()->ev() << ";\n";
  }
  return true;
}

gen_enum()

bool langmap_generator::gen_enum ( AST_Enum *  , UTL_ScopedName *  name, const std::vector< AST_EnumVal *> &  contents, const char *  repoid  )

privatevirtual

Reimplemented from dds_generator.

Definition at line 1867 of file langmap_generator.cpp.

References be_global.

{
  const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);
  const char* const nm = name->last_component()->get_string();
  const char* scoped_enum = generator_->scoped_enum() ? "class " : "";
  const std::string enum_base = generator_->enum_base();
  be_global->lang_header_ <<
    "enum " << scoped_enum << nm << enum_base << " {\n";
  for (size_t i = 0; i < contents.size(); ++i) {
    be_global->lang_header_ <<
      "  " << contents[i]->local_name()->get_string()
      << ((i < contents.size() - 1) ? ",\n" : "\n");
  }
  be_global->lang_header_ <<
    "};\n\n";
  generator_->gen_simple_out(nm);
  gen_typecode(name);
  return true;
}

gen_interf_fwd()

bool langmap_generator::gen_interf_fwd ( UTL_ScopedName *  name )

privatevirtual

Reimplemented from dds_generator.

Definition at line 1986 of file langmap_generator.cpp.

References be_global.

{
  if (be_global->language_mapping() == BE_GlobalData::LANGMAP_CXX11) {
    return true;
  }

  const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);

  be_global->add_include("<tao/Objref_VarOut_T.h>", BE_GlobalData::STREAM_LANG_H);
  const char* const nm = name->last_component()->get_string();
  be_global->lang_header_ <<
    "class " << nm << ";\n"
    "typedef " << nm << '*' << nm << "_ptr;\n"
    "typedef TAO_Objref_Var_T<" << nm << "> " << nm << "_var;\n"
    "typedef TAO_Objref_Out_T<" << nm << "> " << nm << "_out;\n";

  return true;
}

gen_struct()

bool langmap_generator::gen_struct ( AST_Structure *  s, UTL_ScopedName *  name, const std::vector< AST_Field *> &  fields, AST_Type::SIZE_TYPE  size, const char *  repoid  )

privatevirtual

Implements dds_generator.

Definition at line 1897 of file langmap_generator.cpp.

References be_global, and name.

{
  return generator_->gen_struct(s, name, fields, size, x);
}

gen_struct_fwd()

bool langmap_generator::gen_struct_fwd ( UTL_ScopedName *  name, AST_Type::SIZE_TYPE  size  )

privatevirtual

Reimplemented from dds_generator.

Definition at line 1889 of file langmap_generator.cpp.

References be_global.

{
  const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);
  generator_->struct_decls(name, size);
  return true;
}

gen_typedef()

bool langmap_generator::gen_typedef ( AST_Typedef *  , UTL_ScopedName *  name, AST_Type *  type, const char *  repoid  )

privatevirtual

Implements dds_generator.

Definition at line 1920 of file langmap_generator.cpp.

References be_global, and AstTypeClassification::resolveActualType().

{
  AST_Array* arr = 0;
  {
    const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);
    const char* const nm = name->last_component()->get_string();

    switch (base->node_type()) {
    case AST_Decl::NT_sequence:
      generator_->gen_sequence(name, dynamic_cast<AST_Sequence*>(base));
      break;
    case AST_Decl::NT_array:
      generator_->gen_array(name, arr = dynamic_cast<AST_Array*>(base));
      break;
    case AST_Decl::NT_fixed:
# ifdef ACE_HAS_CDR_FIXED
      gen_fixed(name, dynamic_cast<AST_Fixed*>(base));
      break;
# else
      std::cerr << "ERROR: fixed data type (for " << nm << ") is not supported"
        " with this version of ACE+TAO\n";
      return false;
# endif
    default:
      if (be_global->language_mapping() == BE_GlobalData::LANGMAP_CXX11) {
        be_global->lang_header_ <<
          "using "  << nm << " = " << generator_->map_type(base) << ";\n";
      } else {
        be_global->lang_header_ <<
          "typedef " << generator_->map_type(base) << ' ' << nm << ";\n";
      }

      generator_->gen_typedef_varout(nm, base);

      AST_Type* actual_base = resolveActualType(base);
      if (actual_base->node_type() == AST_Decl::NT_array) {
        generator_->gen_array_typedef(nm, base);
      }

      break;
    }

    gen_typecode(name);
  }
  if (arr) generator_->gen_array_traits(name, arr);
  return true;
}

gen_union()

bool langmap_generator::gen_union ( AST_Union *  u, UTL_ScopedName *  name, const std::vector< AST_UnionBranch *> &  branches, AST_Type *  discriminator, const char *  repoid  )

privatevirtual

Implements dds_generator.

Definition at line 1978 of file langmap_generator.cpp.

{
  return generator_->gen_union(u, name, branches, discriminator);
}

gen_union_fwd()

bool langmap_generator::gen_union_fwd ( AST_UnionFwd *  node, UTL_ScopedName *  name, AST_Type::SIZE_TYPE  size  )

privatevirtual

Reimplemented from dds_generator.

Definition at line 1969 of file langmap_generator.cpp.

References be_global.

{
  const ScopedNamespaceGuard namespaces(name, be_global->lang_header_);
  generator_->struct_decls(name, node->full_definition()->size_type(), "class");
  return true;
}

init()

void langmap_generator::init

(

void

)

Definition at line 1818 of file langmap_generator.cpp.

References be_global, FaceGenerator::init(), SafetyProfileGenerator::init(), Cxx11Generator::init(), FaceGenerator::instance, SafetyProfileGenerator::instance, and Cxx11Generator::instance.

{
  switch (be_global->language_mapping()) {
  case BE_GlobalData::LANGMAP_FACE_CXX:
    string_ns = "::FACE";
    generator_ = &FaceGenerator::instance;
    generator_->init();
    break;
  case BE_GlobalData::LANGMAP_SP_CXX:
    string_ns = "::CORBA";
    generator_ = &SafetyProfileGenerator::instance;
    generator_->init();
    break;
  case BE_GlobalData::LANGMAP_CXX11:
    string_ns = "::CORBA";
    generator_ = &Cxx11Generator::instance;
    generator_->init();
    break;
  default: break;
  }
}

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The documentation for this class was generated from the following files:

• langmap_generator.h
• langmap_generator.cpp