GeneratorBase::GenerateUnionAccessors Struct Reference

Public Member Functions
	GenerateUnionAccessors (AST_Union *u, AST_Type *d)
void	operator() (AST_UnionBranch *branch)

Public Attributes
AST_Union *	the_union
AST_Type *	discriminator

Detailed Description

Definition at line 288 of file langmap_generator.cpp.

Constructor & Destructor Documentation

GenerateUnionAccessors()

GeneratorBase::GenerateUnionAccessors::GenerateUnionAccessors ( AST_Union *  u, AST_Type *  d  )

inline

Definition at line 293 of file langmap_generator.cpp.

      : the_union(u)
      , discriminator(d)
    { }

Member Function Documentation

operator()()

void GeneratorBase::GenerateUnionAccessors::operator() ( AST_UnionBranch *  branch )

inline

Definition at line 298 of file langmap_generator.cpp.

References be_global, AstTypeClassification::CL_ARRAY, AstTypeClassification::CL_ENUM, AstTypeClassification::CL_FIXED, AstTypeClassification::CL_PRIMITIVE, AstTypeClassification::CL_SEQUENCE, AstTypeClassification::CL_STRING, AstTypeClassification::CL_STRUCTURE, AstTypeClassification::CL_UNION, AstTypeClassification::CL_WIDE, AstTypeClassification::classify(), getEnumLabel(), and AstTypeClassification::resolveActualType().

    {
      const char* field_name = branch->local_name()->get_string();
      std::stringstream first_label;
      {
        AST_UnionLabel* label = branch->label(0);
        if (label->label_kind() == AST_UnionLabel::UL_default) {
          first_label << generateDefaultValue(the_union);
        } else if (discriminator->node_type() == AST_Decl::NT_enum) {
          first_label << getEnumLabel(label->label_val(), discriminator);
        } else {
          first_label << *label->label_val()->ev();
        }
      }

      AST_Type* field_type = branch->field_type();
      const std::string field_type_string = generator_->map_type(field_type);
      AST_Type* actual_field_type = resolveActualType(field_type);
      const Classification cls = classify(actual_field_type);
      if (cls & (CL_PRIMITIVE | CL_ENUM)) {
        be_global->lang_header_ <<
          "  void " << field_name << " (" << field_type_string << " x) {\n"
          "    _reset();\n"
          "    this->_u." << field_name << " = x;\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  " << field_type_string << ' ' << field_name << " () const {\n"
          "    return this->_u." << field_name << ";\n"
          "  }\n";
      } else if (cls & CL_STRING) {
        const std::string& primtype = (cls & CL_WIDE) ? primtype_[AST_PredefinedType::PT_wchar] : primtype_[AST_PredefinedType::PT_char];
        const std::string& helper = (cls & CL_WIDE) ? helpers_[HLP_WSTR_VAR] : helpers_[HLP_STR_VAR];
        be_global->lang_header_ <<
          "  void " << field_name << " (" << primtype << "* x) {\n"
          "    _reset();\n" <<
          "    this->_u." << field_name << " = x;\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  void " << field_name << " (const " << primtype << "* x) {\n"
          "    _reset();\n"
          "    this->_u." << field_name << " = " << string_ns << "::string_dup(x);\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  void " << field_name << " (const " << helper << "& x) {\n"
          "    _reset();\n" <<
          "    this->_u." << field_name << " = " << string_ns << "::string_dup(x.in());\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  const " << primtype << "* " << field_name << " () const {\n"
          "    return this->_u." << field_name << ";\n"
          "  }\n";
      } else if (cls & CL_ARRAY) {
        be_global->lang_header_ <<
          "  void " << field_name << " (" << field_type_string << " x) {\n"
          "    _reset();\n" <<
          "    this->_u." << field_name << " = " << field_type_string << "_dup(x);\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  " << field_type_string << "_slice* " << field_name << " () const {\n"
          "    return this->_u." << field_name << ";\n"
          "  }\n";
      } else if (cls & (CL_STRUCTURE | CL_UNION | CL_SEQUENCE | CL_FIXED)) {
        be_global->lang_header_ <<
          "  void " << field_name << " (const " << field_type_string << "& x) {\n"
          "    _reset();\n"
          "    this->_u." << field_name << " = new " << field_type_string << "(x);\n"
          "    _discriminator = " << first_label.str() << ";\n"
          "  }\n"
          "  const " << field_type_string << "& " << field_name << " () const {\n"
          "    return *this->_u." << field_name << ";\n"
          "  }\n"
          "  " << field_type_string << "& " << field_name << " () {\n"
          "    return *this->_u." << field_name << ";\n"
          "  }\n";
      } else {
        std::cerr << "Unsupported type for union element\n";
      }
    }

Member Data Documentation

discriminator

AST_Type* GeneratorBase::GenerateUnionAccessors::discriminator

Definition at line 291 of file langmap_generator.cpp.

the_union

AST_Union* GeneratorBase::GenerateUnionAccessors::the_union

Definition at line 290 of file langmap_generator.cpp.

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The documentation for this struct was generated from the following file:

• langmap_generator.cpp