Adapt literals and expressions parsing to new xtype APIs

Signed-off-by: Yangbo Long <[email protected]>

Author: YangboLong

examples/cpp/dds/IdlParserExample/IdlParser_main.cpp

@@ -50,22 +50,22 @@ int main(
          EPROSIMA_LOG_ERROR(IDLPARSER, "Failed to create DynamicType from IDL: " << test00);
      }
 
-    // std::cout << "Processing literals, expressions, and consts:" << std::endl;
-    // std::string test01 =
-    //         R"(
-    //     // boolean literals in IDL are case sensitive and should be exactly TRUE or FALSE
-    //     const boolean C_BOOL = TRUE;
-    //     const string<100> C_STR = "hello";
-    //     const int32 C_LITERALS1 = (0x5 | (4 + 3)) + (4 << 1) * 2; // 23
-    //     const int32 C_LITERALS2 = (02 + 0x1) * 2; // 6
-    //     const int32 C_LITERALS3 = 4 / ( 07 & 0x2 ); // 2
-    //     const int32 C_LITERALS4 = -(5 * ( 03 + 0xF )); // -90
-    //     const int32 C_LITERALS5 = 0xf0 & ~(4 * ( 0x7 - 02 )); // 224
-    //     const int32 C_LITERALS6 = (0x7 | 0x9) & ~(6 * ( 024 - 5 )); // 5
-    //     const float C_LITERALS7 = (2 + 4) / 3.0d; /* 2.0 */
-    //     const float C_LITERALS8 = (2e0 + 4) / 3.0d; /* 2.0 */
-    // )";
-    // idl::Context context01 = idl::parse(test01);
+     std::cout << "Processing literals, expressions, and consts:" << std::endl;
+     std::string test01 =
+             R"(
+         // boolean literals in IDL are case sensitive and should be exactly TRUE or FALSE
+         const boolean C_BOOL = TRUE;
+         const string<100> C_STR = "hello";
+         const int32 C_LITERALS1 = (0x5 | (4 + 3)) + (4 << 1) * 2; // 23
+         const int32 C_LITERALS2 = (02 + 0x1) * 2; // 6
+         const int32 C_LITERALS3 = 4 / ( 07 & 0x2 ); // 2
+         const int32 C_LITERALS4 = -(5 * ( 03 + 0xF )); // -90
+         const int32 C_LITERALS5 = 0xf0 & ~(4 * ( 0x7 - 02 )); // 224
+         const int32 C_LITERALS6 = (0x7 | 0x9) & ~(6 * ( 024 - 5 )); // 5
+         const float C_LITERALS7 = (2 + 4) / 3.0d; /* 2.0 */
+         const float C_LITERALS8 = (2e0 + 4) / 3.0d; /* 2.0 */
+     )";
+     DynamicTypeBuilder::_ref_type literal_type = DynamicTypeBuilderFactory::get_instance()->create_type_w_idl(test01);
 
     // std::cout << "Processing IDL string:" << std::endl;
     // std::string test02 =

src/cpp/fastdds/xtypes/dynamic_types/idl_parser/IdlModule.hpp

@@ -365,39 +365,33 @@ class Module
     //     return std::find(from_enum_.begin(), from_enum_.end(), name) != from_enum_.end();
     // }
 
-    // bool create_constant(
-    //         const std::string& name,
-    //         v1_3::DynamicData_ptr value,
-    //         bool replace = false,
-    //         bool from_enumeration = false)
-    // {
-    //     if (name.find("::") != std::string::npos)
-    //     {
-    //         return false; // Cannot add a symbol with scoped name.
-    //     }
+    bool create_constant(
+            const std::string& name,
+            DynamicData::_ref_type xdata,
+            bool replace = false,
+            bool from_enumeration = false)
+    {
+        if (name.find("::") != std::string::npos)
+        {
+            return false; // Cannot add a symbol with scoped name.
+        }
 
-    //     if (replace)
-    //     {
-    //         auto it = constants_.find(name);
-    //         if (it != constants_.end())
-    //         {
-    //             constants_.erase(it);
-    //             constants_types_.erase(constants_types_.find(name));
-    //         }
-    //     }
+        if (replace)
+        {
+            auto it = constants_.find(name);
+            if (it != constants_.end())
+            {
+                constants_.erase(it);
+            }
+        }
 
-    //     auto inserted = constants_types_.emplace(name, Type(*this, *value->get_type()));
-    //     if (inserted.second)
-    //     {
-    //         auto result = constants_.emplace(name, value);
-    //         if (result.second && from_enumeration)
-    //         {
-    //             from_enum_.push_back(name);
-    //         }
-    //         return result.second;
-    //     }
-    //     return false;
-    // }
+        auto result = constants_.emplace(name, xdata);
+        if (result.second && from_enumeration)
+        {
+            from_enum_.push_back(name);
+        }
+        return result.second;
+    }
 
     // bool has_enum_32(
     //         const std::string& name) const
@@ -533,8 +527,8 @@ class Module
 
     std::map<std::string, DynamicTypeBuilder::_ref_type> aliases_;
     // std::map<std::string, Type> constants_types_;
-    // std::map<std::string, v1_3::DynamicData_ptr> constants_;
-    // std::vector<std::string> from_enum_;
+    std::map<std::string, DynamicData::_ref_type> constants_;
+    std::vector<std::string> from_enum_;
     std::map<std::string, DynamicTypeBuilder::_ref_type> enumerations_32_;
     std::map<std::string, DynamicTypeBuilder::_ref_type> structs_;
     std::map<std::string, DynamicTypeBuilder::_ref_type> unions_;