feat(parser): add ASTIntDeclaration struct for integer declaration AST nodes

Author: Reim-developer

wheel_parser/include/wheel_parser/ast/int_declaration.hxx

@@ -0,0 +1,21 @@
+#if !defined(INT_DECLARATION_HXX)
+#define INT_DECLARATION_HXX
+
+#include <wheel_lexer/token.hxx>
+#include "wheel_parser/config.hxx"
+#include "symbol.hxx"
+
+using namespace wheel_lexer;
+
+WHEEL_PARSER_AST_NAMESPACE
+    struct ASTIntDeclaration {
+        SymbolID type_symbol;
+        SymbolID variable_symbol;
+        int64_t intializer_value;
+        SourceLocation source_location;
+    };
+
+WHEEL_PARSER_END_NAMESPACE
+
+
+#endif // INT_DECLARATION_HXX