int _macroVariablevisitor()

in lib/src/header_parser/sub_parsers/macro_parser.dart [99:158]
57 lines of code
9 McCabe index (conditional complexity)

int _macroVariablevisitor(clang_types.CXCursor cursor,
    clang_types.CXCursor parent, Pointer<Void> clientData) {
  Constant? constant;
  try {
    if (isFromGeneratedFile(cursor) &&
        _macroVarNames.contains(cursor.spelling()) &&
        cursor.kind == clang_types.CXCursorKind.CXCursor_VarDecl) {
      final e = clang.clang_Cursor_Evaluate(cursor);
      final k = clang.clang_EvalResult_getKind(e);
      _logger.fine('macroVariablevisitor: ${cursor.completeStringRepr()}');

      /// Get macro name, the variable name starts with '<macro-name>_'.
      final macroName = MacroVariableString.decode(cursor.spelling());
      switch (k) {
        case clang_types.CXEvalResultKind.CXEval_Int:
          constant = Constant(
            usr: savedMacros[macroName]!.usr,
            originalName: savedMacros[macroName]!.originalName,
            name: macroName,
            rawType: 'int',
            rawValue: clang.clang_EvalResult_getAsLongLong(e).toString(),
          );
          break;
        case clang_types.CXEvalResultKind.CXEval_Float:
          constant = Constant(
            usr: savedMacros[macroName]!.usr,
            originalName: savedMacros[macroName]!.originalName,
            name: macroName,
            rawType: 'double',
            rawValue:
                _writeDoubleAsString(clang.clang_EvalResult_getAsDouble(e)),
          );
          break;
        case clang_types.CXEvalResultKind.CXEval_StrLiteral:
          final rawValue = _getWrittenRepresentation(
            macroName,
            clang.clang_EvalResult_getAsStr(e),
          );
          constant = Constant(
            usr: savedMacros[macroName]!.usr,
            originalName: savedMacros[macroName]!.originalName,
            name: macroName,
            rawType: 'String',
            rawValue: "'$rawValue'",
          );
          break;
      }
      clang.clang_EvalResult_dispose(e);

      if (constant != null) {
        _bindings!.add(constant);
      }
    }
  } catch (e, s) {
    _logger.severe(e);
    _logger.severe(s);
    rethrow;
  }
  return clang_types.CXChildVisitResult.CXChildVisit_Continue;
}