MonoDevelop.CSharp.SignatureMarkupCreator.AppendConstant C# (CSharp) Méthode

		void AppendConstant (StringBuilder sb, ITypeSymbol constantType, object constantValue, bool useNumericalEnumValue = false)
		{
			if (constantValue is string) {
				sb.Append (Highlight ("\"" + MonoDevelop.Ide.TypeSystem.Ambience.EscapeText ((string)constantValue) + "\"", colorStyle.String));
				return;
			}
			if (constantValue is char) {
				sb.Append (Highlight ("'" + constantValue + "'", colorStyle.String));
				return;
			}
			if (constantValue is bool) {
				sb.Append (Highlight ((bool)constantValue ? "true" : "false", colorStyle.KeywordConstants));
				return;
			}

			if (constantValue == null) {
				if (constantType.IsValueType) {
					// structs can never be == null, therefore it's the default value.
					sb.Append (Highlight ("default", colorStyle.KeywordSelection) + "(" + GetTypeReferenceString (constantType) + ")");
				} else {
					sb.Append (Highlight ("null", colorStyle.KeywordConstants));
				}
				return;
			}
			//			TODOδ
			//			while (IsNullableType (constantType))
			//				constantType = NullableType.GetUnderlyingType (constantType);
			if (constantType.TypeKind == TypeKind.Enum) {
				foreach (var field in constantType.GetMembers ().OfType<IFieldSymbol> ()) {
					if (field.ConstantValue == constantValue) {
						if (useNumericalEnumValue) {
							sb.Append (Highlight (string.Format ("0x{0:X}", field.ConstantValue), colorStyle.Number));
						} else {
							sb.Append (GetTypeReferenceString (constantType) + "." + FilterEntityName (field.Name));
						}
						return;
					}
				}
				// try to decompose flags
				if (constantType.GetAttributes ().Any (attr => attr.AttributeClass.Name == "FlagsAttribute" && attr.AttributeClass.ContainingNamespace.Name == "System")) {
					var val = GetUlong (constantValue.ToString ());
					var outVal = 0UL;
					var fields = new List<IFieldSymbol> ();
					foreach (var field in constantType.GetMembers ().OfType<IFieldSymbol> ()) {
						if (field.ConstantValue == null)
							continue;
						var val2 = GetUlong (field.ConstantValue.ToString ());
						if ((val & val2) == val2) {
							fields.Add (field);
							outVal |= val2;
						}
					}

					if (val == outVal && fields.Count > 1) {
						for (int i = 0; i < fields.Count; i++) {
							if (i > 0)
								sb.Append (" | ");
							var field = fields [i];
							sb.Append (GetTypeReferenceString (constantType) + "." + FilterEntityName (field.Name));
						}
						return;
					}
				}

				sb.Append ("(" + GetTypeReferenceString (constantType) + ")" + Highlight (constantValue.ToString (), colorStyle.Number));
				return;
			}
			sb.Append (Highlight (MonoDevelop.Ide.TypeSystem.Ambience.EscapeText (constantValue.ToString ()), colorStyle.Number));
		}