private static void GenerateParameterEntityToString(ParameterEntity entity, StructDeclaration type, PropertyDeclaration valueProperty)
{
var toString = type.AddMember(new MethodDeclaration("ToString"));
toString.Modifiers = Modifiers.Public | Modifiers.Override;
toString.ReturnType = typeof(string);
if (entity.FinalType == ModelRef.NumberId)
{
toString.Statements = new ReturnStatement(new MethodInvokeExpression(new MemberReferenceExpression(valueProperty, "ToString"), new MemberReferenceExpression(typeof(CultureInfo), "InvariantCulture")));
}
else if (entity.FinalType == ModelRef.String)
{
toString.Statements = new ReturnStatement(valueProperty);
}
else
{
toString.Statements = new ReturnStatement(new MethodInvokeExpression(new MemberReferenceExpression(valueProperty, "ToString")));
}
if (entity.FinalType == ModelRef.Object)
{
toString.ReturnType = toString.ReturnType.MakeNullable();
}
}
private static void GenerateParameterEntityEqualityOperators(StructDeclaration type)
{
var equal = type.AddMember(new OperatorDeclaration("=="));
equal.Modifiers = Modifiers.Public | Modifiers.Static;
equal.ReturnType = typeof(bool);
equal.Arguments.Add(new MethodArgumentDeclaration(new TypeReference(type), "a"));
equal.Arguments.Add(new MethodArgumentDeclaration(new TypeReference(type), "b"));
equal.Statements.Add(new ReturnStatement(new TypeReferenceExpression(new TypeReference(typeof(EqualityComparer <>)).MakeGeneric(type)).CreateMemberReferenceExpression("Default").CreateInvokeMethodExpression("Equals",
new ArgumentReferenceExpression("a"),
new ArgumentReferenceExpression("b"))));
var notEqual = type.AddMember(new OperatorDeclaration("!="));
notEqual.Modifiers = Modifiers.Public | Modifiers.Static;
notEqual.ReturnType = typeof(bool);
notEqual.Arguments.Add(new MethodArgumentDeclaration(new TypeReference(type), "a"));
notEqual.Arguments.Add(new MethodArgumentDeclaration(new TypeReference(type), "b"));
notEqual.Statements.Add(new ReturnStatement(new UnaryExpression(UnaryOperator.Not, new BinaryExpression(BinaryOperator.Equals, new ArgumentReferenceExpression("a"), new ArgumentReferenceExpression("b")))));
}
private static void GenerateParameterEntityEqualTypedMethod(StructDeclaration type, PropertyDeclaration valueProperty)
{
var equal = type.AddMember(new MethodDeclaration(nameof(object.Equals)));
equal.Modifiers = Modifiers.Public;
equal.ReturnType = typeof(bool);
var objArg = equal.AddArgument("other", new TypeReference(type));
Expression returnExpression = new MethodInvokeExpression(
new MemberReferenceExpression(typeof(object), "Equals"),
valueProperty,
new MemberReferenceExpression(objArg, valueProperty));
equal.Statements = new ReturnStatement(returnExpression);
}
private static void GenerateParameterEntityGetHashCode(StructDeclaration type, PropertyDeclaration valueProperty)
{
var equal = type.AddMember(new MethodDeclaration(nameof(object.GetHashCode)));
equal.Modifiers = Modifiers.Public | Modifiers.Override;
equal.ReturnType = typeof(int);
var statements = new StatementCollection
{
new ReturnStatement(
new MethodInvokeExpression(
new MemberReferenceExpression(new TypeReferenceExpression(typeof(HashCode)), nameof(HashCode.Combine)),
valueProperty)),
};
equal.Statements = statements;
}
private static void GenerateParameterEntityEqualMethod(StructDeclaration type)
{
var equal = type.AddMember(new MethodDeclaration(nameof(object.Equals)));
equal.Modifiers = Modifiers.Public | Modifiers.Override;
equal.ReturnType = typeof(bool);
var objArg = equal.AddArgument("obj", new TypeReference(typeof(object)).MakeNullable());
equal.Statements = new StatementCollection()
{
new ConditionStatement
{
Condition = new IsInstanceOfTypeExpression(objArg, type),
TrueStatements = new ReturnStatement(new ThisExpression().CreateInvokeMethodExpression("Equals", new CastExpression(objArg, type))),
FalseStatements = new ReturnStatement(LiteralExpression.False()),
},
};
}
