private void AddCustomLogicCall(TypeDefDeclaration enhancedType, InstructionWriter writer,
MethodDefDeclaration customMethod)
{
var parameters = customMethod.Parameters;
if (parameters.Count != 0)
{
Message.Write(enhancedType, SeverityType.Error, "EQU1", "The signature of a method annotated with ["
+ nameof(AdditionalGetHashCodeMethodAttribute) +
"] must be 'int MethodName()'. It can't have parameters.");
writer.EmitInstruction(OpCodeNumber.Ldc_I4_0);
return;
}
if (!customMethod.ReturnParameter.ParameterType.IsIntrinsic(IntrinsicType.Int32))
{
Message.Write(enhancedType, SeverityType.Error, "EQU2", "The signature of a method annotated with ["
+ nameof(AdditionalGetHashCodeMethodAttribute) +
"] must be 'int MethodName()'. Its return type must be 'int'.");
writer.EmitInstruction(OpCodeNumber.Ldc_I4_0);
return;
}
writer.EmitInstruction(OpCodeNumber.Ldarg_0);
writer.EmitInstructionMethod(
enhancedType.IsValueTypeSafe() == true ? OpCodeNumber.Call : OpCodeNumber.Callvirt,
customMethod.GetCanonicalGenericInstance());
}
private void EmitEqualsObjectOfValueType(InstructionWriter writer,
IType genericTypeInstance, MethodDefDeclaration typedEqualsMethod, CreatedEmptyMethod methodBody)
{
// return this.Equals((Typed)other);
writer.EmitInstruction(OpCodeNumber.Ldarg_0);
writer.EmitInstruction(OpCodeNumber.Ldarg_1);
writer.EmitInstructionType(OpCodeNumber.Unbox_Any, genericTypeInstance);
writer.EmitInstructionMethod(OpCodeNumber.Call, typedEqualsMethod.GetCanonicalGenericInstance());
writer.EmitInstructionLocalVariable(OpCodeNumber.Stloc, methodBody.ReturnVariable);
writer.EmitBranchingInstruction(OpCodeNumber.Br, methodBody.ReturnSequence);
}
private void EmitEqualsObjectOfReferenceType(InstructionWriter writer, IType genericTypeInstance,
MethodDefDeclaration typedEqualsMethod, CreatedEmptyMethod methodBody)
{
// Go to typed check.
writer.EmitInstruction(OpCodeNumber.Ldarg_0);
writer.EmitInstruction(OpCodeNumber.Ldarg_1);
writer.EmitInstructionType(OpCodeNumber.Castclass, genericTypeInstance);
writer.EmitInstructionMethod(OpCodeNumber.Call, typedEqualsMethod.GetCanonicalGenericInstance());
writer.EmitInstructionLocalVariable(OpCodeNumber.Stloc, methodBody.ReturnVariable);
writer.EmitBranchingInstruction(OpCodeNumber.Br, methodBody.ReturnSequence);
}