示例#1
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 public static TypeBuilder WithComparableCompare(this TypeBuilder builder, EntityModifier modifier = null)
 {
     return(builder.With(FunctionBuilder.Create(NameFactory.ComparableCompare,
                                                ExpressionReadMode.ReadRequired, NameFactory.OrderingNameReference(),
                                                Block.CreateStatement(
                                                    IfBranch.CreateIf(IsSame.Create(NameReference.CreateThised(), NameReference.Create("cmp")),
                                                                      new[] { Return.Create(NameFactory.OrderingEqualReference()) }),
                                                    // let obj = cmp cast? Self
                                                    VariableDeclaration.CreateStatement("obj", null, ExpressionFactory.CheckedSelfCast("cmp",
                                                                                                                                       NameFactory.ReferenceNameReference(builder.CreateTypeNameReference(TypeMutability.ReadOnly)))),
                                                    // return this.compare(obj.value)
                                                    Return.Create(FunctionCall.Create(NameReference.CreateThised(NameFactory.ComparableCompare),
                                                                                      NameReference.Create("obj")))))
                         .SetModifier(EntityModifier.Override | modifier)
                         .Parameters(FunctionParameter.Create("cmp",
                                                              NameFactory.ReferenceNameReference(NameFactory.IComparableNameReference(TypeMutability.ReadOnly))))));
 }
示例#2
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 public static TypeBuilder WithEquatableEquals(this TypeBuilder builder, EntityModifier modifier = null)
 {
     return(builder.With(FunctionBuilder.Create(NameFactory.EqualOperator,
                                                ExpressionReadMode.ReadRequired, NameFactory.BoolNameReference(),
                                                Block.CreateStatement(
                                                    IfBranch.CreateIf(IsSame.Create(NameReference.CreateThised(), NameReference.Create("cmp")),
                                                                      new[] { Return.Create(BoolLiteral.CreateTrue()) }),
                                                    // let obj = cmp cast? Self
                                                    VariableDeclaration.CreateStatement("obj", null, ExpressionFactory.CheckedSelfCast("cmp",
                                                                                                                                       NameFactory.ReferenceNameReference(builder.CreateTypeNameReference(TypeMutability.ReadOnly)))),
                                                    // return this==obj.value
                                                    Return.Create(ExpressionFactory.IsEqual(NameReference.Create(NameFactory.ThisVariableName),
                                                                                            NameReference.Create("obj")))))
                         .SetModifier(EntityModifier.Override | modifier)
                         .Parameters(FunctionParameter.Create("cmp",
                                                              NameFactory.ReferenceNameReference(NameFactory.IEquatableNameReference(TypeMutability.ReadOnly))))));
 }
示例#3
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        public static IExpression CheckedSelfCast(string paramName, INameReference currentTypeName)
        {
            return(Block.CreateExpression(
                       // this is basically check for Self type
                       // assert this.getType()==other.GetType()
                       // please note
                       // assert other is CurrentType
                       // has different (and incorrect) meaning, because it does not really check both entities type
                       // consider this to be IFooChild of IFoo->IFooParent->IFooChild
                       // and current type would be IFooParent and the other would be of this type
                       AssertTrue(IsSame.Create(FunctionCall.Create(NameReference.CreateThised(NameFactory.GetTypeFunctionName)),
                                                FunctionCall.Create(NameReference.Create(paramName, NameFactory.GetTypeFunctionName)))),

                       // maybe in future it would be possible to dynamically cast to the actual type of other
                       // this would mean static dispatch to later calls
                       ExpressionFactory.GetOptionValue(ExpressionFactory.DownCast(NameReference.Create(paramName), currentTypeName))
                       ));
        }