public IErrorReporter ErrorInitializingWithGetter()
{
NameResolver resolver = null;
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
}.SetMutability(mutability));
var root_ns = env.Root;
root_ns.AddBuilder(TypeBuilder.Create("Point")
.With(PropertyBuilder.CreateAutoGetter(env.Options, "x", NameFactory.Nat8NameReference()))
.With(FunctionBuilder.CreateInitConstructor(Block.CreateStatement(
Assignment.CreateStatement(NameReference.CreateThised("x"), Nat8Literal.Create("5"))
))));
root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Nat8NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("p", null,
ConstructorCall.StackConstructor(NameReference.Create("Point"))
// cannot use getter in post-initialization
.Init("x", Nat8Literal.Create("17"), out Assignment post_init)
.Build()),
Return.Create(NameReference.Create(NameReference.Create("p"), "x"))
})));
public IInterpreter NoExtrasWithCopyConstructor()
{
// nothing is written in stone, but for now let's treat assignment in declaration as assignment
// not copy constructor (as in C++)
var interpreter = new Interpreter.Interpreter();
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
DebugThrowOnError = true
}.SetMutability(mutability));
var root_ns = env.Root;
root_ns.AddBuilder(TypeBuilder.Create("Point")
.SetModifier(EntityModifier.Mutable)
.With(FunctionBuilder.CreateInitConstructor(Block.CreateStatement()))
// copy-constructor
.With(FunctionBuilder.CreateInitConstructor(Block.CreateStatement(
Assignment.CreateStatement(NameReference.CreateThised("x"), Nat8Literal.Create("66"))
)).Parameters(FunctionParameter.Create("p", NameFactory.ReferenceNameReference("Point"),
ExpressionReadMode.CannotBeRead)))
.With(PropertyBuilder.Create(env.Options, "x", () => NameFactory.Nat8NameReference())
.With(VariableDeclaration.CreateStatement("f", NameFactory.Nat8NameReference(), null,
env.Options.ReassignableModifier()))
.WithGetter(Block.CreateStatement(Return.Create(NameReference.CreateThised("f"))))
.WithSetter(Block.CreateStatement(Assignment.CreateStatement(NameReference.CreateThised("f"),
ExpressionFactory.Mul(NameFactory.PropertySetterValueReference(), Nat8Literal.Create("2")))))));
root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Nat8NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("p", null,
ConstructorCall.StackConstructor(NameReference.Create("Point"))
.Init("x", Nat8Literal.Create("7"))
.Build()),
// bit-copy of the object, there is no calling copy-constructor here
VariableDeclaration.CreateStatement("r", null, NameReference.Create("p")),
Return.Create(NameReference.Create(NameReference.Create("r"), "x"))
})));
ExecValue result = interpreter.TestRun(env);
Assert.AreEqual((byte)14, result.RetValue.PlainValue);
}
return(interpreter);
}
public IInterpreter InitializingWithCustomSetter()
{
var interpreter = new Interpreter.Interpreter();
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
DebugThrowOnError = true
}.SetMutability(mutability));
var root_ns = env.Root;
root_ns.AddBuilder(TypeBuilder.Create("Point")
.SetModifier(EntityModifier.Mutable)
.With(PropertyBuilder.Create(env.Options, "x", () => NameFactory.Nat8NameReference())
.With(VariableDeclaration.CreateStatement("f", NameFactory.Nat8NameReference(), null,
env.Options.ReassignableModifier()))
.WithGetter(Block.CreateStatement(Return.Create(NameReference.CreateThised("f"))))
.WithSetter(Block.CreateStatement(Assignment.CreateStatement(NameReference.CreateThised("f"),
ExpressionFactory.Mul(NameFactory.PropertySetterValueReference(), Nat8Literal.Create("2")))))));
root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Nat8NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("p", null,
ConstructorCall.StackConstructor(NameReference.Create("Point"))
.Init("x", Nat8Literal.Create("7"))
.Build()),
Return.Create(NameReference.Create(NameReference.Create("p"), "x"))
})));
ExecValue result = interpreter.TestRun(env);
Assert.AreEqual((byte)14, result.RetValue.PlainValue);
}
return(interpreter);
}
public IErrorReporter ErrorCustomGetterWithInitialization()
{
NameResolver resolver = null;
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
}.SetMutability(mutability));
var root_ns = env.Root;
// error: custom getter (with no setter) + post initialization
Property property = PropertyBuilder.Create(env.Options, "x", () => NameFactory.Nat8NameReference())
.With(PropertyMemberBuilder.CreateGetter(Block.CreateStatement(Return.Create(Nat8Literal.Create("3")))))
.SetModifier(EntityModifier.PostInitialization);
root_ns.AddBuilder(TypeBuilder.Create("Point")
.With(property));
root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Nat8NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("p", null,
ConstructorCall.StackConstructor(NameReference.Create("Point"))
// this cannot be executed but do not report an error for it, because the type has to be fixed first
.Init("x", Nat8Literal.Create("17"))
.Build()),
Return.Create(NameReference.Create(NameReference.Create("p"), "x"))
})));
resolver = NameResolver.Create(env);
Assert.AreEqual(1, resolver.ErrorManager.Errors.Count);
Assert.IsTrue(resolver.ErrorManager.HasError(ErrorCode.PostInitializedCustomGetter, property));
}
return(resolver);
}
public static IExpression StackConstructor(NameReference typeName, out NameReference constructorReference,
params FunctionArgument[] arguments)
{
return(ConstructorCall.StackConstructor(typeName, out constructorReference, arguments).Build());
}
public static IExpression StackConstructor(NameReference typeName, params IExpression[] arguments)
{
return(ConstructorCall.StackConstructor(typeName, arguments).Build());
}
public static IExpression StackConstructor(string typeName)
{
return(ConstructorCall.StackConstructor(typeName).Build());
}
public static IExpression StackConstructor(string typeName, params FunctionArgument[] arguments)
{
return(ConstructorCall.StackConstructor(typeName, arguments).Build());
}
public static IExpression StackConstructor(NameReference typeName)
{
return(ConstructorCall.StackConstructor(typeName).Build());
}