public IInterpreter Indexer()
{
var interpreter = new Interpreter.Interpreter();
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
AllowInvalidMainResult = true,
DebugThrowOnError = true
}.SetMutability(mutability));
var root_ns = env.Root;
IEnumerable <FunctionParameter> property_parameters = new[] { FunctionParameter.Create("idx", NameFactory.Int64NameReference()) };
NameReference property_typename = NameFactory.Int64NameReference();
var point_type = root_ns.AddBuilder(TypeBuilder.Create("Point")
.SetModifier(EntityModifier.Mutable)
.With(Property.CreateIndexer(env.Options, property_typename,
new[] { VariableDeclaration.CreateStatement("x", NameFactory.Int64NameReference(), Int64Literal.Create("1"),
env.Options.ReassignableModifier()) },
new[] { Property.CreateIndexerGetter(property_typename, property_parameters,
Block.CreateStatement(IfBranch.CreateIf(ExpressionFactory.IsEqual(NameReference.Create("idx"), Int64Literal.Create("17")), new[] {
Return.Create(NameReference.CreateThised("x"))
}, IfBranch.CreateElse(new[] {
Return.Create(Int64Literal.Create("300"))
})))) },
new[] { Property.CreateIndexerSetter(property_typename, property_parameters,
Block.CreateStatement(IfBranch.CreateIf(ExpressionFactory.IsEqual(NameReference.Create("idx"), Int64Literal.Create("17")), new[] {
Assignment.CreateStatement(NameReference.CreateThised("x"),
NameReference.Create(NameFactory.PropertySetterValueParameter))
}))) }
)));
var main_func = root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Int64NameReference(),
Block.CreateStatement(new IExpression[] {
// p = Point() // p.x is initialized with 1
VariableDeclaration.CreateStatement("p", null, ExpressionFactory.StackConstructor(NameReference.Create("Point"))),
// p[17] = 1+p[17]
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create("p"),
FunctionArgument.Create(Int64Literal.Create("17"))),
FunctionCall.Create(NameReference.Create(Int64Literal.Create("1"), NameFactory.AddOperator),
FunctionArgument.Create(FunctionCall.Indexer(NameReference.Create("p"),
FunctionArgument.Create(Int64Literal.Create("17")))))),
// return p[17]
Return.Create(FunctionCall.Indexer(NameReference.Create("p"),
FunctionArgument.Create(Int64Literal.Create("17"))))
})));
ExecValue result = interpreter.TestRun(env);
Assert.AreEqual(2L, result.RetValue.PlainValue);
}
return(interpreter);
}
public IInterpreter MinLimitVariadicFunctionWithSpread()
{
var interpreter = new Interpreter.Interpreter();
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
AllowInvalidMainResult = true,
DebugThrowOnError = true
}.SetMutability(mutability));
var root_ns = env.Root;
root_ns.AddBuilder(FunctionBuilder.Create(
"sum",
ExpressionReadMode.ReadRequired,
NameFactory.Int64NameReference(),
Block.CreateStatement(new IExpression[] {
// let i0 = n.at(0)
VariableDeclaration.CreateStatement("i0", null, FunctionCall.Create(NameReference.Create("n", NameFactory.PropertyIndexerName),
FunctionArgument.Create(NatLiteral.Create("0")))),
// let i1 = n.at(1)
VariableDeclaration.CreateStatement("i1", null, FunctionCall.Create(NameReference.Create("n", NameFactory.PropertyIndexerName),
FunctionArgument.Create(NatLiteral.Create("1")))),
// return i0+i1
Return.Create(ExpressionFactory.Add("i0", "i1"))
}))
.Parameters(FunctionParameter.Create("n", NameFactory.Int64NameReference(), Variadic.Create(2), null, isNameRequired: false)));
var main_func = root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Int64NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("x", null,
ExpressionFactory.HeapConstructor(NameFactory.ChunkNameReference(NameFactory.Int64NameReference()),
FunctionArgument.Create(NatLiteral.Create("2"))),
env.Options.ReassignableModifier()),
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create("x"), FunctionArgument.Create(NatLiteral.Create("0"))),
Int64Literal.Create("-6")),
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create("x"), FunctionArgument.Create(NatLiteral.Create("1"))),
Int64Literal.Create("8")),
Return.Create(FunctionCall.Create(NameReference.Create("sum"),
FunctionArgument.Create(Spread.Create(NameReference.Create("x")))))
})));
ExecValue result = interpreter.TestRun(env);
Assert.AreEqual(2L, result.RetValue.PlainValue);
}
return(interpreter);
}
public IInterpreter StackChunkWithBasicPointers()
{
var interpreter = new Interpreter.Interpreter();
foreach (var mutability in Options.AllMutabilityModes)
{
var env = Language.Environment.Create(new Options()
{
AllowInvalidMainResult = true,
DebugThrowOnError = true
}.SetMutability(mutability));
var root_ns = env.Root;
root_ns.AddBuilder(FunctionBuilder.Create(
"main",
ExpressionReadMode.OptionalUse,
NameFactory.Int64NameReference(),
Block.CreateStatement(new IExpression[] {
VariableDeclaration.CreateStatement("chicken", null,
ExpressionFactory.StackConstructor(NameFactory.ChunkNameReference(NameFactory.PointerNameReference(NameFactory.Int64NameReference())),
FunctionArgument.Create(NatLiteral.Create("2")))),
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create("chicken"), NatLiteral.Create("0")),
ExpressionFactory.HeapConstructor(NameFactory.Int64NameReference(), Int64Literal.Create("-6"))),
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create("chicken"), NatLiteral.Create("1")),
ExpressionFactory.HeapConstructor(NameFactory.Int64NameReference(), Int64Literal.Create("8"))),
Return.Create(ExpressionFactory.Add(FunctionCall.Indexer(NameReference.Create("chicken"), NatLiteral.Create("0")),
FunctionCall.Indexer(NameReference.Create("chicken"), NatLiteral.Create("1"))))
})));
ExecValue result = interpreter.TestRun(env);
Assert.AreEqual(2L, result.RetValue.PlainValue);
}
return(interpreter);
}
public static IExpression InitializeIndexable(string name, params IExpression[] arguments)
{
return(Block.CreateStatement(arguments.ZipWithIndex().Select(it =>
Assignment.CreateStatement(FunctionCall.Indexer(NameReference.Create(name),
FunctionArgument.Create(NatLiteral.Create($"{it.Item2}"))),
it.Item1))));
}
