public void CopesWithPropertyAccess()
{
using var f = TestUtilities.LoadTestResource("Fifth.Test.TestSampleCode.property-access.5th");
if (FifthParserManager.TryParseFile <FifthProgram>(f.Path, out var ast, out var errors))
{
var sb = new StringBuilder();
var sut = new CodeGenVisitor(new StringWriter(sb));
sut.VisitFifthProgram(ast);
var generatedCode = sb.ToString();
generatedCode.Should().NotBeNullOrWhiteSpace();
Console.WriteLine(generatedCode);
}
}
public void TestCanBuildBinaryExpression(string fragment, Type leftOperandType, Type rightOperandType, Operator op)
{
if (FifthParserManager.TryParse <Expression>(fragment, out var ast, out var errors))
{
errors.Should().NotBeNull().And.BeEmpty();
ast.Should().NotBeNull();
_ = ast.Should().BeOfType(typeof(BinaryExpression));
var binexp = ast as BinaryExpression;
_ = binexp.Should().NotBeNull();
_ = binexp.Left.Should().NotBeNull().And.BeOfType(leftOperandType);
_ = binexp.Right.Should().NotBeNull().And.BeOfType(rightOperandType);
_ = binexp.Op.Should().Be(op);
}
public void TestCanGatherMultipleDefinitions()
{
var TestProgram = @"main():void {myprint(""hello world"");}
myprint(x: string):void { print(x);}
blah():void{ result: int = 5; return result;}";
if (!FifthParserManager.TryParse <FifthProgram>(TestProgram, out var ast, out var errors))
{
Assert.Fail();
}
var globalScope = ast.NearestScope();
var visitor = new SymbolTableBuilderVisitor();
ast.Accept(visitor);
var symtab = globalScope.SymbolTable;
Assert.That(symtab.Count, Is.EqualTo(5)); // the three above plus two builtins
foreach (var v in symtab.Values.ToArray()[0..2])
