public void Test()
{
try
{
var encoding = new UTF8Encoding();
using var inStream = new MemoryStream();
inStream.Write(encoding.GetBytes("let n : number = 2 * 5 - 3; Print(\"n = \", n);"));
inStream.Seek(0, SeekOrigin.Begin);
IScanner scanner = new Scanner(inStream);
IAstBuilder astBuilder = new AstBuilder();
var parser = new Parser(scanner, astBuilder);
var rootNode = parser.ParseGoal();
ISemanticChecks semanticChecks = new SemanticChecks();
semanticChecks.Check(rootNode);
using var outputStream = File.Create("hello.exe");
ICodeGenerator codeGen = new CodeGenerator();
codeGen.Run(rootNode, "hello", outputStream);
}
catch (Exception e)
{
Console.WriteLine(e);
Console.WriteLine();
throw;
}
}
public void Semantics_WhenValidSemantics_DoesNotThrowException(string input)
{
// Arrange:
var rootNode = BuildAst(input);
ISemanticChecks semanticCheckCheck = new SemanticChecks();
// Act:
semanticCheckCheck.Check(rootNode);
// Assert:
Assert.Pass();
}
public void Semantics_WhenSemanticError_ThrowsSemanticException1(
string input, string expectedMessage)
{
// Arrange:
var rootNode = BuildAst(input);
ISemanticChecks semanticCheckCheck = new SemanticChecks();
// Act:
void Lambda() => semanticCheckCheck.Check(rootNode);
// Assert:
var ex = Assert.Throws <SemanticErrorException>(Lambda);
Assert.That(ex.Message, Is.EqualTo(expectedMessage));
}
public static void Main(string[] args)
{
using var inStream = new FileStream(args[0], FileMode.Open);
inStream.Seek(0, SeekOrigin.Begin);
IScanner scanner = new Scanner(inStream);
IAstBuilder astBuilder = new AstBuilder();
var parser = new Parser(scanner, astBuilder);
var rootNode = parser.ParseGoal();
ISemanticChecks semanticChecks = new SemanticChecks();
semanticChecks.Check(rootNode);
using var outputStream = File.Create("hello");
ICodeGenerator codeGen = new CodeGenerator();
codeGen.Run(rootNode, "hello", outputStream);
}