public void ItUsesTextWindowWhenNothingIsNeeded()
{
var compilation = new SmallBasicCompilation("x = 1");
compilation.Analysis.UsesTextWindow.Should().Be(true);
compilation.Analysis.UsesGraphicsWindow.Should().Be(false);
}
private static async Task <SmallBasicEngine> VerifyRuntimeAux(this SmallBasicCompilation compilation, IEngineLibraries libraries, string memoryContents)
{
compilation.VerifyDiagnostics();
SmallBasicEngine engine = new SmallBasicEngine(compilation, libraries);
while (engine.State != ExecutionState.Terminated)
{
engine.State.Should().Be(ExecutionState.Running, "loggers cannot move to another state");
await engine.Execute().ConfigureAwait(false);
}
DebuggerSnapshot snapshot = engine.GetSnapshot();
snapshot.ExecutionStack.Should().BeEmpty();
if (!memoryContents.IsDefault())
{
string values = Environment.NewLine
+ snapshot.Memory.Select(pair => $"{pair.Key} = {pair.Value.ToDisplayString()}").Join(Environment.NewLine);
values.Should().Be(memoryContents);
}
return(engine);
}
public void ItDoesNotUseGraphicsWindowWhenNotNeeded()
{
var compilation = new SmallBasicCompilation("TextWindow.WriteLine(5)");
compilation.Analysis.UsesTextWindow.Should().Be(true);
compilation.Analysis.UsesGraphicsWindow.Should().Be(false);
}
static CompilationStore()
{
Compilation = new SmallBasicCompilation(
@"' A new Program!
TextWindow.WriteLine(""What is your name?"")
name = TextWindow.Read()
TextWindow.WriteLine(""Hello "" + name + ""!"")");
}
public static SmallBasicCompilation VerifyDiagnostics(this SmallBasicCompilation compilation, params Diagnostic[] diagnostics)
{
string[] textLines = Regex.Split(compilation.Text, @"\r?\n");
string expected = SerializeDiagnostics(textLines, diagnostics);
string actual = SerializeDiagnostics(textLines, compilation.Diagnostics);
expected.Should().Be(actual);
return(compilation);
}
public static void NotifyCodeChanged(string code)
{
Compilation = new SmallBasicCompilation(code);
if (!CodeChanged.IsDefault())
{
CodeChanged();
}
}
public static async Task <SmallBasicEngine> VerifyLoggingRuntime(this SmallBasicCompilation compilation, string expectedLog = default, string memoryContents = default)
{
StringBuilder log = new StringBuilder();
var engine = await VerifyRuntimeAux(compilation, new LoggingEngineLibraries(log), memoryContents).ConfigureAwait(false);
if (!expectedLog.IsDefault())
{
(Environment.NewLine + log.ToString()).Should().Be(expectedLog);
}
return(engine);
}
public static async Task <SmallBasicEngine> VerifyExecutionState(this SmallBasicCompilation compilation, ExecutionState executionState, ExecutionMode mode = ExecutionMode.RunToEnd)
{
compilation.VerifyDiagnostics();
SmallBasicEngine engine = new SmallBasicEngine(compilation, new LibrariesCollection());
engine.Mode = mode;
await engine.Execute().ConfigureAwait(false);
engine.State.Should().Be(executionState);
return(engine);
}
internal RuntimeAnalysis(SmallBasicCompilation compilation)
{
Debug.Assert(!compilation.Diagnostics.Any(), "Cannot analyze a compilation with errors.");
this.Compilation = compilation;
this.Visit(this.Compilation.MainModule);
foreach (var subModule in this.Compilation.SubModules.Values)
{
this.Visit(subModule);
}
if (!this.UsesGraphicsWindow)
{
this.UsesTextWindow = true;
}
}
private static void TestForHover(string text, params string[] expectedHover)
{
var markerCompilation = new SmallBasicCompilation(text);
var marker = markerCompilation.Diagnostics.Single(d => d.Code == DiagnosticCode.UnrecognizedCharacter && d.Args.Single() == "$");
var start = marker.Range.Start;
var end = marker.Range.End;
start.Line.Should().Be(end.Line);
start.Column.Should().Be(end.Column);
var compilation = new SmallBasicCompilation(text.Replace("$", string.Empty, StringComparison.CurrentCulture));
var hover = compilation.ProvideHover((start.Line, start.Column));
hover.Should().Equal(expectedHover);
}
public static Task <SmallBasicEngine> VerifyRealRuntime(this SmallBasicCompilation compilation, string memoryContents = default)
{
return(VerifyRuntimeAux(compilation, new LibrariesCollection(), memoryContents));
}