/// <summary>
/// Uses <see cref="StackFrameParser"/> to parse a line if possible
/// </summary>
public bool TryParseLine(string line, [NotNullWhen(true)] out ParsedFrame?parsedFrame)
{
parsedFrame = null;
var tree = StackFrameParser.TryParse(line);
if (tree is null)
{
return(false);
}
parsedFrame = new ParsedStackFrame(tree);
return(true);
}
private static void Verify(
string input,
StackFrameMethodDeclarationNode?methodDeclaration = null,
bool expectFailure = false,
StackFrameFileInformationNode?fileInformation = null,
StackFrameToken?eolTokenOpt = null)
{
FuzzyTest(input);
var tree = StackFrameParser.TryParse(input);
if (expectFailure)
{
Assert.Null(tree);
return;
}
AssertEx.NotNull(tree);
VerifyCharacterSpans(input, tree);
if (methodDeclaration is null)
{
Assert.Null(tree.Root.MethodDeclaration);
}
else
{
StackFrameUtils.AssertEqual(methodDeclaration, tree.Root.MethodDeclaration);
}
if (fileInformation is null)
{
Assert.Null(tree.Root.FileInformationExpression);
}
else
{
StackFrameUtils.AssertEqual(fileInformation, tree.Root.FileInformationExpression);
}
var eolToken = eolTokenOpt.HasValue
? eolTokenOpt.Value
: CreateToken(StackFrameKind.EndOfFrame, "");
StackFrameUtils.AssertEqual(eolToken, tree.Root.EndOfLineToken);
}
public bool TryParseLine(VirtualCharSequence line, [NotNullWhen(true)] out ParsedFrame?parsedFrame)
{
// Example line:
// ConsoleApp4.dll!ConsoleApp4.MyClass.ThrowAtOne() Line 19 C#
// |--------------------------------|
// Symbol data we care about
parsedFrame = null;
var startPoint = -1;
for (var i = 0; i < line.Length; i++)
{
if (line[i].Value == '!')
{
// +1 here because we always want to skip the '!' character
startPoint = i + 1;
break;
}
}
if (startPoint <= 0 || startPoint == line.Length)
{
return(false);
}
var textToParse = line.GetSubSequence(TextSpan.FromBounds(startPoint, line.Length));
var tree = StackFrameParser.TryParse(textToParse);
if (tree is null)
{
return(false);
}
parsedFrame = new ParsedStackFrame(tree);
return(true);
}