private CommonTreeNodeStream GenerateTree(CommonTokenStream input)
{
Stopwatch timeNeeded = timeRecording ? new Stopwatch() : null;
if (timeRecording)
{
timeNeeded.Start();
}
// Treewalker: Compiling the abstract syntax tree to storyboard code
var parser = new SGLParser(input);
var ast = (CommonTree)parser.main().Tree;
treeString = ast.ToStringTree();
var astStream = new CommonTreeNodeStream(ast);
// Saving the methods for the treewalker
/*this.methods = parser.methods;
* this.objectMethods = parser.objectMethods;*/
// Print tree
Console.WriteLine("Tree:" + ast.ToStringTree());
if (timeRecording)
{
timeNeeded.Stop();
Console.WriteLine("Time needed for converting the tokens into a tree: " + timeNeeded.ElapsedMilliseconds +
" ms (" + timeNeeded.Elapsed + ")");
}
return(astStream);
}
public Boolean RunTest()
{
try
{
GlobalMemory.Clear();
var sStream = new ANTLRStringStream(input);
var lexer = new SGLLexer(sStream);
var tStream = new CommonTokenStream(lexer);
// Parsing
var parser = new SGLParser(tStream);
var t = (CommonTree)parser.main().Tree;
// Printing tree
Console.WriteLine("; " + t.ToStringTree());
// TreeWalking
var treeStream = new CommonTreeNodeStream(t);
var tw = new SGLTreeWalker(treeStream, true);
AbstractNode returned = tw.main();
returned.Evaluate();
if (debug)
{
realOutput = GlobalMemory.Instance.DebugString;
}
else
{
realOutput = GlobalMemory.Instance.StoryboardCode.ToString();
}
// comparison
realOutput = realOutput.Trim();
output.Trim();
if (output.Equals(realOutput))
{
return(true);
}
else
{
return(false);
}
}
catch (CompilerException ce)
{
Console.WriteLine(ce.GetExceptionAsString());
return(false);
}
catch (Exception ex)
{
Console.WriteLine("Es ist ein Fehler aufgetreten.");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
return(false);
}
}
public Boolean Run()
{
// run lexer on input
var lexer = new SGLLexer(new ANTLRStringStream(Input));
var tokenStream = new CommonTokenStream(lexer);
// run parser on tokens
var parser = new SGLParser(tokenStream);
var ast = (CommonTree)parser.main().Tree;
// maybe test the tree
if (testTree)
{
if (!ast.ToStringTree().Trim().Equals(ExpectedTree.Trim()))
{
result += "Test " + name + "failed! Tree comparison failed!";
result += "Expected tree: " + ExpectedTree.Trim();
result += "Given tree: " + ast.ToStringTree().Trim();
return(false);
}
}
var astStream = new CommonTreeNodeStream(ast);
// run walker on AST
GlobalMemory.Clear();
var treewalker = new SGLTreeWalker(astStream, true);
treewalker.main().Evaluate();
//String output = treewalker.GetStoryboardCode().ToString();
if (testOutput)
{
String output = GlobalMemory.Instance.StoryboardCode.ToString();
if (!output.Trim().Equals(ExpectedOutput.Trim()))
{
result += "Test " + name + "failed! Output comparison failed!";
result += "Expected output: \r\n" + ExpectedOutput.Trim();
result += "Given output: \r\n" + output.Trim();
return(false);
}
}
if (testDebug)
{
String debug = GlobalMemory.Instance.StoryboardCode.ToString();
if (!debug.Trim().Equals(ExpectedDebug.Trim()))
{
result += "Test " + name + "failed! Debug comparison failed!";
result += "Expected debug: \r\n" + ExpectedDebug.Trim();
result += "Given debug: \r\n" + debug.Trim();
return(false);
}
}
return(true);
}