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;
}
public override Value Invoke(List<Value> parameters)
{
if (parameters.Count == parameterNames.Count)
{
// create new scope for the method call
var methodScope = new Scope();
for (int i = 0; i < parameterNames.Count; i++)
{
methodScope.Define(parameterNames[i]);
methodScope.Assign(parameterNames[i], parameters[i]);
}
var nodeStream = new CommonTreeNodeStream(functionBody);
// Create a tree walker to evaluate this method's code block
var walker = new SGLTreeWalker(nodeStream, methodScope);
// Ok, executing the function then
Value returnValue = walker.main().Evaluate();
if (returnValue.Type == ValType.Return)
{
return returnValue.ReturnValue;
}
else
{
return returnValue;
}
// we shouldn't check the return type
/*if (!returnValue.GetVarType().Equals(this.returnType))
{
throw new Exception("The method doesn't return the expected return type (" + returnValue.ToString() + " is not from type " + this.returnType + ")");
}*/
}
throw new CompilerException(definedLine, 318, name, parameterNames.Count.ToString(), parameters.Count.ToString());
}
public Value Invoke(Value objectVar, List<Value> parameters)
{
if (parameters.Count == parameterNames.Count)
{
// create new scope for the method call
var methodScope = new Scope();
methodScope.Define("this");
methodScope.Assign("this", objectVar);
for (int i = 0; i < parameterNames.Count; i++)
{
methodScope.Define(parameterNames[i]);
methodScope.Assign(parameterNames[i], parameters[i]);
}
var nodeStream = new CommonTreeNodeStream(functionBody);
// Create a tree walker to evaluate this method's code block
var walker = new SGLTreeWalker(nodeStream, methodScope);
Value returnValue = null;
// Ok, executing the function then
returnValue = walker.main().Evaluate();
// we shouldn't check the return type
/*if (!returnValue.GetVarType().Equals(this.returnType))
{
throw new Exception("The method doesn't return the expected return type (" + returnValue.ToString() + " is not from type " + this.returnType + ")");
}*/
return returnValue;
}
// TODO: Exception
throw new Exception();
}
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;
}
}
private String GenerateStoryboardCode(CommonTreeNodeStream input)
{
Stopwatch timeNeeded = timeRecording ? new Stopwatch() : null;
if (timeRecording) timeNeeded.Start();
// Parser: Converting the tokens into an abstract syntax tree
var treewalker = new SGLTreeWalker(input, true);
treewalker.main().Evaluate();
//String output = treewalker.GetStoryboardCode().ToString();
String output = GlobalMemory.Instance.StoryboardCode.ToString();
if (timeRecording)
{
timeNeeded.Stop();
Console.WriteLine("Time needed for converting the tree into storyboard code: " +
timeNeeded.ElapsedMilliseconds + " ms (" + timeNeeded.Elapsed + ")");
}
return output;
}
