public void DoubleFunctionDefinition()
{
//First parse the initial file and then request the rest
//Let's lexicalize the file
StreamReader sourceStream = new StreamReader("../../../../TestChecker/WaebricTestFiles/doublefunctiondefinition.wae");
WaebricLexer lexer = new WaebricLexer(sourceStream);
lexer.LexicalizeStream();
TokenIterator tokens = lexer.GetTokenIterator();
//Lets parse the file
WaebricParser parser = new WaebricParser(tokens);
parser.Parse();
SyntaxTree parsedTree = parser.GetTree();
//Initialize ModuleCache with correct DirectoryPath
ModuleCache.Instance.SetDirectoryPath("../../../../TestChecker/WaebricTestFiles/");
//Lets check the tree
WaebricChecker checker = new WaebricChecker();
List<Exception> checkerExceptions = checker.CheckSyntaxTree(parsedTree);
//Exception function already defined should be in list
Assert.AreEqual(1, checkerExceptions.Count);
Assert.AreEqual(typeof(FunctionAlreadyDefined), checkerExceptions.ToArray()[0].GetType());
}
private static String Path; //Path of file to compile
#endregion Fields
#region Methods
public static void Main(string[] args)
{
Console.WriteLine("Waebric Compiler/Interpreter v1.0");
Console.WriteLine("---------------------------------");
if (args.Length == 1)
{ //There is one file specified.
Path = args[0];
}
else
{
Console.WriteLine("WeabricCompiler: no input file specified.");
Console.Read(); //Testing purposes only
return;
}
//Let's lexicalize the file
StreamReader sourceStream = new StreamReader(Path);
WaebricLexer lexer = new WaebricLexer(sourceStream);
lexer.LexicalizeStream();
TokenIterator tokens = lexer.GetTokenIterator();
if (tokens.GetSize() == 0)
{ //Not tokens parsed
Console.WriteLine("WaebricCompiler: Empty file or comments only.");
return; //Nothing to compile so end program
}
//Lets parse the file
WaebricParser parser = new WaebricParser(tokens);
parser.Parse();
SyntaxTree parsedTree = parser.GetTree();
//Initialize ModuleCache with correct DirectoryPath
ModuleCache.Instance.SetDirectoryPath(GetDirectoryPath());
//Lets check the tree
WaebricChecker checker = new WaebricChecker();
checker.CheckSyntaxTree(parsedTree);
//Lets interpret the tree and generate XHTML
WaebricInterpreter interpreter = new WaebricInterpreter();
interpreter.InterpretAST(parsedTree);
}
public void ModuleParserComplexModuleNameTest()
{
SyntaxTree tree;
//Create lexer to tokenize stream
WaebricLexer lexer = new WaebricLexer(new StringReader("module test.test2.test3"));
lexer.LexicalizeStream();
//Retrieve tokenIterator from lexer and lets parse it
WaebricParser parser = new WaebricParser(lexer.GetTokenIterator());
parser.Parse();
//Test if root is modulelist and it contains the right module
tree = parser.GetTree();
Module module = tree.GetRoot();
Assert.AreEqual(3, module.GetModuleId().GetIdentifiers().Count);
Assert.AreEqual("test.test2.test3", module.GetModuleId().ToString());
}
public void WaebricCheckerImportTest()
{
//First parse the initial file and then request the rest
//Let's lexicalize the file
StreamReader sourceStream = new StreamReader("../../../../TestChecker/WaebricTestFiles/home.wae");
WaebricLexer lexer = new WaebricLexer(sourceStream);
lexer.LexicalizeStream();
TokenIterator tokens = lexer.GetTokenIterator();
//Lets parse the file
WaebricParser parser = new WaebricParser(tokens);
parser.Parse();
SyntaxTree parsedTree = parser.GetTree();
//Initialize ModuleCache with correct DirectoryPath
ModuleCache.Instance.SetDirectoryPath("../../../../TestChecker/WaebricTestFiles/");
//Lets check the tree
WaebricChecker checker = new WaebricChecker();
List<Exception> checkerExceptions = checker.CheckSyntaxTree(parsedTree);
//Test output
Assert.AreEqual(0, checkerExceptions.Count);
//Test if all modules except tree root are in cache
Assert.IsTrue(ModuleCache.Instance.ContainsModule("first"));
Assert.IsTrue(ModuleCache.Instance.ContainsModule("second"));
Assert.IsTrue(ModuleCache.Instance.ContainsModule("common"));
}
/// <summary>
/// Request an specified module
/// </summary>
/// <param name="indentifier">ModuleId of requested module</param>
/// <returns>Requested module if available</returns>
public Module RequestModule(ModuleId identifier)
{
if (ModuleTable.ContainsKey(identifier))
{ //Module already loaded so return instance of module
return (Module) ModuleTable[identifier];
}
//Module not cached, so load it
StreamReader moduleStream = new StreamReader(GetPath(identifier));
//Lexicalize and parse it
WaebricLexer lexer = new WaebricLexer(moduleStream);
lexer.LexicalizeStream();
WaebricParser parser = new WaebricParser(lexer.GetTokenIterator());
parser.Parse();
//Get module of tree
SyntaxTree tree = parser.GetTree();
//Add module to hashtable
Module requestedModule = tree.GetRoot();
ModuleTable.Add(identifier, requestedModule);
return requestedModule;
}
public void ModuleParserImportTest()
{
SyntaxTree tree;
//Create lexer to tokenize stream
WaebricLexer lexer = new WaebricLexer(new StringReader("module test\n\nimport importtest"));
lexer.LexicalizeStream();
//Test if stream is lexicalized into 4 tokens
Assert.IsTrue(lexer.GetTokenIterator().GetSize() == 4);
//Retrieve tokenIterator from lexer and lets parse it
WaebricParser parser = new WaebricParser(lexer.GetTokenIterator());
parser.Parse();
//Test tree structure
tree = parser.GetTree();
Module module = tree.GetRoot();
}
public void ModuleParserSingleModuleTest()
{
SyntaxTree tree;
//Create lexer to tokenize stream
WaebricLexer lexer = new WaebricLexer(new StringReader("module test"));
lexer.LexicalizeStream();
//Retrieve tokenIterator from lexer and lets parse it
WaebricParser parser = new WaebricParser(lexer.GetTokenIterator());
parser.Parse();
//Test if root is modulelist and it contains the right module
tree = parser.GetTree();
Module module = tree.GetRoot();
String[] identifiers = module.GetModuleId().GetIdentifiers().ToArray();
Assert.AreEqual(1, identifiers.Length);
Assert.AreEqual("test", identifiers[0]);
}