/// <summary>
/// Create a ModuleParser
/// </summary>
/// <param name="tokenStream"></param>
/// <param name="exceptionList"></param>
public ModuleParser(TokenIterator tokenStream)
: base(tokenStream)
{
//Create parsers for sub elements in a module
siteParser = new SiteParser(tokenStream);
functionParser = new FunctionParser(tokenStream);
}
private static void ProcessTokens(int lineNumber)
{
try
{
Debug.Assert(_tokens.Count > 0);
string actionType = GetActionType();
switch (actionType)
{
case "#import":
LoadImportScript(_tokens[1]);
return;
case "const":
case "var":
VariableParser.Parse(lineNumber, _LoadedFiles.Peek(), _script, _tokens);
return;
}
ActionBase act = CreateActionObject(actionType);
switch (actionType)
{
case "function":
{
string name = FunctionParser.Parse((Actionfunction)act, _tokens);
if (!_script.AddFunction(name))
{
string msg = "Function [" + name + "] already exists." + Environment.NewLine + "Unable to load script.";
throw new Exception(msg);
}
}
break;
case "call":
CallParser.Parse((Actioncall)act, _tokens);
break;
case "for":
ParseForLoop((Actionfor)act, _tokens);
break;
default:
act.AddParams(_tokens);
break;
}
act.LineNumber = lineNumber;
act.Path2Script = _LoadedFiles.Peek();
_script.AddAction(act);
}
catch
{
_vm.ParseError(_LoadedFiles.Pop(), lineNumber);
throw;
}
}
public void ParseFormalsTest()
{
FunctionParser functionParser = new FunctionParser(Init("(param1, param2)"));
FunctionDefinition functionDefinition = new FunctionDefinition();
functionParser.ParseFormals(functionDefinition);
//Test formals
Assert.AreEqual(2, functionDefinition.GetFormals().Count);
Formal[] formalArray = (Formal[]) functionDefinition.GetFormals().ToArray();
Assert.AreEqual("param1", formalArray[0].ToString());
Assert.AreEqual("param2", formalArray[1].ToString());
}
public void ParseEmptyFunctionDefinitionTest()
{
FunctionParser functionParser = new FunctionParser(Init("home(param1, param2) \n end"));
FunctionDefinition parsedFunctionDefinition = functionParser.ParseFunctionDefinition();
//Test FunctionDefinition
Assert.AreEqual("home", parsedFunctionDefinition.GetIdentifier());
Assert.AreEqual(2, parsedFunctionDefinition.GetFormals().Count);
//Check formals
Formal[] formalArray = (Formal[]) parsedFunctionDefinition.GetFormals().ToArray();
Assert.AreEqual("param1", formalArray[0].ToString());
Assert.AreEqual("param2", formalArray[1].ToString());
}
/// <summary>
/// Create a ModuleParser
/// </summary>
/// <param name="tokenStream"></param>
/// <param name="exceptionList"></param>
public ModuleParser(TokenIterator tokenStream) : base(tokenStream)
{
//Create parsers for sub elements in a module
siteParser = new SiteParser(tokenStream);
functionParser = new FunctionParser(tokenStream);
}
public void ParseFormalTest()
{
FunctionParser functionParser = new FunctionParser(Init("param1"));
Formal parsedFormal = functionParser.ParseFormal();
//Test identifier
Assert.AreEqual("param1", parsedFormal.ToString());
}
