private object CallInternal(RuntimeState state, object instance,
object[] parameterValues, bool wantRefParams,
out bool[] refParams)
{
if (wantRefParams)
refParams = RefParams;
else
refParams = null;
if (parameterValues.Length != parameters.Count)
throw new Exception("TODO Incorrect number of parameters, "
+ "expecting " + parameters.Count + " got "
+ parameterValues.Length);
MethodScope methodScope = new MethodScope(
state.Scope,
instance);
for (int n = 0; n < parameters.Count; n++)
methodScope.SetName(parameters[n], parameterValues[n]);
state.Scope = methodScope;
object returned = codeTree.Run(state);
state.Scope = methodScope.Parent;
for (int n = 0; n < parameters.Count; n++)
parameterValues[n] = methodScope.GetName(parameters[n]);
if (state.Returning == methodScope)
state.Returning = null;
return returned;
}
public object Call(RuntimeState state, object[] parameters,
bool wantRefParams, out bool[] refParams)
{
if (isInstance)
throw new Exception();
return CallInternal(state, null, parameters, wantRefParams,
out refParams);
}
public object Call(RuntimeState state, object instance,
object[] parameters, bool wantRefParams, out bool[] refParams)
{
if (!isInstance)
{
throw new Exception();
}
return(CallInternal(state, instance, parameters, wantRefParams,
out refParams));
}
private object CallInternal(RuntimeState state, object instance,
object[] parameterValues, bool wantRefParams,
out bool[] refParams)
{
if (wantRefParams)
{
refParams = RefParams;
}
else
{
refParams = null;
}
if (parameterValues.Length != parameters.Count)
{
throw new Exception("TODO Incorrect number of parameters, "
+ "expecting " + parameters.Count + " got "
+ parameterValues.Length);
}
MethodScope methodScope = new MethodScope(
state.Scope,
instance);
for (int n = 0; n < parameters.Count; n++)
{
methodScope.SetName(parameters[n], parameterValues[n]);
}
state.Scope = methodScope;
object returned = codeTree.Run(state);
state.Scope = methodScope.Parent;
for (int n = 0; n < parameters.Count; n++)
{
parameterValues[n] = methodScope.GetName(parameters[n]);
}
if (state.Returning == methodScope)
{
state.Returning = null;
}
return(returned);
}
public object Call(RuntimeState state, object[] parameterValues,
bool wantRefParams, out bool[] refParams)
{
int extra;
if (passState)
extra = 1;
else
extra = 0;
object[] actualParameterValues =
new object[extra + parameterValues.Length];
if (passState)
actualParameterValues[0] = state;
for (int n = 0; n < parameterValues.Length; n++)
actualParameterValues[extra + n] = parameterValues[n];
if (wantRefParams)
{
refParams = GetRefParams(method);
if ((refParams != null) && passState)
{
bool[] newRefParams = new bool[refParams.Length - 1];
for (int n = 0; n < newRefParams.Length; n++)
newRefParams[n] = refParams[n + 1];
refParams = newRefParams;
}
}
else
{
refParams = null;
}
object returnValue = method.Invoke(obj, actualParameterValues);
for (int n = 0; n < parameterValues.Length; n++)
parameterValues[n] = actualParameterValues[extra + n];
return returnValue;
}
public void Whitespace(RuntimeState runtimeState)
{
//while (Peek().ToString().Trim().Length == 0)
// Read();
if (!handleWhitespace)
return;
if (position >= length)
return;
if (whitespace == null)
return;
ParserState state = new ParserState(runtimeState);
bool previousHandleWhitespace = handleWhitespace;
handleWhitespace = false;
whitespace.Parse(this, state);
handleWhitespace = previousHandleWhitespace;
}
public ParserState(RuntimeState runtimeState)
{
this.runtimeState = runtimeState;
}
public object Call(RuntimeState state, object[] parameterValues,
bool wantRefParams, out bool[] refParams)
{
return(method.Call(state, instance, parameterValues,
wantRefParams, out refParams));
}
public ParserState(RuntimeState runtimeState)
{
this.runtimeState = runtimeState;
}
public void Import(string fileName)
{
if (!hasBeenSetUp)
throw new Exception();
fileName = pathResolver.Resolve(fileName);
string absoluteFileName = Path.GetFullPath(fileName);
if (imported.Contains(absoluteFileName))
return;
if (verbose)
Console.WriteLine("importing " + fileName);
imported.Add(absoluteFileName);
if (Path.GetExtension(fileName).ToLower() == ".dll")
{
Assembly.LoadFrom(fileName);
}
else
{
pathResolver.PushDirectory(fileName);
Lexer lexer = new Lexer(parseTrace, fileName);
RuntimeState runtimeState = new RuntimeState(this, rootModule);
currentLexer = lexer;
Pattern oldRoot = grammar.RootPattern;
try
{
string extension = Path.GetExtension(fileName).ToLower();
if ((extension != "") && (extension != ".kat"))
{
IDictionary languages = (IDictionary) rootModule.GetName("languages");
object callable = languages[extension];
Type rootType = (Type) CallNode.Call(runtimeState, callable, null);
grammar.RootPattern = Pattern.PatternForType(rootType);
}
grammar.Parse(lexer, runtimeState);
}
catch (Exception exception)
{
if (runtimeState.RunningSource != null)
Console.WriteLine(runtimeState.RunningSource);
throw exception;
}
finally
{
grammar.RootPattern = oldRoot;
}
pathResolver.PopDirectory();
}
}
public void Import(string fileName)
{
if (!hasBeenSetUp)
{
throw new Exception();
}
fileName = pathResolver.Resolve(fileName);
string absoluteFileName = Path.GetFullPath(fileName);
if (imported.Contains(absoluteFileName))
{
return;
}
if (verbose)
{
Console.WriteLine("importing " + fileName);
}
imported.Add(absoluteFileName);
if (Path.GetExtension(fileName).ToLower() == ".dll")
{
Assembly.LoadFrom(fileName);
}
else
{
pathResolver.PushDirectory(fileName);
Lexer lexer = new Lexer(parseTrace, fileName);
RuntimeState runtimeState = new RuntimeState(this, rootModule);
currentLexer = lexer;
Pattern oldRoot = grammar.RootPattern;
try
{
string extension = Path.GetExtension(fileName).ToLower();
if ((extension != "") && (extension != ".kat"))
{
IDictionary languages = (IDictionary)rootModule.GetName("languages");
object callable = languages[extension];
Type rootType = (Type)CallNode.Call(runtimeState, callable, null);
grammar.RootPattern = Pattern.PatternForType(rootType);
}
grammar.Parse(lexer, runtimeState);
}
catch (Exception exception)
{
if (runtimeState.RunningSource != null)
{
Console.WriteLine(runtimeState.RunningSource);
}
throw exception;
}
finally
{
grammar.RootPattern = oldRoot;
}
pathResolver.PopDirectory();
}
}
public object Call(RuntimeState state, object[] parameterValues,
bool wantRefParams, out bool[] refParams)
{
return method.Call(state, instance, parameterValues,
wantRefParams, out refParams);
}