protected bool TryHandleFloatLiteral(string text, out Word result)
{
bool found = false;
try {
double val = Double.Parse(text);
result = new PushStackItemWord(text, new DoubleItem(val));
found = true;
}
catch {
result = null;
found = false;
}
return(found);
}
protected bool TryHandleIntLiteral(string text, out Word result)
{
bool found = false;
try {
int val = Int32.Parse(text);
result = new PushStackItemWord(text, new IntItem(val));
found = true;
}
catch {
result = null;
found = false;
}
return(found);
}
public bool TryFindVariable(string text, out Word result)
{
bool found = false;
if (variables.ContainsKey(text))
{
VariableItem variableItem = variables[text];
result = new PushStackItemWord(text, variableItem);
found = true;
}
else
{
result = null;
found = false;
}
return(found);
}
protected bool TryHandleBoolLiteral(string text, out Word result)
{
if (text == "true")
{
result = new PushStackItemWord(text, new BoolItem(true));
return(true);
}
else if (text == "false")
{
result = new PushStackItemWord(text, new BoolItem(false));
return(true);
}
else
{
result = null;
return(false);
}
}
public bool TryFindWord(string name, out Word result)
{
bool found = false;
// Search through moduleStack
for (int i = moduleStack.Count - 1; i >= 0; i--)
{
found = moduleStack[i].TryFindWord(name, out result);
if (found)
{
return(found);
}
}
// Search registered modules
Module module;
if (registeredModules.TryGetValue(name, out module))
{
result = new PushStackItemWord(name, module);
return(true);
}
// Search through usingModules
for (int i = usingModules.Count - 1; i >= 0; i--)
{
found = usingModules[i].TryFindWord(name, out result);
if (found)
{
return(found);
}
}
result = null;
return(false);
}
