public TinyValue invoke(List <TinyUnityParser.ExpressionContext> args, Dictionary <string, TinyFunction> functions, Scope scope)
{
if (args == null)
{
return(invokeEmpty(functions, scope));
}
if (args.Count() != this.parameters.Count())
{
throw new ArgumentException("Attempted to call function with invalid arguments");
}
Scope functionScope = new Scope(null);
EvalVisitor evisitor = new EvalVisitor(scope, functions);
for (int i = 0; i < this.parameters.Count(); i++)
{
TinyValue val = evisitor.Visit(args[i]);
functionScope.assignParam(this.parameters[i].GetText(), val);
}
EvalVisitor evisitorNext = new EvalVisitor(functionScope, functions);
//Do stuff
TinyValue ret = TinyValue.NULL;
try
{
evisitorNext.Visit(this.functionBlock);
}
catch (ReturnValue returnValue)
{
ret = returnValue.val;
}
return(ret);
}
public TinyValue invokeEmpty(Dictionary <string, TinyFunction> functions, Scope scope)
{
Scope functionScope = new Scope(null);
EvalVisitor evisitorNext = new EvalVisitor(functionScope, functions);
//Do stuff
TinyValue ret = TinyValue.NULL;
try
{
evisitorNext.Visit(this.functionBlock);
}
catch (ReturnValue returnValue)
{
ret = returnValue.val;
}
return(ret);
}
public void init(AntlrInputStream istream)
{
inputStream = istream;
lexer = new TinyUnityLexer(inputStream);
parser = new TinyUnityParser(new CommonTokenStream(lexer));
var ParseTree = parser.parse();
Scope globalScope = new Scope();
Dictionary <string, TinyFunction> functions = new Dictionary <string, TinyFunction>();
SymbolVisitor symVisitor = new SymbolVisitor(functions);
symVisitor.Visit(ParseTree);
EvalVisitor evalVisitor = new EvalVisitor(globalScope, functions);
evalVisitor.Visit(ParseTree);
}