public static bool Eval(Bits bits, Dictionary <Expr, int> exprMap, Expr e)
{
var v = new EvalVisitor {
bits = bits,
exprMap = exprMap,
};
v.Visit(e);
return(v.stack.Pop());
}
public StringBuilder Compile()
{
Scope scope = new Scope(mainScope);
SinumerikParser mainParser = new SinumerikParser(new CommonTokenStream(mainLexer), null, _errorTextWriter);
mainParser.BuildParseTree = true;
IParseTree mainTree = mainParser.parse();
// outputTextWriter.Close();
SymbolVisitor mainSymbolVisitor = new SymbolVisitor(functions);
mainSymbolVisitor.Visit(mainTree);
EvalVisitor visitor = new EvalVisitor(scope, functions, _gcodeOutput);
visitor.Visit(mainTree);
return(_gcodeOutput);
}
public SLValue Invoke(String functionName, List <ExpressionContext> param, int countArgs, Dictionary <String, Function> functions, Scope scope, StringBuilder gcodeBuffer)
{
if (countArgs != this._param.Count)
{
throw new Exception("Illegal Function call");
}
Scope scopeNext = new Scope(null); // create function scope
EvalVisitor evalVisitor = new EvalVisitor(scope, functions, null);
for (int i = 0; i < param.Count; i++)
{
if (param[i].ChildCount > 0)
{
SLValue value = evalVisitor.Visit(param[i]);
scopeNext.assignParam(this._param[i].GetText(), value);
}
else
{
SLValue value = scopeNext.GetDefaultValue(this._paramType[i].GetText());
scopeNext.assignParam(this._param[i].GetText(), value);
}
}
EvalVisitor evalVistorNext = new EvalVisitor(scopeNext, functions, gcodeBuffer);
SLValue ret = SLValue.VOID;
try
{
evalVistorNext.Visit(this.block);
}
catch (ReturnValue returnValue)
{
ret = returnValue.value;
}
catch (Exception ex)
{
throw new Exception($"Illegal Function {functionName} call");
}
return(ret);
}
public static void Interpret(string input)
{
try
{
// Add newline to stream
input += Environment.NewLine;
// Convert to CharStream
var stream = new AntlrInputStream(input);
// Feed into lexer
var lexer = new EelooLexer(stream);
// Convert to TokenStream
var tokens = new CommonTokenStream(lexer);
// Create parser and feed it tokens
var parser = new EelooParser(tokens);
parser.AddErrorListener(new SyntaxErrorListener());
// Top Level Rule
var tree = parser.program();
// Create visitor object
EvalVisitor evalVisitor = new EvalVisitor();
// Give public access to the visitor and the global scope
Interpreter.visitor = evalVisitor;
// Visit tree
evalVisitor.Visit(tree);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
throw e;
}
finally { }
}
public SLValue InvokeWithoutArgs(String functionName, Dictionary <String, Function> functions, Scope scope, StringBuilder gcodeBuffer)
{
Scope scopeNext = new Scope(scope);
EvalVisitor evalVistorNext = new EvalVisitor(scopeNext, functions, gcodeBuffer);
SLValue ret = SLValue.VOID;
try
{
evalVistorNext.Visit(this.block);
}
catch (ReturnValue returnValue)
{
ret = returnValue.value;
}
catch (Exception ex)
{
throw new Exception($"Illegal Function {functionName} call");
}
return(ret);
}