internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
_condition.Accept(visitor);
_ifTrue.Accept(visitor);
_ifFalse.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
Target?.Accept(visitor);
_upperBound?.Accept(visitor);
_lowerBound?.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
foreach (var arg in Arguments)
{
arg.Accept(visitor);
}
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
foreach (var projection in _projections)
{
projection.Accept(visitor);
}
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
foreach (var expr in _exprs)
{
expr.Accept(visitor);
}
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
_leftHandSide.Accept(visitor);
foreach (var arg in _arguments.Values)
{
arg.Accept(visitor);
}
}
public override IStatementObject VisitCalculateStatement(SuperReadableParser.CalculateStatementContext context)
{
var expr = context.GetRuleContext <SuperReadableParser.ExprContext>(0);
var visitor = new ExprVisitor();
var exprObj = visitor.Visit(expr);
return(new CalculateStatementObject(exprObj));
}
public Expr Parse(string expression)
{
var input = new AntlrInputStream(expression);
var lexer = new ExprLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new ExprParser(tokens);
var visitor = new ExprVisitor();
return(visitor.Visit(parser.expr()));
}
public override IStatementObject VisitIfStatement(SuperReadableParser.IfStatementContext context)
{
var flag = context.GetRuleContext <SuperReadableParser.ExprContext>(0);
var visitor = new ExprVisitor();
var flagObj = visitor.Visit(flag);
var ifStatementObj = new IfStatementObject(flagObj);
var statements = context.GetRuleContexts <SuperReadableParser.StatementContext>();
foreach (var statement in statements)
{
var statementObj = Visit(statement);
ifStatementObj.Children.Add(statementObj);
}
return(ifStatementObj);
}
public override Tree <Binding> VisitVariable(gramParser.VariableContext context)
{
var name = context.IDENTIFIER().GetText();
if (context.expr() != null)
{
var type = interpreter.Visit(context.expr());
if (type.Type.Check(ValueType.TYPE))
{
return(new Tree <Binding>(new Binding(name, type.Get <IType>())));
}
else if (type.Type.Check(ValueType.LIST))
{
return(new Tree <Binding>(new Binding(name, new ListType(type.Get <IEnumerable <IValue> >(), context.expr().GetText()))));
}
}
return(new Tree <Binding>(new Binding(name)));
}
protected internal virtual ExprAST VisitChildren(ExprVisitor visitor)
{
return visitor.Visit(this);
}
protected internal virtual ExprAST VisitChildren(ExprVisitor visitor)
{
return(visitor.Visit(this));
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
_innerExpression.Accept(visitor);
}
public override R Accept <R>(ExprVisitor <R> visitor)
{
return(visitor.Visit(this));
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
Target.Accept(visitor);
Condition.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
SpreadObject.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
_message.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
LeftHandSide.Accept(visitor);
RightHandSide.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
_obj.Accept(visitor);
_ifIsError.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
Target?.Accept(visitor);
_index.Accept(visitor);
}
//public static void Accept(this ConnectiveExpr visitee, ExprVisitor visitor) => visitor.Visit(visitee);
public static Result Accept <Result>(this Expr visitee, ExprVisitor <Result> visitor)
{
var result = default(Result);
var visited = TryVisitConcreteExpr <ConnectiveExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <PowerExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <MultiplicativeExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <DivisiveExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <ModuloExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <AdditiveExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <SubtractiveExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <FloatLiteral, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <TrackSetLiteral, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <AssocArrayLiteral, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <IdentifierExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <LambdaExpr, Result>(visitee, ref result, c => visitor.Visit(c)) ||
TryVisitConcreteExpr <ModuleParamExpr, Result>(visitee, ref result, c => visitor.Visit(c))
;
if (!visited)
{
throw new Exception($"unknown Command type: {visitee.GetType()}");
}
return(result);
}
public IValue Execute(string code)
{
var parser = getParser(code);
return(interpreter.Visit(parser.prog()));
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
Value.Accept(visitor);
_pipedInto.Accept(visitor);
}
internal override void Accept(ExprVisitor visitor)
{
visitor.Visit(this);
First.Accept(visitor);
Next.Accept(visitor);
}
