public ArrayAssignmentExpression(AssignmentType type, IVariableExpression variable,
ArrayExpression <T, Array <T> > expression)
: base($"{variable.Representation()} {type} {expression.Script()}", variable.VariableType())
{
this.type = type;
this.variable = variable;
this.expression = expression;
arrayType = expression.ArrayType();
// type checking
Assert.IsTrue(variable.VariableType() == expression.Type());
}
public async Task <Value> Visit <A>(IVariableExpression <A> variable) where A : Expression
{
Value result = Context[variable.VariableName];
if (result == null)
{
await Task.Delay(10);
throw new ArgumentException("Variable not found in context");
}
return(result);
}
public AssignmentExpression(AssignmentType type, IVariableExpression variable,
Expression <T> expression, bool returnsValue)
: base($"{variable.Representation()} {type} {expression.Script()}", variable.VariableType())
{
this.type = type;
this.variable = variable;
this.expression = expression;
this.returnsValue = returnsValue;
// type checking
Assert.IsTrue(variable.VariableType() == expression.Type());
if (returnsValue)
{
Assert.IsTrue(typeof(TR) == typeof(T));
}
else
{
Assert.IsTrue(typeof(TR) == typeof(Void));
}
}
public static IArrayExpressionIn AnyAndEvery(IVariableExpression variable) => new QueryTernaryExpression("ANY AND EVERY", variable);
public static IArrayExpressionIn Any(IVariableExpression variable) => new QueryTernaryExpression("ANY", variable);
public static IArrayExpressionIn Every([NotNull] IVariableExpression variable) =>
new QueryTernaryExpression("EVERY",
CBDebug.MustNotBeNull(WriteLog.To.Query, Tag, nameof(variable), variable));
public SortedSet <string> Visit <A>(IVariableExpression <A> variable) where A : Expression
{
return(new SortedSet <string> {
variable.VariableName
});
}
public T Visit <A>(IVariableExpression <A> variable) where A : Expression
{
// when we visit a variable we add it to the set
this.Variables.Add(variable.VariableName);
return(default(T));
}
internal QueryTernaryExpression(string function, IVariableExpression variableName)
{
_function = function;
_variableName = variableName;
}
public bool CompareDimensions(IVariableExpression variable)
{
return(Dimension.DimensionKey.Compare(this.DimensionKey, variable.DimensionKey));
}
