/// <summary>
/// Default function
/// </summary>
/// <para>
/// Creates a copy of a <see cref="DynamicList"/>
/// </para>
/// <param name="list_expr"> the target <see cref="DynamicList"/></param>
/// <returns> A new <see cref="DynamicList"/>. It's values are the same as the target list</returns>
private static Variable copyListFunction(Expression list_expr)
{
// evaluate every expression
Variable var_ = list_expr.evaluate();
Debugging.assert(var_ is DynamicList); // TypeError
DynamicList list = var_ as DynamicList;
// copy list
var raw = new List <dynamic>(list.getRawValue());
return(Variable.fromRawValue(raw));
}
public override void execute()
{
setContext();
// get variable value
Variable variable_value = _var_expr.evaluate();
// is the value assigned ? (only relevant if other variable)
variable_value.assertAssignment();
Variable variable = Variable.fromRawValue(variable_value.getRawValue());
// keep track of source vars -> should do something generic for lots of attributes ...
if (variable is NumericalValue)
{
((NumericalValue)variable).source_vars = new Dictionary <string, NumericalValue>(((NumericalValue)variable_value).source_vars);
}
variable.setName(_var_name);
// explicit typing
if (_var_type != StringConstants.Types.AUTO_TYPE)
{
Debugging.print("checking variable explicit type");
Expression default_value = Global.default_values_by_var_type[_var_type];
Debugging.assert(variable_value.hasSameParent(default_value.evaluate())); // TypeException
}
// constant
if (_constant)
{
if (variable_value.isConst())
{
variable.setConst();
}
else
{
throw new AquilaExceptions.InvalidVariableClassifierException(
"The \"const\" cannot be used when assigning to a non-const value");
}
}
// actually declare it to its value
if (_global)
{
Global.addGlobalVariable(_var_name, variable);
}
else
{
Global.getCurrentDict()[_var_name] = variable; // overwriting is mandatory
Debugging.print("variable exists ", Global.variableExistsInCurrentScope(_var_name));
if (_assignment)
{
variable.assign(); // should not need this, but doing anyway
}
else
{
variable.assigned = false;
}
}
Debugging.print("finished declaration with value assignment: ", variable.assigned);
// automatic tracing ?
if (_assignment && Global.getSetting("auto trace"))
{
Debugging.print("Tracing variable: \"auto trace\" setting set to true");
// Does NOT work by simply doing "variable.startTracing()", and idk why
Tracing tracing_instr = new RawInstruction($"trace ${_var_name}", line_index).toInstr() as Tracing;
//Tracing tracing_instr = new Tracing(line_index, new List<Expression>{_var_expr}); // <- does not work either :(
tracing_instr.execute();
}
// update things 'n stuff
Global.onElementaryInstruction();
// reset Context
Context.reset();
}