public GraphicalList(string name, Parser.DynamicList list, Vector3 dimensions, Vector3 position, int representation)
{
this.name = name;
this.list = list;
this.dimensions = dimensions;
this.position = position;
this.representation = representation;
}
/// <summary>
/// Insert the given value in the list at the given index
/// </summary>
/// <param name="list_expr"> The list</param>
/// <param name="index_expr"> The index</param>
/// <param name="value_expr"> The value</param>
/// <returns> <see cref="NullVar"/> (equivalent of null/void)</returns>
private static NullVar insertValueAt(Expression list_expr, Expression index_expr, Expression value_expr)
{
// extract list
Variable list_var = list_expr.evaluate();
Debugging.assert(list_var is DynamicList); // TypeError
DynamicList list = list_var as DynamicList;
// extract index
Variable index_var = index_expr.evaluate();
Debugging.assert(index_var is Integer);
Integer index = index_var as Integer;
// extract var
Variable var_ = value_expr.evaluate();
// insert
list.insertValue(var_, index);
return(new NullVar());
}
/// <summary>
/// Returns a <see cref="Variable"/> instance, corresponding to the value of "o"
/// </summary>
/// <param name="o"> value to interpret as a <see cref="Variable"/></param>
/// <returns> corresponding <see cref="Variable"/></returns>
/// <exception cref="AquilaExceptions.RuntimeError"> Raw type not supported</exception>
public static Variable fromRawValue(dynamic o)
{
if (o is int)
{
return(new Integer(o));
}
if (o is float)
{
return(new FloatVar(o));
}
if (o is bool)
{
return(new BooleanVar(o));
}
if (o is List <dynamic> )
{
return(new DynamicList(DynamicList.valueFromRawList(o)));
}
throw new AquilaExceptions.RuntimeError($"Raw type \"{o.GetType()}\" not supported");
}
public void Start()
{
GraphicalList graphList = gameObject.AddComponent <GraphicalList>();
List <int> testList = new List <int>()
{
5, 4, 3, 2, 1
};
Parser.DynamicList list_test = Parser.VariableUtils.createDynamicList(testList);
(list_test.atIndex(new Parser.Integer(0))).setName("int1");
(list_test.atIndex(new Parser.Integer(1))).setName("int2");
(list_test.atIndex(new Parser.Integer(2))).setName("int3");
(list_test.atIndex(new Parser.Integer(3))).setName("int4");
(list_test.atIndex(new Parser.Integer(4))).setName("int5");
Dictionary <string, GameObject> list_dict_test = new Dictionary <string, GameObject>();
graphList.list_dict = list_dict_test;
graphList.list = list_test;
graphList.drawObject(); // To update the dictionary
/* INSERT DEMO
* Parser.Integer insert_numb = new Parser.Integer(5);
* insert_numb.setName("int6");
*
* graphList.insert(new Parser.Integer(2), insert_numb); // tester avec les index qui se trouvent a l'extremite
*/
/* REMOVE DEMO
* graphList.remove(new Parser.Integer(1));
*/
/* SWAP DEMO
* graphList.swap(new Parser.Integer(1), new Parser.Integer(4));
*/
/*float t = Time.time;
*
* while (t < Time.time - 2)
* {
*
* }*/
//Thread.Sleep(1000);
//Debug.Log("Animation finished!");
StartCoroutine(testTimeDelay());
/* BUBBLE SORT DEMO
* StartCoroutine(bubbleSort());
*/
IEnumerator testTimeDelay()
{
graphList.swap(new Parser.Integer(1), new Parser.Integer(4));
yield return(new WaitForSeconds(10f));
graphList.remove(new Parser.Integer(1));
}
IEnumerator bubbleSort()
{
for (int j = 0; j <= list_test.length().getValue() - 2; j++)
{
for (int i = 0; i <= list_test.length().getValue() - 2; i++)
{
if (list_test.atIndex(new Parser.Integer(i)).getValue() > list_test.atIndex(new Parser.Integer(i + 1)).getValue())
{
graphList.swap(new Parser.Integer(i), new Parser.Integer(i + 1));
yield return(new WaitForSeconds(2.5f));
}
}
}
}
/*IEnumerator TimeDelayFunction()
* {
*
* for (int j = 0; j <= list_test.length().getValue() - 2; j++)
* {
* for (int i = 0; i <= list_test.length().getValue() - 2; i++)
* {
* if (list_test.atIndex(new Parser.Integer(i)).getValue() > list_test.atIndex(new Parser.Integer(i + 1)).getValue())
* {
* graphList.swap(new Parser.Integer(i), new Parser.Integer(i + 1));
* yield return new WaitForSeconds(1f);
* }
* }
* }
* /*
* int smallest;
*
* for (int i = 0; i < list_test.length().getValue() - 1; i++)
* {
* smallest = i;
* for (int j = i + 1; j < list_test.length().getValue(); j++)
* {
* if (list_test.atIndex(new Parser.Integer(j)).getValue() < list_test.atIndex(new Parser.Integer(smallest)).getValue())
* {
* smallest = j;
* }
* }
*
* graphList.swap(new Parser.Integer(smallest), new Parser.Integer(i));
* yield return new WaitForSeconds(1f);
* }
*
* Debug.Log("List is sorted !");
* }
*/
}
/// <summary>
/// Takes an arithmetical or logical expression and returns the corresponding variable
/// <para/>Examples:
/// <para/>* "5 + 6" : returns Integer (11)
/// <para/>* "$l[5 * (1 - $i)]" : returns the elements at index 5*(1-i) in the list "l"
/// <para/>* "$l" : returns the list variable l
/// </summary>
/// <param name="expr_string"> expression to parse</param>
/// <returns> Variable object containing the value of the evaluated expression value (at time t)</returns>
public static Variable parse(string expr_string)
{
/* Order of operations:
* checking expression string integrity
* raw dynamic list
* clean redundant symbols
* raw integer value
* raw boolean value (not done yet)
* raw float value (not done yet)
* mathematical or logical operation
* function call
* variable access (e.g. $name or in list by index)
*/
// clean expression
expr_string = StringUtils.normalizeWhiteSpaces(expr_string);
Exception invalid_expr_exception =
new AquilaExceptions.SyntaxExceptions.SyntaxError($"The sentence \"{expr_string}\" is not understood");
Debugging.print("input expression: " + expr_string);
// matching parentheses & brackets
Debugging.assert(StringUtils.checkMatchingDelimiters(expr_string, '(', ')'),
new AquilaExceptions.SyntaxExceptions.UnclosedTagError("Unclosed parenthesis"));
Debugging.assert(StringUtils.checkMatchingDelimiters(expr_string, '[', ']'),
new AquilaExceptions.SyntaxExceptions.UnclosedTagError("Unclosed bracket"));
expr_string = StringUtils.removeRedundantMatchingDelimiters(expr_string, '(', ')');
Debugging.print("dynamic list ?");
// dynamic list
{
DynamicList list = StringUtils.parseListExpression(expr_string);
if (list != null)
{
return(list);
}
}
// now that lists are over, check for redundant brackets
expr_string = StringUtils.removeRedundantMatchingDelimiters(expr_string, '[', ']');
if (expr_string == null)
{
throw new AquilaExceptions.SyntaxExceptions.SyntaxError("Null Expression");
}
Debugging.assert(expr_string != ""); //! NullValue here, instead of Exception
Debugging.print("int ?");
// try evaluating expression as an integer
if (int.TryParse(expr_string, out int int_value))
{
return(new Integer(int_value, true));
}
Debugging.print("bool ?");
// try evaluating expression as a boolean
if (expr_string == "true")
{
return(new BooleanVar(true, true));
}
if (expr_string == "false")
{
return(new BooleanVar(false, true));
}
Debugging.print("float ?");
// try evaluating expression as float
if (!expr_string.Contains(' '))
{
if (float.TryParse(expr_string, out float float_value))
{
Debugging.print("french/classic float");
return(new FloatVar(float_value, true));
}
if (float.TryParse(expr_string.Replace('.', ','), out float_value))
{
Debugging.print("normalized float");
return(new FloatVar(float_value, true));
}
if (expr_string.EndsWith("f") &&
float.TryParse(expr_string.Substring(0, expr_string.Length - 1), out float_value))
{
Debugging.print("f-float");
return(new FloatVar(float_value, true));
}
if (expr_string.EndsWith("f") &&
float.TryParse(expr_string.Replace('.', ',').Substring(0, expr_string.Length - 1), out float_value))
{
Debugging.print("f-float");
return(new FloatVar(float_value, true));
}
}
Debugging.print("checking for negative expression");
// special step: check for -(expr)
if (expr_string.StartsWith("-"))
{
Debugging.print("evaluating expression without \"-\" sign");
string opposite_sign_expr = expr_string.Substring(1); // take away the "-"
Variable opposite_sign_var = parse(opposite_sign_expr);
Debugging.print("evaluated expression without the \"-\" symbol is of type ", opposite_sign_var.getTypeString(), " and value ", opposite_sign_var.getValue());
// ReSharper disable once ConvertIfStatementToSwitchExpression
if (opposite_sign_var is Integer)
{
return(new Integer(-opposite_sign_var.getValue()));
}
if (opposite_sign_var is FloatVar)
{
return(new FloatVar(-opposite_sign_var.getValue()));
}
throw new AquilaExceptions.InvalidTypeError($"Cannot cast \"-\" on a {opposite_sign_var.getTypeString()} variable");
}
Debugging.print("AL operations ?");
// mathematical and logical operations
foreach (char op in Global.al_operations)
{
// ReSharper disable once PossibleNullReferenceException
if (expr_string.Contains(op.ToString()))
{
string simplified = StringUtils.simplifyExpr(expr_string, new [] { op }); // only look for specific delimiter
// more than one simplified expression ?
if (simplified.Split(op).Length > 1)
{
Debugging.print("operation ", expr_string, " and op: ", op);
List <string> splitted_str =
StringUtils.splitStringKeepingStructureIntegrity(expr_string, op, Global.base_delimiters);
// custom: logic operations laziness here (tmp) //!
Variable variable = parse(splitted_str[0]);
if (Global.getSetting("lazy logic") && variable is BooleanVar)
{
Debugging.print("lazy logic evaluation");
bool first = (variable as BooleanVar).getValue();
switch (op)
{
case '|': // when first:
if (first)
{
return(new BooleanVar(true, true));
}
break;
case '&': // when !first:
if (!first)
{
return(new BooleanVar(false, true));
}
break;
}
}
var splitted_var = new List <Variable> {
variable
};
splitted_var.AddRange(splitted_str.GetRange(1, splitted_str.Count - 1).Select(parse));
// reduce the list to a list of one element
// e.g. expr1 + expr2 + expr3 => final_expr
while (splitted_var.Count > 1)
{
// merge the two first expressions
Variable expr1_var = splitted_var[0];
Variable expr2_var = splitted_var[1];
Variable result = applyOperator(expr1_var, expr2_var, op);
// merge result of 0 and 1
splitted_var[0] = result;
// remove 1 (part of it found in 0 now)
splitted_var.RemoveAt(1);
}
return(splitted_var[0]);
}
}
}
Debugging.print("not (!) operator ?");
// '!' operator (only one to take one variable)
if (expr_string.StartsWith("!"))
{
Debugging.assert(expr_string[1] == '(');
Debugging.assert(expr_string[expr_string.Length - 1] == ')');
Variable expr = parse(expr_string.Substring(2, expr_string.Length - 3));
Debugging.assert(expr is BooleanVar);
Debugging.print("base val b4 not operator is ", expr.getValue());
return(((BooleanVar)expr).not());
}
Debugging.print("value function call ?");
// value function call
if (expr_string.Contains("("))
{
string function_name = expr_string.Split('(')[0]; // extract function name
int func_call_length = function_name.Length;
function_name = StringUtils.normalizeWhiteSpaces(function_name);
Debugging.print("function name: ", function_name);
Functions.assertFunctionExists(function_name);
expr_string = expr_string.Substring(func_call_length); // remove function name
expr_string = expr_string.Substring(1, expr_string.Length - 2); // remove parenthesis
Debugging.print("expr_string for function call ", expr_string);
var arg_list = new List <Expression>();
foreach (string arg_string in StringUtils.splitStringKeepingStructureIntegrity(expr_string, ',', Global.base_delimiters))
{
string purged_arg_string = StringUtils.normalizeWhiteSpaces(arg_string);
Expression arg_expr = new Expression(purged_arg_string);
arg_list.Add(arg_expr);
}
if (arg_list.Count == 1 && arg_list[0].expr == "")
{
arg_list = new List <Expression>();
}
Debugging.print("creating value function call with ", arg_list.Count, " parameters");
FunctionCall func_call = new FunctionCall(function_name, arg_list);
return(func_call.callFunction());
}
// function call without parenthesis -> no parameters either
if (!expr_string.StartsWith(StringConstants.Other.VARIABLE_PREFIX) && !expr_string.Contains(' '))
{
Debugging.print($"Call the function \"{expr_string}\" with no parameters");
var func_call = new FunctionCall(expr_string, new List <Expression>());
return(func_call.callFunction());
}
Debugging.print("variable ?");
// variable access
// since it is the last possibility for the parse call to return something, assert it is a variable
Debugging.assert(expr_string.StartsWith(StringConstants.Other.VARIABLE_PREFIX), invalid_expr_exception);
Debugging.print("list access ?");
// ReSharper disable once PossibleNullReferenceException
if (expr_string.Contains("["))
{
// brackets
Debugging.assert(expr_string.EndsWith("]"), invalid_expr_exception); // cannot be "$l[0] + 5" bc AL_operations have already been processed
int bracket_start_index = expr_string.IndexOf('[');
Debugging.assert(bracket_start_index > 1, invalid_expr_exception); // "$[$i - 4]" is not valid
// variable
Expression var_name_expr = new Expression(expr_string.Substring(0, bracket_start_index));
Debugging.print("list name: " + var_name_expr.expr);
// index list
IEnumerable <string> index_list = StringUtils.getBracketsContent(expr_string.Substring(bracket_start_index));
string index_list_expr_string = index_list.Aggregate("", (current, s) => current + s + ", ");
index_list_expr_string = "[" + index_list_expr_string.Substring(0, index_list_expr_string.Length - 2) + "]";
var index_list_expr = new Expression(index_list_expr_string);
Debugging.print("index: " + index_list_expr.expr);
// create a value function call (list_at call)
object[] args = { var_name_expr, index_list_expr };
return(Functions.callFunctionByName("list_at", args));
}
// only variable name, no brackets
Debugging.print("var by name: ", expr_string);
return(variableFromName(expr_string));
}
/// <summary>
/// Get the value at the index in a list
/// </summary>
/// <param name="list_expr"> The list</param>
/// <param name="index_list_expr"> The index</param>
/// <returns></returns>
private static Variable listAtFunction(Expression list_expr, Expression index_list_expr)
{
// extract list
Variable list_var = list_expr.evaluate();
Debugging.assert(list_var is DynamicList); // TypeError
DynamicList list = list_var as DynamicList;
// extract index
Variable index_list_var = index_list_expr.evaluate();
Debugging.assert(index_list_var is DynamicList); // TypeError
DynamicList index_list = index_list_var as DynamicList;
/*// test run ?
* if (Global.getSetting("test mode"))
* {
* // function to add to index dict
* void addToIndexList(string var_name)
* {
* if (var_name == "") return;
* var index_var_name_list = (List<string>) Global.test_values["index values"];
* // variable name already in index dict ?
* if (index_var_name_list.Contains(var_name)) return;
* // add to index dict
* index_var_name_list.Add(var_name);
* }
* }*/
// access at index
Variable result = list.atIndexList(index_list);
// trace list
if (!list_var.isTraced())
{
return(result);
}
Tracer.printTrace("list_at last event: " + list_var.tracer.peekEvent());
handleValueFunctionTracing("list_at", list,
new dynamic[] { index_list.getValue() });
// trace index
//Tracer.printTrace("tmp list at ", index_list.toString());
/*var index_list_var_value = index_list_var.getValue();
* for (int i = 0; i < index_list_var_value.Count; i++)
* {
* Variable index_var = index_list_var_value[i];
* var numeric_index = (NumericalValue) index_var;
* NumericalValue source = numeric_index.getTracedSource();
* if (source == null)
* {
* Tracer.printTrace("tmp index without source var");
* numeric_index.setName($"comp /{i}/");
* list.tracer.update(new Event(new Alteration("tmp_list_at", numeric_index,
* numeric_index.getValue(), new[] {list.getName(), index_list.getValue()},
* mode:"index")));
* continue;
* }
*
* Tracer.printTrace("Traced source var: " + source.getName());
* numeric_index.setName($"comp /{i}/");
* list.tracer.update(new Event(new Alteration("tmp_list_at", numeric_index,
* numeric_index.getValue(), new[] {list.getName(), index_list.getValue()},
* mode:"index")));
* }*/
return(result);
}