public void IterationDoWhile()
{
var program = new AlgorithmProgram("MyApp");
var firstClass = new AlgorithmClassDeclaration("FirstClass");
var entryPoint = new AlgorithmEntryPointMethod();
/*
* FUNCTION Main()
* y = 0
* i = 0
* DO
* y = y + 10
* i = i + 1
* LOOP WHILE (i < 10)
* RETURN y
* END FUNCTION
*/
entryPoint.Statements.Add(new AlgorithmVariableDeclaration("y")
{
DefaultValue = new AlgorithmPrimitiveExpression(0)
});
var initialization = new AlgorithmVariableDeclaration("i")
{
DefaultValue = new AlgorithmPrimitiveExpression(0)
};
var incrementation = new AlgorithmAssignStatement(new AlgorithmVariableReferenceExpression("i"), new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("i"), AlgorithmBinaryOperatorType.Addition, new AlgorithmPrimitiveExpression(1)));
var condition = new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("i"), AlgorithmBinaryOperatorType.LessThan, new AlgorithmPrimitiveExpression(10));
var stmts = new AlgorithmStatementCollection();
stmts.Add(new AlgorithmAssignStatement(new AlgorithmVariableReferenceExpression("y"), new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("y"), AlgorithmBinaryOperatorType.Addition, new AlgorithmPrimitiveExpression(10))));
entryPoint.Statements.Add(new AlgorithmIterationStatement(initialization, incrementation, condition, true, stmts));
entryPoint.Statements.Add(new AlgorithmReturnStatement(new AlgorithmVariableReferenceExpression("y")));
firstClass.Members.Add(entryPoint);
program.Classes.Add(firstClass);
program.UpdateEntryPointPath();
var algorithmInterpreter = new AlgorithmInterpreter(program);
var task = algorithmInterpreter.StartAsync(debugMode: true);
task.Wait();
Assert.AreEqual(algorithmInterpreter.StateChangeHistory.Count, 160);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[0].State, AlgorithmInterpreterState.Ready);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[1].State, AlgorithmInterpreterState.Preparing);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[2].State, AlgorithmInterpreterState.Running);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[158].LogMessage, "(Main) Return : '100' (type:System.Int32)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[159].State, AlgorithmInterpreterState.Stopped);
Assert.AreEqual(algorithmInterpreter.State, AlgorithmInterpreterState.Stopped);
AlgorithmInterpreter_Test.RunProgramWithoutDebug(program);
}
/// <summary>
/// Initialize a new instance of <see cref="BlockInterpreter"/>
/// </summary>
/// <param name="statements">the list of statements to interpret</param>
/// <param name="debugMode">defines is the debug mode is enabled or not</param>
/// <param name="parentProgramInterpreter">the parent program interpreter</param>
/// <param name="parentMethodInterpreter">the parent method interpreter</param>
/// <param name="parentBlockInterpreter">the parent block interpreter</param>
/// <param name="parentClassInterpreter">the parent class interpreter</param>
internal BlockInterpreter(AlgorithmStatementCollection statements, bool debugMode, ProgramInterpreter parentProgramInterpreter, MethodInterpreter parentMethodInterpreter, BlockInterpreter parentBlockInterpreter, ClassInterpreter parentClassInterpreter)
: base(debugMode)
{
ParentProgramInterpreter = parentProgramInterpreter;
ParentMethodInterpreter = parentMethodInterpreter;
ParentBlockInterpreter = parentBlockInterpreter;
ParentClassInterpreter = parentClassInterpreter;
Statements = statements;
}
public void ReturnInIteration()
{
var program = new AlgorithmProgram("MyApp");
var firstClass = new AlgorithmClassDeclaration("FirstClass");
var entryPoint = new AlgorithmEntryPointMethod();
var initialization = new AlgorithmVariableDeclaration("i")
{
DefaultValue = new AlgorithmPrimitiveExpression(0)
};
var incrementation = new AlgorithmAssignStatement(new AlgorithmVariableReferenceExpression("i"), new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("i"), AlgorithmBinaryOperatorType.Addition, new AlgorithmPrimitiveExpression(1)));
var condition = new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("i"), AlgorithmBinaryOperatorType.LessThan, new AlgorithmPrimitiveExpression(10));
var stmts = new AlgorithmStatementCollection();
stmts.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(true)));
stmts.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(null)));
entryPoint.Statements.Add(new AlgorithmIterationStatement(initialization, incrementation, condition, false, stmts));
entryPoint.Statements.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(false)));
firstClass.Members.Add(entryPoint);
program.Classes.Add(firstClass);
program.UpdateEntryPointPath();
var algorithmInterpreter = new AlgorithmInterpreter(program);
var task = algorithmInterpreter.StartAsync(debugMode: true);
task.Wait();
Assert.AreEqual(algorithmInterpreter.StateChangeHistory.Count, 11);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[0].State, AlgorithmInterpreterState.Ready);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[1].State, AlgorithmInterpreterState.Preparing);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[2].State, AlgorithmInterpreterState.Running);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[8].LogMessage, "Primitive value : 'True' (type:System.Boolean)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[9].LogMessage, "(Main) Return : 'True' (type:System.Boolean)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[10].State, AlgorithmInterpreterState.Stopped);
Assert.AreEqual(algorithmInterpreter.State, AlgorithmInterpreterState.Stopped);
AlgorithmInterpreter_Test.RunProgramWithoutDebug(program);
}
/// <summary>
/// Dispose the resources
/// </summary>
public override void Dispose()
{
Task.Run(() =>
{
Statements = null;
if (Variables != null)
{
foreach (var variable in Variables)
{
var value = variable.Value as IDisposable;
if (value != null)
{
value.Dispose();
}
}
Variables.Clear();
}
Variables = null;
});
}
public void ReturnInCondition()
{
var program = new AlgorithmProgram("MyApp");
var firstClass = new AlgorithmClassDeclaration("FirstClass");
var entryPoint = new AlgorithmEntryPointMethod();
var stmts = new AlgorithmStatementCollection();
stmts.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(true)));
stmts.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(null)));
entryPoint.Statements.Add(new AlgorithmConditionStatement(new AlgorithmPrimitiveExpression(true), stmts, null));
entryPoint.Statements.Add(new AlgorithmReturnStatement(new AlgorithmPrimitiveExpression(false)));
firstClass.Members.Add(entryPoint);
program.Classes.Add(firstClass);
program.UpdateEntryPointPath();
var algorithmInterpreter = new AlgorithmInterpreter(program);
var task = algorithmInterpreter.StartAsync(debugMode: true);
task.Wait();
Assert.AreEqual(algorithmInterpreter.StateChangeHistory.Count, 7);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[0].State, AlgorithmInterpreterState.Ready);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[1].State, AlgorithmInterpreterState.Preparing);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[2].State, AlgorithmInterpreterState.Running);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[3].LogMessage, "Primitive value : 'True' (type:System.Boolean)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[4].LogMessage, "Primitive value : 'True' (type:System.Boolean)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[5].LogMessage, "(Main) Return : 'True' (type:System.Boolean)");
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[6].State, AlgorithmInterpreterState.Stopped);
Assert.AreEqual(algorithmInterpreter.State, AlgorithmInterpreterState.Stopped);
AlgorithmInterpreter_Test.RunProgramWithoutDebug(program);
}
