private AssignCommand parseAssign()
{
AssignCommand assignCommand = new AssignCommand(CurrentToken.Line, new IdentifierPE(CurrentToken.Line, parseIdentifier()));
if (accept(_assign))
{
if (Peek() == _operator)
{
assignCommand.Expression = parseExpression();
}
else
{
switch (CurrentToken.getType())
{
case _condition: assignCommand.AssignTo = new ConditionPE(CurrentToken.Line, parseCondition());
break;
case _identifier: assignCommand.AssignTo = new IdentifierPE(CurrentToken.Line, parseIdentifier());
break;
case _literalString: assignCommand.AssignTo = new LiteralString(CurrentToken.Line, parseLiteral());
break;
case _literalInt: assignCommand.AssignTo = new LiteralInt(CurrentToken.Line, parseLiteral());
break;
}
}
return(assignCommand);
}
return(null);
}
public void visit(AssignCommand that)
{
Console.Write("{0} = ", that.Name);
// we must explicitly walk all children of all nodes...
that.Expression.visit(this);
Console.WriteLine(";");
}
private void DoAnalyse(Command node)
{
if (node is LetCommand)
{
LetCommand letCommand = (LetCommand)node;
DeclarationCheck(letCommand.SequentialDeclaration);
AnalyseCommands(letCommand.SequentialCommand);
RemoveScope(letCommand.SequentialDeclaration);
}
if (node is AssignCommand)
{
AssignCommand assignCommand = (AssignCommand)node;
string type = "";
AnalyseAssignment(assignCommand, type);
}
if (node is IfCommand)
{
IfCommand ifCommand = (IfCommand)node;
AnalyzeCondition(ifCommand.Expression);
DoAnalyse(ifCommand.ThenCommand);
DoAnalyse(ifCommand.ElseCommand);
}
}
public void Execute_Success()
{
//Arrange
Commons.currentTeam = new Team("TeamName");
Commons.currentBoard = new Board("BoardName");
Commons.currentTeam.Boards.Add(Commons.currentBoard);
var fakeMember = new Member("TestMemberName");
var fakeCurrTeam = Commons.currentTeam;
var fakeCurrBoard = Commons.currentBoard;
fakeCurrTeam.Members.Add(fakeMember);
var listParams = new List <string>()
{
"TestMemberName", "WorkItemTitle"
};
var workItem = new Bug("WorkItemTitle", "WorkItemDescription", Priority.High, Severity.Critical);
fakeCurrBoard.WorkItems.Add(workItem);
var sut = new AssignCommand(listParams);
//Act
var result = sut.Execute();
//Assert
Assert.AreEqual(result, "TestMemberName has been assigned to WorkItemTitle");
}
public void Execute_NonAssigneeType_ThrowEx()
{
//Arrange
Commons.currentTeam = new Team("TeamName");
Commons.currentBoard = new Board("BoardName");
Commons.currentTeam.Boards.Add(Commons.currentBoard);
var fakeMember = new Member("TestMemberName");
var fakeCurrTeam = Commons.currentTeam;
var fakeCurrBoard = Commons.currentBoard;
fakeCurrTeam.Members.Add(fakeMember);
var listParams = new List <string>()
{
"TestMemberName", "WorkItemTitle"
};
var workItem = new Feedback("WorkItemTitle", "WorkItemDescription", 3);
fakeCurrBoard.WorkItems.Add(workItem);
var sut = new AssignCommand(listParams);
//Act & Assert
Assert.ThrowsException <ArgumentException>(() => sut.Execute(), $"Work item WorkItemTitle is of type feedback and it is not supposed to have assignee.");
}
// Commands
public Void VisitAssignCommand(AssignCommand ast, Frame frame)
{
var valSize = ast.Expression.Visit(this, frame);
EncodeAssign(ast.Vname, frame.Expand(valSize), valSize);
return(null);
}
public Void VisitAssignCommand(AssignCommand ast, Frame frame)
{
int valSize = ast.Expression.Visit(this, frame);
EncodeAssign(ast.Identifier, frame.Expand(valSize), valSize);
return(null);
}
public Void VisitAssignCommand(AssignCommand ast, Void arg)
{
TypeDenoter identifierType = ast.Identifier.Visit(this, null).Type;
TypeDenoter expressionType = ast.Expression.Visit(this, null);
CheckAndReportError(ast.Identifier.IsVariable, "LHS of assignment is not a variable", ast.Identifier);
CheckAndReportError(expressionType.Equals(identifierType), "assignment incompatibilty", ast);
return(null);
}
public void ShouldAssignJobToMachine()
{
var machine = new Machine(new Job());
var assignCommand = new AssignCommand(machine);
machineController.SetCommand(assignCommand);
machineController.Command.Execute();
Assert.AreEqual(machine.JobStatus, JobStatus.Assgined);
}
public void AssignCommand_AssignMemberToWorkItem()
{
var factory = new Mock <IFactory>();
var command = new AssignCommand(new List <string>()
{
"Member1", "2"
}, database, factory.Object);
Assert.AreEqual("Work item: '2' assigned to 'Member1'.", command.Execute());
}
// Commands
public Void VisitAssignCommand(AssignCommand ast, Void arg)
{
var vnameType = ast.Vname.Visit(this);
var expressionType = ast.Expression.Visit(this);
CheckAndReportError(ast.Vname.IsVariable, "LHS of assignment is not a variable",
ast.Vname);
CheckAndReportError(expressionType.Equals(vnameType), "assignment incompatibilty", ast);
return(null);
}
public void Execute_Less_Params_ThrowEx()
{
//Arrange
var listParams = new List <string>()
{
"TeamMemberName"
};
var sut = new AssignCommand(listParams);
//Act & Assert
Assert.ThrowsException <ArgumentException>(() => sut.Execute(), "Parameters count is not valid!");
}
public object visitAssignCommand(AssignCommand command, object arg)
{
Type vType = (Type)command.vname.visit(this, null);
Type eType = (Type)command.exp.visit(this, null);
if (!command.vname.Variable)
{
UI.Error("Contextual Error\nRule V:= Expr\nV is not a variable!");
}
if (!eType.Equals(vType))
{
UI.Error("Contextual Error\nRule V:= Expr\n V and Expr are not of equivalent Types!");
}
return(null);
}
private void AnalyseAssignment(AssignCommand assignCommand, string type)
{
variableExists(assignCommand.Identifier);
type = table[assignCommand.Identifier.getName()];
if (assignCommand.Expression != null)
{
Expression expression = assignCommand.Expression;
AnalysePrimaryExpression(expression.getP1, type);
AnalysePrimaryExpression(expression.getP2, type);
AnalyzeOperator(expression.GetOperator(), type);
}
if (assignCommand.AssignTo != null)
{
variableExists(assignCommand.AssignTo);
CheckType(type, assignCommand.AssignTo);
}
}
Command parseCommand()
{
Command C = null;
if (CurrentToken == null)
return null;
switch (CurrentToken.getType())
{
case If:
accept(If);
Expression E = parseExpression();
accept(Then);
Command C1 = parseCommand();
accept(Else);
Command C2 = parseCommand();
C = new IfCommand(E, C1, C2);
break;
case Identifier:
Identifier I = parseIdentifier();
accept(Becomes);
Expression E1 = parseExpression();
C = new AssignCommand(I, E1);
break;
case Let:
accept(Let);
Declaration D = parseDeclaration();
accept(In);
Command C3 = parseCommand();
C = new letCommand(D, C3);
break;
default:
Console.WriteLine("Syntax Error in Command at token: " + CurrentToken.getSpelling());
C = null;
break;
}
return C;
}
public void Execute_NonExistingWorkItem_ThrowEx()
{
//Arrange
Commons.currentTeam = new Team("TeamName");
Commons.currentBoard = new Board("BoardName");
Commons.currentTeam.Boards.Add(Commons.currentBoard);
var fakeCurrTeam = Commons.currentTeam;
var fakeCurrBoard = Commons.currentBoard;
var listParams = new List <string>()
{
"TestMemberName", "WorkItemTitle"
};
var sut = new AssignCommand(listParams);
//Act & Assert
Assert.ThrowsException <ArgumentException>(() => sut.Execute(), $"Work item with title WorkItemTitle does not exist in board {fakeCurrBoard.Name}.");
}
public void visit(AssignCommand that)
{
// determine the type of the right-hand-side (RHS) by visiting it
that.Expression.visit(this);
// check that the symbol exists - by trying to look it up
Declaration declaration = _symbols.Lookup(that.Name);
if (declaration == null)
{
throw new CheckerError(that.Position, "Variable '" + that.Name + "' not declared in assignment statement");
}
// check that the symbol is indeed a variable
switch (declaration.Kind)
{
case SymbolKind.Constant:
throw new CheckerError(that.Position, "Cannot assign to a constant");
case SymbolKind.Function:
throw new CheckerError(that.Position, "Cannot assign to a function");
case SymbolKind.Parameter:
throw new CheckerError(that.Position, "Cannot call parameter");
case SymbolKind.Variable:
break;
default:
throw new CheckerError(that.Position, "Unknown symbol kind: " + declaration.Kind.ToString());
}
// check that the types of the left-hand-side is equal to the type of the right-hand-side
TypeKind firstType = declaration.Type.Kind;
TypeKind otherType = that.Expression.Type.Kind;
if (firstType != otherType)
{
throw new CheckerError(that.Position, "Type mismatch in assignment");
}
}
public void Execute_NonExistingMember_ThrowEx()
{
//Arrange
Commons.currentTeam = new Team("TeamName");
Commons.currentBoard = new Board("BoardName");
Commons.currentTeam.Boards.Add(Commons.currentBoard);
var fakeCurrTeam = Commons.currentTeam;
var fakeCurrBoard = Commons.currentBoard;
var listParams = new List <string>()
{
"TestMemberName", "WorkItemTitle"
};
var workItem = new Bug("WorkItemTitle", "WorkItemDescription", Priority.High, Severity.Critical);
fakeCurrBoard.WorkItems.Add(workItem);
var sut = new AssignCommand(listParams);
//Act & Assert
Assert.ThrowsException <ArgumentException>(() => sut.Execute(), $"Member with name TestMemberName does not exist in team {fakeCurrTeam.Name}.");
}
public async Task <IActionResult> Assign(AssignCommand command)
{
await _mediator.Send(command);
return(Ok());
}
unsafe long?IFormatter <AssignCommand> .GetLength(AssignCommand command) => sizeof(AssignCommand);
ValueTask IFormatter <AssignCommand> .SerializeAsync <TWriter>(AssignCommand command, TWriter writer, CancellationToken token) => writer.WriteAsync(command, token);
