public override StatementNode VisitMemberAssignStatement([NotNull] CoronaParser.MemberAssignStatementContext context)
{
BuildValueAst valueVisitor = new BuildValueAst();
BuildExpressionAst exprVisitor = new BuildExpressionAst();
try
{
// Get GridPoint
GridValueNode gridPoint = null;
if (context.gridPoint() != null)
{
gridPoint = (GridValueNode)valueVisitor.Visit(context.gridPoint());
}
// Get Member
IdentifierValueNode memberID = new IdentifierValueNode(context.identifierValue().GetText());
// Get value
ValueNode value;
if (context.expr() != null)
{
value = exprVisitor.Visit(context.expr());
}
else
{
value = new StringValueNode(context.STRING().GetText());
}
return(new MemberAssignmentStatementNode(gridPoint, memberID, value));
}
catch (TheLanguageErrorException e) { throw new TheLanguageErrorException("Member assignment statement", e); }
}
public Cell Visit(GridValueNode node)
{
MathExpressionAstEvaluator exprVisitor = new MathExpressionAstEvaluator();
int x = exprVisitor.Visit(node.FirstD);
int y = exprVisitor.Visit(node.SecondD);
// Wrap around if out of bounds
while (x >= sender.X_Max)
{
x -= sender.X_Max;
}
while (x < 0)
{
x += sender.X_Max;
}
while (y >= sender.Y_Max)
{
y -= sender.Y_Max;
}
while (y < 0)
{
y += sender.Y_Max;
}
return(sender.GetCell(new Pos(x, y)));
}
public override StatementNode VisitGridAssignStatement([NotNull] CoronaParser.GridAssignStatementContext context)
{
BuildValueAst valueVisitor = new BuildValueAst();
try
{
IdentifierValueNode id = new IdentifierValueNode(context.ID().GetText());
GridValueNode gridpoint = (GridValueNode)valueVisitor.Visit(context.gridPoint());
return(new GridAssignmentStatementNode(gridpoint, id));
}
catch (TheLanguageErrorException e) { throw new TheLanguageErrorException("Grid assignment statement", e); }
}
public GridAssignmentStatementNode(GridValueNode gridPoint, IdentifierValueNode id)
{
GridPoint = gridPoint;
Identifier = id;
}
public MemberAssignmentStatementNode(GridValueNode gridPoint, IdentifierValueNode memberID, ValueNode value)
{
GridPoint = gridPoint;
MemberID = memberID;
Value = value;
}
