public BreakStatement(IStatementBlock sourceBlock)
: base(sourceBlock)
{
IStatementBlockLocalMember local = null;
IBreakTargetExitPoint exitPoint = null;
IDeclarationTarget parent = sourceBlock;
//Search up for the block that needs the break.
while (parent != null && local == null)
{
if (parent is IBreakTargetStatement)
{
local = ((IBreakTargetStatement)parent).BreakLocal;
exitPoint = ((IBreakTargetStatement)parent).ExitLabel;
((IBreakTargetStatement)parent).UtilizeBreakMeasures = true;
break;
}
parent = parent.ParentTarget;
}
if (local == null && !(sourceBlock.Parent is ISwitchStatementCase))
{
throw new InvalidOperationException("Cannot insert a break into a non-terminable block.");
}
this.terminalVariable = local;
this.exitSymbol = exitPoint;
}
public EnumeratorStatement(IStatementBlock sourceBlock)
: base(sourceBlock)
{
enumMember = this.Statements.Locals.AddNew(this.Statements.Locals.GetUnusedName("__enumerator"), typeof(IEnumerator).GetTypeReference());
enumMember.AutoDeclare = false;
currentMember = this.Statements.Locals.AddNew(this.Statements.Locals.GetUnusedName("__current"), typeof(void).GetTypeReference());
currentMember.AutoDeclare = true;
currentMemberInit = new CastExpression(enumMember.GetReference().GetProperty("Current"), itemType);
currentMember.InitializationExpression = currentMemberInit;
}
public ILocalDeclarationStatement DefineLocal(IStatementBlockLocalMember local)
{
if (local.ParentTarget == this)
{
ILocalDeclarationStatement localDecl = local.GetDeclarationStatement();
localDecl.ReferencedMember.AutoDeclare = false;
Add(localDecl);
return(localDecl);
}
throw new InvalidOperationException("Cannot declare a local outside its scope.");
}
public ILocalDeclarationStatement DefineLocal(IStatementBlockLocalMember local)
{
return(this.Statements.DefineLocal(local));
}
