//^^ ensures result.GetType() == this.GetType();
//^^ ensures result.ContainingBlock == containingBlock;
/// <summary>
/// Makes a copy of this expression, changing the ContainingBlock to the given block.
/// </summary>
//^ [MustOverride]
public override Expression MakeCopyFor(BlockStatement containingBlock)
{
if (this.ContainingBlock == containingBlock) return this;
AdditionAssignment result = new VccAdditionAssignment(containingBlock, this);
//^ assume result.ContainingBlock == containingBlock; //This should be a post condition of the constructor, but such post conditions are not currently permitted by the methodology.
return result;
}
//^ requires template.ContainingBlock != containingBlock;
//^ ensures this.containingBlock == containingBlock;
/// <summary>
/// A copy constructor that allocates an instance that is the same as the given template, except for its containing block.
/// </summary>
/// <param name="containingBlock">A new value for containing block. This replaces template.ContainingBlock in the resulting copy of template.</param>
/// <param name="template">The template to copy.</param>
protected VccAdditionAssignment(BlockStatement containingBlock, VccAdditionAssignment template)
: base(containingBlock, template)
{
}