public CompilerTarget(Compiler compiler, Label label)
: base(compiler)
{
if (label == null)
throw new ArgumentNullException("label");
Contract.Requires(compiler != null);
Contract.EndContractBlock();
_label = label;
}
private CompilerFunction(Compiler compiler, FunctionDeclaration prototype)
: base(compiler)
{
Contract.Requires(compiler != null);
Contract.Requires(prototype != null);
_functionPrototype = prototype;
_entryLabel = compiler.DefineLabel();
_exitLabel = compiler.DefineLabel();
_entryTarget = compiler.GetTarget(_entryLabel.Id);
_exitTarget = compiler.GetTarget(_exitLabel.Id);
_end = new CompilerFunctionEnd(compiler, this);
}
private static Mem MemPtrBuild(Label label, GPVar index, ScalingFactor scalingFactor, int displacement, Size size)
{
Contract.Requires(label != null);
Contract.Requires(index != null);
Contract.Requires(scalingFactor >= ScalingFactor.Times1 && scalingFactor <= ScalingFactor.Times8);
Contract.Ensures(Contract.Result<Mem>() != null);
return new Mem(label, index, scalingFactor, (IntPtr)displacement, (int)size);
}
private static Mem MemPtrBuild(Label label, int displacement, Size size)
{
Contract.Requires(label != null);
Contract.Ensures(Contract.Result<Mem>() != null);
return new Mem(label, (IntPtr)displacement, (int)size);
}
public Mem(Label label, GPVar index, ScalingFactor scalingFactor, IntPtr displacement, int size = 0)
: this(label, displacement, size)
{
if (index == null)
throw new ArgumentNullException("index");
if (scalingFactor < ScalingFactor.Times1 || scalingFactor > ScalingFactor.Times8)
throw new ArgumentOutOfRangeException("scalingFactor");
Contract.EndContractBlock();
_index = (RegIndex)index.Id;
_scalingFactor = scalingFactor;
}
public Mem(Label label, IntPtr displacement, int size = 0)
: base(size: size)
{
if (label == null)
throw new ArgumentNullException("label");
_type = MemoryType.Label;
_label = label;
_segmentPrefix = SegmentPrefix.None;
_base = (RegIndex)label.Id;
_index = RegIndex.Invalid;
_scalingFactor = ScalingFactor.Times1;
_target = IntPtr.Zero;
_displacement = displacement;
}
