/// <inheritdoc />
public int GetVariableIndex(object operand)
{
return(operand switch
{
CilLocalVariable localVariable => localVariable.Index,
byte raw => raw,
ushort raw => raw,
_ => throw new NotSupportedException("Unsupported variable operand.")
});
/// <inheritdoc />
public int GetVariableIndex(object operand)
{
return(operand switch
{
CilLocalVariable localVariable => localVariable.Index,
byte raw => raw,
ushort raw => raw,
_ => _diagnosticBag.RegisterExceptionAndReturnDefault <int>(
new NotSupportedException($"Invalid or unsupported variable operand ({operand.SafeToString()})."))
});
/// <summary>
/// Verifies and inserts a instruction into the collection that references a local variable.
/// </summary>
/// <param name="index">The zero-based index at which the instruction should be inserted at.</param>
/// <param name="code">The opcode.</param>
/// <param name="variable">The referenced variable.</param>
/// <returns>The created instruction.</returns>
/// <exception cref="InvalidCilInstructionException">
/// Occurs when the provided operation is not an opcode referencing a variable.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Occurs when <paramref name="variable"/> is null.
/// </exception>
public CilInstruction Insert(int index, CilOpCode code, CilLocalVariable variable)
{
if (code.OperandType != CilOperandType.InlineVar && code.OperandType != CilOperandType.ShortInlineVar)
{
throw new InvalidCilInstructionException(code);
}
if (variable is null)
{
throw new ArgumentNullException(nameof(variable));
}
return(InsertAndReturn(index, code, variable));
}
public CilInstruction Add(CilOpCode code, CilLocalVariable variable) => Insert(Count, code, variable);
