/// <summary>
/// Emits parameter loading.
/// </summary>
/// <param name="node">Instance.</param>
/// <param name="il">Emitter.</param>
/// <param name="index">The index of the parameter starting from 0.</param>
/// <param name="codeGenerator">Code generator.</param>
/// <param name="param">Target <see cref="ParameterInfo"/>.</param>
/// <returns>The type of the actual argument or its value if it is a leteral.</returns>
public object EmitLibraryLoadArgument(CallSignature /*!*/ node, ILEmitter /*!*/ il, int index, object /*!*/ codeGenerator, ParameterInfo param)
{
Debug.Assert(codeGenerator != null);
Debug.Assert(index < node.Parameters.Length, "Missing arguments prevents code generation");
// returns value if the parameter is evaluable at compile time:
if (node.Parameters[index].Expression.HasValue())
{
return(node.Parameters[index].Expression.GetValue());
}
// emits parameter evaluation:
var p = node.Parameters[index];
return(PhpTypeCodeEnum.ToType(p.NodeCompiler <ActualParamCompiler>().Emit(p, (CodeGenerator)codeGenerator, PhpRwAttribute.IsDefined(param))));
}
/// <summary>
/// Emits parameter loading.
/// </summary>
/// <param name="il">Emitter.</param>
/// <param name="index">The index of the parameter starting from 0.</param>
/// <param name="codeGenerator">Code generator.</param>
/// <param name="param">Target <see cref="ParameterInfo"/>.</param>
/// <returns>The type of the actual argument or its value if it is a leteral.</returns>
internal object EmitLibraryLoadArgument(ILEmitter /*!*/ il, int index, object /*!*/ codeGenerator, ParameterInfo param)
{
Debug.Assert(codeGenerator != null);
Debug.Assert(index < parameters.Count, "Missing arguments prevents code generation");
// returns value if the parameter is evaluable at compile time:
if (parameters[index].Expression.HasValue)
{
return(parameters[index].Expression.Value);
}
// emits parameter evaluation:
return(PhpTypeCodeEnum.ToType(parameters[index].Emit((CodeGenerator)codeGenerator, PhpRwAttribute.IsDefined(param))));
}