Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

61 lines
1.8 KiB
C#

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) Lluis Sanchez Gual, 2004
//
#if !FULL_AOT_RUNTIME
using System;
using System.Reflection;
using System.Reflection.Emit;
namespace Mono.CodeGeneration
{
public class CodeArrayLength: CodeExpression
{
CodeExpression array;
public CodeArrayLength (CodeExpression array)
{
if (!array.GetResultType().IsArray)
throw new InvalidOperationException ("CodeArrayLength can only be applied to array expressions");
this.array = array;
}
public override void Generate (ILGenerator gen)
{
array.Generate (gen);
gen.Emit (OpCodes.Ldlen);
}
public override void PrintCode (CodeWriter cp)
{
array.PrintCode (cp);
cp.Write (".Length");
}
public override Type GetResultType ()
{
return typeof(int);
}
}
}
#endif