95 lines
2.8 KiB
C#
95 lines
2.8 KiB
C#
//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (C) Lluis Sanchez Gual, 2004
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//
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#if !FULL_AOT_RUNTIME
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using System;
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using System.Reflection;
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using System.Reflection.Emit;
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namespace Mono.CodeGeneration
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{
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public class CodeFieldReference: CodeValueReference
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{
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CodeExpression target;
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FieldInfo field;
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public CodeFieldReference (CodeExpression target, FieldInfo field)
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{
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if (field.IsStatic)
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throw new InvalidOperationException ("Static member '" + field.Name + "' cannot be accessed with an instance reference.");
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this.target = target;
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this.field = field;
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}
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public CodeFieldReference (FieldInfo field)
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{
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if (!field.IsStatic)
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throw new InvalidOperationException ("An object reference is required for the non-static field '" + field.Name + "'.");
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this.field = field;
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}
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public override void Generate (ILGenerator gen)
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{
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if (field.IsStatic) {
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gen.Emit (OpCodes.Ldsfld, field);
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}
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else {
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target.Generate (gen);
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gen.Emit (OpCodes.Ldfld, field);
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}
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}
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public override void GenerateSet (ILGenerator gen, CodeExpression value)
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{
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if (field.IsStatic) {
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value.Generate (gen);
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CodeGenerationHelper.GenerateSafeConversion (gen, field.FieldType, value.GetResultType ());
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gen.Emit (OpCodes.Stsfld, field);
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}
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else {
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target.Generate (gen);
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value.Generate (gen);
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CodeGenerationHelper.GenerateSafeConversion (gen, field.FieldType, value.GetResultType ());
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gen.Emit (OpCodes.Stfld, field);
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}
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}
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public override void PrintCode (CodeWriter cp)
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{
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if (!field.IsStatic)
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target.PrintCode (cp);
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else
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cp.Write (field.DeclaringType.Name);
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cp.Write (".");
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cp.Write (field.Name);
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}
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public override Type GetResultType ()
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{
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return field.FieldType;
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}
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}
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}
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#endif
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