147 lines
3.9 KiB
C#
147 lines
3.9 KiB
C#
//
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// Author:
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// Jb Evain (jbevain@gmail.com)
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//
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// Copyright (c) 2008 - 2015 Jb Evain
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// Copyright (c) 2008 - 2011 Novell, Inc.
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//
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// Licensed under the MIT/X11 license.
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//
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using MonoFN.Collections.Generic;
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namespace MonoFN.Cecil {
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public sealed class ParameterDefinition : ParameterReference, ICustomAttributeProvider, IConstantProvider, IMarshalInfoProvider {
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ushort attributes;
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internal IMethodSignature method;
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object constant = Mixin.NotResolved;
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Collection<CustomAttribute> custom_attributes;
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MarshalInfo marshal_info;
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public ParameterAttributes Attributes {
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get { return (ParameterAttributes)attributes; }
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set { attributes = (ushort)value; }
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}
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public IMethodSignature Method {
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get { return method; }
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}
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public int Sequence {
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get {
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if (method == null)
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return -1;
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return method.HasImplicitThis () ? index + 1 : index;
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}
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}
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public bool HasConstant {
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get {
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this.ResolveConstant (ref constant, parameter_type.Module);
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return constant != Mixin.NoValue;
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}
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set { if (!value) constant = Mixin.NoValue; }
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}
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public object Constant {
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get { return HasConstant ? constant : null; }
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set { constant = value; }
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}
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public bool HasCustomAttributes {
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get {
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if (custom_attributes != null)
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return custom_attributes.Count > 0;
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return this.GetHasCustomAttributes (parameter_type.Module);
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}
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}
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public Collection<CustomAttribute> CustomAttributes {
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get { return custom_attributes ?? (this.GetCustomAttributes (ref custom_attributes, parameter_type.Module)); }
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}
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public bool HasMarshalInfo {
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get {
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if (marshal_info != null)
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return true;
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return this.GetHasMarshalInfo (parameter_type.Module);
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}
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}
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public MarshalInfo MarshalInfo {
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get { return marshal_info ?? (this.GetMarshalInfo (ref marshal_info, parameter_type.Module)); }
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set { marshal_info = value; }
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}
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#region ParameterAttributes
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public bool IsIn {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.In); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.In, value); }
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}
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public bool IsOut {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.Out); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.Out, value); }
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}
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public bool IsLcid {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.Lcid); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.Lcid, value); }
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}
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public bool IsReturnValue {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.Retval); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.Retval, value); }
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}
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public bool IsOptional {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.Optional); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.Optional, value); }
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}
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public bool HasDefault {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.HasDefault); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.HasDefault, value); }
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}
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public bool HasFieldMarshal {
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get { return attributes.GetAttributes ((ushort)ParameterAttributes.HasFieldMarshal); }
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set { attributes = attributes.SetAttributes ((ushort)ParameterAttributes.HasFieldMarshal, value); }
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}
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#endregion
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internal ParameterDefinition (TypeReference parameterType, IMethodSignature method)
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: this (string.Empty, ParameterAttributes.None, parameterType)
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{
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this.method = method;
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}
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public ParameterDefinition (TypeReference parameterType)
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: this (string.Empty, ParameterAttributes.None, parameterType)
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{
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}
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public ParameterDefinition (string name, ParameterAttributes attributes, TypeReference parameterType)
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: base (name, parameterType)
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{
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this.attributes = (ushort)attributes;
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this.token = new MetadataToken (TokenType.Param);
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}
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public override ParameterDefinition Resolve ()
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{
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return this;
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}
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}
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}
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