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

654 lines
18 KiB
C#

//
// MethodDefinition.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// (C) 2005 Jb Evain
//
// 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.
//
namespace Mono.Cecil {
using Mono.Cecil.Binary;
using Mono.Cecil.Cil;
internal sealed class MethodDefinition : MethodReference, IMemberDefinition,
IHasSecurity, ICustomAttributeProvider {
public const string Cctor = ".cctor";
public const string Ctor = ".ctor";
MethodAttributes m_attributes;
MethodImplAttributes m_implAttrs;
MethodSemanticsAttributes m_semAttrs;
SecurityDeclarationCollection m_secDecls;
CustomAttributeCollection m_customAttrs;
MethodBody m_body;
RVA m_rva;
OverrideCollection m_overrides;
PInvokeInfo m_pinvoke;
readonly ParameterDefinition m_this;
public MethodAttributes Attributes {
get { return m_attributes; }
set { m_attributes = value; }
}
public MethodImplAttributes ImplAttributes {
get { return m_implAttrs; }
set { m_implAttrs = value; }
}
public MethodSemanticsAttributes SemanticsAttributes {
get { return m_semAttrs; }
set { m_semAttrs = value; }
}
public bool HasSecurityDeclarations {
get { return (m_secDecls == null) ? false : (m_secDecls.Count > 0); }
}
public SecurityDeclarationCollection SecurityDeclarations {
get {
if (m_secDecls == null)
m_secDecls = new SecurityDeclarationCollection (this);
return m_secDecls;
}
}
public bool HasCustomAttributes {
get { return (m_customAttrs == null) ? false : (m_customAttrs.Count > 0); }
}
public CustomAttributeCollection CustomAttributes {
get {
if (m_customAttrs == null)
m_customAttrs = new CustomAttributeCollection (this);
return m_customAttrs;
}
}
public RVA RVA {
get { return m_rva; }
set { m_rva = value; }
}
public MethodBody Body {
get {
LoadBody ();
return m_body;
}
set { m_body = value; }
}
public PInvokeInfo PInvokeInfo {
get { return m_pinvoke; }
set { m_pinvoke = value; }
}
public bool HasOverrides {
get { return (m_overrides == null) ? false : (m_overrides.Count > 0); }
}
public OverrideCollection Overrides {
get {
if (m_overrides == null)
m_overrides = new OverrideCollection (this);
return m_overrides;
}
}
public ParameterDefinition This {
get { return m_this; }
}
#region MethodAttributes
public bool IsCompilerControlled {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Compilercontrolled; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.Compilercontrolled;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.Compilercontrolled);
}
}
public bool IsPrivate {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.Private;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.Private);
}
}
public bool IsFamilyAndAssembly {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.FamANDAssem;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.FamANDAssem);
}
}
public bool IsAssembly {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Assem; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.Assem;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.Assem);
}
}
public bool IsFamily {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Family; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.Family;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.Family);
}
}
public bool IsFamilyOrAssembly {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.FamORAssem;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.FamORAssem);
}
}
public bool IsPublic {
get { return (m_attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public; }
set {
if (value) {
m_attributes &= ~MethodAttributes.MemberAccessMask;
m_attributes |= MethodAttributes.Public;
} else
m_attributes &= ~(MethodAttributes.MemberAccessMask & MethodAttributes.Public);
}
}
public bool IsStatic {
get { return (m_attributes & MethodAttributes.Static) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.Static;
else
m_attributes &= ~MethodAttributes.Static;
}
}
public bool IsFinal {
get { return (m_attributes & MethodAttributes.Final) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.Final;
else
m_attributes &= ~MethodAttributes.Final;
}
}
public bool IsVirtual {
get { return (m_attributes & MethodAttributes.Virtual) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.Virtual;
else
m_attributes &= ~MethodAttributes.Virtual;
}
}
public bool IsHideBySig {
get { return (m_attributes & MethodAttributes.HideBySig) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.HideBySig;
else
m_attributes &= ~MethodAttributes.HideBySig;
}
}
public bool IsReuseSlot {
get { return (m_attributes & MethodAttributes.VtableLayoutMask) == MethodAttributes.ReuseSlot; }
set {
if (value) {
m_attributes &= ~MethodAttributes.VtableLayoutMask;
m_attributes |= MethodAttributes.ReuseSlot;
} else
m_attributes &= ~(MethodAttributes.VtableLayoutMask & MethodAttributes.ReuseSlot);
}
}
public bool IsNewSlot {
get { return (m_attributes & MethodAttributes.VtableLayoutMask) == MethodAttributes.NewSlot; }
set {
if (value) {
m_attributes &= ~MethodAttributes.VtableLayoutMask;
m_attributes |= MethodAttributes.NewSlot;
} else
m_attributes &= ~(MethodAttributes.VtableLayoutMask & MethodAttributes.NewSlot);
}
}
public bool IsStrict {
get { return (m_attributes & MethodAttributes.Strict) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.Strict;
else
m_attributes &= ~MethodAttributes.Strict;
}
}
public bool IsAbstract {
get { return (m_attributes & MethodAttributes.Abstract) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.Abstract;
else
m_attributes &= ~MethodAttributes.Abstract;
}
}
public bool IsSpecialName {
get { return (m_attributes & MethodAttributes.SpecialName) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.SpecialName;
else
m_attributes &= ~MethodAttributes.SpecialName;
}
}
public bool IsPInvokeImpl {
get { return (m_attributes & MethodAttributes.PInvokeImpl) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.PInvokeImpl;
else
m_attributes &= ~MethodAttributes.PInvokeImpl;
}
}
public bool IsUnmanagedExport {
get { return (m_attributes & MethodAttributes.UnmanagedExport) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.UnmanagedExport;
else
m_attributes &= ~MethodAttributes.UnmanagedExport;
}
}
public bool IsRuntimeSpecialName {
get { return (m_attributes & MethodAttributes.RTSpecialName) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.RTSpecialName;
else
m_attributes &= ~MethodAttributes.RTSpecialName;
}
}
public bool HasSecurity {
get { return (m_attributes & MethodAttributes.HasSecurity) != 0; }
set {
if (value)
m_attributes |= MethodAttributes.HasSecurity;
else
m_attributes &= ~MethodAttributes.HasSecurity;
}
}
#endregion
#region MethodImplAttributes
public bool IsIL {
get { return (m_implAttrs & MethodImplAttributes.CodeTypeMask) == MethodImplAttributes.IL; }
set {
if (value) {
m_implAttrs &= ~MethodImplAttributes.CodeTypeMask;
m_implAttrs |= MethodImplAttributes.IL;
} else
m_implAttrs &= ~(MethodImplAttributes.CodeTypeMask & MethodImplAttributes.IL);
}
}
public bool IsNative {
get { return (m_implAttrs & MethodImplAttributes.CodeTypeMask) == MethodImplAttributes.Native; }
set {
if (value) {
m_implAttrs &= ~MethodImplAttributes.CodeTypeMask;
m_implAttrs |= MethodImplAttributes.Native;
} else
m_implAttrs &= ~(MethodImplAttributes.CodeTypeMask & MethodImplAttributes.Native);
}
}
public bool IsRuntime {
get { return (m_implAttrs & MethodImplAttributes.CodeTypeMask) == MethodImplAttributes.Runtime; }
set {
if (value) {
m_implAttrs &= ~MethodImplAttributes.CodeTypeMask;
m_implAttrs |= MethodImplAttributes.Runtime;
} else
m_implAttrs &= ~(MethodImplAttributes.CodeTypeMask & MethodImplAttributes.Runtime);
}
}
public bool IsUnmanaged {
get { return (m_implAttrs & MethodImplAttributes.ManagedMask) == MethodImplAttributes.Unmanaged; }
set {
if (value) {
m_implAttrs &= ~MethodImplAttributes.ManagedMask;
m_implAttrs |= MethodImplAttributes.Unmanaged;
} else
m_implAttrs &= ~(MethodImplAttributes.ManagedMask & MethodImplAttributes.Unmanaged);
}
}
public bool IsManaged {
get { return (m_implAttrs & MethodImplAttributes.ManagedMask) == MethodImplAttributes.Managed; }
set {
if (value) {
m_implAttrs &= ~MethodImplAttributes.ManagedMask;
m_implAttrs |= MethodImplAttributes.Managed;
} else
m_implAttrs &= ~(MethodImplAttributes.ManagedMask & MethodImplAttributes.Managed);
}
}
public bool IsForwardRef {
get { return (m_implAttrs & MethodImplAttributes.ForwardRef) != 0; }
set {
if (value)
m_implAttrs |= MethodImplAttributes.ForwardRef;
else
m_implAttrs &= ~MethodImplAttributes.ForwardRef;
}
}
public bool IsPreserveSig {
get { return (m_implAttrs & MethodImplAttributes.PreserveSig) != 0; }
set {
if (value)
m_implAttrs |= MethodImplAttributes.PreserveSig;
else
m_implAttrs &= ~MethodImplAttributes.PreserveSig;
}
}
public bool IsInternalCall {
get { return (m_implAttrs & MethodImplAttributes.InternalCall) != 0; }
set {
if (value)
m_implAttrs |= MethodImplAttributes.InternalCall;
else
m_implAttrs &= ~MethodImplAttributes.InternalCall;
}
}
public bool IsSynchronized {
get { return (m_implAttrs & MethodImplAttributes.Synchronized) != 0; }
set {
if (value)
m_implAttrs |= MethodImplAttributes.Synchronized;
else
m_implAttrs &= ~MethodImplAttributes.Synchronized;
}
}
public bool NoInlining {
get { return (m_implAttrs & MethodImplAttributes.NoInlining) != 0; }
set {
if (value)
m_implAttrs |= MethodImplAttributes.NoInlining;
else
m_implAttrs &= ~MethodImplAttributes.NoInlining;
}
}
#endregion
#region MethodSemanticsAttributes
public bool IsSetter {
get { return (m_semAttrs & MethodSemanticsAttributes.Setter) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.Setter;
else
m_semAttrs &= ~MethodSemanticsAttributes.Setter;
}
}
public bool IsGetter {
get { return (m_semAttrs & MethodSemanticsAttributes.Getter) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.Getter;
else
m_semAttrs &= ~MethodSemanticsAttributes.Getter;
}
}
public bool IsOther {
get { return (m_semAttrs & MethodSemanticsAttributes.Other) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.Other;
else
m_semAttrs &= ~MethodSemanticsAttributes.Other;
}
}
public bool IsAddOn {
get { return (m_semAttrs & MethodSemanticsAttributes.AddOn) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.AddOn;
else
m_semAttrs &= ~MethodSemanticsAttributes.AddOn;
}
}
public bool IsRemoveOn {
get { return (m_semAttrs & MethodSemanticsAttributes.RemoveOn) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.RemoveOn;
else
m_semAttrs &= ~MethodSemanticsAttributes.RemoveOn;
}
}
public bool IsFire {
get { return (m_semAttrs & MethodSemanticsAttributes.Fire) != 0; }
set {
if (value)
m_semAttrs |= MethodSemanticsAttributes.Fire;
else
m_semAttrs &= ~MethodSemanticsAttributes.Fire;
}
}
#endregion
public bool IsConstructor {
get {
return this.IsRuntimeSpecialName && this.IsSpecialName &&
(this.Name == Cctor || this.Name == Ctor);
}
}
public bool HasBody {
get {
return (m_attributes & MethodAttributes.Abstract) == 0 &&
(m_attributes & MethodAttributes.PInvokeImpl) == 0 &&
(m_implAttrs & MethodImplAttributes.InternalCall) == 0 &&
(m_implAttrs & MethodImplAttributes.Native) == 0 &&
(m_implAttrs & MethodImplAttributes.Unmanaged) == 0 &&
(m_implAttrs & MethodImplAttributes.Runtime) == 0;
}
}
public new TypeDefinition DeclaringType {
get { return (TypeDefinition) base.DeclaringType; }
set { base.DeclaringType = value; }
}
public MethodDefinition (string name, RVA rva,
MethodAttributes attrs, MethodImplAttributes implAttrs,
bool hasThis, bool explicitThis, MethodCallingConvention callConv) :
base (name, hasThis, explicitThis, callConv)
{
m_rva = rva;
m_attributes = attrs;
m_implAttrs = implAttrs;
if (!IsStatic)
m_this = new ParameterDefinition ("this", 0, (ParameterAttributes) 0, null);
}
internal MethodDefinition (string name, MethodAttributes attrs) : base (name)
{
m_attributes = attrs;
this.HasThis = !this.IsStatic;
if (!IsStatic)
m_this = new ParameterDefinition ("this", 0, (ParameterAttributes) 0, null);
}
public MethodDefinition (string name, MethodAttributes attrs, TypeReference returnType) :
this (name, attrs)
{
this.ReturnType.ReturnType = returnType;
}
internal void LoadBody ()
{
if (m_body == null && this.HasBody) {
m_body = new MethodBody (this);
ModuleDefinition module = DeclaringType != null ? DeclaringType.Module : null;
if (module != null && m_rva != RVA.Zero)
module.Controller.Reader.Code.VisitMethodBody (m_body);
}
}
public override MethodDefinition Resolve ()
{
return this;
}
public MethodDefinition Clone ()
{
return Clone (this, new ImportContext (NullReferenceImporter.Instance, this));
}
internal static MethodDefinition Clone (MethodDefinition meth, ImportContext context)
{
MethodDefinition nm = new MethodDefinition (
meth.Name,
RVA.Zero,
meth.Attributes,
meth.ImplAttributes,
meth.HasThis,
meth.ExplicitThis,
meth.CallingConvention);
MethodReference contextMethod = context.GenericContext.Method;
context.GenericContext.Method = nm;
GenericParameter.CloneInto (meth, nm, context);
nm.ReturnType.ReturnType = context.Import (meth.ReturnType.ReturnType);
if (meth.ReturnType.Parameter != null) {
nm.ReturnType.Parameter = ParameterDefinition.Clone (meth.ReturnType.Parameter, context);
nm.ReturnType.Parameter.Method = nm;
}
if (meth.PInvokeInfo != null)
nm.PInvokeInfo = meth.PInvokeInfo; // TODO: import module ?
if (meth.HasParameters) {
foreach (ParameterDefinition param in meth.Parameters)
nm.Parameters.Add (ParameterDefinition.Clone (param, context));
}
if (meth.HasOverrides) {
foreach (MethodReference ov in meth.Overrides)
nm.Overrides.Add (context.Import (ov));
}
if (meth.HasCustomAttributes) {
foreach (CustomAttribute ca in meth.CustomAttributes)
nm.CustomAttributes.Add (CustomAttribute.Clone (ca, context));
}
if (meth.HasSecurityDeclarations) {
foreach (SecurityDeclaration sec in meth.SecurityDeclarations)
nm.SecurityDeclarations.Add (SecurityDeclaration.Clone (sec));
}
if (meth.Body != null)
nm.Body = MethodBody.Clone (meth.Body, nm, context);
context.GenericContext.Method = contextMethod;
return nm;
}
public override void Accept (IReflectionVisitor visitor)
{
visitor.VisitMethodDefinition (this);
this.GenericParameters.Accept (visitor);
this.Parameters.Accept (visitor);
if (this.PInvokeInfo != null)
this.PInvokeInfo.Accept (visitor);
this.SecurityDeclarations.Accept (visitor);
this.Overrides.Accept (visitor);
this.CustomAttributes.Accept (visitor);
}
}
}