//
-// System.Reflection.Emit/DynamicMethod.cs
+// System.Reflection.Emit.DynamicMethod.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-#if NET_2_0 || BOOTSTRAP_NET_2_0
+#if !FULL_AOT_RUNTIME
using System;
using System.Reflection;
namespace System.Reflection.Emit {
+ [ComVisible (true)]
+ [StructLayout (LayoutKind.Sequential)]
public sealed class DynamicMethod : MethodInfo {
+
+#pragma warning disable 169, 414, 649
#region Sync with reflection.h
private RuntimeMethodHandle mhandle;
private string name;
private ILGenerator ilgen;
private int nrefs;
private object[] refs;
+ private IntPtr referenced_by;
+ private Type owner;
#endregion
+#pragma warning restore 169, 414, 649
+
private Delegate deleg;
private MonoMethod method;
private ParameterBuilder[] pinfo;
+ internal bool creating;
+ private DynamicILInfo il_info;
public DynamicMethod (string name, Type returnType, Type[] parameterTypes, Module m) : this (name, returnType, parameterTypes, m, false) {
}
public DynamicMethod (string name, Type returnType, Type[] parameterTypes, Type owner, bool skipVisibility) : this (name, MethodAttributes.Public | MethodAttributes.Static, CallingConventions.Standard, returnType, parameterTypes, owner, skipVisibility) {
}
- public DynamicMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Type owner, bool skipVisibility) : this (name, attributes, callingConvention, returnType, parameterTypes, owner.Module, skipVisibility) {
+ public DynamicMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Type owner, bool skipVisibility) : this (name, attributes, callingConvention, returnType, parameterTypes, owner, owner.Module, skipVisibility, false) {
+ }
+
+ public DynamicMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Module m, bool skipVisibility) : this (name, attributes, callingConvention, returnType, parameterTypes, null, m, skipVisibility, false) {
+ }
+
+ public DynamicMethod (string name, Type returnType, Type[] parameterTypes) : this (name, returnType, parameterTypes, false) {
}
- public DynamicMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Module m, bool skipVisibility) {
+ [MonoTODO ("Visibility is not restricted")]
+ public DynamicMethod (string name, Type returnType, Type[] parameterTypes, bool restrictedSkipVisibility)
+ : this (name, MethodAttributes.Public | MethodAttributes.Static, CallingConventions.Standard, returnType, parameterTypes, null, null, restrictedSkipVisibility, true)
+ {
+ }
+
+ DynamicMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type [] parameterTypes, Type owner, Module m, bool skipVisibility, bool anonHosted)
+ {
if (name == null)
throw new ArgumentNullException ("name");
- if (name == String.Empty)
- throw new ArgumentException ("Name can't be empty", "name");
if (returnType == null)
- throw new ArgumentNullException ("returnType");
- if (m == null)
+ returnType = typeof (void);
+ if ((m == null) && !anonHosted)
throw new ArgumentNullException ("m");
if (returnType.IsByRef)
throw new ArgumentException ("Return type can't be a byref type", "returnType");
if (parameterTypes [i] == null)
throw new ArgumentException ("Parameter " + i + " is null", "parameterTypes");
}
+ if (owner != null && (owner.IsArray || owner.IsInterface)) {
+ throw new ArgumentException ("Owner can't be an array or an interface.");
+ }
+
+ if (m == null)
+ m = AnonHostModuleHolder.AnonHostModule;
this.name = name;
this.attributes = attributes | MethodAttributes.Static;
this.callingConvention = callingConvention;
this.returnType = returnType;
this.parameters = parameterTypes;
+ this.owner = owner;
this.module = m;
this.skipVisibility = skipVisibility;
}
private extern void create_dynamic_method (DynamicMethod m);
private void CreateDynMethod () {
- if (mhandle.Value == IntPtr.Zero)
+ if (mhandle.Value == IntPtr.Zero) {
+ if (ilgen == null || ilgen.ILOffset == 0)
+ throw new InvalidOperationException ("Method '" + name + "' does not have a method body.");
+
+ ilgen.label_fixup ();
+
+ // Have to create all DynamicMethods referenced by this one
+ try {
+ // Used to avoid cycles
+ creating = true;
+ if (refs != null) {
+ for (int i = 0; i < refs.Length; ++i) {
+ if (refs [i] is DynamicMethod) {
+ DynamicMethod m = (DynamicMethod)refs [i];
+ if (!m.creating)
+ m.CreateDynMethod ();
+ }
+ }
+ }
+ } finally {
+ creating = false;
+ }
+
create_dynamic_method (this);
+ }
}
+ [ComVisible (true)]
public Delegate CreateDelegate (Type delegateType)
{
if (delegateType == null)
return deleg;
}
+ [ComVisible (true)]
public Delegate CreateDelegate (Type delegateType, object target)
{
if (delegateType == null)
throw new ArgumentNullException ("delegateType");
- if (deleg != null)
- return deleg;
CreateDynMethod ();
- deleg = Delegate.CreateDelegate (delegateType, target, this);
- return deleg;
+ /* Can't cache the delegate since it is different for each target */
+ return Delegate.CreateDelegate (delegateType, target, this);
}
- [MonoTODO]
- public ParameterBuilder DefineParameter (int position, ParameterAttributes attributes, string strParamName)
+ public ParameterBuilder DefineParameter (int position, ParameterAttributes attributes, string parameterName)
{
//
// Extension: Mono allows position == 0 for the return attribute
RejectIfCreated ();
- throw new NotImplementedException ();
+ ParameterBuilder pb = new ParameterBuilder (this, position, attributes, parameterName);
+ if (pinfo == null)
+ pinfo = new ParameterBuilder [parameters.Length + 1];
+ pinfo [position] = pb;
+ return pb;
}
public override MethodInfo GetBaseDefinition () {
return this;
}
- [MonoTODO]
+ [MonoTODO("Not implemented")]
public override object[] GetCustomAttributes (bool inherit) {
throw new NotImplementedException ();
}
- [MonoTODO]
+ [MonoTODO("Not implemented")]
public override object[] GetCustomAttributes (Type attributeType,
bool inherit) {
throw new NotImplementedException ();
}
+ public DynamicILInfo GetDynamicILInfo () {
+ if (il_info == null)
+ il_info = new DynamicILInfo (this);
+ return il_info;
+ }
+
public ILGenerator GetILGenerator () {
return GetILGenerator (64);
}
- public ILGenerator GetILGenerator (int size) {
+ public ILGenerator GetILGenerator (int streamSize) {
if (((GetMethodImplementationFlags () & MethodImplAttributes.CodeTypeMask) !=
MethodImplAttributes.IL) ||
((GetMethodImplementationFlags () & MethodImplAttributes.ManagedMask) !=
throw new InvalidOperationException ("Method body should not exist.");
if (ilgen != null)
return ilgen;
- ilgen = new ILGenerator (Module, new DynamicMethodTokenGenerator (this), size);
+ ilgen = new ILGenerator (Module, new DynamicMethodTokenGenerator (this), streamSize);
return ilgen;
}
}
return retval;
}
+
+ internal override int GetParameterCount ()
+ {
+ return parameters == null ? 0 : parameters.Length;
+ }
+ internal override Type GetParameterType (int pos) {
+ return parameters [pos];
+ }
+
+ /*
public override object Invoke (object obj, object[] parameters) {
CreateDynMethod ();
if (method == null)
method = new MonoMethod (mhandle);
return method.Invoke (obj, parameters);
}
+ */
public override object Invoke (object obj, BindingFlags invokeAttr,
Binder binder, object[] parameters,
- CultureInfo culture) {
- CreateDynMethod ();
- if (method == null)
- method = new MonoMethod (mhandle);
- return method.Invoke (obj, parameters);
+ CultureInfo culture)
+ {
+ try {
+ CreateDynMethod ();
+ if (method == null)
+ method = new MonoMethod (mhandle);
+
+ return method.Invoke (obj, parameters);
+ }
+ catch (MethodAccessException mae) {
+ throw new TargetInvocationException ("Method cannot be invoked.", mae);
+ }
}
- [MonoTODO]
+ [MonoTODO("Not implemented")]
public override bool IsDefined (Type attributeType, bool inherit) {
throw new NotImplementedException ();
}
public override string ToString () {
- string parms = "";
+ string parms = String.Empty;
ParameterInfo[] p = GetParameters ();
for (int i = 0; i < p.Length; ++i) {
if (i > 0)
}
}
- [MonoTODO]
- public ParameterInfo ReturnParameter {
+ [MonoTODO("Not implemented")]
+ public override ParameterInfo ReturnParameter {
get {
throw new NotImplementedException ();
}
}
}
- [MonoTODO]
+ [MonoTODO("Not implemented")]
public override ICustomAttributeProvider ReturnTypeCustomAttributes {
get {
throw new NotImplementedException ();
}
}
+/*
public override int MetadataToken {
get {
return 0;
}
}
+*/
private void RejectIfCreated () {
if (mhandle.Value != IntPtr.Zero)
throw new InvalidOperationException ("Type definition of the method is complete.");
}
- private Exception NotSupported () {
- return new NotSupportedException ("The invoked member is not supported on a dynamic method.");
- }
-
internal int AddRef (object reference) {
if (refs == null)
refs = new object [4];
- if (nrefs >= refs.Length) {
+ if (nrefs >= refs.Length - 1) {
object [] new_refs = new object [refs.Length * 2];
System.Array.Copy (refs, new_refs, refs.Length);
refs = new_refs;
}
refs [nrefs] = reference;
- nrefs ++;
- return nrefs;
+ /* Reserved by the runtime */
+ refs [nrefs + 1] = null;
+ nrefs += 2;
+ return nrefs - 1;
+ }
+
+ // This class takes care of constructing the module in a thread safe manner
+ class AnonHostModuleHolder {
+ public static Module anon_host_module;
+
+ static AnonHostModuleHolder () {
+ AssemblyName aname = new AssemblyName ();
+ aname.Name = "Anonymously Hosted DynamicMethods Assembly";
+ AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (aname, AssemblyBuilderAccess.Run);
+
+ anon_host_module = ab.GetManifestModule ();
+ }
+
+ public static Module AnonHostModule {
+ get {
+ return anon_host_module;
+ }
+ }
}
}
throw new InvalidOperationException ();
}
- public int GetToken (MemberInfo member) {
+ public int GetToken (MemberInfo member, bool create_open_instance) {
return m.AddRef (member);
}