//
// codegen.cs: The code generator
//
-// Author:
+// Authors:
// Miguel de Icaza (miguel@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
// Copyright 2001, 2002, 2003 Ximian, Inc.
// Copyright 2004 Novell, Inc.
//
-//
-// Please leave this defined on SVN: The idea is that when we ship the
-// compiler to end users, if the compiler crashes, they have a chance
-// to narrow down the problem.
-//
-// Only remove it if you need to debug locally on your tree.
-//
-//#define PRODUCTION
-
using System;
-using System.IO;
using System.Collections.Generic;
-using System.Globalization;
+
+#if STATIC
+using MetaType = IKVM.Reflection.Type;
+using IKVM.Reflection;
+using IKVM.Reflection.Emit;
+#else
+using MetaType = System.Type;
using System.Reflection;
using System.Reflection.Emit;
-using System.Runtime.InteropServices;
-using System.Security;
-using System.Security.Cryptography;
-using System.Security.Permissions;
-
-using Mono.Security.Cryptography;
-
-namespace Mono.CSharp {
-
- /// <summary>
- /// Code generator class.
- /// </summary>
- public class CodeGen {
- static AppDomain current_domain;
-
- public static AssemblyClass Assembly;
-
- static CodeGen ()
- {
- Reset ();
- }
-
- public static void Reset ()
- {
- Assembly = new AssemblyClass ();
- }
-
- public static string Basename (string name)
- {
- int pos = name.LastIndexOf ('/');
-
- if (pos != -1)
- return name.Substring (pos + 1);
-
- pos = name.LastIndexOf ('\\');
- if (pos != -1)
- return name.Substring (pos + 1);
-
- return name;
- }
-
- public static string Dirname (string name)
- {
- int pos = name.LastIndexOf ('/');
-
- if (pos != -1)
- return name.Substring (0, pos);
-
- pos = name.LastIndexOf ('\\');
- if (pos != -1)
- return name.Substring (0, pos);
-
- return ".";
- }
-
- static public string FileName;
-
- //
- // Initializes the code generator variables for interactive use (repl)
- //
- static public void InitDynamic (CompilerContext ctx, string name)
- {
- current_domain = AppDomain.CurrentDomain;
- AssemblyName an = Assembly.GetAssemblyName (name, name);
-
- Assembly.Builder = current_domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run);
- RootContext.ToplevelTypes = new ModuleCompiled (ctx, true);
- RootContext.ToplevelTypes.Builder = Assembly.Builder.DefineDynamicModule (Basename (name), false);
- Assembly.Name = Assembly.Builder.GetName ();
- }
-
- //
- // Initializes the code generator variables
- //
- static public bool Init (string name, string output, bool want_debugging_support, CompilerContext ctx)
- {
- FileName = output;
- AssemblyName an = Assembly.GetAssemblyName (name, output);
- if (an == null)
- return false;
-
- if (an.KeyPair != null) {
- // If we are going to strong name our assembly make
- // sure all its refs are strong named
- foreach (Assembly a in GlobalRootNamespace.Instance.Assemblies) {
- AssemblyName ref_name = a.GetName ();
- byte [] b = ref_name.GetPublicKeyToken ();
- if (b == null || b.Length == 0) {
- ctx.Report.Error (1577, "Assembly generation failed " +
- "-- Referenced assembly '" +
- ref_name.Name +
- "' does not have a strong name.");
- //Environment.Exit (1);
- }
- }
- }
-
- current_domain = AppDomain.CurrentDomain;
-
- try {
- Assembly.Builder = current_domain.DefineDynamicAssembly (an,
- AssemblyBuilderAccess.RunAndSave, Dirname (name));
- }
- catch (ArgumentException) {
- // specified key may not be exportable outside it's container
- if (RootContext.StrongNameKeyContainer != null) {
- ctx.Report.Error (1548, "Could not access the key inside the container `" +
- RootContext.StrongNameKeyContainer + "'.");
- Environment.Exit (1);
- }
- throw;
- }
- catch (CryptographicException) {
- if ((RootContext.StrongNameKeyContainer != null) || (RootContext.StrongNameKeyFile != null)) {
- ctx.Report.Error (1548, "Could not use the specified key to strongname the assembly.");
- Environment.Exit (1);
- }
- return false;
- }
-
- // Get the complete AssemblyName from the builder
- // (We need to get the public key and token)
- Assembly.Name = Assembly.Builder.GetName ();
-
- //
- // Pass a path-less name to DefineDynamicModule. Wonder how
- // this copes with output in different directories then.
- // FIXME: figure out how this copes with --output /tmp/blah
- //
- // If the third argument is true, the ModuleBuilder will dynamically
- // load the default symbol writer.
- //
- try {
- RootContext.ToplevelTypes.Builder = Assembly.Builder.DefineDynamicModule (
- Basename (name), Basename (output), want_debugging_support);
-
-#if !MS_COMPATIBLE
- // TODO: We should use SymbolWriter from DefineDynamicModule
- if (want_debugging_support && !SymbolWriter.Initialize (RootContext.ToplevelTypes.Builder, output)) {
- ctx.Report.Error (40, "Unexpected debug information initialization error `{0}'",
- "Could not find the symbol writer assembly (Mono.CompilerServices.SymbolWriter.dll)");
- return false;
- }
#endif
- } catch (ExecutionEngineException e) {
- ctx.Report.Error (40, "Unexpected debug information initialization error `{0}'",
- e.Message);
- return false;
- }
-
- return true;
- }
-
- static public void Save (string name, bool saveDebugInfo, Report Report)
- {
- PortableExecutableKinds pekind;
- ImageFileMachine machine;
-
- switch (RootContext.Platform) {
- case Platform.X86:
- pekind = PortableExecutableKinds.Required32Bit;
- machine = ImageFileMachine.I386;
- break;
- case Platform.X64:
- pekind = PortableExecutableKinds.PE32Plus;
- machine = ImageFileMachine.AMD64;
- break;
- case Platform.IA64:
- pekind = PortableExecutableKinds.PE32Plus;
- machine = ImageFileMachine.IA64;
- break;
- case Platform.AnyCPU:
- default:
- pekind = PortableExecutableKinds.ILOnly;
- machine = ImageFileMachine.I386;
- break;
- }
- try {
- Assembly.Builder.Save (Basename (name), pekind, machine);
- }
- catch (COMException) {
- if ((RootContext.StrongNameKeyFile == null) || (!RootContext.StrongNameDelaySign))
- throw;
-
- // FIXME: it seems Microsoft AssemblyBuilder doesn't like to delay sign assemblies
- Report.Error (1548, "Couldn't delay-sign the assembly with the '" +
- RootContext.StrongNameKeyFile +
- "', Use MCS with the Mono runtime or CSC to compile this assembly.");
- }
- catch (System.IO.IOException io) {
- Report.Error (16, "Could not write to file `"+name+"', cause: " + io.Message);
- return;
- }
- catch (System.UnauthorizedAccessException ua) {
- Report.Error (16, "Could not write to file `"+name+"', cause: " + ua.Message);
- return;
- }
- catch (System.NotImplementedException nie) {
- Report.RuntimeMissingSupport (Location.Null, nie.Message);
- return;
- }
-
- //
- // Write debuger symbol file
- //
- if (saveDebugInfo)
- SymbolWriter.WriteSymbolFile ();
- }
- }
+namespace Mono.CSharp
+{
/// <summary>
/// An Emit Context is created for each body of code (from methods,
/// properties bodies, indexer bodies or constructor bodies)
public class EmitContext : BuilderContext
{
// TODO: Has to be private
- public ILGenerator ig;
+ public readonly ILGenerator ig;
/// <summary>
/// The value that is allowed to be returned or NULL if there is no
/// return type.
/// </summary>
- TypeSpec return_type;
+ readonly TypeSpec return_type;
/// <summary>
/// Keeps track of the Type to LocalBuilder temporary storage created
/// </summary>
public AnonymousExpression CurrentAnonymousMethod;
- public readonly IMemberContext MemberContext;
+ readonly IMemberContext member_context;
DynamicSiteClass dynamic_site_container;
public EmitContext (IMemberContext rc, ILGenerator ig, TypeSpec return_type)
{
- this.MemberContext = rc;
+ this.member_context = rc;
this.ig = ig;
this.return_type = return_type;
+
+#if STATIC
+ ig.__CleverExceptionBlockAssistance ();
+#endif
}
-#region Properties
+ #region Properties
public TypeSpec CurrentType {
- get { return MemberContext.CurrentType; }
+ get { return member_context.CurrentType; }
}
public TypeParameter[] CurrentTypeParameters {
- get { return MemberContext.CurrentTypeParameters; }
+ get { return member_context.CurrentTypeParameters; }
}
public MemberCore CurrentTypeDefinition {
- get { return MemberContext.CurrentMemberDefinition; }
+ get { return member_context.CurrentMemberDefinition; }
}
public bool IsStatic {
- get { return MemberContext.IsStatic; }
+ get { return member_context.IsStatic; }
}
bool IsAnonymousStoreyMutateRequired {
}
}
- // Has to be used for emitter errors only
+ public IMemberContext MemberContext {
+ get {
+ return member_context;
+ }
+ }
+
+ public ModuleContainer Module {
+ get {
+ return member_context.Module;
+ }
+ }
+
+ // Has to be used for specific emitter errors only any
+ // possible resolver errors have to be reported during Resolve
public Report Report {
- get { return MemberContext.Compiler.Report; }
+ get {
+ return member_context.Module.Compiler.Report;
+ }
}
public TypeSpec ReturnType {
return return_type;
}
}
-#endregion
+ #endregion
/// <summary>
/// This is called immediately before emitting an IL opcode to tell the symbol
public void BeginScope ()
{
- ig.BeginScope();
SymbolWriter.OpenScope(ig);
}
public void EndScope ()
{
- ig.EndScope();
SymbolWriter.CloseScope(ig);
}
public DynamicSiteClass CreateDynamicSite ()
{
if (dynamic_site_container == null) {
- var mc = MemberContext.CurrentMemberDefinition as MemberBase;
+ var mc = member_context.CurrentMemberDefinition as MemberBase;
dynamic_site_container = new DynamicSiteClass (CurrentTypeDefinition.Parent.PartialContainer, mc, CurrentTypeParameters);
- RootContext.ToplevelTypes.AddCompilerGeneratedClass (dynamic_site_container);
+ CurrentTypeDefinition.Module.AddCompilerGeneratedClass (dynamic_site_container);
dynamic_site_container.CreateType ();
dynamic_site_container.DefineType ();
dynamic_site_container.ResolveTypeParameters ();
ig.Emit (opcode, method);
}
- // TODO: REMOVE breaks mutator
- public void Emit (OpCode opcode, FieldBuilder field)
- {
- ig.Emit (opcode, field);
- }
-
- public void Emit (OpCode opcode, MethodSpec method, Type[] vargs)
+ public void Emit (OpCode opcode, MethodSpec method, MetaType[] vargs)
{
// TODO MemberCache: This should mutate too
ig.EmitCall (opcode, (MethodInfo) method.GetMetaInfo (), vargs);
else if (type == TypeManager.intptr_type)
ig.Emit (OpCodes.Stind_I);
else if (TypeManager.IsStruct (type) || TypeManager.IsGenericParameter (type))
- ig.Emit (OpCodes.Stobj, type.GetMetaInfo ());
+ Emit (OpCodes.Stobj, type);
else
ig.Emit (OpCodes.Stind_Ref);
}
return return_value;
}
}
-
- public abstract class CommonAssemblyModulClass : Attributable, IMemberContext
- {
- public void AddAttributes (List<Attribute> attrs, IMemberContext context)
- {
- foreach (Attribute a in attrs)
- a.AttachTo (this, context);
-
- if (attributes == null) {
- attributes = new Attributes (attrs);
- return;
- }
- attributes.AddAttributes (attrs);
- }
-
- public virtual void Emit (TypeContainer tc)
- {
- if (OptAttributes == null)
- return;
-
- OptAttributes.Emit ();
- }
-
- protected Attribute ResolveAttribute (PredefinedAttribute a_type)
- {
- Attribute a = OptAttributes.Search (a_type);
- if (a != null) {
- a.Resolve ();
- }
- return a;
- }
-
- #region IMemberContext Members
-
- public CompilerContext Compiler {
- get { return RootContext.ToplevelTypes.Compiler; }
- }
-
- public TypeSpec CurrentType {
- get { return null; }
- }
-
- public TypeParameter[] CurrentTypeParameters {
- get { return null; }
- }
-
- public MemberCore CurrentMemberDefinition {
- get { return RootContext.ToplevelTypes; }
- }
-
- public string GetSignatureForError ()
- {
- return "<module>";
- }
-
- public bool HasUnresolvedConstraints {
- get { return false; }
- }
-
- public bool IsObsolete {
- get { return false; }
- }
-
- public bool IsUnsafe {
- get { return false; }
- }
-
- public bool IsStatic {
- get { return false; }
- }
-
- public IList<MethodSpec> LookupExtensionMethod (TypeSpec extensionType, string name, int arity, ref NamespaceEntry scope)
- {
- throw new NotImplementedException ();
- }
-
- public FullNamedExpression LookupNamespaceOrType (string name, int arity, Location loc, bool ignore_cs0104)
- {
- return RootContext.ToplevelTypes.LookupNamespaceOrType (name, arity, loc, ignore_cs0104);
- }
-
- public FullNamedExpression LookupNamespaceAlias (string name)
- {
- return null;
- }
-
- #endregion
- }
-
- public class AssemblyClass : CommonAssemblyModulClass {
- // TODO: make it private and move all builder based methods here
- public AssemblyBuilder Builder;
- bool is_cls_compliant;
- bool wrap_non_exception_throws;
-
- public Attribute ClsCompliantAttribute;
-
- Dictionary<SecurityAction, PermissionSet> declarative_security;
- bool has_extension_method;
- public AssemblyName Name;
- MethodInfo add_type_forwarder;
- Dictionary<ITypeDefinition, Attribute> emitted_forwarders;
-
- // Module is here just because of error messages
- static string[] attribute_targets = new string [] { "assembly", "module" };
-
- public AssemblyClass ()
- {
- wrap_non_exception_throws = true;
- }
-
- public bool HasExtensionMethods {
- set {
- has_extension_method = value;
- }
- }
-
- public bool IsClsCompliant {
- get {
- return is_cls_compliant;
- }
- }
-
- public bool WrapNonExceptionThrows {
- get {
- return wrap_non_exception_throws;
- }
- }
-
- public override AttributeTargets AttributeTargets {
- get {
- return AttributeTargets.Assembly;
- }
- }
-
- public override bool IsClsComplianceRequired ()
- {
- return is_cls_compliant;
- }
-
- Report Report {
- get { return Compiler.Report; }
- }
-
- public void Resolve ()
- {
- if (RootContext.Unsafe) {
- //
- // Emits [assembly: SecurityPermissionAttribute (SecurityAction.RequestMinimum, SkipVerification = true)]
- // when -unsafe option was specified
- //
-
- Location loc = Location.Null;
-
- MemberAccess system_security_permissions = new MemberAccess (new MemberAccess (
- new QualifiedAliasMember (QualifiedAliasMember.GlobalAlias, "System", loc), "Security", loc), "Permissions", loc);
-
- Arguments pos = new Arguments (1);
- pos.Add (new Argument (new MemberAccess (new MemberAccess (system_security_permissions, "SecurityAction", loc), "RequestMinimum")));
-
- Arguments named = new Arguments (1);
- named.Add (new NamedArgument ("SkipVerification", loc, new BoolLiteral (true, loc)));
-
- GlobalAttribute g = new GlobalAttribute (new NamespaceEntry (null, null, null), "assembly",
- new MemberAccess (system_security_permissions, "SecurityPermissionAttribute"),
- new Arguments[] { pos, named }, loc, false);
- g.AttachTo (this, this);
-
- if (g.Resolve () != null) {
- declarative_security = new Dictionary<SecurityAction, PermissionSet> ();
- g.ExtractSecurityPermissionSet (declarative_security);
- }
- }
-
- if (OptAttributes == null)
- return;
-
- // Ensure that we only have GlobalAttributes, since the Search isn't safe with other types.
- if (!OptAttributes.CheckTargets())
- return;
-
- ClsCompliantAttribute = ResolveAttribute (PredefinedAttributes.Get.CLSCompliant);
-
- if (ClsCompliantAttribute != null) {
- is_cls_compliant = ClsCompliantAttribute.GetClsCompliantAttributeValue ();
- }
-
- Attribute a = ResolveAttribute (PredefinedAttributes.Get.RuntimeCompatibility);
- if (a != null) {
- var val = a.GetPropertyValue ("WrapNonExceptionThrows") as BoolConstant;
- if (val != null)
- wrap_non_exception_throws = val.Value;
- }
- }
-
- // fix bug #56621
- private void SetPublicKey (AssemblyName an, byte[] strongNameBlob)
- {
- try {
- // check for possible ECMA key
- if (strongNameBlob.Length == 16) {
- // will be rejected if not "the" ECMA key
- an.SetPublicKey (strongNameBlob);
- }
- else {
- // take it, with or without, a private key
- RSA rsa = CryptoConvert.FromCapiKeyBlob (strongNameBlob);
- // and make sure we only feed the public part to Sys.Ref
- byte[] publickey = CryptoConvert.ToCapiPublicKeyBlob (rsa);
-
- // AssemblyName.SetPublicKey requires an additional header
- byte[] publicKeyHeader = new byte [12] { 0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00 };
-
- byte[] encodedPublicKey = new byte [12 + publickey.Length];
- Buffer.BlockCopy (publicKeyHeader, 0, encodedPublicKey, 0, 12);
- Buffer.BlockCopy (publickey, 0, encodedPublicKey, 12, publickey.Length);
- an.SetPublicKey (encodedPublicKey);
- }
- }
- catch (Exception) {
- Error_AssemblySigning ("The specified file `" + RootContext.StrongNameKeyFile + "' is incorrectly encoded");
- Environment.Exit (1);
- }
- }
-
- void Error_ObsoleteSecurityAttribute (Attribute a, string option)
- {
- Report.Warning (1699, 1, a.Location,
- "Use compiler option `{0}' or appropriate project settings instead of `{1}' attribute",
- option, a.Name);
- }
-
- // TODO: rewrite this code (to kill N bugs and make it faster) and use standard ApplyAttribute way.
- public AssemblyName GetAssemblyName (string name, string output)
- {
- if (OptAttributes != null) {
- foreach (Attribute a in OptAttributes.Attrs) {
- // cannot rely on any resolve-based members before you call Resolve
- if (a.ExplicitTarget == null || a.ExplicitTarget != "assembly")
- continue;
-
- // TODO: This code is buggy: comparing Attribute name without resolving is wrong.
- // However, this is invoked by CodeGen.Init, when none of the namespaces
- // are loaded yet.
- // TODO: Does not handle quoted attributes properly
- switch (a.Name) {
- case "AssemblyKeyFile":
- case "AssemblyKeyFileAttribute":
- case "System.Reflection.AssemblyKeyFileAttribute":
- if (RootContext.StrongNameKeyFile != null) {
- Report.SymbolRelatedToPreviousError (a.Location, a.GetSignatureForError ());
- Report.Warning (1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
- "keyfile", "System.Reflection.AssemblyKeyFileAttribute");
- } else {
- string value = a.GetString ();
- if (!string.IsNullOrEmpty (value)) {
- Error_ObsoleteSecurityAttribute (a, "keyfile");
- RootContext.StrongNameKeyFile = value;
- }
- }
- break;
- case "AssemblyKeyName":
- case "AssemblyKeyNameAttribute":
- case "System.Reflection.AssemblyKeyNameAttribute":
- if (RootContext.StrongNameKeyContainer != null) {
- Report.SymbolRelatedToPreviousError (a.Location, a.GetSignatureForError ());
- Report.Warning (1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
- "keycontainer", "System.Reflection.AssemblyKeyNameAttribute");
- } else {
- string value = a.GetString ();
- if (!string.IsNullOrEmpty (value)) {
- Error_ObsoleteSecurityAttribute (a, "keycontainer");
- RootContext.StrongNameKeyContainer = value;
- }
- }
- break;
- case "AssemblyDelaySign":
- case "AssemblyDelaySignAttribute":
- case "System.Reflection.AssemblyDelaySignAttribute":
- bool b = a.GetBoolean ();
- if (b) {
- Error_ObsoleteSecurityAttribute (a, "delaysign");
- }
-
- RootContext.StrongNameDelaySign = b;
- break;
- }
- }
- }
-
- AssemblyName an = new AssemblyName ();
- an.Name = Path.GetFileNameWithoutExtension (name);
-
- // note: delay doesn't apply when using a key container
- if (RootContext.StrongNameKeyContainer != null) {
- an.KeyPair = new StrongNameKeyPair (RootContext.StrongNameKeyContainer);
- return an;
- }
-
- // strongname is optional
- if (RootContext.StrongNameKeyFile == null)
- return an;
-
- string AssemblyDir = Path.GetDirectoryName (output);
-
- // the StrongName key file may be relative to (a) the compiled
- // file or (b) to the output assembly. See bugzilla #55320
- // http://bugzilla.ximian.com/show_bug.cgi?id=55320
-
- // (a) relative to the compiled file
- string filename = Path.GetFullPath (RootContext.StrongNameKeyFile);
- bool exist = File.Exists (filename);
- if ((!exist) && (AssemblyDir != null) && (AssemblyDir != String.Empty)) {
- // (b) relative to the outputed assembly
- filename = Path.GetFullPath (Path.Combine (AssemblyDir, RootContext.StrongNameKeyFile));
- exist = File.Exists (filename);
- }
-
- if (exist) {
- using (FileStream fs = new FileStream (filename, FileMode.Open, FileAccess.Read)) {
- byte[] snkeypair = new byte [fs.Length];
- fs.Read (snkeypair, 0, snkeypair.Length);
-
- if (RootContext.StrongNameDelaySign) {
- // delayed signing - DO NOT include private key
- SetPublicKey (an, snkeypair);
- }
- else {
- // no delay so we make sure we have the private key
- try {
- CryptoConvert.FromCapiPrivateKeyBlob (snkeypair);
- an.KeyPair = new StrongNameKeyPair (snkeypair);
- }
- catch (CryptographicException) {
- if (snkeypair.Length == 16) {
- // error # is different for ECMA key
- Report.Error (1606, "Could not sign the assembly. " +
- "ECMA key can only be used to delay-sign assemblies");
- }
- else {
- Error_AssemblySigning ("The specified file `" + RootContext.StrongNameKeyFile + "' does not have a private key");
- }
- return null;
- }
- }
- }
- }
- else {
- Error_AssemblySigning ("The specified file `" + RootContext.StrongNameKeyFile + "' does not exist");
- return null;
- }
- return an;
- }
-
- void Error_AssemblySigning (string text)
- {
- Report.Error (1548, "Error during assembly signing. " + text);
- }
-
- bool CheckInternalsVisibleAttribute (Attribute a)
- {
- string assembly_name = a.GetString ();
- if (assembly_name.Length == 0)
- return false;
-
- AssemblyName aname = null;
- try {
- aname = new AssemblyName (assembly_name);
- } catch (FileLoadException) {
- } catch (ArgumentException) {
- }
-
- // Bad assembly name format
- if (aname == null)
- Report.Warning (1700, 3, a.Location, "Assembly reference `" + assembly_name + "' is invalid and cannot be resolved");
- // Report error if we have defined Version or Culture
- else if (aname.Version != null || aname.CultureInfo != null)
- throw new Exception ("Friend assembly `" + a.GetString () +
- "' is invalid. InternalsVisibleTo cannot have version or culture specified.");
- else if (aname.GetPublicKey () == null && Name.GetPublicKey () != null && Name.GetPublicKey ().Length != 0) {
- Report.Error (1726, a.Location, "Friend assembly reference `" + aname.FullName + "' is invalid." +
- " Strong named assemblies must specify a public key in their InternalsVisibleTo declarations");
- return false;
- }
-
- return true;
- }
-
- static string IsValidAssemblyVersion (string version)
- {
- Version v;
- try {
- v = new Version (version);
- } catch {
- try {
- int major = int.Parse (version, CultureInfo.InvariantCulture);
- v = new Version (major, 0);
- } catch {
- return null;
- }
- }
-
- foreach (int candidate in new int [] { v.Major, v.Minor, v.Build, v.Revision }) {
- if (candidate > ushort.MaxValue)
- return null;
- }
-
- return new Version (v.Major, System.Math.Max (0, v.Minor), System.Math.Max (0, v.Build), System.Math.Max (0, v.Revision)).ToString (4);
- }
-
- public override void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
- {
- if (a.IsValidSecurityAttribute ()) {
- if (declarative_security == null)
- declarative_security = new Dictionary<SecurityAction, PermissionSet> ();
-
- a.ExtractSecurityPermissionSet (declarative_security);
- return;
- }
-
- if (a.Type == pa.AssemblyCulture) {
- string value = a.GetString ();
- if (value == null || value.Length == 0)
- return;
-
- if (RootContext.Target == Target.Exe) {
- a.Error_AttributeEmitError ("The executables cannot be satelite assemblies, remove the attribute or keep it empty");
- return;
- }
-
- try {
- var fi = typeof (AssemblyBuilder).GetField ("culture", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.SetField);
- fi.SetValue (CodeGen.Assembly.Builder, value == "neutral" ? "" : value);
- } catch {
- Report.RuntimeMissingSupport (a.Location, "AssemblyCultureAttribute setting");
- }
-
- return;
- }
-
- if (a.Type == pa.AssemblyVersion) {
- string value = a.GetString ();
- if (value == null || value.Length == 0)
- return;
-
- var vinfo = IsValidAssemblyVersion (value.Replace ('*', '0'));
- if (vinfo == null) {
- a.Error_AttributeEmitError (string.Format ("Specified version `{0}' is not valid", value));
- return;
- }
-
- try {
- var fi = typeof (AssemblyBuilder).GetField ("version", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.SetField);
- fi.SetValue (CodeGen.Assembly.Builder, vinfo);
- } catch {
- Report.RuntimeMissingSupport (a.Location, "AssemblyVersionAttribute setting");
- }
-
- return;
- }
-
- if (a.Type == pa.AssemblyAlgorithmId) {
- const int pos = 2; // skip CA header
- uint alg = (uint) cdata [pos];
- alg |= ((uint) cdata [pos + 1]) << 8;
- alg |= ((uint) cdata [pos + 2]) << 16;
- alg |= ((uint) cdata [pos + 3]) << 24;
-
- try {
- var fi = typeof (AssemblyBuilder).GetField ("algid", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.SetField);
- fi.SetValue (CodeGen.Assembly.Builder, alg);
- } catch {
- Report.RuntimeMissingSupport (a.Location, "AssemblyAlgorithmIdAttribute setting");
- }
-
- return;
- }
-
- if (a.Type == pa.AssemblyFlags) {
- const int pos = 2; // skip CA header
- uint flags = (uint) cdata[pos];
- flags |= ((uint) cdata[pos + 1]) << 8;
- flags |= ((uint) cdata[pos + 2]) << 16;
- flags |= ((uint) cdata[pos + 3]) << 24;
-
- // Ignore set PublicKey flag if assembly is not strongnamed
- if ((flags & (uint) AssemblyNameFlags.PublicKey) != 0 && (CodeGen.Assembly.Builder.GetName ().KeyPair == null))
- flags &= ~(uint)AssemblyNameFlags.PublicKey;
-
- try {
- var fi = typeof (AssemblyBuilder).GetField ("flags", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.SetField);
- fi.SetValue (CodeGen.Assembly.Builder, flags);
- } catch {
- Report.RuntimeMissingSupport (a.Location, "AssemblyFlagsAttribute setting");
- }
-
- return;
- }
-
- if (a.Type == pa.InternalsVisibleTo && !CheckInternalsVisibleAttribute (a))
- return;
-
- if (a.Type == pa.TypeForwarder) {
- TypeSpec t = a.GetArgumentType ();
- if (t == null || TypeManager.HasElementType (t)) {
- Report.Error (735, a.Location, "Invalid type specified as an argument for TypeForwardedTo attribute");
- return;
- }
-
- if (emitted_forwarders == null) {
- emitted_forwarders = new Dictionary<ITypeDefinition, Attribute> ();
- } else if (emitted_forwarders.ContainsKey (t.MemberDefinition)) {
- Report.SymbolRelatedToPreviousError(emitted_forwarders[t.MemberDefinition].Location, null);
- Report.Error(739, a.Location, "A duplicate type forward of type `{0}'",
- TypeManager.CSharpName(t));
- return;
- }
-
- emitted_forwarders.Add(t.MemberDefinition, a);
-
- if (t.Assembly == Builder) {
- Report.SymbolRelatedToPreviousError (t);
- Report.Error (729, a.Location, "Cannot forward type `{0}' because it is defined in this assembly",
- TypeManager.CSharpName (t));
- return;
- }
-
- if (t.IsNested) {
- Report.Error (730, a.Location, "Cannot forward type `{0}' because it is a nested type",
- TypeManager.CSharpName (t));
- return;
- }
-
- if (add_type_forwarder == null) {
- add_type_forwarder = typeof (AssemblyBuilder).GetMethod ("AddTypeForwarder",
- BindingFlags.NonPublic | BindingFlags.Instance);
-
- if (add_type_forwarder == null) {
- Report.RuntimeMissingSupport (a.Location, "TypeForwardedTo attribute");
- return;
- }
- }
-
- add_type_forwarder.Invoke (Builder, new object[] { t.GetMetaInfo () });
- return;
- }
-
- if (a.Type == pa.Extension) {
- a.Error_MisusedExtensionAttribute ();
- return;
- }
-
- Builder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), cdata);
- }
-
- public override void Emit (TypeContainer tc)
- {
- base.Emit (tc);
-
- if (has_extension_method)
- PredefinedAttributes.Get.Extension.EmitAttribute (Builder);
-
- // FIXME: Does this belong inside SRE.AssemblyBuilder instead?
- PredefinedAttribute pa = PredefinedAttributes.Get.RuntimeCompatibility;
- if (pa.IsDefined && (OptAttributes == null || !OptAttributes.Contains (pa))) {
- var ci = TypeManager.GetPredefinedConstructor (pa.Type, Location.Null, TypeSpec.EmptyTypes);
- PropertyInfo [] pis = new PropertyInfo [1];
- pis [0] = TypeManager.GetPredefinedProperty (pa.Type,
- "WrapNonExceptionThrows", Location.Null, TypeManager.bool_type).MetaInfo;
- object [] pargs = new object [1];
- pargs [0] = true;
- Builder.SetCustomAttribute (new CustomAttributeBuilder ((ConstructorInfo) ci.GetMetaInfo (), new object[0], pis, pargs));
- }
-
- if (declarative_security != null) {
-
- MethodInfo add_permission = typeof (AssemblyBuilder).GetMethod ("AddPermissionRequests", BindingFlags.Instance | BindingFlags.NonPublic);
- object builder_instance = Builder;
-
- try {
- // Microsoft runtime hacking
- if (add_permission == null) {
- var assembly_builder = typeof (AssemblyBuilder).Assembly.GetType ("System.Reflection.Emit.AssemblyBuilderData");
- add_permission = assembly_builder.GetMethod ("AddPermissionRequests", BindingFlags.Instance | BindingFlags.NonPublic);
-
- FieldInfo fi = typeof (AssemblyBuilder).GetField ("m_assemblyData", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.GetField);
- builder_instance = fi.GetValue (Builder);
- }
-
- var args = new PermissionSet [3];
- declarative_security.TryGetValue (SecurityAction.RequestMinimum, out args [0]);
- declarative_security.TryGetValue (SecurityAction.RequestOptional, out args [1]);
- declarative_security.TryGetValue (SecurityAction.RequestRefuse, out args [2]);
- add_permission.Invoke (builder_instance, args);
- }
- catch {
- Report.RuntimeMissingSupport (Location.Null, "assembly permission setting");
- }
- }
- }
-
- public override string[] ValidAttributeTargets {
- get {
- return attribute_targets;
- }
- }
-
- // Wrapper for AssemblyBuilder.AddModule
- static MethodInfo adder_method;
- static public MethodInfo AddModule_Method {
- get {
- if (adder_method == null)
- adder_method = typeof (AssemblyBuilder).GetMethod ("AddModule", BindingFlags.Instance|BindingFlags.NonPublic);
- return adder_method;
- }
- }
- public Module AddModule (string module)
- {
- MethodInfo m = AddModule_Method;
- if (m == null) {
- Report.RuntimeMissingSupport (Location.Null, "/addmodule");
- Environment.Exit (1);
- }
-
- try {
- return (Module) m.Invoke (Builder, new object [] { module });
- } catch (TargetInvocationException ex) {
- throw ex.InnerException;
- }
- }
- }
}
projects / mono.git / blobdiff