Xamarin Public Jenkins (auto-signing) 7d7f676260 Imported Upstream version 5.16.0.100
Former-commit-id: 38faa55fb9669e35e7d8448b15c25dc447f25767
2018-08-07 15:19:03 +00:00

1331 lines
38 KiB
C#

//
// assembly.cs: Assembly declaration and specifications
//
// Authors:
// Miguel de Icaza (miguel@ximian.com)
// Marek Safar (marek.safar@gmail.com)
//
// Copyright 2001, 2002, 2003 Ximian, Inc.
// Copyright 2004-2011 Novell, Inc.
// Copyright 2011-2013 Xamarin Inc
//
using System;
using System.IO;
using System.Collections.Generic;
using System.Globalization;
using System.Security;
using System.Security.Cryptography;
using System.Security.Permissions;
using Mono.Security.Cryptography;
using Mono.CompilerServices.SymbolWriter;
using System.Linq;
#if STATIC
using IKVM.Reflection;
using IKVM.Reflection.Emit;
using SecurityType = System.Collections.Generic.List<IKVM.Reflection.Emit.CustomAttributeBuilder>;
#else
using SecurityType = System.Collections.Generic.Dictionary<System.Security.Permissions.SecurityAction, System.Security.PermissionSet>;
using System.Reflection;
using System.Reflection.Emit;
#endif
namespace Mono.CSharp
{
public interface IAssemblyDefinition
{
string FullName { get; }
bool IsCLSCompliant { get; }
bool IsMissing { get; }
string Name { get; }
byte[] GetPublicKeyToken ();
bool IsFriendAssemblyTo (IAssemblyDefinition assembly);
}
public class AssemblyReferenceMessageInfo
{
public AssemblyReferenceMessageInfo (AssemblyName dependencyName, Action<Report> reportMessage)
{
this.DependencyName = dependencyName;
this.ReportMessage = reportMessage;
}
public AssemblyName DependencyName { get; private set; }
public Action<Report> ReportMessage { get; private set; }
}
public abstract class AssemblyDefinition : IAssemblyDefinition
{
// TODO: make it private and move all builder based methods here
public AssemblyBuilder Builder;
protected AssemblyBuilderExtension builder_extra;
MonoSymbolFile symbol_writer;
bool is_cls_compliant;
bool wrap_non_exception_throws;
bool wrap_non_exception_throws_custom;
bool has_user_debuggable;
protected ModuleContainer module;
readonly string name;
protected readonly string file_name;
byte[] public_key, public_key_token;
bool delay_sign;
// Holds private/public key pair when private key
// was available
StrongNameKeyPair private_key;
Attribute cls_attribute;
Method entry_point;
protected List<ImportedModuleDefinition> added_modules;
SecurityType declarative_security;
Dictionary<ITypeDefinition, Attribute> emitted_forwarders;
AssemblyAttributesPlaceholder module_target_attrs;
// Win32 version info values
string vi_product, vi_product_version, vi_company, vi_copyright, vi_trademark;
string pa_file_version, pa_assembly_version;
protected AssemblyDefinition (ModuleContainer module, string name)
{
this.module = module;
this.name = Path.GetFileNameWithoutExtension (name);
wrap_non_exception_throws = true;
delay_sign = Compiler.Settings.StrongNameDelaySign;
//
// Load strong name key early enough for assembly importer to be able to
// use the keys for InternalsVisibleTo
// This should go somewhere close to ReferencesLoading but don't have the place yet
//
if (Compiler.Settings.HasKeyFileOrContainer) {
LoadPublicKey (Compiler.Settings.StrongNameKeyFile, Compiler.Settings.StrongNameKeyContainer);
}
}
protected AssemblyDefinition (ModuleContainer module, string name, string fileName)
: this (module, name)
{
this.file_name = fileName;
}
#region Properties
public Attribute CLSCompliantAttribute {
get {
return cls_attribute;
}
}
public CompilerContext Compiler {
get {
return module.Compiler;
}
}
//
// Assembly entry point, aka Main method
//
public Method EntryPoint {
get {
return entry_point;
}
set {
entry_point = value;
}
}
public string FullName {
get {
return Builder.FullName;
}
}
public bool HasCLSCompliantAttribute {
get {
return cls_attribute != null;
}
}
// TODO: This should not exist here but will require more changes
public MetadataImporter Importer {
get; set;
}
public bool IsCLSCompliant {
get {
return is_cls_compliant;
}
}
bool IAssemblyDefinition.IsMissing {
get {
return false;
}
}
public bool IsSatelliteAssembly { get; private set; }
public string Name {
get {
return name;
}
}
public bool WrapNonExceptionThrows {
get {
return wrap_non_exception_throws;
}
}
protected Report Report {
get {
return Compiler.Report;
}
}
public MonoSymbolFile SymbolWriter {
get {
return symbol_writer;
}
}
#endregion
public void AddModule (ImportedModuleDefinition module)
{
if (added_modules == null) {
added_modules = new List<ImportedModuleDefinition> ();
added_modules.Add (module);
}
}
public void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.IsValidSecurityAttribute ()) {
a.ExtractSecurityPermissionSet (ctor, ref declarative_security);
return;
}
if (a.Type == pa.AssemblyCulture) {
string value = a.GetString ();
if (value == null || value.Length == 0)
return;
if (Compiler.Settings.Target == Target.Exe) {
Report.Error (7059, a.Location, "Executables cannot be satellite assemblies. Remove the attribute or keep it empty");
return;
}
if (value == "neutral")
value = "";
if (Compiler.Settings.Target == Target.Module) {
SetCustomAttribute (ctor, cdata);
} else {
builder_extra.SetCulture (value, a.Location);
}
IsSatelliteAssembly = true;
return;
}
if (a.Type == pa.AssemblyVersion) {
string value = a.GetString ();
if (value == null || value.Length == 0)
return;
var vinfo = IsValidAssemblyVersion (value, true);
if (vinfo == null) {
Report.Error (7034, a.Location, "The specified version string `{0}' does not conform to the required format - major[.minor[.build[.revision]]]",
value);
return;
}
if (Compiler.Settings.Target == Target.Module) {
SetCustomAttribute (ctor, cdata);
} else {
builder_extra.SetVersion (vinfo, a.Location);
pa_assembly_version = vinfo.ToString ();
}
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;
if (Compiler.Settings.Target == Target.Module) {
SetCustomAttribute (ctor, cdata);
} else {
builder_extra.SetAlgorithmId (alg, a.Location);
}
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 && public_key == null)
flags &= ~(uint) AssemblyNameFlags.PublicKey;
if (Compiler.Settings.Target == Target.Module) {
SetCustomAttribute (ctor, cdata);
} else {
builder_extra.SetFlags (flags, a.Location);
}
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}'",
t.GetSignatureForError ());
return;
}
emitted_forwarders.Add (t.MemberDefinition, a);
if (t.MemberDefinition.DeclaringAssembly == this) {
Report.SymbolRelatedToPreviousError (t);
Report.Error (729, a.Location, "Cannot forward type `{0}' because it is defined in this assembly",
t.GetSignatureForError ());
return;
}
if (t.IsNested) {
Report.Error (730, a.Location, "Cannot forward type `{0}' because it is a nested type",
t.GetSignatureForError ());
return;
}
AddTypeForwarders (t, a.Location);
return;
}
if (a.Type == pa.Extension) {
a.Error_MisusedExtensionAttribute ();
return;
}
if (a.Type == pa.InternalsVisibleTo) {
string assembly_name = a.GetString ();
if (assembly_name == null) {
Report.Error (7030, a.Location, "Friend assembly reference cannot have `null' value");
return;
}
if (assembly_name.Length == 0)
return;
#if STATIC
ParsedAssemblyName aname;
ParseAssemblyResult r = Fusion.ParseAssemblyName (assembly_name, out aname);
if (r != ParseAssemblyResult.OK) {
Report.Warning (1700, 3, a.Location, "Friend assembly reference `{0}' is invalid and cannot be resolved",
assembly_name);
return;
}
if (aname.Version != null || aname.Culture != null || aname.ProcessorArchitecture != ProcessorArchitecture.None) {
Report.Error (1725, a.Location,
"Friend assembly reference `{0}' is invalid. InternalsVisibleTo declarations cannot have a version, culture or processor architecture specified",
assembly_name);
return;
}
if (public_key != null && !aname.HasPublicKey) {
Report.Error (1726, a.Location,
"Friend assembly reference `{0}' is invalid. Strong named assemblies must specify a public key in their InternalsVisibleTo declarations",
assembly_name);
return;
}
#endif
} else if (a.Type == pa.RuntimeCompatibility) {
wrap_non_exception_throws_custom = true;
} else if (a.Type == pa.AssemblyFileVersion) {
pa_file_version = a.GetString ();
if (string.IsNullOrEmpty (pa_file_version) || IsValidAssemblyVersion (pa_file_version, false) == null) {
Report.Warning (7035, 1, a.Location, "The specified version string `{0}' does not conform to the recommended format major.minor.build.revision",
pa_file_version, a.Name);
return;
}
// File version info decoding from blob is not supported
var cab = new CustomAttributeBuilder ((ConstructorInfo)ctor.GetMetaInfo (), new object [] { pa_file_version });
Builder.SetCustomAttribute (cab);
return;
} else if (a.Type == pa.AssemblyProduct) {
vi_product = a.GetString ();
} else if (a.Type == pa.AssemblyCompany) {
vi_company = a.GetString ();
} else if (a.Type == pa.AssemblyCopyright) {
vi_copyright = a.GetString ();
} else if (a.Type == pa.AssemblyTrademark) {
vi_trademark = a.GetString ();
} else if (a.Type == pa.Debuggable) {
has_user_debuggable = true;
} else if (a.Type == pa.AssemblyInformationalVersion) {
vi_product_version = a.GetString ();
}
//
// Win32 version info attributes AssemblyDescription and AssemblyTitle cannot be
// set using public API and because we have blob like attributes we need to use
// special option DecodeVersionInfoAttributeBlobs to support values extraction
//
SetCustomAttribute (ctor, cdata);
}
void AddTypeForwarders (TypeSpec type, Location loc)
{
builder_extra.AddTypeForwarder (type.GetDefinition (), loc);
var ntypes = MemberCache.GetDeclaredNestedTypes (type);
if (ntypes == null)
return;
foreach (var nested in ntypes) {
if (nested.IsPrivate)
continue;
AddTypeForwarders (nested, loc);
}
}
//
// When using assembly public key attributes InternalsVisibleTo key
// was not checked, we have to do it later when we actually know what
// our public key token is
//
void CheckReferencesPublicToken ()
{
var references = builder_extra.GetReferencedAssemblies ();
foreach (var an in references) {
if (public_key != null && an.GetPublicKey ().Length == 0) {
Report.Error (1577, "Referenced assembly `{0}' does not have a strong name",
an.FullName);
}
var ci = an.CultureInfo;
if (!ci.Equals (CultureInfo.InvariantCulture)) {
Report.Warning (8009, 1, "Referenced assembly `{0}' has different culture setting of `{1}'",
an.Name, ci.Name);
}
var ia = Importer.GetImportedAssemblyDefinition (an);
if (ia == null)
continue;
var an_references = GetNotUnifiedReferences (an);
if (an_references != null) {
foreach (var r in an_references) {
//
// Secondary check when assembly references is resolved but not used. For example
// due to type-forwarding
//
if (references.Any (l => l.Name == r.DependencyName.Name)) {
r.ReportMessage (Report);
}
}
}
if (!ia.IsFriendAssemblyTo (this))
continue;
var attr = ia.GetAssemblyVisibleToName (this);
var atoken = attr.GetPublicKeyToken ();
if (ArrayComparer.IsEqual (GetPublicKeyToken (), atoken))
continue;
Report.SymbolRelatedToPreviousError (ia.Location);
Report.Error (281,
"Friend access was granted to `{0}', but the output assembly is named `{1}'. Try adding a reference to `{0}' or change the output assembly name to match it",
attr.FullName, FullName);
}
}
protected AssemblyName CreateAssemblyName ()
{
var an = new AssemblyName (name);
if (public_key != null && Compiler.Settings.Target != Target.Module) {
if (delay_sign) {
an.SetPublicKey (public_key);
} else {
if (public_key.Length == 16) {
Report.Error (1606, "Could not sign the assembly. ECMA key can only be used to delay-sign assemblies");
} else if (private_key == null) {
Error_AssemblySigning ("The specified key file does not have a private key");
} else {
an.KeyPair = private_key;
}
}
}
return an;
}
public virtual ModuleBuilder CreateModuleBuilder ()
{
if (file_name == null)
throw new NotSupportedException ("transient module in static assembly");
var module_name = Path.GetFileName (file_name);
// Always initialize module without symbolInfo. We could be framework dependent
// but returned ISymbolWriter does not have all what we need therefore some
// adaptor will be needed for now we alwayas emit MDB format when generating
// debug info
return Builder.DefineDynamicModule (module_name, module_name, false);
}
public virtual void Emit ()
{
if (Compiler.Settings.Target == Target.Module) {
module_target_attrs = new AssemblyAttributesPlaceholder (module, name);
module_target_attrs.CreateContainer ();
module_target_attrs.DefineContainer ();
module_target_attrs.Define ();
module.AddCompilerGeneratedClass (module_target_attrs);
} else if (added_modules != null) {
ReadModulesAssemblyAttributes ();
}
if (Compiler.Settings.GenerateDebugInfo) {
symbol_writer = new MonoSymbolFile ();
}
module.EmitContainer ();
if (module.HasExtensionMethod) {
var pa = module.PredefinedAttributes.Extension;
if (pa.IsDefined) {
SetCustomAttribute (pa.Constructor, AttributeEncoder.Empty);
}
}
if (!IsSatelliteAssembly) {
if (!has_user_debuggable && Compiler.Settings.GenerateDebugInfo) {
var pa = module.PredefinedAttributes.Debuggable;
if (pa.IsDefined) {
var modes = System.Diagnostics.DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints;
if (!Compiler.Settings.Optimize)
modes |= System.Diagnostics.DebuggableAttribute.DebuggingModes.DisableOptimizations;
pa.EmitAttribute (Builder, modes);
}
}
if (!wrap_non_exception_throws_custom) {
PredefinedAttribute pa = module.PredefinedAttributes.RuntimeCompatibility;
if (pa.IsDefined && pa.ResolveBuilder ()) {
var prop = module.PredefinedMembers.RuntimeCompatibilityWrapNonExceptionThrows.Get ();
if (prop != null) {
AttributeEncoder encoder = new AttributeEncoder ();
encoder.EncodeNamedPropertyArgument (prop, new BoolLiteral (Compiler.BuiltinTypes, true, Location.Null));
SetCustomAttribute (pa.Constructor, encoder.ToArray (out var references));
module.AddAssemblyReferences (references);
}
}
}
if (declarative_security != null) {
#if STATIC
foreach (var entry in declarative_security) {
Builder.__AddDeclarativeSecurity (entry);
}
#else
throw new NotSupportedException ("Assembly-level security");
#endif
}
}
CheckReferencesPublicToken ();
SetEntryPoint ();
}
public byte[] GetPublicKeyToken ()
{
if (public_key == null || public_key_token != null)
return public_key_token;
HashAlgorithm ha = SHA1.Create ();
byte[] hash = ha.ComputeHash (public_key);
// we need the last 8 bytes in reverse order
public_key_token = new byte[8];
Buffer.BlockCopy (hash, hash.Length - 8, public_key_token, 0, 8);
Array.Reverse (public_key_token, 0, 8);
return public_key_token;
}
protected virtual List<AssemblyReferenceMessageInfo> GetNotUnifiedReferences (AssemblyName assemblyName)
{
return null;
}
//
// Either keyFile or keyContainer has to be non-null
//
void LoadPublicKey (string keyFile, string keyContainer)
{
if (keyContainer != null) {
try {
private_key = new StrongNameKeyPair (keyContainer);
public_key = private_key.PublicKey;
} catch {
Error_AssemblySigning ("The specified key container `" + keyContainer + "' does not exist");
}
return;
}
bool key_file_exists = File.Exists (keyFile);
//
// For attribute based KeyFile do additional lookup
// in output assembly path
//
if (!key_file_exists && Compiler.Settings.StrongNameKeyFile == null) {
//
// The key file can be relative to output assembly
//
string test_path = Path.Combine (Path.GetDirectoryName (file_name), keyFile);
key_file_exists = File.Exists (test_path);
if (key_file_exists)
keyFile = test_path;
}
if (!key_file_exists) {
Error_AssemblySigning ("The specified key file `" + keyFile + "' does not exist");
return;
}
using (FileStream fs = new FileStream (keyFile, FileMode.Open, FileAccess.Read)) {
byte[] snkeypair = new byte[fs.Length];
fs.Read (snkeypair, 0, snkeypair.Length);
// check for ECMA key
if (snkeypair.Length == 16) {
public_key = snkeypair;
return;
}
try {
// take it, with or without, a private key
RSA rsa = CryptoConvert.FromCapiKeyBlob (snkeypair);
// 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[8] { 0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00 };
// Encode public key
public_key = new byte[12 + publickey.Length];
Buffer.BlockCopy (publicKeyHeader, 0, public_key, 0, publicKeyHeader.Length);
// Length of Public Key (in bytes)
int lastPart = public_key.Length - 12;
public_key[8] = (byte) (lastPart & 0xFF);
public_key[9] = (byte) ((lastPart >> 8) & 0xFF);
public_key[10] = (byte) ((lastPart >> 16) & 0xFF);
public_key[11] = (byte) ((lastPart >> 24) & 0xFF);
Buffer.BlockCopy (publickey, 0, public_key, 12, publickey.Length);
} catch {
Error_AssemblySigning ("The specified key file `" + keyFile + "' has incorrect format");
return;
}
if (delay_sign)
return;
try {
// TODO: Is there better way to test for a private key presence ?
CryptoConvert.FromCapiPrivateKeyBlob (snkeypair);
private_key = new StrongNameKeyPair (snkeypair);
} catch { }
}
}
void ReadModulesAssemblyAttributes ()
{
foreach (var m in added_modules) {
var cattrs = m.ReadAssemblyAttributes ();
if (cattrs == null)
continue;
module.OptAttributes.AddAttributes (cattrs);
}
}
public void Resolve ()
{
if (Compiler.Settings.Unsafe && module.PredefinedTypes.SecurityAction.Define ()) {
//
// 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);
var req_min = module.PredefinedMembers.SecurityActionRequestMinimum.Resolve (loc);
Arguments pos = new Arguments (1);
pos.Add (new Argument (req_min.GetConstant (null)));
Arguments named = new Arguments (1);
named.Add (new NamedArgument ("SkipVerification", loc, new BoolLiteral (Compiler.BuiltinTypes, true, loc)));
Attribute g = new Attribute ("assembly",
new MemberAccess (system_security_permissions, "SecurityPermissionAttribute"),
new Arguments[] { pos, named }, loc, false);
g.AttachTo (module, module);
// Disable no-location warnings (e.g. obsolete) for compiler generated attribute
Compiler.Report.DisableReporting ();
try {
var ctor = g.Resolve ();
if (ctor != null) {
g.ExtractSecurityPermissionSet (ctor, ref declarative_security);
}
} finally {
Compiler.Report.EnableReporting ();
}
}
if (module.OptAttributes == null)
return;
// Ensure that we only have GlobalAttributes, since the Search isn't safe with other types.
if (!module.OptAttributes.CheckTargets())
return;
cls_attribute = module.ResolveAssemblyAttribute (module.PredefinedAttributes.CLSCompliant);
if (cls_attribute != null) {
is_cls_compliant = cls_attribute.GetClsCompliantAttributeValue ();
}
if (added_modules != null && Compiler.Settings.VerifyClsCompliance && is_cls_compliant) {
foreach (var m in added_modules) {
if (!m.IsCLSCompliant) {
Report.Error (3013,
"Added modules must be marked with the CLSCompliant attribute to match the assembly",
m.Name);
}
}
}
Attribute a = module.ResolveAssemblyAttribute (module.PredefinedAttributes.RuntimeCompatibility);
if (a != null) {
var val = a.GetNamedValue ("WrapNonExceptionThrows") as BoolConstant;
if (val != null)
wrap_non_exception_throws = val.Value;
}
}
protected void ResolveAssemblySecurityAttributes ()
{
string key_file = null;
string key_container = null;
if (module.OptAttributes != null) {
foreach (Attribute a in module.OptAttributes.Attrs) {
// cannot rely on any resolve-based members before you call Resolve
if (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 (Compiler.Settings.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");
key_file = value;
}
}
break;
case "AssemblyKeyName":
case "AssemblyKeyNameAttribute":
case "System.Reflection.AssemblyKeyNameAttribute":
if (Compiler.Settings.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");
key_container = value;
}
}
break;
case "AssemblyDelaySign":
case "AssemblyDelaySignAttribute":
case "System.Reflection.AssemblyDelaySignAttribute":
bool b = a.GetBoolean ();
if (b) {
Error_ObsoleteSecurityAttribute (a, "delaysign");
}
delay_sign = b;
break;
}
}
}
// We came here only to report assembly attributes warnings
if (public_key != null)
return;
//
// Load the strong key file found in attributes when no
// command line key was given
//
if (key_file != null || key_container != null) {
LoadPublicKey (key_file, key_container);
} else if (delay_sign) {
Report.Warning (1607, 1, "Delay signing was requested but no key file was given");
}
}
public void EmbedResources ()
{
//
// Add Win32 resources
//
if (Compiler.Settings.Win32ResourceFile != null) {
Builder.DefineUnmanagedResource (Compiler.Settings.Win32ResourceFile);
} else {
Builder.DefineVersionInfoResource (vi_product,
vi_product_version ?? pa_file_version ?? pa_assembly_version,
vi_company,
vi_copyright,
vi_trademark);
}
if (Compiler.Settings.Win32IconFile != null) {
builder_extra.DefineWin32IconResource (Compiler.Settings.Win32IconFile);
}
if (Compiler.Settings.Resources != null) {
if (Compiler.Settings.Target == Target.Module) {
Report.Error (1507, "Cannot link resource file when building a module");
} else {
int counter = 0;
foreach (var res in Compiler.Settings.Resources) {
if (!File.Exists (res.FileName)) {
Report.Error (1566, "Error reading resource file `{0}'", res.FileName);
continue;
}
if (res.IsEmbeded) {
Stream stream;
if (counter++ < 10) {
stream = File.OpenRead (res.FileName);
} else {
// TODO: SRE API requires resource stream to be available during AssemblyBuilder::Save
// we workaround it by reading everything into memory to compile projects with
// many embedded resource (over 3500) references
stream = new MemoryStream (File.ReadAllBytes (res.FileName));
}
module.Builder.DefineManifestResource (res.Name, stream, res.Attributes);
} else {
Builder.AddResourceFile (res.Name, Path.GetFileName (res.FileName), res.Attributes);
}
}
}
}
}
public void Save ()
{
PortableExecutableKinds pekind = PortableExecutableKinds.ILOnly;
ImageFileMachine machine;
switch (Compiler.Settings.Platform) {
case Platform.X86:
pekind |= PortableExecutableKinds.Required32Bit;
machine = ImageFileMachine.I386;
break;
case Platform.X64:
pekind |= PortableExecutableKinds.PE32Plus;
machine = ImageFileMachine.AMD64;
break;
case Platform.IA64:
machine = ImageFileMachine.IA64;
break;
case Platform.AnyCPU32Preferred:
#if STATIC
pekind |= PortableExecutableKinds.Preferred32Bit;
machine = ImageFileMachine.I386;
break;
#else
throw new NotSupportedException ();
#endif
case Platform.Arm:
#if STATIC
machine = ImageFileMachine.ARM;
break;
#else
throw new NotSupportedException ();
#endif
case Platform.AnyCPU:
default:
machine = ImageFileMachine.I386;
break;
}
Compiler.TimeReporter.Start (TimeReporter.TimerType.OutputSave);
try {
if (Compiler.Settings.Target == Target.Module) {
SaveModule (pekind, machine);
} else {
Builder.Save (module.Builder.ScopeName, pekind, machine);
}
} catch (ArgumentOutOfRangeException) {
Report.Error (16, "Output file `{0}' exceeds the 4GB limit", name);
} catch (Exception e) {
Report.Error (16, "Could not write to file `{0}'. {1}", name, e.Message);
}
Compiler.TimeReporter.Stop (TimeReporter.TimerType.OutputSave);
// Save debug symbols file
if (symbol_writer != null && Compiler.Report.Errors == 0) {
// TODO: it should run in parallel
Compiler.TimeReporter.Start (TimeReporter.TimerType.DebugSave);
var filename = file_name + ".mdb";
try {
// We mmap the file, so unlink the previous version since it may be in use
File.Delete (filename);
} catch {
// We can safely ignore
}
module.WriteDebugSymbol (symbol_writer);
using (FileStream fs = new FileStream (filename, FileMode.Create, FileAccess.Write)) {
symbol_writer.CreateSymbolFile (module.Builder.ModuleVersionId, fs);
}
Compiler.TimeReporter.Stop (TimeReporter.TimerType.DebugSave);
}
}
protected virtual void SaveModule (PortableExecutableKinds pekind, ImageFileMachine machine)
{
Report.RuntimeMissingSupport (Location.Null, "-target:module");
}
void SetCustomAttribute (MethodSpec ctor, byte[] data)
{
if (module_target_attrs != null)
module_target_attrs.AddAssemblyAttribute (ctor, data);
else
Builder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), data);
}
void SetEntryPoint ()
{
if (!Compiler.Settings.NeedsEntryPoint) {
if (Compiler.Settings.MainClass != null)
Report.Error (2017, "Cannot specify -main if building a module or library");
return;
}
PEFileKinds file_kind;
switch (Compiler.Settings.Target) {
case Target.Library:
case Target.Module:
file_kind = PEFileKinds.Dll;
break;
case Target.WinExe:
file_kind = PEFileKinds.WindowApplication;
break;
default:
file_kind = PEFileKinds.ConsoleApplication;
break;
}
if (entry_point == null) {
string main_class = Compiler.Settings.MainClass;
if (main_class != null) {
// TODO: Handle dotted names
var texpr = module.GlobalRootNamespace.LookupType (module, main_class, 0, LookupMode.Probing, Location.Null);
if (texpr == null) {
Report.Error (1555, "Could not find `{0}' specified for Main method", main_class);
return;
}
var mtype = texpr.MemberDefinition as ClassOrStruct;
if (mtype == null) {
Report.Error (1556, "`{0}' specified for Main method must be a valid class or struct", main_class);
return;
}
Report.Error (1558, mtype.Location, "`{0}' does not have a suitable static Main method", mtype.GetSignatureForError ());
} else {
string pname = file_name == null ? name : Path.GetFileName (file_name);
Report.Error (5001, "Program `{0}' does not contain a static `Main' method suitable for an entry point",
pname);
}
return;
}
Builder.SetEntryPoint (entry_point.MethodBuilder, file_kind);
}
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);
}
void Error_AssemblySigning (string text)
{
Report.Error (1548, "Error during assembly signing. " + text);
}
public bool IsFriendAssemblyTo (IAssemblyDefinition assembly)
{
return false;
}
static Version IsValidAssemblyVersion (string version, bool allowGenerated)
{
string[] parts = version.Split ('.');
if (parts.Length < 1 || parts.Length > 4)
return null;
var values = new int[4];
for (int i = 0; i < parts.Length; ++i) {
if (!int.TryParse (parts[i], out values[i])) {
if (parts[i].Length == 1 && parts[i][0] == '*' && allowGenerated) {
if (i == 2) {
// Nothing can follow *
if (parts.Length > 3)
return null;
// Generate Build value based on days since 1/1/2000
TimeSpan days = DateTime.Today - new DateTime (2000, 1, 1);
values[i] = System.Math.Max (days.Days, 0);
i = 3;
}
if (i == 3) {
// Generate Revision value based on every other second today
var seconds = DateTime.Now - DateTime.Today;
values[i] = (int) seconds.TotalSeconds / 2;
continue;
}
}
return null;
}
if (values[i] > ushort.MaxValue)
return null;
}
return new Version (values[0], values[1], values[2], values[3]);
}
}
public class AssemblyResource : IEquatable<AssemblyResource>
{
public AssemblyResource (string fileName, string name)
: this (fileName, name, false)
{
}
public AssemblyResource (string fileName, string name, bool isPrivate)
{
FileName = fileName;
Name = name;
Attributes = isPrivate ? ResourceAttributes.Private : ResourceAttributes.Public;
}
public ResourceAttributes Attributes { get; private set; }
public string Name { get; private set; }
public string FileName { get; private set; }
public bool IsEmbeded { get; set; }
#region IEquatable<AssemblyResource> Members
public bool Equals (AssemblyResource other)
{
return Name == other.Name;
}
#endregion
}
//
// A placeholder class for assembly attributes when emitting module
//
class AssemblyAttributesPlaceholder : CompilerGeneratedContainer
{
static readonly string TypeNamePrefix = "<$AssemblyAttributes${0}>";
public static readonly string AssemblyFieldName = "attributes";
Field assembly;
public AssemblyAttributesPlaceholder (ModuleContainer parent, string outputName)
: base (parent, new MemberName (GetGeneratedName (outputName)), Modifiers.STATIC | Modifiers.INTERNAL)
{
assembly = new Field (this, new TypeExpression (parent.Compiler.BuiltinTypes.Object, Location), Modifiers.PUBLIC | Modifiers.STATIC,
new MemberName (AssemblyFieldName), null);
AddField (assembly);
}
public void AddAssemblyAttribute (MethodSpec ctor, byte[] data)
{
assembly.SetCustomAttribute (ctor, data);
}
public static string GetGeneratedName (string outputName)
{
return string.Format (TypeNamePrefix, outputName);
}
}
//
// Extension to System.Reflection.Emit.AssemblyBuilder to have fully compatible
// compiler. This is a default implementation for framework System.Reflection.Emit
// which does not implement any of the methods
//
public class AssemblyBuilderExtension
{
protected readonly CompilerContext ctx;
public AssemblyBuilderExtension (CompilerContext ctx)
{
this.ctx = ctx;
}
public virtual System.Reflection.Module AddModule (string module)
{
ctx.Report.RuntimeMissingSupport (Location.Null, "-addmodule");
return null;
}
public virtual void AddPermissionRequests (PermissionSet[] permissions)
{
ctx.Report.RuntimeMissingSupport (Location.Null, "assembly declarative security");
}
public virtual void AddTypeForwarder (TypeSpec type, Location loc)
{
ctx.Report.RuntimeMissingSupport (loc, "TypeForwardedToAttribute");
}
public virtual void DefineWin32IconResource (string fileName)
{
ctx.Report.RuntimeMissingSupport (Location.Null, "-win32icon");
}
public virtual AssemblyName[] GetReferencedAssemblies ()
{
return null;
}
public virtual void SetAlgorithmId (uint value, Location loc)
{
ctx.Report.RuntimeMissingSupport (loc, "AssemblyAlgorithmIdAttribute");
}
public virtual void SetCulture (string culture, Location loc)
{
ctx.Report.RuntimeMissingSupport (loc, "AssemblyCultureAttribute");
}
public virtual void SetFlags (uint flags, Location loc)
{
ctx.Report.RuntimeMissingSupport (loc, "AssemblyFlagsAttribute");
}
public virtual void SetVersion (Version version, Location loc)
{
ctx.Report.RuntimeMissingSupport (loc, "AssemblyVersionAttribute");
}
}
abstract class AssemblyReferencesLoader<T> where T : class
{
protected readonly CompilerContext compiler;
protected readonly List<string> paths;
protected AssemblyReferencesLoader (CompilerContext compiler)
{
this.compiler = compiler;
paths = new List<string> ();
paths.Add (Directory.GetCurrentDirectory ());
paths.AddRange (compiler.Settings.ReferencesLookupPaths);
}
public abstract T HasObjectType (T assembly);
protected abstract string[] GetDefaultReferences ();
public abstract T LoadAssemblyFile (string fileName, bool isImplicitReference);
public abstract void LoadReferences (ModuleContainer module);
protected void Error_FileNotFound (string fileName)
{
compiler.Report.Error (6, "Metadata file `{0}' could not be found", fileName);
}
protected void Error_FileCorrupted (string fileName)
{
compiler.Report.Error (9, "Metadata file `{0}' does not contain valid metadata", fileName);
}
protected void Error_AssemblyIsModule (string fileName)
{
compiler.Report.Error (1509,
"Referenced assembly file `{0}' is a module. Consider using `-addmodule' option to add the module",
fileName);
}
protected void Error_ModuleIsAssembly (string fileName)
{
compiler.Report.Error (1542,
"Added module file `{0}' is an assembly. Consider using `-r' option to reference the file",
fileName);
}
protected void LoadReferencesCore (ModuleContainer module, out T corlib_assembly, out List<Tuple<RootNamespace, T>> loaded)
{
compiler.TimeReporter.Start (TimeReporter.TimerType.ReferencesLoading);
loaded = new List<Tuple<RootNamespace, T>> ();
//
// Load mscorlib.dll as the first
//
if (module.Compiler.Settings.StdLib) {
corlib_assembly = LoadAssemblyFile ("mscorlib.dll", true);
} else {
corlib_assembly = default (T);
}
T a;
foreach (string r in module.Compiler.Settings.AssemblyReferences) {
a = LoadAssemblyFile (r, false);
if (a == null || EqualityComparer<T>.Default.Equals (a, corlib_assembly))
continue;
var key = Tuple.Create (module.GlobalRootNamespace, a);
if (loaded.Contains (key))
continue;
loaded.Add (key);
}
if (corlib_assembly == null) {
//
// Requires second pass because HasObjectType can trigger assembly load event
//
for (int i = 0; i < loaded.Count; ++i) {
var assembly = loaded [i];
//
// corlib assembly is the first referenced assembly which contains System.Object
//
corlib_assembly = HasObjectType (assembly.Item2);
if (corlib_assembly != null) {
if (corlib_assembly != assembly.Item2) {
var ca = corlib_assembly;
i = loaded.FindIndex (l => l.Item2 == ca);
}
if (i >= 0)
loaded.RemoveAt (i);
break;
}
}
}
foreach (var entry in module.Compiler.Settings.AssemblyReferencesAliases) {
a = LoadAssemblyFile (entry.Item2, false);
if (a == null)
continue;
var key = Tuple.Create (module.CreateRootNamespace (entry.Item1), a);
if (loaded.Contains (key))
continue;
loaded.Add (key);
}
if (compiler.Settings.LoadDefaultReferences) {
foreach (string r in GetDefaultReferences ()) {
a = LoadAssemblyFile (r, true);
if (a == null)
continue;
var key = Tuple.Create (module.GlobalRootNamespace, a);
if (loaded.Contains (key))
continue;
loaded.Add (key);
}
}
compiler.TimeReporter.Stop (TimeReporter.TimerType.ReferencesLoading);
}
}
}