// Author:
// Miguel de Icaza (miguel@ximian.com)
//
-// (C) 2001, 2002, 2003 Ximian, Inc.
-// (C) 2004 Novell, Inc.
+// Copyright 2001, 2002, 2003 Ximian, Inc.
+// Copyright 2004 Novell, Inc.
//
-#if !DEBUG
- #define PRODUCTION
-#endif
+//
+// 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;
-using System.Collections.Specialized;
+using System.Collections.Generic;
+using System.Globalization;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.InteropServices;
/// </summary>
public class CodeGen {
static AppDomain current_domain;
- static public SymbolWriter SymbolWriter;
public static AssemblyClass Assembly;
- public static ModuleClass Module;
static CodeGen ()
{
public static void Reset ()
{
Assembly = new AssemblyClass ();
- Module = new ModuleClass (RootContext.Unsafe);
}
public static string Basename (string name)
}
static public string FileName;
-
+
//
- // Initializes the symbol writer
+ // Initializes the code generator variables for interactive use (repl)
//
- static void InitializeSymbolWriter (string filename)
+ static public void InitDynamic (CompilerContext ctx, string name)
{
- SymbolWriter = SymbolWriter.GetSymbolWriter (Module.Builder, filename);
-
- //
- // If we got an ISymbolWriter instance, initialize it.
- //
- if (SymbolWriter == null) {
- Report.Warning (
- -18, 1, "Could not find the symbol writer assembly (Mono.CompilerServices.SymbolWriter.dll). This is normally an installation problem. Please make sure to compile and install the mcs/class/Mono.CompilerServices.SymbolWriter directory.");
- return;
- }
+ 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)
+ static public bool Init (string name, string output, bool want_debugging_support, CompilerContext ctx)
{
FileName = output;
AssemblyName an = Assembly.GetAssemblyName (name, output);
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 RootNamespace.Global.Assemblies) {
+ foreach (Assembly a in GlobalRootNamespace.Instance.Assemblies) {
AssemblyName ref_name = a.GetName ();
byte [] b = ref_name.GetPublicKeyToken ();
if (b == null || b.Length == 0) {
- Report.Error (1577, "Assembly generation failed " +
+ ctx.Report.Error (1577, "Assembly generation failed " +
"-- Referenced assembly '" +
ref_name.Name +
"' does not have a strong name.");
try {
Assembly.Builder = current_domain.DefineDynamicAssembly (an,
- AssemblyBuilderAccess.Save, Dirname (name));
+ AssemblyBuilderAccess.RunAndSave, Dirname (name));
}
catch (ArgumentException) {
// specified key may not be exportable outside it's container
if (RootContext.StrongNameKeyContainer != null) {
- Report.Error (1548, "Could not access the key inside the container `" +
+ ctx.Report.Error (1548, "Could not access the key inside the container `" +
RootContext.StrongNameKeyContainer + "'.");
Environment.Exit (1);
}
- return false;
+ throw;
}
catch (CryptographicException) {
if ((RootContext.StrongNameKeyContainer != null) || (RootContext.StrongNameKeyFile != null)) {
- Report.Error (1548, "Could not use the specified key to strongname the assembly.");
+ 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.
// If the third argument is true, the ModuleBuilder will dynamically
// load the default symbol writer.
//
- Module.Builder = Assembly.Builder.DefineDynamicModule (
- Basename (name), Basename (output), false);
-
- if (want_debugging_support)
- InitializeSymbolWriter (output);
+ 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)
+ 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));
+ Assembly.Builder.Save (Basename (name), pekind, machine);
}
catch (COMException) {
if ((RootContext.StrongNameKeyFile == null) || (!RootContext.StrongNameDelaySign))
}
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;
}
- if (SymbolWriter != null)
+ //
+ // Write debuger symbol file
+ //
+ if (saveDebugInfo)
SymbolWriter.WriteSymbolFile ();
- }
- }
-
-
- public interface IResolveContext
- {
- DeclSpace DeclContainer { get; }
- bool IsInObsoleteScope { get; }
- bool IsInUnsafeScope { get; }
+ }
}
/// <summary>
/// An Emit Context is created for each body of code (from methods,
/// properties bodies, indexer bodies or constructor bodies)
/// </summary>
- public class EmitContext : IResolveContext {
-
- DeclSpace declSpace;
- public DeclSpace TypeContainer;
- public ILGenerator ig;
-
- /// <summary>
- /// This variable tracks the `checked' state of the compilation,
- /// it controls whether we should generate code that does overflow
- /// checking, or if we generate code that ignores overflows.
- ///
- /// The default setting comes from the command line option to generate
- /// checked or unchecked code plus any source code changes using the
- /// checked/unchecked statements or expressions. Contrast this with
- /// the ConstantCheckState flag.
- /// </summary>
-
- public bool CheckState;
-
- /// <summary>
- /// The constant check state is always set to `true' and cant be changed
- /// from the command line. The source code can change this setting with
- /// the `checked' and `unchecked' statements and expressions.
- /// </summary>
- public bool ConstantCheckState;
-
- /// <summary>
- /// Whether we are emitting code inside a static or instance method
- /// </summary>
- public bool IsStatic;
-
- /// <summary>
- /// Whether the actual created method is static or instance method.
- /// Althoug the method might be declared as `static', if an anonymous
- /// method is involved, we might turn this into an instance method.
- ///
- /// So this reflects the low-level staticness of the method, while
- /// IsStatic represents the semantic, high-level staticness.
- /// </summary>
- public bool MethodIsStatic;
-
- /// <summary>
- /// Whether we are emitting a field initializer
- /// </summary>
- public bool IsFieldInitializer;
+ public class EmitContext : BuilderContext
+ {
+ // TODO: Has to be private
+ public ILGenerator ig;
/// <summary>
/// The value that is allowed to be returned or NULL if there is no
/// return type.
/// </summary>
- public Type ReturnType;
-
- /// <summary>
- /// Points to the Type (extracted from the TypeContainer) that
- /// declares this body of code
- /// </summary>
- public Type ContainerType;
-
- /// <summary>
- /// Whether this is generating code for a constructor
- /// </summary>
- public bool IsConstructor;
-
- /// <summary>
- /// Whether we're control flow analysis enabled
- /// </summary>
- public bool DoFlowAnalysis;
-
- /// <summary>
- /// Whether we're control flow analysis disabled on struct
- /// </summary>
- public bool OmitStructFlowAnalysis;
+ TypeSpec return_type;
/// <summary>
/// Keeps track of the Type to LocalBuilder temporary storage created
/// to store structures (used to compute the address of the structure
/// value on structure method invocations)
/// </summary>
- public Hashtable temporary_storage;
-
- public Block CurrentBlock;
-
- public int CurrentFile;
+ Dictionary<TypeSpec, object> temporary_storage;
/// <summary>
/// The location where we store the return value.
/// </summary>
- LocalBuilder return_value;
+ public LocalBuilder return_value;
/// <summary>
/// The location where return has to jump to return the
public bool HasReturnLabel;
/// <summary>
- /// Whether we are inside an iterator block.
+ /// Current loop begin and end labels.
/// </summary>
- public bool InIterator;
-
- public bool IsLastStatement;
+ public Label LoopBegin, LoopEnd;
/// <summary>
- /// Whether we are inside an unsafe block
+ /// Default target in a switch statement. Only valid if
+ /// InSwitch is true
/// </summary>
- public bool InUnsafe;
+ public Label DefaultTarget;
/// <summary>
- /// Whether we are in a `fixed' initialization
+ /// If this is non-null, points to the current switch statement
/// </summary>
- public bool InFixedInitializer;
-
- public bool InRefOutArgumentResolving;
-
- public bool InCatch;
- public bool InFinally;
+ public Switch Switch;
/// <summary>
/// Whether we are inside an anonymous method.
/// </summary>
- public AnonymousContainer CurrentAnonymousMethod;
+ public AnonymousExpression CurrentAnonymousMethod;
- /// <summary>
- /// Location for this EmitContext
- /// </summary>
- public Location loc;
-
- /// <summary>
- /// Inside an enum definition, we do not resolve enumeration values
- /// to their enumerations, but rather to the underlying type/value
- /// This is so EnumVal + EnumValB can be evaluated.
- ///
- /// There is no "E operator + (E x, E y)", so during an enum evaluation
- /// we relax the rules
- /// </summary>
- public bool InEnumContext;
+ public readonly IMemberContext MemberContext;
- /// <summary>
- /// Anonymous methods can capture local variables and fields,
- /// this object tracks it. It is copied from the TopLevelBlock
- /// field.
- /// </summary>
- public CaptureContext capture_context;
-
- public readonly IResolveContext ResolveContext;
-
- /// <summary>
- /// The current iterator
- /// </summary>
- public Iterator CurrentIterator;
+ public EmitContext (IMemberContext rc, ILGenerator ig, TypeSpec return_type)
+ {
+ this.MemberContext = rc;
+ this.ig = ig;
- /// <summary>
- /// Whether we are in the resolving stage or not
- /// </summary>
- enum Phase {
- Created,
- Resolving,
- Emitting
+ this.return_type = return_type;
}
-
- Phase current_phase;
- FlowBranching current_flow_branching;
- static int next_id = 0;
- int id = ++next_id;
+#region Properties
- public override string ToString ()
- {
- return String.Format ("EmitContext ({0}:{1}:{2})", id,
- CurrentIterator, capture_context, loc);
+ public TypeSpec CurrentType {
+ get { return MemberContext.CurrentType; }
}
-
- public EmitContext (IResolveContext rc, DeclSpace parent, DeclSpace ds, Location l, ILGenerator ig,
- Type return_type, int code_flags, bool is_constructor)
- {
- this.ResolveContext = rc;
- this.ig = ig;
-
- TypeContainer = parent;
- this.declSpace = ds;
- CheckState = RootContext.Checked;
- ConstantCheckState = true;
-
- IsStatic = (code_flags & Modifiers.STATIC) != 0;
- MethodIsStatic = IsStatic;
- InIterator = (code_flags & Modifiers.METHOD_YIELDS) != 0;
- ReturnType = return_type;
- IsConstructor = is_constructor;
- CurrentBlock = null;
- CurrentFile = 0;
- current_phase = Phase.Created;
-
- if (parent != null){
- // Can only be null for the ResolveType contexts.
- ContainerType = parent.TypeBuilder;
- InUnsafe = rc.IsInUnsafeScope;
- }
- loc = l;
- if (ReturnType == TypeManager.void_type)
- ReturnType = null;
+ public TypeParameter[] CurrentTypeParameters {
+ get { return MemberContext.CurrentTypeParameters; }
}
- public EmitContext (IResolveContext rc, DeclSpace ds, Location l, ILGenerator ig,
- Type return_type, int code_flags, bool is_constructor)
- : this (rc, ds, ds, l, ig, return_type, code_flags, is_constructor)
- {
+ public MemberCore CurrentTypeDefinition {
+ get { return MemberContext.CurrentMemberDefinition; }
}
- public EmitContext (IResolveContext rc, DeclSpace ds, Location l, ILGenerator ig,
- Type return_type, int code_flags)
- : this (rc, ds, ds, l, ig, return_type, code_flags, false)
- {
+ public bool IsStatic {
+ get { return MemberContext.IsStatic; }
}
- public DeclSpace DeclContainer {
- get { return declSpace; }
- set { declSpace = value; }
+ bool IsAnonymousStoreyMutateRequired {
+ get {
+ return CurrentAnonymousMethod != null &&
+ CurrentAnonymousMethod.Storey != null &&
+ CurrentAnonymousMethod.Storey.Mutator != null;
+ }
}
- public bool IsInObsoleteScope {
- get { return ResolveContext.IsInObsoleteScope; }
+ // Has to be used for emitter errors only
+ public Report Report {
+ get { return MemberContext.Compiler.Report; }
}
- public bool IsInUnsafeScope {
- get { return InUnsafe || ResolveContext.IsInUnsafeScope; }
+ public TypeSpec ReturnType {
+ get {
+ return return_type;
+ }
}
+#endregion
+ /// <summary>
+ /// This is called immediately before emitting an IL opcode to tell the symbol
+ /// writer to which source line this opcode belongs.
+ /// </summary>
+ public void Mark (Location loc)
+ {
+ if (!SymbolWriter.HasSymbolWriter || HasSet (Options.OmitDebugInfo) || loc.IsNull)
+ return;
- public FlowBranching CurrentBranching {
- get { return current_flow_branching; }
+ SymbolWriter.MarkSequencePoint (ig, loc);
}
- public bool HaveCaptureInfo {
- get { return capture_context != null; }
+ public void DefineLocalVariable (string name, LocalBuilder builder)
+ {
+ SymbolWriter.DefineLocalVariable (name, builder);
}
- public void EmitScopeInitFromBlock (Block b)
+ public void BeginCatchBlock (TypeSpec type)
{
- if (capture_context != null)
- capture_context.EmitScopeInitFromBlock (this, b);
+ ig.BeginCatchBlock (type.GetMetaInfo ());
}
- // <summary>
- // Starts a new code branching. This inherits the state of all local
- // variables and parameters from the current branching.
- // </summary>
- public FlowBranching StartFlowBranching (FlowBranching.BranchingType type, Location loc)
+ public void BeginExceptionBlock ()
{
- current_flow_branching = FlowBranching.CreateBranching (CurrentBranching, type, null, loc);
- return current_flow_branching;
+ ig.BeginExceptionBlock ();
}
- // <summary>
- // Starts a new code branching for block `block'.
- // </summary>
- public FlowBranching StartFlowBranching (Block block)
+ public void BeginFinallyBlock ()
{
- FlowBranching.BranchingType type;
-
- if ((CurrentBranching != null) &&
- (CurrentBranching.Type == FlowBranching.BranchingType.Switch))
- type = FlowBranching.BranchingType.SwitchSection;
- else
- type = FlowBranching.BranchingType.Block;
+ ig.BeginFinallyBlock ();
+ }
- DoFlowAnalysis = true;
+ public void BeginScope ()
+ {
+ ig.BeginScope();
+ SymbolWriter.OpenScope(ig);
+ }
- current_flow_branching = FlowBranching.CreateBranching (
- CurrentBranching, type, block, block.StartLocation);
- return current_flow_branching;
+ public void EndExceptionBlock ()
+ {
+ ig.EndExceptionBlock ();
}
- public FlowBranchingException StartFlowBranching (ExceptionStatement stmt)
+ public void EndScope ()
{
- FlowBranchingException branching = new FlowBranchingException (
- CurrentBranching, stmt);
- current_flow_branching = branching;
- return branching;
+ ig.EndScope();
+ SymbolWriter.CloseScope(ig);
}
- // <summary>
- // Ends a code branching. Merges the state of locals and parameters
- // from all the children of the ending branching.
- // </summary>
- public FlowBranching.UsageVector DoEndFlowBranching ()
+ public LocalBuilder DeclareLocal (TypeSpec type, bool pinned)
{
- FlowBranching old = current_flow_branching;
- current_flow_branching = current_flow_branching.Parent;
+ if (IsAnonymousStoreyMutateRequired)
+ type = CurrentAnonymousMethod.Storey.Mutator.Mutate (type);
- return current_flow_branching.MergeChild (old);
+ return ig.DeclareLocal (type.GetMetaInfo (), pinned);
}
- // <summary>
- // Ends a code branching. Merges the state of locals and parameters
- // from all the children of the ending branching.
- // </summary>
- public FlowBranching.Reachability EndFlowBranching ()
+ public Label DefineLabel ()
{
- FlowBranching.UsageVector vector = DoEndFlowBranching ();
-
- return vector.Reachability;
+ return ig.DefineLabel ();
}
- // <summary>
- // Kills the current code branching. This throws away any changed state
- // information and should only be used in case of an error.
- // </summary>
- public void KillFlowBranching ()
+ public void MarkLabel (Label label)
{
- current_flow_branching = current_flow_branching.Parent;
+ ig.MarkLabel (label);
}
- public void CaptureVariable (LocalInfo li)
+ public void Emit (OpCode opcode)
{
- capture_context.AddLocal (CurrentAnonymousMethod, li);
- li.IsCaptured = true;
+ ig.Emit (opcode);
}
- public void CaptureParameter (string name, Type t, int idx)
+ public void Emit (OpCode opcode, LocalBuilder local)
{
- capture_context.AddParameter (this, CurrentAnonymousMethod, name, t, idx);
+ ig.Emit (opcode, local);
}
- public void CaptureThis ()
+ public void Emit (OpCode opcode, string arg)
{
- capture_context.CaptureThis (CurrentAnonymousMethod);
+ ig.Emit (opcode, arg);
}
-
-
- //
- // Use to register a field as captured
- //
- public void CaptureField (FieldExpr fe)
+
+ public void Emit (OpCode opcode, double arg)
{
- capture_context.AddField (this, CurrentAnonymousMethod, fe);
+ ig.Emit (opcode, arg);
}
- //
- // Whether anonymous methods have captured variables
- //
- public bool HaveCapturedVariables ()
+ public void Emit (OpCode opcode, float arg)
{
- if (capture_context != null)
- return capture_context.HaveCapturedVariables;
- return false;
+ ig.Emit (opcode, arg);
}
- //
- // Whether anonymous methods have captured fields or this.
- //
- public bool HaveCapturedFields ()
+ public void Emit (OpCode opcode, int arg)
{
- if (capture_context != null)
- return capture_context.HaveCapturedFields;
- return false;
+ ig.Emit (opcode, arg);
}
- //
- // Emits the instance pointer for the host method
- //
- public void EmitMethodHostInstance (EmitContext target, AnonymousMethod am)
+ public void Emit (OpCode opcode, byte arg)
{
- if (capture_context != null)
- capture_context.EmitMethodHostInstance (target, am);
- else if (IsStatic)
- target.ig.Emit (OpCodes.Ldnull);
- else
- target.ig.Emit (OpCodes.Ldarg_0);
+ ig.Emit (opcode, arg);
}
- //
- // Returns whether the `local' variable has been captured by an anonymous
- // method
- //
- public bool IsCaptured (LocalInfo local)
+ public void Emit (OpCode opcode, Label label)
{
- return capture_context.IsCaptured (local);
+ ig.Emit (opcode, label);
}
- public bool IsParameterCaptured (string name)
+ public void Emit (OpCode opcode, Label[] labels)
{
- if (capture_context != null)
- return capture_context.IsParameterCaptured (name);
- return false;
+ ig.Emit (opcode, labels);
}
-
- public void EmitMeta (ToplevelBlock b)
+
+ public void Emit (OpCode opcode, TypeSpec type)
{
- if (capture_context != null)
- capture_context.EmitAnonymousHelperClasses (this);
- b.EmitMeta (this);
+ if (IsAnonymousStoreyMutateRequired)
+ type = CurrentAnonymousMethod.Storey.Mutator.Mutate (type);
- if (HasReturnLabel)
- ReturnLabel = ig.DefineLabel ();
+ ig.Emit (opcode, type.GetMetaInfo ());
}
- //
- // Here until we can fix the problem with Mono.CSharp.Switch, which
- // currently can not cope with ig == null during resolve (which must
- // be fixed for switch statements to work on anonymous methods).
- //
- public void EmitTopBlock (IMethodData md, ToplevelBlock block)
+ public void Emit (OpCode opcode, FieldSpec field)
{
- if (block == null)
- return;
-
- bool unreachable;
-
- if (ResolveTopBlock (null, block, md.ParameterInfo, md, out unreachable)){
- EmitMeta (block);
+ if (IsAnonymousStoreyMutateRequired)
+ field = field.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- current_phase = Phase.Emitting;
- EmitResolvedTopBlock (block, unreachable);
- }
+ ig.Emit (opcode, field.GetMetaInfo ());
}
- bool resolved;
-
- public bool ResolveTopBlock (EmitContext anonymous_method_host, ToplevelBlock block,
- Parameters ip, IMethodData md, out bool unreachable)
+ public void Emit (OpCode opcode, MethodSpec method)
{
- current_phase = Phase.Resolving;
-
- unreachable = false;
-
- if (resolved)
- return true;
+ if (IsAnonymousStoreyMutateRequired)
+ method = method.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- capture_context = block.CaptureContext;
-
- if (!loc.IsNull)
- CurrentFile = loc.File;
+ if (method.IsConstructor)
+ ig.Emit (opcode, (ConstructorInfo) method.GetMetaInfo ());
+ else
+ ig.Emit (opcode, (MethodInfo) method.GetMetaInfo ());
+ }
-#if PRODUCTION
- try {
-#endif
- if (!block.ResolveMeta (this, ip))
- return false;
+ // TODO: REMOVE breaks mutator
+ public void Emit (OpCode opcode, MethodInfo method)
+ {
+ ig.Emit (opcode, method);
+ }
- bool old_do_flow_analysis = DoFlowAnalysis;
- DoFlowAnalysis = true;
+ // TODO: REMOVE breaks mutator
+ public void Emit (OpCode opcode, FieldBuilder field)
+ {
+ ig.Emit (opcode, field);
+ }
- if (anonymous_method_host != null)
- current_flow_branching = FlowBranching.CreateBranching (
- anonymous_method_host.CurrentBranching,
- FlowBranching.BranchingType.Block, block, loc);
- else
- current_flow_branching = block.TopLevelBranching;
+ public void Emit (OpCode opcode, MethodSpec method, Type[] vargs)
+ {
+ // TODO MemberCache: This should mutate too
+ ig.EmitCall (opcode, (MethodInfo) method.GetMetaInfo (), vargs);
+ }
- if (!block.Resolve (this)) {
- current_flow_branching = null;
- DoFlowAnalysis = old_do_flow_analysis;
- return false;
- }
+ public void EmitArrayNew (ArrayContainer ac)
+ {
+ if (ac.Rank == 1) {
+ Emit (OpCodes.Newarr, ac.Element);
+ } else {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- FlowBranching.Reachability reachability = current_flow_branching.MergeTopBlock ();
- current_flow_branching = null;
+ ig.Emit (OpCodes.Newobj, ac.GetConstructor ());
+ }
+ }
- DoFlowAnalysis = old_do_flow_analysis;
+ public void EmitArrayAddress (ArrayContainer ac)
+ {
+ if (ac.Element.IsGenericParameter)
+ ig.Emit (OpCodes.Readonly);
- if (reachability.AlwaysReturns ||
- reachability.AlwaysThrows ||
- reachability.IsUnreachable)
- unreachable = true;
-#if PRODUCTION
- } catch (Exception e) {
- Console.WriteLine ("Exception caught by the compiler while compiling:");
- Console.WriteLine (" Block that caused the problem begin at: " + loc);
-
- if (CurrentBlock != null){
- Console.WriteLine (" Block being compiled: [{0},{1}]",
- CurrentBlock.StartLocation, CurrentBlock.EndLocation);
- }
- Console.WriteLine (e.GetType ().FullName + ": " + e.Message);
- throw;
- }
-#endif
+ if (ac.Rank > 1) {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- if (ReturnType != null && !unreachable) {
- if (CurrentAnonymousMethod == null) {
- Report.Error (161, md.Location, "`{0}': not all code paths return a value", md.GetSignatureForError ());
- return false;
- } else if (!CurrentAnonymousMethod.IsIterator) {
- Report.Error (1643, CurrentAnonymousMethod.Location, "Not all code paths return a value in anonymous method of type `{0}'",
- CurrentAnonymousMethod.GetSignatureForError ());
- return false;
- }
+ ig.Emit (OpCodes.Call, ac.GetAddressMethod ());
+ } else {
+ Emit (OpCodes.Ldelema, ac.Element);
}
-
- block.CompleteContexts ();
- resolved = true;
- return true;
}
- public void EmitResolvedTopBlock (ToplevelBlock block, bool unreachable)
+ //
+ // Emits the right opcode to load from an array
+ //
+ public void EmitArrayLoad (ArrayContainer ac)
{
- if (block != null)
- block.Emit (this);
-
- if (HasReturnLabel)
- ig.MarkLabel (ReturnLabel);
-
- if (return_value != null){
- ig.Emit (OpCodes.Ldloc, return_value);
- ig.Emit (OpCodes.Ret);
- } else {
- //
- // If `HasReturnLabel' is set, then we already emitted a
- // jump to the end of the method, so we must emit a `ret'
- // there.
- //
- // Unfortunately, System.Reflection.Emit automatically emits
- // a leave to the end of a finally block. This is a problem
- // if no code is following the try/finally block since we may
- // jump to a point after the end of the method.
- // As a workaround, we're always creating a return label in
- // this case.
- //
-
- bool in_iterator = (CurrentAnonymousMethod != null) &&
- CurrentAnonymousMethod.IsIterator && InIterator;
+ if (ac.Rank > 1) {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- if ((block != null) && block.IsDestructor) {
- // Nothing to do; S.R.E automatically emits a leave.
- } else if (HasReturnLabel || (!unreachable && !in_iterator)) {
- if (ReturnType != null)
- ig.Emit (OpCodes.Ldloc, TemporaryReturn ());
- ig.Emit (OpCodes.Ret);
- }
+ ig.Emit (OpCodes.Call, ac.GetGetMethod ());
+ return;
}
- //
- // Close pending helper classes if we are the toplevel
- //
- if (capture_context != null && capture_context.ParentToplevel == null)
- capture_context.CloseAnonymousHelperClasses ();
+ var type = ac.Element;
+ if (TypeManager.IsEnumType (type))
+ type = EnumSpec.GetUnderlyingType (type);
+
+ if (type == TypeManager.byte_type || type == TypeManager.bool_type)
+ Emit (OpCodes.Ldelem_U1);
+ else if (type == TypeManager.sbyte_type)
+ Emit (OpCodes.Ldelem_I1);
+ else if (type == TypeManager.short_type)
+ Emit (OpCodes.Ldelem_I2);
+ else if (type == TypeManager.ushort_type || type == TypeManager.char_type)
+ Emit (OpCodes.Ldelem_U2);
+ else if (type == TypeManager.int32_type)
+ Emit (OpCodes.Ldelem_I4);
+ else if (type == TypeManager.uint32_type)
+ Emit (OpCodes.Ldelem_U4);
+ else if (type == TypeManager.uint64_type)
+ Emit (OpCodes.Ldelem_I8);
+ else if (type == TypeManager.int64_type)
+ Emit (OpCodes.Ldelem_I8);
+ else if (type == TypeManager.float_type)
+ Emit (OpCodes.Ldelem_R4);
+ else if (type == TypeManager.double_type)
+ Emit (OpCodes.Ldelem_R8);
+ else if (type == TypeManager.intptr_type)
+ Emit (OpCodes.Ldelem_I);
+ else if (TypeManager.IsStruct (type)) {
+ Emit (OpCodes.Ldelema, type);
+ Emit (OpCodes.Ldobj, type);
+ } else if (type.IsGenericParameter) {
+ Emit (OpCodes.Ldelem, type);
+ } else if (type.IsPointer)
+ Emit (OpCodes.Ldelem_I);
+ else
+ Emit (OpCodes.Ldelem_Ref);
}
- /// <summary>
- /// This is called immediately before emitting an IL opcode to tell the symbol
- /// writer to which source line this opcode belongs.
- /// </summary>
- public void Mark (Location loc, bool check_file)
+ //
+ // Emits the right opcode to store to an array
+ //
+ public void EmitArrayStore (ArrayContainer ac)
{
- if ((CodeGen.SymbolWriter == null) || loc.IsNull)
- return;
+ if (ac.Rank > 1) {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- if (check_file && (CurrentFile != loc.File))
+ ig.Emit (OpCodes.Call, ac.GetSetMethod ());
return;
+ }
- CodeGen.SymbolWriter.MarkSequencePoint (ig, loc.Row, loc.Column);
+ var type = ac.Element;
+
+ if (type.IsEnum)
+ type = EnumSpec.GetUnderlyingType (type);
+
+ if (type == TypeManager.byte_type || type == TypeManager.sbyte_type || type == TypeManager.bool_type)
+ Emit (OpCodes.Stelem_I1);
+ else if (type == TypeManager.short_type || type == TypeManager.ushort_type || type == TypeManager.char_type)
+ Emit (OpCodes.Stelem_I2);
+ else if (type == TypeManager.int32_type || type == TypeManager.uint32_type)
+ Emit (OpCodes.Stelem_I4);
+ else if (type == TypeManager.int64_type || type == TypeManager.uint64_type)
+ Emit (OpCodes.Stelem_I8);
+ else if (type == TypeManager.float_type)
+ Emit (OpCodes.Stelem_R4);
+ else if (type == TypeManager.double_type)
+ Emit (OpCodes.Stelem_R8);
+ else if (type == TypeManager.intptr_type)
+ Emit (OpCodes.Stobj, type);
+ else if (TypeManager.IsStruct (type))
+ Emit (OpCodes.Stobj, type);
+ else if (type.IsGenericParameter)
+ Emit (OpCodes.Stelem, type);
+ else if (type.IsPointer)
+ Emit (OpCodes.Stelem_I);
+ else
+ Emit (OpCodes.Stelem_Ref);
}
- public void DefineLocalVariable (string name, LocalBuilder builder)
+ public void EmitInt (int i)
{
- if (CodeGen.SymbolWriter == null)
- return;
-
- CodeGen.SymbolWriter.DefineLocalVariable (name, builder);
+ switch (i) {
+ case -1:
+ ig.Emit (OpCodes.Ldc_I4_M1);
+ break;
+
+ case 0:
+ ig.Emit (OpCodes.Ldc_I4_0);
+ break;
+
+ case 1:
+ ig.Emit (OpCodes.Ldc_I4_1);
+ break;
+
+ case 2:
+ ig.Emit (OpCodes.Ldc_I4_2);
+ break;
+
+ case 3:
+ ig.Emit (OpCodes.Ldc_I4_3);
+ break;
+
+ case 4:
+ ig.Emit (OpCodes.Ldc_I4_4);
+ break;
+
+ case 5:
+ ig.Emit (OpCodes.Ldc_I4_5);
+ break;
+
+ case 6:
+ ig.Emit (OpCodes.Ldc_I4_6);
+ break;
+
+ case 7:
+ ig.Emit (OpCodes.Ldc_I4_7);
+ break;
+
+ case 8:
+ ig.Emit (OpCodes.Ldc_I4_8);
+ break;
+
+ default:
+ if (i >= -128 && i <= 127) {
+ ig.Emit (OpCodes.Ldc_I4_S, (sbyte) i);
+ } else
+ ig.Emit (OpCodes.Ldc_I4, i);
+ break;
+ }
}
- public void BeginScope ()
+ public void EmitLong (long l)
{
- ig.BeginScope();
+ if (l >= int.MinValue && l <= int.MaxValue) {
+ EmitInt (unchecked ((int) l));
+ ig.Emit (OpCodes.Conv_I8);
+ return;
+ }
- if (CodeGen.SymbolWriter != null)
- CodeGen.SymbolWriter.OpenScope(ig);
+ if (l >= 0 && l <= uint.MaxValue) {
+ EmitInt (unchecked ((int) l));
+ ig.Emit (OpCodes.Conv_U8);
+ return;
+ }
+
+ ig.Emit (OpCodes.Ldc_I8, l);
}
- public void EndScope ()
+ //
+ // Load the object from the pointer.
+ //
+ public void EmitLoadFromPtr (TypeSpec t)
{
- ig.EndScope();
+ if (t == TypeManager.int32_type)
+ ig.Emit (OpCodes.Ldind_I4);
+ else if (t == TypeManager.uint32_type)
+ ig.Emit (OpCodes.Ldind_U4);
+ else if (t == TypeManager.short_type)
+ ig.Emit (OpCodes.Ldind_I2);
+ else if (t == TypeManager.ushort_type)
+ ig.Emit (OpCodes.Ldind_U2);
+ else if (t == TypeManager.char_type)
+ ig.Emit (OpCodes.Ldind_U2);
+ else if (t == TypeManager.byte_type)
+ ig.Emit (OpCodes.Ldind_U1);
+ else if (t == TypeManager.sbyte_type)
+ ig.Emit (OpCodes.Ldind_I1);
+ else if (t == TypeManager.uint64_type)
+ ig.Emit (OpCodes.Ldind_I8);
+ else if (t == TypeManager.int64_type)
+ ig.Emit (OpCodes.Ldind_I8);
+ else if (t == TypeManager.float_type)
+ ig.Emit (OpCodes.Ldind_R4);
+ else if (t == TypeManager.double_type)
+ ig.Emit (OpCodes.Ldind_R8);
+ else if (t == TypeManager.bool_type)
+ ig.Emit (OpCodes.Ldind_I1);
+ else if (t == TypeManager.intptr_type)
+ ig.Emit (OpCodes.Ldind_I);
+ else if (t.IsEnum) {
+ if (t == TypeManager.enum_type)
+ ig.Emit (OpCodes.Ldind_Ref);
+ else
+ EmitLoadFromPtr (EnumSpec.GetUnderlyingType (t));
+ } else if (TypeManager.IsStruct (t) || TypeManager.IsGenericParameter (t))
+ Emit (OpCodes.Ldobj, t);
+ else if (t.IsPointer)
+ ig.Emit (OpCodes.Ldind_I);
+ else
+ ig.Emit (OpCodes.Ldind_Ref);
+ }
- if (CodeGen.SymbolWriter != null)
- CodeGen.SymbolWriter.CloseScope(ig);
+ //
+ // The stack contains the pointer and the value of type `type'
+ //
+ public void EmitStoreFromPtr (TypeSpec type)
+ {
+ if (type.IsEnum)
+ type = EnumSpec.GetUnderlyingType (type);
+
+ if (type == TypeManager.int32_type || type == TypeManager.uint32_type)
+ ig.Emit (OpCodes.Stind_I4);
+ else if (type == TypeManager.int64_type || type == TypeManager.uint64_type)
+ ig.Emit (OpCodes.Stind_I8);
+ else if (type == TypeManager.char_type || type == TypeManager.short_type ||
+ type == TypeManager.ushort_type)
+ ig.Emit (OpCodes.Stind_I2);
+ else if (type == TypeManager.float_type)
+ ig.Emit (OpCodes.Stind_R4);
+ else if (type == TypeManager.double_type)
+ ig.Emit (OpCodes.Stind_R8);
+ else if (type == TypeManager.byte_type || type == TypeManager.sbyte_type ||
+ type == TypeManager.bool_type)
+ ig.Emit (OpCodes.Stind_I1);
+ 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 ());
+ else
+ ig.Emit (OpCodes.Stind_Ref);
}
/// <summary>
/// Returns a temporary storage for a variable of type t as
/// a local variable in the current body.
/// </summary>
- public LocalBuilder GetTemporaryLocal (Type t)
+ public LocalBuilder GetTemporaryLocal (TypeSpec t)
{
- LocalBuilder location = null;
-
- if (temporary_storage != null){
- object o = temporary_storage [t];
- if (o != null){
- if (o is ArrayList){
- ArrayList al = (ArrayList) o;
-
- for (int i = 0; i < al.Count; i++){
- if (al [i] != null){
- location = (LocalBuilder) al [i];
- al [i] = null;
- break;
- }
- }
- } else
- location = (LocalBuilder) o;
- if (location != null)
- return location;
+ if (temporary_storage != null) {
+ object o;
+ if (temporary_storage.TryGetValue (t, out o)) {
+ if (o is Stack<LocalBuilder>) {
+ var s = (Stack<LocalBuilder>) o;
+ o = s.Count == 0 ? null : s.Pop ();
+ } else {
+ temporary_storage.Remove (t);
+ }
}
+ if (o != null)
+ return (LocalBuilder) o;
}
-
- return ig.DeclareLocal (t);
+ return DeclareLocal (t, false);
}
- public void FreeTemporaryLocal (LocalBuilder b, Type t)
+ public void FreeTemporaryLocal (LocalBuilder b, TypeSpec t)
{
- if (temporary_storage == null){
- temporary_storage = new Hashtable ();
- temporary_storage [t] = b;
+ if (temporary_storage == null) {
+ temporary_storage = new Dictionary<TypeSpec, object> (ReferenceEquality<TypeSpec>.Default);
+ temporary_storage.Add (t, b);
return;
}
- object o = temporary_storage [t];
- if (o == null){
- temporary_storage [t] = b;
+ object o;
+
+ if (!temporary_storage.TryGetValue (t, out o)) {
+ temporary_storage.Add (t, b);
return;
}
- if (o is ArrayList){
- ArrayList al = (ArrayList) o;
- for (int i = 0; i < al.Count; i++){
- if (al [i] == null){
- al [i] = b;
- return;
- }
- }
- al.Add (b);
- return;
+ var s = o as Stack<LocalBuilder>;
+ if (s == null) {
+ s = new Stack<LocalBuilder> ();
+ s.Push ((LocalBuilder)o);
+ temporary_storage [t] = s;
}
- ArrayList replacement = new ArrayList ();
- replacement.Add (o);
- temporary_storage.Remove (t);
- temporary_storage [t] = replacement;
+ s.Push (b);
}
- /// <summary>
- /// Current loop begin and end labels.
- /// </summary>
- public Label LoopBegin, LoopEnd;
-
- /// <summary>
- /// Default target in a switch statement. Only valid if
- /// InSwitch is true
- /// </summary>
- public Label DefaultTarget;
-
- /// <summary>
- /// If this is non-null, points to the current switch statement
- /// </summary>
- public Switch Switch;
-
/// <summary>
/// ReturnValue creates on demand the LocalBuilder for the
/// return value from the function. By default this is not
public LocalBuilder TemporaryReturn ()
{
if (return_value == null){
- return_value = ig.DeclareLocal (ReturnType);
+ return_value = DeclareLocal (return_type, false);
if (!HasReturnLabel){
- ReturnLabel = ig.DefineLabel ();
+ ReturnLabel = DefineLabel ();
HasReturnLabel = true;
}
}
return return_value;
}
-
- /// <summary>
- /// This method is used during the Resolution phase to flag the
- /// need to define the ReturnLabel
- /// </summary>
- public void NeedReturnLabel ()
- {
- if (current_phase != Phase.Resolving){
- //
- // The reason is that the `ReturnLabel' is declared between
- // resolution and emission
- //
- throw new Exception ("NeedReturnLabel called from Emit phase, should only be called during Resolve");
- }
-
- if (!InIterator && !HasReturnLabel)
- HasReturnLabel = true;
- }
-
- //
- // Emits the proper object to address fields on a remapped
- // variable/parameter to field in anonymous-method/iterator proxy classes.
- //
- public void EmitThis (bool need_address)
- {
- ig.Emit (OpCodes.Ldarg_0);
- if (capture_context != null && CurrentAnonymousMethod != null){
- ScopeInfo si = CurrentAnonymousMethod.Scope;
- while (si != null){
- if (si.ParentLink != null)
- ig.Emit (OpCodes.Ldfld, si.ParentLink);
- if (si.THIS != null){
- if (need_address && TypeManager.IsValueType (si.THIS.FieldType))
- ig.Emit (OpCodes.Ldflda, si.THIS);
- else
- ig.Emit (OpCodes.Ldfld, si.THIS);
- break;
- }
- si = si.ParentScope;
- }
- }
- }
-
- //
- // Emits the code necessary to load the instance required
- // to access the captured LocalInfo
- //
- public void EmitCapturedVariableInstance (LocalInfo li)
- {
- if (capture_context == null)
- throw new Exception ("Calling EmitCapturedContext when there is no capture_context");
-
- capture_context.EmitCapturedVariableInstance (this, li, CurrentAnonymousMethod);
- }
-
- public void EmitParameter (string name, bool leave_copy, bool prepared, ref LocalTemporary temp)
- {
- capture_context.EmitParameter (this, name, leave_copy, prepared, ref temp);
- }
-
- public void EmitAssignParameter (string name, Expression source, bool leave_copy, bool prepare_for_load, ref LocalTemporary temp)
- {
- capture_context.EmitAssignParameter (this, name, source, leave_copy, prepare_for_load, ref temp);
- }
-
- public void EmitAddressOfParameter (string name)
- {
- capture_context.EmitAddressOfParameter (this, name);
- }
-
- public Expression GetThis (Location loc)
- {
- This my_this;
- if (CurrentBlock != null)
- my_this = new This (CurrentBlock, loc);
- else
- my_this = new This (loc);
-
- if (!my_this.ResolveBase (this))
- my_this = null;
-
- return my_this;
- }
}
-
- public abstract class CommonAssemblyModulClass : Attributable, IResolveContext {
-
- protected CommonAssemblyModulClass ():
- base (null)
- {
- }
-
- public void AddAttributes (ArrayList attrs)
+ public abstract class CommonAssemblyModulClass : Attributable, IMemberContext
+ {
+ public void AddAttributes (List<Attribute> attrs, IMemberContext context)
{
foreach (Attribute a in attrs)
- a.AttachTo (this);
+ a.AttachTo (this, context);
if (attributes == null) {
attributes = new Attributes (attrs);
OptAttributes.Emit ();
}
-
- protected Attribute ResolveAttribute (Type a_type)
- {
- if (OptAttributes == null)
- return null;
-
- // Ensure that we only have GlobalAttributes, since the Search below isn't safe with other types.
- if (!OptAttributes.CheckTargets ())
- return null;
+ protected Attribute ResolveAttribute (PredefinedAttribute a_type)
+ {
Attribute a = OptAttributes.Search (a_type);
if (a != null) {
a.Resolve ();
return a;
}
- public override IResolveContext ResolveContext {
- get {
- return this;
- }
+ #region IMemberContext Members
+
+ public CompilerContext Compiler {
+ get { return RootContext.ToplevelTypes.Compiler; }
}
- #region IResolveContext Members
+ public TypeSpec CurrentType {
+ get { return null; }
+ }
- public DeclSpace DeclContainer {
- get {
- return RootContext.Tree.Types;
- }
+ public TypeParameter[] CurrentTypeParameters {
+ get { return null; }
}
- public bool IsInObsoleteScope {
- get {
- return false;
- }
+ public MemberCore CurrentMemberDefinition {
+ get { return RootContext.ToplevelTypes; }
}
- public bool IsInUnsafeScope {
- get {
- return false;
- }
+ 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 ExtensionMethodGroupExpr LookupExtensionMethod (TypeSpec extensionType, string name, int arity, Location loc)
+ {
+ 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 Attribute ClsCompliantAttribute;
- ListDictionary declarative_security;
+ 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 (): base ()
+ public AssemblyClass ()
{
wrap_non_exception_throws = true;
}
+ public bool HasExtensionMethods {
+ set {
+ has_extension_method = value;
+ }
+ }
+
public bool IsClsCompliant {
get {
return is_cls_compliant;
return is_cls_compliant;
}
+ Report Report {
+ get { return Compiler.Report; }
+ }
+
public void Resolve ()
{
- ClsCompliantAttribute = ResolveAttribute (TypeManager.cls_compliant_attribute_type);
+ 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 ();
}
-#if NET_2_0
- Attribute a = ResolveAttribute (TypeManager.runtime_compatibility_attr_type);
+ Attribute a = ResolveAttribute (PredefinedAttributes.Get.RuntimeCompatibility);
if (a != null) {
- object val = a.GetPropertyValue ("WrapNonExceptionThrows");
+ var val = a.GetPropertyValue ("WrapNonExceptionThrows") as BoolConstant;
if (val != null)
- wrap_non_exception_throws = (bool)val;
+ wrap_non_exception_throws = val.Value;
}
-#endif
}
// fix bug #56621
// 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.Name);
- 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 (value.Length != 0)
- RootContext.StrongNameKeyFile = value;
- }
- break;
- case "AssemblyKeyName":
- case "AssemblyKeyNameAttribute":
- case "System.Reflection.AssemblyKeyNameAttribute":
- if (RootContext.StrongNameKeyContainer != null) {
- Report.SymbolRelatedToPreviousError (a.Location, a.Name);
- Report.Warning (1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
+ 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 (value != null && value.Length != 0)
+ 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 (value.Length != 0)
- RootContext.StrongNameKeyContainer = value;
- }
- break;
- case "AssemblyDelaySign":
- case "AssemblyDelaySignAttribute":
- case "System.Reflection.AssemblyDelaySignAttribute":
- RootContext.StrongNameDelaySign = a.GetBoolean ();
- break;
+ } else {
+ string value = a.GetString ();
+ if (value != null && value.Length != 0)
+ RootContext.StrongNameKeyContainer = value;
+ }
+ break;
+ case "AssemblyDelaySign":
+ case "AssemblyDelaySignAttribute":
+ case "System.Reflection.AssemblyDelaySignAttribute":
+ RootContext.StrongNameDelaySign = a.GetBoolean ();
+ break;
}
}
}
-
+
AssemblyName an = new AssemblyName ();
an.Name = Path.GetFileNameWithoutExtension (name);
Report.Error (1548, "Error during assembly signing. " + text);
}
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder customBuilder)
+ bool CheckInternalsVisibleAttribute (Attribute a)
{
- if (a.Type.IsSubclassOf (TypeManager.security_attr_type) && a.CheckSecurityActionValidity (true)) {
+ 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 ListDictionary ();
+ declarative_security = new Dictionary<SecurityAction, PermissionSet> ();
a.ExtractSecurityPermissionSet (declarative_security);
return;
}
- if (a.Type == TypeManager.assembly_culture_attribute_type) {
+ if (a.Type == pa.AssemblyCulture) {
string value = a.GetString ();
if (value == null || value.Length == 0)
return;
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 (customBuilder);
+ 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);
try {
// Microsoft runtime hacking
if (add_permission == null) {
- Type assembly_builder = typeof (AssemblyBuilder).Assembly.GetType ("System.Reflection.Emit.AssemblyBuilderData");
+ 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);
}
- object[] args = new object [] { declarative_security [SecurityAction.RequestMinimum],
- declarative_security [SecurityAction.RequestOptional],
- declarative_security [SecurityAction.RequestRefuse] };
+ 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 {
return attribute_targets;
}
}
- }
-
- public class ModuleClass : CommonAssemblyModulClass {
- // TODO: make it private and move all builder based methods here
- public ModuleBuilder Builder;
- bool m_module_is_unsafe;
-
- public CharSet DefaultCharSet = CharSet.Ansi;
- public TypeAttributes DefaultCharSetType = TypeAttributes.AnsiClass;
-
- static string[] attribute_targets = new string [] { "module" };
-
- public ModuleClass (bool is_unsafe)
- {
- m_module_is_unsafe = is_unsafe;
- }
-
- public override AttributeTargets AttributeTargets {
- get {
- return AttributeTargets.Module;
- }
- }
-
- public override bool IsClsComplianceRequired ()
- {
- return CodeGen.Assembly.IsClsCompliant;
- }
-
- public override void Emit (TypeContainer tc)
- {
- base.Emit (tc);
-
- if (!m_module_is_unsafe)
- return;
- if (TypeManager.unverifiable_code_ctor == null) {
- Console.WriteLine ("Internal error ! Cannot set unverifiable code attribute.");
- return;
+ // 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;
}
-
- Builder.SetCustomAttribute (new CustomAttributeBuilder (TypeManager.unverifiable_code_ctor, new object [0]));
}
-
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder customBuilder)
+ public Module AddModule (string module)
{
- if (a.Type == TypeManager.cls_compliant_attribute_type) {
- if (CodeGen.Assembly.ClsCompliantAttribute == null) {
- Report.Warning (3012, 1, a.Location, "You must specify the CLSCompliant attribute on the assembly, not the module, to enable CLS compliance checking");
- }
- else if (CodeGen.Assembly.IsClsCompliant != a.GetBoolean ()) {
- Report.SymbolRelatedToPreviousError (CodeGen.Assembly.ClsCompliantAttribute.Location, CodeGen.Assembly.ClsCompliantAttribute.GetSignatureForError ());
- Report.Error (3017, a.Location, "You cannot specify the CLSCompliant attribute on a module that differs from the CLSCompliant attribute on the assembly");
- return;
- }
- }
-
- Builder.SetCustomAttribute (customBuilder);
- }
-
- /// <summary>
- /// It is called very early therefore can resolve only predefined attributes
- /// </summary>
- public void ResolveAttributes ()
- {
-#if NET_2_0
- Attribute a = ResolveAttribute (TypeManager.default_charset_type);
- if (a != null) {
- DefaultCharSet = a.GetCharSetValue ();
- switch (DefaultCharSet) {
- case CharSet.Ansi:
- case CharSet.None:
- break;
- case CharSet.Auto:
- DefaultCharSetType = TypeAttributes.AutoClass;
- break;
- case CharSet.Unicode:
- DefaultCharSetType = TypeAttributes.UnicodeClass;
- break;
- default:
- Report.Error (1724, a.Location, "Value specified for the argument to 'System.Runtime.InteropServices.DefaultCharSetAttribute' is not valid");
- break;
- }
+ MethodInfo m = AddModule_Method;
+ if (m == null) {
+ Report.RuntimeMissingSupport (Location.Null, "/addmodule");
+ Environment.Exit (1);
}
-#endif
- }
- public override string[] ValidAttributeTargets {
- get {
- return attribute_targets;
+ try {
+ return (Module) m.Invoke (Builder, new object [] { module });
+ } catch (TargetInvocationException ex) {
+ throw ex.InnerException;
}
- }
+ }
}
}
projects / mono.git / blobdiff