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;
//
// Initializes the code generator variables for interactive use (repl)
//
- static public void InitDynamic (string name)
+ static public void InitDynamic (CompilerContext ctx, string name)
{
current_domain = AppDomain.CurrentDomain;
AssemblyName an = Assembly.GetAssemblyName (name, name);
Assembly.Builder = current_domain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run | COMPILER_ACCESS);
- RootContext.ToplevelTypes = new ModuleContainer (true);
+ 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);
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.");
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);
}
}
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;
#if !MS_COMPATIBLE
// TODO: We should use SymbolWriter from DefineDynamicModule
if (want_debugging_support && !SymbolWriter.Initialize (RootContext.ToplevelTypes.Builder, output)) {
- Report.Error (40, "Unexpected debug information initialization error `{0}'",
+ 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) {
- Report.Error (40, "Unexpected debug information initialization error `{0}'",
+ ctx.Report.Error (40, "Unexpected debug information initialization error `{0}'",
e.Message);
return false;
}
return true;
}
- static public void Save (string name, bool saveDebugInfo)
+ static public void Save (string name, bool saveDebugInfo, Report Report)
{
-#if GMCS_SOURCE
PortableExecutableKinds pekind;
ImageFileMachine machine;
machine = ImageFileMachine.I386;
break;
}
-#endif
try {
-#if GMCS_SOURCE
Assembly.Builder.Save (Basename (name), pekind, machine);
-#else
- Assembly.Builder.Save (Basename (name));
-#endif
}
catch (COMException) {
if ((RootContext.StrongNameKeyFile == null) || (!RootContext.StrongNameDelaySign))
}
}
-
- /// <summary>
- /// An interface to hold all the information needed in the resolving phase.
- /// </summary>
- public interface IMemberContext
- {
- //
- // A scope type context, it can be inflated for generic types
- //
- Type CurrentType { get; }
-
- //
- // A scope type parameters either VAR or MVAR
- //
- TypeParameter[] CurrentTypeParameters { get; }
-
- //
- // A type definition of the type context. For partial types definition use
- // CurrentTypeDefinition.PartialContainer otherwise the context is local
- //
- // TODO: CurrentType.Definition
- //
- TypeContainer CurrentTypeDefinition { get; }
-
- bool IsObsolete { get; }
- bool IsUnsafe { get; }
- bool IsStatic { get; }
-
- ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, string name, Location loc);
- FullNamedExpression LookupNamespaceOrType (string name, Location loc, bool ignore_cs0104);
- FullNamedExpression LookupNamespaceAlias (string name);
- }
-
- //
- // Block or statement resolving context
- //
- public class BlockContext : ResolveContext
- {
- FlowBranching current_flow_branching;
-
- public TypeInferenceContext ReturnTypeInference;
-
- Type return_type;
-
- /// <summary>
- /// The location where return has to jump to return the
- /// value
- /// </summary>
- public Label ReturnLabel;
-
- /// <summary>
- /// If we already defined the ReturnLabel
- /// </summary>
- public bool HasReturnLabel;
-
- public BlockContext (IMemberContext mc, ExplicitBlock block, Type returnType)
- : base (mc)
- {
- if (returnType == null)
- throw new ArgumentNullException ("returnType");
-
- this.return_type = returnType;
-
- // TODO: check for null value
- CurrentBlock = block;
- }
-
- public override FlowBranching CurrentBranching {
- get { return current_flow_branching; }
- }
-
- // <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)
- {
- current_flow_branching = FlowBranching.CreateBranching (CurrentBranching, type, null, loc);
- return current_flow_branching;
- }
-
- // <summary>
- // Starts a new code branching for block `block'.
- // </summary>
- public FlowBranching StartFlowBranching (Block block)
- {
- Set (Options.DoFlowAnalysis);
-
- current_flow_branching = FlowBranching.CreateBranching (
- CurrentBranching, FlowBranching.BranchingType.Block, block, block.StartLocation);
- return current_flow_branching;
- }
-
- public FlowBranchingTryCatch StartFlowBranching (TryCatch stmt)
- {
- FlowBranchingTryCatch branching = new FlowBranchingTryCatch (CurrentBranching, stmt);
- current_flow_branching = branching;
- return branching;
- }
-
- public FlowBranchingException StartFlowBranching (ExceptionStatement stmt)
- {
- FlowBranchingException branching = new FlowBranchingException (CurrentBranching, stmt);
- current_flow_branching = branching;
- return branching;
- }
-
- public FlowBranchingLabeled StartFlowBranching (LabeledStatement stmt)
- {
- FlowBranchingLabeled branching = new FlowBranchingLabeled (CurrentBranching, stmt);
- current_flow_branching = branching;
- return branching;
- }
-
- public FlowBranchingIterator StartFlowBranching (Iterator iterator)
- {
- FlowBranchingIterator branching = new FlowBranchingIterator (CurrentBranching, iterator);
- current_flow_branching = branching;
- return branching;
- }
-
- public FlowBranchingToplevel StartFlowBranching (ToplevelBlock stmt, FlowBranching parent)
- {
- FlowBranchingToplevel branching = new FlowBranchingToplevel (parent, stmt);
- current_flow_branching = branching;
- return branching;
- }
-
- // <summary>
- // Ends a code branching. Merges the state of locals and parameters
- // from all the children of the ending branching.
- // </summary>
- public bool EndFlowBranching ()
- {
- FlowBranching old = current_flow_branching;
- current_flow_branching = current_flow_branching.Parent;
-
- FlowBranching.UsageVector vector = current_flow_branching.MergeChild (old);
- return vector.IsUnreachable;
- }
-
- // <summary>
- // Kills the current code branching. This throws away any changed state
- // information and should only be used in case of an error.
- // </summary>
- // FIXME: this is evil
- public void KillFlowBranching ()
- {
- current_flow_branching = current_flow_branching.Parent;
- }
-
- //
- // This method is used during the Resolution phase to flag the
- // need to define the ReturnLabel
- //
- public void NeedReturnLabel ()
- {
- if (!HasReturnLabel)
- HasReturnLabel = true;
- }
-
- public Type ReturnType {
- get { return return_type; }
- }
- }
-
/// <summary>
/// An Emit Context is created for each body of code (from methods,
/// properties bodies, indexer bodies or constructor bodies)
/// </summary>
- public class EmitContext {
-
- [Flags]
- public enum Options
- {
- /// <summary>
- /// This flag 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>
- CheckedScope = 1 << 0,
-
- /// <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>
- ConstantCheckState = 1 << 1,
-
- AllCheckStateFlags = CheckedScope | ConstantCheckState,
-
- OmitDebugInfo = 1 << 2,
-
- ConstructorScope = 1 << 3
- }
-
- // utility helper for CheckExpr, UnCheckExpr, Checked and Unchecked statements
- // it's public so that we can use a struct at the callsite
- public struct FlagsHandle : IDisposable
- {
- EmitContext ec;
- readonly Options invmask, oldval;
-
- public FlagsHandle (EmitContext ec, Options flagsToSet)
- : this (ec, flagsToSet, flagsToSet)
- {
- }
-
- internal FlagsHandle (EmitContext ec, Options mask, Options val)
- {
- this.ec = ec;
- invmask = ~mask;
- oldval = ec.flags & mask;
- ec.flags = (ec.flags & invmask) | (val & mask);
- }
-
- public void Dispose ()
- {
- ec.flags = (ec.flags & invmask) | oldval;
- }
- }
-
- Options flags;
-
+ 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>
- protected Type return_type;
+ 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;
+ Dictionary<TypeSpec, object> temporary_storage;
/// <summary>
/// The location where we store the return value.
/// </summary>
public bool HasReturnLabel;
+ /// <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>
/// Whether we are inside an anonymous method.
/// </summary>
public readonly IMemberContext MemberContext;
- public EmitContext (IMemberContext rc, ILGenerator ig, Type return_type)
+ public EmitContext (IMemberContext rc, ILGenerator ig, TypeSpec return_type)
{
this.MemberContext = rc;
this.ig = ig;
this.return_type = return_type;
}
- public Type CurrentType {
+#region Properties
+
+ public TypeSpec CurrentType {
get { return MemberContext.CurrentType; }
}
get { return MemberContext.CurrentTypeParameters; }
}
- public TypeContainer CurrentTypeDefinition {
- get { return MemberContext.CurrentTypeDefinition; }
+ public MemberCore CurrentTypeDefinition {
+ get { return MemberContext.CurrentMemberDefinition; }
}
- public bool HasSet (Options options)
- {
- return (this.flags & options) == options;
+ public bool IsStatic {
+ get { return MemberContext.IsStatic; }
}
- // Temporarily set all the given flags to the given value. Should be used in an 'using' statement
- public FlagsHandle With (Options options, bool enable)
- {
- return new FlagsHandle (this, options, enable ? options : 0);
+ bool IsAnonymousStoreyMutateRequired {
+ get {
+ return CurrentAnonymousMethod != null &&
+ CurrentAnonymousMethod.Storey != null &&
+ CurrentAnonymousMethod.Storey.Mutator != null;
+ }
}
-
- public bool IsStatic {
- get { return MemberContext.IsStatic; }
+
+ // Has to be used for emitter errors only
+ public Report Report {
+ get { return MemberContext.Compiler.Report; }
}
- public Type ReturnType {
+ public TypeSpec ReturnType {
get {
return return_type;
}
}
+#endregion
/// <summary>
/// This is called immediately before emitting an IL opcode to tell the symbol
SymbolWriter.DefineLocalVariable (name, builder);
}
+ public void BeginCatchBlock (TypeSpec type)
+ {
+ ig.BeginCatchBlock (type.GetMetaInfo ());
+ }
+
+ public void BeginExceptionBlock ()
+ {
+ ig.BeginExceptionBlock ();
+ }
+
+ public void BeginFinallyBlock ()
+ {
+ ig.BeginFinallyBlock ();
+ }
+
public void BeginScope ()
{
ig.BeginScope();
SymbolWriter.OpenScope(ig);
}
+ public void EndExceptionBlock ()
+ {
+ ig.EndExceptionBlock ();
+ }
+
public void EndScope ()
{
ig.EndScope();
SymbolWriter.CloseScope(ig);
}
- /// <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 DeclareLocal (TypeSpec type, bool pinned)
{
- if (temporary_storage != null) {
- object o = temporary_storage [t];
- if (o != null) {
- if (o is Stack) {
- Stack s = (Stack) o;
- o = s.Count == 0 ? null : s.Pop ();
- } else {
- temporary_storage.Remove (t);
- }
- }
- if (o != null)
- return (LocalBuilder) o;
- }
- return ig.DeclareLocal (t);
+ if (IsAnonymousStoreyMutateRequired)
+ type = CurrentAnonymousMethod.Storey.Mutator.Mutate (type);
+
+ return ig.DeclareLocal (type.GetMetaInfo (), pinned);
}
- public void FreeTemporaryLocal (LocalBuilder b, Type t)
+ public Label DefineLabel ()
{
- if (temporary_storage == null) {
- temporary_storage = new Hashtable ();
- temporary_storage [t] = b;
- return;
- }
- object o = temporary_storage [t];
- if (o == null) {
- temporary_storage [t] = b;
- return;
- }
- Stack s = o as Stack;
- if (s == null) {
- s = new Stack ();
- s.Push (o);
- temporary_storage [t] = s;
- }
- s.Push (b);
+ return ig.DefineLabel ();
}
- /// <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
- /// used. This is only required when returns are found inside
- /// Try or Catch statements.
- ///
- /// This method is typically invoked from the Emit phase, so
- /// we allow the creation of a return label if it was not
- /// requested during the resolution phase. Could be cleaned
- /// up, but it would replicate a lot of logic in the Emit phase
- /// of the code that uses it.
- /// </summary>
- public LocalBuilder TemporaryReturn ()
+ public void MarkLabel (Label label)
{
- if (return_value == null){
- return_value = ig.DeclareLocal (return_type);
- if (!HasReturnLabel){
- ReturnLabel = ig.DefineLabel ();
- HasReturnLabel = true;
- }
- }
-
- return return_value;
+ ig.MarkLabel (label);
}
- }
- public class ResolveContext : IMemberContext
- {
- [Flags]
- public enum Options
+ public void Emit (OpCode opcode)
{
- /// <summary>
- /// This flag 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>
- CheckedScope = 1 << 0,
-
- /// <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>
- ConstantCheckState = 1 << 1,
-
- AllCheckStateFlags = CheckedScope | ConstantCheckState,
-
- //
- // unsafe { ... } scope
- //
- UnsafeScope = 1 << 2,
- CatchScope = 1 << 3,
- FinallyScope = 1 << 4,
- FieldInitializerScope = 1 << 5,
- CompoundAssignmentScope = 1 << 6,
- FixedInitializerScope = 1 << 7,
- BaseInitializer = 1 << 8,
-
- //
- // 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
- //
- EnumScope = 1 << 9,
-
- ConstantScope = 1 << 10,
-
- ConstructorScope = 1 << 11,
-
- /// <summary>
- /// Whether control flow analysis is enabled
- /// </summary>
- DoFlowAnalysis = 1 << 20,
-
- /// <summary>
- /// Whether control flow analysis is disabled on structs
- /// (only meaningful when DoFlowAnalysis is set)
- /// </summary>
- OmitStructFlowAnalysis = 1 << 21,
-
- ///
- /// Indicates the current context is in probing mode, no errors are reported.
- ///
- ProbingMode = 1 << 22,
-
- //
- // Return and ContextualReturn statements will set the ReturnType
- // value based on the expression types of each return statement
- // instead of the method return type which is initially null.
- //
- InferReturnType = 1 << 23,
-
- OmitDebuggingInfo = 1 << 24
+ ig.Emit (opcode);
}
- // utility helper for CheckExpr, UnCheckExpr, Checked and Unchecked statements
- // it's public so that we can use a struct at the callsite
- public struct FlagsHandle : IDisposable
+ public void Emit (OpCode opcode, LocalBuilder local)
{
- ResolveContext ec;
- readonly Options invmask, oldval;
+ ig.Emit (opcode, local);
+ }
- public FlagsHandle (ResolveContext ec, Options flagsToSet)
- : this (ec, flagsToSet, flagsToSet)
- {
- }
+ public void Emit (OpCode opcode, string arg)
+ {
+ ig.Emit (opcode, arg);
+ }
- internal FlagsHandle (ResolveContext ec, Options mask, Options val)
- {
- this.ec = ec;
- invmask = ~mask;
- oldval = ec.flags & mask;
- ec.flags = (ec.flags & invmask) | (val & mask);
+ public void Emit (OpCode opcode, double arg)
+ {
+ ig.Emit (opcode, arg);
+ }
- if ((mask & Options.ProbingMode) != 0)
- Report.DisableReporting ();
- }
+ public void Emit (OpCode opcode, float arg)
+ {
+ ig.Emit (opcode, arg);
+ }
- public void Dispose ()
- {
- if ((invmask & Options.ProbingMode) == 0)
- Report.EnableReporting ();
+ public void Emit (OpCode opcode, int arg)
+ {
+ ig.Emit (opcode, arg);
+ }
- ec.flags = (ec.flags & invmask) | oldval;
- }
+ public void Emit (OpCode opcode, byte arg)
+ {
+ ig.Emit (opcode, arg);
}
- Options flags;
+ public void Emit (OpCode opcode, Label label)
+ {
+ ig.Emit (opcode, label);
+ }
- //
- // Whether we are inside an anonymous method.
- //
- public AnonymousExpression CurrentAnonymousMethod;
+ public void Emit (OpCode opcode, Label[] labels)
+ {
+ ig.Emit (opcode, labels);
+ }
- //
- // Holds a varible used during collection or object initialization.
- //
- public Expression CurrentInitializerVariable;
+ public void Emit (OpCode opcode, TypeSpec type)
+ {
+ if (IsAnonymousStoreyMutateRequired)
+ type = CurrentAnonymousMethod.Storey.Mutator.Mutate (type);
- public Block CurrentBlock;
+ ig.Emit (opcode, type.GetMetaInfo ());
+ }
- public IMemberContext MemberContext;
+ public void Emit (OpCode opcode, FieldSpec field)
+ {
+ if (IsAnonymousStoreyMutateRequired)
+ field = field.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- /// <summary>
- /// If this is non-null, points to the current switch statement
- /// </summary>
- public Switch Switch;
+ ig.Emit (opcode, field.GetMetaInfo ());
+ }
- public ResolveContext (IMemberContext mc)
+ public void Emit (OpCode opcode, MethodSpec method)
{
- MemberContext = mc;
-
- //
- // The default setting comes from the command line option
- //
- if (RootContext.Checked)
- flags |= Options.CheckedScope;
+ if (IsAnonymousStoreyMutateRequired)
+ method = method.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- //
- // The constant check state is always set to true
- //
- flags |= Options.ConstantCheckState;
+ if (method.IsConstructor)
+ ig.Emit (opcode, (ConstructorInfo) method.GetMetaInfo ());
+ else
+ ig.Emit (opcode, (MethodInfo) method.GetMetaInfo ());
}
- public ResolveContext (IMemberContext mc, Options options)
- : this (mc)
+ // TODO: REMOVE breaks mutator
+ public void Emit (OpCode opcode, MethodInfo method)
{
- flags |= options;
+ ig.Emit (opcode, method);
}
- public virtual FlowBranching CurrentBranching {
- get { return null; }
+ // TODO: REMOVE breaks mutator
+ public void Emit (OpCode opcode, FieldBuilder field)
+ {
+ ig.Emit (opcode, field);
}
- //
- // The current iterator
- //
- public Iterator CurrentIterator {
- get { return CurrentAnonymousMethod as Iterator; }
+ public void Emit (OpCode opcode, MethodSpec method, Type[] vargs)
+ {
+ // TODO MemberCache: This should mutate too
+ ig.EmitCall (opcode, (MethodInfo) method.GetMetaInfo (), vargs);
}
- public Type CurrentType {
- get { return MemberContext.CurrentType; }
- }
+ public void EmitArrayNew (ArrayContainer ac)
+ {
+ if (ac.Rank == 1) {
+ Emit (OpCodes.Newarr, ac.Element);
+ } else {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- public TypeParameter[] CurrentTypeParameters {
- get { return MemberContext.CurrentTypeParameters; }
+ ig.Emit (OpCodes.Newobj, ac.GetConstructor ());
+ }
}
- public TypeContainer CurrentTypeDefinition {
- get { return MemberContext.CurrentTypeDefinition; }
- }
+ //
+ // Emits the right opcode to load from an array
+ //
+ public void EmitArrayLoad (ArrayContainer ac)
+ {
+ if (ac.Rank > 1) {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- public bool ConstantCheckState {
- get { return (flags & Options.ConstantCheckState) != 0; }
- }
+ ig.Emit (OpCodes.Call, ac.GetGetMethod ());
+ return;
+ }
- public bool DoFlowAnalysis {
- get { return (flags & Options.DoFlowAnalysis) != 0; }
+ 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);
}
- public bool IsInProbingMode {
- get { return (flags & Options.ProbingMode) != 0; }
- }
+ //
+ // Emits the right opcode to store to an array
+ //
+ public void EmitArrayStore (ArrayContainer ac)
+ {
+ if (ac.Rank > 1) {
+ if (IsAnonymousStoreyMutateRequired)
+ ac = (ArrayContainer) ac.Mutate (CurrentAnonymousMethod.Storey.Mutator);
- public bool IsVariableCapturingRequired {
- get {
- return !IsInProbingMode && (CurrentBranching == null || !CurrentBranching.CurrentUsageVector.IsUnreachable);
+ ig.Emit (OpCodes.Call, ac.GetSetMethod ());
+ return;
}
- }
- public bool OmitStructFlowAnalysis {
- get { return (flags & Options.OmitStructFlowAnalysis) != 0; }
+ 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);
}
- // TODO: Merge with CompilerGeneratedThis
- public Expression GetThis (Location loc)
+ public void EmitInt (int i)
{
- This my_this;
- if (CurrentBlock != null)
- my_this = new This (CurrentBlock, loc);
- else
- my_this = new This (loc);
+ switch (i) {
+ case -1:
+ ig.Emit (OpCodes.Ldc_I4_M1);
+ break;
- if (!my_this.ResolveBase (this))
- my_this = null;
+ case 0:
+ ig.Emit (OpCodes.Ldc_I4_0);
+ break;
- return my_this;
- }
+ case 1:
+ ig.Emit (OpCodes.Ldc_I4_1);
+ break;
- public bool MustCaptureVariable (LocalInfo local)
- {
- if (CurrentAnonymousMethod == null)
- return false;
+ case 2:
+ ig.Emit (OpCodes.Ldc_I4_2);
+ break;
- // FIXME: IsIterator is too aggressive, we should capture only if child
- // block contains yield
- if (CurrentAnonymousMethod.IsIterator)
- return true;
+ case 3:
+ ig.Emit (OpCodes.Ldc_I4_3);
+ break;
- return local.Block.Toplevel != CurrentBlock.Toplevel;
- }
+ case 4:
+ ig.Emit (OpCodes.Ldc_I4_4);
+ break;
- public bool HasSet (Options options)
- {
- return (this.flags & options) == options;
- }
+ case 5:
+ ig.Emit (OpCodes.Ldc_I4_5);
+ break;
- public bool HasAny (Options options)
- {
- return (this.flags & options) != 0;
- }
+ case 6:
+ ig.Emit (OpCodes.Ldc_I4_6);
+ break;
- // Temporarily set all the given flags to the given value. Should be used in an 'using' statement
- public FlagsHandle Set (Options options)
- {
- return new FlagsHandle (this, options);
- }
+ case 7:
+ ig.Emit (OpCodes.Ldc_I4_7);
+ break;
- public FlagsHandle With (Options options, bool enable)
- {
- return new FlagsHandle (this, options, enable ? options : 0);
- }
+ case 8:
+ ig.Emit (OpCodes.Ldc_I4_8);
+ break;
- public FlagsHandle WithFlowAnalysis (bool do_flow_analysis, bool omit_struct_analysis)
- {
- Options newflags =
- (do_flow_analysis ? Options.DoFlowAnalysis : 0) |
- (omit_struct_analysis ? Options.OmitStructFlowAnalysis : 0);
- return new FlagsHandle (this, Options.DoFlowAnalysis | Options.OmitStructFlowAnalysis, newflags);
+ default:
+ if (i >= -128 && i <= 127) {
+ ig.Emit (OpCodes.Ldc_I4_S, (sbyte) i);
+ } else
+ ig.Emit (OpCodes.Ldc_I4, i);
+ break;
+ }
}
- #region IMemberContext Members
+ public void EmitLong (long l)
+ {
+ if (l >= int.MinValue && l <= int.MaxValue) {
+ EmitInt (unchecked ((int) l));
+ ig.Emit (OpCodes.Conv_I8);
+ return;
+ }
- public bool IsObsolete {
- get {
- // Disables obsolete checks when probing is on
- return IsInProbingMode || MemberContext.IsObsolete;
+ if (l >= 0 && l <= uint.MaxValue) {
+ EmitInt (unchecked ((int) l));
+ ig.Emit (OpCodes.Conv_U8);
+ return;
}
- }
- public bool IsStatic {
- get { return MemberContext.IsStatic; }
+ ig.Emit (OpCodes.Ldc_I8, l);
}
- public bool IsUnsafe {
- get { return HasSet (Options.UnsafeScope) || MemberContext.IsUnsafe; }
+ //
+ // Load the object from the pointer.
+ //
+ public void EmitLoadFromPtr (TypeSpec t)
+ {
+ 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);
}
- public ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, string name, Location loc)
+ //
+ // The stack contains the pointer and the value of type `type'
+ //
+ public void EmitStoreFromPtr (TypeSpec type)
{
- return MemberContext.LookupExtensionMethod (extensionType, name, loc);
+ 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);
}
- public FullNamedExpression LookupNamespaceOrType (string name, Location loc, bool ignore_cs0104)
+ /// <summary>
+ /// Returns a temporary storage for a variable of type t as
+ /// a local variable in the current body.
+ /// </summary>
+ public LocalBuilder GetTemporaryLocal (TypeSpec t)
{
- return MemberContext.LookupNamespaceOrType (name, loc, ignore_cs0104);
+ 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 DeclareLocal (t, false);
}
- public FullNamedExpression LookupNamespaceAlias (string name)
+ public void FreeTemporaryLocal (LocalBuilder b, TypeSpec t)
{
- return MemberContext.LookupNamespaceAlias (name);
+ if (temporary_storage == null) {
+ temporary_storage = new Dictionary<TypeSpec, object> (ReferenceEquality<TypeSpec>.Default);
+ temporary_storage.Add (t, b);
+ return;
+ }
+ object o;
+
+ if (!temporary_storage.TryGetValue (t, out o)) {
+ temporary_storage.Add (t, b);
+ return;
+ }
+ var s = o as Stack<LocalBuilder>;
+ if (s == null) {
+ s = new Stack<LocalBuilder> ();
+ s.Push ((LocalBuilder)o);
+ temporary_storage [t] = s;
+ }
+ s.Push (b);
}
- #endregion
- }
+ /// <summary>
+ /// ReturnValue creates on demand the LocalBuilder for the
+ /// return value from the function. By default this is not
+ /// used. This is only required when returns are found inside
+ /// Try or Catch statements.
+ ///
+ /// This method is typically invoked from the Emit phase, so
+ /// we allow the creation of a return label if it was not
+ /// requested during the resolution phase. Could be cleaned
+ /// up, but it would replicate a lot of logic in the Emit phase
+ /// of the code that uses it.
+ /// </summary>
+ public LocalBuilder TemporaryReturn ()
+ {
+ if (return_value == null){
+ return_value = DeclareLocal (return_type, false);
+ if (!HasReturnLabel){
+ ReturnLabel = DefineLabel ();
+ HasReturnLabel = true;
+ }
+ }
+ return return_value;
+ }
+ }
public abstract class CommonAssemblyModulClass : Attributable, IMemberContext
{
- public void AddAttributes (ArrayList attrs, IMemberContext context)
+ public void AddAttributes (List<Attribute> attrs, IMemberContext context)
{
foreach (Attribute a in attrs)
a.AttachTo (this, context);
return a;
}
- #region IResolveContext Members
+ #region IMemberContext Members
- public Type CurrentType {
+ public CompilerContext Compiler {
+ get { return RootContext.ToplevelTypes.Compiler; }
+ }
+
+ public TypeSpec CurrentType {
get { return null; }
}
get { return null; }
}
- public TypeContainer CurrentTypeDefinition {
+ public MemberCore CurrentMemberDefinition {
get { return RootContext.ToplevelTypes; }
}
- public DeclSpace DeclContainer {
- get { return RootContext.ToplevelTypes; }
+ public string GetSignatureForError ()
+ {
+ return "<module>";
+ }
+
+ public bool HasUnresolvedConstraints {
+ get { return false; }
}
public bool IsObsolete {
get { return false; }
}
- public ExtensionMethodGroupExpr LookupExtensionMethod (Type extensionType, string name, Location loc)
+ public ExtensionMethodGroupExpr LookupExtensionMethod (TypeSpec extensionType, string name, int arity, Location loc)
{
throw new NotImplementedException ();
}
- public FullNamedExpression LookupNamespaceOrType (string name, Location loc, bool ignore_cs0104)
+ public FullNamedExpression LookupNamespaceOrType (string name, int arity, Location loc, bool ignore_cs0104)
{
- return RootContext.ToplevelTypes.LookupNamespaceOrType (name, loc, ignore_cs0104);
+ return RootContext.ToplevelTypes.LookupNamespaceOrType (name, arity, loc, ignore_cs0104);
}
public FullNamedExpression LookupNamespaceAlias (string name)
public Attribute ClsCompliantAttribute;
- ListDictionary declarative_security;
+ Dictionary<SecurityAction, PermissionSet> declarative_security;
bool has_extension_method;
public AssemblyName Name;
MethodInfo add_type_forwarder;
- ListDictionary emitted_forwarders;
+ 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;
}
return is_cls_compliant;
}
+ Report Report {
+ get { return Compiler.Report; }
+ }
+
public void Resolve ()
{
if (RootContext.Unsafe) {
pos.Add (new Argument (new MemberAccess (new MemberAccess (system_security_permissions, "SecurityAction", loc), "RequestMinimum")));
Arguments named = new Arguments (1);
- named.Add (new NamedArgument (new LocatedToken (loc, "SkipVerification"), (new BoolLiteral (true, loc))));
+ 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"),
g.AttachTo (this, this);
if (g.Resolve () != null) {
- declarative_security = new ListDictionary ();
+ declarative_security = new Dictionary<SecurityAction, PermissionSet> ();
g.ExtractSecurityPermissionSet (declarative_security);
}
}
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;
}
}
AssemblyName aname = null;
try {
-#if GMCS_SOURCE
aname = new AssemblyName (assembly_name);
-#else
- throw new NotSupportedException ();
-#endif
} catch (FileLoadException) {
} catch (ArgumentException) {
}
return true;
}
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb, PredefinedAttributes pa)
+ 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;
return;
if (a.Type == pa.TypeForwarder) {
- Type t = a.GetArgumentType ();
+ 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;
}
- t = TypeManager.DropGenericTypeArguments (t);
if (emitted_forwarders == null) {
- emitted_forwarders = new ListDictionary();
- } else if (emitted_forwarders.Contains(t)) {
- Report.SymbolRelatedToPreviousError(((Attribute)emitted_forwarders[t]).Location, 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, a);
+ emitted_forwarders.Add(t.MemberDefinition, a);
- if (TypeManager.LookupDeclSpace (t) != null) {
+ 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.DeclaringType != null) {
+ if (t.IsNested) {
Report.Error (730, a.Location, "Cannot forward type `{0}' because it is a nested type",
TypeManager.CSharpName (t));
return;
}
}
- add_type_forwarder.Invoke (Builder, new object[] { t });
+ add_type_forwarder.Invoke (Builder, new object[] { t.GetMetaInfo () });
return;
}
return;
}
- Builder.SetCustomAttribute (cb);
+ Builder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), cdata);
}
public override void Emit (TypeContainer tc)
// FIXME: Does this belong inside SRE.AssemblyBuilder instead?
PredefinedAttribute pa = PredefinedAttributes.Get.RuntimeCompatibility;
if (pa.IsDefined && (OptAttributes == null || !OptAttributes.Contains (pa))) {
- ConstructorInfo ci = TypeManager.GetPredefinedConstructor (
- pa.Type, Location.Null, Type.EmptyTypes);
+ 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);
+ "WrapNonExceptionThrows", Location.Null, TypeManager.bool_type).MetaInfo;
object [] pargs = new object [1];
pargs [0] = true;
- Builder.SetCustomAttribute (new CustomAttributeBuilder (ci, new object [0], pis, pargs));
+ Builder.SetCustomAttribute (new CustomAttributeBuilder ((ConstructorInfo) ci.GetMetaInfo (), new object[0], pis, pargs));
}
if (declarative_security != null) {
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 {
projects / mono.git / blobdiff