+2001-11-18 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (ArrayCreation::ValidateInitializers): Update to perform
+ some type checking etc.
+
+2001-11-17 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (ArrayCreation::ValidateInitializers): Implement
+ bits to provide dimension info is user skips doing that.
+
+ Update second constructor to store the rank correctly.
+
+2001-11-16 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (ArrayCreation::ValidateInitializers): Poke around
+ and try to implement.
+
+ * ../errors/cs0150.cs : Add.
+
+ * ../errors/cs0178.cs : Add.
+
+2001-11-16 Miguel de Icaza <miguel@ximian.com>
+
+ * statement.cs: Implement foreach on multi-dimensional arrays.
+
+ * parameter.cs (Parameters.GetParameterByName): Also lookup the
+ name of the params argument.
+
+ * expression.cs: Use EmitStoreOpcode to get the right opcode while
+ initializing the array.
+
+ (ArrayAccess.EmitStoreOpcode): move the opcode generation here, so
+ we can use this elsewhere.
+
+ * statement.cs: Finish implementation of foreach for single
+ dimension arrays.
+
+ * cs-parser.jay: Use an out-of-band stack to pass information
+ around, I wonder why I need this.
+
+ foreach_block: Make the new foreach_block the current_block.
+
+ * parameter.cs (Parameters.GetEmptyReadOnlyParameters): New
+ function used to return a static Parameters structure. Used for
+ empty parameters, as those are created very frequently.
+
+ * cs-parser.jay, class.cs: Use GetEmptyReadOnlyParameters
+
+2001-11-15 Ravi Pratap <ravi@ximian.com>
+
+ * interface.cs : Default modifier is private, not public. The
+ make verify test passes again.
+
+2001-11-15 Ravi Pratap <ravi@ximian.com>
+
+ * support.cs (ReflectionParameters): Fix logic to determine
+ whether the last parameter is a params one. Test 9 passes again.
+
+ * delegate.cs (Populate): Register the builders we define with
+ RegisterParameterForBuilder. Test 19 passes again.
+
+ * cs-parser.jay (property_declaration): Reference $6 instead
+ of $$ to get at the location.
+
+ (indexer_declaration): Similar stuff.
+
+ (attribute): Ditto.
+
+ * class.cs (Property): Register parameters for the Get and Set methods
+ if they exist. Test 23 passes again.
+
+ * expression.cs (ArrayCreation::Emit): Pass null for the method in the
+ call to EmitArguments as we are sure there aren't any params arguments.
+ Test 32 passes again.
+
+ * suppor.cs (ParameterDesc, ParameterModifier): Fix trivial bug causing
+ IndexOutOfRangeException.
+
+ * class.cs (Property::Define): Register property using TypeManager.RegisterProperty
+ Test 33 now passes again.
+
+2001-11-15 Miguel de Icaza <miguel@ximian.com>
+
+ * cs-parser.jay: Kill horrendous hack ($??? = lexer.Location) that
+ broke a bunch of things. Will have to come up with a better way
+ of tracking locations.
+
+ * statement.cs: Implemented foreach for single dimension arrays.
+
+2001-11-09 Miguel de Icaza <miguel@ximian.com>
+
+ * enum.cs (Enum.Emit): Delay the lookup of loc until we run into
+ an error. This removes the lookup from the critical path.
+
+ * cs-parser.jay: Removed use of temporary_loc, which is completely
+ broken.
+
+2001-11-14 Miguel de Icaza <miguel@ximian.com>
+
+ * support.cs (ReflectionParameters.ParameterModifier): Report
+ whether the argument is a PARAMS argument or not.
+
+ * class.cs: Set the attribute `ParamArrayAttribute' on the
+ parameter argument.
+
+ * typemanager.cs: Define param_array_type (ParamArrayAttribute)
+ and cons_param_array_attribute (ConstructorInfo for
+ ParamArrayAttribute).,
+
+ * codegen.cs: Emit the return using the `Return' statement, that
+ way we can report the error correctly for missing return values.
+
+ * class.cs (Method.Emit): Clean up.
+
+ * expression.cs (Argument.Resolve): Take another argument: the
+ location where this argument is used. Notice that this is not
+ part of the "Argument" class as to reduce the size of the
+ structure (we know the approximate location anyways).
+
+ Test if the argument is a variable-reference, if not, then
+ complain with a 206.
+
+ (Argument.Emit): Emit addresses of variables.
+
+ (Argument.FullDesc): Simplify.
+
+ (Invocation.DoResolve): Update for Argument.Resolve.
+
+ (ElementAccess.DoResolve): ditto.
+
+ * delegate.cs (DelegateInvocation.Emit): Invocation of Invoke
+ method should be virtual, as this method is always virtual.
+
+ (NewDelegate.DoResolve): Update for Argument.Resolve.
+
+ * class.cs (ConstructorInitializer.DoResolve): ditto.
+
+ * attribute.cs (Attribute.Resolve): ditto.
+
+2001-11-13 Miguel de Icaza <miguel@ximian.com>
+
+ * statement.cs (Foreach.Emit): Use EmitAssign instead of Store.
+
+ * expression.cs (ParameterReference): Drop IStackStorage and implement
+ IAssignMethod instead.
+
+ (LocalVariableReference): ditto.
+
+ * ecore.cs (FieldExpr): Drop IStackStorage and implement
+ IAssignMethod instead.
+
+2001-11-13 Miguel de Icaza <miguel@ximian.com>
+
+ * parameter.cs, expression.cs, class.cs, ecore.cs: Made all
+ enumerations that are used in heavily used structures derive from
+ byte in a laughable and pathetic attempt to reduce memory usage.
+ This is the kind of pre-optimzations that you should not do at
+ home without adult supervision.
+
+ * expression.cs (UnaryMutator): New class, used to handle ++ and
+ -- separatedly from the other unary operators. Cleans up the
+ code, and kills the ExpressionStatement dependency in Unary.
+
+ (Unary): Removed `method' and `Arguments' from this class, making
+ it smaller, and moving it all to SimpleCall, so I can reuse this
+ code in other locations and avoid creating a lot of transient data
+ strucutres when not required.
+
+ * cs-parser.jay: Adjust for new changes.
+
+2001-11-11 Miguel de Icaza <miguel@ximian.com>
+
+ * enum.cs (Enum.Populate): If there is a failure during
+ definition, return
+
+ * cs-parser.jay (opt_enum_base): we used to catch type errors
+ here, but this is really incorrect. The type error should be
+ catched during semantic analysis.
+
+2001-12-11 Ravi Pratap <ravi@ximian.com>
+
+ * cs-parser.jay (operator_declarator, conversion_operator_declarator): Set
+ current_local_parameters as expected since I, in my stupidity, had forgotten
+ to do this :-)
+
+ * attribute.cs (GetValidPlaces): Fix stupid bug.
+
+ * class.cs (Method::Emit): Perform check on applicability of attributes.
+
+ (Constructor::Emit): Ditto.
+
+ (Field::Emit): Ditto.
+
+ (Field.Location): Store location information.
+
+ (Property, Event, Indexer, Operator): Ditto.
+
+ * cs-parser.jay (field_declaration): Pass in location for each field.
+
+ * ../errors/cs0592.cs : Add.
+
+2001-11-12 Ravi Pratap <ravi@ximian.com>
+
+ * typemanager.cs (attribute_usage_type): New static member for System.AttributeUsage.
+
+ (InitCoreTypes): Update accordingly.
+
+ (RegisterAttrType, LookupAttr): Implement.
+
+ * attribute.cs (Attribute.Targets, AllowMultiple, Inherited): New fields to hold
+ info about the same.
+
+ (Resolve): Update to populate the above as necessary.
+
+ (Error592): Helper.
+
+ (GetValidPlaces): Helper to the above.
+
+ (CheckAttribute): Implement to perform validity of attributes on declarative elements.
+
+ * class.cs (TypeContainer::Emit): Update attribute emission code to perform checking etc.
+
+2001-11-12 Ravi Pratap <ravi@ximian.com>
+
+ * attribute.cs (Attribute::Resolve): Expand to handle named arguments too.
+
+ * ../errors/cs0617.cs : Add.
+
+2001-11-11 Ravi Pratap <ravi@ximian.com>
+
+ * enum.cs (Emit): Rename to Populate to be more consistent with what
+ we expect it to do and when exactly it is called.
+
+ * class.cs, rootcontext.cs : Update accordingly.
+
+ * typemanager.cs (RegisterField, GetValue): Workarounds for the fact that
+ FieldInfo.GetValue does not work on dynamic types ! S.R.E lameness strikes again !
+
+ * enum.cs (Populate): Register fields with TypeManager.RegisterField.
+
+ * expression.cs (MemberAccess.DoResolve): Adjust code to obtain the value
+ of a fieldinfo using the above, when dealing with a FieldBuilder.
+
+2001-11-10 Ravi Pratap <ravi@ximian.com>
+
+ * ../errors/cs0031.cs : Add.
+
+ * ../errors/cs1008.cs : Add.
+
+ * ../errrors/cs0543.cs : Add.
+
+ * enum.cs (DefineEnum): Check the underlying type and report an error if not a valid
+ enum type.
+
+ (FindMembers): Implement.
+
+ * typemanager.cs (FindMembers): Re-write to call the appropriate methods for
+ enums and delegates too.
+
+ (enum_types): Rename to builder_to_enum.
+
+ (delegate_types): Rename to builder_to_delegate.
+
+ * delegate.cs (FindMembers): Implement.
+
+2001-11-09 Ravi Pratap <ravi@ximian.com>
+
+ * typemanager.cs (IsEnumType): Implement.
+
+ * enum.cs (Emit): Re-write parts to account for the underlying type
+ better and perform checking etc.
+
+ (GetNextDefaultValue): Helper to ensure we don't overshoot max value
+ of the underlying type.
+
+ * literal.cs (GetValue methods everywhere): Perform bounds checking and return
+ value
+
+ * enum.cs (error31): Helper to report error #31.
+
+ * cs-parser.jay (enum_declaration): Store location of each member too.
+
+ * enum.cs (member_to_location): New hashtable.
+
+ (AddEnumMember): Update location hashtable.
+
+ (Emit): Use the location of each member while reporting errors.
+
+2001-11-09 Miguel de Icaza <miguel@ximian.com>
+
+ * cs-parser.jay: A for_initializer if is a
+ local_variable_declaration really ammount to have an implicit
+ block with the variable declaration and no initializer for for.
+
+ * statement.cs (For.Emit): Cope with null initializers.
+
+ This fixes the infinite loop on for initializers.
+
+2001-11-08 Miguel de Icaza <miguel@ximian.com>
+
+ * enum.cs: More cleanup.
+
+ * ecore.cs: Remove dead code.
+
+ * class.cs (Property.Emit): More simplification.
+ (Event.Emit): ditto.
+
+ Reworked to have less levels of indentation.
+
+2001-11-08 Ravi Pratap <ravi@ximian.com>
+
+ * class.cs (Property): Emit attributes.
+
+ (Field): Ditto.
+
+ (Event): Ditto.
+
+ (Indexer): Ditto.
+
+ (Operator): Ditto.
+
+ * enum.cs (Emit): Ditto.
+
+ * rootcontext.cs (ResolveTree, EmitCode, CloseTypes): Do the same for
+ Enums too.
+
+ * class.cs (Field, Event, etc.): Move attribute generation into the
+ Emit method everywhere.
+
+ * enum.cs (Enum): Revamp to use the same definition semantics as delegates so
+ we have a DefineEnum, CloseEnum etc. The previous way of doing things was not right
+ as we had no way of defining nested enums !
+
+ * rootcontext.cs : Adjust code accordingly.
+
+ * typemanager.cs (AddEnumType): To keep track of enum types separately.
+
+2001-11-07 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (EvalConstantExpression): Move into ecore.cs
+
+ * enum.cs (Enum): Rename some members and make them public and readonly
+ according to our convention.
+
+ * modifiers.cs (EnumAttr): Implement as we need to set only visibility flags,
+ nothing else.
+
+ * enum.cs (Enum::Define): Use the above instead of TypeAttr.
+
+ (Enum::Emit): Write a simple version for now which doesn't try to compute
+ expressions. I shall modify this to be more robust in just a while.
+
+ * class.cs (TypeContainer::Emit): Make sure we include Enums too.
+
+ (TypeContainer::CloseType): Create the Enum types too.
+
+ * attribute.cs (Resolve): Use the new Reduce method instead of EvalConstantExpression.
+
+ * expression.cs (EvalConstantExpression): Get rid of completely.
+
+ * enum.cs (Enum::Emit): Use the new expression reducer. Implement assigning
+ user-defined values and other cases.
+
+ (IsValidEnumLiteral): Helper function.
+
+ * expression.cs (ExprClassfromMemberInfo): Modify to not do any literalizing
+ out there in the case we had a literal FieldExpr.
+
+ (MemberAccess:DoResolve): Do the literalizing of the FieldExpr here.
+
+ (Literalize): Revamp a bit to take two arguments.
+
+ (EnumLiteral): New class which derives from Literal to wrap enum literals.
+
+2001-11-06 Ravi Pratap <ravi@ximian.com>
+
+ * cs-parser.jay (compilation_unit): Remove extra opt_attributes for now.
+
+ * expression.cs (ArrayCreation::ValidateInitializers): Implement.
+
+ (Resolve): Use the above to ensure we have proper initializers.
+
+2001-11-05 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (Expression::EvalConstantExpression): New method to
+ evaluate constant expressions.
+
+ * attribute.cs (Attribute::Resolve): Modify bits to use the above function.
+
+2001-11-07 Miguel de Icaza <miguel@ximian.com>
+
+ * expression.cs (ArrayCreation.Emit): Some bits to initialize data
+ in an array.
+
+ (Binary.ResolveOperator): Handle operator != (object a, object b)
+ and operator == (object a, object b);
+
+ (Binary.DoNumericPromotions): Indicate whether the numeric
+ promotion was possible.
+
+ (ArrayAccess.DoResolve, ArrayAccess.Emit, ArrayAccess.EmitAssign):
+ Implement.
+
+ Made the ArrayAccess implement interface IAssignMethod instead of
+ IStackStore as the order in which arguments are passed reflects
+ this.
+
+ * assign.cs: Instead of using expr.ExprClass to select the way of
+ assinging, probe for the IStackStore/IAssignMethod interfaces.
+
+ * typemanager.cs: Load InitializeArray definition.
+
+ * rootcontext.cs (RootContext.MakeStaticData): Used to define
+ static data that can be used to initialize arrays.
+
+2001-11-05 Miguel de Icaza <miguel@ximian.com>
+
+ * expression.cs: Handle operator== and operator!= for booleans.
+
+ (Conditioal.Reduce): Implement reducer for the ?: operator.
+
+ (Conditional.Resolve): Implement dead code elimination.
+
+ (Binary.Resolve): Catch string literals and return a new
+ concatenated string.
+
+ (Unary.Reduce): Implement reduction of unary expressions.
+
+ * ecore.cs: Split out the expression core handling here.
+
+ (Expression.Reduce): New method used to perform constant folding
+ and CSE. This is needed to support constant-expressions.
+
+ * statement.cs (Statement.EmitBoolExpression): Pass true and false
+ targets, and optimize for !x.
+
+2001-11-04 Ravi Pratap <ravi@ximian.com>
+
+ * attribute.cs (Attribute::Resolve): Implement guts. Note that resolution
+ of an attribute gives us a CustomAttributeBuilder which we use accordingly to
+ set custom atttributes.
+
+ * literal.cs (Literal::GetValue): New abstract method to return the actual
+ value of the literal, cast as an object.
+
+ (*Literal): Implement GetValue method.
+
+ * cs-parser.jay (positional_argument_list, named_argument_list): Add not just plain
+ expressions to the arraylist but objects of type Argument.
+
+ * class.cs (TypeContainer::Emit): Emit our attributes too.
+
+ (Method::Emit, Constructor::Emit): Ditto.
+
+ * cs-parser.jay (constructor_declaration): Set attributes too, which we seemed
+ to be ignoring earlier.
+
+2001-11-03 Ravi Pratap <ravi@ximian.com>
+
+ * attribute.cs (AttributeSection::Define): Implement to do the business
+ of constructing a CustomAttributeBuilder.
+
+ (Attribute): New trivial class. Increases readability of code.
+
+ * cs-parser.jay : Update accordingly.
+
+ (positional_argument_list, named_argument_list, named_argument): New rules
+
+ (attribute_arguments): Use the above so that we are more correct.
+
+2001-11-02 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (Invocation::IsParamsMethodApplicable): Implement
+ to perform all checks for a method with a params parameter.
+
+ (Invocation::OverloadResolve): Update to use the above method and therefore
+ cope correctly with params method invocations.
+
+ * support.cs (InternalParameters::ParameterDesc): Provide a desc for
+ params too.
+
+ * class.cs (ConstructorInitializer::Resolve): Make sure we look for Non-public
+ constructors in our parent too because we can't afford to miss out on
+ protected ones ;-)
+
+ * attribute.cs (AttributeSection): New name for the class Attribute
+
+ Other trivial changes to improve readability.
+
+ * cs-parser.jay (opt_attributes, attribute_section etc.): Modify to
+ use the new class names.
+
+2001-11-01 Ravi Pratap <ravi@ximian.com>
+
+ * class.cs (Method::Define): Complete definition for params types too
+
+ (Indexer::Define): Ditto.
+
+ * support.cs (InternalParameters::ParameterType, ParameterDesc, ParameterModifier):
+ Cope everywhere with a request for info about the array parameter.
+
+2001-11-01 Ravi Pratap <ravi@ximian.com>
+
+ * tree.cs (RecordNamespace): Fix up to check for the correct key.
+
+ * cs-parser.jay (GetQualifiedIdentifier): New Helper method used in
+ local_variable_type to extract the string corresponding to the type.
+
+ (local_variable_type): Fixup the action to use the new helper method.
+
+ * codegen.cs : Get rid of RefOrOutParameter, it's not the right way to
+ go.
+
+ * expression.cs : Clean out code which uses the above.
+
+2001-10-31 Ravi Pratap <ravi@ximian.com>
+
+ * typemanager.cs (RegisterMethod): Check if we already have an existing key
+ and bale out if necessary by returning a false.
+
+ (RegisterProperty): Ditto.
+
+ * class.cs (everywhere): Check the return value from TypeManager.RegisterMethod
+ and print out appropriate error messages.
+
+ * interface.cs (everywhere): Ditto.
+
+ * cs-parser.jay (property_declaration, event_declaration, indexer_declaration): Pass
+ location to constructor.
+
+ * class.cs (Property, Event, Indexer): Update accordingly.
+
+ * ../errors/cs111.cs : Added.
+
+ * expression.cs (Invocation::IsApplicable): New static method to determine applicability
+ of a method, as laid down by the spec.
+
+ (Invocation::OverloadResolve): Use the above method.
+
+2001-10-31 Ravi Pratap <ravi@ximian.com>
+
+ * support.cs (InternalParameters): Get rid of crap taking in duplicate info. We
+ now take a TypeContainer and a Parameters object.
+
+ (ParameterData): Modify return type of ParameterModifier method to be
+ Parameter.Modifier and not a string.
+
+ (ReflectionParameters, InternalParameters): Update accordingly.
+
+ * expression.cs (Argument::GetParameterModifier): Same here.
+
+ * support.cs (InternalParameters::ParameterType): Find a better way of determining
+ if we are a ref/out parameter. Actually, the type shouldn't be holding the '&'
+ symbol in it at all so maybe this is only for now.
+
+2001-10-30 Ravi Pratap <ravi@ximian.com>
+
+ * support.cs (InternalParameters): Constructor now takes an extra argument
+ which is the actual Parameters class.
+
+ (ParameterDesc): Update to provide info on ref/out modifiers.
+
+ * class.cs (everywhere): Update call to InternalParameters to pass in
+ the second argument too.
+
+ * support.cs (ParameterData): Add ParameterModifier, which is a method
+ to return the modifier info [ref/out etc]
+
+ (InternalParameters, ReflectionParameters): Implement the above.
+
+ * expression.cs (Argument::ParameterModifier): Similar function to return
+ info about the argument's modifiers.
+
+ (Invocation::OverloadResolve): Update to take into account matching modifiers
+ too.
+
+ * class.cs (Indexer::Define): Actually define a Parameter object and put it onto
+ a new SetFormalParameters object which we pass to InternalParameters.
+
+2001-10-30 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (NewArray): Merge into the ArrayCreation class.
+
+2001-10-29 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (NewArray): Merge classes NewBuiltinArray and
+ NewUserdefinedArray into one as there wasn't much of a use in having
+ two separate ones.
+
+ * expression.cs (Argument): Change field's name to ArgType from Type.
+
+ (Type): New readonly property which returns the proper type, taking into
+ account ref/out modifiers.
+
+ (everywhere): Adjust code accordingly for the above.
+
+ * codegen.cs (EmitContext.RefOrOutParameter): New field to determine
+ whether we are emitting for a ref or out parameter.
+
+ * expression.cs (Argument::Emit): Use the above field to set the state.
+
+ (LocalVariableReference::Emit): Update to honour the flag and emit the
+ right stuff.
+
+ * parameter.cs (Attributes): Set the correct flags for ref parameters.
+
+ * expression.cs (Argument::FullDesc): New function to provide a full desc.
+
+ * support.cs (ParameterData): Add method ParameterDesc to the interface.
+
+ (ReflectionParameters, InternalParameters): Implement the above method.
+
+ * expression.cs (Invocation::OverloadResolve): Use the new desc methods in
+ reporting errors.
+
+ (Invocation::FullMethodDesc): Ditto.
+
+2001-10-29 Miguel de Icaza <miguel@ximian.com>
+
+ * cs-parser.jay: Add extra production for the second form of array
+ creation.
+
+ * expression.cs (ArrayCreation): Update to reflect the above
+ change.
+
+ * Small changes to prepare for Array initialization.
+
+2001-10-28 Miguel de Icaza <miguel@ximian.com>
+
+ * typemanager.cs (ImplementsInterface): interface might be null;
+ Deal with this problem;
+
+ Also, we do store negative hits on the cache (null values), so use
+ this instead of calling t.GetInterfaces on the type everytime.
+
+2001-10-28 Ravi Pratap <ravi@ximian.com>
+
+ * typemanager.cs (IsBuiltinType): New method to help determine the same.
+
+ * expression.cs (New::DoResolve): Get rid of array creation code and instead
+ split functionality out into different classes.
+
+ (New::FormArrayType): Move into NewBuiltinArray.
+
+ (Invocation::EmitArguments): Get rid of the MethodBase argument. Appears
+ quite useless.
+
+ (NewBuiltinArray): New class to handle creation of built-in arrays.
+
+ (NewBuiltinArray::DoResolve): Implement guts of array creation. Also take into
+ account creation of one-dimensional arrays.
+
+ (::Emit): Implement to use Newarr and Newobj opcodes accordingly.
+
+ (NewUserdefinedArray::DoResolve): Implement.
+
+ * cs-parser.jay (local_variable_type): Fix up to add the rank to the variable too.
+
+ * typemanager.cs (AddModule): Used to add a ModuleBuilder to the list of modules
+ we maintain inside the TypeManager. This is necessary to perform lookups on the
+ module builder.
+
+ (LookupType): Update to perform GetType on the module builders too.
+
+ * driver.cs (Driver): Add the ModuleBuilder to the list maintained by the TypeManager.
+
+ * exprssion.cs (NewUserdefinedArray::Emit): Implement.
+
+2001-10-23 Ravi Pratap <ravi@ximian.com>
+
+ * expression.cs (New::DoResolve): Implement guts of array creation.
+
+ (New::FormLookupType): Rename to FormArrayType and modify ever so slightly.
+
+2001-10-27 Miguel de Icaza <miguel@ximian.com>
+
+ * expression.cs: Fix bug I introduced lsat night that broke
+ Delegates.
+
+ (Expression.Resolve): Report a 246 error (can not resolve name)
+ if we find a SimpleName in the stream.
+
+ (Expression.ResolveLValue): Ditto.
+
+ (Expression.ResolveWithSimpleName): This function is a variant of
+ ResolveName, this one allows SimpleNames to be returned without a
+ warning. The only consumer of SimpleNames is MemberAccess
+
+2001-10-26 Miguel de Icaza <miguel@ximian.com>
+
+ * expression.cs (Invocation::DoResolve): Catch SimpleNames that
+ might arrive here. I have my doubts that this is correct.
+
+ * statement.cs (Lock): Implement lock statement.
+
+ * cs-parser.jay: Small fixes to support `lock' and `using'
+
+ * cs-tokenizer.cs: Remove extra space
+
+ * driver.cs: New flag --checked, allows to turn on integer math
+ checking.
+
+ * typemanger.cs: Load methodinfos for Threading.Monitor.Enter and
+ Threading.Monitor.Exit
+
+2001-10-23 Miguel de Icaza <miguel@ximian.com>
+
+ * expression.cs (IndexerAccess::DoResolveLValue): Set the
+ Expression Class to be IndexerAccess.
+
+ Notice that Indexer::DoResolve sets the eclass to Value.
+
+2001-10-22 Miguel de Icaza <miguel@ximian.com>
+
+ * class.cs (TypeContainer::Emit): Emit code for indexers.
+
+ * assign.cs (IAssignMethod): New interface implemented by Indexers
+ and Properties for handling assignment.
+
+ (Assign::Emit): Simplify and reuse code.
+
+ * expression.cs (IndexerAccess, PropertyExpr): Implement
+ IAssignMethod, clean up old code.
+
+2001-10-22 Ravi Pratap <ravi@ximian.com>
+
+ * typemanager.cs (ImplementsInterface): New method to determine if a type
+ implements a given interface. Provides a nice cache too.
+
+ * expression.cs (ImplicitReferenceConversion): Update checks to use the above
+ method.
+
+ (ConvertReferenceExplicit): Ditto.
+
+ * delegate.cs (Delegate::Populate): Update to define the parameters on the
+ various methods, with correct names etc.
+
+ * class.cs (Operator::OpType): New members Operator.UnaryPlus and
+ Operator.UnaryNegation.
+
+ * cs-parser.jay (operator_declarator): Be a little clever in the case where
+ we have a unary plus or minus operator.
+
+ * expression.cs (Unary): Rename memebers of Operator enum to UnaryPlus and
+ UnaryMinus.
+
+ * everywhere : update accordingly.
+
+ * everywhere : Change Negate and BitComplement to LogicalNot and OnesComplement
+ respectively.
+
+ * class.cs (Method::Define): For the case where we are implementing a method
+ inherited from an interface, we need to set the MethodAttributes.Final flag too.
+ Also set MethodAttributes.NewSlot and MethodAttributes.HideBySig.
+
2001-10-21 Ravi Pratap <ravi@ximian.com>
* interface.cs (FindMembers): Implement to work around S.R.E