using System;
using System.Reflection;
using System.Reflection.Emit;
-using System.Collections;
using System.Text;
namespace Mono.CSharp {
/// <summary>
/// Abstract Base class for parameters of a method.
/// </summary>
- public abstract class ParameterBase : Attributable {
-
+ public abstract class ParameterBase : Attributable
+ {
protected ParameterBuilder builder;
- protected ParameterBase (Attributes attrs)
- : base (attrs)
- {
- }
-
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
+ public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb, PredefinedAttributes pa)
{
- if (a.Type == TypeManager.marshal_as_attr_type) {
+#if false
+ if (a.Type == pa.MarshalAs) {
UnmanagedMarshal marshal = a.GetMarshal (this);
if (marshal != null) {
builder.SetMarshal (marshal);
}
return;
}
-
+#endif
if (a.HasSecurityAttribute) {
a.Error_InvalidSecurityParent ();
return;
}
+ if (a.Type == pa.Dynamic) {
+ a.Error_MisusedDynamicAttribute ();
+ return;
+ }
+
builder.SetCustomAttribute (cb);
}
+ public ParameterBuilder Builder {
+ get {
+ return builder;
+ }
+ }
+
public override bool IsClsComplianceRequired()
{
return false;
/// <summary>
/// Class for applying custom attributes on the return type
/// </summary>
- public class ReturnParameter : ParameterBase {
- public ReturnParameter (MethodBuilder mb, Location location):
- base (null)
+ public class ReturnParameter : ParameterBase
+ {
+ MemberCore method;
+
+ // TODO: merge method and mb
+ public ReturnParameter (MemberCore method, MethodBuilder mb, Location location)
{
+ this.method = method;
try {
builder = mb.DefineParameter (0, ParameterAttributes.None, "");
}
catch (ArgumentOutOfRangeException) {
- Report.RuntimeMissingSupport (location, "custom attributes on the return type");
+ method.Compiler.Report.RuntimeMissingSupport (location, "custom attributes on the return type");
}
}
- public override void ApplyAttributeBuilder(Attribute a, CustomAttributeBuilder cb)
+ public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb, PredefinedAttributes pa)
{
- if (a.Type == TypeManager.cls_compliant_attribute_type) {
- Report.Warning (3023, 1, a.Location, "CLSCompliant attribute has no meaning when applied to return types. Try putting it on the method instead");
+ if (a.Type == pa.CLSCompliant) {
+ method.Compiler.Report.Warning (3023, 1, a.Location,
+ "CLSCompliant attribute has no meaning when applied to return types. Try putting it on the method instead");
}
// This occurs after Warning -28
if (builder == null)
return;
- base.ApplyAttributeBuilder (a, cb);
+ base.ApplyAttributeBuilder (a, cb, pa);
}
public override AttributeTargets AttributeTargets {
}
}
- public override IResolveContext ResolveContext {
- get {
- throw new NotSupportedException ();
- }
- }
-
/// <summary>
/// Is never called
/// </summary>
///
// TODO: should use more code from Parameter.ApplyAttributeBuilder
public class ImplicitParameter : ParameterBase {
- public ImplicitParameter (MethodBuilder mb):
- base (null)
+ public ImplicitParameter (MethodBuilder mb)
{
- builder = mb.DefineParameter (1, ParameterAttributes.None, "");
+ builder = mb.DefineParameter (1, ParameterAttributes.None, "value");
}
public override AttributeTargets AttributeTargets {
}
}
- public override IResolveContext ResolveContext {
- get {
- throw new NotSupportedException ();
- }
- }
-
/// <summary>
/// Is never called
/// </summary>
public class ImplicitLambdaParameter : Parameter
{
public ImplicitLambdaParameter (string name, Location loc)
- : base ((Type)null, name, Modifier.NONE, null, loc)
+ : base (null, name, Modifier.NONE, null, loc)
{
}
- public override bool Resolve (IResolveContext ec)
+ public override Type Resolve (IMemberContext ec)
{
if (parameter_type == null)
throw new InternalErrorException ("A type of implicit lambda parameter `{0}' is not set",
Name);
- return true;
+ return parameter_type;
+ }
+
+ public Type Type {
+ set { parameter_type = value; }
}
}
{
}
- public override bool Resolve (IResolveContext ec)
+ public override Type Resolve (IMemberContext ec)
{
- if (!base.Resolve (ec))
- return false;
+ if (base.Resolve (ec) == null)
+ return null;
if (!parameter_type.IsArray || parameter_type.GetArrayRank () != 1) {
- Report.Error (225, Location, "The params parameter must be a single dimensional array");
- return false;
+ ec.Compiler.Report.Error (225, Location, "The params parameter must be a single dimensional array");
+ return null;
}
- return true;
+
+ return parameter_type;
}
public override void ApplyAttributes (MethodBuilder mb, ConstructorBuilder cb, int index)
{
base.ApplyAttributes (mb, cb, index);
-
- CustomAttributeBuilder ca = TypeManager.param_array_attr;
- if (ca == null) {
- ConstructorInfo ci = TypeManager.GetPredefinedConstructor (TypeManager.param_array_type, Location, Type.EmptyTypes);
- if (ci == null)
- return;
-
- ca = new CustomAttributeBuilder (ci, new object [0]);
- if (ca == null)
- return;
-
- TypeManager.param_array_attr = ca;
- }
-
- builder.SetCustomAttribute (ca);
+ PredefinedAttributes.Get.ParamArray.EmitAttribute (builder);
}
}
public class ArglistParameter : Parameter {
// Doesn't have proper type because it's never chosen for better conversion
- public ArglistParameter () :
- base (typeof (ArglistParameter), String.Empty, Parameter.Modifier.ARGLIST, null, Location.Null)
+ public ArglistParameter (Location loc) :
+ base (null, String.Empty, Parameter.Modifier.NONE, null, loc)
{
}
+ public override void ApplyAttributes (MethodBuilder mb, ConstructorBuilder cb, int index)
+ {
+ // Nothing to do
+ }
+
public override bool CheckAccessibility (InterfaceMemberBase member)
{
return true;
}
- public override bool Resolve (IResolveContext ec)
+ public override Type Resolve (IMemberContext ec)
{
- return true;
+ return InternalType.Arglist;
}
public override string GetSignatureForError ()
}
}
- /// <summary>
- /// Represents a single method parameter
- /// </summary>
- public class Parameter : ParameterBase {
+ public interface IParameterData
+ {
+ Expression DefaultValue { get; }
+ bool HasExtensionMethodModifier { get; }
+ bool HasDefaultValue { get; }
+ Parameter.Modifier ModFlags { get; }
+ string Name { get; }
+ }
+
+ //
+ // Parameter information created by parser
+ //
+ public class Parameter : ParameterBase, IParameterData, ILocalVariable {
[Flags]
public enum Modifier : byte {
NONE = 0,
PARAMS = 4,
// This is a flag which says that it's either REF or OUT.
ISBYREF = 8,
- ARGLIST = 16,
REFMASK = 32,
OUTMASK = 64,
This = 128
}
- class ParameterVariable : Variable
- {
- readonly Parameter Parameter;
- readonly int Idx;
-
- public ParameterVariable (Parameter par, int idx)
- {
- this.Parameter = par;
- this.Idx = idx;
- }
-
- public override Type Type
- {
- get { return Parameter.ParameterType; }
- }
-
- public override bool HasInstance
- {
- get { return false; }
- }
-
- public override bool NeedsTemporary
- {
- get { return false; }
- }
-
- public override void EmitInstance (EmitContext ec)
- {
- }
-
- public override void Emit (EmitContext ec)
- {
- int arg_idx = Idx;
- if (!ec.MethodIsStatic)
- arg_idx++;
-
- ParameterReference.EmitLdArg (ec.ig, arg_idx);
- }
-
- public override void EmitAssign (EmitContext ec)
- {
- int arg_idx = Idx;
- if (!ec.MethodIsStatic)
- arg_idx++;
-
- if (arg_idx <= 255)
- ec.ig.Emit (OpCodes.Starg_S, (byte) arg_idx);
- else
- ec.ig.Emit (OpCodes.Starg, arg_idx);
- }
-
- public override void EmitAddressOf (EmitContext ec)
- {
- int arg_idx = Idx;
-
- if (!ec.MethodIsStatic)
- arg_idx++;
-
- bool is_ref = (Parameter.ModFlags & Parameter.Modifier.ISBYREF) != 0;
- if (is_ref) {
- if (arg_idx <= 255)
- ec.ig.Emit (OpCodes.Ldarg_S, (byte) arg_idx);
- else
- ec.ig.Emit (OpCodes.Ldarg, arg_idx);
- } else {
- if (arg_idx <= 255)
- ec.ig.Emit (OpCodes.Ldarga_S, (byte) arg_idx);
- else
- ec.ig.Emit (OpCodes.Ldarga, arg_idx);
- }
- }
- }
-
static string[] attribute_targets = new string [] { "param" };
- FullNamedExpression TypeName;
+ protected FullNamedExpression TypeName;
readonly Modifier modFlags;
- public string Name;
- public bool IsCaptured;
+ string name;
+ Expression default_expr;
protected Type parameter_type;
public readonly Location Location;
+ int idx;
+ public bool HasAddressTaken;
- IResolveContext resolve_context;
- LocalVariableReference expr_tree_variable;
+ Expression expr_tree_variable;
static TypeExpr parameter_expr_tree_type;
- Variable var;
- public Variable Variable {
- get { return var; }
- }
+ HoistedVariable hoisted_variant;
-#if GMCS_SOURCE
- public bool IsTypeParameter;
-#else
- public bool IsTypeParameter {
- get {
- return false;
- }
- set {
- if (value)
- throw new Exception ("You can not se TypeParameter in MCS");
- }
- }
-#endif
-
public Parameter (FullNamedExpression type, string name, Modifier mod, Attributes attrs, Location loc)
- : this (type.Type, name, mod, attrs, loc)
- {
- if (type == TypeManager.system_void_expr)
- Report.Error (1536, loc, "Invalid parameter type `void'");
-
- TypeName = type;
- }
-
- public Parameter (Type type, string name, Modifier mod, Attributes attrs, Location loc)
- : base (attrs)
{
- Name = name;
+ this.name = name;
modFlags = mod;
- parameter_type = type;
Location = loc;
+ TypeName = type;
+
+ // Only assign, attributes will be attached during resolve
+ base.attributes = attrs;
}
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb)
+ public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb, PredefinedAttributes pa)
{
- if (a.Type == TypeManager.in_attribute_type && ModFlags == Modifier.OUT) {
- Report.Error (36, a.Location, "An out parameter cannot have the `In' attribute");
+ if (a.Type == pa.In && ModFlags == Modifier.OUT) {
+ a.Report.Error (36, a.Location, "An out parameter cannot have the `In' attribute");
return;
}
- if (a.Type == TypeManager.param_array_type) {
- Report.Error (674, a.Location, "Do not use `System.ParamArrayAttribute'. Use the `params' keyword instead");
+ if (a.Type == pa.ParamArray) {
+ a.Report.Error (674, a.Location, "Do not use `System.ParamArrayAttribute'. Use the `params' keyword instead");
return;
}
- if (a.Type == TypeManager.out_attribute_type && (ModFlags & Modifier.REF) == Modifier.REF &&
- TypeManager.in_attribute_type != null && !OptAttributes.Contains (TypeManager.in_attribute_type)) {
- Report.Error (662, a.Location,
+ if (a.Type == PredefinedAttributes.Get.Out && (ModFlags & Modifier.REF) == Modifier.REF &&
+ !OptAttributes.Contains (pa.In)) {
+ a.Report.Error (662, a.Location,
"Cannot specify only `Out' attribute on a ref parameter. Use both `In' and `Out' attributes or neither");
return;
}
- if (a.Type == TypeManager.cls_compliant_attribute_type) {
- Report.Warning (3022, 1, a.Location, "CLSCompliant attribute has no meaning when applied to parameters. Try putting it on the method instead");
+ if (a.Type == pa.CLSCompliant) {
+ a.Report.Warning (3022, 1, a.Location, "CLSCompliant attribute has no meaning when applied to parameters. Try putting it on the method instead");
}
- // TypeManager.default_parameter_value_attribute_type is null if !NET_2_0, or if System.dll is not referenced
- if (a.Type == TypeManager.default_parameter_value_attribute_type) {
+ if (HasDefaultValue && (a.Type == pa.DefaultParameterValue || a.Type == pa.OptionalParameter)) {
+ a.Report.Error (1745, a.Location,
+ "Cannot specify `{0}' attribute on optional parameter `{1}'",
+ TypeManager.CSharpName (a.Type).Replace ("Attribute", ""), Name);
+ return;
+ }
+
+ if (a.Type == pa.DefaultParameterValue) {
object val = a.GetParameterDefaultValue ();
if (val != null) {
Type t = val.GetType ();
if (!t.IsArray)
t = TypeManager.type_type;
- Report.Error (1910, a.Location, "Argument of type `{0}' is not applicable for the DefaultValue attribute",
+ a.Report.Error (1910, a.Location, "Argument of type `{0}' is not applicable for the DefaultParameterValue attribute",
TypeManager.CSharpName (t));
} else {
- Report.Error (1909, a.Location, "The DefaultValue attribute is not applicable on parameters of type `{0}'",
+ a.Report.Error (1909, a.Location, "The DefaultParameterValue attribute is not applicable on parameters of type `{0}'",
TypeManager.CSharpName (parameter_type)); ;
}
return;
}
if (parameter_type == TypeManager.object_type ||
- (val == null && !TypeManager.IsValueType (parameter_type)) ||
+ (val == null && !TypeManager.IsGenericParameter (parameter_type) && TypeManager.IsReferenceType (parameter_type)) ||
(val != null && TypeManager.TypeToCoreType (val.GetType ()) == parameter_type))
builder.SetConstant (val);
else
- Report.Error (1908, a.Location, "The type of the default value should match the type of the parameter");
+ a.Report.Error (1908, a.Location, "The type of the default value should match the type of the parameter");
return;
}
- base.ApplyAttributeBuilder (a, cb);
+ base.ApplyAttributeBuilder (a, cb, pa);
}
public virtual bool CheckAccessibility (InterfaceMemberBase member)
{
- if (IsTypeParameter)
+ if (parameter_type == null || TypeManager.IsGenericParameter (parameter_type))
return true;
return member.IsAccessibleAs (parameter_type);
}
- public override IResolveContext ResolveContext {
- get {
- return resolve_context;
- }
- }
-
// <summary>
// Resolve is used in method definitions
// </summary>
- public virtual bool Resolve (IResolveContext ec)
+ public virtual Type Resolve (IMemberContext rc)
{
- // HACK: to resolve attributes correctly
- this.resolve_context = ec;
-
if (parameter_type != null)
- return true;
+ return parameter_type;
+
+ if (attributes != null)
+ attributes.AttachTo (this, rc);
- TypeExpr texpr = TypeName.ResolveAsTypeTerminal (ec, false);
+ TypeExpr texpr = TypeName.ResolveAsTypeTerminal (rc, false);
if (texpr == null)
- return false;
+ return null;
parameter_type = texpr.Type;
-#if GMCS_SOURCE
- TypeParameterExpr tparam = texpr as TypeParameterExpr;
- if (tparam != null) {
- IsTypeParameter = true;
- return true;
+ // Ignore all checks for dummy members
+ AbstractPropertyEventMethod pem = rc as AbstractPropertyEventMethod;
+ if (pem != null && pem.IsDummy)
+ return parameter_type;
+
+ if (default_expr != null)
+ default_expr = ResolveDefaultValue (new ResolveContext (rc));
+
+ if ((modFlags & Parameter.Modifier.ISBYREF) != 0 &&
+ TypeManager.IsSpecialType (parameter_type)) {
+ rc.Compiler.Report.Error (1601, Location, "Method or delegate parameter cannot be of type `{0}'",
+ GetSignatureForError ());
+ return null;
}
-#endif
+
+ TypeManager.CheckTypeVariance (parameter_type,
+ (modFlags & Parameter.Modifier.ISBYREF) != 0 ? Variance.None : Variance.Contravariant,
+ rc);
+
+ if (TypeManager.IsGenericParameter (parameter_type))
+ return parameter_type;
if ((parameter_type.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute) {
- Report.Error (721, Location, "`{0}': static types cannot be used as parameters",
+ rc.Compiler.Report.Error (721, Location, "`{0}': static types cannot be used as parameters",
texpr.GetSignatureForError ());
- return false;
+ return parameter_type;
}
- if ((modFlags & Parameter.Modifier.ISBYREF) != 0){
- if (parameter_type == TypeManager.typed_reference_type ||
- parameter_type == TypeManager.arg_iterator_type){
- Report.Error (1601, Location, "Method or delegate parameter cannot be of type `{0}'",
- GetSignatureForError ());
- return false;
+ if ((modFlags & Modifier.This) != 0 && (parameter_type.IsPointer || TypeManager.IsDynamicType (parameter_type))) {
+ rc.Compiler.Report.Error (1103, Location, "The extension method cannot be of type `{0}'",
+ TypeManager.CSharpName (parameter_type));
+ }
+
+ return parameter_type;
+ }
+
+ Expression ResolveDefaultValue (ResolveContext rc)
+ {
+ default_expr = default_expr.Resolve (rc);
+ if (default_expr == null)
+ return null;
+
+ if (!(default_expr is Constant || default_expr is DefaultValueExpression)) {
+ if (TypeManager.IsNullableType (parameter_type)) {
+ rc.Compiler.Report.Error (1770, default_expr.Location,
+ "The expression being assigned to nullable optional parameter `{0}' must be default value",
+ Name);
+ } else {
+ rc.Compiler.Report.Error (1736, default_expr.Location,
+ "The expression being assigned to optional parameter `{0}' must be a constant or default value",
+ Name);
}
+
+ return null;
}
- if ((modFlags & Modifier.This) != 0 && parameter_type.IsPointer) {
- Report.Error (1103, Location, "The type of extension method cannot be `{0}'",
- TypeManager.CSharpName (parameter_type));
- return false;
+ if (TypeManager.IsEqual (default_expr.Type, parameter_type))
+ return default_expr;
+
+ if (TypeManager.IsNullableType (parameter_type)) {
+ if (Convert.ImplicitNulableConversion (rc, default_expr, parameter_type) != null)
+ return default_expr;
+ } else {
+ var res = Convert.ImplicitConversionStandard (rc, default_expr, parameter_type, default_expr.Location);
+ if (res != null) {
+ if (!default_expr.IsNull && TypeManager.IsReferenceType (parameter_type) && parameter_type != TypeManager.string_type) {
+ rc.Compiler.Report.Error (1763, default_expr.Location,
+ "Optional parameter `{0}' of type `{1}' can only be initialized with `null'",
+ Name, GetSignatureForError ());
+
+ return null;
+ }
+
+ return res;
+ }
}
-
- return true;
+
+ rc.Compiler.Report.Error (1750, Location,
+ "Optional parameter expression of type `{0}' cannot be converted to parameter type `{1}'",
+ TypeManager.CSharpName (default_expr.Type), GetSignatureForError ());
+
+ return null;
}
- public void ResolveVariable (ToplevelBlock toplevel, int idx)
+ public void ResolveVariable (int idx)
{
- if (toplevel.RootScope != null)
- var = toplevel.RootScope.GetCapturedParameter (this);
- if (var == null)
- var = new ParameterVariable (this, idx);
+ this.idx = idx;
}
- public Type ExternalType ()
- {
- if ((modFlags & Parameter.Modifier.ISBYREF) != 0)
- return TypeManager.GetReferenceType (parameter_type);
-
- return parameter_type;
+ public bool HasDefaultValue {
+ get { return default_expr != null; }
}
public bool HasExtensionMethodModifier {
get { return (modFlags & Modifier.This) != 0; }
}
- public Modifier ModFlags {
- get { return modFlags & ~Modifier.This; }
- }
-
- public Type ParameterType {
+ //
+ // Hoisted parameter variant
+ //
+ public HoistedVariable HoistedVariant {
get {
- return parameter_type;
+ return hoisted_variant;
}
set {
- parameter_type = value;
- IsTypeParameter = false;
+ hoisted_variant = value;
}
}
- ParameterAttributes Attributes {
- get {
- return (modFlags & Modifier.OUT) == Modifier.OUT ?
- ParameterAttributes.Out : ParameterAttributes.None;
- }
+ public Modifier ModFlags {
+ get { return modFlags & ~Modifier.This; }
}
- // TODO: should be removed !!!!!!!
- public static ParameterAttributes GetParameterAttributes (Modifier mod)
- {
- int flags = ((int) mod) & ~((int) Parameter.Modifier.ISBYREF);
- switch ((Modifier) flags) {
- case Modifier.NONE:
- return ParameterAttributes.None;
- case Modifier.REF:
- return ParameterAttributes.None;
- case Modifier.OUT:
- return ParameterAttributes.Out;
- case Modifier.PARAMS:
- return 0;
- }
-
- return ParameterAttributes.None;
+ public string Name {
+ get { return name; }
+ set { name = value; }
}
-
+
+ ParameterAttributes Attributes {
+ get { return ParametersCompiled.GetParameterAttribute (modFlags) |
+ (HasDefaultValue ? ParameterAttributes.Optional : ParameterAttributes.None); }
+ }
+
public override AttributeTargets AttributeTargets {
get {
return AttributeTargets.Parameter;
string mod = GetModifierSignature (modFlags);
if (mod.Length > 0)
- return String.Concat (mod, ' ', type_name);
+ return String.Concat (mod, " ", type_name);
return type_name;
}
public static string GetModifierSignature (Modifier mod)
{
switch (mod) {
- case Modifier.OUT:
- return "out";
- case Modifier.PARAMS:
- return "params";
- case Modifier.REF:
- return "ref";
- case Modifier.ARGLIST:
- return "__arglist";
- case Modifier.This:
- return "this";
- default:
- return "";
+ case Modifier.OUT:
+ return "out";
+ case Modifier.PARAMS:
+ return "params";
+ case Modifier.REF:
+ return "ref";
+ case Modifier.This:
+ return "this";
+ default:
+ return "";
}
}
- public void IsClsCompliant ()
+ public void IsClsCompliant (IMemberContext ctx)
{
- if (AttributeTester.IsClsCompliant (ExternalType ()))
+ if (AttributeTester.IsClsCompliant (parameter_type))
return;
- Report.Error (3001, Location, "Argument type `{0}' is not CLS-compliant", GetSignatureForError ());
+ ctx.Compiler.Report.Warning (3001, 1, Location,
+ "Argument type `{0}' is not CLS-compliant", GetSignatureForError ());
}
public virtual void ApplyAttributes (MethodBuilder mb, ConstructorBuilder cb, int index)
{
-#if !GMCS_SOURCE || !MS_COMPATIBLE
- // TODO: It should use mb.DefineGenericParameters
if (mb == null)
builder = cb.DefineParameter (index, Attributes, Name);
- else
+ else
builder = mb.DefineParameter (index, Attributes, Name);
-#endif
if (OptAttributes != null)
OptAttributes.Emit ();
+
+ if (HasDefaultValue) {
+ //
+ // Emit constant values for true constants only, the other
+ // constant-like expressions will rely on default value expression
+ //
+ Constant c = default_expr as Constant;
+ if (c != null) {
+ if (default_expr.Type == TypeManager.decimal_type) {
+ builder.SetCustomAttribute (Const.CreateDecimalConstantAttribute (c));
+ } else {
+ builder.SetConstant (c.GetTypedValue ());
+ }
+ }
+ }
+
+ if (TypeManager.IsDynamicType (parameter_type)) {
+ PredefinedAttributes.Get.Dynamic.EmitAttribute (builder);
+ } else {
+ var trans_flags = TypeManager.HasDynamicTypeUsed (parameter_type);
+ if (trans_flags != null) {
+ var pa = PredefinedAttributes.Get.DynamicTransform;
+ if (pa.Constructor != null || pa.ResolveConstructor (Location, TypeManager.bool_type.MakeArrayType ())) {
+ builder.SetCustomAttribute (
+ new CustomAttributeBuilder (pa.Constructor, new object [] { trans_flags }));
+ }
+ }
+ }
}
public override string[] ValidAttributeTargets {
public Parameter Clone ()
{
- Parameter p = new Parameter (parameter_type, Name, modFlags, attributes, Location);
- p.IsTypeParameter = IsTypeParameter;
+ Parameter p = (Parameter) MemberwiseClone ();
+ if (attributes != null)
+ p.attributes = attributes.Clone ();
return p;
}
- public ExpressionStatement CreateExpressionTreeVariable (EmitContext ec)
+ public ExpressionStatement CreateExpressionTreeVariable (BlockContext ec)
{
if ((modFlags & Modifier.ISBYREF) != 0)
- Report.Error (1951, Location, "An expression tree parameter cannot use `ref' or `out' modifier");
+ ec.Report.Error (1951, Location, "An expression tree parameter cannot use `ref' or `out' modifier");
- LocalInfo variable = ec.CurrentBlock.AddTemporaryVariable (
- ResolveParameterExpressionType (ec, Location), Location);
- variable.Resolve (ec);
+ expr_tree_variable = new TemporaryVariable (ResolveParameterExpressionType (ec, Location).Type, Location);
+ expr_tree_variable = expr_tree_variable.Resolve (ec);
- expr_tree_variable = new LocalVariableReference (
- ec.CurrentBlock, variable.Name, Location, variable, false);
-
- ArrayList arguments = new ArrayList (2);
+ Arguments arguments = new Arguments (2);
arguments.Add (new Argument (new TypeOf (
new TypeExpression (parameter_type, Location), Location)));
arguments.Add (new Argument (new StringConstant (Name, Location)));
return new SimpleAssign (ExpressionTreeVariableReference (),
- Expression.CreateExpressionFactoryCall ("Parameter", null, arguments, Location));
+ Expression.CreateExpressionFactoryCall (ec, "Parameter", null, arguments, Location));
+ }
+
+ public Expression DefaultValue {
+ get { return default_expr; }
+ set { default_expr = value; }
+ }
+
+ public void Emit (EmitContext ec)
+ {
+ int arg_idx = idx;
+ if (!ec.IsStatic)
+ arg_idx++;
+
+ ParameterReference.EmitLdArg (ec.ig, arg_idx);
+ }
+
+ public void EmitAssign (EmitContext ec)
+ {
+ int arg_idx = idx;
+ if (!ec.IsStatic)
+ arg_idx++;
+
+ if (arg_idx <= 255)
+ ec.ig.Emit (OpCodes.Starg_S, (byte) arg_idx);
+ else
+ ec.ig.Emit (OpCodes.Starg, arg_idx);
+ }
+
+ public void EmitAddressOf (EmitContext ec)
+ {
+ int arg_idx = idx;
+
+ if (!ec.IsStatic)
+ arg_idx++;
+
+ bool is_ref = (ModFlags & Modifier.ISBYREF) != 0;
+ if (is_ref) {
+ ParameterReference.EmitLdArg (ec.ig, arg_idx);
+ } else {
+ if (arg_idx <= 255)
+ ec.ig.Emit (OpCodes.Ldarga_S, (byte) arg_idx);
+ else
+ ec.ig.Emit (OpCodes.Ldarga, arg_idx);
+ }
}
public Expression ExpressionTreeVariableReference ()
//
// System.Linq.Expressions.ParameterExpression type
//
- public static TypeExpr ResolveParameterExpressionType (EmitContext ec, Location location)
+ public static TypeExpr ResolveParameterExpressionType (IMemberContext ec, Location location)
{
if (parameter_expr_tree_type != null)
return parameter_expr_tree_type;
Type p_type = TypeManager.parameter_expression_type;
if (p_type == null) {
- p_type = TypeManager.CoreLookupType ("System.Linq.Expressions", "ParameterExpression", Kind.Class, true);
+ p_type = TypeManager.CoreLookupType (ec.Compiler, "System.Linq.Expressions", "ParameterExpression", MemberKind.Class, true);
TypeManager.parameter_expression_type = p_type;
}
return parameter_expr_tree_type;
}
- }
-
- /// <summary>
- /// Represents the methods parameters
- /// </summary>
- public class Parameters : ParameterData {
- // Null object pattern
- public readonly Parameter [] FixedParameters;
- public readonly bool HasArglist;
- Type [] types;
- readonly int count;
- public static readonly Parameters EmptyReadOnlyParameters = new Parameters ();
- static readonly Parameter ArgList = new ArglistParameter ();
+ public void Warning_UselessOptionalParameter (Report Report)
+ {
+ Report.Warning (1066, 1, Location,
+ "The default value specified for optional parameter `{0}' will never be used",
+ Name);
+ }
+ }
-#if GMCS_SOURCE
-// public readonly TypeParameter[] TypeParameters;
-#endif
+ //
+ // Imported or resolved parameter information
+ //
+ public class ParameterData : IParameterData
+ {
+ readonly string name;
+ readonly Parameter.Modifier modifiers;
+ readonly Expression default_value;
- private Parameters ()
+ public ParameterData (string name, Parameter.Modifier modifiers)
{
- FixedParameters = new Parameter[0];
- types = new Type [0];
+ this.name = name;
+ this.modifiers = modifiers;
}
- private Parameters (Parameter[] parameters, Type[] types)
+ public ParameterData (string name, Parameter.Modifier modifiers, Expression defaultValue)
+ : this (name, modifiers)
{
- FixedParameters = parameters;
- this.types = types;
- count = types.Length;
+ this.default_value = defaultValue;
}
-
- public Parameters (params Parameter[] parameters)
- {
- if (parameters == null)
- throw new ArgumentException ("Use EmptyReadOnlyPatameters");
- FixedParameters = parameters;
- count = parameters.Length;
+ #region IParameterData Members
+
+ public Expression DefaultValue {
+ get { return default_value; }
}
- public Parameters (Parameter[] parameters, bool has_arglist):
- this (parameters)
- {
- HasArglist = has_arglist;
+ public bool HasExtensionMethodModifier {
+ get { return (modifiers & Parameter.Modifier.This) != 0; }
}
-
- public static Parameters CreateFullyResolved (Parameter p)
- {
- return new Parameters (new Parameter [] { p }, new Type [] { p.ParameterType });
+
+ public bool HasDefaultValue {
+ get { return default_value != null; }
}
-
- public static Parameters CreateFullyResolved (Parameter[] parameters, Type[] types)
- {
- return new Parameters (parameters, types);
+
+ public Parameter.Modifier ModFlags {
+ get { return modifiers & ~Parameter.Modifier.This; }
}
- /// <summary>
- /// Use this method when you merge compiler generated argument with user arguments
- /// </summary>
- public static Parameters MergeGenerated (Parameters userParams, params Parameter[] compilerParams)
- {
- Parameter[] all_params = new Parameter [userParams.count + compilerParams.Length];
- Type[] all_types = new Type[all_params.Length];
- userParams.FixedParameters.CopyTo(all_params, 0);
- userParams.Types.CopyTo (all_types, 0);
+ public string Name {
+ get { return name; }
+ }
- int last_filled = userParams.Count;
- foreach (Parameter p in compilerParams) {
- for (int i = 0; i < last_filled; ++i) {
- while (p.Name == all_params [i].Name) {
- p.Name = '_' + p.Name;
- }
- }
- all_params [last_filled] = p;
- all_types [last_filled] = p.ParameterType;
- ++last_filled;
- }
-
- return new Parameters (all_params, all_types);
+ #endregion
+ }
+
+ public abstract class AParametersCollection
+ {
+ protected bool has_arglist;
+ protected bool has_params;
+
+ // Null object pattern
+ protected IParameterData [] parameters;
+ protected Type [] types;
+
+ public ParametersCompiled AsCompiled {
+ get { return (ParametersCompiled) this; }
}
- public bool Empty {
+ public CallingConventions CallingConvention {
get {
- return count == 0;
+ return has_arglist ?
+ CallingConventions.VarArgs :
+ CallingConventions.Standard;
}
}
public int Count {
- get {
- return HasArglist ? count + 1 : count;
- }
+ get { return parameters.Length; }
}
- //
- // The property can be used after parameter types were resolved.
- //
public Type ExtensionMethodType {
get {
- if (count == 0)
+ if (Count == 0)
return null;
return FixedParameters [0].HasExtensionMethodModifier ?
}
}
- public bool HasExtensionMethodType {
+ public IParameterData [] FixedParameters {
get {
- if (count == 0)
- return false;
-
- return FixedParameters [0].HasExtensionMethodModifier;
+ return parameters;
}
}
-
- bool VerifyArgs ()
+ public static ParameterAttributes GetParameterAttribute (Parameter.Modifier modFlags)
{
- if (count < 2)
- return true;
+ return (modFlags & Parameter.Modifier.OUT) == Parameter.Modifier.OUT ?
+ ParameterAttributes.Out : ParameterAttributes.None;
+ }
- for (int i = 0; i < count; i++){
- string base_name = FixedParameters [i].Name;
- for (int j = i + 1; j < count; j++){
- if (base_name != FixedParameters [j].Name)
- continue;
+ public Type [] GetEmitTypes ()
+ {
+ Type [] types = null;
+ if (has_arglist) {
+ if (Count == 1)
+ return Type.EmptyTypes;
- Report.Error (100, FixedParameters [i].Location,
- "The parameter name `{0}' is a duplicate", base_name);
- return false;
- }
+ types = new Type [Count - 1];
+ Array.Copy (Types, types, types.Length);
}
- return true;
- }
-
-
- /// <summary>
- /// Returns the paramenter information based on the name
- /// </summary>
- public Parameter GetParameterByName (string name, out int idx)
- {
- idx = 0;
- if (count == 0)
- return null;
+ for (int i = 0; i < Count; ++i) {
+ if ((FixedParameters [i].ModFlags & Parameter.Modifier.ISBYREF) == 0)
+ continue;
- int i = 0;
+ if (types == null)
+ types = (Type []) Types.Clone ();
- foreach (Parameter par in FixedParameters){
- if (par.Name == name){
- idx = i;
- return par;
- }
- i++;
+ types [i] = TypeManager.GetReferenceType (types [i]);
}
- return null;
- }
- public Parameter GetParameterByName (string name)
- {
- int idx;
+ if (types == null)
+ types = Types;
- return GetParameterByName (name, out idx);
+ return types;
}
-
- public bool Resolve (IResolveContext ec)
- {
- if (types != null)
- return true;
-
- types = new Type [count];
-
- if (!VerifyArgs ())
- return false;
- bool ok = true;
- Parameter p;
- for (int i = 0; i < FixedParameters.Length; ++i) {
- p = FixedParameters [i];
- if (!p.Resolve (ec)) {
- ok = false;
- continue;
- }
- types [i] = p.ExternalType ();
+ //
+ // Returns the parameter information based on the name
+ //
+ public int GetParameterIndexByName (string name)
+ {
+ for (int idx = 0; idx < Count; ++idx) {
+ if (parameters [idx].Name == name)
+ return idx;
}
- return ok;
+ return -1;
}
- public void ResolveVariable (ToplevelBlock toplevel)
+ public string GetSignatureForError ()
{
- for (int i = 0; i < FixedParameters.Length; ++i) {
- Parameter p = FixedParameters [i];
- p.ResolveVariable (toplevel, i);
+ StringBuilder sb = new StringBuilder ("(");
+ for (int i = 0; i < Count; ++i) {
+ if (i != 0)
+ sb.Append (", ");
+ sb.Append (ParameterDesc (i));
}
+ sb.Append (')');
+ return sb.ToString ();
}
- public CallingConventions CallingConvention
- {
+ public bool HasArglist {
+ get { return has_arglist; }
+ }
+
+ public bool HasExtensionMethodType {
get {
- if (HasArglist)
- return CallingConventions.VarArgs;
- else
- return CallingConventions.Standard;
+ if (Count == 0)
+ return false;
+
+ return FixedParameters [0].HasExtensionMethodModifier;
}
}
- // Define each type attribute (in/out/ref) and
- // the argument names.
- public void ApplyAttributes (MethodBase builder)
+ public bool HasParams {
+ get { return has_params; }
+ }
+
+ public bool IsEmpty {
+ get { return parameters.Length == 0; }
+ }
+
+ public string ParameterDesc (int pos)
{
- if (count == 0)
- return;
+ if (types == null || types [pos] == null)
+ return ((Parameter)FixedParameters [pos]).GetSignatureForError ();
- MethodBuilder mb = builder as MethodBuilder;
- ConstructorBuilder cb = builder as ConstructorBuilder;
+ string type = TypeManager.CSharpName (types [pos]);
+ if (FixedParameters [pos].HasExtensionMethodModifier)
+ return "this " + type;
- for (int i = 0; i < FixedParameters.Length; i++) {
- FixedParameters [i].ApplyAttributes (mb, cb, i + 1);
- }
+ Parameter.Modifier mod = FixedParameters [pos].ModFlags;
+ if (mod == 0)
+ return type;
+
+ return Parameter.GetModifierSignature (mod) + " " + type;
+ }
+
+ public Type[] Types {
+ get { return types; }
+ set { types = value; }
}
#if MS_COMPATIBLE
- public ParameterData InflateTypes (Type[] genArguments, Type[] argTypes)
+ public AParametersCollection InflateTypes (Type[] genArguments, Type[] argTypes)
{
- Parameters p = Clone ();
- for (int i = 0; i < count; ++i) {
+ AParametersCollection p = (AParametersCollection) MemberwiseClone (); // Clone ();
+
+ for (int i = 0; i < Count; ++i) {
if (types[i].IsGenericType) {
- Type[] gen_arguments_open = new Type [types[i].GetGenericTypeDefinition ().GetGenericArguments ().Length];
+ Type[] gen_arguments_open = new Type[types[i].GetGenericTypeDefinition ().GetGenericArguments ().Length];
Type[] gen_arguments = types[i].GetGenericArguments ();
for (int ii = 0; ii < gen_arguments_open.Length; ++ii) {
if (gen_arguments[ii].IsGenericParameter) {
gen_arguments_open[ii] = gen_arguments[ii];
}
- p.FixedParameters [i].ParameterType = p.types[i] =
- types[i].GetGenericTypeDefinition ().MakeGenericType (gen_arguments_open);
+ p.types[i] = types[i].GetGenericTypeDefinition ().MakeGenericType (gen_arguments_open);
continue;
}
if (types[i].IsGenericParameter) {
Type gen_argument = argTypes[types[i].GenericParameterPosition];
- p.FixedParameters[i].ParameterType = p.types[i] = gen_argument;
+ p.types[i] = gen_argument;
continue;
}
}
return p;
}
#endif
+ }
- public void VerifyClsCompliance ()
+ //
+ // A collection of imported or resolved parameters
+ //
+ public class ParametersImported : AParametersCollection
+ {
+ ParametersImported (AParametersCollection param, Type[] types)
{
- foreach (Parameter p in FixedParameters)
- p.IsClsCompliant ();
+ this.parameters = param.FixedParameters;
+ this.types = types;
+ has_arglist = param.HasArglist;
+ has_params = param.HasParams;
}
- public string GetSignatureForError ()
+ ParametersImported (IParameterData [] parameters, Type [] types, bool hasArglist, bool hasParams)
{
- StringBuilder sb = new StringBuilder ("(");
- if (count > 0) {
- for (int i = 0; i < FixedParameters.Length; ++i) {
- sb.Append (FixedParameters[i].GetSignatureForError ());
- if (i < FixedParameters.Length - 1)
- sb.Append (", ");
- }
- }
+ this.parameters = parameters;
+ this.types = types;
+ this.has_arglist = hasArglist;
+ this.has_params = hasParams;
+ }
- if (HasArglist) {
- if (sb.Length > 1)
- sb.Append (", ");
- sb.Append ("__arglist");
+ public ParametersImported (IParameterData [] param, Type[] types)
+ {
+ this.parameters = param;
+ this.types = types;
+ }
+
+ public static AParametersCollection Create (MethodBase method)
+ {
+ return Create (method.GetParameters (), method);
+ }
+
+ //
+ // Generic method parameters importer, param is shared between all instances
+ //
+ public static AParametersCollection Create (AParametersCollection param, MethodBase method)
+ {
+ if (param.IsEmpty)
+ return param;
+
+ ParameterInfo [] pi = method.GetParameters ();
+ Type [] types = new Type [pi.Length];
+ for (int i = 0; i < types.Length; i++) {
+ Type t = pi [i].ParameterType;
+ if (t.IsByRef)
+ t = TypeManager.GetElementType (t);
+
+ types [i] = TypeManager.TypeToCoreType (t);
}
- sb.Append (')');
- return sb.ToString ();
+ return new ParametersImported (param, types);
}
- public Type[] Types {
- get {
- return types;
+ //
+ // Imports SRE parameters
+ //
+ public static AParametersCollection Create (ParameterInfo [] pi, MethodBase method)
+ {
+ int varargs = method != null && (method.CallingConvention & CallingConventions.VarArgs) != 0 ? 1 : 0;
+
+ if (pi.Length == 0 && varargs == 0)
+ return ParametersCompiled.EmptyReadOnlyParameters;
+
+ Type [] types = new Type [pi.Length + varargs];
+ IParameterData [] par = new IParameterData [pi.Length + varargs];
+ bool is_params = false;
+ PredefinedAttribute extension_attr = PredefinedAttributes.Get.Extension;
+ PredefinedAttribute param_attr = PredefinedAttributes.Get.ParamArray;
+ for (int i = 0; i < pi.Length; i++) {
+ types [i] = TypeManager.TypeToCoreType (pi [i].ParameterType);
+
+ ParameterInfo p = pi [i];
+ Parameter.Modifier mod = 0;
+ Expression default_value = null;
+ if (types [i].IsByRef) {
+ if ((p.Attributes & (ParameterAttributes.Out | ParameterAttributes.In)) == ParameterAttributes.Out)
+ mod = Parameter.Modifier.OUT;
+ else
+ mod = Parameter.Modifier.REF;
+
+ //
+ // Strip reference wrapping
+ //
+ types [i] = TypeManager.GetElementType (types [i]);
+ } else if (i == 0 && extension_attr.IsDefined && method != null && method.IsStatic &&
+ (method.DeclaringType.Attributes & Class.StaticClassAttribute) == Class.StaticClassAttribute &&
+ method.IsDefined (extension_attr.Type, false)) {
+ mod = Parameter.Modifier.This;
+ } else {
+ if (i >= pi.Length - 2 && types[i].IsArray) {
+ if (p.IsDefined (param_attr.Type, false)) {
+ mod = Parameter.Modifier.PARAMS;
+ is_params = true;
+ }
+ }
+
+ if (!is_params && p.IsOptional) {
+ object value = p.DefaultValue;
+ if (value == Missing.Value) {
+ default_value = EmptyExpression.Null;
+ } else if (value == null) {
+ default_value = new NullLiteral (Location.Null);
+ } else {
+ default_value = Constant.CreateConstant (null, value.GetType (), value, Location.Null);
+ }
+ }
+ }
+
+ par [i] = new ParameterData (p.Name, mod, default_value);
}
- //
- // Dangerous, used by implicit lambda parameters
- // only to workaround bad design
- //
- set {
- types = value;
+
+ if (varargs != 0) {
+ par [par.Length - 1] = new ArglistParameter (Location.Null);
+ types [types.Length - 1] = InternalType.Arglist;
}
+
+ return method != null ?
+ new ParametersImported (par, types, varargs != 0, is_params) :
+ new ParametersImported (par, types);
}
+ }
+
+ /// <summary>
+ /// Represents the methods parameters
+ /// </summary>
+ public class ParametersCompiled : AParametersCollection
+ {
+ public static readonly ParametersCompiled EmptyReadOnlyParameters = new ParametersCompiled ();
+
+ // Used by C# 2.0 delegates
+ public static readonly ParametersCompiled Undefined = new ParametersCompiled ();
- public Parameter this [int pos]
+ private ParametersCompiled ()
{
- get {
- if (pos >= count && (HasArglist || HasParams)) {
- if (HasArglist && (pos == 0 || pos >= count))
- return ArgList;
- pos = count - 1;
- }
+ parameters = new Parameter [0];
+ types = Type.EmptyTypes;
+ }
+
+ private ParametersCompiled (Parameter [] parameters, Type [] types)
+ {
+ this.parameters = parameters;
+ this.types = types;
+ }
+
+ public ParametersCompiled (CompilerContext ctx, params Parameter[] parameters)
+ {
+ if (parameters == null)
+ throw new ArgumentException ("Use EmptyReadOnlyParameters");
+
+ this.parameters = parameters;
+ int count = parameters.Length;
- return FixedParameters [pos];
+ if (count == 0)
+ return;
+
+ if (count == 1) {
+ has_params = (parameters [0].ModFlags & Parameter.Modifier.PARAMS) != 0;
+ return;
+ }
+
+ for (int i = 0; i < count; i++){
+ string base_name = parameters [i].Name;
+ has_params |= (parameters [i].ModFlags & Parameter.Modifier.PARAMS) != 0;
+
+ for (int j = i + 1; j < count; j++){
+ if (base_name != parameters [j].Name)
+ continue;
+
+ ErrorDuplicateName (parameters[i], ctx.Report);
+ i = j;
+ }
}
}
- #region ParameterData Members
+ public ParametersCompiled (CompilerContext ctx, Parameter [] parameters, bool has_arglist) :
+ this (ctx, parameters)
+ {
+ this.has_arglist = has_arglist;
+ }
+
+ public static ParametersCompiled CreateFullyResolved (Parameter p, Type type)
+ {
+ return new ParametersCompiled (new Parameter [] { p }, new Type [] { type });
+ }
+
+ public static ParametersCompiled CreateFullyResolved (Parameter[] parameters, Type[] types)
+ {
+ return new ParametersCompiled (parameters, types);
+ }
- public Type ParameterType (int pos)
+ public static ParametersCompiled MergeGenerated (CompilerContext ctx, ParametersCompiled userParams, bool checkConflicts, Parameter compilerParams, Type compilerTypes)
{
- return this [pos].ExternalType ();
+ return MergeGenerated (ctx, userParams, checkConflicts,
+ new Parameter [] { compilerParams },
+ new Type [] { compilerTypes });
}
- public bool HasParams {
- get {
- if (count == 0)
- return false;
+ //
+ // Use this method when you merge compiler generated parameters with user parameters
+ //
+ public static ParametersCompiled MergeGenerated (CompilerContext ctx, ParametersCompiled userParams, bool checkConflicts, Parameter[] compilerParams, Type[] compilerTypes)
+ {
+ Parameter[] all_params = new Parameter [userParams.Count + compilerParams.Length];
+ userParams.FixedParameters.CopyTo(all_params, 0);
- for (int i = count; i != 0; --i) {
- if ((FixedParameters [i - 1].ModFlags & Parameter.Modifier.PARAMS) != 0)
- return true;
+ Type [] all_types;
+ if (userParams.types != null) {
+ all_types = new Type [all_params.Length];
+ userParams.Types.CopyTo (all_types, 0);
+ } else {
+ all_types = null;
+ }
+
+ int last_filled = userParams.Count;
+ int index = 0;
+ foreach (Parameter p in compilerParams) {
+ for (int i = 0; i < last_filled; ++i) {
+ while (p.Name == all_params [i].Name) {
+ if (checkConflicts && i < userParams.Count) {
+ ctx.Report.Error (316, userParams[i].Location,
+ "The parameter name `{0}' conflicts with a compiler generated name", p.Name);
+ }
+ p.Name = '_' + p.Name;
+ }
}
- return false;
+ all_params [last_filled] = p;
+ if (all_types != null)
+ all_types [last_filled] = compilerTypes [index++];
+ ++last_filled;
}
+
+ ParametersCompiled parameters = new ParametersCompiled (all_params, all_types);
+ parameters.has_params = userParams.has_params;
+ return parameters;
}
- public string ParameterName (int pos)
+ protected virtual void ErrorDuplicateName (Parameter p, Report Report)
{
- return this [pos].Name;
+ Report.Error (100, p.Location, "The parameter name `{0}' is a duplicate", p.Name);
}
- public string ParameterDesc (int pos)
+ public bool Resolve (IMemberContext ec)
+ {
+ if (types != null)
+ return true;
+
+ types = new Type [Count];
+
+ bool ok = true;
+ Parameter p;
+ for (int i = 0; i < FixedParameters.Length; ++i) {
+ p = this [i];
+ Type t = p.Resolve (ec);
+ if (t == null) {
+ ok = false;
+ continue;
+ }
+
+ types [i] = t;
+ }
+
+ return ok;
+ }
+
+ public void ResolveVariable ()
{
- return this [pos].GetSignatureForError ();
+ for (int i = 0; i < FixedParameters.Length; ++i) {
+ this [i].ResolveVariable (i);
+ }
}
- public Parameter.Modifier ParameterModifier (int pos)
+ // Define each type attribute (in/out/ref) and
+ // the argument names.
+ public void ApplyAttributes (MethodBase builder)
{
- return this [pos].ModFlags;
+ if (Count == 0)
+ return;
+
+ MethodBuilder mb = builder as MethodBuilder;
+ ConstructorBuilder cb = builder as ConstructorBuilder;
+
+ for (int i = 0; i < Count; i++) {
+ this [i].ApplyAttributes (mb, cb, i + 1);
+ }
+ }
+
+ public void VerifyClsCompliance (IMemberContext ctx)
+ {
+ foreach (Parameter p in FixedParameters)
+ p.IsClsCompliant (ctx);
+ }
+
+ public Parameter this [int pos] {
+ get { return (Parameter) parameters [pos]; }
}
- public Expression CreateExpressionTree (EmitContext ec, Location loc)
+ public Expression CreateExpressionTree (BlockContext ec, Location loc)
{
- ArrayList initializers = new ArrayList (count);
+ var initializers = new ArrayInitializer (Count, loc);
foreach (Parameter p in FixedParameters) {
//
// Each parameter expression is stored to local variable
"[]", initializers, loc);
}
- public Parameters Clone ()
+ public ParametersCompiled Clone ()
{
- Parameter [] parameters_copy = new Parameter [FixedParameters.Length];
- int i = 0;
- foreach (Parameter p in FixedParameters)
- parameters_copy [i++] = p.Clone ();
- Parameters ps = new Parameters (parameters_copy, HasArglist);
- if (types != null)
- ps.types = (Type[])types.Clone ();
- return ps;
+ ParametersCompiled p = (ParametersCompiled) MemberwiseClone ();
+
+ p.parameters = new IParameterData [parameters.Length];
+ for (int i = 0; i < Count; ++i)
+ p.parameters [i] = this [i].Clone ();
+
+ return p;
}
-
- #endregion
}
}