public override DynamicMetaObject FallbackInvoke (DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
var expr = CSharpBinder.CreateCompilerExpression (argumentInfo [0], target);
var c_args = CSharpBinder.CreateCompilerArguments (argumentInfo.Skip (1), args);
expr = new Compiler.Invocation (expr, c_args);
if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
expr = new Compiler.Cast (new Compiler.TypeExpression (TypeImporter.Import (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
else
expr = new Compiler.DynamicResultCast (TypeImporter.Import (ReturnType), expr);
var binder = new CSharpBinder (this, expr, errorSuggestion);
binder.AddRestrictions (target);
binder.AddRestrictions (args);
return binder.Bind (callingContext, target);
}
public override DynamicMetaObject FallbackInvokeMember (DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
var c_args = CSharpBinder.CreateCompilerArguments (argumentInfo.Skip (1), args);
var t_args = typeArguments == null ?
null :
new Compiler.TypeArguments (typeArguments.Select (l => new Compiler.TypeExpression (TypeImporter.Import (l), Compiler.Location.Null)).ToArray ());
var expr = CSharpBinder.CreateCompilerExpression (argumentInfo[0], target);
//
// Simple name invocation is actually member access invocation
// to capture original this argument. This brings problem when
// simple name is resolved as a static invocation and member access
// has to be reduced back to simple name without reporting an error
//
if ((flags & CSharpBinderFlags.InvokeSimpleName) != 0) {
var value = expr as Compiler.RuntimeValueExpression;
if (value != null)
value.IsSuggestionOnly = true;
}
expr = new Compiler.MemberAccess (expr, Name, t_args, Compiler.Location.Null);
expr = new Compiler.Invocation (expr, c_args);
if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
expr = new Compiler.Cast (new Compiler.TypeExpression (TypeImporter.Import (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
else
expr = new Compiler.DynamicResultCast (TypeImporter.Import (ReturnType), expr);
var binder = new CSharpBinder (this, expr, errorSuggestion);
binder.AddRestrictions (target);
binder.AddRestrictions (args);
if ((flags & CSharpBinderFlags.InvokeSpecialName) != 0)
binder.ResolveOptions |= Compiler.ResolveContext.Options.InvokeSpecialName;
return binder.Bind (callingContext, target);
}
public override DynamicMetaObject FallbackInvoke(DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
{
var ctx = DynamicContext.Create();
var expr = ctx.CreateCompilerExpression(argumentInfo [0], target);
var c_args = ctx.CreateCompilerArguments(argumentInfo.Skip(1), args);
expr = new Compiler.Invocation(expr, c_args);
if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
{
expr = new Compiler.Cast(new Compiler.TypeExpression(ctx.ImportType(ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
}
else
{
expr = new Compiler.DynamicResultCast(ctx.ImportType(ReturnType), expr);
}
var binder = new CSharpBinder(this, expr, errorSuggestion);
binder.AddRestrictions(target);
binder.AddRestrictions(args);
return(binder.Bind(ctx, callingContext));
}
void DoEmitStringSwitch (LocalTemporary value, EmitContext ec)
{
Label l_initialized = ec.DefineLabel ();
//
// Skip initialization when value is null
//
value.EmitBranchable (ec, null_target, false);
//
// Check if string dictionary is initialized and initialize
//
switch_cache_field.EmitBranchable (ec, l_initialized, true);
string_dictionary.EmitStatement (ec);
ec.MarkLabel (l_initialized);
LocalTemporary string_switch_variable = new LocalTemporary (TypeManager.int32_type);
ResolveContext rc = new ResolveContext (ec.MemberContext);
if (TypeManager.generic_ienumerable_type != null) {
Arguments get_value_args = new Arguments (2);
get_value_args.Add (new Argument (value));
get_value_args.Add (new Argument (string_switch_variable, Argument.AType.Out));
Expression get_item = new Invocation (new MemberAccess (switch_cache_field, "TryGetValue", loc), get_value_args).Resolve (rc);
if (get_item == null)
return;
//
// A value was not found, go to default case
//
get_item.EmitBranchable (ec, default_target, false);
} else {
Arguments get_value_args = new Arguments (1);
get_value_args.Add (new Argument (value));
Expression get_item = new ElementAccess (switch_cache_field, get_value_args, loc).Resolve (rc);
if (get_item == null)
return;
LocalTemporary get_item_object = new LocalTemporary (TypeManager.object_type);
get_item_object.EmitAssign (ec, get_item, true, false);
ec.Emit (OpCodes.Brfalse, default_target);
ExpressionStatement get_item_int = (ExpressionStatement) new SimpleAssign (string_switch_variable,
new Cast (new TypeExpression (TypeManager.int32_type, loc), get_item_object, loc)).Resolve (rc);
get_item_int.EmitStatement (ec);
get_item_object.Release (ec);
}
TableSwitchEmit (ec, string_switch_variable);
string_switch_variable.Release (ec);
}
public override bool Resolve (BlockContext ec)
{
bool is_dynamic = expr.Type == InternalType.Dynamic;
if (is_dynamic)
expr = Convert.ImplicitConversionRequired (ec, expr, TypeManager.ienumerable_type, loc);
var get_enumerator_mg = ResolveGetEnumerator (ec);
if (get_enumerator_mg == null) {
return false;
}
var get_enumerator = get_enumerator_mg.BestCandidate;
var enumerator = new TemporaryVariable (get_enumerator.ReturnType, loc);
enumerator.Resolve (ec);
// Prepare bool MoveNext ()
var move_next_mg = ResolveMoveNext (ec, get_enumerator);
if (move_next_mg == null) {
return false;
}
move_next_mg.InstanceExpression = enumerator;
// Prepare ~T~ Current { get; }
var current_prop = ResolveCurrent (ec, get_enumerator);
if (current_prop == null) {
return false;
}
var current_pe = new PropertyExpr (current_prop, loc) { InstanceExpression = enumerator }.Resolve (ec);
if (current_pe == null)
return false;
VarExpr ve = var_type as VarExpr;
if (ve != null) {
// Infer implicitly typed local variable from foreach enumerable type
var_type = new TypeExpression (current_pe.Type, var_type.Location);
}
var_type = var_type.ResolveAsTypeTerminal (ec, false);
if (var_type == null)
return false;
var init = new Invocation (get_enumerator_mg, null);
init.Resolve (ec);
statement = new While (new BooleanExpression (new Invocation (move_next_mg, null)),
new Body (var_type.Type, variable, current_pe, statement, loc), loc);
var enum_type = enumerator.Type;
//
// Add Dispose method call when enumerator can be IDisposable
//
if (!enumerator.Type.ImplementsInterface (TypeManager.idisposable_type)) {
if (!enum_type.IsSealed && !TypeManager.IsValueType (enum_type)) {
//
// Runtime Dispose check
//
var tv = new LocalTemporary (TypeManager.idisposable_type);
statement = new Dispose (enumerator, tv, init, statement, loc);
} else {
//
// No Dispose call needed
//
this.init = new SimpleAssign (enumerator, init);
this.init.Resolve (ec);
}
} else {
//
// Static Dispose check
//
statement = new Dispose (enumerator, null, init, statement, loc);
}
return statement.Resolve (ec);
}
/** the generated parser.
Maintains a state and a value stack, currently with fixed maximum size.
@param yyLex scanner.
@return result of the last reduction, if any.
@throws yyException on irrecoverable parse error.
*/
internal Object yyparse (yyParser.yyInput yyLex)
{
if (yyMax <= 0) yyMax = 256; // initial size
int yyState = 0; // state stack ptr
int [] yyStates; // state stack
Object yyVal = null; // value stack ptr
Object [] yyVals; // value stack
int yyToken = -1; // current input
int yyErrorFlag = 0; // #tks to shift
if (use_global_stacks && global_yyStates != null) {
yyVals = global_yyVals;
yyStates = global_yyStates;
} else {
yyVals = new object [yyMax];
yyStates = new int [yyMax];
if (use_global_stacks) {
global_yyVals = yyVals;
global_yyStates = yyStates;
}
}
/*yyLoop:*/ for (int yyTop = 0;; ++ yyTop) {
if (yyTop >= yyStates.Length) { // dynamically increase
global::System.Array.Resize (ref yyStates, yyStates.Length+yyMax);
global::System.Array.Resize (ref yyVals, yyVals.Length+yyMax);
}
yyStates[yyTop] = yyState;
yyVals[yyTop] = yyVal;
if (debug != null) debug.push(yyState, yyVal);
/*yyDiscarded:*/ for (;;) { // discarding a token does not change stack
int yyN;
if ((yyN = yyDefRed[yyState]) == 0) { // else [default] reduce (yyN)
if (yyToken < 0) {
yyToken = yyLex.advance() ? yyLex.token() : 0;
if (debug != null)
debug.lex(yyState, yyToken, yyname(yyToken), yyLex.value());
}
if ((yyN = yySindex[yyState]) != 0 && ((yyN += yyToken) >= 0)
&& (yyN < yyTable.Length) && (yyCheck[yyN] == yyToken)) {
if (debug != null)
debug.shift(yyState, yyTable[yyN], yyErrorFlag-1);
yyState = yyTable[yyN]; // shift to yyN
yyVal = yyLex.value();
yyToken = -1;
if (yyErrorFlag > 0) -- yyErrorFlag;
goto continue_yyLoop;
}
if ((yyN = yyRindex[yyState]) != 0 && (yyN += yyToken) >= 0
&& yyN < yyTable.Length && yyCheck[yyN] == yyToken)
yyN = yyTable[yyN]; // reduce (yyN)
else
switch (yyErrorFlag) {
case 0:
yyExpectingState = yyState;
// yyerror(String.Format ("syntax error, got token `{0}'", yyname (yyToken)), yyExpecting(yyState));
if (debug != null) debug.error("syntax error");
if (yyToken == 0 /*eof*/ || yyToken == eof_token) throw new yyParser.yyUnexpectedEof ();
goto case 1;
case 1: case 2:
yyErrorFlag = 3;
do {
if ((yyN = yySindex[yyStates[yyTop]]) != 0
&& (yyN += Token.yyErrorCode) >= 0 && yyN < yyTable.Length
&& yyCheck[yyN] == Token.yyErrorCode) {
if (debug != null)
debug.shift(yyStates[yyTop], yyTable[yyN], 3);
yyState = yyTable[yyN];
yyVal = yyLex.value();
goto continue_yyLoop;
}
if (debug != null) debug.pop(yyStates[yyTop]);
} while (-- yyTop >= 0);
if (debug != null) debug.reject();
throw new yyParser.yyException("irrecoverable syntax error");
case 3:
if (yyToken == 0) {
if (debug != null) debug.reject();
throw new yyParser.yyException("irrecoverable syntax error at end-of-file");
}
if (debug != null)
debug.discard(yyState, yyToken, yyname(yyToken),
yyLex.value());
yyToken = -1;
goto continue_yyDiscarded; // leave stack alone
}
}
int yyV = yyTop + 1-yyLen[yyN];
if (debug != null)
debug.reduce(yyState, yyStates[yyV-1], yyN, YYRules.getRule (yyN), yyLen[yyN]);
yyVal = yyDefault(yyV > yyTop ? null : yyVals[yyV]);
switch (yyN) {
case 5:
#line 379 "cs-parser.jay"
{ Lexer.CompleteOnEOF = false; }
break;
case 7:
#line 384 "cs-parser.jay"
{
Lexer.check_incorrect_doc_comment ();
}
break;
case 8:
#line 388 "cs-parser.jay"
{
Lexer.check_incorrect_doc_comment ();
}
break;
case 16:
#line 411 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
string s = lt.Value;
if (s != "alias"){
syntax_error (lt.Location, "`alias' expected");
} else if (RootContext.Version == LanguageVersion.ISO_1) {
Report.FeatureIsNotAvailable (lt.Location, "external alias");
} else {
lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
current_namespace.AddUsingExternalAlias (lt.Value, lt.Location, Report);
}
}
break;
case 17:
#line 424 "cs-parser.jay"
{
syntax_error (GetLocation (yyVals[-1+yyTop]), "`alias' expected"); /* TODO: better*/
}
break;
case 20:
#line 436 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 21:
#line 441 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 22:
#line 449 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
current_namespace.AddUsingAlias (lt.Value, (MemberName) yyVals[-1+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 23:
#line 453 "cs-parser.jay"
{
CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
yyVal = null;
}
break;
case 24:
#line 461 "cs-parser.jay"
{
current_namespace.AddUsing ((MemberName) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 25:
#line 473 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[0+yyTop];
if (yyVals[-2+yyTop] != null) {
Report.Error(1671, name.Location, "A namespace declaration cannot have modifiers or attributes");
}
current_namespace = new NamespaceEntry (
current_namespace, file, name.GetName ());
current_class = current_namespace.SlaveDeclSpace;
current_container = current_class.PartialContainer;
}
break;
case 26:
#line 486 "cs-parser.jay"
{
current_namespace = current_namespace.Parent;
current_class = current_namespace.SlaveDeclSpace;
current_container = current_class.PartialContainer;
}
break;
case 27:
#line 495 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new MemberName (lt.Value, lt.Location);
}
break;
case 28:
#line 500 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new MemberName ((MemberName) yyVals[-2+yyTop], lt.Value, lt.Location);
}
break;
case 29:
#line 505 "cs-parser.jay"
{
syntax_error (lexer.Location, "`.' expected");
yyVal = new MemberName ("<invalid>", lexer.Location);
}
break;
case 34:
#line 523 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[0+yyTop];
if (name.TypeArguments != null)
syntax_error (lexer.Location, "namespace name expected");
yyVal = name;
}
break;
case 35:
#line 535 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 38:
#line 548 "cs-parser.jay"
{
Report.Error (1518, lexer.Location, "Expected `class', `delegate', `enum', `interface', or `struct'");
}
break;
case 40:
#line 556 "cs-parser.jay"
{
Report.Error (1513, lexer.Location, "Expected `}'");
}
break;
case 49:
#line 583 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null) {
DeclSpace ds = (DeclSpace)yyVals[0+yyTop];
if ((ds.ModFlags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
Report.Error (1527, ds.Location,
"Namespace elements cannot be explicitly declared as private, protected or protected internal");
}
}
current_namespace.DeclarationFound = true;
}
break;
case 50:
#line 594 "cs-parser.jay"
{
current_namespace.DeclarationFound = true;
}
break;
case 51:
#line 598 "cs-parser.jay"
{
Report.Error (116, ((MemberCore) yyVals[0+yyTop]).Location, "A namespace can only contain types and namespace declarations");
}
break;
case 52:
#line 601 "cs-parser.jay"
{
Report.Error (116, ((MemberCore) yyVals[0+yyTop]).Location, "A namespace can only contain types and namespace declarations");
}
break;
case 58:
#line 627 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null) {
Attributes attrs = (Attributes)yyVals[0+yyTop];
if (global_attrs_enabled) {
CodeGen.Assembly.AddAttributes (attrs.Attrs, current_namespace);
} else {
foreach (Attribute a in attrs.Attrs) {
Report.Error (1730, a.Location, "Assembly and module attributes must precede all other elements except using clauses and extern alias declarations");
}
}
}
yyVal = yyVals[0+yyTop];
}
break;
case 59:
#line 644 "cs-parser.jay"
{
global_attrs_enabled = false;
yyVal = null;
}
break;
case 60:
#line 649 "cs-parser.jay"
{
global_attrs_enabled = false;
yyVal = yyVals[0+yyTop];
}
break;
case 61:
#line 658 "cs-parser.jay"
{
if (current_attr_target != String.Empty) {
var sect = (List<Attribute>) yyVals[0+yyTop];
if (global_attrs_enabled) {
if (current_attr_target == "module") {
current_container.Module.Compiled.AddAttributes (sect);
yyVal = null;
} else if (current_attr_target != null && current_attr_target.Length > 0) {
CodeGen.Assembly.AddAttributes (sect, current_namespace);
yyVal = null;
} else {
yyVal = new Attributes (sect);
}
if (yyVal == null) {
if (RootContext.Documentation != null) {
Lexer.check_incorrect_doc_comment ();
Lexer.doc_state =
XmlCommentState.Allowed;
}
}
} else {
yyVal = new Attributes (sect);
}
}
else
yyVal = null;
current_attr_target = null;
}
break;
case 62:
#line 688 "cs-parser.jay"
{
if (current_attr_target != String.Empty) {
Attributes attrs = yyVals[-1+yyTop] as Attributes;
var sect = (List<Attribute>) yyVals[0+yyTop];
if (global_attrs_enabled) {
if (current_attr_target == "module") {
current_container.Module.Compiled.AddAttributes (sect);
yyVal = null;
} else if (current_attr_target == "assembly") {
CodeGen.Assembly.AddAttributes (sect, current_namespace);
yyVal = null;
} else {
if (attrs == null)
attrs = new Attributes (sect);
else
attrs.AddAttributes (sect);
}
} else {
if (attrs == null)
attrs = new Attributes (sect);
else
attrs.AddAttributes (sect);
}
yyVal = attrs;
}
else
yyVal = null;
current_attr_target = null;
}
break;
case 63:
#line 722 "cs-parser.jay"
{
yyVal = yyVals[-2+yyTop];
}
break;
case 64:
#line 726 "cs-parser.jay"
{
yyVal = yyVals[-2+yyTop];
}
break;
case 65:
#line 733 "cs-parser.jay"
{
current_attr_target = (string)yyVals[-1+yyTop];
yyVal = yyVals[-1+yyTop];
}
break;
case 66:
#line 741 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = CheckAttributeTarget (lt.Value, lt.Location);
}
break;
case 67:
#line 745 "cs-parser.jay"
{ yyVal = "event"; }
break;
case 68:
#line 746 "cs-parser.jay"
{ yyVal = "return"; }
break;
case 69:
#line 748 "cs-parser.jay"
{
string name = GetTokenName (yyToken);
yyVal = CheckAttributeTarget (name, GetLocation (yyVals[0+yyTop]));
}
break;
case 70:
#line 756 "cs-parser.jay"
{
yyVal = new List<Attribute> (4) { (Attribute) yyVals[0+yyTop] };
}
break;
case 71:
#line 760 "cs-parser.jay"
{
var attrs = (List<Attribute>) yyVals[-2+yyTop];
attrs.Add ((Attribute) yyVals[0+yyTop]);
yyVal = attrs;
}
break;
case 72:
#line 770 "cs-parser.jay"
{
++lexer.parsing_block;
}
break;
case 73:
#line 774 "cs-parser.jay"
{
--lexer.parsing_block;
MemberName mname = (MemberName) yyVals[-2+yyTop];
if (mname.IsGeneric) {
Report.Error (404, lexer.Location,
"'<' unexpected: attributes cannot be generic");
}
Arguments [] arguments = (Arguments []) yyVals[0+yyTop];
ATypeNameExpression expr = mname.GetTypeExpression ();
if (current_attr_target == String.Empty)
yyVal = null;
else if (global_attrs_enabled && (current_attr_target == "assembly" || current_attr_target == "module"))
/* FIXME: supply "nameEscaped" parameter here.*/
yyVal = new GlobalAttribute (current_namespace, current_attr_target,
expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
else
yyVal = new Attribute (current_attr_target, expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
}
break;
case 74:
#line 797 "cs-parser.jay"
{ /* reserved attribute name or identifier: 17.4 */ }
break;
case 75:
#line 801 "cs-parser.jay"
{ yyVal = null; }
break;
case 76:
#line 803 "cs-parser.jay"
{
yyVal = yyVals[-1+yyTop];
}
break;
case 77:
#line 810 "cs-parser.jay"
{ yyVal = null; }
break;
case 78:
#line 812 "cs-parser.jay"
{
Arguments a = new Arguments (4);
a.Add ((Argument) yyVals[0+yyTop]);
yyVal = new Arguments [] { a, null };
}
break;
case 79:
#line 818 "cs-parser.jay"
{
Arguments a = new Arguments (4);
a.Add ((Argument) yyVals[0+yyTop]);
yyVal = new Arguments [] { null, a };
}
break;
case 80:
#line 824 "cs-parser.jay"
{
Arguments[] o = (Arguments[]) yyVals[-2+yyTop];
if (o [1] != null) {
Report.Error (1016, ((Argument) yyVals[0+yyTop]).Expr.Location, "Named attribute arguments must appear after the positional arguments");
o [0] = new Arguments (4);
}
Arguments args = ((Arguments) o [0]);
if (args.Count > 0 && !(yyVals[0+yyTop] is NamedArgument) && args [args.Count - 1] is NamedArgument)
Error_NamedArgumentExpected ((NamedArgument) args [args.Count - 1]);
args.Add ((Argument) yyVals[0+yyTop]);
}
break;
case 81:
#line 838 "cs-parser.jay"
{
Arguments[] o = (Arguments[]) yyVals[-2+yyTop];
if (o [1] == null) {
o [1] = new Arguments (4);
}
((Arguments) o [1]).Add ((Argument) yyVals[0+yyTop]);
}
break;
case 82:
#line 850 "cs-parser.jay"
{
yyVal = new Argument ((Expression) yyVals[0+yyTop]);
}
break;
case 84:
#line 858 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new NamedArgument (lt.Value, lt.Location, (Expression) yyVals[0+yyTop]);
}
break;
case 85:
#line 866 "cs-parser.jay"
{
if (RootContext.Version <= LanguageVersion.V_3)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "named argument");
/* Avoid boxing in common case (no modifier)*/
var arg_mod = yyVals[-1+yyTop] == null ? Argument.AType.None : (Argument.AType) yyVals[-1+yyTop];
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
yyVal = new NamedArgument (lt.Value, lt.Location, (Expression) yyVals[0+yyTop], arg_mod);
}
break;
case 86:
#line 879 "cs-parser.jay"
{ yyVal = null; }
break;
case 87:
#line 881 "cs-parser.jay"
{
yyVal = Argument.AType.Ref;
}
break;
case 88:
#line 885 "cs-parser.jay"
{
yyVal = Argument.AType.Out;
}
break;
case 104:
#line 917 "cs-parser.jay"
{
Report.Error (1519, lexer.Location, "Unexpected symbol `{0}' in class, struct, or interface member declaration",
GetSymbolName (yyToken));
yyVal = null;
lexer.parsing_generic_declaration = false;
}
break;
case 105:
#line 930 "cs-parser.jay"
{
lexer.ConstraintsParsing = true;
}
break;
case 106:
#line 934 "cs-parser.jay"
{
MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
push_current_class (new Struct (current_namespace, current_class, name, (Modifiers) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
}
break;
case 107:
#line 940 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
current_class.SetParameterInfo ((List<Constraints>) yyVals[0+yyTop]);
if (RootContext.Documentation != null)
current_container.DocComment = Lexer.consume_doc_comment ();
}
break;
case 108:
#line 949 "cs-parser.jay"
{
--lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 109:
#line 955 "cs-parser.jay"
{
yyVal = pop_current_class ();
}
break;
case 110:
#line 958 "cs-parser.jay"
{
CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
}
break;
case 111:
#line 965 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 127:
#line 1007 "cs-parser.jay"
{
var modflags = (Modifiers) yyVals[-4+yyTop];
foreach (VariableDeclaration constant in (List<object>) yyVals[-1+yyTop]){
Location l = constant.Location;
if ((modflags & Modifiers.STATIC) != 0) {
Report.Error (504, l, "The constant `{0}' cannot be marked static", current_container.GetSignatureForError () + "." + (string) constant.identifier);
continue;
}
Const c = new Const (
current_class, (FullNamedExpression) yyVals[-2+yyTop], (string) constant.identifier,
constant.GetInitializer ((FullNamedExpression) yyVals[-2+yyTop]), modflags,
(Attributes) yyVals[-5+yyTop], l);
if (RootContext.Documentation != null) {
c.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddConstant (c);
}
}
break;
case 128:
#line 1032 "cs-parser.jay"
{
variables_bucket.Clear ();
if (yyVals[0+yyTop] != null)
variables_bucket.Add (yyVals[0+yyTop]);
yyVal = variables_bucket;
}
break;
case 129:
#line 1039 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null) {
var constants = (List<object>) yyVals[-2+yyTop];
constants.Add (yyVals[0+yyTop]);
}
}
break;
case 130:
#line 1049 "cs-parser.jay"
{
++lexer.parsing_block;
}
break;
case 131:
#line 1053 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = new VariableDeclaration ((Tokenizer.LocatedToken) yyVals[-3+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 132:
#line 1058 "cs-parser.jay"
{
/* A const field requires a value to be provided*/
Report.Error (145, GetLocation (yyVals[0+yyTop]), "A const field requires a value to be provided");
yyVal = null;
}
break;
case 135:
#line 1076 "cs-parser.jay"
{
FullNamedExpression type = (FullNamedExpression) yyVals[-2+yyTop];
if (type == TypeManager.system_void_expr)
Report.Error (670, GetLocation (yyVals[-2+yyTop]), "Fields cannot have void type");
var mod = (Modifiers) yyVals[-3+yyTop];
foreach (VariableMemberDeclaration var in (List<object>) yyVals[-1+yyTop]){
Field field = new Field (current_class, type, mod, var.MemberName, (Attributes) yyVals[-4+yyTop]);
field.Initializer = var.GetInitializer (type);
if (RootContext.Documentation != null) {
field.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddField (field);
yyVal = field; /* FIXME: might be better if it points to the top item*/
}
}
break;
case 136:
#line 1102 "cs-parser.jay"
{
FullNamedExpression type = (FullNamedExpression) yyVals[-2+yyTop];
var mod = (Modifiers) yyVals[-4+yyTop];
foreach (VariableDeclaration var in (List<VariableDeclaration>) yyVals[-1+yyTop]) {
FixedField field = new FixedField (current_class, type, mod, var.identifier,
var.GetInitializer (type), (Attributes) yyVals[-5+yyTop], var.Location);
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "fixed size buffers");
if (RootContext.Documentation != null) {
field.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddField (field);
yyVal = field; /* FIXME: might be better if it points to the top item*/
}
}
break;
case 137:
#line 1127 "cs-parser.jay"
{
Report.Error (1641, GetLocation (yyVals[-1+yyTop]), "A fixed size buffer field must have the array size specifier after the field name");
}
break;
case 138:
#line 1134 "cs-parser.jay"
{
var decl = new List<VariableDeclaration> (2);
decl.Add ((VariableDeclaration)yyVals[0+yyTop]);
yyVal = decl;
}
break;
case 139:
#line 1140 "cs-parser.jay"
{
var decls = (List<VariableDeclaration>) yyVals[-2+yyTop];
decls.Add ((VariableDeclaration)yyVals[0+yyTop]);
yyVal = yyVals[-2+yyTop];
}
break;
case 140:
#line 1149 "cs-parser.jay"
{
yyVal = new VariableDeclaration ((Tokenizer.LocatedToken) yyVals[-3+yyTop], (Expression) yyVals[-1+yyTop]);
}
break;
case 141:
#line 1153 "cs-parser.jay"
{
Report.Error (443, lexer.Location, "Value or constant expected");
yyVal = new VariableDeclaration ((Tokenizer.LocatedToken) yyVals[-2+yyTop], null);
}
break;
case 142:
#line 1162 "cs-parser.jay"
{
variables_bucket.Clear ();
if (yyVals[0+yyTop] != null)
variables_bucket.Add (yyVals[0+yyTop]);
yyVal = variables_bucket;
}
break;
case 143:
#line 1169 "cs-parser.jay"
{
var decls = (List<object>) yyVals[-2+yyTop];
decls.Add (yyVals[0+yyTop]);
yyVal = yyVals[-2+yyTop];
}
break;
case 144:
#line 1178 "cs-parser.jay"
{
yyVal = new VariableDeclaration ((Tokenizer.LocatedToken) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 145:
#line 1182 "cs-parser.jay"
{
yyVal = new VariableDeclaration ((Tokenizer.LocatedToken) yyVals[0+yyTop], null);
}
break;
case 146:
#line 1186 "cs-parser.jay"
{
yyVal = null;
}
break;
case 149:
#line 1195 "cs-parser.jay"
{
yyVal = new StackAlloc ((Expression) yyVals[-3+yyTop], (Expression) yyVals[-1+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 150:
#line 1199 "cs-parser.jay"
{
yyVal = new ArglistAccess (GetLocation (yyVals[0+yyTop]));
}
break;
case 151:
#line 1203 "cs-parser.jay"
{
Report.Error (1575, GetLocation (yyVals[-1+yyTop]), "A stackalloc expression requires [] after type");
yyVal = new StackAlloc ((Expression) yyVals[0+yyTop], null, GetLocation (yyVals[-1+yyTop]));
}
break;
case 152:
#line 1211 "cs-parser.jay"
{
variables_bucket.Clear ();
if (yyVals[0+yyTop] != null)
variables_bucket.Add (yyVals[0+yyTop]);
yyVal = variables_bucket;
}
break;
case 153:
#line 1218 "cs-parser.jay"
{
var decls = (List<object>) yyVals[-2+yyTop];
decls.Add (yyVals[0+yyTop]);
yyVal = yyVals[-2+yyTop];
}
break;
case 154:
#line 1227 "cs-parser.jay"
{
++lexer.parsing_block;
lexer.parsing_generic_declaration = false;
}
break;
case 155:
#line 1232 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = new VariableMemberDeclaration ((MemberName) yyVals[-3+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 156:
#line 1237 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
yyVal = new VariableMemberDeclaration ((MemberName) yyVals[0+yyTop], null);
}
break;
case 157:
#line 1242 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
yyVal = null;
}
break;
case 158:
#line 1250 "cs-parser.jay"
{
Report.Error (650, GetLocation (yyVals[-2+yyTop]), "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
"To declare a fixed size buffer field, use the fixed keyword before the field type");
}
break;
case 161:
#line 1262 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.NotAllowed;
}
break;
case 162:
#line 1267 "cs-parser.jay"
{
Method method = (Method) yyVals[-2+yyTop];
method.Block = (ToplevelBlock) yyVals[0+yyTop];
current_container.AddMethod (method);
if (current_container.Kind == MemberKind.Interface && method.Block != null) {
Report.Error (531, method.Location, "`{0}': interface members cannot have a definition", method.GetSignatureForError ());
}
current_generic_method = null;
current_local_parameters = null;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 163:
#line 1289 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.All;
}
break;
case 164:
#line 1293 "cs-parser.jay"
{
lexer.ConstraintsParsing = true;
}
break;
case 165:
#line 1297 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
valid_param_mod = 0;
MemberName name = (MemberName) yyVals[-6+yyTop];
current_local_parameters = (ParametersCompiled) yyVals[-3+yyTop];
GenericMethod generic = null;
if (name.TypeArguments != null) {
generic = new GenericMethod (current_namespace, current_class, name,
(FullNamedExpression) yyVals[-7+yyTop], current_local_parameters);
generic.SetParameterInfo ((List<Constraints>) yyVals[0+yyTop]);
} else if (yyVals[0+yyTop] != null) {
Report.Error (80, GetLocation (yyVals[0+yyTop]),
"Constraints are not allowed on non-generic declarations");
}
Method method = new Method (current_class, generic, (FullNamedExpression) yyVals[-7+yyTop], (Modifiers) yyVals[-8+yyTop],
name, current_local_parameters, (Attributes) yyVals[-9+yyTop]);
if (yyVals[0+yyTop] != null && ((method.ModFlags & Modifiers.OVERRIDE) != 0 || method.IsExplicitImpl)) {
Report.Error (460, method.Location,
"`{0}': Cannot specify constraints for overrides and explicit interface implementation methods",
method.GetSignatureForError ());
}
current_generic_method = generic;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
yyVal = method;
}
break;
case 166:
#line 1335 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.All;
}
break;
case 167:
#line 1339 "cs-parser.jay"
{
lexer.ConstraintsParsing = true;
}
break;
case 168:
#line 1343 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
valid_param_mod = 0;
MemberName name = (MemberName) yyVals[-6+yyTop];
current_local_parameters = (ParametersCompiled) yyVals[-3+yyTop];
if (yyVals[-1+yyTop] != null && name.TypeArguments == null)
Report.Error (80, lexer.Location,
"Constraints are not allowed on non-generic declarations");
Method method;
GenericMethod generic = null;
if (name.TypeArguments != null) {
generic = new GenericMethod (current_namespace, current_class, name,
TypeManager.system_void_expr, current_local_parameters);
generic.SetParameterInfo ((List<Constraints>) yyVals[0+yyTop]);
}
var modifiers = (Modifiers) yyVals[-9+yyTop];
const Modifiers invalid_partial_mod = Modifiers.AccessibilityMask | Modifiers.ABSTRACT | Modifiers.EXTERN |
Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.SEALED | Modifiers.VIRTUAL;
if ((modifiers & invalid_partial_mod) != 0) {
Report.Error (750, name.Location, "A partial method cannot define access modifier or " +
"any of abstract, extern, new, override, sealed, or virtual modifiers");
modifiers &= ~invalid_partial_mod;
}
if ((current_class.ModFlags & Modifiers.PARTIAL) == 0) {
Report.Error (751, name.Location, "A partial method must be declared within a " +
"partial class or partial struct");
}
modifiers |= Modifiers.PARTIAL | Modifiers.PRIVATE;
method = new Method (current_class, generic, TypeManager.system_void_expr,
modifiers, name, current_local_parameters, (Attributes) yyVals[-10+yyTop]);
current_generic_method = generic;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
yyVal = method;
}
break;
case 169:
#line 1396 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[-3+yyTop];
Report.Error (1585, name.Location,
"Member modifier `{0}' must precede the member type and name", ModifiersExtensions.Name ((Modifiers) yyVals[-4+yyTop]));
Method method = new Method (current_class, null, TypeManager.system_void_expr,
0, name, (ParametersCompiled) yyVals[-1+yyTop], (Attributes) yyVals[-7+yyTop]);
current_local_parameters = (ParametersCompiled) yyVals[-1+yyTop];
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
yyVal = method;
}
break;
case 171:
#line 1415 "cs-parser.jay"
{ yyVal = null; }
break;
case 172:
#line 1419 "cs-parser.jay"
{ yyVal = ParametersCompiled.EmptyReadOnlyParameters; }
break;
case 174:
#line 1425 "cs-parser.jay"
{
var pars_list = (List<Parameter>) yyVals[0+yyTop];
yyVal = new ParametersCompiled (compiler, pars_list.ToArray ());
}
break;
case 175:
#line 1430 "cs-parser.jay"
{
var pars_list = (List<Parameter>) yyVals[-2+yyTop];
pars_list.Add ((Parameter) yyVals[0+yyTop]);
yyVal = new ParametersCompiled (compiler, pars_list.ToArray ());
}
break;
case 176:
#line 1437 "cs-parser.jay"
{
var pars_list = (List<Parameter>) yyVals[-2+yyTop];
pars_list.Add (new ArglistParameter (GetLocation (yyVals[0+yyTop])));
yyVal = new ParametersCompiled (compiler, pars_list.ToArray (), true);
}
break;
case 177:
#line 1443 "cs-parser.jay"
{
if (yyVals[-2+yyTop] != null)
Report.Error (231, ((Parameter) yyVals[-2+yyTop]).Location, "A params parameter must be the last parameter in a formal parameter list");
yyVal = new ParametersCompiled (compiler, new Parameter[] { (Parameter) yyVals[-2+yyTop] } );
}
break;
case 178:
#line 1450 "cs-parser.jay"
{
if (yyVals[-2+yyTop] != null)
Report.Error (231, ((Parameter) yyVals[-2+yyTop]).Location, "A params parameter must be the last parameter in a formal parameter list");
var pars_list = (List<Parameter>) yyVals[-4+yyTop];
pars_list.Add (new ArglistParameter (GetLocation (yyVals[-2+yyTop])));
yyVal = new ParametersCompiled (compiler, pars_list.ToArray (), true);
}
break;
case 179:
#line 1460 "cs-parser.jay"
{
Report.Error (257, GetLocation (yyVals[-2+yyTop]), "An __arglist parameter must be the last parameter in a formal parameter list");
yyVal = new ParametersCompiled (compiler, new Parameter [] { new ArglistParameter (GetLocation (yyVals[-2+yyTop])) }, true);
}
break;
case 180:
#line 1466 "cs-parser.jay"
{
Report.Error (257, GetLocation (yyVals[-2+yyTop]), "An __arglist parameter must be the last parameter in a formal parameter list");
var pars_list = (List<Parameter>) yyVals[-4+yyTop];
pars_list.Add (new ArglistParameter (GetLocation (yyVals[-2+yyTop])));
yyVal = new ParametersCompiled (compiler, pars_list.ToArray (), true);
}
break;
case 181:
#line 1475 "cs-parser.jay"
{
yyVal = new ParametersCompiled (compiler, new Parameter[] { (Parameter) yyVals[0+yyTop] } );
}
break;
case 182:
#line 1479 "cs-parser.jay"
{
yyVal = new ParametersCompiled (compiler, new Parameter [] { new ArglistParameter (GetLocation (yyVals[0+yyTop])) }, true);
}
break;
case 183:
#line 1486 "cs-parser.jay"
{
parameters_bucket.Clear ();
Parameter p = (Parameter) yyVals[0+yyTop];
parameters_bucket.Add (p);
default_parameter_used = p.HasDefaultValue;
yyVal = parameters_bucket;
}
break;
case 184:
#line 1495 "cs-parser.jay"
{
var pars = (List<Parameter>) yyVals[-2+yyTop];
Parameter p = (Parameter) yyVals[0+yyTop];
if (p != null) {
if (p.HasExtensionMethodModifier)
Report.Error (1100, p.Location, "The parameter modifier `this' can only be used on the first parameter");
else if (!p.HasDefaultValue && default_parameter_used)
Report.Error (1737, p.Location, "Optional parameter cannot precede required parameters");
default_parameter_used |= p.HasDefaultValue;
pars.Add (p);
}
yyVal = yyVals[-2+yyTop];
}
break;
case 185:
#line 1516 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Parameter.Modifier) yyVals[-2+yyTop], (Attributes) yyVals[-3+yyTop], lt.Location);
}
break;
case 186:
#line 1524 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
Report.Error (1552, lt.Location, "Array type specifier, [], must appear before parameter name");
yyVal = new Parameter ((FullNamedExpression) yyVals[-3+yyTop], lt.Value, (Parameter.Modifier) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop], lt.Location);
}
break;
case 187:
#line 1533 "cs-parser.jay"
{
Location l = GetLocation (yyVals[0+yyTop]);
CheckIdentifierToken (yyToken, l);
yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], "NeedSomeGeneratorHere", (Parameter.Modifier) yyVals[-2+yyTop], (Attributes) yyVals[-3+yyTop], l);
}
break;
case 188:
#line 1544 "cs-parser.jay"
{
if (RootContext.Version <= LanguageVersion.V_3) {
Report.FeatureIsNotAvailable (GetLocation (yyVals[-1+yyTop]), "optional parameter");
}
Parameter.Modifier mod = (Parameter.Modifier) yyVals[-4+yyTop];
if (mod != Parameter.Modifier.NONE) {
switch (mod) {
case Parameter.Modifier.REF:
case Parameter.Modifier.OUT:
Report.Error (1741, GetLocation (yyVals[-4+yyTop]), "Cannot specify a default value for the `{0}' parameter",
Parameter.GetModifierSignature (mod));
break;
case Parameter.Modifier.This:
Report.Error (1743, GetLocation (yyVals[-4+yyTop]), "Cannot specify a default value for the `{0}' parameter",
Parameter.GetModifierSignature (mod));
break;
default:
throw new NotImplementedException (mod.ToString ());
}
mod = Parameter.Modifier.NONE;
}
if ((valid_param_mod & ParameterModifierType.DefaultValue) == 0)
Report.Error (1065, GetLocation (yyVals[0+yyTop]), "Optional parameter is not valid in this context");
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new Parameter ((FullNamedExpression) yyVals[-3+yyTop], lt.Value, mod, (Attributes) yyVals[-5+yyTop], lt.Location);
if (yyVals[0+yyTop] != null)
((Parameter) yyVal).DefaultValue = (Expression) yyVals[0+yyTop];
}
break;
case 189:
#line 1580 "cs-parser.jay"
{ yyVal = Parameter.Modifier.NONE; }
break;
case 191:
#line 1586 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 192:
#line 1590 "cs-parser.jay"
{
Parameter.Modifier p2 = (Parameter.Modifier)yyVals[0+yyTop];
Parameter.Modifier mod = (Parameter.Modifier)yyVals[-1+yyTop] | p2;
if (((Parameter.Modifier)yyVals[-1+yyTop] & p2) == p2) {
Error_DuplicateParameterModifier (lexer.Location, p2);
} else {
switch (mod & ~Parameter.Modifier.This) {
case Parameter.Modifier.REF:
Report.Error (1101, lexer.Location, "The parameter modifiers `this' and `ref' cannot be used altogether");
break;
case Parameter.Modifier.OUT:
Report.Error (1102, lexer.Location, "The parameter modifiers `this' and `out' cannot be used altogether");
break;
default:
Report.Error (1108, lexer.Location, "A parameter cannot have specified more than one modifier");
break;
}
}
yyVal = mod;
}
break;
case 193:
#line 1614 "cs-parser.jay"
{
if ((valid_param_mod & ParameterModifierType.Ref) == 0)
Error_ParameterModifierNotValid ("ref", GetLocation (yyVals[0+yyTop]));
yyVal = Parameter.Modifier.REF;
}
break;
case 194:
#line 1621 "cs-parser.jay"
{
if ((valid_param_mod & ParameterModifierType.Out) == 0)
Error_ParameterModifierNotValid ("out", GetLocation (yyVals[0+yyTop]));
yyVal = Parameter.Modifier.OUT;
}
break;
case 195:
#line 1628 "cs-parser.jay"
{
if ((valid_param_mod & ParameterModifierType.This) == 0)
Error_ParameterModifierNotValid ("this", GetLocation (yyVals[0+yyTop]));
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[0+yyTop]), "extension methods");
yyVal = Parameter.Modifier.This;
}
break;
case 196:
#line 1641 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new ParamsParameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Attributes) yyVals[-3+yyTop], lt.Location);
}
break;
case 197:
#line 1646 "cs-parser.jay"
{
Report.Error (1751, GetLocation (yyVals[-4+yyTop]), "Cannot specify a default value for a parameter array");
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new ParamsParameter ((FullNamedExpression) yyVals[-3+yyTop], lt.Value, (Attributes) yyVals[-5+yyTop], lt.Location);
}
break;
case 198:
#line 1652 "cs-parser.jay"
{
CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
yyVal = null;
}
break;
case 199:
#line 1660 "cs-parser.jay"
{
if ((valid_param_mod & ParameterModifierType.Params) == 0)
Report.Error (1670, (GetLocation (yyVals[0+yyTop])), "The `params' modifier is not allowed in current context");
}
break;
case 200:
#line 1665 "cs-parser.jay"
{
Parameter.Modifier mod = (Parameter.Modifier)yyVals[0+yyTop];
if ((mod & Parameter.Modifier.This) != 0) {
Report.Error (1104, GetLocation (yyVals[-1+yyTop]), "The parameter modifiers `this' and `params' cannot be used altogether");
} else {
Report.Error (1611, GetLocation (yyVals[-1+yyTop]), "The params parameter cannot be declared as ref or out");
}
}
break;
case 201:
#line 1674 "cs-parser.jay"
{
Error_DuplicateParameterModifier (GetLocation (yyVals[-1+yyTop]), Parameter.Modifier.PARAMS);
}
break;
case 202:
#line 1681 "cs-parser.jay"
{
if ((valid_param_mod & ParameterModifierType.Arglist) == 0)
Report.Error (1669, GetLocation (yyVals[0+yyTop]), "__arglist is not valid in this context");
}
break;
case 203:
#line 1692 "cs-parser.jay"
{
if (RootContext.Documentation != null)
tmpComment = Lexer.consume_doc_comment ();
}
break;
case 204:
#line 1697 "cs-parser.jay"
{
implicit_value_parameter_type = (FullNamedExpression) yyVals[-3+yyTop];
lexer.PropertyParsing = true;
}
break;
case 205:
#line 1702 "cs-parser.jay"
{
lexer.PropertyParsing = false;
has_get = has_set = false;
}
break;
case 206:
#line 1707 "cs-parser.jay"
{
Property prop;
Accessors accessors = (Accessors) yyVals[-2+yyTop];
Accessor get_block = accessors != null ? accessors.get_or_add : null;
Accessor set_block = accessors != null ? accessors.set_or_remove : null;
bool order = accessors != null ? accessors.declared_in_reverse : false;
MemberName name = (MemberName) yyVals[-6+yyTop];
FullNamedExpression ptype = (FullNamedExpression) yyVals[-7+yyTop];
prop = new Property (current_class, ptype, (Modifiers) yyVals[-8+yyTop],
name, (Attributes) yyVals[-9+yyTop], get_block, set_block, order, current_block);
if (ptype == TypeManager.system_void_expr)
Report.Error (547, name.Location, "`{0}': property or indexer cannot have void type", prop.GetSignatureForError ());
if (accessors == null)
Report.Error (548, prop.Location, "`{0}': property or indexer must have at least one accessor", prop.GetSignatureForError ());
if (current_container.Kind == MemberKind.Interface) {
if (prop.Get.Block != null)
Report.Error (531, prop.Location, "`{0}.get': interface members cannot have a definition", prop.GetSignatureForError ());
if (prop.Set.Block != null)
Report.Error (531, prop.Location, "`{0}.set': interface members cannot have a definition", prop.GetSignatureForError ());
}
current_container.AddProperty (prop);
implicit_value_parameter_type = null;
if (RootContext.Documentation != null)
prop.DocComment = ConsumeStoredComment ();
}
break;
case 207:
#line 1745 "cs-parser.jay"
{
yyVal = new Accessors ((Accessor) yyVals[0+yyTop], null);
}
break;
case 208:
#line 1749 "cs-parser.jay"
{
Accessors accessors = (Accessors) yyVals[0+yyTop];
accessors.get_or_add = (Accessor) yyVals[-1+yyTop];
yyVal = accessors;
}
break;
case 209:
#line 1755 "cs-parser.jay"
{
yyVal = new Accessors (null, (Accessor) yyVals[0+yyTop]);
}
break;
case 210:
#line 1759 "cs-parser.jay"
{
Accessors accessors = (Accessors) yyVals[0+yyTop];
accessors.set_or_remove = (Accessor) yyVals[-1+yyTop];
accessors.declared_in_reverse = true;
yyVal = accessors;
}
break;
case 211:
#line 1766 "cs-parser.jay"
{
if (yyToken == Token.CLOSE_BRACE) {
yyVal = null;
} else {
if (yyToken == Token.SEMICOLON)
Report.Error (1597, lexer.Location, "Semicolon after method or accessor block is not valid");
else
Report.Error (1014, GetLocation (yyVals[0+yyTop]), "A get or set accessor expected");
yyVal = new Accessors (null, null);
}
}
break;
case 212:
#line 1782 "cs-parser.jay"
{
/* If this is not the case, then current_local_parameters has already*/
/* been set in indexer_declaration*/
if (parsing_indexer == false)
current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
else
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
}
break;
case 213:
#line 1792 "cs-parser.jay"
{
if (has_get) {
Report.Error (1007, GetLocation (yyVals[-2+yyTop]), "Property accessor already defined");
break;
}
Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], (Modifiers) yyVals[-3+yyTop], (Attributes) yyVals[-4+yyTop], current_local_parameters, GetLocation (yyVals[-2+yyTop]));
has_get = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
if (RootContext.Documentation != null)
if (Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
yyVal = accessor;
}
break;
case 214:
#line 1812 "cs-parser.jay"
{
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
Parameter.Modifier.NONE, null, GetLocation (yyVals[0+yyTop]));
if (!parsing_indexer) {
current_local_parameters = new ParametersCompiled (compiler, new Parameter [] { implicit_value_parameter });
} else {
current_local_parameters = ParametersCompiled.MergeGenerated (compiler,
indexer_parameters, true, implicit_value_parameter, null);
}
lexer.PropertyParsing = false;
}
break;
case 215:
#line 1827 "cs-parser.jay"
{
if (has_set) {
Report.Error (1007, GetLocation (yyVals[-2+yyTop]), "Property accessor already defined");
break;
}
Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], (Modifiers) yyVals[-3+yyTop], (Attributes) yyVals[-4+yyTop], current_local_parameters, GetLocation (yyVals[-2+yyTop]));
has_set = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
if (RootContext.Documentation != null
&& Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
yyVal = accessor;
}
break;
case 217:
#line 1848 "cs-parser.jay"
{
yyVal = null;
}
break;
case 218:
#line 1852 "cs-parser.jay"
{
Error_SyntaxError (1043, yyToken, "Invalid accessor body");
yyVal = null;
}
break;
case 219:
#line 1863 "cs-parser.jay"
{
lexer.ConstraintsParsing = true;
}
break;
case 220:
#line 1867 "cs-parser.jay"
{
MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
push_current_class (new Interface (current_namespace, current_class, name, (Modifiers) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
}
break;
case 221:
#line 1873 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
current_class.SetParameterInfo ((List<Constraints>) yyVals[0+yyTop]);
if (RootContext.Documentation != null) {
current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
break;
case 222:
#line 1884 "cs-parser.jay"
{
--lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 223:
#line 1890 "cs-parser.jay"
{
yyVal = pop_current_class ();
}
break;
case 224:
#line 1893 "cs-parser.jay"
{
CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
}
break;
case 230:
#line 1916 "cs-parser.jay"
{
Report.Error (525, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain fields or constants");
}
break;
case 231:
#line 1920 "cs-parser.jay"
{
Report.Error (525, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain fields or constants");
}
break;
case 236:
#line 1928 "cs-parser.jay"
{
Report.Error (567, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain operators");
}
break;
case 237:
#line 1932 "cs-parser.jay"
{
Report.Error (526, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain contructors");
}
break;
case 238:
#line 1936 "cs-parser.jay"
{
Report.Error (524, GetLocation (yyVals[0+yyTop]), "Interfaces cannot declare classes, structs, interfaces, delegates, or enumerations");
}
break;
case 239:
#line 1943 "cs-parser.jay"
{
}
break;
case 240:
#line 1946 "cs-parser.jay"
{
if (yyVals[-2+yyTop] == null)
break;
OperatorDeclaration decl = (OperatorDeclaration) yyVals[-2+yyTop];
Operator op = new Operator (
current_class, decl.optype, decl.ret_type, (Modifiers) yyVals[-3+yyTop],
current_local_parameters,
(ToplevelBlock) yyVals[0+yyTop], (Attributes) yyVals[-4+yyTop], decl.location);
if (RootContext.Documentation != null) {
op.DocComment = tmpComment;
Lexer.doc_state = XmlCommentState.Allowed;
}
/* Note again, checking is done in semantic analysis*/
current_container.AddOperator (op);
current_local_parameters = null;
}
break;
case 242:
#line 1970 "cs-parser.jay"
{ yyVal = null; }
break;
case 244:
#line 1976 "cs-parser.jay"
{
Report.Error (590, GetLocation (yyVals[0+yyTop]), "User-defined operators cannot return void");
yyVal = TypeManager.system_void_expr;
}
break;
case 245:
#line 1984 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.DefaultValue;
}
break;
case 246:
#line 1988 "cs-parser.jay"
{
valid_param_mod = 0;
Location loc = GetLocation (yyVals[-5+yyTop]);
Operator.OpType op = (Operator.OpType) yyVals[-4+yyTop];
current_local_parameters = (ParametersCompiled)yyVals[-1+yyTop];
int p_count = current_local_parameters.Count;
if (p_count == 1) {
if (op == Operator.OpType.Addition)
op = Operator.OpType.UnaryPlus;
else if (op == Operator.OpType.Subtraction)
op = Operator.OpType.UnaryNegation;
}
if (IsUnaryOperator (op)) {
if (p_count == 2) {
Report.Error (1020, loc, "Overloadable binary operator expected");
} else if (p_count != 1) {
Report.Error (1535, loc, "Overloaded unary operator `{0}' takes one parameter",
Operator.GetName (op));
}
} else {
if (p_count > 2) {
Report.Error (1534, loc, "Overloaded binary operator `{0}' takes two parameters",
Operator.GetName (op));
} else if (p_count != 2) {
Report.Error (1019, loc, "Overloadable unary operator expected");
}
}
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
yyVal = new OperatorDeclaration (op, (FullNamedExpression) yyVals[-6+yyTop], loc);
}
break;
case 248:
#line 2031 "cs-parser.jay"
{ yyVal = Operator.OpType.LogicalNot; }
break;
case 249:
#line 2032 "cs-parser.jay"
{ yyVal = Operator.OpType.OnesComplement; }
break;
case 250:
#line 2033 "cs-parser.jay"
{ yyVal = Operator.OpType.Increment; }
break;
case 251:
#line 2034 "cs-parser.jay"
{ yyVal = Operator.OpType.Decrement; }
break;
case 252:
#line 2035 "cs-parser.jay"
{ yyVal = Operator.OpType.True; }
break;
case 253:
#line 2036 "cs-parser.jay"
{ yyVal = Operator.OpType.False; }
break;
case 254:
#line 2038 "cs-parser.jay"
{ yyVal = Operator.OpType.Addition; }
break;
case 255:
#line 2039 "cs-parser.jay"
{ yyVal = Operator.OpType.Subtraction; }
break;
case 256:
#line 2041 "cs-parser.jay"
{ yyVal = Operator.OpType.Multiply; }
break;
case 257:
#line 2042 "cs-parser.jay"
{ yyVal = Operator.OpType.Division; }
break;
case 258:
#line 2043 "cs-parser.jay"
{ yyVal = Operator.OpType.Modulus; }
break;
case 259:
#line 2044 "cs-parser.jay"
{ yyVal = Operator.OpType.BitwiseAnd; }
break;
case 260:
#line 2045 "cs-parser.jay"
{ yyVal = Operator.OpType.BitwiseOr; }
break;
case 261:
#line 2046 "cs-parser.jay"
{ yyVal = Operator.OpType.ExclusiveOr; }
break;
case 262:
#line 2047 "cs-parser.jay"
{ yyVal = Operator.OpType.LeftShift; }
break;
case 263:
#line 2048 "cs-parser.jay"
{ yyVal = Operator.OpType.RightShift; }
break;
case 264:
#line 2049 "cs-parser.jay"
{ yyVal = Operator.OpType.Equality; }
break;
case 265:
#line 2050 "cs-parser.jay"
{ yyVal = Operator.OpType.Inequality; }
break;
case 266:
#line 2051 "cs-parser.jay"
{ yyVal = Operator.OpType.GreaterThan; }
break;
case 267:
#line 2052 "cs-parser.jay"
{ yyVal = Operator.OpType.LessThan; }
break;
case 268:
#line 2053 "cs-parser.jay"
{ yyVal = Operator.OpType.GreaterThanOrEqual; }
break;
case 269:
#line 2054 "cs-parser.jay"
{ yyVal = Operator.OpType.LessThanOrEqual; }
break;
case 270:
#line 2059 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.DefaultValue;
}
break;
case 271:
#line 2063 "cs-parser.jay"
{
valid_param_mod = 0;
Location loc = GetLocation (yyVals[-5+yyTop]);
current_local_parameters = (ParametersCompiled)yyVals[-1+yyTop];
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
yyVal = new OperatorDeclaration (Operator.OpType.Implicit, (FullNamedExpression) yyVals[-4+yyTop], loc);
}
break;
case 272:
#line 2077 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.DefaultValue;
}
break;
case 273:
#line 2081 "cs-parser.jay"
{
valid_param_mod = 0;
Location loc = GetLocation (yyVals[-5+yyTop]);
current_local_parameters = (ParametersCompiled)yyVals[-1+yyTop];
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
yyVal = new OperatorDeclaration (Operator.OpType.Explicit, (FullNamedExpression) yyVals[-4+yyTop], loc);
}
break;
case 274:
#line 2095 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
yyVal = new OperatorDeclaration (Operator.OpType.Implicit, null, GetLocation (yyVals[-1+yyTop]));
}
break;
case 275:
#line 2101 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
yyVal = new OperatorDeclaration (Operator.OpType.Explicit, null, GetLocation (yyVals[-1+yyTop]));
}
break;
case 276:
#line 2111 "cs-parser.jay"
{
Constructor c = (Constructor) yyVals[-1+yyTop];
c.Block = (ToplevelBlock) yyVals[0+yyTop];
if (RootContext.Documentation != null)
c.DocComment = ConsumeStoredComment ();
current_container.AddConstructor (c);
current_local_parameters = null;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 277:
#line 2130 "cs-parser.jay"
{
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
valid_param_mod = ParameterModifierType.All;
}
break;
case 278:
#line 2139 "cs-parser.jay"
{
valid_param_mod = 0;
current_local_parameters = (ParametersCompiled) yyVals[-1+yyTop];
/**/
/* start block here, so possible anonymous methods inside*/
/* constructor initializer can get correct parent block*/
/**/
start_block (lexer.Location);
}
break;
case 279:
#line 2150 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-6+yyTop];
var mods = (Modifiers) yyVals[-7+yyTop];
ConstructorInitializer ci = (ConstructorInitializer) yyVals[0+yyTop];
Constructor c = new Constructor (current_class, lt.Value, mods,
(Attributes) yyVals[-8+yyTop], current_local_parameters, ci, lt.Location);
if (lt.Value != current_container.MemberName.Name) {
Report.Error (1520, c.Location, "Class, struct, or interface method must have a return type");
} else if ((mods & Modifiers.STATIC) != 0) {
if ((mods & Modifiers.AccessibilityMask) != 0){
Report.Error (515, c.Location,
"`{0}': static constructor cannot have an access modifier",
c.GetSignatureForError ());
}
if (ci != null) {
Report.Error (514, c.Location,
"`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
c.GetSignatureForError ());
}
}
yyVal = c;
}
break;
case 281:
#line 2180 "cs-parser.jay"
{ current_block = null; yyVal = null; }
break;
case 284:
#line 2190 "cs-parser.jay"
{
++lexer.parsing_block;
}
break;
case 285:
#line 2194 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = new ConstructorBaseInitializer ((Arguments) yyVals[-1+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 286:
#line 2199 "cs-parser.jay"
{
++lexer.parsing_block;
}
break;
case 287:
#line 2203 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = new ConstructorThisInitializer ((Arguments) yyVals[-1+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 288:
#line 2207 "cs-parser.jay"
{
Report.Error (1018, GetLocation (yyVals[-1+yyTop]), "Keyword `this' or `base' expected");
yyVal = null;
}
break;
case 289:
#line 2215 "cs-parser.jay"
{
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
}
break;
case 290:
#line 2224 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
if (lt.Value != current_container.MemberName.Name){
Report.Error (574, lt.Location, "Name of destructor must match name of class");
} else if (current_container.Kind != MemberKind.Class){
Report.Error (575, lt.Location, "Only class types can contain destructor");
} else {
Destructor d = new Destructor (current_class, (Modifiers) yyVals[-6+yyTop],
ParametersCompiled.EmptyReadOnlyParameters, (Attributes) yyVals[-7+yyTop], lt.Location);
if (RootContext.Documentation != null)
d.DocComment = ConsumeStoredComment ();
d.Block = (ToplevelBlock) yyVals[0+yyTop];
current_container.AddMethod (d);
}
current_local_parameters = null;
}
break;
case 291:
#line 2248 "cs-parser.jay"
{
foreach (VariableMemberDeclaration var in (List<object>) yyVals[-1+yyTop]) {
EventField e = new EventField (
current_class, (FullNamedExpression) yyVals[-2+yyTop], (Modifiers) yyVals[-4+yyTop], var.MemberName, (Attributes) yyVals[-5+yyTop]);
e.Initializer = var.GetInitializer ((FullNamedExpression) yyVals[-2+yyTop]);
if (current_container.Kind == MemberKind.Interface && e.Initializer != null) {
Report.Error (68, e.Location, "`{0}': event in interface cannot have initializer", e.GetSignatureForError ());
}
if (var.MemberName.Left != null) {
Report.Error (71, e.Location,
"`{0}': An explicit interface implementation of an event must use property syntax",
e.GetSignatureForError ());
}
current_container.AddEvent (e);
if (RootContext.Documentation != null) {
e.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
}
break;
case 292:
#line 2277 "cs-parser.jay"
{
implicit_value_parameter_type = (FullNamedExpression) yyVals[-2+yyTop];
current_local_parameters = new ParametersCompiled (compiler,
new Parameter (implicit_value_parameter_type, "value",
Parameter.Modifier.NONE, null, GetLocation (yyVals[-3+yyTop])));
lexer.EventParsing = true;
}
break;
case 293:
#line 2286 "cs-parser.jay"
{
lexer.EventParsing = false;
}
break;
case 294:
#line 2290 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[-5+yyTop];
if (current_container.Kind == MemberKind.Interface) {
Report.Error (69, GetLocation (yyVals[-7+yyTop]), "Event in interface cannot have add or remove accessors");
yyVals[-2+yyTop] = new Accessors (null, null);
} else if (yyVals[-2+yyTop] == null) {
Report.Error (65, GetLocation (yyVals[-7+yyTop]), "`{0}.{1}': event property must have both add and remove accessors",
current_container.GetSignatureForError (), name.GetSignatureForError ());
yyVals[-2+yyTop] = new Accessors (null, null);
}
Accessors accessors = (Accessors) yyVals[-2+yyTop];
if (accessors.get_or_add == null || accessors.set_or_remove == null)
/* CS0073 is already reported, so no CS0065 here.*/
yyVal = null;
else {
Event e = new EventProperty (
current_class, (FullNamedExpression) yyVals[-6+yyTop], (Modifiers) yyVals[-8+yyTop], name,
(Attributes) yyVals[-9+yyTop], accessors.get_or_add, accessors.set_or_remove);
if (RootContext.Documentation != null) {
e.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddEvent (e);
implicit_value_parameter_type = null;
}
current_local_parameters = null;
}
break;
case 295:
#line 2322 "cs-parser.jay"
{
MemberName mn = (MemberName) yyVals[-1+yyTop];
if (mn.Left != null)
Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
Error_SyntaxError (yyToken);
yyVal = null;
}
break;
case 296:
#line 2337 "cs-parser.jay"
{
yyVal = new Accessors ((Accessor) yyVals[-1+yyTop], (Accessor) yyVals[0+yyTop]);
}
break;
case 297:
#line 2341 "cs-parser.jay"
{
Accessors accessors = new Accessors ((Accessor) yyVals[0+yyTop], (Accessor) yyVals[-1+yyTop]);
accessors.declared_in_reverse = true;
yyVal = accessors;
}
break;
case 298:
#line 2346 "cs-parser.jay"
{ yyVal = null; }
break;
case 299:
#line 2347 "cs-parser.jay"
{ yyVal = null; }
break;
case 300:
#line 2349 "cs-parser.jay"
{
Report.Error (1055, GetLocation (yyVals[0+yyTop]), "An add or remove accessor expected");
yyVal = null;
}
break;
case 301:
#line 2353 "cs-parser.jay"
{ yyVal = null; }
break;
case 302:
#line 2358 "cs-parser.jay"
{
lexer.EventParsing = false;
}
break;
case 303:
#line 2362 "cs-parser.jay"
{
Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], 0, (Attributes) yyVals[-3+yyTop], null, GetLocation (yyVals[-2+yyTop]));
lexer.EventParsing = true;
yyVal = accessor;
}
break;
case 304:
#line 2367 "cs-parser.jay"
{
Report.Error (73, GetLocation (yyVals[-1+yyTop]), "An add or remove accessor must have a body");
yyVal = null;
}
break;
case 305:
#line 2371 "cs-parser.jay"
{
Report.Error (1609, GetLocation (yyVals[0+yyTop]), "Modifiers cannot be placed on event accessor declarations");
yyVal = null;
}
break;
case 306:
#line 2379 "cs-parser.jay"
{
lexer.EventParsing = false;
}
break;
case 307:
#line 2383 "cs-parser.jay"
{
yyVal = new Accessor ((ToplevelBlock) yyVals[0+yyTop], 0, (Attributes) yyVals[-3+yyTop], null, GetLocation (yyVals[-2+yyTop]));
lexer.EventParsing = true;
}
break;
case 308:
#line 2387 "cs-parser.jay"
{
Report.Error (73, GetLocation (yyVals[-1+yyTop]), "An add or remove accessor must have a body");
yyVal = null;
}
break;
case 309:
#line 2391 "cs-parser.jay"
{
Report.Error (1609, GetLocation (yyVals[0+yyTop]), "Modifiers cannot be placed on event accessor declarations");
yyVal = null;
}
break;
case 310:
#line 2400 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.Params | ParameterModifierType.DefaultValue;
}
break;
case 311:
#line 2405 "cs-parser.jay"
{
valid_param_mod = 0;
implicit_value_parameter_type = (FullNamedExpression) yyVals[-6+yyTop];
indexer_parameters = (ParametersCompiled) yyVals[-2+yyTop];
if (indexer_parameters.IsEmpty) {
Report.Error (1551, GetLocation (yyVals[-4+yyTop]), "Indexers must have at least one parameter");
}
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
lexer.PropertyParsing = true;
parsing_indexer = true;
}
break;
case 312:
#line 2424 "cs-parser.jay"
{
lexer.PropertyParsing = false;
has_get = has_set = false;
parsing_indexer = false;
}
break;
case 313:
#line 2430 "cs-parser.jay"
{
Accessors accessors = (Accessors) yyVals[-2+yyTop];
Accessor get_block = accessors != null ? accessors.get_or_add : null;
Accessor set_block = accessors != null ? accessors.set_or_remove : null;
bool order = accessors != null ? accessors.declared_in_reverse : false;
Indexer indexer = new Indexer (current_class, (FullNamedExpression) yyVals[-10+yyTop],
(MemberName)yyVals[-9+yyTop], (Modifiers) yyVals[-11+yyTop], (ParametersCompiled) yyVals[-6+yyTop], (Attributes) yyVals[-12+yyTop],
get_block, set_block, order);
if (yyVals[-10+yyTop] == TypeManager.system_void_expr)
Report.Error (620, GetLocation (yyVals[-10+yyTop]), "`{0}': indexer return type cannot be `void'", indexer.GetSignatureForError ());
if (accessors == null)
Report.Error (548, indexer.Location, "`{0}': property or indexer must have at least one accessor", indexer.GetSignatureForError ());
if (current_container.Kind == MemberKind.Interface) {
if (indexer.Get.Block != null)
Report.Error (531, indexer.Location, "`{0}.get': interface members cannot have a definition", indexer.GetSignatureForError ());
if (indexer.Set.Block != null)
Report.Error (531, indexer.Location, "`{0}.set': interface members cannot have a definition", indexer.GetSignatureForError ());
}
if (RootContext.Documentation != null)
indexer.DocComment = ConsumeStoredComment ();
current_container.AddIndexer (indexer);
current_local_parameters = null;
implicit_value_parameter_type = null;
indexer_parameters = null;
}
break;
case 314:
#line 2469 "cs-parser.jay"
{
if (RootContext.Documentation != null)
enumTypeComment = Lexer.consume_doc_comment ();
}
break;
case 315:
#line 2475 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[-4+yyTop];
if (name.IsGeneric) {
Report.Error (1675, name.Location, "Enums cannot have type parameters");
}
name = MakeName (name);
Enum e = new Enum (current_namespace, current_class, (TypeExpr) yyVals[-3+yyTop], (Modifiers) yyVals[-6+yyTop],
name, (Attributes) yyVals[-7+yyTop]);
if (RootContext.Documentation != null)
e.DocComment = enumTypeComment;
EnumMember em = null;
foreach (VariableDeclaration ev in (IList<VariableDeclaration>) yyVals[-1+yyTop]) {
em = new EnumMember (
e, em, ev.identifier, ev.GetInitializer ((FullNamedExpression) yyVals[-3+yyTop]),
ev.OptAttributes, ev.Location);
/* if (RootContext.Documentation != null)*/
em.DocComment = ev.DocComment;
e.AddEnumMember (em);
}
if (RootContext.EvalMode)
undo.AddTypeContainer (current_container, e);
current_container.AddTypeContainer (e);
yyVal = e;
}
break;
case 316:
#line 2512 "cs-parser.jay"
{
yyVal = TypeManager.system_int32_expr;
}
break;
case 317:
#line 2516 "cs-parser.jay"
{
if (yyVals[0+yyTop] != TypeManager.system_int32_expr && yyVals[0+yyTop] != TypeManager.system_uint32_expr &&
yyVals[0+yyTop] != TypeManager.system_int64_expr && yyVals[0+yyTop] != TypeManager.system_uint64_expr &&
yyVals[0+yyTop] != TypeManager.system_int16_expr && yyVals[0+yyTop] != TypeManager.system_uint16_expr &&
yyVals[0+yyTop] != TypeManager.system_byte_expr && yyVals[0+yyTop] != TypeManager.system_sbyte_expr) {
Enum.Error_1008 (GetLocation (yyVals[0+yyTop]), Report);
yyVals[0+yyTop] = TypeManager.system_int32_expr;
}
yyVal = yyVals[0+yyTop];
}
break;
case 318:
#line 2528 "cs-parser.jay"
{
Error_TypeExpected (GetLocation (yyVals[-1+yyTop]));
yyVal = TypeManager.system_int32_expr;
}
break;
case 319:
#line 2536 "cs-parser.jay"
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 320:
#line 2541 "cs-parser.jay"
{
/* here will be evaluated after CLOSE_BLACE is consumed.*/
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 321:
#line 2547 "cs-parser.jay"
{
yyVal = yyVals[-2+yyTop];
}
break;
case 322:
#line 2553 "cs-parser.jay"
{ yyVal = new VariableDeclaration [0]; }
break;
case 323:
#line 2554 "cs-parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 324:
#line 2559 "cs-parser.jay"
{
var l = new List<VariableDeclaration> (4);
l.Add ((VariableDeclaration) yyVals[0+yyTop]);
yyVal = l;
}
break;
case 325:
#line 2565 "cs-parser.jay"
{
var l = (List<VariableDeclaration>) yyVals[-2+yyTop];
l.Add ((VariableDeclaration) yyVals[0+yyTop]);
yyVal = l;
}
break;
case 326:
#line 2574 "cs-parser.jay"
{
VariableDeclaration vd = new VariableDeclaration (
(Tokenizer.LocatedToken) yyVals[0+yyTop], null, (Attributes) yyVals[-1+yyTop]);
if (RootContext.Documentation != null) {
vd.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
yyVal = vd;
}
break;
case 327:
#line 2586 "cs-parser.jay"
{
++lexer.parsing_block;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
}
break;
case 328:
#line 2594 "cs-parser.jay"
{
--lexer.parsing_block;
VariableDeclaration vd = new VariableDeclaration (
(Tokenizer.LocatedToken) yyVals[-3+yyTop], (Expression) yyVals[0+yyTop], (Attributes) yyVals[-4+yyTop]);
if (RootContext.Documentation != null)
vd.DocComment = ConsumeStoredComment ();
yyVal = vd;
}
break;
case 329:
#line 2612 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out | ParameterModifierType.Params | ParameterModifierType.DefaultValue;
}
break;
case 330:
#line 2616 "cs-parser.jay"
{
valid_param_mod = 0;
MemberName name = MakeName ((MemberName) yyVals[-4+yyTop]);
ParametersCompiled p = (ParametersCompiled) yyVals[-1+yyTop];
Delegate del = new Delegate (current_namespace, current_class, (FullNamedExpression) yyVals[-5+yyTop],
(Modifiers) yyVals[-7+yyTop], name, p, (Attributes) yyVals[-8+yyTop]);
if (RootContext.Documentation != null) {
del.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddDelegate (del);
current_delegate = del;
lexer.ConstraintsParsing = true;
}
break;
case 331:
#line 2635 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
}
break;
case 332:
#line 2639 "cs-parser.jay"
{
current_delegate.SetParameterInfo ((List<Constraints>) yyVals[-2+yyTop]);
yyVal = current_delegate;
current_delegate = null;
}
break;
case 333:
#line 2649 "cs-parser.jay"
{
yyVal = null;
}
break;
case 334:
#line 2653 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (GetLocation (yyVals[0+yyTop]), "nullable types");
else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[0+yyTop]), "nullable types");
yyVal = this;
}
break;
case 336:
#line 2666 "cs-parser.jay"
{
var lt1 = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
var lt2 = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberName (lt1.Value, lt2.Value, (TypeArguments) yyVals[0+yyTop], lt1.Location);
}
break;
case 338:
#line 2677 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberName ((MemberName) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
}
break;
case 339:
#line 2685 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberName (lt.Value, (TypeArguments)yyVals[0+yyTop], lt.Location);
}
break;
case 340:
#line 2695 "cs-parser.jay"
{ yyVal = null; }
break;
case 341:
#line 2697 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (GetLocation (yyVals[-2+yyTop]), "generics");
else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "generics");
yyVal = yyVals[-1+yyTop];
}
break;
case 342:
#line 2706 "cs-parser.jay"
{
Error_TypeExpected (lexer.Location);
yyVal = new TypeArguments ();
}
break;
case 343:
#line 2714 "cs-parser.jay"
{
TypeArguments type_args = new TypeArguments ();
type_args.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = type_args;
}
break;
case 344:
#line 2720 "cs-parser.jay"
{
TypeArguments type_args = (TypeArguments) yyVals[-2+yyTop];
type_args.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = type_args;
}
break;
case 345:
#line 2732 "cs-parser.jay"
{
lexer.parsing_generic_declaration = true;
}
break;
case 346:
#line 2736 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new MemberName (lt.Value, (TypeArguments)yyVals[0+yyTop], lt.Location);
}
break;
case 347:
#line 2745 "cs-parser.jay"
{
MemberName mn = (MemberName)yyVals[0+yyTop];
if (mn.TypeArguments != null)
syntax_error (mn.Location, string.Format ("Member `{0}' cannot declare type arguments",
mn.GetSignatureForError ()));
}
break;
case 349:
#line 2756 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberName ((MemberName) yyVals[-2+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
}
break;
case 350:
#line 2765 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
yyVal = new MemberName (TypeContainer.DefaultIndexerName, GetLocation (yyVals[0+yyTop]));
}
break;
case 351:
#line 2770 "cs-parser.jay"
{
lexer.parsing_generic_declaration = false;
yyVal = new MemberName ((MemberName) yyVals[-1+yyTop], TypeContainer.DefaultIndexerName, null, GetLocation (yyVals[-1+yyTop]));
}
break;
case 352:
#line 2778 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new MemberName (lt.Value, (TypeArguments) yyVals[-1+yyTop], lt.Location);
}
break;
case 353:
#line 2783 "cs-parser.jay"
{
var lt1 = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
var lt2 = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new MemberName (lt1.Value, lt2.Value, (TypeArguments) yyVals[-1+yyTop], lt1.Location);
}
break;
case 354:
#line 2790 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new MemberName ((MemberName) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[-1+yyTop], lt.Location);
}
break;
case 355:
#line 2797 "cs-parser.jay"
{ yyVal = null; }
break;
case 356:
#line 2799 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (GetLocation (yyVals[-2+yyTop]), "generics");
else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "generics");
yyVal = yyVals[-1+yyTop];
}
break;
case 357:
#line 2811 "cs-parser.jay"
{
TypeArguments type_args = new TypeArguments ();
type_args.Add ((FullNamedExpression)yyVals[0+yyTop]);
yyVal = type_args;
}
break;
case 358:
#line 2817 "cs-parser.jay"
{
TypeArguments type_args = (TypeArguments) yyVals[-2+yyTop];
type_args.Add ((FullNamedExpression)yyVals[0+yyTop]);
yyVal = type_args;
}
break;
case 359:
#line 2826 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken)yyVals[0+yyTop];
yyVal = new TypeParameterName (lt.Value, (Attributes)yyVals[-2+yyTop], (Variance) yyVals[-1+yyTop], lt.Location);
}
break;
case 360:
#line 2831 "cs-parser.jay"
{
if (GetTokenName (yyToken) == "type")
Report.Error (81, GetLocation (yyVals[0+yyTop]), "Type parameter declaration must be an identifier not a type");
else
Error_SyntaxError (yyToken);
yyVal = new TypeParameterName ("", null, lexer.Location);
}
break;
case 362:
#line 2847 "cs-parser.jay"
{
yyVal = TypeManager.system_void_expr;
}
break;
case 363:
#line 2854 "cs-parser.jay"
{
lexer.parsing_generic_declaration = true;
}
break;
case 365:
#line 2865 "cs-parser.jay"
{
Expression.Error_VoidInvalidInTheContext (GetLocation (yyVals[0+yyTop]), Report);
yyVal = TypeManager.system_void_expr;
}
break;
case 367:
#line 2874 "cs-parser.jay"
{
Expression.Error_VoidInvalidInTheContext (GetLocation (yyVals[0+yyTop]), Report);
yyVal = TypeManager.system_void_expr;
}
break;
case 369:
#line 2883 "cs-parser.jay"
{
Report.Error (1536, GetLocation (yyVals[0+yyTop]), "Invalid parameter type `void'");
yyVal = TypeManager.system_void_expr;
}
break;
case 371:
#line 2892 "cs-parser.jay"
{
string rank_specifiers = (string) yyVals[0+yyTop];
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], rank_specifiers);
}
break;
case 372:
#line 2900 "cs-parser.jay"
{
MemberName name = (MemberName) yyVals[-1+yyTop];
if (yyVals[0+yyTop] != null) {
yyVal = new ComposedCast (name.GetTypeExpression (), "?", lexer.Location);
} else {
if (name.Left == null && name.Name == "var")
yyVal = new VarExpr (name.Location);
else
yyVal = name.GetTypeExpression ();
}
}
break;
case 373:
#line 2913 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null)
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "?", lexer.Location);
}
break;
case 374:
#line 2918 "cs-parser.jay"
{
/**/
/* Note that here only unmanaged types are allowed but we*/
/* can't perform checks during this phase - we do it during*/
/* semantic analysis.*/
/**/
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*", Lexer.Location);
}
break;
case 375:
#line 2927 "cs-parser.jay"
{
yyVal = new ComposedCast (TypeManager.system_void_expr, "*", GetLocation (yyVals[-1+yyTop]));
}
break;
case 376:
#line 2934 "cs-parser.jay"
{
var types = new List<FullNamedExpression> (2);
types.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = types;
}
break;
case 377:
#line 2940 "cs-parser.jay"
{
var types = (List<FullNamedExpression>) yyVals[-2+yyTop];
types.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = types;
}
break;
case 378:
#line 2949 "cs-parser.jay"
{
if (yyVals[0+yyTop] is ComposedCast) {
Report.Error (1521, GetLocation (yyVals[0+yyTop]), "Invalid base type `{0}'", ((ComposedCast)yyVals[0+yyTop]).GetSignatureForError ());
}
yyVal = yyVals[0+yyTop];
}
break;
case 379:
#line 2956 "cs-parser.jay"
{
Error_TypeExpected (lexer.Location);
yyVal = null;
}
break;
case 380:
#line 2967 "cs-parser.jay"
{ yyVal = TypeManager.system_object_expr; }
break;
case 381:
#line 2968 "cs-parser.jay"
{ yyVal = TypeManager.system_string_expr; }
break;
case 382:
#line 2969 "cs-parser.jay"
{ yyVal = TypeManager.system_boolean_expr; }
break;
case 383:
#line 2970 "cs-parser.jay"
{ yyVal = TypeManager.system_decimal_expr; }
break;
case 384:
#line 2971 "cs-parser.jay"
{ yyVal = TypeManager.system_single_expr; }
break;
case 385:
#line 2972 "cs-parser.jay"
{ yyVal = TypeManager.system_double_expr; }
break;
case 387:
#line 2977 "cs-parser.jay"
{ yyVal = TypeManager.system_sbyte_expr; }
break;
case 388:
#line 2978 "cs-parser.jay"
{ yyVal = TypeManager.system_byte_expr; }
break;
case 389:
#line 2979 "cs-parser.jay"
{ yyVal = TypeManager.system_int16_expr; }
break;
case 390:
#line 2980 "cs-parser.jay"
{ yyVal = TypeManager.system_uint16_expr; }
break;
case 391:
#line 2981 "cs-parser.jay"
{ yyVal = TypeManager.system_int32_expr; }
break;
case 392:
#line 2982 "cs-parser.jay"
{ yyVal = TypeManager.system_uint32_expr; }
break;
case 393:
#line 2983 "cs-parser.jay"
{ yyVal = TypeManager.system_int64_expr; }
break;
case 394:
#line 2984 "cs-parser.jay"
{ yyVal = TypeManager.system_uint64_expr; }
break;
case 395:
#line 2985 "cs-parser.jay"
{ yyVal = TypeManager.system_char_expr; }
break;
case 397:
#line 2991 "cs-parser.jay"
{
yyVal = TypeManager.system_void_expr;
}
break;
case 401:
#line 3009 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new SimpleName (lt.Value, (TypeArguments)yyVals[0+yyTop], lt.Location);
}
break;
case 402:
#line 3013 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new CompletionSimpleName (MemberName.MakeName (lt.Value, null), lt.Location);
}
break;
case 422:
#line 3039 "cs-parser.jay"
{ yyVal = new NullLiteral (GetLocation (yyVals[0+yyTop])); }
break;
case 423:
#line 3043 "cs-parser.jay"
{ yyVal = new BoolLiteral (true, GetLocation (yyVals[0+yyTop])); }
break;
case 424:
#line 3044 "cs-parser.jay"
{ yyVal = new BoolLiteral (false, GetLocation (yyVals[0+yyTop])); }
break;
case 429:
#line 3070 "cs-parser.jay"
{
yyVal = new ParenthesizedExpression ((Expression) yyVals[-1+yyTop]);
}
break;
case 430:
#line 3074 "cs-parser.jay"
{
yyVal = new ParenthesizedExpression ((Expression) yyVals[-1+yyTop]);
}
break;
case 431:
#line 3081 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
}
break;
case 432:
#line 3086 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
/* TODO: Location is wrong as some predefined types doesn't hold a location*/
yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
}
break;
case 433:
#line 3092 "cs-parser.jay"
{
var lt1 = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
var lt2 = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new QualifiedAliasMember (lt1.Value, lt2.Value, (TypeArguments) yyVals[0+yyTop], lt1.Location);
}
break;
case 434:
#line 3098 "cs-parser.jay"
{
yyVal = new CompletionMemberAccess ((Expression) yyVals[-2+yyTop], null,GetLocation (yyVals[0+yyTop]));
}
break;
case 435:
#line 3101 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new CompletionMemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, lt.Location);
}
break;
case 436:
#line 3106 "cs-parser.jay"
{
/* TODO: Location is wrong as some predefined types doesn't hold a location*/
yyVal = new CompletionMemberAccess ((Expression) yyVals[-2+yyTop], null, lexer.Location);
}
break;
case 437:
#line 3110 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new CompletionMemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, lt.Location);
}
break;
case 438:
#line 3118 "cs-parser.jay"
{
yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
}
break;
case 439:
#line 3124 "cs-parser.jay"
{ yyVal = null; }
break;
case 441:
#line 3130 "cs-parser.jay"
{
if (yyVals[-1+yyTop] == null)
yyVal = CollectionOrObjectInitializers.Empty;
else
yyVal = new CollectionOrObjectInitializers ((List<Expression>) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 442:
#line 3137 "cs-parser.jay"
{
yyVal = new CollectionOrObjectInitializers ((List<Expression>) yyVals[-2+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 443:
#line 3143 "cs-parser.jay"
{ yyVal = null; }
break;
case 444:
#line 3145 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 445:
#line 3152 "cs-parser.jay"
{
var a = new List<Expression> ();
a.Add ((Expression) yyVals[0+yyTop]);
yyVal = a;
}
break;
case 446:
#line 3158 "cs-parser.jay"
{
var a = (List<Expression>)yyVals[-2+yyTop];
a.Add ((Expression) yyVals[0+yyTop]);
yyVal = a;
}
break;
case 447:
#line 3163 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = yyVals[-1+yyTop];
}
break;
case 448:
#line 3171 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new ElementInitializer (lt.Value, (Expression)yyVals[0+yyTop], lt.Location);
}
break;
case 449:
#line 3176 "cs-parser.jay"
{
yyVal = new CompletionElementInitializer (null, GetLocation (yyVals[0+yyTop]));
}
break;
case 450:
#line 3179 "cs-parser.jay"
{
CompletionSimpleName csn = yyVals[-1+yyTop] as CompletionSimpleName;
if (csn == null)
yyVal = new CollectionElementInitializer ((Expression)yyVals[-1+yyTop]);
else
yyVal = new CompletionElementInitializer (csn.Prefix, csn.Location);
}
break;
case 451:
#line 3187 "cs-parser.jay"
{
if (yyVals[-1+yyTop] == null)
yyVal = null;
else
yyVal = new CollectionElementInitializer ((List<Expression>)yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 452:
#line 3194 "cs-parser.jay"
{
Report.Error (1920, GetLocation (yyVals[-1+yyTop]), "An element initializer cannot be empty");
yyVal = null;
}
break;
case 455:
#line 3206 "cs-parser.jay"
{ yyVal = null; }
break;
case 457:
#line 3212 "cs-parser.jay"
{
Arguments list = new Arguments (4);
list.Add ((Argument) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 458:
#line 3218 "cs-parser.jay"
{
Arguments list = (Arguments) yyVals[-2+yyTop];
if (list [list.Count - 1] is NamedArgument)
Error_NamedArgumentExpected ((NamedArgument) list [list.Count - 1]);
list.Add ((Argument) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 459:
#line 3227 "cs-parser.jay"
{
Arguments list = (Arguments) yyVals[-2+yyTop];
NamedArgument a = (NamedArgument) yyVals[0+yyTop];
for (int i = 0; i < list.Count; ++i) {
NamedArgument na = list [i] as NamedArgument;
if (na != null && na.Name == a.Name)
Report.Error (1740, na.Location, "Named argument `{0}' specified multiple times",
na.Name);
}
list.Add (a);
yyVal = list;
}
break;
case 460:
#line 3241 "cs-parser.jay"
{
Report.Error (839, GetLocation (yyVals[0+yyTop]), "An argument is missing");
yyVal = yyVals[-1+yyTop];
}
break;
case 461:
#line 3246 "cs-parser.jay"
{
Report.Error (839, GetLocation (yyVals[-1+yyTop]), "An argument is missing");
yyVal = yyVals[-1+yyTop];
}
break;
case 462:
#line 3254 "cs-parser.jay"
{
yyVal = new Argument ((Expression) yyVals[0+yyTop]);
}
break;
case 466:
#line 3267 "cs-parser.jay"
{
yyVal = new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Ref);
}
break;
case 467:
#line 3271 "cs-parser.jay"
{
yyVal = new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Out);
}
break;
case 468:
#line 3275 "cs-parser.jay"
{
yyVal = new Argument (new Arglist ((Arguments) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop])));
}
break;
case 469:
#line 3279 "cs-parser.jay"
{
yyVal = new Argument (new Arglist (GetLocation (yyVals[-2+yyTop])));
}
break;
case 470:
#line 3283 "cs-parser.jay"
{
yyVal = new Argument (new ArglistAccess (GetLocation (yyVals[0+yyTop])));
}
break;
case 472:
#line 3294 "cs-parser.jay"
{
yyVal = new ElementAccess ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
}
break;
case 473:
#line 3298 "cs-parser.jay"
{
/* LAMESPEC: Not allowed according to specification*/
yyVal = new ElementAccess ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
}
break;
case 474:
#line 3303 "cs-parser.jay"
{
/* So the super-trick is that primary_expression*/
/* can only be either a SimpleName or a MemberAccess. */
/* The MemberAccess case arises when you have a fully qualified type-name like :*/
/* Foo.Bar.Blah i;*/
/* SimpleName is when you have*/
/* Blah i;*/
Expression expr = (Expression) yyVals[-1+yyTop];
if (expr is ComposedCast){
yyVal = new ComposedCast ((ComposedCast)expr, (string) yyVals[0+yyTop]);
} else if (expr is ATypeNameExpression){
/**/
/* So we extract the string corresponding to the SimpleName*/
/* or MemberAccess*/
/* */
yyVal = new ComposedCast ((ATypeNameExpression)expr, (string) yyVals[0+yyTop]);
} else {
Error_ExpectingTypeName (expr);
yyVal = TypeManager.system_object_expr;
}
}
break;
case 475:
#line 3329 "cs-parser.jay"
{
var list = new List<Expression> (4);
list.Add ((Expression) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 476:
#line 3335 "cs-parser.jay"
{
var list = (List<Expression>) yyVals[-2+yyTop];
list.Add ((Expression) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 477:
#line 3340 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = yyVals[-1+yyTop];
}
break;
case 478:
#line 3348 "cs-parser.jay"
{
Arguments args = new Arguments (4);
args.Add ((Argument) yyVals[0+yyTop]);
yyVal = args;
}
break;
case 479:
#line 3354 "cs-parser.jay"
{
Arguments args = (Arguments) yyVals[-2+yyTop];
args.Add ((Argument) yyVals[0+yyTop]);
yyVal = args;
}
break;
case 480:
#line 3363 "cs-parser.jay"
{
yyVal = new Argument ((Expression) yyVals[0+yyTop]);
}
break;
case 482:
#line 3371 "cs-parser.jay"
{
yyVal = new This (current_block, GetLocation (yyVals[0+yyTop]));
}
break;
case 483:
#line 3378 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new BaseAccess (lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
}
break;
case 484:
#line 3383 "cs-parser.jay"
{
yyVal = new BaseIndexerAccess ((Arguments) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 485:
#line 3387 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = new BaseAccess (null, GetLocation (yyVals[0+yyTop]));
}
break;
case 486:
#line 3395 "cs-parser.jay"
{
yyVal = new UnaryMutator (UnaryMutator.Mode.PostIncrement, (Expression) yyVals[-1+yyTop], GetLocation (yyVals[0+yyTop]));
}
break;
case 487:
#line 3402 "cs-parser.jay"
{
yyVal = new UnaryMutator (UnaryMutator.Mode.PostDecrement, (Expression) yyVals[-1+yyTop], GetLocation (yyVals[0+yyTop]));
}
break;
case 488:
#line 3409 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null) {
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-4+yyTop]), "object initializers");
yyVal = new NewInitialize ((Expression) yyVals[-4+yyTop], (Arguments) yyVals[-2+yyTop], (CollectionOrObjectInitializers) yyVals[0+yyTop], GetLocation (yyVals[-4+yyTop]));
}
else
yyVal = new New ((Expression) yyVals[-4+yyTop], (Arguments) yyVals[-2+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 489:
#line 3420 "cs-parser.jay"
{
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-1+yyTop]), "collection initializers");
yyVal = new NewInitialize ((Expression) yyVals[-1+yyTop], null, (CollectionOrObjectInitializers) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 490:
#line 3432 "cs-parser.jay"
{
yyVal = new ArrayCreation ((FullNamedExpression) yyVals[-5+yyTop], (List<Expression>) yyVals[-3+yyTop], (string) yyVals[-1+yyTop], (ArrayInitializer) yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop]));
}
break;
case 491:
#line 3436 "cs-parser.jay"
{
if (yyVals[0+yyTop] == null)
Report.Error (1586, GetLocation (yyVals[-2+yyTop]), "Array creation must have array size or array initializer");
yyVal = new ArrayCreation ((FullNamedExpression) yyVals[-2+yyTop], (string) yyVals[-1+yyTop], (ArrayInitializer) yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 492:
#line 3443 "cs-parser.jay"
{
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "implicitly typed arrays");
yyVal = new ImplicitlyTypedArrayCreation ((string) yyVals[-1+yyTop], (ArrayInitializer) yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 493:
#line 3450 "cs-parser.jay"
{
Report.Error (1526, GetLocation (yyVals[-1+yyTop]), "A new expression requires () or [] after type");
yyVal = new ArrayCreation ((FullNamedExpression) yyVals[-1+yyTop], "[]", null, GetLocation (yyVals[-1+yyTop]));
}
break;
case 494:
#line 3458 "cs-parser.jay"
{
++lexer.parsing_type;
}
break;
case 495:
#line 3462 "cs-parser.jay"
{
--lexer.parsing_type;
yyVal = yyVals[0+yyTop];
}
break;
case 496:
#line 3470 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (GetLocation (yyVals[-3+yyTop]), "anonymous types");
else if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "anonymous types");
yyVal = new NewAnonymousType ((List<AnonymousTypeParameter>) yyVals[-1+yyTop], current_container, GetLocation (yyVals[-3+yyTop]));
}
break;
case 499:
#line 3486 "cs-parser.jay"
{ yyVal = null; }
break;
case 501:
#line 3492 "cs-parser.jay"
{
var a = new List<AnonymousTypeParameter> (4);
a.Add ((AnonymousTypeParameter) yyVals[0+yyTop]);
yyVal = a;
}
break;
case 502:
#line 3498 "cs-parser.jay"
{
var a = (List<AnonymousTypeParameter>) yyVals[-2+yyTop];
a.Add ((AnonymousTypeParameter) yyVals[0+yyTop]);
yyVal = a;
}
break;
case 503:
#line 3507 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken)yyVals[-2+yyTop];
yyVal = new AnonymousTypeParameter ((Expression)yyVals[0+yyTop], lt.Value, lt.Location);
}
break;
case 504:
#line 3512 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken)yyVals[0+yyTop];
yyVal = new AnonymousTypeParameter (new SimpleName (lt.Value, lt.Location),
lt.Value, lt.Location);
}
break;
case 505:
#line 3518 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
BaseAccess ba = new BaseAccess (lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
yyVal = new AnonymousTypeParameter (ba, lt.Value, lt.Location);
}
break;
case 506:
#line 3524 "cs-parser.jay"
{
MemberAccess ma = (MemberAccess) yyVals[0+yyTop];
yyVal = new AnonymousTypeParameter (ma, ma.Name, ma.Location);
}
break;
case 507:
#line 3529 "cs-parser.jay"
{
Report.Error (746, lexer.Location,
"Invalid anonymous type member declarator. Anonymous type members must be a member assignment, simple name or member access expression");
yyVal = null;
}
break;
case 508:
#line 3538 "cs-parser.jay"
{
yyVal = "";
}
break;
case 509:
#line 3542 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 510:
#line 3549 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null)
yyVal = "?";
else
yyVal = string.Empty;
}
break;
case 511:
#line 3556 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null)
yyVal = "?" + (string) yyVals[0+yyTop];
else
yyVal = yyVals[0+yyTop];
}
break;
case 513:
#line 3567 "cs-parser.jay"
{
yyVal = (string) yyVals[-1+yyTop] + (string) yyVals[0+yyTop];
}
break;
case 514:
#line 3574 "cs-parser.jay"
{
yyVal = "[]";
}
break;
case 515:
#line 3578 "cs-parser.jay"
{
yyVal = "[" + (string) yyVals[-1+yyTop] + "]";
}
break;
case 516:
#line 3582 "cs-parser.jay"
{
Error_SyntaxError (178, yyToken, "Invalid rank specifier");
yyVal = "[]";
}
break;
case 517:
#line 3590 "cs-parser.jay"
{
yyVal = ",";
}
break;
case 518:
#line 3594 "cs-parser.jay"
{
yyVal = (string) yyVals[-1+yyTop] + ",";
}
break;
case 519:
#line 3601 "cs-parser.jay"
{
yyVal = null;
}
break;
case 520:
#line 3605 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 521:
#line 3612 "cs-parser.jay"
{
yyVal = new ArrayInitializer (0, GetLocation (yyVals[-1+yyTop]));
}
break;
case 522:
#line 3616 "cs-parser.jay"
{
yyVal = new ArrayInitializer ((List<Expression>) yyVals[-2+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 523:
#line 3623 "cs-parser.jay"
{
var list = new List<Expression> (4);
list.Add ((Expression) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 524:
#line 3629 "cs-parser.jay"
{
var list = (List<Expression>) yyVals[-2+yyTop];
list.Add ((Expression) yyVals[0+yyTop]);
yyVal = list;
}
break;
case 525:
#line 3635 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = new List<Expression> ();
}
break;
case 526:
#line 3643 "cs-parser.jay"
{
lexer.TypeOfParsing = true;
}
break;
case 527:
#line 3647 "cs-parser.jay"
{
lexer.TypeOfParsing = false;
Expression type = (Expression)yyVals[-1+yyTop];
if (type == TypeManager.system_void_expr)
yyVal = new TypeOfVoid (GetLocation (yyVals[-4+yyTop]));
else
yyVal = new TypeOf (type, GetLocation (yyVals[-4+yyTop]));
}
break;
case 530:
#line 3661 "cs-parser.jay"
{
Error_TypeExpected (lexer.Location);
yyVal = null;
}
break;
case 531:
#line 3669 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new SimpleName (lt.Value, (int) yyVals[0+yyTop], lt.Location);
}
break;
case 532:
#line 3675 "cs-parser.jay"
{
var lt1 = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
var lt2 = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new QualifiedAliasMember (lt1.Value, lt2.Value, (int) yyVals[0+yyTop], lt1.Location);
}
break;
case 533:
#line 3682 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new MemberAccess ((Expression) yyVals[-2+yyTop], lt.Value, lt.Location);
}
break;
case 534:
#line 3688 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, (int) yyVals[0+yyTop], lt.Location);
}
break;
case 535:
#line 3694 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
MemberName name = (MemberName) yyVals[-3+yyTop];
yyVal = new MemberAccess (name.GetTypeExpression (), lt.Value, (int) yyVals[0+yyTop], lt.Location);
}
break;
case 536:
#line 3704 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (GetLocation (yyVals[0+yyTop]), "generics");
else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[0+yyTop]), "generics");
yyVal = yyVals[0+yyTop];
}
break;
case 537:
#line 3716 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
if (RootContext.Version == LanguageVersion.ISO_1)
Report.FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");
yyVal = lt;
}
break;
case 538:
#line 3726 "cs-parser.jay"
{
yyVal = new SizeOf ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 539:
#line 3733 "cs-parser.jay"
{
yyVal = new CheckedExpr ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 540:
#line 3740 "cs-parser.jay"
{
yyVal = new UnCheckedExpr ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 541:
#line 3747 "cs-parser.jay"
{
Expression deref;
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
deref = new Indirection ((Expression) yyVals[-2+yyTop], lt.Location);
yyVal = new MemberAccess (deref, lt.Value);
}
break;
case 542:
#line 3758 "cs-parser.jay"
{
start_anonymous (false, (ParametersCompiled) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 543:
#line 3762 "cs-parser.jay"
{
yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
}
break;
case 544:
#line 3769 "cs-parser.jay"
{
yyVal = ParametersCompiled.Undefined;
}
break;
case 546:
#line 3777 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out;
}
break;
case 547:
#line 3781 "cs-parser.jay"
{
valid_param_mod = 0;
yyVal = yyVals[-1+yyTop];
}
break;
case 548:
#line 3789 "cs-parser.jay"
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 550:
#line 3800 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.LogicalNot, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 551:
#line 3804 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.OnesComplement, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 553:
#line 3812 "cs-parser.jay"
{
yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 554:
#line 3816 "cs-parser.jay"
{
yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 556:
#line 3828 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.UnaryPlus, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 557:
#line 3832 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.UnaryNegation, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 558:
#line 3836 "cs-parser.jay"
{
yyVal = new UnaryMutator (UnaryMutator.Mode.PreIncrement, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 559:
#line 3840 "cs-parser.jay"
{
yyVal = new UnaryMutator (UnaryMutator.Mode.PreDecrement, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 560:
#line 3844 "cs-parser.jay"
{
yyVal = new Indirection ((Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 561:
#line 3848 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.AddressOf, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 563:
#line 3856 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Multiply,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 564:
#line 3861 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Division,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 565:
#line 3866 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Modulus,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 567:
#line 3875 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Addition,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 568:
#line 3880 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 569:
#line 3884 "cs-parser.jay"
{
/* Shift/Reduce conflict*/
yyVal = new Binary (Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 570:
#line 3889 "cs-parser.jay"
{
yyVal = new As ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 571:
#line 3893 "cs-parser.jay"
{
yyVal = new Is ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 573:
#line 3901 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.LeftShift,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 574:
#line 3906 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.RightShift,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 576:
#line 3915 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.LessThan,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 577:
#line 3920 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.GreaterThan,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 578:
#line 3925 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.LessThanOrEqual,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 579:
#line 3930 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.GreaterThanOrEqual,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 581:
#line 3939 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Equality,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 582:
#line 3944 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.Inequality,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 584:
#line 3953 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.BitwiseAnd,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 586:
#line 3962 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.ExclusiveOr,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 588:
#line 3971 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.BitwiseOr,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 590:
#line 3980 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.LogicalAnd,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 592:
#line 3989 "cs-parser.jay"
{
yyVal = new Binary (Binary.Operator.LogicalOr,
(Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 594:
#line 3998 "cs-parser.jay"
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-1+yyTop]), "null coalescing operator");
yyVal = new Nullable.NullCoalescingOperator ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 596:
#line 4009 "cs-parser.jay"
{
yyVal = new Conditional (new BooleanExpression ((Expression) yyVals[-4+yyTop]), (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 597:
#line 4016 "cs-parser.jay"
{
yyVal = new SimpleAssign ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 598:
#line 4020 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.Multiply, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 599:
#line 4025 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.Division, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 600:
#line 4030 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.Modulus, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 601:
#line 4035 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.Addition, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 602:
#line 4040 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 603:
#line 4045 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.LeftShift, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 604:
#line 4050 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.RightShift, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 605:
#line 4055 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.BitwiseAnd, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 606:
#line 4060 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.BitwiseOr, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 607:
#line 4065 "cs-parser.jay"
{
yyVal = new CompoundAssign (
Binary.Operator.ExclusiveOr, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
}
break;
case 608:
#line 4073 "cs-parser.jay"
{
var pars = new List<Parameter> (4);
pars.Add ((Parameter) yyVals[0+yyTop]);
yyVal = pars;
}
break;
case 609:
#line 4080 "cs-parser.jay"
{
var pars = (List<Parameter>) yyVals[-2+yyTop];
Parameter p = (Parameter)yyVals[0+yyTop];
if (pars[0].GetType () != p.GetType ()) {
Report.Error (748, p.Location, "All lambda parameters must be typed either explicitly or implicitly");
}
pars.Add (p);
yyVal = pars;
}
break;
case 610:
#line 4094 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Parameter.Modifier) yyVals[-2+yyTop], null, lt.Location);
}
break;
case 611:
#line 4100 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, Parameter.Modifier.NONE, null, lt.Location);
}
break;
case 612:
#line 4106 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
yyVal = new ImplicitLambdaParameter (lt.Value, lt.Location);
}
break;
case 613:
#line 4113 "cs-parser.jay"
{ yyVal = ParametersCompiled.EmptyReadOnlyParameters; }
break;
case 614:
#line 4114 "cs-parser.jay"
{
var pars_list = (List<Parameter>) yyVals[0+yyTop];
yyVal = new ParametersCompiled (compiler, pars_list.ToArray ());
}
break;
case 615:
#line 4121 "cs-parser.jay"
{
start_block (lexer.Location);
}
break;
case 616:
#line 4125 "cs-parser.jay"
{
Block b = end_block (lexer.Location);
b.AddStatement (new ContextualReturn ((Expression) yyVals[0+yyTop]));
yyVal = b;
}
break;
case 617:
#line 4130 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 618:
#line 4137 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
start_anonymous (true, new ParametersCompiled (compiler, p), GetLocation (yyVals[-1+yyTop]));
}
break;
case 619:
#line 4143 "cs-parser.jay"
{
yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
}
break;
case 620:
#line 4147 "cs-parser.jay"
{
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[0+yyTop]), "lambda expressions");
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out;
}
break;
case 621:
#line 4154 "cs-parser.jay"
{
valid_param_mod = 0;
start_anonymous (true, (ParametersCompiled) yyVals[-2+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 622:
#line 4159 "cs-parser.jay"
{
yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
}
break;
case 629:
#line 4181 "cs-parser.jay"
{
yyVal = new BooleanExpression ((Expression) yyVals[0+yyTop]);
}
break;
case 630:
#line 4194 "cs-parser.jay"
{
lexer.ConstraintsParsing = true;
}
break;
case 631:
#line 4198 "cs-parser.jay"
{
MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
push_current_class (new Class (current_namespace, current_class, name, (Modifiers) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
}
break;
case 632:
#line 4204 "cs-parser.jay"
{
lexer.ConstraintsParsing = false;
current_class.SetParameterInfo ((List<Constraints>) yyVals[0+yyTop]);
if (RootContext.Documentation != null) {
current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
break;
case 633:
#line 4215 "cs-parser.jay"
{
--lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
break;
case 634:
#line 4221 "cs-parser.jay"
{
yyVal = pop_current_class ();
}
break;
case 635:
#line 4228 "cs-parser.jay"
{ yyVal = null; }
break;
case 636:
#line 4230 "cs-parser.jay"
{ yyVal = yyVals[0+yyTop]; }
break;
case 637:
#line 4234 "cs-parser.jay"
{ yyVal = (int) 0; }
break;
case 640:
#line 4241 "cs-parser.jay"
{
var m1 = (Modifiers) yyVals[-1+yyTop];
var m2 = (Modifiers) yyVals[0+yyTop];
if ((m1 & m2) != 0) {
Location l = lexer.Location;
Report.Error (1004, l, "Duplicate `{0}' modifier", ModifiersExtensions.Name (m2));
}
yyVal = m1 | m2;
}
break;
case 641:
#line 4255 "cs-parser.jay"
{
yyVal = Modifiers.NEW;
if (current_container == RootContext.ToplevelTypes)
Report.Error (1530, GetLocation (yyVals[0+yyTop]), "Keyword `new' is not allowed on namespace elements");
}
break;
case 642:
#line 4260 "cs-parser.jay"
{ yyVal = Modifiers.PUBLIC; }
break;
case 643:
#line 4261 "cs-parser.jay"
{ yyVal = Modifiers.PROTECTED; }
break;
case 644:
#line 4262 "cs-parser.jay"
{ yyVal = Modifiers.INTERNAL; }
break;
case 645:
#line 4263 "cs-parser.jay"
{ yyVal = Modifiers.PRIVATE; }
break;
case 646:
#line 4264 "cs-parser.jay"
{ yyVal = Modifiers.ABSTRACT; }
break;
case 647:
#line 4265 "cs-parser.jay"
{ yyVal = Modifiers.SEALED; }
break;
case 648:
#line 4266 "cs-parser.jay"
{ yyVal = Modifiers.STATIC; }
break;
case 649:
#line 4267 "cs-parser.jay"
{ yyVal = Modifiers.READONLY; }
break;
case 650:
#line 4268 "cs-parser.jay"
{ yyVal = Modifiers.VIRTUAL; }
break;
case 651:
#line 4269 "cs-parser.jay"
{ yyVal = Modifiers.OVERRIDE; }
break;
case 652:
#line 4270 "cs-parser.jay"
{ yyVal = Modifiers.EXTERN; }
break;
case 653:
#line 4271 "cs-parser.jay"
{ yyVal = Modifiers.VOLATILE; }
break;
case 654:
#line 4272 "cs-parser.jay"
{ yyVal = Modifiers.UNSAFE; }
break;
case 657:
#line 4282 "cs-parser.jay"
{
current_container.AddBasesForPart (current_class, (List<FullNamedExpression>) yyVals[0+yyTop]);
}
break;
case 658:
#line 4288 "cs-parser.jay"
{ yyVal = null; }
break;
case 659:
#line 4290 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 660:
#line 4297 "cs-parser.jay"
{
var constraints = new List<Constraints> (1);
constraints.Add ((Constraints) yyVals[0+yyTop]);
yyVal = constraints;
}
break;
case 661:
#line 4303 "cs-parser.jay"
{
var constraints = (List<Constraints>) yyVals[-1+yyTop];
Constraints new_constraint = (Constraints)yyVals[0+yyTop];
foreach (Constraints c in constraints) {
if (new_constraint.TypeParameter.Value == c.TypeParameter.Value) {
Report.Error (409, new_constraint.Location,
"A constraint clause has already been specified for type parameter `{0}'",
new_constraint.TypeParameter.Value);
}
}
constraints.Add (new_constraint);
yyVal = constraints;
}
break;
case 662:
#line 4322 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new Constraints (new SimpleMemberName (lt.Value, lt.Location), (List<FullNamedExpression>) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 663:
#line 4330 "cs-parser.jay"
{
var constraints = new List<FullNamedExpression> (1);
constraints.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = constraints;
}
break;
case 664:
#line 4336 "cs-parser.jay"
{
var constraints = (List<FullNamedExpression>) yyVals[-2+yyTop];
var prev = constraints [constraints.Count - 1] as SpecialContraintExpr;
if (prev != null && (prev.Constraint & SpecialConstraint.Constructor) != 0) {
Report.Error (401, GetLocation (yyVals[-1+yyTop]), "The `new()' constraint must be the last constraint specified");
}
prev = yyVals[0+yyTop] as SpecialContraintExpr;
if (prev != null) {
if ((prev.Constraint & (SpecialConstraint.Class | SpecialConstraint.Struct)) != 0) {
Report.Error (449, prev.Location, "The `class' or `struct' constraint must be the first constraint specified");
} else {
prev = constraints [0] as SpecialContraintExpr;
if (prev != null && (prev.Constraint & SpecialConstraint.Struct) != 0) {
Report.Error (451, GetLocation (yyVals[0+yyTop]), "The `new()' constraint cannot be used with the `struct' constraint");
}
}
}
constraints.Add ((FullNamedExpression) yyVals[0+yyTop]);
yyVal = constraints;
}
break;
case 665:
#line 4362 "cs-parser.jay"
{
if (yyVals[0+yyTop] is ComposedCast)
Report.Error (706, GetLocation (yyVals[0+yyTop]), "Invalid constraint type `{0}'", ((ComposedCast)yyVals[0+yyTop]).GetSignatureForError ());
yyVal = yyVals[0+yyTop];
}
break;
case 666:
#line 4369 "cs-parser.jay"
{
yyVal = new SpecialContraintExpr (SpecialConstraint.Constructor, GetLocation (yyVals[-2+yyTop]));
}
break;
case 667:
#line 4373 "cs-parser.jay"
{
yyVal = new SpecialContraintExpr (SpecialConstraint.Class, GetLocation (yyVals[0+yyTop]));
}
break;
case 668:
#line 4377 "cs-parser.jay"
{
yyVal = new SpecialContraintExpr (SpecialConstraint.Struct, GetLocation (yyVals[0+yyTop]));
}
break;
case 669:
#line 4384 "cs-parser.jay"
{
yyVal = Variance.None;
}
break;
case 670:
#line 4388 "cs-parser.jay"
{
if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
Report.FeatureIsNotSupported (lexer.Location, "generic type variance");
else if (RootContext.Version <= LanguageVersion.V_3)
Report.FeatureIsNotAvailable (lexer.Location, "generic type variance");
yyVal = yyVals[0+yyTop];
}
break;
case 671:
#line 4400 "cs-parser.jay"
{
yyVal = Variance.Covariant;
}
break;
case 672:
#line 4404 "cs-parser.jay"
{
yyVal = Variance.Contravariant;
}
break;
case 673:
#line 4424 "cs-parser.jay"
{
++lexer.parsing_block;
start_block (GetLocation (yyVals[0+yyTop]));
}
break;
case 674:
#line 4429 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 675:
#line 4436 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = end_block (GetLocation (yyVals[0+yyTop]));
}
break;
case 676:
#line 4441 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = end_block (lexer.Location);
}
break;
case 677:
#line 4450 "cs-parser.jay"
{
++lexer.parsing_block;
current_block.StartLocation = GetLocation (yyVals[0+yyTop]);
}
break;
case 678:
#line 4455 "cs-parser.jay"
{
--lexer.parsing_block;
yyVal = end_block (GetLocation (yyVals[0+yyTop]));
}
break;
case 683:
#line 4473 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null && (Block) yyVals[0+yyTop] != current_block){
current_block.AddStatement ((Statement) yyVals[0+yyTop]);
current_block = (Block) yyVals[0+yyTop];
}
}
break;
case 684:
#line 4480 "cs-parser.jay"
{
current_block.AddStatement ((Statement) yyVals[0+yyTop]);
}
break;
case 688:
#line 4499 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null && (Block) yyVals[0+yyTop] != current_block){
current_block.AddStatement ((Statement) yyVals[0+yyTop]);
current_block = (Block) yyVals[0+yyTop];
}
}
break;
case 689:
#line 4506 "cs-parser.jay"
{
current_block.AddStatement ((Statement) yyVals[0+yyTop]);
}
break;
case 718:
#line 4547 "cs-parser.jay"
{
Report.Error (1023, GetLocation (yyVals[0+yyTop]), "An embedded statement may not be a declaration or labeled statement");
yyVal = null;
}
break;
case 719:
#line 4552 "cs-parser.jay"
{
Report.Error (1023, GetLocation (yyVals[0+yyTop]), "An embedded statement may not be a declaration or labeled statement");
yyVal = null;
}
break;
case 720:
#line 4560 "cs-parser.jay"
{
yyVal = new EmptyStatement (GetLocation (yyVals[0+yyTop]));
}
break;
case 721:
#line 4567 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
LabeledStatement labeled = new LabeledStatement (lt.Value, lt.Location);
if (current_block.AddLabel (labeled))
current_block.AddStatement (labeled);
}
break;
case 723:
#line 4579 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null){
var de = (Tuple<FullNamedExpression, List<object>>) yyVals[-1+yyTop];
yyVal = declare_local_variables (de.Item1, de.Item2, de.Item1.Location);
}
}
break;
case 724:
#line 4587 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null){
var de = (Tuple<FullNamedExpression, List<object>>) yyVals[-1+yyTop];
yyVal = declare_local_constants (de.Item1, de.Item2);
}
}
break;
case 725:
#line 4604 "cs-parser.jay"
{
/* FIXME: Do something smart here regarding the composition of the type.*/
/* Ok, the above "primary_expression" is there to get rid of*/
/* both reduce/reduce and shift/reduces in the grammar, it should*/
/* really just be "type_name". If you use type_name, a reduce/reduce*/
/* creeps up. If you use namespace_or_type_name (which is all we need*/
/* really) two shift/reduces appear.*/
/* */
/* So the super-trick is that primary_expression*/
/* can only be either a SimpleName or a MemberAccess. */
/* The MemberAccess case arises when you have a fully qualified type-name like :*/
/* Foo.Bar.Blah i;*/
/* SimpleName is when you have*/
/* Blah i;*/
Expression expr = (Expression) yyVals[-1+yyTop];
string rank_or_nullable = (string) yyVals[0+yyTop];
if (expr is ComposedCast){
yyVal = new ComposedCast ((ComposedCast)expr, rank_or_nullable);
} else if (expr is ATypeNameExpression){
/**/
/* So we extract the string corresponding to the SimpleName*/
/* or MemberAccess*/
/**/
if (rank_or_nullable.Length == 0) {
SimpleName sn = expr as SimpleName;
if (sn != null && sn.Name == "var")
yyVal = new VarExpr (sn.Location);
else
yyVal = yyVals[-1+yyTop];
} else {
yyVal = new ComposedCast ((ATypeNameExpression)expr, rank_or_nullable);
}
} else {
Error_ExpectingTypeName (expr);
yyVal = TypeManager.system_object_expr;
}
}
break;
case 726:
#line 4646 "cs-parser.jay"
{
if ((string) yyVals[0+yyTop] == "")
yyVal = yyVals[-1+yyTop];
else
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], (string) yyVals[0+yyTop], lexer.Location);
}
break;
case 727:
#line 4653 "cs-parser.jay"
{
Expression.Error_VoidInvalidInTheContext (GetLocation (yyVals[-1+yyTop]), Report);
yyVal = TypeManager.system_void_expr;
}
break;
case 728:
#line 4661 "cs-parser.jay"
{
ATypeNameExpression expr = yyVals[-1+yyTop] as ATypeNameExpression;
if (expr != null) {
yyVal = new ComposedCast (expr, "*");
} else {
Error_ExpectingTypeName ((Expression)yyVals[-1+yyTop]);
yyVal = expr;
}
}
break;
case 729:
#line 4672 "cs-parser.jay"
{
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*", GetLocation (yyVals[-1+yyTop]));
}
break;
case 730:
#line 4676 "cs-parser.jay"
{
yyVal = new ComposedCast (TypeManager.system_void_expr, "*", GetLocation (yyVals[-1+yyTop]));
}
break;
case 731:
#line 4680 "cs-parser.jay"
{
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*");
}
break;
case 733:
#line 4688 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null){
string rank = (string)yyVals[0+yyTop];
if (rank == "")
yyVal = yyVals[-1+yyTop];
else
yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], rank);
} else {
yyVal = null;
}
}
break;
case 734:
#line 4704 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null) {
VarExpr ve = yyVals[-1+yyTop] as VarExpr;
if (ve != null) {
if (!((VariableDeclaration) ((List<object>)yyVals[0+yyTop]) [0]).HasInitializer)
ve.VariableInitializersCount = 0;
else
ve.VariableInitializersCount = ((List<object>)yyVals[0+yyTop]).Count;
}
yyVal = new Tuple<FullNamedExpression, List<object>> ((FullNamedExpression) yyVals[-1+yyTop], (List<object>) yyVals[0+yyTop]);
} else
yyVal = null;
}
break;
case 735:
#line 4722 "cs-parser.jay"
{
if (yyVals[-1+yyTop] != null)
yyVal = new Tuple<FullNamedExpression, List<object>> ((FullNamedExpression) yyVals[-1+yyTop], (List<object>) yyVals[0+yyTop]);
else
yyVal = null;
}
break;
case 736:
#line 4731 "cs-parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 737:
#line 4732 "cs-parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 738:
#line 4736 "cs-parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 739:
#line 4737 "cs-parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 740:
#line 4746 "cs-parser.jay"
{
ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
if (s == null) {
Expression.Error_InvalidExpressionStatement (Report, GetLocation (yyVals[0+yyTop]));
s = EmptyExpressionStatement.Instance;
}
yyVal = new StatementExpression (s);
}
break;
case 741:
#line 4756 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = null;
}
break;
case 742:
#line 4764 "cs-parser.jay"
{
Expression expr = (Expression) yyVals[0+yyTop];
ExpressionStatement s;
s = new OptionalAssign (new SimpleName ("$retval", lexer.Location), expr, lexer.Location);
yyVal = new StatementExpression (s);
}
break;
case 743:
#line 4772 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = new EmptyStatement (GetLocation (yyVals[0+yyTop]));
}
break;
case 746:
#line 4786 "cs-parser.jay"
{
if (yyVals[0+yyTop] is EmptyStatement)
Report.Warning (642, 3, GetLocation (yyVals[0+yyTop]), "Possible mistaken empty statement");
yyVal = new If ((BooleanExpression) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 747:
#line 4794 "cs-parser.jay"
{
yyVal = new If ((BooleanExpression) yyVals[-4+yyTop], (Statement) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], GetLocation (yyVals[-6+yyTop]));
if (yyVals[-2+yyTop] is EmptyStatement)
Report.Warning (642, 3, GetLocation (yyVals[-2+yyTop]), "Possible mistaken empty statement");
if (yyVals[0+yyTop] is EmptyStatement)
Report.Warning (642, 3, GetLocation (yyVals[0+yyTop]), "Possible mistaken empty statement");
}
break;
case 748:
#line 4806 "cs-parser.jay"
{
if (switch_stack == null)
switch_stack = new Stack<Block> (2);
switch_stack.Push (current_block);
}
break;
case 749:
#line 4813 "cs-parser.jay"
{
yyVal = new Switch ((Expression) yyVals[-2+yyTop], (List<SwitchSection>) yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop]));
current_block = (Block) switch_stack.Pop ();
}
break;
case 750:
#line 4823 "cs-parser.jay"
{
yyVal = yyVals[-1+yyTop];
}
break;
case 751:
#line 4830 "cs-parser.jay"
{
Report.Warning (1522, 1, lexer.Location, "Empty switch block");
yyVal = new List<SwitchSection> ();
}
break;
case 753:
#line 4839 "cs-parser.jay"
{
var sections = new List<SwitchSection> (4);
sections.Add ((SwitchSection) yyVals[0+yyTop]);
yyVal = sections;
}
break;
case 754:
#line 4846 "cs-parser.jay"
{
var sections = (List<SwitchSection>) yyVals[-1+yyTop];
sections.Add ((SwitchSection) yyVals[0+yyTop]);
yyVal = sections;
}
break;
case 755:
#line 4856 "cs-parser.jay"
{
current_block = current_block.CreateSwitchBlock (lexer.Location);
}
break;
case 756:
#line 4860 "cs-parser.jay"
{
yyVal = new SwitchSection ((List<SwitchLabel>) yyVals[-2+yyTop], current_block.Explicit);
}
break;
case 757:
#line 4867 "cs-parser.jay"
{
var labels = new List<SwitchLabel> (4);
labels.Add ((SwitchLabel) yyVals[0+yyTop]);
yyVal = labels;
}
break;
case 758:
#line 4874 "cs-parser.jay"
{
var labels = (List<SwitchLabel>) (yyVals[-1+yyTop]);
labels.Add ((SwitchLabel) yyVals[0+yyTop]);
yyVal = labels;
}
break;
case 759:
#line 4884 "cs-parser.jay"
{
yyVal = new SwitchLabel ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 760:
#line 4888 "cs-parser.jay"
{
yyVal = new SwitchLabel (null, GetLocation (yyVals[0+yyTop]));
}
break;
case 765:
#line 4902 "cs-parser.jay"
{
Location l = GetLocation (yyVals[-4+yyTop]);
yyVal = new While ((BooleanExpression) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);
}
break;
case 766:
#line 4911 "cs-parser.jay"
{
Location l = GetLocation (yyVals[-6+yyTop]);
yyVal = new Do ((Statement) yyVals[-5+yyTop], (BooleanExpression) yyVals[-2+yyTop], l);
}
break;
case 767:
#line 4920 "cs-parser.jay"
{
Location l = lexer.Location;
start_block (l);
Block assign_block = current_block;
if (yyVals[-1+yyTop] is Tuple<FullNamedExpression, List<object>>){
var de = (Tuple<FullNamedExpression, List<object>>) yyVals[-1+yyTop];
var type = de.Item1;
foreach (VariableDeclaration decl in de.Item2){
LocalInfo vi;
vi = current_block.AddVariable (type, decl.identifier, decl.Location);
if (vi == null)
continue;
Expression expr = decl.GetInitializer (type);
LocalVariableReference var;
var = new LocalVariableReference (assign_block, decl.identifier, l);
if (expr != null) {
Assign a = new SimpleAssign (var, expr, decl.Location);
assign_block.AddStatement (new StatementExpression (a));
}
}
/* Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.*/
/* This can be referred to as $5 below.*/
yyVal = null;
} else {
yyVal = yyVals[-1+yyTop];
}
}
break;
case 768:
#line 4960 "cs-parser.jay"
{
Location l = GetLocation (yyVals[-9+yyTop]);
For f = new For ((Statement) yyVals[-5+yyTop], (BooleanExpression) yyVals[-4+yyTop], (Statement) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);
current_block.AddStatement (f);
yyVal = end_block (lexer.Location);
}
break;
case 769:
#line 4972 "cs-parser.jay"
{ yyVal = new EmptyStatement (lexer.Location); }
break;
case 773:
#line 4982 "cs-parser.jay"
{ yyVal = null; }
break;
case 775:
#line 4987 "cs-parser.jay"
{ yyVal = new EmptyStatement (lexer.Location); }
break;
case 778:
#line 4997 "cs-parser.jay"
{
/* CHANGE: was `null'*/
Statement s = (Statement) yyVals[0+yyTop];
Block b = new Block (current_block, s.loc, lexer.Location);
b.AddStatement (s);
yyVal = b;
}
break;
case 779:
#line 5006 "cs-parser.jay"
{
Block b = (Block) yyVals[-2+yyTop];
b.AddStatement ((Statement) yyVals[0+yyTop]);
yyVal = yyVals[-2+yyTop];
}
break;
case 780:
#line 5016 "cs-parser.jay"
{
Report.Error (230, GetLocation (yyVals[-5+yyTop]), "Type and identifier are both required in a foreach statement");
yyVal = null;
}
break;
case 781:
#line 5022 "cs-parser.jay"
{
start_block (lexer.Location);
Block foreach_block = current_block;
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
Location l = lt.Location;
LocalInfo vi = foreach_block.AddVariable ((Expression) yyVals[-4+yyTop], lt.Value, l);
if (vi != null) {
vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Foreach);
/* Get a writable reference to this read-only variable.*/
/**/
/* Note that the $$ here refers to the value of _this_ code block,*/
/* not the value of the LHS non-terminal. This can be referred to as $8 below.*/
yyVal = new LocalVariableReference (foreach_block, lt.Value, l, vi, false);
} else {
yyVal = null;
}
}
break;
case 782:
#line 5042 "cs-parser.jay"
{
LocalVariableReference v = (LocalVariableReference) yyVals[-1+yyTop];
Location l = GetLocation (yyVals[-8+yyTop]);
if (v != null) {
Foreach f = new Foreach ((Expression) yyVals[-6+yyTop], v, (Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], l);
current_block.AddStatement (f);
}
yyVal = end_block (lexer.Location);
}
break;
case 789:
#line 5066 "cs-parser.jay"
{
yyVal = new Break (GetLocation (yyVals[-1+yyTop]));
}
break;
case 790:
#line 5073 "cs-parser.jay"
{
yyVal = new Continue (GetLocation (yyVals[-1+yyTop]));
}
break;
case 791:
#line 5080 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-1+yyTop];
yyVal = new Goto (lt.Value, lt.Location);
}
break;
case 792:
#line 5085 "cs-parser.jay"
{
yyVal = new GotoCase ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 793:
#line 5089 "cs-parser.jay"
{
yyVal = new GotoDefault (GetLocation (yyVals[-2+yyTop]));
}
break;
case 794:
#line 5096 "cs-parser.jay"
{
yyVal = new Return ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 795:
#line 5103 "cs-parser.jay"
{
yyVal = new Throw ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
}
break;
case 796:
#line 5110 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
string s = lt.Value;
if (s != "yield"){
Report.Error (1003, lt.Location, "; expected");
yyVal = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
Report.FeatureIsNotAvailable (lt.Location, "yield statement");
yyVal = null;
}
current_block.Toplevel.IsIterator = true;
yyVal = new Yield ((Expression) yyVals[-1+yyTop], lt.Location);
}
break;
case 797:
#line 5125 "cs-parser.jay"
{
Report.Error (1627, GetLocation (yyVals[-1+yyTop]), "Expression expected after yield return");
yyVal = null;
}
break;
case 798:
#line 5130 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
string s = lt.Value;
if (s != "yield"){
Report.Error (1003, lt.Location, "; expected");
yyVal = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
Report.FeatureIsNotAvailable (lt.Location, "yield statement");
yyVal = null;
}
current_block.Toplevel.IsIterator = true;
yyVal = new YieldBreak (lt.Location);
}
break;
case 801:
#line 5154 "cs-parser.jay"
{
yyVal = new TryCatch ((Block) yyVals[-1+yyTop], (List<Catch>) yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]), false);
}
break;
case 802:
#line 5158 "cs-parser.jay"
{
yyVal = new TryFinally ((Statement) yyVals[-2+yyTop], (Block) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 803:
#line 5162 "cs-parser.jay"
{
yyVal = new TryFinally (new TryCatch ((Block) yyVals[-3+yyTop], (List<Catch>) yyVals[-2+yyTop], GetLocation (yyVals[-4+yyTop]), true), (Block) yyVals[0+yyTop], GetLocation (yyVals[-4+yyTop]));
}
break;
case 804:
#line 5166 "cs-parser.jay"
{
Report.Error (1524, GetLocation (yyVals[-2+yyTop]), "Expected catch or finally");
yyVal = null;
}
break;
case 805:
#line 5174 "cs-parser.jay"
{
var l = new List<Catch> (2);
l.Add ((Catch) yyVals[0+yyTop]);
yyVal = l;
}
break;
case 806:
#line 5181 "cs-parser.jay"
{
var l = (List<Catch>) yyVals[-1+yyTop];
Catch c = (Catch) yyVals[0+yyTop];
if (l [0].IsGeneral) {
Report.Error (1017, c.loc, "Try statement already has an empty catch block");
} else {
if (c.IsGeneral)
l.Insert (0, c);
else
l.Add (c);
}
yyVal = l;
}
break;
case 807:
#line 5199 "cs-parser.jay"
{ yyVal = null; }
break;
case 809:
#line 5205 "cs-parser.jay"
{
if (yyVals[0+yyTop] != null) {
var cc = (Tuple<FullNamedExpression, Tokenizer.LocatedToken>) yyVals[0+yyTop];
var lt = cc.Item2;
if (lt != null){
List<object> one = new List<object> (1);
one.Add (new VariableDeclaration (lt, null));
start_block (lexer.Location);
current_block = declare_local_variables (cc.Item1, one, lt.Location);
}
}
}
break;
case 810:
#line 5219 "cs-parser.jay"
{
Expression type = null;
string id = null;
Block var_block = null;
if (yyVals[-2+yyTop] != null){
var cc = (Tuple<FullNamedExpression, Tokenizer.LocatedToken>) yyVals[-2+yyTop];
type = cc.Item1;
var lt = cc.Item2;
if (lt != null){
id = lt.Value;
var_block = end_block (lexer.Location);
}
}
yyVal = new Catch (type, id, (Block) yyVals[0+yyTop], var_block, ((Block) yyVals[0+yyTop]).loc);
}
break;
case 811:
#line 5240 "cs-parser.jay"
{ yyVal = null; }
break;
case 813:
#line 5246 "cs-parser.jay"
{
yyVal = new Tuple<FullNamedExpression, Tokenizer.LocatedToken> ((FullNamedExpression)yyVals[-2+yyTop], (Tokenizer.LocatedToken) yyVals[-1+yyTop]);
}
break;
case 814:
#line 5250 "cs-parser.jay"
{
Report.Error (1015, GetLocation (yyVals[-1+yyTop]), "A type that derives from `System.Exception', `object', or `string' expected");
yyVal = null;
}
break;
case 815:
#line 5258 "cs-parser.jay"
{
yyVal = new Checked ((Block) yyVals[0+yyTop]);
}
break;
case 816:
#line 5265 "cs-parser.jay"
{
yyVal = new Unchecked ((Block) yyVals[0+yyTop]);
}
break;
case 817:
#line 5272 "cs-parser.jay"
{
RootContext.CheckUnsafeOption (GetLocation (yyVals[0+yyTop]), Report);
}
break;
case 818:
#line 5274 "cs-parser.jay"
{
yyVal = new Unsafe ((Block) yyVals[0+yyTop]);
}
break;
case 819:
#line 5283 "cs-parser.jay"
{
start_block (lexer.Location);
}
break;
case 820:
#line 5287 "cs-parser.jay"
{
Expression type = (Expression) yyVals[-4+yyTop];
var list = (List<KeyValuePair<Tokenizer.LocatedToken, Expression>>) yyVals[-3+yyTop];
Fixed f = new Fixed (type,
list.ConvertAll (i => {
var v = new KeyValuePair<LocalInfo, Expression> (current_block.AddVariable (type, i.Key.Value, i.Key.Location), i.Value);
if (v.Key != null) {
v.Key.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
v.Key.Pinned = true;
}
return v;
}), (Statement) yyVals[0+yyTop], GetLocation (yyVals[-6+yyTop]));
current_block.AddStatement (f);
yyVal = end_block (lexer.Location);
}
break;
case 821:
#line 5307 "cs-parser.jay"
{
var declarators = new List<KeyValuePair<Tokenizer.LocatedToken, Expression>> (2);
if (yyVals[0+yyTop] != null)
declarators.Add ((KeyValuePair<Tokenizer.LocatedToken, Expression>)yyVals[0+yyTop]);
yyVal = declarators;
}
break;
case 822:
#line 5314 "cs-parser.jay"
{
var declarators = (List<KeyValuePair<Tokenizer.LocatedToken, Expression>>) yyVals[-2+yyTop];
if (yyVals[0+yyTop] != null)
declarators.Add ((KeyValuePair<Tokenizer.LocatedToken, Expression>)yyVals[0+yyTop]);
yyVal = declarators;
}
break;
case 823:
#line 5324 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new KeyValuePair<Tokenizer.LocatedToken, Expression> (lt, (Expression) yyVals[0+yyTop]);
}
break;
case 824:
#line 5329 "cs-parser.jay"
{
Report.Error (210, ((Tokenizer.LocatedToken) yyVals[0+yyTop]).Location, "You must provide an initializer in a fixed or using statement declaration");
yyVal = null;
}
break;
case 825:
#line 5337 "cs-parser.jay"
{
/**/
}
break;
case 826:
#line 5341 "cs-parser.jay"
{
yyVal = new Lock ((Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop]));
}
break;
case 827:
#line 5348 "cs-parser.jay"
{
start_block (lexer.Location);
Block assign_block = current_block;
var de = (Tuple<FullNamedExpression, List<object>>) yyVals[-1+yyTop];
Location l = GetLocation (yyVals[-3+yyTop]);
var vars = new Stack<Tuple<LocalVariableReference, Expression>> ();
foreach (VariableDeclaration decl in de.Item2) {
LocalInfo vi = current_block.AddVariable (de.Item1, decl.identifier, decl.Location);
if (vi == null)
continue;
vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Using);
Expression expr = decl.GetInitializer (de.Item1);
if (expr == null) {
Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
continue;
}
LocalVariableReference var;
/* Get a writable reference to this read-only variable.*/
var = new LocalVariableReference (assign_block, decl.identifier, l, vi, false);
/* This is so that it is not a warning on using variables*/
vi.Used = true;
vars.Push (new Tuple<LocalVariableReference, Expression> (var, expr));
/* Assign a = new SimpleAssign (var, expr, decl.Location);*/
/* assign_block.AddStatement (new StatementExpression (a));*/
}
/* Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.*/
/* It can be referred to as $5 below.*/
yyVal = vars;
}
break;
case 828:
#line 5387 "cs-parser.jay"
{
Statement stmt = (Statement) yyVals[0+yyTop];
var vars = (Stack<Tuple<LocalVariableReference, Expression>>) yyVals[-1+yyTop];
Location l = GetLocation (yyVals[-5+yyTop]);
while (vars.Count > 0) {
var de = vars.Pop ();
stmt = new Using (de.Item1, de.Item2, stmt, l);
}
current_block.AddStatement (stmt);
yyVal = end_block (lexer.Location);
}
break;
case 829:
#line 5400 "cs-parser.jay"
{
start_block (lexer.Location);
}
break;
case 830:
#line 5404 "cs-parser.jay"
{
current_block.AddStatement (new UsingTemporary ((Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop])));
yyVal = end_block (lexer.Location);
}
break;
case 831:
#line 5415 "cs-parser.jay"
{
lexer.query_parsing = false;
Linq.AQueryClause from = yyVals[-1+yyTop] as Linq.AQueryClause;
from.Tail.Next = (Linq.AQueryClause)yyVals[0+yyTop];
yyVal = from;
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 832:
#line 5427 "cs-parser.jay"
{
Linq.AQueryClause from = yyVals[-1+yyTop] as Linq.AQueryClause;
from.Tail.Next = (Linq.AQueryClause)yyVals[0+yyTop];
yyVal = from;
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 833:
#line 5438 "cs-parser.jay"
{
lexer.query_parsing = false;
yyVal = yyVals[-1+yyTop];
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 834:
#line 5445 "cs-parser.jay"
{
yyVal = yyVals[-1+yyTop];
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 835:
#line 5454 "cs-parser.jay"
{
yyVal = new Linq.QueryExpression (current_block, new Linq.QueryStartClause ((Expression)yyVals[0+yyTop]));
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), GetLocation (yyVals[-3+yyTop]));
}
break;
case 836:
#line 5460 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
yyVal = new Linq.QueryExpression (current_block, new Linq.Cast ((FullNamedExpression)yyVals[-3+yyTop], (Expression)yyVals[0+yyTop]));
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), GetLocation (yyVals[-4+yyTop]));
}
break;
case 837:
#line 5469 "cs-parser.jay"
{
yyVal = new Linq.QueryExpression (current_block, new Linq.QueryStartClause ((Expression)yyVals[0+yyTop]));
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), GetLocation (yyVals[-3+yyTop]));
}
break;
case 838:
#line 5475 "cs-parser.jay"
{
yyVal = new Linq.QueryExpression (current_block, new Linq.Cast ((FullNamedExpression)yyVals[-3+yyTop], (Expression)yyVals[0+yyTop]));
var lt = (Tokenizer.LocatedToken) yyVals[-2+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), GetLocation (yyVals[-4+yyTop]));
}
break;
case 839:
#line 5484 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, GetLocation (yyVals[-2+yyTop]));
}
break;
case 840:
#line 5488 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
var sn = new SimpleMemberName (lt.Value, lt.Location);
yyVal = new Linq.SelectMany (current_block.Toplevel, sn, (Expression)yyVals[0+yyTop]);
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn);
}
break;
case 841:
#line 5499 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, GetLocation (yyVals[-3+yyTop]));
}
break;
case 842:
#line 5503 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
var sn = new SimpleMemberName (lt.Value, lt.Location);
FullNamedExpression type = (FullNamedExpression)yyVals[-4+yyTop];
yyVal = new Linq.SelectMany (current_block.Toplevel, sn, new Linq.Cast (type, (FullNamedExpression)yyVals[0+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn);
}
break;
case 843:
#line 5520 "cs-parser.jay"
{
Linq.AQueryClause head = (Linq.AQueryClause)yyVals[-1+yyTop];
if (yyVals[0+yyTop] != null)
head.Next = (Linq.AQueryClause)yyVals[0+yyTop];
if (yyVals[-2+yyTop] != null) {
Linq.AQueryClause clause = (Linq.AQueryClause)yyVals[-2+yyTop];
clause.Tail.Next = head;
head = clause;
}
yyVal = head;
}
break;
case 845:
#line 5539 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 846:
#line 5543 "cs-parser.jay"
{
yyVal = new Linq.Select (current_block.Toplevel, (Expression)yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 847:
#line 5550 "cs-parser.jay"
{
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Block> ();
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
linq_clause_blocks.Push (current_block);
}
break;
case 848:
#line 5558 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 849:
#line 5565 "cs-parser.jay"
{
yyVal = new Linq.GroupBy (current_block.Toplevel, (Expression)yyVals[-3+yyTop], (ToplevelBlock) linq_clause_blocks.Pop (), (Expression)yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 853:
#line 5581 "cs-parser.jay"
{
((Linq.AQueryClause)yyVals[-1+yyTop]).Tail.Next = (Linq.AQueryClause)yyVals[0+yyTop];
yyVal = yyVals[-1+yyTop];
}
break;
case 859:
#line 5597 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, GetLocation (yyVals[-2+yyTop]));
}
break;
case 860:
#line 5601 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-3+yyTop];
var sn = new SimpleMemberName (lt.Value, lt.Location);
yyVal = new Linq.Let (current_block.Toplevel, current_container, sn, (Expression)yyVals[0+yyTop]);
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn);
}
break;
case 861:
#line 5615 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 862:
#line 5619 "cs-parser.jay"
{
yyVal = new Linq.Where (current_block.Toplevel, (BooleanExpression)yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
}
break;
case 863:
#line 5629 "cs-parser.jay"
{
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Block> ();
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
linq_clause_blocks.Push (current_block);
}
break;
case 864:
#line 5637 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
linq_clause_blocks.Push (current_block);
}
break;
case 865:
#line 5645 "cs-parser.jay"
{
current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
var lt = (Tokenizer.LocatedToken) yyVals[-7+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), lexer.Location);
}
break;
case 866:
#line 5654 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-10+yyTop];
var sn = new SimpleMemberName (lt.Value, lt.Location);
SimpleMemberName sn2 = null;
ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();
if (yyVals[0+yyTop] == null) {
yyVal = new Linq.Join (block, sn, (Expression)yyVals[-7+yyTop], outer_selector, current_block.Toplevel, GetLocation (yyVals[-11+yyTop]));
} else {
var lt2 = (Tokenizer.LocatedToken) yyVals[0+yyTop];
sn2 = new SimpleMemberName (lt2.Value, lt2.Location);
yyVal = new Linq.GroupJoin (block, sn, (Expression)yyVals[-7+yyTop], outer_selector, current_block.Toplevel,
sn2, GetLocation (yyVals[-11+yyTop]));
}
current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
if (sn2 == null)
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn);
else
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn2);
}
break;
case 867:
#line 5681 "cs-parser.jay"
{
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Block> ();
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
linq_clause_blocks.Push (current_block);
}
break;
case 868:
#line 5689 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
linq_clause_blocks.Push (current_block);
}
break;
case 869:
#line 5697 "cs-parser.jay"
{
current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
var lt = (Tokenizer.LocatedToken) yyVals[-7+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), lexer.Location);
}
break;
case 870:
#line 5706 "cs-parser.jay"
{
var lt = (Tokenizer.LocatedToken) yyVals[-10+yyTop];
var sn = new SimpleMemberName (lt.Value, lt.Location);
SimpleMemberName sn2 = null;
ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();
Linq.Cast cast = new Linq.Cast ((FullNamedExpression)yyVals[-11+yyTop], (Expression)yyVals[-7+yyTop]);
if (yyVals[0+yyTop] == null) {
yyVal = new Linq.Join (block, sn, cast, outer_selector, current_block.Toplevel, GetLocation (yyVals[-12+yyTop]));
} else {
var lt2 = (Tokenizer.LocatedToken) yyVals[0+yyTop];
sn2 = new SimpleMemberName (lt2.Value, lt2.Location);
yyVal = new Linq.GroupJoin (block, sn, cast, outer_selector, current_block.Toplevel,
sn2, GetLocation (yyVals[-12+yyTop]));
}
current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
if (sn2 == null)
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn);
else
((Linq.QueryBlock)current_block).AddTransparentParameter (compiler, sn2);
}
break;
case 872:
#line 5737 "cs-parser.jay"
{
yyVal = yyVals[0+yyTop];
}
break;
case 873:
#line 5744 "cs-parser.jay"
{
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 874:
#line 5748 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
yyVal = yyVals[0+yyTop];
}
break;
case 876:
#line 5759 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 877:
#line 5766 "cs-parser.jay"
{
((Linq.AQueryClause)yyVals[-3+yyTop]).Next = (Linq.AQueryClause)yyVals[0+yyTop];
yyVal = yyVals[-3+yyTop];
}
break;
case 879:
#line 5775 "cs-parser.jay"
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
}
break;
case 880:
#line 5782 "cs-parser.jay"
{
((Linq.AQueryClause)yyVals[-3+yyTop]).Tail.Next = (Linq.AQueryClause)yyVals[-1+yyTop];
yyVal = yyVals[-3+yyTop];
}
break;
case 881:
#line 5790 "cs-parser.jay"
{
yyVal = new Linq.OrderByAscending (current_block.Toplevel, (Expression)yyVals[0+yyTop]);
}
break;
case 882:
#line 5794 "cs-parser.jay"
{
yyVal = new Linq.OrderByAscending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);
}
break;
case 883:
#line 5798 "cs-parser.jay"
{
yyVal = new Linq.OrderByDescending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);
}
break;
case 884:
#line 5805 "cs-parser.jay"
{
yyVal = new Linq.ThenByAscending (current_block.Toplevel, (Expression)yyVals[0+yyTop]);
}
break;
case 885:
#line 5809 "cs-parser.jay"
{
yyVal = new Linq.ThenByAscending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);
}
break;
case 886:
#line 5813 "cs-parser.jay"
{
yyVal = new Linq.ThenByDescending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);
}
break;
case 888:
#line 5822 "cs-parser.jay"
{
/* query continuation block is not linked with query block but with block*/
/* before. This means each query can use same range variable names for*/
/* different identifiers.*/
current_block.SetEndLocation (GetLocation (yyVals[-1+yyTop]));
current_block = current_block.Parent;
var lt = (Tokenizer.LocatedToken) yyVals[0+yyTop];
current_block = new Linq.QueryBlock (compiler, current_block, new SimpleMemberName (lt.Value, lt.Location), GetLocation (yyVals[-1+yyTop]));
}
break;
case 889:
#line 5835 "cs-parser.jay"
{
yyVal = new Linq.QueryExpression (current_block, (Linq.AQueryClause)yyVals[0+yyTop]);
}
break;
case 892:
#line 5856 "cs-parser.jay"
{
Evaluator.LoadAliases (current_namespace);
push_current_class (new Class (current_namespace, current_class, new MemberName ("Class" + class_count++),
Modifiers.PUBLIC, null), null);
var baseclass_list = new List<FullNamedExpression> ();
baseclass_list.Add (new TypeExpression (Evaluator.InteractiveBaseClass, lexer.Location));
current_container.AddBasesForPart (current_class, baseclass_list);
/* (ref object retval)*/
Parameter [] mpar = new Parameter [1];
mpar [0] = new Parameter (TypeManager.system_object_expr, "$retval", Parameter.Modifier.REF, null, Location.Null);
ParametersCompiled pars = new ParametersCompiled (compiler, mpar);
current_local_parameters = pars;
Method method = new Method (
current_class,
null, /* generic*/
TypeManager.system_void_expr,
Modifiers.PUBLIC | Modifiers.STATIC,
new MemberName ("Host"),
pars,
null /* attributes */);
oob_stack.Push (method);
++lexer.parsing_block;
start_block (lexer.Location);
}
break;
case 893:
#line 5886 "cs-parser.jay"
{
--lexer.parsing_block;
Method method = (Method) oob_stack.Pop ();
method.Block = (ToplevelBlock) end_block(lexer.Location);
current_container.AddMethod (method);
--lexer.parsing_declaration;
InteractiveResult = pop_current_class ();
current_local_parameters = null;
}
break;
case 894:
#line 5897 "cs-parser.jay"
{
Evaluator.LoadAliases (current_namespace);
}
break;
#line default
}
yyTop -= yyLen[yyN];
yyState = yyStates[yyTop];
int yyM = yyLhs[yyN];
if (yyState == 0 && yyM == 0) {
if (debug != null) debug.shift(0, yyFinal);
yyState = yyFinal;
if (yyToken < 0) {
yyToken = yyLex.advance() ? yyLex.token() : 0;
if (debug != null)
debug.lex(yyState, yyToken,yyname(yyToken), yyLex.value());
}
if (yyToken == 0) {
if (debug != null) debug.accept(yyVal);
return yyVal;
}
goto continue_yyLoop;
}
if (((yyN = yyGindex[yyM]) != 0) && ((yyN += yyState) >= 0)
&& (yyN < yyTable.Length) && (yyCheck[yyN] == yyState))
yyState = yyTable[yyN];
else
yyState = yyDgoto[yyM];
if (debug != null) debug.shift(yyStates[yyTop], yyState);
goto continue_yyLoop;
continue_yyDiscarded: continue; // implements the named-loop continue: 'continue yyDiscarded'
}
continue_yyLoop: continue; // implements the named-loop continue: 'continue yyLoop'
}
public Expression TryInline(ResolveContext rc) {
if (!(Expr is Invocation)) {
return Expr;
}
invocation = (Expr as Invocation);
if (invocation.MethodGroup.BestCandidate == null) {
return Expr;
}
methodSpec = invocation.MethodGroup.BestCandidate;
if (!(methodSpec.MemberDefinition is MethodCore)) {
return Expr;
}
method = methodSpec.MemberDefinition as MemberCore;
methodData = method as IMethodData;
if (methodData.IsInlinable) {
return Expr;
}
TypeSpec returnType = methodData.ReturnType;
ToplevelBlock block = methodData.Block;
if (block.Parameters.Count > 0 || block.TopBlock.NamesCount > 0 && block.TopBlock.LabelsCount > 0) {
return Expr;
}
if (returnType != rc.BuiltinTypes.Void &&
block.Statements.Count == 1 && block.Statements [0] is Return) {
inlineExpr = ((Return)block.Statements [0]).Expr.Clone (new CloneContext());
} else if (returnType == rc.BuiltinTypes.Void) {
Block newBlock = new Block (rc.CurrentBlock, block.StartLocation, block.EndLocation);
foreach (var st in block.Statements) {
newBlock.AddStatement (st.Clone (new CloneContext()));
}
// inlineExpr = newBlock;
}
this.rc = rc;
this.inlineFailed = false;
Expression ret;
inlineExpr.Accept (this);
ret = inlineExpr;
if (inlineFailed) {
return Expr;
}
return ret;
}
private Expression CreateDynamicBinaryOperation(ResolveContext rc)
{
// strip dynamic from all arguments
Arguments.CastDynamicArgs(rc);
TypeSpec binary = rc.Module.PredefinedTypes.PsBinaryOperation.Resolve();
// perform numeric or other type conversion
string binaryMethod = null;
switch (oper)
{
case Binary.Operator.Multiply:
binaryMethod = "Multiply";
break;
case Binary.Operator.Division:
binaryMethod = "Division";
break;
case Binary.Operator.Modulus:
binaryMethod = "Modulus";
break;
case Binary.Operator.Addition:
binaryMethod = "Addition";
break;
case Binary.Operator.Subtraction:
binaryMethod = "Subtraction";
break;
case Binary.Operator.LeftShift:
binaryMethod = "LeftShift";
break;
case Binary.Operator.RightShift:
binaryMethod = "RightShift";
break;
case Binary.Operator.AsURightShift:
binaryMethod = "AsURightShift";
break;
case Binary.Operator.LessThan:
binaryMethod = "LessThan";
break;
case Binary.Operator.GreaterThan:
binaryMethod = "GreaterThan";
break;
case Binary.Operator.LessThanOrEqual:
binaryMethod = "LessThanOrEqual";
break;
case Binary.Operator.GreaterThanOrEqual:
binaryMethod = "GreaterThanOrEqual";
break;
case Binary.Operator.Equality:
binaryMethod = "Equality";
break;
case Binary.Operator.Inequality:
binaryMethod = "Inequality";
break;
case Binary.Operator.AsStrictEquality:
binaryMethod = "AsStrictEquality";
break;
case Binary.Operator.AsStrictInequality:
binaryMethod = "AsStrictInequality";
break;
case Binary.Operator.BitwiseAnd:
binaryMethod = "BitwiseAnd";
break;
case Binary.Operator.ExclusiveOr:
binaryMethod = "ExclusiveOr";
break;
case Binary.Operator.BitwiseOr:
binaryMethod = "BitwiseOr";
break;
// we should never support these
// case Binary.Operator.LogicalAnd:
// binaryMethod = "LogicalAnd";
// break;
// case Binary.Operator.LogicalOr:
// binaryMethod = "LogicalOr";
// break;
case Binary.Operator.AsE4xChild:
binaryMethod = "AsE4xChild";
break;
case Binary.Operator.AsE4xDescendant:
binaryMethod = "AsE4xDescendant";
break;
case Binary.Operator.AsE4xChildAttribute:
binaryMethod = "AsE4xChildAttribute";
break;
case Binary.Operator.AsE4xDescendantAttribute:
binaryMethod = "AsE4xDescendantAttribute";
break;
default:
throw new InvalidOperationException("Unknown binary operation: " + oper);
}
string leftType = GetDynamicBinaryTypeName(Arguments[0].Type);
string rightType = GetDynamicBinaryTypeName(Arguments[1].Type);
// for strict equality checks, just use a single method and check
// types at runtime
if (oper == Binary.Operator.AsStrictEquality ||
oper == Binary.Operator.AsStrictInequality) {
leftType = rightType = "Obj";
}
// append to binary method instead of using overloads
binaryMethod += leftType + rightType;
var ret = new Invocation(new MemberAccess(new TypeExpression(binary, loc), binaryMethod, loc), Arguments).Resolve(rc);
if (ret.Type == rc.BuiltinTypes.Object) {
// cast object to dynamic for return types
ret = new Cast (new TypeExpression (rc.BuiltinTypes.Dynamic, loc), ret, loc).Resolve (rc);
}
return ret;
}
//
// Creates a proxy base method call inside this container for hoisted base member calls
//
public MethodSpec CreateHoistedBaseCallProxy (ResolveContext rc, MethodSpec method)
{
Method proxy_method;
//
// One proxy per base method is enough
//
if (hoisted_base_call_proxies == null) {
hoisted_base_call_proxies = new Dictionary<MethodSpec, Method> ();
proxy_method = null;
} else {
hoisted_base_call_proxies.TryGetValue (method, out proxy_method);
}
if (proxy_method == null) {
string name = CompilerGeneratedContainer.MakeName (method.Name, null, "BaseCallProxy", hoisted_base_call_proxies.Count);
MemberName member_name;
TypeArguments targs = null;
TypeSpec return_type = method.ReturnType;
var local_param_types = method.Parameters.Types;
if (method.IsGeneric) {
//
// Copy all base generic method type parameters info
//
var hoisted_tparams = method.GenericDefinition.TypeParameters;
var tparams = new TypeParameters ();
targs = new TypeArguments ();
targs.Arguments = new TypeSpec[hoisted_tparams.Length];
for (int i = 0; i < hoisted_tparams.Length; ++i) {
var tp = hoisted_tparams[i];
var local_tp = new TypeParameter (tp, null, new MemberName (tp.Name, Location), null);
tparams.Add (local_tp);
targs.Add (new SimpleName (tp.Name, Location));
targs.Arguments[i] = local_tp.Type;
}
member_name = new MemberName (name, tparams, Location);
//
// Mutate any method type parameters from original
// to newly created hoisted version
//
var mutator = new TypeParameterMutator (hoisted_tparams, tparams);
return_type = mutator.Mutate (return_type);
local_param_types = mutator.Mutate (local_param_types);
} else {
member_name = new MemberName (name);
}
var base_parameters = new Parameter[method.Parameters.Count];
for (int i = 0; i < base_parameters.Length; ++i) {
var base_param = method.Parameters.FixedParameters[i];
base_parameters[i] = new Parameter (new TypeExpression (local_param_types [i], Location),
base_param.Name, base_param.ModFlags, null, Location);
base_parameters[i].Resolve (this, i);
}
var cloned_params = ParametersCompiled.CreateFullyResolved (base_parameters, method.Parameters.Types);
if (method.Parameters.HasArglist) {
cloned_params.FixedParameters[0] = new Parameter (null, "__arglist", Parameter.Modifier.NONE, null, Location);
cloned_params.Types[0] = Module.PredefinedTypes.RuntimeArgumentHandle.Resolve ();
}
// Compiler generated proxy
proxy_method = new Method (this, new TypeExpression (return_type, Location),
Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN,
member_name, cloned_params, null);
var block = new ToplevelBlock (Compiler, proxy_method.ParameterInfo, Location) {
IsCompilerGenerated = true
};
var mg = MethodGroupExpr.CreatePredefined (method, method.DeclaringType, Location);
mg.InstanceExpression = new BaseThis (method.DeclaringType, Location);
if (targs != null)
mg.SetTypeArguments (rc, targs);
// Get all the method parameters and pass them as arguments
var real_base_call = new Invocation (mg, block.GetAllParametersArguments ());
Statement statement;
if (method.ReturnType.Kind == MemberKind.Void)
statement = new StatementExpression (real_base_call);
else
statement = new Return (real_base_call, Location);
block.AddStatement (statement);
proxy_method.Block = block;
members.Add (proxy_method);
proxy_method.Define ();
proxy_method.PrepareEmit ();
hoisted_base_call_proxies.Add (method, proxy_method);
}
return proxy_method.Spec;
}
public static bool IsIntrnsic(Invocation invoke)
{
return(false);
}
public override bool Resolve(BlockContext bc)
{
if (bc.CurrentBlock is Linq.QueryBlock)
{
bc.Report.Error(1995, loc,
"The `await' operator may only be used in a query expression within the first collection expression of the initial `from' clause or within the collection expression of a `join' clause");
return(false);
}
if (!base.Resolve(bc))
{
return(false);
}
Arguments args = new Arguments(0);
type = expr.Type;
//
// The await expression is of dynamic type
//
if (type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
result_type = type;
expr = new Invocation(new MemberAccess(expr, "GetAwaiter"), args).Resolve(bc);
return(true);
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.Error(1986, expr.Location,
"The `await' operand type `{0}' must have suitable GetAwaiter method",
expr.Type.GetSignatureForError());
return(false);
}
var awaiter_type = ama.Type;
expr = ama;
//
// Predefined: bool IsCompleted { get; }
//
is_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Property("IsCompleted", bc.Module.Compiler.BuiltinTypes.Bool),
BindingRestriction.InstanceOnly) as PropertySpec;
if (is_completed == null || !is_completed.HasGet)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: GetResult ()
//
// The method return type is also result type of await expression
//
get_result = MemberCache.FindMember(awaiter_type, MemberFilter.Method("GetResult", 0,
ParametersCompiled.EmptyReadOnlyParameters, null),
BindingRestriction.InstanceOnly) as MethodSpec;
if (get_result == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: INotifyCompletion.OnCompleted (System.Action)
//
var nc = bc.Module.PredefinedTypes.INotifyCompletion;
if (nc.Define() && !awaiter_type.ImplementsInterface(nc.TypeSpec, false))
{
bc.Report.Error(4027, loc, "The awaiter type `{0}' must implement interface `{1}'",
awaiter_type.GetSignatureForError(), nc.GetSignatureForError());
return(false);
}
result_type = get_result.ReturnType;
return(true);
}
void case_439()
{
Error_SyntaxError (yyToken);
yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]));
}
void case_438()
{
yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
protected override Expression DoResolve(ResolveContext ec)
{
if (ec.Target == Target.JavaScript)
{
type = ec.BuiltinTypes.Dynamic;
eclass = ExprClass.Value;
return(this);
}
if (Expr is ElementAccess)
{
var elem_access = Expr as ElementAccess;
if (elem_access.Arguments.Count != 1)
{
ec.Report.Error(7021, loc, "delete statement must have only one index argument.");
return(null);
}
var expr = elem_access.Expr.Resolve(ec);
if (expr.Type == null)
{
return(null);
}
if (expr.Type.IsArray)
{
ec.Report.Error(7021, loc, "delete statement not allowed on arrays.");
return(null);
}
if (ec.Target == Target.JavaScript)
{
Expr = Expr.Resolve(ec);
return(this);
}
if (!expr.Type.IsAsDynamicClass && (expr.Type.BuiltinType != BuiltinTypeSpec.Type.Dynamic))
{
ec.Report.Error(7021, loc, "delete statement only allowed on dynamic types or dynamic classes");
return(null);
}
// cast expression to IDynamicClass and invoke __DeleteDynamicValue
var dynClass = new Cast(new MemberAccess(new SimpleName("PlayScript", loc), "IDynamicClass", loc), expr, loc);
removeExpr = new Invocation(new MemberAccess(dynClass, "__DeleteDynamicValue", loc), elem_access.Arguments);
return(removeExpr.Resolve(ec));
}
else if (Expr is MemberAccess)
{
if (ec.Target == Target.JavaScript)
{
Expr = Expr.Resolve(ec);
return(this);
}
var memb_access = Expr as MemberAccess;
var expr = memb_access.LeftExpression.Resolve(ec);
if (expr.Type == null)
{
return(null);
}
if (!expr.Type.IsAsDynamicClass && (expr.Type.BuiltinType != BuiltinTypeSpec.Type.Dynamic))
{
ec.Report.Error(7021, loc, "delete statement only allowed on dynamic types or dynamic classes");
return(null);
}
// cast expression to IDynamicClass and invoke __DeleteDynamicValue
var dynClass = new Cast(new MemberAccess(new SimpleName("PlayScript", loc), "IDynamicClass", loc), expr, loc);
var args = new Arguments(1);
args.Add(new Argument(new StringLiteral(ec.BuiltinTypes, memb_access.Name, loc)));
removeExpr = new Invocation(new MemberAccess(dynClass, "__DeleteDynamicValue", loc), args);
return(removeExpr.Resolve(ec));
}
else
{
// Error is reported elsewhere.
return(null);
}
}
public override bool Resolve(BlockContext bc)
{
if (!base.Resolve(bc))
{
return(false);
}
type = expr.Type;
//
// The task result is of dynamic type
//
if (expr.Type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
throw new NotImplementedException("dynamic await");
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
Arguments args = new Arguments(0);
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.SetPrinter(old);
Error_WrongGetAwaiter(bc, loc, expr.Type);
return(false);
}
var awaiter_type = ama.Type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(awaiter_type, loc);
expr = ama;
//
// Predefined: bool IsCompleted { get; }
//
var is_completed_ma = new MemberAccess(expr, "IsCompleted").Resolve(bc);
if (is_completed_ma != null)
{
is_completed = is_completed_ma as PropertyExpr;
if (is_completed != null && is_completed.Type.BuiltinType == BuiltinTypeSpec.Type.Bool && is_completed.IsInstance && is_completed.Getter != null)
{
// valid
}
else
{
bc.Report.SetPrinter(old);
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: OnCompleted (Action)
//
if (bc.Module.PredefinedTypes.Action.Define())
{
on_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Method("OnCompleted", 0,
ParametersCompiled.CreateFullyResolved(bc.Module.PredefinedTypes.Action.TypeSpec), bc.Module.Compiler.BuiltinTypes.Void),
BindingRestriction.InstanceOnly) as MethodSpec;
if (on_completed == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
//
// Predefined: GetResult ()
//
// The method return type is also result type of await expression
//
get_result = MemberCache.FindMember(awaiter_type, MemberFilter.Method("GetResult", 0,
ParametersCompiled.EmptyReadOnlyParameters, null),
BindingRestriction.InstanceOnly) as MethodSpec;
if (get_result == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
return(true);
}
public override Expression CreateExpressionTree(ResolveContext ec)
{
var invoke = new Invocation(expr, arguments);
return(invoke.CreateExpressionTree(ec));
}
public override bool Resolve (BlockContext ec)
{
bool is_dynamic = expr.Type == InternalType.Dynamic;
if (is_dynamic) {
expr = Convert.ImplicitConversionRequired (ec, expr, TypeManager.ienumerable_type, loc);
} else if (TypeManager.IsNullableType (expr.Type)) {
expr = new Nullable.UnwrapCall (expr).Resolve (ec);
}
var get_enumerator_mg = ResolveGetEnumerator (ec);
if (get_enumerator_mg == null) {
return false;
}
var get_enumerator = get_enumerator_mg.BestCandidate;
enumerator_variable = TemporaryVariableReference.Create (get_enumerator.ReturnType, variable.Block, loc);
enumerator_variable.Resolve (ec);
// Prepare bool MoveNext ()
var move_next_mg = ResolveMoveNext (ec, get_enumerator);
if (move_next_mg == null) {
return false;
}
move_next_mg.InstanceExpression = enumerator_variable;
// Prepare ~T~ Current { get; }
var current_prop = ResolveCurrent (ec, get_enumerator);
if (current_prop == null) {
return false;
}
var current_pe = new PropertyExpr (current_prop, loc) { InstanceExpression = enumerator_variable }.Resolve (ec);
if (current_pe == null)
return false;
VarExpr ve = var_type as VarExpr;
if (ve != null) {
if (is_dynamic) {
// Source type is dynamic, set element type to dynamic too
var_type = new TypeExpression (InternalType.Dynamic, var_type.Location);
} else {
// Infer implicitly typed local variable from foreach enumerable type
var_type = new TypeExpression (current_pe.Type, var_type.Location);
}
} else if (is_dynamic) {
// Explicit cast of dynamic collection elements has to be done at runtime
current_pe = EmptyCast.Create (current_pe, InternalType.Dynamic);
}
var_type = var_type.ResolveAsTypeTerminal (ec, false);
if (var_type == null)
return false;
variable.Type = var_type.Type;
var init = new Invocation (get_enumerator_mg, null);
statement = new While (new BooleanExpression (new Invocation (move_next_mg, null)),
new Body (var_type.Type, variable, current_pe, statement, loc), loc);
var enum_type = enumerator_variable.Type;
//
// Add Dispose method call when enumerator can be IDisposable
//
if (!enum_type.ImplementsInterface (TypeManager.idisposable_type, false)) {
if (!enum_type.IsSealed && !TypeManager.IsValueType (enum_type)) {
//
// Runtime Dispose check
//
var vd = new RuntimeDispose (enumerator_variable.LocalInfo, loc);
vd.Initializer = init;
statement = new Using (vd, statement, loc);
} else {
//
// No Dispose call needed
//
this.init = new SimpleAssign (enumerator_variable, init);
this.init.Resolve (ec);
}
} else {
//
// Static Dispose check
//
var vd = new Using.VariableDeclaration (enumerator_variable.LocalInfo, loc);
vd.Initializer = init;
statement = new Using (vd, statement, loc);
}
return statement.Resolve (ec);
}
public RuntimeDynamicInvocation (Invocation invoke, Compiler.Expression memberExpr)
: base (memberExpr)
{
this.invoke = invoke;
}
public override bool Resolve (EmitContext ec)
{
enumerator_type = TypeManager.ienumerator_type;
if (!ProbeCollectionType (ec, expr.Type)) {
Error_Enumerator ();
return false;
}
bool is_disposable = !enumerator_type.IsSealed ||
TypeManager.ImplementsInterface (enumerator_type, TypeManager.idisposable_type);
VarExpr ve = var_type as VarExpr;
if (ve != null) {
// Infer implicitly typed local variable from foreach enumerable type
var_type = new TypeExpression (get_current.PropertyInfo.PropertyType, var_type.Location);
}
var_type = var_type.ResolveAsTypeTerminal (ec, false);
if (var_type == null)
return false;
enumerator = new TemporaryVariable (enumerator_type, loc);
enumerator.Resolve (ec);
init = new Invocation (get_enumerator, null);
init = init.Resolve (ec);
if (init == null)
return false;
Expression move_next_expr;
{
MemberInfo[] mi = new MemberInfo[] { move_next };
MethodGroupExpr mg = new MethodGroupExpr (mi, var_type.Type, loc);
mg.InstanceExpression = enumerator;
move_next_expr = new Invocation (mg, null);
}
get_current.InstanceExpression = enumerator;
Statement block = new CollectionForeachStatement (
var_type.Type, variable, get_current, statement, loc);
loop = new While (move_next_expr, block, loc);
wrapper = is_disposable ?
(Statement) new DisposableWrapper (this) :
(Statement) new NonDisposableWrapper (this);
return wrapper.Resolve (ec);
}
//
// Creates a proxy base method call inside this container for hoisted base member calls
//
public MethodSpec CreateHoistedBaseCallProxy (ResolveContext rc, MethodSpec method)
{
Method proxy_method;
//
// One proxy per base method is enough
//
if (hoisted_base_call_proxies == null) {
hoisted_base_call_proxies = new Dictionary<MethodSpec, Method> ();
proxy_method = null;
} else {
hoisted_base_call_proxies.TryGetValue (method, out proxy_method);
}
if (proxy_method == null) {
string name = CompilerGeneratedClass.MakeName (method.Name, null, "BaseCallProxy", hoisted_base_call_proxies.Count);
var base_parameters = new Parameter[method.Parameters.Count];
for (int i = 0; i < base_parameters.Length; ++i) {
var base_param = method.Parameters.FixedParameters[i];
base_parameters[i] = new Parameter (new TypeExpression (method.Parameters.Types[i], Location),
base_param.Name, base_param.ModFlags, null, Location);
base_parameters[i].Resolve (this, i);
}
var cloned_params = ParametersCompiled.CreateFullyResolved (base_parameters, method.Parameters.Types);
if (method.Parameters.HasArglist) {
cloned_params.FixedParameters[0] = new Parameter (null, "__arglist", Parameter.Modifier.NONE, null, Location);
cloned_params.Types[0] = Module.PredefinedTypes.RuntimeArgumentHandle.Resolve (Location);
}
GenericMethod generic_method;
MemberName member_name;
if (method.IsGeneric) {
//
// Copy all base generic method type parameters info
//
var hoisted_tparams = method.GenericDefinition.TypeParameters;
var targs = new TypeArguments ();
var type_params = new TypeParameter[hoisted_tparams.Length];
for (int i = 0; i < type_params.Length; ++i) {
var tp = hoisted_tparams[i];
targs.Add (new TypeParameterName (tp.Name, null, Location));
type_params[i] = new TypeParameter (tp, this, null, new MemberName (tp.Name), null);
}
member_name = new MemberName (name, targs, Location);
generic_method = new GenericMethod (NamespaceEntry, this, member_name, type_params,
new TypeExpression (method.ReturnType, Location), cloned_params);
} else {
member_name = new MemberName (name);
generic_method = null;
}
// Compiler generated proxy
proxy_method = new Method (this, generic_method, new TypeExpression (method.ReturnType, Location),
Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN,
member_name, cloned_params, null);
var block = new ToplevelBlock (Compiler, proxy_method.ParameterInfo, Location);
var mg = MethodGroupExpr.CreatePredefined (method, method.DeclaringType, Location);
mg.InstanceExpression = new BaseThis (method.DeclaringType, Location);
// Get all the method parameters and pass them as arguments
var real_base_call = new Invocation (mg, block.GetAllParametersArguments ());
Statement statement;
if (method.ReturnType == TypeManager.void_type)
statement = new StatementExpression (real_base_call);
else
statement = new Return (real_base_call, Location);
block.AddStatement (statement);
proxy_method.Block = block;
methods.Add (proxy_method);
proxy_method.Define ();
hoisted_base_call_proxies.Add (method, proxy_method);
}
return proxy_method.Spec;
}
public override Expression DoResolve(ResolveContext ec)
{
constructor_method = Delegate.GetConstructor(ec.Compiler, ec.CurrentType, type);
MethodInfo invoke_method = Delegate.GetInvokeMethod(ec.Compiler, ec.CurrentType, type);
method_group.DelegateType = type;
method_group.CustomErrorHandler = this;
Arguments arguments = CreateDelegateMethodArguments(TypeManager.GetParameterData(invoke_method), loc);
method_group = method_group.OverloadResolve(ec, ref arguments, false, loc);
if (method_group == null)
{
return(null);
}
delegate_method = (MethodInfo)method_group;
if (TypeManager.IsNullableType(delegate_method.DeclaringType))
{
ec.Report.Error(1728, loc, "Cannot create delegate from method `{0}' because it is a member of System.Nullable<T> type",
TypeManager.GetFullNameSignature(delegate_method));
return(null);
}
Invocation.IsSpecialMethodInvocation(ec, delegate_method, loc);
ExtensionMethodGroupExpr emg = method_group as ExtensionMethodGroupExpr;
if (emg != null)
{
delegate_instance_expression = emg.ExtensionExpression;
Type e_type = delegate_instance_expression.Type;
if (TypeManager.IsValueType(e_type))
{
ec.Report.Error(1113, loc, "Extension method `{0}' of value type `{1}' cannot be used to create delegates",
TypeManager.CSharpSignature(delegate_method), TypeManager.CSharpName(e_type));
}
}
Type rt = TypeManager.TypeToCoreType(delegate_method.ReturnType);
Expression ret_expr = new TypeExpression(rt, loc);
if (!Delegate.IsTypeCovariant(ret_expr, (TypeManager.TypeToCoreType(invoke_method.ReturnType))))
{
Error_ConversionFailed(ec, delegate_method, ret_expr);
}
if (Invocation.IsMethodExcluded(delegate_method, loc))
{
ec.Report.SymbolRelatedToPreviousError(delegate_method);
MethodOrOperator m = TypeManager.GetMethod(delegate_method) as MethodOrOperator;
if (m != null && m.IsPartialDefinition)
{
ec.Report.Error(762, loc, "Cannot create delegate from partial method declaration `{0}'",
TypeManager.CSharpSignature(delegate_method));
}
else
{
ec.Report.Error(1618, loc, "Cannot create delegate with `{0}' because it has a Conditional attribute",
TypeManager.CSharpSignature(delegate_method));
}
}
DoResolveInstanceExpression(ec);
eclass = ExprClass.Value;
return(this);
}
public void EmitPrologue(EmitContext ec)
{
var fe_awaiter = new FieldExpr(awaiter, loc);
fe_awaiter.InstanceExpression = new CompilerGeneratedThis(ec.CurrentType, loc);
//
// awaiter = expr.GetAwaiter ();
//
fe_awaiter.EmitAssign(ec, expr, false, false);
Label skip_continuation = ec.DefineLabel();
Expression completed_expr;
if (IsDynamic)
{
var rc = new ResolveContext(ec.MemberContext);
Arguments dargs = new Arguments(1);
dargs.Add(new Argument(fe_awaiter));
completed_expr = new DynamicMemberBinder("IsCompleted", dargs, loc).Resolve(rc);
}
else
{
var pe = PropertyExpr.CreatePredefined(is_completed, loc);
pe.InstanceExpression = fe_awaiter;
completed_expr = pe;
}
completed_expr.EmitBranchable(ec, skip_continuation, true);
base.DoEmit(ec);
//
// The stack has to be empty before calling await continuation. We handle this
// by lifting values which would be left on stack into class fields. The process
// is quite complicated and quite hard to test because any expression can possibly
// leave a value on the stack.
//
// Following assert fails when some of expression called before is missing EmitToField
// or parent expression fails to find await in children expressions
//
ec.AssertEmptyStack();
var args = new Arguments(1);
var storey = (AsyncTaskStorey)machine_initializer.Storey;
var fe_cont = new FieldExpr(storey.Continuation, loc);
fe_cont.InstanceExpression = new CompilerGeneratedThis(ec.CurrentType, loc);
args.Add(new Argument(fe_cont));
if (IsDynamic)
{
var rc = new ResolveContext(ec.MemberContext);
var mg_expr = new Invocation(new MemberAccess(fe_awaiter, "OnCompleted"), args).Resolve(rc);
ExpressionStatement es = (ExpressionStatement)mg_expr;
es.EmitStatement(ec);
}
else
{
var mg_completed = MethodGroupExpr.CreatePredefined(on_completed, fe_awaiter.Type, loc);
mg_completed.InstanceExpression = fe_awaiter;
//
// awaiter.OnCompleted (continuation);
//
mg_completed.EmitCall(ec, args);
}
// Return ok
machine_initializer.EmitLeave(ec, unwind_protect);
ec.MarkLabel(resume_point);
ec.MarkLabel(skip_continuation);
}
private Method GenerateNumberMatcher()
{
var loc = Location;
var parameters = ParametersCompiled.CreateFullyResolved(
new[] {
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Object, loc), "obj", 0, null, loc),
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Object, loc), "value", 0, null, loc),
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Bool, loc), "enumType", 0, null, loc),
},
new[] {
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Bool
});
var m = new Method(this, new TypeExpression(Compiler.BuiltinTypes.Bool, loc),
Modifiers.PUBLIC | Modifiers.STATIC | Modifiers.DEBUGGER_HIDDEN, new MemberName("NumberMatcher", loc),
parameters, null);
parameters[0].Resolve(m, 0);
parameters[1].Resolve(m, 1);
parameters[2].Resolve(m, 2);
ToplevelBlock top_block = new ToplevelBlock(Compiler, parameters, loc);
m.Block = top_block;
//
// if (enumType)
// return Equals (obj, value);
//
var equals_args = new Arguments(2);
equals_args.Add(new Argument(top_block.GetParameterReference(0, loc)));
equals_args.Add(new Argument(top_block.GetParameterReference(1, loc)));
var if_type = new If(
top_block.GetParameterReference(2, loc),
new Return(new Invocation(new SimpleName("Equals", loc), equals_args), loc),
loc);
top_block.AddStatement(if_type);
//
// if (obj is Enum || obj == null)
// return false;
//
var if_enum = new If(
new Binary(Binary.Operator.LogicalOr,
new Is(top_block.GetParameterReference(0, loc), new TypeExpression(Compiler.BuiltinTypes.Enum, loc), loc),
new Binary(Binary.Operator.Equality, top_block.GetParameterReference(0, loc), new NullLiteral(loc))),
new Return(new BoolLiteral(Compiler.BuiltinTypes, false, loc), loc),
loc);
top_block.AddStatement(if_enum);
var system_convert = new MemberAccess(new QualifiedAliasMember("global", "System", loc), "Convert", loc);
//
// var converted = System.Convert.ChangeType (obj, System.Convert.GetTypeCode (value));
//
var lv_converted = LocalVariable.CreateCompilerGenerated(Compiler.BuiltinTypes.Object, top_block, loc);
var arguments_gettypecode = new Arguments(1);
arguments_gettypecode.Add(new Argument(top_block.GetParameterReference(1, loc)));
var gettypecode = new Invocation(new MemberAccess(system_convert, "GetTypeCode", loc), arguments_gettypecode);
var arguments_changetype = new Arguments(1);
arguments_changetype.Add(new Argument(top_block.GetParameterReference(0, loc)));
arguments_changetype.Add(new Argument(gettypecode));
var changetype = new Invocation(new MemberAccess(system_convert, "ChangeType", loc), arguments_changetype);
top_block.AddStatement(new StatementExpression(new SimpleAssign(new LocalVariableReference(lv_converted, loc), changetype, loc)));
//
// return converted.Equals (value)
//
var equals_arguments = new Arguments(1);
equals_arguments.Add(new Argument(top_block.GetParameterReference(1, loc)));
var equals_invocation = new Invocation(new MemberAccess(new LocalVariableReference(lv_converted, loc), "Equals"), equals_arguments);
top_block.AddStatement(new Return(equals_invocation, loc));
m.Define();
m.PrepareEmit();
AddMember(m);
return(m);
}
static Expression DoImplicitConversionStandard (ResolveContext ec, Expression expr, TypeSpec target_type, Location loc, bool explicit_cast, bool upconvert_only)
{
if (expr.eclass == ExprClass.MethodGroup){
if (!target_type.IsDelegate){
if (ec.FileType == SourceFileType.PlayScript &&
(target_type == ec.BuiltinTypes.Dynamic || target_type == ec.BuiltinTypes.Delegate)) {
MethodGroupExpr mg = expr as MethodGroupExpr;
if (mg != null) {
if (mg.Candidates.Count != 1) {
ec.Report.Error (7021, loc, "Ambiguous overloaded methods `{0}' when assigning to Function or Object type", mg.Name);
return null;
}
var ms = (MethodSpec)mg.Candidates[0];
var del_type = Delegate.CreateDelegateTypeFromMethodSpec(ec, ms, loc);
// If return is "Delegate", we create a var args anonymous method which calls the target method..
if (del_type == ec.BuiltinTypes.Delegate) {
var objArrayType = new ComposedCast (
new TypeExpression(ec.BuiltinTypes.Object, loc),
ComposedTypeSpecifier.CreateArrayDimension (1, loc));
var parameters = new ParametersCompiled(new Parameter[] {
new ParamsParameter(objArrayType, "args", null, loc) }, false);
var dynCall = new AnonymousMethodExpression(expr.Location, parameters, new TypeExpression(ms.ReturnType, loc));
var block = new ParametersBlock (ec.CurrentBlock, parameters, expr.Location);
dynCall.Block = block;
var args = new Arguments (3);
args.Add (new Argument(new TypeOf(new TypeExpression(ms.DeclaringType, loc), loc)));
args.Add (new Argument(new StringLiteral(ec.BuiltinTypes, ms.Name, loc)));
args.Add (new Argument(new SimpleName("args", loc)));
var call = new Invocation (new MemberAccess(new MemberAccess(new SimpleName("PlayScript", loc), "Support", loc), "VarArgCall", loc), args);
if (ms.ReturnType == ec.BuiltinTypes.Void) {
block.AddStatement (new StatementExpression(call));
} else {
block.AddStatement (new Return(call, loc));
}
return dynCall.Resolve (ec);
} else {
// Otherwise cast to the specific delegate type
return new ImplicitDelegateCreation (del_type, mg, loc).Resolve (ec);
}
}
}
return null;
}
//
// Only allow anonymous method conversions on post ISO_1
//
if (ec.Module.Compiler.Settings.Version != LanguageVersion.ISO_1){
MethodGroupExpr mg = expr as MethodGroupExpr;
if (mg != null)
return new ImplicitDelegateCreation (target_type, mg, loc).Resolve (ec);
}
}
TypeSpec expr_type = expr.Type;
Expression e;
if (expr_type == target_type) {
if (expr_type != InternalType.NullLiteral && expr_type != InternalType.AnonymousMethod)
return expr;
return null;
}
// Auto convert types to type objects..
if (ec.FileType == SourceFileType.PlayScript && target_type.BuiltinType == BuiltinTypeSpec.Type.Type && expr is FullNamedExpression) {
FullNamedExpression type_expr = (FullNamedExpression)expr;
if (expr_type != null) {
if (expr_type.MemberDefinition.Namespace == PsConsts.PsRootNamespace) {
switch (expr_type.Name) {
case "String":
type_expr = new TypeExpression (ec.BuiltinTypes.String, type_expr.Location);
break;
case "Number":
type_expr = new TypeExpression (ec.BuiltinTypes.Double, type_expr.Location);
break;
case "Boolean":
type_expr = new TypeExpression (ec.BuiltinTypes.Double, type_expr.Location);
break;
}
} else if (expr_type.BuiltinType == BuiltinTypeSpec.Type.Dynamic) {
type_expr = new TypeExpression (ec.Module.PredefinedTypes.AsObject.Resolve(), type_expr.Location);
}
}
return new TypeOf (type_expr, expr.Location).Resolve (ec);
}
if (expr_type.BuiltinType == BuiltinTypeSpec.Type.Dynamic) {
// Implicitly cast references to bools in PlayScript
if (ec.FileType == SourceFileType.PlayScript &&
target_type.BuiltinType == BuiltinTypeSpec.Type.Bool &&
ec.Target != Target.JavaScript) {
var cast_args = new Arguments(1);
cast_args.Add (new Argument(EmptyCast.Create(expr, ec.BuiltinTypes.Object)));
// ec.Report.Warning (7164, 1, expr.Location, "Expensive reference conversion to bool");
return new Invocation(new MemberAccess(new MemberAccess(new SimpleName(
PsConsts.PsRootNamespace, expr.Location), "Boolean_fn", expr.Location), "Boolean", expr.Location),
cast_args).Resolve (ec);
}
switch (target_type.Kind) {
case MemberKind.ArrayType:
case MemberKind.Class:
if (target_type.BuiltinType == BuiltinTypeSpec.Type.Object)
return EmptyCast.Create (expr, target_type);
goto case MemberKind.Struct;
case MemberKind.Struct:
case MemberKind.Delegate:
case MemberKind.Enum:
case MemberKind.Interface:
case MemberKind.TypeParameter:
Arguments args = new Arguments (1);
args.Add (new Argument (expr));
return new DynamicConversion (target_type, explicit_cast ? CSharpBinderFlags.ConvertExplicit : 0, args, loc).Resolve (ec);
}
return null;
}
if (target_type.IsNullableType)
return ImplicitNulableConversion (ec, expr, target_type);
//
// Attempt to do the implicit constant expression conversions
//
Constant c = expr as Constant;
if (c != null) {
try {
c = c.ConvertImplicitly (target_type, ec, upconvert_only);
} catch {
throw new InternalErrorException ("Conversion error", loc);
}
if (c != null)
return c;
}
e = ImplicitNumericConversion (expr, expr_type, target_type, ec, upconvert_only);
if (e != null)
return e;
e = ImplicitPlayScriptConversion (expr, target_type, ec, upconvert_only);
if (e != null)
return e;
e = ImplicitReferenceConversion (expr, target_type, explicit_cast, ec, upconvert_only);
if (e != null)
return e;
e = ImplicitBoxingConversion (expr, expr_type, target_type);
if (e != null)
return e;
if (expr is IntegralConstant && target_type.IsEnum){
var i = (IntegralConstant) expr;
//
// LAMESPEC: csc allows any constant like 0 values to be converted, including const float f = 0.0
//
// An implicit enumeration conversion permits the decimal-integer-literal 0
// to be converted to any enum-type and to any nullable-type whose underlying
// type is an enum-type
//
if (i.IsZeroInteger) {
// Recreate 0 literal to remove any collected conversions
return new EnumConstant (new IntLiteral (ec.BuiltinTypes, 0, i.Location), target_type);
}
}
if (ec.IsUnsafe) {
var target_pc = target_type as PointerContainer;
if (target_pc != null) {
if (expr_type.IsPointer) {
//
// Pointer types are same when they have same element types
//
if (expr_type == target_pc)
return expr;
if (target_pc.Element.Kind == MemberKind.Void)
return EmptyCast.Create (expr, target_type);
//return null;
}
if (expr_type == InternalType.NullLiteral)
return new NullPointer (target_type, loc);
}
}
if (expr_type == InternalType.AnonymousMethod){
AnonymousMethodExpression ame = (AnonymousMethodExpression) expr;
if (ec.FileType == SourceFileType.PlayScript &&
(target_type == ec.BuiltinTypes.Dynamic || target_type == ec.BuiltinTypes.Delegate)) {
var del_type = Delegate.CreateDelegateType (ec, ame.AsParameters, ame.AsReturnType.ResolveAsType(ec), loc);
return new Cast(new TypeExpression(del_type, loc), expr, loc).Resolve(ec);
}
Expression am = ame.Compatible (ec, target_type);
if (am != null)
return am.Resolve (ec);
}
if (expr_type == InternalType.Arglist && target_type == ec.Module.PredefinedTypes.ArgIterator.TypeSpec)
return expr;
//
// dynamic erasure conversion on value types
//
if (expr_type.IsStruct && TypeSpecComparer.IsEqual (expr_type, target_type))
return expr_type == target_type ? expr : EmptyCast.Create (expr, target_type);
return null;
}
public Expression TryInline(ResolveContext rc)
{
if (!(Expr is Invocation))
{
return(Expr);
}
invocation = (Expr as Invocation);
if (invocation.MethodGroup.BestCandidate == null)
{
return(Expr);
}
methodSpec = invocation.MethodGroup.BestCandidate;
if (!(methodSpec.MemberDefinition is MethodCore))
{
return(Expr);
}
method = methodSpec.MemberDefinition as MemberCore;
methodData = method as IMethodData;
if (methodData.IsInlinable)
{
return(Expr);
}
TypeSpec returnType = methodData.ReturnType;
ToplevelBlock block = methodData.Block;
if (block.Parameters.Count > 0 || block.TopBlock.NamesCount > 0 && block.TopBlock.LabelsCount > 0)
{
return(Expr);
}
if (returnType != rc.BuiltinTypes.Void &&
block.Statements.Count == 1 && block.Statements [0] is Return)
{
inlineExpr = ((Return)block.Statements [0]).Expr.Clone(new CloneContext());
}
else if (returnType == rc.BuiltinTypes.Void)
{
Block newBlock = new Block(rc.CurrentBlock, block.StartLocation, block.EndLocation);
foreach (var st in block.Statements)
{
newBlock.AddStatement(st.Clone(new CloneContext()));
}
// inlineExpr = newBlock;
}
this.inlineFailed = false;
Expression ret;
inlineExpr.Accept(this);
ret = inlineExpr;
if (inlineFailed)
{
return(Expr);
}
return(ret);
}
protected override Expression DoResolve (ResolveContext ec)
{
if (ec.Target == Target.JavaScript) {
type = ec.BuiltinTypes.Dynamic;
eclass = ExprClass.Value;
return this;
}
if (Expr is ElementAccess) {
var elem_access = Expr as ElementAccess;
if (elem_access.Arguments.Count != 1) {
ec.Report.Error (7021, loc, "delete statement must have only one index argument.");
return null;
}
var expr = elem_access.Expr.Resolve (ec);
if (expr.Type == null) {
return null;
}
if (expr.Type.IsArray) {
ec.Report.Error (7021, loc, "delete statement not allowed on arrays.");
return null;
}
if (ec.Target == Target.JavaScript) {
Expr = Expr.Resolve(ec);
return this;
}
if (!expr.Type.IsAsDynamicClass && (expr.Type.BuiltinType != BuiltinTypeSpec.Type.Dynamic))
{
ec.Report.Error (7021, loc, "delete statement only allowed on dynamic types or dynamic classes");
return null;
}
// cast expression to IDynamicClass and invoke __DeleteDynamicValue
var dynClass = new Cast(new MemberAccess(new SimpleName("PlayScript", loc), "IDynamicClass", loc), expr, loc);
removeExpr = new Invocation (new MemberAccess (dynClass, "__DeleteDynamicValue", loc), elem_access.Arguments);
return removeExpr.Resolve (ec);
} else if (Expr is MemberAccess) {
if (ec.Target == Target.JavaScript) {
Expr = Expr.Resolve(ec);
return this;
}
var memb_access = Expr as MemberAccess;
var expr = memb_access.LeftExpression.Resolve (ec);
if (expr.Type == null) {
return null;
}
if (!expr.Type.IsAsDynamicClass && (expr.Type.BuiltinType != BuiltinTypeSpec.Type.Dynamic))
{
ec.Report.Error (7021, loc, "delete statement only allowed on dynamic types or dynamic classes");
return null;
}
// cast expression to IDynamicClass and invoke __DeleteDynamicValue
var dynClass = new Cast(new MemberAccess(new SimpleName("PlayScript", loc), "IDynamicClass", loc), expr, loc);
var args = new Arguments(1);
args.Add (new Argument(new StringLiteral(ec.BuiltinTypes, memb_access.Name, loc)));
removeExpr = new Invocation (new MemberAccess (dynClass, "__DeleteDynamicValue", loc), args);
return removeExpr.Resolve (ec);
} else {
// Error is reported elsewhere.
return null;
}
}
public override bool Resolve(BlockContext bc)
{
if (bc.CurrentBlock is Linq.QueryBlock)
{
bc.Report.Error(1995, loc,
"The `await' operator may only be used in a query expression within the first collection expression of the initial `from' clause or within the collection expression of a `join' clause");
return(false);
}
if (!base.Resolve(bc))
{
return(false);
}
type = expr.Type;
Arguments args = new Arguments(0);
//
// The await expression is of dynamic type
//
if (type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
result_type = type;
expr = new Invocation(new MemberAccess(expr, "GetAwaiter"), args).Resolve(bc);
return(true);
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.Error(1986, expr.Location,
"The `await' operand type `{0}' must have suitable GetAwaiter method",
expr.Type.GetSignatureForError());
return(false);
}
var awaiter_type = ama.Type;
awaiter_definition = bc.Module.GetAwaiter(awaiter_type);
if (!awaiter_definition.IsValidPattern)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
if (!awaiter_definition.INotifyCompletion)
{
bc.Report.Error(4027, loc, "The awaiter type `{0}' must implement interface `{1}'",
awaiter_type.GetSignatureForError(), bc.Module.PredefinedTypes.INotifyCompletion.GetSignatureForError());
return(false);
}
expr = ama;
result_type = awaiter_definition.GetResult.ReturnType;
return(true);
}
public virtual object Visit(Invocation invocationExpression)
{
return(null);
}
protected override Expression DoResolve(ResolveContext ec)
{
constructor_method = Delegate.GetConstructor(type);
var invoke_method = Delegate.GetInvokeMethod(type);
Arguments arguments = CreateDelegateMethodArguments(invoke_method.Parameters, invoke_method.Parameters.Types, loc);
method_group = method_group.OverloadResolve(ec, ref arguments, this, OverloadResolver.Restrictions.CovariantDelegate);
if (method_group == null)
{
return(null);
}
var delegate_method = method_group.BestCandidate;
if (delegate_method.DeclaringType.IsNullableType)
{
ec.Report.Error(1728, loc, "Cannot create delegate from method `{0}' because it is a member of System.Nullable<T> type",
delegate_method.GetSignatureForError());
return(null);
}
Invocation.IsSpecialMethodInvocation(ec, delegate_method, loc);
ExtensionMethodGroupExpr emg = method_group as ExtensionMethodGroupExpr;
if (emg != null)
{
method_group.InstanceExpression = emg.ExtensionExpression;
TypeSpec e_type = emg.ExtensionExpression.Type;
if (TypeManager.IsValueType(e_type))
{
ec.Report.Error(1113, loc, "Extension method `{0}' of value type `{1}' cannot be used to create delegates",
delegate_method.GetSignatureForError(), TypeManager.CSharpName(e_type));
}
}
TypeSpec rt = delegate_method.ReturnType;
if (!Delegate.IsTypeCovariant(ec, rt, invoke_method.ReturnType))
{
Expression ret_expr = new TypeExpression(rt, loc);
Error_ConversionFailed(ec, delegate_method, ret_expr);
}
if (delegate_method.IsConditionallyExcluded(ec.Module.Compiler, loc))
{
ec.Report.SymbolRelatedToPreviousError(delegate_method);
MethodOrOperator m = delegate_method.MemberDefinition as MethodOrOperator;
if (m != null && m.IsPartialDefinition)
{
ec.Report.Error(762, loc, "Cannot create delegate from partial method declaration `{0}'",
delegate_method.GetSignatureForError());
}
else
{
ec.Report.Error(1618, loc, "Cannot create delegate with `{0}' because it has a Conditional attribute",
TypeManager.CSharpSignature(delegate_method));
}
}
var expr = method_group.InstanceExpression;
if (expr != null && (expr.Type.IsGenericParameter || !TypeManager.IsReferenceType(expr.Type)))
{
method_group.InstanceExpression = new BoxedCast(expr, ec.BuiltinTypes.Object);
}
eclass = ExprClass.Value;
return(this);
}
Method GenerateNumberMatcher ()
{
var loc = Location;
var parameters = ParametersCompiled.CreateFullyResolved (
new [] {
new Parameter (new TypeExpression (Compiler.BuiltinTypes.Object, loc), "obj", 0, null, loc),
new Parameter (new TypeExpression (Compiler.BuiltinTypes.Object, loc), "value", 0, null, loc),
new Parameter (new TypeExpression (Compiler.BuiltinTypes.Bool, loc), "enumType", 0, null, loc),
},
new [] {
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Bool
});
var m = new Method (this, new TypeExpression (Compiler.BuiltinTypes.Bool, loc),
Modifiers.PUBLIC | Modifiers.STATIC | Modifiers.DEBUGGER_HIDDEN, new MemberName ("NumberMatcher", loc),
parameters, null);
parameters [0].Resolve (m, 0);
parameters [1].Resolve (m, 1);
parameters [2].Resolve (m, 2);
ToplevelBlock top_block = new ToplevelBlock (Compiler, parameters, loc);
m.Block = top_block;
//
// if (enumType)
// return Equals (obj, value);
//
var equals_args = new Arguments (2);
equals_args.Add (new Argument (top_block.GetParameterReference (0, loc)));
equals_args.Add (new Argument (top_block.GetParameterReference (1, loc)));
var if_type = new If (
top_block.GetParameterReference (2, loc),
new Return (new Invocation (new SimpleName ("Equals", loc), equals_args), loc),
loc);
top_block.AddStatement (if_type);
//
// if (obj is Enum || obj == null)
// return false;
//
var if_enum = new If (
new Binary (Binary.Operator.LogicalOr,
new Is (top_block.GetParameterReference (0, loc), new TypeExpression (Compiler.BuiltinTypes.Enum, loc), loc),
new Binary (Binary.Operator.Equality, top_block.GetParameterReference (0, loc), new NullLiteral (loc))),
new Return (new BoolLiteral (Compiler.BuiltinTypes, false, loc), loc),
loc);
top_block.AddStatement (if_enum);
var system_convert = new MemberAccess (new QualifiedAliasMember ("global", "System", loc), "Convert", loc);
var expl_block = new ExplicitBlock (top_block, loc, loc);
//
// var converted = System.Convert.ChangeType (obj, System.Convert.GetTypeCode (value));
//
var lv_converted = LocalVariable.CreateCompilerGenerated (Compiler.BuiltinTypes.Object, top_block, loc);
var arguments_gettypecode = new Arguments (1);
arguments_gettypecode.Add (new Argument (top_block.GetParameterReference (1, loc)));
var gettypecode = new Invocation (new MemberAccess (system_convert, "GetTypeCode", loc), arguments_gettypecode);
var arguments_changetype = new Arguments (1);
arguments_changetype.Add (new Argument (top_block.GetParameterReference (0, loc)));
arguments_changetype.Add (new Argument (gettypecode));
var changetype = new Invocation (new MemberAccess (system_convert, "ChangeType", loc), arguments_changetype);
expl_block.AddStatement (new StatementExpression (new SimpleAssign (new LocalVariableReference (lv_converted, loc), changetype, loc)));
//
// return converted.Equals (value)
//
var equals_arguments = new Arguments (1);
equals_arguments.Add (new Argument (top_block.GetParameterReference (1, loc)));
var equals_invocation = new Invocation (new MemberAccess (new LocalVariableReference (lv_converted, loc), "Equals"), equals_arguments);
expl_block.AddStatement (new Return (equals_invocation, loc));
var catch_block = new ExplicitBlock (top_block, loc, loc);
catch_block.AddStatement (new Return (new BoolLiteral (Compiler.BuiltinTypes, false, loc), loc));
top_block.AddStatement (new TryCatch (expl_block, new List<Catch> () {
new Catch (catch_block, loc)
}, loc, false));
m.Define ();
m.PrepareEmit ();
AddMember (m);
return m;
}
public override System.Linq.Expressions.Expression MakeExpression(BuilderContext ctx)
{
return(Invocation.MakeExpression(ctx, InstanceExpr, method, arguments));
}
public override bool Resolve (BlockContext ec)
{
Block variables_block = variable.local_info.Block;
copy = TemporaryVariableReference.Create (for_each.expr.Type, variables_block, loc);
copy.Resolve (ec);
int rank = length_exprs.Length;
Arguments list = new Arguments (rank);
for (int i = 0; i < rank; i++) {
var v = TemporaryVariableReference.Create (TypeManager.int32_type, variables_block, loc);
variables[i] = v;
counter[i] = new StatementExpression (new UnaryMutator (UnaryMutator.Mode.PostIncrement, v, loc));
counter[i].Resolve (ec);
if (rank == 1) {
length_exprs [i] = new MemberAccess (copy, "Length").Resolve (ec);
} else {
lengths[i] = TemporaryVariableReference.Create (TypeManager.int32_type, variables_block, loc);
lengths[i].Resolve (ec);
Arguments args = new Arguments (1);
args.Add (new Argument (new IntConstant (i, loc)));
length_exprs [i] = new Invocation (new MemberAccess (copy, "GetLength"), args).Resolve (ec);
}
list.Add (new Argument (v));
}
access = new ElementAccess (copy, list, loc).Resolve (ec);
if (access == null)
return false;
Expression var_type = for_each.type;
VarExpr ve = var_type as VarExpr;
if (ve != null) {
// Infer implicitly typed local variable from foreach array type
var_type = new TypeExpression (access.Type, ve.Location);
}
var_type = var_type.ResolveAsTypeTerminal (ec, false);
if (var_type == null)
return false;
conv = Convert.ExplicitConversion (ec, access, var_type.Type, loc);
if (conv == null)
return false;
bool ok = true;
ec.StartFlowBranching (FlowBranching.BranchingType.Loop, loc);
ec.CurrentBranching.CreateSibling ();
variable.local_info.Type = conv.Type;
variable.Resolve (ec);
ec.StartFlowBranching (FlowBranching.BranchingType.Embedded, loc);
if (!statement.Resolve (ec))
ok = false;
ec.EndFlowBranching ();
// There's no direct control flow from the end of the embedded statement to the end of the loop
ec.CurrentBranching.CurrentUsageVector.Goto ();
ec.EndFlowBranching ();
return ok;
}
void case_446()
#line 3310 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]));
}
public virtual object Visit (Invocation invocationExpression)
{
return null;
}
protected override Expression DoResolve (ResolveContext ec)
{
CloneContext cc = new CloneContext ();
Expression clone = source.Clone (cc);
//
// A useful feature for the REPL: if we can resolve the expression
// as a type, Describe the type;
//
if (Evaluator.DescribeTypeExpressions){
var old_printer = Evaluator.SetPrinter (new StreamReportPrinter (TextWriter.Null));
clone = clone.Resolve (ec);
if (clone == null){
clone = source.Clone (cc);
clone = clone.Resolve (ec, ResolveFlags.Type);
if (clone == null){
Evaluator.SetPrinter (old_printer);
clone = source.Clone (cc);
clone = clone.Resolve (ec);
return null;
}
Arguments args = new Arguments (1);
args.Add (new Argument (new TypeOf ((TypeExpr) clone, Location)));
source = new Invocation (new SimpleName ("Describe", Location), args).Resolve (ec);
}
Evaluator.SetPrinter (old_printer);
} else {
clone = clone.Resolve (ec);
if (clone == null)
return null;
}
// This means its really a statement.
if (clone.Type == TypeManager.void_type){
source = source.Resolve (ec);
target = null;
type = TypeManager.void_type;
eclass = ExprClass.Value;
return this;
}
return base.DoResolve (ec);
}
void case_445()
#line 3305 "cs-parser.jay"
{
yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (Arguments) yyVals[-1+yyTop]);
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
public override bool Resolve(BlockContext bc)
{
if (!base.Resolve(bc))
{
return(false);
}
Arguments args = new Arguments(0);
type = expr.Type;
//
// The await expression is of dynamic type
//
if (type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
result_type = type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(type, loc);
expr = new Invocation(new MemberAccess(expr, "GetAwaiter"), args).Resolve(bc);
return(true);
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.Error(1986, expr.Location,
"The `await' operand type `{0}' must have suitable GetAwaiter method",
expr.Type.GetSignatureForError());
return(false);
}
var awaiter_type = ama.Type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(awaiter_type, loc);
expr = ama;
//
// Predefined: bool IsCompleted { get; }
//
is_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Property("IsCompleted", bc.Module.Compiler.BuiltinTypes.Bool),
BindingRestriction.InstanceOnly) as PropertySpec;
if (is_completed == null || !is_completed.HasGet)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: OnCompleted (Action)
//
if (bc.Module.PredefinedTypes.Action.Define())
{
on_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Method("OnCompleted", 0,
ParametersCompiled.CreateFullyResolved(bc.Module.PredefinedTypes.Action.TypeSpec), bc.Module.Compiler.BuiltinTypes.Void),
BindingRestriction.InstanceOnly) as MethodSpec;
if (on_completed == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
//
// Predefined: GetResult ()
//
// The method return type is also result type of await expression
//
get_result = MemberCache.FindMember(awaiter_type, MemberFilter.Method("GetResult", 0,
ParametersCompiled.EmptyReadOnlyParameters, null),
BindingRestriction.InstanceOnly) as MethodSpec;
if (get_result == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
result_type = get_result.ReturnType;
return(true);
}
void case_447()
#line 3317 "cs-parser.jay"
{
Error_SyntaxError (yyToken);
yyVal = new Invocation ((Expression) yyVals[-2+yyTop], null);
lbag.AddLocation (yyVal, GetLocation (yyVals[-1+yyTop]));
}
public override void Emit (EmitContext ec)
{
Expression concat = new Invocation (CreateConcatMemberExpression (), arguments, true);
concat = concat.Resolve (new ResolveContext (ec.MemberContext));
if (concat != null)
concat.Emit (ec);
}
public override Expression CreateExpressionTree (ResolveContext ec)
{
MemberAccess ma = new MemberAccess (new MemberAccess (new QualifiedAliasMember ("global", "System", loc), "Delegate", loc), "CreateDelegate", loc);
Arguments args = new Arguments (3);
args.Add (new Argument (new TypeOf (type, loc)));
if (method_group.InstanceExpression == null)
args.Add (new Argument (new NullLiteral (loc)));
else
args.Add (new Argument (method_group.InstanceExpression));
args.Add (new Argument (method_group.CreateExpressionTree (ec)));
Expression e = new Invocation (ma, args).Resolve (ec);
if (e == null)
return null;
e = Convert.ExplicitConversion (ec, e, type, loc);
if (e == null)
return null;
return e.CreateExpressionTree (ec);
}
void DefineOverrides ()
{
Location loc = Location;
Method equals = new Method (this, null, TypeManager.system_boolean_expr,
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("Equals", loc),
Mono.CSharp.ParametersCompiled.CreateFullyResolved (new Parameter (null, "obj", 0, null, loc), TypeManager.object_type), null);
Method tostring = new Method (this, null, TypeManager.system_string_expr,
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("ToString", loc),
Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);
ToplevelBlock equals_block = new ToplevelBlock (Compiler, equals.Parameters, loc);
TypeExpr current_type;
if (IsGeneric)
current_type = new GenericTypeExpr (this, loc);
else
current_type = new TypeExpression (TypeBuilder, loc);
equals_block.AddVariable (current_type, "other", loc);
LocalVariableReference other_variable = new LocalVariableReference (equals_block, "other", loc);
MemberAccess system_collections_generic = new MemberAccess (new MemberAccess (
new QualifiedAliasMember ("global", "System", loc), "Collections", loc), "Generic", loc);
Expression rs_equals = null;
Expression string_concat = new StringConstant ("{", loc);
Expression rs_hashcode = new IntConstant (-2128831035, loc);
for (int i = 0; i < parameters.Count; ++i) {
AnonymousTypeParameter p = (AnonymousTypeParameter) parameters [i];
Field f = (Field) Fields [i];
MemberAccess equality_comparer = new MemberAccess (new MemberAccess (
system_collections_generic, "EqualityComparer",
new TypeArguments (new SimpleName (TypeParameters [i].Name, loc)), loc),
"Default", loc);
Arguments arguments_equal = new Arguments (2);
arguments_equal.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
arguments_equal.Add (new Argument (new MemberAccess (other_variable, f.Name)));
Expression field_equal = new Invocation (new MemberAccess (equality_comparer,
"Equals", loc), arguments_equal);
Arguments arguments_hashcode = new Arguments (1);
arguments_hashcode.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
Expression field_hashcode = new Invocation (new MemberAccess (equality_comparer,
"GetHashCode", loc), arguments_hashcode);
IntConstant FNV_prime = new IntConstant (16777619, loc);
rs_hashcode = new Binary (Binary.Operator.Multiply,
new Binary (Binary.Operator.ExclusiveOr, rs_hashcode, field_hashcode),
FNV_prime);
Expression field_to_string = new Conditional (new Binary (Binary.Operator.Inequality,
new MemberAccess (new This (f.Location), f.Name), new NullLiteral (loc)),
new Invocation (new MemberAccess (
new MemberAccess (new This (f.Location), f.Name), "ToString"), null),
new StringConstant (string.Empty, loc));
if (rs_equals == null) {
rs_equals = field_equal;
string_concat = new Binary (Binary.Operator.Addition,
string_concat,
new Binary (Binary.Operator.Addition,
new StringConstant (" " + p.Name + " = ", loc),
field_to_string));
continue;
}
//
// Implementation of ToString () body using string concatenation
//
string_concat = new Binary (Binary.Operator.Addition,
new Binary (Binary.Operator.Addition,
string_concat,
new StringConstant (", " + p.Name + " = ", loc)),
field_to_string);
rs_equals = new Binary (Binary.Operator.LogicalAnd, rs_equals, field_equal);
}
string_concat = new Binary (Binary.Operator.Addition,
string_concat,
new StringConstant (" }", loc));
//
// Equals (object obj) override
//
LocalVariableReference other_variable_assign = new LocalVariableReference (equals_block, "other", loc);
equals_block.AddStatement (new StatementExpression (
new SimpleAssign (other_variable_assign,
new As (equals_block.GetParameterReference ("obj", loc),
current_type, loc), loc)));
Expression equals_test = new Binary (Binary.Operator.Inequality, other_variable, new NullLiteral (loc));
if (rs_equals != null)
equals_test = new Binary (Binary.Operator.LogicalAnd, equals_test, rs_equals);
equals_block.AddStatement (new Return (equals_test, loc));
equals.Block = equals_block;
equals.Define ();
AddMethod (equals);
//
// GetHashCode () override
//
Method hashcode = new Method (this, null, TypeManager.system_int32_expr,
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN,
new MemberName ("GetHashCode", loc),
Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);
//
// Modified FNV with good avalanche behavior and uniform
// distribution with larger hash sizes.
//
// const int FNV_prime = 16777619;
// int hash = (int) 2166136261;
// foreach (int d in data)
// hash = (hash ^ d) * FNV_prime;
// hash += hash << 13;
// hash ^= hash >> 7;
// hash += hash << 3;
// hash ^= hash >> 17;
// hash += hash << 5;
ToplevelBlock hashcode_top = new ToplevelBlock (Compiler, loc);
Block hashcode_block = new Block (hashcode_top);
hashcode_top.AddStatement (new Unchecked (hashcode_block));
hashcode_block.AddVariable (TypeManager.system_int32_expr, "hash", loc);
LocalVariableReference hash_variable = new LocalVariableReference (hashcode_block, "hash", loc);
LocalVariableReference hash_variable_assign = new LocalVariableReference (hashcode_block, "hash", loc);
hashcode_block.AddStatement (new StatementExpression (
new SimpleAssign (hash_variable_assign, rs_hashcode)));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (13, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (7, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (3, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (17, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (5, loc)))));
hashcode_block.AddStatement (new Return (hash_variable, loc));
hashcode.Block = hashcode_top;
hashcode.Define ();
AddMethod (hashcode);
//
// ToString () override
//
ToplevelBlock tostring_block = new ToplevelBlock (Compiler, loc);
tostring_block.AddStatement (new Return (string_concat, loc));
tostring.Block = tostring_block;
tostring.Define ();
AddMethod (tostring);
}
public override object Visit (Invocation invocationExpression)
{
var result = new InvocationExpression ();
var location = LocationsBag.GetLocations (invocationExpression);
result.AddChild ((INode)invocationExpression.Expression.Accept (this), InvocationExpression.Roles.TargetExpression);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), InvocationExpression.Roles.LPar);
AddArguments (result, location, invocationExpression.Arguments);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), InvocationExpression.Roles.RPar);
return result;
}
private Expression CreateDynamicUnaryOperation(ResolveContext rc)
{
this.Arguments.CastDynamicArgs(rc);
TypeSpec unary = rc.Module.PredefinedTypes.PsUnaryOperation.Resolve();
string type = GetDynamicUnaryTypeName(Arguments[0].Type);
// create unary method name
string unaryMethod = this.name + type;
var ret = new Invocation(new MemberAccess(new TypeExpression(unary, loc), unaryMethod, loc), this.Arguments).Resolve(rc);
if (ret.Type == rc.BuiltinTypes.Object) {
// cast object to dynamic for return types
ret = new Cast (new TypeExpression (rc.BuiltinTypes.Dynamic, loc), ret, loc).Resolve (rc);
}
return ret;
}
protected override bool DoDefineMembers ()
{
if (!base.DoDefineMembers ())
return false;
Location loc = Location;
var equals_parameters = ParametersCompiled.CreateFullyResolved (
new Parameter (new TypeExpression (Compiler.BuiltinTypes.Object, loc), "obj", 0, null, loc), Compiler.BuiltinTypes.Object);
Method equals = new Method (this, new TypeExpression (Compiler.BuiltinTypes.Bool, loc),
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("Equals", loc),
equals_parameters, null);
equals_parameters[0].Resolve (equals, 0);
Method tostring = new Method (this, new TypeExpression (Compiler.BuiltinTypes.String, loc),
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("ToString", loc),
Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);
ToplevelBlock equals_block = new ToplevelBlock (Compiler, equals.ParameterInfo, loc);
TypeExpr current_type;
if (CurrentTypeParameters != null) {
var targs = new TypeArguments ();
for (int i = 0; i < CurrentTypeParameters.Count; ++i) {
targs.Add (new TypeParameterExpr (CurrentTypeParameters[i], Location));
}
current_type = new GenericTypeExpr (Definition, targs, loc);
} else {
current_type = new TypeExpression (Definition, loc);
}
var li_other = LocalVariable.CreateCompilerGenerated (CurrentType, equals_block, loc);
equals_block.AddStatement (new BlockVariableDeclaration (new TypeExpression (li_other.Type, loc), li_other));
var other_variable = new LocalVariableReference (li_other, loc);
MemberAccess system_collections_generic = new MemberAccess (new MemberAccess (
new QualifiedAliasMember ("global", "System", loc), "Collections", loc), "Generic", loc);
Expression rs_equals = null;
Expression string_concat = new StringConstant (Compiler.BuiltinTypes, "{", loc);
Expression rs_hashcode = new IntConstant (Compiler.BuiltinTypes, -2128831035, loc);
for (int i = 0; i < parameters.Count; ++i) {
var p = parameters [i];
var f = (Field) Members [i * 2];
MemberAccess equality_comparer = new MemberAccess (new MemberAccess (
system_collections_generic, "EqualityComparer",
new TypeArguments (new SimpleName (CurrentTypeParameters [i].Name, loc)), loc),
"Default", loc);
Arguments arguments_equal = new Arguments (2);
arguments_equal.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
arguments_equal.Add (new Argument (new MemberAccess (other_variable, f.Name)));
Expression field_equal = new Invocation (new MemberAccess (equality_comparer,
"Equals", loc), arguments_equal);
Arguments arguments_hashcode = new Arguments (1);
arguments_hashcode.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
Expression field_hashcode = new Invocation (new MemberAccess (equality_comparer,
"GetHashCode", loc), arguments_hashcode);
IntConstant FNV_prime = new IntConstant (Compiler.BuiltinTypes, 16777619, loc);
rs_hashcode = new Binary (Binary.Operator.Multiply,
new Binary (Binary.Operator.ExclusiveOr, rs_hashcode, field_hashcode),
FNV_prime);
Expression field_to_string = new Conditional (new BooleanExpression (new Binary (Binary.Operator.Inequality,
new MemberAccess (new This (f.Location), f.Name), new NullLiteral (loc))),
new Invocation (new MemberAccess (
new MemberAccess (new This (f.Location), f.Name), "ToString"), null),
new StringConstant (Compiler.BuiltinTypes, string.Empty, loc), loc);
if (rs_equals == null) {
rs_equals = field_equal;
string_concat = new Binary (Binary.Operator.Addition,
string_concat,
new Binary (Binary.Operator.Addition,
new StringConstant (Compiler.BuiltinTypes, " " + p.Name + " = ", loc),
field_to_string));
continue;
}
//
// Implementation of ToString () body using string concatenation
//
string_concat = new Binary (Binary.Operator.Addition,
new Binary (Binary.Operator.Addition,
string_concat,
new StringConstant (Compiler.BuiltinTypes, ", " + p.Name + " = ", loc)),
field_to_string);
rs_equals = new Binary (Binary.Operator.LogicalAnd, rs_equals, field_equal);
}
string_concat = new Binary (Binary.Operator.Addition,
string_concat,
new StringConstant (Compiler.BuiltinTypes, " }", loc));
//
// Equals (object obj) override
//
var other_variable_assign = new TemporaryVariableReference (li_other, loc);
equals_block.AddStatement (new StatementExpression (
new SimpleAssign (other_variable_assign,
new As (equals_block.GetParameterReference (0, loc),
current_type, loc), loc)));
Expression equals_test = new Binary (Binary.Operator.Inequality, other_variable, new NullLiteral (loc));
if (rs_equals != null)
equals_test = new Binary (Binary.Operator.LogicalAnd, equals_test, rs_equals);
equals_block.AddStatement (new Return (equals_test, loc));
equals.Block = equals_block;
equals.Define ();
Members.Add (equals);
//
// GetHashCode () override
//
Method hashcode = new Method (this, new TypeExpression (Compiler.BuiltinTypes.Int, loc),
Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN,
new MemberName ("GetHashCode", loc),
Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);
//
// Modified FNV with good avalanche behavior and uniform
// distribution with larger hash sizes.
//
// const int FNV_prime = 16777619;
// int hash = (int) 2166136261;
// foreach (int d in data)
// hash = (hash ^ d) * FNV_prime;
// hash += hash << 13;
// hash ^= hash >> 7;
// hash += hash << 3;
// hash ^= hash >> 17;
// hash += hash << 5;
ToplevelBlock hashcode_top = new ToplevelBlock (Compiler, loc);
Block hashcode_block = new Block (hashcode_top, loc, loc);
hashcode_top.AddStatement (new Unchecked (hashcode_block, loc));
var li_hash = LocalVariable.CreateCompilerGenerated (Compiler.BuiltinTypes.Int, hashcode_top, loc);
hashcode_block.AddStatement (new BlockVariableDeclaration (new TypeExpression (li_hash.Type, loc), li_hash));
LocalVariableReference hash_variable_assign = new LocalVariableReference (li_hash, loc);
hashcode_block.AddStatement (new StatementExpression (
new SimpleAssign (hash_variable_assign, rs_hashcode)));
var hash_variable = new LocalVariableReference (li_hash, loc);
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (Compiler.BuiltinTypes, 13, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (Compiler.BuiltinTypes, 7, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (Compiler.BuiltinTypes, 3, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (Compiler.BuiltinTypes, 17, loc)))));
hashcode_block.AddStatement (new StatementExpression (
new CompoundAssign (Binary.Operator.Addition, hash_variable,
new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (Compiler.BuiltinTypes, 5, loc)))));
hashcode_block.AddStatement (new Return (hash_variable, loc));
hashcode.Block = hashcode_top;
hashcode.Define ();
Members.Add (hashcode);
//
// ToString () override
//
ToplevelBlock tostring_block = new ToplevelBlock (Compiler, loc);
tostring_block.AddStatement (new Return (string_concat, loc));
tostring.Block = tostring_block;
tostring.Define ();
Members.Add (tostring);
return true;
}
protected override Expression DoResolve (ResolveContext ec)
{
if (ec.Target == Target.JavaScript) {
type = ec.BuiltinTypes.Dynamic;
eclass = ExprClass.Value;
return this;
}
if (Expr is ElementAccess) {
var elem_access = Expr as ElementAccess;
if (elem_access.Arguments.Count != 1) {
ec.Report.Error (7021, loc, "delete statement must have only one index argument.");
return null;
}
var expr = elem_access.Expr.Resolve (ec);
if (expr.Type == null) {
return null;
}
if (expr.Type.IsArray) {
ec.Report.Error (7021, loc, "delete statement not allowed on arrays.");
return null;
}
if (ec.Target == Target.JavaScript) {
Expr = Expr.Resolve(ec);
return this;
}
removeExpr = new Invocation (new MemberAccess (expr, "Remove", loc), elem_access.Arguments);
return removeExpr.Resolve (ec);
} else if (Expr is MemberAccess) {
if (ec.Target == Target.JavaScript) {
Expr = Expr.Resolve(ec);
return this;
}
var memb_access = Expr as MemberAccess;
var expr = memb_access.LeftExpression.Resolve (ec);
if (expr.Type == null) {
return null;
}
var args = new Arguments(1);
args.Add (new Argument(new StringLiteral(ec.BuiltinTypes, memb_access.Name, loc)));
removeExpr = new Invocation (new MemberAccess (expr, "Remove", loc), args);
return removeExpr.Resolve (ec);
} else {
// Error is reported elsewhere.
return null;
}
}