//
// Authors: Miguel de Icaza (miguel@gnu.org)
// Ravi Pratap (ravi@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
// Licensed under the terms of the GNU GPL
//
public class CSharpParser {
NamespaceEntry current_namespace;
TypeContainer current_container;
- TypeContainer current_class;
+ DeclSpace current_class;
- IIteratorContainer iterator_container;
+ IAnonymousHost anonymous_host;
/// <summary>
/// Current block is used to add statements as we find
/// them.
/// </summary>
- Block current_block, top_current_block;
+ Block current_block;
+
+ Delegate current_delegate;
+
+ AnonymousMethodExpression current_anonymous_method;
/// <summary>
/// This is used by the unary_expression code to resolve
Expression implicit_value_parameter_type;
Parameters indexer_parameters;
+ /// <summary>
+ /// Hack to help create non-typed array initializer
+ /// </summary>
+ public static Expression current_array_type;
+ Expression pushed_current_array_type;
+
/// <summary>
/// Used to determine if we are parsing the get/set pair
/// of an indexer or a property
/// </summmary>
- bool parsing_indexer;
+ bool parsing_indexer;
+ bool parsing_anonymous_method;
+
///
/// An out-of-band stack.
///
- Stack oob_stack;
+ static Stack oob_stack;
///
/// Switch stack.
/// assembly and module attribute definitions are enabled
bool global_attrs_enabled = true;
-
bool has_get, has_set;
%}
%token WHILE
%token ARGLIST
%token PARTIAL
+%token ARROW
/* C# keywords which are not really keywords */
%token GET "get"
%token BANG "!"
%token ASSIGN "="
%token OP_LT "<"
+%token OP_GENERICS_LT "<"
%token OP_GT ">"
+%token OP_GENERICS_GT ">"
%token BITWISE_AND "&"
%token BITWISE_OR "|"
%token STAR "*"
%token LITERAL_STRING "string literal"
%token IDENTIFIER
+%token OPEN_PARENS_LAMBDA
%token CLOSE_PARENS_CAST
%token CLOSE_PARENS_NO_CAST
%token CLOSE_PARENS_OPEN_PARENS
if (s != "alias"){
Report.Error (1003, lt.Location, "'alias' expected");
} else if (RootContext.Version == LanguageVersion.ISO_1) {
- Report.FeatureIsNotStandardized (lt.Location, "external alias");
+ Report.FeatureIsNotISO1 (lt.Location, "external alias");
} else {
lt = (LocatedToken) $3;
current_namespace.UsingExternalAlias (lt.Value, lt.Location);
{
LocatedToken lt = (LocatedToken) $2;
current_namespace.UsingAlias (lt.Value, (MemberName) $4, (Location) $1);
- current_namespace.UsingFound = true;
}
| USING error {
CheckIdentifierToken (yyToken, GetLocation ($2));
: USING namespace_name SEMICOLON
{
current_namespace.Using ((MemberName) $2, (Location) $1);
- current_namespace.UsingFound = true;
}
;
}
current_namespace = new NamespaceEntry (
- current_namespace, file, name.GetName (), name.Location);
+ current_namespace, file, name.GetName ());
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer;
}
namespace_body opt_semicolon
{
current_namespace = current_namespace.Parent;
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer;
}
;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
- opt_extern_alias_directives
+ namespace_body_body
+ ;
+
+namespace_body_body
+ : opt_extern_alias_directives
opt_using_directives
opt_namespace_member_declarations
CLOSE_BRACE
+ | error
+ {
+ Report.Error (1518, lexer.Location, "Expected `class', `delegate', `enum', `interface', or `struct'");
+ }
+ CLOSE_BRACE
+ | opt_extern_alias_directives
+ opt_using_directives
+ opt_namespace_member_declarations
+ EOF
+ {
+ Report.Error (1513, lexer.Location, "} expected");
+ }
;
opt_using_directives
attribute_sections
: attribute_section
{
- ArrayList sect = (ArrayList) $1;
+ if (current_attr_target != String.Empty) {
+ ArrayList sect = (ArrayList) $1;
- if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target != null && current_attr_target.Length > 0) {
- CodeGen.Assembly.AddAttributes (sect);
- $$ = null;
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target != null && current_attr_target.Length > 0) {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = null;
+ } else {
+ $$ = new Attributes (sect);
+ }
+ if ($$ == null) {
+ if (RootContext.Documentation != null) {
+ Lexer.check_incorrect_doc_comment ();
+ Lexer.doc_state =
+ XmlCommentState.Allowed;
+ }
+ }
} else {
$$ = new Attributes (sect);
- }
- if ($$ == null) {
- if (RootContext.Documentation != null) {
- Lexer.check_incorrect_doc_comment ();
- Lexer.doc_state =
- XmlCommentState.Allowed;
- }
- }
- } else {
- $$ = new Attributes (sect);
- }
+ }
+ }
+ else
+ $$ = null;
current_attr_target = null;
}
| attribute_sections attribute_section
{
- Attributes attrs = $1 as Attributes;
- ArrayList sect = (ArrayList) $2;
-
- if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target == "assembly") {
- CodeGen.Assembly.AddAttributes (sect);
- $$ = null;
+ if (current_attr_target != String.Empty) {
+ Attributes attrs = $1 as Attributes;
+ ArrayList sect = (ArrayList) $2;
+
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target == "assembly") {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = 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);
- }
- } else {
- if (attrs == null)
- attrs = new Attributes (sect);
- else
- attrs.AddAttributes (sect);
- }
- $$ = attrs;
+ attrs.AddAttributes (sect);
+ }
+ $$ = attrs;
+ }
+ else
+ $$ = null;
current_attr_target = null;
}
;
: IDENTIFIER
{
LocatedToken lt = (LocatedToken) $1;
- CheckAttributeTarget (lt.Value, lt.Location);
- $$ = lt.Value; // Location won't be required anymore.
+ $$ = CheckAttributeTarget (lt.Value, lt.Location);
+ }
+ | EVENT { $$ = "event"; }
+ | RETURN { $$ = "return"; }
+ | error
+ {
+ string name = yyNames [yyToken].ToLower ();
+ $$ = CheckAttributeTarget (name, GetLocation ($1));
}
- | EVENT { $$ = "event"; }
- | RETURN { $$ = "return"; }
;
attribute_list
: attribute_name opt_attribute_arguments
{
MemberName mname = (MemberName) $1;
- ArrayList arguments = (ArrayList) $2;
+ object[] arguments = (object[]) $2;
MemberName left = mname.Left;
string identifier = mname.Name;
Expression left_expr = left == null ? null : left.GetTypeExpression ();
- if (current_attr_target == "assembly" || current_attr_target == "module")
+ if (current_attr_target == String.Empty)
+ $$ = null;
+ else if (current_attr_target == "assembly" || current_attr_target == "module")
// FIXME: supply "nameEscaped" parameter here.
- $$ = new GlobalAttribute (current_class, current_attr_target,
+ $$ = new GlobalAttribute (current_namespace, current_attr_target,
left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
else
$$ = new Attribute (current_attr_target, left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
if ($1 == null)
$$ = null;
else {
- ArrayList args = new ArrayList (4);
- args.Add ($1);
-
- $$ = args;
+ $$ = new object [] { $1, null };
}
}
- | positional_argument_list COMMA named_argument_list
+ | positional_argument_list COMMA named_argument_list
{
- ArrayList args = new ArrayList (4);
- args.Add ($1);
- args.Add ($3);
-
- $$ = args;
+ $$ = new object[] { $1, $3 };
}
- | named_argument_list
+ | named_argument_list
{
- ArrayList args = new ArrayList (4);
- args.Add (null);
- args.Add ($1);
-
- $$ = args;
+ $$ = new object [] { null, $1 };
}
- ;
+ ;
opt_positional_argument_list
STRUCT member_name
{
MemberName name = MakeName ((MemberName) $5);
- if ($3 != null) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, Kind.Struct, (Location) $3);
+ push_current_class (new Struct (
+ current_namespace, current_class, name, (int) $2,
+ (Attributes) $1), $3);
- current_container = part.PartialContainer;
- current_class = part;
- } else {
- current_class = new Struct (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1);
-
- current_container.AddClassOrStruct (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (current_namespace.NS, name, current_class);
- }
}
opt_class_base
{
if ($7 != null)
- current_class.Bases = (ArrayList) $7;
+ current_container.AddBasesForPart (current_class, (ArrayList) $7);
if (RootContext.Documentation != null)
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
}
struct_body
{
Expression type = (Expression) $3;
int mod = (int) $2;
+ current_array_type = null;
+
foreach (VariableDeclaration var in (ArrayList) $4){
Field field = new Field (current_class, type, mod, var.identifier,
- var.expression_or_array_initializer,
(Attributes) $1, var.Location);
+ field.Initializer = var.expression_or_array_initializer;
+
if (RootContext.Documentation != null) {
field.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
Expression type = (Expression) $4;
int mod = (int) $2;
+ current_array_type = null;
+
foreach (VariableDeclaration var in (ArrayList) $5) {
FixedField field = new FixedField (current_class, type, mod, var.identifier,
(Expression)var.expression_or_array_initializer, (Attributes) $1, var.Location);
$$ = field; // FIXME: might be better if it points to the top item
}
}
+ | opt_attributes
+ opt_modifiers
+ FIXED
+ type
+ error
+ {
+ Report.Error (1641, GetLocation ($4), "A fixed size buffer field must have the array size specifier after the field name");
+ }
| opt_attributes
opt_modifiers
VOID
variable_declarators
SEMICOLON {
+ current_array_type = null;
Report.Error (670, (Location) $3, "Fields cannot have void type");
}
;
{
$$ = new StackAlloc ((Expression) $2, (Expression) $4, (Location) $1);
}
+ | ARGLIST
+ {
+ $$ = new ArglistAccess ((Location) $1);
+ }
| STACKALLOC type
{
Report.Error (1575, (Location) $1, "A stackalloc expression requires [] after type");
method_declaration
: method_header {
- iterator_container = (IIteratorContainer) $1;
+ anonymous_host = (IAnonymousHost) $1;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.NotAllowed;
}
method.Block = (ToplevelBlock) $3;
current_container.AddMethod (method);
+ anonymous_host = null;
current_local_parameters = null;
- iterator_container = null;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
+ //
+ // This rule is used to handle the cases where OPEN_PARENS_LAMBDA
+ // is returned (type followed by an identifier), these are the
+ // declarations (methods, overloads, constructors, etc) and a handful
+ // of expressions ("using", "fixed") or "catch".
+ //
+open_parens
+ : OPEN_PARENS
+ | OPEN_PARENS_LAMBDA
+ ;
+
method_header
: opt_attributes
opt_modifiers
type namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = (MemberName) $4;
- Method method = new Method (current_class, (Expression) $3, (int) $2,
+ Method method = new Method (current_class, null, (Expression) $3, (int) $2,
false, name, (Parameters) $6, (Attributes) $1);
+ anonymous_host = method;
current_local_parameters = (Parameters) $6;
if (RootContext.Documentation != null)
| opt_attributes
opt_modifiers
VOID namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = (MemberName) $4;
- Method method = new Method (current_class, TypeManager.system_void_expr,
+ Method method = new Method (current_class, null, TypeManager.system_void_expr,
(int) $2, false, name, (Parameters) $6,
(Attributes) $1);
+ anonymous_host = method;
current_local_parameters = (Parameters) $6;
if (RootContext.Documentation != null)
| opt_attributes
opt_modifiers
type
- modifiers namespace_or_type_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ modifiers namespace_or_type_name open_parens opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = (MemberName) $5;
Report.Error (1585, name.Location,
"Member modifier `{0}' must precede the member type and name", Modifiers.Name ((int) $4));
- Method method = new Method (current_class, TypeManager.system_void_expr,
+ Method method = new Method (current_class, null, TypeManager.system_void_expr,
0, false, name, (Parameters) $7, (Attributes) $1);
current_local_parameters = (Parameters) $7;
$$ = new Parameters (pars, true);
}
- | parameter_array COMMA fixed_parameters
+ | parameter_array COMMA error
{
if ($1 != null)
Report.Error (231, ((Parameter) $1).Location, "A params parameter must be the last parameter in a formal parameter list");
$$ = null;
}
- | ARGLIST COMMA fixed_parameters
+ | fixed_parameters COMMA parameter_array COMMA error
+ {
+ if ($3 != null)
+ Report.Error (231, ((Parameter) $3).Location, "A params parameter must be the last parameter in a formal parameter list");
+ $$ = null;
+ }
+ | ARGLIST COMMA error
{
Report.Error (257, (Location) $1, "An __arglist parameter must be the last parameter in a formal parameter list");
$$ = null;
}
+ | fixed_parameters COMMA ARGLIST COMMA error
+ {
+ Report.Error (257, (Location) $3, "An __arglist parameter must be the last parameter in a formal parameter list");
+ $$ = null;
+ }
| parameter_array
{
$$ = new Parameters (new Parameter[] { (Parameter) $1 } );
opt_parameter_modifier
: /* empty */ { $$ = Parameter.Modifier.NONE; }
- | parameter_modifier
+ | parameter_modifiers
+ ;
+
+parameter_modifiers
+ : parameter_modifier
+ {
+ $$ = $1;
+ }
+ | parameter_modifiers parameter_modifier
+ {
+ Parameter.Modifier p2 = (Parameter.Modifier)$2;
+ Parameter.Modifier mod = (Parameter.Modifier)$1 | p2;
+ if (((Parameter.Modifier)$1 & p2) == p2) {
+ Error_DuplicateParameterModifier (lexer.Location, p2);
+ } else {
+ Report.Error (1108, lexer.Location, "A parameter cannot have specified more than one modifier");
+ }
+ $$ = mod;
+ }
;
parameter_modifier
: REF { $$ = Parameter.Modifier.REF; }
| OUT { $$ = Parameter.Modifier.OUT; }
+ | THIS { $$ = Parameter.Modifier.This; }
;
parameter_array
{
LocatedToken lt = (LocatedToken) $4;
$$ = new ParamsParameter ((Expression) $3, lt.Value, (Attributes) $1, lt.Location);
- note ("type must be a single-dimension array type");
+ }
+ | opt_attributes PARAMS PARAMS type IDENTIFIER
+ {
+ Error_DuplicateParameterModifier (lexer.Location, Parameter.Modifier.PARAMS);
+ $$ = null;
}
| opt_attributes PARAMS parameter_modifier type IDENTIFIER
{
+ Parameter.Modifier mod = (Parameter.Modifier)$3;
+ if ((mod & Parameter.Modifier.This) != 0) {
+ Report.Error (1104, lexer.Location, "The parameter modifiers `this' and `params' cannot be used altogether");
+ } else {
Report.Error (1611, (Location) $2, "The params parameter cannot be declared as ref or out");
+ }
$$ = null;
}
| opt_attributes PARAMS type error {
break;
Property prop;
- Pair pair = (Pair) $8;
- Accessor get_block = (Accessor) pair.First;
- Accessor set_block = (Accessor) pair.Second;
+ Accessors accessors = (Accessors) $8;
+ Accessor get_block = accessors.get_or_add;
+ Accessor set_block = accessors.set_or_remove;
MemberName name = (MemberName) $4;
prop = new Property (current_class, (Expression) $3, (int) $2,
- false, name, (Attributes) $1, get_block, set_block);
+ false, name, (Attributes) $1, get_block, set_block, accessors.declared_in_reverse);
current_container.AddProperty (prop);
implicit_value_parameter_type = null;
accessor_declarations
: get_accessor_declaration
{
- $$ = new Pair ($1, null);
+ $$ = new Accessors ((Accessor) $1, null);
}
| get_accessor_declaration accessor_declarations
{
- Pair pair = (Pair) $2;
- pair.First = $1;
- $$ = pair;
+ Accessors accessors = (Accessors) $2;
+ accessors.get_or_add = (Accessor) $1;
+ $$ = accessors;
}
| set_accessor_declaration
{
- $$ = new Pair (null, $1);
+ $$ = new Accessors (null, (Accessor) $1);
}
| set_accessor_declaration accessor_declarations
{
- Pair pair = (Pair) $2;
- pair.Second = $1;
- $$ = pair;
+ Accessors accessors = (Accessors) $2;
+ accessors.set_or_remove = (Accessor) $1;
+ accessors.declared_in_reverse = true;
+ $$ = accessors;
}
| error
{
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
- iterator_container = SimpleIteratorContainer.GetSimple ();
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_body
{
current_local_parameters = null;
lexer.PropertyParsing = true;
- if (SimpleIteratorContainer.Simple.Yields)
- accessor.SetYields ();
-
- iterator_container = null;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
if (RootContext.Documentation != null)
if (Lexer.doc_state == XmlCommentState.Error)
lexer.PropertyParsing = false;
- iterator_container = SimpleIteratorContainer.GetSimple ();
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_body
{
current_local_parameters = null;
lexer.PropertyParsing = true;
- if (SimpleIteratorContainer.Simple.Yields)
- accessor.SetYields ();
-
- iterator_container = null;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
if (RootContext.Documentation != null
&& Lexer.doc_state == XmlCommentState.Error)
{
MemberName name = MakeName ((MemberName) $5);
- if ($3 != null) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, Kind.Interface, (Location) $3);
-
- current_container = part.PartialContainer;
- current_class = part;
- } else {
- current_class = new Interface (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1);
-
- current_container.AddInterface (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (current_namespace.NS, name, current_class);
- }
+ push_current_class (new Interface (
+ current_namespace, current_class, name, (int) $2,
+ (Attributes) $1), $3);
}
opt_class_base
{
- current_class.Bases = (ArrayList) $7;
+ current_container.AddBasesForPart (current_class, (ArrayList) $7);
if (RootContext.Documentation != null) {
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
SEMICOLON
{
- $$ = new Method (current_class, (Expression) $3, (int) $2, true,
+ $$ = new Method (current_class, null, (Expression) $3, (int) $2, true,
(MemberName) $4, (Parameters) $6, (Attributes) $1);
if (RootContext.Documentation != null)
((Method) $$).DocComment = Lexer.consume_doc_comment ();
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
OPEN_BRACE opt_statement_list CLOSE_BRACE
{
- $$ = new Method (current_class, (Expression) $3, (int) $2, true,
+ $$ = new Method (current_class, null, (Expression) $3, (int) $2, true,
(MemberName) $4, (Parameters) $6, (Attributes) $1);
Report.Error (531, lexer.Location, "`{0}': interface members cannot have a definition",
if ($7 == null) {
p = new Property (current_class, (Expression) $3, (int) $2, true,
name, (Attributes) $1,
- null, null);
+ null, null, false);
Report.Error (548, p.Location, "`{0}': property or indexer must have at least one accessor", p.GetSignatureForError ());
break;
}
- Pair pair = (Pair) $7;
+ Accessors accessor = (Accessors) $7;
p = new Property (current_class, (Expression) $3, (int) $2, true,
name, (Attributes) $1,
- (Accessor)pair.First, (Accessor)pair.Second);
+ accessor.get_or_add, accessor.set_or_remove, accessor.declared_in_reverse);
- if (pair.First != null && ((Accessor)(pair.First)).Block != null) {
+ if (accessor.get_or_add != null && accessor.get_or_add.Block != null) {
Report.Error (531, p.Location, "`{0}.get': interface members cannot have a definition", p.GetSignatureForError ());
$$ = null;
break;
}
- if (pair.Second != null && ((Accessor)(pair.Second)).Block != null) {
+ if (accessor.set_or_remove != null && accessor.set_or_remove.Block != null) {
Report.Error (531, p.Location, "`{0}.set': interface members cannot have a definition", p.GetSignatureForError ());
$$ = null;
break;
{
LocatedToken lt = (LocatedToken) $5;
$$ = new EventField (current_class, (Expression) $4, (int) $2, true,
- new MemberName (lt.Value, lt.Location), null,
+ new MemberName (lt.Value, lt.Location),
(Attributes) $1);
if (RootContext.Documentation != null)
((EventField) $$).DocComment = Lexer.consume_doc_comment ();
i = new Indexer (current_class, (Expression) $3,
new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
(int) $2, true, (Parameters) $6, (Attributes) $1,
- null, null);
+ null, null, false);
Report.Error (548, i.Location, "`{0}': property or indexer must have at least one accessor", i.GetSignatureForError ());
break;
}
- Pair pair = (Pair) $10;
+ Accessors accessors = (Accessors) $10;
i = new Indexer (current_class, (Expression) $3,
new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
(int) $2, true, (Parameters) $6, (Attributes) $1,
- (Accessor)pair.First, (Accessor)pair.Second);
+ accessors.get_or_add, accessors.set_or_remove, accessors.declared_in_reverse);
- if (pair.First != null && ((Accessor)(pair.First)).Block != null) {
+ if (accessors.get_or_add != null && accessors.get_or_add.Block != null) {
Report.Error (531, i.Location, "`{0}.get': interface members cannot have a definition", i.GetSignatureForError ());
$$ = null;
break;
}
- if (pair.Second != null && ((Accessor)(pair.Second)).Block != null) {
+ if (accessors.set_or_remove != null && accessors.set_or_remove.Block != null) {
Report.Error (531, i.Location, "`{0}.set': interface members cannot have a definition", i.GetSignatureForError ());
$$ = null;
break;
operator_declaration
: opt_attributes opt_modifiers operator_declarator
{
- iterator_container = SimpleIteratorContainer.GetSimple ();
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
operator_body
{
Lexer.doc_state = XmlCommentState.Allowed;
}
- if (SimpleIteratorContainer.Simple.Yields)
- op.SetYields ();
+ SimpleAnonymousHost.Simple.Propagate (op);
+ anonymous_host = null;
// Note again, checking is done in semantic analysis
current_container.AddOperator (op);
current_local_parameters = null;
- iterator_container = null;
}
;
;
operator_declarator
: type OPERATOR overloadable_operator
- OPEN_PARENS type IDENTIFIER CLOSE_PARENS
+ open_parens opt_attributes opt_parameter_modifier type IDENTIFIER CLOSE_PARENS
{
- LocatedToken lt = (LocatedToken) $6;
+ // TODO: wrong location
+ if ((Parameter.Modifier)$6 != Parameter.Modifier.NONE)
+ Error_ParameterModifierNotValid ((Location) $2);
+
+ LocatedToken lt = (LocatedToken) $8;
Operator.OpType op = (Operator.OpType) $3;
CheckUnaryOperator (op, lt.Location);
op = Operator.OpType.UnaryNegation;
Parameter [] pars = new Parameter [1];
- Expression type = (Expression) $5;
+ Expression type = (Expression) $7;
- pars [0] = new Parameter (type, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+ pars [0] = new Parameter (type, lt.Value, Parameter.Modifier.NONE, (Attributes) $5, lt.Location);
current_local_parameters = new Parameters (pars);
null, null, (Location) $2);
}
| type OPERATOR overloadable_operator
- OPEN_PARENS
- type IDENTIFIER COMMA
- type IDENTIFIER
+ open_parens
+ opt_attributes opt_parameter_modifier type IDENTIFIER COMMA
+ opt_attributes opt_parameter_modifier type IDENTIFIER
CLOSE_PARENS
{
- LocatedToken ltParam1 = (LocatedToken) $6;
- LocatedToken ltParam2 = (LocatedToken) $9;
+ // TODO: wrong location
+ if ((Parameter.Modifier)$6 != Parameter.Modifier.NONE || (Parameter.Modifier)$11 != Parameter.Modifier.NONE)
+ Error_ParameterModifierNotValid ((Location) $2);
+
+ LocatedToken ltParam1 = (LocatedToken) $8;
+ LocatedToken ltParam2 = (LocatedToken) $13;
CheckBinaryOperator ((Operator.OpType) $3, (Location) $2);
Parameter [] pars = new Parameter [2];
- Expression typeL = (Expression) $5;
- Expression typeR = (Expression) $8;
+ Expression typeL = (Expression) $7;
+ Expression typeR = (Expression) $12;
- pars [0] = new Parameter (typeL, ltParam1.Value, Parameter.Modifier.NONE, null, ltParam1.Location);
- pars [1] = new Parameter (typeR, ltParam2.Value, Parameter.Modifier.NONE, null, ltParam2.Location);
+ pars [0] = new Parameter (typeL, ltParam1.Value, Parameter.Modifier.NONE, (Attributes) $5, ltParam1.Location);
+ pars [1] = new Parameter (typeR, ltParam2.Value, Parameter.Modifier.NONE, (Attributes) $10, ltParam2.Location);
current_local_parameters = new Parameters (pars);
}
| conversion_operator_declarator
| type OPERATOR overloadable_operator
- OPEN_PARENS
- type IDENTIFIER COMMA
- type IDENTIFIER COMMA
- type IDENTIFIER
- CLOSE_PARENS
+ open_parens
+ opt_attributes opt_parameter_modifier type IDENTIFIER COMMA
+ opt_attributes opt_parameter_modifier type IDENTIFIER COMMA error
{
Report.Error (1534, (Location) $2, "Overloaded binary operator `{0}' takes two parameters",
Operator.GetName ((Operator.OpType) $3));
$$ = null;
}
| type OPERATOR overloadable_operator
- OPEN_PARENS CLOSE_PARENS
+ open_parens CLOSE_PARENS
{
Report.Error (1535, (Location) $2, "Overloaded unary operator `{0}' takes one parameter",
Operator.GetName ((Operator.OpType) $3));
;
conversion_operator_declarator
- : IMPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
+ : IMPLICIT OPERATOR type open_parens opt_parameter_modifier type IDENTIFIER CLOSE_PARENS
{
- LocatedToken lt = (LocatedToken) $6;
+ // TODO: wrong location
+ if ((Parameter.Modifier)$5 != Parameter.Modifier.NONE)
+ Error_ParameterModifierNotValid (GetLocation ($4));
+
+ LocatedToken lt = (LocatedToken) $7;
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+ pars [0] = new Parameter ((Expression) $6, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
current_local_parameters = new Parameters (pars);
Lexer.doc_state = XmlCommentState.NotAllowed;
}
- $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, (Expression) $5, lt.Value,
+ $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, (Expression) $6, lt.Value,
null, null, (Location) $2);
}
- | EXPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
+ | EXPLICIT OPERATOR type open_parens opt_parameter_modifier type IDENTIFIER CLOSE_PARENS
{
- LocatedToken lt = (LocatedToken) $6;
+ // TODO: wrong location
+ if ((Parameter.Modifier)$5 != Parameter.Modifier.NONE)
+ Error_ParameterModifierNotValid (GetLocation ($4));
+
+ LocatedToken lt = (LocatedToken) $7;
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+ pars [0] = new Parameter ((Expression) $6, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
current_local_parameters = new Parameters (pars);
Lexer.doc_state = XmlCommentState.NotAllowed;
}
- $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, (Expression) $5, lt.Value,
+ $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, (Expression) $6, lt.Value,
null, null, (Location) $2);
}
| IMPLICIT error
"`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
c.GetSignatureForError ());
}
-
- if (!c.Parameters.Empty){
- Report.Error (132, c.Location,
- "`{0}': The static constructor must be parameterless", c.GetSignatureForError ());
- }
} else {
c.ModFlags = Modifiers.Check (Constructor.AllowedModifiers, (int) $2, Modifiers.PRIVATE, c.Location);
}
;
constructor_declarator
+ : constructor_header
+ {
+ $$ = $1;
+ }
+ | constructor_header constructor_initializer
+ {
+ ((Constructor)$1).Initializer = (ConstructorInitializer) $2;
+ $$ = $1;
+ }
+ ;
+
+constructor_header
: IDENTIFIER
{
if (RootContext.Documentation != null) {
Lexer.doc_state = XmlCommentState.Allowed;
}
}
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- {
- current_local_parameters = (Parameters) $4;
- }
- opt_constructor_initializer
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
LocatedToken lt = (LocatedToken) $1;
- $$ = new Constructor (current_class, lt.Value, 0, (Parameters) $4,
- (ConstructorInitializer) $7, lt.Location);
+ current_local_parameters = (Parameters) $4;
+ current_block = new ToplevelBlock (null, current_local_parameters, null, lt.Location);
+
+ $$ = new Constructor (current_class, lt.Value, 0, current_local_parameters,
+ null, lt.Location);
+
+ anonymous_host = (IAnonymousHost) $$;
}
;
constructor_body
- : block
- | SEMICOLON { $$ = null; }
- ;
-
-opt_constructor_initializer
- : /* empty */ { $$ = null; }
- | constructor_initializer
+ : block_prepared
+ | SEMICOLON { current_block = null; $$ = null; }
;
constructor_initializer
- : COLON BASE OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : COLON BASE open_parens opt_argument_list CLOSE_PARENS
{
$$ = new ConstructorBaseInitializer ((ArrayList) $4, (Location) $2);
}
- | COLON THIS OPEN_PARENS opt_argument_list CLOSE_PARENS
+ | COLON THIS open_parens opt_argument_list CLOSE_PARENS
{
$$ = new ConstructorThisInitializer ((ArrayList) $4, (Location) $2);
}
opt_modifiers
EVENT type variable_declarators SEMICOLON
{
+ current_array_type = null;
foreach (VariableDeclaration var in (ArrayList) $5) {
MemberName name = new MemberName (var.identifier,
var.Location);
- Event e = new EventField (
+ EventField e = new EventField (
current_class, (Expression) $4, (int) $2, false, name,
- var.expression_or_array_initializer, (Attributes) $1);
+ (Attributes) $1);
+
+ e.Initializer = var.expression_or_array_initializer;
current_container.AddEvent (e);
current_container.Name, name.ToString ());
$$ = null;
} else {
- Pair pair = (Pair) $8;
- if (pair.First == null || pair.Second == null)
+ Accessors accessors = (Accessors) $8;
+ if (accessors.get_or_add == null || accessors.set_or_remove == null)
// CS0073 is already reported, so no CS0065 here.
$$ = null;
else {
Event e = new EventProperty (
- current_class, (Expression) $4, (int) $2, false, name, null,
- (Attributes) $1, (Accessor) pair.First, (Accessor) pair.Second);
+ current_class, (Expression) $4, (int) $2, false, name,
+ (Attributes) $1, accessors.get_or_add, accessors.set_or_remove);
if (RootContext.Documentation != null) {
e.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
event_accessor_declarations
: add_accessor_declaration remove_accessor_declaration
{
- $$ = new Pair ($1, $2);
+ $$ = new Accessors ((Accessor) $1, (Accessor) $2);
}
| remove_accessor_declaration add_accessor_declaration
{
- $$ = new Pair ($2, $1);
+ Accessors accessors = new Accessors ((Accessor) $2, (Accessor) $1);
+ accessors.declared_in_reverse = true;
+ $$ = accessors;
}
| add_accessor_declaration { $$ = null; }
| remove_accessor_declaration { $$ = null; }
current_local_parameters = new Parameters (args);
lexer.EventParsing = false;
+
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
- block
+ block
{
- $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
+ Accessor accessor = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
lexer.EventParsing = true;
+
+ current_local_parameters = null;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
+
+ $$ = accessor;
}
| opt_attributes ADD error {
Report.Error (73, (Location) $2, "An add or remove accessor must have a body");
parsing_indexer = true;
indexer_parameters = decl.param_list;
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_declarations
{
Indexer indexer;
IndexerDeclaration decl = (IndexerDeclaration) $3;
Location loc = decl.location;
- Pair pair = (Pair) $6;
- Accessor get_block = (Accessor) pair.First;
- Accessor set_block = (Accessor) pair.Second;
+ Accessors accessors = (Accessors) $6;
+ Accessor get_block = accessors.get_or_add;
+ Accessor set_block = accessors.set_or_remove;
MemberName name;
if (decl.interface_type != null)
indexer = new Indexer (current_class, decl.type, name,
(int) $2, false, decl.param_list, (Attributes) $1,
- get_block, set_block);
+ get_block, set_block, accessors.declared_in_reverse);
if (RootContext.Documentation != null)
indexer.DocComment = ConsumeStoredComment ();
enum_declaration
: opt_attributes
opt_modifiers
- opt_partial
ENUM IDENTIFIER
opt_enum_base {
if (RootContext.Documentation != null)
enum_body
opt_semicolon
{
- LocatedToken lt = (LocatedToken) $5;
+ LocatedToken lt = (LocatedToken) $4;
Location enum_location = lt.Location;
- if ($3 != null) {
- Report.Error (267, lt.Location, "The partial modifier can only appear immediately before `class', `struct' or `interface'");
- break; // assumes that the parser put us in a switch
- }
-
MemberName name = MakeName (new MemberName (lt.Value, enum_location));
- Enum e = new Enum (current_namespace, current_class, (Expression) $6, (int) $2,
+ Enum e = new Enum (current_namespace, current_class, (Expression) $5, (int) $2,
name, (Attributes) $1);
if (RootContext.Documentation != null)
EnumMember em = null;
- foreach (VariableDeclaration ev in (ArrayList) $8) {
- em = new EnumMember (e, em, (Expression) ev.expression_or_array_initializer,
- new MemberName (ev.identifier, ev.Location), ev.OptAttributes);
+ foreach (VariableDeclaration ev in (ArrayList) $7) {
+ em = new EnumMember (
+ e, em, ev.identifier, (Expression) ev.expression_or_array_initializer,
+ ev.OptAttributes, ev.Location);
// if (RootContext.Documentation != null)
em.DocComment = ev.DocComment;
e.AddEnumMember (em);
}
- current_container.AddEnum (e);
- RootContext.Tree.RecordDecl (current_namespace.NS, name, e);
+ current_container.AddTypeContainer (e);
$$ = e;
}
SEMICOLON
{
MemberName name = MakeName ((MemberName) $5);
+ Parameters p = (Parameters) $7;
+ if (p.HasArglist) {
+ // TODO: wrong location
+ Report.Error (1669, name.Location, "__arglist is not valid in this context");
+ }
+
Delegate del = new Delegate (current_namespace, current_class, (Expression) $4,
- (int) $2, name, (Parameters) $7, (Attributes) $1);
+ (int) $2, name, p, (Attributes) $1);
if (RootContext.Documentation != null) {
del.DocComment = Lexer.consume_doc_comment ();
}
current_container.AddDelegate (del);
- RootContext.Tree.RecordDecl (current_namespace.NS, name, del);
$$ = del;
}
;
array_type
: type rank_specifiers
{
- $$ = new ComposedCast ((Expression) $1, (string) $2);
+ $$ = current_array_type = new ComposedCast ((Expression) $1, (string) $2);
}
;
{
// 7.5.1: Literals
}
-
| member_name
{
MemberName mn = (MemberName) $1;
: OPEN_PARENS expression CLOSE_PARENS
{
$$ = $2;
- lexer.Deambiguate_CloseParens ();
+ lexer.Deambiguate_CloseParens ($$);
// After this, the next token returned is one of
- // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST, CLOSE_PARENS_OPEN_PARENS
+ // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST (CLOSE_PARENS), CLOSE_PARENS_OPEN_PARENS
// or CLOSE_PARENS_MINUS.
}
+ | OPEN_PARENS expression error { CheckToken (1026, yyToken, "Expecting ')'", lexer.Location); }
;
parenthesized_expression
: parenthesized_expression_0 CLOSE_PARENS_NO_CAST
{
$$ = $1;
- }
+ }
+ | parenthesized_expression_0 CLOSE_PARENS
+ {
+ $$ = $1;
+ }
| parenthesized_expression_0 CLOSE_PARENS_MINUS
{
// If a parenthesized expression is followed by a minus, we need to wrap
// in Binary.DoResolve().
$$ = new ParenthesizedExpression ((Expression) $1);
}
- ;;
+ ;
member_access
: primary_expression DOT IDENTIFIER
{
LocatedToken lt = (LocatedToken) $3;
- $$ = new MemberAccess ((Expression) $1, lt.Value, lt.Location);
+ $$ = new MemberAccess ((Expression) $1, lt.Value);
}
| predefined_type DOT IDENTIFIER
{
LocatedToken lt = (LocatedToken) $3;
+ // TODO: Location is wrong as some predefined types doesn't hold a location
$$ = new MemberAccess ((Expression) $1, lt.Value, lt.Location);
}
;
;
invocation_expression
- : primary_expression {
- $$ = lexer.Location;
- } OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : primary_expression OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- if ($1 == null) {
- Location l = (Location) $3;
- Report.Error (1, l, "Parse error");
- }
- $$ = new Invocation ((Expression) $1, (ArrayList) $4);
+ if ($1 == null)
+ Report.Error (1, (Location) $2, "Parse error");
+ else
+ $$ = new Invocation ((Expression) $1, (ArrayList) $3);
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS CLOSE_PARENS
{
Expression expr = new Arglist (args, (Location) $1);
$$ = new Argument (expr, Argument.AType.Expression);
}
+ | ARGLIST OPEN_PARENS CLOSE_PARENS
+ {
+ $$ = new Argument (new Arglist ((Location) $1), Argument.AType.Expression);
+ }
| ARGLIST
{
$$ = new Argument (new ArglistAccess ((Location) $1), Argument.AType.ArgList);
//
$$ = new ComposedCast (expr, (string) $2);
}
+ current_array_type = (Expression)$$;
}
;
;
typeof_expression
- : TYPEOF OPEN_PARENS VOID CLOSE_PARENS
- {
- $$ = new TypeOfVoid ((Location) $1);
+ : TYPEOF
+ {
+ pushed_current_array_type = current_array_type;
}
- | TYPEOF OPEN_PARENS type CLOSE_PARENS
+ OPEN_PARENS type CLOSE_PARENS
{
- $$ = new TypeOf ((Expression) $3, (Location) $1);
+ Expression type = (Expression)$4;
+ if (type == TypeManager.system_void_expr)
+ $$ = new TypeOfVoid ((Location) $1);
+ else
+ $$ = new TypeOf (type, (Location) $1);
+ current_array_type = pushed_current_array_type;
}
;
LocatedToken lt = (LocatedToken) $3;
deref = new Unary (Unary.Operator.Indirection, (Expression) $1, lt.Location);
- $$ = new MemberAccess (deref, lt.Value, lt.Location);
+ $$ = new MemberAccess (deref, lt.Value);
}
;
anonymous_method_expression
: DELEGATE opt_anonymous_method_signature
{
- oob_stack.Push (current_local_parameters);
- current_local_parameters = (Parameters)$2;
-
- // Force the next block to be created as a ToplevelBlock
- oob_stack.Push (current_block);
- oob_stack.Push (top_current_block);
- current_block = null;
- }
+ start_anonymous (false, (Parameters) $2, (Location) $1);
+ }
block
{
- Location loc = (Location) $1;
- top_current_block = (Block) oob_stack.Pop ();
- current_block = (Block) oob_stack.Pop ();
- if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (loc, "anonymous methods");
- $$ = null;
- } else {
- ToplevelBlock anon_block = (ToplevelBlock) $4;
-
- anon_block.Parent = current_block;
- $$ = new AnonymousMethod ((Parameters) $2, (ToplevelBlock) top_current_block,
- anon_block, loc);
- }
- current_local_parameters = (Parameters) oob_stack.Pop ();
+ $$ = end_anonymous ((ToplevelBlock) $4, (Location) $1);
}
;
;
anonymous_method_signature
- : OPEN_PARENS opt_anonymous_method_parameter_list CLOSE_PARENS
+ : open_parens opt_anonymous_method_parameter_list CLOSE_PARENS
{
if ($2 == null)
$$ = Parameters.EmptyReadOnlyParameters;
}
;
+implicitly_typed_lambda_parameter_list
+ : IDENTIFIER {
+ LocatedToken lt = (LocatedToken) $1;
+ ArrayList a = new ArrayList (4);
+
+ a.Add (new Parameter ((Expression)null, lt.Value, Parameter.Modifier.NONE, null, lt.Location));
+ $$ = a;
+ }
+ | implicitly_typed_lambda_parameter_list COMMA IDENTIFIER {
+ LocatedToken lt = (LocatedToken) $3;
+ ArrayList a = (ArrayList) $1;
+ a.Add (new Parameter ((Expression)null, lt.Value, Parameter.Modifier.NONE, null, lt.Location));
+ $$ = a;
+ }
+ ;
+
+explicitly_typed_lambda_parameter_list
+ : explicitly_typed_lambda_parameter
+ {
+ ArrayList pars = new ArrayList (4);
+ pars.Add ($1);
+
+ $$ = pars;
+ }
+ | explicitly_typed_lambda_parameter_list COMMA explicitly_typed_lambda_parameter
+ {
+ ArrayList pars = (ArrayList) $1;
+ pars.Add ($3);
+
+ $$ = pars;
+ }
+ ;
+
+explicitly_typed_lambda_parameter
+ : parameter_modifier type IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $3;
+
+ $$ = new Parameter ((Expression) $2, lt.Value, (Parameter.Modifier) $1, null, lt.Location);
+ }
+ | type IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $2;
+
+ $$ = new Parameter ((Expression) $1, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+ }
+ ;
+
+lambda_parameter_list
+ : implicitly_typed_lambda_parameter_list { $$ = $1; }
+ | explicitly_typed_lambda_parameter_list { $$ = $1; }
+ ;
+
+opt_lambda_parameter_list
+ : /* empty */ { $$ = null; }
+ | lambda_parameter_list {
+ ArrayList pars_list = (ArrayList) $1;
+
+ Parameter [] pars = new Parameter [pars_list.Count];
+ pars_list.CopyTo (pars);
+ $$ = new Parameters (pars);
+ }
+ ;
+
+lambda_expression_body
+ : {
+ start_block (lexer.Location);
+ }
+ expression
+ {
+ Block b = end_block (lexer.Location);
+ b.AddStatement (new ContextualReturn ((Expression) $2));
+ $$ = b;
+ }
+ | block {
+ $$ = $1;
+ }
+ ;
+
+lambda_expression
+ : IDENTIFIER ARROW
+ {
+ Parameter [] pars = new Parameter [1];
+ LocatedToken lt = (LocatedToken) $1;
+ pars [0] = new Parameter ((Expression)null, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+
+ Parameters parameters = new Parameters (pars);
+
+ start_anonymous (true, parameters, (Location) $2);
+ }
+ lambda_expression_body
+ {
+ $$ = end_anonymous ((ToplevelBlock) $4, (Location) $2);
+ }
+ | OPEN_PARENS_LAMBDA opt_lambda_parameter_list CLOSE_PARENS ARROW
+ {
+ start_anonymous (true, (Parameters) $2, (Location) $4);
+ }
+ lambda_expression_body
+ {
+ $$ = end_anonymous ((ToplevelBlock) $6, (Location) $4);
+ }
+ ;
+
expression
: conditional_expression
| assignment_expression
+ | lambda_expression
;
constant_expression
MemberName name = MakeName ((MemberName) $5);
int mod_flags = (int) $2;
- if ($3 != null) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, mod_flags,
- (Attributes) $1, Kind.Class, (Location) $3);
-
- current_container = part.PartialContainer;
- current_class = part;
- } else {
- if ((mod_flags & Modifiers.STATIC) != 0) {
- current_class = new StaticClass (
- current_namespace, current_class, name,
- mod_flags, (Attributes) $1);
- } else {
- current_class = new Class (
- current_namespace, current_class, name,
- mod_flags, (Attributes) $1);
- }
-
- current_container.AddClassOrStruct (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (current_namespace.NS, name, current_class);
- }
+ push_current_class (new Class (
+ current_namespace, current_class, name,
+ mod_flags, (Attributes) $1), $3);
}
opt_class_base
{
"The class System.Object cannot have a base " +
"class or implement an interface.");
}
- current_class.Bases = (ArrayList) $7;
+ current_container.AddBasesForPart (current_class, (ArrayList) $7);
}
if (RootContext.Documentation != null) {
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
: /* empty */ { $$ = (int) 0; }
| modifiers
;
-
+
modifiers
: modifier
| modifiers modifier
}
$$ = (int) (m1 | m2);
}
- ;
+ ;
modifier
: NEW { $$ = Modifiers.NEW; }
block
: OPEN_BRACE
{
- if (current_block == null){
- current_block = new ToplevelBlock ((ToplevelBlock) top_current_block, current_local_parameters, (Location) $1);
- top_current_block = current_block;
- } else {
- current_block = new Block (current_block, (Location) $1, Location.Null);
- }
+ start_block ((Location) $1);
}
opt_statement_list CLOSE_BRACE
{
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block.SetEndLocation ((Location) $4);
- current_block = current_block.Parent;
- if (current_block == null)
- top_current_block = null;
+ $$ = end_block ((Location) $4);
+ }
+ ;
+
+block_prepared
+ : OPEN_BRACE
+ opt_statement_list CLOSE_BRACE
+ {
+ $$ = end_block ((Location) $3);
}
;
LocatedToken lt = (LocatedToken) $1;
LabeledStatement labeled = new LabeledStatement (lt.Value, lt.Location);
- if (current_block.AddLabel (lt.Value, labeled, lt.Location))
+ if (current_block.AddLabel (labeled))
current_block.AddStatement (labeled);
}
statement
declaration_statement
: local_variable_declaration SEMICOLON
{
+ current_array_type = null;
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
Expression e = (Expression) de.Key;
| local_constant_declaration SEMICOLON
{
+ current_array_type = null;
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
if ((string) $2 == "")
$$ = $1;
else
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ $$ = current_array_type = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
}
;
;
expression_statement
- : statement_expression SEMICOLON
- {
- $$ = $1;
- }
+ : statement_expression SEMICOLON { $$ = $1; }
;
//
// because statement_expression is used for example in for_statement
//
statement_expression
- : invocation_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | object_creation_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | assignment_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | post_increment_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | post_decrement_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | pre_increment_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | pre_decrement_expression { $$ = new StatementExpression ((ExpressionStatement) $1); }
- | error {
+ : expression
+ {
+ Expression expr = (Expression) $1;
+ ExpressionStatement s = expr as ExpressionStatement;
+ if (s == null) {
+ expr.Error_InvalidExpressionStatement ();
+ $$ = null;
+ }
+ $$ = new StatementExpression (s);
+ }
+ | error
+ {
Report.Error (1002, GetLocation ($1), "Expecting `;'");
$$ = null;
}
switch_statement
: SWITCH OPEN_PARENS
{
+ if (switch_stack == null)
+ switch_stack = new Stack (2);
switch_stack.Push (current_block);
}
expression CLOSE_PARENS
opt_switch_sections
: /* empty */
{
- Report.Error (1522, lexer.Location, "Empty switch block");
+ Report.Warning (1522, 1, lexer.Location, "Empty switch block");
+ $$ = new ArrayList ();
}
| switch_sections
;
}
statement_list
{
- Block topmost = current_block;
-
- while (topmost.Implicit)
- topmost = topmost.Parent;
- $$ = new SwitchSection ((ArrayList) $1, topmost);
+ $$ = new SwitchSection ((ArrayList) $1, current_block.Explicit);
}
;
;
for_statement
- : FOR OPEN_PARENS
+ : FOR open_parens
opt_for_initializer SEMICOLON
{
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ Location l = lexer.Location;
+ start_block (l);
+ Block assign_block = current_block;
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
if (vi == null)
continue;
- Location l = lexer.Location;
- Expression expr;
- if (decl.expression_or_array_initializer is Expression){
- expr = (Expression) decl.expression_or_array_initializer;
- } else if (decl.expression_or_array_initializer == null) {
- expr = null;
- } else {
- ArrayList init = (ArrayList) decl.expression_or_array_initializer;
- expr = new ArrayCreation (type, "", init, decl.Location);
- }
+ Expression expr = decl.expression_or_array_initializer;
LocalVariableReference var;
var = new LocalVariableReference (assign_block, decl.identifier, l);
For f = new For ((Statement) $5, (Expression) $6, (Statement) $8, (Statement) $10, l);
current_block.AddStatement (f);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+
+ $$ = end_block (lexer.Location);
}
;
{
// CHANGE: was `null'
Statement s = (Statement) $1;
- Block b = new Block (current_block, Block.Flags.Implicit, s.loc, lexer.Location);
+ Block b = new Block (current_block, s.loc, lexer.Location);
b.AddStatement (s);
$$ = b;
;
foreach_statement
- : FOREACH OPEN_PARENS type IN expression CLOSE_PARENS
+ : FOREACH open_parens type IN expression CLOSE_PARENS
{
Report.Error (230, (Location) $1, "Type and identifier are both required in a foreach statement");
$$ = null;
}
- | FOREACH OPEN_PARENS type IDENTIFIER IN
+ | FOREACH open_parens type IDENTIFIER IN
expression CLOSE_PARENS
{
- Block foreach_block = new Block (current_block);
- current_block = foreach_block;
+ start_block (lexer.Location);
+ Block foreach_block = current_block;
LocatedToken lt = (LocatedToken) $4;
Location l = lt.Location;
current_block.AddStatement (f);
}
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+ $$ = end_block (lexer.Location);
}
;
$$ = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (lt.Location, "yield statement");
+ Report.FeatureIsNotISO1 (lt.Location, "yield statement");
$$ = null;
}
- if (iterator_container == null){
+ if (anonymous_host == null){
Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
- iterator_container.SetYields ();
+ anonymous_host.SetYields ();
$$ = new Yield ((Expression) $3, lt.Location);
}
}
$$ = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (lt.Location, "yield statement");
+ Report.FeatureIsNotISO1 (lt.Location, "yield statement");
$$ = null;
}
- if (iterator_container == null){
+ if (anonymous_host == null){
Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
- iterator_container.SetYields ();
+ anonymous_host.SetYields ();
$$ = new YieldBreak (lt.Location);
}
}
one.Add (new VariableDeclaration (lt, null));
- current_block = new Block (current_block);
- Block b = declare_local_variables (type, one, lt.Location);
- current_block = b;
+ start_block (lexer.Location);
+ current_block = declare_local_variables (type, one, lt.Location);
}
}
} block {
Expression type = null;
string id = null;
+ Block var_block = null;
if ($2 != null){
DictionaryEntry cc = (DictionaryEntry) $2;
if (lt != null){
id = lt.Value;
- while (current_block.Implicit)
- current_block = current_block.Parent;
- current_block = current_block.Parent;
+ var_block = end_block (lexer.Location);
}
}
- $$ = new Catch (type, id, (Block) $4, ((Block) $4).loc);
+ $$ = new Catch (type, id, (Block) $4, var_block, ((Block) $4).loc);
}
;
;
catch_args
- : OPEN_PARENS type opt_identifier CLOSE_PARENS
+ : open_parens type opt_identifier CLOSE_PARENS
{
$$ = new DictionaryEntry ($2, $3);
}
;
fixed_statement
- : FIXED OPEN_PARENS
+ : FIXED open_parens
type fixed_pointer_declarators
CLOSE_PARENS
{
Location l = (Location) $1;
int top = list.Count;
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ start_block (lexer.Location);
+ Block assign_block = current_block;
for (int i = 0; i < top; i++){
Pair p = (Pair) list [i];
Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
current_block.AddStatement (f);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+
+ $$ = end_block (lexer.Location);
}
;
;
using_statement
- : USING OPEN_PARENS resource_acquisition CLOSE_PARENS
+ : USING open_parens resource_acquisition CLOSE_PARENS
{
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ start_block (lexer.Location);
+ Block assign_block = current_block;
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
continue;
vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Using);
- Expression expr;
- if (decl.expression_or_array_initializer is Expression){
- expr = (Expression) decl.expression_or_array_initializer;
- } else {
- ArrayList init = (ArrayList) decl.expression_or_array_initializer;
- if (init == null) {
- Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
- }
-
- expr = new ArrayCreation (type, "", init, decl.Location);
+ Expression expr = decl.expression_or_array_initializer;
+ if (expr == null) {
+ Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
}
LocalVariableReference var;
{
Using u = new Using ($5, (Statement) $6, (Location) $1);
current_block.AddStatement (u);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+ $$ = end_block (lexer.Location);
}
;
// </summary>
public class VariableDeclaration {
public string identifier;
- public object expression_or_array_initializer;
+ public Expression expression_or_array_initializer;
public Location Location;
public Attributes OptAttributes;
public string DocComment;
public VariableDeclaration (LocatedToken lt, object eoai, Attributes opt_attrs)
{
this.identifier = lt.Value;
- this.expression_or_array_initializer = eoai;
+ if (eoai is ArrayList) {
+ if (CSharpParser.current_array_type == null)
+ Report.Error (622, lt.Location,
+ "Can only use array initializer expressions to assign to array types. Try using a new expression instead.");
+ this.expression_or_array_initializer = new ArrayCreation (CSharpParser.current_array_type, "", (ArrayList)eoai, lt.Location);
+ } else {
+ this.expression_or_array_initializer = (Expression)eoai;
+ }
this.Location = lt.Location;
this.OptAttributes = opt_attrs;
}
}
//
-// We use this when we do not have an object in advance that is an IIteratorContainer
+// We use this when we do not have an object in advance that is an IAnonymousHost
//
-public class SimpleIteratorContainer : IIteratorContainer {
- public bool Yields;
+public class SimpleAnonymousHost : IAnonymousHost {
+ public static readonly SimpleAnonymousHost Simple = new SimpleAnonymousHost ();
- public static SimpleIteratorContainer Simple = new SimpleIteratorContainer ();
+ bool yields;
+ ArrayList anonymous_methods;
- //
- // Reset and return
- //
- public static SimpleIteratorContainer GetSimple () {
- Simple.Yields = false;
+ public static SimpleAnonymousHost GetSimple () {
+ Simple.yields = false;
+ Simple.anonymous_methods = null;
return Simple;
}
- public void SetYields () { Yields = true; }
+ public void SetYields ()
+ {
+ yields = true;
+ }
+
+ public void AddAnonymousMethod (AnonymousMethodExpression anonymous)
+ {
+ if (anonymous_methods == null)
+ anonymous_methods = new ArrayList ();
+ anonymous_methods.Add (anonymous);
+ }
+
+ public void Propagate (IAnonymousHost real_host)
+ {
+ if (yields)
+ real_host.SetYields ();
+ if (anonymous_methods != null) {
+ foreach (AnonymousMethodExpression ame in anonymous_methods)
+ real_host.AddAnonymousMethod (ame);
+ }
+ }
}
// <summary>
if (expr is Invocation){
Report.Error (1002, expr.Location, "Expecting `;'");
} else {
- Report.Error (201, expr.Location, "Only assignment, call, increment, decrement, and new object expressions can be used as a statement");
+ expr.Error_InvalidExpressionStatement ();
}
}
-TypeContainer pop_current_class ()
+public static void Error_ParameterModifierNotValid (Location loc)
{
- TypeContainer retval = current_class;
+ Report.Error (631, loc, "The modifiers `ref' and `out' are not valid in this context");
+}
+
+static void Error_DuplicateParameterModifier (Location loc, Parameter.Modifier mod)
+{
+ Report.Error (1107, loc, "Duplicate parameter modifier `{0}'",
+ Parameter.GetModifierSignature (mod));
+}
+
+void push_current_class (TypeContainer tc, object partial_token)
+{
+ if (partial_token != null)
+ current_container = current_container.AddPartial (tc);
+ else
+ current_container = current_container.AddTypeContainer (tc);
+ current_class = tc;
+}
+
+DeclSpace pop_current_class ()
+{
+ DeclSpace retval = current_class;
current_class = current_class.Parent;
- current_container = current_container.Parent;
-
- if (current_class != current_container) {
- if (!(current_class is ClassPart) ||
- ((ClassPart) current_class).PartialContainer != current_container)
- throw new InternalErrorException ();
- } else if (current_container is ClassPart)
- current_container = ((ClassPart) current_class).PartialContainer;
+ current_container = current_class.PartialContainer;
return retval;
}
{
Namespace ns = current_namespace.NS;
- if (current_container.Name == ""){
- if (ns.Name != "")
+ if (current_container.Name.Length == 0){
+ if (ns.Name.Length != 0)
return new MemberName (ns.MemberName, class_name);
else
return class_name;
// int j = 1; int k = j + 1;
//
if (current_block.Used)
- implicit_block = new Block (current_block, Block.Flags.Implicit, loc, Location.Null);
+ implicit_block = new Block (current_block, loc, Location.Null);
else
implicit_block = current_block;
foreach (VariableDeclaration decl in inits){
Assign assign;
- Expression expr;
+ Expression expr = decl.expression_or_array_initializer;
- if (decl.expression_or_array_initializer is Expression){
- expr = (Expression) decl.expression_or_array_initializer;
-
- } else {
- ArrayList init = (ArrayList) decl.expression_or_array_initializer;
-
- expr = new ArrayCreation (type, "", init, decl.Location);
- }
-
LocalVariableReference var;
var = new LocalVariableReference (implicit_block, decl.identifier, loc);
Block implicit_block;
if (current_block.Used)
- implicit_block = new Block (current_block, Block.Flags.Implicit);
+ implicit_block = new Block (current_block);
else
implicit_block = current_block;
return implicit_block;
}
-void CheckAttributeTarget (string a, Location l)
+string CheckAttributeTarget (string a, Location l)
{
switch (a) {
-
- case "assembly" : case "module" : case "field" : case "method" : case "param" : case "property" : case "type" :
- return;
-
- default :
- Report.Error (658, l, "`" + a + "' is an invalid attribute target");
- break;
+ case "assembly" : case "module" : case "field" : case "method" : case "param" : case "property" : case "type" :
+ return a;
}
-
+
+ Report.Warning (658, 1, l,
+ "`{0}' is invalid attribute target. All attributes in this attribute section will be ignored", a);
+ return string.Empty;
}
void CheckUnaryOperator (Operator.OpType op, Location l)
}
}
+static CSharpParser ()
+{
+ oob_stack = new Stack ();
+}
+
public CSharpParser (SeekableStreamReader reader, SourceFile file, ArrayList defines)
{
- current_namespace = new NamespaceEntry (null, file, null, Location.Null);
this.name = file.Name;
this.file = file;
- current_container = RootContext.Tree.Types;
- // TODO: Make RootContext.Tree.Types a PartialContainer.
- current_class = current_container;
- current_container.NamespaceEntry = current_namespace;
- oob_stack = new Stack ();
- switch_stack = new Stack ();
-
+ current_namespace = new NamespaceEntry (null, file, null);
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer; // == RootContest.ToplevelTypes
+ oob_stack.Clear ();
lexer = new Tokenizer (reader, file, defines);
}
public void parse ()
{
+ int errors = Report.Errors;
try {
if (yacc_verbose_flag > 1)
yyparse (lexer, new yydebug.yyDebugSimple ());
// Removed for production use, use parser verbose to get the output.
//
// Console.WriteLine (e);
- Report.Error (-25, lexer.Location, "Parsing error");
+ if (Report.Errors == errors)
+ Report.Error (-25, lexer.Location, "Parsing error");
if (yacc_verbose_flag > 0)
Console.WriteLine (e);
}
- RootContext.Tree.Types.NamespaceEntry = null;
+ if (RootContext.ToplevelTypes.NamespaceEntry != null)
+ throw new InternalErrorException ("who set it?");
}
-void CheckToken (int error, int yyToken, string msg, Location loc)
+static void CheckToken (int error, int yyToken, string msg, Location loc)
{
- if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD){
- Report.Error (error, loc, String.Format ("{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ()));
- return;
- }
- Report.Error (error, loc, msg);
+ if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD)
+ Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ());
+ else
+ Report.Error (error, loc, msg);
}
void CheckIdentifierToken (int yyToken, Location loc)
return lexer.Location;
}
+static GenericMethod current_generic_method = null;
+
+void start_block (Location loc)
+{
+ if (current_block == null || parsing_anonymous_method) {
+ current_block = new ToplevelBlock (current_block, current_local_parameters, current_generic_method, loc);
+ parsing_anonymous_method = false;
+ } else {
+ current_block = new ExplicitBlock (current_block, loc, Location.Null);
+ }
+}
+
+Block
+end_block (Location loc)
+{
+ Block retval = current_block.Explicit;
+ retval.SetEndLocation (loc);
+ current_block = retval.Parent;
+ return retval;
+}
+
+void
+start_anonymous (bool lambda, Parameters parameters, Location loc)
+{
+ oob_stack.Push (current_anonymous_method);
+ oob_stack.Push (current_local_parameters);
+
+ current_local_parameters = parameters;
+
+ ToplevelBlock top_current_block = current_block == null ? null : current_block.Toplevel;
+
+ current_anonymous_method = lambda
+ ? new LambdaExpression (
+ current_anonymous_method, current_generic_method, current_container,
+ parameters, top_current_block, loc)
+ : new AnonymousMethodExpression (
+ current_anonymous_method, current_generic_method, current_container,
+ parameters, top_current_block, loc);
+
+ // Force the next block to be created as a ToplevelBlock
+ parsing_anonymous_method = true;
+}
+
+/*
+ * Completes the anonymous method processing, if lambda_expr is null, this
+ * means that we have a Statement instead of an Expression embedded
+ */
+AnonymousMethodExpression
+end_anonymous (ToplevelBlock anon_block, Location loc)
+{
+ AnonymousMethodExpression retval;
+
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotISO1 (loc, "anonymous methods");
+ retval = null;
+ } else {
+ current_anonymous_method.Block = anon_block;
+ if ((anonymous_host != null) && (current_anonymous_method.Parent == null))
+ anonymous_host.AddAnonymousMethod (current_anonymous_method);
+
+ retval = current_anonymous_method;
+ }
+
+ current_local_parameters = (Parameters) oob_stack.Pop ();
+ current_anonymous_method = (AnonymousMethodExpression) oob_stack.Pop ();
+
+ return retval;
+}
+
/* end end end */
}
projects / mono.git / blobdiff