X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fgmcs%2Fcs-parser.jay;h=112788986c9d52bac6f08d7b0e8de11dfebd1320;hb=dd866d68820e0f66046256bb5d3f84e3988a8be0;hp=5f8be118e099e11af8bc545ce902a3a83dd67110;hpb=208af1a3a43ae61ec8567e8ea17f087f78918528;p=mono.git
diff --git a/mcs/gmcs/cs-parser.jay b/mcs/gmcs/cs-parser.jay
index 5f8be118e09..112788986c9 100755
--- a/mcs/gmcs/cs-parser.jay
+++ b/mcs/gmcs/cs-parser.jay
@@ -35,48 +35,57 @@ namespace Mono.CSharp
IIteratorContainer iterator_container;
- //
- // Current block is used to add statements as we find
- // them.
- //
+ ///
+ /// Current block is used to add statements as we find
+ /// them.
+ ///
Block current_block;
- //
- // Current interface is used by the various declaration
- // productions in the interface declaration to "add"
- // the interfaces as we find them.
- //
+ ///
+ /// If true, creates a toplevel block in the block production
+ /// This is flagged by the delegate creation
+ ///
+ bool create_toplevel_block;
+
+ ///
+ ///
+ /// Current interface is used by the various declaration
+ /// productions in the interface declaration to "add"
+ /// the interfaces as we find them.
+ ///
Interface current_interface;
- //
- // This is used by the unary_expression code to resolve
- // a name against a parameter.
- //
+ Delegate current_delegate;
+
+ ///
+ /// This is used by the unary_expression code to resolve
+ /// a name against a parameter.
+ ///
Parameters current_local_parameters;
- //
- // Using during property parsing to describe the implicit
- // value parameter that is passed to the "set" and "get"accesor
- // methods (properties and indexers).
- //
+ ///
+ /// Using during property parsing to describe the implicit
+ /// value parameter that is passed to the "set" and "get"accesor
+ /// methods (properties and indexers).
+ ///
Expression implicit_value_parameter_type;
Parameters indexer_parameters;
- //
- // Used to determine if we are parsing the get/set pair
- // of an indexer or a property
- //
+ ///
+ /// Used to determine if we are parsing the get/set pair
+ /// of an indexer or a property
+ ///
bool parsing_indexer;
- //
- // An out-of-band stack.
- //
+ ///
+ /// An out-of-band stack.
+ ///
Stack oob_stack;
- //
- // Switch stack.
- //
+ ///
+ /// Switch stack.
+ ///
Stack switch_stack;
public bool yacc_verbose_flag;
@@ -84,10 +93,17 @@ namespace Mono.CSharp
// Name of the file we are parsing
public string name;
- //
- // The current file.
- //
+ ///
+ /// The current file.
+ ///
SourceFile file;
+
+
+ /// Current attribute target
+ string current_attr_target;
+
+ /// assembly and module attribute definition is enabled
+ bool global_attrs_enabled = true;
%}
%token EOF
@@ -98,6 +114,7 @@ namespace Mono.CSharp
/*
*These are the C# keywords
*/
+%token FIRST_KEYWORD
%token ABSTRACT
%token AS
%token ADD
@@ -179,14 +196,14 @@ namespace Mono.CSharp
%token VOLATILE
%token WHERE
%token WHILE
-
-/* v2 tokens */
-%token YIELD
+%token ARGLIST
/* C# keywords which are not really keywords */
%token GET "get"
%token SET "set"
+%left LAST_KEYWORD
+
/* C# single character operators/punctuation. */
%token OPEN_BRACE "{"
%token CLOSE_BRACE "}"
@@ -207,6 +224,7 @@ namespace Mono.CSharp
%token OP_LT "<"
%token OP_GENERICS_LT "<"
%token OP_GT ">"
+%token OP_GENERICS_GT ">"
%token BITWISE_AND "&"
%token BITWISE_OR "|"
%token STAR "*"
@@ -247,6 +265,11 @@ namespace Mono.CSharp
%token LITERAL_STRING "string literal"
%token IDENTIFIER
+%token CLOSE_PARENS_CAST
+%token CLOSE_PARENS_NO_CAST
+%token CLOSE_PARENS_OPEN_PARENS
+%token CLOSE_PARENS_MINUS
+%token DEFAULT_OPEN_PARENS
/* Add precedence rules to solve dangling else s/r conflict */
%nonassoc LOWPREC
@@ -272,8 +295,8 @@ namespace Mono.CSharp
compilation_unit
: outer_declarations opt_EOF
- | outer_declarations attribute_sections opt_EOF
- | attribute_sections opt_EOF
+ | outer_declarations global_attributes opt_EOF
+ | global_attributes opt_EOF
| opt_EOF /* allow empty files */
;
@@ -306,7 +329,10 @@ using_alias_directive
: USING IDENTIFIER ASSIGN
namespace_or_type_name SEMICOLON
{
- current_namespace.UsingAlias ((string) $2, (string) $4, lexer.Location);
+ current_namespace.UsingAlias ((string) $2, (MemberName) $4, lexer.Location);
+ }
+ | USING error {
+ CheckIdentifierToken (yyToken);
}
;
@@ -323,21 +349,14 @@ using_namespace_directive
// detach them
//
namespace_declaration
- : opt_attributes NAMESPACE qualified_identifier
+ : opt_attributes NAMESPACE namespace_name
{
- Attributes attrs = (Attributes) $1;
-
- if (attrs != null) {
- foreach (AttributeSection asec in attrs.AttributeSections)
- if (asec.Target == "assembly")
- RootContext.AddGlobalAttributeSection (current_container, asec);
- else
- Report.Error(1518, Lexer.Location,
- "Attributes cannot be applied to namespaces."
+ if ($1 != null) {
+ Report.Error(1518, Lexer.Location, "Attributes cannot be applied to namespaces."
+ " Expected class, delegate, enum, interface, or struct");
}
- current_namespace = RootContext.Tree.RecordNamespace (current_namespace, file, (string) $3);
+ current_namespace = RootContext.Tree.RecordNamespace (current_namespace, file, (string) $3, lexer.Location);
}
namespace_body opt_semicolon
{
@@ -355,15 +374,15 @@ opt_comma
| COMMA
;
-qualified_identifier
- : IDENTIFIER
- | qualified_identifier DOT IDENTIFIER {
- $$ = (($1).ToString ()) + "." + ($3.ToString ()); }
- ;
+namespace_name
+ : namespace_or_type_name {
+ MemberName name = (MemberName) $1;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "namespace name expected");
-namespace_name
- : qualified_identifier
+ $$ = name.GetName ();
+ }
;
namespace_body
@@ -418,6 +437,13 @@ namespace_member_declaration
| namespace_declaration {
current_namespace.DeclarationFound = true;
}
+
+ | field_declaration {
+ Report.Error (116, lexer.Location, "A namespace can only contain types and namespace declarations");
+ }
+ | method_declaration {
+ Report.Error (116, lexer.Location, "A namespace can only contain types and namespace declarations");
+ }
;
type_declaration
@@ -430,6 +456,7 @@ type_declaration
// Enable this when we have handled all errors, because this acts as a generic fallback
//
// | error {
+// Console.WriteLine ("Token=" + yyToken);
// Report.Error (1518, lexer.Location, "Expected class, struct, interface, enum or delegate");
// }
;
@@ -438,58 +465,93 @@ type_declaration
// Attributes 17.2
//
+global_attributes
+ : attribute_sections
+{
+ if ($1 != null)
+ CodeGen.Assembly.AddAttributes (((Attributes)$1).Attrs);
+
+ $$ = $1;
+}
+
opt_attributes
: /* empty */
- | attribute_sections { $$ = $1; }
+ {
+ global_attrs_enabled = false;
+ $$ = null;
+ }
+ | attribute_sections
+ {
+ global_attrs_enabled = false;
+ $$ = $1;
+ }
;
+
attribute_sections
: attribute_section
{
- AttributeSection sect = (AttributeSection) $1;
+ ArrayList sect = (ArrayList) $1;
- if (sect.Target == "assembly")
- RootContext.AddGlobalAttributeSection (current_container, sect);
-
-
- $$ = new Attributes ((AttributeSection) $1);
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target == "assembly") {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = null;
+ } else {
+ $$ = new Attributes (sect);
+ }
+ } else {
+ $$ = new Attributes (sect);
}
+ current_attr_target = null;
+ }
| attribute_sections attribute_section
{
- Attributes attrs = null;
- AttributeSection sect = (AttributeSection) $2;
-
- if (sect.Target == "assembly")
- RootContext.AddGlobalAttributeSection (current_container, sect);
+ Attributes attrs = $1 as Attributes;
+ ArrayList sect = (ArrayList) $2;
- if ($1 != null) {
- attrs = (Attributes) $1;
- attrs.AddAttributeSection (sect);
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target == "assembly") {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = null;
+ } else {
+ if (attrs == null)
+ attrs = new Attributes (sect);
+ else
+ attrs.AddAttributes (sect);
+ }
+ } else {
+ if (attrs == null)
+ attrs = new Attributes (sect);
+ else
+ attrs.AddAttributes (sect);
}
-
$$ = attrs;
+ current_attr_target = null;
}
;
attribute_section
: OPEN_BRACKET attribute_target_specifier attribute_list opt_comma CLOSE_BRACKET
{
- string target = null;
-
- if ($2 != null)
- target = (string) $2;
-
- $$ = new AttributeSection (target, (ArrayList) $3);
+ $$ = $3;
}
| OPEN_BRACKET attribute_list opt_comma CLOSE_BRACKET
{
- $$ = new AttributeSection (null, (ArrayList) $2);
+ $$ = $2;
}
;
attribute_target_specifier
: attribute_target COLON
{
+ current_attr_target = (string)$1;
$$ = $1;
}
;
@@ -529,15 +591,24 @@ attribute
}
opt_attribute_arguments
{
- //
- // Attributes need a string, not an expression: generic types will fail here.
- //
- $$ = new Attribute (((Expression) $1).ToString (), (ArrayList) $3, (Location) $2);
+ MemberName mname = (MemberName) $1;
+ if (mname.IsGeneric) {
+ Report.Error (404, lexer.Location,
+ "'<' unexpected: attributes cannot be generic");
+ }
+
+ string name = mname.GetName ();
+ if (current_attr_target == "assembly" || current_attr_target == "module")
+ $$ = new GlobalAttribute (current_container, current_attr_target,
+ name, (ArrayList) $3, (Location) $2);
+ else
+ $$ = new Attribute (current_attr_target, name, (ArrayList) $3,
+ (Location) $2);
}
;
attribute_name
- : type_name { /* reserved attribute name or identifier: 17.4 */ }
+ : namespace_or_type_name { /* reserved attribute name or identifier: 17.4 */ }
;
opt_attribute_arguments
@@ -660,23 +731,29 @@ class_member_declaration
struct_declaration
: opt_attributes
opt_modifiers
- STRUCT IDENTIFIER
+ STRUCT member_name
{
Struct new_struct;
- string full_struct_name = MakeName ((string) $4);
+ MemberName full_struct_name = MakeName ((MemberName) $4);
- new_struct = new Struct (current_container, full_struct_name, (int) $2,
- (Attributes) $1, lexer.Location);
+ new_struct = new Struct (current_namespace, current_container, full_struct_name,
+ (int) $2, (Attributes) $1, lexer.Location);
current_container = new_struct;
- current_container.Namespace = current_namespace;
- RootContext.Tree.RecordDecl (full_struct_name, new_struct);
+ RootContext.Tree.RecordDecl (full_struct_name.GetName (true), new_struct);
+ lexer.ConstraintsParsing = true;
}
opt_class_base
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ }
struct_body
opt_semicolon
{
Struct new_struct = (Struct) current_container;
+ CheckDef (new_struct.SetParameterInfo ((ArrayList) $7), new_struct.Name, new_struct.Location);
+
if ($6 != null)
new_struct.Bases = (ArrayList) $6;
@@ -684,6 +761,9 @@ struct_declaration
CheckDef (current_container.AddStruct (new_struct), new_struct.Name, new_struct.Location);
$$ = new_struct;
}
+ | opt_attributes opt_modifiers STRUCT error {
+ CheckIdentifierToken (yyToken);
+ }
;
struct_body
@@ -885,12 +965,36 @@ opt_error_modifier
method_header
: opt_attributes
opt_modifiers
- type
- member_name
+ type namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
- Method method = new Method ((Expression) $3, (int) $2, (string) $4,
- (Parameters) $6, (Attributes) $1, lexer.Location);
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $4;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Contraints are not allowed on non-generic declarations");
+
+ Method method;
+
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_container,
+ name, lexer.Location);
+
+ CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+
+ method = new Method (generic, (Expression) $3, (int) $2, false, name,
+ (Parameters) $6, (Attributes) $1, lexer.Location);
+ } else
+ method = new Method (current_container, (Expression) $3, (int) $2,
+ false, name, (Parameters) $6, (Attributes) $1,
+ lexer.Location);
current_local_parameters = (Parameters) $6;
@@ -898,12 +1002,55 @@ method_header
}
| opt_attributes
opt_modifiers
- VOID
- member_name
+ VOID namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
- Method method = new Method (TypeManager.system_void_expr, (int) $2, (string) $4,
- (Parameters) $6, (Attributes) $1, lexer.Location);
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $4;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Contraints are not allowed on non-generic declarations");
+
+ Method method;
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_container,
+ name, lexer.Location);
+
+
+ CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+
+ method = new Method (generic, TypeManager.system_void_expr, (int) $2,
+ false, name, (Parameters) $6, (Attributes) $1,
+ lexer.Location);
+ } else
+ method = new Method (current_container, TypeManager.system_void_expr,
+ (int) $2, false, name, (Parameters) $6,
+ (Attributes) $1, lexer.Location);
+
+ current_local_parameters = (Parameters) $6;
+
+ $$ = method;
+ }
+ | opt_attributes
+ opt_modifiers
+ type
+ modifiers namespace_or_type_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ {
+ Report.Error (1585, lexer.Location,
+ String.Format ("Modifier {0} should appear before type",
+ Modifiers.Name ((int) $4)));
+ MemberName name = (MemberName) $4;
+
+ Method method = new Method (current_container, TypeManager.system_void_expr,
+ 0, false, name, (Parameters) $6, (Attributes) $1,
+ lexer.Location);
current_local_parameters = (Parameters) $6;
$$ = method;
@@ -939,10 +1086,23 @@ formal_parameter_list
$$ = new Parameters (pars, (Parameter) $3, lexer.Location);
}
+ | fixed_parameters COMMA ARGLIST
+ {
+ ArrayList pars_list = (ArrayList) $1;
+
+ Parameter [] pars = new Parameter [pars_list.Count];
+ pars_list.CopyTo (pars);
+
+ $$ = new Parameters (pars, true, lexer.Location);
+ }
| parameter_array
{
$$ = new Parameters (null, (Parameter) $1, lexer.Location);
}
+ | ARGLIST
+ {
+ $$ = new Parameters (null, true, lexer.Location);
+ }
;
fixed_parameters
@@ -970,6 +1130,13 @@ fixed_parameter
{
$$ = new Parameter ((Expression) $3, (string) $4, (Parameter.Modifier) $2, (Attributes) $1);
}
+ | opt_attributes
+ opt_parameter_modifier
+ type
+ error {
+ CheckIdentifierToken (yyToken);
+ $$ = null;
+ }
;
opt_parameter_modifier
@@ -988,16 +1155,16 @@ parameter_array
$$ = new Parameter ((Expression) $3, (string) $4, Parameter.Modifier.PARAMS, (Attributes) $1);
note ("type must be a single-dimension array type");
}
- ;
-
-member_name
- : qualified_identifier
+ | opt_attributes PARAMS type error {
+ CheckIdentifierToken (yyToken);
+ $$ = null;
+ }
;
property_declaration
: opt_attributes
opt_modifiers
- type member_name
+ type namespace_or_type_name
OPEN_BRACE
{
implicit_value_parameter_type = (Expression) $3;
@@ -1005,6 +1172,8 @@ property_declaration
lexer.PropertyParsing = true;
$$ = lexer.Location;
+
+ iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_declarations
{
@@ -1017,12 +1186,19 @@ property_declaration
Accessor get_block = (Accessor) pair.First;
Accessor set_block = (Accessor) pair.Second;
+ MemberName name = (MemberName) $4;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "a property can't have type arguments");
+
Location loc = (Location) $6;
- prop = new Property ((Expression) $3, (string) $4, (int) $2, get_block, set_block,
- (Attributes) $1, loc);
+ prop = new Property (current_container, (Expression) $3, (int) $2, false,
+ name, (Attributes) $1, get_block, set_block, loc);
+ if (SimpleIteratorContainer.Simple.Yields)
+ prop.SetYields ();
CheckDef (current_container.AddProperty (prop), prop.Name, loc);
implicit_value_parameter_type = null;
+ iterator_container = null;
}
;
@@ -1111,57 +1287,43 @@ accessor_body
interface_declaration
: opt_attributes
opt_modifiers
- INTERFACE IDENTIFIER
+ INTERFACE member_name
{
Interface new_interface;
- string full_interface_name = MakeName ((string) $4);
+ MemberName full_interface_name = MakeName ((MemberName) $4);
- new_interface = new Interface (current_container, full_interface_name, (int) $2,
- (Attributes) $1, lexer.Location);
+ new_interface = new Interface (current_namespace, current_container, full_interface_name,
+ (int) $2, (Attributes) $1, lexer.Location);
if (current_interface != null) {
Location l = lexer.Location;
Report.Error (-2, l, "Internal compiler error: interface inside interface");
}
current_interface = new_interface;
- new_interface.Namespace = current_namespace;
- RootContext.Tree.RecordDecl (full_interface_name, new_interface);
+ current_container = new_interface;
+ RootContext.Tree.RecordDecl (
+ full_interface_name.GetName (true), new_interface);
+ lexer.ConstraintsParsing = true;
+ }
+ opt_class_base
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
}
- opt_interface_base
interface_body opt_semicolon
{
Interface new_interface = (Interface) current_interface;
+ CheckDef (new_interface.SetParameterInfo ((ArrayList) $7), new_interface.Name, new_interface.Location);
if ($6 != null)
new_interface.Bases = (ArrayList) $6;
current_interface = null;
+ current_container = current_container.Parent;
CheckDef (current_container.AddInterface (new_interface),
new_interface.Name, new_interface.Location);
}
- ;
-
-opt_interface_base
- : /* empty */ { $$ = null; }
- | interface_base
- ;
-
-interface_base
- : COLON interface_type_list { $$ = $2; }
- ;
-
-interface_type_list
- : interface_type
- {
- ArrayList interfaces = new ArrayList (4);
-
- interfaces.Add ($1);
- $$ = interfaces;
- }
- | interface_type_list COMMA interface_type
- {
- ArrayList interfaces = (ArrayList) $1;
- interfaces.Add ($3);
- $$ = interfaces;
+ | opt_attributes opt_modifiers INTERFACE error {
+ CheckIdentifierToken (yyToken);
}
;
@@ -1184,50 +1346,101 @@ interface_member_declarations
interface_member_declaration
: interface_method_declaration
{
- InterfaceMethod m = (InterfaceMethod) $1;
+ Method m = (Method) $1;
CheckDef (current_interface.AddMethod (m), m.Name, m.Location);
}
| interface_property_declaration
{
- InterfaceProperty p = (InterfaceProperty) $1;
+ Property p = (Property) $1;
CheckDef (current_interface.AddProperty (p), p.Name, p.Location);
}
| interface_event_declaration
{
- InterfaceEvent e = (InterfaceEvent) $1;
-
- CheckDef (current_interface.AddEvent (e), e.Name, lexer.Location);
+ if ($1 != null){
+ Event e = (Event) $1;
+ CheckDef (current_interface.AddEvent (e), e.Name, lexer.Location);
+ }
}
| interface_indexer_declaration
{
- InterfaceIndexer i = (InterfaceIndexer) $1;
+ Indexer i = (Indexer) $1;
- CheckDef (current_interface.AddIndexer (i), "indexer", i.Location);
+ current_interface.AddIndexer (i);
}
;
opt_new
- : /* empty */ { $$ = false; }
- | NEW { $$ = true; }
+ : opt_modifiers
+ {
+ int val = (int) $1;
+ val = Modifiers.Check (Modifiers.NEW | Modifiers.UNSAFE, val, 0, lexer.Location);
+ $$ = val;
+ }
;
interface_method_declaration
- : opt_attributes opt_new type IDENTIFIER
+ : opt_attributes opt_new type namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
SEMICOLON
{
- $$ = new InterfaceMethod ((Expression) $3, (string) $4, (bool) $2,
- (Parameters) $6, (Attributes) $1, lexer.Location);
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $4;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Contraints are not allowed on non-generic declarations");
+
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_container,
+ name, lexer.Location);
+
+ CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+
+ $$ = new Method (generic, (Expression) $3, (int) $2, true, name,
+ (Parameters) $6, (Attributes) $1, lexer.Location);
+ } else
+ $$ = new Method (current_container, (Expression) $3, (int) $2, true,
+ name, (Parameters) $6, (Attributes) $1,
+ lexer.Location);
}
- | opt_attributes opt_new VOID IDENTIFIER
+ | opt_attributes opt_new VOID namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
SEMICOLON
{
- $$ = new InterfaceMethod (
- TypeManager.system_void_expr, (string) $4, (bool) $2, (Parameters) $6,
- (Attributes) $1, lexer.Location);
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $4;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Contraints are not allowed on non-generic declarations");
+
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_container,
+ name, lexer.Location);
+
+ CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+
+ $$ = new Method (generic, TypeManager.system_void_expr, (int) $2,
+ true, name, (Parameters) $6, (Attributes) $1,
+ lexer.Location);
+ } else
+ $$ = new Method (current_container, TypeManager.system_void_expr,
+ (int) $2, true, name, (Parameters) $6,
+ (Attributes) $1, lexer.Location);
}
;
@@ -1237,33 +1450,52 @@ interface_property_declaration
type IDENTIFIER
OPEN_BRACE
{ lexer.PropertyParsing = true; }
- interface_accesors
+ interface_accessors
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
- int gs = (int) $7;
+ InterfaceAccessorInfo pinfo = (InterfaceAccessorInfo) $7;
- $$ = new InterfaceProperty ((Expression) $3, (string) $4, (bool) $2,
- (gs & 1) == 1, (gs & 2) == 2, (Attributes) $1,
- lexer.Location);
+ $$ = new Property (current_container, (Expression) $3, (int) $2, true,
+ new MemberName ((string) $4), (Attributes) $1,
+ pinfo.Get, pinfo.Set, lexer.Location);
+ }
+ | opt_attributes
+ opt_new
+ type error {
+ CheckIdentifierToken (yyToken);
+ $$ = null;
}
;
-interface_accesors
- : opt_attributes GET SEMICOLON { $$ = 1; }
- | opt_attributes SET SEMICOLON { $$ = 2; }
+interface_accessors
+ : opt_attributes GET SEMICOLON { $$ = new InterfaceAccessorInfo (true, false, (Attributes) $1, null); }
+ | opt_attributes SET SEMICOLON { $$ = new InterfaceAccessorInfo (false, true, null, (Attributes) $1); }
| opt_attributes GET SEMICOLON opt_attributes SET SEMICOLON
- { $$ = 3; }
+ { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $1, (Attributes) $3); }
| opt_attributes SET SEMICOLON opt_attributes GET SEMICOLON
- { $$ = 3; }
+ { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $3, (Attributes) $1); }
;
interface_event_declaration
: opt_attributes opt_new EVENT type IDENTIFIER SEMICOLON
{
- $$ = new InterfaceEvent ((Expression) $4, (string) $5, (bool) $2, (Attributes) $1,
- lexer.Location);
+ $$ = new EventField (current_container, (Expression) $4, (int) $2, true,
+ new MemberName ((string) $5), null,
+ (Attributes) $1, lexer.Location);
+ }
+ | opt_attributes opt_new EVENT type error {
+ CheckIdentifierToken (yyToken);
+ $$ = null;
}
+ | opt_attributes opt_new EVENT type IDENTIFIER ASSIGN {
+ Report.Error (68, lexer.Location, "Event declarations on interfaces can not be initialized.");
+ $$ = null;
+ }
+ | opt_attributes opt_new EVENT type IDENTIFIER OPEN_BRACE event_accessor_declarations CLOSE_BRACE {
+ Report.Error (69, lexer.Location, "Event accessors not valid on interfaces");
+ $$ = null;
+ }
;
interface_indexer_declaration
@@ -1271,32 +1503,38 @@ interface_indexer_declaration
OPEN_BRACKET formal_parameter_list CLOSE_BRACKET
OPEN_BRACE
{ lexer.PropertyParsing = true; }
- interface_accesors
+ interface_accessors
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
- int a_flags = (int) $10;
+ InterfaceAccessorInfo info = (InterfaceAccessorInfo) $10;
- bool do_get = (a_flags & 1) == 1;
- bool do_set = (a_flags & 2) == 2;
-
- $$ = new InterfaceIndexer ((Expression) $3, (Parameters) $6, do_get, do_set,
- (bool) $2, (Attributes) $1, lexer.Location);
+ $$ = new Indexer (current_container, (Expression) $3, (int) $2, true,
+ MemberName.Null, (Parameters) $6, (Attributes) $1,
+ info.Get, info.Set, lexer.Location);
}
;
operator_declaration
- : opt_attributes opt_modifiers operator_declarator operator_body
+ : opt_attributes opt_modifiers operator_declarator
+ {
+ iterator_container = SimpleIteratorContainer.GetSimple ();
+ }
+ operator_body
{
OperatorDeclaration decl = (OperatorDeclaration) $3;
Operator op = new Operator (decl.optype, decl.ret_type, (int) $2, decl.arg1type, decl.arg1name,
- decl.arg2type, decl.arg2name, (Block) $4, (Attributes) $1, decl.location);
+ decl.arg2type, decl.arg2name, (Block) $5, (Attributes) $1, decl.location);
+
+ if (SimpleIteratorContainer.Simple.Yields)
+ op.SetYields ();
// Note again, checking is done in semantic analysis
current_container.AddOperator (op);
current_local_parameters = null;
+ iterator_container = null;
}
;
@@ -1467,7 +1705,8 @@ constructor_declarator
opt_constructor_initializer
{
Location l = (Location) oob_stack.Pop ();
- $$ = new Constructor ((string) $1, (Parameters) $3, (ConstructorInitializer) $6, l);
+ $$ = new Constructor (current_container, (string) $1, 0, (Parameters) $3,
+ (ConstructorInitializer) $6, l);
}
;
@@ -1521,19 +1760,27 @@ destructor_declaration
if ((m & Modifiers.UNSAFE) != 0){
if (!RootContext.Unsafe){
Report.Error (227, l,
- "Unsafe code requires the --unsafe command " +
+ "Unsafe code requires the -unsafe command " +
"line option to be specified");
}
}
- Method d = new Method (
- TypeManager.system_void_expr, m, "Finalize",
+ Method d = new Destructor (
+ current_container, TypeManager.system_void_expr, m, "Finalize",
new Parameters (null, null, l), (Attributes) $1, l);
d.Block = (Block) $7;
CheckDef (current_container.AddMethod (d), d.Name, d.Location);
}
}
+ | opt_attributes opt_modifiers EVENT type member_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS block {
+ string mn = (string) $5;
+
+ if (mn.IndexOf ('.') != -1)
+ Report.Error (71, lexer.Location, "Explicit implementation of events requires property syntax");
+ else
+ Report.Error (71, lexer.Location, "Event declaration should use property syntax");
+ }
;
event_declaration
@@ -1543,9 +1790,12 @@ event_declaration
{
foreach (VariableDeclaration var in (ArrayList) $5) {
- Event e = new Event ((Expression) $4, var.identifier,
- var.expression_or_array_initializer,
- (int) $2, null, null, (Attributes) $1, lexer.Location);
+ MemberName name = new MemberName (var.identifier);
+
+ Event e = new EventField (current_container, (Expression) $4, (int) $2,
+ false, name,
+ var.expression_or_array_initializer,
+ (Attributes) $1, lexer.Location);
CheckDef (current_container.AddEvent (e), e.Name, e.Location);
@@ -1553,7 +1803,7 @@ event_declaration
}
| opt_attributes
opt_modifiers
- EVENT type member_name
+ EVENT type namespace_or_type_name
OPEN_BRACE
{
implicit_value_parameter_type = (Expression) $4;
@@ -1568,21 +1818,25 @@ event_declaration
{
Location loc = (Location) oob_stack.Pop ();
+ if ($8 == null){
+ Report.Error (65, lexer.Location, "Event must have both add and remove accesors");
+ $$ = null;
+ } else {
Pair pair = (Pair) $8;
- Accessor add_accessor = null;
- Accessor rem_accessor = null;
- if (pair.First != null)
- add_accessor = (Accessor) pair.First;
- if (pair.Second != null)
- rem_accessor = (Accessor) pair.Second;
-
- Event e = new Event ((Expression) $4, (string) $5, null, (int) $2, add_accessor, rem_accessor,
- (Attributes) $1, loc);
+ MemberName name = (MemberName) $5;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "an event can't have type arguments");
+
+ Event e = new EventProperty (current_container, (Expression) $4, (int) $2,
+ false, name, null, (Attributes) $1,
+ (Accessor) pair.First, (Accessor) pair.Second,
+ loc);
CheckDef (current_container.AddEvent (e), e.Name, loc);
implicit_value_parameter_type = null;
}
+ }
;
event_accessor_declarations
@@ -1594,6 +1848,8 @@ event_accessor_declarations
{
$$ = new Pair ($2, $1);
}
+ | add_accessor_declaration { $$ = null; }
+ | remove_accessor_declaration { $$ = null; }
;
add_accessor_declaration
@@ -1674,8 +1930,15 @@ indexer_declaration
Accessor get_block = (Accessor) pair.First;
Accessor set_block = (Accessor) pair.Second;
- indexer = new Indexer (decl.type, decl.interface_type, (int) $2, decl.param_list,
- get_block, set_block, (Attributes) $1, loc);
+ MemberName name;
+ if (decl.interface_type != null)
+ name = new MemberName (decl.interface_type, "", null);
+ else
+ name = MemberName.Null;
+
+ indexer = new Indexer (current_container, decl.type, (int) $2, false,
+ name, decl.param_list, (Attributes) $1,
+ get_block, set_block, loc);
// Note that there is no equivalent of CheckDef for this case
// We shall handle this in semantic analysis
@@ -1699,14 +1962,18 @@ indexer_declarator
$$ = new IndexerDeclaration ((Expression) $1, null, pars);
}
- | type qualified_identifier DOT THIS OPEN_BRACKET opt_formal_parameter_list CLOSE_BRACKET
+ | type namespace_or_type_name DOT THIS OPEN_BRACKET opt_formal_parameter_list CLOSE_BRACKET
{
Parameters pars = (Parameters) $6;
if (pars.FixedParameters == null && pars.ArrayParameter == null){
Report.Error (1551, lexer.Location, "Indexers must have at least one parameter");
}
- $$ = new IndexerDeclaration ((Expression) $1, (string) $2, pars);
+ MemberName name = (MemberName) $2;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "an indexer can't have type arguments");
+
+ $$ = new IndexerDeclaration ((Expression) $1, name, pars);
}
;
@@ -1720,9 +1987,9 @@ enum_declaration
{
Location enum_location = lexer.Location;
- string full_name = MakeName ((string) $4);
- Enum e = new Enum (current_container, (Expression) $5, (int) $2, full_name,
- (Attributes) $1, enum_location);
+ MemberName full_name = MakeName (new MemberName ((string) $4));
+ Enum e = new Enum (current_namespace, current_container, (Expression) $5, (int) $2,
+ full_name, (Attributes) $1, enum_location);
foreach (VariableDeclaration ev in (ArrayList) $6) {
Location loc = (Location) ev.Location;
@@ -1733,10 +2000,9 @@ enum_declaration
ev.identifier, loc);
}
- e.Namespace = current_namespace;
-
- CheckDef (current_container.AddEnum (e), full_name, enum_location);
- RootContext.Tree.RecordDecl (full_name, e);
+ string name = full_name.GetName (false);
+ CheckDef (current_container.AddEnum (e), name, enum_location);
+ RootContext.Tree.RecordDecl (name, e);
}
;
@@ -1794,74 +2060,83 @@ enum_member_declaration
delegate_declaration
: opt_attributes
opt_modifiers
- DELEGATE type
- IDENTIFIER OPEN_PARENS
- opt_formal_parameter_list
- CLOSE_PARENS
- SEMICOLON
+ DELEGATE type member_name
+ OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
Location l = lexer.Location;
- Delegate del = new Delegate (current_container, (Expression) $4, (int) $2,
- MakeName ((string) $5), (Parameters) $7,
- (Attributes) $1, l);
+ Delegate del = new Delegate (
+ current_namespace, current_container, (Expression) $4, (int) $2,
+ MakeName ((MemberName) $5), (Parameters) $7, (Attributes) $1, l);
- del.Namespace = current_namespace;
CheckDef (current_container.AddDelegate (del), del.Name, l);
- }
+
+ current_delegate = del;
+
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ }
+ SEMICOLON
+ {
+ CheckDef (current_delegate.SetParameterInfo ((ArrayList) $9), current_delegate.Name, current_delegate.Location);
+
+ current_delegate = null;
+ }
| opt_attributes
opt_modifiers
- DELEGATE VOID
- IDENTIFIER OPEN_PARENS
- opt_formal_parameter_list
- CLOSE_PARENS
- SEMICOLON
+ DELEGATE VOID member_name
+ OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
Location l = lexer.Location;
Delegate del = new Delegate (
- current_container,
- TypeManager.system_void_expr, (int) $2, MakeName ((string) $5),
+ current_namespace, current_container,
+ TypeManager.system_void_expr, (int) $2, MakeName ((MemberName) $5),
(Parameters) $7, (Attributes) $1, l);
- del.Namespace = current_namespace;
CheckDef (current_container.AddDelegate (del), del.Name, l);
+
+ current_delegate = del;
+
+ lexer.ConstraintsParsing = true;
}
- ;
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ }
+ SEMICOLON
+ {
+ CheckDef (current_delegate.SetParameterInfo ((ArrayList) $9), current_delegate.Name, current_delegate.Location);
-type_name
- : namespace_or_type_name
+ current_delegate = null;
+ }
;
namespace_or_type_name
- : IDENTIFIER opt_type_argument_list {
- if ($2 == null)
- $$ = new SimpleName ((string) $1, lexer.Location);
- else
- $$ = new ConstructedType ((string) $1, (TypeArguments) $2, lexer.Location);
+ : member_name
+ | namespace_or_type_name DOT IDENTIFIER opt_type_argument_list {
+ $$ = new MemberName ((MemberName) $1, (string) $3, (TypeArguments) $4);
}
- | namespace_or_type_name DOT IDENTIFIER opt_type_argument_list
- {
- Expression right;
+ ;
- //
- // Third argument will become an Expression, when we have sorted out
- // the issues with SimpleName first
- //
- $$ = new MemberAccess ((Expression) $1, (string) $3, lexer.Location);
+member_name
+ : IDENTIFIER opt_type_argument_list {
+ $$ = new MemberName ((string) $1, (TypeArguments) $2);
}
;
-//
-// TODO:
-// Figure out what to do with the list
-//
opt_type_argument_list
: /* empty */ { $$ = null; }
- | OP_GENERICS_LT type_arguments OP_GT { $$ = $2; }
+ | OP_GENERICS_LT type_arguments OP_GENERICS_GT
+ {
+ $$ = $2;
+ }
;
type_arguments
: type {
- TypeArguments type_args = new TypeArguments ();
+ TypeArguments type_args = new TypeArguments (lexer.Location);
type_args.Add ((Expression) $1);
$$ = type_args;
}
@@ -1879,7 +2154,9 @@ type_arguments
* gets rid of a shift/reduce couple
*/
type
- : type_name { /* class_type */
+ : namespace_or_type_name
+ {
+ $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
}
| builtin_types
| array_type
@@ -1976,10 +2253,6 @@ integral_type
| VOID { $$ = TypeManager.system_void_expr; }
;
-interface_type
- : type_name
- ;
-
array_type
: type rank_specifiers
{
@@ -1996,14 +2269,12 @@ primary_expression
// 7.5.1: Literals
}
- | qualified_identifier
+ | member_name
{
- string name = (string) $1;
-
- $$ = null;
- $$ = DecomposeQI (name, lexer.Location);
+ $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
}
| parenthesized_expression
+ | default_value_expression
| member_access
| invocation_expression
| element_access
@@ -2039,9 +2310,16 @@ integer_literal
: LITERAL_INTEGER {
object v = lexer.Value;
- if (v is int)
- $$ = new IntLiteral ((Int32) v);
- else if (v is uint)
+ if (v is int){
+ int i = (int) v;
+
+ if (i == 0)
+ $$ = IntLiteral.Zero;
+ else if (i == 1)
+ $$ = IntLiteral.One;
+ else
+ $$ = new IntLiteral (i);
+ } else if (v is uint)
$$ = new UIntLiteral ((UInt32) v);
else if (v is long)
$$ = new LongLiteral ((Int64) v);
@@ -2057,19 +2335,41 @@ boolean_literal
| FALSE { $$ = new BoolLiteral (false); }
;
-parenthesized_expression
+parenthesized_expression_0
: OPEN_PARENS expression CLOSE_PARENS
- { $$ = $2; }
+ {
+ $$ = $2;
+ lexer.Deambiguate_CloseParens ();
+ // After this, the next token returned is one of
+ // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST, CLOSE_PARENS_OPEN_PARENS
+ // or CLOSE_PARENS_MINUS.
+ }
;
+parenthesized_expression
+ : parenthesized_expression_0 CLOSE_PARENS_NO_CAST
+ {
+ $$ = $1;
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_MINUS
+ {
+ // If a parenthesized expression is followed by a minus, we need to wrap
+ // the expression inside a ParenthesizedExpression for the CS0075 check
+ // in Binary.DoResolve().
+ $$ = new ParenthesizedExpression ((Expression) $1, lexer.Location);
+ }
+ ;;
+
member_access
- : primary_expression DOT IDENTIFIER
+ : primary_expression DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3, lexer.Location);
+ $$ = new MemberAccess ((Expression) $1, (string) $3,
+ (TypeArguments) $4, lexer.Location);
}
- | predefined_type DOT IDENTIFIER
+ | predefined_type DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3, lexer.Location);
+ $$ = new MemberAccess ((Expression) $1, (string) $3,
+ (TypeArguments) $4, lexer.Location);
}
;
@@ -2086,9 +2386,13 @@ invocation_expression
}
$$ = new Invocation ((Expression) $1, (ArrayList) $3, lexer.Location);
}
- | OPEN_PARENS expression CLOSE_PARENS unary_expression
+ | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS CLOSE_PARENS
+ {
+ $$ = new Invocation ((Expression) $1, new ArrayList (), lexer.Location);
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS primary_expression
{
- $$ = new InvocationOrCast ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new InvocationOrCast ((Expression) $1, (Expression) $3, lexer.Location);
}
;
@@ -2110,6 +2414,9 @@ argument_list
list.Add ($3);
$$ = list;
}
+ | argument_list error {
+ CheckToken (1026, yyToken, ", or ) expected");
+ }
;
argument
@@ -2125,6 +2432,19 @@ argument
{
$$ = new Argument ((Expression) $2, Argument.AType.Out);
}
+ | ARGLIST OPEN_PARENS argument_list CLOSE_PARENS
+ {
+ ArrayList list = (ArrayList) $3;
+ Argument[] args = new Argument [list.Count];
+ list.CopyTo (args, 0);
+
+ Expression expr = new Arglist (args, lexer.Location);
+ $$ = new Argument (expr, Argument.AType.Expression);
+ }
+ | ARGLIST
+ {
+ $$ = new Argument (new ArglistAccess (lexer.Location), Argument.AType.ArgList);
+ }
;
variable_reference
@@ -2144,11 +2464,11 @@ element_access
// Foo.Bar.Blah i;
// SimpleName is when you have
// Blah i;
-
+
Expression expr = (Expression) $1;
if (expr is ComposedCast){
$$ = new ComposedCast (expr, (string) $2, lexer.Location);
- } else if (!(expr is SimpleName || expr is MemberAccess)){
+ } else if (!(expr is SimpleName || expr is MemberAccess || expr is ConstructedType)){
Error_ExpectingTypeName (lexer.Location, expr);
$$ = TypeManager.system_object_expr;
} else {
@@ -2192,6 +2512,10 @@ base_access
{
$$ = new BaseIndexerAccess ((ArrayList) $3, lexer.Location);
}
+ | BASE error {
+ Report.Error (175, "Use of keyword `base' is not valid in this context");
+ $$ = null;
+ }
;
post_increment_expression
@@ -2369,13 +2693,21 @@ anonymous_method_expression
: DELEGATE opt_anonymous_method_signature {
oob_stack.Push (current_local_parameters);
current_local_parameters = (Parameters)$2;
+ create_toplevel_block = true;
} block {
- if (!RootContext.V2){
- Report.Error (-213, lexer.Location, "Anonymous methods are only supported in V2");
+ if (true){
+ Report.Error (-213, lexer.Location, "Anonymous methods are not supported in this branch");
$$ = null;
- } else
- $$ = new AnonymousMethod ((Parameters) $2, (Block) $3, lexer.Location);
- current_local_parameters = (Parameters) oob_stack.Pop ();
+ } else {
+ create_toplevel_block = false;
+ Report.Error (-213, lexer.Location, "Anonymous methods are only supported in V2");
+ if (!RootContext.V2){
+ Report.Error (-213, lexer.Location, "Anonymous methods are only supported in V2");
+ $$ = null;
+ } else
+ $$ = new AnonymousMethod ((Parameters) $2, (Block) $4, lexer.Location);
+ current_local_parameters = (Parameters) oob_stack.Pop ();
+ }
}
;
@@ -2424,6 +2756,13 @@ anonymous_method_parameter
}
;
+default_value_expression
+ : DEFAULT_OPEN_PARENS type CLOSE_PARENS
+ {
+ $$ = new DefaultValueExpression ((Expression) $2, lexer.Location);
+ }
+ ;
+
unary_expression
: primary_expression
| BANG prefixed_unary_expression
@@ -2437,10 +2776,22 @@ unary_expression
| cast_expression
;
+cast_list
+ : parenthesized_expression_0 CLOSE_PARENS_CAST unary_expression
+ {
+ $$ = new Cast ((Expression) $1, (Expression) $3, lexer.Location);
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS cast_expression
+ {
+ $$ = new Cast ((Expression) $1, (Expression) $3, lexer.Location);
+ }
+ ;
+
cast_expression
- : OPEN_PARENS non_expression_type CLOSE_PARENS prefixed_unary_expression
+ : cast_list
+ | OPEN_PARENS non_expression_type CLOSE_PARENS prefixed_unary_expression
{
- $$ = new Cast ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new Cast ((Expression) $2, (Expression) $4, lexer.Location);
}
;
@@ -2736,49 +3087,42 @@ boolean_expression
class_declaration
: opt_attributes
opt_modifiers
- CLASS IDENTIFIER
+ CLASS member_name
{
Class new_class;
- string name;
- name = MakeName ((string) $4);
+ MemberName name = MakeName ((MemberName) $4);
- new_class = new Class (current_container, name, (int) $2,
+ new_class = new Class (current_namespace, current_container, name, (int) $2,
(Attributes) $1, lexer.Location);
current_container = new_class;
- current_container.Namespace = current_namespace;
- RootContext.Tree.RecordDecl (name, new_class);
+ RootContext.Tree.RecordDecl (name.GetName (true), new_class);
+
+ lexer.ConstraintsParsing = true;
}
- opt_type_parameter_list
opt_class_base
opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ }
class_body
opt_semicolon
{
Class new_class = (Class) current_container;
- if ($8 != null && $6 == null)
- Report.Error (-200, new_class.Location,
- "Type parameter constraints only valid if there is a type parameter list");
+ CheckDef (new_class.SetParameterInfo ((ArrayList) $7), new_class.Name, new_class.Location);
+ if ($6 != null) {
+ if (new_class.Name == "System.Object") {
+ Report.Error (537, new_class.Location, "The class System.Object cannot have a base class or implement an interface.");
+ }
- if ($6 != null)
- CheckDef (new_class.SetParameterInfo ((ArrayList) $6, $8), new_class.Name, new_class.Location);
- if ($7 != null)
- new_class.Bases = (ArrayList) $7;
+ new_class.Bases = (ArrayList) $6;
+ }
current_container = current_container.Parent;
CheckDef (current_container.AddClass (new_class), new_class.Name, new_class.Location);
$$ = new_class;
}
- | opt_attributes
- opt_modifiers
- CLASS IDENTIFIER
- WHERE {
- Report.Error (-200, lexer.Location,
- "Type parameter constraints only valid if there is a type parameter list");
- yyErrorFlag = 0;
- $$ = null;
- }
;
opt_modifiers
@@ -2827,37 +3171,6 @@ class_base
: COLON type_list { $$ = $2; }
;
-opt_type_parameter_list
- : /* empty */ { $$ = null; }
- | type_parameter_list { $$ = $1; }
- ;
-
-type_parameter_list
- : OP_LT type_parameters OP_GT { $$ = $2; }
- ;
-
-type_parameters
- : type_parameter {
- //
- // Do some profiling to find the optimal size, for now we
- // assume most people will be generic on one type (saves space
- //
- ArrayList type_parameters = new ArrayList (1);
- type_parameters.Add ($1);
- $$ = type_parameters;
- }
- | type_parameters COMMA type_parameter {
- ArrayList type_parameters = (ArrayList) $1;
-
- type_parameters.Add ($3);
- $$ = type_parameters;
- }
- ;
-
-type_parameter
- : IDENTIFIER
- ;
-
opt_type_parameter_constraints_clauses
: /* empty */ { $$ = null; }
| type_parameter_constraints_clauses
@@ -2865,35 +3178,52 @@ opt_type_parameter_constraints_clauses
;
type_parameter_constraints_clauses
- : type_parameter_constraints_clause
- | type_parameter_constraints_clauses type_parameter_constraints_clause
+ : type_parameter_constraints_clause {
+ ArrayList constraints = new ArrayList (1);
+ constraints.Add ($1);
+ $$ = constraints;
+ }
+ | type_parameter_constraints_clauses type_parameter_constraints_clause {
+ ArrayList constraints = (ArrayList) $1;
+
+ constraints.Add ($2);
+ $$ = constraints;
+ }
;
type_parameter_constraints_clause
- : WHERE type_parameter COLON type_parameter_constraints {
- $$ = new Constraints ((string) $2, (ArrayList) $4);
+ : WHERE IDENTIFIER COLON type_parameter_constraints {
+ $$ = new Constraints ((string) $2, (ArrayList) $4, lexer.Location);
}
;
type_parameter_constraints
- : type {
+ : type_parameter_constraint {
ArrayList constraints = new ArrayList (1);
constraints.Add ($1);
$$ = constraints;
}
- | NEW OPEN_PARENS CLOSE_PARENS {
- ArrayList constraints = new ArrayList (1);
- constraints.Add (true);
- $$ = constraints;
- }
- | type_parameter_constraints COMMA type {
+ | type_parameter_constraints COMMA type_parameter_constraint {
ArrayList constraints = (ArrayList) $1;
constraints.Add ($3);
$$ = constraints;
- }
+ }
;
-
+
+type_parameter_constraint
+ : type
+ | NEW OPEN_PARENS CLOSE_PARENS {
+ $$ = SpecialConstraint.Constructor;
+ }
+ | CLASS {
+ $$ = SpecialConstraint.ReferenceType;
+ }
+ | STRUCT {
+ $$ = SpecialConstraint.ValueType;
+ }
+ ;
+
//
// Statements (8.2)
//
@@ -2910,8 +3240,12 @@ type_parameter_constraints
block
: OPEN_BRACE
{
+ if (current_block == null || create_toplevel_block){
+ current_block = new ToplevelBlock (current_local_parameters, lexer.Location);
+ } else {
current_block = new Block (current_block, current_local_parameters,
lexer.Location, Location.Null);
+ }
}
opt_statement_list CLOSE_BRACE
{
@@ -2941,17 +3275,14 @@ statement
current_block = (Block) $1;
}
}
- | embedded_statement
+ | valid_declaration_statement
{
- Statement s = (Statement) $1;
-
-
current_block.AddStatement ((Statement) $1);
}
| labeled_statement
;
-embedded_statement
+valid_declaration_statement
: block
| empty_statement
| expression_statement
@@ -2967,10 +3298,24 @@ embedded_statement
| fixed_statement
;
+embedded_statement
+ : valid_declaration_statement
+ | declaration_statement
+ {
+ Report.Error (1023, lexer.Location, "An embedded statement may not be a declaration.");
+ $$ = null;
+ }
+ | labeled_statement
+ {
+ Report.Error (1023, lexer.Location, "An embedded statement may not be a labeled statement.");
+ $$ = null;
+ }
+ ;
+
empty_statement
: SEMICOLON
{
- $$ = new EmptyStatement ();
+ $$ = EmptyStatement.Value;
}
;
@@ -2979,11 +3324,8 @@ labeled_statement
{
LabeledStatement labeled = new LabeledStatement ((string) $1, lexer.Location);
- if (!current_block.AddLabel ((string) $1, labeled)){
- Location l = lexer.Location;
- Report.Error (140, l, "The label '" + ((string) $1) + "' is a duplicate");
- }
- current_block.AddStatement (labeled);
+ if (current_block.AddLabel ((string) $1, labeled, lexer.Location))
+ current_block.AddStatement (labeled);
}
statement
;
@@ -3003,7 +3345,7 @@ declaration_statement
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
- $$ = declare_local_constant ((Expression) de.Key, (VariableDeclaration) de.Value);
+ $$ = declare_local_constants ((Expression) de.Key, (ArrayList) de.Value);
}
}
;
@@ -3022,7 +3364,7 @@ local_variable_type
// Ok, the above "primary_expression" is there to get rid of
// both reduce/reduce and shift/reduces in the grammar, it should
// really just be "type_name". If you use type_name, a reduce/reduce
- // creeps up. If you use qualified_identifier (which is all we need
+ // creeps up. If you use namespace_or_type_name (which is all we need
// really) two shift/reduces appear.
//
@@ -3034,7 +3376,7 @@ local_variable_type
// Blah i;
Expression expr = (Expression) $1;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast)) {
+ if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType)) {
Error_ExpectingTypeName (lexer.Location, expr);
$$ = null;
} else {
@@ -3064,7 +3406,7 @@ local_variable_pointer_type
Expression expr = (Expression) $1;
Location l = lexer.Location;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast)) {
+ if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType)) {
Error_ExpectingTypeName (l, expr);
$$ = null;
@@ -3109,7 +3451,7 @@ local_variable_declaration
;
local_constant_declaration
- : CONST local_variable_type constant_declarator
+ : CONST local_variable_type constant_declarators
{
if ($2 != null)
$$ = new DictionaryEntry ($2, $3);
@@ -3176,7 +3518,7 @@ if_statement_rest
$$ = new If ((Expression) $1, (Statement) $3, l);
if (RootContext.WarningLevel >= 3){
- if ($3 is EmptyStatement)
+ if ($3 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
}
@@ -3298,7 +3640,7 @@ while_statement
$$ = new While ((Expression) $4, (Statement) $6, l);
if (RootContext.WarningLevel >= 3){
- if ($6 is EmptyStatement)
+ if ($6 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
}
}
@@ -3373,7 +3715,7 @@ for_statement
For f = new For ((Statement) $3, (Expression) $6, (Statement) $8, (Statement) $10, l);
if (RootContext.WarningLevel >= 3){
- if ($10 is EmptyStatement)
+ if ($10 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
}
@@ -3386,7 +3728,7 @@ for_statement
;
opt_for_initializer
- : /* empty */ { $$ = new EmptyStatement (); }
+ : /* empty */ { $$ = EmptyStatement.Value; }
| for_initializer
;
@@ -3401,7 +3743,7 @@ opt_for_condition
;
opt_for_iterator
- : /* empty */ { $$ = new EmptyStatement (); }
+ : /* empty */ { $$ = EmptyStatement.Value; }
| for_iterator
;
@@ -3436,7 +3778,7 @@ foreach_statement
{
oob_stack.Push (current_block);
- Block foreach_block = new Block (current_block, Block.Flags.Implicit);
+ Block foreach_block = new Block (current_block);
LocalVariableReference v = null;
Location l = lexer.Location;
LocalInfo vi;
@@ -3524,18 +3866,36 @@ throw_statement
;
yield_statement
- : YIELD expression SEMICOLON
+ : IDENTIFIER RETURN expression SEMICOLON
{
+ string s = (string) $1;
+ if (s != "yield"){
+ Report.Error (1003, lexer.Location, "; expected");
+ $$ = null;
+ }
+ if (!RootContext.V2){
+ Report.Error (-222, lexer.Location, "yield statement only available in C# 2.0 mode");
+ $$ = null;
+ }
if (iterator_container == null){
Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
iterator_container.SetYields ();
- $$ = new Yield ((Expression) $2, lexer.Location);
+ $$ = new Yield ((Expression) $3, lexer.Location);
}
}
- | YIELD BREAK SEMICOLON
+ | IDENTIFIER BREAK SEMICOLON
{
+ string s = (string) $1;
+ if (s != "yield"){
+ Report.Error (1003, lexer.Location, "; expected");
+ $$ = null;
+ }
+ if (!RootContext.V2){
+ Report.Error (-222, lexer.Location, "yield statement only available in C# 2.0 mode");
+ $$ = null;
+ }
if (iterator_container == null){
Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
@@ -3733,10 +4093,7 @@ fixed_statement
embedded_statement
{
Location l = (Location) oob_stack.Pop ();
- Block assign_block = (Block) oob_stack.Pop ();
-
- ArrayList list = (ArrayList) $4;
- int top = list.Count;
+ oob_stack.Pop ();
$$ = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
}
@@ -3865,16 +4222,34 @@ public class VariableDeclaration {
}
}
+///
+/// Used to pass around interface property information
+///
+public class InterfaceAccessorInfo {
+
+ public readonly Accessor Get, Set;
+
+ public InterfaceAccessorInfo (bool has_get, bool has_set,
+ Attributes get_attrs, Attributes set_attrs)
+ {
+ if (has_get)
+ Get = new Accessor (null, get_attrs);
+ if (has_set)
+ Set = new Accessor (null, set_attrs);
+ }
+}
+
+
//
// A class used to hold info about an indexer declarator
//
-
public class IndexerDeclaration {
public Expression type;
- public string interface_type;
+ public MemberName interface_type;
public Parameters param_list;
- public IndexerDeclaration (Expression type, string interface_type, Parameters param_list)
+ public IndexerDeclaration (Expression type, MemberName interface_type,
+ Parameters param_list)
{
this.type = type;
this.interface_type = interface_type;
@@ -3882,10 +4257,28 @@ public class IndexerDeclaration {
}
}
+//
+// We use this when we do not have an object in advance that is an IIteratorContainer
+//
+public class SimpleIteratorContainer : IIteratorContainer {
+ public bool Yields;
+
+ public static SimpleIteratorContainer Simple = new SimpleIteratorContainer ();
+
+ //
+ // Reset and return
+ //
+ public static SimpleIteratorContainer GetSimple () {
+ Simple.Yields = false;
+ return Simple;
+ }
+
+ public void SetYields () { Yields = true; }
+}
+
//
// A class used to hold info about an operator declarator
//
-
public class OperatorDeclaration {
public Operator.OpType optype;
public Expression ret_type, arg1type, arg2type;
@@ -3920,19 +4313,19 @@ void Error_ExpectingTypeName (Location l, Expression expr)
// Given the @class_name name, it creates a fully qualified name
// based on the containing declaration space
//
-string
-MakeName (string class_name)
+MemberName
+MakeName (MemberName class_name)
{
- string ns = current_namespace.Name;
- string container_name = current_container.Name;
+ string ns = current_namespace.FullName;
- if (container_name == ""){
+ if (current_container.Name == ""){
if (ns != "")
- return ns + "." + class_name;
+ return new MemberName (new MemberName (ns), class_name);
else
return class_name;
- } else
- return container_name + "." + class_name;
+ } else {
+ return new MemberName (current_container.MemberName, class_name);
+ }
}
//
@@ -3940,13 +4333,13 @@ MakeName (string class_name)
// in the current declaration space
//
void
-CheckDef (AdditionResult result, string name, Location l)
+CheckDef (DeclSpace.AdditionResult result, string name, Location l)
{
- if (result == AdditionResult.Success)
+ if (result == DeclSpace.AdditionResult.Success)
return;
switch (result){
- case AdditionResult.NameExists:
+ case DeclSpace.AdditionResult.NameExists:
Report.Error (102, l, "The container `" + current_container.Name +
"' already contains a definition for `"+
name + "'");
@@ -3957,22 +4350,22 @@ CheckDef (AdditionResult result, string name, Location l)
// This is handled only for static Constructors, because
// in reality we handle these by the semantic analysis later
//
- case AdditionResult.MethodExists:
+ case DeclSpace.AdditionResult.MethodExists:
Report.Error (
111, l, "Class `"+current_container.Name+
"' already defines a member called '" +
name + "' with the same parameter types (more than one default constructor)");
break;
- case AdditionResult.EnclosingClash:
+ case DeclSpace.AdditionResult.EnclosingClash:
Report.Error (542, l, "Member names cannot be the same as their enclosing type");
break;
- case AdditionResult.NotAConstructor:
+ case DeclSpace.AdditionResult.NotAConstructor:
Report.Error (1520, l, "Class, struct, or interface method must have a return type");
break;
- case AdditionResult.Error:
+ case DeclSpace.AdditionResult.Error:
// Error has already been reported.
break;
}
@@ -3983,24 +4376,7 @@ CheckDef (bool result, string name, Location l)
{
if (result)
return;
- CheckDef (AdditionResult.NameExists, name, l);
-}
-
-Expression DecomposeQI (string name, Location loc)
-{
- Expression o;
-
- if (name.IndexOf ('.') == -1){
- return new SimpleName (name, loc);
- } else {
- int pos = name.LastIndexOf (".");
- string left = name.Substring (0, pos);
- string right = name.Substring (pos + 1);
-
- o = DecomposeQI (left, loc);
-
- return new MemberAccess (o, right, loc);
- }
+ CheckDef (DeclSpace.AdditionResult.NameExists, name, l);
}
Block declare_local_variables (Expression type, ArrayList variable_declarators, Location loc)
@@ -4023,10 +4399,9 @@ Block declare_local_variables (Expression type, ArrayList variable_declarators,
//
// int j = 1; int k = j + 1;
//
- if (current_block.Used) {
+ if (current_block.Used)
implicit_block = new Block (current_block, Block.Flags.Implicit, loc, Location.Null);
- implicit_block.AddChildVariableNames (current_block);
- } else
+ else
implicit_block = current_block;
foreach (VariableDeclaration decl in variable_declarators){
@@ -4067,7 +4442,7 @@ Block declare_local_variables (Expression type, ArrayList variable_declarators,
return implicit_block;
}
-Block declare_local_constant (Expression type, VariableDeclaration decl)
+Block declare_local_constants (Expression type, ArrayList declarators)
{
Block implicit_block;
@@ -4076,8 +4451,9 @@ Block declare_local_constant (Expression type, VariableDeclaration decl)
else
implicit_block = current_block;
- if (!(implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer,
- current_local_parameters, decl.Location))){
+ foreach (VariableDeclaration decl in declarators){
+ implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer,
+ current_local_parameters, decl.Location);
}
return implicit_block;
@@ -4087,7 +4463,7 @@ void CheckAttributeTarget (string a)
{
switch (a) {
- case "assembly" : case "field" : case "method" : case "param" : case "property" : case "type" :
+ case "assembly" : case "module" : case "field" : case "method" : case "param" : case "property" : case "type" :
return;
default :
@@ -4174,13 +4550,13 @@ public Tokenizer Lexer {
}
}
-public CSharpParser (StreamReader reader, SourceFile file, ArrayList defines)
+public CSharpParser (SeekableStreamReader reader, SourceFile file, ArrayList defines)
{
- current_namespace = new NamespaceEntry (null, file, null);
+ current_namespace = new NamespaceEntry (null, file, null, Location.Null);
this.name = file.Name;
this.file = file;
current_container = RootContext.Tree.Types;
- current_container.Namespace = current_namespace;
+ current_container.NamespaceEntry = current_namespace;
oob_stack = new Stack ();
switch_stack = new Stack ();
@@ -4200,10 +4576,26 @@ public void parse ()
// Please do not remove this, it is used during debugging
// of the grammar
//
- Report.Error (-25, lexer.Location, ": Parsing error ");
Console.WriteLine (e);
+ Report.Error (-25, lexer.Location, "Parsing error");
+ if (Driver.parser_verbose)
+ Console.WriteLine (e);
}
}
+void CheckToken (int error, int yyToken, string msg)
+{
+ if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD){
+ Report.Error (error, lexer.Location, String.Format ("{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ()));
+ return;
+ }
+ Report.Error (error, lexer.Location, msg);
+}
+
+void CheckIdentifierToken (int yyToken)
+{
+ CheckToken (1041, yyToken, "Identifier expected");
+}
+
/* end end end */
}