// Licensed under the terms of the GNU GPL
//
// (C) 2001 Ximian, Inc (http://www.ximian.com)
+// (C) 2004 Novell, Inc
//
// TODO:
// (1) Figure out why error productions dont work. `type-declaration' is a
public class CSharpParser {
NamespaceEntry current_namespace;
TypeContainer current_container;
+ TypeContainer current_class;
IIteratorContainer iterator_container;
/// Current block is used to add statements as we find
/// them.
/// </summary>
-
- Block current_block;
-
- /// <summary>
- /// If true, creates a toplevel block in the block production
- /// This is flagged by the delegate creation
- /// </summary>
- bool create_toplevel_block;
-
- /// <summary>
- /// <summary>
- /// Current interface is used by the various declaration
- /// productions in the interface declaration to "add"
- /// the interfaces as we find them.
- /// </summary>
- Interface current_interface;
+ Block current_block, top_current_block;
Delegate current_delegate;
///
Stack switch_stack;
- public bool yacc_verbose_flag;
+ static public int yacc_verbose_flag;
// Name of the file we are parsing
public string name;
/// The current file.
///
SourceFile file;
-
-
+
+ ///
+ /// Temporary Xml documentation cache.
+ /// For enum types, we need one more temporary store.
+ ///
+ string tmpComment;
+ string enumTypeComment;
+
/// Current attribute target
string current_attr_target;
- /// assembly and module attribute definition is enabled
+ /// assembly and module attribute definitions are enabled
bool global_attrs_enabled = true;
+ bool has_get, has_set;
+
%}
%token EOF
%token WHERE
%token WHILE
%token ARGLIST
+%token PARTIAL
/* C# keywords which are not really keywords */
%token GET "get"
%token INTERR "?"
/* C# multi-character operators. */
+%token DOUBLE_COLON "::"
%token OP_INC "++"
%token OP_DEC "--"
%token OP_SHIFT_LEFT "<<"
%token CLOSE_PARENS_OPEN_PARENS
%token CLOSE_PARENS_MINUS
%token DEFAULT_OPEN_PARENS
+%token GENERIC_DIMENSION
/* Add precedence rules to solve dangling else s/r conflict */
%nonassoc LOWPREC
opt_EOF
: /* empty */
+ {
+ Lexer.check_incorrect_doc_comment ();
+ }
| EOF
+ {
+ Lexer.check_incorrect_doc_comment ();
+ }
;
outer_declarations
using_directive
: using_alias_directive
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
| using_namespace_directive
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
;
using_alias_directive
: USING IDENTIFIER ASSIGN
namespace_or_type_name SEMICOLON
{
- current_namespace.UsingAlias ((string) $2, (MemberName) $4, lexer.Location);
+ LocatedToken lt = (LocatedToken) $2;
+ current_namespace.UsingAlias (lt.Value, (MemberName) $4, (Location) $1);
}
| USING error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($2));
}
;
using_namespace_directive
: USING namespace_name SEMICOLON
{
- current_namespace.Using ((string) $2, lexer.Location);
+ current_namespace.Using ((MemberName) $2, (Location) $1);
}
;
// detach them
//
namespace_declaration
- : opt_attributes NAMESPACE namespace_name
- {
+ : opt_attributes NAMESPACE namespace_or_type_name
+ {
+ MemberName name = (MemberName) $3;
+
if ($1 != null) {
- Report.Error(1518, Lexer.Location, "Attributes cannot be applied to namespaces."
- + " Expected class, delegate, enum, interface, or struct");
+ Report.Error(1671, name.Location, "A namespace declaration cannot have modifiers or attributes");
}
- current_namespace = RootContext.Tree.RecordNamespace (current_namespace, file, (string) $3, lexer.Location);
- }
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "namespace name expected");
+
+ current_namespace = new NamespaceEntry (
+ current_namespace, file, name.GetName (), name.Location);
+ }
namespace_body opt_semicolon
{
current_namespace = current_namespace.Parent;
if (name.TypeArguments != null)
syntax_error (lexer.Location, "namespace name expected");
- $$ = name.GetName ();
+ $$ = name;
}
;
namespace_body
: OPEN_BRACE
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
opt_using_directives
opt_namespace_member_declarations
CLOSE_BRACE
- {
- }
;
opt_using_directives
namespace_member_declaration
: type_declaration
{
- string name = "";
- int mod_flags;
-
- if ($1 is Class){
- Class c = (Class) $1;
- mod_flags = c.ModFlags;
- name = c.Name;
- } else if ($1 is Struct){
- Struct s = (Struct) $1;
- mod_flags = s.ModFlags;
- name = s.Name;
- } else
- break;
+ if ($1 != null) {
+ DeclSpace ds = (DeclSpace)$1;
- if ((mod_flags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
- Report.Error (
- 1527, lexer.Location,
- "Namespace elements cant be explicitly " +
- "declared private or protected in `" + name + "'");
+ if ((ds.ModFlags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
+ Report.Error (1527, ds.Location,
+ "Namespace elements cannot be explicitly declared as private, protected or protected internal");
+ }
}
current_namespace.DeclarationFound = true;
}
}
| field_declaration {
- Report.Error (116, lexer.Location, "A namespace can only contain types and namespace declarations");
+ Report.Error (116, ((MemberCore) $1).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");
+ Report.Error (116, ((MemberCore) $1).Location, "A namespace can only contain types and namespace declarations");
}
;
//
// | error {
// Console.WriteLine ("Token=" + yyToken);
-// Report.Error (1518, lexer.Location, "Expected class, struct, interface, enum or delegate");
+// Report.Error (1518, GetLocation ($1), "Expected class, struct, interface, enum or delegate");
// }
;
}
opt_attributes
- : /* empty */
+ : /* empty */
{
global_attrs_enabled = false;
$$ = null;
global_attrs_enabled = false;
$$ = $1;
}
- ;
+ ;
attribute_sections
if (global_attrs_enabled) {
if (current_attr_target == "module") {
CodeGen.Module.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target == "assembly") {
+ $$ = null;
+ } else if (current_attr_target != null && current_attr_target.Length > 0) {
CodeGen.Assembly.AddAttributes (sect);
- $$ = null;
+ $$ = null;
} else {
$$ = new Attributes (sect);
- }
+ }
+ if ($$ == null) {
+ if (RootContext.Documentation != null) {
+ Lexer.check_incorrect_doc_comment ();
+ Lexer.doc_state =
+ XmlCommentState.Allowed;
+ }
+ }
} else {
$$ = new Attributes (sect);
- }
+ }
current_attr_target = null;
}
| attribute_sections attribute_section
attrs = new Attributes (sect);
else
attrs.AddAttributes (sect);
- }
+ }
} else {
if (attrs == null)
attrs = new Attributes (sect);
else
attrs.AddAttributes (sect);
- }
+ }
$$ = attrs;
current_attr_target = null;
}
attribute_target
: IDENTIFIER
{
- CheckAttributeTarget ((string) $1);
- $$ = $1;
+ LocatedToken lt = (LocatedToken) $1;
+ CheckAttributeTarget (lt.Value, lt.Location);
+ $$ = lt.Value; // Location won't be required anymore.
}
| EVENT { $$ = "event"; }
| RETURN { $$ = "return"; }
;
attribute
- : attribute_name
- {
- $$ = lexer.Location;
- }
- opt_attribute_arguments
+ : attribute_name opt_attribute_arguments
{
MemberName mname = (MemberName) $1;
if (mname.IsGeneric) {
"'<' unexpected: attributes cannot be generic");
}
- string name = mname.GetName ();
+ ArrayList arguments = (ArrayList) $2;
+ MemberName left = mname.Left;
+ string identifier = mname.Name;
+
+ Expression left_expr = left == null ? null : left.GetTypeExpression ();
+
if (current_attr_target == "assembly" || current_attr_target == "module")
- $$ = new GlobalAttribute (current_container, current_attr_target,
- name, (ArrayList) $3, (Location) $2);
+ // FIXME: supply "nameEscaped" parameter here.
+ $$ = new GlobalAttribute (current_class, current_attr_target,
+ left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
else
- $$ = new Attribute (current_attr_target, name, (ArrayList) $3,
- (Location) $2);
+ $$ = new Attribute (current_attr_target, left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
}
;
$$ = args;
}
+ | named_argument_list COMMA expression
+ {
+ Report.Error (1016, ((Expression) $3).Location, "Named attribute argument expected");
+ $$ = null;
+ }
;
named_argument
: IDENTIFIER ASSIGN expression
{
+ // FIXME: keep location
$$ = new DictionaryEntry (
- (string) $1,
+ ((LocatedToken) $1).Value,
new Argument ((Expression) $3, Argument.AType.Expression));
}
;
struct_declaration
: opt_attributes
opt_modifiers
- STRUCT member_name
+ opt_partial
+ STRUCT
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
{
- Struct new_struct;
- MemberName full_struct_name = MakeName ((MemberName) $4);
+ MemberName name = MakeName ((MemberName) $6);
+ if ($3 != null) {
+ ClassPart part = PartialContainer.CreatePart (
+ current_namespace, current_class, name, (int) $2,
+ (Attributes) $1, Kind.Struct, (Location) $3);
+
+ current_container = part.PartialContainer;
+ current_class = part;
+ } else {
+ current_class = new Struct (
+ current_namespace, current_class, name, (int) $2,
+ (Attributes) $1);
- new_struct = new Struct (current_namespace, current_container, full_struct_name,
- (int) $2, (Attributes) $1, lexer.Location);
- current_container = new_struct;
- RootContext.Tree.RecordDecl (full_struct_name.GetName (true), new_struct);
- lexer.ConstraintsParsing = true;
+ current_container.AddClassOrStruct (current_class);
+ current_container = current_class;
+ RootContext.Tree.RecordDecl (current_namespace.NS, name, current_class);
+ }
}
opt_class_base
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
+
+ if ($8 != null)
+ current_class.Bases = (ArrayList) $8;
+
+ current_class.SetParameterInfo ((ArrayList) $9);
+
+ if (RootContext.Documentation != null)
+ current_class.DocComment = Lexer.consume_doc_comment ();
}
struct_body
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
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;
-
- current_container = current_container.Parent;
- CheckDef (current_container.AddStruct (new_struct), new_struct.Name, new_struct.Location);
- $$ = new_struct;
+ $$ = pop_current_class ();
}
- | opt_attributes opt_modifiers STRUCT error {
- CheckIdentifierToken (yyToken);
+ | opt_attributes opt_modifiers opt_partial STRUCT error {
+ CheckIdentifierToken (yyToken, GetLocation ($5));
}
;
struct_body
- : OPEN_BRACE opt_struct_member_declarations CLOSE_BRACE
+ : OPEN_BRACE
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ opt_struct_member_declarations CLOSE_BRACE
;
opt_struct_member_declarations
constant_declarators
SEMICOLON
{
+ int modflags = (int) $2;
foreach (VariableDeclaration constant in (ArrayList) $5){
Location l = constant.Location;
+ if ((modflags & Modifiers.STATIC) != 0) {
+ Report.Error (504, l, "The constant `{0}' cannot be marked static", current_container.GetSignatureForError () + '.' + (string) constant.identifier);
+ continue;
+ }
Const c = new Const (
- (Expression) $4, (string) constant.identifier,
- (Expression) constant.expression_or_array_initializer, (int) $2,
+ current_class, (Expression) $4, (string) constant.identifier,
+ (Expression) constant.expression_or_array_initializer, modflags,
(Attributes) $1, l);
- CheckDef (current_container.AddConstant (c), c.Name, l);
+ if (RootContext.Documentation != null) {
+ c.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ current_container.AddConstant (c);
}
}
;
: constant_declarator
{
ArrayList constants = new ArrayList (4);
- constants.Add ($1);
+ if ($1 != null)
+ constants.Add ($1);
$$ = constants;
}
| constant_declarators COMMA constant_declarator
{
- ArrayList constants = (ArrayList) $1;
-
- constants.Add ($3);
+ if ($3 != null) {
+ ArrayList constants = (ArrayList) $1;
+ constants.Add ($3);
+ }
}
;
constant_declarator
: IDENTIFIER ASSIGN constant_expression
{
- $$ = new VariableDeclaration ((string) $1, $3, lexer.Location);
+ $$ = new VariableDeclaration ((LocatedToken) $1, $3);
+ }
+ | IDENTIFIER
+ {
+ // A const field requires a value to be provided
+ Report.Error (145, ((LocatedToken) $1).Location, "A const field requires a value to be provided");
+ $$ = null;
}
;
int mod = (int) $2;
foreach (VariableDeclaration var in (ArrayList) $4){
- Location l = var.Location;
-
- Field field = new Field (type, mod, var.identifier,
+ Field field = new Field (current_class, type, mod, var.identifier,
var.expression_or_array_initializer,
- (Attributes) $1, l);
+ (Attributes) $1, var.Location);
- CheckDef (current_container.AddField (field), field.Name, l);
+ if (RootContext.Documentation != null) {
+ field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ current_container.AddField (field);
+ $$ = field; // FIXME: might be better if it points to the top item
}
}
+ | opt_attributes
+ opt_modifiers
+ FIXED
+ type
+ fixed_variable_declarators
+ SEMICOLON
+ {
+ Expression type = (Expression) $4;
+ int mod = (int) $2;
+
+ foreach (VariableDeclaration var in (ArrayList) $5) {
+ FixedField field = new FixedField (current_class, type, mod, var.identifier,
+ (Expression)var.expression_or_array_initializer, (Attributes) $1, var.Location);
+
+ if (RootContext.Documentation != null) {
+ field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ current_container.AddField (field);
+ $$ = field; // FIXME: might be better if it points to the top item
+ }
+ }
| opt_attributes
opt_modifiers
VOID
variable_declarators
SEMICOLON {
- Report.Error (670, lexer.Location, "void type is not allowed for fields");
+ Report.Error (670, (Location) $3, "Fields cannot have void type");
+ }
+ ;
+
+fixed_variable_declarators
+ : fixed_variable_declarator
+ {
+ ArrayList decl = new ArrayList (2);
+ decl.Add ($1);
+ $$ = decl;
+ }
+ | fixed_variable_declarators COMMA fixed_variable_declarator
+ {
+ ArrayList decls = (ArrayList) $1;
+ decls.Add ($3);
+ $$ = $1;
+ }
+ ;
+
+fixed_variable_declarator
+ : IDENTIFIER OPEN_BRACKET expression CLOSE_BRACKET
+ {
+ $$ = new VariableDeclaration ((LocatedToken) $1, $3);
}
;
: variable_declarator
{
ArrayList decl = new ArrayList (4);
- decl.Add ($1);
+ if ($1 != null)
+ decl.Add ($1);
$$ = decl;
}
| variable_declarators COMMA variable_declarator
variable_declarator
: IDENTIFIER ASSIGN variable_initializer
{
- $$ = new VariableDeclaration ((string) $1, $3, lexer.Location);
+ $$ = new VariableDeclaration ((LocatedToken) $1, $3);
}
| IDENTIFIER
{
- $$ = new VariableDeclaration ((string) $1, null, lexer.Location);
+ $$ = new VariableDeclaration ((LocatedToken) $1, null);
+ }
+ | IDENTIFIER OPEN_BRACKET opt_expression CLOSE_BRACKET
+ {
+ Report.Error (650, ((LocatedToken) $1).Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
+ "To declare a fixed size buffer field, use the fixed keyword before the field type");
+ $$ = null;
}
;
}
| STACKALLOC type OPEN_BRACKET expression CLOSE_BRACKET
{
- $$ = new StackAlloc ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new StackAlloc ((Expression) $2, (Expression) $4, (Location) $1);
+ }
+ | STACKALLOC type
+ {
+ Report.Error (1575, (Location) $1, "A stackalloc expression requires [] after type");
+ $$ = null;
}
;
method_declaration
: method_header {
iterator_container = (IIteratorContainer) $1;
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.NotAllowed;
}
method_body
{
Method method = (Method) $1;
- Block b = (Block) $3;
- const int extern_abstract = (Modifiers.EXTERN | Modifiers.ABSTRACT);
-
- if (b == null){
- if ((method.ModFlags & extern_abstract) == 0){
- Report.Error (
- 501, lexer.Location, current_container.MakeName (method.Name) +
- "must declare a body because it is not marked abstract or extern");
- }
- } else {
- if ((method.ModFlags & Modifiers.EXTERN) != 0){
- Report.Error (
- 179, lexer.Location, current_container.MakeName (method.Name) +
- " is declared extern, but has a body");
- }
- }
-
- method.Block = (Block) $3;
- CheckDef (current_container.AddMethod (method), method.Name, method.Location);
+ method.Block = (ToplevelBlock) $3;
+ current_container.AddMethod (method);
current_local_parameters = null;
iterator_container = null;
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
}
;
while (m != 0){
if ((i & m) != 0){
- Report.Error (
- 1585, lexer.Location, "Member modifier `" +
- Modifiers.Name (i) + "' must precede member type and name");
+ Report.Error (1585, lexer.Location,
+ "Member modifier `{0}' must precede the member type and name",
+ Modifiers.Name (i));
}
m &= ~i;
i = i << 1;
GenericMethod generic = null;
if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_container,
- name, lexer.Location);
+ generic = new GenericMethod (current_namespace, current_class, name);
- CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
- 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);
+ method = new Method (current_class, generic, (Expression) $3, (int) $2, false,
+ name, (Parameters) $6, (Attributes) $1);
current_local_parameters = (Parameters) $6;
+ if (RootContext.Documentation != null)
+ method.DocComment = Lexer.consume_doc_comment ();
+
$$ = method;
}
| opt_attributes
Method method;
GenericMethod generic = null;
if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_container,
- name, lexer.Location);
+ generic = new GenericMethod (current_namespace, current_class, name);
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
- CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
-
- method = new Method (generic, TypeManager.system_void_expr, (int) $2,
- false, name, (Parameters) $6, (Attributes) $1,
- lexer.Location);
- } else
- method = new Method (current_container, TypeManager.system_void_expr,
- (int) $2, false, name, (Parameters) $6,
- (Attributes) $1, lexer.Location);
+ method = new Method (current_class, generic, TypeManager.system_void_expr,
+ (int) $2, false, name, (Parameters) $6, (Attributes) $1);
current_local_parameters = (Parameters) $6;
+ if (RootContext.Documentation != null)
+ method.DocComment = Lexer.consume_doc_comment ();
+
$$ = method;
}
| opt_attributes
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;
+ 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_container, TypeManager.system_void_expr,
- 0, false, name, (Parameters) $6, (Attributes) $1,
- lexer.Location);
+ Method method = new Method (current_class, null, TypeManager.system_void_expr,
+ 0, false, name, (Parameters) $6, (Attributes) $1);
current_local_parameters = (Parameters) $6;
- $$ = method;
+
+ if (RootContext.Documentation != null)
+ method.DocComment = Lexer.consume_doc_comment ();
+
+ $$ = null;
}
;
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
+ $$ = new Parameters (pars, null);
}
| fixed_parameters COMMA parameter_array
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, (Parameter) $3, lexer.Location);
+ $$ = new Parameters (pars, (Parameter) $3);
}
| fixed_parameters COMMA ARGLIST
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, true, lexer.Location);
+ $$ = new Parameters (pars, true);
+ }
+ | parameter_array COMMA fixed_parameters
+ {
+ if ($1 != null)
+ Report.Error (231, ((Parameter) $1).Location, "A params parameter must be the last parameter in a formal parameter list");
+ $$ = null;
+ }
+ | ARGLIST COMMA fixed_parameters
+ {
+ Report.Error (257, (Location) $1, "An __arglist parameter must be the last parameter in a formal parameter list");
+ $$ = null;
}
| parameter_array
{
- $$ = new Parameters (null, (Parameter) $1, lexer.Location);
+ $$ = new Parameters (null, (Parameter) $1);
}
| ARGLIST
{
- $$ = new Parameters (null, true, lexer.Location);
+ $$ = new Parameters (null, true);
}
;
type
IDENTIFIER
{
- $$ = new Parameter ((Expression) $3, (string) $4, (Parameter.Modifier) $2, (Attributes) $1);
+ LocatedToken lt = (LocatedToken) $4;
+ $$ = new Parameter ((Expression) $3, lt.Value, (Parameter.Modifier) $2, (Attributes) $1, lt.Location);
+ }
+ | opt_attributes
+ opt_parameter_modifier
+ type
+ IDENTIFIER OPEN_BRACKET CLOSE_BRACKET
+ {
+ LocatedToken lt = (LocatedToken) $4;
+ Report.Error (1552, lt.Location, "Array type specifier, [], must appear before parameter name");
+ $$ = null;
+ }
+ | opt_attributes
+ opt_parameter_modifier
+ type
+ {
+ Report.Error (1001, GetLocation ($3), "Identifier expected");
+ $$ = null;
}
| opt_attributes
opt_parameter_modifier
type
error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
}
+ | opt_attributes
+ opt_parameter_modifier
+ type
+ IDENTIFIER
+ ASSIGN
+ constant_expression
+ {
+ LocatedToken lt = (LocatedToken) $4;
+ Report.Error (241, lt.Location, "Default parameter specifiers are not permitted");
+ $$ = null;
+ }
;
opt_parameter_modifier
parameter_array
: opt_attributes PARAMS type IDENTIFIER
{
- $$ = new Parameter ((Expression) $3, (string) $4, Parameter.Modifier.PARAMS, (Attributes) $1);
+ LocatedToken lt = (LocatedToken) $4;
+ $$ = new Parameter ((Expression) $3, lt.Value, Parameter.Modifier.PARAMS, (Attributes) $1, lt.Location);
note ("type must be a single-dimension array type");
}
+ | opt_attributes PARAMS parameter_modifier type IDENTIFIER
+ {
+ Report.Error (1611, (Location) $2, "The params parameter cannot be declared as ref or out");
+ $$ = null;
+ }
| opt_attributes PARAMS type error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
}
;
property_declaration
: opt_attributes
opt_modifiers
- type namespace_or_type_name
+ type
+ namespace_or_type_name
+ {
+ if (RootContext.Documentation != null)
+ tmpComment = Lexer.consume_doc_comment ();
+ }
OPEN_BRACE
{
implicit_value_parameter_type = (Expression) $3;
lexer.PropertyParsing = true;
-
- $$ = lexer.Location;
-
- iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_declarations
{
lexer.PropertyParsing = false;
+ has_get = has_set = false;
}
CLOSE_BRACE
{
+ if ($8 == null)
+ break;
+
Property prop;
- Pair pair = (Pair) $7;
+ Pair pair = (Pair) $8;
Accessor get_block = (Accessor) pair.First;
Accessor set_block = (Accessor) pair.Second;
MemberName name = (MemberName) $4;
+
if (name.TypeArguments != null)
syntax_error (lexer.Location, "a property can't have type arguments");
- Location loc = (Location) $6;
- prop = new Property (current_container, (Expression) $3, (int) $2, false,
- name, (Attributes) $1, get_block, set_block, loc);
- if (SimpleIteratorContainer.Simple.Yields)
- prop.SetYields ();
+ prop = new Property (current_class, (Expression) $3, (int) $2, false,
+ name, (Attributes) $1, get_block, set_block);
- CheckDef (current_container.AddProperty (prop), prop.Name, loc);
+ current_container.AddProperty (prop);
implicit_value_parameter_type = null;
- iterator_container = null;
+
+ if (RootContext.Documentation != null)
+ prop.DocComment = ConsumeStoredComment ();
+
}
;
accessor_declarations
- : get_accessor_declaration opt_set_accessor_declaration
- {
- $$ = new Pair ($1, $2);
- }
- | set_accessor_declaration opt_get_accessor_declaration
+ : get_accessor_declaration
+ {
+ $$ = new Pair ($1, null);
+ }
+ | get_accessor_declaration accessor_declarations
+ {
+ Pair pair = (Pair) $2;
+ pair.First = $1;
+ $$ = pair;
+ }
+ | set_accessor_declaration
+ {
+ $$ = new Pair (null, $1);
+ }
+ | set_accessor_declaration accessor_declarations
+ {
+ Pair pair = (Pair) $2;
+ pair.Second = $1;
+ $$ = pair;
+ }
+ | error
{
- $$ = new Pair ($2, $1);
+ Report.Error (1014, GetLocation ($1), "A get or set accessor expected");
+ $$ = null;
}
;
-opt_get_accessor_declaration
- : /* empty */ { $$ = null; }
- | get_accessor_declaration
- ;
-
-opt_set_accessor_declaration
- : /* empty */ { $$ = null; }
- | set_accessor_declaration
- ;
-
get_accessor_declaration
- : opt_attributes GET
+ : opt_attributes opt_modifiers GET
{
// If this is not the case, then current_local_parameters has already
// been set in indexer_declaration
else
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
+
+ iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_body
{
- $$ = new Accessor ((Block) $4, (Attributes) $1);
+ if (has_get) {
+ Report.Error (1007, (Location) $3, "Property accessor already defined");
+ break;
+ }
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, (Location) $3);
+ has_get = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
+
+ if (SimpleIteratorContainer.Simple.Yields)
+ accessor.SetYields ();
+
+ iterator_container = null;
+
+ if (RootContext.Documentation != null)
+ if (Lexer.doc_state == XmlCommentState.Error)
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+
+ $$ = accessor;
}
;
set_accessor_declaration
- : opt_attributes SET
+ : opt_attributes opt_modifiers SET
{
Parameter [] args;
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, (Location) $3);
if (parsing_indexer == false) {
args = new Parameter [1];
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
} else {
Parameter [] fpars = indexer_parameters.FixedParameters;
} else
args = null;
current_local_parameters = new Parameters (
- args, indexer_parameters.ArrayParameter, lexer.Location);
+ args, indexer_parameters.ArrayParameter);
}
lexer.PropertyParsing = false;
+
+ iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_body
{
- $$ = new Accessor ((Block) $4, (Attributes) $1);
+ if (has_set) {
+ Report.Error (1007, ((LocatedToken) $3).Location, "Property accessor already defined");
+ break;
+ }
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, (Location) $3);
+ has_set = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
+
+ if (SimpleIteratorContainer.Simple.Yields)
+ accessor.SetYields ();
+
+ iterator_container = null;
+
+ if (RootContext.Documentation != null
+ && Lexer.doc_state == XmlCommentState.Error)
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+
+ $$ = accessor;
}
;
interface_declaration
: opt_attributes
opt_modifiers
- INTERFACE member_name
+ opt_partial
+ INTERFACE
{
- Interface new_interface;
- MemberName full_interface_name = MakeName ((MemberName) $4);
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
+ {
+ MemberName name = MakeName ((MemberName) $6);
- 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");
+ 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);
}
- current_interface = 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;
- }
- 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;
+ if ($8 != null)
+ current_class.Bases = (ArrayList) $8;
+
+ current_class.SetParameterInfo ((ArrayList) $9);
- current_interface = null;
- current_container = current_container.Parent;
- CheckDef (current_container.AddInterface (new_interface),
- new_interface.Name, new_interface.Location);
+ if (RootContext.Documentation != null) {
+ current_class.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
}
- | opt_attributes opt_modifiers INTERFACE error {
- CheckIdentifierToken (yyToken);
+ interface_body
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ opt_semicolon
+ {
+ $$ = pop_current_class ();
+ }
+ | opt_attributes opt_modifiers opt_partial INTERFACE error {
+ CheckIdentifierToken (yyToken, GetLocation ($5));
}
;
interface_member_declaration
: interface_method_declaration
{
+ if ($1 == null)
+ break;
+
Method m = (Method) $1;
- CheckDef (current_interface.AddMethod (m), m.Name, m.Location);
+ if (m.IsExplicitImpl)
+ Report.Error (541, m.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ m.GetSignatureForError ());
+
+ current_container.AddMethod (m);
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
}
| interface_property_declaration
{
+ if ($1 == null)
+ break;
+
Property p = (Property) $1;
- CheckDef (current_interface.AddProperty (p), p.Name, p.Location);
- }
+ if (p.IsExplicitImpl)
+ Report.Error (541, p.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ p.GetSignatureForError ());
+
+ current_container.AddProperty (p);
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
| interface_event_declaration
{
if ($1 != null){
Event e = (Event) $1;
- CheckDef (current_interface.AddEvent (e), e.Name, lexer.Location);
+
+ if (e.IsExplicitImpl)
+ Report.Error (541, e.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ e.GetSignatureForError ());
+
+ current_container.AddEvent (e);
}
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
}
| interface_indexer_declaration
{
+ if ($1 == null)
+ break;
+
Indexer i = (Indexer) $1;
- current_interface.AddIndexer (i);
+ if (i.IsExplicitImpl)
+ Report.Error (541, i.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ i.GetSignatureForError ());
+
+ current_container.AddIndexer (i);
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ | delegate_declaration
+ {
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
+ }
+ | class_declaration
+ {
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
+ }
+ | struct_declaration
+ {
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
+ }
+ | enum_declaration
+ {
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
+ }
+ | interface_declaration
+ {
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
+ }
+ | constant_declaration
+ {
+ Report.Error (525, GetLocation ($1), "Interfaces cannot contain fields or constants");
}
;
: opt_modifiers
{
int val = (int) $1;
- val = Modifiers.Check (Modifiers.NEW | Modifiers.UNSAFE, val, 0, lexer.Location);
+ val = Modifiers.Check (Modifiers.NEW | Modifiers.UNSAFE, val, 0, GetLocation ($1));
$$ = val;
}
;
+interface_method_declaration_body
+ : OPEN_BRACE
+ {
+ lexer.ConstraintsParsing = false;
+ }
+ opt_statement_list CLOSE_BRACE
+ {
+ Report.Error (531, lexer.Location,
+ "'{0}': interface members cannot have a definition", $4);
+ $$ = null;
+ }
+ | SEMICOLON
+ ;
+
interface_method_declaration
: opt_attributes opt_new type namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
lexer.ConstraintsParsing = true;
}
opt_type_parameter_constraints_clauses
- SEMICOLON
+ interface_method_declaration_body
{
lexer.ConstraintsParsing = false;
GenericMethod generic = null;
if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_container,
- name, lexer.Location);
+ generic = new GenericMethod (current_namespace, current_class, name);
- CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
- $$ = new Method (generic, (Expression) $3, (int) $2, true, name,
- (Parameters) $6, (Attributes) $1, lexer.Location);
- } else
- $$ = new Method (current_container, (Expression) $3, (int) $2, true,
- name, (Parameters) $6, (Attributes) $1,
- lexer.Location);
+ $$ = new Method (current_class, generic, (Expression) $3, (int) $2, true, name,
+ (Parameters) $6, (Attributes) $1);
+ if (RootContext.Documentation != null)
+ ((Method) $$).DocComment = Lexer.consume_doc_comment ();
}
| opt_attributes opt_new VOID namespace_or_type_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
lexer.ConstraintsParsing = true;
}
opt_type_parameter_constraints_clauses
- SEMICOLON
+ interface_method_declaration_body
{
lexer.ConstraintsParsing = false;
GenericMethod generic = null;
if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_container,
- name, lexer.Location);
+ generic = new GenericMethod (current_namespace, current_class, name);
- CheckDef (generic.SetParameterInfo ((ArrayList) $9), name.Name, lexer.Location);
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
- $$ = new Method (generic, TypeManager.system_void_expr, (int) $2,
- true, name, (Parameters) $6, (Attributes) $1,
- lexer.Location);
- } else
- $$ = new Method (current_container, TypeManager.system_void_expr,
- (int) $2, true, name, (Parameters) $6,
- (Attributes) $1, lexer.Location);
+ $$ = new Method (current_class, generic, TypeManager.system_void_expr, (int) $2,
+ true, name, (Parameters) $6, (Attributes) $1);
+ if (RootContext.Documentation != null)
+ ((Method) $$).DocComment = Lexer.consume_doc_comment ();
}
;
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
+ LocatedToken lt = (LocatedToken) $4;
+ MemberName name = new MemberName (lt.Value, lt.Location);
+
+ if ($3 == TypeManager.system_void_expr) {
+ Report.Error (547, lt.Location, "`{0}': property or indexer cannot have void type", lt.Value);
+ break;
+ }
+
+ if ($7 == null) {
+ Property p = new Property (current_class, (Expression) $3, (int) $2, true,
+ name, (Attributes) $1,
+ null, null);
+
+ Report.Error (548, lexer.Location, "`{0}': property or indexer must have at least one accessor", p.GetSignatureForError ());
+ break;
+ }
+
InterfaceAccessorInfo pinfo = (InterfaceAccessorInfo) $7;
- $$ = new Property (current_container, (Expression) $3, (int) $2, true,
- new MemberName ((string) $4), (Attributes) $1,
- pinfo.Get, pinfo.Set, lexer.Location);
+ $$ = new Property (current_class, (Expression) $3, (int) $2, true,
+ name, (Attributes) $1,
+ pinfo.Get, pinfo.Set);
+ if (RootContext.Documentation != null)
+ ((Property) $$).DocComment = Lexer.consume_doc_comment ();
}
| opt_attributes
opt_new
type error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
}
;
interface_accessors
- : opt_attributes GET SEMICOLON { $$ = new InterfaceAccessorInfo (true, false, (Attributes) $1, null); }
- | opt_attributes SET SEMICOLON { $$ = new InterfaceAccessorInfo (false, true, null, (Attributes) $1); }
- | opt_attributes GET SEMICOLON opt_attributes SET SEMICOLON
- { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $1, (Attributes) $3); }
- | opt_attributes SET SEMICOLON opt_attributes GET SEMICOLON
- { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $3, (Attributes) $1); }
+ : opt_attributes opt_modifiers GET SEMICOLON
+ {
+ $$ = new InterfaceAccessorInfo (true, false, (Attributes) $1, null, (int) $2, 0, (Location) $3, (Location) $3);
+ }
+ | opt_attributes opt_modifiers GET OPEN_BRACE
+ {
+ Report.Error (531, (Location) $3, "`{0}': interface members cannot have a definition", ".get");
+ $$ = new InterfaceAccessorInfo (true, false, (Attributes) $1, null, (int) $2, 0, (Location) $3, (Location) $3);
+ }
+ | opt_attributes opt_modifiers SET SEMICOLON
+ {
+ $$ = new InterfaceAccessorInfo (false, true, null, (Attributes) $1, 0, (int) $2, (Location) $3, (Location) $3);
+ }
+ | opt_attributes opt_modifiers GET SEMICOLON opt_attributes opt_modifiers SET SEMICOLON
+ {
+ $$ = new InterfaceAccessorInfo (true, true, (Attributes) $1, (Attributes) $5, (int) $2, (int) $6, (Location) $3, (Location) $7);
+ }
+ | opt_attributes opt_modifiers SET SEMICOLON opt_attributes opt_modifiers GET SEMICOLON
+ {
+ $$ = new InterfaceAccessorInfo (true, true, (Attributes) $5, (Attributes) $1, (int) $6, (int) $2, (Location) $3, (Location) $3);
+ }
+ |
+ {
+ $$ = null;
+ }
;
interface_event_declaration
: opt_attributes opt_new EVENT type IDENTIFIER SEMICOLON
{
- $$ = new EventField (current_container, (Expression) $4, (int) $2, true,
- new MemberName ((string) $5), null,
- (Attributes) $1, lexer.Location);
+ LocatedToken lt = (LocatedToken) $5;
+ $$ = new EventField (current_class, (Expression) $4, (int) $2, true,
+ new MemberName (lt.Value, lt.Location), null,
+ (Attributes) $1);
+ if (RootContext.Documentation != null)
+ ((EventField) $$).DocComment = Lexer.consume_doc_comment ();
}
| opt_attributes opt_new EVENT type error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($5));
$$ = null;
}
| opt_attributes opt_new EVENT type IDENTIFIER ASSIGN {
- Report.Error (68, lexer.Location, "Event declarations on interfaces can not be initialized.");
+ LocatedToken lt = (LocatedToken) $5;
+ Report.Error (68, lt.Location, "`{0}.{1}': event in interface cannot have initializer", current_container.Name, lt.Value);
$$ = 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");
+ | opt_attributes opt_new EVENT type IDENTIFIER OPEN_BRACE
+ {
+ lexer.EventParsing = true;
+ }
+ event_accessor_declarations
+ {
+ lexer.EventParsing = false;
+ }
+ CLOSE_BRACE {
+ Report.Error (69, (Location) $3, "Event in interface cannot have add or remove accessors");
$$ = null;
}
;
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
+ if ($10 == null) {
+ Indexer i = new Indexer (current_class, (Expression) $3,
+ new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
+ (int) $2, true, (Parameters) $6, (Attributes) $1,
+ null, null);
+
+ Report.Error (548, lexer.Location, "`{0}': property or indexer must have at least one accessor", i.GetSignatureForError ());
+ break;
+ }
+
InterfaceAccessorInfo info = (InterfaceAccessorInfo) $10;
- $$ = new Indexer (current_container, (Expression) $3, (int) $2, true,
- MemberName.Null, (Parameters) $6, (Attributes) $1,
- info.Get, info.Set, lexer.Location);
+ $$ = new Indexer (current_class, (Expression) $3,
+ new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
+ (int) $2, true, (Parameters) $6, (Attributes) $1,
+ info.Get, info.Set);
+ if (RootContext.Documentation != null)
+ ((Indexer) $$).DocComment = ConsumeStoredComment ();
}
;
}
operator_body
{
+ if ($3 == null)
+ break;
+
OperatorDeclaration decl = (OperatorDeclaration) $3;
- Operator op = new Operator (decl.optype, decl.ret_type, (int) $2, decl.arg1type, decl.arg1name,
- decl.arg2type, decl.arg2name, (Block) $5, (Attributes) $1, decl.location);
+ Parameter [] param_list = new Parameter [decl.arg2type != null ? 2 : 1];
+
+ param_list[0] = new Parameter (decl.arg1type, decl.arg1name, Parameter.Modifier.NONE, null, decl.location);
+ if (decl.arg2type != null)
+ param_list[1] = new Parameter (decl.arg2type, decl.arg2name, Parameter.Modifier.NONE, null, decl.location);
+
+ Operator op = new Operator (
+ current_class, decl.optype, decl.ret_type, (int) $2,
+ new Parameters (param_list, null),
+ (ToplevelBlock) $5, (Attributes) $1, decl.location);
+
+ if (RootContext.Documentation != null) {
+ op.DocComment = tmpComment;
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
if (SimpleIteratorContainer.Simple.Yields)
op.SetYields ();
operator_declarator
: type OPERATOR overloadable_operator
OPEN_PARENS type IDENTIFIER CLOSE_PARENS
- {
+ {
+ LocatedToken lt = (LocatedToken) $6;
Operator.OpType op = (Operator.OpType) $3;
- CheckUnaryOperator (op);
+ CheckUnaryOperator (op, lt.Location);
if (op == Operator.OpType.Addition)
op = Operator.OpType.UnaryPlus;
op = Operator.OpType.UnaryNegation;
Parameter [] pars = new Parameter [1];
+ Expression type = (Expression) $5;
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter (type, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
- $$ = new OperatorDeclaration (op, (Expression) $1, (Expression) $5, (string) $6,
- null, null, lexer.Location);
- }
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
+
+ $$ = new OperatorDeclaration (op, (Expression) $1, type, lt.Value,
+ null, null, (Location) $2);
+ }
| type OPERATOR overloadable_operator
OPEN_PARENS
type IDENTIFIER COMMA
type IDENTIFIER
CLOSE_PARENS
- {
- CheckBinaryOperator ((Operator.OpType) $3);
+ {
+ LocatedToken ltParam1 = (LocatedToken) $6;
+ LocatedToken ltParam2 = (LocatedToken) $9;
+ CheckBinaryOperator ((Operator.OpType) $3, (Location) $2);
- Parameter [] pars = new Parameter [2];
+ Parameter [] pars = new Parameter [2];
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
- pars [1] = new Parameter ((Expression) $8, (string) $9, Parameter.Modifier.NONE, null);
+ Expression typeL = (Expression) $5;
+ Expression typeR = (Expression) $8;
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ 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);
+
+ current_local_parameters = new Parameters (pars, null);
+
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
$$ = new OperatorDeclaration ((Operator.OpType) $3, (Expression) $1,
- (Expression) $5, (string) $6,
- (Expression) $8, (string) $9, lexer.Location);
- }
+ typeL, ltParam1.Value,
+ typeR, ltParam2.Value, (Location) $2);
+ }
| conversion_operator_declarator
+ | type OPERATOR overloadable_operator
+ OPEN_PARENS
+ type IDENTIFIER COMMA
+ type IDENTIFIER COMMA
+ type IDENTIFIER
+ CLOSE_PARENS
+ {
+ Report.Error (1534, (Location) $2, "Overloaded binary operator `{0}' takes two parameters",
+ Operator.GetName ((Operator.OpType) $3));
+ $$ = null;
+ }
+ | type OPERATOR overloadable_operator
+ OPEN_PARENS CLOSE_PARENS
+ {
+ Report.Error (1535, (Location) $2, "Overloaded unary operator `{0}' takes one parameter",
+ Operator.GetName ((Operator.OpType) $3));
+ $$ = null;
+ }
;
overloadable_operator
conversion_operator_declarator
: IMPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
{
+ LocatedToken lt = (LocatedToken) $6;
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter ((Expression) $5, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
- $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, (Expression) $5, (string) $6,
- null, null, lexer.Location);
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
+
+ $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, (Expression) $5, lt.Value,
+ null, null, (Location) $2);
}
| EXPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
{
+ LocatedToken lt = (LocatedToken) $6;
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter ((Expression) $5, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
- $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, (Expression) $5, (string) $6,
- null, null, lexer.Location);
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
+
+ $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, (Expression) $5, lt.Value,
+ null, null, (Location) $2);
}
| IMPLICIT error
{
- syntax_error (lexer.Location, "'operator' expected");
+ syntax_error ((Location) $1, "'operator' expected");
}
| EXPLICIT error
{
- syntax_error (lexer.Location, "'operator' expected");
+ syntax_error ((Location) $1, "'operator' expected");
}
;
constructor_body
{
Constructor c = (Constructor) $3;
- c.Block = (Block) $4;
+ c.Block = (ToplevelBlock) $4;
c.OptAttributes = (Attributes) $1;
c.ModFlags = (int) $2;
+ if (RootContext.Documentation != null)
+ c.DocComment = ConsumeStoredComment ();
+
if (c.Name == current_container.Basename){
if ((c.ModFlags & Modifiers.STATIC) != 0){
if ((c.ModFlags & Modifiers.Accessibility) != 0){
- Report.Error (
- 515, c.Location, String.Format (
- "`{0}.{1}': static constructor can not have access modifiers",
- c.Name, current_container.Name));
+ Report.Error (515, c.Location,
+ "`{0}': access modifiers are not allowed on static constructors",
+ c.GetSignatureForError ());
}
c.ModFlags = Modifiers.Check (Constructor.AllowedModifiers, (int) $2, Modifiers.PRIVATE, c.Location);
if (c.Initializer != null){
- Report.Error (
- 514, c.Location,
- "Static constructors can not have an explicit this or base " +
- "constructor invocations");
+ Report.Error (514, c.Location,
+ "`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
+ c.GetSignatureForError ());
}
if (!c.Parameters.Empty){
- Report.Error (
- 132, c.Location, "Static constructors should not have parameters");
+ 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);
}
} else {
// We let another layer check the validity of the constructor.
- Console.WriteLine ("{0} and {1}", c.Name, current_container.Basename);
+ //Console.WriteLine ("{0} and {1}", c.Name, current_container.Basename);
}
- CheckDef (current_container.AddConstructor (c), c.Name, c.Location);
+ current_container.AddConstructor (c);
current_local_parameters = null;
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
}
;
constructor_declarator
- : IDENTIFIER
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ : IDENTIFIER
{
- oob_stack.Push (lexer.Location);
-
- current_local_parameters = (Parameters) $3;
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ }
+ OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ {
+ current_local_parameters = (Parameters) $4;
}
opt_constructor_initializer
{
- Location l = (Location) oob_stack.Pop ();
- $$ = new Constructor (current_container, (string) $1, 0, (Parameters) $3,
- (ConstructorInitializer) $6, l);
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new Constructor (current_class, lt.Value, 0, (Parameters) $4,
+ (ConstructorInitializer) $7, lt.Location);
}
;
constructor_initializer
: COLON BASE OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorBaseInitializer ((ArrayList) $4, current_local_parameters, lexer.Location);
+ $$ = new ConstructorBaseInitializer ((ArrayList) $4, (Location) $2);
}
| COLON THIS OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorThisInitializer ((ArrayList) $4, current_local_parameters, lexer.Location);
+ $$ = new ConstructorThisInitializer ((ArrayList) $4, (Location) $2);
}
| COLON error {
- Report.Error (1018, lexer.Location, "Keyword this or base expected");
+ Report.Error (1018, (Location) $1, "Keyword this or base expected");
$$ = null;
}
;
;
destructor_declaration
- : opt_attributes opt_finalizer TILDE IDENTIFIER OPEN_PARENS CLOSE_PARENS block
+ : opt_attributes opt_finalizer TILDE
{
- if ((string) $4 != current_container.Basename){
- Report.Error (574, lexer.Location, "Name of destructor must match name of class");
- } else if (!(current_container is Class)){
- Report.Error (575, lexer.Location, "Destructors are only allowed in class types");
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
+ }
+ IDENTIFIER OPEN_PARENS CLOSE_PARENS block
+ {
+ LocatedToken lt = (LocatedToken) $5;
+ if (lt.Value != current_container.MemberName.Name){
+ Report.Error (574, lt.Location, "Name of destructor must match name of class");
+ } else if (current_container.Kind != Kind.Class){
+ Report.Error (575, lt.Location, "Only class types can contain destructor");
} else {
- Location l = lexer.Location;
+ Location l = lt.Location;
int m = (int) $2;
if (!RootContext.StdLib && current_container.Name == "System.Object")
else
m |= Modifiers.PROTECTED | Modifiers.OVERRIDE;
- if ((m & Modifiers.UNSAFE) != 0){
- if (!RootContext.Unsafe){
- Report.Error (227, l,
- "Unsafe code requires the -unsafe command " +
- "line option to be specified");
- }
- }
-
Method d = new Destructor (
- current_container, TypeManager.system_void_expr, m, "Finalize",
- new Parameters (null, null, l), (Attributes) $1, l);
+ current_class, TypeManager.system_void_expr, m, "Finalize",
+ new Parameters (null, null), (Attributes) $1, l);
+ if (RootContext.Documentation != null)
+ d.DocComment = ConsumeStoredComment ();
- d.Block = (Block) $7;
- CheckDef (current_container.AddMethod (d), d.Name, d.Location);
+ d.Block = (ToplevelBlock) $8;
+ current_container.AddMethod (d);
}
}
- | 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
{
foreach (VariableDeclaration var in (ArrayList) $5) {
- MemberName name = new MemberName (var.identifier);
+ MemberName name = new MemberName (var.identifier,
+ var.Location);
+
+ Event e = new EventField (
+ current_class, (Expression) $4, (int) $2, false, name,
+ var.expression_or_array_initializer, (Attributes) $1);
- Event e = new EventField (current_container, (Expression) $4, (int) $2,
- false, name,
- var.expression_or_array_initializer,
- (Attributes) $1, lexer.Location);
+ current_container.AddEvent (e);
- CheckDef (current_container.AddEvent (e), e.Name, e.Location);
-
+ if (RootContext.Documentation != null) {
+ e.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
}
}
| opt_attributes
{
implicit_value_parameter_type = (Expression) $4;
lexer.EventParsing = true;
- oob_stack.Push (lexer.Location);
}
event_accessor_declarations
{
}
CLOSE_BRACE
{
- Location loc = (Location) oob_stack.Pop ();
+ MemberName name = (MemberName) $5;
if ($8 == null){
- Report.Error (65, lexer.Location, "Event must have both add and remove accesors");
+ Report.Error (65, (Location) $3, "`{0}.{1}': event property must have both add and remove accessors",
+ current_container.Name, name);
$$ = null;
} else {
- Pair pair = (Pair) $8;
+ Pair pair = (Pair) $8;
+
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "an event can't have type arguments");
- MemberName name = (MemberName) $5;
- if (name.TypeArguments != null)
- syntax_error (lexer.Location, "an event can't have type arguments");
+ if (pair.First == null || pair.Second == null)
+ // CS0073 is already reported, so no CS0065 here.
+ $$ = null;
+ else {
+ Event e = new EventProperty (
+ current_class, (Expression) $4, (int) $2, false, name, null,
+ (Attributes) $1, (Accessor) pair.First, (Accessor) pair.Second);
+ if (RootContext.Documentation != null) {
+ e.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
- 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;
+ current_container.AddEvent (e);
+ implicit_value_parameter_type = null;
+ }
+ }
}
+ | opt_attributes opt_modifiers EVENT type namespace_or_type_name error {
+ MemberName mn = (MemberName) $5;
+
+ if (mn.Left != null)
+ Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");
+ else
+ Report.Error (71, mn.Location, "Event declaration should use property syntax");
+
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
}
;
event_accessor_declarations
: add_accessor_declaration remove_accessor_declaration
- {
+ {
$$ = new Pair ($1, $2);
- }
+ }
| remove_accessor_declaration add_accessor_declaration
- {
+ {
$$ = new Pair ($2, $1);
- }
+ }
| add_accessor_declaration { $$ = null; }
| remove_accessor_declaration { $$ = null; }
+ | error
+ {
+ Report.Error (1055, GetLocation ($1), "An add or remove accessor expected");
+ $$ = null;
+ }
+ | { $$ = null; }
;
add_accessor_declaration
Parameter [] args = new Parameter [1];
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, (Location) $2);
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
lexer.EventParsing = false;
}
block
{
- $$ = new Accessor ((Block) $4, (Attributes) $1);
+ $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
lexer.EventParsing = true;
}
| opt_attributes ADD error {
- Report.Error (73, lexer.Location, "Add or remove accessor must have a body");
+ Report.Error (73, (Location) $2, "An add or remove accessor must have a body");
+ $$ = null;
+ }
+ | opt_attributes modifiers ADD {
+ Report.Error (1609, (Location) $3, "Modifiers cannot be placed on event accessor declarations");
$$ = null;
}
;
Parameter [] args = new Parameter [1];
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, (Location) $2);
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
lexer.EventParsing = false;
}
block
{
- $$ = new Accessor ((Block) $4, (Attributes) $1);
+ $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
lexer.EventParsing = true;
}
| opt_attributes REMOVE error {
- Report.Error (73, lexer.Location, "Add or remove accessor must have a body");
+ Report.Error (73, (Location) $2, "An add or remove accessor must have a body");
+ $$ = null;
+ }
+ | opt_attributes modifiers REMOVE {
+ Report.Error (1609, (Location) $3, "Modifiers cannot be placed on event accessor declarations");
$$ = null;
}
;
indexer_declaration
: opt_attributes opt_modifiers indexer_declarator
- OPEN_BRACE
+ OPEN_BRACE
{
IndexerDeclaration decl = (IndexerDeclaration) $3;
parsing_indexer = true;
indexer_parameters = decl.param_list;
- oob_stack.Push (lexer.Location);
+ iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_declarations
{
lexer.PropertyParsing = false;
+ has_get = has_set = false;
parsing_indexer = false;
}
CLOSE_BRACE
{
+ if ($6 == null)
+ break;
+
// The signature is computed from the signature of the indexer. Look
// at section 3.6 on the spec
- Location loc = (Location) oob_stack.Pop ();
Indexer indexer;
IndexerDeclaration decl = (IndexerDeclaration) $3;
Pair pair = (Pair) $6;
MemberName name;
if (decl.interface_type != null)
- name = new MemberName (decl.interface_type, "", null);
+ name = new MemberName (
+ decl.interface_type, TypeContainer.DefaultIndexerName, decl.location);
else
- name = MemberName.Null;
+ name = new MemberName (TypeContainer.DefaultIndexerName, decl.location);
- indexer = new Indexer (current_container, decl.type, (int) $2, false,
- name, decl.param_list, (Attributes) $1,
- get_block, set_block, loc);
+ indexer = new Indexer (current_class, decl.type, name,
+ (int) $2, false, decl.param_list, (Attributes) $1,
+ get_block, set_block);
+
+ if (RootContext.Documentation != null)
+ indexer.DocComment = ConsumeStoredComment ();
- // Note that there is no equivalent of CheckDef for this case
- // We shall handle this in semantic analysis
-
current_container.AddIndexer (indexer);
current_local_parameters = null;
: type THIS OPEN_BRACKET opt_formal_parameter_list CLOSE_BRACKET
{
Parameters pars = (Parameters) $4;
-
- if (pars.FixedParameters == null && pars.ArrayParameter == null){
- Report.Error (1551, lexer.Location, "Indexers must have at least one parameter");
+ if (pars.HasArglist) {
+ // "__arglist is not valid in this context"
+ Report.Error (1669, (Location) $2, "__arglist is not valid in this context");
+ } else if (pars.FixedParameters == null && pars.ArrayParameter == null){
+ Report.Error (1551, (Location) $2, "Indexers must have at least one parameter");
+ }
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
}
- $$ = new IndexerDeclaration ((Expression) $1, null, pars);
+ $$ = new IndexerDeclaration ((Expression) $1, null, pars, (Location) $2);
}
| 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");
+ if (pars.HasArglist) {
+ // "__arglist is not valid in this context"
+ Report.Error (1669, (Location) $4, "__arglist is not valid in this context");
+ } else if (pars.FixedParameters == null && pars.ArrayParameter == null){
+ Report.Error (1551, (Location) $4, "Indexers must have at least one parameter");
}
+
MemberName name = (MemberName) $2;
- if (name.TypeArguments != null)
- syntax_error (lexer.Location, "an indexer can't have type arguments");
+ $$ = new IndexerDeclaration ((Expression) $1, name, pars, (Location) $4);
- $$ = new IndexerDeclaration ((Expression) $1, name, pars);
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
}
;
enum_declaration
: opt_attributes
opt_modifiers
+ opt_partial
ENUM IDENTIFIER
- opt_enum_base
+ opt_enum_base {
+ if (RootContext.Documentation != null)
+ enumTypeComment = Lexer.consume_doc_comment ();
+ }
enum_body
opt_semicolon
- {
- Location enum_location = lexer.Location;
+ {
+ LocatedToken lt = (LocatedToken) $5;
+ 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 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);
+ MemberName name = MakeName (new MemberName (lt.Value, enum_location));
+ Enum e = new Enum (current_namespace, current_class, (Expression) $6, (int) $2,
+ name, (Attributes) $1);
- foreach (VariableDeclaration ev in (ArrayList) $6) {
- Location loc = (Location) ev.Location;
+ if (RootContext.Documentation != null)
+ e.DocComment = enumTypeComment;
+
- CheckDef (e.AddEnumMember (ev.identifier,
- (Expression) ev.expression_or_array_initializer,
- loc, ev.OptAttributes),
- ev.identifier, loc);
+ 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);
+
+// if (RootContext.Documentation != null)
+ em.DocComment = ev.DocComment;
+
+ e.AddEnumMember (em);
}
- string name = full_name.GetName (false);
- CheckDef (current_container.AddEnum (e), name, enum_location);
- RootContext.Tree.RecordDecl (name, e);
+ current_container.AddEnum (e);
+ RootContext.Tree.RecordDecl (current_namespace.NS, name, e);
+ $$ = e;
}
;
;
enum_body
- : OPEN_BRACE opt_enum_member_declarations CLOSE_BRACE
+ : OPEN_BRACE
{
- $$ = $2;
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ opt_enum_member_declarations
+ {
+ // here will be evaluated after CLOSE_BLACE is consumed.
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ CLOSE_BRACE
+ {
+ $$ = $3;
}
;
enum_member_declaration
: opt_attributes IDENTIFIER
{
- $$ = new VariableDeclaration ((string) $2, null, lexer.Location, (Attributes) $1);
+ VariableDeclaration vd = new VariableDeclaration (
+ (LocatedToken) $2, null, (Attributes) $1);
+
+ if (RootContext.Documentation != null) {
+ vd.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+
+ $$ = vd;
}
| opt_attributes IDENTIFIER
{
- $$ = lexer.Location;
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.NotAllowed;
+ }
}
ASSIGN expression
{
- $$ = new VariableDeclaration ((string) $2, $5, lexer.Location, (Attributes) $1);
+ VariableDeclaration vd = new VariableDeclaration (
+ (LocatedToken) $2, $5, (Attributes) $1);
+
+ if (RootContext.Documentation != null)
+ vd.DocComment = ConsumeStoredComment ();
+
+ $$ = vd;
}
;
delegate_declaration
: opt_attributes
opt_modifiers
- DELEGATE type member_name
+ DELEGATE
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ type member_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
- Location l = lexer.Location;
- Delegate del = new Delegate (
- current_namespace, current_container, (Expression) $4, (int) $2,
- MakeName ((MemberName) $5), (Parameters) $7, (Attributes) $1, l);
-
- CheckDef (current_container.AddDelegate (del), del.Name, l);
+ MemberName name = MakeName ((MemberName) $6);
+ Delegate del = new Delegate (current_namespace, current_class, (Expression) $5,
+ (int) $2, name, (Parameters) $8, (Attributes) $1);
- current_delegate = del;
+ if (RootContext.Documentation != null) {
+ del.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
- lexer.ConstraintsParsing = true;
+ current_container.AddDelegate (del);
+ RootContext.Tree.RecordDecl (current_namespace.NS, name, del);
+
+ current_delegate = del;
}
opt_type_parameter_constraints_clauses
{
}
SEMICOLON
{
- CheckDef (current_delegate.SetParameterInfo ((ArrayList) $9), current_delegate.Name, current_delegate.Location);
+ current_delegate.SetParameterInfo ((ArrayList) $10);
+ $$ = current_delegate;
current_delegate = null;
}
- | opt_attributes
- opt_modifiers
- DELEGATE VOID member_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- {
- Location l = lexer.Location;
- Delegate del = new Delegate (
- current_namespace, current_container,
- TypeManager.system_void_expr, (int) $2, MakeName ((MemberName) $5),
- (Parameters) $7, (Attributes) $1, l);
-
- CheckDef (current_container.AddDelegate (del), del.Name, l);
-
- current_delegate = del;
+ ;
- lexer.ConstraintsParsing = true;
- }
- opt_type_parameter_constraints_clauses
+opt_nullable
+ : /* empty */
{
- lexer.ConstraintsParsing = false;
+ lexer.CheckNullable (false);
+ $$ = false;
}
- SEMICOLON
+ | INTERR
{
- CheckDef (current_delegate.SetParameterInfo ((ArrayList) $9), current_delegate.Name, current_delegate.Location);
-
- current_delegate = null;
+ lexer.CheckNullable (true);
+ $$ = true;
}
;
namespace_or_type_name
: member_name
+ | IDENTIFIER DOUBLE_COLON IDENTIFIER {
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $3;
+ $$ = new MemberName (lt1.Value, lt2.Value, lt2.Location);
+ }
| namespace_or_type_name DOT IDENTIFIER opt_type_argument_list {
- $$ = new MemberName ((MemberName) $1, (string) $3, (TypeArguments) $4);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
;
member_name
: IDENTIFIER opt_type_argument_list {
- $$ = new MemberName ((string) $1, (TypeArguments) $2);
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
}
;
{
$$ = $2;
}
+ | GENERIC_DIMENSION
+ {
+ $$ = new TypeArguments ((int) $1, lexer.Location);
+ }
;
type_arguments
* gets rid of a shift/reduce couple
*/
type
- : namespace_or_type_name
+ : namespace_or_type_name opt_nullable
{
- $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
+ MemberName name = (MemberName) $1;
+ $$ = name.GetTypeExpression ();
+
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $$, "?", lexer.Location);
+ }
+ | builtin_types opt_nullable
+ {
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
}
- | builtin_types
| array_type
- | pointer_type
+ | pointer_type
;
-
pointer_type
: type STAR
{
// can't perform checks during this phase - we do it during
// semantic analysis.
//
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
| VOID STAR
{
- $$ = new ComposedCast (TypeManager.system_void_expr, "*", lexer.Location);
+ $$ = new ComposedCast (TypeManager.system_void_expr, "*", (Location) $1);
}
;
non_expression_type
- : builtin_types
+ : builtin_types opt_nullable
+ {
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
+ }
| non_expression_type rank_specifier
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, (string) $2);
}
| non_expression_type STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
| expression rank_specifiers
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, (string) $2);
}
| expression STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
//
//
| multiplicative_expression STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
;
;
array_type
- : type rank_specifiers
+ : type rank_specifiers opt_nullable
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ string rank_specifiers = (string) $2;
+ if ((bool) $3)
+ rank_specifiers += "?";
+
+ $$ = new ComposedCast ((Expression) $1, rank_specifiers);
}
;
{
// 7.5.1: Literals
}
-
- | member_name
+ | member_name
+ {
+ MemberName mn = (MemberName) $1;
+ $$ = mn.GetTypeExpression ();
+ }
+ | IDENTIFIER DOUBLE_COLON IDENTIFIER
{
- $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $3;
+ $$ = new QualifiedAliasMember (lt1.Value, lt2.Value, lt2.Location);
}
| parenthesized_expression
| default_value_expression
// If a parenthesized expression is followed by a minus, we need to wrap
// the expression inside a ParenthesizedExpression for the CS0075 check
// in Binary.DoResolve().
- $$ = new ParenthesizedExpression ((Expression) $1, lexer.Location);
+ $$ = new ParenthesizedExpression ((Expression) $1);
}
;;
member_access
: primary_expression DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3,
- (TypeArguments) $4, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberAccess ((Expression) $1, lt.Value,
+ (TypeArguments) $4, lt.Location);
}
| predefined_type DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3,
- (TypeArguments) $4, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberAccess ((Expression) $1, lt.Value,
+ (TypeArguments) $4, lt.Location);
}
;
;
invocation_expression
- : primary_expression OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : primary_expression {
+ $$ = lexer.Location;
+ } OPEN_PARENS opt_argument_list CLOSE_PARENS
{
if ($1 == null) {
- Location l = lexer.Location;
+ Location l = (Location) $3;
Report.Error (1, l, "Parse error");
}
- $$ = new Invocation ((Expression) $1, (ArrayList) $3, lexer.Location);
+ $$ = new Invocation ((Expression) $1, (ArrayList) $4);
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS CLOSE_PARENS
{
- $$ = new Invocation ((Expression) $1, new ArrayList (), lexer.Location);
+ $$ = new Invocation ((Expression) $1, new ArrayList ());
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS primary_expression
{
- $$ = new InvocationOrCast ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new InvocationOrCast ((Expression) $1, (Expression) $3);
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS non_simple_argument CLOSE_PARENS
+ {
+ ArrayList args = new ArrayList (1);
+ args.Add ($4);
+ $$ = new Invocation ((Expression) $1, args);
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS argument_list COMMA argument CLOSE_PARENS
+ {
+ ArrayList args = ((ArrayList) $4);
+ args.Add ($6);
+ $$ = new Invocation ((Expression) $1, args);
}
;
$$ = list;
}
| argument_list error {
- CheckToken (1026, yyToken, ", or ) expected");
+ CheckToken (1026, yyToken, "Expected `,' or `)'", GetLocation ($2));
+ $$ = null;
}
;
{
$$ = new Argument ((Expression) $1, Argument.AType.Expression);
}
- | REF variable_reference
+ | non_simple_argument
+ {
+ $$ = $1;
+ }
+ ;
+
+non_simple_argument
+ : REF variable_reference
{
$$ = new Argument ((Expression) $2, Argument.AType.Ref);
}
Argument[] args = new Argument [list.Count];
list.CopyTo (args, 0);
- Expression expr = new Arglist (args, lexer.Location);
+ Expression expr = new Arglist (args, (Location) $1);
$$ = new Argument (expr, Argument.AType.Expression);
}
| ARGLIST
{
- $$ = new Argument (new ArglistAccess (lexer.Location), Argument.AType.ArgList);
+ $$ = new Argument (new ArglistAccess ((Location) $1), Argument.AType.ArgList);
}
;
element_access
: primary_expression OPEN_BRACKET expression_list CLOSE_BRACKET
{
- $$ = new ElementAccess ((Expression) $1, (ArrayList) $3, lexer.Location);
+ $$ = new ElementAccess ((Expression) $1, (ArrayList) $3);
}
| primary_expression rank_specifiers
{
// Foo.Bar.Blah i;
// SimpleName is when you have
// Blah i;
-
+
Expression expr = (Expression) $1;
if (expr is ComposedCast){
- $$ = new ComposedCast (expr, (string) $2, lexer.Location);
- } else if (!(expr is SimpleName || expr is MemberAccess || expr is ConstructedType)){
- Error_ExpectingTypeName (lexer.Location, expr);
+ $$ = new ComposedCast (expr, (string) $2);
+ } else if (!(expr is SimpleName || expr is MemberAccess || expr is ConstructedType || expr is QualifiedAliasMember)){
+ Error_ExpectingTypeName (expr);
$$ = TypeManager.system_object_expr;
} else {
//
// So we extract the string corresponding to the SimpleName
// or MemberAccess
//
- $$ = new ComposedCast (expr, (string) $2, lexer.Location);
+ $$ = new ComposedCast (expr, (string) $2);
}
}
;
this_access
: THIS
{
- $$ = new This (current_block, lexer.Location);
+ $$ = new This (current_block, (Location) $1);
}
;
base_access
: BASE DOT IDENTIFIER
{
- $$ = new BaseAccess ((string) $3, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new BaseAccess (lt.Value, lt.Location);
}
| BASE OPEN_BRACKET expression_list CLOSE_BRACKET
{
- $$ = new BaseIndexerAccess ((ArrayList) $3, lexer.Location);
+ $$ = new BaseIndexerAccess ((ArrayList) $3, (Location) $1);
}
| BASE error {
- Report.Error (175, "Use of keyword `base' is not valid in this context");
+ Report.Error (175, (Location) $1, "Use of keyword `base' is not valid in this context");
$$ = null;
}
;
: primary_expression OP_INC
{
$$ = new UnaryMutator (UnaryMutator.Mode.PostIncrement,
- (Expression) $1, lexer.Location);
+ (Expression) $1, (Location) $2);
}
;
: primary_expression OP_DEC
{
$$ = new UnaryMutator (UnaryMutator.Mode.PostDecrement,
- (Expression) $1, lexer.Location);
+ (Expression) $1, (Location) $2);
}
;
object_or_delegate_creation_expression
: NEW type OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- $$ = new New ((Expression) $2, (ArrayList) $4, lexer.Location);
+ $$ = new New ((Expression) $2, (ArrayList) $4, (Location) $1);
}
;
opt_rank_specifier
opt_array_initializer
{
- $$ = new ArrayCreation ((Expression) $2, (ArrayList) $4, (string) $6, (ArrayList) $7, lexer.Location);
+ $$ = new ArrayCreation ((Expression) $2, (ArrayList) $4, (string) $6, (ArrayList) $7, (Location) $1);
}
| NEW type rank_specifiers array_initializer
{
- $$ = new ArrayCreation ((Expression) $2, (string) $3, (ArrayList) $4, lexer.Location);
+ $$ = new ArrayCreation ((Expression) $2, (string) $3, (ArrayList) $4, (Location) $1);
}
+ | NEW error
+ {
+ Report.Error (1031, (Location) $1, "Type expected");
+ $$ = null;
+ }
| NEW type error
{
- Report.Error (1526, lexer.Location, "new expression requires () or [] after type");
+ Report.Error (1526, (Location) $1, "A new expression requires () or [] after type");
+ $$ = null;
}
;
}
;
+opt_rank_specifier_or_nullable
+ : /* empty */
+ {
+ $$ = "";
+ }
+ | INTERR
+ {
+ $$ = "?";
+ }
+ | opt_nullable rank_specifiers
+ {
+ if ((bool) $1)
+ $$ = "?" + $2;
+ else
+ $$ = $2;
+ }
+ | opt_nullable rank_specifiers INTERR
+ {
+ if ((bool) $1)
+ $$ = "?" + $2 + "?";
+ else
+ $$ = $2 + "?";
+ }
+ ;
+
rank_specifiers
: rank_specifier opt_rank_specifier
{
}
;
+void_pointer_expression
+ : void_pointer_expression STAR
+ {
+ $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ }
+ | VOID STAR
+ {
+ $$ = new ComposedCast (TypeManager.system_void_expr, "*", lexer.Location);;
+ }
+ ;
+
typeof_expression
: TYPEOF OPEN_PARENS VOID CLOSE_PARENS
{
- $$ = new TypeOfVoid (lexer.Location);
+ $$ = new TypeOfVoid ((Location) $1);
}
- | TYPEOF OPEN_PARENS type CLOSE_PARENS
+ | TYPEOF OPEN_PARENS void_pointer_expression CLOSE_PARENS
{
- $$ = new TypeOf ((Expression) $3, lexer.Location);
+ $$ = new TypeOf ((Expression) $3, (Location) $1);
+ }
+ | TYPEOF OPEN_PARENS
+ {
+ lexer.TypeOfParsing = true;
+ }
+ type CLOSE_PARENS
+ {
+ lexer.TypeOfParsing = false;
+ $$ = new TypeOf ((Expression) $4, lexer.Location);
}
;
sizeof_expression
: SIZEOF OPEN_PARENS type CLOSE_PARENS {
- $$ = new SizeOf ((Expression) $3, lexer.Location);
+ $$ = new SizeOf ((Expression) $3, (Location) $1);
}
;
checked_expression
: CHECKED OPEN_PARENS expression CLOSE_PARENS
{
- $$ = new CheckedExpr ((Expression) $3, lexer.Location);
+ $$ = new CheckedExpr ((Expression) $3, (Location) $1);
}
;
unchecked_expression
: UNCHECKED OPEN_PARENS expression CLOSE_PARENS
{
- $$ = new UnCheckedExpr ((Expression) $3, lexer.Location);
+ $$ = new UnCheckedExpr ((Expression) $3, (Location) $1);
}
;
: primary_expression OP_PTR IDENTIFIER
{
Expression deref;
+ LocatedToken lt = (LocatedToken) $3;
- deref = new Unary (Unary.Operator.Indirection, (Expression) $1, lexer.Location);
- $$ = new MemberAccess (deref, (string) $3, lexer.Location);
+ deref = new Unary (Unary.Operator.Indirection, (Expression) $1, lt.Location);
+ $$ = new MemberAccess (deref, lt.Value, lt.Location);
}
;
anonymous_method_expression
- : DELEGATE opt_anonymous_method_signature {
+ : DELEGATE opt_anonymous_method_signature
+ {
oob_stack.Push (current_local_parameters);
current_local_parameters = (Parameters)$2;
- create_toplevel_block = true;
- } block {
- if (true){
- Report.Error (-213, lexer.Location, "Anonymous methods are not supported in this branch");
+
+ // Force the next block to be created as a ToplevelBlock
+ oob_stack.Push (current_block);
+ oob_stack.Push (top_current_block);
+ current_block = null;
+ }
+ block
+ {
+ Location loc = (Location) $1;
+ top_current_block = (Block) oob_stack.Pop ();
+ current_block = (Block) oob_stack.Pop ();
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotStandardized (loc, "anonymous methods");
$$ = null;
- } else {
- 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);
+ } else {
+ ToplevelBlock anon_block = (ToplevelBlock) $4;
+
+ anon_block.Parent = current_block;
+ $$ = new AnonymousMethod ((Parameters) $2, (ToplevelBlock) top_current_block,
+ anon_block, loc);
+ }
current_local_parameters = (Parameters) oob_stack.Pop ();
}
- }
;
opt_anonymous_method_signature
- : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ : /* empty */ { $$ = null; }
| anonymous_method_signature
;
ArrayList par_list = (ArrayList) $2;
Parameter [] pars = new Parameter [par_list.Count];
par_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
+ $$ = new Parameters (pars, null);
}
}
;
anonymous_method_parameter
: opt_parameter_modifier type IDENTIFIER {
- $$ = new Parameter ((Expression) $2, (string) $2, (Parameter.Modifier) $1, null);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new Parameter ((Expression) $2, lt.Value, (Parameter.Modifier) $1, null, lt.Location);
+ }
+ | PARAMS type IDENTIFIER {
+ Report.Error (1670, ((LocatedToken) $3).Location, "The `params' modifier is not allowed in anonymous method declaration");
+ $$ = null;
}
;
: primary_expression
| BANG prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.LogicalNot, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.LogicalNot, (Expression) $2, (Location) $1);
}
| TILDE prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.OnesComplement, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.OnesComplement, (Expression) $2, (Location) $1);
}
| cast_expression
;
cast_list
: parenthesized_expression_0 CLOSE_PARENS_CAST unary_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new Cast ((Expression) $1, (Expression) $3);
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS cast_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new Cast ((Expression) $1, (Expression) $3);
}
;
: 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);
}
;
: unary_expression
| PLUS prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.UnaryPlus, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.UnaryPlus, (Expression) $2, (Location) $1);
}
| MINUS prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.UnaryNegation, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.UnaryNegation, (Expression) $2, (Location) $1);
}
| OP_INC prefixed_unary_expression
{
$$ = new UnaryMutator (UnaryMutator.Mode.PreIncrement,
- (Expression) $2, lexer.Location);
+ (Expression) $2, (Location) $1);
}
| OP_DEC prefixed_unary_expression
{
$$ = new UnaryMutator (UnaryMutator.Mode.PreDecrement,
- (Expression) $2, lexer.Location);
+ (Expression) $2, (Location) $1);
}
| STAR prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.Indirection, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.Indirection, (Expression) $2, (Location) $1);
}
| BITWISE_AND prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.AddressOf, (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.AddressOf, (Expression) $2, (Location) $1);
}
;
: OP_INC prefixed_unary_expression
{
$$ = new UnaryMutator (UnaryMutator.Mode.PreIncrement,
- (Expression) $2, lexer.Location);
+ (Expression) $2, (Location) $1);
}
;
: OP_DEC prefixed_unary_expression
{
$$ = new UnaryMutator (UnaryMutator.Mode.PreDecrement,
- (Expression) $2, lexer.Location);
+ (Expression) $2, (Location) $1);
}
;
| multiplicative_expression STAR prefixed_unary_expression
{
$$ = new Binary (Binary.Operator.Multiply,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| multiplicative_expression DIV prefixed_unary_expression
{
$$ = new Binary (Binary.Operator.Division,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| multiplicative_expression PERCENT prefixed_unary_expression
{
$$ = new Binary (Binary.Operator.Modulus,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| additive_expression PLUS multiplicative_expression
{
$$ = new Binary (Binary.Operator.Addition,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| additive_expression MINUS multiplicative_expression
{
$$ = new Binary (Binary.Operator.Subtraction,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| shift_expression OP_SHIFT_LEFT additive_expression
{
$$ = new Binary (Binary.Operator.LeftShift,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| shift_expression OP_SHIFT_RIGHT additive_expression
{
$$ = new Binary (Binary.Operator.RightShift,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
+opt_error
+ : /* empty */
+ {
+ $$ = false;
+ }
+ | error
+ {
+ lexer.PutbackNullable ();
+ $$ = true;
+ }
+ ;
+
+nullable_type_or_conditional
+ : type opt_error
+ {
+ if (((bool) $2) && ($1 is ComposedCast))
+ $$ = ((ComposedCast) $1).RemoveNullable ();
+ else
+ $$ = $1;
+ }
+ ;
+
relational_expression
: shift_expression
| relational_expression OP_LT shift_expression
{
$$ = new Binary (Binary.Operator.LessThan,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| relational_expression OP_GT shift_expression
{
$$ = new Binary (Binary.Operator.GreaterThan,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| relational_expression OP_LE shift_expression
{
$$ = new Binary (Binary.Operator.LessThanOrEqual,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| relational_expression OP_GE shift_expression
{
$$ = new Binary (Binary.Operator.GreaterThanOrEqual,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
- | relational_expression IS type
+ | relational_expression IS
{
- $$ = new Is ((Expression) $1, (Expression) $3, lexer.Location);
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
+ {
+ $$ = new Is ((Expression) $1, (Expression) $4, (Location) $2);
}
- | relational_expression AS type
+ | relational_expression AS
+ {
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
{
- $$ = new As ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new As ((Expression) $1, (Expression) $4, (Location) $2);
}
;
| equality_expression OP_EQ relational_expression
{
$$ = new Binary (Binary.Operator.Equality,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
| equality_expression OP_NE relational_expression
{
$$ = new Binary (Binary.Operator.Inequality,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| and_expression BITWISE_AND equality_expression
{
$$ = new Binary (Binary.Operator.BitwiseAnd,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| exclusive_or_expression CARRET and_expression
{
$$ = new Binary (Binary.Operator.ExclusiveOr,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| inclusive_or_expression BITWISE_OR exclusive_or_expression
{
$$ = new Binary (Binary.Operator.BitwiseOr,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| conditional_and_expression OP_AND inclusive_or_expression
{
$$ = new Binary (Binary.Operator.LogicalAnd,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
| conditional_or_expression OP_OR conditional_and_expression
{
$$ = new Binary (Binary.Operator.LogicalOr,
- (Expression) $1, (Expression) $3, lexer.Location);
+ (Expression) $1, (Expression) $3);
}
;
: conditional_or_expression
| conditional_or_expression INTERR expression COLON expression
{
- $$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5, lexer.Location);
+ $$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5);
+ }
+ | conditional_or_expression INTERR INTERR expression
+ {
+ $$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $4, lexer.Location);
+ }
+ // We'll be resolved into a `parenthesized_expression_0' later on.
+ | conditional_or_expression INTERR CLOSE_PARENS
+ {
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
+ lexer.PutbackCloseParens ();
}
;
assignment_expression
: prefixed_unary_expression ASSIGN expression
{
- $$ = new Assign ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new Assign ((Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_MULT_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.Multiply, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.Multiply, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_DIV_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.Division, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.Division, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_MOD_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.Modulus, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.Modulus, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_ADD_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.Addition, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.Addition, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_SUB_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.Subtraction, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.Subtraction, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_SHIFT_LEFT_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.LeftShift, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.LeftShift, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_SHIFT_RIGHT_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.RightShift, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.RightShift, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_AND_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.BitwiseAnd, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.BitwiseAnd, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_OR_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.BitwiseOr, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.BitwiseOr, (Expression) $1, (Expression) $3);
}
| prefixed_unary_expression OP_XOR_ASSIGN expression
{
- Location l = lexer.Location;
-
$$ = new CompoundAssign (
- Binary.Operator.ExclusiveOr, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.ExclusiveOr, (Expression) $1, (Expression) $3);
}
;
class_declaration
: opt_attributes
opt_modifiers
- CLASS member_name
+ opt_partial
+ CLASS
{
- Class new_class;
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
+ {
+ MemberName name = MakeName ((MemberName) $6);
+ int mod_flags = (int) $2;
- MemberName name = MakeName ((MemberName) $4);
+ if ($3 != null) {
+ ClassPart part = PartialContainer.CreatePart (
+ current_namespace, current_class, name, mod_flags,
+ (Attributes) $1, Kind.Class, (Location) $3);
- new_class = new Class (current_namespace, current_container, name, (int) $2,
- (Attributes) $1, lexer.Location);
- current_container = new_class;
- RootContext.Tree.RecordDecl (name.GetName (true), new_class);
+ 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);
+ }
- lexer.ConstraintsParsing = true;
+ current_container.AddClassOrStruct (current_class);
+ current_container = current_class;
+ RootContext.Tree.RecordDecl (current_namespace.NS, name, current_class);
+ }
}
opt_class_base
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
- }
- class_body
- opt_semicolon
- {
- Class new_class = (Class) current_container;
- 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 ($8 != null) {
+ if (current_class.Name == "System.Object") {
+ Report.Error (537, current_class.Location,
+ "The class System.Object cannot have a base " +
+ "class or implement an interface.");
}
-
- new_class.Bases = (ArrayList) $6;
+ current_class.Bases = (ArrayList) $8;
}
- current_container = current_container.Parent;
- CheckDef (current_container.AddClass (new_class), new_class.Name, new_class.Location);
- $$ = new_class;
+ current_class.SetParameterInfo ((ArrayList) $9);
+
+ if (RootContext.Documentation != null) {
+ current_class.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ }
+ class_body
+ {
+ if (RootContext.Documentation != null)
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ opt_semicolon
+ {
+ $$ = pop_current_class ();
}
;
+opt_partial
+ : /* empty */
+ { $$ = null; }
+ | PARTIAL
+ { $$ = $1; } // location
+ ;
+
opt_modifiers
: /* empty */ { $$ = (int) 0; }
| modifiers
if ((m1 & m2) != 0) {
Location l = lexer.Location;
- Report.Error (1004, l, "Duplicate modifier: `" + Modifiers.Name (m2) + "'");
+ Report.Error (1004, l, "Duplicate `{0}' modifier", Modifiers.Name (m2));
}
$$ = (int) (m1 | m2);
}
type_parameter_constraints_clause
: WHERE IDENTIFIER COLON type_parameter_constraints {
- $$ = new Constraints ((string) $2, (ArrayList) $4, lexer.Location);
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = new Constraints (lt.Value, (ArrayList) $4, lt.Location);
}
;
block
: OPEN_BRACE
{
- if (current_block == null || create_toplevel_block){
- current_block = new ToplevelBlock (current_local_parameters, lexer.Location);
+ 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, current_local_parameters,
- lexer.Location, Location.Null);
+ current_block = new Block (current_block, (Location) $1, Location.Null);
}
}
opt_statement_list CLOSE_BRACE
while (current_block.Implicit)
current_block = current_block.Parent;
$$ = current_block;
- current_block.SetEndLocation (lexer.Location);
+ current_block.SetEndLocation ((Location) $4);
current_block = current_block.Parent;
+ if (current_block == null)
+ top_current_block = null;
}
;
: valid_declaration_statement
| declaration_statement
{
- Report.Error (1023, lexer.Location, "An embedded statement may not be a declaration.");
+ Report.Error (1023, GetLocation ($1), "An embedded statement may not be a declaration or labeled statement");
$$ = null;
}
| labeled_statement
{
- Report.Error (1023, lexer.Location, "An embedded statement may not be a labeled statement.");
+ Report.Error (1023, GetLocation ($1), "An embedded statement may not be a declaration or labeled statement");
$$ = null;
}
;
labeled_statement
: IDENTIFIER COLON
{
- LabeledStatement labeled = new LabeledStatement ((string) $1, lexer.Location);
+ LocatedToken lt = (LocatedToken) $1;
+ LabeledStatement labeled = new LabeledStatement (lt.Value, lt.Location);
- if (current_block.AddLabel ((string) $1, labeled, lexer.Location))
+ if (current_block.AddLabel (lt.Value, labeled, lt.Location))
current_block.AddStatement (labeled);
}
statement
{
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
+ Expression e = (Expression) de.Key;
- $$ = declare_local_variables ((Expression) de.Key, (ArrayList) de.Value, lexer.Location);
+ $$ = declare_local_variables (e, (ArrayList) de.Value, e.Location);
}
}
* > The expressions are converted into types during semantic analysis.
*/
local_variable_type
- : primary_expression opt_rank_specifier
+ : primary_expression opt_rank_specifier_or_nullable
{
// FIXME: Do something smart here regarding the composition of the type.
// Blah i;
Expression expr = (Expression) $1;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType)) {
- Error_ExpectingTypeName (lexer.Location, expr);
+ if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType || expr is QualifiedAliasMember)) {
+ Error_ExpectingTypeName (expr);
$$ = null;
} else {
//
if ((string) $2 == "")
$$ = $1;
else
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, (string) $2);
}
}
- | builtin_types opt_rank_specifier
+ | builtin_types opt_rank_specifier_or_nullable
{
if ((string) $2 == "")
$$ = $1;
else
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, (string) $2);
}
;
: primary_expression STAR
{
Expression expr = (Expression) $1;
- Location l = lexer.Location;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType)) {
- Error_ExpectingTypeName (l, expr);
+ if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType || expr is QualifiedAliasMember)) {
+ Error_ExpectingTypeName (expr);
$$ = null;
} else
- $$ = new ComposedCast ((Expression) $1, "*", l);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
| builtin_types STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);;
+ $$ = new ComposedCast ((Expression) $1, "*");
}
| VOID STAR
{
- $$ = new ComposedCast (TypeManager.system_void_expr, "*", lexer.Location);;
+ $$ = new ComposedCast (TypeManager.system_void_expr, "*", (Location) $1);
}
| local_variable_pointer_type STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
;
else
$$ = null;
}
- | local_variable_pointer_type opt_rank_specifier variable_declarators
- {
+ | local_variable_pointer_type opt_rank_specifier_or_nullable variable_declarators
+ {
if ($1 != null){
Expression t;
if ((string) $2 == "")
t = (Expression) $1;
else
- t = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ t = new ComposedCast ((Expression) $1, (string) $2);
$$ = new DictionaryEntry (t, $3);
} else
$$ = null;
- }
+ }
;
local_constant_declaration
// because statement_expression is used for example in for_statement
//
statement_expression
- : invocation_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | object_creation_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | assignment_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | post_increment_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | post_decrement_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | pre_increment_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | pre_decrement_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
+ : invocation_expression { $$ = 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 {
- Report.Error (1002, lexer.Location, "Expecting `;'");
+ Report.Error (1002, GetLocation ($1), "Expecting `;'");
$$ = null;
}
;
;
if_statement
- : if_statement_open if_statement_rest
- {
- $$ = $2;
- }
- ;
-
-if_statement_open
- : IF OPEN_PARENS
- {
- oob_stack.Push (lexer.Location);
- }
- ;
-
-if_statement_rest
- : boolean_expression CLOSE_PARENS
+ : IF OPEN_PARENS boolean_expression CLOSE_PARENS
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $1;
- $$ = new If ((Expression) $1, (Statement) $3, l);
+ $$ = new If ((Expression) $3, (Statement) $5, l);
if (RootContext.WarningLevel >= 3){
- if ($3 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
+ // FIXME: location for warning should be loc property of $5.
+ if ($5 == EmptyStatement.Value)
+ Report.Warning (642, l, "Possible mistaken empty statement");
}
}
- | boolean_expression CLOSE_PARENS
+ | IF OPEN_PARENS boolean_expression CLOSE_PARENS
embedded_statement ELSE embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $1;
+
+ $$ = new If ((Expression) $3, (Statement) $5, (Statement) $7, l);
- $$ = new If ((Expression) $1, (Statement) $3, (Statement) $5, l);
+ if (RootContext.WarningLevel >= 3){
+ // FIXME: location for warning should be loc property of $5 and $7.
+ if ($5 == EmptyStatement.Value)
+ Report.Warning (642, l, "Possible mistaken empty statement");
+ if ($7 == EmptyStatement.Value)
+ Report.Warning (642, l, "Possible mistaken empty statement");
+ }
}
;
switch_statement
- : SWITCH OPEN_PARENS
+ : SWITCH OPEN_PARENS
{
- oob_stack.Push (lexer.Location);
switch_stack.Push (current_block);
}
expression CLOSE_PARENS
switch_block
{
- $$ = new Switch ((Expression) $4, (ArrayList) $6, (Location) oob_stack.Pop ());
+ $$ = new Switch ((Expression) $4, (ArrayList) $6, (Location) $1);
current_block = (Block) switch_stack.Pop ();
}
;
;
switch_label
- : CASE constant_expression COLON { $$ = new SwitchLabel ((Expression) $2, lexer.Location); }
- | DEFAULT COLON { $$ = new SwitchLabel (null, lexer.Location); }
+ : CASE constant_expression COLON { $$ = new SwitchLabel ((Expression) $2, (Location) $1); }
+ | DEFAULT COLON { $$ = new SwitchLabel (null, (Location) $2); }
| error {
Report.Error (
- 1523, lexer.Location,
+ 1523, GetLocation ($1),
"The keyword case or default must precede code in switch block");
}
;
;
while_statement
- : WHILE OPEN_PARENS
- {
- oob_stack.Push (lexer.Location);
- }
- boolean_expression CLOSE_PARENS embedded_statement
- {
- Location l = (Location) oob_stack.Pop ();
- $$ = new While ((Expression) $4, (Statement) $6, l);
-
- if (RootContext.WarningLevel >= 3){
- if ($6 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
- }
- }
+ : WHILE OPEN_PARENS boolean_expression CLOSE_PARENS embedded_statement
+ {
+ Location l = (Location) $1;
+ $$ = new While ((Expression) $3, (Statement) $5, l);
+ }
;
do_statement
: DO embedded_statement
- WHILE OPEN_PARENS {
- oob_stack.Push (lexer.Location);
- }
- boolean_expression CLOSE_PARENS SEMICOLON
+ WHILE OPEN_PARENS boolean_expression CLOSE_PARENS SEMICOLON
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $1;
- $$ = new Do ((Statement) $2, (Expression) $6, l);
+ $$ = new Do ((Statement) $2, (Expression) $5, l);
}
;
LocalInfo vi;
- vi = current_block.AddVariable (
- type, decl.identifier, current_local_parameters, decl.Location);
+ vi = current_block.AddVariable (type, decl.identifier, decl.Location);
if (vi == null)
continue;
if (expr != null) {
Assign a = new Assign (var, expr, decl.Location);
- assign_block.AddStatement (new StatementExpression (a, lexer.Location));
+ assign_block.AddStatement (new StatementExpression (a));
}
}
- $3 = null;
- }
- oob_stack.Push (lexer.Location);
+ // Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.
+ // This can be referred to as $5 below.
+ $$ = null;
+ } else {
+ $$ = $3;
+ }
}
opt_for_condition SEMICOLON
opt_for_iterator CLOSE_PARENS
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
-
- For f = new For ((Statement) $3, (Expression) $6, (Statement) $8, (Statement) $10, l);
+ Location l = (Location) $1;
- if (RootContext.WarningLevel >= 3){
- if ($10 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possibly mistaken empty statement");
- }
+ For f = new For ((Statement) $5, (Expression) $6, (Statement) $8, (Statement) $10, l);
current_block.AddStatement (f);
while (current_block.Implicit)
;
foreach_statement
- : FOREACH OPEN_PARENS type IDENTIFIER IN
+ : FOREACH OPEN_PARENS type IN expression CLOSE_PARENS
{
- oob_stack.Push (lexer.Location);
+ Report.Error (230, (Location) $1, "Type and identifier are both required in a foreach statement");
+ $$ = null;
}
+ | FOREACH OPEN_PARENS type IDENTIFIER IN
expression CLOSE_PARENS
{
- oob_stack.Push (current_block);
-
Block foreach_block = new Block (current_block);
- LocalVariableReference v = null;
- Location l = lexer.Location;
+ current_block = foreach_block;
+
+ LocatedToken lt = (LocatedToken) $4;
+ Location l = lt.Location;
LocalInfo vi;
- vi = foreach_block.AddVariable ((Expression) $3, (string) $4, current_local_parameters, l);
+ vi = foreach_block.AddVariable ((Expression) $3, lt.Value, l);
if (vi != null) {
- vi.ReadOnly = true;
+ vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Foreach);
// Get a writable reference to this read-only variable.
- v = new LocalVariableReference (foreach_block, (string) $4, l, vi, false);
+ //
+ // Note that the $$ here refers to the value of _this_ code block,
+ // not the value of the LHS non-terminal. This can be referred to as $8 below.
+ $$ = new LocalVariableReference (foreach_block, lt.Value, l, vi, false);
+ } else {
+ $$ = null;
}
- current_block = foreach_block;
-
- oob_stack.Push (v);
- oob_stack.Push (current_block);
}
embedded_statement
{
- Block foreach_block = (Block) oob_stack.Pop ();
- LocalVariableReference v = (LocalVariableReference) oob_stack.Pop ();
- Block prev_block = (Block) oob_stack.Pop ();
- Location l = (Location) oob_stack.Pop ();
-
- current_block = prev_block;
+ LocalVariableReference v = (LocalVariableReference) $8;
+ Location l = (Location) $1;
if (v != null) {
- Foreach f = new Foreach ((Expression) $3, v, (Expression) $7, (Statement) $10, l);
- foreach_block.AddStatement (f);
+ Foreach f = new Foreach ((Expression) $3, v, (Expression) $6, (Statement) $9, l);
+ current_block.AddStatement (f);
}
- $$ = foreach_block;
+ while (current_block.Implicit)
+ current_block = current_block.Parent;
+ $$ = current_block;
+ current_block = current_block.Parent;
}
;
break_statement
: BREAK SEMICOLON
{
- $$ = new Break (lexer.Location);
+ $$ = new Break ((Location) $1);
}
;
continue_statement
: CONTINUE SEMICOLON
{
- $$ = new Continue (lexer.Location);
+ $$ = new Continue ((Location) $1);
}
;
goto_statement
: GOTO IDENTIFIER SEMICOLON
{
- $$ = new Goto (current_block, (string) $2, lexer.Location);
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = new Goto (lt.Value, lt.Location);
}
| GOTO CASE constant_expression SEMICOLON
{
- $$ = new GotoCase ((Expression) $3, lexer.Location);
+ $$ = new GotoCase ((Expression) $3, (Location) $1);
}
| GOTO DEFAULT SEMICOLON
{
- $$ = new GotoDefault (lexer.Location);
+ $$ = new GotoDefault ((Location) $1);
}
;
return_statement
: RETURN opt_expression SEMICOLON
{
- $$ = new Return ((Expression) $2, lexer.Location);
+ $$ = new Return ((Expression) $2, (Location) $1);
}
;
throw_statement
: THROW opt_expression SEMICOLON
{
- $$ = new Throw ((Expression) $2, lexer.Location);
+ $$ = new Throw ((Expression) $2, (Location) $1);
}
;
yield_statement
: IDENTIFIER RETURN expression SEMICOLON
{
- string s = (string) $1;
+ LocatedToken lt = (LocatedToken) $1;
+ string s = lt.Value;
if (s != "yield"){
- Report.Error (1003, lexer.Location, "; expected");
+ Report.Error (1003, lt.Location, "; expected");
$$ = null;
}
- if (!RootContext.V2){
- Report.Error (-222, lexer.Location, "yield statement only available in C# 2.0 mode");
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotStandardized (lt.Location, "yield statement");
$$ = null;
}
if (iterator_container == null){
- Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
+ Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
iterator_container.SetYields ();
- $$ = new Yield ((Expression) $3, lexer.Location);
+ $$ = new Yield ((Expression) $3, lt.Location);
}
}
+ | IDENTIFIER RETURN SEMICOLON
+ {
+ Report.Error (1627, (Location) $2, "Expression expected after yield return");
+ $$ = null;
+ }
| IDENTIFIER BREAK SEMICOLON
{
- string s = (string) $1;
+ LocatedToken lt = (LocatedToken) $1;
+ string s = lt.Value;
if (s != "yield"){
- Report.Error (1003, lexer.Location, "; expected");
+ Report.Error (1003, lt.Location, "; expected");
$$ = null;
}
- if (!RootContext.V2){
- Report.Error (-222, lexer.Location, "yield statement only available in C# 2.0 mode");
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotStandardized (lt.Location, "yield statement");
$$ = null;
}
if (iterator_container == null){
- Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
+ Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
iterator_container.SetYields ();
- $$ = new YieldBreak (lexer.Location);
+ $$ = new YieldBreak (lt.Location);
}
}
;
try_statement
: TRY block catch_clauses
- {
+ {
Catch g = null;
- ArrayList s = new ArrayList (4);
- foreach (Catch cc in (ArrayList) $3) {
- if (cc.IsGeneral)
+ ArrayList c = (ArrayList)$3;
+ for (int i = 0; i < c.Count; ++i) {
+ Catch cc = (Catch) c [i];
+ if (cc.IsGeneral) {
+ if (i != c.Count - 1)
+ Report.Error (1017, cc.loc, "Try statement already has an empty catch block");
g = cc;
- else
- s.Add (cc);
+ c.RemoveAt (i);
+ i--;
+ }
}
// Now s contains the list of specific catch clauses
// and g contains the general one.
- $$ = new Try ((Block) $2, s, g, null, lexer.Location);
- }
+ $$ = new Try ((Block) $2, c, g, null, ((Block) $2).loc);
+ }
| TRY block opt_catch_clauses FINALLY block
{
Catch g = null;
}
}
- $$ = new Try ((Block) $2, s, g, (Block) $5, lexer.Location);
+ $$ = new Try ((Block) $2, s, g, (Block) $5, ((Block) $2).loc);
}
| TRY block error
{
- Report.Error (1524, lexer.Location, "Expected catch or finally");
+ Report.Error (1524, (Location) $1, "Expected catch or finally");
+ $$ = null;
}
;
catch_clause
: CATCH opt_catch_args
- {
+ {
Expression type = null;
- string id = null;
if ($2 != null) {
DictionaryEntry cc = (DictionaryEntry) $2;
type = (Expression) cc.Key;
- id = (string) cc.Value;
+ LocatedToken lt = (LocatedToken) cc.Value;
- if (id != null){
+ if (lt != null){
ArrayList one = new ArrayList (4);
- Location loc = lexer.Location;
- one.Add (new VariableDeclaration (id, null, loc));
+ one.Add (new VariableDeclaration (lt, null));
- $1 = current_block;
current_block = new Block (current_block);
- Block b = declare_local_variables (type, one, loc);
+ Block b = declare_local_variables (type, one, lt.Location);
current_block = b;
}
}
- } block {
+ } block {
Expression type = null;
string id = null;
if ($2 != null){
DictionaryEntry cc = (DictionaryEntry) $2;
type = (Expression) cc.Key;
- id = (string) cc.Value;
+ LocatedToken lt = (LocatedToken) cc.Value;
- if ($1 != null){
- //
- // FIXME: I can change this for an assignment.
- //
- while (current_block != (Block) $1)
+ if (lt != null){
+ id = lt.Value;
+ while (current_block.Implicit)
current_block = current_block.Parent;
+ current_block = current_block.Parent;
}
}
-
- $$ = new Catch (type, id , (Block) $4, lexer.Location);
- }
+ $$ = new Catch (type, id, (Block) $4, ((Block) $4).loc);
+ }
;
opt_catch_args
catch_args
: OPEN_PARENS type opt_identifier CLOSE_PARENS
- {
+ {
$$ = new DictionaryEntry ($2, $3);
- }
+ }
;
+
checked_statement
: CHECKED block
{
unsafe_statement
: UNSAFE
- {
- if (!RootContext.Unsafe){
- Report.Error (227, lexer.Location,
- "Unsafe code can only be used if --unsafe is used");
- }
- } block {
+ {
+ RootContext.CheckUnsafeOption ((Location) $1);
+ } block {
$$ = new Unsafe ((Block) $3);
- }
+ }
;
fixed_statement
: FIXED OPEN_PARENS
type fixed_pointer_declarators
- CLOSE_PARENS
+ CLOSE_PARENS
{
- Block assign_block = new Block (current_block, Block.Flags.Implicit);
ArrayList list = (ArrayList) $4;
Expression type = (Expression) $3;
- Location l = lexer.Location;
+ Location l = (Location) $1;
int top = list.Count;
+ Block assign_block = new Block (current_block);
+ current_block = assign_block;
+
for (int i = 0; i < top; i++){
Pair p = (Pair) list [i];
LocalInfo v;
- v = current_block.AddVariable (type, (string) p.First,current_local_parameters, l);
+ v = current_block.AddVariable (type, (string) p.First, l);
if (v == null)
continue;
- v.ReadOnly = true;
+
+ v.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
+ v.Pinned = true;
p.First = v;
list [i] = p;
}
- current_block.AddStatement (assign_block);
- current_block = assign_block;
- oob_stack.Push (assign_block);
- oob_stack.Push (l);
}
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
- oob_stack.Pop ();
+ Location l = (Location) $1;
- $$ = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
+ Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
+
+ current_block.AddStatement (f);
+ while (current_block.Implicit)
+ current_block = current_block.Parent;
+ $$ = current_block;
+ current_block = current_block.Parent;
}
;
fixed_pointer_declarators
: fixed_pointer_declarator {
- ArrayList declarators = new ArrayList (4);
- declarators.Add ($1);
+ ArrayList declarators = new ArrayList (4);
+ if ($1 != null)
+ declarators.Add ($1);
$$ = declarators;
}
| fixed_pointer_declarators COMMA fixed_pointer_declarator
{
ArrayList declarators = (ArrayList) $1;
- declarators.Add ($3);
+ if ($3 != null)
+ declarators.Add ($3);
$$ = declarators;
}
;
fixed_pointer_declarator
: IDENTIFIER ASSIGN expression
- {
- $$ = new Pair ($1, $3);
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ // FIXME: keep location
+ $$ = new Pair (lt.Value, $3);
+ }
+ | IDENTIFIER
+ {
+ Report.Error (210, ((LocatedToken) $1).Location, "You must provide an initializer in a fixed or using statement declaration");
+ $$ = null;
}
;
}
embedded_statement
{
- $$ = new Lock ((Expression) $3, (Statement) $6, lexer.Location);
+ $$ = new Lock ((Expression) $3, (Statement) $6, (Location) $1);
}
;
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;
- oob_stack.Push (lexer.Location);
-
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
- Location l = lexer.Location;
+ Location l = (Location) $1;
Expression type = (Expression) de.Key;
ArrayList var_declarators = (ArrayList) de.Value;
foreach (VariableDeclaration decl in var_declarators){
- LocalInfo vi = current_block.AddVariable (
- type, decl.identifier,
- current_local_parameters, decl.Location);
+ LocalInfo vi = current_block.AddVariable (type, decl.identifier, decl.Location);
if (vi == null)
continue;
- vi.ReadOnly = true;
+ 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);
}
vars.Add (new DictionaryEntry (var, expr));
// Assign a = new Assign (var, expr, decl.Location);
- // assign_block.AddStatement (new StatementExpression (a, lexer.Location));
+ // assign_block.AddStatement (new StatementExpression (a));
}
- $3 = new DictionaryEntry (type, vars);
+
+ // Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.
+ // It can be referred to as $5 below.
+ $$ = new DictionaryEntry (type, vars);
+ } else {
+ $$ = $3;
}
}
embedded_statement
{
- Using u = new Using ($3, (Statement) $6, (Location) oob_stack.Pop ());
+ Using u = new Using ($5, (Statement) $6, (Location) $1);
current_block.AddStatement (u);
while (current_block.Implicit)
current_block = current_block.Parent;
public object expression_or_array_initializer;
public Location Location;
public Attributes OptAttributes;
+ public string DocComment;
- public VariableDeclaration (string id, object eoai, Location l, Attributes opt_attrs)
+ public VariableDeclaration (LocatedToken lt, object eoai, Attributes opt_attrs)
{
- this.identifier = id;
+ this.identifier = lt.Value;
this.expression_or_array_initializer = eoai;
- this.Location = l;
+ this.Location = lt.Location;
this.OptAttributes = opt_attrs;
}
- public VariableDeclaration (string id, object eoai, Location l) : this (id, eoai, l, null)
+ public VariableDeclaration (LocatedToken lt, object eoai) : this (lt, eoai, null)
{
}
}
public readonly Accessor Get, Set;
public InterfaceAccessorInfo (bool has_get, bool has_set,
- Attributes get_attrs, Attributes set_attrs)
+ Attributes get_attrs, Attributes set_attrs, int get_mod, int set_mod, Location get_loc, Location set_loc)
{
if (has_get)
- Get = new Accessor (null, get_attrs);
+ Get = new Accessor (null, get_mod, get_attrs, get_loc);
if (has_set)
- Set = new Accessor (null, set_attrs);
+ Set = new Accessor (null, set_mod, set_attrs, set_loc);
}
+
}
public Expression type;
public MemberName interface_type;
public Parameters param_list;
+ public Location location;
public IndexerDeclaration (Expression type, MemberName interface_type,
- Parameters param_list)
+ Parameters param_list, Location loc)
{
this.type = type;
this.interface_type = interface_type;
this.param_list = param_list;
+ this.location = loc;
}
}
}
-void Error_ExpectingTypeName (Location l, Expression expr)
+void Error_ExpectingTypeName (Expression expr)
{
if (expr is Invocation){
- Report.Error (1002, l, "; expected");
+ Report.Error (1002, expr.Location, "Expecting `;'");
} else {
- Report.Error (-1, l, "Invalid Type definition");
+ Report.Error (-1, expr.Location, "Invalid Type definition");
}
}
+TypeContainer pop_current_class ()
+{
+ TypeContainer 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;
+
+ return retval;
+}
+
// <summary>
// Given the @class_name name, it creates a fully qualified name
// based on the containing declaration space
MemberName
MakeName (MemberName class_name)
{
- string ns = current_namespace.FullName;
+ Namespace ns = current_namespace.NS;
if (current_container.Name == ""){
- if (ns != "")
- return new MemberName (new MemberName (ns), class_name);
+ if (ns.Name != "")
+ return new MemberName (ns.MemberName, class_name);
else
return class_name;
} else {
}
}
-// <summary>
-// Used to report back to the user the result of a declaration
-// in the current declaration space
-// </summary>
-void
-CheckDef (DeclSpace.AdditionResult result, string name, Location l)
-{
- if (result == DeclSpace.AdditionResult.Success)
- return;
-
- switch (result){
- case DeclSpace.AdditionResult.NameExists:
- Report.Error (102, l, "The container `" + current_container.Name +
- "' already contains a definition for `"+
- name + "'");
- break;
-
-
- //
- // This is handled only for static Constructors, because
- // in reality we handle these by the semantic analysis later
- //
- 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 DeclSpace.AdditionResult.EnclosingClash:
- Report.Error (542, l, "Member names cannot be the same as their enclosing type");
- break;
-
- case DeclSpace.AdditionResult.NotAConstructor:
- Report.Error (1520, l, "Class, struct, or interface method must have a return type");
- break;
-
- case DeclSpace.AdditionResult.Error:
- // Error has already been reported.
- break;
- }
-}
-
-void
-CheckDef (bool result, string name, Location l)
-{
- if (result)
- return;
- CheckDef (DeclSpace.AdditionResult.NameExists, name, l);
-}
-
Block declare_local_variables (Expression type, ArrayList variable_declarators, Location loc)
{
Block implicit_block;
foreach (VariableDeclaration decl in variable_declarators){
- if (implicit_block.AddVariable (type, decl.identifier, current_local_parameters, decl.Location) != null) {
+ if (implicit_block.AddVariable (type, decl.identifier, decl.Location) != null) {
if (decl.expression_or_array_initializer != null){
if (inits == null)
inits = new ArrayList (4);
assign = new Assign (var, expr, decl.Location);
- implicit_block.AddStatement (new StatementExpression (assign, lexer.Location));
+ implicit_block.AddStatement (new StatementExpression (assign));
}
return implicit_block;
implicit_block = current_block;
foreach (VariableDeclaration decl in declarators){
- implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer,
- current_local_parameters, decl.Location);
+ implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer, decl.Location);
}
return implicit_block;
}
-void CheckAttributeTarget (string a)
+void CheckAttributeTarget (string a, Location l)
{
switch (a) {
return;
default :
- Location l = lexer.Location;
Report.Error (658, l, "`" + a + "' is an invalid attribute target");
break;
}
}
-void CheckUnaryOperator (Operator.OpType op)
+void CheckUnaryOperator (Operator.OpType op, Location l)
{
switch (op) {
break;
default :
- Location l = lexer.Location;
Report.Error (1019, l, "Overloadable unary operator expected");
break;
}
}
-void CheckBinaryOperator (Operator.OpType op)
+void CheckBinaryOperator (Operator.OpType op, Location l)
{
switch (op) {
break;
default :
- Location l = lexer.Location;
Report.Error (1020, l, "Overloadable binary operator expected");
break;
}
Report.Error (1003, l, "Syntax error, " + msg);
}
-void output (string s)
-{
- Console.WriteLine (s);
-}
-
void note (string s)
{
// Used to put annotations
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 ();
public void parse ()
{
try {
- if (yacc_verbose_flag)
+ if (yacc_verbose_flag > 1)
yyparse (lexer, new yydebug.yyDebugSimple ());
else
yyparse (lexer);
Tokenizer tokenizer = lexer as Tokenizer;
- tokenizer.cleanup ();
+ tokenizer.cleanup ();
} catch (Exception e){
- // Please do not remove this, it is used during debugging
- // of the grammar
//
- Console.WriteLine (e);
+ // Removed for production use, use parser verbose to get the output.
+ //
+ // Console.WriteLine (e);
Report.Error (-25, lexer.Location, "Parsing error");
- if (Driver.parser_verbose)
+ if (yacc_verbose_flag > 0)
Console.WriteLine (e);
}
+
+ RootContext.Tree.Types.NamespaceEntry = null;
}
-void CheckToken (int error, int yyToken, string msg)
+void CheckToken (int error, int yyToken, string msg, Location loc)
{
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 ()));
+ Report.Error (error, loc, String.Format ("{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ()));
return;
}
- Report.Error (error, lexer.Location, msg);
+ Report.Error (error, loc, msg);
+}
+
+void CheckIdentifierToken (int yyToken, Location loc)
+{
+ CheckToken (1041, yyToken, "Identifier expected", loc);
+}
+
+string ConsumeStoredComment ()
+{
+ string s = tmpComment;
+ tmpComment = null;
+ Lexer.doc_state = XmlCommentState.Allowed;
+ return s;
}
-void CheckIdentifierToken (int yyToken)
+Location GetLocation (object obj)
{
- CheckToken (1041, yyToken, "Identifier expected");
+ if (obj is MemberCore)
+ return ((MemberCore) obj).Location;
+ if (obj is MemberName)
+ return ((MemberName) obj).Location;
+ if (obj is LocatedToken)
+ return ((LocatedToken) obj).Location;
+ if (obj is Location)
+ return (Location) obj;
+ return lexer.Location;
}
/* end end end */