//
// Authors: Miguel de Icaza (miguel@gnu.org)
// Ravi Pratap (ravi@ximian.com)
+// Marek Safar (marek.safar@gmail.com)
//
// Licensed under the terms of the GNU GPL
//
public class CSharpParser {
NamespaceEntry current_namespace;
TypeContainer current_container;
- TypeContainer current_class;
+ DeclSpace current_class;
- IIteratorContainer iterator_container;
+ IAnonymousHost anonymous_host;
/// <summary>
/// Current block is used to add statements as we find
/// them.
/// </summary>
- Block current_block, top_current_block;
+ Block current_block;
+
+ Delegate current_delegate;
+
+ GenericMethod current_generic_method;
+ AnonymousMethodExpression current_anonymous_method;
/// <summary>
/// This is used by the unary_expression code to resolve
Expression implicit_value_parameter_type;
Parameters indexer_parameters;
+ /// <summary>
+ /// Hack to help create non-typed array initializer
+ /// </summary>
+ public static Expression current_array_type;
+ Expression pushed_current_array_type;
+
/// <summary>
/// Used to determine if we are parsing the get/set pair
/// of an indexer or a property
/// </summmary>
- bool parsing_indexer;
+ bool parsing_indexer;
+
+ bool parsing_anonymous_method;
///
/// An out-of-band stack.
///
- Stack oob_stack;
+ static Stack oob_stack;
///
/// Switch stack.
/// 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;
+ bool parameter_modifiers_not_allowed;
+ bool params_modifiers_not_allowed;
+ bool arglist_allowed;
%}
%token VIRTUAL
%token VOID
%token VOLATILE
+%token WHERE
%token WHILE
%token ARGLIST
%token PARTIAL
+%token ARROW
+%token QUERY_FIRST_TOKEN
+%token FROM
+%token JOIN
+%token ON
+%token EQUALS
+%token SELECT
+%token GROUP
+%token BY
+%token LET
+%token ORDERBY
+%token ASCENDING
+%token DESCENDING
+%token INTO
+%token QUERY_LAST_TOKEN
/* C# keywords which are not really keywords */
%token GET "get"
%token BANG "!"
%token ASSIGN "="
%token OP_LT "<"
+%token OP_GENERICS_LT "<"
%token OP_GT ">"
+%token OP_GENERICS_GT ">"
%token BITWISE_AND "&"
%token BITWISE_OR "|"
%token STAR "*"
%token INTERR "?"
/* C# multi-character operators. */
+%token DOUBLE_COLON "::"
%token OP_INC "++"
%token OP_DEC "--"
%token OP_SHIFT_LEFT "<<"
%token OP_XOR_ASSIGN "^="
%token OP_OR_ASSIGN "|="
%token OP_PTR "->"
+%token OP_COALESCING "??"
/* Numbers */
%token LITERAL_INTEGER "int literal"
%token LITERAL_STRING "string literal"
%token IDENTIFIER
+%token OPEN_PARENS_LAMBDA
%token CLOSE_PARENS_CAST
%token CLOSE_PARENS_NO_CAST
%token CLOSE_PARENS_OPEN_PARENS
%token CLOSE_PARENS_MINUS
+%token DEFAULT_OPEN_PARENS
+%token GENERIC_DIMENSION
+%token DEFAULT_COLON
/* 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
;
outer_declaration
- : using_directive
+ : extern_alias_directive
+ | using_directive
| namespace_member_declaration
;
-
+
+extern_alias_directives
+ : extern_alias_directive
+ | extern_alias_directives extern_alias_directive;
+
+extern_alias_directive
+ : EXTERN IDENTIFIER IDENTIFIER SEMICOLON
+ {
+ LocatedToken lt = (LocatedToken) $2;
+ string s = lt.Value;
+ if (s != "alias"){
+ Report.Error (1003, lt.Location, "'alias' expected");
+ } else if (RootContext.Version == LanguageVersion.ISO_1) {
+ Report.FeatureIsNotAvailable (lt.Location, "external alias");
+ } else {
+ lt = (LocatedToken) $3;
+ current_namespace.UsingExternalAlias (lt.Value, lt.Location);
+ }
+ }
+ ;
+
using_directives
: using_directive
| using_directives using_directive
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 ((MemberName) $2, lexer.Location);
+ current_namespace.Using ((MemberName) $2, (Location) $1);
}
;
//
namespace_declaration
: opt_attributes NAMESPACE namespace_or_type_name
- {
+ {
+ MemberName name = (MemberName) $3;
+
if ($1 != null) {
- Report.Error(1671, Lexer.Location, "A namespace declaration cannot have modifiers or attributes");
+ Report.Error(1671, name.Location, "A namespace declaration cannot have modifiers or attributes");
}
- MemberName name = (MemberName) $3;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "namespace name expected");
current_namespace = new NamespaceEntry (
- current_namespace, file, name.GetName (), lexer.Location);
+ current_namespace, file, name.GetName ());
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer;
}
namespace_body opt_semicolon
{
current_namespace = current_namespace.Parent;
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer;
}
;
;
namespace_name
- : namespace_or_type_name
+ : namespace_or_type_name {
+ MemberName name = (MemberName) $1;
+
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "namespace name expected");
+
+ $$ = name;
+ }
;
namespace_body
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
+ namespace_body_body
+ ;
+
+namespace_body_body
+ : opt_extern_alias_directives
opt_using_directives
opt_namespace_member_declarations
CLOSE_BRACE
+ | error
+ {
+ Report.Error (1518, lexer.Location, "Expected `class', `delegate', `enum', `interface', or `struct'");
+ }
+ CLOSE_BRACE
+ | opt_extern_alias_directives
+ opt_using_directives
+ opt_namespace_member_declarations
+ EOF
{
+ Report.Error (1513, lexer.Location, "} expected");
}
;
| using_directives
;
+opt_extern_alias_directives
+ : /* empty */
+ | extern_alias_directives
+ ;
+
opt_namespace_member_declarations
: /* empty */
| namespace_member_declarations
DeclSpace ds = (DeclSpace)$1;
if ((ds.ModFlags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
- Report.Error (1527, lexer.Location,
+ Report.Error (1527, ds.Location,
"Namespace elements cannot be explicitly declared as private, protected or protected internal");
}
}
}
| 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");
// }
;
global_attributes
: attribute_sections
{
- if ($1 != null)
- CodeGen.Assembly.AddAttributes (((Attributes)$1).Attrs);
+ if ($1 != null) {
+ Attributes attrs = (Attributes)$1;
+ if (global_attrs_enabled) {
+ CodeGen.Assembly.AddAttributes (attrs.Attrs);
+ } else {
+ foreach (Attribute a in attrs.Attrs) {
+ Report.Error (1730, a.Location, "Assembly and module attributes must precede all other elements except using clauses and extern alias declarations");
+ }
+ }
+ }
$$ = $1;
}
attribute_sections
: attribute_section
{
- ArrayList sect = (ArrayList) $1;
+ if (current_attr_target != String.Empty) {
+ ArrayList sect = (ArrayList) $1;
- if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target == "assembly") {
- CodeGen.Assembly.AddAttributes (sect);
- $$ = null;
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target != null && current_attr_target.Length > 0) {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = null;
+ } else {
+ $$ = new Attributes (sect);
+ }
+ if ($$ == null) {
+ if (RootContext.Documentation != null) {
+ Lexer.check_incorrect_doc_comment ();
+ Lexer.doc_state =
+ XmlCommentState.Allowed;
+ }
+ }
} else {
$$ = new Attributes (sect);
- }
- if ($$ == null) {
- if (RootContext.Documentation != null) {
- Lexer.check_incorrect_doc_comment ();
- Lexer.doc_state =
- XmlCommentState.Allowed;
- }
- }
- } else {
- $$ = new Attributes (sect);
- }
+ }
+ }
+ else
+ $$ = null;
current_attr_target = null;
}
| attribute_sections attribute_section
{
- Attributes attrs = $1 as Attributes;
- ArrayList sect = (ArrayList) $2;
-
- if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target == "assembly") {
- CodeGen.Assembly.AddAttributes (sect);
- $$ = null;
+ if (current_attr_target != String.Empty) {
+ Attributes attrs = $1 as Attributes;
+ ArrayList sect = (ArrayList) $2;
+
+ if (global_attrs_enabled) {
+ if (current_attr_target == "module") {
+ CodeGen.Module.AddAttributes (sect);
+ $$ = null;
+ } else if (current_attr_target == "assembly") {
+ CodeGen.Assembly.AddAttributes (sect);
+ $$ = null;
+ } else {
+ if (attrs == null)
+ attrs = new Attributes (sect);
+ else
+ attrs.AddAttributes (sect);
+ }
} else {
if (attrs == null)
attrs = new Attributes (sect);
else
- attrs.AddAttributes (sect);
- }
- } else {
- if (attrs == null)
- attrs = new Attributes (sect);
- else
- attrs.AddAttributes (sect);
- }
- $$ = attrs;
+ attrs.AddAttributes (sect);
+ }
+ $$ = attrs;
+ }
+ else
+ $$ = null;
current_attr_target = null;
}
;
attribute_target
: IDENTIFIER
{
- CheckAttributeTarget ((string) $1);
- $$ = $1;
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = CheckAttributeTarget (lt.Value, lt.Location);
+ }
+ | EVENT { $$ = "event"; }
+ | RETURN { $$ = "return"; }
+ | error
+ {
+ string name = yyNames [yyToken].ToLower ();
+ $$ = CheckAttributeTarget (name, GetLocation ($1));
}
- | EVENT { $$ = "event"; }
- | RETURN { $$ = "return"; }
;
attribute_list
;
attribute
- : attribute_name
- {
- $$ = lexer.Location;
- }
- opt_attribute_arguments
+ : attribute_name opt_attribute_arguments
{
- Location loc = (Location) $2;
MemberName mname = (MemberName) $1;
+ if (mname.IsGeneric) {
+ Report.Error (404, lexer.Location,
+ "'<' unexpected: attributes cannot be generic");
+ }
+
+ object [] arguments = (object []) $2;
MemberName left = mname.Left;
string identifier = mname.Name;
- Expression left_expr = left == null ? null : left.GetTypeExpression (loc);
+ Expression left_expr = left == null ? null : left.GetTypeExpression ();
- if (current_attr_target == "assembly" || current_attr_target == "module")
- $$ = new GlobalAttribute (current_class, current_attr_target,
- left_expr, identifier, (ArrayList) $3, loc);
+ if (current_attr_target == String.Empty)
+ $$ = null;
+ else if (global_attrs_enabled && (current_attr_target == "assembly" || current_attr_target == "module"))
+ // FIXME: supply "nameEscaped" parameter here.
+ $$ = new GlobalAttribute (current_namespace, current_attr_target,
+ left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
else
- $$ = new Attribute (current_attr_target, left_expr, identifier, (ArrayList) $3, loc);
+ $$ = new Attribute (current_attr_target, left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
}
;
if ($1 == null)
$$ = null;
else {
- ArrayList args = new ArrayList (4);
- args.Add ($1);
-
- $$ = args;
+ $$ = new object [] { $1, null };
}
}
- | positional_argument_list COMMA named_argument_list
+ | positional_argument_list COMMA named_argument_list
{
- ArrayList args = new ArrayList (4);
- args.Add ($1);
- args.Add ($3);
-
- $$ = args;
+ $$ = new object[] { $1, $3 };
}
- | named_argument_list
+ | named_argument_list
{
- ArrayList args = new ArrayList (4);
- args.Add (null);
- args.Add ($1);
-
- $$ = args;
+ $$ = new object [] { null, $1 };
}
- ;
+ ;
opt_positional_argument_list
}
| named_argument_list COMMA expression
{
- Report.Error (1016, lexer.Location, "Named attribute argument expected");
+ Report.Error (1016, ((Expression) $3).Location, "Named attribute argument expected");
$$ = null;
}
;
named_argument
: IDENTIFIER ASSIGN expression
{
+ // FIXME: keep location
$$ = new DictionaryEntry (
- (string) $1,
+ ((LocatedToken) $1).Value,
new Argument ((Expression) $3, Argument.AType.Expression));
}
;
: opt_attributes
opt_modifiers
opt_partial
- STRUCT member_name
+ STRUCT
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ type_name
{
- MemberName name = MakeName ((MemberName) $5);
- bool partial = (bool) $3;
-
- if (partial) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, Kind.Struct, lexer.Location);
-
- current_container = part.PartialContainer;
- current_class = part;
- } else {
- current_class = new Struct (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, lexer.Location);
-
- current_container.AddClassOrStruct (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (name, current_class);
- }
+ MemberName name = MakeName ((MemberName) $6);
+ push_current_class (new Struct (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
opt_class_base
+ opt_type_parameter_constraints_clauses
{
- if ($7 != null)
- current_class.Bases = (ArrayList) $7;
+ lexer.ConstraintsParsing = false;
+
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null)
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
}
struct_body
{
$$ = pop_current_class ();
}
| opt_attributes opt_modifiers opt_partial STRUCT error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($5));
}
;
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);
+ Report.Error (504, l, "The constant `{0}' cannot be marked static", current_container.GetSignatureForError () + '.' + (string) constant.identifier);
continue;
}
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, lexer.Location, "A const field requires a value to be provided");
+ Report.Error (145, ((LocatedToken) $1).Location, "A const field requires a value to be provided");
$$ = null;
}
;
Expression type = (Expression) $3;
int mod = (int) $2;
+ current_array_type = null;
+
foreach (VariableDeclaration var in (ArrayList) $4){
Field field = new Field (current_class, type, mod, var.identifier,
- var.expression_or_array_initializer,
(Attributes) $1, var.Location);
+ field.Initializer = var.expression_or_array_initializer;
+
if (RootContext.Documentation != null) {
field.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddField (field);
+ $$ = field; // FIXME: might be better if it points to the top item
}
}
| opt_attributes
Expression type = (Expression) $4;
int mod = (int) $2;
+ current_array_type = null;
+
foreach (VariableDeclaration var in (ArrayList) $5) {
FixedField field = new FixedField (current_class, type, mod, var.identifier,
(Expression)var.expression_or_array_initializer, (Attributes) $1, var.Location);
Lexer.doc_state = XmlCommentState.Allowed;
}
current_container.AddField (field);
+ $$ = field; // FIXME: might be better if it points to the top item
}
}
+ | opt_attributes
+ opt_modifiers
+ FIXED
+ type
+ error
+ {
+ Report.Error (1641, GetLocation ($4), "A fixed size buffer field must have the array size specifier after the field name");
+ }
| opt_attributes
opt_modifiers
VOID
variable_declarators
SEMICOLON {
- Report.Error (670, lexer.Location, "void type is not allowed for fields");
+ current_array_type = null;
+ Report.Error (670, (Location) $3, "Fields cannot have void type");
}
;
fixed_variable_declarators
: fixed_variable_declarator
- {
- ArrayList decl = new ArrayList (2);
- decl.Add ($1);
- $$ = decl;
- }
+ {
+ ArrayList decl = new ArrayList (2);
+ decl.Add ($1);
+ $$ = decl;
+ }
| fixed_variable_declarators COMMA fixed_variable_declarator
- {
- ArrayList decls = (ArrayList) $1;
- decls.Add ($3);
- $$ = $1;
- }
+ {
+ ArrayList decls = (ArrayList) $1;
+ decls.Add ($3);
+ $$ = $1;
+ }
;
fixed_variable_declarator
: IDENTIFIER OPEN_BRACKET expression CLOSE_BRACKET
- {
- $$ = new VariableDeclaration ((string) $1, $3, lexer.Location);
- }
+ {
+ $$ = new VariableDeclaration ((LocatedToken) $1, $3);
+ }
+ | IDENTIFIER OPEN_BRACKET CLOSE_BRACKET
+ {
+ Report.Error (443, lexer.Location, "Value or constant expected");
+ $$ = new VariableDeclaration ((LocatedToken) $1, null);
+ }
;
variable_declarators
: 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);
+ $$ = new VariableDeclaration ((LocatedToken) $1, null);
}
| IDENTIFIER OPEN_BRACKET opt_expression CLOSE_BRACKET
{
- Report.Error (650, lexer.Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
- "To declare a fixed buffer field, use the fixed keyword before the field type");
+ Report.Error (650, ((LocatedToken) $1).Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
+ "To declare a fixed size buffer field, use the fixed keyword before the field type");
+ $$ = null;
}
;
}
| STACKALLOC type OPEN_BRACKET expression CLOSE_BRACKET
{
- $$ = new StackAlloc ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new StackAlloc ((Expression) $2, (Expression) $4, (Location) $1);
+ }
+ | ARGLIST
+ {
+ $$ = new ArglistAccess ((Location) $1);
}
| STACKALLOC type
{
- Report.Error (1575, lexer.Location, "A stackalloc expression requires [] after type");
+ Report.Error (1575, (Location) $1, "A stackalloc expression requires [] after type");
$$ = null;
}
;
method_declaration
: method_header {
- iterator_container = (IIteratorContainer) $1;
+ anonymous_host = (IAnonymousHost) $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 = (ToplevelBlock) $3;
current_container.AddMethod (method);
+ anonymous_host = null;
+ current_generic_method = null;
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;
}
;
+ //
+ // This rule is used to handle the cases where OPEN_PARENS_LAMBDA
+ // is returned (type followed by an identifier), these are the
+ // declarations (methods, overloads, constructors, etc) and a handful
+ // of expressions ("using", "fixed") or "catch".
+ //
+open_parens
+ : OPEN_PARENS
+ | OPEN_PARENS_LAMBDA
+ ;
+
method_header
: opt_attributes
opt_modifiers
- type namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ type member_name
+ open_parens
+ {
+ arglist_allowed = true;
+ }
+ opt_formal_parameter_list CLOSE_PARENS
{
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ arglist_allowed = false;
MemberName name = (MemberName) $4;
+ current_local_parameters = (Parameters) $7;
+
+ if ($10 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Constraints are not allowed on non-generic declarations");
- Method method = new Method (current_class, (Expression) $3, (int) $2,
- false, name, (Parameters) $6, (Attributes) $1,
- lexer.Location);
+ Method method;
- current_local_parameters = (Parameters) $6;
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_class, name,
+ (Expression) $3, current_local_parameters);
+
+ generic.SetParameterInfo ((ArrayList) $10);
+ }
+
+ method = new Method (current_class, generic, (Expression) $3, (int) $2, false,
+ name, current_local_parameters, (Attributes) $1);
+
+ anonymous_host = method;
+ current_generic_method = generic;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
}
| opt_attributes
opt_modifiers
- VOID namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ VOID member_name
+ open_parens
{
+ arglist_allowed = true;
+ }
+ opt_formal_parameter_list CLOSE_PARENS
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ arglist_allowed = false;
+
MemberName name = (MemberName) $4;
+ current_local_parameters = (Parameters) $7;
+
+ if ($10 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Constraints are not allowed on non-generic declarations");
+
+ Method method;
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_class, name,
+ TypeManager.system_void_expr, current_local_parameters);
+
+ generic.SetParameterInfo ((ArrayList) $10);
+ }
+
+ method = new Method (current_class, generic, TypeManager.system_void_expr,
+ (int) $2, false, name, current_local_parameters, (Attributes) $1);
+
+ anonymous_host = method;
+ current_generic_method = generic;
+
+ if (RootContext.Documentation != null)
+ method.DocComment = Lexer.consume_doc_comment ();
+
+ $$ = method;
+ }
+ | opt_attributes
+ opt_modifiers
+ PARTIAL
+ VOID member_name
+ open_parens opt_formal_parameter_list CLOSE_PARENS
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $5;
+ current_local_parameters = (Parameters) $7;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Constraints are not allowed on non-generic declarations");
+
+ Method method;
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_class, name,
+ TypeManager.system_void_expr, current_local_parameters);
+
+ generic.SetParameterInfo ((ArrayList) $10);
+ }
- Method method = new Method (current_class, TypeManager.system_void_expr,
- (int) $2, false, name, (Parameters) $6,
- (Attributes) $1, lexer.Location);
+ int modifiers = (int) $2;
- current_local_parameters = (Parameters) $6;
+
+ const int invalid_partial_mod = Modifiers.Accessibility | Modifiers.ABSTRACT | Modifiers.EXTERN |
+ Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.SEALED | Modifiers.VIRTUAL;
+
+ if ((modifiers & invalid_partial_mod) != 0) {
+ Report.Error (750, name.Location, "A partial method cannot define access modifier or " +
+ "any of abstract, extern, new, override, sealed, or virtual modifiers");
+ modifiers &= ~invalid_partial_mod;
+ }
+
+ if ((current_class.ModFlags & Modifiers.PARTIAL) == 0) {
+ Report.Error (751, name.Location, "A partial method must be declared within a " +
+ "partial class or partial struct");
+ }
+
+ modifiers |= Modifiers.PARTIAL | Modifiers.PRIVATE;
+
+ method = new Method (current_class, generic, TypeManager.system_void_expr,
+ modifiers, false, name, current_local_parameters, (Attributes) $1);
+
+ anonymous_host = method;
+ current_generic_method = generic;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
| opt_attributes
opt_modifiers
type
- modifiers namespace_or_type_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ modifiers member_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_class, TypeManager.system_void_expr,
- 0, false, name, (Parameters) $7, (Attributes) $1,
- lexer.Location);
+ Method method = new Method (current_class, null, TypeManager.system_void_expr,
+ 0, false, name, (Parameters) $7, (Attributes) $1);
current_local_parameters = (Parameters) $7;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
- $$ = method;
+ $$ = null;
}
;
: /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
| formal_parameter_list
;
+
+opt_parameter_list_no_mod
+ : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ |
+ {
+ parameter_modifiers_not_allowed = true;
+ }
+ formal_parameter_list
+ {
+ parameter_modifiers_not_allowed = false;
+ $$ = $2;
+ }
+ ;
formal_parameter_list
: fixed_parameters
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
+ $$ = new Parameters (pars);
}
| fixed_parameters COMMA parameter_array
{
ArrayList pars_list = (ArrayList) $1;
+ pars_list.Add ($3);
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, (Parameter) $3, lexer.Location);
+ $$ = new Parameters (pars);
}
- | fixed_parameters COMMA ARGLIST
+ | fixed_parameters COMMA arglist_modifier
{
ArrayList pars_list = (ArrayList) $1;
+ //pars_list.Add (new ArglistParameter (GetLocation ($3)));
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, true, lexer.Location);
+ $$ = new Parameters (pars, true);
+ }
+ | parameter_array COMMA error
+ {
+ if ($1 != null)
+ Report.Error (231, ((Parameter) $1).Location, "A params parameter must be the last parameter in a formal parameter list");
+ $$ = null;
+ }
+ | fixed_parameters COMMA parameter_array COMMA error
+ {
+ if ($3 != null)
+ Report.Error (231, ((Parameter) $3).Location, "A params parameter must be the last parameter in a formal parameter list");
+ $$ = null;
}
- | parameter_array COMMA fixed_parameters
+ | arglist_modifier COMMA error
{
- Report.Error (231, lexer.Location, "A params parameter must be the last parameter in a formal parameter list");
+ Report.Error (257, (Location) $1, "An __arglist parameter must be the last parameter in a formal parameter list");
$$ = null;
}
- | ARGLIST COMMA fixed_parameters
+ | fixed_parameters COMMA ARGLIST COMMA error
{
- Report.Error (257, lexer.Location, "An __arglist parameter must be the last parameter in a formal parameter list");
+ Report.Error (257, (Location) $3, "An __arglist parameter must be the last parameter in a formal parameter list");
$$ = null;
}
| parameter_array
{
- $$ = new Parameters (null, (Parameter) $1, lexer.Location);
+ $$ = new Parameters (new Parameter[] { (Parameter) $1 } );
}
- | ARGLIST
+ | arglist_modifier
{
- $$ = new Parameters (null, true, lexer.Location);
+ $$ = new Parameters (new Parameter[0], true);
}
;
| fixed_parameters COMMA fixed_parameter
{
ArrayList pars = (ArrayList) $1;
-
- pars.Add ($3);
+ Parameter p = (Parameter)$3;
+ if (p != null) {
+ if ((p.modFlags & Parameter.Modifier.This) != 0)
+ Report.Error (1100, p.Location, "The parameter modifier `this' can only be used on the first parameter");
+ pars.Add (p);
+ }
$$ = $1;
}
;
type
IDENTIFIER
{
- $$ = 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, lexer.Location, "Identifier expected");
+ Report.Error (1001, GetLocation ($3), "Identifier expected");
$$ = null;
}
| opt_attributes
opt_parameter_modifier
type
error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
}
| opt_attributes
ASSIGN
constant_expression
{
- Report.Error (241, lexer.Location, "Default parameter specifiers are not permitted");
+ LocatedToken lt = (LocatedToken) $4;
+ Report.Error (241, lt.Location, "Default parameter specifiers are not permitted");
$$ = null;
}
;
opt_parameter_modifier
: /* empty */ { $$ = Parameter.Modifier.NONE; }
- | parameter_modifier
+ | parameter_modifiers
+ ;
+
+parameter_modifiers
+ : parameter_modifier
+ {
+ $$ = $1;
+ }
+ | parameter_modifiers parameter_modifier
+ {
+ Parameter.Modifier p2 = (Parameter.Modifier)$2;
+ Parameter.Modifier mod = (Parameter.Modifier)$1 | p2;
+ if (((Parameter.Modifier)$1 & p2) == p2) {
+ Error_DuplicateParameterModifier (lexer.Location, p2);
+ } else {
+ switch (mod & ~Parameter.Modifier.This) {
+ case Parameter.Modifier.REF:
+ Report.Error (1101, lexer.Location, "The parameter modifiers `this' and `ref' cannot be used altogether");
+ break;
+ case Parameter.Modifier.OUT:
+ Report.Error (1102, lexer.Location, "The parameter modifiers `this' and `out' cannot be used altogether");
+ break;
+ default:
+ Report.Error (1108, lexer.Location, "A parameter cannot have specified more than one modifier");
+ break;
+ }
+ }
+ $$ = mod;
+ }
;
parameter_modifier
- : REF { $$ = Parameter.Modifier.REF | Parameter.Modifier.ISBYREF; }
- | OUT { $$ = Parameter.Modifier.OUT | Parameter.Modifier.ISBYREF; }
+ : REF
+ {
+ if (parameter_modifiers_not_allowed)
+ Error_ParameterModifierNotValid ("ref", (Location)$1);
+
+ $$ = Parameter.Modifier.REF;
+ }
+ | OUT
+ {
+ if (parameter_modifiers_not_allowed)
+ Error_ParameterModifierNotValid ("out", (Location)$1);
+
+ $$ = Parameter.Modifier.OUT;
+ }
+ | THIS
+ {
+ if (parameter_modifiers_not_allowed)
+ Error_ParameterModifierNotValid ("this", (Location)$1);
+
+ if (RootContext.Version <= LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "extension methods");
+
+ $$ = Parameter.Modifier.This;
+ }
;
parameter_array
- : opt_attributes PARAMS type IDENTIFIER
+ : opt_attributes params_modifier type IDENTIFIER
{
- $$ = new Parameter ((Expression) $3, (string) $4, Parameter.Modifier.PARAMS, (Attributes) $1);
- note ("type must be a single-dimension array type");
+ LocatedToken lt = (LocatedToken) $4;
+ $$ = new ParamsParameter ((Expression) $3, lt.Value, (Attributes) $1, lt.Location);
+ }
+ | opt_attributes params_modifier type error {
+ CheckIdentifierToken (yyToken, GetLocation ($4));
+ $$ = null;
}
- | opt_attributes PARAMS parameter_modifier type IDENTIFIER
+ ;
+
+params_modifier
+ : PARAMS
{
- Report.Error (1611, lexer.Location, "The params parameter cannot be declared as ref or out");
- $$ = null;
+ if (params_modifiers_not_allowed)
+ Report.Error (1670, ((Location) $1), "The `params' modifier is not allowed in current context");
}
- | opt_attributes PARAMS type error {
- CheckIdentifierToken (yyToken);
- $$ = null;
+ | PARAMS parameter_modifier
+ {
+ Parameter.Modifier mod = (Parameter.Modifier)$2;
+ if ((mod & Parameter.Modifier.This) != 0) {
+ Report.Error (1104, (Location)$1, "The parameter modifiers `this' and `params' cannot be used altogether");
+ } else {
+ Report.Error (1611, (Location)$1, "The params parameter cannot be declared as ref or out");
+ }
+ }
+ | PARAMS params_modifier
+ {
+ Error_DuplicateParameterModifier ((Location)$1, Parameter.Modifier.PARAMS);
+ }
+ ;
+
+arglist_modifier
+ : ARGLIST
+ {
+ if (!arglist_allowed)
+ Report.Error (1669, (Location) $1, "__arglist is not valid in this context");
}
;
implicit_value_parameter_type = (Expression) $3;
lexer.PropertyParsing = true;
-
- $$ = lexer.Location;
-
- iterator_container = SimpleIteratorContainer.GetSimple ();
}
accessor_declarations
{
break;
Property prop;
- Pair pair = (Pair) $8;
- Accessor get_block = (Accessor) pair.First;
- Accessor set_block = (Accessor) pair.Second;
+ Accessors accessors = (Accessors) $8;
+ Accessor get_block = accessors.get_or_add;
+ Accessor set_block = accessors.set_or_remove;
- Location loc = (Location) $7;
MemberName name = (MemberName) $4;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "a property can't have type arguments");
+
prop = new Property (current_class, (Expression) $3, (int) $2, false,
- name, (Attributes) $1, get_block, set_block, loc);
- if (SimpleIteratorContainer.Simple.Yields)
- prop.SetYields ();
-
+ name, (Attributes) $1, get_block, set_block, accessors.declared_in_reverse, current_block);
+
current_container.AddProperty (prop);
implicit_value_parameter_type = null;
- iterator_container = null;
if (RootContext.Documentation != null)
prop.DocComment = ConsumeStoredComment ();
accessor_declarations
: get_accessor_declaration
{
- $$ = new Pair ($1, null);
+ $$ = new Accessors ((Accessor) $1, null);
}
| get_accessor_declaration accessor_declarations
{
- Pair pair = (Pair) $2;
- pair.First = $1;
- $$ = pair;
+ Accessors accessors = (Accessors) $2;
+ accessors.get_or_add = (Accessor) $1;
+ $$ = accessors;
}
| set_accessor_declaration
{
- $$ = new Pair (null, $1);
+ $$ = new Accessors (null, (Accessor) $1);
}
| set_accessor_declaration accessor_declarations
{
- Pair pair = (Pair) $2;
- pair.Second = $1;
- $$ = pair;
+ Accessors accessors = (Accessors) $2;
+ accessors.set_or_remove = (Accessor) $1;
+ accessors.declared_in_reverse = true;
+ $$ = accessors;
}
| error
{
- Report.Error (1014, lexer.Location, "A get or set accessor expected");
+ Report.Error (1014, GetLocation ($1), "A get or set accessor expected");
$$ = null;
}
;
else
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
+
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_body
{
if (has_get) {
- Report.Error (1007, lexer.Location, "Property accessor already defined");
+ Report.Error (1007, (Location) $3, "Property accessor already defined");
break;
}
- $$ = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, lexer.Location);
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, (Location) $3);
has_get = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
+
if (RootContext.Documentation != null)
if (Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
+
+ $$ = accessor;
}
;
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);
} else {
Parameter [] fpars = indexer_parameters.FixedParameters;
} else
args = null;
current_local_parameters = new Parameters (
- args, indexer_parameters.ArrayParameter, lexer.Location);
+ args);
}
lexer.PropertyParsing = false;
+
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_body
{
if (has_set) {
- Report.Error (1007, lexer.Location, "Property accessor already defined");
+ Report.Error (1007, ((LocatedToken) $3).Location, "Property accessor already defined");
break;
}
- $$ = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, lexer.Location);
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, (Location) $3);
has_set = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
+
if (RootContext.Documentation != null
&& Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
+
+ $$ = accessor;
}
;
: opt_attributes
opt_modifiers
opt_partial
- INTERFACE member_name
+ INTERFACE
{
- MemberName name = MakeName ((MemberName) $5);
- bool partial = (bool) $3;
-
- if (partial) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, Kind.Interface, lexer.Location);
-
- current_container = part.PartialContainer;
- current_class = part;
- } else {
- current_class = new Interface (
- current_namespace, current_class, name, (int) $2,
- (Attributes) $1, lexer.Location);
-
- current_container.AddInterface (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (name, current_class);
- }
+ lexer.ConstraintsParsing = true;
+ }
+ type_name
+ {
+ MemberName name = MakeName ((MemberName) $6);
+ push_current_class (new Interface (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
opt_class_base
+ opt_type_parameter_constraints_clauses
{
- current_class.Bases = (ArrayList) $7;
+ lexer.ConstraintsParsing = false;
+
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null) {
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
- interface_body
+ interface_body
{
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
$$ = pop_current_class ();
}
| opt_attributes opt_modifiers opt_partial INTERFACE error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($5));
}
;
Method m = (Method) $1;
if (m.IsExplicitImpl)
- Report.Error (541, lexer.Location,
- "Explicit interface declaration can only be declared in a class or struct");
+ Report.Error (541, m.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ m.GetSignatureForError ());
current_container.AddMethod (m);
Property p = (Property) $1;
if (p.IsExplicitImpl)
- Report.Error (541, lexer.Location,
- "Explicit interface declaration can only be declared in a class or struct");
+ 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;
if (e.IsExplicitImpl)
- Report.Error (541, lexer.Location,
- "Explicit interface declaration can only be declared in a class or struct");
+ Report.Error (541, e.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ e.GetSignatureForError ());
current_container.AddEvent (e);
}
Indexer i = (Indexer) $1;
if (i.IsExplicitImpl)
- Report.Error (541, lexer.Location,
- "Explicit interface declaration can only be declared in a class or struct");
+ Report.Error (541, i.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
+ i.GetSignatureForError ());
current_container.AddIndexer (i);
}
| delegate_declaration
{
- Report.Error (524, lexer.Location, "Interfaces can not declare delegates");
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
}
| class_declaration
{
- Report.Error (524, lexer.Location, "Interfaces can not declare classes");
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
}
| struct_declaration
{
- Report.Error (524, lexer.Location, "Interfaces can not declare structures");
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
}
| enum_declaration
{
- Report.Error (524, lexer.Location, "Interfaces can not declare enumerations");
+ if ($1 != null) {
+ Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
+ ((MemberCore)$1).GetSignatureForError ());
+ }
}
| interface_declaration
{
- Report.Error (524, lexer.Location, "Interfaces can not declare interfaces");
+ 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, lexer.Location, "Interfaces cannot contain constants");
+ 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
+ {
+ Report.Error (531, (Location)$1,
+ "`{0}.{1}{2}': interface members cannot have a definition",
+ current_class.GetSignatureForError (),
+ ((MemberName) $-0).GetSignatureForError (),
+ ((Parameters)$-4).GetSignatureForError ());
+
+ lexer.ConstraintsParsing = false;
+ }
+ opt_statement_list CLOSE_BRACE
+ {
+ $$ = null;
+ }
+ | SEMICOLON
+ ;
+
interface_method_declaration
: opt_attributes opt_new type namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- SEMICOLON
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ // Refer to the name as $-1 in interface_method_declaration_body
+ $$ = $4;
+ }
+ interface_method_declaration_body
+ {
+ lexer.ConstraintsParsing = false;
+
MemberName name = (MemberName) $4;
- $$ = new Method (current_class, (Expression) $3, (int) $2, true,
- name, (Parameters) $6, (Attributes) $1, lexer.Location);
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Constraints are not allowed on non-generic declarations");
+
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_class, name,
+ (Expression) $3, (Parameters) $6);
+
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
+
+ $$ = new Method (current_class, generic, (Expression) $3, (int) $2, true, name,
+ (Parameters) $6, (Attributes) $1);
if (RootContext.Documentation != null)
((Method) $$).DocComment = Lexer.consume_doc_comment ();
}
- | opt_attributes opt_new type namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- OPEN_BRACE opt_statement_list CLOSE_BRACE
+ | opt_attributes opt_new VOID namespace_or_type_name
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
- Report.Error (531, lexer.Location, "'{0}': interface members cannot have a definition", $4);
- $$ = null;
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ $$ = $4;
+ }
+ interface_method_declaration_body
+ {
+ lexer.ConstraintsParsing = false;
+
+ MemberName name = (MemberName) $4;
+
+ if ($9 != null && name.TypeArguments == null)
+ Report.Error (80, lexer.Location,
+ "Constraints are not allowed on non-generic declarations");
+
+ GenericMethod generic = null;
+ if (name.TypeArguments != null) {
+ generic = new GenericMethod (current_namespace, current_class, name,
+ TypeManager.system_void_expr, (Parameters) $6);
+
+ generic.SetParameterInfo ((ArrayList) $9);
+ }
+
+ $$ = new Method (current_class, generic, TypeManager.system_void_expr, (int) $2,
+ true, name, (Parameters) $6, (Attributes) $1);
+ if (RootContext.Documentation != null)
+ ((Method) $$).DocComment = Lexer.consume_doc_comment ();
}
;
opt_new
type IDENTIFIER
OPEN_BRACE
- { lexer.PropertyParsing = true; }
- interface_accessors
- { lexer.PropertyParsing = false; }
+ {
+ lexer.PropertyParsing = true;
+ implicit_value_parameter_type = (Expression)$3;
+ }
+ accessor_declarations
+ {
+ has_get = has_set = false;
+ lexer.PropertyParsing = false;
+ implicit_value_parameter_type = null;
+ }
CLOSE_BRACE
{
+ LocatedToken lt = (LocatedToken) $4;
+ MemberName name = new MemberName (lt.Value, lt.Location);
+
if ($3 == TypeManager.system_void_expr) {
- Report.Error (547, lexer.Location, "'{0}': property cannot have void type", $4);
+ Report.Error (547, lt.Location, "`{0}': property or indexer cannot have void type", lt.Value);
break;
}
- if ($7 == null)
+ Property p = null;
+ if ($7 == null) {
+ p = new Property (current_class, (Expression) $3, (int) $2, true,
+ name, (Attributes) $1,
+ null, null, false);
+
+ Report.Error (548, p.Location, "`{0}': property or indexer must have at least one accessor", p.GetSignatureForError ());
+ break;
+ }
+
+ Accessors accessor = (Accessors) $7;
+ p = new Property (current_class, (Expression) $3, (int) $2, true,
+ name, (Attributes) $1,
+ accessor.get_or_add, accessor.set_or_remove, accessor.declared_in_reverse);
+
+ if (accessor.get_or_add != null && accessor.get_or_add.Block != null) {
+ Report.Error (531, p.Location, "`{0}.get': interface members cannot have a definition", p.GetSignatureForError ());
+ $$ = null;
break;
+ }
- InterfaceAccessorInfo pinfo = (InterfaceAccessorInfo) $7;
+ if (accessor.set_or_remove != null && accessor.set_or_remove.Block != null) {
+ Report.Error (531, p.Location, "`{0}.set': interface members cannot have a definition", p.GetSignatureForError ());
+ $$ = null;
+ break;
+ }
- $$ = new Property (current_class, (Expression) $3, (int) $2, true,
- new MemberName ((string) $4), (Attributes) $1,
- pinfo.Get, pinfo.Set, lexer.Location);
if (RootContext.Documentation != null)
- ((Property) $$).DocComment = Lexer.consume_doc_comment ();
+ p.DocComment = Lexer.consume_doc_comment ();
+
+ $$ = p;
}
| opt_attributes
opt_new
type error {
- CheckIdentifierToken (yyToken);
+ CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
}
;
-interface_accessors
- : opt_attributes opt_modifiers GET SEMICOLON
- { $$ = new InterfaceAccessorInfo (true, false, (Attributes) $1, null, (int) $2, 0, lexer.Location, lexer.Location); }
- | opt_attributes opt_modifiers GET OPEN_BRACE
- {
- Report.Error (531, lexer.Location, "'{0}': interface members cannot have a definition", ".get");
- $$ = null;
- }
- | opt_attributes opt_modifiers SET SEMICOLON
- { $$ = new InterfaceAccessorInfo (false, true, null, (Attributes) $1, 0, (int) $2, lexer.Location, lexer.Location); }
- | opt_attributes opt_modifiers GET SEMICOLON opt_attributes opt_modifiers SET SEMICOLON
- { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $1, (Attributes) $5, (int) $2, (int) $6, lexer.Location, lexer.Location); }
- | opt_attributes opt_modifiers SET SEMICOLON opt_attributes opt_modifiers GET SEMICOLON
- { $$ = new InterfaceAccessorInfo (true, true, (Attributes) $5, (Attributes) $1, (int) $6, (int) $2, lexer.Location, lexer.Location); }
- |
- {
- Report.Error (548, lexer.Location, "'{0}' : property or indexer must have at least one accessor", "");
- }
- ;
interface_event_declaration
: opt_attributes opt_new EVENT type IDENTIFIER SEMICOLON
{
+ LocatedToken lt = (LocatedToken) $5;
$$ = new EventField (current_class, (Expression) $4, (int) $2, true,
- new MemberName ((string) $5), null,
- (Attributes) $1, lexer.Location);
+ new MemberName (lt.Value, lt.Location),
+ (Attributes) $1);
if (RootContext.Documentation != null)
((EventField) $$).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
- {
+ {
+ implicit_value_parameter_type = (Expression) $4;
lexer.EventParsing = true;
- }
- event_accessor_declarations
- {
+ }
+ event_accessor_declarations
+ {
lexer.EventParsing = false;
- }
- CLOSE_BRACE {
- Report.Error (69, lexer.Location, "Event in interface cannot have add or remove accessors");
+ implicit_value_parameter_type = null;
+ }
+ CLOSE_BRACE {
+ Report.Error (69, (Location) $3, "Event in interface cannot have add or remove accessors");
$$ = null;
}
;
interface_indexer_declaration
: opt_attributes opt_new type THIS
- OPEN_BRACKET formal_parameter_list CLOSE_BRACKET
- OPEN_BRACE
- { lexer.PropertyParsing = true; }
- interface_accessors
- { lexer.PropertyParsing = false; }
+ OPEN_BRACKET opt_parameter_list_no_mod CLOSE_BRACKET
+ OPEN_BRACE
+ {
+ lexer.PropertyParsing = true;
+ implicit_value_parameter_type = (Expression)$3;
+ }
+ accessor_declarations
+ {
+ has_get = has_set = false;
+ lexer.PropertyParsing = false;
+ implicit_value_parameter_type = null;
+ }
CLOSE_BRACE
{
- if ($10 == null)
- break;
+ Indexer i = null;
+ if ($10 == null) {
+ i = new Indexer (current_class, (Expression) $3,
+ new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
+ (int) $2, true, (Parameters) $6, (Attributes) $1,
+ null, null, false);
- InterfaceAccessorInfo info = (InterfaceAccessorInfo) $10;
+ Report.Error (548, i.Location, "`{0}': property or indexer must have at least one accessor", i.GetSignatureForError ());
+ break;
+ }
- $$ = new Indexer (current_class, (Expression) $3,
- new MemberName (TypeContainer.DefaultIndexerName),
+ Accessors accessors = (Accessors) $10;
+ i = new Indexer (current_class, (Expression) $3,
+ new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
(int) $2, true, (Parameters) $6, (Attributes) $1,
- info.Get, info.Set, lexer.Location);
+ accessors.get_or_add, accessors.set_or_remove, accessors.declared_in_reverse);
+
+ if (accessors.get_or_add != null && accessors.get_or_add.Block != null) {
+ Report.Error (531, i.Location, "`{0}.get': interface members cannot have a definition", i.GetSignatureForError ());
+ $$ = null;
+ break;
+ }
+
+ if (accessors.set_or_remove != null && accessors.set_or_remove.Block != null) {
+ Report.Error (531, i.Location, "`{0}.set': interface members cannot have a definition", i.GetSignatureForError ());
+ $$ = null;
+ break;
+ }
+
if (RootContext.Documentation != null)
- ((Indexer) $$).DocComment = ConsumeStoredComment ();
+ i.DocComment = ConsumeStoredComment ();
+
+ $$ = i;
}
;
operator_declaration
: opt_attributes opt_modifiers operator_declarator
{
- iterator_container = SimpleIteratorContainer.GetSimple ();
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
operator_body
{
break;
OperatorDeclaration decl = (OperatorDeclaration) $3;
-
- Parameter [] param_list = new Parameter [decl.arg2type != null ? 2 : 1];
-
- param_list[0] = new Parameter (decl.arg1type, decl.arg1name, Parameter.Modifier.NONE, null);
- if (decl.arg2type != null)
- param_list[1] = new Parameter (decl.arg2type, decl.arg2name, Parameter.Modifier.NONE, null);
-
Operator op = new Operator (
current_class, decl.optype, decl.ret_type, (int) $2,
- new Parameters (param_list, null, decl.location),
+ current_local_parameters,
(ToplevelBlock) $5, (Attributes) $1, decl.location);
if (RootContext.Documentation != null) {
Lexer.doc_state = XmlCommentState.Allowed;
}
- if (SimpleIteratorContainer.Simple.Yields)
- op.SetYields ();
+ SimpleAnonymousHost.Simple.Propagate (op);
+ anonymous_host = null;
// Note again, checking is done in semantic analysis
current_container.AddOperator (op);
current_local_parameters = null;
- iterator_container = null;
}
;
: block
| SEMICOLON { $$ = null; }
;
-operator_declarator
- : type OPERATOR overloadable_operator
- OPEN_PARENS type IDENTIFIER CLOSE_PARENS
- {
- Operator.OpType op = (Operator.OpType) $3;
- CheckUnaryOperator (op);
-
- if (op == Operator.OpType.Addition)
- op = Operator.OpType.UnaryPlus;
-
- if (op == Operator.OpType.Subtraction)
- op = Operator.OpType.UnaryNegation;
- Parameter [] pars = new Parameter [1];
- Expression type = (Expression) $5;
-
- pars [0] = new Parameter (type, (string) $6, Parameter.Modifier.NONE, null);
-
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+operator_declarator
+ : type OPERATOR overloadable_operator open_parens
+ {
+ params_modifiers_not_allowed = true;
+ }
+ opt_parameter_list_no_mod CLOSE_PARENS
+ {
+ params_modifiers_not_allowed = false;
- if (RootContext.Documentation != null) {
- tmpComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.NotAllowed;
+ Location loc = (Location) $2;
+ Operator.OpType op = (Operator.OpType) $3;
+ current_local_parameters = (Parameters)$6;
+
+ int p_count = current_local_parameters.Count;
+ if (p_count == 1) {
+ if (op == Operator.OpType.Addition)
+ op = Operator.OpType.UnaryPlus;
+ else if (op == Operator.OpType.Subtraction)
+ op = Operator.OpType.UnaryNegation;
}
-
- $$ = new OperatorDeclaration (op, (Expression) $1, type, (string) $6,
- null, null, lexer.Location);
- }
- | type OPERATOR overloadable_operator
- OPEN_PARENS
- type IDENTIFIER COMMA
- type IDENTIFIER
- CLOSE_PARENS
- {
- CheckBinaryOperator ((Operator.OpType) $3);
-
- Parameter [] pars = new Parameter [2];
-
- Expression typeL = (Expression) $5;
- Expression typeR = (Expression) $8;
-
- pars [0] = new Parameter (typeL, (string) $6, Parameter.Modifier.NONE, null);
- pars [1] = new Parameter (typeR, (string) $9, Parameter.Modifier.NONE, null);
-
- current_local_parameters = new Parameters (pars, null, lexer.Location);
-
+
+ if (IsUnaryOperator (op)) {
+ if (p_count == 2) {
+ Report.Error (1020, loc, "Overloadable binary operator expected");
+ } else if (p_count != 1) {
+ Report.Error (1535, loc, "Overloaded unary operator `{0}' takes one parameter",
+ Operator.GetName (op));
+ }
+ } else {
+ if (p_count > 2) {
+ Report.Error (1534, loc, "Overloaded binary operator `{0}' takes two parameters",
+ Operator.GetName (op));
+ } else if (p_count != 2) {
+ Report.Error (1019, loc, "Overloadable unary operator expected");
+ }
+ }
+
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
-
- $$ = new OperatorDeclaration ((Operator.OpType) $3, (Expression) $1,
- typeL, (string) $6,
- typeR, (string) $9, lexer.Location);
- }
- | conversion_operator_declarator
- | type OPERATOR overloadable_operator
- OPEN_PARENS
- type IDENTIFIER COMMA
- type IDENTIFIER COMMA
- type IDENTIFIER
- CLOSE_PARENS
- {
- Report.Error (1534, lexer.Location, "Overloaded binary operator '{0}' takes two parameters", $3);
- $$ = null;
- }
+ $$ = new OperatorDeclaration (op, (Expression) $1, loc);
+ }
+ | conversion_operator_declarator
;
overloadable_operator
;
conversion_operator_declarator
- : IMPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
+ : IMPLICIT OPERATOR type open_parens
{
- Parameter [] pars = new Parameter [1];
-
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ params_modifiers_not_allowed = true;
+ }
+ opt_parameter_list_no_mod CLOSE_PARENS
+ {
+ params_modifiers_not_allowed = false;
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ Location loc = (Location) $2;
+ current_local_parameters = (Parameters)$6;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
- $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, (Expression) $5, (string) $6,
- null, null, lexer.Location);
+ $$ = new OperatorDeclaration (Operator.OpType.Implicit, (Expression) $3, loc);
}
- | EXPLICIT OPERATOR type OPEN_PARENS type IDENTIFIER CLOSE_PARENS
+ | EXPLICIT OPERATOR type open_parens
{
- Parameter [] pars = new Parameter [1];
-
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
-
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ params_modifiers_not_allowed = true;
+ }
+ opt_parameter_list_no_mod CLOSE_PARENS
+ {
+ params_modifiers_not_allowed = false;
+
+ Location loc = (Location) $2;
+ current_local_parameters = (Parameters)$6;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
- $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, (Expression) $5, (string) $6,
- null, null, lexer.Location);
+ $$ = new OperatorDeclaration (Operator.OpType.Explicit, (Expression) $3, loc);
}
| IMPLICIT error
{
- syntax_error (lexer.Location, "'operator' expected");
+ syntax_error ((Location) $1, "'operator' expected");
}
| EXPLICIT error
{
- syntax_error (lexer.Location, "'operator' expected");
+ syntax_error ((Location) $1, "'operator' expected");
}
;
Constructor c = (Constructor) $3;
c.Block = (ToplevelBlock) $4;
c.OptAttributes = (Attributes) $1;
+ int yield_method = c.ModFlags & Modifiers.METHOD_YIELDS;
c.ModFlags = (int) $2;
if (RootContext.Documentation != null)
if (c.Name == current_container.Basename){
if ((c.ModFlags & Modifiers.STATIC) != 0){
if ((c.ModFlags & Modifiers.Accessibility) != 0){
- Report.Error (
- 515, c.Location, String.Format (
- "`{0}.{1}': static constructor can not have access modifiers",
- c.Name, current_container.Name));
+ Report.Error (515, c.Location,
+ "`{0}': access modifiers are not allowed on static constructors",
+ c.GetSignatureForError ());
}
c.ModFlags = Modifiers.Check (Constructor.AllowedModifiers, (int) $2, Modifiers.PRIVATE, c.Location);
if (c.Initializer != null){
- Report.Error (
- 514, c.Location,
- "Static constructors can not have an explicit this or base " +
- "constructor invocations");
- }
-
- if (!c.Parameters.Empty){
- Report.Error (
- 132, c.Location, "Static constructors should not have parameters");
+ Report.Error (514, c.Location,
+ "`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
+ c.GetSignatureForError ());
}
} else {
c.ModFlags = Modifiers.Check (Constructor.AllowedModifiers, (int) $2, Modifiers.PRIVATE, c.Location);
//Console.WriteLine ("{0} and {1}", c.Name, current_container.Basename);
}
+ c.ModFlags |= yield_method;
current_container.AddConstructor (c);
current_local_parameters = null;
;
constructor_declarator
+ : constructor_header
+ {
+ $$ = $1;
+ }
+ | constructor_header constructor_initializer
+ {
+ ((Constructor)$1).Initializer = (ConstructorInitializer) $2;
+ $$ = $1;
+ }
+ ;
+
+constructor_header
: IDENTIFIER
{
if (RootContext.Documentation != null) {
Lexer.doc_state = XmlCommentState.Allowed;
}
}
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS _mark_
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
+ LocatedToken lt = (LocatedToken) $1;
current_local_parameters = (Parameters) $4;
- }
- opt_constructor_initializer
- {
- $$ = new Constructor (current_class, (string) $1, 0, (Parameters) $4,
- (ConstructorInitializer) $8, (Location) $6);
+ current_block = new ToplevelBlock (null, current_local_parameters, null, lt.Location);
+
+ $$ = new Constructor (current_class, lt.Value, 0, current_local_parameters,
+ null, lt.Location);
+
+ anonymous_host = (IAnonymousHost) $$;
}
;
constructor_body
- : block
- | SEMICOLON { $$ = null; }
- ;
-
-opt_constructor_initializer
- : /* empty */ { $$ = null; }
- | constructor_initializer
+ : block_prepared
+ | SEMICOLON { current_block = null; $$ = null; }
;
constructor_initializer
- : COLON BASE OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : COLON BASE open_parens opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorBaseInitializer ((ArrayList) $4, current_local_parameters, lexer.Location);
+ $$ = new ConstructorBaseInitializer ((ArrayList) $4, (Location) $2);
}
- | COLON THIS OPEN_PARENS opt_argument_list CLOSE_PARENS
+ | COLON THIS open_parens opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorThisInitializer ((ArrayList) $4, 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;
}
;
}
IDENTIFIER OPEN_PARENS CLOSE_PARENS block
{
- if ((string) $5 != current_container.Basename){
- Report.Error (574, lexer.Location, "Name of destructor must match name of class");
+ 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, lexer.Location, "Destructors are only allowed in class types");
+ 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_class, TypeManager.system_void_expr, m, "Finalize",
- new Parameters (null, null, l), (Attributes) $1, l);
+ Parameters.EmptyReadOnlyParameters, (Attributes) $1, l);
if (RootContext.Documentation != null)
d.DocComment = ConsumeStoredComment ();
opt_modifiers
EVENT type variable_declarators SEMICOLON
{
+ current_array_type = null;
foreach (VariableDeclaration var in (ArrayList) $5) {
- MemberName name = new MemberName (var.identifier);
+ MemberName name = new MemberName (var.identifier,
+ var.Location);
- Event e = new EventField (
+ EventField e = new EventField (
current_class, (Expression) $4, (int) $2, false, name,
- var.expression_or_array_initializer, (Attributes) $1,
- lexer.Location);
+ (Attributes) $1);
+
+ e.Initializer = var.expression_or_array_initializer;
current_container.AddEvent (e);
| opt_attributes
opt_modifiers
EVENT type namespace_or_type_name
- OPEN_BRACE _mark_
+ OPEN_BRACE
{
implicit_value_parameter_type = (Expression) $4;
lexer.EventParsing = true;
}
CLOSE_BRACE
{
- Location loc = (Location) $7;
+ MemberName name = (MemberName) $5;
- if ($9 == null){
- Report.Error (65, lexer.Location, "Event must have both add and remove accesors");
+ if ($8 == null){
+ Report.Error (65, (Location) $3, "`{0}.{1}': event property must have both add and remove accessors",
+ current_container.Name, name.GetSignatureForError ());
$$ = null;
} else {
- Pair pair = (Pair) $9;
+ Accessors accessors = (Accessors) $8;
- MemberName name = (MemberName) $5;
+ if (name.TypeArguments != null)
+ syntax_error (lexer.Location, "an event can't have type arguments");
- Event e = new EventProperty (
- current_class, (Expression) $4, (int) $2, false, name, null,
- (Attributes) $1, (Accessor) pair.First, (Accessor) pair.Second,
- loc);
- if (RootContext.Documentation != null) {
- e.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
+ if (accessors.get_or_add == null || accessors.set_or_remove == null)
+ // CS0073 is already reported, so no CS0065 here.
+ $$ = null;
+ else {
+ Event e = new EventProperty (
+ current_class, (Expression) $4, (int) $2, false, name,
+ (Attributes) $1, accessors.get_or_add, accessors.set_or_remove);
+ if (RootContext.Documentation != null) {
+ e.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
- current_container.AddEvent (e);
- implicit_value_parameter_type = null;
+ current_container.AddEvent (e);
+ implicit_value_parameter_type = null;
+ }
}
}
- | opt_attributes opt_modifiers EVENT type namespace_or_type_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS block {
+ | opt_attributes opt_modifiers EVENT type namespace_or_type_name error {
MemberName mn = (MemberName) $5;
if (mn.Left != null)
- Report.Error (71, lexer.Location, "Explicit implementation of events requires property syntax");
+ Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");
else
- Report.Error (71, lexer.Location, "Event declaration should use property syntax");
+ 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
- {
- $$ = new Pair ($1, $2);
- }
+ {
+ $$ = new Accessors ((Accessor) $1, (Accessor) $2);
+ }
| remove_accessor_declaration add_accessor_declaration
- {
- $$ = new Pair ($2, $1);
- }
+ {
+ Accessors accessors = new Accessors ((Accessor) $2, (Accessor) $1);
+ accessors.declared_in_reverse = true;
+ $$ = accessors;
+ }
| add_accessor_declaration { $$ = null; }
| remove_accessor_declaration { $$ = null; }
| error
- {
- Report.Error (1055, lexer.Location, "An add or remove accessor expected");
+ {
+ Report.Error (1055, GetLocation ($1), "An add or remove accessor expected");
$$ = null;
- }
+ }
| { $$ = 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);
lexer.EventParsing = false;
+
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
- block
+ block
{
- $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, lexer.Location);
+ Accessor accessor = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
lexer.EventParsing = true;
+
+ current_local_parameters = null;
+ SimpleAnonymousHost.Simple.Propagate (accessor);
+ anonymous_host = null;
+
+ $$ = accessor;
}
| opt_attributes ADD error {
- Report.Error (73, lexer.Location, "Add or remove accessor must have a body");
+ Report.Error (73, (Location) $2, "An add or remove accessor must have a body");
$$ = null;
}
| opt_attributes modifiers ADD {
- Report.Error (1609, lexer.Location, "Modifiers cannot be placed on event accessor declarations");
+ Report.Error (1609, (Location) $3, "Modifiers cannot be placed on event accessor declarations");
$$ = 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);
lexer.EventParsing = false;
}
block
{
- $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, lexer.Location);
+ $$ = 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");
$$ = null;
}
| opt_attributes modifiers REMOVE {
- Report.Error (1609, lexer.Location, "Modifiers cannot be placed on event accessor declarations");
+ Report.Error (1609, (Location) $3, "Modifiers cannot be placed on event accessor declarations");
$$ = null;
}
;
indexer_declaration
: opt_attributes opt_modifiers indexer_declarator
- OPEN_BRACE _mark_
+ OPEN_BRACE
{
IndexerDeclaration decl = (IndexerDeclaration) $3;
parsing_indexer = true;
indexer_parameters = decl.param_list;
+ anonymous_host = SimpleAnonymousHost.GetSimple ();
}
accessor_declarations
{
}
CLOSE_BRACE
{
- if ($7 == null)
+ 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) $5;
Indexer indexer;
IndexerDeclaration decl = (IndexerDeclaration) $3;
- Pair pair = (Pair) $7;
- Accessor get_block = (Accessor) pair.First;
- Accessor set_block = (Accessor) pair.Second;
+ Location loc = decl.location;
+ Accessors accessors = (Accessors) $6;
+ Accessor get_block = accessors.get_or_add;
+ Accessor set_block = accessors.set_or_remove;
MemberName name;
if (decl.interface_type != null)
- name = new MemberName (decl.interface_type,
- TypeContainer.DefaultIndexerName);
+ name = new MemberName (decl.interface_type, TypeContainer.DefaultIndexerName, loc);
else
- name = new MemberName (TypeContainer.DefaultIndexerName);
+ name = new MemberName (TypeContainer.DefaultIndexerName, loc);
indexer = new Indexer (current_class, decl.type, name,
(int) $2, false, decl.param_list, (Attributes) $1,
- get_block, set_block, loc);
+ get_block, set_block, accessors.declared_in_reverse);
+
if (RootContext.Documentation != null)
indexer.DocComment = ConsumeStoredComment ();
;
indexer_declarator
- : type THIS OPEN_BRACKET opt_formal_parameter_list CLOSE_BRACKET
+ : type THIS OPEN_BRACKET opt_parameter_list_no_mod CLOSE_BRACKET
{
Parameters pars = (Parameters) $4;
- if (pars.HasArglist) {
- // "__arglist is not valid in this context"
- Report.Error (1669, lexer.Location, "__arglist is not valid in this context");
- } else if (pars.FixedParameters == null && pars.ArrayParameter == null){
- Report.Error (1551, lexer.Location, "Indexers must have at least one parameter");
+ if (pars.Empty){
+ 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.HasArglist) {
- // "__arglist is not valid in this context"
- Report.Error (1669, lexer.Location, "__arglist is not valid in this context");
- } else if (pars.FixedParameters == null && pars.ArrayParameter == null){
- Report.Error (1551, lexer.Location, "Indexers must have at least one parameter");
+ if (pars.Empty){
+ Report.Error (1551, (Location) $4, "Indexers must have at least one parameter");
}
MemberName name = (MemberName) $2;
- $$ = new IndexerDeclaration ((Expression) $1, name, pars);
+ $$ = new IndexerDeclaration ((Expression) $1, name, pars, (Location) $4);
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
enum_declaration
: opt_attributes
opt_modifiers
- opt_partial
ENUM IDENTIFIER
opt_enum_base {
if (RootContext.Documentation != null)
enum_body
opt_semicolon
{
- bool partial = (bool) $3;
-
- if (partial) {
- Report.Error (267, lexer.Location, "The partial modifier can only appear before a 'class', 'struct', or 'interface'");
- break; // assumes that the parser put us in a switch
- }
+ LocatedToken lt = (LocatedToken) $4;
+ Location enum_location = lt.Location;
- Location enum_location = lexer.Location;
-
- MemberName name = MakeName (new MemberName ((string) $5));
- Enum e = new Enum (current_namespace, current_class, (Expression) $6, (int) $2,
- name, (Attributes) $1, enum_location);
+ MemberName name = MakeName (new MemberName (lt.Value, enum_location));
+ Enum e = new Enum (current_namespace, current_class, (Expression) $5, (int) $2,
+ name, (Attributes) $1);
if (RootContext.Documentation != null)
e.DocComment = enumTypeComment;
- foreach (VariableDeclaration ev in (ArrayList) $8) {
- e.AddEnumMember (ev.identifier,
- (Expression) ev.expression_or_array_initializer,
- ev.Location, ev.OptAttributes,
- ev.DocComment);
+
+ EnumMember em = null;
+ foreach (VariableDeclaration ev in (ArrayList) $7) {
+ em = new EnumMember (
+ e, em, ev.identifier, (Expression) ev.expression_or_array_initializer,
+ ev.OptAttributes, ev.Location);
+
+// if (RootContext.Documentation != null)
+ em.DocComment = ev.DocComment;
+
+ e.AddEnumMember (em);
}
- current_container.AddEnum (e);
- RootContext.Tree.RecordDecl (name, e);
+ current_container.AddTypeContainer (e);
$$ = e;
}
enum_member_declaration
: opt_attributes IDENTIFIER
{
- VariableDeclaration vd = new VariableDeclaration ((string) $2, null, lexer.Location, (Attributes) $1);
+ VariableDeclaration vd = new VariableDeclaration (
+ (LocatedToken) $2, null, (Attributes) $1);
if (RootContext.Documentation != null) {
vd.DocComment = Lexer.consume_doc_comment ();
}
| opt_attributes IDENTIFIER
{
- $$ = lexer.Location;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
ASSIGN expression
{
- VariableDeclaration vd = 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 ();
delegate_declaration
: opt_attributes
opt_modifiers
- DELEGATE type member_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- SEMICOLON
+ DELEGATE
+ type type_name
+ open_parens opt_formal_parameter_list CLOSE_PARENS
{
- Location l = lexer.Location;
MemberName name = MakeName ((MemberName) $5);
+ Parameters p = (Parameters) $7;
+
Delegate del = new Delegate (current_namespace, current_class, (Expression) $4,
- (int) $2, name, (Parameters) $7, (Attributes) $1, l);
+ (int) $2, name, p, (Attributes) $1);
if (RootContext.Documentation != null) {
del.DocComment = Lexer.consume_doc_comment ();
}
current_container.AddDelegate (del);
- RootContext.Tree.RecordDecl (name, del);
- $$ = del;
- }
+ current_delegate = del;
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ {
+ lexer.ConstraintsParsing = false;
+ }
+ SEMICOLON
+ {
+ current_delegate.SetParameterInfo ((ArrayList) $10);
+ $$ = current_delegate;
+
+ current_delegate = null;
+ }
+ ;
+
+opt_nullable
+ : /* empty */
+ {
+ lexer.CheckNullable (false);
+ $$ = false;
+ }
+ | INTERR
+ {
+ // FIXME: A hack with parsing conditional operator as nullable type
+ //if (RootContext.Version < LanguageVersion.ISO_2)
+ // Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
+
+ lexer.CheckNullable (true);
+ $$ = true;
+ }
;
namespace_or_type_name
- : member_name
- | namespace_or_type_name DOT IDENTIFIER {
- $$ = new MemberName ((MemberName) $1, (string) $3);
+ : IDENTIFIER opt_type_argument_list
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
+ }
+ | IDENTIFIER DOUBLE_COLON IDENTIFIER opt_type_argument_list {
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $3;
+ $$ = new MemberName (lt1.Value, lt2.Value, (TypeArguments) $4, lt2.Location);
+ }
+ | namespace_or_type_name DOT IDENTIFIER opt_type_argument_list {
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
;
member_name
- : IDENTIFIER {
- $$ = new MemberName ((string) $1);
+ : IDENTIFIER opt_type_parameter_list
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
+ }
+ | namespace_or_type_name DOT IDENTIFIER opt_type_parameter_list
+ {
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
;
-/*
- * Before you think of adding a return_type, notice that we have been
- * using two rules in the places where it matters (one rule using type
- * and another identical one that uses VOID as the return type). This
- * gets rid of a shift/reduce couple
- */
-type
- : namespace_or_type_name
+type_name
+ : IDENTIFIER opt_type_parameter_list
{
- $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments)$2, lt.Location);
}
- | builtin_types
- | array_type
- | pointer_type
;
+//
+// Generics arguments (any type, without attributes)
+//
+
+opt_type_argument_list
+ : /* empty */ { $$ = null; }
+ | OP_GENERICS_LT type_arguments OP_GENERICS_GT
+ {
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
+
+ $$ = $2;
+ }
+ ;
+
+//
+// Generics parameters (identifiers only, with attributes), used in type, method declarations
+//
+
+opt_type_parameter_list
+ : /* empty */ { $$ = null; }
+ | OP_GENERICS_LT type_arguments OP_GENERICS_GT
+ {
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
+
+ $$ = $2;
+ }
+ ;
+
+type_arguments
+ : type_argument
+ {
+ TypeArguments type_args = new TypeArguments (lexer.Location);
+ type_args.Add ((Expression) $1);
+ $$ = type_args;
+ }
+ | type_arguments COMMA type_argument
+ {
+ TypeArguments type_args = (TypeArguments) $1;
+ type_args.Add ((Expression) $3);
+ $$ = type_args;
+ }
+ ;
+
+type_argument
+ : type
+ {
+ $$ = $1;
+ }
+ | attribute_sections type
+ {
+ SimpleName sn = $2 as SimpleName;
+ if (sn == null)
+ Error_TypeExpected (GetLocation ($2));
+ else
+ $2 = new TypeParameterName (sn.Name, (Attributes) $1, lexer.Location);
+ $$ = $2;
+ }
+ ;
+
+/*
+ * Before you think of adding a return_type, notice that we have been
+ * using two rules in the places where it matters (one rule using type
+ * and another identical one that uses VOID as the return type). This
+ * gets rid of a shift/reduce couple
+ */
+type
+ : namespace_or_type_name opt_nullable
+ {
+ MemberName name = (MemberName) $1;
+
+ if ((bool) $2) {
+ $$ = new ComposedCast (name.GetTypeExpression (), "?", lexer.Location);
+ } else {
+ if (RootContext.Version > LanguageVersion.ISO_2 && name.Name == "var")
+ $$ = new VarExpr (name.Location);
+ else
+ $$ = name.GetTypeExpression ();
+ }
+ }
+ | builtin_types opt_nullable
+ {
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
+ }
+ | array_type
+ | pointer_type
+ ;
pointer_type
: type STAR
// can't perform checks during this phase - we do it during
// semantic analysis.
//
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((Expression) $1, "*", Lexer.Location);
}
| VOID STAR
{
- $$ = 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
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ Location loc = GetLocation ($1);
+ if (loc.IsNull)
+ loc = lexer.Location;
+ $$ = new ComposedCast ((Expression) $1, (string) $2, loc);
}
| non_expression_type STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
+ Location loc = GetLocation ($1);
+ if (loc.IsNull)
+ loc = lexer.Location;
+ $$ = new ComposedCast ((Expression) $1, "*", loc);
}
| 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
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ string rank_specifiers = (string) $2;
+ if ((bool) $3)
+ rank_specifiers += "?";
+
+ $$ = current_array_type = new ComposedCast ((Expression) $1, rank_specifiers);
}
;
{
// 7.5.1: Literals
}
-
- | member_name
+ | type_name
{
- $$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
+ MemberName mn = (MemberName) $1;
+ $$ = mn.GetTypeExpression ();
+ }
+ | IDENTIFIER DOUBLE_COLON IDENTIFIER
+ {
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $3;
+ if (RootContext.Version == LanguageVersion.ISO_1)
+ Report.FeatureIsNotAvailable (lt1.Location, "namespace alias qualifier");
+
+ $$ = new QualifiedAliasMember (lt1.Value, lt2.Value, lt2.Location);
}
| parenthesized_expression
+ | default_value_expression
| member_access
| invocation_expression
| element_access
: boolean_literal
| integer_literal
| real_literal
- | LITERAL_CHARACTER { $$ = new CharLiteral ((char) lexer.Value); }
- | LITERAL_STRING { $$ = new StringLiteral ((string) lexer.Value); }
- | NULL { $$ = NullLiteral.Null; }
+ | LITERAL_CHARACTER { $$ = new CharLiteral ((char) lexer.Value, lexer.Location); }
+ | LITERAL_STRING { $$ = new StringLiteral ((string) lexer.Value, lexer.Location); }
+ | NULL { $$ = new NullLiteral (lexer.Location); }
;
real_literal
- : LITERAL_FLOAT { $$ = new FloatLiteral ((float) lexer.Value); }
- | LITERAL_DOUBLE { $$ = new DoubleLiteral ((double) lexer.Value); }
- | LITERAL_DECIMAL { $$ = new DecimalLiteral ((decimal) lexer.Value); }
+ : LITERAL_FLOAT { $$ = new FloatLiteral ((float) lexer.Value, lexer.Location); }
+ | LITERAL_DOUBLE { $$ = new DoubleLiteral ((double) lexer.Value, lexer.Location); }
+ | LITERAL_DECIMAL { $$ = new DecimalLiteral ((decimal) lexer.Value, lexer.Location); }
;
integer_literal
object v = lexer.Value;
if (v is int){
- int i = (int) v;
-
- if (i == 0)
- $$ = IntLiteral.Zero;
- else if (i == 1)
- $$ = IntLiteral.One;
- else
- $$ = new IntLiteral (i);
+ $$ = new IntLiteral ((int) v, lexer.Location);
} else if (v is uint)
- $$ = new UIntLiteral ((UInt32) v);
+ $$ = new UIntLiteral ((UInt32) v, lexer.Location);
else if (v is long)
- $$ = new LongLiteral ((Int64) v);
+ $$ = new LongLiteral ((Int64) v, lexer.Location);
else if (v is ulong)
- $$ = new ULongLiteral ((UInt64) v);
+ $$ = new ULongLiteral ((UInt64) v, lexer.Location);
else
Console.WriteLine ("OOPS. Unexpected result from scanner");
}
;
boolean_literal
- : TRUE { $$ = new BoolLiteral (true); }
- | FALSE { $$ = new BoolLiteral (false); }
+ : TRUE { $$ = new BoolLiteral (true, lexer.Location); }
+ | FALSE { $$ = new BoolLiteral (false, lexer.Location); }
;
parenthesized_expression_0
: OPEN_PARENS expression CLOSE_PARENS
{
$$ = $2;
- lexer.Deambiguate_CloseParens ();
+ lexer.Deambiguate_CloseParens ($$);
// After this, the next token returned is one of
- // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST, CLOSE_PARENS_OPEN_PARENS
+ // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST (CLOSE_PARENS), CLOSE_PARENS_OPEN_PARENS
// or CLOSE_PARENS_MINUS.
}
+ | OPEN_PARENS expression error { CheckToken (1026, yyToken, "Expecting ')'", lexer.Location); }
;
parenthesized_expression
: parenthesized_expression_0 CLOSE_PARENS_NO_CAST
{
$$ = $1;
- }
+ }
+ | parenthesized_expression_0 CLOSE_PARENS
+ {
+ $$ = $1;
+ }
| parenthesized_expression_0 CLOSE_PARENS_MINUS
{
// If a parenthesized expression is followed by a minus, we need to wrap
// the expression inside a ParenthesizedExpression for the CS0075 check
// in Binary.DoResolve().
- $$ = new ParenthesizedExpression ((Expression) $1, lexer.Location);
+ $$ = new ParenthesizedExpression ((Expression) $1);
}
- ;;
+ ;
member_access
- : primary_expression DOT IDENTIFIER
+ : primary_expression DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new MemberAccess ((Expression) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
- | predefined_type DOT IDENTIFIER
+ | predefined_type DOT IDENTIFIER opt_type_argument_list
{
- $$ = new MemberAccess ((Expression) $1, (string) $3, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ // TODO: Location is wrong as some predefined types doesn't hold a location
+ $$ = new MemberAccess ((Expression) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
;
invocation_expression
: primary_expression OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- if ($1 == null) {
- Location l = lexer.Location;
- Report.Error (1, l, "Parse error");
- }
- $$ = new Invocation ((Expression) $1, (ArrayList) $3, lexer.Location);
+ if ($1 == null)
+ Report.Error (1, (Location) $2, "Parse error");
+ else
+ $$ = new Invocation ((Expression) $1, (ArrayList) $3);
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS CLOSE_PARENS
{
- $$ = 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, lexer.Location);
+ $$ = new Invocation ((Expression) $1, args);
}
| parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS argument_list COMMA argument CLOSE_PARENS
{
ArrayList args = ((ArrayList) $4);
args.Add ($6);
- $$ = new Invocation ((Expression) $1, args, lexer.Location);
+ $$ = new Invocation ((Expression) $1, args);
}
;
+opt_object_or_collection_initializer
+ : /* empty */ { $$ = null; }
+ | object_or_collection_initializer
+ ;
+
+object_or_collection_initializer
+ : OPEN_BRACE opt_member_initializer_list CLOSE_BRACE
+ {
+ if ($2 == null)
+ $$ = CollectionOrObjectInitializers.Empty;
+ else
+ $$ = new CollectionOrObjectInitializers ((ArrayList) $2, GetLocation ($1));
+ }
+ | OPEN_BRACE member_initializer_list COMMA CLOSE_BRACE
+ {
+ $$ = new CollectionOrObjectInitializers ((ArrayList) $2, GetLocation ($1));
+ }
+ ;
+
+opt_member_initializer_list
+ : /* empty */ { $$ = null; }
+ | member_initializer_list
+ {
+ $$ = $1;
+ }
+ ;
+
+member_initializer_list
+ : member_initializer
+ {
+ ArrayList a = new ArrayList ();
+ a.Add ($1);
+ $$ = a;
+ }
+ | member_initializer_list COMMA member_initializer
+ {
+ ArrayList a = (ArrayList)$1;
+ a.Add ($3);
+ $$ = a;
+ }
+ ;
+
+member_initializer
+ : IDENTIFIER ASSIGN initializer_value
+ {
+ LocatedToken lt = $1 as LocatedToken;
+ $$ = new ElementInitializer (lt.Value, (Expression)$3, lt.Location);
+ }
+ | non_assignment_expression
+ {
+ $$ = new CollectionElementInitializer ((Expression)$1);
+ }
+ | OPEN_BRACE expression_list CLOSE_BRACE
+ {
+ $$ = new CollectionElementInitializer ((ArrayList)$2, GetLocation ($1));
+ }
+ | OPEN_BRACE CLOSE_BRACE
+ {
+ Report.Error (1920, GetLocation ($1), "An element initializer cannot be empty");
+ }
+ ;
+
+initializer_value
+ : expression
+ | object_or_collection_initializer
+ ;
+
opt_argument_list
: /* empty */ { $$ = null; }
| argument_list
$$ = list;
}
| argument_list error {
- CheckToken (1026, yyToken, ", or ) expected");
+ CheckToken (1026, yyToken, "Expected `,' or `)'", GetLocation ($2));
+ $$ = null;
}
;
Argument[] args = new Argument [list.Count];
list.CopyTo (args, 0);
- Expression expr = new Arglist (args, lexer.Location);
+ Expression expr = new Arglist (args, (Location) $1);
$$ = new Argument (expr, Argument.AType.Expression);
}
+ | ARGLIST OPEN_PARENS CLOSE_PARENS
+ {
+ $$ = new Argument (new Arglist ((Location) $1), Argument.AType.Expression);
+ }
| ARGLIST
{
- $$ = 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);
+ $$ = new ElementAccess ((Expression) $1, (ArrayList) $3);
}
| primary_expression rank_specifiers
{
Expression expr = (Expression) $1;
if (expr is ComposedCast){
- $$ = new ComposedCast (expr, (string) $2, lexer.Location);
- } else if (!(expr is SimpleName || expr is MemberAccess)){
- 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);
}
+ current_array_type = (Expression)$$;
}
;
this_access
: THIS
{
- $$ = new This (current_block, lexer.Location);
+ $$ = new This (current_block, (Location) $1);
}
;
base_access
- : BASE DOT IDENTIFIER
+ : BASE DOT IDENTIFIER opt_type_argument_list
{
- $$ = new BaseAccess ((string) $3, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new BaseAccess (lt.Value, (TypeArguments) $4, lt.Location);
}
| BASE OPEN_BRACKET expression_list CLOSE_BRACKET
{
- $$ = new BaseIndexerAccess ((ArrayList) $3, lexer.Location);
+ $$ = new BaseIndexerAccess ((ArrayList) $3, (Location) $1);
}
| BASE error {
- Report.Error (175, lexer.Location, "Use of keyword `base' is not valid in this context");
+ Report.Error (175, (Location) $1, "Use of keyword `base' is not valid in this context");
$$ = 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);
}
;
new_expression
: object_or_delegate_creation_expression
| array_creation_expression
+ | anonymous_type_expression
;
object_or_delegate_creation_expression
- : NEW type OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : NEW type OPEN_PARENS opt_argument_list CLOSE_PARENS opt_object_or_collection_initializer
+ {
+ if ($6 != null) {
+ if (RootContext.Version <= LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "object initializers");
+
+ $$ = new NewInitialize ((Expression) $2, (ArrayList) $4, (CollectionOrObjectInitializers) $6, (Location) $1);
+ }
+ else
+ $$ = new New ((Expression) $2, (ArrayList) $4, (Location) $1);
+ }
+ | NEW type object_or_collection_initializer
{
- $$ = new New ((Expression) $2, (ArrayList) $4, lexer.Location);
+ if (RootContext.Version <= LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "collection initializers");
+
+ $$ = new NewInitialize ((Expression) $2, null, (CollectionOrObjectInitializers) $3, (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 rank_specifiers array_initializer
+ {
+ $$ = new ImplicitlyTypedArrayCreation ((string) $2, (ArrayList) $3, (Location) $1);
}
| NEW error
{
- Report.Error (1031, lexer.Location, "Type expected");
+ Report.Error (1031, (Location) $1, "Type expected");
$$ = 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");
+ $$ = null;
+ }
+ ;
+
+anonymous_type_expression
+ : NEW OPEN_BRACE anonymous_type_parameters CLOSE_BRACE
+ {
+ if (RootContext.Version <= LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "anonymous types");
+
+ $$ = new AnonymousTypeDeclaration ((ArrayList) $3, current_container, GetLocation ($1));
+ }
+ ;
+
+anonymous_type_parameters
+ : { $$ = null; }
+ | anonymous_type_parameter
+ {
+ ArrayList a = new ArrayList (4);
+ a.Add ($1);
+ $$ = a;
+ }
+ | anonymous_type_parameters COMMA anonymous_type_parameter
+ {
+ ArrayList a = (ArrayList) $1;
+ a.Add ($3);
+ $$ = a;
+ }
+ ;
+
+anonymous_type_parameter
+ : IDENTIFIER ASSIGN variable_initializer
+ {
+ LocatedToken lt = (LocatedToken)$1;
+ $$ = new AnonymousTypeParameter ((Expression)$3, lt.Value, lt.Location);
+ }
+ | IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken)$1;
+ $$ = new AnonymousTypeParameter (new SimpleName (lt.Value, lt.Location),
+ lt.Value, lt.Location);
+ }
+ | member_access
+ {
+ MemberAccess ma = (MemberAccess) $1;
+ $$ = new AnonymousTypeParameter (ma, ma.Identifier, ma.Location);
+ }
+ | error
+ {
+ Report.Error (746, lexer.Location, "Invalid anonymous type member declarator. " +
+ "Anonymous type members must be a member assignment, simple name or member access expression");
}
;
}
;
+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
{
;
typeof_expression
- : TYPEOF OPEN_PARENS VOID CLOSE_PARENS
+ : TYPEOF
+ {
+ pushed_current_array_type = current_array_type;
+ lexer.TypeOfParsing = true;
+ }
+ OPEN_PARENS typeof_type_expression CLOSE_PARENS
+ {
+ lexer.TypeOfParsing = false;
+ Expression type = (Expression)$4;
+ if (type == TypeManager.system_void_expr)
+ $$ = new TypeOfVoid ((Location) $1);
+ else
+ $$ = new TypeOf (type, (Location) $1);
+ current_array_type = pushed_current_array_type;
+ }
+ ;
+
+typeof_type_expression
+ : type
+ {
+ $$ = $1;
+ }
+ | unbound_type_name
+ {
+ $$ = new UnboundTypeExpression ((MemberName)$1, lexer.Location);
+ }
+ ;
+
+unbound_type_name
+ : IDENTIFIER GENERIC_DIMENSION
+ {
+ if (RootContext.Version < LanguageVersion.ISO_1)
+ Report.FeatureIsNotAvailable (lexer.Location, "generics");
+
+ LocatedToken lt = (LocatedToken) $1;
+ TypeArguments ta = new TypeArguments ((int)$2, lt.Location);
+
+ $$ = new MemberName (lt.Value, ta, lt.Location);
+ }
+ | IDENTIFIER DOUBLE_COLON IDENTIFIER GENERIC_DIMENSION
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ MemberName left = new MemberName (lt.Value, lt.Location);
+ lt = (LocatedToken) $3;
+ TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
+
+ $$ = new MemberName (left, lt.Value, ta, lt.Location);
+ }
+ | unbound_type_name DOT IDENTIFIER GENERIC_DIMENSION
{
- $$ = new TypeOfVoid (lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
+
+ $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
}
- | TYPEOF OPEN_PARENS type CLOSE_PARENS
+ | namespace_or_type_name DOT IDENTIFIER GENERIC_DIMENSION
{
- $$ = new TypeOf ((Expression) $3, lexer.Location);
+ LocatedToken lt = (LocatedToken) $3;
+ TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
+
+ $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.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);
}
;
anonymous_method_expression
- : DELEGATE opt_anonymous_method_signature _mark_
+ : DELEGATE opt_anonymous_method_signature
{
- oob_stack.Push (current_local_parameters);
- current_local_parameters = (Parameters)$2;
-
- // Force the next block to be created as a ToplevelBlock
- oob_stack.Push (current_block);
- oob_stack.Push (top_current_block);
- current_block = null;
- }
+ start_anonymous (false, (Parameters) $2, (Location) $1);
+ }
block
{
- Location loc = (Location) $3;
- top_current_block = (Block) oob_stack.Pop ();
- current_block = (Block) oob_stack.Pop ();
- if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (lexer.Location, "anonymous methods");
- $$ = null;
- } else {
- ToplevelBlock anon_block = (ToplevelBlock) $5;
-
- anon_block.Parent = current_block;
- $$ = new AnonymousMethod ((Parameters) $2, (ToplevelBlock) top_current_block,
- anon_block, loc);
- }
- current_local_parameters = (Parameters) oob_stack.Pop ();
- }
+ $$ = end_anonymous ((ToplevelBlock) $4, (Location) $1);
+ }
;
opt_anonymous_method_signature
;
anonymous_method_signature
- : OPEN_PARENS opt_anonymous_method_parameter_list CLOSE_PARENS
+ : open_parens
{
- if ($2 == null)
- $$ = Parameters.EmptyReadOnlyParameters;
- else {
- ArrayList par_list = (ArrayList) $2;
- Parameter [] pars = new Parameter [par_list.Count];
- par_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
- }
+ params_modifiers_not_allowed = true;
}
- ;
-
-opt_anonymous_method_parameter_list
- : /* empty */ { $$ = null; }
- | anonymous_method_parameter_list { $$ = $1; }
- ;
-
-anonymous_method_parameter_list
- : anonymous_method_parameter
+ opt_formal_parameter_list CLOSE_PARENS
{
- ArrayList a = new ArrayList (4);
- a.Add ($1);
- $$ = a;
+ params_modifiers_not_allowed = false;
+ $$ = $3;
}
- | anonymous_method_parameter_list COMMA anonymous_method_parameter
+ ;
+
+default_value_expression
+ : DEFAULT_OPEN_PARENS type CLOSE_PARENS
{
- ArrayList a = (ArrayList) $1;
- a.Add ($3);
- $$ = a;
- }
- ;
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (lexer.Location, "default value expression");
-anonymous_method_parameter
- : opt_parameter_modifier type IDENTIFIER {
- $$ = new Parameter ((Expression) $2, (string) $3, (Parameter.Modifier) $1, null);
- }
- | PARAMS type IDENTIFIER {
- Report.Error (1670, lexer.Location, "params modifier not allowed in anonymous method declaration");
- $$ = null;
+ $$ = new DefaultValueExpression ((Expression) $2, lexer.Location);
}
;
: primary_expression
| BANG prefixed_unary_expression
{
- $$ = 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);
+ $$ = new Cast ((Expression) $1, (Expression) $3);
+ }
+ | parenthesized_expression_0 CLOSE_PARENS_NO_CAST default_value_expression
+ {
+ $$ = 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
{
+ // TODO: wrong location
$$ = new Cast ((Expression) $2, (Expression) $4, lexer.Location);
}
;
: unary_expression
| PLUS prefixed_unary_expression
{
- $$ = 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);
- }
- ;
-
-pre_increment_expression
- : OP_INC prefixed_unary_expression
- {
- $$ = new UnaryMutator (UnaryMutator.Mode.PreIncrement,
- (Expression) $2, lexer.Location);
- }
- ;
-
-pre_decrement_expression
- : OP_DEC prefixed_unary_expression
- {
- $$ = new UnaryMutator (UnaryMutator.Mode.PreDecrement,
- (Expression) $2, lexer.Location);
+ $$ = new Unary (Unary.Operator.AddressOf, (Expression) $2, (Location) $1);
}
;
| multiplicative_expression STAR prefixed_unary_expression
{
$$ = 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
+ {
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
{
- $$ = new Is ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new Is ((Expression) $1, (Expression) $4, (Location) $2);
}
- | relational_expression AS type
+ | relational_expression AS
{
- $$ = new As ((Expression) $1, (Expression) $3, lexer.Location);
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
+ {
+ $$ = 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);
+ $$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5);
+ }
+ | conditional_or_expression OP_COALESCING expression
+ {
+ $$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $3, 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;
-
$$ = new CompoundAssign (
- Binary.Operator.ExclusiveOr, (Expression) $1, (Expression) $3, l);
+ Binary.Operator.ExclusiveOr, (Expression) $1, (Expression) $3);
}
;
-expression
- : conditional_expression
- | assignment_expression
+lambda_parameter_list
+ : lambda_parameter
+ {
+ ArrayList pars = new ArrayList (4);
+ pars.Add ($1);
+
+ $$ = pars;
+ }
+ | lambda_parameter_list COMMA lambda_parameter
+ {
+ ArrayList pars = (ArrayList) $1;
+ Parameter p = (Parameter)$3;
+ if (pars[0].GetType () != p.GetType ()) {
+ Report.Error (748, p.Location, "All lambda parameters must be typed either explicitly or implicitly");
+ }
+
+ pars.Add (p);
+ $$ = pars;
+ }
;
-constant_expression
+lambda_parameter
+ : parameter_modifier type IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $3;
+
+ $$ = new Parameter ((Expression) $2, lt.Value, (Parameter.Modifier) $1, null, lt.Location);
+ }
+ | type IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $2;
+
+ $$ = new Parameter ((Expression) $1, lt.Value, Parameter.Modifier.NONE, null, lt.Location);
+ }
+ | IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new ImplicitLambdaParameter (lt.Value, lt.Location);
+ }
+ ;
+
+opt_lambda_parameter_list
+ : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ | lambda_parameter_list {
+ ArrayList pars_list = (ArrayList) $1;
+ $$ = new Parameters ((Parameter[])pars_list.ToArray (typeof (Parameter)));
+ }
+ ;
+
+lambda_expression_body
+ : {
+ start_block (lexer.Location);
+ }
+ expression
+ {
+ Block b = end_block (lexer.Location);
+ b.AddStatement (new ContextualReturn ((Expression) $2));
+ $$ = b;
+ }
+ | block {
+ $$ = $1;
+ }
+ ;
+
+lambda_expression
+ : IDENTIFIER ARROW
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
+ start_anonymous (true, new Parameters (p), (Location) $2);
+ }
+ lambda_expression_body
+ {
+ $$ = end_anonymous ((ToplevelBlock) $4, (Location) $2);
+ }
+ | OPEN_PARENS_LAMBDA opt_lambda_parameter_list CLOSE_PARENS ARROW
+ {
+ start_anonymous (true, (Parameters) $2, (Location) $4);
+ }
+ lambda_expression_body
+ {
+ $$ = end_anonymous ((ToplevelBlock) $6, (Location) $4);
+ }
+ ;
+
+expression
+ : assignment_expression
+ | non_assignment_expression
+ ;
+
+non_assignment_expression
+ : conditional_expression
+ | lambda_expression
+ | query_expression
+ ;
+
+constant_expression
: expression
;
: opt_attributes
opt_modifiers
opt_partial
- CLASS member_name
+ CLASS
{
- MemberName name = MakeName ((MemberName) $5);
- bool partial = (bool) $3;
- int mod_flags = (int) $2;
-
- if (partial) {
- ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_class, name, mod_flags,
- (Attributes) $1, Kind.Class, lexer.Location);
-
- 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, lexer.Location);
- } else {
- current_class = new Class (
- current_namespace, current_class, name,
- mod_flags, (Attributes) $1, lexer.Location);
- }
-
- current_container.AddClassOrStruct (current_class);
- current_container = current_class;
- RootContext.Tree.RecordDecl (name, current_class);
- }
+ lexer.ConstraintsParsing = true;
+ }
+ type_name
+ {
+ MemberName name = MakeName ((MemberName) $6);
+ push_current_class (new Class (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
opt_class_base
+ opt_type_parameter_constraints_clauses
{
- if ($7 != 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.");
- }
- current_class.Bases = (ArrayList) $7;
- }
+ lexer.ConstraintsParsing = false;
+
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null) {
- current_class.DocComment = Lexer.consume_doc_comment ();
+ current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
opt_partial
: /* empty */
- { $$ = (bool) false; }
+ { $$ = null; }
| PARTIAL
- { $$ = (bool) true; }
+ { $$ = $1; } // location
;
opt_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));
}
$$ = (int) (m1 | m2);
}
- ;
+ ;
modifier
: NEW { $$ = Modifiers.NEW; }
;
opt_class_base
- : /* empty */ { $$ = null; }
- | class_base { $$ = $1; }
+ : /* empty */
+ | class_base
;
class_base
- : COLON type_list { $$ = $2; }
+ : COLON type_list { current_container.AddBasesForPart (current_class, (ArrayList) $2); }
+ ;
+
+opt_type_parameter_constraints_clauses
+ : /* empty */ { $$ = null; }
+ | type_parameter_constraints_clauses
+ { $$ = $1; }
+ ;
+
+type_parameter_constraints_clauses
+ : type_parameter_constraints_clause {
+ ArrayList constraints = new ArrayList (1);
+ constraints.Add ($1);
+ $$ = constraints;
+ }
+ | type_parameter_constraints_clauses type_parameter_constraints_clause {
+ ArrayList constraints = (ArrayList) $1;
+ Constraints new_constraint = (Constraints)$2;
+
+ foreach (Constraints c in constraints) {
+ if (new_constraint.TypeParameter == c.TypeParameter) {
+ Report.Error (409, new_constraint.Location, "A constraint clause has already been specified for type parameter `{0}'",
+ new_constraint.TypeParameter);
+ }
+ }
+
+ constraints.Add (new_constraint);
+ $$ = constraints;
+ }
+ ;
+
+type_parameter_constraints_clause
+ : WHERE IDENTIFIER COLON type_parameter_constraints {
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = new Constraints (lt.Value, (ArrayList) $4, lt.Location);
+ }
+ ;
+
+type_parameter_constraints
+ : type_parameter_constraint {
+ ArrayList constraints = new ArrayList (1);
+ constraints.Add ($1);
+ $$ = constraints;
+ }
+ | type_parameter_constraints COMMA type_parameter_constraint {
+ ArrayList constraints = (ArrayList) $1;
+
+ constraints.Add ($3);
+ $$ = constraints;
+ }
+ ;
+
+type_parameter_constraint
+ : type
+ | NEW OPEN_PARENS CLOSE_PARENS {
+ $$ = SpecialConstraint.Constructor;
+ }
+ | CLASS {
+ $$ = SpecialConstraint.ReferenceType;
+ }
+ | STRUCT {
+ $$ = SpecialConstraint.ValueType;
+ }
;
//
// event_declaration as part of add_accessor_declaration or remove_accessor_declaration
//
block
- : OPEN_BRACE
+ : OPEN_BRACE
{
- if (current_block == null){
- current_block = new ToplevelBlock ((ToplevelBlock) top_current_block, current_local_parameters, lexer.Location);
- top_current_block = current_block;
- } else {
- current_block = new Block (current_block, lexer.Location, Location.Null);
- }
+ ++lexer.parsing_block;
+ start_block ((Location) $1);
}
opt_statement_list CLOSE_BRACE
- {
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block.SetEndLocation (lexer.Location);
- current_block = current_block.Parent;
- if (current_block == null)
- top_current_block = null;
+ {
+ --lexer.parsing_block;
+ $$ = end_block ((Location) $4);
+ }
+ ;
+
+block_prepared
+ : OPEN_BRACE
+ {
+ ++lexer.parsing_block;
+ }
+ opt_statement_list CLOSE_BRACE
+ {
+ --lexer.parsing_block;
+ $$ = end_block ((Location) $4);
}
;
: 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 (labeled))
current_block.AddStatement (labeled);
}
statement
declaration_statement
: local_variable_declaration SEMICOLON
{
+ current_array_type = null;
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
+ Expression e = (Expression) de.Key;
- $$ = declare_local_variables ((Expression) de.Key, (ArrayList) de.Value, lexer.Location);
+ $$ = declare_local_variables (e, (ArrayList) de.Value, e.Location);
}
}
| local_constant_declaration SEMICOLON
{
+ current_array_type = null;
if ($1 != null){
DictionaryEntry de = (DictionaryEntry) $1;
* > 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.
// SimpleName is when you have
// Blah i;
- Expression expr = (Expression) $1;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast)) {
- Error_ExpectingTypeName (lexer.Location, expr);
+ Expression expr = (Expression) $1;
+ SimpleName sn = expr as SimpleName;
+ if (!(sn != null || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType || expr is QualifiedAliasMember)) {
+ Error_ExpectingTypeName (expr);
$$ = null;
} else {
//
// or MemberAccess
//
- if ((string) $2 == "")
- $$ = $1;
- else
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ if ((string) $2 == "") {
+ if (sn != null && RootContext.Version > LanguageVersion.ISO_2 && sn.Name == "var")
+ $$ = new VarExpr (sn.Location);
+ else
+ $$ = $1;
+ } else
+ $$ = 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);
+ $$ = current_array_type = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
}
;
: primary_expression STAR
{
Expression expr = (Expression) $1;
- Location l = lexer.Location;
- if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast)) {
- Error_ExpectingTypeName (l, expr);
+ if (!(expr is SimpleName || expr is MemberAccess || expr is ComposedCast || expr is ConstructedType || expr is QualifiedAliasMember)) {
+ Error_ExpectingTypeName (expr);
$$ = null;
} else
- $$ = new ComposedCast ((Expression) $1, "*", l);
+ $$ = new ComposedCast ((Expression) $1, "*");
}
| builtin_types STAR
{
- $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);;
+ $$ = new ComposedCast ((Expression) $1, "*", lexer.Location);
}
| 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, "*");
}
;
local_variable_declaration
: local_variable_type variable_declarators
{
- if ($1 != null)
+ if ($1 != null) {
+ VarExpr ve = $1 as VarExpr;
+ if (ve != null)
+ ve.VariableInitializer = (ArrayList)$2;
+
$$ = new DictionaryEntry ($1, $2);
- else
+ } else
$$ = 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
;
expression_statement
- : statement_expression SEMICOLON
- {
- $$ = $1;
- }
+ : statement_expression SEMICOLON { $$ = $1; }
;
//
// because statement_expression is used for example in for_statement
//
statement_expression
- : invocation_expression { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | object_creation_expression { $$ = 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 { $$ = new StatementExpression ((ExpressionStatement) $1, lexer.Location); }
- | error {
- Report.Error (1002, lexer.Location, "Expecting `;'");
+ : expression
+ {
+ Expression expr = (Expression) $1;
+ ExpressionStatement s = expr as ExpressionStatement;
+ if (s == null) {
+ expr.Error_InvalidExpressionStatement ();
+ $$ = null;
+ }
+ $$ = new StatementExpression (s);
+ }
+ | error
+ {
+ Report.Error (1002, GetLocation ($1), "Expecting `;'");
$$ = null;
}
;
-object_creation_expression
- : object_or_delegate_creation_expression
- { note ("complain if this is a delegate maybe?"); }
- ;
-
selection_statement
: if_statement
| switch_statement
;
if_statement
- : IF OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS
+ : IF OPEN_PARENS boolean_expression CLOSE_PARENS
embedded_statement
{
- Location l = (Location) $3;
+ Location l = (Location) $1;
- $$ = new If ((Expression) $4, (Statement) $6, l);
+ $$ = new If ((Expression) $3, (Statement) $5, l);
- if (RootContext.WarningLevel >= 4){
- if ($6 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
- }
+ // FIXME: location for warning should be loc property of $5.
+ if ($5 == EmptyStatement.Value)
+ Report.Warning (642, 3, l, "Possible mistaken empty statement");
}
- | IF OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS
+ | IF OPEN_PARENS boolean_expression CLOSE_PARENS
embedded_statement ELSE embedded_statement
{
- Location l = (Location) $3;
+ Location l = (Location) $1;
+
+ $$ = new If ((Expression) $3, (Statement) $5, (Statement) $7, l);
- $$ = new If ((Expression) $4, (Statement) $6, (Statement) $8, l);
+ // FIXME: location for warning should be loc property of $5 and $7.
+ if ($5 == EmptyStatement.Value)
+ Report.Warning (642, 3, l, "Possible mistaken empty statement");
+ if ($7 == EmptyStatement.Value)
+ Report.Warning (642, 3, l, "Possible mistaken empty statement");
}
;
switch_statement
- : SWITCH OPEN_PARENS _mark_
+ : SWITCH OPEN_PARENS
{
+ if (switch_stack == null)
+ switch_stack = new Stack (2);
switch_stack.Push (current_block);
}
expression CLOSE_PARENS
switch_block
{
- $$ = new Switch ((Expression) $5, (ArrayList) $7, (Location) $3);
+ $$ = new Switch ((Expression) $4, (ArrayList) $6, (Location) $1);
current_block = (Block) switch_stack.Pop ();
}
;
opt_switch_sections
: /* empty */
{
- Report.Error (1522, lexer.Location, "Empty switch block");
+ Report.Warning (1522, 1, lexer.Location, "Empty switch block");
+ $$ = new ArrayList ();
}
| switch_sections
;
}
statement_list
{
- Block topmost = current_block;
-
- while (topmost.Implicit)
- topmost = topmost.Parent;
- $$ = new SwitchSection ((ArrayList) $1, topmost);
+ $$ = new SwitchSection ((ArrayList) $1, current_block.Explicit);
}
;
;
switch_label
- : CASE constant_expression COLON { $$ = 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 { $$ = new SwitchLabel (null, (Location) $1); }
| error {
Report.Error (
- 1523, lexer.Location,
+ 1523, GetLocation ($1),
"The keyword case or default must precede code in switch block");
}
;
;
while_statement
- : WHILE OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS embedded_statement
- {
- Location l = (Location) $3;
- $$ = new While ((Expression) $4, (Statement) $6, l);
-
- if (RootContext.WarningLevel >= 4){
- if ($6 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
- }
- }
+ : WHILE OPEN_PARENS boolean_expression CLOSE_PARENS embedded_statement
+ {
+ Location l = (Location) $1;
+ $$ = new While ((Expression) $3, (Statement) $5, l);
+ }
;
do_statement
: DO embedded_statement
- WHILE OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS SEMICOLON
+ WHILE OPEN_PARENS boolean_expression CLOSE_PARENS SEMICOLON
{
- Location l = (Location) $5;
+ Location l = (Location) $1;
- $$ = new Do ((Statement) $2, (Expression) $6, l);
+ $$ = new Do ((Statement) $2, (Expression) $5, l);
}
;
for_statement
- : FOR OPEN_PARENS
- opt_for_initializer SEMICOLON _mark_
+ : FOR open_parens
+ opt_for_initializer SEMICOLON
{
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ Location l = lexer.Location;
+ start_block (l);
+ Block assign_block = current_block;
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
if (vi == null)
continue;
- Location l = lexer.Location;
- Expression expr;
- if (decl.expression_or_array_initializer is Expression){
- expr = (Expression) decl.expression_or_array_initializer;
- } else if (decl.expression_or_array_initializer == null) {
- expr = null;
- } else {
- ArrayList init = (ArrayList) decl.expression_or_array_initializer;
- expr = new ArrayCreation (type, "", init, decl.Location);
- }
+ Expression expr = decl.expression_or_array_initializer;
LocalVariableReference var;
var = new LocalVariableReference (assign_block, decl.identifier, l);
if (expr != null) {
Assign a = new Assign (var, expr, decl.Location);
- assign_block.AddStatement (new StatementExpression (a, lexer.Location));
+ assign_block.AddStatement (new StatementExpression (a));
}
}
// Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.
- // This can be referred to as $6 below.
+ // This can be referred to as $5 below.
$$ = null;
} else {
$$ = $3;
opt_for_iterator CLOSE_PARENS
embedded_statement
{
- Location l = (Location) $5;
-
- For f = new For ((Statement) $6, (Expression) $7, (Statement) $9, (Statement) $11, l);
+ Location l = (Location) $1;
- if (RootContext.WarningLevel >= 4){
- if ($11 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
- }
+ For f = new For ((Statement) $5, (Expression) $6, (Statement) $8, (Statement) $10, l);
current_block.AddStatement (f);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+
+ $$ = end_block (lexer.Location);
}
;
: statement_expression
{
// CHANGE: was `null'
- Block b = new Block (current_block, Block.Flags.Implicit);
+ Statement s = (Statement) $1;
+ Block b = new Block (current_block, s.loc, lexer.Location);
- b.AddStatement ((Statement) $1);
+ b.AddStatement (s);
$$ = b;
}
| statement_expression_list COMMA statement_expression
;
foreach_statement
- : FOREACH OPEN_PARENS type IN expression CLOSE_PARENS
- {
- Report.Error (230, lexer.Location, "Type and identifier are both required in a foreach statement");
+ : FOREACH open_parens type IN expression CLOSE_PARENS
+ {
+ Report.Error (230, (Location) $1, "Type and identifier are both required in a foreach statement");
$$ = null;
- }
- | FOREACH OPEN_PARENS type IDENTIFIER IN _mark_
+ }
+ | FOREACH open_parens type IDENTIFIER IN
expression CLOSE_PARENS
{
- Block foreach_block = new Block (current_block);
- current_block = foreach_block;
-
- Location l = lexer.Location;
- LocalInfo vi;
+ start_block (lexer.Location);
+ Block foreach_block = current_block;
- vi = foreach_block.AddVariable ((Expression) $3, (string) $4, l);
+ LocatedToken lt = (LocatedToken) $4;
+ Location l = lt.Location;
+ LocalInfo 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.
//
// Note that the $$ here refers to the value of _this_ code block,
- // not the value of the LHS non-terminal. This can be referred to as $9 below.
- $$ = new LocalVariableReference (foreach_block, (string) $4, l, vi, false);
+ // 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;
}
}
embedded_statement
{
- LocalVariableReference v = (LocalVariableReference) $9;
- Location l = (Location) $6;
+ LocalVariableReference v = (LocalVariableReference) $8;
+ Location l = (Location) $1;
if (v != null) {
- Foreach f = new Foreach ((Expression) $3, v, (Expression) $7, (Statement) $10, l);
+ Foreach f = new Foreach ((Expression) $3, v, (Expression) $6, (Statement) $9, l);
current_block.AddStatement (f);
}
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+ $$ = end_block (lexer.Location);
}
;
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
{
- $$ = new Goto ((string) $2, lexer.Location);
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = 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");
$$ = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (lexer.Location, "yield statement");
+ Report.FeatureIsNotAvailable (lt.Location, "yield statement");
$$ = null;
}
- if (iterator_container == null){
- Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
+ if (anonymous_host == null){
+ Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
- iterator_container.SetYields ();
- $$ = new Yield ((Expression) $3, lexer.Location);
+ anonymous_host.SetYields ();
+ $$ = new Yield ((Expression) $3, lt.Location);
}
}
| IDENTIFIER RETURN SEMICOLON
- {
- Report.Error (1627, lexer.Location, "Expression expected after yield return");
+ {
+ Report.Error (1627, (Location) $2, "Expression expected after yield return");
$$ = 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");
$$ = null;
}
if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotStandardized (lexer.Location, "yield statement");
+ Report.FeatureIsNotAvailable (lt.Location, "yield statement");
$$ = null;
}
- if (iterator_container == null){
- Report.Error (204, lexer.Location, "yield statement can only be used within a method, operator or property");
+ if (anonymous_host == null){
+ Report.Error (204, lt.Location, "yield statement can only be used within a method, operator or property");
$$ = null;
} else {
- iterator_container.SetYields ();
- $$ = new YieldBreak (lexer.Location);
+ anonymous_host.SetYields ();
+ $$ = new YieldBreak (lt.Location);
}
}
;
try_statement
: TRY block catch_clauses
- {
+ {
Catch g = null;
ArrayList c = (ArrayList)$3;
Catch cc = (Catch) c [i];
if (cc.IsGeneral) {
if (i != c.Count - 1)
- Report.Error (1017, cc.loc, "Empty catch block must be the last in a series of catch blocks");
+ Report.Error (1017, cc.loc, "Try statement already has an empty catch block");
g = cc;
c.RemoveAt (i);
i--;
// and g contains the general one.
$$ = new Try ((Block) $2, c, g, null, ((Block) $2).loc);
- }
+ }
| TRY block opt_catch_clauses FINALLY block
{
Catch g = null;
}
| TRY block error
{
- Report.Error (1524, lexer.Location, "Expected catch or finally");
+ Report.Error (1524, (Location) $1, "Expected catch or finally");
+ $$ = null;
}
;
catch_clause
: CATCH opt_catch_args
- {
+ {
Expression type = null;
- string id = null;
if ($2 != null) {
DictionaryEntry cc = (DictionaryEntry) $2;
type = (Expression) cc.Key;
- id = (string) cc.Value;
+ LocatedToken lt = (LocatedToken) cc.Value;
- if (id != null){
+ if (lt != null){
ArrayList one = new ArrayList (4);
- Location loc = lexer.Location;
- one.Add (new VariableDeclaration (id, null, loc));
+ one.Add (new VariableDeclaration (lt, null));
- current_block = new Block (current_block);
- Block b = declare_local_variables (type, one, loc);
- current_block = b;
+ start_block (lexer.Location);
+ current_block = declare_local_variables (type, one, lt.Location);
}
}
- } block {
+ } block {
Expression type = null;
string id = null;
+ Block var_block = null;
if ($2 != null){
DictionaryEntry cc = (DictionaryEntry) $2;
type = (Expression) cc.Key;
- id = (string) cc.Value;
+ LocatedToken lt = (LocatedToken) cc.Value;
- if (id != null){
- while (current_block.Implicit)
- current_block = current_block.Parent;
- current_block = current_block.Parent;
+ if (lt != null){
+ id = lt.Value;
+ var_block = end_block (lexer.Location);
}
}
- $$ = new Catch (type, id, (Block) $4, ((Block) $4).loc);
- }
+ $$ = new Catch (type, id, (Block) $4, var_block, ((Block) $4).loc);
+ }
;
opt_catch_args
;
catch_args
- : OPEN_PARENS type opt_identifier CLOSE_PARENS
- {
+ : open_parens type opt_identifier CLOSE_PARENS
+ {
$$ = 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 {
$$ = new Unsafe ((Block) $3);
- }
+ }
;
fixed_statement
- : FIXED OPEN_PARENS
+ : FIXED open_parens
type fixed_pointer_declarators
- CLOSE_PARENS _mark_
+ CLOSE_PARENS
{
ArrayList list = (ArrayList) $4;
Expression type = (Expression) $3;
- Location l = lexer.Location;
+ Location l = (Location) $1;
int top = list.Count;
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ start_block (lexer.Location);
for (int i = 0; i < top; i++){
Pair p = (Pair) list [i];
if (v == null)
continue;
- v.ReadOnly = true;
+ v.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
v.Pinned = true;
p.First = v;
list [i] = p;
}
embedded_statement
{
- Location l = (Location) $6;
-
- Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $8, l);
+ Location l = (Location) $1;
- if (RootContext.WarningLevel >= 4){
- if ($8 == EmptyStatement.Value)
- Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
- }
+ Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
current_block.AddStatement (f);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+
+ $$ = end_block (lexer.Location);
}
;
fixed_pointer_declarator
: IDENTIFIER ASSIGN expression
- {
- $$ = new Pair ($1, $3);
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ // FIXME: keep location
+ $$ = new Pair (lt.Value, $3);
}
| IDENTIFIER
{
- Report.Error (210, lexer.Location, "You must provide an initializer in a fixed or using statement declaration");
+ Report.Error (210, ((LocatedToken) $1).Location, "You must provide an initializer in a fixed or using statement declaration");
$$ = 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 _mark_
+ : USING open_parens resource_acquisition CLOSE_PARENS
{
- Block assign_block = new Block (current_block);
- current_block = assign_block;
+ start_block (lexer.Location);
+ Block assign_block = current_block;
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
- Location l = lexer.Location;
+ Location l = (Location) $1;
Expression type = (Expression) de.Key;
ArrayList var_declarators = (ArrayList) de.Value;
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);
+ Expression expr = decl.expression_or_array_initializer;
+ if (expr == null) {
+ Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
}
LocalVariableReference var;
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));
}
// Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.
- // It can be referred to as $6 below.
+ // It can be referred to as $5 below.
$$ = new DictionaryEntry (type, vars);
} else {
$$ = $3;
}
embedded_statement
{
- Using u = new Using ($6, (Statement) $7, (Location) $5);
+ Using u = new Using ($5, (Statement) $6, (Location) $1);
current_block.AddStatement (u);
- while (current_block.Implicit)
- current_block = current_block.Parent;
- $$ = current_block;
- current_block = current_block.Parent;
+ $$ = end_block (lexer.Location);
}
;
| expression
;
-// Utility rule to save location information
-_mark_
+
+// LINQ
+
+query_expression
+ : first_from_clause
+ {
+ ++lexer.query_parsing;
+ }
+ query_body
+ {
+ if (--lexer.query_parsing == 1)
+ lexer.query_parsing = 0;
+
+ Linq.AQueryClause from = $1 as Linq.AQueryClause;
+
+ from.Tail.Next = (Linq.AQueryClause)$3;
+ $$ = from;
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+ }
+ ;
+
+first_from_clause
+ : FROM IDENTIFIER IN expression
+ {
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
+ LocatedToken lt = (LocatedToken) $2;
+
+ current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance, lt.Value, lt.Location);
+ $$ = new Linq.QueryExpression (lt, new Linq.QueryStartClause ((Expression)$4));
+ }
+ | FROM type IDENTIFIER IN expression
+ {
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
+ LocatedToken lt = (LocatedToken) $3;
+
+ Expression type = (Expression)$2;
+ current_block.AddVariable (type, lt.Value, lt.Location);
+ $$ = new Linq.QueryExpression (lt, new Linq.Cast (type, (Expression)$5));
+ }
+ ;
+
+from_clause
+ : FROM IDENTIFIER IN expression
+ {
+ LocatedToken lt = (LocatedToken) $2;
+
+ current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
+ lt.Value, lt.Location);
+
+ $$ = new Linq.SelectMany (lt, (Expression)$4);
+ }
+ | FROM type IDENTIFIER IN expression
+ {
+ LocatedToken lt = (LocatedToken) $3;
+
+ Expression type = (Expression)$2;
+ current_block.AddVariable (type, lt.Value, lt.Location);
+ $$ = new Linq.SelectMany (lt, new Linq.Cast (type, (Expression)$5));
+ }
+ ;
+
+query_body
+ : opt_query_body_clauses select_or_group_clause opt_query_continuation
+ {
+ Linq.AQueryClause head = (Linq.AQueryClause)$2;
+
+ if ($3 != null)
+ head.Next = (Linq.AQueryClause)$3;
+
+ if ($1 != null) {
+ Linq.AQueryClause clause = (Linq.AQueryClause)$1;
+ clause.Tail.Next = head;
+ head = clause;
+ }
+
+ $$ = head;
+ }
+ ;
+
+select_or_group_clause
+ : SELECT expression
+ {
+ $$ = new Linq.Select ((Expression)$2, GetLocation ($1));
+ }
+ | GROUP expression BY expression
+ {
+ $$ = new Linq.GroupBy ((Expression)$2, (Expression)$4, GetLocation ($1));
+ }
+ ;
+
+opt_query_body_clauses
: /* empty */
- { $$ = lexer.Location; }
+ | query_body_clauses
+ ;
+
+query_body_clauses
+ : query_body_clause
+ | query_body_clauses query_body_clause
+ {
+ ((Linq.AQueryClause)$1).Tail.Next = (Linq.AQueryClause)$2;
+ $$ = $1;
+ }
+ ;
+
+query_body_clause
+ : from_clause
+ | let_clause
+ | where_clause
+ | join_clause
+ | orderby_clause
+ ;
+
+let_clause
+ : LET IDENTIFIER ASSIGN expression
+ {
+ LocatedToken lt = (LocatedToken) $2;
+ current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
+ lt.Value, lt.Location);
+ $$ = new Linq.Let (lt, (Expression)$4, GetLocation ($1));
+ }
+ ;
+where_clause
+ : WHERE boolean_expression
+ {
+ $$ = new Linq.Where ((Expression)$2, GetLocation ($1));
+ }
+ ;
+
+join_clause
+ : JOIN IDENTIFIER IN expression ON expression EQUALS expression opt_join_into
+ {
+ Location loc = GetLocation ($1);
+ LocatedToken lt = (LocatedToken) $2;
+ current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
+ lt.Value, lt.Location);
+
+ if ($9 == null) {
+ $$ = new Linq.Join (lt, (Expression)$4, (Expression)$6,
+ (Expression)$8, loc);
+ } else {
+ LocatedToken lt_into = (LocatedToken) $9;
+ $$ = new Linq.GroupJoin (lt, (Expression)$4, (Expression)$6,
+ (Expression)$8, lt_into, loc);
+ }
+ }
+ | JOIN type IDENTIFIER IN expression ON expression EQUALS expression opt_join_into
+ {
+ Location loc = GetLocation ($1);
+ LocatedToken lt = (LocatedToken) $3;
+ current_block.AddVariable ((Expression)$2, lt.Value, lt.Location);
+
+ Linq.Cast cast = new Linq.Cast ((Expression)$2, (Expression)$5);
+ if ($10 == null) {
+ $$ = new Linq.Join (lt, cast, (Expression)$7,
+ (Expression)$9, loc);
+ } else {
+ LocatedToken lt_into = (LocatedToken) $10;
+ $$ = new Linq.GroupJoin (lt, cast, (Expression)$7,
+ (Expression)$9, lt_into, loc);
+ }
+ }
+ ;
+
+opt_join_into
+ : /* empty */
+ | INTO IDENTIFIER
+ {
+ $$ = $2;
+ }
+ ;
+
+orderby_clause
+ : ORDERBY orderings
+ {
+ $$ = $2;
+ }
+ ;
+
+orderings
+ : order_by
+ | order_by COMMA orderings_then_by
+ {
+ ((Linq.AQueryClause)$1).Next = (Linq.AQueryClause)$3;
+ $$ = $1;
+ }
+ ;
+
+orderings_then_by
+ : then_by
+ {
+ $$ = $1;
+ }
+ | orderings_then_by COMMA then_by
+ {
+ ((Linq.AQueryClause)$1).Tail.Next = (Linq.AQueryClause)$3;
+ $$ = $1;
+ }
+ ;
+
+order_by
+ : expression
+ {
+ $$ = new Linq.OrderByAscending ((Expression)$1);
+ }
+ | expression ASCENDING
+ {
+ $$ = new Linq.OrderByAscending ((Expression)$1);
+ }
+ | expression DESCENDING
+ {
+ $$ = new Linq.OrderByDescending ((Expression)$1);
+ }
+ ;
+
+then_by
+ : expression
+ {
+ $$ = new Linq.ThenByAscending ((Expression)$1);
+ }
+ | expression ASCENDING
+ {
+ $$ = new Linq.ThenByAscending ((Expression)$1);
+ }
+ | expression DESCENDING
+ {
+ $$ = new Linq.ThenByDescending ((Expression)$1);
+ }
+ ;
+
+
+opt_query_continuation
+ : /* empty */
+ | INTO IDENTIFIER
+ {
+ // query continuation block is not linked with query block but with block
+ // before. This means each query can use same range variable names for
+ // different identifiers.
+
+ current_block.SetEndLocation (GetLocation ($1));
+ current_block = current_block.Parent;
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
+
+ LocatedToken lt = (LocatedToken) $2;
+ current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
+ lt.Value, lt.Location);
+ }
+ query_body
+ {
+ $$ = new Linq.QueryExpression ((LocatedToken) $2,
+ (Linq.AQueryClause)$4);
+ }
+ ;
+
%%
// <summary>
// </summary>
public class VariableDeclaration {
public string identifier;
- public object expression_or_array_initializer;
+ public Expression expression_or_array_initializer;
public Location Location;
public Attributes OptAttributes;
public string DocComment;
- public VariableDeclaration (string id, object eoai, Location l, Attributes opt_attrs)
+ public VariableDeclaration (LocatedToken lt, object eoai, Attributes opt_attrs)
{
- this.identifier = id;
- this.expression_or_array_initializer = eoai;
- this.Location = l;
+ this.identifier = lt.Value;
+ if (eoai is ArrayList) {
+ this.expression_or_array_initializer = new ArrayCreation (CSharpParser.current_array_type, "", (ArrayList)eoai, lt.Location);
+ } else {
+ this.expression_or_array_initializer = (Expression)eoai;
+ }
+ this.Location = lt.Location;
this.OptAttributes = opt_attrs;
}
- public VariableDeclaration (string id, object eoai, Location l) : this (id, eoai, l, null)
+ public VariableDeclaration (LocatedToken lt, object eoai) : this (lt, eoai, null)
{
}
}
-/// <summary>
-/// Used to pass around interface property information
-/// </summary>
-public class InterfaceAccessorInfo {
-
- public readonly Accessor Get, Set;
-
- public InterfaceAccessorInfo (bool has_get, bool has_set,
- Attributes get_attrs, Attributes set_attrs, int get_mod, int set_mod, Location get_loc, Location set_loc)
- {
- if (get_mod != 0)
- Report.Error (275, get_loc, "Accessibility modifiers can not be used on accessors in interfaces");
- if (set_mod != 0)
- Report.Error (275, set_loc, "Accessibility modifiers can not be used on accessors in interfaces");
-
- if (has_get)
- Get = new Accessor (null, 0, get_attrs, get_loc);
- if (has_set)
- Set = new Accessor (null, 0, set_attrs, set_loc);
- }
-
-}
-
-
// <summary>
// A class used to hold info about an indexer declarator
// </summary>
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;
}
}
//
-// We use this when we do not have an object in advance that is an IIteratorContainer
+// We use this when we do not have an object in advance that is an IAnonymousHost
//
-public class SimpleIteratorContainer : IIteratorContainer {
- public bool Yields;
+public class SimpleAnonymousHost : IAnonymousHost {
+ public static readonly SimpleAnonymousHost Simple = new SimpleAnonymousHost ();
- public static SimpleIteratorContainer Simple = new SimpleIteratorContainer ();
+ bool yields;
+ ArrayList anonymous_methods;
- //
- // Reset and return
- //
- public static SimpleIteratorContainer GetSimple () {
- Simple.Yields = false;
+ public static SimpleAnonymousHost GetSimple () {
+ Simple.yields = false;
+ Simple.anonymous_methods = null;
return Simple;
}
- public void SetYields () { Yields = true; }
+ public void SetYields ()
+ {
+ yields = true;
+ }
+
+ public void AddAnonymousMethod (AnonymousMethodExpression anonymous)
+ {
+ if (anonymous_methods == null)
+ anonymous_methods = new ArrayList ();
+ anonymous_methods.Add (anonymous);
+ }
+
+ public void Propagate (IAnonymousHost real_host)
+ {
+ if (yields)
+ real_host.SetYields ();
+ if (anonymous_methods != null) {
+ foreach (AnonymousMethodExpression ame in anonymous_methods)
+ real_host.AddAnonymousMethod (ame);
+ }
+ }
}
// <summary>
// A class used to hold info about an operator declarator
// </summary>
-public class OperatorDeclaration {
- public Operator.OpType optype;
- public Expression ret_type, arg1type, arg2type;
- public string arg1name, arg2name;
- public Location location;
+struct OperatorDeclaration {
+ public readonly Operator.OpType optype;
+ public readonly Expression ret_type;
+ public readonly Location location;
- public OperatorDeclaration (Operator.OpType op, Expression ret_type,
- Expression arg1type, string arg1name,
- Expression arg2type, string arg2name, Location location)
+ public OperatorDeclaration (Operator.OpType op, Expression ret_type, Location location)
{
optype = op;
this.ret_type = ret_type;
- this.arg1type = arg1type;
- this.arg1name = arg1name;
- this.arg2type = arg2type;
- this.arg2name = arg2name;
this.location = location;
}
-
}
-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");
+ expr.Error_InvalidExpressionStatement ();
}
}
-TypeContainer pop_current_class ()
+static void Error_ParameterModifierNotValid (string modifier, Location loc)
{
- TypeContainer retval = current_class;
+ Report.Error (631, loc, "The parameter modifier `{0}' is not valid in this context",
+ modifier);
+}
+
+static void Error_DuplicateParameterModifier (Location loc, Parameter.Modifier mod)
+{
+ Report.Error (1107, loc, "Duplicate parameter modifier `{0}'",
+ Parameter.GetModifierSignature (mod));
+}
+
+static void Error_TypeExpected (Location loc)
+{
+ Report.Error (1031, loc, "Type expected");
+}
+
+void push_current_class (TypeContainer tc, object partial_token)
+{
+ if (partial_token != null)
+ current_container = current_container.AddPartial (tc);
+ else
+ current_container = current_container.AddTypeContainer (tc);
+ current_class = tc;
+}
+
+DeclSpace pop_current_class ()
+{
+ DeclSpace retval = current_class;
current_class = current_class.Parent;
- current_container = current_container.Parent;
-
- if (current_class != current_container) {
- if (!(current_class is ClassPart) ||
- ((ClassPart) current_class).PartialContainer != current_container)
- throw new InternalErrorException ();
- } else if (current_container is ClassPart)
- current_container = ((ClassPart) current_class).PartialContainer;
+ current_container = current_class.PartialContainer;
return retval;
}
{
Namespace ns = current_namespace.NS;
- if (current_container.Name == ""){
- if (ns.Name != "")
+ if (current_container.Name.Length == 0){
+ if (ns.Name.Length != 0)
return new MemberName (ns.MemberName, class_name);
else
return class_name;
// int j = 1; int k = j + 1;
//
if (current_block.Used)
- implicit_block = new Block (current_block, Block.Flags.Implicit, loc, Location.Null);
+ implicit_block = new Block (current_block, loc, Location.Null);
else
implicit_block = current_block;
foreach (VariableDeclaration decl in inits){
Assign assign;
- Expression expr;
+ Expression expr = decl.expression_or_array_initializer;
- if (decl.expression_or_array_initializer is Expression){
- expr = (Expression) decl.expression_or_array_initializer;
-
- } else {
- ArrayList init = (ArrayList) decl.expression_or_array_initializer;
-
- expr = new ArrayCreation (type, "", init, decl.Location);
- }
-
LocalVariableReference var;
var = new LocalVariableReference (implicit_block, decl.identifier, loc);
assign = new Assign (var, expr, decl.Location);
- implicit_block.AddStatement (new StatementExpression (assign, lexer.Location));
+ implicit_block.AddStatement (new StatementExpression (assign));
}
return implicit_block;
Block implicit_block;
if (current_block.Used)
- implicit_block = new Block (current_block, Block.Flags.Implicit);
+ implicit_block = new Block (current_block);
else
implicit_block = current_block;
return implicit_block;
}
-void CheckAttributeTarget (string a)
+string CheckAttributeTarget (string a, Location l)
{
switch (a) {
-
case "assembly" : case "module" : case "field" : case "method" : case "param" : case "property" : case "type" :
- return;
-
- default :
- Location l = lexer.Location;
- Report.Error (658, l, "`" + a + "' is an invalid attribute target");
- break;
+ return a;
}
+ Report.Warning (658, 1, l,
+ "`{0}' is invalid attribute target. All attributes in this attribute section will be ignored", a);
+ return string.Empty;
}
-void CheckUnaryOperator (Operator.OpType op)
+static bool IsUnaryOperator (Operator.OpType op)
{
switch (op) {
case Operator.OpType.Decrement:
case Operator.OpType.True:
case Operator.OpType.False:
- case Operator.OpType.Addition:
- case Operator.OpType.Subtraction:
-
- break;
-
- default :
- Location l = lexer.Location;
- Report.Error (1019, l, "Overloadable unary operator expected");
- break;
-
+ case Operator.OpType.UnaryPlus:
+ case Operator.OpType.UnaryNegation:
+ return true;
}
-}
-
-void CheckBinaryOperator (Operator.OpType op)
-{
- switch (op) {
-
- case Operator.OpType.Addition:
- case Operator.OpType.Subtraction:
- case Operator.OpType.Multiply:
- case Operator.OpType.Division:
- case Operator.OpType.Modulus:
- case Operator.OpType.BitwiseAnd:
- case Operator.OpType.BitwiseOr:
- case Operator.OpType.ExclusiveOr:
- case Operator.OpType.LeftShift:
- case Operator.OpType.RightShift:
- case Operator.OpType.Equality:
- case Operator.OpType.Inequality:
- case Operator.OpType.GreaterThan:
- case Operator.OpType.LessThan:
- case Operator.OpType.GreaterThanOrEqual:
- case Operator.OpType.LessThanOrEqual:
- break;
-
- default :
- Location l = lexer.Location;
- Report.Error (1020, l, "Overloadable binary operator expected");
- break;
- }
-
+ return false;
}
void syntax_error (Location l, string msg)
}
}
+static CSharpParser ()
+{
+ oob_stack = new Stack ();
+}
+
public CSharpParser (SeekableStreamReader reader, SourceFile file, ArrayList defines)
{
- current_namespace = new NamespaceEntry (null, file, null, Location.Null);
this.name = file.Name;
this.file = file;
- current_container = RootContext.Tree.Types;
- // TODO: Make RootContext.Tree.Types a PartialContainer.
- current_class = current_container;
- current_container.NamespaceEntry = current_namespace;
- oob_stack = new Stack ();
- switch_stack = new Stack ();
-
+ current_namespace = new NamespaceEntry (null, file, null);
+ current_class = current_namespace.SlaveDeclSpace;
+ current_container = current_class.PartialContainer; // == RootContest.ToplevelTypes
+ oob_stack.Clear ();
lexer = new Tokenizer (reader, file, defines);
}
public void parse ()
{
+ int errors = Report.Errors;
try {
if (yacc_verbose_flag > 1)
yyparse (lexer, new yydebug.yyDebugSimple ());
Tokenizer tokenizer = lexer as Tokenizer;
tokenizer.cleanup ();
} catch (Exception e){
- //
+ //
// Removed for production use, use parser verbose to get the output.
//
// Console.WriteLine (e);
- Report.Error (-25, lexer.Location, "Parsing error");
+ if (Report.Errors == errors)
+ Report.Error (-25, lexer.Location, "Parsing error");
if (yacc_verbose_flag > 0)
Console.WriteLine (e);
}
- RootContext.Tree.Types.NamespaceEntry = null;
+ if (RootContext.ToplevelTypes.NamespaceEntry != null)
+ throw new InternalErrorException ("who set it?");
}
-void CheckToken (int error, int yyToken, string msg)
+static 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 ()));
- return;
- }
- Report.Error (error, lexer.Location, msg);
+ if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD)
+ Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ());
+ else
+ Report.Error (error, loc, msg);
}
-void CheckIdentifierToken (int yyToken)
+void CheckIdentifierToken (int yyToken, Location loc)
{
- CheckToken (1041, yyToken, "Identifier expected");
+ CheckToken (1041, yyToken, "Identifier expected", loc);
}
string ConsumeStoredComment ()
return s;
}
+Location GetLocation (object obj)
+{
+ 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;
+}
+
+void start_block (Location loc)
+{
+ if (current_block == null || parsing_anonymous_method) {
+ current_block = new ToplevelBlock (current_block, current_local_parameters, current_generic_method, loc);
+ parsing_anonymous_method = false;
+ } else {
+ current_block = new ExplicitBlock (current_block, loc, Location.Null);
+ }
+}
+
+Block
+end_block (Location loc)
+{
+ Block retval = current_block.Explicit;
+ retval.SetEndLocation (loc);
+ current_block = retval.Parent;
+ return retval;
+}
+
+void
+start_anonymous (bool lambda, Parameters parameters, Location loc)
+{
+ oob_stack.Push (current_anonymous_method);
+ oob_stack.Push (current_local_parameters);
+
+ current_local_parameters = parameters;
+
+ ToplevelBlock top_current_block = current_block == null ? null : current_block.Toplevel;
+
+ current_anonymous_method = lambda
+ ? new LambdaExpression (
+ current_anonymous_method, current_generic_method, current_container,
+ parameters, top_current_block, loc)
+ : new AnonymousMethodExpression (
+ current_anonymous_method, current_generic_method, current_container,
+ parameters, top_current_block, loc);
+
+ // Force the next block to be created as a ToplevelBlock
+ parsing_anonymous_method = true;
+}
+
+/*
+ * Completes the anonymous method processing, if lambda_expr is null, this
+ * means that we have a Statement instead of an Expression embedded
+ */
+AnonymousMethodExpression
+end_anonymous (ToplevelBlock anon_block, Location loc)
+{
+ AnonymousMethodExpression retval;
+
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotAvailable (loc, "anonymous methods");
+ retval = null;
+ } else {
+ current_anonymous_method.Block = anon_block;
+ if ((anonymous_host != null) && (current_anonymous_method.Parent == null))
+ anonymous_host.AddAnonymousMethod (current_anonymous_method);
+
+ retval = current_anonymous_method;
+ }
+
+ current_local_parameters = (Parameters) oob_stack.Pop ();
+ current_anonymous_method = (AnonymousMethodExpression) oob_stack.Pop ();
+
+ return retval;
+}
+
/* end end end */
}
projects / mono.git / blobdiff