/// assembly and module attribute definition is enabled
bool global_attrs_enabled = true;
+ bool has_get, has_set;
+
%}
%token EOF
using_namespace_directive
: USING namespace_name SEMICOLON
{
- current_namespace.Using ((string) $2, lexer.Location);
+ current_namespace.Using ((MemberName) $2, lexer.Location);
}
;
: opt_attributes NAMESPACE namespace_or_type_name
{
if ($1 != null) {
- Report.Error(1518, Lexer.Location, "Attributes cannot be applied to namespaces."
- + " Expected class, delegate, enum, interface, or struct");
+ Report.Error(1671, Lexer.Location, "A namespace declaration cannot have modifiers or attributes");
}
MemberName name = (MemberName) $3;
if (name.TypeArguments != null)
syntax_error (lexer.Location, "namespace name expected");
- else if ((current_namespace.Parent != null) && (name.Left != null)) {
- Report.Error (134, lexer.Location,
- "Cannot use qualified namespace names in nested " +
- "namespace declarations");
- }
current_namespace = new NamespaceEntry (
current_namespace, file, name.GetName (), lexer.Location);
if (name.TypeArguments != null)
syntax_error (lexer.Location, "namespace name expected");
- $$ = name.GetName ();
+ $$ = name;
}
;
opt_using_directives
opt_namespace_member_declarations
CLOSE_BRACE
- {
- }
;
opt_using_directives
namespace_member_declaration
: type_declaration
{
- string name = "";
- int mod_flags;
-
- if ($1 is Class){
- Class c = (Class) $1;
- mod_flags = c.ModFlags;
- name = c.Name;
- } else if ($1 is Struct){
- Struct s = (Struct) $1;
- mod_flags = s.ModFlags;
- name = s.Name;
- } else
- break;
+ if ($1 != null) {
+ DeclSpace ds = (DeclSpace)$1;
- if ((mod_flags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
- Report.Error (
- 1527, lexer.Location,
- "Namespace elements cant be explicitly " +
- "declared private or protected in `" + name + "'");
+ if ((ds.ModFlags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
+ Report.Error (1527, lexer.Location,
+ "Namespace elements cannot be explicitly declared as private, protected or protected internal");
+ }
}
current_namespace.DeclarationFound = true;
}
}
opt_attribute_arguments
{
+ Location loc = (Location) $2;
MemberName mname = (MemberName) $1;
if (mname.IsGeneric) {
Report.Error (404, lexer.Location,
"'<' unexpected: attributes cannot be generic");
}
- string name = mname.GetName ();
+ MemberName left = mname.Left;
+ string identifier = mname.Name;
+
+ Expression left_expr = left == null ? null : left.GetTypeExpression (loc);
+
if (current_attr_target == "assembly" || current_attr_target == "module")
- $$ = new GlobalAttribute (current_container, current_attr_target,
- name, (ArrayList) $3, (Location) $2);
+ $$ = new GlobalAttribute (current_class, current_attr_target,
+ left_expr, identifier, (ArrayList) $3, loc);
else
- $$ = new Attribute (current_attr_target, name, (ArrayList) $3,
- (Location) $2);
+ $$ = new Attribute (current_attr_target, left_expr, identifier, (ArrayList) $3, loc);
}
;
: opt_attributes
opt_modifiers
opt_partial
- STRUCT member_name
+ STRUCT
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
{
- MemberName name = MakeName ((MemberName) $5);
+ MemberName name = MakeName ((MemberName) $6);
bool partial = (bool) $3;
if (partial) {
ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_container, name, (int) $2,
+ 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_container, name, (int) $2,
+ current_namespace, current_class, name, (int) $2,
(Attributes) $1, lexer.Location);
+ current_container.AddClassOrStruct (current_class);
current_container = current_class;
- RootContext.Tree.RecordDecl (name.GetName (true), current_class);
+ RootContext.Tree.RecordDecl (name, current_class);
}
-
- lexer.ConstraintsParsing = true;
}
opt_class_base
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
- if ($7 != null)
- current_class.Bases = (ArrayList) $7;
+ if ($8 != null)
+ current_class.Bases = (ArrayList) $8;
- current_class.SetParameterInfo ((ArrayList) $8);
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null)
current_class.DocComment = Lexer.consume_doc_comment ();
-
- current_class.Register ();
}
struct_body
{
}
opt_semicolon
{
- $$ = current_class;
-
- current_container = current_container.Parent;
- current_class = current_container;
+ $$ = pop_current_class ();
}
| opt_attributes opt_modifiers opt_partial STRUCT error {
CheckIdentifierToken (yyToken);
int mod = (int) $2;
foreach (VariableDeclaration var in (ArrayList) $4){
- Location l = var.Location;
-
Field field = new Field (current_class, type, mod, var.identifier,
var.expression_or_array_initializer,
- (Attributes) $1, l);
+ (Attributes) $1, var.Location);
if (RootContext.Documentation != null) {
field.DocComment = Lexer.consume_doc_comment ();
current_container.AddField (field);
}
}
+ | opt_attributes
+ opt_modifiers
+ FIXED
+ type
+ fixed_variable_declarators
+ SEMICOLON
+ {
+ Expression type = (Expression) $4;
+ int mod = (int) $2;
+
+ foreach (VariableDeclaration var in (ArrayList) $5) {
+ FixedField field = new FixedField (current_class, type, mod, var.identifier,
+ (Expression)var.expression_or_array_initializer, (Attributes) $1, var.Location);
+
+ if (RootContext.Documentation != null) {
+ field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+ current_container.AddField (field);
+ }
+ }
| opt_attributes
opt_modifiers
VOID
}
;
+fixed_variable_declarators
+ : fixed_variable_declarator
+ {
+ ArrayList decl = new ArrayList (2);
+ decl.Add ($1);
+ $$ = decl;
+ }
+ | fixed_variable_declarators COMMA fixed_variable_declarator
+ {
+ ArrayList decls = (ArrayList) $1;
+ decls.Add ($3);
+ $$ = $1;
+ }
+ ;
+
+fixed_variable_declarator
+ : IDENTIFIER OPEN_BRACKET expression CLOSE_BRACKET
+ {
+ $$ = new VariableDeclaration ((string) $1, $3, lexer.Location);
+ }
+ ;
+
variable_declarators
: variable_declarator
{
ArrayList decl = new ArrayList (4);
- decl.Add ($1);
+ if ($1 != null)
+ decl.Add ($1);
$$ = decl;
}
| variable_declarators COMMA variable_declarator
{
$$ = new VariableDeclaration ((string) $1, null, lexer.Location);
}
+ | IDENTIFIER OPEN_BRACKET opt_expression CLOSE_BRACKET
+ {
+ Report.Error (650, lexer.Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
+ "To declare a fixed size buffer field, use the fixed keyword before the field type");
+ $$ = null;
+ }
;
variable_initializer
}
;
-opt_error_modifier
- : /* empty */
- | modifiers
- {
- int m = (int) $1;
- int i = 1;
-
- while (m != 0){
- if ((i & m) != 0){
- Report.Error (
- 1585, lexer.Location, "Member modifier `" +
- Modifiers.Name (i) + "' must precede member type and name");
- }
- m &= ~i;
- i = i << 1;
- }
- }
- ;
-
method_header
: opt_attributes
opt_modifiers
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
+ $$ = new Parameters (pars, null);
}
| fixed_parameters COMMA parameter_array
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, (Parameter) $3, lexer.Location);
+ $$ = new Parameters (pars, (Parameter) $3);
}
| fixed_parameters COMMA ARGLIST
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, true, lexer.Location);
+ $$ = new Parameters (pars, true);
+ }
+ | parameter_array COMMA fixed_parameters
+ {
+ Report.Error (231, lexer.Location, "A params parameter must be the last parameter in a formal parameter list");
+ $$ = null;
+ }
+ | ARGLIST COMMA fixed_parameters
+ {
+ Report.Error (257, lexer.Location, "An __arglist parameter must be the last parameter in a formal parameter list");
+ $$ = null;
}
| parameter_array
{
- $$ = new Parameters (null, (Parameter) $1, lexer.Location);
+ $$ = new Parameters (null, (Parameter) $1);
}
| ARGLIST
{
- $$ = new Parameters (null, true, lexer.Location);
+ $$ = new Parameters (null, true);
}
;
type
IDENTIFIER
{
- $$ = new Parameter ((Expression) $3, (string) $4, (Parameter.Modifier) $2, (Attributes) $1);
+ $$ = new Parameter ((Expression) $3, (string) $4, (Parameter.Modifier) $2, (Attributes) $1, lexer.Location);
+ }
+ | opt_attributes
+ opt_parameter_modifier
+ type
+ IDENTIFIER OPEN_BRACKET CLOSE_BRACKET
+ {
+ Report.Error (1552, lexer.Location, "Array type specifier, [], must appear before parameter name");
+ $$ = null;
}
| opt_attributes
opt_parameter_modifier
parameter_array
: opt_attributes PARAMS type IDENTIFIER
{
- $$ = new Parameter ((Expression) $3, (string) $4, Parameter.Modifier.PARAMS, (Attributes) $1);
+ $$ = new Parameter ((Expression) $3, (string) $4, Parameter.Modifier.PARAMS, (Attributes) $1, lexer.Location);
note ("type must be a single-dimension array type");
}
| opt_attributes PARAMS parameter_modifier type IDENTIFIER
accessor_declarations
{
lexer.PropertyParsing = false;
+ has_get = has_set = false;
}
CLOSE_BRACE
{
+ if ($8 == null)
+ break;
+
Property prop;
Pair pair = (Pair) $8;
Accessor get_block = (Accessor) pair.First;
if (name.TypeArguments != null)
syntax_error (lexer.Location, "a property can't have type arguments");
- prop = new Property (current_container, (Expression) $3, (int) $2, false,
+ prop = new Property (current_class, (Expression) $3, (int) $2, false,
name, (Attributes) $1, get_block, set_block, loc);
if (SimpleIteratorContainer.Simple.Yields)
prop.SetYields ();
;
accessor_declarations
- : get_accessor_declaration opt_set_accessor_declaration
- {
- $$ = new Pair ($1, $2);
- }
- | set_accessor_declaration opt_get_accessor_declaration
+ : get_accessor_declaration
+ {
+ $$ = new Pair ($1, null);
+ }
+ | get_accessor_declaration accessor_declarations
+ {
+ Pair pair = (Pair) $2;
+ pair.First = $1;
+ $$ = pair;
+ }
+ | set_accessor_declaration
+ {
+ $$ = new Pair (null, $1);
+ }
+ | set_accessor_declaration accessor_declarations
+ {
+ Pair pair = (Pair) $2;
+ pair.Second = $1;
+ $$ = pair;
+ }
+ | error
{
- $$ = new Pair ($2, $1);
+ Report.Error (1014, lexer.Location, "A get or set accessor expected");
+ $$ = null;
}
;
-opt_get_accessor_declaration
- : /* empty */ { $$ = null; }
- | get_accessor_declaration
- ;
-
-opt_set_accessor_declaration
- : /* empty */ { $$ = null; }
- | set_accessor_declaration
- ;
-
get_accessor_declaration
: opt_attributes opt_modifiers GET
{
}
accessor_body
{
+ if (has_get) {
+ Report.Error (1007, lexer.Location, "Property accessor already defined");
+ break;
+ }
$$ = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, lexer.Location);
+ has_get = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
Parameter [] args;
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, lexer.Location);
if (parsing_indexer == false) {
args = new Parameter [1];
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
} else {
Parameter [] fpars = indexer_parameters.FixedParameters;
} else
args = null;
current_local_parameters = new Parameters (
- args, indexer_parameters.ArrayParameter, lexer.Location);
+ args, indexer_parameters.ArrayParameter);
}
lexer.PropertyParsing = false;
}
accessor_body
{
+ if (has_set) {
+ Report.Error (1007, lexer.Location, "Property accessor already defined");
+ break;
+ }
$$ = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, lexer.Location);
+ has_set = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
: opt_attributes
opt_modifiers
opt_partial
- INTERFACE member_name
+ INTERFACE
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
{
- MemberName name = MakeName ((MemberName) $5);
+ MemberName name = MakeName ((MemberName) $6);
bool partial = (bool) $3;
if (partial) {
ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_container, name, (int) $2,
+ 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_container, name, (int) $2,
+ current_namespace, current_class, name, (int) $2,
(Attributes) $1, lexer.Location);
+ current_container.AddInterface (current_class);
current_container = current_class;
- RootContext.Tree.RecordDecl (name.GetName (true), current_class);
+ RootContext.Tree.RecordDecl (name, current_class);
}
-
- lexer.ConstraintsParsing = true;
}
opt_class_base
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
- if ($7 != null)
- current_class.Bases = (ArrayList) $7;
+ if ($8 != null)
+ current_class.Bases = (ArrayList) $8;
- current_class.SetParameterInfo ((ArrayList) $8);
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null) {
current_class.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
-
- current_class.Register ();
}
interface_body
{
}
opt_semicolon
{
- $$ = current_class;
-
- current_container = current_container.Parent;
- current_class = current_container;
+ $$ = pop_current_class ();
}
| opt_attributes opt_modifiers opt_partial INTERFACE error {
CheckIdentifierToken (yyToken);
interface_member_declaration
: interface_method_declaration
{
+ if ($1 == null)
+ break;
+
Method m = (Method) $1;
if (m.IsExplicitImpl)
}
| interface_property_declaration
{
+ if ($1 == null)
+ break;
+
Property p = (Property) $1;
if (p.IsExplicitImpl)
}
| interface_indexer_declaration
{
+ if ($1 == null)
+ break;
+
Indexer i = (Indexer) $1;
if (i.IsExplicitImpl)
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
+ | delegate_declaration
+ {
+ Report.Error (524, lexer.Location, "Interfaces can not declare delegates");
+ }
+ | class_declaration
+ {
+ Report.Error (524, lexer.Location, "Interfaces can not declare classes");
+ }
+ | struct_declaration
+ {
+ Report.Error (524, lexer.Location, "Interfaces can not declare structures");
+ }
+ | enum_declaration
+ {
+ Report.Error (524, lexer.Location, "Interfaces can not declare enumerations");
+ }
+ | interface_declaration
+ {
+ Report.Error (524, lexer.Location, "Interfaces can not declare interfaces");
+ }
+ | constant_declaration
+ {
+ Report.Error (525, lexer.Location, "Interfaces cannot contain constants");
+ }
;
opt_new
if (RootContext.Documentation != null)
((Method) $$).DocComment = Lexer.consume_doc_comment ();
}
+ | opt_attributes opt_new type namespace_or_type_name
+ OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ opt_type_parameter_constraints_clauses
+ OPEN_BRACE opt_statement_list CLOSE_BRACE
+ {
+ lexer.ConstraintsParsing = false;
+ Report.Error (531, lexer.Location, "'{0}': interface members cannot have a definition", $4);
+ $$ = null;
+ }
+
;
interface_property_declaration
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
+ if ($3 == TypeManager.system_void_expr) {
+ Report.Error (547, lexer.Location, "'{0}': property cannot have void type", $4);
+ break;
+ }
+
+ if ($7 == null)
+ break;
+
InterfaceAccessorInfo pinfo = (InterfaceAccessorInfo) $7;
$$ = new Property (current_class, (Expression) $3, (int) $2, true,
interface_accessors
: opt_attributes opt_modifiers GET SEMICOLON
{ $$ = 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
Report.Error (68, lexer.Location, "Event declarations on interfaces can not be initialized.");
$$ = null;
}
- | opt_attributes opt_new EVENT type IDENTIFIER OPEN_BRACE event_accessor_declarations CLOSE_BRACE {
- Report.Error (69, lexer.Location, "Event accessors not valid on interfaces");
+ | opt_attributes opt_new EVENT type IDENTIFIER OPEN_BRACE
+ {
+ lexer.EventParsing = true;
+ }
+ event_accessor_declarations
+ {
+ lexer.EventParsing = false;
+ }
+ CLOSE_BRACE {
+ Report.Error (69, lexer.Location, "Event in interface cannot have add or remove accessors");
$$ = null;
}
;
{ lexer.PropertyParsing = false; }
CLOSE_BRACE
{
+ if ($10 == null)
+ break;
+
InterfaceAccessorInfo info = (InterfaceAccessorInfo) $10;
$$ = new Indexer (current_class, (Expression) $3,
}
operator_body
{
+ if ($3 == null)
+ 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);
+ param_list[0] = new Parameter (decl.arg1type, decl.arg1name, Parameter.Modifier.NONE, null, decl.location);
if (decl.arg2type != null)
- param_list[1] = new Parameter (decl.arg2type, decl.arg2name, Parameter.Modifier.NONE, null);
+ param_list[1] = new Parameter (decl.arg2type, decl.arg2name, Parameter.Modifier.NONE, null, decl.location);
Operator op = new Operator (
current_class, decl.optype, decl.ret_type, (int) $2,
- new Parameters (param_list, null, decl.location),
+ new Parameters (param_list, null),
(ToplevelBlock) $5, (Attributes) $1, decl.location);
if (RootContext.Documentation != null) {
Parameter [] pars = new Parameter [1];
Expression type = (Expression) $5;
- pars [0] = new Parameter (type, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter (type, (string) $6, Parameter.Modifier.NONE, null, lexer.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
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);
+ pars [0] = new Parameter (typeL, (string) $6, Parameter.Modifier.NONE, null, lexer.Location);
+ pars [1] = new Parameter (typeR, (string) $9, Parameter.Modifier.NONE, null, lexer.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
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;
+ }
+ | type OPERATOR overloadable_operator
+ OPEN_PARENS CLOSE_PARENS
+ {
+ Report.Error (1535, lexer.Location, "Overloaded unary operator '{0}' takes one parameter", $3);
+ $$ = null;
+ }
;
overloadable_operator
{
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null, lexer.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
{
Parameter [] pars = new Parameter [1];
- pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null);
+ pars [0] = new Parameter ((Expression) $5, (string) $6, Parameter.Modifier.NONE, null, lexer.Location);
- current_local_parameters = new Parameters (pars, null, lexer.Location);
+ current_local_parameters = new Parameters (pars, null);
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS _mark_
{
- oob_stack.Push (lexer.Location);
-
current_local_parameters = (Parameters) $4;
}
opt_constructor_initializer
{
- Location l = (Location) oob_stack.Pop ();
$$ = new Constructor (current_class, (string) $1, 0, (Parameters) $4,
- (ConstructorInitializer) $7, l);
+ (ConstructorInitializer) $8, (Location) $6);
}
;
constructor_initializer
: COLON BASE OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorBaseInitializer ((ArrayList) $4, current_local_parameters, lexer.Location);
+ $$ = new ConstructorBaseInitializer ((ArrayList) $4, lexer.Location);
}
| COLON THIS OPEN_PARENS opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorThisInitializer ((ArrayList) $4, current_local_parameters, lexer.Location);
+ $$ = new ConstructorThisInitializer ((ArrayList) $4, lexer.Location);
}
| COLON error {
Report.Error (1018, lexer.Location, "Keyword this or base expected");
}
IDENTIFIER OPEN_PARENS CLOSE_PARENS block
{
- if ((string) $5 != current_container.Basename){
+ if ((string) $5 != current_container.MemberName.Name){
Report.Error (574, lexer.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");
Method d = new Destructor (
current_class, TypeManager.system_void_expr, m, "Finalize",
- new Parameters (null, null, l), (Attributes) $1, l);
+ new Parameters (null, null), (Attributes) $1, l);
if (RootContext.Documentation != null)
d.DocComment = ConsumeStoredComment ();
| opt_attributes
opt_modifiers
EVENT type namespace_or_type_name
- OPEN_BRACE
+ OPEN_BRACE _mark_
{
implicit_value_parameter_type = (Expression) $4;
lexer.EventParsing = true;
- oob_stack.Push (lexer.Location);
}
event_accessor_declarations
{
}
CLOSE_BRACE
{
- Location loc = (Location) oob_stack.Pop ();
+ Location loc = (Location) $7;
- if ($8 == null){
+ if ($9 == null){
Report.Error (65, lexer.Location, "Event must have both add and remove accesors");
$$ = null;
} else {
- Pair pair = (Pair) $8;
+ Pair pair = (Pair) $9;
MemberName name = (MemberName) $5;
Parameter [] args = new Parameter [1];
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, lexer.Location);
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
lexer.EventParsing = false;
}
block
Report.Error (73, lexer.Location, "Add or remove accessor must have a body");
$$ = null;
}
+ | opt_attributes modifiers ADD {
+ Report.Error (1609, lexer.Location, "Modifiers cannot be placed on event accessor declarations");
+ $$ = null;
+ }
;
remove_accessor_declaration
Parameter [] args = new Parameter [1];
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null);
+ Parameter.Modifier.NONE, null, lexer.Location);
args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args, null, lexer.Location);
+ current_local_parameters = new Parameters (args, null);
lexer.EventParsing = false;
}
block
Report.Error (73, lexer.Location, "Add or remove accessor must have a body");
$$ = null;
}
+ | opt_attributes modifiers REMOVE {
+ Report.Error (1609, lexer.Location, "Modifiers cannot be placed on event accessor declarations");
+ $$ = null;
+ }
;
indexer_declaration
: opt_attributes opt_modifiers indexer_declarator
- OPEN_BRACE
+ OPEN_BRACE _mark_
{
IndexerDeclaration decl = (IndexerDeclaration) $3;
parsing_indexer = true;
indexer_parameters = decl.param_list;
- oob_stack.Push (lexer.Location);
}
accessor_declarations
{
lexer.PropertyParsing = false;
+ has_get = has_set = false;
parsing_indexer = false;
}
CLOSE_BRACE
{
+ if ($7 == null)
+ break;
+
// The signature is computed from the signature of the indexer. Look
// at section 3.6 on the spec
- Location loc = (Location) oob_stack.Pop ();
+ Location loc = (Location) $5;
Indexer indexer;
IndexerDeclaration decl = (IndexerDeclaration) $3;
- Pair pair = (Pair) $6;
+ Pair pair = (Pair) $7;
Accessor get_block = (Accessor) pair.First;
Accessor set_block = (Accessor) pair.Second;
}
MemberName name = (MemberName) $2;
- if (name.TypeArguments != null)
- syntax_error (lexer.Location, "an indexer can't have type arguments");
$$ = new IndexerDeclaration ((Expression) $1, name, pars);
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
+ }
+
Location enum_location = lexer.Location;
- MemberName full_name = MakeName (new MemberName ((string) $4));
- Enum e = new Enum (current_namespace, current_container, (Expression) $5, (int) $2,
- full_name, (Attributes) $1, enum_location);
+ MemberName name = MakeName (new MemberName ((string) $5));
+ Enum e = new Enum (current_namespace, current_class, (Expression) $6, (int) $2,
+ name, (Attributes) $1, enum_location);
if (RootContext.Documentation != null)
e.DocComment = enumTypeComment;
- foreach (VariableDeclaration ev in (ArrayList) $7) {
+ foreach (VariableDeclaration ev in (ArrayList) $8) {
e.AddEnumMember (ev.identifier,
(Expression) ev.expression_or_array_initializer,
ev.Location, ev.OptAttributes,
ev.DocComment);
}
- string name = full_name.GetName ();
current_container.AddEnum (e);
RootContext.Tree.RecordDecl (name, e);
+ $$ = e;
}
;
delegate_declaration
: opt_attributes
opt_modifiers
- DELEGATE type member_name
+ DELEGATE
+ {
+ lexer.ConstraintsParsing = true;
+ }
+ type member_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
Location l = lexer.Location;
- MemberName name = MakeName ((MemberName) $5);
- Delegate del = new Delegate (current_namespace, current_container, (Expression) $4,
- (int) $2, name, (Parameters) $7, (Attributes) $1, l);
+ MemberName name = MakeName ((MemberName) $6);
+ Delegate del = new Delegate (current_namespace, current_class, (Expression) $5,
+ (int) $2, name, (Parameters) $8, (Attributes) $1, l);
if (RootContext.Documentation != null) {
del.DocComment = Lexer.consume_doc_comment ();
}
current_container.AddDelegate (del);
- RootContext.Tree.RecordDecl (name.GetName (true), del);
+ RootContext.Tree.RecordDecl (name, del);
current_delegate = del;
-
- lexer.ConstraintsParsing = true;
}
opt_type_parameter_constraints_clauses
{
}
SEMICOLON
{
- current_delegate.SetParameterInfo ((ArrayList) $9);
+ current_delegate.SetParameterInfo ((ArrayList) $10);
+ $$ = current_delegate;
current_delegate = null;
}
- | opt_attributes
- opt_modifiers
- DELEGATE VOID member_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- {
- Location l = lexer.Location;
- MemberName name = MakeName ((MemberName) $5);
- Delegate del = new Delegate (
- current_namespace, current_container,
- TypeManager.system_void_expr, (int) $2, name,
- (Parameters) $7, (Attributes) $1, l);
-
- if (RootContext.Documentation != null) {
- del.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- current_container.AddDelegate (del);
- RootContext.Tree.RecordDecl (name.GetName (true), del);
-
- current_delegate = del;
+ ;
- lexer.ConstraintsParsing = true;
- }
- opt_type_parameter_constraints_clauses
+opt_nullable
+ : /* empty */
{
- lexer.ConstraintsParsing = false;
+ lexer.CheckNullable (false);
+ $$ = false;
}
- SEMICOLON
+ | INTERR
{
- current_delegate.SetParameterInfo ((ArrayList) $9);
-
- current_delegate = null;
+ lexer.CheckNullable (true);
+ $$ = true;
}
;
* gets rid of a shift/reduce couple
*/
type
- : namespace_or_type_name
+ : namespace_or_type_name opt_nullable
{
$$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
+
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $$, "?", lexer.Location);
+ }
+ | builtin_types opt_nullable
+ {
+ if ((bool) $2)
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
}
- | builtin_types
| array_type
- | pointer_type
+ | pointer_type
;
-
pointer_type
: type STAR
{
;
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);
;
array_type
- : type rank_specifiers
+ : type rank_specifiers opt_nullable
{
- $$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
+ string rank_specifiers = (string) $2;
+ if ((bool) $3)
+ rank_specifiers += "?";
+
+ $$ = new ComposedCast ((Expression) $1, rank_specifiers, lexer.Location);
}
;
{
// 7.5.1: Literals
}
-
- | member_name
+ | member_name
{
$$ = ((MemberName) $1).GetTypeExpression (lexer.Location);
}
}
;
+opt_rank_specifier_or_nullable
+ : /* empty */
+ {
+ $$ = "";
+ }
+ | INTERR
+ {
+ $$ = "?";
+ }
+ | opt_nullable rank_specifiers
+ {
+ if ((bool) $1)
+ $$ = "?" + $2;
+ else
+ $$ = $2;
+ }
+ | opt_nullable rank_specifiers INTERR
+ {
+ if ((bool) $1)
+ $$ = "?" + $2 + "?";
+ else
+ $$ = $2 + "?";
+ }
+ ;
+
rank_specifiers
: rank_specifier opt_rank_specifier
{
;
anonymous_method_expression
- : DELEGATE opt_anonymous_method_signature {
+ : DELEGATE opt_anonymous_method_signature _mark_
+ {
oob_stack.Push (current_local_parameters);
current_local_parameters = (Parameters)$2;
// Force the next block to be created as a ToplevelBlock
oob_stack.Push (current_block);
oob_stack.Push (top_current_block);
- oob_stack.Push (lexer.Location);
current_block = null;
- } block {
- Location loc = (Location) oob_stack.Pop ();
+ }
+ block
+ {
+ Location loc = (Location) $3;
top_current_block = (Block) oob_stack.Pop ();
current_block = (Block) oob_stack.Pop ();
- if (RootContext.Version == LanguageVersion.ISO_1){
+ if (RootContext.Version == LanguageVersion.ISO_1){
Report.FeatureIsNotStandardized (lexer.Location, "anonymous methods");
$$ = null;
} else {
- ToplevelBlock anon_block = (ToplevelBlock) $4;
+ ToplevelBlock anon_block = (ToplevelBlock) $5;
anon_block.Parent = current_block;
$$ = new AnonymousMethod ((Parameters) $2, (ToplevelBlock) top_current_block,
ArrayList par_list = (ArrayList) $2;
Parameter [] pars = new Parameter [par_list.Count];
par_list.CopyTo (pars);
- $$ = new Parameters (pars, null, lexer.Location);
+ $$ = new Parameters (pars, null);
}
}
;
anonymous_method_parameter
: opt_parameter_modifier type IDENTIFIER {
- $$ = new Parameter ((Expression) $2, (string) $3, (Parameter.Modifier) $1, null);
+ $$ = new Parameter ((Expression) $2, (string) $3, (Parameter.Modifier) $1, null, lexer.Location);
}
| PARAMS type IDENTIFIER {
- Report.Error (-221, lexer.Location, "params modifier not allowed in anonymous method declaration");
+ Report.Error (1670, lexer.Location, "params modifier not allowed in anonymous method declaration");
$$ = null;
}
;
}
;
+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
$$ = new Binary (Binary.Operator.GreaterThanOrEqual,
(Expression) $1, (Expression) $3, lexer.Location);
}
- | relational_expression IS type
+ | relational_expression IS
{
- $$ = new Is ((Expression) $1, (Expression) $3, lexer.Location);
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
+ {
+ $$ = new Is ((Expression) $1, (Expression) $4, lexer.Location);
}
- | relational_expression AS type
+ | relational_expression AS
+ {
+ yyErrorFlag = 3;
+ } nullable_type_or_conditional
{
- $$ = new As ((Expression) $1, (Expression) $3, lexer.Location);
+ $$ = new As ((Expression) $1, (Expression) $4, lexer.Location);
}
;
{
$$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5, lexer.Location);
}
+ | conditional_or_expression INTERR INTERR expression
+ {
+ $$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $4, lexer.Location);
+ }
+ // We'll be resolved into a `parenthesized_expression_0' later on.
+ | conditional_or_expression INTERR CLOSE_PARENS
+ {
+ $$ = new ComposedCast ((Expression) $1, "?", lexer.Location);
+ lexer.PutbackCloseParens ();
+ }
;
assignment_expression
: opt_attributes
opt_modifiers
opt_partial
- CLASS member_name
+ CLASS
{
- MemberName name = MakeName ((MemberName) $5);
+ lexer.ConstraintsParsing = true;
+ }
+ member_name
+ {
+ MemberName name = MakeName ((MemberName) $6);
bool partial = (bool) $3;
int mod_flags = (int) $2;
if (partial) {
ClassPart part = PartialContainer.CreatePart (
- current_namespace, current_container, name, mod_flags,
+ current_namespace, current_class, name, mod_flags,
(Attributes) $1, Kind.Class, lexer.Location);
current_container = part.PartialContainer;
} else {
if ((mod_flags & Modifiers.STATIC) != 0) {
current_class = new StaticClass (
- current_namespace, current_container, name,
+ current_namespace, current_class, name,
mod_flags, (Attributes) $1, lexer.Location);
} else {
current_class = new Class (
- current_namespace, current_container, name,
+ current_namespace, current_class, name,
mod_flags, (Attributes) $1, lexer.Location);
}
+ current_container.AddClassOrStruct (current_class);
current_container = current_class;
- RootContext.Tree.RecordDecl (name.GetName (true), current_class);
+ RootContext.Tree.RecordDecl (name, current_class);
}
-
- lexer.ConstraintsParsing = true;
}
opt_class_base
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
- if ($7 != null) {
+ if ($8 != null) {
if (current_class.Name == "System.Object") {
Report.Error (537, current_class.Location,
"The class System.Object cannot have a base " +
"class or implement an interface.");
}
- current_class.Bases = (ArrayList) $7;
+ current_class.Bases = (ArrayList) $8;
}
- current_class.SetParameterInfo ((ArrayList) $8);
+ current_class.SetParameterInfo ((ArrayList) $9);
if (RootContext.Documentation != null) {
current_class.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
-
- current_class.Register ();
}
class_body
{
}
opt_semicolon
{
- $$ = current_class;
-
- current_container = current_container.Parent;
- current_class = current_container;
+ $$ = pop_current_class ();
}
;
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, current_local_parameters,
- lexer.Location, Location.Null);
+ current_block = new Block (current_block, lexer.Location, Location.Null);
}
}
opt_statement_list CLOSE_BRACE
* > 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.
$$ = new ComposedCast ((Expression) $1, (string) $2, lexer.Location);
}
}
- | builtin_types opt_rank_specifier
+ | builtin_types opt_rank_specifier_or_nullable
{
if ((string) $2 == "")
$$ = $1;
else
$$ = null;
}
- | local_variable_pointer_type opt_rank_specifier variable_declarators
+ | local_variable_pointer_type opt_rank_specifier_or_nullable variable_declarators
{
if ($1 != null){
Expression t;
;
if_statement
- : if_statement_open if_statement_rest
- {
- $$ = $2;
- }
- ;
-
-if_statement_open
- : IF OPEN_PARENS
- {
- oob_stack.Push (lexer.Location);
- }
- ;
-
-if_statement_rest
- : boolean_expression CLOSE_PARENS
+ : IF OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $3;
- $$ = new If ((Expression) $1, (Statement) $3, l);
+ $$ = new If ((Expression) $4, (Statement) $6, l);
if (RootContext.WarningLevel >= 4){
- if ($3 == EmptyStatement.Value)
+ if ($6 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
}
}
- | boolean_expression CLOSE_PARENS
+ | IF OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS
embedded_statement ELSE embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $3;
- $$ = new If ((Expression) $1, (Statement) $3, (Statement) $5, l);
+ $$ = new If ((Expression) $4, (Statement) $6, (Statement) $8, l);
}
;
switch_statement
- : SWITCH OPEN_PARENS
+ : SWITCH OPEN_PARENS _mark_
{
- oob_stack.Push (lexer.Location);
switch_stack.Push (current_block);
}
expression CLOSE_PARENS
switch_block
{
- $$ = new Switch ((Expression) $4, (ArrayList) $6, (Location) oob_stack.Pop ());
+ $$ = new Switch ((Expression) $5, (ArrayList) $7, (Location) $3);
current_block = (Block) switch_stack.Pop ();
}
;
;
while_statement
- : WHILE OPEN_PARENS
- {
- oob_stack.Push (lexer.Location);
- }
- boolean_expression CLOSE_PARENS embedded_statement
+ : WHILE OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $3;
$$ = new While ((Expression) $4, (Statement) $6, l);
if (RootContext.WarningLevel >= 4){
do_statement
: DO embedded_statement
- WHILE OPEN_PARENS {
- oob_stack.Push (lexer.Location);
- }
- boolean_expression CLOSE_PARENS SEMICOLON
+ WHILE OPEN_PARENS _mark_ boolean_expression CLOSE_PARENS SEMICOLON
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $5;
$$ = new Do ((Statement) $2, (Expression) $6, l);
}
for_statement
: FOR OPEN_PARENS
- opt_for_initializer SEMICOLON
+ opt_for_initializer SEMICOLON _mark_
{
Block assign_block = new Block (current_block);
current_block = assign_block;
LocalInfo vi;
- vi = current_block.AddVariable (
- type, decl.identifier, current_local_parameters, decl.Location);
+ vi = current_block.AddVariable (type, decl.identifier, decl.Location);
if (vi == null)
continue;
}
}
- $3 = null;
- }
- oob_stack.Push (lexer.Location);
+ // Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.
+ // This can be referred to as $6 below.
+ $$ = null;
+ } else {
+ $$ = $3;
+ }
}
opt_for_condition SEMICOLON
opt_for_iterator CLOSE_PARENS
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $5;
- For f = new For ((Statement) $3, (Expression) $6, (Statement) $8, (Statement) $10, l);
+ For f = new For ((Statement) $6, (Expression) $7, (Statement) $9, (Statement) $11, l);
if (RootContext.WarningLevel >= 4){
- if ($10 == EmptyStatement.Value)
+ if ($11 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
}
;
foreach_statement
- : FOREACH OPEN_PARENS type IDENTIFIER IN
- {
- oob_stack.Push (lexer.Location);
- }
+ : FOREACH OPEN_PARENS type IN expression CLOSE_PARENS
+ {
+ Report.Error (230, lexer.Location, "Type and identifier are both required in a foreach statement");
+ $$ = null;
+ }
+ | FOREACH OPEN_PARENS type IDENTIFIER IN _mark_
expression CLOSE_PARENS
{
- oob_stack.Push (current_block);
-
Block foreach_block = new Block (current_block);
- LocalVariableReference v = null;
+ current_block = foreach_block;
+
Location l = lexer.Location;
LocalInfo vi;
- vi = foreach_block.AddVariable ((Expression) $3, (string) $4, current_local_parameters, l);
+ vi = foreach_block.AddVariable ((Expression) $3, (string) $4, l);
if (vi != null) {
- vi.ReadOnly = true;
+ vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Foreach);
// Get a writable reference to this read-only variable.
- v = new LocalVariableReference (foreach_block, (string) $4, l, vi, false);
+ //
+ // Note that the $$ here refers to the value of _this_ code block,
+ // not the value of the LHS non-terminal. This can be referred to as $9 below.
+ $$ = new LocalVariableReference (foreach_block, (string) $4, l, vi, false);
+ } else {
+ $$ = null;
}
- current_block = foreach_block;
-
- oob_stack.Push (v);
- oob_stack.Push (current_block);
}
embedded_statement
{
- Block foreach_block = (Block) oob_stack.Pop ();
- LocalVariableReference v = (LocalVariableReference) oob_stack.Pop ();
- Block prev_block = (Block) oob_stack.Pop ();
- Location l = (Location) oob_stack.Pop ();
-
- current_block = prev_block;
+ LocalVariableReference v = (LocalVariableReference) $9;
+ Location l = (Location) $6;
if (v != null) {
Foreach f = new Foreach ((Expression) $3, v, (Expression) $7, (Statement) $10, l);
- foreach_block.AddStatement (f);
+ current_block.AddStatement (f);
}
- $$ = foreach_block;
+ while (current_block.Implicit)
+ current_block = current_block.Parent;
+ $$ = current_block;
+ current_block = current_block.Parent;
}
;
goto_statement
: GOTO IDENTIFIER SEMICOLON
{
- $$ = new Goto (current_block, (string) $2, lexer.Location);
+ $$ = new Goto ((string) $2, lexer.Location);
}
| GOTO CASE constant_expression SEMICOLON
{
$$ = new Yield ((Expression) $3, lexer.Location);
}
}
+ | IDENTIFIER RETURN SEMICOLON
+ {
+ Report.Error (1627, lexer.Location, "Expression expected after yield return");
+ $$ = null;
+ }
| IDENTIFIER BREAK SEMICOLON
{
string s = (string) $1;
one.Add (new VariableDeclaration (id, null, loc));
- $1 = current_block;
current_block = new Block (current_block);
Block b = declare_local_variables (type, one, loc);
current_block = b;
type = (Expression) cc.Key;
id = (string) cc.Value;
- if ($1 != null){
- //
- // FIXME: I can change this for an assignment.
- //
- while (current_block != (Block) $1)
+ if (id != null){
+ while (current_block.Implicit)
current_block = current_block.Parent;
+ current_block = current_block.Parent;
}
}
-
- $$ = new Catch (type, id , (Block) $4, ((Block) $4).loc);
+ $$ = new Catch (type, id, (Block) $4, ((Block) $4).loc);
}
;
{
if (!RootContext.Unsafe){
Report.Error (227, lexer.Location,
- "Unsafe code can only be used if --unsafe is used");
+ "Unsafe code can only be used if -unsafe is used");
}
} block {
$$ = new Unsafe ((Block) $3);
fixed_statement
: FIXED OPEN_PARENS
type fixed_pointer_declarators
- CLOSE_PARENS
+ CLOSE_PARENS _mark_
{
ArrayList list = (ArrayList) $4;
Expression type = (Expression) $3;
Pair p = (Pair) list [i];
LocalInfo v;
- v = current_block.AddVariable (type, (string) p.First,current_local_parameters, l);
+ v = current_block.AddVariable (type, (string) p.First, l);
if (v == null)
continue;
- v.ReadOnly = true;
+ v.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
v.Pinned = true;
p.First = v;
list [i] = p;
}
-
- oob_stack.Push (l);
}
embedded_statement
{
- Location l = (Location) oob_stack.Pop ();
+ Location l = (Location) $6;
- Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $7, l);
+ Fixed f = new Fixed ((Expression) $3, (ArrayList) $4, (Statement) $8, l);
if (RootContext.WarningLevel >= 4){
- if ($7 == EmptyStatement.Value)
+ if ($8 == EmptyStatement.Value)
Report.Warning (642, lexer.Location, "Possible mistaken empty statement");
}
;
using_statement
- : USING OPEN_PARENS resource_acquisition CLOSE_PARENS
+ : USING OPEN_PARENS resource_acquisition CLOSE_PARENS _mark_
{
Block assign_block = new Block (current_block);
current_block = assign_block;
- oob_stack.Push (lexer.Location);
-
if ($3 is DictionaryEntry){
DictionaryEntry de = (DictionaryEntry) $3;
Location l = lexer.Location;
foreach (VariableDeclaration decl in var_declarators){
- LocalInfo vi = current_block.AddVariable (
- type, decl.identifier,
- current_local_parameters, decl.Location);
+ LocalInfo vi = current_block.AddVariable (type, decl.identifier, decl.Location);
if (vi == null)
continue;
- vi.ReadOnly = true;
+ vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Using);
Expression expr;
if (decl.expression_or_array_initializer is Expression){
// Assign a = new Assign (var, expr, decl.Location);
// assign_block.AddStatement (new StatementExpression (a, lexer.Location));
}
- $3 = new DictionaryEntry (type, vars);
+
+ // Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.
+ // It can be referred to as $6 below.
+ $$ = new DictionaryEntry (type, vars);
+ } else {
+ $$ = $3;
}
}
embedded_statement
{
- Using u = new Using ($3, (Statement) $6, (Location) oob_stack.Pop ());
+ Using u = new Using ($6, (Statement) $7, (Location) $5);
current_block.AddStatement (u);
while (current_block.Implicit)
current_block = current_block.Parent;
| expression
;
+// Utility rule to save location information
+_mark_
+ : /* empty */
+ { $$ = lexer.Location; }
+
%%
// <summary>
}
}
+TypeContainer pop_current_class ()
+{
+ TypeContainer retval = current_class;
+
+ current_class = current_class.Parent;
+ current_container = current_container.Parent;
+
+ if (current_class != current_container) {
+ if (!(current_class is ClassPart) ||
+ ((ClassPart) current_class).PartialContainer != current_container)
+ throw new InternalErrorException ();
+ } else if (current_container is ClassPart)
+ current_container = ((ClassPart) current_class).PartialContainer;
+
+ return retval;
+}
+
// <summary>
// Given the @class_name name, it creates a fully qualified name
// based on the containing declaration space
MemberName
MakeName (MemberName class_name)
{
- string ns = current_namespace.FullName;
+ Namespace ns = current_namespace.NS;
if (current_container.Name == ""){
- if (ns != "")
- return new MemberName (new MemberName (ns), class_name);
+ if (ns.Name != "")
+ return new MemberName (ns.MemberName, class_name);
else
return class_name;
} else {
foreach (VariableDeclaration decl in variable_declarators){
- if (implicit_block.AddVariable (type, decl.identifier, current_local_parameters, decl.Location) != null) {
+ if (implicit_block.AddVariable (type, decl.identifier, decl.Location) != null) {
if (decl.expression_or_array_initializer != null){
if (inits == null)
inits = new ArrayList (4);
implicit_block = current_block;
foreach (VariableDeclaration decl in declarators){
- implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer,
- current_local_parameters, decl.Location);
+ implicit_block.AddConstant (type, decl.identifier, (Expression) decl.expression_or_array_initializer, decl.Location);
}
return implicit_block;
Report.Error (1003, l, "Syntax error, " + msg);
}
-void output (string s)
-{
- Console.WriteLine (s);
-}
-
void note (string s)
{
// Used to put annotations
this.name = file.Name;
this.file = file;
current_container = RootContext.Tree.Types;
+ // TODO: Make RootContext.Tree.Types a PartialContainer.
+ current_class = current_container;
current_container.NamespaceEntry = current_namespace;
oob_stack = new Stack ();
switch_stack = new Stack ();
else
yyparse (lexer);
Tokenizer tokenizer = lexer as Tokenizer;
- tokenizer.cleanup ();
+ tokenizer.cleanup ();
} catch (Exception e){
//
// Removed for production use, use parser verbose to get the output.
if (yacc_verbose_flag > 0)
Console.WriteLine (e);
}
+
+ RootContext.Tree.Types.NamespaceEntry = null;
}
void CheckToken (int error, int yyToken, string msg)
projects / mono.git / blobdiff