DeclSpace current_class;
PropertyBase current_property;
EventProperty current_event;
+ EventField current_event_field;
+ FieldBase current_field;
/// <summary>
/// Current block is used to add statements as we find
/// them.
/// </summary>
Block current_block;
+
+ BlockVariableDeclaration current_variable;
Delegate current_delegate;
///
static Stack<object> oob_stack;
- ///
- /// Switch stack.
- ///
- Stack<Block> switch_stack;
-
///
/// Controls the verbosity of the errors produced by the parser
///
/// When using the interactive parser, this holds the
/// resulting expression
- public object InteractiveResult;
+ public Class InteractiveResult;
//
// Keeps track of global data changes to undo on parser error
Stack<Linq.QueryBlock> linq_clause_blocks;
- // A counter to create new class names in interactive mode
- static int class_count;
+ ModuleContainer module;
- CompilerContext compiler;
+ readonly CompilerContext compiler;
+ readonly LanguageVersion lang_version;
+ readonly bool doc_support;
+ readonly CompilerSettings settings;
//
// Instead of allocating carrier array everytime we
// be recursive
//
static List<Parameter> parameters_bucket = new List<Parameter> (6);
- static List<object> variables_bucket = new List<object> (6);
//
// Full AST support members
%token INTO
%token INTERR_NULLABLE
%token EXTERN_ALIAS
-
-/* Generics <,> tokens */
-%token OP_GENERICS_LT
-%token OP_GENERICS_LT_DECL
-%token OP_GENERICS_GT
+%token ASYNC
/* C# keywords which are not really keywords */
%token GET
%token OP_PTR
%token OP_COALESCING
+/* Generics <,> tokens */
+%token OP_GENERICS_LT
+%token OP_GENERICS_LT_DECL
+%token OP_GENERICS_GT
+
%token LITERAL
%token IDENTIFIER
string s = lt.Value;
if (s != "alias"){
syntax_error (lt.Location, "`alias' expected");
- } else if (RootContext.Version == LanguageVersion.ISO_1) {
- Report.FeatureIsNotAvailable (lt.Location, "external alias");
+ } else if (lang_version == LanguageVersion.ISO_1) {
+ FeatureIsNotAvailable (lt.Location, "external alias");
} else {
lt = (Tokenizer.LocatedToken) $3;
current_namespace.AddUsingExternalAlias (lt.Value, lt.Location, Report);
using_directive
: using_alias_directive
{
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
| using_namespace_directive
{
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
: USING IDENTIFIER ASSIGN namespace_or_type_name SEMICOLON
{
var lt = (Tokenizer.LocatedToken) $2;
+ if (lang_version != LanguageVersion.ISO_1 && lt.Value == "global") {
+ Report.Warning (440, 2, lt.Location,
+ "An alias named `global' will not be used when resolving `global::'. The global namespace will be used instead");
+ }
+
current_namespace.AddUsingAlias (lt.Value, (MemberName) $4, GetLocation ($1));
}
- | USING error {
- CheckIdentifierToken (yyToken, GetLocation ($2));
+ | USING error
+ {
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
Report.Error(1671, name.Location, "A namespace declaration cannot have modifiers or attributes");
}
- current_namespace = new NamespaceEntry (
+ current_namespace = new NamespaceEntry (module,
current_namespace, file, name.GetName ());
current_class = current_namespace.SlaveDeclSpace;
current_container = current_class.PartialContainer;
}
| error
{
- syntax_error (lexer.Location, "`.' expected");
+ Error_SyntaxError (yyToken);
$$ = new MemberName ("<invalid>", lexer.Location);
}
;
namespace_body
: OPEN_BRACE
{
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
- namespace_body_body
- ;
-
-namespace_body_body
- : opt_extern_alias_directives
+ opt_extern_alias_directives
opt_using_directives
opt_namespace_member_declarations
CLOSE_BRACE
- | error
- {
- Report.Error (1518, lexer.Location, "Expected `class', `delegate', `enum', `interface', or `struct'");
- }
- CLOSE_BRACE
- | opt_extern_alias_directives
- opt_using_directives
- opt_namespace_member_declarations
- EOF
- {
- Report.Error (1513, lexer.Location, "Expected `}'");
- }
;
opt_using_directives
}
current_namespace.DeclarationFound = true;
}
- | namespace_declaration {
+ | namespace_declaration
+ {
current_namespace.DeclarationFound = true;
}
-
- | field_declaration {
- Report.Error (116, ((MemberCore) $1).Location, "A namespace can only contain types and namespace declarations");
- }
- | method_declaration {
- Report.Error (116, ((MemberCore) $1).Location, "A namespace can only contain types and namespace declarations");
- }
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ }
;
type_declaration
if ($1 != null) {
Attributes attrs = (Attributes)$1;
if (global_attrs_enabled) {
- CodeGen.Assembly.AddAttributes (attrs.Attrs, current_namespace);
+ module.AddAttributes (attrs.Attrs, current_namespace);
} 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");
var sect = (List<Attribute>) $1;
if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- current_container.Module.Compiled.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target != null && current_attr_target.Length > 0) {
- CodeGen.Assembly.AddAttributes (sect, current_namespace);
+ if (!string.IsNullOrEmpty (current_attr_target)) {
+ module.AddAttributes (sect, current_namespace);
$$ = null;
} else {
$$ = new Attributes (sect);
}
if ($$ == null) {
- if (RootContext.Documentation != null) {
+ if (doc_support) {
Lexer.check_incorrect_doc_comment ();
Lexer.doc_state =
XmlCommentState.Allowed;
var sect = (List<Attribute>) $2;
if (global_attrs_enabled) {
- if (current_attr_target == "module") {
- current_container.Module.Compiled.AddAttributes (sect);
- $$ = null;
- } else if (current_attr_target == "assembly") {
- CodeGen.Assembly.AddAttributes (sect, current_namespace);
+ if (!string.IsNullOrEmpty (current_attr_target)) {
+ module.AddAttributes (sect);
$$ = null;
} else {
if (attrs == null)
else if (global_attrs_enabled && (current_attr_target == "assembly" || current_attr_target == "module"))
// FIXME: supply "nameEscaped" parameter here.
$$ = new GlobalAttribute (current_namespace, current_attr_target,
- expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
+ expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname));
else
- $$ = new Attribute (current_attr_target, expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
+ $$ = new Attribute (current_attr_target, expr, arguments, mname.Location, lexer.IsEscapedIdentifier (mname));
}
;
named_argument
: IDENTIFIER COLON opt_named_modifier expression
{
- if (RootContext.Version <= LanguageVersion.V_3)
- Report.FeatureIsNotAvailable (GetLocation ($1), "named argument");
+ if (lang_version <= LanguageVersion.V_3)
+ FeatureIsNotAvailable (GetLocation ($1), "named argument");
// Avoid boxing in common case (no modifier)
var arg_mod = $3 == null ? Argument.AType.None : (Argument.AType) $3;
current_class.SetParameterInfo ((List<Constraints>) $9);
- if (RootContext.Documentation != null)
+ if (doc_support)
current_container.DocComment = Lexer.consume_doc_comment ();
+
+ lbag.AddMember (current_class, mod_locations, GetLocation ($4));
}
struct_body
{
--lexer.parsing_declaration;
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
opt_semicolon
{
+ lbag.AppendToMember (current_class, GetLocation ($13));
$$ = pop_current_class ();
}
- | opt_attributes opt_modifiers opt_partial STRUCT error {
- CheckIdentifierToken (yyToken, GetLocation ($5));
+ | opt_attributes opt_modifiers opt_partial STRUCT error
+ {
+ Error_SyntaxError (yyToken);
}
;
struct_body
: OPEN_BRACE
{
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
opt_struct_member_declarations CLOSE_BRACE
+ {
+ lbag.AppendToMember (current_class, GetLocation ($1), GetLocation ($4));
+ }
;
opt_struct_member_declarations
*/
| destructor_declaration
;
-
+
constant_declaration
: opt_attributes
opt_modifiers
- CONST
- type
- constant_declarators
- SEMICOLON
+ CONST type IDENTIFIER
{
- var modflags = (Modifiers) $2;
- foreach (VariableDeclaration constant in (List<object>) $5){
- Location l = constant.Location;
- if ((modflags & Modifiers.STATIC) != 0) {
- Report.Error (504, l, "The constant `{0}' cannot be marked static", current_container.GetSignatureForError () + "." + (string) constant.identifier);
- continue;
- }
-
- Const c = new Const (
- current_class, (FullNamedExpression) $4, (string) constant.identifier,
- constant.GetInitializer ((FullNamedExpression) $4), modflags,
- (Attributes) $1, l);
-
- if (RootContext.Documentation != null) {
- c.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- current_container.AddConstant (c);
- lbag.AddMember (c, mod_locations, GetLocation ($3), GetLocation ($6));
+ var lt = (Tokenizer.LocatedToken) $5;
+ var mod = (Modifiers) $2;
+ current_field = new Const (current_class, (FullNamedExpression) $4, mod, new MemberName (lt.Value, lt.Location), (Attributes) $1);
+ current_container.AddConstant ((Const) current_field);
+
+ if ((mod & Modifiers.STATIC) != 0) {
+ Report.Error (504, current_field.Location, "The constant `{0}' cannot be marked static", current_field.GetSignatureForError ());
+ }
+
+ $$ = current_field;
+ }
+ constant_initializer opt_constant_declarators SEMICOLON
+ {
+ if (doc_support) {
+ current_field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
}
+
+ current_field.Initializer = (ConstInitializer) $7;
+ lbag.AddMember (current_field, mod_locations, GetLocation ($3), GetLocation ($9));
+ current_field = null;
}
;
-
+
+opt_constant_declarators
+ : /* empty */
+ | constant_declarators
+ ;
+
constant_declarators
- : constant_declarator
+ : constant_declarator
{
- variables_bucket.Clear ();
- if ($1 != null)
- variables_bucket.Add ($1);
- $$ = variables_bucket;
+ current_field.AddDeclarator ((FieldDeclarator) $1);
}
- | constant_declarators COMMA constant_declarator
+ | constant_declarators constant_declarator
{
- if ($3 != null) {
- var constants = (List<object>) $1;
- constants.Add ($3);
- }
+ current_field.AddDeclarator ((FieldDeclarator) $2);
}
;
-
+
constant_declarator
- : IDENTIFIER ASSIGN
+ : COMMA IDENTIFIER constant_initializer
{
- ++lexer.parsing_block;
- }
- constant_initializer
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), (ConstInitializer) $3);
+ lbag.AddLocation ($$, GetLocation ($1));
+ }
+ ;
+
+constant_initializer
+ : ASSIGN
{
- --lexer.parsing_block;
- $$ = new VariableDeclaration ((Tokenizer.LocatedToken) $1, (Expression) $4);
+ ++lexer.parsing_block;
}
- | IDENTIFIER
+ constant_initializer_expr
{
- // A const field requires a value to be provided
- Report.Error (145, GetLocation ($1), "A const field requires a value to be provided");
- $$ = null;
+ --lexer.parsing_block;
+ $$ = new ConstInitializer (current_field, (Expression) $3, GetLocation ($1));
}
+ | error
+ {
+ Report.Error (145, lexer.Location, "A const field requires a value to be provided");
+ $$ = null;
+ }
;
-constant_initializer
+constant_initializer_expr
: constant_expression
| array_initializer
;
field_declaration
: opt_attributes
opt_modifiers
- member_type
- variable_declarators
- SEMICOLON
- {
+ member_type IDENTIFIER
+ {
+ lexer.parsing_generic_declaration = false;
+
FullNamedExpression type = (FullNamedExpression) $3;
if (type.Type == TypeManager.void_type)
Report.Error (670, GetLocation ($3), "Fields cannot have void type");
-
- var mod = (Modifiers) $2;
-
- foreach (VariableMemberDeclaration var in (List<object>) $4){
- Field field = new Field (current_class, type, mod, var.MemberName, (Attributes) $1);
-
- field.Initializer = var.GetInitializer (type);
-
- if (RootContext.Documentation != null) {
- field.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- current_container.AddField (field);
- lbag.AddMember (field, mod_locations, GetLocation ($5));
- $$ = field; // FIXME: might be better if it points to the top item
+ var lt = (Tokenizer.LocatedToken) $4;
+ current_field = new Field (current_class, type, (Modifiers) $2, new MemberName (lt.Value, lt.Location), (Attributes) $1);
+ current_container.AddField (current_field);
+ $$ = current_field;
+ }
+ opt_field_initializer
+ opt_field_declarators
+ SEMICOLON
+ {
+ if (doc_support) {
+ current_field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
}
+
+ lbag.AddMember (current_field, mod_locations, GetLocation ($8));
+ $$ = current_field;
+ current_field = null;
}
| opt_attributes
opt_modifiers
- FIXED simple_type
- fixed_variable_declarators
- SEMICOLON
+ FIXED simple_type IDENTIFIER
{
- FullNamedExpression type = (FullNamedExpression) $4;
- var mod = (Modifiers) $2;
-
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($3), "fixed size buffers");
-
- foreach (VariableDeclaration var in (List<VariableDeclaration>) $5) {
- FixedField field = new FixedField (current_class, type, mod, var.identifier,
- var.GetInitializer (type), (Attributes) $1, var.Location);
-
- if (RootContext.Documentation != null) {
- field.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- current_container.AddField (field);
- lbag.AddMember (field, mod_locations, GetLocation ($3), GetLocation ($6));
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($3), "fixed size buffers");
+
+ var lt = (Tokenizer.LocatedToken) $5;
+ current_field = new FixedField (current_class, (FullNamedExpression) $4, (Modifiers) $2,
+ new MemberName (lt.Value, lt.Location), (Attributes) $1);
- $$ = field; // FIXME: might be better if it points to the top item
- }
+ current_container.AddField (current_field);
+ }
+ fixed_field_size opt_fixed_field_declarators SEMICOLON
+ {
+ if (doc_support) {
+ current_field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+
+ current_field.Initializer = (ConstInitializer) $7;
+ lbag.AddMember (current_field, mod_locations, GetLocation ($9));
+ $$ = current_field;
+ current_field = null;
}
| opt_attributes
opt_modifiers
- FIXED simple_type
- error
+ FIXED simple_type error
SEMICOLON
{
Report.Error (1641, GetLocation ($5), "A fixed size buffer field must have the array size specifier after the field name");
}
;
-
-fixed_variable_declarators
- : fixed_variable_declarator
- {
- var decl = new List<VariableDeclaration> (2);
- decl.Add ((VariableDeclaration)$1);
- $$ = decl;
- }
- | fixed_variable_declarators COMMA fixed_variable_declarator
- {
- var decls = (List<VariableDeclaration>) $1;
- decls.Add ((VariableDeclaration)$3);
- $$ = $1;
- }
- ;
-
-fixed_variable_declarator
- : IDENTIFIER OPEN_BRACKET expression CLOSE_BRACKET
+
+opt_field_initializer
+ : /* empty */
+ | ASSIGN
{
- $$ = new VariableDeclaration ((Tokenizer.LocatedToken) $1, (Expression) $3);
+ ++lexer.parsing_block;
+ current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
+ start_block (GetLocation ($1));
}
- | IDENTIFIER OPEN_BRACKET error
+ variable_initializer
{
- Report.Error (443, lexer.Location, "Value or constant expected");
- $$ = new VariableDeclaration ((Tokenizer.LocatedToken) $1, null);
+ --lexer.parsing_block;
+ current_field.Initializer = (Expression) $3;
+ end_block (lexer.Location);
+ current_local_parameters = null;
}
;
+opt_field_declarators
+ : /* empty */
+ | field_declarators
+ ;
-local_variable_declarators
- : local_variable_declarator
+field_declarators
+ : field_declarator
{
- variables_bucket.Clear ();
- if ($1 != null)
- variables_bucket.Add ($1);
- $$ = variables_bucket;
+ current_field.AddDeclarator ((FieldDeclarator) $1);
}
- | local_variable_declarators COMMA local_variable_declarator
+ | field_declarators field_declarator
{
- var decls = (List<object>) $1;
- decls.Add ($3);
- lbag.AppendTo ($3, GetLocation ($2));
- $$ = $1;
+ current_field.AddDeclarator ((FieldDeclarator) $2);
}
;
-local_variable_declarator
- : IDENTIFIER ASSIGN local_variable_initializer
+field_declarator
+ : COMMA IDENTIFIER
{
- $$ = new VariableDeclaration ((Tokenizer.LocatedToken) $1, (Expression) $3);
- lbag.AddLocation ($$, GetLocation ($2));
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), null);
+ lbag.AddLocation ($$, GetLocation ($1));
}
- | IDENTIFIER
+ | COMMA IDENTIFIER ASSIGN
{
- $$ = new VariableDeclaration ((Tokenizer.LocatedToken) $1, null);
+ ++lexer.parsing_block;
}
- | IDENTIFIER variable_bad_array
+ variable_initializer
{
- $$ = null;
+ --lexer.parsing_block;
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), (Expression) $5);
+ lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3));
}
- ;
+ ;
-local_variable_initializer
- : expression
- | array_initializer
- | STACKALLOC simple_type OPEN_BRACKET_EXPR expression CLOSE_BRACKET
- {
- $$ = new StackAlloc ((Expression) $2, (Expression) $4, GetLocation ($1));
- lbag.AddLocation ($$, GetLocation ($3), GetLocation ($5));
- }
- | ARGLIST
+opt_fixed_field_declarators
+ : /* empty */
+ | fixed_field_declarators
+ ;
+
+fixed_field_declarators
+ : fixed_field_declarator
{
- $$ = new ArglistAccess (GetLocation ($1));
+ current_field.AddDeclarator ((FieldDeclarator) $1);
}
- | STACKALLOC simple_type
+ | fixed_field_declarators fixed_field_declarator
{
- Report.Error (1575, GetLocation ($1), "A stackalloc expression requires [] after type");
- $$ = new StackAlloc ((Expression) $2, null, GetLocation ($1));
+ current_field.AddDeclarator ((FieldDeclarator) $2);
}
;
-
-variable_declarators
- : variable_declarator
- {
- variables_bucket.Clear ();
- if ($1 != null)
- variables_bucket.Add ($1);
- $$ = variables_bucket;
- }
- | variable_declarators COMMA variable_declarator
+
+fixed_field_declarator
+ : COMMA IDENTIFIER fixed_field_size
{
- var decls = (List<object>) $1;
- decls.Add ($3);
- $$ = $1;
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), (ConstInitializer) $3);
+ lbag.AddLocation ($$, GetLocation ($1));
}
;
-variable_declarator
- : member_declaration_name ASSIGN
- {
- ++lexer.parsing_block;
- lexer.parsing_generic_declaration = false;
- }
- variable_initializer
+fixed_field_size
+ : OPEN_BRACKET
{
- --lexer.parsing_block;
- $$ = new VariableMemberDeclaration ((MemberName) $1, (Expression) $4);
+ ++lexer.parsing_block;
}
- | member_declaration_name
+ expression CLOSE_BRACKET
{
- lexer.parsing_generic_declaration = false;
- $$ = new VariableMemberDeclaration ((MemberName) $1, null);
+ --lexer.parsing_block;
+ $$ = new ConstInitializer (current_field, (Expression) $3, GetLocation ($1));
+ lbag.AddLocation ($$, GetLocation ($4));
}
- | member_declaration_name variable_bad_array
+ | OPEN_BRACKET error
{
- lexer.parsing_generic_declaration = false;
+ Report.Error (443, lexer.Location, "Value or constant expected");
$$ = null;
- }
- ;
-
-variable_bad_array
- : OPEN_BRACKET_EXPR opt_expression CLOSE_BRACKET
- {
- Report.Error (650, GetLocation ($1), "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");
- }
+ }
;
variable_initializer
: expression
| array_initializer
+ | error
+ {
+ // It has to be here for the parent to safely restore artificial block
+ Error_SyntaxError (yyToken);
+ $$ = null;
+ }
;
method_declaration
- : method_header {
- if (RootContext.Documentation != null)
+ : method_header
+ {
+ if (doc_support)
Lexer.doc_state = XmlCommentState.NotAllowed;
+
+ // Add it early in the case of body being eof for full aot
+ current_container.AddMethod ((Method) $1);
}
method_body
{
Method method = (Method) $1;
method.Block = (ToplevelBlock) $3;
- current_container.AddMethod (method);
if (current_container.Kind == MemberKind.Interface && method.Block != null) {
Report.Error (531, method.Location, "`{0}': interface members cannot have a definition", method.GetSignatureForError ());
current_local_parameters = null;
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
method.GetSignatureForError ());
}
- if (RootContext.Documentation != null)
+ if (doc_support)
method.DocComment = Lexer.consume_doc_comment ();
lbag.AddMember (method, mod_locations, GetLocation ($5), GetLocation ($8));
method = new Method (current_class, generic, new TypeExpression (TypeManager.void_type, GetLocation ($4)),
modifiers, name, current_local_parameters, (Attributes) $1);
- if (RootContext.Documentation != null)
+ if (doc_support)
method.DocComment = Lexer.consume_doc_comment ();
// TODO: lbag, push void
current_local_parameters = (ParametersCompiled) $7;
- if (RootContext.Documentation != null)
+ if (doc_support)
method.DocComment = Lexer.consume_doc_comment ();
$$ = method;
formal_parameter_list
: fixed_parameters
- {
+ {
var pars_list = (List<Parameter>) $1;
- $$ = new ParametersCompiled (compiler, pars_list.ToArray ());
+ $$ = new ParametersCompiled (pars_list.ToArray ());
}
| fixed_parameters COMMA parameter_array
{
var pars_list = (List<Parameter>) $1;
pars_list.Add ((Parameter) $3);
- $$ = new ParametersCompiled (compiler, pars_list.ToArray ());
+ $$ = new ParametersCompiled (pars_list.ToArray ());
}
| fixed_parameters COMMA arglist_modifier
{
var pars_list = (List<Parameter>) $1;
pars_list.Add (new ArglistParameter (GetLocation ($3)));
- $$ = new ParametersCompiled (compiler, pars_list.ToArray (), true);
+ $$ = new ParametersCompiled (pars_list.ToArray (), 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");
- $$ = new ParametersCompiled (compiler, new Parameter[] { (Parameter) $1 } );
+ $$ = new ParametersCompiled (new Parameter[] { (Parameter) $1 } );
}
| fixed_parameters COMMA parameter_array COMMA error
{
var pars_list = (List<Parameter>) $1;
pars_list.Add (new ArglistParameter (GetLocation ($3)));
- $$ = new ParametersCompiled (compiler, pars_list.ToArray (), true);
+ $$ = new ParametersCompiled (pars_list.ToArray (), true);
}
| arglist_modifier COMMA error
{
Report.Error (257, GetLocation ($1), "An __arglist parameter must be the last parameter in a formal parameter list");
- $$ = new ParametersCompiled (compiler, new Parameter [] { new ArglistParameter (GetLocation ($1)) }, true);
+ $$ = new ParametersCompiled (new Parameter [] { new ArglistParameter (GetLocation ($1)) }, true);
}
| fixed_parameters COMMA ARGLIST COMMA error
{
var pars_list = (List<Parameter>) $1;
pars_list.Add (new ArglistParameter (GetLocation ($3)));
- $$ = new ParametersCompiled (compiler, pars_list.ToArray (), true);
+ $$ = new ParametersCompiled (pars_list.ToArray (), true);
}
| parameter_array
{
- $$ = new ParametersCompiled (compiler, new Parameter[] { (Parameter) $1 } );
+ $$ = new ParametersCompiled (new Parameter[] { (Parameter) $1 } );
}
| arglist_modifier
{
- $$ = new ParametersCompiled (compiler, new Parameter [] { new ArglistParameter (GetLocation ($1)) }, true);
+ $$ = new ParametersCompiled (new Parameter [] { new ArglistParameter (GetLocation ($1)) }, true);
+ }
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = ParametersCompiled.EmptyReadOnlyParameters;
}
;
parameter_type
error
{
+ Error_SyntaxError (yyToken);
Location l = GetLocation ($4);
- CheckIdentifierToken (yyToken, l);
$$ = new Parameter ((FullNamedExpression) $3, "NeedSomeGeneratorHere", (Parameter.Modifier) $2, (Attributes) $1, l);
}
| opt_attributes
constant_expression
{
--lexer.parsing_block;
- if (RootContext.Version <= LanguageVersion.V_3) {
- Report.FeatureIsNotAvailable (GetLocation ($5), "optional parameter");
+ if (lang_version <= LanguageVersion.V_3) {
+ FeatureIsNotAvailable (GetLocation ($5), "optional parameter");
}
Parameter.Modifier mod = (Parameter.Modifier) $2;
var lt = (Tokenizer.LocatedToken) $4;
$$ = new Parameter ((FullNamedExpression) $3, lt.Value, mod, (Attributes) $1, lt.Location);
- lbag.AppendTo ($$, GetLocation ($6));
+ lbag.AddLocation ($$, GetLocation ($5));
if ($7 != null)
- ((Parameter) $$).DefaultValue = (Expression) $7;
+ ((Parameter) $$).DefaultValue = new DefaultParameterValueExpression ((Expression) $7);
}
;
if ((valid_param_mod & ParameterModifierType.This) == 0)
Error_ParameterModifierNotValid ("this", GetLocation ($1));
- if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "extension methods");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "extension methods");
$$ = Parameter.Modifier.This;
}
var lt = (Tokenizer.LocatedToken) $4;
$$ = new ParamsParameter ((FullNamedExpression) $3, lt.Value, (Attributes) $1, lt.Location);
}
- | opt_attributes params_modifier type error {
- CheckIdentifierToken (yyToken, GetLocation ($4));
+ | opt_attributes params_modifier type error
+ {
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
member_type
member_declaration_name
{
- if (RootContext.Documentation != null)
+ if (doc_support)
tmpComment = Lexer.consume_doc_comment ();
}
OPEN_BRACE
{
lexer.PropertyParsing = false;
- if (RootContext.Documentation != null)
+ if (doc_support)
current_property.DocComment = ConsumeStoredComment ();
}
CLOSE_BRACE
Report.Error (1551, GetLocation ($5), "Indexers must have at least one parameter");
}
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
CLOSE_BRACE
{
- if (RootContext.Documentation != null)
+ if (doc_support)
current_property.DocComment = ConsumeStoredComment ();
lbag.AppendToMember (current_property, GetLocation ($12));
get_accessor_declaration
: opt_attributes opt_modifiers GET
{
- if ($2 != ModifierNone && RootContext.Version == LanguageVersion.ISO_1) {
- Report.FeatureIsNotAvailable (GetLocation ($2), "access modifiers on properties");
+ if ($2 != ModifierNone && lang_version == LanguageVersion.ISO_1) {
+ FeatureIsNotAvailable (GetLocation ($2), "access modifiers on properties");
}
if (current_property.Get != null) {
current_local_parameters = null;
lexer.PropertyParsing = true;
- if (RootContext.Documentation != null)
+ if (doc_support)
if (Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
}
set_accessor_declaration
: opt_attributes opt_modifiers SET
{
- if ($2 != ModifierNone && RootContext.Version == LanguageVersion.ISO_1) {
- Report.FeatureIsNotAvailable (GetLocation ($2), "access modifiers on properties");
+ if ($2 != ModifierNone && lang_version == LanguageVersion.ISO_1) {
+ FeatureIsNotAvailable (GetLocation ($2), "access modifiers on properties");
}
if (current_property.Set != null) {
current_local_parameters = null;
lexer.PropertyParsing = true;
- if (RootContext.Documentation != null
+ if (doc_support
&& Lexer.doc_state == XmlCommentState.Error)
Lexer.doc_state = XmlCommentState.NotAllowed;
}
current_class.SetParameterInfo ((List<Constraints>) $9);
- if (RootContext.Documentation != null) {
+ if (doc_support) {
current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
OPEN_BRACE opt_interface_member_declarations CLOSE_BRACE
{
--lexer.parsing_declaration;
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
opt_semicolon
lbag.AppendToMember (current_class, GetLocation ($11), GetLocation ($13));
$$ = pop_current_class ();
}
- | opt_attributes opt_modifiers opt_partial INTERFACE error {
- CheckIdentifierToken (yyToken, GetLocation ($5));
+ | opt_attributes opt_modifiers opt_partial INTERFACE error
+ {
+ Error_SyntaxError (yyToken);
}
;
}
operator_body
{
- if ($3 == null)
- break;
-
OperatorDeclaration decl = (OperatorDeclaration) $3;
- Operator op = new Operator (
- current_class, decl.optype, decl.ret_type, (Modifiers) $2,
- current_local_parameters,
- (ToplevelBlock) $5, (Attributes) $1, decl.location);
-
- if (RootContext.Documentation != null) {
- op.DocComment = tmpComment;
- Lexer.doc_state = XmlCommentState.Allowed;
- }
+ if (decl != null) {
+ Operator op = new Operator (
+ current_class, decl.optype, decl.ret_type, (Modifiers) $2,
+ current_local_parameters,
+ (ToplevelBlock) $5, (Attributes) $1, decl.location);
+
+ if (doc_support) {
+ op.DocComment = tmpComment;
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
- // Note again, checking is done in semantic analysis
- current_container.AddOperator (op);
+ // Note again, checking is done in semantic analysis
+ current_container.AddOperator (op);
+ lbag.AddMember (op, mod_locations, lbag.GetLocations (decl));
+ }
+
current_local_parameters = null;
}
;
}
}
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
$$ = new OperatorDeclaration (op, (FullNamedExpression) $1, loc);
+ lbag.AddLocation ($$, GetLocation ($2), GetLocation ($3), GetLocation ($4), GetLocation ($7));
}
| conversion_operator_declarator
;
Location loc = GetLocation ($2);
current_local_parameters = (ParametersCompiled)$6;
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
$$ = new OperatorDeclaration (Operator.OpType.Implicit, (FullNamedExpression) $3, loc);
+ lbag.AddLocation ($$, GetLocation ($1), GetLocation ($2), GetLocation ($4), GetLocation ($7));
}
| EXPLICIT OPERATOR type OPEN_PARENS
{
Location loc = GetLocation ($2);
current_local_parameters = (ParametersCompiled)$6;
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
$$ = new OperatorDeclaration (Operator.OpType.Explicit, (FullNamedExpression) $3, loc);
+ lbag.AddLocation ($$, GetLocation ($1), GetLocation ($2), GetLocation ($4), GetLocation ($7));
}
| IMPLICIT error
{
Constructor c = (Constructor) $1;
c.Block = (ToplevelBlock) $2;
- if (RootContext.Documentation != null)
+ if (doc_support)
c.DocComment = ConsumeStoredComment ();
current_container.AddConstructor (c);
current_local_parameters = null;
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
opt_modifiers
IDENTIFIER
{
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
$$ = new ConstructorThisInitializer ((Arguments) $5, GetLocation ($2));
lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3), GetLocation ($6));
}
- | COLON error {
- Report.Error (1018, GetLocation ($1), "Keyword `this' or `base' expected");
+ | error
+ {
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
destructor_declaration
: opt_attributes opt_modifiers TILDE
{
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
Destructor d = new Destructor (current_class, (Modifiers) $2,
ParametersCompiled.EmptyReadOnlyParameters, (Attributes) $1, lt.Location);
- if (RootContext.Documentation != null)
+ if (doc_support)
d.DocComment = ConsumeStoredComment ();
d.Block = (ToplevelBlock) $8;
event_declaration
: opt_attributes
opt_modifiers
- EVENT type variable_declarators SEMICOLON
+ EVENT type member_declaration_name
{
- foreach (VariableMemberDeclaration var in (List<object>) $5) {
-
- EventField e = new EventField (
- current_class, (FullNamedExpression) $4, (Modifiers) $2, var.MemberName, (Attributes) $1);
-
- e.Initializer = var.GetInitializer ((FullNamedExpression) $4);
- if (current_container.Kind == MemberKind.Interface && e.Initializer != null) {
- Report.Error (68, e.Location, "`{0}': event in interface cannot have initializer", e.GetSignatureForError ());
- }
-
- if (var.MemberName.Left != null) {
- Report.Error (71, e.Location,
- "`{0}': An explicit interface implementation of an event must use property syntax",
- e.GetSignatureForError ());
- }
-
- current_container.AddEvent (e);
- lbag.AddMember (e, mod_locations, GetLocation ($3), GetLocation ($6));
-
- if (RootContext.Documentation != null) {
- e.DocComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
+ current_event_field = new EventField (current_class, (FullNamedExpression) $4, (Modifiers) $2, (MemberName) $5, (Attributes) $1);
+ current_container.AddEvent (current_event_field);
+
+ if (current_event_field.MemberName.Left != null) {
+ Report.Error (71, current_event_field.Location, "`{0}': An explicit interface implementation of an event must use property syntax",
+ current_event_field.GetSignatureForError ());
+ }
+
+ $$ = current_event_field;
+ }
+ opt_event_initializer
+ opt_event_declarators
+ SEMICOLON
+ {
+ if (doc_support) {
+ current_event_field.DocComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
}
+
+ lbag.AddMember (current_event_field, mod_locations, GetLocation ($3), GetLocation ($9));
+ current_event_field = null;
}
| opt_attributes
opt_modifiers
}
CLOSE_BRACE
{
- if (RootContext.Documentation != null) {
+ if (doc_support) {
current_event.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
current_event = null;
current_local_parameters = null;
}
- | opt_attributes opt_modifiers EVENT type member_declaration_name error
+ ;
+
+opt_event_initializer
+ : /* empty */
+ | ASSIGN
{
- MemberName mn = (MemberName) $5;
- if (mn.Left != null)
- Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");
-
- if (RootContext.Documentation != null)
- Lexer.doc_state = XmlCommentState.Allowed;
-
- Error_SyntaxError (yyToken);
- $$ = null;
+ ++lexer.parsing_block;
+ }
+ event_variable_initializer
+ {
+ --lexer.parsing_block;
+ current_event_field.Initializer = (Expression) $3;
}
;
-
-event_accessor_declarations
+
+opt_event_declarators
+ : /* empty */
+ | event_declarators
+ ;
+
+event_declarators
+ : event_declarator
+ {
+ current_event_field.AddDeclarator ((FieldDeclarator) $1);
+ }
+ | event_declarators event_declarator
+ {
+ current_event_field.AddDeclarator ((FieldDeclarator) $2);
+ }
+ ;
+
+event_declarator
+ : COMMA IDENTIFIER
+ {
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), null);
+ lbag.AddLocation ($$, GetLocation ($1));
+ }
+ | COMMA IDENTIFIER ASSIGN
+ {
+ ++lexer.parsing_block;
+ }
+ event_variable_initializer
+ {
+ --lexer.parsing_block;
+ var lt = (Tokenizer.LocatedToken) $2;
+ $$ = new FieldDeclarator (new SimpleMemberName (lt.Value, lt.Location), (Expression) $5);
+ lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3));
+ }
+ ;
+
+event_variable_initializer
+ : {
+ if (current_container.Kind == MemberKind.Interface) {
+ Report.Error (68, lexer.Location, "`{0}': event in interface cannot have an initializer",
+ current_event_field.GetSignatureForError ());
+ }
+
+ if ((current_event_field.ModFlags & Modifiers.ABSTRACT) != 0) {
+ Report.Error (74, lexer.Location, "`{0}': abstract event cannot have an initializer",
+ current_event_field.GetSignatureForError ());
+ }
+ }
+ variable_initializer
+ {
+ $$ = $2;
+ }
+ ;
+
+event_accessor_declarations
: add_accessor_declaration remove_accessor_declaration
| remove_accessor_declaration add_accessor_declaration
| add_accessor_declaration
ENUM type_declaration_name
opt_enum_base
{
- if (RootContext.Documentation != null)
+ if (doc_support)
enumTypeComment = Lexer.consume_doc_comment ();
}
OPEN_BRACE
{
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
+
+ MemberName name = (MemberName) $4;
+ if (name.IsGeneric) {
+ Report.Error (1675, name.Location, "Enums cannot have type parameters");
+ }
+
+ push_current_class (new Enum (current_namespace, current_class, (TypeExpression) $5, (Modifiers) $2, MakeName (name), (Attributes) $1), null);
}
opt_enum_member_declarations
{
// here will be evaluated after CLOSE_BLACE is consumed.
- if (RootContext.Documentation != null)
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
CLOSE_BRACE opt_semicolon
{
- MemberName name = (MemberName) $4;
- if (name.IsGeneric) {
- Report.Error (1675, name.Location, "Enums cannot have type parameters");
- }
-
- name = MakeName (name);
- Enum e = new Enum (current_namespace, current_class, (TypeExpression) $5, (Modifiers) $2,
- name, (Attributes) $1);
-
- if (RootContext.Documentation != null)
- e.DocComment = enumTypeComment;
-
-
- EnumMember em = null;
- foreach (VariableDeclaration ev in (IList<VariableDeclaration>) $9) {
- em = new EnumMember (
- e, em, ev.identifier, ev.GetInitializer (null),
- ev.OptAttributes, ev.Location);
-
-// if (RootContext.Documentation != null)
- em.DocComment = ev.DocComment;
-
- e.AddEnumMember (em);
- }
- if (RootContext.EvalMode)
- undo.AddTypeContainer (current_container, e);
-
- current_container.AddTypeContainer (e);
- lbag.AddMember (e, mod_locations, GetLocation ($3), GetLocation ($7), GetLocation ($11));
+ if (doc_support)
+ current_class.DocComment = enumTypeComment;
+
+ --lexer.parsing_declaration;
- $$ = e;
+// if (doc_support)
+// em.DocComment = ev.DocComment;
+ lbag.AddMember (current_class, mod_locations, GetLocation ($3), GetLocation ($7), GetLocation ($11));
+ $$ = pop_current_class ();
}
;
;
opt_enum_member_declarations
- : /* empty */ { $$ = new VariableDeclaration [0]; }
- | enum_member_declarations opt_comma { $$ = $1; }
+ : /* empty */
+ | enum_member_declarations
+ | enum_member_declarations COMMA
+ {
+ lbag.AddLocation ($1, GetLocation ($2));
+ }
;
enum_member_declarations
- : enum_member_declaration
- {
- var l = new List<VariableDeclaration> (4);
- l.Add ((VariableDeclaration) $1);
- $$ = l;
- }
+ : enum_member_declaration
| enum_member_declarations COMMA enum_member_declaration
{
- var l = (List<VariableDeclaration>) $1;
- l.Add ((VariableDeclaration) $3);
- $$ = l;
+ lbag.AddLocation ($1, GetLocation ($2));
+ $$ = $3;
}
;
enum_member_declaration
- : opt_attributes IDENTIFIER
+ : opt_attributes IDENTIFIER
{
- VariableDeclaration vd = new VariableDeclaration (
- (Tokenizer.LocatedToken) $2, null, (Attributes) $1);
+ var lt = (Tokenizer.LocatedToken) $2;
+ var em = new EnumMember ((Enum) current_class, new MemberName (lt.Value, lt.Location), (Attributes) $1);
+ ((Enum) current_class).AddEnumMember (em);
- if (RootContext.Documentation != null) {
- vd.DocComment = Lexer.consume_doc_comment ();
+ if (doc_support) {
+ em.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
- $$ = vd;
+ $$ = em;
}
| opt_attributes IDENTIFIER
{
++lexer.parsing_block;
- if (RootContext.Documentation != null) {
+ if (doc_support) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
}
ASSIGN constant_expression
{
- --lexer.parsing_block;
- VariableDeclaration vd = new VariableDeclaration (
- (Tokenizer.LocatedToken) $2, (Expression) $5, (Attributes) $1);
-
- if (RootContext.Documentation != null)
- vd.DocComment = ConsumeStoredComment ();
+ --lexer.parsing_block;
+
+ var lt = (Tokenizer.LocatedToken) $2;
+ var em = new EnumMember ((Enum) current_class, new MemberName (lt.Value, lt.Location), (Attributes) $1);
+ em.Initializer = new ConstInitializer (em, (Expression) $5, GetLocation ($4));
+ ((Enum) current_class).AddEnumMember (em);
+
+ if (doc_support)
+ em.DocComment = ConsumeStoredComment ();
- $$ = vd;
+ $$ = em;
}
;
Delegate del = new Delegate (current_namespace, current_class, (FullNamedExpression) $4,
(Modifiers) $2, name, p, (Attributes) $1);
- if (RootContext.Documentation != null) {
+ if (doc_support) {
del.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
opt_nullable
: /* empty */
- {
- $$ = null;
- }
| INTERR_NULLABLE
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (GetLocation ($1), "nullable types");
- else if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "nullable types");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "nullable types");
$$ = ComposedTypeSpecifier.CreateNullable (GetLocation ($1));
}
// Generics arguments (any type, without attributes)
//
opt_type_argument_list
- : /* empty */ { $$ = null; }
+ : /* empty */
| OP_GENERICS_LT type_arguments OP_GENERICS_GT
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (GetLocation ($1), "generics");
- else if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "generics");
$$ = $2;
}
{
lexer.parsing_generic_declaration = false;
var lt = (Tokenizer.LocatedToken) $1;
- $$ = new MemberName (lt.Value, (TypeArguments)$3, lt.Location);
+ $$ = new MemberName (lt.Value, (TypeArguments)$3, lt.Location);
}
;
;
opt_type_parameter_list
- : /* empty */ { $$ = null; }
+ : /* empty */
| OP_GENERICS_LT_DECL type_parameters OP_GENERICS_GT
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (GetLocation ($1), "generics");
- else if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "generics");
$$ = $2;
lbag.AddLocation ($$, GetLocation ($1), GetLocation ($3));
$$ = name.GetTypeExpression ();
}
}
+ | namespace_or_type_name pointer_stars
+ {
+ $$ = new ComposedCast (((MemberName) $1).GetTypeExpression (), (ComposedTypeSpecifier) $2);
+ }
| builtin_types opt_nullable
{
if ($2 != null)
$$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
}
- | type_expression STAR
+ | builtin_types pointer_stars
{
- //
- // Note that here only unmanaged types are allowed but we
- // can't perform checks during this phase - we do it during
- // semantic analysis.
- //
- $$ = new ComposedCast ((FullNamedExpression) $1, ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
+ $$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
}
- | VOID STAR
+ | VOID pointer_stars
{
- $$ = new ComposedCast (new TypeExpression (TypeManager.void_type, GetLocation ($1)), ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
- }
+ $$ = new ComposedCast (new TypeExpression (TypeManager.void_type, GetLocation ($1)), (ComposedTypeSpecifier) $2);
+ }
;
type_list
primary_expression
- : primary_expression_no_array_creation
+ : primary_expression_or_type
+ | literal
| array_creation_expression
- ;
-
-primary_expression_no_array_creation
- : literal
- | IDENTIFIER opt_type_argument_list
- {
- var lt = (Tokenizer.LocatedToken) $1;
- $$ = new SimpleName (lt.Value, (TypeArguments)$2, lt.Location);
- }
- | IDENTIFIER GENERATE_COMPLETION {
- var lt = (Tokenizer.LocatedToken) $1;
- $$ = new CompletionSimpleName (MemberName.MakeName (lt.Value, null), lt.Location);
- }
| parenthesized_expression
| default_value_expression
- | member_access
| invocation_expression
| element_access
| this_access
| anonymous_method_expression
;
+primary_expression_or_type
+ : IDENTIFIER opt_type_argument_list
+ {
+ var lt = (Tokenizer.LocatedToken) $1;
+ $$ = new SimpleName (lt.Value, (TypeArguments)$2, lt.Location);
+ }
+ | IDENTIFIER GENERATE_COMPLETION {
+ var lt = (Tokenizer.LocatedToken) $1;
+ $$ = new CompletionSimpleName (MemberName.MakeName (lt.Value, null), lt.Location);
+ }
+ | member_access
+ ;
+
literal
: boolean_literal
| LITERAL
$$ = new MemberAccess ((Expression) $1, lt.Value, (TypeArguments) $4, lt.Location);
lbag.AddLocation ($$, GetLocation ($2));
}
+ | BASE DOT IDENTIFIER opt_type_argument_list
+ {
+ var lt = (Tokenizer.LocatedToken) $3;
+ $$ = new MemberAccess (new BaseThis (GetLocation ($1)), lt.Value, (TypeArguments) $4, lt.Location);
+ lbag.AddLocation ($$, GetLocation ($2));
+ }
| qualified_alias_member IDENTIFIER opt_type_argument_list
{
var lt1 = (Tokenizer.LocatedToken) $1;
$$ = new Argument (new Arglist (GetLocation ($1)));
lbag.AddLocation ($$, GetLocation ($2), GetLocation ($3));
}
- | ARGLIST
- {
- $$ = new Argument (new ArglistAccess (GetLocation ($1)));
- }
;
variable_reference
| expression_list_arguments COMMA expression_list_argument
{
Arguments args = (Arguments) $1;
+ if (args [args.Count - 1] is NamedArgument && !($3 is NamedArgument))
+ Error_NamedArgumentExpected ((NamedArgument) args [args.Count - 1]);
+
args.Add ((Argument) $3);
$$ = args;
}
;
base_access
- : BASE DOT IDENTIFIER opt_type_argument_list
- {
- var lt = (Tokenizer.LocatedToken) $3;
- $$ = new BaseAccess (lt.Value, (TypeArguments) $4, lt.Location);
- lbag.AddLocation ($$, GetLocation ($1), GetLocation ($2));
- }
- | BASE OPEN_BRACKET_EXPR expression_list_arguments CLOSE_BRACKET
+ : BASE OPEN_BRACKET_EXPR expression_list_arguments CLOSE_BRACKET
{
- $$ = new BaseIndexerAccess ((Arguments) $3, GetLocation ($1));
- lbag.AddLocation ($$, GetLocation ($2), GetLocation ($4));
+ $$ = new ElementAccess (new BaseThis (GetLocation ($1)), (Arguments) $3, GetLocation ($2));
+ lbag.AddLocation ($$, GetLocation ($4));
}
| BASE OPEN_BRACKET error
{
Error_SyntaxError (yyToken);
- $$ = new BaseAccess (null, GetLocation ($1));
+ $$ = new ElementAccess (null, null, GetLocation ($2));
}
;
: NEW new_expr_type open_parens_any 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");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "object initializers");
$$ = new NewInitialize ((FullNamedExpression) $2, (Arguments) $4, (CollectionOrObjectInitializers) $6, GetLocation ($1));
} else {
$$ = new New ((FullNamedExpression) $2, (Arguments) $4, GetLocation ($1));
}
- lbag.AddLocation ($$, GetLocation ($2), GetLocation ($4));
+ lbag.AddLocation ($$, GetLocation ($3), GetLocation ($5));
}
| NEW new_expr_type object_or_collection_initializer
{
- if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "collection initializers");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "collection initializers");
$$ = new NewInitialize ((FullNamedExpression) $2, null, (CollectionOrObjectInitializers) $3, GetLocation ($1));
}
$$ = new ArrayCreation ((FullNamedExpression) $2, (ComposedTypeSpecifier) $3, (ArrayInitializer) $4, GetLocation ($1));
}
- | NEW rank_specifiers array_initializer
+ | NEW rank_specifier array_initializer
{
- if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "implicitly typed arrays");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "implicitly typed arrays");
$$ = new ImplicitlyTypedArrayCreation ((ComposedTypeSpecifier) $2, (ArrayInitializer) $3, GetLocation ($1));
}
anonymous_type_expression
: NEW OPEN_BRACE anonymous_type_parameters_opt_comma CLOSE_BRACE
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (GetLocation ($1), "anonymous types");
- else if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "anonymous types");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "anonymous types");
$$ = new NewAnonymousType ((List<AnonymousTypeParameter>) $3, current_container, GetLocation ($1));
$$ = new AnonymousTypeParameter (new SimpleName (lt.Value, lt.Location),
lt.Value, lt.Location);
}
- | BASE DOT IDENTIFIER opt_type_argument_list
- {
- var lt = (Tokenizer.LocatedToken) $3;
- BaseAccess ba = new BaseAccess (lt.Value, (TypeArguments) $4, lt.Location);
- $$ = new AnonymousTypeParameter (ba, lt.Value, lt.Location);
- }
| member_access
{
MemberAccess ma = (MemberAccess) $1;
opt_rank_specifier
: /* empty */
- {
- $$ = null;
- }
| rank_specifiers
;
-opt_rank_specifier_or_nullable
- : opt_nullable
- | opt_nullable rank_specifiers
- {
- if ($1 != null) {
- ((ComposedTypeSpecifier) $1).Next = (ComposedTypeSpecifier) $2;
- $$ = $1;
- } else {
- $$ = $2;
- }
- }
- ;
-
rank_specifiers
: rank_specifier
| rank_specifier rank_specifiers
: OPEN_BRACKET CLOSE_BRACKET
{
$$ = ComposedTypeSpecifier.CreateArrayDimension (1, GetLocation ($1));
+ lbag.AddLocation ($$, GetLocation ($2));
}
| OPEN_BRACKET dim_separators CLOSE_BRACKET
{
$$ = ComposedTypeSpecifier.CreateArrayDimension ((int)$2, GetLocation ($1));
+ lbag.AddLocation ($$, GetLocation ($3));
}
;
array_initializer
: OPEN_BRACE CLOSE_BRACE
{
- $$ = new ArrayInitializer (0, GetLocation ($1));
- lbag.AddLocation ($$, GetLocation ($2));
+ var ai = new ArrayInitializer (0, GetLocation ($1));
+ ai.VariableDeclaration = current_variable;
+ lbag.AddLocation (ai, GetLocation ($2));
+ $$ = ai;
}
| OPEN_BRACE variable_initializer_list opt_comma CLOSE_BRACE
{
- $$ = new ArrayInitializer ((List<Expression>) $2, GetLocation ($1));
- lbag.AddLocation ($$, GetLocation ($3));
+ var ai = new ArrayInitializer ((List<Expression>) $2, GetLocation ($1));
+ ai.VariableDeclaration = current_variable;
+ if ($3 != null) {
+ lbag.AddLocation (ai, GetLocation ($3), GetLocation ($4));
+ } else {
+ lbag.AddLocation (ai, GetLocation ($4));
+ }
+ $$ = ai;
}
;
list.Add ((Expression) $3);
$$ = list;
}
- | error
- {
- Error_SyntaxError (yyToken);
- $$ = new List<Expression> ();
- }
;
typeof_expression
}
| namespace_or_type_name DOT IDENTIFIER generic_dimension
{
- var lt = (Tokenizer.LocatedToken) $3;
- MemberName name = (MemberName) $1;
+ var te = ((MemberName) $1).GetTypeExpression ();
+ if (te.HasTypeArguments)
+ Error_TypeExpected (GetLocation ($4));
- $$ = new MemberAccess (name.GetTypeExpression (), lt.Value, (int) $4, lt.Location);
+ var lt = (Tokenizer.LocatedToken) $3;
+ $$ = new MemberAccess (te, lt.Value, (int) $4, lt.Location);
}
;
generic_dimension
: GENERIC_DIMENSION
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (GetLocation ($1), "generics");
- else if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "generics");
$$ = $1;
}
: IDENTIFIER DOUBLE_COLON
{
var lt = (Tokenizer.LocatedToken) $1;
- if (RootContext.Version == LanguageVersion.ISO_1)
- Report.FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");
+ if (lang_version == LanguageVersion.ISO_1)
+ FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");
$$ = lt;
}
}
block
{
- $$ = end_anonymous ((ToplevelBlock) $4);
- }
+ $$ = end_anonymous ((ParametersBlock) $4);
+ }
;
opt_anonymous_method_signature
default_value_expression
: DEFAULT open_parens_any type CLOSE_PARENS
{
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "default value expression");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "default value expression");
$$ = new DefaultValueExpression ((Expression) $3, GetLocation ($1));
lbag.AddLocation ($$, GetLocation ($2), GetLocation ($4));
$$ = new Cast ((FullNamedExpression) $2, (Expression) $4, GetLocation ($1));
lbag.AddLocation ($$, GetLocation ($3));
}
- | OPEN_PARENS builtin_types CLOSE_PARENS prefixed_unary_expression
- {
- $$ = new Cast ((FullNamedExpression) $2, (Expression) $4, GetLocation ($1));
- lbag.AddLocation ($$, GetLocation ($3));
- }
;
//
: conditional_or_expression
| conditional_or_expression OP_COALESCING null_coalescing_expression
{
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($2), "null coalescing operator");
+ if (lang_version < LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($2), "null coalescing operator");
$$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $3, GetLocation ($2));
}
: /* empty */ { $$ = ParametersCompiled.EmptyReadOnlyParameters; }
| lambda_parameter_list {
var pars_list = (List<Parameter>) $1;
- $$ = new ParametersCompiled (compiler, pars_list.ToArray ());
+ $$ = new ParametersCompiled (pars_list.ToArray ());
}
;
lambda_expression_body
+ : lambda_expression_body_simple
+ | block
+ ;
+
+lambda_expression_body_simple
: {
start_block (lexer.Location);
}
- expression
+ expression_or_error // Have to close block when error occurs
{
Block b = end_block (lexer.Location);
b.AddStatement (new ContextualReturn ((Expression) $2));
$$ = b;
}
- | block {
- $$ = $1;
- }
+ ;
+
+expression_or_error
+ : expression
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = EmptyExpression.Null;
+ }
;
lambda_expression
{
var lt = (Tokenizer.LocatedToken) $1;
Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
- start_anonymous (true, new ParametersCompiled (compiler, p), GetLocation ($1));
+ start_anonymous (true, new ParametersCompiled (p), GetLocation ($1));
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $4);
+ $$ = end_anonymous ((ParametersBlock) $4);
+ lbag.AddLocation ($$, GetLocation ($2));
}
| OPEN_PARENS_LAMBDA
{
- if (RootContext.Version <= LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "lambda expressions");
+ if (lang_version <= LanguageVersion.ISO_2)
+ FeatureIsNotAvailable (GetLocation ($1), "lambda expressions");
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out;
}
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $7);
+ $$ = end_anonymous ((ParametersBlock) $7);
+ lbag.AddLocation ($$, GetLocation ($4), GetLocation ($5));
}
;
expression
: assignment_expression
- | non_assignment_expression
+ | non_assignment_expression
;
non_assignment_expression
: conditional_expression
| lambda_expression
- | query_expression
+ | query_expression
+ | ARGLIST
+ {
+ $$ = new ArglistAccess (GetLocation ($1));
+ }
;
constant_expression
type_declaration_name
{
MemberName name = MakeName ((MemberName) $6);
- push_current_class (new Class (current_namespace, current_class, name, (Modifiers) $2, (Attributes) $1), $3);
+ Class c = new Class (current_namespace, current_class, name, (Modifiers) $2, (Attributes) $1);
+ if (((c.ModFlags & Modifiers.STATIC) != 0) && lang_version == LanguageVersion.ISO_1) {
+ FeatureIsNotAvailable (c.Location, "static classes");
+ }
+
+ push_current_class (c, $3);
}
opt_class_base
opt_type_parameter_constraints_clauses
current_class.SetParameterInfo ((List<Constraints>) $9);
lbag.AddMember (current_class, mod_locations, GetLocation ($4));
- if (RootContext.Documentation != null) {
+ if (doc_support) {
current_container.DocComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
}
OPEN_BRACE opt_class_member_declarations CLOSE_BRACE
{
- --lexer.parsing_declaration;
- if (RootContext.Documentation != null)
+ --lexer.parsing_declaration;
+ if (doc_support)
Lexer.doc_state = XmlCommentState.Allowed;
}
opt_semicolon
{
- lbag.AppendToMember (current_class, GetLocation ($11), GetLocation ($13));
+ lbag.AppendToMember (current_class, GetLocation ($11), GetLocation ($13), GetLocation ($15));
$$ = pop_current_class ();
}
;
{
$$ = Modifiers.UNSAFE;
StoreModifierLocation ($$, GetLocation ($1));
- if (!RootContext.Unsafe)
+ if (!settings.Unsafe)
Error_UnsafeCodeNotAllowed (GetLocation ($1));
}
+ | ASYNC
+ {
+ $$ = Modifiers.ASYNC;
+ StoreModifierLocation ($$, GetLocation ($1));
+ }
;
opt_class_base
;
opt_type_parameter_constraints_clauses
- : /* empty */ { $$ = null; }
+ : /* empty */
| type_parameter_constraints_clauses
{
$$ = $1;
}
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = null;
+ }
;
type_parameter_constraints_clauses
}
| type_parameter_variance
{
- if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
- Report.FeatureIsNotSupported (lexer.Location, "generic type variance");
- else if (RootContext.Version <= LanguageVersion.V_3)
- Report.FeatureIsNotAvailable (lexer.Location, "generic type variance");
+ if (lang_version <= LanguageVersion.V_3)
+ FeatureIsNotAvailable (lexer.Location, "generic type variance");
$$ = $1;
}
;
statement
- : declaration_statement
+ : block_variable_declaration
{
- if ($1 != null && (Block) $1 != current_block){
- current_block.AddStatement ((Statement) $1);
- current_block = (Block) $1;
- }
+ current_block.AddStatement ((Statement) $1);
}
| valid_declaration_statement
{
current_block.AddStatement ((Statement) $1);
}
| labeled_statement
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = null;
+ }
;
//
;
interactive_statement
- : declaration_statement
+ : block_variable_declaration
{
- if ($1 != null && (Block) $1 != current_block){
- current_block.AddStatement ((Statement) $1);
- current_block = (Block) $1;
- }
+ current_block.AddStatement ((Statement) $1);
}
| interactive_valid_declaration_statement
{
embedded_statement
: valid_declaration_statement
- | declaration_statement
+ | block_variable_declaration
{
Report.Error (1023, GetLocation ($1), "An embedded statement may not be a declaration or labeled statement");
$$ = null;
Report.Error (1023, GetLocation ($1), "An embedded statement may not be a declaration or labeled statement");
$$ = null;
}
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = new EmptyStatement (GetLocation ($1));
+ }
;
empty_statement
: SEMICOLON
{
- $$ = new EmptyStatement (GetLocation ($1));
+ // Uses lexer.Location because semicolon location is not kept in quick mode
+ $$ = new EmptyStatement (lexer.Location);
}
;
: IDENTIFIER COLON
{
var lt = (Tokenizer.LocatedToken) $1;
- LabeledStatement labeled = new LabeledStatement (lt.Value, lt.Location);
+ LabeledStatement labeled = new LabeledStatement (lt.Value, current_block, lt.Location);
- if (current_block.AddLabel (labeled))
- current_block.AddStatement (labeled);
+ current_block.AddLabel (labeled);
+ current_block.AddStatement (labeled);
}
statement
;
-declaration_statement
- : local_variable_declaration SEMICOLON
- {
- if ($1 != null){
- var de = (Tuple<FullNamedExpression, List<object>>) $1;
- $$ = declare_local_variables (de.Item1, de.Item2, de.Item1.Location);
- }
- }
-
- | local_constant_declaration SEMICOLON
+variable_type
+ : variable_type_simple
+ | variable_type_simple rank_specifiers
{
- if ($1 != null){
- var de = (Tuple<FullNamedExpression, List<object>>) $1;
-
- $$ = declare_local_constants (de.Item1, de.Item2);
- }
+ if ($1 is VarExpr)
+ $1 = new SimpleName ("var", ((VarExpr) $1).Location);
+
+ $$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
}
;
* > expressions to prevent reduce/reduce errors in the grammar.
* > The expressions are converted into types during semantic analysis.
*/
-variable_type
- : primary_expression_no_array_creation opt_rank_specifier_or_nullable
+variable_type_simple
+ : primary_expression_or_type opt_nullable
{
// Ok, the above "primary_expression" is there to get rid of
// both reduce/reduce and shift/reduces in the grammar, it should
$$ = null;
}
}
- | builtin_types opt_rank_specifier_or_nullable
+ | primary_expression_or_type pointer_stars
+ {
+ ATypeNameExpression expr = $1 as ATypeNameExpression;
+
+ if (expr != null) {
+ $$ = new ComposedCast (expr, (ComposedTypeSpecifier) $2);
+ } else {
+ Error_ExpectingTypeName ((Expression)$1);
+ $$ = expr;
+ }
+ }
+ | builtin_types opt_nullable
{
if ($2 == null)
$$ = $1;
else
$$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
}
- | VOID opt_rank_specifier
+ | builtin_types pointer_stars
+ {
+ $$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
+ }
+ | VOID pointer_stars
+ {
+ $$ = new ComposedCast (new TypeExpression (TypeManager.void_type, GetLocation ($1)), (ComposedTypeSpecifier) $2);
+ }
+ | VOID
{
Expression.Error_VoidInvalidInTheContext (GetLocation ($1), Report);
$$ = new TypeExpression (TypeManager.void_type, GetLocation ($1));
}
;
+
+pointer_stars
+ : pointer_star
+ | pointer_star pointer_stars
+ {
+ ((ComposedTypeSpecifier) $1).Next = (ComposedTypeSpecifier) $2;
+ $$ = $1;
+ }
+ ;
-local_variable_pointer_type
- : primary_expression_no_array_creation STAR
+pointer_star
+ : STAR
{
- ATypeNameExpression expr = $1 as ATypeNameExpression;
+ $$ = ComposedTypeSpecifier.CreatePointer (GetLocation ($1));
+ }
+ ;
- if (expr != null) {
- $$ = new ComposedCast (expr, ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
- } else {
- Error_ExpectingTypeName ((Expression)$1);
- $$ = expr;
- }
+block_variable_declaration
+ : variable_type IDENTIFIER
+ {
+ var lt = (Tokenizer.LocatedToken) $2;
+ var li = new LocalVariable (current_block, lt.Value, lt.Location);
+ current_block.AddLocalName (li);
+ current_variable = new BlockVariableDeclaration ((FullNamedExpression) $1, li);
}
- | builtin_types STAR
+ opt_local_variable_initializer opt_variable_declarators SEMICOLON
{
- $$ = new ComposedCast ((FullNamedExpression) $1, ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
+ $$ = current_variable;
+ current_variable = null;
+ lbag.AddLocation ($$, GetLocation ($6));
}
- | VOID STAR
+ | CONST variable_type IDENTIFIER
{
- $$ = new ComposedCast (new TypeExpression (TypeManager.void_type, GetLocation ($1)), ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
+ var lt = (Tokenizer.LocatedToken) $3;
+ var li = new LocalVariable (current_block, lt.Value, LocalVariable.Flags.Constant, lt.Location);
+ current_block.AddLocalName (li);
+ current_variable = new BlockConstantDeclaration ((FullNamedExpression) $2, li);
}
- | local_variable_pointer_type STAR
+ const_variable_initializer opt_const_declarators SEMICOLON
{
- $$ = new ComposedCast ((FullNamedExpression) $1, ComposedTypeSpecifier.CreatePointer (GetLocation ($2)));
+ $$ = current_variable;
+ current_variable = null;
+ lbag.AddLocation ($$, GetLocation ($1), GetLocation ($7));
}
;
-local_variable_type
- : variable_type
- | local_variable_pointer_type opt_rank_specifier
+opt_local_variable_initializer
+ : /* empty */
+ | ASSIGN block_variable_initializer
{
- if ($1 != null){
- if ($2 == null)
- $$ = $1;
- else
- $$ = new ComposedCast ((FullNamedExpression) $1, (ComposedTypeSpecifier) $2);
+ current_variable.Initializer = (Expression) $2;
+ // TODO: lbag
+ }
+ | error
+ {
+ if (yyToken == Token.OPEN_BRACKET_EXPR) {
+ 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");
} else {
- $$ = null;
+ Error_SyntaxError (yyToken);
}
}
;
-local_variable_declaration
- : local_variable_type local_variable_declarators
- {
- if ($1 != null) {
- VarExpr ve = $1 as VarExpr;
- if (ve != null) {
- if (!((VariableDeclaration) ((List<object>)$2) [0]).HasInitializer)
- ve.VariableInitializersCount = 0;
- else
- ve.VariableInitializersCount = ((List<object>)$2).Count;
- }
-
- $$ = new Tuple<FullNamedExpression, List<object>> ((FullNamedExpression) $1, (List<object>) $2);
- } else
- $$ = null;
+opt_variable_declarators
+ : /* empty */
+ | variable_declarators
+ ;
+
+variable_declarators
+ : variable_declarator
+ | variable_declarators variable_declarator
+ ;
+
+variable_declarator
+ : COMMA IDENTIFIER
+ {
+ var lt = (Tokenizer.LocatedToken) $2;
+ var li = new LocalVariable (current_variable.Variable, lt.Value, lt.Location);
+ var d = new BlockVariableDeclaration.Declarator (li, null);
+ current_variable.AddDeclarator (d);
+ current_block.AddLocalName (li);
+ lbag.AddLocation (d, GetLocation ($1));
}
- ;
-
-local_constant_declaration
- : CONST variable_type constant_declarators
+ | COMMA IDENTIFIER ASSIGN block_variable_initializer
{
- if ($2 != null)
- $$ = new Tuple<FullNamedExpression, List<object>> ((FullNamedExpression) $2, (List<object>) $3);
- else
- $$ = null;
+ var lt = (Tokenizer.LocatedToken) $2;
+ var li = new LocalVariable (current_variable.Variable, lt.Value, lt.Location);
+ var d = new BlockVariableDeclaration.Declarator (li, (Expression) $4);
+ current_variable.AddDeclarator (d);
+ current_block.AddLocalName (li);
+ lbag.AddLocation (d, GetLocation ($1), GetLocation ($3));
+ }
+ ;
+
+const_variable_initializer
+ : /* empty */
+ {
+ Report.Error (145, lexer.Location, "A const field requires a value to be provided");
+ }
+ | ASSIGN constant_initializer_expr
+ {
+ current_variable.Initializer = (Expression) $2;
+ }
+ ;
+
+opt_const_declarators
+ : /* empty */
+ | const_declarators
+ ;
+
+const_declarators
+ : const_declarator
+ | const_declarators const_declarator
+ ;
+
+const_declarator
+ : COMMA IDENTIFIER ASSIGN constant_initializer_expr
+ {
+ var lt = (Tokenizer.LocatedToken) $2;
+ var li = new LocalVariable (current_block, lt.Value, LocalVariable.Flags.Constant, lt.Location);
+ var d = new BlockVariableDeclaration.Declarator (li, (Expression) $4);
+ current_variable.AddDeclarator (d);
+ current_block.AddLocalName (li);
+ lbag.AddLocation (d, GetLocation ($1), GetLocation ($3));
+ }
+ ;
+
+block_variable_initializer
+ : variable_initializer
+ | STACKALLOC simple_type OPEN_BRACKET_EXPR expression CLOSE_BRACKET
+ {
+ $$ = new StackAlloc ((Expression) $2, (Expression) $4, GetLocation ($1));
+ lbag.AddLocation ($$, GetLocation ($3), GetLocation ($5));
+ }
+ | STACKALLOC simple_type
+ {
+ Report.Error (1575, GetLocation ($1), "A stackalloc expression requires [] after type");
+ $$ = new StackAlloc ((Expression) $2, null, GetLocation ($1));
}
;
$$ = new StatementExpression (s);
}
- | error
- {
- Error_SyntaxError (yyToken);
- $$ = null;
- }
;
interactive_statement_expression
embedded_statement
{
if ($5 is EmptyStatement)
- Report.Warning (642, 3, GetLocation ($5), "Possible mistaken empty statement");
+ Warning_EmptyStatement (GetLocation ($5));
$$ = new If ((BooleanExpression) $3, (Statement) $5, GetLocation ($1));
lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
embedded_statement ELSE embedded_statement
{
$$ = new If ((BooleanExpression) $3, (Statement) $5, (Statement) $7, GetLocation ($1));
- lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4), GetLocation ($5));
+ lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4), GetLocation ($6));
if ($5 is EmptyStatement)
- Report.Warning (642, 3, GetLocation ($5), "Possible mistaken empty statement");
+ Warning_EmptyStatement (GetLocation ($5));
if ($7 is EmptyStatement)
- Report.Warning (642, 3, GetLocation ($7), "Possible mistaken empty statement");
+ Warning_EmptyStatement (GetLocation ($7));
}
;
switch_statement
- : SWITCH open_parens_any
- {
- if (switch_stack == null)
- switch_stack = new Stack<Block> (2);
- switch_stack.Push (current_block);
+ : SWITCH open_parens_any expression CLOSE_PARENS OPEN_BRACE
+ {
+ start_block (GetLocation ($5));
}
- expression CLOSE_PARENS
- OPEN_BRACE opt_switch_sections CLOSE_BRACE
+ opt_switch_sections CLOSE_BRACE
{
- $$ = new Switch ((Expression) $4, (List<SwitchSection>) $7, GetLocation ($1));
- lbag.AddStatement ($$, GetLocation ($2), GetLocation ($5), GetLocation ($6), GetLocation ($8));
-
- current_block = (Block) switch_stack.Pop ();
+ $$ = new Switch ((Expression) $3, (ExplicitBlock) current_block.Explicit, (List<SwitchSection>) $7, GetLocation ($1));
+ end_block (GetLocation ($8));
+ lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
}
;
opt_switch_sections
: /* empty */
{
- Report.Warning (1522, 1, lexer.Location, "Empty switch block");
+ Report.Warning (1522, 1, current_block.StartLocation, "Empty switch block");
$$ = new List<SwitchSection> ();
}
| switch_sections
sections.Add ((SwitchSection) $2);
$$ = sections;
}
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = new List<SwitchSection> ();
+ }
;
switch_section
}
statement_list
{
- $$ = new SwitchSection ((List<SwitchLabel>) $1, current_block.Explicit);
+ $$ = new SwitchSection ((List<SwitchLabel>) $1, current_block);
}
;
while_statement
: WHILE open_parens_any boolean_expression CLOSE_PARENS embedded_statement
{
+ if ($5 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($5));
+
$$ = new While ((BooleanExpression) $3, (Statement) $5, GetLocation ($1));
lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
}
;
for_statement
- : FOR open_parens_any opt_for_initializer SEMICOLON
+ : FOR open_parens_any
{
- Location l = lexer.Location;
- start_block (l);
- Block assign_block = current_block;
-
- if ($3 is Tuple<FullNamedExpression, List<object>>){
- var de = (Tuple<FullNamedExpression, List<object>>) $3;
-
- var type = de.Item1;
-
- foreach (VariableDeclaration decl in de.Item2){
-
- LocalInfo vi;
-
- vi = current_block.AddVariable (type, decl.identifier, decl.Location);
- if (vi == null)
- continue;
-
- Expression expr = decl.GetInitializer (type);
-
- LocalVariableReference var;
- var = new LocalVariableReference (assign_block, decl.identifier, l);
-
- if (expr != null) {
- Assign a = new SimpleAssign (var, expr, decl.Location);
-
- assign_block.AddStatement (new StatementExpression (a));
- }
- }
-
- // Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.
- // This can be referred to as $5 below.
- $$ = null;
- } else {
- $$ = $3;
- }
- }
+ start_block (GetLocation ($2));
+ current_block.IsCompilerGenerated = true;
+ }
+ for_statement_cont
+ {
+ $$ = $4;
+ }
+ ;
+
+// Has to use be extra rule to recover started block
+for_statement_cont
+ : opt_for_initializer SEMICOLON
opt_for_condition SEMICOLON
- opt_for_iterator CLOSE_PARENS
+ opt_for_iterator CLOSE_PARENS
embedded_statement
{
- For f = new For ((Statement) $5, (BooleanExpression) $6, (Statement) $8, (Statement) $10, GetLocation ($1));
+ if ($7 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($7));
+
+ For f = new For ((Statement) $1, (BooleanExpression) $3, (Statement) $5, (Statement) $7, GetLocation ($-2));
current_block.AddStatement (f);
- lbag.AddStatement (f, GetLocation ($2), GetLocation ($4), GetLocation ($7), GetLocation ($9));
+ lbag.AddStatement (f, current_block.StartLocation, GetLocation ($2), GetLocation ($4), GetLocation ($6));
- $$ = end_block (lexer.Location);
+ $$ = end_block (GetLocation ($2));
+ }
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = end_block (current_block.StartLocation);
}
;
;
for_initializer
- : local_variable_declaration
+ : variable_type IDENTIFIER
+ {
+ var lt = (Tokenizer.LocatedToken) $2;
+ var li = new LocalVariable (current_block, lt.Value, lt.Location);
+ current_block.AddLocalName (li);
+ current_variable = new BlockVariableDeclaration ((FullNamedExpression) $1, li);
+ }
+ opt_local_variable_initializer opt_variable_declarators
+ {
+ $$ = current_variable;
+ current_variable = null;
+ }
| statement_expression_list
;
;
statement_expression_list
- : statement_expression
- {
- Statement s = (Statement) $1;
- Block b = new Block (current_block, s.loc, lexer.Location);
-
- b.AddStatement (s);
- $$ = b;
- }
+ : statement_expression
| statement_expression_list COMMA statement_expression
{
- ((Block) $1).AddStatement ((Statement) $3);
- lbag.AddStatement ($3, GetLocation ($2));
-
- $$ = $1;
+ var sl = $1 as StatementList;
+ if (sl == null) {
+ sl = new StatementList ((Statement) $1, (Statement) $3);
+ lbag.AddStatement (sl, GetLocation ($2));
+ } else {
+ sl.Add ((Statement) $3);
+ lbag.AppendTo (sl, GetLocation ($2));
+ }
+
+ $$ = sl;
}
;
Report.Error (230, GetLocation ($1), "Type and identifier are both required in a foreach statement");
$$ = null;
}
- | FOREACH open_parens_any type IDENTIFIER IN
- expression CLOSE_PARENS
+ | FOREACH open_parens_any type IDENTIFIER IN expression CLOSE_PARENS
{
- start_block (lexer.Location);
- Block foreach_block = current_block;
-
+ start_block (GetLocation ($2));
+ current_block.IsCompilerGenerated = true;
+
var lt = (Tokenizer.LocatedToken) $4;
- Location l = lt.Location;
- LocalInfo vi = foreach_block.AddVariable ((Expression) $3, lt.Value, l);
- if (vi != null) {
- vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Foreach);
-
- // Get a writable reference to this read-only variable.
- //
- // Note that the $$ here refers to the value of _this_ code block,
- // not the value of the LHS non-terminal. This can be referred to as $8 below.
- $$ = new LocalVariableReference (foreach_block, lt.Value, l, vi, false);
- } else {
- $$ = null;
- }
+ var li = new LocalVariable (current_block, lt.Value, LocalVariable.Flags.ForeachVariable | LocalVariable.Flags.Used, lt.Location);
+ current_block.AddLocalName (li);
+ $$ = li;
}
- embedded_statement
+ embedded_statement
{
- if ($8 != null) {
- Foreach f = new Foreach ((Expression) $3, (LocalVariableReference) $8, (Expression) $6, (Statement) $9, GetLocation ($1));
- lbag.AddStatement (f, GetLocation ($2), GetLocation ($5), GetLocation ($7));
-
- current_block.AddStatement (f);
- }
-
- $$ = end_block (lexer.Location);
+ if ($9 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($9));
+
+ Foreach f = new Foreach ((Expression) $3, (LocalVariable) $8, (Expression) $6, (Statement) $9, GetLocation ($1));
+ current_block.AddStatement (f);
+
+ lbag.AddStatement (f, GetLocation ($2), GetLocation ($5), GetLocation ($7));
+ $$ = end_block (GetLocation ($7));
}
;
Report.Error (1003, lt.Location, "; expected");
} else if ($3 == null) {
Report.Error (1627, GetLocation ($4), "Expression expected after yield return");
- } else if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotAvailable (lt.Location, "iterators");
+ } else if (lang_version == LanguageVersion.ISO_1){
+ FeatureIsNotAvailable (lt.Location, "iterators");
}
- current_block.Toplevel.IsIterator = true;
+ current_block.ParametersBlock.TopBlock.IsIterator = true;
$$ = new Yield ((Expression) $3, lt.Location);
lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
}
string s = lt.Value;
if (s != "yield"){
Report.Error (1003, lt.Location, "; expected");
- } else if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotAvailable (lt.Location, "iterators");
+ } else if (lang_version == LanguageVersion.ISO_1){
+ FeatureIsNotAvailable (lt.Location, "iterators");
}
- current_block.Toplevel.IsIterator = true;
+ current_block.ParametersBlock.TopBlock.IsIterator = true;
$$ = new YieldBreak (lt.Location);
lbag.AddStatement ($$, GetLocation ($2), GetLocation ($3));
}
;
opt_identifier
- : /* empty */ { $$ = null; }
+ : /* empty */
| IDENTIFIER
;
catch_clause
- : CATCH opt_catch_args
+ : CATCH block
{
- if ($2 != null) {
- var cc = (Tuple<FullNamedExpression, Tokenizer.LocatedToken>) $2;
- var lt = cc.Item2;
-
- if (lt != null){
- List<object> one = new List<object> (1);
-
- one.Add (new VariableDeclaration (lt, null));
+ $$ = new Catch ((Block) $2, GetLocation ($1));
+ }
+ | CATCH open_parens_any type opt_identifier CLOSE_PARENS
+ {
+ start_block (GetLocation ($2));
+ var c = new Catch (current_block, GetLocation ($1));
+ c.TypeExpression = (FullNamedExpression) $3;
- start_block (lexer.Location);
- current_block = declare_local_variables (cc.Item1, one, lt.Location);
- }
- }
- } block {
- Expression type = null;
- string id = null;
- Block var_block = null;
-
- if ($2 != null){
- var cc = (Tuple<FullNamedExpression, Tokenizer.LocatedToken>) $2;
- type = cc.Item1;
- var lt = cc.Item2;
-
- if (lt != null){
- id = lt.Value;
- var_block = end_block (lexer.Location);
- }
+ if ($4 != null) {
+ var lt = (Tokenizer.LocatedToken) $4;
+ c.Variable = new LocalVariable (current_block, lt.Value, lt.Location);
+ current_block.AddLocalName (c.Variable);
}
-
- $$ = new Catch (type, id, (Block) $4, var_block, ((Block) $4).loc);
+
+ lbag.AddLocation (c, GetLocation ($2), GetLocation ($5));
+ $$ = c;
}
- ;
-
-opt_catch_args
- : /* empty */ { $$ = null; }
- | catch_args
- ;
-
-catch_args
- : open_parens_any type opt_identifier CLOSE_PARENS
+ block_prepared
{
- $$ = new Tuple<FullNamedExpression, Tokenizer.LocatedToken> ((FullNamedExpression)$2, (Tokenizer.LocatedToken) $3);
- lbag.AddLocation ($$, GetLocation ($1), GetLocation ($4));
+ $$ = $6;
}
- | open_parens_any CLOSE_PARENS
+ | CATCH open_parens_any error
{
- Report.Error (1015, GetLocation ($1), "A type that derives from `System.Exception', `object', or `string' expected");
- $$ = null;
+ if (yyToken == Token.CLOSE_PARENS) {
+ Report.Error (1015, lexer.Location,
+ "A type that derives from `System.Exception', `object', or `string' expected");
+ } else {
+ Error_SyntaxError (yyToken);
+ }
+
+ $$ = new Catch (null, GetLocation ($1));
}
;
unsafe_statement
: UNSAFE
{
- if (!RootContext.Unsafe)
+ if (!settings.Unsafe)
Error_UnsafeCodeNotAllowed (GetLocation ($1));
} block {
$$ = new Unsafe ((Block) $3, GetLocation ($1));
}
;
-fixed_statement
- : FIXED open_parens_any
- type_and_void fixed_pointer_declarators
- CLOSE_PARENS
- {
- start_block (lexer.Location);
- }
- embedded_statement
+lock_statement
+ : LOCK open_parens_any expression CLOSE_PARENS embedded_statement
{
- Expression type = (Expression) $3;
- var list = (List<KeyValuePair<Tokenizer.LocatedToken, Expression>>) $4;
- Fixed f = new Fixed (type,
- list.ConvertAll (i => {
- var v = new KeyValuePair<LocalInfo, Expression> (current_block.AddVariable (type, i.Key.Value, i.Key.Location), i.Value);
- if (v.Key != null) {
- v.Key.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
- v.Key.Pinned = true;
- }
- return v;
- }), (Statement) $7, GetLocation ($1));
-
- lbag.AddStatement (f, GetLocation ($2), GetLocation ($5));
-
- current_block.AddStatement (f);
-
- $$ = end_block (lexer.Location);
+ if ($5 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($5));
+
+ $$ = new Lock ((Expression) $3, (Statement) $5, GetLocation ($1));
+ lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
}
;
-fixed_pointer_declarators
- : fixed_pointer_declarator {
- var declarators = new List<KeyValuePair<Tokenizer.LocatedToken, Expression>> (2);
- if ($1 != null)
- declarators.Add ((KeyValuePair<Tokenizer.LocatedToken, Expression>)$1);
- $$ = declarators;
- }
- | fixed_pointer_declarators COMMA fixed_pointer_declarator
+fixed_statement
+ : FIXED open_parens_any variable_type IDENTIFIER
{
- var declarators = (List<KeyValuePair<Tokenizer.LocatedToken, Expression>>) $1;
- if ($3 != null)
- declarators.Add ((KeyValuePair<Tokenizer.LocatedToken, Expression>)$3);
- $$ = declarators;
+ start_block (GetLocation ($2));
+
+ current_block.IsCompilerGenerated = true;
+ var lt = (Tokenizer.LocatedToken) $4;
+ var li = new LocalVariable (current_block, lt.Value, LocalVariable.Flags.FixedVariable | LocalVariable.Flags.Used, lt.Location);
+ current_block.AddLocalName (li);
+ current_variable = new Fixed.VariableDeclaration ((FullNamedExpression) $3, li);
}
- ;
-
-fixed_pointer_declarator
- : IDENTIFIER ASSIGN expression
+ using_or_fixed_variable_initializer opt_variable_declarators CLOSE_PARENS
{
- var lt = (Tokenizer.LocatedToken) $1;
- $$ = new KeyValuePair<Tokenizer.LocatedToken, Expression> (lt, (Expression) $3);
+ $$ = current_variable;
+ current_variable = null;
}
- | IDENTIFIER
+ embedded_statement
{
- Report.Error (210, ((Tokenizer.LocatedToken) $1).Location, "You must provide an initializer in a fixed or using statement declaration");
- $$ = null;
+ if ($10 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($10));
+
+ Fixed f = new Fixed ((Fixed.VariableDeclaration) $9, (Statement) $10, GetLocation ($1));
+ current_block.AddStatement (f);
+ $$ = end_block (GetLocation ($8));
}
;
-lock_statement
- : LOCK open_parens_any expression CLOSE_PARENS embedded_statement
+using_statement
+ : USING open_parens_any variable_type IDENTIFIER
{
- $$ = new Lock ((Expression) $3, (Statement) $5, GetLocation ($1));
- lbag.AddStatement ($$, GetLocation ($2), GetLocation ($4));
+ start_block (GetLocation ($2));
+
+ current_block.IsCompilerGenerated = true;
+ var lt = (Tokenizer.LocatedToken) $4;
+ var li = new LocalVariable (current_block, lt.Value, LocalVariable.Flags.UsingVariable | LocalVariable.Flags.Used, lt.Location);
+ current_block.AddLocalName (li);
+ current_variable = new Using.VariableDeclaration ((FullNamedExpression) $3, li);
}
- ;
-
-using_statement
- : USING open_parens_any local_variable_declaration CLOSE_PARENS
+ using_or_fixed_variable_initializer opt_variable_declarators CLOSE_PARENS
{
- start_block (lexer.Location);
- Block assign_block = current_block;
-
- var de = (Tuple<FullNamedExpression, List<object>>) $3;
- Location l = GetLocation ($1);
-
- var vars = new Stack<Tuple<LocalVariableReference, Expression>> ();
-
- foreach (VariableDeclaration decl in de.Item2) {
- LocalInfo vi = current_block.AddVariable (de.Item1, decl.identifier, decl.Location);
- if (vi == null)
- continue;
- vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Using);
-
- Expression expr = decl.GetInitializer (de.Item1);
- if (expr == null) {
- Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
- continue;
- }
- LocalVariableReference var;
-
- // Get a writable reference to this read-only variable.
- var = new LocalVariableReference (assign_block, decl.identifier, l, vi, false);
-
- // This is so that it is not a warning on using variables
- vi.Used = true;
-
- vars.Push (new Tuple<LocalVariableReference, Expression> (var, expr));
-
- // Assign a = new SimpleAssign (var, expr, decl.Location);
- // assign_block.AddStatement (new StatementExpression (a));
- }
-
- // Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.
- // It can be referred to as $5 below.
- $$ = vars;
+ $$ = current_variable;
+ current_variable = null;
}
embedded_statement
{
- Statement stmt = (Statement) $6;
- var vars = (Stack<Tuple<LocalVariableReference, Expression>>) $5;
- Location l = GetLocation ($1);
-
- while (vars.Count > 0) {
- var de = vars.Pop ();
- stmt = new Using (de.Item1, de.Item2, stmt, l);
- }
- current_block.AddStatement (stmt);
- $$ = end_block (lexer.Location);
+ if ($10 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($10));
+
+ Using u = new Using ((Using.VariableDeclaration) $9, (Statement) $10, GetLocation ($1));
+ current_block.AddStatement (u);
+ $$ = end_block (GetLocation ($8));
}
- | USING open_parens_any expression CLOSE_PARENS
+ | USING open_parens_any expression CLOSE_PARENS embedded_statement
{
- start_block (lexer.Location);
+ if ($5 is EmptyStatement && lexer.peek_token () == Token.OPEN_BRACE)
+ Warning_EmptyStatement (GetLocation ($5));
+
+ Using u = new Using ((Expression) $3, (Statement) $5, GetLocation ($1));
+ lbag.AddStatement (u, GetLocation ($2), GetLocation ($4));
+ $$ = u;
}
- embedded_statement
+ ;
+
+using_or_fixed_variable_initializer
+ : /* empty */
{
- current_block.AddStatement (new UsingTemporary ((Expression) $3, (Statement) $6, GetLocation ($1)));
- $$ = end_block (lexer.Location);
+ Report.Error (210, lexer.Location, "You must provide an initializer in a fixed or using statement declaration");
}
- ;
+ | ASSIGN variable_initializer
+ {
+ current_variable.Initializer = (Expression) $2;
+ $$ = current_variable;
+ }
+ ;
// LINQ
first_from_clause
: FROM_FIRST IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
- var lt = (Tokenizer.LocatedToken) $2;
- $$ = new Linq.QueryExpression (new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$4, new SimpleMemberName (lt.Value, lt.Location), GetLocation ($1)));
+ var lt = (Tokenizer.LocatedToken) $2;
+ var rv = new Linq.RangeVariable (lt.Value, lt.Location);
+ $$ = new Linq.QueryExpression (new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$4, rv, GetLocation ($1)));
}
| FROM_FIRST type IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
var lt = (Tokenizer.LocatedToken) $3;
+ var rv = new Linq.RangeVariable (lt.Value, lt.Location);
$$ = new Linq.QueryExpression (
- new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$5, new SimpleMemberName (lt.Value, lt.Location), GetLocation ($1)) {
+ new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$5, rv, GetLocation ($1)) {
IdentifierType = (FullNamedExpression)$2
}
);
nested_from_clause
: FROM IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
- var lt = (Tokenizer.LocatedToken) $2;
- $$ = new Linq.QueryExpression (new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$4, new SimpleMemberName (lt.Value, lt.Location), GetLocation ($1)));
+ var lt = (Tokenizer.LocatedToken) $2;
+ var rv = new Linq.RangeVariable (lt.Value, lt.Location);
+ $$ = new Linq.QueryExpression (new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$4, rv, GetLocation ($1)));
}
| FROM type IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
var lt = (Tokenizer.LocatedToken) $3;
+ var rv = new Linq.RangeVariable (lt.Value, lt.Location);
$$ = new Linq.QueryExpression (
- new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$5, new SimpleMemberName (lt.Value, lt.Location), GetLocation ($1)) {
+ new Linq.QueryStartClause ((Linq.QueryBlock)current_block, (Expression)$5, rv, GetLocation ($1)) {
IdentifierType = (FullNamedExpression)$2
}
);
from_clause
: FROM IDENTIFIER IN
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression
{
var lt = (Tokenizer.LocatedToken) $2;
- var sn = new SimpleMemberName (lt.Value, lt.Location);
+ var sn = new Linq.RangeVariable (lt.Value, lt.Location);
$$ = new Linq.SelectMany ((Linq.QueryBlock)current_block, sn, (Expression)$5, GetLocation ($1));
current_block.SetEndLocation (lexer.Location);
}
| FROM type IDENTIFIER IN
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression
{
var lt = (Tokenizer.LocatedToken) $3;
- var sn = new SimpleMemberName (lt.Value, lt.Location);
+ var sn = new Linq.RangeVariable (lt.Value, lt.Location);
$$ = new Linq.SelectMany ((Linq.QueryBlock)current_block, sn, (Expression)$6, GetLocation ($1)) {
IdentifierType = (FullNamedExpression)$2
$$ = head;
}
| opt_query_body_clauses COMPLETE_COMPLETION
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = null;
+ }
;
select_or_group_clause
: SELECT
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression
{
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Linq.QueryBlock> ();
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
linq_clause_blocks.Push ((Linq.QueryBlock)current_block);
}
expression
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
BY expression
{
let_clause
: LET IDENTIFIER ASSIGN
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression
{
var lt = (Tokenizer.LocatedToken) $2;
- var sn = new SimpleMemberName (lt.Value, lt.Location);
+ var sn = new Linq.RangeVariable (lt.Value, lt.Location);
$$ = new Linq.Let ((Linq.QueryBlock) current_block, sn, (Expression)$5, GetLocation ($1));
current_block.SetEndLocation (lexer.Location);
where_clause
: WHERE
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
- boolean_expression
+ expression
{
- $$ = new Linq.Where ((Linq.QueryBlock)current_block, (BooleanExpression)$3, GetLocation ($1));
+ $$ = new Linq.Where ((Linq.QueryBlock)current_block, (Expression)$3, GetLocation ($1));
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Linq.QueryBlock> ();
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
linq_clause_blocks.Push ((Linq.QueryBlock) current_block);
}
expression ON
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
linq_clause_blocks.Push ((Linq.QueryBlock) current_block);
}
expression EQUALS
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression opt_join_into
{
- var lt = (Tokenizer.LocatedToken) $2;
- var sn = new SimpleMemberName (lt.Value, lt.Location);
- SimpleMemberName sn2 = null;
-
+ current_block.AddStatement (new ContextualReturn ((Expression) $11));
+ current_block.SetEndLocation (lexer.Location);
+
var outer_selector = linq_clause_blocks.Pop ();
var block = linq_clause_blocks.Pop ();
+ var lt = (Tokenizer.LocatedToken) $2;
+ var sn = new Linq.RangeVariable (lt.Value, lt.Location);
+ Linq.RangeVariable into;
+
if ($12 == null) {
+ into = sn;
$$ = new Linq.Join (block, sn, (Expression)$5, outer_selector, (Linq.QueryBlock) current_block, GetLocation ($1));
} else {
- var lt2 = (Tokenizer.LocatedToken) $12;
- sn2 = new SimpleMemberName (lt2.Value, lt2.Location);
- $$ = new Linq.GroupJoin (block, sn, (Expression)$5, outer_selector, (Linq.QueryBlock) current_block,
- sn2, GetLocation ($1));
+ //
+ // Set equals right side parent to beginning of linq query, it is not accessible therefore cannot cause name collisions
+ //
+ var parent = block.Parent;
+ while (parent is Linq.QueryBlock) {
+ parent = parent.Parent;
+ }
+ current_block.Parent = parent;
+
+ ((Linq.QueryBlock)current_block).AddRangeVariable (sn);
+
+ lt = (Tokenizer.LocatedToken) $12;
+ into = new Linq.RangeVariable (lt.Value, lt.Location);
+
+ $$ = new Linq.GroupJoin (block, sn, (Expression)$5, outer_selector, (Linq.QueryBlock) current_block, into, GetLocation ($1));
}
- current_block.AddStatement (new ContextualReturn ((Expression) $11));
- current_block.SetEndLocation (lexer.Location);
- current_block = current_block.Parent;
-
- ((Linq.QueryBlock)current_block).AddRangeVariable (sn2 ?? sn);
+ current_block = block.Parent;
+ ((Linq.QueryBlock)current_block).AddRangeVariable (into);
}
| JOIN type IDENTIFIER IN
{
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Linq.QueryBlock> ();
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
linq_clause_blocks.Push ((Linq.QueryBlock) current_block);
}
expression ON
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
linq_clause_blocks.Push ((Linq.QueryBlock) current_block);
}
expression EQUALS
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
expression opt_join_into
{
- var lt = (Tokenizer.LocatedToken) $3;
- var sn = new SimpleMemberName (lt.Value, lt.Location);
- SimpleMemberName sn2 = null;
+ current_block.AddStatement (new ContextualReturn ((Expression) $12));
+ current_block.SetEndLocation (lexer.Location);
+
var outer_selector = linq_clause_blocks.Pop ();
var block = linq_clause_blocks.Pop ();
+ var lt = (Tokenizer.LocatedToken) $3;
+ var sn = new Linq.RangeVariable (lt.Value, lt.Location);
+ Linq.RangeVariable into;
+
if ($13 == null) {
+ into = sn;
$$ = new Linq.Join (block, sn, (Expression)$6, outer_selector, (Linq.QueryBlock) current_block, GetLocation ($1)) {
IdentifierType = (FullNamedExpression)$2
};
} else {
- var lt2 = (Tokenizer.LocatedToken) $13;
- sn2 = new SimpleMemberName (lt2.Value, lt2.Location);
- $$ = new Linq.GroupJoin (block, sn, (Expression)$6, outer_selector, (Linq.QueryBlock) current_block, sn2, GetLocation ($1)) {
+ //
+ // Set equals right side parent to beginning of linq query, it is not accessible therefore cannot cause name collisions
+ //
+ var parent = block.Parent;
+ while (parent is Linq.QueryBlock) {
+ parent = parent.Parent;
+ }
+ current_block.Parent = parent;
+
+ ((Linq.QueryBlock)current_block).AddRangeVariable (sn);
+
+ lt = (Tokenizer.LocatedToken) $13;
+ into = new Linq.RangeVariable (lt.Value, lt.Location); // TODO:
+
+ $$ = new Linq.GroupJoin (block, sn, (Expression)$6, outer_selector, (Linq.QueryBlock) current_block, into, GetLocation ($1)) {
IdentifierType = (FullNamedExpression)$2
};
}
- current_block.AddStatement (new ContextualReturn ((Expression) $12));
- current_block.SetEndLocation (lexer.Location);
- current_block = current_block.Parent;
-
- ((Linq.QueryBlock)current_block).AddRangeVariable (sn2 ?? sn);
+ current_block = block.Parent;
+ ((Linq.QueryBlock)current_block).AddRangeVariable (into);
}
;
orderby_clause
: ORDERBY
{
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
orderings
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
orderings_then_by
{
current_block.SetEndLocation (lexer.Location);
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, (Linq.QueryBlock) current_block, lexer.Location);
+ current_block = new Linq.QueryBlock ((Linq.QueryBlock) current_block, lexer.Location);
}
then_by
{
current_block.SetEndLocation (GetLocation ($1));
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (compiler, current_block, lexer.Location);
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
if (linq_clause_blocks == null)
linq_clause_blocks = new Stack<Linq.QueryBlock> ();
{
var current_block = linq_clause_blocks.Pop ();
var lt = (Tokenizer.LocatedToken) $2;
- $$ = new Linq.QueryStartClause ((Linq.QueryBlock)current_block, null, new SimpleMemberName (lt.Value, lt.Location), GetLocation ($1)) {
+ var rv = new Linq.RangeVariable (lt.Value, lt.Location);
+ $$ = new Linq.QueryStartClause ((Linq.QueryBlock)current_block, null, rv, GetLocation ($1)) {
next = (Linq.AQueryClause)$4
};
}
interactive_parsing
: EVAL_STATEMENT_PARSER EOF
- | EVAL_USING_DECLARATIONS_UNIT_PARSER using_directives
- | EVAL_STATEMENT_PARSER {
- Evaluator.LoadAliases (current_namespace);
-
- push_current_class (new Class (current_namespace, current_class, new MemberName ("Class" + class_count++),
- Modifiers.PUBLIC, null), null);
-
- var baseclass_list = new List<FullNamedExpression> ();
- baseclass_list.Add (new TypeExpression (Evaluator.InteractiveBaseClass, lexer.Location));
- current_container.AddBasesForPart (current_class, baseclass_list);
+ | EVAL_USING_DECLARATIONS_UNIT_PARSER using_directives opt_COMPLETE_COMPLETION
+ | EVAL_STATEMENT_PARSER
+ {
+ current_container = new Class (current_namespace, current_class, new MemberName ("<InteractiveExpressionClass>"), Modifiers.PUBLIC, null);
+ current_class = current_container;
// (ref object retval)
Parameter [] mpar = new Parameter [1];
mpar [0] = new Parameter (new TypeExpression (TypeManager.object_type, Location.Null), "$retval", Parameter.Modifier.REF, null, Location.Null);
- ParametersCompiled pars = new ParametersCompiled (compiler, mpar);
+ ParametersCompiled pars = new ParametersCompiled (mpar);
+ var mods = Modifiers.PUBLIC | Modifiers.STATIC;
+ if (settings.Unsafe)
+ mods |= Modifiers.UNSAFE;
+
current_local_parameters = pars;
Method method = new Method (
current_class,
null, // generic
new TypeExpression (TypeManager.void_type, Location.Null),
- Modifiers.PUBLIC | Modifiers.STATIC,
+ mods,
new MemberName ("Host"),
pars,
null /* attributes */);
+
+ current_container.AddMethod (method);
oob_stack.Push (method);
- ++lexer.parsing_block;
+ ++lexer.parsing_block;
start_block (lexer.Location);
}
interactive_statement_list opt_COMPLETE_COMPLETION
Method method = (Method) oob_stack.Pop ();
method.Block = (ToplevelBlock) end_block(lexer.Location);
- current_container.AddMethod (method);
- --lexer.parsing_declaration;
- InteractiveResult = pop_current_class ();
+ InteractiveResult = (Class) pop_current_class ();
current_local_parameters = null;
}
- | EVAL_COMPILATION_UNIT_PARSER {
- Evaluator.LoadAliases (current_namespace);
- }
- interactive_compilation_unit
+ | EVAL_COMPILATION_UNIT_PARSER interactive_compilation_unit
;
interactive_compilation_unit
;
%%
-// <summary>
-// A class used to pass around variable declarations and constants
-// </summary>
-class VariableDeclaration {
- public string identifier;
- Expression initializer;
- public Location Location;
- public Attributes OptAttributes;
- public string DocComment;
-
- public VariableDeclaration (Tokenizer.LocatedToken lt, Expression initializer, Attributes opt_attrs)
- {
- this.identifier = lt.Value;
- this.initializer = initializer;
- this.Location = lt.Location;
- this.OptAttributes = opt_attrs;
- }
-
- public VariableDeclaration (Tokenizer.LocatedToken lt, Expression initializer)
- : this (lt, initializer, null)
- {
- }
-
- public Expression GetInitializer (FullNamedExpression type)
- {
- if (initializer is ArrayInitializer)
- return new ArrayCreation (type, (ArrayInitializer)initializer);
-
- return initializer;
- }
-
- public bool HasInitializer {
- get { return initializer != null; }
- }
-}
-
-class VariableMemberDeclaration
-{
- public readonly MemberName MemberName;
- Expression initializer;
-
- public VariableMemberDeclaration (MemberName mn, Expression initializer)
- {
- MemberName = mn;
- this.initializer = initializer;
- }
-
- public Expression GetInitializer (FullNamedExpression type)
- {
- if (initializer is ArrayInitializer)
- return new ArrayCreation (type, (ArrayInitializer)initializer);
-
- return initializer;
- }
-}
-
-
// <summary>
// A class used to hold info about an operator declarator
// </summary>
-struct OperatorDeclaration {
+class OperatorDeclaration {
public readonly Operator.OpType optype;
public readonly FullNamedExpression ret_type;
public readonly Location location;
Report.Error (227, loc, "Unsafe code requires the `unsafe' command line option to be specified");
}
+void Warning_EmptyStatement (Location loc)
+{
+ Report.Warning (642, 3, loc, "Possible mistaken empty statement");
+}
+
void Error_NamedArgumentExpected (NamedArgument a)
{
Report.Error (1738, a.Location, "Named arguments must appear after the positional arguments");
void push_current_class (TypeContainer tc, object partial_token)
{
- if (RootContext.EvalMode){
- tc.ModFlags = (tc.ModFlags & ~(Modifiers.PRIVATE|Modifiers.INTERNAL)) | Modifiers.PUBLIC;
+ if (module.Evaluator != null){
+ tc.Definition.Modifiers = tc.ModFlags = (tc.ModFlags & ~Modifiers.AccessibilityMask) | Modifiers.PUBLIC;
+ if (undo == null)
+ undo = new Undo ();
undo.AddTypeContainer (current_container, tc);
}
mod_locations.Add (Tuple.Create ((Modifiers) token, loc));
}
-Block declare_local_variables (FullNamedExpression type, List<object> variable_declarators, Location loc)
-{
- Block implicit_block;
-
- //
- // If we are doing interactive editing, we want variable declarations
- // that are in the top block to be added instead to the class as
- // static variables
- //
- if (RootContext.StatementMode){
- bool hoist = true;
-
- for (Block b = current_block; b != null; b = b.Parent){
- if (b is ExplicitBlock && !(b is ToplevelBlock)){
- // There has been an explicit block, we cant add to the class
- hoist = false;
- break;
- }
- }
- if (hoist){
- //
- // We can use "current_block" since we know there are no explicit blocks
- //
- foreach (VariableDeclaration decl in variable_declarators){
- // We can not use the super-handy f.Initializer, because
- // multiple lines would force code to be executed out of sync
- var init = decl.GetInitializer (type);
- if (init != null){
- string id = "$" + decl.identifier;
- LocalInfo vi = current_block.AddVariable (type, id, decl.Location);
-
- // Avoid warning about this variable not being used.
- vi.Used = true;
-
- LocalVariableReference var;
- var = new LocalVariableReferenceWithClassSideEffect (current_container, decl.identifier, current_block, id, vi, decl.Location);
- Assign assign = new SimpleAssign (var, init, decl.Location);
- current_block.AddStatement (new StatementExpression (assign));
- assign = new SimpleAssign (new SimpleName (decl.identifier, decl.Location), var);
- current_block.AddStatement (new StatementExpression (assign));
- } else {
- Field f = new Field (current_container, (FullNamedExpression) type, Modifiers.PUBLIC | Modifiers.STATIC,
- new MemberName (decl.identifier, loc), null);
- current_container.AddField (f);
-
- // Register the field to be visible later as a global variable
- Evaluator.QueueField (f);
- }
- }
-
- return current_block;
- }
- }
-
- //
- // We use the `Used' property to check whether statements
- // have been added to the current block. If so, we need
- // to create another block to contain the new declaration
- // otherwise, as an optimization, we use the same block to
- // add the declaration.
- //
- // FIXME: A further optimization is to check if the statements
- // that were added were added as part of the initialization
- // below. In which case, no other statements have been executed
- // and we might be able to reduce the number of blocks for
- // situations like this:
- //
- // int j = 1; int k = j + 1;
- //
- if (current_block.Used)
- implicit_block = new Block (current_block, loc, lexer.Location);
- else
- implicit_block = current_block;
-
- foreach (VariableDeclaration decl in variable_declarators){
-
- if (implicit_block.AddVariable (type, decl.identifier, decl.Location) != null) {
- if (decl.HasInitializer){
- Assign assign;
-
- var lvr = new LocalVariableReference (implicit_block, decl.identifier, loc);
-
- assign = new SimpleAssign (lvr, decl.GetInitializer (type), decl.Location);
-
- implicit_block.AddStatement (new StatementExpression (assign));
- }
- }
- }
-
- return implicit_block;
-}
-
-Block declare_local_constants (FullNamedExpression type, List<object> declarators)
-{
- Block implicit_block;
-
- if (current_block.Used)
- implicit_block = new Block (current_block);
- else
- implicit_block = current_block;
-
- foreach (VariableDeclaration decl in declarators){
- implicit_block.AddConstant (type, decl.identifier, decl.GetInitializer (type), decl.Location);
- }
-
- return implicit_block;
-}
-
string CheckAttributeTarget (string a, Location l)
{
switch (a) {
oob_stack = new Stack<object> ();
}
-public CSharpParser (SeekableStreamReader reader, CompilationUnit file, CompilerContext ctx)
+public CSharpParser (SeekableStreamReader reader, CompilationUnit file, ModuleContainer module)
+ : this (reader, file, module, new NamespaceEntry (module, null, file, null))
{
- if (RootContext.EvalMode)
- undo = new Undo ();
+}
+public CSharpParser (SeekableStreamReader reader, CompilationUnit file, ModuleContainer module, NamespaceEntry ns)
+{
this.file = file;
- this.compiler = ctx;
- current_namespace = new NamespaceEntry (null, file, null);
+ this.module = module;
+ this.compiler = module.Compiler;
+ this.settings = compiler.Settings;
+ lang_version = settings.Version;
+ doc_support = settings.Documentation != null;
+ current_namespace = ns;
current_class = current_namespace.SlaveDeclSpace;
current_container = current_class.PartialContainer; // == RootContest.ToplevelTypes
oob_stack.Clear ();
- lexer = new Tokenizer (reader, file, ctx);
+ lexer = new Tokenizer (reader, file, compiler);
use_global_stacks = true;
}
Tokenizer tokenizer = lexer as Tokenizer;
tokenizer.cleanup ();
} catch (Exception e){
- if (e is yyParser.yyUnexpectedEof)
+ if (e is yyParser.yyUnexpectedEof) {
+ Error_SyntaxError (yyToken);
UnexpectedEOF = true;
-
- if (e is yyParser.yyException)
+ return;
+ }
+
+ if (e is yyParser.yyException) {
Report.Error (-25, lexer.Location, "Parsing error");
- else if (yacc_verbose_flag > 0)
- throw; // Used by compiler-tester to test internal errors
- else
+ } else {
+ // Used by compiler-tester to test internal errors
+ if (yacc_verbose_flag > 0)
+ throw;
+
Report.Error (589, lexer.Location, "Internal compiler error during parsing");
+ }
}
if (RootContext.ToplevelTypes.NamespaceEntry != null)
Report.Error (error, loc, msg);
}
-void CheckIdentifierToken (int yyToken, Location loc)
-{
- CheckToken (1041, yyToken, "Identifier expected", loc);
-}
-
string ConsumeStoredComment ()
{
string s = tmpComment;
return s;
}
-Location GetLocation (object obj)
+void FeatureIsNotAvailable (Location loc, string feature)
{
- if (obj is Tokenizer.LocatedToken)
- return ((Tokenizer.LocatedToken) obj).Location;
- if (obj is MemberName)
- return ((MemberName) obj).Location;
+ compiler.Report.FeatureIsNotAvailable (compiler, loc, feature);
+}
- if (obj is Expression)
- return ((Expression) obj).Location;
+Location GetLocation (object obj)
+{
+ var lt = obj as Tokenizer.LocatedToken;
+ if (lt != null)
+ return lt.Location;
+
+ var mn = obj as MemberName;
+ if (mn != null)
+ return mn.Location;
+
+ var expr = obj as Expression;
+ if (expr != null)
+ return expr.Location;
return lexer.Location;
}
void start_block (Location loc)
{
- if (current_block == null || parsing_anonymous_method) {
- current_block = new ToplevelBlock (compiler, current_block, current_local_parameters, loc);
+ if (current_block == null) {
+ current_block = new ToplevelBlock (compiler, current_local_parameters, loc);
+ parsing_anonymous_method = false;
+ } else if (parsing_anonymous_method) {
+ current_block = new ParametersBlock (current_block, current_local_parameters, loc);
parsing_anonymous_method = false;
} else {
current_block = new ExplicitBlock (current_block, loc, Location.Null);
return retval;
}
-void
-start_anonymous (bool lambda, ParametersCompiled parameters, Location loc)
+void start_anonymous (bool lambda, ParametersCompiled parameters, Location loc)
{
- if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotAvailable (loc, "anonymous methods");
+ if (lang_version == LanguageVersion.ISO_1){
+ FeatureIsNotAvailable (loc, "anonymous methods");
}
oob_stack.Push (current_anonymous_method);
oob_stack.Push (current_local_parameters);
+ oob_stack.Push (current_variable);
current_local_parameters = parameters;
* 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)
+AnonymousMethodExpression end_anonymous (ParametersBlock anon_block)
{
AnonymousMethodExpression retval;
current_anonymous_method.Block = anon_block;
retval = current_anonymous_method;
+ current_variable = (BlockVariableDeclaration) oob_stack.Pop ();
current_local_parameters = (ParametersCompiled) oob_stack.Pop ();
current_anonymous_method = (AnonymousMethodExpression) oob_stack.Pop ();
}
}
-
void Error_SyntaxError (int token)
{
Error_SyntaxError (0, token, "Unexpected symbol");
void Error_SyntaxError (int error_code, int token, string msg)
{
+ // An error message has been reported by tokenizer
+ if (token == Token.ERROR)
+ return;
+
string symbol = GetSymbolName (token);
string expecting = GetExpecting ();
+ var loc = lexer.Location - symbol.Length;
if (error_code == 0) {
- if (expecting == "`)'")
+ if (expecting == "`identifier'") {
+ if (token > Token.FIRST_KEYWORD && token < Token.LAST_KEYWORD) {
+ Report.Error (1041, loc, "Identifier expected, `{0}' is a keyword", symbol);
+ return;
+ }
+
+ error_code = 1001;
+ expecting = "identifier";
+ } else if (expecting == "`)'") {
error_code = 1026;
- else
+ } else {
error_code = 1525;
+ }
}
if (string.IsNullOrEmpty (expecting))
- Report.Error (error_code, lexer.Location, "{1} `{0}'", symbol, msg);
+ Report.Error (error_code, loc, "{1} `{0}'", symbol, msg);
else
- Report.Error (error_code, lexer.Location, "{2} `{0}', expecting {1}", symbol, expecting, msg);
+ Report.Error (error_code, loc, "{2} `{0}', expecting {1}", symbol, expecting, msg);
}
string GetExpecting ()
return "as";
case Token.ADD:
return "add";
+ case Token.ASYNC:
+ return "async";
case Token.BASE:
return "base";
case Token.BREAK:
case Token.IDENTIFIER:
return "identifier";
+ case Token.EOF:
+ return "end-of-file";
+
// All of these are internal.
case Token.NONE:
case Token.ERROR:
case Token.FIRST_KEYWORD:
- case Token.EOF:
case Token.EVAL_COMPILATION_UNIT_PARSER:
case Token.EVAL_USING_DECLARATIONS_UNIT_PARSER:
case Token.EVAL_STATEMENT_PARSER:
projects / mono.git / blobdiff