// FIXME: This is very ugly and it's very hard to reset it correctly
// on all places, especially when some parameters are autogenerated.
- Parameters current_local_parameters;
+ ParametersCompiled current_local_parameters;
/// <summary>
/// Using during property parsing to describe the implicit
/// methods (properties and indexers).
/// </summary>
FullNamedExpression implicit_value_parameter_type;
- Parameters indexer_parameters;
+ ParametersCompiled indexer_parameters;
/// <summary>
/// Hack to help create non-typed array initializer
bool global_attrs_enabled = true;
bool has_get, has_set;
bool parameter_modifiers_not_allowed;
- bool params_modifiers_not_allowed;
+ bool complex_parameters_modifiers_not_allowed;
bool arglist_allowed;
-
+ bool default_parameter_used;
/// When using the interactive parser, this holds the
/// resulting expression
// Keeps track of global data changes to undo on parser error
//
public Undo undo;
+
+ // Stack<ToplevelBlock>
+ Stack linq_clause_blocks;
// A counter to create new class names in interactive mode
static int class_count;
%token ABSTRACT
%token AS
%token ADD
-%token ASSEMBLY
%token BASE
%token BOOL
%token BREAK
%token ARGLIST
%token PARTIAL
%token ARROW
-%token QUERY_FIRST_TOKEN
%token FROM
+%token FROM_FIRST
%token JOIN
%token ON
%token EQUALS
%token ASCENDING
%token DESCENDING
%token INTO
-%token QUERY_LAST_TOKEN
%token INTERR_NULLABLE
+%token EXTERN_ALIAS
+
+/* Generics <,> tokens */
+%token OP_GENERICS_LT
+%token OP_GENERICS_LT_DECL
+%token OP_GENERICS_GT
/* C# keywords which are not really keywords */
%token GET
%token CLOSE_BRACKET
%token OPEN_PARENS
%token CLOSE_PARENS
+
%token DOT
%token COMMA
%token COLON
%token BANG
%token ASSIGN
%token OP_LT
-%token OP_GENERICS_LT
-%token OP_GENERICS_LT_DECL
%token OP_GT
-%token OP_GENERICS_GT
%token BITWISE_AND
%token BITWISE_OR
%token STAR
%token IDENTIFIER
%token OPEN_PARENS_LAMBDA
-%token CLOSE_PARENS_CAST
-%token CLOSE_PARENS_NO_CAST
-%token CLOSE_PARENS_OPEN_PARENS
-%token CLOSE_PARENS_MINUS
-%token DEFAULT_OPEN_PARENS
+%token OPEN_PARENS_CAST
%token GENERIC_DIMENSION
%token DEFAULT_COLON
%token EVAL_COMPILATION_UNIT_PARSER
%token EVAL_USING_DECLARATIONS_UNIT_PARSER
+//
+// This token is generated to trigger the completion engine at this point
+//
+%token GENERATE_COMPLETION
+
+//
+// This token is return repeatedly after the first GENERATE_COMPLETION
+// token is produced and before the final EOF
+//
+%token COMPLETE_COMPLETION
+
/* Add precedence rules to solve dangling else s/r conflict */
-%nonassoc LOWPREC
%nonassoc IF
%nonassoc ELSE
+
+/* Define the operator tokens and their precedences */
%right ASSIGN
+%right OP_COALESCING
+%right INTERR
%left OP_OR
%left OP_AND
%left BITWISE_OR
%left OPEN_PARENS
%left OPEN_BRACKET OPEN_BRACE
%left DOT
-%nonassoc HIGHPREC
%start compilation_unit
%%
| outer_declarations global_attributes opt_EOF
| global_attributes opt_EOF
| opt_EOF /* allow empty files */
- | interactive_parsing opt_EOF
+ | interactive_parsing { Lexer.CompleteOnEOF = false; } opt_EOF
;
opt_EOF
;
extern_alias_directive
- : EXTERN IDENTIFIER IDENTIFIER SEMICOLON
+ : EXTERN_ALIAS IDENTIFIER IDENTIFIER SEMICOLON
{
LocatedToken lt = (LocatedToken) $2;
string s = lt.Value;
if (s != "alias"){
- Report.Error (1003, lt.Location, "'alias' expected");
+ syntax_error (lt.Location, "`alias' expected");
} else if (RootContext.Version == LanguageVersion.ISO_1) {
Report.FeatureIsNotAvailable (lt.Location, "external alias");
} else {
current_namespace.AddUsingExternalAlias (lt.Value, lt.Location);
}
}
+ | EXTERN_ALIAS error
+ {
+ syntax_error (GetLocation ($1), "`alias' expected"); // TODO: better
+ }
;
using_directives
opt_namespace_member_declarations
EOF
{
- Report.Error (1513, lexer.Location, "} expected");
+ Report.Error (1513, lexer.Location, "Expected `}'");
}
;
type_declaration
: class_declaration
- | struct_declaration
- | interface_declaration
+ | struct_declaration
+ | interface_declaration
| enum_declaration
| delegate_declaration
//
if (global_attrs_enabled) {
if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
+ current_container.Module.AddAttributes (sect);
$$ = null;
} else if (current_attr_target != null && current_attr_target.Length > 0) {
CodeGen.Assembly.AddAttributes (sect);
if (global_attrs_enabled) {
if (current_attr_target == "module") {
- CodeGen.Module.AddAttributes (sect);
+ current_container.Module.AddAttributes (sect);
$$ = null;
} else if (current_attr_target == "assembly") {
CodeGen.Assembly.AddAttributes (sect);
{
$$ = $3;
}
- | OPEN_BRACKET attribute_list opt_comma CLOSE_BRACKET
+ | OPEN_BRACKET attribute_list opt_comma CLOSE_BRACKET
{
$$ = $2;
}
{
++lexer.parsing_block;
}
- opt_attribute_arguments
+ opt_attribute_arguments
{
--lexer.parsing_block;
MemberName mname = (MemberName) $1;
attribute_arguments
- : opt_positional_argument_list
+ : /* empty */ { $$ = null; }
+ | positional_or_named_argument
{
- if ($1 == null)
- $$ = null;
- else {
- $$ = new object [] { $1, null };
- }
+ ArrayList a = new ArrayList (4);
+ a.Add ($1);
+ $$ = new object [] { a, null };
}
- | positional_argument_list COMMA named_argument_list
+ | named_attribute_argument
{
- $$ = new object[] { $1, $3 };
+ ArrayList a = new ArrayList (4);
+ a.Add ($1);
+ $$ = new object [] { null, a };
}
- | named_argument_list
+ | attribute_arguments COMMA positional_or_named_argument
{
- $$ = new object [] { null, $1 };
+ object[] o = (object[]) $1;
+ if (o [1] != null) {
+ Report.Error (1016, ((Argument) $3).Expr.Location, "Named attribute arguments must appear after the positional arguments");
+ o [0] = new ArrayList (4);
+ }
+
+ ArrayList args = ((ArrayList) o [0]);
+ if (args.Count > 0 && !($3 is NamedArgument) && args [args.Count - 1] is NamedArgument)
+ Error_NamedArgumentExpected ((NamedArgument) args [args.Count - 1]);
+
+ args.Add ($3);
}
- ;
-
-
-opt_positional_argument_list
- : /* empty */ { $$ = null; }
- | positional_argument_list
- ;
-
-positional_argument_list
- : expression
+ | attribute_arguments COMMA named_attribute_argument
{
- ArrayList args = new ArrayList (4);
- args.Add (new Argument ((Expression) $1, Argument.AType.Expression));
+ object[] o = (object[]) $1;
+ if (o [1] == null) {
+ o [1] = new ArrayList (4);
+ }
- $$ = args;
+ ((ArrayList) o [1]).Add ($3);
}
- | positional_argument_list COMMA expression
- {
- ArrayList args = (ArrayList) $1;
- args.Add (new Argument ((Expression) $3, Argument.AType.Expression));
-
- $$ = args;
- }
- ;
+ ;
-named_argument_list
- : named_argument
+positional_or_named_argument
+ : expression
{
- ArrayList args = new ArrayList (4);
- args.Add ($1);
-
- $$ = args;
- }
- | named_argument_list COMMA named_argument
- {
- ArrayList args = (ArrayList) $1;
- args.Add ($3);
-
- $$ = args;
+ $$ = new Argument ((Expression) $1);
}
- | named_argument_list COMMA expression
- {
- Report.Error (1016, ((Expression) $3).Location, "Named attribute argument expected");
- $$ = null;
- }
- ;
+ | named_argument
+ ;
-named_argument
+named_attribute_argument
: IDENTIFIER ASSIGN expression
{
- // FIXME: keep location
- $$ = new DictionaryEntry (
- ((LocatedToken) $1).Value,
- new Argument ((Expression) $3, Argument.AType.Expression));
+ $$ = new NamedArgument ((LocatedToken) $1, (Expression) $3);
}
;
+
+named_argument
+ : IDENTIFIER COLON expression
+ {
+ if (RootContext.Version <= LanguageVersion.V_3)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "named argument");
+
+ $$ = new NamedArgument ((LocatedToken) $1, (Expression) $3);
+ }
+ ;
class_body
| constructor_declaration // done
| destructor_declaration // done
| type_declaration
+ | error
+ {
+ Report.Error (1519, lexer.Location, "Unexpected symbol `{0}' in class, struct, or interface member declaration",
+ GetSymbolName (yyToken));
+ $$ = null;
+ lexer.parsing_generic_declaration = false;
+ }
;
struct_declaration
}
struct_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
{
$$ = new VariableDeclaration ((LocatedToken) $1, null);
}
- | IDENTIFIER OPEN_BRACKET opt_expression CLOSE_BRACKET
+ | IDENTIFIER variable_bad_array
{
- Report.Error (650, ((LocatedToken) $1).Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
- "To declare a fixed size buffer field, use the fixed keyword before the field type");
$$ = null;
}
;
local_variable_initializer
: expression
| array_initializer
- | STACKALLOC type_expression OPEN_BRACKET expression CLOSE_BRACKET
+ | STACKALLOC simple_type OPEN_BRACKET expression CLOSE_BRACKET
{
$$ = new StackAlloc ((Expression) $2, (Expression) $4, (Location) $1);
}
{
$$ = new ArglistAccess ((Location) $1);
}
- | STACKALLOC type
+ | STACKALLOC simple_type
{
Report.Error (1575, (Location) $1, "A stackalloc expression requires [] after type");
- $$ = null;
+ $$ = new StackAlloc ((Expression) $2, null, (Location) $1);
}
;
-
variable_declarators
: variable_declarator
{
lexer.parsing_generic_declaration = false;
$$ = new VariableMemberDeclaration ((MemberName) $1, null);
}
- | member_declaration_name OPEN_BRACKET opt_expression CLOSE_BRACKET
+ | member_declaration_name variable_bad_array
{
lexer.parsing_generic_declaration = false;
- Report.Error (650, ((LocatedToken) $1).Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
- "To declare a fixed size buffer field, use the fixed keyword before the field type");
$$ = null;
}
;
+
+variable_bad_array
+ : OPEN_BRACKET 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
lexer.ConstraintsParsing = false;
arglist_allowed = false;
MemberName name = (MemberName) $4;
- current_local_parameters = (Parameters) $7;
+ current_local_parameters = (ParametersCompiled) $7;
if ($10 != null && name.TypeArguments == null)
Report.Error (80, lexer.Location,
opt_modifiers
PARTIAL
VOID method_declaration_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ OPEN_PARENS
+ {
+ arglist_allowed = true;
+ }
+ opt_formal_parameter_list CLOSE_PARENS
{
lexer.ConstraintsParsing = true;
}
opt_type_parameter_constraints_clauses
{
lexer.ConstraintsParsing = false;
+ arglist_allowed = false;
MemberName name = (MemberName) $5;
- current_local_parameters = (Parameters) $7;
+ current_local_parameters = (ParametersCompiled) $8;
- if ($9 != null && name.TypeArguments == null)
+ if ($10 != null && name.TypeArguments == null)
Report.Error (80, lexer.Location,
"Constraints are not allowed on non-generic declarations");
generic = new GenericMethod (current_namespace, current_class, name,
TypeManager.system_void_expr, current_local_parameters);
- generic.SetParameterInfo ((ArrayList) $10);
+ generic.SetParameterInfo ((ArrayList) $11);
}
int modifiers = (int) $2;
Report.Error (751, name.Location, "A partial method must be declared within a " +
"partial class or partial struct");
}
-
+
modifiers |= Modifiers.PARTIAL | Modifiers.PRIVATE;
method = new Method (current_class, generic, TypeManager.system_void_expr,
"Member modifier `{0}' must precede the member type and name", Modifiers.Name ((int) $4));
Method method = new Method (current_class, null, TypeManager.system_void_expr,
- 0, name, (Parameters) $7, (Attributes) $1);
+ 0, name, (ParametersCompiled) $7, (Attributes) $1);
- current_local_parameters = (Parameters) $7;
+ current_local_parameters = (ParametersCompiled) $7;
if (RootContext.Documentation != null)
method.DocComment = Lexer.consume_doc_comment ();
;
opt_formal_parameter_list
- : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ : /* empty */ { $$ = ParametersCompiled.EmptyReadOnlyParameters; }
| formal_parameter_list
;
opt_parameter_list_no_mod
- : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ : /* empty */ { $$ = ParametersCompiled.EmptyReadOnlyParameters; }
|
{
parameter_modifiers_not_allowed = true;
;
formal_parameter_list
- : fixed_parameters
+ : fixed_parameters
{
ArrayList pars_list = (ArrayList) $1;
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars);
+ $$ = new ParametersCompiled (pars);
}
| fixed_parameters COMMA parameter_array
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars);
+ $$ = new ParametersCompiled (pars);
}
| fixed_parameters COMMA arglist_modifier
{
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
- $$ = new Parameters (pars, true);
+ $$ = new ParametersCompiled (pars, true);
}
| parameter_array COMMA error
{
}
| parameter_array
{
- $$ = new Parameters (new Parameter[] { (Parameter) $1 } );
+ $$ = new ParametersCompiled (new Parameter[] { (Parameter) $1 } );
}
| arglist_modifier
{
- $$ = new Parameters (new Parameter [] { new ArglistParameter ((Location) $1) }, true);
+ $$ = new ParametersCompiled (new Parameter [] { new ArglistParameter ((Location) $1) }, true);
}
;
: fixed_parameter
{
ArrayList pars = new ArrayList (4);
-
- pars.Add ($1);
+ Parameter p = (Parameter) $1;
+ pars.Add (p);
+
+ default_parameter_used = p.HasDefaultValue;
$$ = pars;
}
| fixed_parameters COMMA fixed_parameter
{
ArrayList pars = (ArrayList) $1;
- Parameter p = (Parameter)$3;
+ Parameter p = (Parameter) $3;
if (p != null) {
if (p.HasExtensionMethodModifier)
Report.Error (1100, p.Location, "The parameter modifier `this' can only be used on the first parameter");
+ else if (!p.HasDefaultValue && default_parameter_used)
+ Report.Error (1737, p.Location, "Optional parameter cannot precede required parameters");
+
+ default_parameter_used |= p.HasDefaultValue;
pars.Add (p);
}
$$ = $1;
| opt_attributes
opt_parameter_modifier
type
+ error
{
- Report.Error (1001, GetLocation ($3), "Identifier expected");
- $$ = null;
- }
- | opt_attributes
- opt_parameter_modifier
- type
- error {
- CheckIdentifierToken (yyToken, GetLocation ($4));
- $$ = null;
+ Location l = GetLocation ($4);
+ CheckIdentifierToken (yyToken, l);
+ $$ = new Parameter ((FullNamedExpression) $3, "NeedSomeGeneratorHere", (Parameter.Modifier) $2, (Attributes) $1, l);
}
| opt_attributes
opt_parameter_modifier
IDENTIFIER
ASSIGN
constant_expression
- {
+ {
+ if (RootContext.Version <= LanguageVersion.V_3) {
+ Report.FeatureIsNotAvailable (GetLocation ($5), "optional parameter");
+ }
+
+ Parameter.Modifier mod = (Parameter.Modifier) $2;
+ if (mod != Parameter.Modifier.NONE) {
+ switch (mod) {
+ case Parameter.Modifier.REF:
+ case Parameter.Modifier.OUT:
+ Report.Error (1741, GetLocation ($2), "Cannot specify a default value for the `{0}' parameter",
+ Parameter.GetModifierSignature (mod));
+ break;
+
+ case Parameter.Modifier.This:
+ Report.Error (1743, GetLocation ($2), "Cannot specify a default value for the `{0}' parameter",
+ Parameter.GetModifierSignature (mod));
+ break;
+ default:
+ throw new NotImplementedException (mod.ToString ());
+ }
+
+ mod = Parameter.Modifier.NONE;
+ }
+
+ if (complex_parameters_modifiers_not_allowed)
+ Report.Error (1065, GetLocation ($6), "Optional parameter is not valid in this context");
+
LocatedToken lt = (LocatedToken) $4;
- Report.Error (241, lt.Location, "Default parameter specifiers are not permitted");
- $$ = null;
- }
+ $$ = new Parameter ((FullNamedExpression) $3, lt.Value, mod, (Attributes) $1, lt.Location);
+ if ($6 != null)
+ ((Parameter) $$).DefaultValue = (Expression) $6;
+ }
;
opt_parameter_modifier
parameter_array
: opt_attributes params_modifier type IDENTIFIER
- {
+ {
LocatedToken lt = (LocatedToken) $4;
$$ = new ParamsParameter ((FullNamedExpression) $3, lt.Value, (Attributes) $1, lt.Location);
}
+ | opt_attributes params_modifier type IDENTIFIER ASSIGN constant_expression
+ {
+ Report.Error (1751, GetLocation ($2), "Cannot specify a default value for a parameter array");
+
+ LocatedToken lt = (LocatedToken) $4;
+ $$ = new ParamsParameter ((FullNamedExpression) $3, lt.Value, (Attributes) $1, lt.Location);
+ }
| opt_attributes params_modifier type error {
CheckIdentifierToken (yyToken, GetLocation ($4));
$$ = null;
params_modifier
: PARAMS
{
- if (params_modifiers_not_allowed)
+ if (complex_parameters_modifiers_not_allowed)
Report.Error (1670, ((Location) $1), "The `params' modifier is not allowed in current context");
}
| PARAMS parameter_modifier
}
| error
{
- Report.Error (1014, GetLocation ($1), "A get or set accessor expected");
- $$ = null;
+ if (yyToken == Token.CLOSE_BRACE) {
+ $$ = null;
+ } else {
+ if (yyToken == Token.SEMICOLON)
+ Report.Error (1597, lexer.Location, "Semicolon after method or accessor block is not valid");
+ else
+ Report.Error (1014, GetLocation ($1), "A get or set accessor expected");
+
+ $$ = new Accessors (null, null);
+ }
}
;
// If this is not the case, then current_local_parameters has already
// been set in indexer_declaration
if (parsing_indexer == false)
- current_local_parameters = null;
+ current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
else
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
accessor_body
{
if (has_get) {
- Report.Error (1007, (Location) $3, "Property accessor already defined");
+ Report.Error (1007, GetLocation ($3), "Property accessor already defined");
break;
}
Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, current_local_parameters, (Location) $3);
Parameter.Modifier.NONE, null, (Location) $3);
if (!parsing_indexer) {
- current_local_parameters = new Parameters (new Parameter [] { implicit_value_parameter });
+ current_local_parameters = new ParametersCompiled (new Parameter [] { implicit_value_parameter });
} else {
- current_local_parameters = Parameters.MergeGenerated (
+ current_local_parameters = ParametersCompiled.MergeGenerated (
indexer_parameters, true, implicit_value_parameter, null);
}
accessor_body
{
if (has_set) {
- Report.Error (1007, ((LocatedToken) $3).Location, "Property accessor already defined");
+ Report.Error (1007, GetLocation ($3), "Property accessor already defined");
break;
}
Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, current_local_parameters, (Location) $3);
accessor_body
: block
- | SEMICOLON { $$ = null; }
+ | SEMICOLON
+ {
+ $$ = null;
+ }
+ | error
+ {
+ Error_SyntaxError (1043, yyToken);
+ $$ = null;
+ }
;
interface_declaration
}
interface_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
operator_declarator
: operator_type OPERATOR overloadable_operator OPEN_PARENS
{
- params_modifiers_not_allowed = true;
+ complex_parameters_modifiers_not_allowed = true;
}
opt_parameter_list_no_mod CLOSE_PARENS
{
- params_modifiers_not_allowed = false;
+ complex_parameters_modifiers_not_allowed = false;
Location loc = (Location) $2;
Operator.OpType op = (Operator.OpType) $3;
- current_local_parameters = (Parameters)$6;
+ current_local_parameters = (ParametersCompiled)$6;
int p_count = current_local_parameters.Count;
if (p_count == 1) {
conversion_operator_declarator
: IMPLICIT OPERATOR type OPEN_PARENS
{
- params_modifiers_not_allowed = true;
+ complex_parameters_modifiers_not_allowed = true;
}
opt_parameter_list_no_mod CLOSE_PARENS
{
- params_modifiers_not_allowed = false;
+ complex_parameters_modifiers_not_allowed = false;
Location loc = (Location) $2;
- current_local_parameters = (Parameters)$6;
+ current_local_parameters = (ParametersCompiled)$6;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
}
| EXPLICIT OPERATOR type OPEN_PARENS
{
- params_modifiers_not_allowed = true;
+ complex_parameters_modifiers_not_allowed = true;
}
opt_parameter_list_no_mod CLOSE_PARENS
{
- params_modifiers_not_allowed = false;
+ complex_parameters_modifiers_not_allowed = false;
Location loc = (Location) $2;
- current_local_parameters = (Parameters)$6;
+ current_local_parameters = (ParametersCompiled)$6;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
}
| IMPLICIT error
{
- syntax_error ((Location) $1, "'operator' expected");
+ Error_SyntaxError (yyToken);
+ $$ = new OperatorDeclaration (Operator.OpType.Implicit, null, GetLocation ($1));
}
| EXPLICIT error
{
- syntax_error ((Location) $1, "'operator' expected");
+ Error_SyntaxError (yyToken);
+ $$ = new OperatorDeclaration (Operator.OpType.Explicit, null, GetLocation ($1));
}
;
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.Allowed;
}
+ arglist_allowed = true;
}
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
- current_local_parameters = (Parameters) $6;
+ arglist_allowed = false;
+ current_local_parameters = (ParametersCompiled) $6;
//
// start block here, so possible anonymous methods inside
$$ = new ConstructorThisInitializer ((ArrayList) $5, (Location) $2);
}
| COLON error {
- Report.Error (1018, (Location) $1, "Keyword this or base expected");
+ Report.Error (1018, GetLocation ($1), "Keyword `this' or `base' expected");
$$ = null;
}
;
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
+
+ current_local_parameters = ParametersCompiled.EmptyReadOnlyParameters;
}
- IDENTIFIER OPEN_PARENS CLOSE_PARENS block
+ IDENTIFIER OPEN_PARENS CLOSE_PARENS method_body
{
LocatedToken lt = (LocatedToken) $5;
if (lt.Value != current_container.MemberName.Name){
} else if (current_container.Kind != Kind.Class){
Report.Error (575, lt.Location, "Only class types can contain destructor");
} else {
- Method d = new Destructor (
- current_class, TypeManager.system_void_expr, (int) $2, "Finalize",
- Parameters.EmptyReadOnlyParameters, (Attributes) $1, lt.Location);
+ Destructor d = new Destructor (current_class, (int) $2,
+ ParametersCompiled.EmptyReadOnlyParameters, (Attributes) $1, lt.Location);
if (RootContext.Documentation != null)
d.DocComment = ConsumeStoredComment ();
d.Block = (ToplevelBlock) $8;
current_container.AddMethod (d);
}
+
+ current_local_parameters = null;
}
;
OPEN_BRACE
{
implicit_value_parameter_type = (FullNamedExpression) $4;
- current_local_parameters = new Parameters (
+ current_local_parameters = new ParametersCompiled (
new Parameter (implicit_value_parameter_type, "value",
Parameter.Modifier.NONE, null, GetLocation ($3)));
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
- Report.Error (1002, GetLocation ($6), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
OPEN_BRACE
{
implicit_value_parameter_type = (FullNamedExpression) $3;
- indexer_parameters = (Parameters) $6;
+ indexer_parameters = (ParametersCompiled) $6;
- if (indexer_parameters.IsEmpty)
+ if (indexer_parameters.IsEmpty) {
Report.Error (1551, GetLocation ($5), "Indexers must have at least one parameter");
+ } else if (indexer_parameters.Count == 1) {
+ Parameter p = indexer_parameters [0];
+ if (p.HasDefaultValue)
+ p.Warning_UselessOptionalParameter ();
+ }
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
bool order = accessors != null ? accessors.declared_in_reverse : false;
Indexer indexer = new Indexer (current_class, (FullNamedExpression) $3,
- (MemberName)$4, (int) $2, (Parameters) $6, (Attributes) $1,
+ (MemberName)$4, (int) $2, (ParametersCompiled) $6, (Attributes) $1,
get_block, set_block, order);
if ($3 == TypeManager.system_void_expr)
}
| opt_attributes IDENTIFIER
{
+ ++lexer.parsing_block;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
ASSIGN constant_expression
{
+ --lexer.parsing_block;
VariableDeclaration vd = new VariableDeclaration (
(LocatedToken) $2, $5, (Attributes) $1);
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = MakeName ((MemberName) $5);
- Parameters p = (Parameters) $7;
+ ParametersCompiled p = (ParametersCompiled) $7;
Delegate del = new Delegate (current_namespace, current_class, (FullNamedExpression) $4,
(int) $2, name, p, (Attributes) $1);
}
| INTERR_NULLABLE
{
- if (RootContext.Version < LanguageVersion.ISO_2)
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "nullable types");
+ else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
$$ = this;
: /* empty */ { $$ = null; }
| OP_GENERICS_LT type_arguments OP_GENERICS_GT
{
- if (RootContext.Version < LanguageVersion.ISO_2)
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "generics");
+ else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
$$ = $2;
| OP_GENERICS_LT error
{
Error_TypeExpected (lexer.Location);
- $$ = new TypeParameterName ("", null, lexer.Location);
+ $$ = new TypeArguments ();
}
;
type_arguments
: type
{
- TypeArguments type_args = new TypeArguments (lexer.Location);
- type_args.Add ((Expression) $1);
+ TypeArguments type_args = new TypeArguments ();
+ type_args.Add ((FullNamedExpression) $1);
$$ = type_args;
}
| type_arguments COMMA type
{
TypeArguments type_args = (TypeArguments) $1;
- type_args.Add ((Expression) $3);
+ type_args.Add ((FullNamedExpression) $3);
$$ = type_args;
}
;
: /* empty */ { $$ = null; }
| OP_GENERICS_LT_DECL type_parameters OP_GENERICS_GT
{
- if (RootContext.Version < LanguageVersion.ISO_2)
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "generics");
+ else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
$$ = $2;
type_parameters
: type_parameter
{
- TypeArguments type_args = new TypeArguments (lexer.Location);
- type_args.Add ((Expression)$1);
+ TypeArguments type_args = new TypeArguments ();
+ type_args.Add ((FullNamedExpression)$1);
$$ = type_args;
}
| type_parameters COMMA type_parameter
{
TypeArguments type_args = (TypeArguments) $1;
- type_args.Add ((Expression)$3);
+ type_args.Add ((FullNamedExpression)$3);
$$ = type_args;
}
;
type_parameter
- : opt_attributes IDENTIFIER
+ : opt_attributes opt_type_parameter_variance IDENTIFIER
{
- LocatedToken lt = (LocatedToken)$2;
- $$ = new TypeParameterName (lt.Value, (Attributes)$1, lt.Location);
+ LocatedToken lt = (LocatedToken)$3;
+ $$ = new TypeParameterName (lt.Value, (Attributes)$1, (Variance) $2, lt.Location);
}
| error
{
- if (GetTokenName (yyToken) == "<type>")
+ if (GetTokenName (yyToken) == "type")
Report.Error (81, GetLocation ($1), "Type parameter declaration must be an identifier not a type");
else
- Report.Error (1002, GetLocation ($1), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
+ Error_SyntaxError (yyToken);
$$ = new TypeParameterName ("", null, lexer.Location);
}
$$ = TypeManager.system_void_expr;
}
;
+
+simple_type
+ : type_expression
+ | VOID
+ {
+ Expression.Error_VoidInvalidInTheContext (lexer.Location);
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
type_expression_or_array
: type_expression
- | array_type
+ | type_expression rank_specifiers
+ {
+ string rank_specifiers = (string) $2;
+ $$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, rank_specifiers);
+ }
;
type_expression
if ($2 != null) {
$$ = new ComposedCast (name.GetTypeExpression (), "?", lexer.Location);
} else {
- if (name.Left == null && name.Name == "var" &&
- (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
+ if (name.Left == null && name.Name == "var" && RootContext.Version > LanguageVersion.ISO_2)
$$ = current_array_type = new VarExpr (name.Location);
else
$$ = name.GetTypeExpression ();
}
;
-non_expression_type
- : builtin_types opt_nullable
- {
- if ($2 != null)
- $$ = new ComposedCast ((FullNamedExpression) $1, "?", lexer.Location);
- }
- | VOID
- {
- $$ = TypeManager.system_void_expr;
- }
- | non_expression_type rank_specifiers
- {
- Location loc = GetLocation ($1);
- if (loc.IsNull)
- loc = lexer.Location;
- $$ = new ComposedCast ((FullNamedExpression) $1, (string) $2, loc);
- }
- | non_expression_type STAR
- {
- Location loc = GetLocation ($1);
- if (loc.IsNull)
- loc = lexer.Location;
- $$ = new ComposedCast ((FullNamedExpression) $1, "*", loc);
- }
- //
- // We need this because the parser will happily go and reduce IDENTIFIER STAR
- // through this different path
- //
- | multiplicative_expression STAR
- {
- FullNamedExpression e = $1 as FullNamedExpression;
- if (e != null)
- $$ = new ComposedCast (e, "*");
- else
- Error_TypeExpected (GetLocation ($1));
- }
- ;
-
type_list
: base_type_name
{
/*
* replaces all the productions for isolating the various
- * simple types, but we need this to reuse it easily in local_variable_type
+ * simple types, but we need this to reuse it easily in variable_type
*/
builtin_types
: OBJECT { $$ = TypeManager.system_object_expr; }
| CHAR { $$ = TypeManager.system_char_expr; }
;
-array_type
- : type_expression rank_specifiers
- {
- string rank_specifiers = (string) $2;
- $$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, rank_specifiers);
- }
- ;
-
predefined_type
: builtin_types
| VOID
LocatedToken lt = (LocatedToken) $1;
$$ = new SimpleName (MemberName.MakeName (lt.Value, (TypeArguments)$2), (TypeArguments)$2, lt.Location);
}
+ | IDENTIFIER GENERATE_COMPLETION {
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new CompletionSimpleName (MemberName.MakeName (lt.Value, null), lt.Location);
+ }
| parenthesized_expression
| default_value_expression
| member_access
| FALSE { $$ = new BoolLiteral (false, lexer.Location); }
;
-parenthesized_expression_0
- : OPEN_PARENS expression CLOSE_PARENS
- {
- $$ = $2;
- lexer.Deambiguate_CloseParens ($$);
- // After this, the next token returned is one of
- // CLOSE_PARENS_CAST, CLOSE_PARENS_NO_CAST (CLOSE_PARENS), CLOSE_PARENS_OPEN_PARENS
- // or CLOSE_PARENS_MINUS.
- }
- | OPEN_PARENS expression error { CheckToken (1026, yyToken, "Expecting ')'", lexer.Location); }
+
+//
+// Here is the trick, tokenizer may think that parens is a special but
+// parser is interested in open parens only, so we merge them.
+// Consider: if (a)foo ();
+//
+open_parens_any
+ : OPEN_PARENS
+ | OPEN_PARENS_CAST
+ | OPEN_PARENS_LAMBDA
;
parenthesized_expression
- : parenthesized_expression_0 CLOSE_PARENS_NO_CAST
- {
- $$ = $1;
- }
- | parenthesized_expression_0 CLOSE_PARENS
+ : OPEN_PARENS expression CLOSE_PARENS
{
- $$ = $1;
+ $$ = new ParenthesizedExpression ((Expression) $2);
}
- | parenthesized_expression_0 CLOSE_PARENS_MINUS
+ | OPEN_PARENS expression COMPLETE_COMPLETION
{
- // If a parenthesized expression is followed by a minus, we need to wrap
- // the expression inside a ParenthesizedExpression for the CS0075 check
- // in Binary.DoResolve().
- $$ = new ParenthesizedExpression ((Expression) $1);
+ $$ = new ParenthesizedExpression ((Expression) $2);
}
;
-
+
member_access
: primary_expression DOT IDENTIFIER opt_type_argument_list
{
$$ = new QualifiedAliasMember (lt1.Value, lt2.Value, (TypeArguments) $3, lt1.Location);
}
- ;
-
-invocation_expression
- : primary_expression OPEN_PARENS opt_argument_list CLOSE_PARENS
- {
- if ($1 == null)
- Report.Error (1, (Location) $2, "Parse error");
- else
- $$ = new Invocation ((Expression) $1, (ArrayList) $3);
- }
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS CLOSE_PARENS
- {
- $$ = new Invocation ((Expression) $1, new ArrayList ());
+ | primary_expression DOT GENERATE_COMPLETION {
+ $$ = new CompletionMemberAccess ((Expression) $1, null,GetLocation ($3));
}
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS primary_expression
- {
- $$ = new InvocationOrCast ((Expression) $1, (Expression) $3);
+ | primary_expression DOT IDENTIFIER GENERATE_COMPLETION {
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new CompletionMemberAccess ((Expression) $1, lt.Value, lt.Location);
}
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS non_simple_argument CLOSE_PARENS
+ | predefined_type DOT GENERATE_COMPLETION
{
- ArrayList args = new ArrayList (1);
- args.Add ($4);
- $$ = new Invocation ((Expression) $1, args);
+ // TODO: Location is wrong as some predefined types doesn't hold a location
+ $$ = new CompletionMemberAccess ((Expression) $1, null, lexer.Location);
}
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS argument_list COMMA argument CLOSE_PARENS
+ | predefined_type DOT IDENTIFIER GENERATE_COMPLETION {
+ LocatedToken lt = (LocatedToken) $3;
+ $$ = new CompletionMemberAccess ((Expression) $1, lt.Value, lt.Location);
+ }
+ ;
+
+invocation_expression
+ : primary_expression open_parens_any opt_argument_list CLOSE_PARENS
{
- ArrayList args = ((ArrayList) $4);
- args.Add ($6);
- $$ = new Invocation ((Expression) $1, args);
+ $$ = new Invocation ((Expression) $1, (ArrayList) $3);
}
;
;
object_or_collection_initializer
- : OPEN_BRACE opt_member_initializer_list CLOSE_BRACE
+ : OPEN_BRACE opt_member_initializer_list close_brace_or_complete_completion
{
if ($2 == null)
- $$ = CollectionOrObjectInitializers.Empty;
+ $$ = CollectionOrObjectInitializers.Empty;
else
- $$ = new CollectionOrObjectInitializers ((ArrayList) $2, GetLocation ($1));
+ $$ = new CollectionOrObjectInitializers ((ArrayList) $2, GetLocation ($1));
}
| OPEN_BRACE member_initializer_list COMMA CLOSE_BRACE
{
;
member_initializer_list
- : member_initializer
+ : member_initializer
{
ArrayList a = new ArrayList ();
a.Add ($1);
LocatedToken lt = $1 as LocatedToken;
$$ = new ElementInitializer (lt.Value, (Expression)$3, lt.Location);
}
- | non_assignment_expression
+ | GENERATE_COMPLETION
{
- $$ = new CollectionElementInitializer ((Expression)$1);
+ $$ = new CompletionElementInitializer (null, GetLocation ($1));
+ }
+ | non_assignment_expression opt_COMPLETE_COMPLETION {
+ CompletionSimpleName csn = $1 as CompletionSimpleName;
+ if (csn == null)
+ $$ = new CollectionElementInitializer ((Expression)$1);
+ else
+ $$ = new CompletionElementInitializer (csn.Prefix, csn.Location);
}
| OPEN_BRACE expression_list CLOSE_BRACE
{
| argument_list COMMA argument
{
ArrayList list = (ArrayList) $1;
+ if (!($3 is NamedArgument) && list [list.Count - 1] is NamedArgument)
+ Error_NamedArgumentExpected ((NamedArgument) list [list.Count - 1]);
+
list.Add ($3);
$$ = list;
}
argument
: expression
{
- $$ = new Argument ((Expression) $1, Argument.AType.Expression);
+ $$ = new Argument ((Expression) $1);
}
| non_simple_argument
- {
- $$ = $1;
- }
+ | named_argument
;
non_simple_argument
{
$$ = new Argument ((Expression) $2, Argument.AType.Out);
}
- | ARGLIST OPEN_PARENS argument_list CLOSE_PARENS
+ | ARGLIST open_parens_any argument_list CLOSE_PARENS
{
ArrayList list = (ArrayList) $3;
Argument[] args = new Argument [list.Count];
list.CopyTo (args, 0);
- Expression expr = new Arglist (args, (Location) $1);
- $$ = new Argument (expr, Argument.AType.Expression);
+ $$ = new Argument (new Arglist (args, (Location) $1));
}
- | ARGLIST OPEN_PARENS CLOSE_PARENS
+ | ARGLIST open_parens_any CLOSE_PARENS
{
- $$ = new Argument (new Arglist ((Location) $1), Argument.AType.Expression);
+ $$ = new Argument (new Arglist ((Location) $1));
}
| ARGLIST
{
- $$ = new Argument (new ArglistAccess ((Location) $1), Argument.AType.ArgList);
+ $$ = new Argument (new ArglistAccess ((Location) $1));
}
;
variable_reference
- : expression { note ("section 5.4"); $$ = $1; }
+ : expression
;
element_access
post_increment_expression
: primary_expression OP_INC
{
- $$ = new UnaryMutator (UnaryMutator.Mode.PostIncrement,
- (Expression) $1, (Location) $2);
+ $$ = new UnaryMutator (UnaryMutator.Mode.PostIncrement, (Expression) $1);
}
;
post_decrement_expression
: primary_expression OP_DEC
{
- $$ = new UnaryMutator (UnaryMutator.Mode.PostDecrement,
- (Expression) $1, (Location) $2);
+ $$ = new UnaryMutator (UnaryMutator.Mode.PostDecrement, (Expression) $1);
}
;
object_or_delegate_creation_expression
- : NEW type OPEN_PARENS opt_argument_list CLOSE_PARENS opt_object_or_collection_initializer
+ : new_expr_start open_parens_any opt_argument_list CLOSE_PARENS opt_object_or_collection_initializer
{
- if ($6 != null) {
+ if ($5 != null) {
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "object initializers");
- $$ = new NewInitialize ((Expression) $2, (ArrayList) $4, (CollectionOrObjectInitializers) $6, (Location) $1);
+ $$ = new NewInitialize ((Expression) $1, (ArrayList) $3, (CollectionOrObjectInitializers) $5, GetLocation ($1));
}
else
- $$ = new New ((Expression) $2, (ArrayList) $4, (Location) $1);
+ $$ = new New ((Expression) $1, (ArrayList) $3, GetLocation ($1));
}
- | NEW type object_or_collection_initializer
+ | new_expr_start object_or_collection_initializer
{
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "collection initializers");
- $$ = new NewInitialize ((Expression) $2, null, (CollectionOrObjectInitializers) $3, (Location) $1);
+ $$ = new NewInitialize ((Expression) $1, null, (CollectionOrObjectInitializers) $2, GetLocation ($1));
}
;
array_creation_expression
- : NEW type_expression OPEN_BRACKET expression_list CLOSE_BRACKET
- opt_rank_specifier
+ : new_expr_start OPEN_BRACKET expression_list CLOSE_BRACKET
+ opt_rank_specifier // shift/reduce on OPEN_BRACE
opt_array_initializer
{
- $$ = new ArrayCreation ((FullNamedExpression) $2, (ArrayList) $4, (string) $6, (ArrayList) $7, (Location) $1);
+ $$ = new ArrayCreation ((FullNamedExpression) $1, (ArrayList) $3, (string) $5, (ArrayList) $6, GetLocation ($1));
}
- | NEW type_expression rank_specifiers array_initializer
+ | new_expr_start rank_specifiers opt_array_initializer
{
- $$ = new ArrayCreation ((FullNamedExpression) $2, (string) $3, (ArrayList) $4, (Location) $1);
+ if ($3 == null)
+ Report.Error (1586, GetLocation ($1), "Array creation must have array size or array initializer");
+
+ $$ = new ArrayCreation ((FullNamedExpression) $1, (string) $2, (ArrayList) $3, GetLocation ($1));
}
| NEW rank_specifiers array_initializer
{
- $$ = new ImplicitlyTypedArrayCreation ((string) $2, (ArrayList) $3, (Location) $1);
+ $$ = new ImplicitlyTypedArrayCreation ((string) $2, (ArrayList) $3, GetLocation ($1));
}
- | NEW error
+ | new_expr_start error
{
- Report.Error (1031, (Location) $1, "Type expected");
+ Report.Error (1526, GetLocation ($1), "A new expression requires () or [] after type");
$$ = null;
- }
- | NEW type_expression error
+ }
+ ;
+
+new_expr_start
+ : NEW
{
- Report.Error (1526, (Location) $1, "A new expression requires () or [] after type");
- $$ = null;
+ ++lexer.parsing_type;
+ }
+ simple_type
+ {
+ --lexer.parsing_type;
+ $$ = $3;
}
;
anonymous_type_expression
: NEW OPEN_BRACE anonymous_type_parameters_opt_comma CLOSE_BRACE
{
- if (RootContext.Version <= LanguageVersion.ISO_2)
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "anonymous types");
+ else if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "anonymous types");
$$ = new AnonymousTypeDeclaration ((ArrayList) $3, current_container, GetLocation ($1));
opt_rank_specifier
: /* empty */
{
- $$ = "";
+ $$ = "";
}
| rank_specifiers
{
- $$ = $1;
+ $$ = $1;
}
;
;
rank_specifiers
- : rank_specifier opt_rank_specifier
+ : rank_specifier
+ | rank_specifier rank_specifiers
{
$$ = (string) $2 + (string) $1;
}
;
rank_specifier
- : OPEN_BRACKET opt_dim_separators CLOSE_BRACKET
+ : OPEN_BRACKET CLOSE_BRACKET
{
- $$ = "[" + (string) $2 + "]";
+ $$ = "[]";
}
- ;
-
-opt_dim_separators
- : /* empty */
+ | OPEN_BRACKET dim_separators CLOSE_BRACKET
{
- $$ = "";
+ $$ = "[" + (string) $2 + "]";
}
- | dim_separators
+ | OPEN_BRACKET error CLOSE_BRACKET
{
- $$ = $1;
- }
+ ArrayCreation.Error_IncorrectArrayInitializer (GetLocation ($1));
+ $$ = "[]";
+ }
;
dim_separators
list.Add ($3);
$$ = list;
}
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = new ArrayList ();
+ }
;
typeof_expression
pushed_current_array_type = current_array_type;
lexer.TypeOfParsing = true;
}
- OPEN_PARENS typeof_type_expression CLOSE_PARENS
+ open_parens_any typeof_type_expression CLOSE_PARENS
{
lexer.TypeOfParsing = false;
Expression type = (Expression)$4;
typeof_type_expression
: type_and_void
- {
- $$ = $1;
- }
| unbound_type_name
- {
- $$ = new UnboundTypeExpression ((MemberName)$1, lexer.Location);
- }
| error
{
Error_TypeExpected (lexer.Location);
: IDENTIFIER generic_dimension
{
LocatedToken lt = (LocatedToken) $1;
- TypeArguments ta = (TypeArguments)$2;
- $$ = new MemberName (lt.Value, ta, lt.Location);
+ $$ = new SimpleName (MemberName.MakeName (lt.Value, (int)$2), lt.Location);
}
| qualified_alias_member IDENTIFIER generic_dimension
{
LocatedToken lt1 = (LocatedToken) $1;
LocatedToken lt2 = (LocatedToken) $2;
- TypeArguments ta = (TypeArguments)$3;
- $$ = new MemberName (new MemberName (lt1.Value, lt1.Location), lt2.Value, ta, lt2.Location);
+ $$ = new QualifiedAliasMember (lt1.Value, MemberName.MakeName (lt2.Value, (int) $3), lt1.Location);
+ }
+ | unbound_type_name DOT IDENTIFIER
+ {
+ LocatedToken lt = (LocatedToken) $3;
+
+ $$ = new MemberAccess ((Expression) $1, lt.Value, lt.Location);
}
| unbound_type_name DOT IDENTIFIER generic_dimension
{
LocatedToken lt = (LocatedToken) $3;
- TypeArguments ta = (TypeArguments)$4;
- $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
+ $$ = new MemberAccess ((Expression) $1, MemberName.MakeName (lt.Value, (int) $4), lt.Location);
}
| namespace_or_type_name DOT IDENTIFIER generic_dimension
{
LocatedToken lt = (LocatedToken) $3;
- TypeArguments ta = (TypeArguments)$4;
-
- $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
+ MemberName name = (MemberName) $1;
+
+ $$ = new MemberAccess (name.GetTypeExpression (), MemberName.MakeName (lt.Value, (int) $4), lt.Location);
}
;
-
+
generic_dimension
: GENERIC_DIMENSION
{
- if (RootContext.Version < LanguageVersion.ISO_2)
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "generics");
+ else if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (lexer.Location, "generics");
- $$ = new TypeArguments ((int)$1, lexer.Location);
+ $$ = $1;
}
;
;
sizeof_expression
- : SIZEOF OPEN_PARENS type CLOSE_PARENS {
+ : SIZEOF open_parens_any type CLOSE_PARENS {
$$ = new SizeOf ((Expression) $3, (Location) $1);
}
;
checked_expression
- : CHECKED OPEN_PARENS expression CLOSE_PARENS
+ : CHECKED open_parens_any expression CLOSE_PARENS
{
$$ = new CheckedExpr ((Expression) $3, (Location) $1);
}
;
unchecked_expression
- : UNCHECKED OPEN_PARENS expression CLOSE_PARENS
+ : UNCHECKED open_parens_any expression CLOSE_PARENS
{
$$ = new UnCheckedExpr ((Expression) $3, (Location) $1);
}
anonymous_method_expression
: DELEGATE opt_anonymous_method_signature
{
- start_anonymous (false, (Parameters) $2, (Location) $1);
+ start_anonymous (false, (ParametersCompiled) $2, (Location) $1);
}
block
{
- $$ = end_anonymous ((ToplevelBlock) $4, (Location) $1);
+ $$ = end_anonymous ((ToplevelBlock) $4);
}
;
opt_anonymous_method_signature
- : /* empty */ { $$ = null; }
+ :
+ {
+ $$ = ParametersCompiled.Undefined;
+ }
| anonymous_method_signature
;
anonymous_method_signature
: OPEN_PARENS
{
- params_modifiers_not_allowed = true;
+ complex_parameters_modifiers_not_allowed = true;
}
opt_formal_parameter_list CLOSE_PARENS
{
- params_modifiers_not_allowed = false;
+ complex_parameters_modifiers_not_allowed = false;
$$ = $3;
}
;
default_value_expression
- : DEFAULT_OPEN_PARENS type CLOSE_PARENS
+ : DEFAULT open_parens_any type CLOSE_PARENS
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (lexer.Location, "default value expression");
- $$ = new DefaultValueExpression ((Expression) $2, lexer.Location);
+ $$ = new DefaultValueExpression ((Expression) $3, GetLocation ($1));
}
;
: primary_expression
| BANG prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.LogicalNot, (Expression) $2, (Location) $1);
+ $$ = new Unary (Unary.Operator.LogicalNot, (Expression) $2);
}
| TILDE prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.OnesComplement, (Expression) $2, (Location) $1);
+ $$ = new Unary (Unary.Operator.OnesComplement, (Expression) $2);
}
| cast_expression
;
-cast_list
- : parenthesized_expression_0 CLOSE_PARENS_CAST unary_expression
+cast_expression
+ : OPEN_PARENS_CAST type CLOSE_PARENS prefixed_unary_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3);
+ $$ = new Cast ((FullNamedExpression) $2, (Expression) $4, GetLocation ($1));
}
- | parenthesized_expression_0 CLOSE_PARENS_NO_CAST default_value_expression
+ | OPEN_PARENS predefined_type CLOSE_PARENS prefixed_unary_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3);
- }
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS cast_expression
- {
- $$ = new Cast ((Expression) $1, (Expression) $3);
- }
- ;
-
-cast_expression
- : cast_list
- | OPEN_PARENS non_expression_type CLOSE_PARENS prefixed_unary_expression
- {
- if ($2 == TypeManager.system_void_expr)
- Expression.Error_VoidInvalidInTheContext (GetLocation ($2));
-
- // TODO: wrong location
- $$ = new Cast ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new Cast ((FullNamedExpression) $2, (Expression) $4, GetLocation ($1));
}
;
: unary_expression
| PLUS prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.UnaryPlus, (Expression) $2, (Location) $1);
+ $$ = new Unary (Unary.Operator.UnaryPlus, (Expression) $2);
}
| MINUS prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.UnaryNegation, (Expression) $2, (Location) $1);
+ $$ = new Unary (Unary.Operator.UnaryNegation, (Expression) $2);
}
| OP_INC prefixed_unary_expression
{
- $$ = new UnaryMutator (UnaryMutator.Mode.PreIncrement,
- (Expression) $2, (Location) $1);
+ $$ = new UnaryMutator (UnaryMutator.Mode.PreIncrement, (Expression) $2);
}
| OP_DEC prefixed_unary_expression
{
- $$ = new UnaryMutator (UnaryMutator.Mode.PreDecrement,
- (Expression) $2, (Location) $1);
+ $$ = new UnaryMutator (UnaryMutator.Mode.PreDecrement, (Expression) $2);
}
| STAR prefixed_unary_expression
{
- $$ = new Indirection ((Expression) $2, (Location) $1);
+ $$ = new Indirection ((Expression) $2, GetLocation ($1));
}
| BITWISE_AND prefixed_unary_expression
{
- $$ = new Unary (Unary.Operator.AddressOf, (Expression) $2, (Location) $1);
+ $$ = new Unary (Unary.Operator.AddressOf, (Expression) $2);
}
;
}
| additive_expression MINUS multiplicative_expression
{
- $$ = new Binary (Binary.Operator.Subtraction,
- (Expression) $1, (Expression) $3);
+ $$ = new Binary (Binary.Operator.Subtraction, (Expression) $1, (Expression) $3);
}
+ | parenthesized_expression MINUS multiplicative_expression
+ {
+ // Shift/Reduce conflict
+ $$ = new Binary (Binary.Operator.Subtraction, (Expression) $1, (Expression) $3);
+ }
| additive_expression AS type
{
$$ = new As ((Expression) $1, (Expression) $3, (Location) $2);
(Expression) $1, (Expression) $3);
}
;
-
-conditional_expression
+
+null_coalescing_expression
: conditional_or_expression
- | conditional_or_expression INTERR expression COLON expression
- {
- $$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5);
- }
- | conditional_or_expression OP_COALESCING expression
+ | conditional_or_expression OP_COALESCING null_coalescing_expression
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($2), "null coalescing operator");
$$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $3, lexer.Location);
}
- | primary_expression INTERR_NULLABLE opt_rank_specifier
+ ;
+
+conditional_expression
+ : null_coalescing_expression
+ | null_coalescing_expression INTERR expression COLON expression
{
- //
- // TODO: Is this the best place to handle `= (foo?)a;' ?
- //
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (GetLocation ($1), "nullable types");
-
- $$ = new ComposedCast ((FullNamedExpression) $1, "?" + (string)$3, lexer.Location);
+ $$ = new Conditional ((Expression) $1, (Expression) $3, (Expression) $5);
}
;
;
opt_lambda_parameter_list
- : /* empty */ { $$ = Parameters.EmptyReadOnlyParameters; }
+ : /* empty */ { $$ = ParametersCompiled.EmptyReadOnlyParameters; }
| lambda_parameter_list {
ArrayList pars_list = (ArrayList) $1;
- $$ = new Parameters ((Parameter[])pars_list.ToArray (typeof (Parameter)));
+ $$ = new ParametersCompiled ((Parameter[])pars_list.ToArray (typeof (Parameter)));
}
;
{
LocatedToken lt = (LocatedToken) $1;
Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
- start_anonymous (true, new Parameters (p), (Location) $2);
+ start_anonymous (true, new ParametersCompiled (p), GetLocation ($1));
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $4, (Location) $2);
+ $$ = end_anonymous ((ToplevelBlock) $4);
}
| OPEN_PARENS_LAMBDA opt_lambda_parameter_list CLOSE_PARENS ARROW
{
- start_anonymous (true, (Parameters) $2, (Location) $4);
+ start_anonymous (true, (ParametersCompiled) $2, GetLocation ($1));
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $6, (Location) $4);
+ $$ = end_anonymous ((ToplevelBlock) $6);
}
;
expression
- : assignment_expression
- | non_assignment_expression
+ : assignment_expression
+ | non_assignment_expression
;
non_assignment_expression
}
class_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
}
;
+opt_type_parameter_variance
+ : /* empty */
+ {
+ $$ = Variance.None;
+ }
+ | type_parameter_variance
+ {
+ if (RootContext.MetadataCompatibilityVersion < MetadataVersion.v2)
+ Report.FeatureIsNotSupported (lexer.Location, "generic type variance");
+ else if (RootContext.Version <= LanguageVersion.V_3)
+ Report.FeatureIsNotAvailable (lexer.Location, "generic type variance");
+
+ $$ = $1;
+ }
+ ;
+
+type_parameter_variance
+ : OUT
+ {
+ $$ = Variance.Covariant;
+ }
+ | IN
+ {
+ $$ = Variance.Contravariant;
+ }
+ ;
+
//
// Statements (8.2)
//
++lexer.parsing_block;
start_block ((Location) $1);
}
- opt_statement_list CLOSE_BRACE
+ opt_statement_list block_end
+ {
+ $$ = $4;
+ }
+ ;
+
+block_end
+ : CLOSE_BRACE
{
--lexer.parsing_block;
- $$ = end_block ((Location) $4);
+ $$ = end_block ((Location) $1);
+ }
+ | COMPLETE_COMPLETION
+ {
+ --lexer.parsing_block;
+ $$ = end_block (lexer.Location);
}
;
+
block_prepared
: OPEN_BRACE
{
* > expressions to prevent reduce/reduce errors in the grammar.
* > The expressions are converted into types during semantic analysis.
*/
-local_variable_type
+variable_type
: primary_expression_no_array_creation opt_rank_specifier_or_nullable
{
// FIXME: Do something smart here regarding the composition of the type.
//
if (rank_or_nullable.Length == 0) {
SimpleName sn = expr as SimpleName;
- if (sn != null && sn.Name == "var" &&
- (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
+ if (sn != null && sn.Name == "var" && RootContext.Version > LanguageVersion.ISO_2)
$$ = current_array_type = new VarExpr (sn.Location);
else
$$ = $1;
}
| builtin_types STAR
{
- $$ = new ComposedCast ((FullNamedExpression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((FullNamedExpression) $1, "*", GetLocation ($1));
}
| VOID STAR
{
}
;
+local_variable_type
+ : variable_type
+ | local_variable_pointer_type opt_rank_specifier
+ {
+ if ($1 != null){
+ string rank = (string)$2;
+
+ if (rank == "")
+ $$ = $1;
+ else
+ $$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, rank);
+ } else {
+ $$ = null;
+ }
+ }
+ ;
+
local_variable_declaration
: local_variable_type local_variable_declarators
{
} else
$$ = null;
}
- | local_variable_pointer_type opt_rank_specifier local_variable_declarators
- {
- if ($1 != null){
- Expression t;
-
- if ((string) $2 == "")
- t = (Expression) $1;
- else
- t = new ComposedCast ((FullNamedExpression) $1, (string) $2);
- $$ = new DictionaryEntry (t, $3);
- } else
- $$ = null;
- }
;
local_constant_declaration
- : CONST local_variable_type constant_declarators
+ : CONST variable_type constant_declarators
{
if ($2 != null)
$$ = new DictionaryEntry ($2, $3);
expression_statement
: statement_expression SEMICOLON { $$ = $1; }
+ | statement_expression COMPLETE_COMPLETION { $$ = $1; }
;
interactive_expression_statement
: interactive_statement_expression SEMICOLON { $$ = $1; }
+ | interactive_statement_expression COMPLETE_COMPLETION { $$ = $1; }
;
//
statement_expression
: expression
{
- Expression expr = (Expression) $1;
- ExpressionStatement s;
-
- s = expr as ExpressionStatement;
-
+ ExpressionStatement s = $1 as ExpressionStatement;
if (s == null) {
- expr.Error_InvalidExpressionStatement ();
- $$ = null;
- } else {
- $$ = new StatementExpression (s);
+ ((Expression) $1).Error_InvalidExpressionStatement ();
+ s = EmptyExpressionStatement.Instance;
}
+
+ $$ = new StatementExpression (s);
}
| error
{
- Report.Error (1002, GetLocation ($1), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
}
| error
{
- Report.Error (1002, GetLocation ($1), "Expecting {0}, got {1}", GetExpecting (), GetTokenName (yyToken));
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
;
if_statement
- : IF OPEN_PARENS boolean_expression CLOSE_PARENS
+ : IF open_parens_any boolean_expression CLOSE_PARENS
embedded_statement
{
Location l = (Location) $1;
Report.Warning (642, 3, l, "Possible mistaken empty statement");
}
- | IF OPEN_PARENS boolean_expression CLOSE_PARENS
+ | IF open_parens_any boolean_expression CLOSE_PARENS
embedded_statement ELSE embedded_statement
{
Location l = (Location) $1;
;
switch_statement
- : SWITCH OPEN_PARENS
+ : SWITCH open_parens_any
{
if (switch_stack == null)
switch_stack = new Stack (2);
;
while_statement
- : WHILE OPEN_PARENS boolean_expression CLOSE_PARENS embedded_statement
+ : WHILE open_parens_any boolean_expression CLOSE_PARENS embedded_statement
{
Location l = (Location) $1;
$$ = new While ((Expression) $3, (Statement) $5, l);
do_statement
: DO embedded_statement
- WHILE OPEN_PARENS boolean_expression CLOSE_PARENS SEMICOLON
+ WHILE open_parens_any boolean_expression CLOSE_PARENS SEMICOLON
{
Location l = (Location) $1;
;
for_statement
- : FOR OPEN_PARENS
- opt_for_initializer SEMICOLON
+ : FOR open_parens_any opt_for_initializer SEMICOLON
{
Location l = lexer.Location;
start_block (l);
;
foreach_statement
- : FOREACH OPEN_PARENS type IN expression CLOSE_PARENS
+ : FOREACH open_parens_any type IN expression CLOSE_PARENS
{
Report.Error (230, (Location) $1, "Type and identifier are both required in a foreach statement");
$$ = null;
}
- | FOREACH OPEN_PARENS type IDENTIFIER IN
+ | FOREACH open_parens_any type IDENTIFIER IN
expression CLOSE_PARENS
{
start_block (lexer.Location);
;
catch_args
- : OPEN_PARENS type opt_identifier CLOSE_PARENS
+ : open_parens_any type opt_identifier CLOSE_PARENS
{
$$ = new DictionaryEntry ($2, $3);
}
- | OPEN_PARENS CLOSE_PARENS
+ | open_parens_any CLOSE_PARENS
{
Report.Error (1015, GetLocation ($1), "A type that derives from `System.Exception', `object', or `string' expected");
}
;
fixed_statement
- : FIXED OPEN_PARENS
+ : FIXED open_parens_any
type_and_void fixed_pointer_declarators
CLOSE_PARENS
{
;
lock_statement
- : LOCK OPEN_PARENS expression CLOSE_PARENS
+ : LOCK open_parens_any expression CLOSE_PARENS
{
//
}
;
using_statement
- : USING OPEN_PARENS local_variable_declaration CLOSE_PARENS
+ : USING open_parens_any local_variable_declaration CLOSE_PARENS
{
start_block (lexer.Location);
Block assign_block = current_block;
current_block.AddStatement (stmt);
$$ = end_block (lexer.Location);
}
- | USING OPEN_PARENS expression CLOSE_PARENS
+ | USING open_parens_any expression CLOSE_PARENS
{
start_block (lexer.Location);
}
// LINQ
query_expression
- : first_from_clause
+ : first_from_clause query_body
{
- ++lexer.query_parsing;
+ lexer.query_parsing = false;
+
+ Linq.AQueryClause from = $1 as Linq.AQueryClause;
+
+ from.Tail.Next = (Linq.AQueryClause)$2;
+ $$ = from;
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
}
- query_body
+ | nested_from_clause query_body
{
- if (--lexer.query_parsing == 1)
- lexer.query_parsing = 0;
-
Linq.AQueryClause from = $1 as Linq.AQueryClause;
- from.Tail.Next = (Linq.AQueryClause)$3;
+ from.Tail.Next = (Linq.AQueryClause)$2;
$$ = from;
current_block.SetEndLocation (lexer.Location);
;
first_from_clause
+ : FROM_FIRST IDENTIFIER IN expression
+ {
+ $$ = new Linq.QueryExpression (current_block, new Linq.QueryStartClause ((Expression)$4));
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $2, GetLocation ($1));
+ }
+ | FROM_FIRST type IDENTIFIER IN expression
+ {
+ $$ = new Linq.QueryExpression (current_block, new Linq.Cast ((FullNamedExpression)$2, (Expression)$5));
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $3, GetLocation ($1));
+ }
+ ;
+
+nested_from_clause
: FROM IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
- LocatedToken lt = (LocatedToken) $2;
-
- current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance, lt.Value, lt.Location);
- $$ = new Linq.QueryExpression (lt, new Linq.QueryStartClause ((Expression)$4));
+ $$ = new Linq.QueryExpression (current_block, new Linq.QueryStartClause ((Expression)$4));
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $2, GetLocation ($1));
}
| FROM type IDENTIFIER IN expression
{
- current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
- LocatedToken lt = (LocatedToken) $3;
-
- Expression type = (Expression)$2;
- current_block.AddVariable (type, lt.Value, lt.Location);
- $$ = new Linq.QueryExpression (lt, new Linq.Cast (type, (Expression)$5));
+ $$ = new Linq.QueryExpression (current_block, new Linq.Cast ((FullNamedExpression)$2, (Expression)$5));
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $3, GetLocation ($1));
}
;
from_clause
- : FROM IDENTIFIER IN expression
+ : FROM IDENTIFIER IN
+ {
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
+ }
+ expression
{
LocatedToken lt = (LocatedToken) $2;
+ $$ = new Linq.SelectMany (current_block.Toplevel, lt, (Expression)$5);
- current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
- lt.Value, lt.Location);
-
- $$ = new Linq.SelectMany (lt, (Expression)$4);
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ ((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
+ }
+ | FROM type IDENTIFIER IN
+ {
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
}
- | FROM type IDENTIFIER IN expression
+ expression
{
LocatedToken lt = (LocatedToken) $3;
-
- Expression type = (Expression)$2;
- current_block.AddVariable (type, lt.Value, lt.Location);
- $$ = new Linq.SelectMany (lt, new Linq.Cast (type, (Expression)$5));
+ FullNamedExpression type = (FullNamedExpression)$2;
+
+ $$ = new Linq.SelectMany (current_block.Toplevel, lt, new Linq.Cast (type, (FullNamedExpression)$6));
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ ((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
}
;
;
select_or_group_clause
- : SELECT expression
+ : SELECT
+ {
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ }
+ expression
{
- $$ = new Linq.Select ((Expression)$2, GetLocation ($1));
+ $$ = new Linq.Select (current_block.Toplevel, (Expression)$3, GetLocation ($1));
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+ }
+ | GROUP
+ {
+ if (linq_clause_blocks == null)
+ linq_clause_blocks = new Stack ();
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ linq_clause_blocks.Push (current_block);
+ }
+ expression
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
}
- | GROUP expression BY expression
+ BY expression
{
- $$ = new Linq.GroupBy ((Expression)$2, (Expression)$4, GetLocation ($1));
+ $$ = new Linq.GroupBy (current_block.Toplevel, (Expression)$3, (ToplevelBlock) linq_clause_blocks.Pop (), (Expression)$6, GetLocation ($1));
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
}
;
;
let_clause
- : LET IDENTIFIER ASSIGN expression
+ : LET IDENTIFIER ASSIGN
+ {
+ current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
+ }
+ expression
{
LocatedToken lt = (LocatedToken) $2;
- current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
- lt.Value, lt.Location);
- $$ = new Linq.Let (lt, (Expression)$4, GetLocation ($1));
+ $$ = new Linq.Let (current_block.Toplevel, current_container, lt, (Expression)$5);
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ ((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
}
;
where_clause
- : WHERE boolean_expression
+ : WHERE
+ {
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ }
+ boolean_expression
{
- $$ = new Linq.Where ((Expression)$2, GetLocation ($1));
+ $$ = new Linq.Where (current_block.Toplevel, (Expression)$3, GetLocation ($1));
+
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
}
;
join_clause
- : JOIN IDENTIFIER IN expression ON expression EQUALS expression opt_join_into
+ : JOIN IDENTIFIER IN
+ {
+ if (linq_clause_blocks == null)
+ linq_clause_blocks = new Stack ();
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ linq_clause_blocks.Push (current_block);
+ }
+ expression ON
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ linq_clause_blocks.Push (current_block);
+ }
+ expression EQUALS
+ {
+ current_block.AddStatement (new ContextualReturn ((Expression) $8));
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $2, lexer.Location);
+ }
+ expression opt_join_into
{
- Location loc = GetLocation ($1);
LocatedToken lt = (LocatedToken) $2;
- current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
- lt.Value, lt.Location);
- if ($9 == null) {
- $$ = new Linq.Join (lt, (Expression)$4, (Expression)$6,
- (Expression)$8, loc);
+ ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
+ ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();
+
+ if ($12 == null) {
+ $$ = new Linq.Join (block, lt, (Expression)$5, outer_selector, current_block.Toplevel, GetLocation ($1));
} else {
- LocatedToken lt_into = (LocatedToken) $9;
- $$ = new Linq.GroupJoin (lt, (Expression)$4, (Expression)$6,
- (Expression)$8, lt_into, loc);
+ $$ = new Linq.GroupJoin (block, lt, (Expression)$5, outer_selector, current_block.Toplevel,
+ (LocatedToken) $12, GetLocation ($1));
}
+
+ current_block.AddStatement (new ContextualReturn ((Expression) $11));
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ if ($12 == null)
+ ((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
+ else
+ ((Linq.QueryBlock)current_block).AddTransparentParameter ((LocatedToken) $12);
+ }
+ | JOIN type IDENTIFIER IN
+ {
+ if (linq_clause_blocks == null)
+ linq_clause_blocks = new Stack ();
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ linq_clause_blocks.Push (current_block);
+ }
+ expression ON
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ linq_clause_blocks.Push (current_block);
+ }
+ expression EQUALS
+ {
+ current_block.AddStatement (new ContextualReturn ((Expression) $9));
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $3, lexer.Location);
}
- | JOIN type IDENTIFIER IN expression ON expression EQUALS expression opt_join_into
+ expression opt_join_into
{
- Location loc = GetLocation ($1);
LocatedToken lt = (LocatedToken) $3;
- current_block.AddVariable ((Expression)$2, lt.Value, lt.Location);
+ ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
+ ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();
- Linq.Cast cast = new Linq.Cast ((Expression)$2, (Expression)$5);
- if ($10 == null) {
- $$ = new Linq.Join (lt, cast, (Expression)$7,
- (Expression)$9, loc);
+ Linq.Cast cast = new Linq.Cast ((FullNamedExpression)$2, (Expression)$6);
+ if ($13 == null) {
+ $$ = new Linq.Join (block, lt, cast, outer_selector, current_block.Toplevel, GetLocation ($1));
} else {
- LocatedToken lt_into = (LocatedToken) $10;
- $$ = new Linq.GroupJoin (lt, cast, (Expression)$7,
- (Expression)$9, lt_into, loc);
+ $$ = new Linq.GroupJoin (block, lt, cast, outer_selector, current_block.Toplevel,
+ (LocatedToken) $13, GetLocation ($1));
}
+
+ current_block.AddStatement (new ContextualReturn ((Expression) $12));
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ if ($13 == null)
+ ((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
+ else
+ ((Linq.QueryBlock)current_block).AddTransparentParameter ((LocatedToken) $13);
}
;
: /* empty */
| INTO IDENTIFIER
{
- $$ = $2;
+ $$ = $2;
}
;
orderby_clause
- : ORDERBY orderings
+ : ORDERBY
{
- $$ = $2;
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ }
+ orderings
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ $$ = $3;
}
;
orderings
: order_by
- | order_by COMMA orderings_then_by
+ | order_by COMMA
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ }
+ orderings_then_by
{
- ((Linq.AQueryClause)$1).Next = (Linq.AQueryClause)$3;
+ ((Linq.AQueryClause)$1).Next = (Linq.AQueryClause)$4;
$$ = $1;
}
;
orderings_then_by
: then_by
- {
- $$ = $1;
- }
- | orderings_then_by COMMA then_by
- {
+ | orderings_then_by COMMA
+ {
+ current_block.SetEndLocation (lexer.Location);
+ current_block = current_block.Parent;
+
+ current_block = new Linq.QueryBlock (current_block, lexer.Location);
+ }
+ then_by
+ {
((Linq.AQueryClause)$1).Tail.Next = (Linq.AQueryClause)$3;
$$ = $1;
- }
+ }
;
order_by
: expression
{
- $$ = new Linq.OrderByAscending ((Expression)$1);
+ $$ = new Linq.OrderByAscending (current_block.Toplevel, (Expression)$1);
}
| expression ASCENDING
{
- $$ = new Linq.OrderByAscending ((Expression)$1);
+ $$ = new Linq.OrderByAscending (current_block.Toplevel, (Expression)$1);
}
| expression DESCENDING
{
- $$ = new Linq.OrderByDescending ((Expression)$1);
+ $$ = new Linq.OrderByDescending (current_block.Toplevel, (Expression)$1);
}
;
then_by
: expression
{
- $$ = new Linq.ThenByAscending ((Expression)$1);
+ $$ = new Linq.ThenByAscending (current_block.Toplevel, (Expression)$1);
}
| expression ASCENDING
{
- $$ = new Linq.ThenByAscending ((Expression)$1);
+ $$ = new Linq.ThenByAscending (current_block.Toplevel, (Expression)$1);
}
| expression DESCENDING
{
- $$ = new Linq.ThenByDescending ((Expression)$1);
+ $$ = new Linq.ThenByDescending (current_block.Toplevel, (Expression)$1);
}
;
current_block.SetEndLocation (GetLocation ($1));
current_block = current_block.Parent;
- current_block = new Linq.QueryBlock (current_block, GetLocation ($1));
- LocatedToken lt = (LocatedToken) $2;
- current_block.AddVariable (Linq.ImplicitQueryParameter.ImplicitType.Instance,
- lt.Value, lt.Location);
+ current_block = new Linq.QueryBlock (current_block, (LocatedToken) $2, GetLocation ($1));
}
query_body
{
- $$ = new Linq.QueryExpression ((LocatedToken) $2,
- (Linq.AQueryClause)$4);
+ $$ = new Linq.QueryExpression (current_block, (Linq.AQueryClause)$4);
}
;
Parameter [] mpar = new Parameter [1];
mpar [0] = new Parameter (TypeManager.system_object_expr, "$retval", Parameter.Modifier.REF, null, Location.Null);
- Parameters pars = new Parameters (mpar);
+ ParametersCompiled pars = new ParametersCompiled (mpar);
current_local_parameters = pars;
Method method = new Method (
current_class,
++lexer.parsing_block;
start_block (lexer.Location);
}
- interactive_statement_list
+ interactive_statement_list opt_COMPLETE_COMPLETION
{
--lexer.parsing_block;
Method method = (Method) oob_stack.Pop ();
method.Block = (ToplevelBlock) end_block(lexer.Location);
current_container.AddMethod (method);
+ --lexer.parsing_declaration;
InteractiveResult = pop_current_class ();
current_local_parameters = null;
}
| global_attributes
| /* nothing */
;
+
+opt_COMPLETE_COMPLETION
+ : /* nothing */
+ | COMPLETE_COMPLETION
+ ;
+
+close_brace_or_complete_completion
+ : CLOSE_BRACE
+ | COMPLETE_COMPLETION
+ ;
%%
// <summary>
}
}
-void Error_ExpectingTypeName (Expression expr)
+static void Error_ExpectingTypeName (Expression expr)
{
if (expr is Invocation){
Report.Error (1002, expr.Location, "Expecting `;'");
Report.Error (1031, loc, "Type expected");
}
+static void Error_NamedArgumentExpected (NamedArgument a)
+{
+ Report.Error (1738, a.Name.Location, "Named arguments must appear after the positional arguments");
+}
+
void push_current_class (TypeContainer tc, object partial_token)
{
if (RootContext.EvalMode){
else
current_container = current_container.AddTypeContainer (tc);
-
+ ++lexer.parsing_declaration;
current_class = tc;
}
Report.Error (1003, l, "Syntax error, " + msg);
}
-void note (string s)
-{
- // Used to put annotations
-}
-
Tokenizer lexer;
public Tokenizer Lexer {
}
void
-start_anonymous (bool lambda, Parameters parameters, Location loc)
+start_anonymous (bool lambda, ParametersCompiled parameters, Location loc)
{
+ if (RootContext.Version == LanguageVersion.ISO_1){
+ Report.FeatureIsNotAvailable (loc, "anonymous methods");
+ }
+
oob_stack.Push (current_anonymous_method);
oob_stack.Push (current_local_parameters);
current_local_parameters = parameters;
current_anonymous_method = lambda
- ? new LambdaExpression (parameters, loc)
- : new AnonymousMethodExpression (parameters, loc);
+ ? new LambdaExpression (loc)
+ : new AnonymousMethodExpression (loc);
// Force the next block to be created as a ToplevelBlock
parsing_anonymous_method = true;
* Completes the anonymous method processing, if lambda_expr is null, this
* means that we have a Statement instead of an Expression embedded
*/
-AnonymousMethodExpression end_anonymous (ToplevelBlock anon_block, Location loc)
+AnonymousMethodExpression end_anonymous (ToplevelBlock anon_block)
{
AnonymousMethodExpression retval;
- if (RootContext.Version == LanguageVersion.ISO_1){
- Report.FeatureIsNotAvailable (loc, "anonymous methods");
- retval = null;
- } else {
- current_anonymous_method.Block = anon_block;
- retval = current_anonymous_method;
- }
+ current_anonymous_method.Block = anon_block;
+ retval = current_anonymous_method;
- current_local_parameters = (Parameters) oob_stack.Pop ();
+ current_local_parameters = (ParametersCompiled) oob_stack.Pop ();
current_anonymous_method = (AnonymousMethodExpression) oob_stack.Pop ();
return retval;
}
}
-public string GetExpecting ()
+
+void Error_SyntaxError (int token)
{
- int [] tokens = yyExpectingTokens (yyExpectingState);
- if (tokens.Length == 1)
- return "`" + GetTokenName (tokens [0]) + "'";
+ Error_SyntaxError (0, token);
+}
+
+void Error_SyntaxError (int error_code, int token)
+{
+ string symbol = GetSymbolName (token);
+ string expecting = GetExpecting ();
- StringBuilder sb = new StringBuilder ();
- ArrayList names = new ArrayList ();
+ if (error_code == 0) {
+ if (expecting == "`)'")
+ error_code = 1026;
+ else
+ error_code = 1525;
+ }
+
+ if (expecting != null)
+ Report.Error (error_code, lexer.Location, "Unexpected symbol `{0}', expecting {1}",
+ symbol, expecting);
+ else
+ Report.Error (error_code, lexer.Location, "Unexpected symbol `{0}'", symbol);
+}
+
+string GetExpecting ()
+{
+ int [] tokens = yyExpectingTokens (yyExpectingState);
+ ArrayList names = new ArrayList (tokens.Length);
+ bool has_type = false;
+ bool has_identifier = false;
for (int i = 0; i < tokens.Length; i++){
- string name = GetTokenName (tokens [i]);
+ int token = tokens [i];
+ has_identifier |= token == Token.IDENTIFIER;
+
+ string name = GetTokenName (token);
if (name == "<internal>")
continue;
+
+ has_type |= name == "type";
if (names.Contains (name))
continue;
names.Add (name);
}
+ //
+ // Too many tokens to enumerate
+ //
+ if (names.Count > 8)
+ return null;
+
+ if (has_type && has_identifier)
+ names.Remove ("identifier");
+
+ if (names.Count == 1)
+ return "`" + GetTokenName (tokens [0]) + "'";
+
+ StringBuilder sb = new StringBuilder ();
names.Sort ();
int count = names.Count;
for (int i = 0; i < count; i++){
return sb.ToString ();
}
-static public string GetTokenName (int token)
+
+string GetSymbolName (int token)
+{
+ switch (token){
+ case Token.LITERAL_FLOAT:
+ case Token.LITERAL_INTEGER:
+ case Token.LITERAL_DOUBLE:
+ case Token.LITERAL_DECIMAL:
+ case Token.LITERAL_CHARACTER:
+ case Token.LITERAL_STRING:
+ return lexer.Value.ToString ();
+ case Token.IDENTIFIER:
+ return ((LocatedToken)lexer.Value).Value;
+
+ case Token.BOOL:
+ return "bool";
+ case Token.BYTE:
+ return "byte";
+ case Token.CHAR:
+ return "char";
+ case Token.VOID:
+ return "void";
+ case Token.DECIMAL:
+ return "decimal";
+ case Token.DOUBLE:
+ return "double";
+ case Token.FLOAT:
+ return "float";
+ case Token.INT:
+ return "int";
+ case Token.LONG:
+ return "long";
+ case Token.SBYTE:
+ return "sbyte";
+ case Token.SHORT:
+ return "short";
+ case Token.STRING:
+ return "string";
+ case Token.UINT:
+ return "uint";
+ case Token.ULONG:
+ return "ulong";
+ case Token.USHORT:
+ return "ushort";
+ case Token.OBJECT:
+ return "object";
+
+ case Token.PLUS:
+ return "+";
+ case Token.UMINUS:
+ case Token.MINUS:
+ return "-";
+ case Token.BANG:
+ return "!";
+ case Token.BITWISE_AND:
+ return "&";
+ case Token.BITWISE_OR:
+ return "|";
+ case Token.STAR:
+ return "*";
+ case Token.PERCENT:
+ return "%";
+ case Token.DIV:
+ return "/";
+ case Token.CARRET:
+ return "^";
+ case Token.OP_INC:
+ return "++";
+ case Token.OP_DEC:
+ return "--";
+ case Token.OP_SHIFT_LEFT:
+ return "<<";
+ case Token.OP_SHIFT_RIGHT:
+ return ">>";
+ case Token.OP_LT:
+ return "<";
+ case Token.OP_GT:
+ return ">";
+ case Token.OP_LE:
+ return "<=";
+ case Token.OP_GE:
+ return ">=";
+ case Token.OP_EQ:
+ return "==";
+ case Token.OP_NE:
+ return "!=";
+ case Token.OP_AND:
+ return "&&";
+ case Token.OP_OR:
+ return "||";
+ case Token.OP_PTR:
+ return "->";
+ case Token.OP_COALESCING:
+ return "??";
+ case Token.OP_MULT_ASSIGN:
+ return "*=";
+ case Token.OP_DIV_ASSIGN:
+ return "/=";
+ case Token.OP_MOD_ASSIGN:
+ return "%=";
+ case Token.OP_ADD_ASSIGN:
+ return "+=";
+ case Token.OP_SUB_ASSIGN:
+ return "-=";
+ case Token.OP_SHIFT_LEFT_ASSIGN:
+ return "<<=";
+ case Token.OP_SHIFT_RIGHT_ASSIGN:
+ return ">>=";
+ case Token.OP_AND_ASSIGN:
+ return "&=";
+ case Token.OP_XOR_ASSIGN:
+ return "^=";
+ case Token.OP_OR_ASSIGN:
+ return "|=";
+ }
+
+ return GetTokenName (token);
+}
+
+static string GetTokenName (int token)
{
switch (token){
case Token.ABSTRACT:
return "as";
case Token.ADD:
return "add";
- case Token.ASSEMBLY:
- return "assembly";
case Token.BASE:
return "base";
case Token.BREAK:
return "new";
case Token.NULL:
return "null";
- case Token.OBJECT:
- return "object";
case Token.OPERATOR:
return "operator";
case Token.OUT:
case Token.WHILE:
return "while";
case Token.ARGLIST:
- return "arglist";
+ return "__arglist";
case Token.PARTIAL:
return "partial";
case Token.ARROW:
return "=>";
case Token.FROM:
+ case Token.FROM_FIRST:
return "from";
case Token.JOIN:
return "join";
return "[";
case Token.CLOSE_BRACKET:
return "]";
- case Token.DEFAULT_OPEN_PARENS:
+ case Token.OPEN_PARENS_CAST:
case Token.OPEN_PARENS_LAMBDA:
case Token.OPEN_PARENS:
return "(";
- case Token.CLOSE_PARENS_CAST:
- case Token.CLOSE_PARENS_NO_CAST:
- case Token.CLOSE_PARENS_OPEN_PARENS:
- case Token.CLOSE_PARENS_MINUS:
case Token.CLOSE_PARENS:
return ")";
case Token.DOT:
case Token.OP_OR:
case Token.OP_PTR:
case Token.OP_COALESCING:
- return "<operator>";
-
case Token.OP_MULT_ASSIGN:
case Token.OP_DIV_ASSIGN:
case Token.OP_MOD_ASSIGN:
case Token.UINT:
case Token.ULONG:
case Token.USHORT:
- return "<type>";
+ case Token.OBJECT:
+ return "type";
case Token.ASSIGN:
return "=";
case Token.EVAL_COMPILATION_UNIT_PARSER:
case Token.EVAL_USING_DECLARATIONS_UNIT_PARSER:
case Token.EVAL_STATEMENT_PARSER:
- case Token.LOWPREC:
- case Token.QUERY_LAST_TOKEN:
- case Token.QUERY_FIRST_TOKEN:
- case Token.LAST_KEYWORD:
+ case Token.LAST_KEYWORD:
+ case Token.GENERATE_COMPLETION:
+ case Token.COMPLETE_COMPLETION:
return "<internal>";
// A bit more robust.
projects / mono.git / blobdiff