// Possible optimization:
// Run memory profiler with parsing only, and consider dropping
// arraylists where not needed. Some pieces can use linked lists.
-//
+
+
using System.Text;
using System.IO;
using System;
///
Stack switch_stack;
+ ///
+ /// Controls the verbosity of the errors produced by the parser
+ ///
static public int yacc_verbose_flag;
+ ///
+ /// Used by the interactive shell, flags whether EOF was reached
+ /// and an error was produced
+ ///
+ public bool UnexpectedEOF;
+
///
/// The current file.
///
bool params_modifiers_not_allowed;
bool arglist_allowed;
+
+ /// When using the interactive parser, this holds the
+ /// resulting expression
+ public object InteractiveResult;
+
+ //
+ // Keeps track of global data changes to undo on parser error
+ //
+ public Undo undo;
+
+ // A counter to create new class names in interactive mode
+ static int class_count;
%}
%token EOF
%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 JOIN
%token ON
%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 "get"
-%token SET "set"
+%token GET
+%token SET
%left LAST_KEYWORD
/* C# single character operators/punctuation. */
-%token OPEN_BRACE "{"
-%token CLOSE_BRACE "}"
-%token OPEN_BRACKET "["
-%token CLOSE_BRACKET "]"
-%token OPEN_PARENS "("
-%token CLOSE_PARENS ")"
-%token DOT "."
-%token COMMA ","
-%token COLON ":"
-%token SEMICOLON ";"
-%token TILDE "~"
-
-%token PLUS "+"
-%token MINUS "-"
-%token BANG "!"
-%token ASSIGN "="
-%token OP_LT "<"
-%token OP_GENERICS_LT "<"
-%token OP_GT ">"
-%token OP_GENERICS_GT ">"
-%token BITWISE_AND "&"
-%token BITWISE_OR "|"
-%token STAR "*"
-%token PERCENT "%"
-%token DIV "/"
-%token CARRET "^"
-%token INTERR "?"
+%token OPEN_BRACE
+%token CLOSE_BRACE
+%token OPEN_BRACKET
+%token CLOSE_BRACKET
+%token OPEN_PARENS
+%token CLOSE_PARENS
+
+%token DOT
+%token COMMA
+%token COLON
+%token SEMICOLON
+%token TILDE
+
+%token PLUS
+%token MINUS
+%token BANG
+%token ASSIGN
+%token OP_LT
+%token OP_GT
+%token BITWISE_AND
+%token BITWISE_OR
+%token STAR
+%token PERCENT
+%token DIV
+%token CARRET
+%token INTERR
/* C# multi-character operators. */
-%token DOUBLE_COLON "::"
-%token OP_INC "++"
-%token OP_DEC "--"
-%token OP_SHIFT_LEFT "<<"
-%token OP_SHIFT_RIGHT ">>"
-%token OP_LE "<="
-%token OP_GE ">="
-%token OP_EQ "=="
-%token OP_NE "!="
-%token OP_AND "&&"
-%token OP_OR "||"
-%token OP_MULT_ASSIGN "*="
-%token OP_DIV_ASSIGN "/="
-%token OP_MOD_ASSIGN "%="
-%token OP_ADD_ASSIGN "+="
-%token OP_SUB_ASSIGN "-="
-%token OP_SHIFT_LEFT_ASSIGN "<<="
-%token OP_SHIFT_RIGHT_ASSIGN ">>="
-%token OP_AND_ASSIGN "&="
-%token OP_XOR_ASSIGN "^="
-%token OP_OR_ASSIGN "|="
-%token OP_PTR "->"
-%token OP_COALESCING "??"
+%token DOUBLE_COLON
+%token OP_INC
+%token OP_DEC
+%token OP_SHIFT_LEFT
+%token OP_SHIFT_RIGHT
+%token OP_LE
+%token OP_GE
+%token OP_EQ
+%token OP_NE
+%token OP_AND
+%token OP_OR
+%token OP_MULT_ASSIGN
+%token OP_DIV_ASSIGN
+%token OP_MOD_ASSIGN
+%token OP_ADD_ASSIGN
+%token OP_SUB_ASSIGN
+%token OP_SHIFT_LEFT_ASSIGN
+%token OP_SHIFT_RIGHT_ASSIGN
+%token OP_AND_ASSIGN
+%token OP_XOR_ASSIGN
+%token OP_OR_ASSIGN
+%token OP_PTR
+%token OP_COALESCING
/* Numbers */
-%token LITERAL_INTEGER "int literal"
-%token LITERAL_FLOAT "float literal"
-%token LITERAL_DOUBLE "double literal"
-%token LITERAL_DECIMAL "decimal literal"
-%token LITERAL_CHARACTER "character literal"
-%token LITERAL_STRING "string literal"
+%token LITERAL_INTEGER
+%token LITERAL_FLOAT
+%token LITERAL_DOUBLE
+%token LITERAL_DECIMAL
+%token LITERAL_CHARACTER
+%token LITERAL_STRING
%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
+// Make the parser go into eval mode parsing (statements and compilation units).
+%token EVAL_STATEMENT_PARSER
+%token EVAL_COMPILATION_UNIT_PARSER
+%token EVAL_USING_DECLARATIONS_UNIT_PARSER
+
/* Add precedence rules to solve dangling else s/r conflict */
%nonassoc LOWPREC
%nonassoc IF
| outer_declarations global_attributes opt_EOF
| global_attributes opt_EOF
| opt_EOF /* allow empty files */
- ;
-
+ | interactive_parsing opt_EOF
+ ;
+
opt_EOF
: /* empty */
{
;
outer_declarations
- : outer_declaration
- | outer_declarations outer_declaration
- ;
+ : outer_declaration
+ | outer_declarations outer_declaration
+ ;
outer_declaration
: extern_alias_directive
- | using_directive
- | namespace_member_declaration
- ;
+ | using_directive
+ | namespace_member_declaration
+ ;
extern_alias_directives
: extern_alias_directive
- | extern_alias_directives extern_alias_directive;
+ | extern_alias_directives extern_alias_directive
+ ;
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
;
using_alias_directive
- : USING IDENTIFIER ASSIGN
- namespace_or_type_name SEMICOLON
+ : USING IDENTIFIER ASSIGN namespace_or_type_name SEMICOLON
{
LocatedToken lt = (LocatedToken) $2;
current_namespace.AddUsingAlias (lt.Value, (MemberName) $4, (Location) $1);
}
| USING error {
CheckIdentifierToken (yyToken, GetLocation ($2));
+ $$ = null;
}
;
;
namespace_name
- : namespace_or_type_name {
+ : namespace_or_type_name
+ {
MemberName name = (MemberName) $1;
if (name.TypeArguments != null)
opt_namespace_member_declarations
EOF
{
- Report.Error (1513, lexer.Location, "} expected");
+ Report.Error (1513, lexer.Location, "Expected `}'");
}
;
type_declaration
: class_declaration
- | struct_declaration
- | interface_declaration
+ | struct_declaration
+ | interface_declaration
| enum_declaration
| delegate_declaration
//
global_attributes
: attribute_sections
-{
- if ($1 != null) {
- Attributes attrs = (Attributes)$1;
- if (global_attrs_enabled) {
- CodeGen.Assembly.AddAttributes (attrs.Attrs);
- } else {
- foreach (Attribute a in attrs.Attrs) {
- Report.Error (1730, a.Location, "Assembly and module attributes must precede all other elements except using clauses and extern alias declarations");
+ {
+ if ($1 != null) {
+ Attributes attrs = (Attributes)$1;
+ if (global_attrs_enabled) {
+ CodeGen.Assembly.AddAttributes (attrs.Attrs);
+ } else {
+ foreach (Attribute a in attrs.Attrs) {
+ Report.Error (1730, a.Location, "Assembly and module attributes must precede all other elements except using clauses and extern alias declarations");
+ }
}
}
- }
-
- $$ = $1;
-}
+ $$ = $1;
+ }
+ ;
opt_attributes
: /* empty */
{
$$ = $3;
}
- | OPEN_BRACKET attribute_list opt_comma CLOSE_BRACKET
+ | OPEN_BRACKET attribute_list opt_comma CLOSE_BRACKET
{
$$ = $2;
}
| RETURN { $$ = "return"; }
| error
{
- string name = yyNames [yyToken].ToLower ();
+ string name = GetTokenName (yyToken);
$$ = CheckAttributeTarget (name, GetLocation ($1));
}
;
;
attribute
- : attribute_name opt_attribute_arguments
+ : attribute_name
+ {
+ ++lexer.parsing_block;
+ }
+ opt_attribute_arguments
{
+ --lexer.parsing_block;
MemberName mname = (MemberName) $1;
if (mname.IsGeneric) {
Report.Error (404, lexer.Location,
"'<' unexpected: attributes cannot be generic");
}
- object [] arguments = (object []) $2;
+ object [] arguments = (object []) $3;
MemberName left = mname.Left;
string identifier = mname.Name;
$$ = args;
}
- | named_argument_list COMMA expression
- {
- Report.Error (1016, ((Expression) $3).Location, "Named attribute argument expected");
- $$ = null;
- }
- ;
+ | named_argument_list COMMA expression
+ {
+ Report.Error (1016, ((Expression) $3).Location, "Named attribute argument expected");
+ $$ = null;
+ }
+ ;
named_argument
: IDENTIFIER ASSIGN expression
| 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));
+ $$ = null;
+ }
;
struct_declaration
{
lexer.ConstraintsParsing = true;
}
- type_name
+ type_declaration_name
{
MemberName name = MakeName ((MemberName) $6);
push_current_class (new Struct (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
struct_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
constant_declarator
- : IDENTIFIER ASSIGN constant_expression
+ : IDENTIFIER ASSIGN
{
- $$ = new VariableDeclaration ((LocatedToken) $1, $3);
+ ++lexer.parsing_block;
+ }
+ constant_initializer
+ {
+ --lexer.parsing_block;
+ $$ = new VariableDeclaration ((LocatedToken) $1, $4);
}
| IDENTIFIER
{
$$ = null;
}
;
+
+constant_initializer
+ : constant_expression
+ | array_initializer
+ ;
field_declaration
: opt_attributes
opt_modifiers
- type
+ member_type
variable_declarators
SEMICOLON
{
FullNamedExpression type = (FullNamedExpression) $3;
+ if (type == TypeManager.system_void_expr)
+ Report.Error (670, GetLocation ($3), "Fields cannot have void type");
+
int mod = (int) $2;
current_array_type = null;
- foreach (VariableDeclaration var in (ArrayList) $4){
- Field field = new Field (current_class, type, mod, var.identifier,
- (Attributes) $1, var.Location);
+ foreach (VariableMemberDeclaration var in (ArrayList) $4){
+ Field field = new Field (current_class, type, mod, var.MemberName, (Attributes) $1);
field.Initializer = var.expression_or_array_initializer;
| opt_attributes
opt_modifiers
FIXED
- type
+ member_type
fixed_variable_declarators
SEMICOLON
{
FullNamedExpression type = (FullNamedExpression) $4;
+
int mod = (int) $2;
current_array_type = null;
| opt_attributes
opt_modifiers
FIXED
- type
+ member_type
error
{
Report.Error (1641, GetLocation ($4), "A fixed size buffer field must have the array size specifier after the field name");
}
- | opt_attributes
- opt_modifiers
- VOID
- variable_declarators
- SEMICOLON {
- current_array_type = null;
- Report.Error (670, (Location) $3, "Fields cannot have void type");
- }
;
fixed_variable_declarators
$$ = new VariableDeclaration ((LocatedToken) $1, null);
}
;
-
-variable_declarators
- : variable_declarator
+
+
+local_variable_declarators
+ : local_variable_declarator
{
ArrayList decl = new ArrayList (4);
if ($1 != null)
decl.Add ($1);
$$ = decl;
}
- | variable_declarators COMMA variable_declarator
+ | local_variable_declarators COMMA local_variable_declarator
{
ArrayList decls = (ArrayList) $1;
decls.Add ($3);
$$ = $1;
}
;
-
-variable_declarator
- : IDENTIFIER ASSIGN variable_initializer
+
+local_variable_declarator
+ : IDENTIFIER ASSIGN local_variable_initializer
{
$$ = new VariableDeclaration ((LocatedToken) $1, $3);
}
{
$$ = new VariableDeclaration ((LocatedToken) $1, null);
}
- | IDENTIFIER OPEN_BRACKET opt_expression CLOSE_BRACKET
+ | IDENTIFIER variable_bad_array
{
- Report.Error (650, ((LocatedToken) $1).Location, "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
- "To declare a fixed size buffer field, use the fixed keyword before the field type");
$$ = null;
}
;
-variable_initializer
+local_variable_initializer
: expression
- {
- $$ = $1;
- }
| array_initializer
- {
- $$ = $1;
- }
- | STACKALLOC type 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
+ {
+ ArrayList decl = new ArrayList (4);
+ if ($1 != null)
+ decl.Add ($1);
+ $$ = decl;
+ }
+ | variable_declarators COMMA variable_declarator
+ {
+ ArrayList decls = (ArrayList) $1;
+ decls.Add ($3);
+ $$ = $1;
+ }
+ ;
+
+variable_declarator
+ : member_declaration_name ASSIGN
+ {
+ ++lexer.parsing_block;
+ lexer.parsing_generic_declaration = false;
+ }
+ variable_initializer
+ {
+ --lexer.parsing_block;
+ $$ = new VariableMemberDeclaration ((MemberName) $1, $4);
+ }
+ | member_declaration_name
+ {
+ lexer.parsing_generic_declaration = false;
+ $$ = new VariableMemberDeclaration ((MemberName) $1, null);
+ }
+ | member_declaration_name variable_bad_array
+ {
+ lexer.parsing_generic_declaration = false;
+ $$ = null;
+ }
+ ;
+
+variable_bad_array
+ : OPEN_BRACKET opt_expression CLOSE_BRACKET
+ {
+ Report.Error (650, GetLocation ($1), "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
+ "To declare a fixed size buffer field, use the fixed keyword before the field type");
}
;
+variable_initializer
+ : expression
+ | array_initializer
+ ;
+
method_declaration
: method_header {
if (RootContext.Documentation != null)
Method method = (Method) $1;
method.Block = (ToplevelBlock) $3;
current_container.AddMethod (method);
+
+ if (current_container.Kind == Kind.Interface && method.Block != null) {
+ Report.Error (531, method.Location, "`{0}': interface members cannot have a definition", method.GetSignatureForError ());
+ }
current_generic_method = null;
current_local_parameters = null;
}
;
-opt_error_modifier
- : /* empty */
- | modifiers
- {
- int m = (int) $1;
- int i = 1;
-
- while (m != 0){
- if ((i & m) != 0){
- Report.Error (1585, lexer.Location,
- "Member modifier `{0}' must precede the member type and name",
- Modifiers.Name (i));
- }
- m &= ~i;
- i = i << 1;
- }
- }
- ;
-
method_header
: opt_attributes
opt_modifiers
- type member_name
- OPEN_PARENS
+ member_type
+ method_declaration_name OPEN_PARENS
{
arglist_allowed = true;
}
generic.SetParameterInfo ((ArrayList) $10);
}
- method = new Method (current_class, generic, (FullNamedExpression) $3, (int) $2, false,
+ method = new Method (current_class, generic, (FullNamedExpression) $3, (int) $2,
name, current_local_parameters, (Attributes) $1);
current_generic_method = generic;
$$ = method;
}
- | opt_attributes
- opt_modifiers
- VOID member_name
- OPEN_PARENS
- {
- arglist_allowed = true;
- }
- opt_formal_parameter_list CLOSE_PARENS
- {
- lexer.ConstraintsParsing = true;
- }
- opt_type_parameter_constraints_clauses
- {
- lexer.ConstraintsParsing = false;
- arglist_allowed = false;
-
- MemberName name = (MemberName) $4;
- current_local_parameters = (Parameters) $7;
-
- if ($10 != null && name.TypeArguments == null)
- Report.Error (80, lexer.Location,
- "Constraints are not allowed on non-generic declarations");
-
- Method method;
- GenericMethod generic = null;
- if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_class, name,
- TypeManager.system_void_expr, current_local_parameters);
-
- generic.SetParameterInfo ((ArrayList) $10);
- }
-
- method = new Method (current_class, generic, TypeManager.system_void_expr,
- (int) $2, false, name, current_local_parameters, (Attributes) $1);
-
- current_generic_method = generic;
-
- if (RootContext.Documentation != null)
- method.DocComment = Lexer.consume_doc_comment ();
-
- $$ = method;
- }
| opt_attributes
opt_modifiers
PARTIAL
- VOID member_name
+ VOID method_declaration_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
lexer.ConstraintsParsing = true;
modifiers |= Modifiers.PARTIAL | Modifiers.PRIVATE;
method = new Method (current_class, generic, TypeManager.system_void_expr,
- modifiers, false, name, current_local_parameters, (Attributes) $1);
+ modifiers, name, current_local_parameters, (Attributes) $1);
current_generic_method = generic;
}
| opt_attributes
opt_modifiers
- type
- modifiers member_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
+ member_type
+ modifiers method_declaration_name OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = (MemberName) $5;
Report.Error (1585, name.Location,
"Member modifier `{0}' must precede the member type and name", Modifiers.Name ((int) $4));
Method method = new Method (current_class, null, TypeManager.system_void_expr,
- 0, false, name, (Parameters) $7, (Attributes) $1);
+ 0, name, (Parameters) $7, (Attributes) $1);
current_local_parameters = (Parameters) $7;
| fixed_parameters COMMA arglist_modifier
{
ArrayList pars_list = (ArrayList) $1;
- //pars_list.Add (new ArglistParameter (GetLocation ($3)));
+ pars_list.Add (new ArglistParameter (GetLocation ($3)));
Parameter [] pars = new Parameter [pars_list.Count];
pars_list.CopyTo (pars);
}
| arglist_modifier
{
- $$ = new Parameters (new Parameter[0], true);
+ $$ = new Parameters (new Parameter [] { new ArglistParameter ((Location) $1) }, true);
}
;
type
{
Report.Error (1001, GetLocation ($3), "Identifier expected");
- $$ = null;
+ $$ = new Parameter ((FullNamedExpression) $3, "NeedSomeGeneratorHere", (Parameter.Modifier) $2, (Attributes) $1, lexer.Location);
}
| opt_attributes
opt_parameter_modifier
Report.Error (1669, (Location) $1, "__arglist is not valid in this context");
}
;
-
+
property_declaration
: opt_attributes
opt_modifiers
- type
- namespace_or_type_name
+ member_type
+ member_declaration_name
{
if (RootContext.Documentation != null)
tmpComment = Lexer.consume_doc_comment ();
OPEN_BRACE
{
implicit_value_parameter_type = (FullNamedExpression) $3;
-
lexer.PropertyParsing = true;
}
accessor_declarations
}
CLOSE_BRACE
{
- if ($8 == null)
- break;
-
Property prop;
Accessors accessors = (Accessors) $8;
- Accessor get_block = accessors.get_or_add;
- Accessor set_block = accessors.set_or_remove;
+ Accessor get_block = accessors != null ? accessors.get_or_add : null;
+ Accessor set_block = accessors != null ? accessors.set_or_remove : null;
+ bool order = accessors != null ? accessors.declared_in_reverse : false;
MemberName name = (MemberName) $4;
+ FullNamedExpression ptype = (FullNamedExpression) $3;
- if (name.TypeArguments != null)
- syntax_error (lexer.Location, "a property can't have type arguments");
+ prop = new Property (current_class, ptype, (int) $2,
+ name, (Attributes) $1, get_block, set_block, order, current_block);
+
+ if (ptype == TypeManager.system_void_expr)
+ Report.Error (547, name.Location, "`{0}': property or indexer cannot have void type", prop.GetSignatureForError ());
+
+ if (accessors == null)
+ Report.Error (548, prop.Location, "`{0}': property or indexer must have at least one accessor", prop.GetSignatureForError ());
+
+ if (current_container.Kind == Kind.Interface) {
+ if (prop.Get.Block != null)
+ Report.Error (531, prop.Location, "`{0}.get': interface members cannot have a definition", prop.GetSignatureForError ());
- prop = new Property (current_class, (FullNamedExpression) $3, (int) $2, false,
- name, (Attributes) $1, get_block, set_block, accessors.declared_in_reverse, current_block);
+ if (prop.Set.Block != null)
+ Report.Error (531, prop.Location, "`{0}.set': interface members cannot have a definition", prop.GetSignatureForError ());
+ }
current_container.AddProperty (prop);
implicit_value_parameter_type = null;
}
| 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);
+ }
}
;
current_local_parameters = indexer_parameters;
lexer.PropertyParsing = false;
}
- accessor_body
+ 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, (Location) $3);
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, current_local_parameters, (Location) $3);
has_get = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
set_accessor_declaration
: opt_attributes opt_modifiers SET
{
- Parameter [] args;
Parameter implicit_value_parameter = new Parameter (
implicit_value_parameter_type, "value",
Parameter.Modifier.NONE, null, (Location) $3);
- if (parsing_indexer == false) {
- args = new Parameter [1];
- args [0] = implicit_value_parameter;
- current_local_parameters = new Parameters (args);
+ if (!parsing_indexer) {
+ current_local_parameters = new Parameters (new Parameter [] { implicit_value_parameter });
} else {
- Parameter [] fpars = indexer_parameters.FixedParameters;
-
- if (fpars != null){
- int count = fpars.Length;
-
- args = new Parameter [count + 1];
- fpars.CopyTo (args, 0);
- args [count] = implicit_value_parameter;
- } else
- args = null;
- current_local_parameters = new Parameters (
- args);
+ current_local_parameters = Parameters.MergeGenerated (
+ indexer_parameters, true, implicit_value_parameter, null);
}
lexer.PropertyParsing = false;
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, (Location) $3);
+ Accessor accessor = new Accessor ((ToplevelBlock) $5, (int) $2, (Attributes) $1, current_local_parameters, (Location) $3);
has_set = true;
current_local_parameters = null;
lexer.PropertyParsing = true;
accessor_body
: block
- | SEMICOLON { $$ = null; }
+ | SEMICOLON
+ {
+ $$ = null;
+ }
+ | error
+ {
+ Error_SyntaxError (1043, yyToken);
+ $$ = null;
+ }
;
interface_declaration
{
lexer.ConstraintsParsing = true;
}
- type_name
+ type_declaration_name
{
MemberName name = MakeName ((MemberName) $6);
push_current_class (new Interface (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
interface_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
interface_member_declaration
- : interface_method_declaration
- {
- if ($1 == null)
- break;
-
- Method m = (Method) $1;
-
- if (m.IsExplicitImpl)
- Report.Error (541, m.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
- m.GetSignatureForError ());
-
- current_container.AddMethod (m);
+ : constant_declaration
+ {
+ Report.Error (525, GetLocation ($1), "Interfaces cannot contain fields or constants");
+ }
+ | field_declaration
+ {
+ Report.Error (525, GetLocation ($1), "Interfaces cannot contain fields or constants");
+ }
+ | method_declaration
+ | property_declaration
+ | event_declaration
+ | indexer_declaration
+ | operator_declaration
+ {
+ Report.Error (567, GetLocation ($1), "Interfaces cannot contain operators");
+ }
+ | constructor_declaration
+ {
+ Report.Error (526, GetLocation ($1), "Interfaces cannot contain contructors");
+ }
+ | type_declaration
+ {
+ Report.Error (524, GetLocation ($1), "Interfaces cannot declare classes, structs, interfaces, delegates, or enumerations");
+ }
+ ;
- if (RootContext.Documentation != null)
- Lexer.doc_state = XmlCommentState.Allowed;
+operator_declaration
+ : opt_attributes opt_modifiers operator_declarator
+ {
}
- | interface_property_declaration
- {
- if ($1 == null)
+ operator_body
+ {
+ if ($3 == null)
break;
- Property p = (Property) $1;
+ OperatorDeclaration decl = (OperatorDeclaration) $3;
+ Operator op = new Operator (
+ current_class, decl.optype, decl.ret_type, (int) $2,
+ current_local_parameters,
+ (ToplevelBlock) $5, (Attributes) $1, decl.location);
- if (p.IsExplicitImpl)
- Report.Error (541, p.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
- p.GetSignatureForError ());
+ if (RootContext.Documentation != null) {
+ op.DocComment = tmpComment;
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
- current_container.AddProperty (p);
+ // Note again, checking is done in semantic analysis
+ current_container.AddOperator (op);
- if (RootContext.Documentation != null)
- Lexer.doc_state = XmlCommentState.Allowed;
+ current_local_parameters = null;
}
- | interface_event_declaration
- {
- if ($1 != null){
- Event e = (Event) $1;
-
- if (e.IsExplicitImpl)
- Report.Error (541, e.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
- e.GetSignatureForError ());
-
- current_container.AddEvent (e);
- }
-
- if (RootContext.Documentation != null)
- Lexer.doc_state = XmlCommentState.Allowed;
- }
- | interface_indexer_declaration
- {
- if ($1 == null)
- break;
-
- Indexer i = (Indexer) $1;
-
- if (i.IsExplicitImpl)
- Report.Error (541, i.Location, "`{0}': explicit interface declaration can only be declared in a class or struct",
- i.GetSignatureForError ());
-
- current_container.AddIndexer (i);
-
- if (RootContext.Documentation != null)
- Lexer.doc_state = XmlCommentState.Allowed;
- }
- | delegate_declaration
- {
- if ($1 != null) {
- Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
- ((MemberCore)$1).GetSignatureForError ());
- }
- }
- | class_declaration
- {
- if ($1 != null) {
- Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
- ((MemberCore)$1).GetSignatureForError ());
- }
- }
- | struct_declaration
- {
- if ($1 != null) {
- Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
- ((MemberCore)$1).GetSignatureForError ());
- }
- }
- | enum_declaration
- {
- if ($1 != null) {
- Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
- ((MemberCore)$1).GetSignatureForError ());
- }
- }
- | interface_declaration
- {
- if ($1 != null) {
- Report.Error (524, GetLocation ($1), "`{0}': Interfaces cannot declare classes, structs, interfaces, delegates, enumerations or constants",
- ((MemberCore)$1).GetSignatureForError ());
- }
- }
- | constant_declaration
- {
- Report.Error (525, GetLocation ($1), "Interfaces cannot contain fields or constants");
- }
- ;
-
-opt_new
- : opt_modifiers
- {
- int val = (int) $1;
- val = Modifiers.Check (Modifiers.NEW | Modifiers.UNSAFE, val, 0, GetLocation ($1));
- $$ = val;
- }
- ;
-
-interface_method_declaration_body
- : OPEN_BRACE
- {
- Report.Error (531, (Location)$1,
- "`{0}.{1}{2}': interface members cannot have a definition",
- current_class.GetSignatureForError (),
- ((MemberName) $-0).GetSignatureForError (),
- ((Parameters)$-4).GetSignatureForError ());
-
- lexer.ConstraintsParsing = false;
- }
- opt_statement_list CLOSE_BRACE
- {
- $$ = null;
- }
- | SEMICOLON
- ;
-
-interface_method_declaration
- : opt_attributes opt_new type namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- {
- lexer.ConstraintsParsing = true;
- }
- opt_type_parameter_constraints_clauses
- {
- // Refer to the name as $-1 in interface_method_declaration_body
- $$ = $4;
- }
- interface_method_declaration_body
- {
- lexer.ConstraintsParsing = false;
-
- MemberName name = (MemberName) $4;
-
- if ($9 != null && name.TypeArguments == null)
- Report.Error (80, lexer.Location,
- "Constraints are not allowed on non-generic declarations");
-
- GenericMethod generic = null;
- if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_class, name,
- (FullNamedExpression) $3, (Parameters) $6);
-
- generic.SetParameterInfo ((ArrayList) $9);
- }
-
- $$ = new Method (current_class, generic, (FullNamedExpression) $3, (int) $2, true, name,
- (Parameters) $6, (Attributes) $1);
- if (RootContext.Documentation != null)
- ((Method) $$).DocComment = Lexer.consume_doc_comment ();
- }
- | opt_attributes opt_new VOID namespace_or_type_name
- OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
- {
- lexer.ConstraintsParsing = true;
- }
- opt_type_parameter_constraints_clauses
- {
- $$ = $4;
- }
- interface_method_declaration_body
- {
- lexer.ConstraintsParsing = false;
-
- MemberName name = (MemberName) $4;
-
- if ($9 != null && name.TypeArguments == null)
- Report.Error (80, lexer.Location,
- "Constraints are not allowed on non-generic declarations");
-
- GenericMethod generic = null;
- if (name.TypeArguments != null) {
- generic = new GenericMethod (current_namespace, current_class, name,
- TypeManager.system_void_expr, (Parameters) $6);
-
- generic.SetParameterInfo ((ArrayList) $9);
- }
-
- $$ = new Method (current_class, generic, TypeManager.system_void_expr, (int) $2,
- true, name, (Parameters) $6, (Attributes) $1);
- if (RootContext.Documentation != null)
- ((Method) $$).DocComment = Lexer.consume_doc_comment ();
- }
- ;
-
-interface_property_declaration
- : opt_attributes
- opt_new
- type IDENTIFIER
- OPEN_BRACE
- {
- lexer.PropertyParsing = true;
- implicit_value_parameter_type = (FullNamedExpression)$3;
- }
- accessor_declarations
- {
- has_get = has_set = false;
- lexer.PropertyParsing = false;
- implicit_value_parameter_type = null;
- }
- CLOSE_BRACE
- {
- LocatedToken lt = (LocatedToken) $4;
- MemberName name = new MemberName (lt.Value, lt.Location);
-
- if ($3 == TypeManager.system_void_expr) {
- Report.Error (547, lt.Location, "`{0}': property or indexer cannot have void type", lt.Value);
- break;
- }
-
- Property p = null;
- if ($7 == null) {
- p = new Property (current_class, (FullNamedExpression) $3, (int) $2, true,
- name, (Attributes) $1,
- null, null, false);
-
- Report.Error (548, p.Location, "`{0}': property or indexer must have at least one accessor", p.GetSignatureForError ());
- break;
- }
-
- Accessors accessor = (Accessors) $7;
- p = new Property (current_class, (FullNamedExpression) $3, (int) $2, true,
- name, (Attributes) $1,
- accessor.get_or_add, accessor.set_or_remove, accessor.declared_in_reverse);
-
- if (accessor.get_or_add != null && accessor.get_or_add.Block != null) {
- Report.Error (531, p.Location, "`{0}.get': interface members cannot have a definition", p.GetSignatureForError ());
- $$ = null;
- break;
- }
-
- if (accessor.set_or_remove != null && accessor.set_or_remove.Block != null) {
- Report.Error (531, p.Location, "`{0}.set': interface members cannot have a definition", p.GetSignatureForError ());
- $$ = null;
- break;
- }
-
- if (RootContext.Documentation != null)
- p.DocComment = Lexer.consume_doc_comment ();
-
- $$ = p;
- }
- | opt_attributes
- opt_new
- type error {
- CheckIdentifierToken (yyToken, GetLocation ($4));
- $$ = null;
- }
- ;
-
-
-interface_event_declaration
- : opt_attributes opt_new EVENT type IDENTIFIER SEMICOLON
- {
- LocatedToken lt = (LocatedToken) $5;
- $$ = new EventField (current_class, (FullNamedExpression) $4, (int) $2, true,
- new MemberName (lt.Value, lt.Location),
- (Attributes) $1);
- if (RootContext.Documentation != null)
- ((EventField) $$).DocComment = Lexer.consume_doc_comment ();
- }
- | opt_attributes opt_new EVENT type error {
- CheckIdentifierToken (yyToken, GetLocation ($5));
- $$ = null;
- }
- | opt_attributes opt_new EVENT type IDENTIFIER ASSIGN {
- LocatedToken lt = (LocatedToken) $5;
- Report.Error (68, lt.Location, "`{0}.{1}': event in interface cannot have initializer", current_container.Name, lt.Value);
- $$ = null;
- }
- | opt_attributes opt_new EVENT type IDENTIFIER OPEN_BRACE
- {
- implicit_value_parameter_type = (FullNamedExpression) $4;
- lexer.EventParsing = true;
- }
- event_accessor_declarations
- {
- lexer.EventParsing = false;
- implicit_value_parameter_type = null;
- }
- CLOSE_BRACE {
- Report.Error (69, (Location) $3, "Event in interface cannot have add or remove accessors");
- $$ = null;
- }
- ;
-
-interface_indexer_declaration
- : opt_attributes opt_new type THIS
- OPEN_BRACKET opt_parameter_list_no_mod CLOSE_BRACKET
- OPEN_BRACE
- {
- lexer.PropertyParsing = true;
- implicit_value_parameter_type = (FullNamedExpression)$3;
- }
- accessor_declarations
- {
- has_get = has_set = false;
- lexer.PropertyParsing = false;
- implicit_value_parameter_type = null;
- }
- CLOSE_BRACE
- {
- Indexer i = null;
- if ($10 == null) {
- i = new Indexer (current_class, (FullNamedExpression) $3,
- new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
- (int) $2, true, (Parameters) $6, (Attributes) $1,
- null, null, false);
-
- Report.Error (548, i.Location, "`{0}': property or indexer must have at least one accessor", i.GetSignatureForError ());
- break;
- }
-
- Accessors accessors = (Accessors) $10;
- i = new Indexer (current_class, (FullNamedExpression) $3,
- new MemberName (TypeContainer.DefaultIndexerName, (Location) $4),
- (int) $2, true, (Parameters) $6, (Attributes) $1,
- accessors.get_or_add, accessors.set_or_remove, accessors.declared_in_reverse);
-
- if (accessors.get_or_add != null && accessors.get_or_add.Block != null) {
- Report.Error (531, i.Location, "`{0}.get': interface members cannot have a definition", i.GetSignatureForError ());
- $$ = null;
- break;
- }
-
- if (accessors.set_or_remove != null && accessors.set_or_remove.Block != null) {
- Report.Error (531, i.Location, "`{0}.set': interface members cannot have a definition", i.GetSignatureForError ());
- $$ = null;
- break;
- }
-
- if (RootContext.Documentation != null)
- i.DocComment = ConsumeStoredComment ();
-
- $$ = i;
- }
- ;
-
-operator_declaration
- : opt_attributes opt_modifiers operator_declarator
- {
- }
- operator_body
- {
- if ($3 == null)
- break;
-
- OperatorDeclaration decl = (OperatorDeclaration) $3;
- Operator op = new Operator (
- current_class, decl.optype, decl.ret_type, (int) $2,
- current_local_parameters,
- (ToplevelBlock) $5, (Attributes) $1, decl.location);
-
- if (RootContext.Documentation != null) {
- op.DocComment = tmpComment;
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- // Note again, checking is done in semantic analysis
- current_container.AddOperator (op);
-
- current_local_parameters = null;
- }
- ;
+ ;
operator_body
: block
| SEMICOLON { $$ = null; }
;
+operator_type
+ : type_expression_or_array
+ | VOID
+ {
+ Report.Error (590, lexer.Location, "User-defined operators cannot return void");
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
+
operator_declarator
- : type OPERATOR overloadable_operator OPEN_PARENS
+ : operator_type OPERATOR overloadable_operator OPEN_PARENS
{
params_modifiers_not_allowed = true;
}
}
| IMPLICIT error
{
- syntax_error ((Location) $1, "'operator' expected");
+ Error_SyntaxError (yyToken);
+ $$ = new OperatorDeclaration (Operator.OpType.Implicit, null, GetLocation ($1));
}
| EXPLICIT error
{
- syntax_error ((Location) $1, "'operator' expected");
+ Error_SyntaxError (yyToken);
+ $$ = new OperatorDeclaration (Operator.OpType.Explicit, null, GetLocation ($1));
}
;
constructor_declaration
- : opt_attributes
- opt_modifiers
- constructor_declarator
+ : constructor_declarator
constructor_body
{
- Constructor c = (Constructor) $3;
- c.Block = (ToplevelBlock) $4;
- c.OptAttributes = (Attributes) $1;
- int mods = (int) $2;
+ Constructor c = (Constructor) $1;
+ c.Block = (ToplevelBlock) $2;
if (RootContext.Documentation != null)
c.DocComment = ConsumeStoredComment ();
- if ((mods & Modifiers.STATIC) != 0 && c.Name == current_container.MemberName.Name) {
- if ((mods & Modifiers.Accessibility) != 0){
- Report.Error (515, c.Location,
- "`{0}': static constructor cannot have an access modifier",
- c.GetSignatureForError ());
- }
-
- if (c.Initializer != null){
- Report.Error (514, c.Location,
- "`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
- c.GetSignatureForError ());
- }
- }
-
- c.ModFlags = Modifiers.Check (Constructor.AllowedModifiers, mods, Modifiers.PRIVATE, c.Location);
current_container.AddConstructor (c);
current_local_parameters = null;
;
constructor_declarator
- : constructor_header
- {
- $$ = $1;
- }
- | constructor_header constructor_initializer
- {
- ((Constructor)$1).Initializer = (ConstructorInitializer) $2;
- $$ = $1;
- }
- ;
-
-constructor_header
- : IDENTIFIER
+ : opt_attributes
+ opt_modifiers
+ IDENTIFIER
{
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
}
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
- LocatedToken lt = (LocatedToken) $1;
- current_local_parameters = (Parameters) $4;
- current_block = new ToplevelBlock (null, current_local_parameters, null, lt.Location);
+ current_local_parameters = (Parameters) $6;
+
+ //
+ // start block here, so possible anonymous methods inside
+ // constructor initializer can get correct parent block
+ //
+ start_block (lexer.Location);
+ }
+ opt_constructor_initializer
+ {
+ LocatedToken lt = (LocatedToken) $3;
+ int mods = (int) $2;
+ ConstructorInitializer ci = (ConstructorInitializer) $9;
- $$ = new Constructor (current_class, lt.Value, 0, current_local_parameters,
- null, lt.Location);
+ Constructor c = new Constructor (current_class, lt.Value, mods,
+ (Attributes) $1, current_local_parameters, ci, lt.Location);
+
+ if (lt.Value != current_container.MemberName.Name) {
+ Report.Error (1520, c.Location, "Class, struct, or interface method must have a return type");
+ } else if ((mods & Modifiers.STATIC) != 0) {
+ if ((mods & Modifiers.Accessibility) != 0){
+ Report.Error (515, c.Location,
+ "`{0}': static constructor cannot have an access modifier",
+ c.GetSignatureForError ());
+ }
+ if (ci != null) {
+ Report.Error (514, c.Location,
+ "`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
+ c.GetSignatureForError ());
+
+ }
+ }
+
+ $$ = c;
}
;
| SEMICOLON { current_block = null; $$ = null; }
;
+opt_constructor_initializer
+ : /* Empty */
+ | constructor_initializer
+ ;
+
constructor_initializer
- : COLON BASE OPEN_PARENS opt_argument_list CLOSE_PARENS
+ : COLON BASE OPEN_PARENS
{
- $$ = new ConstructorBaseInitializer ((ArrayList) $4, (Location) $2);
+ ++lexer.parsing_block;
}
- | COLON THIS OPEN_PARENS opt_argument_list CLOSE_PARENS
+ opt_argument_list CLOSE_PARENS
{
- $$ = new ConstructorThisInitializer ((ArrayList) $4, (Location) $2);
+ --lexer.parsing_block;
+ $$ = new ConstructorBaseInitializer ((ArrayList) $5, (Location) $2);
+ }
+ | COLON THIS OPEN_PARENS
+ {
+ ++lexer.parsing_block;
+ }
+ opt_argument_list CLOSE_PARENS
+ {
+ --lexer.parsing_block;
+ $$ = new ConstructorThisInitializer ((ArrayList) $5, (Location) $2);
}
| COLON error {
Report.Error (1018, (Location) $1, "Keyword this or base expected");
}
;
-opt_finalizer
- : /* EMPTY */ { $$ = 0; }
- | UNSAFE { $$ = Modifiers.UNSAFE; }
- | EXTERN { $$ = Modifiers.EXTERN; }
- ;
-
destructor_declaration
- : opt_attributes opt_finalizer TILDE
+ : opt_attributes opt_modifiers TILDE
{
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
} else if (current_container.Kind != Kind.Class){
Report.Error (575, lt.Location, "Only class types can contain destructor");
} else {
- Location l = lt.Location;
-
- int m = (int) $2;
- if (!RootContext.StdLib && current_container.Name == "System.Object")
- m |= Modifiers.PROTECTED | Modifiers.VIRTUAL;
- else
- m |= Modifiers.PROTECTED | Modifiers.OVERRIDE;
-
Method d = new Destructor (
- current_class, TypeManager.system_void_expr, m, "Finalize",
- Parameters.EmptyReadOnlyParameters, (Attributes) $1, l);
+ current_class, TypeManager.system_void_expr, (int) $2, "Finalize",
+ Parameters.EmptyReadOnlyParameters, (Attributes) $1, lt.Location);
if (RootContext.Documentation != null)
d.DocComment = ConsumeStoredComment ();
EVENT type variable_declarators SEMICOLON
{
current_array_type = null;
- foreach (VariableDeclaration var in (ArrayList) $5) {
-
- MemberName name = new MemberName (var.identifier,
- var.Location);
+ foreach (VariableMemberDeclaration var in (ArrayList) $5) {
EventField e = new EventField (
- current_class, (FullNamedExpression) $4, (int) $2, false, name,
- (Attributes) $1);
+ current_class, (FullNamedExpression) $4, (int) $2, var.MemberName, (Attributes) $1);
+
+ if (var.expression_or_array_initializer != null) {
+ if (current_container.Kind == Kind.Interface) {
+ Report.Error (68, e.Location, "`{0}': event in interface cannot have initializer", e.GetSignatureForError ());
+ }
- e.Initializer = var.expression_or_array_initializer;
+ e.Initializer = var.expression_or_array_initializer;
+ }
+
+ 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);
}
| opt_attributes
opt_modifiers
- EVENT type namespace_or_type_name
+ EVENT type member_declaration_name
OPEN_BRACE
{
implicit_value_parameter_type = (FullNamedExpression) $4;
+ current_local_parameters = new Parameters (
+ new Parameter (implicit_value_parameter_type, "value",
+ Parameter.Modifier.NONE, null, GetLocation ($3)));
+
lexer.EventParsing = true;
}
event_accessor_declarations
CLOSE_BRACE
{
MemberName name = (MemberName) $5;
+
+ if (current_container.Kind == Kind.Interface) {
+ Report.Error (69, (Location) $3, "Event in interface cannot have add or remove accessors");
+ }
if ($8 == null){
Report.Error (65, (Location) $3, "`{0}.{1}': event property must have both add and remove accessors",
} else {
Accessors accessors = (Accessors) $8;
- if (name.TypeArguments != null)
- syntax_error (lexer.Location, "an event can't have type arguments");
-
if (accessors.get_or_add == null || accessors.set_or_remove == null)
// CS0073 is already reported, so no CS0065 here.
$$ = null;
else {
Event e = new EventProperty (
- current_class, (FullNamedExpression) $4, (int) $2, false, name,
+ current_class, (FullNamedExpression) $4, (int) $2, name,
(Attributes) $1, accessors.get_or_add, accessors.set_or_remove);
if (RootContext.Documentation != null) {
e.DocComment = Lexer.consume_doc_comment ();
implicit_value_parameter_type = null;
}
}
+ current_local_parameters = null;
}
- | opt_attributes opt_modifiers EVENT type namespace_or_type_name error {
+ | opt_attributes opt_modifiers EVENT type member_declaration_name error
+ {
MemberName mn = (MemberName) $5;
-
if (mn.Left != null)
Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");
- else
- Report.Error (71, mn.Location, "Event declaration should use property syntax");
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
+
+ Error_SyntaxError (yyToken);
+ $$ = null;
}
;
;
add_accessor_declaration
- : opt_attributes ADD
- {
- Parameter [] args = new Parameter [1];
- Parameter implicit_value_parameter = new Parameter (
- implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null, (Location) $2);
-
- args [0] = implicit_value_parameter;
-
- current_local_parameters = new Parameters (args);
+ : opt_attributes ADD
+ {
lexer.EventParsing = false;
}
block
{
- Accessor accessor = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
+ Accessor accessor = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, null, (Location) $2);
lexer.EventParsing = true;
-
- current_local_parameters = null;
$$ = accessor;
}
| opt_attributes ADD error {
remove_accessor_declaration
: opt_attributes REMOVE
{
- Parameter [] args = new Parameter [1];
- Parameter implicit_value_parameter = new Parameter (
- implicit_value_parameter_type, "value",
- Parameter.Modifier.NONE, null, (Location) $2);
-
- args [0] = implicit_value_parameter;
-
- current_local_parameters = new Parameters (args);
lexer.EventParsing = false;
}
block
{
- $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, (Location) $2);
+ $$ = new Accessor ((ToplevelBlock) $4, 0, (Attributes) $1, null, (Location) $2);
lexer.EventParsing = true;
- current_local_parameters = null;
}
| opt_attributes REMOVE error {
Report.Error (73, (Location) $2, "An add or remove accessor must have a body");
;
indexer_declaration
- : opt_attributes opt_modifiers indexer_declarator
+ : opt_attributes opt_modifiers
+ member_type indexer_declaration_name OPEN_BRACKET opt_parameter_list_no_mod CLOSE_BRACKET
OPEN_BRACE
{
- IndexerDeclaration decl = (IndexerDeclaration) $3;
-
- implicit_value_parameter_type = decl.type;
+ implicit_value_parameter_type = (FullNamedExpression) $3;
+ indexer_parameters = (Parameters) $6;
+ if (indexer_parameters.IsEmpty)
+ Report.Error (1551, GetLocation ($5), "Indexers must have at least one parameter");
+
+ if (RootContext.Documentation != null) {
+ tmpComment = Lexer.consume_doc_comment ();
+ Lexer.doc_state = XmlCommentState.Allowed;
+ }
+
lexer.PropertyParsing = true;
parsing_indexer = true;
- indexer_parameters = decl.param_list;
}
- accessor_declarations
+ accessor_declarations
{
lexer.PropertyParsing = false;
has_get = has_set = false;
}
CLOSE_BRACE
{
- if ($6 == null)
- break;
+ Accessors accessors = (Accessors) $10;
+ Accessor get_block = accessors != null ? accessors.get_or_add : null;
+ Accessor set_block = accessors != null ? accessors.set_or_remove : null;
+ 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,
+ get_block, set_block, order);
+
+ if ($3 == TypeManager.system_void_expr)
+ Report.Error (620, GetLocation ($3), "`{0}': indexer return type cannot be `void'", indexer.GetSignatureForError ());
+
+ if (accessors == null)
+ Report.Error (548, indexer.Location, "`{0}': property or indexer must have at least one accessor", indexer.GetSignatureForError ());
- // The signature is computed from the signature of the indexer. Look
- // at section 3.6 on the spec
- Indexer indexer;
- IndexerDeclaration decl = (IndexerDeclaration) $3;
- Location loc = decl.location;
- Accessors accessors = (Accessors) $6;
- Accessor get_block = accessors.get_or_add;
- Accessor set_block = accessors.set_or_remove;
-
- MemberName name;
- if (decl.interface_type != null)
- name = new MemberName (decl.interface_type, TypeContainer.DefaultIndexerName, loc);
- else
- name = new MemberName (TypeContainer.DefaultIndexerName, loc);
+ if (current_container.Kind == Kind.Interface) {
+ if (indexer.Get.Block != null)
+ Report.Error (531, indexer.Location, "`{0}.get': interface members cannot have a definition", indexer.GetSignatureForError ());
- indexer = new Indexer (current_class, decl.type, name,
- (int) $2, false, decl.param_list, (Attributes) $1,
- get_block, set_block, accessors.declared_in_reverse);
+ if (indexer.Set.Block != null)
+ Report.Error (531, indexer.Location, "`{0}.set': interface members cannot have a definition", indexer.GetSignatureForError ());
+ }
if (RootContext.Documentation != null)
indexer.DocComment = ConsumeStoredComment ();
}
;
-indexer_declarator
- : type THIS OPEN_BRACKET opt_parameter_list_no_mod CLOSE_BRACKET
- {
- Parameters pars = (Parameters) $4;
- if (pars.Empty){
- Report.Error (1551, (Location) $2, "Indexers must have at least one parameter");
- }
- if (RootContext.Documentation != null) {
- tmpComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
-
- $$ = new IndexerDeclaration ((FullNamedExpression) $1, null, pars, (Location) $2);
- }
- | type namespace_or_type_name DOT THIS OPEN_BRACKET opt_formal_parameter_list CLOSE_BRACKET
- {
- Parameters pars = (Parameters) $6;
- if (pars.Empty){
- Report.Error (1551, (Location) $4, "Indexers must have at least one parameter");
- }
-
- MemberName name = (MemberName) $2;
- $$ = new IndexerDeclaration ((FullNamedExpression) $1, name, pars, (Location) $4);
-
- if (RootContext.Documentation != null) {
- tmpComment = Lexer.consume_doc_comment ();
- Lexer.doc_state = XmlCommentState.Allowed;
- }
- }
- ;
-
enum_declaration
: opt_attributes
opt_modifiers
- ENUM IDENTIFIER
+ ENUM type_declaration_name
opt_enum_base {
if (RootContext.Documentation != null)
enumTypeComment = Lexer.consume_doc_comment ();
enum_body
opt_semicolon
{
- LocatedToken lt = (LocatedToken) $4;
- Location enum_location = lt.Location;
+ MemberName name = (MemberName) $4;
+ if (name.IsGeneric) {
+ Report.Error (1675, name.Location, "Enums cannot have type parameters");
+ }
- MemberName name = MakeName (new MemberName (lt.Value, enum_location));
- Enum e = new Enum (current_namespace, current_class, (FullNamedExpression) $5, (int) $2,
+ name = MakeName (name);
+ Enum e = new Enum (current_namespace, current_class, (TypeExpr) $5, (int) $2,
name, (Attributes) $1);
if (RootContext.Documentation != null)
e.AddEnumMember (em);
}
+ if (RootContext.EvalMode)
+ undo.AddTypeContainer (current_container, e);
current_container.AddTypeContainer (e);
+
$$ = e;
}
opt_enum_base
: /* empty */ { $$ = TypeManager.system_int32_expr; }
- | COLON type { $$ = $2; }
+ | COLON type
+ {
+ if ($2 != TypeManager.system_int32_expr && $2 != TypeManager.system_uint32_expr &&
+ $2 != TypeManager.system_int64_expr && $2 != TypeManager.system_uint64_expr &&
+ $2 != TypeManager.system_int16_expr && $2 != TypeManager.system_uint16_expr &&
+ $2 != TypeManager.system_byte_expr && $2 != TypeManager.system_sbyte_expr)
+ Enum.Error_1008 (GetLocation ($2));
+
+ $$ = $2;
+ }
+ | COLON error
+ {
+ Error_TypeExpected (lexer.Location);
+ }
;
enum_body
}
| opt_attributes IDENTIFIER
{
+ ++lexer.parsing_block;
if (RootContext.Documentation != null) {
tmpComment = Lexer.consume_doc_comment ();
Lexer.doc_state = XmlCommentState.NotAllowed;
}
}
- ASSIGN expression
+ ASSIGN constant_expression
{
+ --lexer.parsing_block;
VariableDeclaration vd = new VariableDeclaration (
(LocatedToken) $2, $5, (Attributes) $1);
: opt_attributes
opt_modifiers
DELEGATE
- type type_name
+ member_type type_declaration_name
OPEN_PARENS opt_formal_parameter_list CLOSE_PARENS
{
MemberName name = MakeName ((MemberName) $5);
opt_nullable
: /* empty */
{
- lexer.CheckNullable (false);
- $$ = false;
+ $$ = null;
}
- | INTERR
+ | INTERR_NULLABLE
{
- // FIXME: A hack with parsing conditional operator as nullable type
- //if (RootContext.Version < LanguageVersion.ISO_2)
- // Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
-
- lexer.CheckNullable (true);
- $$ = true;
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
+
+ $$ = this;
}
;
namespace_or_type_name
- : IDENTIFIER opt_type_argument_list
+ : member_name
+ | qualified_alias_member IDENTIFIER opt_type_argument_list
{
- LocatedToken lt = (LocatedToken) $1;
- $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
- }
- | IDENTIFIER DOUBLE_COLON IDENTIFIER opt_type_argument_list {
LocatedToken lt1 = (LocatedToken) $1;
- LocatedToken lt2 = (LocatedToken) $3;
- if (RootContext.Version == LanguageVersion.ISO_1)
- Report.FeatureIsNotAvailable (lt1.Location, "namespace alias qualifier");
+ LocatedToken lt2 = (LocatedToken) $2;
- $$ = new MemberName (lt1.Value, lt2.Value, (TypeArguments) $4, lt1.Location);
- }
- | namespace_or_type_name DOT IDENTIFIER opt_type_argument_list {
- LocatedToken lt = (LocatedToken) $3;
- $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $4, lt.Location);
+ $$ = new MemberName (lt1.Value, lt2.Value, (TypeArguments) $3, lt1.Location);
}
;
member_name
- : IDENTIFIER opt_type_parameter_list
- {
- LocatedToken lt = (LocatedToken) $1;
- $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
- }
- | namespace_or_type_name DOT IDENTIFIER opt_type_parameter_list
+ : type_name
+ | namespace_or_type_name DOT IDENTIFIER opt_type_argument_list
{
LocatedToken lt = (LocatedToken) $3;
$$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $4, lt.Location);
;
type_name
- : IDENTIFIER opt_type_parameter_list
+ : IDENTIFIER opt_type_argument_list
{
LocatedToken lt = (LocatedToken) $1;
$$ = new MemberName (lt.Value, (TypeArguments)$2, lt.Location);
}
;
-
+
//
// Generics arguments (any type, without attributes)
//
-
opt_type_argument_list
: /* empty */ { $$ = null; }
| OP_GENERICS_LT type_arguments OP_GENERICS_GT
$$ = $2;
}
+ | OP_GENERICS_LT error
+ {
+ Error_TypeExpected (lexer.Location);
+ $$ = new TypeArguments (lexer.Location);
+ }
+ ;
+
+type_arguments
+ : type
+ {
+ TypeArguments type_args = new TypeArguments (lexer.Location);
+ type_args.Add ((Expression) $1);
+ $$ = type_args;
+ }
+ | type_arguments COMMA type
+ {
+ TypeArguments type_args = (TypeArguments) $1;
+ type_args.Add ((Expression) $3);
+ $$ = type_args;
+ }
;
//
-// Generics parameters (identifiers only, with attributes), used in type, method declarations
+// Generics parameters (identifiers only, with attributes), used in type or method declarations
//
+type_declaration_name
+ : IDENTIFIER
+ {
+ lexer.parsing_generic_declaration = true;
+ }
+ opt_type_parameter_list
+ {
+ lexer.parsing_generic_declaration = false;
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments)$3, lt.Location);
+ }
+ ;
+
+member_declaration_name
+ : method_declaration_name
+ {
+ MemberName mn = (MemberName)$1;
+ if (mn.TypeArguments != null)
+ syntax_error (mn.Location, string.Format ("Member `{0}' cannot declare type arguments",
+ mn.GetSignatureForError ()));
+ }
+ ;
+
+method_declaration_name
+ : type_declaration_name
+ | explicit_interface IDENTIFIER opt_type_parameter_list
+ {
+ lexer.parsing_generic_declaration = false;
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $3, lt.Location);
+ }
+ ;
+
+indexer_declaration_name
+ : THIS
+ {
+ lexer.parsing_generic_declaration = false;
+ $$ = new MemberName (TypeContainer.DefaultIndexerName, GetLocation ($1));
+ }
+ | explicit_interface THIS
+ {
+ lexer.parsing_generic_declaration = false;
+ $$ = new MemberName ((MemberName) $1, TypeContainer.DefaultIndexerName, null, GetLocation ($1));
+ }
+ ;
+explicit_interface
+ : IDENTIFIER opt_type_argument_list DOT
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new MemberName (lt.Value, (TypeArguments) $2, lt.Location);
+ }
+ | qualified_alias_member IDENTIFIER opt_type_argument_list DOT
+ {
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $2;
+
+ $$ = new MemberName (lt1.Value, lt2.Value, (TypeArguments) $3, lt1.Location);
+ }
+ | explicit_interface IDENTIFIER opt_type_argument_list DOT
+ {
+ LocatedToken lt = (LocatedToken) $2;
+ $$ = new MemberName ((MemberName) $1, lt.Value, (TypeArguments) $3, lt.Location);
+ }
+ ;
+
opt_type_parameter_list
: /* empty */ { $$ = null; }
- | OP_GENERICS_LT type_arguments OP_GENERICS_GT
+ | OP_GENERICS_LT_DECL type_parameters OP_GENERICS_GT
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "generics");
}
;
-type_arguments
- : type_argument
+type_parameters
+ : type_parameter
{
TypeArguments type_args = new TypeArguments (lexer.Location);
- type_args.Add ((Expression) $1);
+ type_args.Add ((Expression)$1);
$$ = type_args;
}
- | type_arguments COMMA type_argument
+ | type_parameters COMMA type_parameter
{
TypeArguments type_args = (TypeArguments) $1;
- type_args.Add ((Expression) $3);
+ type_args.Add ((Expression)$3);
$$ = type_args;
}
;
-type_argument
- : type
+type_parameter
+ : opt_attributes IDENTIFIER
{
- $$ = $1;
+ LocatedToken lt = (LocatedToken)$2;
+ $$ = new TypeParameterName (lt.Value, (Attributes)$1, lt.Location);
}
- | attribute_sections type
+ | error
{
- SimpleName sn = $2 as SimpleName;
- if (sn == null)
- Error_TypeExpected (GetLocation ($2));
+ if (GetTokenName (yyToken) == "type")
+ Report.Error (81, GetLocation ($1), "Type parameter declaration must be an identifier not a type");
else
- $2 = new TypeParameterName (sn.Name, (Attributes) $1, lexer.Location);
- $$ = $2;
+ Error_SyntaxError (yyToken);
+
+ $$ = new TypeParameterName ("", null, lexer.Location);
}
;
+
+//
+// All types where void is allowed
+//
+type_and_void
+ : type_expression_or_array
+ | VOID
+ {
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
-/*
- * Before you think of adding a return_type, notice that we have been
- * using two rules in the places where it matters (one rule using type
- * and another identical one that uses VOID as the return type). This
- * gets rid of a shift/reduce couple
- */
+member_type
+ : type_and_void
+ {
+ lexer.parsing_generic_declaration = true;
+ }
+ ;
+
+//
+// A type which does not allow `void' to be used
+//
type
+ : type_expression_or_array
+ | VOID
+ {
+ Expression.Error_VoidInvalidInTheContext (lexer.Location);
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
+
+simple_type
+ : type_expression
+ | VOID
+ {
+ Expression.Error_VoidInvalidInTheContext (lexer.Location);
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
+
+type_expression_or_array
+ : type_expression
+ | type_expression rank_specifiers
+ {
+ string rank_specifiers = (string) $2;
+ $$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, rank_specifiers);
+ }
+ ;
+
+type_expression
: namespace_or_type_name opt_nullable
{
MemberName name = (MemberName) $1;
- if ((bool) $2) {
+ if ($2 != null) {
$$ = new ComposedCast (name.GetTypeExpression (), "?", lexer.Location);
} else {
- if (RootContext.Version > LanguageVersion.ISO_2 && name.Left == null && name.Name == "var")
- $$ = new VarExpr (name.Location);
+ if (name.Left == null && name.Name == "var" &&
+ (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
+ $$ = current_array_type = new VarExpr (name.Location);
else
$$ = name.GetTypeExpression ();
}
}
| builtin_types opt_nullable
{
- if ((bool) $2)
+ if ($2 != null)
$$ = new ComposedCast ((FullNamedExpression) $1, "?", lexer.Location);
}
- | array_type
- | pointer_type
- ;
-
-pointer_type
- : type STAR
+ | type_expression STAR
{
//
// Note that here only unmanaged types are allowed but we
| VOID STAR
{
$$ = new ComposedCast (TypeManager.system_void_expr, "*", (Location) $1);
- }
- ;
-
-non_expression_type
- : builtin_types opt_nullable
- {
- if ((bool) $2)
- $$ = new ComposedCast ((FullNamedExpression) $1, "?", lexer.Location);
- }
- | non_expression_type rank_specifier
- {
- Location loc = GetLocation ($1);
- if (loc.IsNull)
- loc = lexer.Location;
- $$ = 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
Report.Error (1521, GetLocation ($1), "Invalid base type `{0}'", ((ComposedCast)$1).GetSignatureForError ());
$$ = $1;
}
+ | error
+ {
+ Error_TypeExpected (lexer.Location);
+ }
;
/*
* replaces all the productions for isolating the various
- * simple types, but we need this to reuse it easily in local_variable_type
+ * simple types, but we need this to reuse it easily in variable_type
*/
builtin_types
: OBJECT { $$ = TypeManager.system_object_expr; }
| LONG { $$ = TypeManager.system_int64_expr; }
| ULONG { $$ = TypeManager.system_uint64_expr; }
| CHAR { $$ = TypeManager.system_char_expr; }
- | VOID { $$ = TypeManager.system_void_expr; }
;
-array_type
- : type rank_specifiers
+predefined_type
+ : builtin_types
+ | VOID
{
- string rank_specifiers = (string) $2;
- $$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, rank_specifiers);
+ $$ = TypeManager.system_void_expr;
}
;
//
// Expressions, section 7.5
//
+
+
primary_expression
+ : primary_expression_no_array_creation
+ | array_creation_expression
+ ;
+
+primary_expression_no_array_creation
: literal
+ | IDENTIFIER opt_type_argument_list
{
- // 7.5.1: Literals
- }
- | type_name
- {
- MemberName mn = (MemberName) $1;
- $$ = mn.GetTypeExpression ();
- }
- | IDENTIFIER DOUBLE_COLON IDENTIFIER opt_type_argument_list
- {
- LocatedToken lt1 = (LocatedToken) $1;
- LocatedToken lt2 = (LocatedToken) $3;
- if (RootContext.Version == LanguageVersion.ISO_1)
- Report.FeatureIsNotAvailable (lt1.Location, "namespace alias qualifier");
-
- $$ = new QualifiedAliasMember (lt1.Value, lt2.Value, (TypeArguments) $4, lt1.Location);
+ LocatedToken lt = (LocatedToken) $1;
+ $$ = new SimpleName (MemberName.MakeName (lt.Value, (TypeArguments)$2), (TypeArguments)$2, lt.Location);
}
| parenthesized_expression
| default_value_expression
| base_access
| post_increment_expression
| post_decrement_expression
- | new_expression
+ | object_or_delegate_creation_expression
+ | anonymous_type_expression
| typeof_expression
| sizeof_expression
| checked_expression
| FALSE { $$ = 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
- {
- $$ = $1;
- }
- | parenthesized_expression_0 CLOSE_PARENS
- {
- $$ = $1;
- }
- | parenthesized_expression_0 CLOSE_PARENS_MINUS
+ : OPEN_PARENS expression CLOSE_PARENS
{
- // 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
{
// TODO: Location is wrong as some predefined types doesn't hold a location
$$ = new MemberAccess ((Expression) $1, lt.Value, (TypeArguments) $4, lt.Location);
}
- ;
+ | qualified_alias_member IDENTIFIER opt_type_argument_list
+ {
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $2;
-predefined_type
- : builtin_types
+ $$ = 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 ());
- }
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS primary_expression
- {
- $$ = new InvocationOrCast ((Expression) $1, (Expression) $3);
- }
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS non_simple_argument CLOSE_PARENS
- {
- ArrayList args = new ArrayList (1);
- args.Add ($4);
- $$ = new Invocation ((Expression) $1, args);
- }
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS OPEN_PARENS argument_list COMMA argument CLOSE_PARENS
+ : 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);
}
;
list.Add ($3);
$$ = list;
}
- | argument_list error {
- CheckToken (1026, yyToken, "Expected `,' or `)'", GetLocation ($2));
- $$ = null;
+ | argument_list COMMA
+ {
+ Report.Error (839, GetLocation ($2), "An argument is missing");
+ $$ = null;
+ }
+ | COMMA argument
+ {
+ Report.Error (839, GetLocation ($1), "An argument is missing");
+ $$ = null;
}
;
{
$$ = new Argument ((Expression) $2, Argument.AType.Out);
}
- | ARGLIST OPEN_PARENS argument_list CLOSE_PARENS
+ | ARGLIST open_parens_any argument_list CLOSE_PARENS
{
ArrayList list = (ArrayList) $3;
Argument[] args = new Argument [list.Count];
Expression expr = new Arglist (args, (Location) $1);
$$ = new Argument (expr, Argument.AType.Expression);
}
- | ARGLIST OPEN_PARENS CLOSE_PARENS
+ | ARGLIST open_parens_any CLOSE_PARENS
{
$$ = new Argument (new Arglist ((Location) $1), Argument.AType.Expression);
}
;
element_access
- : primary_expression OPEN_BRACKET expression_list CLOSE_BRACKET
+ : primary_expression_no_array_creation OPEN_BRACKET expression_list CLOSE_BRACKET
{
$$ = new ElementAccess ((Expression) $1, (ArrayList) $3);
}
- | primary_expression rank_specifiers
+ | array_creation_expression OPEN_BRACKET expression_list CLOSE_BRACKET
+ {
+ // LAMESPEC: Not allowed according to specification
+ $$ = new ElementAccess ((Expression) $1, (ArrayList) $3);
+ }
+ | primary_expression_no_array_creation rank_specifiers
{
// So the super-trick is that primary_expression
// can only be either a SimpleName or a MemberAccess.
post_increment_expression
: primary_expression OP_INC
{
- $$ = 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);
+ $$ = new UnaryMutator (UnaryMutator.Mode.PostDecrement, (Expression) $1);
}
;
-new_expression
- : object_or_delegate_creation_expression
- | array_creation_expression
- | anonymous_type_expression
- ;
-
object_or_delegate_creation_expression
- : NEW type OPEN_PARENS opt_argument_list CLOSE_PARENS opt_object_or_collection_initializer
+ : NEW simple_type open_parens_any opt_argument_list CLOSE_PARENS opt_object_or_collection_initializer
{
if ($6 != null) {
if (RootContext.Version <= LanguageVersion.ISO_2)
else
$$ = new New ((Expression) $2, (ArrayList) $4, (Location) $1);
}
- | NEW type object_or_collection_initializer
+ | NEW simple_type object_or_collection_initializer
{
if (RootContext.Version <= LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation ($1), "collection initializers");
}
;
+
array_creation_expression
- : NEW type OPEN_BRACKET expression_list CLOSE_BRACKET
- opt_rank_specifier
+ : NEW simple_type OPEN_BRACKET expression_list CLOSE_BRACKET
+ opt_rank_specifier // shift/reduce on OPEN_BRACE
opt_array_initializer
{
$$ = new ArrayCreation ((FullNamedExpression) $2, (ArrayList) $4, (string) $6, (ArrayList) $7, (Location) $1);
}
- | NEW type rank_specifiers array_initializer
+ | NEW simple_type rank_specifiers opt_array_initializer
{
+ if ($4 == null)
+ Report.Error (1586, GetLocation ($1), "Array creation must have array size or array initializer");
+
$$ = new ArrayCreation ((FullNamedExpression) $2, (string) $3, (ArrayList) $4, (Location) $1);
}
| NEW rank_specifiers array_initializer
{
$$ = new ImplicitlyTypedArrayCreation ((string) $2, (ArrayList) $3, (Location) $1);
}
- | NEW error
- {
- Report.Error (1031, (Location) $1, "Type expected");
- $$ = null;
- }
- | NEW type error
+ | NEW simple_type error
{
Report.Error (1526, (Location) $1, "A new expression requires () or [] after type");
$$ = null;
opt_rank_specifier
: /* empty */
{
- $$ = "";
+ $$ = "";
}
| rank_specifiers
{
- $$ = $1;
+ $$ = $1;
}
;
opt_rank_specifier_or_nullable
- : /* empty */
- {
- $$ = string.Empty;
- }
- | INTERR
+ : opt_nullable
{
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
-
- $$ = "?";
+ if ($1 != null)
+ $$ = "?";
+ else
+ $$ = string.Empty;
}
| opt_nullable rank_specifiers
{
- if ((bool) $1)
- $$ = "?" + $2;
+ if ($1 != null)
+ $$ = "?" + (string) $2;
else
$$ = $2;
}
;
rank_specifiers
- : rank_specifier opt_rank_specifier
+ : rank_specifier
+ | rank_specifier rank_specifiers
{
- $$ = (string) $2 + (string) $1;
+ $$ = (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
{
$$ = null;
}
- | array_initializer
+ | array_initializer
{
$$ = $1;
}
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
+ : type_and_void
{
$$ = $1;
}
{
$$ = new UnboundTypeExpression ((MemberName)$1, lexer.Location);
}
+ | error
+ {
+ Error_TypeExpected (lexer.Location);
+ $$ = null;
+ }
;
unbound_type_name
- : IDENTIFIER GENERIC_DIMENSION
- {
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (lexer.Location, "generics");
-
+ : IDENTIFIER generic_dimension
+ {
LocatedToken lt = (LocatedToken) $1;
- TypeArguments ta = new TypeArguments ((int)$2, lt.Location);
+ TypeArguments ta = (TypeArguments)$2;
$$ = new MemberName (lt.Value, ta, lt.Location);
}
- | IDENTIFIER DOUBLE_COLON IDENTIFIER GENERIC_DIMENSION
+ | qualified_alias_member IDENTIFIER generic_dimension
{
- LocatedToken lt = (LocatedToken) $1;
- MemberName left = new MemberName (lt.Value, lt.Location);
- lt = (LocatedToken) $3;
- TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
-
- if (RootContext.Version == LanguageVersion.ISO_1)
- Report.FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");
-
- $$ = new MemberName (left, lt.Value, ta, lt.Location);
+ LocatedToken lt1 = (LocatedToken) $1;
+ LocatedToken lt2 = (LocatedToken) $2;
+ TypeArguments ta = (TypeArguments)$3;
+
+ $$ = new MemberName (new MemberName (lt1.Value, lt1.Location), lt2.Value, ta, lt2.Location);
}
- | unbound_type_name DOT IDENTIFIER GENERIC_DIMENSION
+ | unbound_type_name DOT IDENTIFIER generic_dimension
{
LocatedToken lt = (LocatedToken) $3;
- TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
+ TypeArguments ta = (TypeArguments)$4;
$$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
}
- | namespace_or_type_name DOT IDENTIFIER GENERIC_DIMENSION
+ | namespace_or_type_name DOT IDENTIFIER generic_dimension
{
LocatedToken lt = (LocatedToken) $3;
- TypeArguments ta = new TypeArguments ((int)$4, lt.Location);
+ TypeArguments ta = (TypeArguments)$4;
- $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
+ $$ = new MemberName ((MemberName)$1, lt.Value, ta, lt.Location);
+ }
+ ;
+
+generic_dimension
+ : GENERIC_DIMENSION
+ {
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (lexer.Location, "generics");
+
+ $$ = new TypeArguments ((int)$1, lexer.Location);
}
;
+
+qualified_alias_member
+ : IDENTIFIER DOUBLE_COLON
+ {
+ LocatedToken lt = (LocatedToken) $1;
+ if (RootContext.Version == LanguageVersion.ISO_1)
+ Report.FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");
+ $$ = lt;
+ }
+ ;
sizeof_expression
- : SIZEOF OPEN_PARENS type CLOSE_PARENS {
+ : SIZEOF open_parens_any type CLOSE_PARENS {
$$ = 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);
}
}
block
{
- $$ = end_anonymous ((ToplevelBlock) $4, (Location) $1);
+ $$ = end_anonymous ((ToplevelBlock) $4);
}
;
;
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
- {
- $$ = new Cast ((Expression) $1, (Expression) $3);
- }
- | parenthesized_expression_0 CLOSE_PARENS_NO_CAST default_value_expression
+cast_expression
+ : OPEN_PARENS_CAST type CLOSE_PARENS prefixed_unary_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3);
+ $$ = new Cast ((Expression) $2, (Expression) $4, GetLocation ($1));
}
- | parenthesized_expression_0 CLOSE_PARENS_OPEN_PARENS cast_expression
+ | OPEN_PARENS predefined_type CLOSE_PARENS prefixed_unary_expression
{
- $$ = new Cast ((Expression) $1, (Expression) $3);
- }
- ;
-
-cast_expression
- : cast_list
- | OPEN_PARENS non_expression_type CLOSE_PARENS prefixed_unary_expression
- {
- // TODO: wrong location
- $$ = new Cast ((Expression) $2, (Expression) $4, lexer.Location);
+ $$ = new Cast ((Expression) $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);
}
+ | additive_expression IS type
+ {
+ $$ = new Is ((Expression) $1, (Expression) $3, (Location) $2);
+ }
;
shift_expression
}
;
-opt_error
- : /* empty */
- {
- $$ = false;
- }
- | error
- {
- lexer.PutbackNullable ();
- $$ = true;
- }
- ;
-
-nullable_type_or_conditional
- : type opt_error
- {
- if (((bool) $2) && ($1 is ComposedCast))
- $$ = ((ComposedCast) $1).RemoveNullable ();
- else
- $$ = $1;
- }
- ;
-
relational_expression
: shift_expression
| relational_expression OP_LT shift_expression
$$ = new Binary (Binary.Operator.GreaterThanOrEqual,
(Expression) $1, (Expression) $3);
}
- | relational_expression IS
- {
- yyErrorFlag = 3;
- } nullable_type_or_conditional
- {
- $$ = new Is ((Expression) $1, (Expression) $4, (Location) $2);
- }
- | relational_expression AS
- {
- yyErrorFlag = 3;
- } nullable_type_or_conditional
- {
- $$ = new As ((Expression) $1, (Expression) $4, (Location) $2);
- }
;
equality_expression
$$ = new Nullable.NullCoalescingOperator ((Expression) $1, (Expression) $3, lexer.Location);
}
- // We'll be resolved into a `parenthesized_expression_0' later on.
- | conditional_or_expression INTERR CLOSE_PARENS
+ | primary_expression INTERR_NULLABLE opt_rank_specifier
{
- $$ = new ComposedCast ((FullNamedExpression) $1, "?", lexer.Location);
- lexer.PutbackCloseParens ();
+ //
+ // TODO: Is this the best place to handle `= (foo?)a;' ?
+ //
+ if (RootContext.Version < LanguageVersion.ISO_2)
+ Report.FeatureIsNotAvailable (GetLocation ($1), "nullable types");
+
+ $$ = new ComposedCast ((FullNamedExpression) $1, "?" + (string)$3, lexer.Location);
}
;
{
LocatedToken lt = (LocatedToken) $1;
Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
- start_anonymous (true, new Parameters (p), (Location) $2);
+ start_anonymous (true, new Parameters (p), GetLocation ($1));
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $4, (Location) $2);
+ $$ = end_anonymous ((ToplevelBlock) $4);
}
| OPEN_PARENS_LAMBDA opt_lambda_parameter_list CLOSE_PARENS ARROW
{
- start_anonymous (true, (Parameters) $2, (Location) $4);
+ start_anonymous (true, (Parameters) $2, GetLocation ($1));
}
lambda_expression_body
{
- $$ = end_anonymous ((ToplevelBlock) $6, (Location) $4);
+ $$ = end_anonymous ((ToplevelBlock) $6);
}
;
{
lexer.ConstraintsParsing = true;
}
- type_name
+ type_declaration_name
{
MemberName name = MakeName ((MemberName) $6);
push_current_class (new Class (current_namespace, current_class, name, (int) $2, (Attributes) $1), $3);
}
class_body
{
+ --lexer.parsing_declaration;
if (RootContext.Documentation != null)
Lexer.doc_state = XmlCommentState.Allowed;
}
;
modifier
- : NEW { $$ = Modifiers.NEW; }
+ : NEW
+ {
+ $$ = Modifiers.NEW;
+ if (current_container == RootContext.ToplevelTypes)
+ Report.Error (1530, lexer.Location, "Keyword `new' is not allowed on namespace elements");
+ }
| PUBLIC { $$ = Modifiers.PUBLIC; }
| PROTECTED { $$ = Modifiers.PROTECTED; }
| INTERNAL { $$ = Modifiers.INTERNAL; }
: OPEN_BRACE
{
++lexer.parsing_block;
+ current_block.StartLocation = GetLocation ($1);
}
opt_statement_list CLOSE_BRACE
{
| labeled_statement
;
+//
+// The interactive_statement and its derivatives are only
+// used to provide a special version of `expression_statement'
+// that has a side effect of assigning the expression to
+// $retval
+//
+interactive_statement_list
+ : interactive_statement
+ | interactive_statement_list interactive_statement
+ ;
+
+interactive_statement
+ : declaration_statement
+ {
+ if ($1 != null && (Block) $1 != current_block){
+ current_block.AddStatement ((Statement) $1);
+ current_block = (Block) $1;
+ }
+ }
+ | interactive_valid_declaration_statement
+ {
+ current_block.AddStatement ((Statement) $1);
+ }
+ | labeled_statement
+ ;
+
valid_declaration_statement
: block
| empty_statement
| fixed_statement
;
+interactive_valid_declaration_statement
+ : block
+ | empty_statement
+ | interactive_expression_statement
+ | selection_statement
+ | iteration_statement
+ | jump_statement
+ | try_statement
+ | checked_statement
+ | unchecked_statement
+ | lock_statement
+ | using_statement
+ | unsafe_statement
+ | fixed_statement
+ ;
+
embedded_statement
: valid_declaration_statement
| declaration_statement
* > expressions to prevent reduce/reduce errors in the grammar.
* > The expressions are converted into types during semantic analysis.
*/
-local_variable_type
- : primary_expression opt_rank_specifier_or_nullable
+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 && RootContext.Version > LanguageVersion.ISO_2 && sn.Name == "var")
- $$ = new VarExpr (sn.Location);
+ if (sn != null && sn.Name == "var" &&
+ (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
+ $$ = current_array_type = new VarExpr (sn.Location);
else
$$ = $1;
} else {
else
$$ = current_array_type = new ComposedCast ((FullNamedExpression) $1, (string) $2, lexer.Location);
}
- ;
+ | VOID opt_rank_specifier
+ {
+ Expression.Error_VoidInvalidInTheContext (lexer.Location);
+ $$ = TypeManager.system_void_expr;
+ }
+ ;
local_variable_pointer_type
- : primary_expression STAR
+ : primary_expression_no_array_creation STAR
{
ATypeNameExpression expr = $1 as ATypeNameExpression;
$$ = expr;
}
}
- | builtin_types STAR
+ | builtin_types STAR
{
- $$ = new ComposedCast ((FullNamedExpression) $1, "*", lexer.Location);
+ $$ = new ComposedCast ((FullNamedExpression) $1, "*", GetLocation ($1));
}
- | VOID STAR
+ | VOID STAR
{
$$ = new ComposedCast (TypeManager.system_void_expr, "*", (Location) $1);
}
| local_variable_pointer_type STAR
- {
+ {
$$ = new ComposedCast ((FullNamedExpression) $1, "*");
}
- ;
+ ;
+
+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 {
+ $$ = null;
+ }
+ }
+ ;
local_variable_declaration
- : local_variable_type variable_declarators
+ : local_variable_type local_variable_declarators
{
if ($1 != null) {
VarExpr ve = $1 as VarExpr;
} else
$$ = null;
}
- | local_variable_pointer_type opt_rank_specifier_or_nullable variable_declarators
- {
- if ($1 != null){
- Expression t;
-
- if ((string) $2 == "")
- t = (Expression) $1;
- else
- t = new ComposedCast ((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)
$$ = new DictionaryEntry ($2, $3);
: statement_expression SEMICOLON { $$ = $1; }
;
+interactive_expression_statement
+ : interactive_statement_expression SEMICOLON { $$ = $1; }
+ ;
+
//
// We have to do the wrapping here and not in the case above,
// because statement_expression is used for example in for_statement
: expression
{
Expression expr = (Expression) $1;
- ExpressionStatement s = expr as ExpressionStatement;
+ ExpressionStatement s;
+
+ s = expr as ExpressionStatement;
+
if (s == null) {
expr.Error_InvalidExpressionStatement ();
- $$ = null;
}
+
$$ = new StatementExpression (s);
}
| error
{
- Report.Error (1002, GetLocation ($1), "Expecting `;'");
+ Error_SyntaxError (yyToken);
$$ = null;
}
;
+interactive_statement_expression
+ : expression
+ {
+ Expression expr = (Expression) $1;
+ ExpressionStatement s;
+
+ s = new OptionalAssign (new SimpleName ("$retval", lexer.Location), expr, lexer.Location);
+ $$ = new StatementExpression (s);
+ }
+ | error
+ {
+ Error_SyntaxError (yyToken);
+ $$ = null;
+ }
+ ;
+
selection_statement
: if_statement
| switch_statement
;
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);
;
switch_label
- : CASE constant_expression COLON { $$ = new SwitchLabel ((Expression) $2, (Location) $1); }
- | DEFAULT_COLON { $$ = new SwitchLabel (null, (Location) $1); }
- | error {
- Report.Error (
- 1523, GetLocation ($1),
- "The keyword case or default must precede code in switch block");
+ : CASE constant_expression COLON
+ {
+ $$ = new SwitchLabel ((Expression) $2, (Location) $1);
+ }
+ | DEFAULT_COLON
+ {
+ $$ = new SwitchLabel (null, (Location) $1);
}
;
;
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
{
$$ = new DictionaryEntry ($2, $3);
}
- | OPEN_PARENS CLOSE_PARENS
+ | open_parens_any CLOSE_PARENS
{
Report.Error (1015, GetLocation ($1), "A type that derives from `System.Exception', `object', or `string' expected");
}
;
fixed_statement
- : FIXED OPEN_PARENS
- type fixed_pointer_declarators
+ : FIXED open_parens_any
+ type_and_void fixed_pointer_declarators
CLOSE_PARENS
{
ArrayList list = (ArrayList) $4;
;
lock_statement
- : LOCK OPEN_PARENS expression CLOSE_PARENS
+ : LOCK open_parens_any expression CLOSE_PARENS
{
//
}
;
using_statement
- : USING OPEN_PARENS local_variable_declaration CLOSE_PARENS
+ : USING open_parens_any local_variable_declaration CLOSE_PARENS
{
start_block (lexer.Location);
Block assign_block = current_block;
current_block.AddStatement (stmt);
$$ = end_block (lexer.Location);
}
- | USING OPEN_PARENS expression CLOSE_PARENS
+ | USING open_parens_any expression CLOSE_PARENS
{
start_block (lexer.Location);
}
}
;
+//
+// Support for using the compiler as an interactive parser
+//
+// The INTERACTIVE_PARSER token is first sent to parse our
+// productions; If the result is a Statement, the parsing
+// is repeated, this time with INTERACTIVE_PARSE_WITH_BLOCK
+// to setup the blocks in advance.
+//
+// This setup is here so that in the future we can add
+// support for other constructs (type parsing, namespaces, etc)
+// that do not require a block to be setup in advance
+//
+
+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);
+
+ ArrayList baseclass_list = new ArrayList ();
+ baseclass_list.Add (new TypeExpression (Evaluator.InteractiveBaseClass, lexer.Location));
+ current_container.AddBasesForPart (current_class, baseclass_list);
+
+ // (ref object retval)
+ 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);
+ current_local_parameters = pars;
+ Method method = new Method (
+ current_class,
+ null, // generic
+ TypeManager.system_void_expr,
+ Modifiers.PUBLIC | Modifiers.STATIC,
+ new MemberName ("Host"),
+ pars,
+ null /* attributes */);
+
+ oob_stack.Push (method);
+ ++lexer.parsing_block;
+ start_block (lexer.Location);
+ }
+ interactive_statement_list
+ {
+ --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;
+ }
+ | EVAL_COMPILATION_UNIT_PARSER {
+ Evaluator.LoadAliases (current_namespace);
+ }
+ interactive_compilation_unit
+ ;
+
+interactive_compilation_unit
+ : outer_declarations
+ | outer_declarations global_attributes
+ | global_attributes
+ | /* nothing */
+ ;
%%
// <summary>
}
}
-// <summary>
-// A class used to hold info about an indexer declarator
-// </summary>
-public class IndexerDeclaration {
- public FullNamedExpression type;
- public MemberName interface_type;
- public Parameters param_list;
- public Location location;
-
- public IndexerDeclaration (FullNamedExpression type, MemberName interface_type,
- Parameters param_list, Location loc)
+class VariableMemberDeclaration
+{
+ public readonly MemberName MemberName;
+ public Expression expression_or_array_initializer;
+
+ public VariableMemberDeclaration (MemberName mn, object initializer)
{
- this.type = type;
- this.interface_type = interface_type;
- this.param_list = param_list;
- this.location = loc;
+ MemberName = mn;
+
+ if (initializer is ArrayList) {
+ this.expression_or_array_initializer = new ArrayCreation (CSharpParser.current_array_type, "", (ArrayList)initializer, mn.Location);
+ } else {
+ this.expression_or_array_initializer = (Expression)initializer;
+ }
}
}
+
// <summary>
// A class used to hold info about an operator declarator
// </summary>
void push_current_class (TypeContainer tc, object partial_token)
{
+ if (RootContext.EvalMode){
+ tc.ModFlags = (tc.ModFlags & ~(Modifiers.PRIVATE|Modifiers.INTERNAL)) | Modifiers.PUBLIC;
+ undo.AddTypeContainer (current_container, tc);
+ }
+
if (partial_token != null)
current_container = current_container.AddPartial (tc);
else
current_container = current_container.AddTypeContainer (tc);
+
+ ++lexer.parsing_declaration;
current_class = tc;
}
{
Namespace ns = current_namespace.NS;
- if (current_container.Name.Length == 0){
+ if (current_container == RootContext.ToplevelTypes) {
if (ns.Name.Length != 0)
return new MemberName (ns.MemberName, class_name);
else
Block implicit_block;
ArrayList inits = null;
+ //
+ // 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
+ if (decl.expression_or_array_initializer != null){
+ string id = "$" + decl.identifier;
+ current_block.AddVariable (type, id, decl.Location);
+
+ LocalVariableReference var;
+ var = new LocalVariableReferenceWithClassSideEffect (current_container, decl.identifier, current_block, id, decl.Location);
+ Assign assign = new SimpleAssign (var, decl.expression_or_array_initializer, 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
// int j = 1; int k = j + 1;
//
if (current_block.Used)
- implicit_block = new Block (current_block, loc, Location.Null);
+ implicit_block = new Block (current_block, loc, lexer.Location);
else
implicit_block = current_block;
oob_stack = new Stack ();
}
-public CSharpParser (SeekableStreamReader reader, CompilationUnit file, ArrayList defines)
+public CSharpParser (SeekableStreamReader reader, CompilationUnit file)
{
+ if (RootContext.EvalMode)
+ undo = new Undo ();
+
this.file = file;
current_namespace = new NamespaceEntry (null, file, null);
current_class = current_namespace.SlaveDeclSpace;
current_container = current_class.PartialContainer; // == RootContest.ToplevelTypes
oob_stack.Clear ();
- lexer = new Tokenizer (reader, file, defines);
+ lexer = new Tokenizer (reader, file);
}
public void parse ()
{
- int errors = Report.Errors;
+ eof_token = Token.EOF;
+
try {
if (yacc_verbose_flag > 1)
yyparse (lexer, new yydebug.yyDebugSimple ());
else
yyparse (lexer);
- Tokenizer tokenizer = lexer as Tokenizer;
- tokenizer.cleanup ();
} catch (Exception e){
- //
- // Removed for production use, use parser verbose to get the output.
- //
- // Console.WriteLine (e);
- if (Report.Errors == errors)
+ if (e is yyParser.yyUnexpectedEof)
+ UnexpectedEOF = true;
+ else if (yacc_verbose_flag > 0)
+ Console.WriteLine (e);
+ if (e is yyParser.yyException)
Report.Error (-25, lexer.Location, "Parsing error");
- if (yacc_verbose_flag > 0)
- Console.WriteLine (e);
+ else
+ Report.Error (-32, lexer.Location, "Internal compiler error during parsing, Run with -v for details");
}
+ Tokenizer tokenizer = lexer as Tokenizer;
+ tokenizer.cleanup ();
if (RootContext.ToplevelTypes.NamespaceEntry != null)
throw new InternalErrorException ("who set it?");
static void CheckToken (int error, int yyToken, string msg, Location loc)
{
if (yyToken >= Token.FIRST_KEYWORD && yyToken <= Token.LAST_KEYWORD)
- Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, yyNames [yyToken].ToLower ());
+ Report.Error (error, loc, "{0}: `{1}' is a keyword", msg, GetTokenName (yyToken));
else
Report.Error (error, loc, msg);
}
void
start_anonymous (bool lambda, Parameters 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 (current_container, parameters, loc)
- : new AnonymousMethodExpression (current_container, parameters, loc);
+ ? new LambdaExpression (parameters, loc)
+ : new AnonymousMethodExpression (parameters, 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_anonymous_method = (AnonymousMethodExpression) oob_stack.Pop ();
return retval;
}
+public NamespaceEntry CurrentNamespace {
+ get {
+ return current_namespace;
+ }
+}
+
+
+void Error_SyntaxError (int token)
+{
+ Error_SyntaxError (0, token);
+}
+
+void Error_SyntaxError (int error_code, int token)
+{
+ string symbol = GetSymbolName (token);
+ string expecting = GetExpecting ();
+
+ 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++){
+ 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++){
+ bool last = i + 1 == count;
+ if (last)
+ sb.Append ("or ");
+ sb.Append ('`');
+ sb.Append (names [i]);
+ sb.Append (last ? "'" : "', ");
+ }
+ return sb.ToString ();
+}
+
+
+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 "abstract";
+ case Token.AS:
+ return "as";
+ case Token.ADD:
+ return "add";
+ case Token.BASE:
+ return "base";
+ case Token.BREAK:
+ return "break";
+ case Token.CASE:
+ return "case";
+ case Token.CATCH:
+ return "catch";
+ case Token.CHECKED:
+ return "checked";
+ case Token.CLASS:
+ return "class";
+ case Token.CONST:
+ return "const";
+ case Token.CONTINUE:
+ return "continue";
+ case Token.DEFAULT:
+ return "default";
+ case Token.DELEGATE:
+ return "delegate";
+ case Token.DO:
+ return "do";
+ case Token.ELSE:
+ return "else";
+ case Token.ENUM:
+ return "enum";
+ case Token.EVENT:
+ return "event";
+ case Token.EXPLICIT:
+ return "explicit";
+ case Token.EXTERN:
+ return "extern";
+ case Token.FALSE:
+ return "false";
+ case Token.FINALLY:
+ return "finally";
+ case Token.FIXED:
+ return "fixed";
+ case Token.FOR:
+ return "for";
+ case Token.FOREACH:
+ return "foreach";
+ case Token.GOTO:
+ return "goto";
+ case Token.IF:
+ return "if";
+ case Token.IMPLICIT:
+ return "implicit";
+ case Token.IN:
+ return "in";
+ case Token.INTERFACE:
+ return "interface";
+ case Token.INTERNAL:
+ return "internal";
+ case Token.IS:
+ return "is";
+ case Token.LOCK:
+ return "lock";
+ case Token.NAMESPACE:
+ return "namespace";
+ case Token.NEW:
+ return "new";
+ case Token.NULL:
+ return "null";
+ case Token.OPERATOR:
+ return "operator";
+ case Token.OUT:
+ return "out";
+ case Token.OVERRIDE:
+ return "override";
+ case Token.PARAMS:
+ return "params";
+ case Token.PRIVATE:
+ return "private";
+ case Token.PROTECTED:
+ return "protected";
+ case Token.PUBLIC:
+ return "public";
+ case Token.READONLY:
+ return "readonly";
+ case Token.REF:
+ return "ref";
+ case Token.RETURN:
+ return "return";
+ case Token.REMOVE:
+ return "remove";
+ case Token.SEALED:
+ return "sealed";
+ case Token.SIZEOF:
+ return "sizeof";
+ case Token.STACKALLOC:
+ return "stackalloc";
+ case Token.STATIC:
+ return "static";
+ case Token.STRUCT:
+ return "struct";
+ case Token.SWITCH:
+ return "switch";
+ case Token.THIS:
+ return "this";
+ case Token.THROW:
+ return "throw";
+ case Token.TRUE:
+ return "true";
+ case Token.TRY:
+ return "try";
+ case Token.TYPEOF:
+ return "typeof";
+ case Token.UNCHECKED:
+ return "unchecked";
+ case Token.UNSAFE:
+ return "unsafe";
+ case Token.USING:
+ return "using";
+ case Token.VIRTUAL:
+ return "virtual";
+ case Token.VOLATILE:
+ return "volatile";
+ case Token.WHERE:
+ return "where";
+ case Token.WHILE:
+ return "while";
+ case Token.ARGLIST:
+ return "arglist";
+ case Token.PARTIAL:
+ return "partial";
+ case Token.ARROW:
+ return "=>";
+ case Token.FROM:
+ return "from";
+ case Token.JOIN:
+ return "join";
+ case Token.ON:
+ return "on";
+ case Token.EQUALS:
+ return "equals";
+ case Token.SELECT:
+ return "select";
+ case Token.GROUP:
+ return "group";
+ case Token.BY:
+ return "by";
+ case Token.LET:
+ return "let";
+ case Token.ORDERBY:
+ return "orderby";
+ case Token.ASCENDING:
+ return "ascending";
+ case Token.DESCENDING:
+ return "descending";
+ case Token.INTO:
+ return "into";
+ case Token.GET:
+ return "get";
+ case Token.SET:
+ return "set";
+ case Token.OPEN_BRACE:
+ return "{";
+ case Token.CLOSE_BRACE:
+ return "}";
+ case Token.OPEN_BRACKET:
+ return "[";
+ case Token.CLOSE_BRACKET:
+ return "]";
+ case Token.OPEN_PARENS_CAST:
+ case Token.OPEN_PARENS_LAMBDA:
+ case Token.OPEN_PARENS:
+ return "(";
+ case Token.CLOSE_PARENS:
+ return ")";
+ case Token.DOT:
+ return ".";
+ case Token.COMMA:
+ return ",";
+ case Token.DEFAULT_COLON:
+ return "default:";
+ case Token.COLON:
+ return ":";
+ case Token.SEMICOLON:
+ return ";";
+ case Token.TILDE:
+ return "~";
+
+ case Token.PLUS:
+ case Token.UMINUS:
+ case Token.MINUS:
+ case Token.BANG:
+ case Token.OP_LT:
+ case Token.OP_GT:
+ case Token.BITWISE_AND:
+ case Token.BITWISE_OR:
+ case Token.STAR:
+ case Token.PERCENT:
+ case Token.DIV:
+ case Token.CARRET:
+ case Token.OP_INC:
+ case Token.OP_DEC:
+ case Token.OP_SHIFT_LEFT:
+ case Token.OP_SHIFT_RIGHT:
+ case Token.OP_LE:
+ case Token.OP_GE:
+ case Token.OP_EQ:
+ case Token.OP_NE:
+ case Token.OP_AND:
+ case Token.OP_OR:
+ case Token.OP_PTR:
+ case Token.OP_COALESCING:
+ case Token.OP_MULT_ASSIGN:
+ case Token.OP_DIV_ASSIGN:
+ case Token.OP_MOD_ASSIGN:
+ case Token.OP_ADD_ASSIGN:
+ case Token.OP_SUB_ASSIGN:
+ case Token.OP_SHIFT_LEFT_ASSIGN:
+ case Token.OP_SHIFT_RIGHT_ASSIGN:
+ case Token.OP_AND_ASSIGN:
+ case Token.OP_XOR_ASSIGN:
+ case Token.OP_OR_ASSIGN:
+ return "<operator>";
+
+ case Token.BOOL:
+ case Token.BYTE:
+ case Token.CHAR:
+ case Token.VOID:
+ case Token.DECIMAL:
+ case Token.DOUBLE:
+ case Token.FLOAT:
+ case Token.INT:
+ case Token.LONG:
+ case Token.SBYTE:
+ case Token.SHORT:
+ case Token.STRING:
+ case Token.UINT:
+ case Token.ULONG:
+ case Token.USHORT:
+ case Token.OBJECT:
+ return "type";
+
+ case Token.ASSIGN:
+ return "=";
+ case Token.OP_GENERICS_LT:
+ case Token.GENERIC_DIMENSION:
+ return "<";
+ case Token.OP_GENERICS_GT:
+ return ">";
+ case Token.INTERR:
+ case Token.INTERR_NULLABLE:
+ return "?";
+ case Token.DOUBLE_COLON:
+ return "::";
+ 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 "value";
+ case Token.IDENTIFIER:
+ return "identifier";
+
+ // 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:
+ case Token.LOWPREC:
+ case Token.LAST_KEYWORD:
+ return "<internal>";
+
+ // A bit more robust.
+ default:
+ return yyNames [token];
+ }
+}
+
/* end end end */
}
projects / mono.git / blobdiff