+++ /dev/null
-package Parse;
-
-import java_cup.runtime.*;
-
-/* Java 1.5 (JSR-14 + JSR-201) parser for CUP.
- * (Well, Java 1.5 as of 28 Jul 2003; it may change before official release)
- * Copyright (C) 2003 C. Scott Ananian <cananian@alumni.princeton.edu>
- * This program is released under the terms of the GPL; see the file
- * COPYING for more details. There is NO WARRANTY on this code.
- */
-
-/*
-JSR-14 Features added:
-* parameterized types, including corrections from the spec released
- with the 2.2 prototype of the JSR-14 compiler. Arrays of parameterized
- types bounded by wildcards are slated to be added to Java 1.5 (although
- they are not supported by the 2.2 prototype); this grammar supports them.
- "Wildcard" types are supported as of the 28 jul 2003 release.
-
-JSR-201 Features added:
-* no changes for autoboxing
-* new-style for:
- foreach_statement ::=
- FOR LPAREN type variable_declarator_id COLON expression RPAREN
- statement
- // must check that first IDENTIFIER is 'each' and second IDENTIFIER
- // is 'in' -- CSA extension; not (yet?) officially adopted
- | FOR IDENTIFIER LPAREN type variable_declarator_id IDENTIFIER
- expression RPAREN statement
- ;
- foreach_statement_no_short_if ::=
- FOR LPAREN type variable_declarator_id COLON expression RPAREN
- statement_no_short_if
- // must check that first IDENTIFIER is 'each' and second IDENTIFIER
- // is 'in' -- CSA extension; not (yet?) officially adopted
- | FOR IDENTIFIER LPAREN type variable_declarator_id IDENTIFIER
- expression RPAREN statement_no_short_if
- ;
- statement ::= ...
- | foreach_statement ;
- statement_no_short_if ::= ...
- | foreach_statement_no_short_if ;
-
-* static import:
- static_single_type_import_declaration ::=
- IMPORT STATIC name SEMICOLON
- ;
- static_type_import_on_demand_declaration ::=
- IMPORT STATIC name DOT MULT SEMICOLON
- ;
- import_declaration ::= ...
- | static_single_type_import_declaration
- | static_type_import_on_demand_declaration
- ;
-* varargs:
- formal_parameter ::= ...
- | type ELLIPSIS IDENTIFIER
- | FINAL type ELLIPSIS IDENTIFIER
- ;
-* enum:
- enum_declaration ::=
- modifiers_opt ENUM IDENTIFIER interfaces_opt enum_body
- ;
- enum_body ::=
- LBRACE enum_constants_opt enum_body_declarations_opt RBRACE
- ;
- enum_constants_opt ::=
- | enum_constants
- ;
- enum_constants ::=
- enum_constant
- | enum_constants COMMA enum_constant
- ;
- enum_constant ::=
- IDENTIFIER enum_arguments_opt
- | IDENTIFIER enum_arguments_opt class_body
- ;
- enum_arguments_opt ::=
- | LPAREN argument_list_opt RPAREN
- ;
- enum_body_declarations_opt ::=
- | SEMICOLON class_body_declarations_opt
- ;
-*/
-parser code {:
- Lexer lexer;
-
- public Grm15(Lexer l) {
- this();
- lexer=l;
- }
-
- public void syntax_error(java_cup.runtime.Symbol current) {
- report_error("Syntax error (" + current.sym + ")", current);
- }
- public void report_error(String message, java_cup.runtime.Symbol info) {
- lexer.errorMsg(message, info);
- }
-:};
-
-scan with {: return lexer.nextToken(); :};
-
-terminal BOOLEAN; // primitive_type
-terminal BYTE, SHORT, INT, LONG, CHAR; // integral_type
-terminal FLOAT, DOUBLE; // floating_point_type
-terminal LBRACK, RBRACK; // array_type
-terminal java.lang.String IDENTIFIER; // name
-terminal DOT; // qualified_name
-terminal SEMICOLON, MULT, COMMA, LBRACE, RBRACE, EQ, LPAREN, RPAREN, COLON;
-terminal PACKAGE; // package_declaration
-terminal IMPORT; // import_declaration
-terminal PUBLIC, PROTECTED, PRIVATE; // modifier
-terminal STATIC; // modifier
-terminal ABSTRACT, FINAL, NATIVE, SYNCHRONIZED, TRANSIENT, VOLATILE;
-terminal CLASS; // class_declaration
-terminal EXTENDS; // super
-terminal IMPLEMENTS; // interfaces
-terminal VOID; // method_header
-terminal THROWS; // throws
-terminal THIS, SUPER; // explicit_constructor_invocation
-terminal INTERFACE; // interface_declaration
-terminal IF, ELSE; // if_then_statement, if_then_else_statement
-terminal SWITCH; // switch_statement
-terminal CASE, DEFAULT; // switch_label
-terminal DO, WHILE; // while_statement, do_statement
-terminal FOR; // for_statement
-terminal BREAK; // break_statement
-terminal CONTINUE; // continue_statement
-terminal RETURN; // return_statement
-terminal THROW; // throw_statement
-terminal TRY; // try_statement
-terminal CATCH; // catch_clause
-terminal FINALLY; // finally
-terminal NEW; // class_instance_creation_expression
-terminal PLUSPLUS; // postincrement_expression
-terminal MINUSMINUS; // postdecrement_expression
-terminal PLUS, MINUS, COMP, NOT, DIV, MOD;
-terminal LSHIFT, RSHIFT, URSHIFT; // shift_expression
-terminal LT, GT, LTEQ, GTEQ, INSTANCEOF; // relational_expression
-terminal EQEQ, NOTEQ; // equality_expression
-terminal AND; // and_expression
-terminal XOR; // exclusive_or_expression
-terminal OR; // inclusive_or_expression
-terminal ANDAND; // conditional_and_expression
-terminal OROR; // conditional_or_expression
-terminal QUESTION; // conditional_expression
-terminal MULTEQ, DIVEQ, MODEQ, PLUSEQ, MINUSEQ; // assignment_operator
-terminal LSHIFTEQ, RSHIFTEQ, URSHIFTEQ; // assignment_operator
-terminal ANDEQ, XOREQ, OREQ; // assignment_operator
-
-terminal java.lang.Number INTEGER_LITERAL;
-terminal java.lang.Number FLOATING_POINT_LITERAL;
-terminal java.lang.Boolean BOOLEAN_LITERAL;
-terminal java.lang.Character CHARACTER_LITERAL;
-terminal java.lang.String STRING_LITERAL;
-terminal NULL_LITERAL;
-
-// Reserved but unused:
-terminal CONST, GOTO;
-// strictfp keyword, new in Java 1.2
-terminal STRICTFP;
-// assert keyword, new in Java 1.4
-terminal ASSERT; // assert_statement
-// ellipsis token for varargs, new in Java 1.5 (JSR-201)
-terminal ELLIPSIS;
-// enum keyword, new in Java 1.5 (JSR-201)
-terminal ENUM;
-
-// 19.2) The Syntactic Grammar
-non terminal goal;
-// 19.3) Lexical Structure
-non terminal literal;
-// 19.4) Types, Values, and Variables
-non terminal type, primitive_type, numeric_type;
-non terminal integral_type, floating_point_type;
-non terminal reference_type;
-non terminal class_or_interface_type;
-non terminal class_type, interface_type;
-non terminal array_type;
-// 19.5) Names
-non terminal name, simple_name, qualified_name;
-// 19.6) Packages
-non terminal compilation_unit;
-non terminal package_declaration_opt, package_declaration;
-non terminal import_declarations_opt, import_declarations;
-non terminal type_declarations_opt, type_declarations;
-non terminal import_declaration;
-non terminal single_type_import_declaration;
-non terminal type_import_on_demand_declaration;
-non terminal static_single_type_import_declaration;
-non terminal static_type_import_on_demand_declaration;
-non terminal type_declaration;
-// 19.7) Productions used only in the LALR(1) grammar
-non terminal modifiers_opt, modifiers, modifier;
-// 19.8.1) Class Declaration
-non terminal class_declaration, super, super_opt;
-non terminal interfaces, interfaces_opt, interface_type_list;
-non terminal class_body, class_body_opt;
-non terminal class_body_declarations, class_body_declarations_opt;
-non terminal class_body_declaration, class_member_declaration;
-// JSR-201) Enum Declaration
-non terminal enum_declaration;
-non terminal enum_body, enum_constants_opt, enum_constants, enum_constant;
-non terminal enum_arguments_opt, enum_body_declarations_opt;
-// 19.8.2) Field Declarations
-non terminal field_declaration, variable_declarators, variable_declarator;
-non terminal variable_declarator_id, variable_initializer;
-// 19.8.3) Method Declarations
-non terminal method_declaration, method_header, method_declarator;
-non terminal formal_parameter_list_opt, formal_parameter_list;
-non terminal formal_parameter;
-non terminal throws_opt, throws;
-non terminal class_type_list, method_body;
-// 19.8.4) Static Initializers
-non terminal static_initializer;
-// 19.8.5) Constructor Declarations
-non terminal constructor_declaration, constructor_declarator;
-non terminal constructor_body;
-non terminal explicit_constructor_invocation;
-// 19.9.1) Interface Declarations
-non terminal interface_declaration;
-non terminal extends_interfaces_opt, extends_interfaces;
-non terminal interface_body;
-non terminal interface_member_declarations_opt, interface_member_declarations;
-non terminal interface_member_declaration, constant_declaration;
-non terminal abstract_method_declaration;
-// 19.10) Arrays
-non terminal array_initializer;
-non terminal variable_initializers;
-// 19.11) Blocks and Statements
-non terminal block;
-non terminal block_statements_opt, block_statements, block_statement;
-non terminal local_variable_declaration_statement, local_variable_declaration;
-non terminal statement, statement_no_short_if;
-non terminal statement_without_trailing_substatement;
-non terminal empty_statement;
-non terminal labeled_statement, labeled_statement_no_short_if;
-non terminal expression_statement, statement_expression;
-non terminal if_then_statement;
-non terminal if_then_else_statement, if_then_else_statement_no_short_if;
-non terminal switch_statement, switch_block;
-non terminal switch_block_statement_groups;
-non terminal switch_block_statement_group;
-non terminal switch_labels, switch_label;
-non terminal while_statement, while_statement_no_short_if;
-non terminal do_statement;
-non terminal foreach_statement, foreach_statement_no_short_if;
-non terminal for_statement, for_statement_no_short_if;
-non terminal for_init_opt, for_init;
-non terminal for_update_opt, for_update;
-non terminal statement_expression_list;
-non terminal identifier_opt;
-non terminal break_statement, continue_statement;
-non terminal return_statement, throw_statement;
-non terminal synchronized_statement, try_statement;
-non terminal catches_opt, catches, catch_clause;
-non terminal finally;
-non terminal assert_statement;
-// 19.12) Expressions
-non terminal primary, primary_no_new_array;
-non terminal class_instance_creation_expression;
-non terminal argument_list_opt, argument_list;
-non terminal array_creation_init, array_creation_uninit;
-non terminal dim_exprs, dim_expr, dims_opt, dims;
-non terminal field_access, method_invocation, array_access;
-non terminal postfix_expression;
-non terminal postincrement_expression, postdecrement_expression;
-non terminal unary_expression, unary_expression_not_plus_minus;
-non terminal preincrement_expression, predecrement_expression;
-non terminal cast_expression;
-non terminal multiplicative_expression, additive_expression;
-non terminal shift_expression, relational_expression, equality_expression;
-non terminal and_expression, exclusive_or_expression, inclusive_or_expression;
-non terminal conditional_and_expression, conditional_or_expression;
-non terminal conditional_expression, assignment_expression;
-non terminal assignment;
-non terminal assignment_operator;
-non terminal expression_opt, expression;
-non terminal constant_expression;
-// JSR-14 2.1) Type Syntax 2.3) Handling Consecutive Type Brackets
-non terminal class_or_interface;
-non terminal type_variable;
-non terminal type_arguments, type_arguments_opt;
-non terminal type_argument_list;
-non terminal type_argument_list_1, reference_type_1;
-non terminal type_argument_list_2, reference_type_2;
-non terminal type_argument_list_3, reference_type_3;
-// JSR-14 2.2) Parameterized Type Declarations 2.3) Handling Consecutive...
-non terminal type_parameters, type_parameters_opt;
-non terminal type_parameter, type_parameter_list;
-non terminal type_parameter_1, type_parameter_list_1;
-non terminal type_bound, type_bound_opt;
-non terminal type_bound_1;
-non terminal additional_bound_list, additional_bound_list_opt;
-non terminal additional_bound_list_1;
-non terminal additional_bound;
-non terminal additional_bound_1;
-non terminal wildcard, wildcard_1, wildcard_2, wildcard_3;
-non terminal type_argument, type_argument_1, type_argument_2, type_argument_3;
-// not mentioned in JSR-14: need to reduce the precedence of instanceof
-// Alternatively, you can tweak the relational_expression production a little.
-non terminal instanceof_expression;
-//// expressions which are Not a Name
-non terminal postfix_expression_nn;
-non terminal unary_expression_nn;
-non terminal unary_expression_not_plus_minus_nn;
-non terminal multiplicative_expression_nn;
-non terminal additive_expression_nn;
-non terminal shift_expression_nn;
-non terminal relational_expression_nn;
-non terminal instanceof_expression_nn;
-non terminal equality_expression_nn;
-non terminal and_expression_nn;
-non terminal exclusive_or_expression_nn;
-non terminal inclusive_or_expression_nn;
-non terminal conditional_and_expression_nn;
-non terminal conditional_or_expression_nn;
-non terminal conditional_expression_nn;
-non terminal assignment_expression_nn;
-non terminal expression_nn;
-
-start with goal;
-
-// 19.2) The Syntactic Grammar
-goal ::= compilation_unit
- ;
-
-// 19.3) Lexical Structure.
-literal ::= INTEGER_LITERAL
- | FLOATING_POINT_LITERAL
- | BOOLEAN_LITERAL
- | CHARACTER_LITERAL
- | STRING_LITERAL
- | NULL_LITERAL
- ;
-
-// 19.4) Types, Values, and Variables
-type ::= primitive_type
- | reference_type
- ;
-primitive_type ::=
- numeric_type
- | BOOLEAN
- ;
-numeric_type::= integral_type
- | floating_point_type
- ;
-integral_type ::=
- BYTE
- | SHORT
- | INT
- | LONG
- | CHAR
- ;
-floating_point_type ::=
- FLOAT
- | DOUBLE
- ;
-
-reference_type ::=
- class_or_interface_type
-/* note that the 'type_variable' production will come out of the grammar
- * as a 'class_or_interface_type' with a 'simple_name'. The semantic
- * checker will have to resolve whether this is a class name or a type
- * variable */
- | array_type
- ;
-type_variable ::=
- IDENTIFIER
- ;
-class_or_interface ::=
- name
- | class_or_interface LT type_argument_list_1 DOT name
- ;
-class_or_interface_type ::=
- class_or_interface
- | class_or_interface LT type_argument_list_1
- ;
-
-class_type ::= class_or_interface_type;
-interface_type ::= class_or_interface_type;
-
-array_type ::= primitive_type dims
- // we have class_or_interface_type here even though only unbounded
- // wildcards are really allowed in the parameterization.
- // we have to expand this to avoid lookahead problems.
- | name dims
- | class_or_interface LT type_argument_list_1 DOT name dims
- | class_or_interface LT type_argument_list_1 dims
- ;
-
-type_arguments_opt ::= type_arguments | ;
-
-type_arguments ::=
- LT type_argument_list_1
- ;
-wildcard ::= QUESTION
- | QUESTION EXTENDS reference_type
- | QUESTION SUPER reference_type
- ;
-wildcard_1 ::= QUESTION GT
- | QUESTION EXTENDS reference_type_1
- | QUESTION SUPER reference_type_1
- ;
-wildcard_2 ::= QUESTION RSHIFT
- | QUESTION EXTENDS reference_type_2
- | QUESTION SUPER reference_type_2
- ;
-wildcard_3 ::= QUESTION URSHIFT
- | QUESTION EXTENDS reference_type_3
- | QUESTION SUPER reference_type_3
- ;
-reference_type_1 ::=
- reference_type GT
- | class_or_interface LT type_argument_list_2
- ;
-reference_type_2 ::=
- reference_type RSHIFT
- | class_or_interface LT type_argument_list_3
- ;
-reference_type_3 ::=
- reference_type URSHIFT
- ;
-type_argument_list ::=
- type_argument
- | type_argument_list COMMA type_argument
- ;
-type_argument_list_1 ::=
- type_argument_1
- | type_argument_list COMMA type_argument_1
- ;
-type_argument_list_2 ::=
- type_argument_2
- | type_argument_list COMMA type_argument_2
- ;
-type_argument_list_3 ::=
- type_argument_3
- | type_argument_list COMMA type_argument_3
- ;
-type_argument ::=
- reference_type
- | wildcard
- ;
-type_argument_1 ::=
- reference_type_1
- | wildcard_1
- ;
-type_argument_2 ::=
- reference_type_2
- | wildcard_2
- ;
-type_argument_3 ::=
- reference_type_3
- | wildcard_3
- ;
-
-// 19.5) Names
-name ::= simple_name
- | qualified_name
- ;
-simple_name ::= IDENTIFIER
- ;
-qualified_name ::=
- name DOT IDENTIFIER
- ;
-
-// 19.6) Packages
-compilation_unit ::=
- package_declaration_opt
- import_declarations_opt
- type_declarations_opt
- ;
-package_declaration_opt ::= package_declaration | ;
-import_declarations_opt ::= import_declarations | ;
-type_declarations_opt ::= type_declarations | ;
-
-import_declarations ::=
- import_declaration
- | import_declarations import_declaration
- ;
-type_declarations ::=
- type_declaration
- | type_declarations type_declaration
- ;
-package_declaration ::=
- PACKAGE name SEMICOLON
- ;
-import_declaration ::=
- single_type_import_declaration
- | type_import_on_demand_declaration
- | static_single_type_import_declaration
- | static_type_import_on_demand_declaration
- ;
-single_type_import_declaration ::=
- IMPORT name SEMICOLON
- ;
-static_single_type_import_declaration ::=
- IMPORT STATIC name SEMICOLON
- ;
-type_import_on_demand_declaration ::=
- IMPORT name DOT MULT SEMICOLON
- ;
-static_type_import_on_demand_declaration ::=
- IMPORT STATIC name DOT MULT SEMICOLON
- ;
-type_declaration ::=
- class_declaration
- | enum_declaration
- | interface_declaration
- | SEMICOLON
- ;
-
-// 19.7) Productions used only in the LALR(1) grammar
-modifiers_opt::=
- | modifiers
- ;
-modifiers ::= modifier
- | modifiers modifier
- ;
-modifier ::= PUBLIC | PROTECTED | PRIVATE
- | STATIC
- | ABSTRACT | FINAL | NATIVE | SYNCHRONIZED | TRANSIENT | VOLATILE
- | STRICTFP // note that semantic analysis must check that the
- // context of the modifier allows strictfp.
- ;
-
-// 19.8) Classes
-
-// 19.8.1) Class Declaration:
-class_declaration ::=
- modifiers_opt CLASS IDENTIFIER type_parameters_opt
- super_opt interfaces_opt class_body
- ;
-super ::= EXTENDS class_type
- ;
-super_opt ::=
- | super
- ;
-interfaces ::= IMPLEMENTS interface_type_list
- ;
-interfaces_opt::=
- | interfaces
- ;
-interface_type_list ::=
- interface_type
- | interface_type_list COMMA interface_type
- ;
-class_body ::= LBRACE class_body_declarations_opt RBRACE
- ;
-class_body_opt ::=
- | class_body ;
-class_body_declarations_opt ::=
- | class_body_declarations ;
-class_body_declarations ::=
- class_body_declaration
- | class_body_declarations class_body_declaration
- ;
-class_body_declaration ::=
- class_member_declaration
- | static_initializer
- | constructor_declaration
- | block
- ;
-class_member_declaration ::=
- field_declaration
- | method_declaration
- /* repeat the prod for 'class_declaration' here: */
- | modifiers_opt CLASS IDENTIFIER type_parameters_opt super_opt interfaces_opt class_body
- | enum_declaration
- | interface_declaration
- | SEMICOLON
- ;
-
-// JSR-201) Enum Declaration
-enum_declaration ::=
- modifiers_opt ENUM IDENTIFIER interfaces_opt enum_body
- ;
-enum_body ::=
- LBRACE enum_constants_opt enum_body_declarations_opt RBRACE
- ;
-enum_constants_opt ::=
- | enum_constants
- ;
-enum_constants ::=
- enum_constant
- | enum_constants COMMA enum_constant
- ;
-enum_constant ::=
- IDENTIFIER enum_arguments_opt
- | IDENTIFIER enum_arguments_opt class_body
- ;
-enum_arguments_opt ::=
- | LPAREN argument_list_opt RPAREN
- ;
-enum_body_declarations_opt ::=
- | SEMICOLON class_body_declarations_opt
- ;
-
-// 19.8.2) Field Declarations
-field_declaration ::=
- modifiers_opt type variable_declarators SEMICOLON
- ;
-variable_declarators ::=
- variable_declarator
- | variable_declarators COMMA variable_declarator
- ;
-variable_declarator ::=
- variable_declarator_id
- | variable_declarator_id EQ variable_initializer
- ;
-variable_declarator_id ::=
- IDENTIFIER
- | variable_declarator_id LBRACK RBRACK
- ;
-variable_initializer ::=
- expression
- | array_initializer
- ;
-
-// 19.8.3) Method Declarations
-method_declaration ::=
- method_header method_body
- ;
-method_header ::=
- // have to expand type_parameters_opt here so that we don't
- // force an early decision of whether this is a field_declaration
- // or a method_declaration (the type_parameters_opt would have to
- // be reduced when we see the 'type' if this was a method declaration,
- // but it might still turn out to be a field declaration).
- modifiers_opt type method_declarator throws_opt
- | modifiers_opt LT type_parameter_list_1 type method_declarator throws_opt
- | modifiers_opt VOID method_declarator throws_opt
- | modifiers_opt LT type_parameter_list_1 VOID method_declarator throws_opt
- ;
-method_declarator ::=
- IDENTIFIER LPAREN formal_parameter_list_opt RPAREN
- | method_declarator LBRACK RBRACK // deprecated
- // be careful; the above production also allows 'void foo() []'
- ;
-formal_parameter_list_opt ::=
- | formal_parameter_list
- ;
-formal_parameter_list ::=
- formal_parameter
- | formal_parameter_list COMMA formal_parameter
- ;
-formal_parameter ::=
- type variable_declarator_id
- | FINAL type variable_declarator_id
- // careful, productions below allow varargs in non-final positions.
- | type ELLIPSIS IDENTIFIER
- | FINAL type ELLIPSIS IDENTIFIER
- ;
-throws_opt ::=
- | throws
- ;
-throws ::= THROWS class_type_list
- ;
-class_type_list ::=
- class_type
- | class_type_list COMMA class_type
- ;
-method_body ::= block
- | SEMICOLON
- ;
-
-// 19.8.4) Static Initializers
-static_initializer ::=
- STATIC block
- ;
-
-// 19.8.5) Constructor Declarations
-constructor_declaration ::=
- modifiers_opt constructor_declarator
- throws_opt constructor_body
- | modifiers_opt LT type_parameter_list_1 constructor_declarator
- throws_opt constructor_body
- ;
-constructor_declarator ::=
- simple_name LPAREN formal_parameter_list_opt RPAREN
- ;
-constructor_body ::=
- LBRACE explicit_constructor_invocation
- block_statements RBRACE
- | LBRACE explicit_constructor_invocation RBRACE
- | LBRACE block_statements RBRACE
- | LBRACE RBRACE
- ;
-explicit_constructor_invocation ::=
- THIS LPAREN argument_list_opt RPAREN SEMICOLON
- | type_arguments THIS LPAREN argument_list_opt RPAREN SEMICOLON
- | SUPER LPAREN argument_list_opt RPAREN SEMICOLON
- | type_arguments SUPER LPAREN argument_list_opt RPAREN SEMICOLON
- | primary DOT SUPER LPAREN argument_list_opt RPAREN SEMICOLON
- | primary DOT type_arguments SUPER
- LPAREN argument_list_opt RPAREN SEMICOLON
- | name DOT SUPER LPAREN argument_list_opt RPAREN SEMICOLON
- | name DOT type_arguments SUPER LPAREN argument_list_opt RPAREN SEMICOLON
- ;
-
-// 19.9) Interfaces
-
-// 19.9.1) Interface Declarations
-interface_declaration ::=
- modifiers_opt INTERFACE IDENTIFIER type_parameters_opt
- extends_interfaces_opt interface_body
- ;
-extends_interfaces_opt ::=
- | extends_interfaces
- ;
-extends_interfaces ::=
- EXTENDS interface_type
- | extends_interfaces COMMA interface_type
- ;
-interface_body ::=
- LBRACE interface_member_declarations_opt RBRACE
- ;
-interface_member_declarations_opt ::=
- | interface_member_declarations
- ;
-interface_member_declarations ::=
- interface_member_declaration
- | interface_member_declarations interface_member_declaration
- ;
-interface_member_declaration ::=
- constant_declaration
- | abstract_method_declaration
- | class_declaration
- | enum_declaration
- | interface_declaration
- | SEMICOLON
- ;
-constant_declaration ::=
- field_declaration
- // need to semantically check that modifiers of field declaration
- // include only PUBLIC, STATIC, or FINAL. Other modifiers are
- // disallowed.
- ;
-abstract_method_declaration ::=
- method_header SEMICOLON
- ;
-
-// 19.10) Arrays
-array_initializer ::=
- LBRACE variable_initializers COMMA RBRACE
- | LBRACE variable_initializers RBRACE
- | LBRACE COMMA RBRACE
- | LBRACE RBRACE
- ;
-variable_initializers ::=
- variable_initializer
- | variable_initializers COMMA variable_initializer
- ;
-
-// 19.11) Blocks and Statements
-block ::= LBRACE block_statements_opt RBRACE
- ;
-block_statements_opt ::=
- | block_statements
- ;
-block_statements ::=
- block_statement
- | block_statements block_statement
- ;
-block_statement ::=
- local_variable_declaration_statement
- | statement
- | class_declaration
- | enum_declaration
- | interface_declaration
- ;
-local_variable_declaration_statement ::=
- local_variable_declaration SEMICOLON
- ;
-/* jikes expands 'type' in production for local_variable_declaration to
- * avoid reduce-reduce conflict: given 'name [' the grammar can't decide
- * whether this is going to be a type (starting the local_variable_declaration)
- * or an array access expression. */
-local_variable_declaration ::=
- type variable_declarators
- // you may want to accept 'modifiers' here instead of just FINAL
- // to produce better error messages.
- | FINAL type variable_declarators
- ;
-statement ::= statement_without_trailing_substatement
- | labeled_statement
- | if_then_statement
- | if_then_else_statement
- | while_statement
- | for_statement
- | foreach_statement
- ;
-statement_no_short_if ::=
- statement_without_trailing_substatement
- | labeled_statement_no_short_if
- | if_then_else_statement_no_short_if
- | while_statement_no_short_if
- | for_statement_no_short_if
- | foreach_statement_no_short_if
- ;
-statement_without_trailing_substatement ::=
- block
- | empty_statement
- | expression_statement
- | switch_statement
- | do_statement
- | break_statement
- | continue_statement
- | return_statement
- | synchronized_statement
- | throw_statement
- | try_statement
- | assert_statement
- ;
-empty_statement ::=
- SEMICOLON
- ;
-labeled_statement ::=
- IDENTIFIER COLON statement
- ;
-labeled_statement_no_short_if ::=
- IDENTIFIER COLON statement_no_short_if
- ;
-expression_statement ::=
- statement_expression SEMICOLON
- ;
-statement_expression ::=
- assignment
- | preincrement_expression
- | predecrement_expression
- | postincrement_expression
- | postdecrement_expression
- | method_invocation
- | class_instance_creation_expression
- ;
-if_then_statement ::=
- IF LPAREN expression RPAREN statement
- ;
-if_then_else_statement ::=
- IF LPAREN expression RPAREN statement_no_short_if
- ELSE statement
- ;
-if_then_else_statement_no_short_if ::=
- IF LPAREN expression RPAREN statement_no_short_if
- ELSE statement_no_short_if
- ;
-switch_statement ::=
- SWITCH LPAREN expression RPAREN switch_block
- ;
-switch_block ::=
- LBRACE switch_block_statement_groups switch_labels RBRACE
- | LBRACE switch_block_statement_groups RBRACE
- | LBRACE switch_labels RBRACE
- | LBRACE RBRACE
- ;
-switch_block_statement_groups ::=
- switch_block_statement_group
- | switch_block_statement_groups switch_block_statement_group
- ;
-switch_block_statement_group ::=
- switch_labels block_statements
- ;
-switch_labels ::=
- switch_label
- | switch_labels switch_label
- ;
-switch_label ::=
- CASE constant_expression COLON
- | DEFAULT COLON
- ;
-
-while_statement ::=
- WHILE LPAREN expression RPAREN statement
- ;
-while_statement_no_short_if ::=
- WHILE LPAREN expression RPAREN statement_no_short_if
- ;
-do_statement ::=
- DO statement WHILE LPAREN expression RPAREN SEMICOLON
- ;
-foreach_statement ::=
- FOR LPAREN type variable_declarator_id COLON expression RPAREN
- statement
- // must check that first IDENTIFIER is 'each' and second IDENTIFIER
- // is 'in'
- | FOR IDENTIFIER LPAREN type variable_declarator_id IDENTIFIER
- expression RPAREN statement
- ;
-foreach_statement_no_short_if ::=
- FOR LPAREN type variable_declarator_id COLON expression RPAREN
- statement_no_short_if
- // must check that first IDENTIFIER is 'each' and second IDENTIFIER
- // is 'in'
- | FOR IDENTIFIER LPAREN type variable_declarator_id IDENTIFIER
- expression RPAREN statement_no_short_if
- ;
-for_statement ::=
- FOR LPAREN for_init_opt SEMICOLON expression_opt SEMICOLON
- for_update_opt RPAREN statement
- ;
-for_statement_no_short_if ::=
- FOR LPAREN for_init_opt SEMICOLON expression_opt SEMICOLON
- for_update_opt RPAREN statement_no_short_if
- ;
-for_init_opt ::=
- | for_init
- ;
-for_init ::= statement_expression_list
- | local_variable_declaration
- ;
-for_update_opt ::=
- | for_update
- ;
-for_update ::= statement_expression_list
- ;
-statement_expression_list ::=
- statement_expression
- | statement_expression_list COMMA statement_expression
- ;
-
-identifier_opt ::=
- | IDENTIFIER
- ;
-
-break_statement ::=
- BREAK identifier_opt SEMICOLON
- ;
-
-continue_statement ::=
- CONTINUE identifier_opt SEMICOLON
- ;
-return_statement ::=
- RETURN expression_opt SEMICOLON
- ;
-throw_statement ::=
- THROW expression SEMICOLON
- ;
-synchronized_statement ::=
- SYNCHRONIZED LPAREN expression RPAREN block
- ;
-try_statement ::=
- TRY block catches
- | TRY block catches_opt finally
- ;
-catches_opt ::=
- | catches
- ;
-catches ::= catch_clause
- | catches catch_clause
- ;
-catch_clause ::=
- CATCH LPAREN formal_parameter RPAREN block
- ;
-finally ::= FINALLY block
- ;
-assert_statement ::=
- ASSERT expression SEMICOLON
- | ASSERT expression COLON expression SEMICOLON
- ;
-
-// 19.12) Expressions
-primary ::= primary_no_new_array
- | array_creation_init
- | array_creation_uninit
- ;
-primary_no_new_array ::=
- literal
- | THIS
- | LPAREN name RPAREN
- | LPAREN expression_nn RPAREN
- | class_instance_creation_expression
- | field_access
- | method_invocation
- | array_access
- | name DOT THIS
- | VOID DOT CLASS
- // "Type DOT CLASS", but expanded
- | primitive_type DOT CLASS
- | primitive_type dims DOT CLASS
- | name DOT CLASS
- | name dims DOT CLASS
-// the following two productions are part of the expansion of
-// 'type DOT CLASS' but are not actually allowed, as they involve params.
-// [see msg from Neal Gafter <3F219367.3070903@sun.com> 25-jul-2003]
-// | class_or_interface type_arguments DOT name dims DOT CLASS
-// | class_or_interface LT type_argument_list_1 dims DOT CLASS
- ;
-// grammar distributed with prototype 2.2 is in error; the following is correct
-// [ Neal Gafter, <3F2577E0.3090008@sun.com> ]
-class_instance_creation_expression ::=
- NEW class_or_interface_type LPAREN argument_list_opt RPAREN class_body_opt
- | NEW type_arguments class_or_interface_type LPAREN argument_list_opt RPAREN class_body_opt
- | primary DOT NEW type_arguments_opt IDENTIFIER type_arguments_opt
- LPAREN argument_list_opt RPAREN class_body_opt
- | name DOT NEW type_arguments_opt IDENTIFIER type_arguments_opt
- LPAREN argument_list_opt RPAREN class_body_opt
- ;
-argument_list_opt ::=
- | argument_list
- ;
-argument_list ::=
- expression
- | argument_list COMMA expression
- ;
-array_creation_uninit ::=
- NEW primitive_type dim_exprs dims_opt
- | NEW class_or_interface_type dim_exprs dims_opt
- ;
-array_creation_init ::=
- NEW primitive_type dims array_initializer
- | NEW class_or_interface_type dims array_initializer
- ;
-dim_exprs ::= dim_expr
- | dim_exprs dim_expr
- ;
-dim_expr ::= LBRACK expression RBRACK
- ;
-dims_opt ::=
- | dims
- ;
-dims ::= LBRACK RBRACK
- | dims LBRACK RBRACK
- ;
-field_access ::=
- primary DOT IDENTIFIER
- | SUPER DOT IDENTIFIER
- | name DOT SUPER DOT IDENTIFIER
- ;
-method_invocation ::=
- name LPAREN argument_list_opt RPAREN
-// the following production appeared in the prototype 2.2 spec, but it
-// introduces ambiguities in the grammar (consider the expression
-// A((B)<C,D>E());
-// which could be either an invocation on E or two boolean comparisons).
-// Neal Gafter has assured me that this production should be removed
-// from the grammar. <3F256C06.7000600@sun.com>
-// | type_arguments name LPAREN argument_list_opt RPAREN
- | primary DOT IDENTIFIER LPAREN argument_list_opt RPAREN
- | primary DOT type_arguments IDENTIFIER LPAREN argument_list_opt RPAREN
- | name DOT type_arguments IDENTIFIER LPAREN argument_list_opt RPAREN
- | SUPER DOT IDENTIFIER LPAREN argument_list_opt RPAREN
- | SUPER DOT type_arguments IDENTIFIER LPAREN argument_list_opt RPAREN
- | name DOT SUPER DOT IDENTIFIER LPAREN argument_list_opt RPAREN
- | name DOT SUPER DOT type_arguments IDENTIFIER LPAREN argument_list_opt RPAREN
- ;
-array_access ::=
- name LBRACK expression RBRACK
- | primary_no_new_array LBRACK expression RBRACK
- | array_creation_init LBRACK expression RBRACK
- ;
-postfix_expression ::=
- primary
- | name
- | postincrement_expression
- | postdecrement_expression
- ;
-postincrement_expression ::=
- postfix_expression PLUSPLUS
- ;
-postdecrement_expression ::=
- postfix_expression MINUSMINUS
- ;
-unary_expression ::=
- preincrement_expression
- | predecrement_expression
- | PLUS unary_expression
- | MINUS unary_expression
- | unary_expression_not_plus_minus
- ;
-preincrement_expression ::=
- PLUSPLUS unary_expression
- ;
-predecrement_expression ::=
- MINUSMINUS unary_expression
- ;
-unary_expression_not_plus_minus ::=
- postfix_expression
- | COMP unary_expression
- | NOT unary_expression
- | cast_expression
- ;
-// This parsing technique was discovered by Eric Blake <ebb9@email.byu.edu>
-// We solving grammar ambiguities with between parenthesized less-than
-// relational operations and type casts with a slightly-more-complicated
-// cast_expression production.
-// Illustrative example: LPAREN name LT name ...
-// is this going to be a cast_expression or a relational_expression?
-// canonically, this production is:
-// cast_expression ::= LPAREN type RPAREN unary_expression_not_plus_minus
-cast_expression ::=
- LPAREN primitive_type dims_opt RPAREN unary_expression
- | LPAREN name RPAREN unary_expression_not_plus_minus
- | LPAREN name dims RPAREN unary_expression_not_plus_minus
- | LPAREN name LT type_argument_list_1 dims_opt RPAREN
- unary_expression_not_plus_minus
- | LPAREN name LT type_argument_list_1 DOT
- class_or_interface_type dims_opt RPAREN
- unary_expression_not_plus_minus
- ;
-multiplicative_expression ::=
- unary_expression
- | multiplicative_expression MULT unary_expression
- | multiplicative_expression DIV unary_expression
- | multiplicative_expression MOD unary_expression
- ;
-additive_expression ::=
- multiplicative_expression
- | additive_expression PLUS multiplicative_expression
- | additive_expression MINUS multiplicative_expression
- ;
-shift_expression ::=
- additive_expression
- | shift_expression LSHIFT additive_expression
- | shift_expression RSHIFT additive_expression
- | shift_expression URSHIFT additive_expression
- ;
-relational_expression ::=
- shift_expression
- | relational_expression LT shift_expression
- | relational_expression GT shift_expression
- | relational_expression LTEQ shift_expression
- | relational_expression GTEQ shift_expression
- ;
-// we lower the precendence of instanceof to resolve a grammar ambiguity.
-// semantics are unchanged, since relational expressions do not operate
-// on boolean. Eric Blake had a different solution here, where he
-// used the production 'shift_expression LT shift_expression' to solve
-// the same problem.
-instanceof_expression ::=
- relational_expression
- | instanceof_expression INSTANCEOF reference_type
- ;
-equality_expression ::=
- instanceof_expression
- | equality_expression EQEQ instanceof_expression
- | equality_expression NOTEQ instanceof_expression
- ;
-and_expression ::=
- equality_expression
- | and_expression AND equality_expression
- ;
-exclusive_or_expression ::=
- and_expression
- | exclusive_or_expression XOR and_expression
- ;
-inclusive_or_expression ::=
- exclusive_or_expression
- | inclusive_or_expression OR exclusive_or_expression
- ;
-conditional_and_expression ::=
- inclusive_or_expression
- | conditional_and_expression ANDAND inclusive_or_expression
- ;
-conditional_or_expression ::=
- conditional_and_expression
- | conditional_or_expression OROR conditional_and_expression
- ;
-conditional_expression ::=
- conditional_or_expression
- | conditional_or_expression QUESTION expression
- COLON conditional_expression
- ;
-assignment_expression ::=
- conditional_expression
- | assignment
- ;
-// semantic check necessary here to ensure a valid left-hand side.
-// allowing a parenthesized variable here on the lhs was introduced in
-// JLS 2; thanks to Eric Blake for pointing this out.
-assignment ::= postfix_expression assignment_operator assignment_expression
- ;
-assignment_operator ::=
- EQ
- | MULTEQ
- | DIVEQ
- | MODEQ
- | PLUSEQ
- | MINUSEQ
- | LSHIFTEQ
- | RSHIFTEQ
- | URSHIFTEQ
- | ANDEQ
- | XOREQ
- | OREQ
- ;
-expression_opt ::=
- | expression
- ;
-expression ::= assignment_expression
- ;
-// note that this constraint must be enforced during semantic checking
-// 'constant_expression' should include enumerated constants.
-constant_expression ::=
- expression
- ;
-
-// JLS-14 productions.
-type_parameters_opt ::= type_parameters | ;
-type_parameters ::=
- LT type_parameter_list_1
- ;
-type_parameter_list ::=
- type_parameter_list COMMA type_parameter
- | type_parameter
- ;
-type_parameter_list_1 ::=
- type_parameter_1
- | type_parameter_list COMMA type_parameter_1
- ;
-type_parameter ::=
- type_variable type_bound_opt
- ;
-type_parameter_1 ::=
- type_variable GT
- | type_variable type_bound_1
- ;
-type_bound_opt ::= type_bound | ;
-type_bound ::=
- EXTENDS reference_type additional_bound_list_opt
- ;
-type_bound_1 ::=
- EXTENDS reference_type_1
- | EXTENDS reference_type additional_bound_list_1
- ;
-additional_bound_list_opt ::= additional_bound_list | ;
-additional_bound_list ::=
- additional_bound additional_bound_list
- | additional_bound
- ;
-additional_bound_list_1 ::=
- additional_bound additional_bound_list_1
- | additional_bound_1
- ;
-additional_bound ::=
- AND interface_type
- ;
-additional_bound_1 ::=
- AND reference_type_1
- ;
-//////////////////////////////////////////////
-// the following productions are copied from the standard ones, but
-// 'name' all alone is not allowed. The '_nn' stands for 'not name'.
-// we also expand the productions so that they recursively depend on the
-// '_nn' forms of their left hand side, then adding a new production
-// with 'name' explicit on the left-hand side.
-// this allows us to postpone the decision whether '(x)' is an expression
-// or a type-cast until we can see enough right context to make the proper
-// choice.
-postfix_expression_nn ::=
- primary
- // the 'name' production was removed here.
- | postincrement_expression
- | postdecrement_expression
- ;
-unary_expression_nn ::=
- preincrement_expression
- | predecrement_expression
- | PLUS unary_expression
- | MINUS unary_expression
- | unary_expression_not_plus_minus_nn
- ;
-unary_expression_not_plus_minus_nn ::=
- postfix_expression_nn
- | COMP unary_expression
- | NOT unary_expression
- | cast_expression
- ;
-multiplicative_expression_nn ::=
- unary_expression_nn
- | name MULT unary_expression
- | multiplicative_expression_nn MULT unary_expression
- | name DIV unary_expression
- | multiplicative_expression_nn DIV unary_expression
- | name MOD unary_expression
- | multiplicative_expression_nn MOD unary_expression
- ;
-additive_expression_nn ::=
- multiplicative_expression_nn
- | name PLUS multiplicative_expression
- | additive_expression_nn PLUS multiplicative_expression
- | name MINUS multiplicative_expression
- | additive_expression_nn MINUS multiplicative_expression
- ;
-shift_expression_nn ::=
- additive_expression_nn
- | name LSHIFT additive_expression
- | shift_expression_nn LSHIFT additive_expression
- | name RSHIFT additive_expression
- | shift_expression_nn RSHIFT additive_expression
- | name URSHIFT additive_expression
- | shift_expression_nn URSHIFT additive_expression
- ;
-relational_expression_nn ::=
- shift_expression_nn
- // note that we've tweaked the productions for LT/GT to disallow
- // a<b<c as a valid expression. This avoids ambiguity with
- // parameterized types in casts.
- | name LT shift_expression
- | shift_expression_nn LT shift_expression
- | name GT shift_expression
- | shift_expression_nn GT shift_expression
- | name LTEQ shift_expression
- | relational_expression_nn LTEQ shift_expression
- | name GTEQ shift_expression
- | relational_expression_nn GTEQ shift_expression
- ;
-instanceof_expression_nn ::=
- relational_expression_nn
- | name INSTANCEOF reference_type
- | instanceof_expression_nn INSTANCEOF reference_type
- ;
-equality_expression_nn ::=
- instanceof_expression_nn
- | name EQEQ instanceof_expression
- | equality_expression_nn EQEQ instanceof_expression
- | name NOTEQ instanceof_expression
- | equality_expression_nn NOTEQ instanceof_expression
- ;
-and_expression_nn ::=
- equality_expression_nn
- | name AND equality_expression
- | and_expression_nn AND equality_expression
- ;
-exclusive_or_expression_nn ::=
- and_expression_nn
- | name XOR and_expression
- | exclusive_or_expression_nn XOR and_expression
- ;
-inclusive_or_expression_nn ::=
- exclusive_or_expression_nn
- | name OR exclusive_or_expression
- | inclusive_or_expression_nn OR exclusive_or_expression
- ;
-conditional_and_expression_nn ::=
- inclusive_or_expression_nn
- | name ANDAND inclusive_or_expression
- | conditional_and_expression_nn ANDAND inclusive_or_expression
- ;
-conditional_or_expression_nn ::=
- conditional_and_expression_nn
- | name OROR conditional_and_expression
- | conditional_or_expression_nn OROR conditional_and_expression
- ;
-conditional_expression_nn ::=
- conditional_or_expression_nn
- | name QUESTION expression COLON conditional_expression
- | conditional_or_expression_nn QUESTION expression
- COLON conditional_expression
- ;
-assignment_expression_nn ::=
- conditional_expression_nn
- | assignment
- ;
-expression_nn ::= assignment_expression_nn
- ;
projects / IRC.git / blobdiff