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java12.cup
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java12.cup
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import java_cup.runtime.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.StringReader;
import java.io.Reader;
import java.util.List;
/* August 1999 - modified by Gerwin Klein <[email protected]>
to interface with JFlex scanners,
allows empty semicolon in class decls.
changed productions:
class_member_declaration ::=
field_declaration
| method_declaration
[..]
| interface_declaration
| SEMICOLON
;
interface_member_declaration ::=
constant_declaration
| abstract_method_declaration
| class_declaration
| interface_declaration
| SEMICOLON
;
*/
/* Java 1.2 parser for CUP.
* Copyright (C) 1998 C. Scott Ananian <[email protected]>
* This program is released under the terms of the GPL; see the file
* COPYING for more details. There is NO WARRANTY on this code.
*/
/*
JDK 1.2 Features added:
strictfp modifier.
explicit_constructor_invocation ::= ...
| primary DOT THIS LPAREN argument_list_opt RPAREN SEMICOLON ;
field_access ::= ...
| name DOT SUPER DOT IDENTIFIER ;
method_invocation ::= ...
| name DOT SUPER DOT IDENTIFIER LPAREN argument_list_opt RPAREN ;
*/
parser code {:
public void report_error(String message, Object info) {
StringBuilder m = new StringBuilder("Error (");
if (info instanceof java_cup.runtime.Symbol) {
m.append(info.toString() + ") " );
}
m.append(message);
System.out.println(m); // throw error
}
public void report_fatal_error(String message, Object info) {
report_error(message, info);
throw new RuntimeException("Fatal Syntax Error");
}
// defining X, Y (two positive integers described in project description.)
private int X = 10, Y = 7;
:};
terminal BOOLEAN; // primitive_type
terminal BYTE, SHORT, INT, LONG, CHAR; // integral_type
terminal FLOAT, DOUBLE; // floating_point_type
terminal LBRACK, RBRACK; // array_type
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 WHERE, UNTIL, BEGIN, END;
terminal X,Y;
terminal PRINT;
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 java.lang.String IDENTIFIER;
terminal NULL_LITERAL;
// strictfp keyword, new in Java 1.2
terminal STRICTFP;
// Reserved but unused:
terminal CONST, GOTO; // - REMOVED DUE TO WARNING
non terminal where_statement; // - Where Statement created
// 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 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_cl, super_opt;
non terminal interfaces, interfaces_opt, interface_type_list;
non terminal class_body;
non terminal class_body_declarations, class_body_declarations_opt;
non terminal class_body_declaration, class_member_declaration;
// 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 for_statement, for_statement_no_short_if;
non terminal for_init_opt, for_init;
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;
// 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_expression;
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 left_hand_side;
non terminal assignment_operator;
non terminal expression_opt, expression;
non terminal constant_expression;
start with goal;
// 19.2) The Syntactic Grammar
goal ::= compilation_unit
;
// 19.3) Lexical Structure.
literal ::= INTEGER_LITERAL:e
{: RESULT = e; :}
| FLOATING_POINT_LITERAL:e
{: RESULT = e; :}
| BOOLEAN_LITERAL:e
{: RESULT = e; :}
| CHARACTER_LITERAL:e
{: RESULT = e; :}
| STRING_LITERAL:e
{: RESULT = e; :}
| NULL_LITERAL:e
{: RESULT = e; :}
;
// 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
| array_type
;
class_or_interface_type ::= name;
class_type ::= class_or_interface_type;
interface_type ::= class_or_interface_type;
array_type ::= primitive_type dims
| name dims
;
// 19.5) Names
name ::= simple_name:e
{: RESULT = e; :}
| qualified_name
;
simple_name ::=
X
{: RESULT = X; :}
| Y
{: RESULT = Y; :}
| IDENTIFIER:e
{: RESULT = e; :}
;
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
;
single_type_import_declaration ::=
IMPORT name SEMICOLON
;
type_import_on_demand_declaration ::=
IMPORT name DOT MULT SEMICOLON
;
type_declaration ::=
class_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 super_opt interfaces_opt class_body
;
super_cl ::= EXTENDS class_type
;
super_opt ::=
| super_cl
;
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_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 super_opt interfaces_opt class_body
| interface_declaration
| SEMICOLON
;
// 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 ::=
modifiers_opt type method_declarator throws_opt
| modifiers_opt 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
;
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
;
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
| SUPER LPAREN argument_list_opt RPAREN SEMICOLON
| primary DOT THIS LPAREN argument_list_opt RPAREN SEMICOLON
| primary DOT SUPER LPAREN argument_list_opt RPAREN SEMICOLON
;
// 19.9) Interfaces
// 19.9.1) Interface Declarations
interface_declaration ::=
modifiers_opt INTERFACE IDENTIFIER 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
| interface_declaration
| SEMICOLON
;
constant_declaration ::=
field_declaration
;
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
| interface_declaration
;
local_variable_declaration_statement ::=
local_variable_declaration SEMICOLON
;
local_variable_declaration ::=
type variable_declarators
| FINAL type variable_declarators
;
statement ::= statement_without_trailing_substatement:e
{: RESULT = e; :}
| labeled_statement
| if_then_statement
| if_then_else_statement
| while_statement
| for_statement
;
statement_no_short_if ::=
statement_without_trailing_substatement:e
{: RESULT = e; :}
| labeled_statement_no_short_if
| if_then_else_statement_no_short_if
| while_statement_no_short_if
| for_statement_no_short_if
;
statement_without_trailing_substatement ::=
block
| PRINT LPAREN literal:e RPAREN SEMICOLON
{: RESULT = e; :}
| empty_statement
| expression_statement
| switch_statement
| do_statement
| break_statement
| continue_statement
| return_statement
| synchronized_statement
| throw_statement
| try_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:e
{: RESULT = e; :}
| 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:b RPAREN statement_no_short_if:s1
ELSE statement:s2
{:
if(b != null)
if((boolean) b) System.out.println(s1);
else System.out.println(s2);
:}
;
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
;
// New Version - Changed from original
while_statement ::=
WHILE conditional_expression where_statement
;
do_statement ::=
DO statement WHILE LPAREN expression RPAREN SEMICOLON
;
// New Version - Changed from phase1
where_statement ::=
WHERE
BEGIN
block_statements_opt
END
;
// New Version - Changed from original
for_statement ::=
FOR for_init_opt:b UNTIL expression:e where_statement:c
{:
Scanner scanLegacy = (Scanner) parser.getScanner();
BufferedReader br = new BufferedReader(new FileReader("sample.input"));
br.skip(scanLegacy.loopContainer.get(0));
scanLegacy.loopContainer.remove(0);
System.out.println(scanLegacy.loopContainer);
String loopEx = "class Wrapper {void innerFucntion() {";
for(int i = 0; i < scanLegacy.loopContainer.get(0); i++) {
loopEx += (char) br.read();
}
loopEx += "} }";
scanLegacy.loopContainer.remove(0); // remove it
for (int i = (int) b; i <= (int) e; i++) {
StringBuilder tempStr = new StringBuilder(loopEx);
// sequence detector to make new string for parser
for (int j = 1; j < loopEx.length() - 2; j++)
if ((loopEx.charAt(j - 1) == '(') &&
loopEx.charAt(j) == 'i' && // there's a counter!
(loopEx.charAt(j + 1) == ' ' || loopEx.charAt(j + 1) == '>' || loopEx.charAt(j + 1) == '<')) {
tempStr.deleteCharAt(j); // delete char at current position
tempStr.insert(j, String.valueOf(i)); // insert current value of i
}
// selector pattern regex presentation: [(]i[ ><]
// send new code to parser (this will run for )
parser p = new parser(new Scanner((Reader) new StringReader(tempStr.toString())));
p.parse(); // parse it!
}
:}
;
for_init_opt ::=
| for_init:e
{: RESULT = e; :}
;
for_init ::=
statement_expression_list:e
{: RESULT = e; :}
| local_variable_declaration:e
{: RESULT = e; :}
;
statement_expression_list ::=
statement_expression:e
{: RESULT = e; :}
| 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
;
// 19.12) Expressions
primary ::= primary_no_new_array:e
{: RESULT = e; :}
| array_creation_expression
;
primary_no_new_array ::=
literal:e
{: RESULT = e; :}
| THIS
| LPAREN expression RPAREN
| class_instance_creation_expression
| field_access
| method_invocation
| array_access
| primitive_type DOT CLASS
| VOID DOT CLASS
| array_type DOT CLASS
| name DOT CLASS
| name DOT THIS
;
class_instance_creation_expression ::=
NEW class_type LPAREN argument_list_opt RPAREN
| NEW class_type LPAREN argument_list_opt RPAREN class_body
| primary DOT NEW IDENTIFIER
LPAREN argument_list_opt RPAREN
| primary DOT NEW IDENTIFIER
LPAREN argument_list_opt RPAREN class_body
;
argument_list_opt ::=
| argument_list
;
argument_list ::=
expression
| argument_list COMMA expression
;
array_creation_expression ::=
NEW primitive_type dim_exprs dims_opt
| NEW class_or_interface_type dim_exprs dims_opt
| 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
| primary DOT IDENTIFIER LPAREN argument_list_opt RPAREN
| SUPER DOT IDENTIFIER LPAREN argument_list_opt RPAREN
| name DOT SUPER DOT IDENTIFIER LPAREN argument_list_opt RPAREN
;
array_access ::=
name LBRACK expression RBRACK
| primary_no_new_array LBRACK expression RBRACK
;
postfix_expression ::=
primary:e
{: RESULT = e; :}
| name:e
{: RESULT = e; :}
| 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:e
{: RESULT = e; :}
;
preincrement_expression ::=
PLUSPLUS unary_expression
;
predecrement_expression ::=
MINUSMINUS unary_expression
;
unary_expression_not_plus_minus ::=
postfix_expression:e
{: RESULT = e; :}
| COMP unary_expression
| NOT unary_expression
| cast_expression
;
cast_expression ::=
LPAREN primitive_type dims_opt RPAREN unary_expression
| LPAREN expression RPAREN unary_expression_not_plus_minus
| LPAREN name dims RPAREN unary_expression_not_plus_minus
;
multiplicative_expression ::=
unary_expression:e
{: RESULT = e; :}
| multiplicative_expression MULT unary_expression
| multiplicative_expression DIV unary_expression
| multiplicative_expression MOD unary_expression
;
additive_expression ::=
multiplicative_expression:e
{: RESULT = e; :}
| additive_expression PLUS multiplicative_expression
| additive_expression MINUS multiplicative_expression
;
shift_expression ::=
additive_expression:e
{: RESULT = e; :}
| shift_expression LSHIFT additive_expression
| shift_expression RSHIFT additive_expression
| shift_expression URSHIFT additive_expression
;
relational_expression ::=
shift_expression:e
{: RESULT = e; :}
| relational_expression:r LT shift_expression:e
{:
try {
RESULT = (int) r < (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
| relational_expression:r GT shift_expression:e
{:
try {
RESULT = (int) r > (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
| relational_expression:r LTEQ shift_expression:e
{:
try {
RESULT = (int) r <= (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
| relational_expression:r GTEQ shift_expression:e
{:
try {
RESULT = (int) r >= (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
| relational_expression INSTANCEOF reference_type
;
equality_expression ::=
relational_expression:e
{: RESULT = e; :}
| equality_expression:r EQEQ relational_expression:e
{:
try {
RESULT = (int) r == (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
| equality_expression:r NOTEQ relational_expression:e
{:
try {
RESULT = (int) r != (int) e;
} catch (Exception c) {
RESULT = null;
}
:}
;
and_expression ::=
equality_expression:e
{: RESULT = e; :}
| and_expression AND equality_expression
;
exclusive_or_expression ::=
and_expression:e
{: RESULT = e; :}
| exclusive_or_expression XOR and_expression
;
inclusive_or_expression ::=
exclusive_or_expression:e
{: RESULT = e; :}
| inclusive_or_expression OR exclusive_or_expression
;
conditional_and_expression ::=
inclusive_or_expression:e
{: RESULT = e; :}
| conditional_and_expression ANDAND inclusive_or_expression
;
conditional_or_expression ::=
conditional_and_expression:e
{: RESULT = e; :}
| conditional_or_expression OROR conditional_and_expression
;
conditional_expression ::=
conditional_or_expression:e
{: RESULT = e; :}
| conditional_or_expression QUESTION expression
COLON conditional_expression
;
assignment_expression ::=
conditional_expression:e
{: RESULT = e; :}
| assignment:e
{: RESULT = e; :}
;
assignment ::= left_hand_side assignment_operator assignment_expression:e
{: RESULT = e; :}
;
left_hand_side ::=
name