openjava.syntax
Class CompositeRule

java.lang.Object
  |
  +--openjava.syntax.AbstractSyntaxRule
        |
        +--openjava.syntax.CompositeRule

All Implemented Interfaces:

SyntaxRule, TokenID

public class CompositeRule

extends AbstractSyntaxRule

The class CompositeRule represents iterative syntax rule.

Suppose there's a syntax rules; A, B, C. This class can represents the syntax ( A B C ).

Since:

%SOFTWARE% 1.0

Version:

1.0

Author:

Michiaki Tatsubori

See Also:

Object

Field Summary

private SyntaxRule[]

elementRules

Fields inherited from class openjava.syntax.AbstractSyntaxRule

Fields inherited from interface openjava.syntax.TokenID

ABSTRACT, ANDASSIGN, ASSIGN, BANG, BIT_AND, BIT_OR, BOOLEAN, BREAK, BYTE, CASE, CATCH, CHAR, CHARACTER_LITERAL, CLASS, COLON, COMMA, CONDITIONAL_AND, CONDITIONAL_OR, CONTINUE, DECREMENT, DEFAULT, DO, DOT, DOUBLE, DOUBLE_LITERAL, ELSE, EOF, EQUAL, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FLOAT_LITERAL, FOR, GREATER, GREATER_EQUAL, HOOK, IDENTIFIER, IF, IMPLEMENTS, IMPORT, INCREMENT, INSTANCEOF, INSTANTIATES, INT, INTEGER_LITERAL, INTERFACE, LBRACE, LBRACKET, LESS, LESS_EQUAL, LONG, LONG_LITERAL, LPAREN, LSHIFT, LSHIFTASSIGN, METACLASS, MINUS, MINUSASSIGN, NATIVE, NEW, NOT_EQUAL, NULL, ORASSIGN, PACKAGE, PLUS, PLUSASSIGN, PRIVATE, PROTECTED, PUBLIC, RBRACE, RBRACKET, REM, REMASSIGN, RETURN, RPAREN, RSIGNEDSHIFT, RSIGNEDSHIFTASSIGN, RUNSIGNEDSHIFT, RUNSIGNEDSHIFTASSIGN, SEMICOLON, SHORT, SLASH, SLASHASSIGN, STAR, STARASSIGN, STATIC, STRING_LITERAL, SUPER, SWITCH, SYNCHRONIZED, THIS, THROW, THROWS, TILDE, TRANSIENT, TRUE, TRY, VOID, VOLATILE, WHILE, XOR, XORASSIGN

Constructor Summary

CompositeRule(SyntaxRule[] elementRules)
Allocates a new rule representing a composition of given rules.

CompositeRule(SyntaxRule e1, SyntaxRule e2)

CompositeRule(SyntaxRule e1, SyntaxRule e2, SyntaxRule e3)

Method Summary

ParseTree

consume(TokenSource token_src) Consumes token source.

Methods inherited from class openjava.syntax.AbstractSyntaxRule

getSyntaxException, lookahead

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

elementRules

private SyntaxRule[] elementRules

Constructor Detail

CompositeRule

public CompositeRule(SyntaxRule[] elementRules)

Allocates a new rule representing a composition of given rules.

Parameters:

elementRules - an array of rules

CompositeRule

public CompositeRule(SyntaxRule e1,
                     SyntaxRule e2)

CompositeRule

public CompositeRule(SyntaxRule e1,
                     SyntaxRule e2,
                     SyntaxRule e3)

Method Detail

consume

public ParseTree consume(TokenSource token_src)
                  throws SyntaxException

Consumes token source.

Specified by:

consume in interface SyntaxRule

Specified by:

consume in class AbstractSyntaxRule

Parameters:

token_src - token source.

Returns:

null if this fails to consume a syntax tree represented by this object. Otherwise it returns ObjectList object.

SyntaxException