antlr
Class GrammarElement

java.lang.Object
  |
  +--antlr.GrammarElement

Direct Known Subclasses:

AlternativeElement

abstract class GrammarElement

extends java.lang.Object

A GrammarElement is a generic node in our data structure that holds a grammar in memory. This data structure can be used for static analysis or for dynamic analysis (during parsing). Every node must know which grammar owns it, how to generate code, and how to do analysis.

Field Summary

static int	AUTO_GEN_BANG
static int	AUTO_GEN_CARET
static int	AUTO_GEN_NONE
protected Grammar	grammar
protected int	line

Constructor Summary

GrammarElement(Grammar g)

Method Summary

void	generate()
int	getLine()
Lookahead	look(int k)
abstract java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

AUTO_GEN_NONE

public static final int AUTO_GEN_NONE

See Also:

Constant Field Values

AUTO_GEN_CARET

public static final int AUTO_GEN_CARET

See Also:

Constant Field Values

AUTO_GEN_BANG

public static final int AUTO_GEN_BANG

See Also:

Constant Field Values

grammar

protected Grammar grammar

line

protected int line

Constructor Detail

GrammarElement

public GrammarElement(Grammar g)

Method Detail

generate

public void generate()

getLine

public int getLine()

look

public Lookahead look(int k)

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object