antlr
Class GrammarAtom

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

Direct Known Subclasses:

CharLiteralElement, StringLiteralElement, TokenRefElement, WildcardElement

abstract class GrammarAtom

extends AlternativeElement

A GrammarAtom is either a token ref, a character ref, or string. The analysis doesn't care.

Field Summary

protected java.lang.String	ASTNodeType Set to type of AST node to create during parse.
protected java.lang.String	atomText
static int	AUTO_GEN_BANG
static int	AUTO_GEN_CARET
static int	AUTO_GEN_NONE
protected int	autoGenType
protected java.lang.String	enclosingRuleName
protected Grammar	grammar
protected java.lang.String	label
protected int	line
(package private) AlternativeElement	next
protected boolean	not
protected int	tokenType

Constructor Summary

GrammarAtom(Grammar g, Token t, int autoGenType)

Method Summary

void	generate()
java.lang.String	getASTNodeType()
int	getAutoGenType()
java.lang.String	getLabel()
int	getLine()
java.lang.String	getText()
int	getType()
Lookahead	look(int k)
void	setASTNodeType(java.lang.String type)
void	setLabel(java.lang.String label_)
void	setOption(Token option, Token value)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

label

protected java.lang.String label

atomText

protected java.lang.String atomText

tokenType

protected int tokenType

not

protected boolean not

ASTNodeType

protected java.lang.String ASTNodeType

Set to type of AST node to create during parse. Defaults to what is set in the TokenSymbol.

next

AlternativeElement next

autoGenType

protected int autoGenType

enclosingRuleName

protected java.lang.String enclosingRuleName

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

GrammarAtom

public GrammarAtom(Grammar g,
                   Token t,
                   int autoGenType)

Method Detail

getLabel

public java.lang.String getLabel()

Overrides:

getLabel in class AlternativeElement

getText

public java.lang.String getText()

getType

public int getType()

setLabel

public void setLabel(java.lang.String label_)

Overrides:

setLabel in class AlternativeElement

getASTNodeType

public java.lang.String getASTNodeType()

setASTNodeType

public void setASTNodeType(java.lang.String type)

setOption

public void setOption(Token option,
                      Token value)

toString

public java.lang.String toString()

Specified by:

toString in class GrammarElement

getAutoGenType

public int getAutoGenType()

generate

public void generate()

getLine

public int getLine()

look

public Lookahead look(int k)