class AlternativeBlock extends AlternativeElement
Modifier and Type | Field and Description |
---|---|
protected Vector |
alternatives |
protected int |
alti |
protected int |
altj |
protected int |
analysisAlt |
protected boolean |
doAutoGen |
protected boolean |
generateAmbigWarnings |
(package private) boolean |
greedy |
(package private) boolean |
greedySet |
protected boolean |
hasAnAction |
protected boolean |
hasASynPred |
protected int |
ID |
protected String |
initAction |
protected String |
label |
protected static int |
nblks |
(package private) boolean |
not |
protected boolean |
warnWhenFollowAmbig |
autoGenType, enclosingRuleName, next
AUTO_GEN_BANG, AUTO_GEN_CARET, AUTO_GEN_NONE, column, grammar, line
Constructor and Description |
---|
AlternativeBlock(Grammar g) |
AlternativeBlock(Grammar g,
Token start,
boolean not) |
Modifier and Type | Method and Description |
---|---|
void |
addAlternative(Alternative alt) |
void |
generate() |
Alternative |
getAlternativeAt(int i) |
Vector |
getAlternatives() |
boolean |
getAutoGen() |
String |
getInitAction() |
String |
getLabel() |
Lookahead |
look(int k) |
void |
prepareForAnalysis() |
void |
removeTrackingOfRuleRefs(Grammar g)
Walk the syntactic predicate and, for a rule ref R, remove
the ref from the list of FOLLOW references for R (stored
in the symbol table.
|
void |
setAlternatives(Vector v) |
void |
setAutoGen(boolean doAutoGen_) |
void |
setInitAction(String initAction_) |
void |
setLabel(String label_) |
void |
setOption(Token key,
Token value) |
String |
toString() |
getAutoGenType, setAutoGenType
getColumn, getLine
protected String initAction
protected Vector alternatives
protected String label
protected int alti
protected int altj
protected int analysisAlt
protected boolean hasAnAction
protected boolean hasASynPred
protected int ID
protected static int nblks
boolean not
boolean greedy
boolean greedySet
protected boolean doAutoGen
protected boolean warnWhenFollowAmbig
protected boolean generateAmbigWarnings
public AlternativeBlock(Grammar g)
public void addAlternative(Alternative alt)
public void generate()
generate
in class GrammarElement
public Alternative getAlternativeAt(int i)
public Vector getAlternatives()
public boolean getAutoGen()
public String getInitAction()
public String getLabel()
getLabel
in class AlternativeElement
public Lookahead look(int k)
look
in class GrammarElement
public void prepareForAnalysis()
public void removeTrackingOfRuleRefs(Grammar g)
public void setAlternatives(Vector v)
public void setAutoGen(boolean doAutoGen_)
public void setInitAction(String initAction_)
public void setLabel(String label_)
setLabel
in class AlternativeElement
public String toString()
toString
in class GrammarElement