本文整理汇总了Java中org.antlr.v4.parse.ANTLRParser.CLOSURE属性的典型用法代码示例。如果您正苦于以下问题：Java ANTLRParser.CLOSURE属性的具体用法？Java ANTLRParser.CLOSURE怎么用？Java ANTLRParser.CLOSURE使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.antlr.v4.parse.ANTLRParser的用法示例。
在下文中一共展示了ANTLRParser.CLOSURE属性的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getEBNFBlock
@Override
public Choice getEBNFBlock(GrammarAST ebnfRoot, List<CodeBlockForAlt> alts) {
if (!g.tool.force_atn) {
int decision;
if ( ebnfRoot.getType()==ANTLRParser.POSITIVE_CLOSURE ) {
decision = ((PlusLoopbackState)ebnfRoot.atnState).decision;
}
else if ( ebnfRoot.getType()==ANTLRParser.CLOSURE ) {
decision = ((StarLoopEntryState)ebnfRoot.atnState).decision;
}
else {
decision = ((DecisionState)ebnfRoot.atnState).decision;
}
if ( AnalysisPipeline.disjoint(g.decisionLOOK.get(decision)) ) {
return getLL1EBNFBlock(ebnfRoot, alts);
}
}
return getComplexEBNFBlock(ebnfRoot, alts);
}
示例2: getLL1EBNFBlock
@Override
public Choice getLL1EBNFBlock(GrammarAST ebnfRoot, List<CodeBlockForAlt> alts) {
int ebnf = 0;
if ( ebnfRoot!=null ) ebnf = ebnfRoot.getType();
Choice c = null;
switch ( ebnf ) {
case ANTLRParser.OPTIONAL :
if ( alts.size()==1 ) c = new LL1OptionalBlockSingleAlt(this, ebnfRoot, alts);
else c = new LL1OptionalBlock(this, ebnfRoot, alts);
break;
case ANTLRParser.CLOSURE :
if ( alts.size()==1 ) c = new LL1StarBlockSingleAlt(this, ebnfRoot, alts);
else c = getComplexEBNFBlock(ebnfRoot, alts);
break;
case ANTLRParser.POSITIVE_CLOSURE :
if ( alts.size()==1 ) c = new LL1PlusBlockSingleAlt(this, ebnfRoot, alts);
else c = getComplexEBNFBlock(ebnfRoot, alts);
break;
}
return c;
}
示例3: getComplexEBNFBlock
@Override
public Choice getComplexEBNFBlock(GrammarAST ebnfRoot, List<CodeBlockForAlt> alts) {
int ebnf = 0;
if ( ebnfRoot!=null ) ebnf = ebnfRoot.getType();
Choice c = null;
switch ( ebnf ) {
case ANTLRParser.OPTIONAL :
c = new OptionalBlock(this, ebnfRoot, alts);
break;
case ANTLRParser.CLOSURE :
c = new StarBlock(this, ebnfRoot, alts);
break;
case ANTLRParser.POSITIVE_CLOSURE :
c = new PlusBlock(this, ebnfRoot, alts);
break;
}
return c;
}
示例4: getStateToGrammarRegionMap
public static Map<Integer, Interval> getStateToGrammarRegionMap(GrammarRootAST ast, IntervalSet grammarTokenTypes) {
Map<Integer, Interval> stateToGrammarRegionMap = new HashMap<Integer, Interval>();
if ( ast==null ) return stateToGrammarRegionMap;
List<GrammarAST> nodes = ast.getNodesWithType(grammarTokenTypes);
for (GrammarAST n : nodes) {
if (n.atnState != null) {
Interval tokenRegion = Interval.of(n.getTokenStartIndex(), n.getTokenStopIndex());
org.antlr.runtime.tree.Tree ruleNode = null;
// RULEs, BLOCKs of transformed recursive rules point to original token interval
switch ( n.getType() ) {
case ANTLRParser.RULE :
ruleNode = n;
break;
case ANTLRParser.BLOCK :
case ANTLRParser.CLOSURE :
ruleNode = n.getAncestor(ANTLRParser.RULE);
break;
}
if ( ruleNode instanceof RuleAST ) {
String ruleName = ((RuleAST) ruleNode).getRuleName();
Rule r = ast.g.getRule(ruleName);
if ( r instanceof LeftRecursiveRule ) {
RuleAST originalAST = ((LeftRecursiveRule) r).getOriginalAST();
tokenRegion = Interval.of(originalAST.getTokenStartIndex(), originalAST.getTokenStopIndex());
}
}
stateToGrammarRegionMap.put(n.atnState.stateNumber, tokenRegion);
}
}
return stateToGrammarRegionMap;
}