Package org.antlr.v4.automata

Examples of org.antlr.v4.automata.ATNOptimizer

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  @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 :
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  }

  @Override
  public CodeBlockForAlt alternative(Alternative alt, boolean outerMost) {
    if ( outerMost ) return new CodeBlockForOuterMostAlt(this, alt);
    return new CodeBlockForAlt(this);
  }
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    return alternative(alt, outerMost);
  }

  @Override
  public CodeBlockForAlt alternative(Alternative alt, boolean outerMost) {
    if ( outerMost ) return new CodeBlockForOuterMostAlt(this, alt);
    return new CodeBlockForAlt(this);
  }
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  @Override
  public List<SrcOp> sempred(ActionAST ast) { return list(new SemPred(this, ast)); }

  @Override
  public List<SrcOp> ruleRef(GrammarAST ID, GrammarAST label, GrammarAST args) {
    InvokeRule invokeOp = new InvokeRule(this, ID, label);
    // If no manual label and action refs as token/rule not label, we need to define implicit label
    if ( controller.needsImplicitLabel(ID, invokeOp) ) defineImplicitLabel(ID, invokeOp);
    AddToLabelList listLabelOp = getAddToListOpIfListLabelPresent(invokeOp, label);
    return list(invokeOp, listLabelOp);
  }
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    return getComplexEBNFBlock(ebnfRoot, alts);
  }

  @Override
  public Choice getLL1ChoiceBlock(BlockAST blkAST, List<CodeBlockForAlt> alts) {
    return new LL1AltBlock(this, blkAST, alts);
  }
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    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;
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    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);
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      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;
  }
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      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);
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  }

  @Override
  public RuleFunction rule(Rule r) {
    if ( r instanceof LeftRecursiveRule ) {
      return new LeftRecursiveRuleFunction(this, (LeftRecursiveRule)r);
    }
    else {
      RuleFunction rf = new RuleFunction(this, r);
      return rf;
    }
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Related Classes of org.antlr.v4.automata.ATNOptimizer

  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
  • org.antlr.runtime.Token
  • org.antlr.runtime.tree.CommonTree
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.antlr.runtime.tree.Tree
  • org.antlr.runtime.tree.TreeVisitor
  • org.antlr.runtime.tree.TreeVisitorAction
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