Package org.antlr.runtime

Examples of org.antlr.runtime.ANTLRStringStream

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  public Compiler(String klass) {
    this.klass = klass;
  }

  public ScriptFragment parse(String input) throws Exception {
    CharStream stream = new ANTLRStringStream(input);

    FsharpLexer lexer = new FsharpLexer(stream);

    CommonTokenStream tokens = new CommonTokenStream(lexer);
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    checkTrailingZeroBytes(content);
    aptanaScanner.setSource(content);
  }

  public Lexer(String str) {
    this(new ANTLRStringStream(str));
  }
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    }

    public void testRuleParseLhs3() throws Exception {
        final String text = "(or\nnot Person()\n(and Cheese()\nMeat()\nWine()))";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
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    }

    public void testRuleParseLhs4() throws Exception {
        final String text = "not((and Cheese() Meat() Wine()))";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
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        return parse( name,
                      text.toString() );
    }

    private CharStream newCharStream(final String text) {
        return new ANTLRStringStream( text );
    }
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    private DRLParser parse(final String text) throws Exception {
        return newParser( newTokenStream( newLexer( newCharStream( text ) ) ) );
    }

    private CharStream newCharStream(final String text) {
        return new ANTLRStringStream( text );
    }
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    }

    public void testRuleParseLhs() throws Exception {
        final String text = "Person(age < 42, location==\"atlanta\") \nor\nPerson(name==\"bob\") \n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
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    }

    public void testMemberof() throws Exception {
        final String text = "Country( $cities : city )\nPerson( city memberOf $cities )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
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    }

    public void testNotMemberof() throws Exception {
        final String text = "Country( $cities : city )\nPerson( city not memberOf $cities )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
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    }

    public void testConstraintAndConnective() throws Exception {
        final String text = "Person( age < 42 && location==\"atlanta\")";
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );

        PatternDescr pattern = (PatternDescr) parser.fact( null );
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