Package org.antlr.runtime

Examples of org.antlr.runtime.TokenStream

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    public void testNotContains() throws Exception {
        final String text = "City( $city : city )\nCountry( cities not contains $city )\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 );
        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );
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    public void testNotMatches() throws Exception {
        final String text = "Message( text not matches '[abc]*' )\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 );
        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );
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    public void testAccessorPaths() throws Exception {
        final String text = "org   .   drools/*comment*/\t  .Message( text not matches $c#comment\n. property )\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 );
        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );
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    public void testRuleParseLhs2() throws Exception {
        final String text = "Message( Message.HELLO )\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 );
        assertTrue( parser.hasErrors() );
    }
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    public void testRuleSingleLine() throws Exception {
        final String text = "rule \"another test\" salience 10 when eval( true ) then System.out.println(1); end";
        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( 10 );
        RuleDescr rule = parser.rule();

        assertFalse( parser.hasErrors() );
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    public void testRuleTwoLines() throws Exception {
        final String text = "rule \"another test\" salience 10 when eval( true ) then System.out.println(1);\n end";
        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( 10 );
        RuleDescr rule = parser.rule();

        assertFalse( parser.hasErrors() );
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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 );
        if ( parser.hasErrors() ) {
            System.err.println( parser.getErrorMessages() );
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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 );
        if ( parser.hasErrors() ) {
            System.err.println( parser.getErrorMessages() );
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    // convenience method because everybody needs this piece of code
    public static CmisQueryWalker getWalker(String statement) throws UnsupportedEncodingException, IOException, RecognitionException {
        CharStream input = new ANTLRInputStream(new ByteArrayInputStream(statement.getBytes("UTF-8")));
        TokenSource lexer = new CmisQlStrictLexer(input);
        TokenStream tokens = new CommonTokenStream(lexer);
        CmisQlStrictParser parser = new CmisQlStrictParser(tokens);
        CommonTree parserTree; // the ANTLR tree after parsing phase

        query_return parsedStatement = parser.query();
//        if (parser.errorMessage != null) {
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        if (uid == null || uid.trim().length() == 0)
            return null;

        CharStream stream = new ANTLRStringStream(uid);
        UdlLexer lexer = new UdlLexer(stream);
        TokenStream tokenStream = new CommonTokenStream(lexer);
        UdlParser parser = new UdlParser(tokenStream);
        return parser.uid();
    }
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