Examples with CommonTokenStream org.antlr.v4.runtime.CommonTokenStream used on opensource projects

Example 6 with CommonTokenStream

use of org.antlr.v4.runtime.CommonTokenStream in project siddhi by wso2.

the class SiddhiCompiler method parseFunctionDefinition.

public static FunctionDefinition parseFunctionDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.definition_function_final();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (FunctionDefinition) eval.visit(tree);
}

Example 7 with CommonTokenStream

use of org.antlr.v4.runtime.CommonTokenStream in project siddhi by wso2.

the class SiddhiCompiler method parseTimeConstantDefinition.

public static TimeConstant parseTimeConstantDefinition(String source) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(source);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.time_value();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (TimeConstant) eval.visit(tree);
}

Example 8 with CommonTokenStream

use of org.antlr.v4.runtime.CommonTokenStream in project siddhi by wso2.

the class SiddhiCompiler method parseStoreQuery.

public static StoreQuery parseStoreQuery(String storeQuery) throws SiddhiParserException {
    ANTLRInputStream input = new ANTLRInputStream(storeQuery);
    SiddhiQLLexer lexer = new SiddhiQLLexer(input);
    lexer.removeErrorListeners();
    lexer.addErrorListener(SiddhiErrorListener.INSTANCE);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SiddhiQLParser parser = new SiddhiQLParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(SiddhiErrorListener.INSTANCE);
    ParseTree tree = parser.store_query_final();
    SiddhiQLVisitor eval = new SiddhiQLBaseVisitorImpl();
    return (StoreQuery) eval.visit(tree);
}

Example 9 with CommonTokenStream

use of org.antlr.v4.runtime.CommonTokenStream in project SSM by Intel-bigdata.

the class TestSmartRuleParser method parseAndExecuteRule.

private void parseAndExecuteRule(String rule) throws Exception {
    System.out.println("--> " + rule);
    InputStream input = new ByteArrayInputStream(rule.getBytes());
    ANTLRInputStream antlrInput = new ANTLRInputStream(input);
    SmartRuleLexer lexer = new SmartRuleLexer(antlrInput);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SmartRuleParser parser = new SmartRuleParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(new SSMRuleErrorListener());
    ParseTree tree = parser.ssmrule();
    System.out.println("Parser tree: " + tree.toStringTree(parser));
    System.out.println("Total number of errors: " + parseErrors.size());
    SmartRuleVisitTranslator visitor = new SmartRuleVisitTranslator();
    visitor.visit(tree);
    System.out.println("\nQuery:");
    TranslateResult result = visitor.generateSql();
    int index = 1;
    for (String sql : result.getSqlStatements()) {
        System.out.println("" + index + ". " + sql);
        index++;
    }
    if (parseErrors.size() > 0) {
        throw new IOException("Error while parse rule");
    }
    ExecutionContext ctx = new ExecutionContext();
    ctx.setProperty(ExecutionContext.RULE_ID, 2016);
    DBAdapter dbAdapter = new DBAdapter(TestDBUtil.getTestDBInstance());
    RuleQueryExecutor qe = new RuleQueryExecutor(null, ctx, result, dbAdapter);
    List<String> paths = qe.executeFileRuleQuery();
    index = 1;
    System.out.println("\nFiles:");
    for (String path : paths) {
        System.out.println("" + index + ". " + path);
        index++;
    }
}

Example 10 with CommonTokenStream

use of org.antlr.v4.runtime.CommonTokenStream in project SSM by Intel-bigdata.

the class RuleStringParser method translate.

public TranslateResult translate() throws IOException {
    InputStream input = new ByteArrayInputStream(rule.getBytes());
    ANTLRInputStream antlrInput = new ANTLRInputStream(input);
    SmartRuleLexer lexer = new SmartRuleLexer(antlrInput);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    SmartRuleParser parser = new SmartRuleParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(new SSMRuleErrorListener());
    tree = parser.ssmrule();
    if (parseErrors.size() > 0) {
        throw new IOException(parserErrorMessage);
    }
    SmartRuleVisitTranslator visitor = new SmartRuleVisitTranslator(ctx);
    try {
        visitor.visit(tree);
    } catch (RuntimeException e) {
        throw new IOException(e.getMessage());
    }
    TranslateResult result = visitor.generateSql();
    return result;
}