AbstractPQLQuery.java 文件源码

protected Set<PQLTask> interpretTasks(ParseTree tree) {
    ParseTree child = tree.getChild(0);

    if (child instanceof RuleNode) {
        int ruleIndex = ((RuleNode)child).getRuleContext().getRuleIndex();

        switch (ruleIndex) {
            case PQLParser.RULE_varName:
                return this.interpretVarNameSetOfTasks(child);
            case PQLParser.RULE_setOfAllTasks:
                return this.interpretSetOfAllTasks(child);
            case PQLParser.RULE_setOfTasksLiteral:
                return interpretSetOfTasksLiteral(child);
            case PQLParser.RULE_setOfTasksConstruction:
                return interpretSetOfTasksConstruction(child);
            case PQLParser.RULE_setOfTasksParentheses:
                return interpretSetOfTasksParentheses(child);
        }   
    }

    return new HashSet<PQLTask>();
}