Dear Martin, Mark, Konstantin and dev team, I highly appreciate you inputs and time. Its a great help for my project.
Thank You Sangeeta On Fri, May 20, 2016 at 5:38 PM, Konstantin Kolinko <knst.koli...@gmail.com> wrote: > 2016-05-20 13:01 GMT+03:00 sangeeta lal <sangeeta.6...@gmail.com>: > > Dear Sir, > > > > *Thanks for your reply!* > > > > Could you please tell me, if there is any listing about all the auto- > > generated files. I have manually identified 59 files in the folder " > > *tomcat\java\org\apache\el\parser*" which are auto generated. > > ELParser.jjt is the source. > > ELParser.java was generated. > Some helper classes (Node.java, SimpleNode.java, ..) are generated / > provided by the tool. > > The Ast* files - a stub was generated, but the rest is written by a > human developer. > > ELParser.html is a report from generation tool. > > > Java CC site has a manual, with examples. > https://javacc.java.net/doc/docindex.html > https://javacc.java.net/doc/JJTree.html > > In short, JavaCC is a lexical parser that can perform some Java code > when some lexical element is encountered. Coupling it with JJTree > turns that Java code into code that produces a tree of Node elements. > > The behaviour of those nodes it then programmed by a human. My > understanding is that by default those Ast classes have only a > constructor, but no other methods. Some methods are declared in > SimpleNode class and can be overridden in specific classes, e.g. > AstIdentifier overrides setImage(). > > Some of default classes were edited by adding additional methods. E.g. > methods with an EvaluationContext argument in SimpleNode class were > added. > > > > I have following two questions: > > > > 1. Can tomcat project have auto-generated files in some other folder > also? > > 2. Is the "JavaCC" only tool which is used to auto-generate the files ? > or > > there are some other tools as well? > > > > There are some classes from other projects that are preprocessed (by > renaming the packages) and recompiled. > > All versions of Tomcat do so for Apache Commons Logging library when > it is built as an "extras" package. > > See <target name="extras-commons-logging" in build.xml. It is just > textual replacement, with > > <replace > dir="${tomcat.extras}/logging/commons-logging-${commons-logging.version}-src/src/main/java/org/apache/commons" > encoding="ISO-8859-1"> > <replacefilter token="org.apache.commons" > value="org.apache.juli" /> > </replace> > > > > Older versions of Tomcat also did so for Apache Commons Pool and > Apache Commons DBCP libraries, but Tomcat 8.0 and later has an own > copy of those libraries in it source tree. > > > This is about *.java files. There is also documentation (xml -> html), > javadoc (java -> html). > > > The mailing list rules: > http://tomcat.apache.org/lists.html#tomcat-users > -> 6. Top-posting is bad. > > > Best regards, > Konstantin Kolinko > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org > For additional commands, e-mail: dev-h...@tomcat.apache.org > > -- Regards... Sangeeta Assistant Professor CSE Department @JIIT Noida
