From: ian martins <ianxm@jhu.edu>
To: John Herrlin <jherrlin@gmail.com>
Cc: Org-Mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: [PATCH] ob-java
Date: Tue, 20 Oct 2020 22:37:21 -0400 [thread overview]
Message-ID: <CAC=rjb7kC_6-o7mPed0T+tguTBk+GLKWsYyYiNLv2OXSynXDXA@mail.gmail.com> (raw)
In-Reply-To: <87h7qohfm8.fsf@gmail.com>
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Thanks for testing, and thanks for pointing that out. I will fix it so that
`public` is optional.
btw, in your example you didn't have to specify `:classname` since you
defined the class name in the source block.
btw2, did you notice that you can C-c C-c on source blocks that don't have
main methods and it'll compile without error?
On Tue, Oct 20, 2020 at 3:17 PM John Herrlin <jherrlin@gmail.com> wrote:
>
> Hey,
>
> Did some debugging and found out that my class didn't contained =public=
> and the patch requires it to be.
>
> This works fine:
>
> #+HEADER: :classname Main
> #+HEADER: :dir src
> #+HEADER: :cmdline -classpath ./rxjava-1.3.8.jar:.
> #+HEADER: :cmpflag -classpath ./rxjava-1.3.8.jar
> #+BEGIN_SRC java :results output code
> import rx.Observable;
> public class Main {
> public static void main(String[] args) {
> Observable.range(5, 5)
> .subscribe(System.out::println);
> }
> }
> #+END_SRC
>
>
>
>
> ian martins <ianxm@jhu.edu> writes:
>
> > I noticed that the tests didn't run with "make test." This updates the
> > patch so that they can. I didn't add java to the list of default
> languages
> > because the java tests are slow.
> >
> > On Mon, Oct 5, 2020 at 9:23 AM ian martins <ianxm@jhu.edu> wrote:
> >
> >> I wrote those examples in an org file so I could test as I wrote them,
> and
> >> then exported it to make it more readable, but the export resulted in
> >> source block headers being lost. Here is the same without export:
> >> ----
> >> * Changes
> >>
> >> - support for functional mode (~:results value~)
> >> - accept variables
> >> - don't require package, class, and main definitions
> >> - write source and result tempfiles to ~org-babel-temporary-directory~,
> >> but respects the ~:dir~ header
> >> - work with tramp
> >>
> >> * Examples
> >> ** Example 1
> >> This outputs "hello." If class and main definitions aren't given the
> >> code block will be wrapped in generic ones.
> >>
> >> #+begin_src java :results output silent
> >> System.out.print("hello");
> >> #+end_src
> >>
> >> This is exactly equivalent:
> >>
> >> #+begin_src java :results output silent
> >> public class Main {
> >> public static void main(String[] args) {
> >> System.out.print("hello");
> >> }
> >> }
> >> #+end_src
> >>
> >> ** Example 2
> >> This also outputs "hello."
> >>
> >> #+begin_src java :results value silent
> >> return "hello";
> >> #+end_src
> >>
> >> ** Example 3
> >> This generates the class "Example" in the package "org.orgmode" in the
> >> current directory.
> >>
> >> #+begin_src java :results output silent :classname org.orgmode.Example
> >> :dir .
> >> System.out.print("hello, org-mode");
> >> #+end_src
> >>
> >> ** Example 4
> >> The "Hey" class defines a static method but no main. C-c C-c on the
> >> "Hey" source block will write "./org/orgmode/Hey.java" and compile it.
> >>
> >> The "Main" class calls the "Hey" class. C-c C-c on the "Main" source
> >> block will write "./org/orgmode/Main.java" and compile and run it.
> >>
> >> #+begin_src java :results output silent :dir .
> >> package org.orgmode;
> >>
> >> public class Hey {
> >> public static String say() {
> >> return "hey";
> >> }
> >> }
> >> #+end_src
> >>
> >> #+begin_src java :results output silent :dir .
> >> package org.orgmode;
> >>
> >> public class Main {
> >> public static void main(String[] args) {
> >> System.out.print(Hey.say());
> >> }
> >> }
> >> #+end_src
> >>
> >> Instead of C-c C-c, we could have added tangle headers and written the
> >> source files out by tangling.
> >>
> >> ** Example 5
> >> This prints the variable from the header
> >>
> >> #+begin_src java :var msg="hello, org-mode" :results output silent
> >> System.out.print(msg);
> >> #+end_src
> >>
> >> ** Example 6
> >> This prints "hello, org-mode." The table is provided to the method as a
> >> list of lists.
> >>
> >> #+name: table
> >> | message | hello, org-mode |
> >>
> >> #+begin_src java :var tbl=table :results output silent
> >> System.out.print(tbl.get(0).get(1));
> >> #+end_src
> >>
> >> ** Example 7
> >> This example returns a list.
> >>
> >> Note that you're allowed to specify imports without defining the class
> >> or main methods.
> >>
> >> #+begin_src java :results value :exports both
> >> import java.util.Arrays;
> >>
> >> return Arrays.asList("message", "hello, org-mode");
> >> #+end_src
> >>
> >> #+RESULTS:
> >> | message | hello, org-mode |
> >>
> >> On Mon, Oct 5, 2020 at 8:35 AM ian martins <ianxm@jhu.edu> wrote:
> >>
> >>> 1 Changes
> >>> =========
> >>>
> >>> - support for functional mode (`:results value')
> >>> - accept variables
> >>> - don't require package, class, and main definitions
> >>> - write source and result tempfiles to
> >>> `org-babel-temporary-directory', but respects the `:dir' header
> >>> - work with tramp
> >>>
> >>>
> >>> 2 Examples
> >>> ==========
> >>> Some examples follow. See the tests for more examples. I'll write
> >>> proper docs after review.
> >>>
> >>> 2.1 Example 1
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This outputs "hello." If class and main definitions aren't given the
> >>> code block will be wrapped in generic ones.
> >>>
> >>> ,----
> >>> | System.out.print("hello");
> >>> `----
> >>>
> >>> This is exactly equivalent:
> >>>
> >>> ,----
> >>> | public class Main {
> >>> | public static void main(String[] args) {
> >>> | System.out.print("hello");
> >>> | }
> >>> | }
> >>> `----
> >>>
> >>>
> >>> 2.2 Example 2
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This also outputs "hello."
> >>>
> >>> ,----
> >>> | return "hello";
> >>> `----
> >>>
> >>>
> >>> 2.3 Example 3
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This generates the class "Example" in the package "org.orgmode" in
> the
> >>> current directory.
> >>>
> >>> ,----
> >>> | System.out.print("hello, org-mode");
> >>> `----
> >>>
> >>>
> >>> 2.4 Example 4
> >>> ~~~~~~~~~~~~~
> >>>
> >>> The "Hey" class defines a static method but no main. C-c C-c on the
> >>> "Hey" source block will write "./org/orgmode/Hey.java" and compile
> it.
> >>>
> >>> The "Main" class calls the "Hey" class. C-c C-c on the "Main" source
> >>> block will write "./org/orgmode/Main.java" and compile and run it.
> >>>
> >>> ,----
> >>> | package org.orgmode;
> >>> |
> >>> | public class Hey {
> >>> | public static String say() {
> >>> | return "hey";
> >>> | }
> >>> | }
> >>> `----
> >>>
> >>> ,----
> >>> | package org.orgmode;
> >>> |
> >>> | public class Main {
> >>> | public static void main(String[] args) {
> >>> | System.out.print(Hey.say());
> >>> | }
> >>> | }
> >>> `----
> >>>
> >>> Instead of C-c C-c, we could have added tangle headers and written
> the
> >>> source files out by tangling.
> >>>
> >>>
> >>> 2.5 Example 5
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This prints the variable from the header
> >>>
> >>> ,----
> >>> | System.out.print(msg);
> >>> `----
> >>>
> >>>
> >>> 2.6 Example 6
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This prints "hello, org-mode." The table is provided to the method as
> >>> a list of lists.
> >>>
> >>> message hello, org-mode
> >>>
> >>> ,----
> >>> | System.out.print(tbl.get(0).get(1));
> >>> `----
> >>>
> >>>
> >>> 2.7 Example 7
> >>> ~~~~~~~~~~~~~
> >>>
> >>> This example returns a list.
> >>>
> >>> Note that you're allowed to specify imports without defining the
> class
> >>> or main methods.
> >>>
> >>> ,----
> >>> | import java.util.Arrays;
> >>> |
> >>> | return Arrays.asList("message", "hello, org-mode");
> >>> `----
> >>>
> >>> message hello, org-mode
> >>>
> >>
>
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next prev parent reply other threads:[~2020-10-21 2:38 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-05 12:35 [PATCH] ob-java ian martins
2020-10-05 13:23 ` ian martins
2020-10-09 11:15 ` ian martins
2020-10-20 18:28 ` John Herrlin
2020-10-20 19:17 ` John Herrlin
2020-10-21 2:37 ` ian martins [this message]
2020-10-21 5:59 ` John Herrlin
2020-10-21 12:47 ` ian martins
2020-10-21 13:54 ` John Herrlin
2020-10-22 12:23 ` ian martins
2020-10-22 12:56 ` John Herrlin
2020-10-24 17:05 ` Kyle Meyer
2020-10-25 2:10 ` ian martins
2020-10-25 2:40 ` Kyle Meyer
2020-10-25 19:36 ` ian martins
2020-11-05 16:29 ` Jarmo Hurri
2020-11-05 17:10 ` ian martins
2020-11-06 5:21 ` Jarmo Hurri
2020-11-06 23:00 ` ian martins
2020-11-09 14:06 ` Jarmo Hurri
2020-11-10 13:14 ` ian martins
2020-11-10 6:29 ` Jarmo Hurri
2020-11-14 11:47 ` Jarmo Hurri
2020-11-14 15:46 ` ian martins
2020-11-15 4:36 ` Jarmo Hurri
2020-11-17 12:07 ` ian martins
2020-12-14 5:55 ` Bastien
2020-11-11 7:45 ` Bastien
2020-10-24 11:58 ` Bastien
2020-10-25 0:30 ` ian martins
2020-10-28 9:13 ` Bastien
2020-10-31 11:03 ` ian martins
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