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README.md

vimside

Vim Scala IDE (VimSIde) built upon ENSIME


Introduction

This is an alpha release of Vimside, a Vim Scala IDE. Most of the ENSIME capabilities have been implemented and but it has only been tested against the very small Scala/Java test source project bundled with it.

Three outstanding Ensime features to be implemented are more regression tests, debugging and InSynth integeration.

I added variable at bottom of the plugin/vimside.vim file which allows one to turn on logging during Vimside Option loading. For the Vimside logger, Options must first be loaded in order to configure it. Thus, no logging when loading Options. So, I added a non-configurable logger that only logs in the vimside#options#manager.vim file. Hopefully, this will help users figure out whats happening during option loading.

Also, the example project code has been moved under the directory data/vimside/projects - since there are now two example projects and will be a couple more in the future. Additionally, the tests have been moved under data/vimside/tests. I will be adding more unit/regression tests in the future.

Latest checkin

Now Vimside supports either initialization with the Option files 'options_user.vim' and a project specific options file (and/) or with Properties file 'vimside.properties' and a project specific properties file. See the 'data/vimside/PROPERTIES' file for available Properties (or, changing '.' to '-', Options). Also, bumped (after a long time, the version number.

Just checking in of a snapshot of work in progess: the actwin.vim (ActionWindow) code.

Updated "sbt" project build.sbt example file and now allow Option enum values to be Vim patterns (e,g., vimside-scala-version == 2.10.*).

ShowErrorAndWarning (Compiling by directly invoking the Scala compiler or via SBT) can use ActWin (the default) and is configurable with, again, a myriad of Options. The PROPERTIES file contains the new Options (see tailor-show-errors-and-warning-actwin-... Options).

UsesOfSymbolAtPoint use of ActWin is now configurable with a myriad of Options (some 100 Options) covering definition of commands (mapping, command and abbreviations) controlling Scala and ActWin navigation; Options for how information is displayed in the Scala and ActWin windows and Options for highlights and signs. Now, by default, the "uses_of_symbol_at_point" uses the ActWin. For all available Options, see the newly added PROPERTIES file. Four new Option "kind"s have been defined supporting Option String types specialized for "commands", "highlight" definitions, highlight "group" names and "highlight" or "group" name. As examples (see PROPERTIES file), the (current) default value of 'tailor-actwin-display-actwin-cursor-line-highlight' is "cterm=bold ctermfg=DarkYellow ctermbg=Cyan" and the (current) default value of 'tailor-actwin-display-scala-color-line-kinds-marker-linehl' is "Search" (a highlight group name). In the future, rather than using the existing options_project.vim and options_user.vim files, Options will be able to be set using a (standard Java format) properties file. While some code to do this has been checkin, it has not been extensively tested.

ActWin's behavior is defined by the client that creates an instance.

The UsesOfSymbolAtPoint can now use ActWin (as alternate to Quickfix window).

Options: 'tailor-uses-of-symbol-at-point-window' : 'actwin' (default) or 'quickfix'

Per use of the ActWin, there are numerous Options. For now this is an initial set that control how lines in Scala files and in the ActWin itself are highlighted:

Use sign in Scala files (all lines highlighted at once): 'tailor-uses-of-symbol-at-point-use-actwin-display-scala-sign-enable' : 0 or 1

Use a (sign-based) color line in Scala files (current line only): 'tailor-uses-of-symbol-at-point-use-actwin-display-scala-color-line-enable' : 0 or 1

Use a color column in Scala files (current column only): 'tailor-uses-of-symbol-at-point-use-actwin-display-scala-color-column-enable' : 0 or 1

Use a cursor line in ActWin (current line only): 'tailor-uses-of-symbol-at-point-use-actwin-display-actwin-cursor-line-enable' : 0 or 1

Use a highlight line in ActWin (current line only): 'tailor-uses-of-symbol-at-point-use-actwin-display-actwin-highlight-line-enable' : 0 or 1

Use a (sign-based) color line in ActWin (current line only): 'tailor-uses-of-symbol-at-point-use-actwin-display-actwin-sign-enable' : 0 or 1

Ultimately all ActWin commands and highlight features (colors and text) will be Option based.

Added delete entry commands to ActWin. Merged the options default.vim file into the defined.vim file. Added highlight parsing code. Changed functions to return error message rather than throw exceptions. Added cterm/gui color management code. Clean up DoToggleCmds function so that on exit mappings, commands and abbrs are removed. Fixed property file reader so that values can be Dictionaries. Toggling Actwin "scala" and "actwin" features can now be done with Option based :map, :cabbr and :command. Got color cursor toggling working. Got color cursor working. Invoking built-in command overrides no longer are placed in the command line history. Fixed both window/source display rendering. Scala window per-line sign highlighting option now supported. Fixed , , toggle keys. Options can now be defined in property files.

Can print out current Options as properties.

Added logging warning messages.

Now property.vim file reading code mirrors Java's Properties code.

Added property.vim which can convert properties to Options.

Added "sign" base highlighting to actwin text.

Generalized the definition and create to both "source" and "actwin" commands (keymap cmds, leader-based cmds and the redefinition of existing cmds using abbreviations).

Added key_map, builtin_cmd and user_cmd "fasthelp" toggle displays using <F2>, <F3> and <F4>.

Added ActWin client-defined help and keymappings.

Added multi-line content support.

As an Option, the actwin will allow for an alternate way to visualize and act upon compiler error from standard quickfix; but, quickfix will, as an Option, still be available. Use of actwin is not documented nor does any code actually use it yet, but a flavor of how it might work can be seen by executing:

    vimside#actwin#TestQuickFix()

Go to the project: data/vimside/projects/simple, "vi src/main/scala/com/megaannum/Foo.scala" and then call the above function.

See the functions:

    MakeKeyMappings
    MakeUserCommands
    MakeOverrideCommands

for some mappings.

Previous checkin

Make sure when 'sign' definition is added via vimside#sign#AddCategory that the data has an 'ids' entry. Made sure that when a 'sign' Clear function is called that the associate id is removed from the 'ids' Dictionary. There is now an Option, 'sign-start-place-id' with default value 2656 which is the value of the first 'sign' id. Subsequent ids are one greater than there predecessor.

The latest checkin included an initial (un-tested and thus not usable) snapshot of the debug code along with a "sign" module that supports quickfix window, location window and debug breakpoint visualization. Each "sign" has (currently) three (manditory) attributes that can be set by the Vimside user: linehl, text and texthl (icon not support yet). A "sign" has a "kind" and a "category". For the quickfix window, compile errors, etc., the "category" is "QuickFix" and the "kinds" are "error", "warn", "info" and "marker". So, that is 4 kinds of signs where each sign has 3 attributes which means for "QuickFix" there are 12 Options that control how things can be displayed. The "LocationList" window category has two kinds: "info" and "marker" and, thus, has 6 Options. The "Debug" category has kinds: "active", "pasive" and "marker" for 9 Options - but, again, the debug code is untested.

A "marker" kind is used to indicate the starting or current cursor position and can be enabled/disabled via Option for the 'uses of symbol at point' command.

In addition, for each part of Vimside that can use the new sign feature there is an Option used to determine if signs should be generated.

The new sign capability can be used during the display of QuickFix compile errors for both normal and SBT compiles. And, it can be used as part of the action "use of symbol at point" command

List all references to the symbol under the cursor.
autocmd FileType scala nmap <silent> <Leader>vr :call vimside#command#UsesOfSymbolAtPoint()<CR>

New Options and default values:

quickfix

    'sign-quickfix-error-linehl'       'Error'
    'sign-quickfix-error-text'         'E>'
    'sign-quickfix-error-texthl'       'Todo'

    'sign-quickfix-warn-linehl'        'StatusLine'
    'sign-quickfix-warn-text'          'W>'
    'sign-quickfix-warn-texthl'        'Todo'

    'sign-quickfix-info-linehl'        'DiffAdd'
    'sign-quickfix-info-text'          'I>'
    'sign-quickfix-info-texthl'        'TODO'

    'sign-quickfix-marker-linehl'      'Search'
    'sign-quickfix-marker-text'        'M>'
    'sign-quickfix-marker-texthl'      'Ignore'

locationlist

    'sign-locationlist-info-linehl'    'DiffAdd'
    'sign-locationlist-info-text'      'I>'
    'sign-locationlist-info-texthl'    'TODO'

    'sign-locationlist-marker-linehl'  'Search'
    'sign-locationlist-marker-text'    'M>'
    'sign-locationlist-marker-texthl'  'Ignore'

debug

    'sign-debug-active-linehl'         'DiffText'
    'sign-debug-active-text'           'A>'
    'sign-debug-active-texthl'         'SpellCap'

    'sign-debug-pending-linehl'        'DiffAdd'
    'sign-debug-pending-text'          'P>'
    'sign-debug-pending-texthl'        'DiffDelete'

    'sign-debug-marker-linehl'         'Search'
    'sign-debug-marker-text'           'M>'
    'sign-debug-marker-texthl'         'Ignore'


sbt
  tailor-sbt-use-signs                 '1'

show-errors-and-warnings
  tailor-show-errors-and-warnings-use-signs '1'

full-typecheck-finished
  tailor-full-typecheck-finished-use-signs '1'

uses-of-symbol-at-point
  tailor-uses-of-symbol-at-point-use-signs '1'
  tailor-uses-of-symbol-at-point-use-sign-kind-marker '1'

  tailor-uses-of-symbol-at-point-window
      quickfix (default)
      mixed

Previous checkin

With this checkin, there are features to expore running multiple Vim processes connected to the same Ensime Server.

Vimside has been tested with multiple Vim processes. One Vim can start the Ensime Server (normal start command) and a second Vim editor (not window, but another Vim process) in the same project is asked to start the Ensime server ('<Leader> vs'), it will find the Ensime port file and simply connect to the already running server. This seems to work with the caveats:

- If the configuration is to stop the server when Vim is exited,
then when the Vim editor that started the server exits, then
the server is stopped even if other Vim editor are still connected
to it. Have to implement some kind of Vim connection counter if
this becomes an issue.

- If the Ensime configuration file is changed between starting the
first and second Vim, things might not work (since the Ensime 
server will only know about the configuration that the first
Vim process passed to it).

If the configuration is that the Ensime server is not stopped when the launching Vim process is exited, then any Vim process that connects to the server can explicitly generate the stop server command ('<Leader> vS') to kill the server (or using 'ps' and 'kill -9').

Previously, when Vim stopped, the Ensime server was stopped (with a call to shut it down). Now, this is optional. There is a new Options 'ensime-shutdown-on-vim-exit' which if set to true (1), then the old behavior is seen; the Ensime server is shutdown when the Vim editor is exited. But, now if the Option is false (0), then when Vim stops, the Ensime server is not stopped. To stop the server one must explicitly issue the command: nmap <Leader>vS :call vimside#command#StopEnsime() This lets one save the running server between Vim sessions and, in addition, allows one to use multiple Vim processes to edit the same project's files. To enable this, Vimside was also changed so that if it finds an Ensime port file, rather than start Ensime it reads the file, gets the port, and tries to connect to Ensime. If this fails, then it starts Ensime. A note of caution, if you change your Ensime config file between Vim invocations but do not re-start the Ensime server, the second Vim invocation will be talking to an Ensime server which is out of sync. Default value for this Options is true, the old behavior - shutdown Ensime when Vim exits.

Add Option 'vimside-log-file-use-pid'. If true then current Vim process id is a suffix to the log file name. Useful when you have more than one Vim process or if you are running a series of tests on Vimside code and wish to generate separate log file for each test. Default is false, no pid suffix.

Add Option 'ensime-log-file-use-pid'. If true then the Ensime log file as a suffix has the process id of the Vim process that started it. Useful to coordinate Ensime log files with Vim process that launched the server. Default is false, no pid suffix.

Removed the call to vimside#scheduler#ClearAuto during shutdown; the function did not exist.

The Option 'tailor-sbt-error-read-size' is used as the size of the socket buffer used to read results returned by a SBT compile request. This should be large enough to read all of the errors. If it is too small, then only a partial read occurs and the code that converts the errors to Quickfix window entries may fail. Default value is 10000 which, hopefully, is big enough for most SBT compile error results.

The Option 'vimside-port-file-wait-time' is the time to wait after starting the Ensime Server before attempting to read the port file generated by the server (the port is the server socket port). Default is 4 seconds, but anywhere from 0 to 5 seconds might be OK.

Type Inspector checkin

An earlier checkin, there is the first cut of the Type and Package Inspector. There will certainly be bugs. For types, place cursor over type and enter <Leader>ti. For package, place cursor over package path and enter <Leader>tp. Do not know if the project package inspector works yet.

Inspector keymaps:

<Leader>ti   inspect type (cursor over type)
<Leader>tp   inspect package (cursor over package path at top of file)
<Leader>to   inspect project package 

Inspector control:

In inspector pressing <F1> gets help.
<Leader> q      : quit
<Leader> <CR>   : inspect type at point
<Leader> <TAB>  : next type
<Leader> <C-n>  : next type
<Leader> <S-TAB>: previous type  (S-TAB may not work)
<Leader> <C-p>  : previous type
<Leader> n      : next history
<Leader> p      : previous history

Entering and leaving Type Inspector multiple times has not been tested very much.

There is now included support for SBT (simple build tool). The test project is in the data/tests/sbt directory. The plugin/vimside.vim file has key mappings for functions that start, compile, clean, package and exit from the SBT.

I have checked the source into github primarily so that the source is somewhere other than on my local machines. I expect to continue to update the sources on github frequently, flushing out the features.

Current Supported Ensime Commands:

feature description implementations
Start Ensime makes sure that the current environment and Option settings are correct and then launches the Ensime backend server. The Ensime server writes a file where it puts the socket port that its client should use. Vimside reads that file, gets the port number, and provides Ensime with configuration information. 1
Stop Ensime There is also an autocmd that will kill the Ensime server when the user exists Vim. 1
Map <Tab> to Omni-Code Completion in insert mode This mapping maybe overridden by the mapping is some other plugin (like a snipmate binding), So, if it does not seem to work for you list the current mappings and see what is overriding it. Very Useful. 1
Symbol At Point With cursor on variable, jump to the definition of its symbol. One can easily jump back and forth. The Emacs key binding uses the Meta key. In GVim I could get this to work and so in GVim the key mapping mirrors the Emacs Ensime key binding. But, with Vim in an XTerm, I could not get the Meta/Alt key to be recognized (and there is NO single place where there is a definitive, failsafe guide for getting Meta/Alt key mappings to work, so I have a different binding for Vim. Very useful. 1
Selection Expand/Contract Select the surrounding syntactic context and easily shrink/grow the selection. 2
Global Public Search Search for method or types through project code using space separated search terms. Useful. 1
Hover To Symbol Place cursor (or mouse) over a variable and its Symbol will be displayed. Cute but requires frequent server polling. 3
Open Browser Info With cursor over Scala/Java variable, type, etc. invoke the associated on-line web api documentation (if it exists). Useful. 1
Use of Symbol At Point List all references to the symbol under the cursor. Very useful. 1
Simple Build Tool Switch to the sbt command-line (works for sbt projects only) 2
Launch Repl Switch to the Scala interpreter, with project classes in the classpath. TBD: cut/paste code fragments into Repl. 1
Typecheck Current File Typecheck the current file and display errors and warnings. Very useful. 1
Typecheck All Files Typecheck the all files and display errors and warnings. Very useful. 1
Re-Show Errors/Warnings Show all errors and warnings in the project. Very useful. 1
Format Source Format the current Scala source file. Useful. 1
Refactoring Rename the symbol at point. Organize imports. Extract local. Extract method. Inline local. Add import for type at point. Import suggestions. Useful. 1
Building Build the entire project. Rebuild the project incrementally. Useful. 1
Popup Menu Bring up Popup menu with all Vimside commands (requires Forms library). Useful for folks who have not yet learned the key mappings. 1
Browse Source Roots Directory browser of project sources (project code base). 2
Browse Reference Source Roots Directory browser of project reference sources (Java and Scala libraries). 2
Option Viewer/Editor Bring up the Option Viewer/Editor (requires Forms library). Lets one see all of the Vimside configurable Options and their current value. To be implemented will be an Editor allowing for the modification of some "dynamic" Options at runtime. 1
Completions OmmiCompletions using <c-x><c-o>.Very Useful. 1
Package Inspector Inspect imported package, current file's package and the package specified in the ensime configuration :package. Very Useful 1
Type Inspector Click on type and see information, Click on information and see its information. Move about Inspector history. In Inspector help . Very Useful 1

Ensime Capabilities to be Supported:

feature description
Scalex Seems to be a dead project (see: http://scalex.org/)
Run Application
Debug Application Start and run the debugger. Start and run the debugger. Set a breakpoint. Clear a breakpoint. Step. Step over. Step out. Continue from a breakpoint. Kill the debug session. Inspect the local variable at cursor. Show backtrace.
Others...

Installation

Download

One can download a zip snapshot or use a Vim plugin manager (such as VAM).

Dependency

Vimside depends upon Vimproc GitHup for a C-language binding to sockets (and, thus to the Ensime server) and Vimshell GitHup for launching and managing communications with the Scala Repl.

Vimside Directory layout

After unpacking the Vimside directory layout should look like:

$HOME/.vim/
  autoload/
    vimside.vim
    vimside/
      " vimside code
  data/
    " data that persists between invocations of a plugin
    vimside/
        " examples, local test Scala/Java source tree
  doc/
    vimside.txt
  plugin/
    vimside.vim

Intalling from Vim.org

Anyway, to get the Vimside zip file from vim.org go to http://www.vim.org/scripts/script.php?script_id=4298 and download the latest version. Unzip it in your .vim or vimfiles directory.

Now, Vimside depends upon Vimshell and Vimproc. It is recommended that you get the latest releases of these since they both were modified to add some support for capabilities identified while creating Vimside. They are located at: Vimproc Vimshell Download them both and unzip them.

For Vimproc, there is an additional step because it includes a C-language library. You must compile the library for your machine. Vimproc comes with a number of make-files. Pick the right one and build the library. Since Vimside is for Scala programmers, I expect that building a C-library with a supplied makefile will not be too challenging :-)

In addition, Vimside can be configured so that it can use the Vim Forms and Self libraries. The latest version of these can be gotten from github or you can get released versions from vim.org: Self Forms

For most of the Vimside commands there are associated Options that configure how the command can be used. Many such Options allow the user to run one of multiple possible implementations. In particular, there might be a "native" Vim, non-Forms-based solution and also a Forms-based solution. The Forms-based solution is built upon "native" Vim but requires the downloading of the above two libraries: Self and Forms. Each such command with multiple implementations can be configure individually to use or not use Forms.

What's more, the Forms library allows one to used a popup menu (useful if you do not know all of the Vimside key-mappings yet). And, it is expected that the package-inspector and the type-inspector will only have Forms implementations - how to do a type-inspector otherwise might be a challenge.

Intalling with vim-addon-manager (VAM)

For more information about vim-addon-manager, see vim-addon-manager and Vim-addon-manager getting started

In your .vimrc, add self as shown below:

fun SetupVAM()

  ...

  let g:vim_addon_manager = {}
  let g:vim_addon_manager.plugin_sources = {}

  ....

  let g:vim_addon_manager.plugin_sources['self'] = {'type': 'git', 'url': 'git://github.com/megaannum/self'}
  let g:vim_addon_manager.plugin_sources['forms'] = {'type': 'git', 'url': 'git://github.com/megaannum/forms'}
  let g:vim_addon_manager.plugin_sources['vimproc'] = {'type': 'git', 'url': 'git://github.com/Shougo/vimproc'}
  let g:vim_addon_manager.plugin_sources['vimshell'] = {'type': 'git', 'url': 'git://github.com/Shougo/vimshell'}
  let g:vim_addon_manager.plugin_sources['ensime'] = {"type": "git", "url": "git://github.com/aemoncannon/ensime", "branch" : "scala-2.9"}
  let g:vim_addon_manager.plugin_sources['vimside'] = {'type': 'git', 'url': 'git://github.com/megaannum/vimside'}


  let plugins = [
    \ 'self',
    \ 'forms',
    \ 'vimproc',
    \ 'vimshell',
    \ 'ensime',
    \ 'vimside'
    \ ]

  call vam#ActivateAddons(plugins,{'auto_install' : 0})

  ...

endf
call SetupVAM()

Note that to use Vimside, the self and forms libraries above are optional. With the forms library, Vimside supports additional features such as a popmenu of commands and the type and package inspectors (not yet implemented).

Also, when one downloads Vimproc, you MUST go into the vimproc directory and build the C-language file proc.c using one of the supplied make files.

Now start Vim. You will be asked by vim-addon-manager if you would like to download and install the plugins.

Installing with pathogen

With pathogen, you just have to clone all required plugins into your ~/.vim/bundle directory. Running the following lines as a bash script will do exactly that.

#!/bin/bash

declare -a repos=( 
  "git://github.com/megaannum/self.git" 
  "git://github.com/megaannum/forms.git" 
  "git://github.com/Shougo/vimproc.git"
  "git://github.com/Shougo/vimshell.git"
  "-b scala-2.9 git://github.com/aemoncannon/ensime.git"
  "git://github.com/megaannum/vimside.git"
)

cd ~/.vim/bundle

for repo in "${repos[@]}"; do
    git clone $repo 
done;

Note that you also with pathogen have to run make on the appropriate make file inside the vimproc plugin directory.

Installing with Vundle

Vundle does not provide specific branch checkout yet. Thus after adding:

Bundle "megaannum/self"
Bundle "megaannum/forms" 
Bundle "Shougo/vimproc"
Bundle "Shougo/vimshell"
Bundle "aemoncannon/ensime"
Bundle "megaannum/vimside"    

You need to check out appropriate ensime branch by hand by running ie.

> git checkout scala-2.10

in ensime plugin directory managed by vundle (probably ~/.vim/bundle/ensime). Also you'll need to run make in vimproc directory.


Ensime Install

Download

Manual

In addition, for ENSIME, there are pre-built releases available at: https://www.dropbox.com/sh/ryd981hq08swyqr/V9o9rDvxkS/ENSIME%20Releases I highly recommend getting these (Scala 2.9.2 and/or 2.10.0) rather than trying to build the Ensime Scala code yourself.

Ensime is not a Vim plugin. It is a Scala program. It has to be installed and built or a pre-build version has to be used. Its source can be downloaded from: https://github.com/aemoncannon/ensime

One can the follow the instructions there and build it.

I have never done this. Rather, I have downloaded a pre-build bundle. One for Scala 2.9 and another for Scala 2.10.0. These can be found at: https://www.dropbox.com/sh/ryd981hq08swyqr/V9o9rDvxkS/ENSIME%20Releases

The Ensime build directory has the following layout using ensime_2.9.2-0.9.8.9 as an example:

ensime_2.9.2-0.9.8.9/
    bin/                 
    LICENSE
    elisp/
    lib/                 
    README.md

or ensime_2.10.0-0.9.8.9:

ensime_2.10.0-0.9.8.9/
    bin/  
    elisp/  
    lib/  
    LICENSE  
    README.md

It is important that the value of the vimside-scala-version Option agrees with the Ensime build version. For ensime_2.9.2-0.9.8.9 (the default value): call owner.Set("vimside-scala-version", "2.9.2") and for ensime_2.10.0-0.9.8.9: call owner.Set("vimside-scala-version", "2.10.0")

These values can be set in data/vimside/options_user.vim.

In addition, the version of Java ($JAVA_HOME/bin/java -version) in the window that runs Vim (or launched GVim) must agree with the value of the Option vimside-java-version. This Option has the default value of 1.6 and can be set, again, in data/vimside/options_user.vim: call owner.Set("vimside-java-version", "1.6")

Having built Ensime or downloaded a pre-built package, you must set an Option in Vimside so that Vimside can locate the script used to start the Ensime server. To set a Vimside Option, you must copy the example_options_user.vim located in data/vimside to a file called options_user.vim and edit it.

There is two different ways to do this.

The first is to set the Option ensime-install-path to the location of downloaded Ensime source. If you use the VAM plugin manager, then Ensime will be in the directory: $HOME/.vim/vim-addons/ensime or $HOME/vimfiles/vim-addons/ensime so you would set the Option accordingly:

call owner.Set("ensime-install-path", $HOME . "/.vim/vim-addons/ensime")

or

call owner.Set("ensime-install-path", $HOME . "/vimfiles/vim-addons/ensime")`

If installed with pathogen, those paths are $HOME/.vim/bundle/ensime or $HOME/vimfiles/bundle/ensime

Then depending upon the name of the build directory, which is under the ensime-install-path Option value directory location, you would set the value of the Option ensime-dist-dir to that directory name. For example:

call owner.Set("ensime-dist-dir", "ensime_2.9.2-0.9.8.9")

or call owner.Set("ensime-dist-dir", "ensime_2.10.0-0.9.8.9")

Alternatively, you can specify the full path to the ensime distribution using the Option ensime-dist-path. As an example, if you installed an Ensime build package in some Scala directory, you might set the Option as:

call owner.Set("ensime-dist-path", $HOME . "/scala/ensime/ensime_2.9.2-0.9.8.9")`

If you set the ensime-dist-path, it is checked first and if it exists it is used rather than the ensime-install-path and ensime-dist-dir combination.

With SBT support, there is a SBT Plugin that supports integration with the ENSIME IDE: https://github.com/aemoncannon/ensime-sbt-cmd Follow the directions there and add

addSbtPlugin("org.ensime" % "ensime-sbt-cmd" % "VERSION")

to your ~/.sbt/plugins/plugins.sbt file Where "VERSION" it the version of Ensime supported which, as the ensime-sbt-cmd README.md states, is 0.1.1. So, the above should be:

addSbtPlugin("org.ensime" % "ensime-sbt-cmd" % "0.1.1")

Entering "ensime generate" while running sbt does indeed generate a ".ensime" file. I have not tested whether or not that generated file can actually be used by Vimside and passed to the backend Ensime server.


Usage

Look at the plugin/vimside.vim file for key mappings: how to start the Ensime server and the currently supported commands.

RECOMMENDED for initial testing: To run against test Scala/Java project, first in data/vimside directory copy example_options_user.vim to options_user.vim.

> cd $HOME/.vim/data/vimside
> /bin/cp example_options_user.vim options_user.vim

Then, in options_user.vim uncomment the following line:

call a:option.Set("ensime-config-file-name", "ensime_config.vim")

This tells Vimside to use the test project code and to use the ensime_config.vim as the source for Ensime Configuration.

If one want to have one or more projects then one will most likely want to have project specific Vimside configuration capabilities. There is an Option for that.

There is a single file to configure Vimside Options under .vim, data/vimside/options_user.vim. This is sufficient if you only have a single project on your machine. But, if you have or plan to have more than one projects on your machine you might want to have project specific option configuration files. There are two Options that control this.

The first Option is: vimside-project-options-enabled and if true (default is false), then Vimside will look for a configuration file with name given by the second Option: vimside-project-options-file-name.

The default value of the vimside-project-options-file-name Option is options_project.vim.

While in the options_user.vim file, an Option value is set using the Set function, e.g,:

call owner.Set("vimside-scala-version", "2.9.2")

In the options_project.vim file, the Option Update function must be used:

call owner.Update("vimside-scala-version", "2.10.0")

This is because Set can only be called once per-Option (while, Update can be called any number of times).

So, in the options_user.vim one might have:

call owner.Set("vimside-scala-version", "2.9.2")
call owner.Set("ensime-dist-dir", "ensime_2.9.2-0.9.8.9")
call owner.Set("ensime-config-file-name", "ensime_config.vim")

in a project file there might be:

call owner.Update("vimside-scala-version", "2.10.0")
call owner.Update("ensime-dist-dir", "ensime_2.10.0-0.9.8.9")
call owner.Update("ensime-config-file-name", "_ensime")

An alternative approach is to also treat the data/vimside/ test code as also a project, in that, it has its own options_project.vim file. To do this one must do the following:

1) In the options_user.vim file enable project local options files:

call owner.Set("vimside-project-options-enabled", 1)

While one can also uncomment/add addition option value setting, if one wants all projects to share some behavior or to set some default behavior (which can be over-ridden on a project-by-project basis), but enabling the above Option is all that is need in this file.

2) In the data/vimside directory create a options_project.vim such as:

" full path to this file
let s:full_path=expand('<sfile>:p')

" full path to this file's directory
let s:full_dir=fnamemodify(s:full_path, ':h')

function! g:VimsideOptionsProjectLoad(owner)
  let owner = a:owner

  "--------------
  " Enable logging
  call owner.Set("ensime-log-enabled", 1)
  call owner.Set("vimside-log-enabled", 1)
  "--------------

  "--------------
  " Defined Java versions: '1.5', '1.6', '1.7'
  " Defined Scala versions: '2.9.2', '2.10.0'
  " Minor version numbers not needed
  " Scala version MUST match 'ensime-dist-dir' used.
  call owner.Set("vimside-java-version", "1.6")
  call owner.Set("vimside-scala-version", "2.9.2")
  "--------------

  "--------------
  " Which build version of Ensime to use. 
  call owner.Set("ensime-dist-dir", "ensime_2.9.2-0.9.8.9")
  "--------------

  "--------------
  " To run against ensime test project code
  " Location of test directory
  call owner.Set("test-ensime-file-dir", s:full_dir)
  " The Ensime Config information is in a file called 'ensime_config.vim'
  call owner.Set("ensime-config-file-name", "ensime_config.vim")
  "--------------

  "--------------
  " Vimside uses Forms library 
  call owner.Set("forms-use", 1)
  "--------------

  "--------------
  " Hover Options
  call owner.Set("vimside-hover-balloon-enabled", 0)
  call owner.Set("vimside-hover-term-balloon-enabled", 0)
  "--------------
endfunction

This will instruct Vimside to use the "test" source code and configuration files.

3) In all your other projects on this machine, create their own project-specific 'options_project.vim' files.

This is a very flexible way of configuring Vimside.


Supported Platforms

Ought to work most everywhere


Tutorial

None available yet.


Acknowledgements and thanks

Aemon Cannon for writing Ensime! Daniel Spiewak has a JEdit binding to Ensime and a simply great video explaining why a true editor with Ensime is better than an Eclipse Ide (https://www.youtube.com/watch?v=cd2LV0xy9G8 MUST SEE) and usage examples (http://vimeo.com/28597033).

Jeanluc Chasseriau who wrote the python-based Envim Vim binding to Ensime: https://github.com/jlc/envim.

Sven Eigenbrodt provided the Pathogen installation information.

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