Code Quality Rank: L3
Monthly Downloads: 4
Programming language: Java
License: LicenseRef-GPL

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SugarJ Eclipse plugin (recommended)

Visit the SugarJ web site http://sugarj.org


  1. Install Eclipse (follow instructions on eclipse.org).
  2. Start Eclipse.
  3. In Eclipse, select 'Install New Software' in the 'Help' menu.
  4. In the 'work with' field, copy the SugarJ update site http://update.sugarj.org and hit enter.
  5. Be sure to deselect the 'Group items by category' checkbox on the bottom of the window.
  6. Select the latest instance of Sugarclipse and click continue. This will install the SugarJ compiler, Spoofax and the Sugarclipse plugin.

In addition, please ensure enough stack space (about 4-16 MB) is available for the SDF parser. You can set the stack space of your Java runtime using the -Xss16m command line argument when starting Eclipse or setting -Xss16m in your eclipse.ini file.

Setting up a SugarJ project

  1. Create a new Java project.
  2. As for now, we need to register the SugarJ builder for this project by hand: Open your project's '.project' file in any text editor and replace the Java build command by the following code: org.sugarj.editor.SugarJBuilder
  3. We're ready to go. Note: SugarJ source files must have the file extension ".sugj".

SugarJ standalone compiler

Precompiled Java binaries: http://sugarj.org/binaries/

Installing SugarJ

The SugarJ compiler is self-contained and only requires an installation of a Java runtime version 6 or higher. Download sugarj.zip and extract it to a location of your choice. The directory structure of the archive is as follows.

  bin/              Scripts to invoke SugarJ
    sugarj          Compiler for *nix
    sugarj.bat      Compiler for Windows
    sugh            Alias of `sugarj -l haskell` for *nix
    sugh.bat        Alias of `sugarj -l haskell` for Windows
    sugj            Alias of `sugarj -l java` for *nix
    sugj.bat        Alias of `sugarj -l java` for Windows
  case-studies/     Sample SugarJ projects
  lib/              The back end
  README.md         This file

Invoking SugarJ

If the current directory is your working directory containing the source files, calling SugarJ is very easy:

bin/sugarj -l java closures/Test.sugj

The -l flag is necessary to specify your host language of choice. Currently, we support Haskell, Java, and Prolog.

If your source files are located in case-studies/closure/src, you can invoke the compiler like this on *nix:

bin/sugarj -l java                       \
  --sourcepath case-studies/closures/src \
  -d           case-studies/closures/bin \
  concretesyntax/Test.sugj               # file(s) to compile relative
                                         # to sourcepath

On Windows:

bin\sugarj -l java                       ^
  --sourcepath case-studies/closures/src ^
  -d           case-studies/closures/bin ^

The generated Test.class may be executed thus:

java -cp case-studies/closures/bin concretesyntax.Test

Compiler options

--atomic-imports         Parse all import statements simultaneously.
--cache <arg>            Specifiy a directory for caching.
--cache-info             Show where files are cached
-cp,--buildpath <arg>    Specify where to find compiled files. Multiple
                           paths can be given separated by ':'.
-d <arg>                 Specify where to place compiled files
--full-command-line      Show all arguments to subprocesses
--gen-files              Generate files?
--help                   Print this synopsis of options
-l,--language <arg>      Specify a language library to activate.
--no-checking            Do not check resulting SDF and Stratego files.
--read-only-cache        Specify the cache to be read-only.
--silent-execution       Try to be silent
--sourcepath <arg>       Specify where to find source files. Multiple
                           paths can be given separated by ':'.
--sub-silent-execution   Do not display output of subprocesses
-v,--verbose             Show verbose output
--write-only-cache       Specify the cache to be write-only.