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README for the Emacs Code Browser (ECB) version 2.21
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This package contains a code browser for several programming-languages for
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(X)Emacs. For instructions on how to use the browser read the online-help
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either with the shipped info-manual (see "Usage" below) or direct from the
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ECB-Homepage at http://ecb.sourceforge.net.
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The latest version can be found at: http://ecb.sourceforge.net
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ECB requires the following packages:
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- Semantic, author version between 1.4 and 1.4.9
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(http://cedet.sourceforge.net/semantic.shtml)
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- Eieio, author version between 0.17 and 0.17.9
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(http://cedet.sourceforge.net/eieio.shtml).
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- speedbar, author version 0.14beta1 or higher
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(http://cedet.sourceforge.net/speedbar.shtml)
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IMPORTANT: The speedbar-version shipped with GNU Emacs <= 21.3 does not
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satisfy the requirements - download and install a newer one!
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- Optional: If Java code is edited the ECB works best when the JDEE package
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(http://sunsite.auc.dk/jde) is installed.
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If you use XEmacs you must have installed the package c-support (contains
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hideshow.el). If you want to read the online-help of ECB in HTML-format you
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must have the library browse-url (part of the mail-lib XEmacs package)
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installed; this package is also needed for submitting problem-reports to the
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Using the beta of cedet 1.0 (contains semantic 2.0)
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---------------------------------------------------
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From beginning with version 2.01 ECB supports the next generation of the
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cedet-tools. But before the cedet 1.0 suite becomes stable this means that ECB
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runs correctly with loaded cedet 1.0 but the ECB-upgrading festure does not
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support autom. upgrading to latest available cedet versions. This will be
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first available after first stable release of the new cedet-library 1.0.
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So, if the cedet 1.0 suite is loaded then the min- and max-version of
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semantic, eieio and speedbar (mentioned in the Requirements-section above)
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*IMPORTANT*: The following steps 1. to 8. describe installation tasks if you
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got the archive in the format available at the ECB website. If you use XEmacs
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and got ECB as regular XEmacs-package (e.g. downloaded and installed by the
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package-manager of XEmacs) then there is nothing to do for you, just start ECB
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with `ecb-activate' or read the online-help with `ecb-show-help'.
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1. Unpack the ECB archive (probably you have already done this :-)
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2. Install the required semantic-, eieio- and speedbar-version.
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*Note 1*: If the new cedet 1.0 suite should be used then just install and
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load cedet 1.0 like described in the cedet-installation-instructions and go
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*Note 2*: ECB maybe requires a newer version of these libraries than shipped
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with (X)Emacs. You have to install exactly a version ECB requires and also
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to make sure that the correct version is loaded into (X)Emacs!
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But ECB performs two automatic checks:
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- At load-time: It checks if the packages semantic, eieio and speedbar are
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at least installed so ECB can be loaded. If not it offers to download
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- At start-time: It checks if the correct versions of semantic, eieio and
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speedbar are installed and gives you proper feedback.
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So if you are not sure if you have installed the required packages at all
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or if you have installed the correct versions of these packages then do
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not worry about this, just go on with the following installation steps: If
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ECB is missing something it will give you proper feedback and support not
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later than at load-time or start-time!
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3. Add the new ECB-directory to your `load-path' variable.
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You *MUST* add the ECB-install-directory to the `load-path' either by
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changing the `load-path' variable directly in your `.emacs' or
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`site-lisp/site-start.el' or by working with a file `subdirs.el'.
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*ATTENTION*: ECB is NOT properly installed if it's directory is not added
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to `load-path' and for example just loaded by
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(load-file "/path/to/ecb/ecb.el")
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4. Load ECB by adding code to your `.emacs':
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If you want to load the complete ECB at (X)Emacs-loadtime (Advantage: All
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ECB-options available after loading ECB). Disadvantage: Increasing
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If you want to load the ECB first after starting it by `ecb-activate'
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(Advantage: Fast loading. Disadvantage: ECB- and semantic-options first
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available after starting ECB):
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(require 'ecb-autoloads)
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This loads all available autoloads (e.g. `ecb-activate', `ecb-minor-mode',
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`ecb-show-help' or `ecb-byte-compile') of current ECB.
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ECB is now ready for use and can be activated by calling `M-x ecb-activate' or
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`ecb-minor-mode'. Now you can either starting using ECB or you can do these
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optional installation steps:
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6. Reading the online help with `ecb-show-help'
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Maybe you are interested to read the online-help of ECB before first start.
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7. Calling `ecb-byte-compile'
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This byte compiles ECB. You can safely ignore all messages. (You can also
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byte-compile ECB from the command-line either by using the `Makefile' or by
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using the batch-file `make.bat'. Just read the comments in that file you
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8. Installing the supplied `ecb.info'
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The ECB distribution contains a subdirectory "info-help" which contains the
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online-help of ECB in Info-format. You can install this online help so it's
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available in the Top-directory of Info. There are two ways to do this:
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- Use "install-info" (recommended):
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1. Copy the the files of the subdirectory "info-help" into the
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info-directory of Emacs
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2. Install the file "info-help/ecb.info" with the command "install-info"
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(if available on your system) in the `dir'-file.
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The supplied `Makefile' offers a target `install-help' which does both of
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these steps. You have just to call `make install-help' with the correct
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EMACSINFOPATH set (see the comment in `Makefile'). Here is an example:
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make EMACSINFOPATH=/path/to/emacs/info install-help
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- Manual Installation:
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Copy the files of the subdirectory "info-help" into the info-directory of
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Emacs and modify the file `dir' manually.
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But it doesn't matter if you do not execute this step (8.) because the
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online help of ECB is always available though, see `ecb-show-help'.
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Call "M-x ecb-activate" to activated ECB.
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Call "M-x ecb-customize-most-important" to get a list of the most important
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options of ECB. These are options you should at least know that they exist.
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Call "M-x ecb-show-help" to get a detailed online-help for ECB. If you are
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using ECB the first time you should read the online help accurately!
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Send comments, bug reports and improvement suggestions to:
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ecb-list@lists.sourceforge.net
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