DDD 3.2 is available -*- text -*- ******************** Release 3.2 of DDD, the Data Display Debugger, is now available. What is DDD? ============ DDD is a graphical front-end for command-line debuggers such as GDB, DBX, WDB, Ladebug, JDB, XDB, the Perl debugger, or the Python debugger. Besides ``usual'' front-end features such as viewing source texts, DDD has become famous through its interactive graphical data display, where data structures are displayed as graphs. There is more information available at the GNU DDD homepage at `http://www.gnu.org/software/ddd/'. What's new in DDD? ================== DDD 3.2 brings a new documentation and several minor improvements. DDD is now a GNU program ------------------------ - Starting with this release, DDD is an official GNU program, distributed by the Free Software Foundation. This brings a number of administrative changes: * DDD is distributed as source only using GNU FTP sites and mirrors. * The DDD WWW page is now `http://www.gnu.org/software/ddd/'. * The DDD mailing addresses are now `bug-ddd@gnu.org' (for bug reports) and `ddd@gnu.org' (for announcements, discussions, or anything else). You can subscribe to these lists by sending an e-mail to `bug-ddd-request@gnu.org' and `ddd-request@gnu.org', respectively. There will be a smooth transition from previous DDD resources to the new ones; subscribers of old mailing lists will be notified. Documentation ------------- - There is a new DDD manual, generated from Texinfo source, and coming in HTML, PDF, PostScript, Info, as well as plain text format. Debuggers and Languages ----------------------- - This release contains partial support for DEC's `ladebug' debugger. Please send in bug reports listing remaining problems. - Parsing of JDB data has been improved. - DBX prompts for object file names are recognized. User Interface -------------- - `Breakpoint Properties', `Define Command', and `Debugger Settings' have an `Apply' button that applies changes to text fields. - In TTY mode, you can edit and complete the command line as in GDB. (Uses GNU readline library.) - Ctrl+E moves the cursor to the end of the line. For a `Run' shortcut, use F2/F3 or Shift+Ctrl+E. - DDD uses the locale as specified by the environment (such as $LANG). This allows input of locale characters in DDD dialogs; error messages may also come up in your locale. If you experience any problems, set LANG=C when invoking DDD. Plotting -------- - If you have several indexed variables in a cluster (such as X[1], X[3], and X[5]), DDD plots the cluster as 2-D plot, where the X axis shows the index, and the Y axis shows the values. This is useful for plotting array slices (see below). Source Navigation ----------------- - Using GDB, `Open Source' no longer automatically reads all shared libraries of the debuggee; this took too much time with some programs. There is an additional button that loads libraries. Data exploration ---------------- - You can rotate structs, saving space by omitting the member names. A rotated struct looks very much like a horizontal array. - The last rotation setting is used for new displays and is saved together with other DDD options. - Array slices `ARRAY[FROM..TO]' are much better supported: * By default, the displayed values are clustered and displayed like an ordinary array. * Array slices can be plotted, too (see `Plotting', above). - You can use the FROM..TO notation in arbitrary values, and also multiple times; `graph display 1..5 * 1..5' creates a multiplication table. - To select multiple displays, it suffices that the selection rectangle touches a display (rather than enclosing it entirely). - The Display Editor has buttons for clustering and unclustering displays. Running the Program ------------------- - Breakpoint commands are also supported for DBX, Perl, and XDB. - In Perl, DDD supports temporary breakpoints. Settings -------- - DDD saves the GDB source directory path with the current session. - DDD saves the JDB class path only with the current session. Bug Fixes --------- - Auto-raised menus work much better (enabled by default). - The `floating' command tool now correctly follows movements of the main window under KDE and other window managers. - The register window is updated when the current frame changes. - Value tips of strings containing ` = ' are displayed correctly. - In file names, `//' is no longer normalized to `/'. This is useful for special file systems, where '//c/foo' is an alias for `c:\foo`. - Improved session management: `checkpoint sessions' not needed for shutdown (as initiated by GNOME) are automatically deleted after exiting DDD. - Improved auto-command recognition (includes saving displays across sessions) - [LessTif] Selecting all displays in the Display Editor now works. - [DBX] The array syntax `graph display [A..B]' works again for DBX. - [DBX] Redirection to the execution window with Sun DBX 4.0 no longer clutters program arguments. - [Perl] Selecting identifiers that represent large data structures no longer blocks DDD. - [JDB] Thread names with dashes are handled correctly. - [HP-UX] Renaming the `~/.ddd/init' file during saving options works. - [Build] New `libiberty' and `configure' packages from GDB 4.18. - [Build] If supported, `-isystem' is used for including system headers. - [Build] If supported and required, `-fpermissive' is used for old X headers. Where can you get it? How can you compile it? ============================================== The ddd-3.2.tar.gz distribution file has been placed on `ftp.gnu.org' in `gnu/ddd'. DDD 3.2 requires LessTif 0.89 or higher (see http://www.lesstif.org/) and GCC 2.7.2 or higher. The most recent (not necessarily tested) snapshots of DDD will be placed on `alpha.gnu.org' in `gnu/ddd'. Where do I send bug reports? ============================ Bug reports can be sent to . Enjoy! DDD maintainers Obtaining GNU Software ====================== Check out the GNU web site. (`http://www.gnu.org/') Most GNU software is packed using the GNU `gzip' compression program. Source code is available on most sites distributing GNU software. 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