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133 lines
4.0 KiB
Plaintext
133 lines
4.0 KiB
Plaintext
Hacking Guidelines
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==================
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This document is an introduction to hacking on GnuCash.
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Related Documents
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-----------------
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In addition to this file, you should read the README file, which
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explains the details of getting the CVS source, building GnuCash,
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and creating patches for submission.
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The src/doc/design directory contains a preliminary design document
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which you should read as well. You should also feel free to hack on
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the design document.
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Coding Style Conventions
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------------------------
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General:
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* When modifying a file, the style convention in that file should be
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followed.
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* When creating a new file, the style of existing files should be
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followed.
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* When creating lots of new files in a new directory, you may use
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your own coding standards, but please try to stick as closely as
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possible to the GNU coding standards.
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* Do not submit patches that consist of (gratuitous) stylistic changes.
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C:
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* Use ISO C.
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* Use glib memory routines where possible. This means you should be
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using g_malloc(), g_new(), g_free(), etc., instead of malloc(),
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free(), etc. Do not mix glib memory calls with libc calls!
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* Where possible, use glib data abstractions instead of rolling your
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own. Glib linked lists and pointer arrays are very convenient and
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have been extensively used and tested.
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* All gnucash functions and global variables are prefixed with gnc_
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* Use static functions whenever possible
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* Use const whenever possible
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Scheme:
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* All gnucash functions and global variables are prefixed with gnc:
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* All global variables are enclosed in ** (i.e. gnc:*load-path*)
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* All private functions are enclosed in __ (i.e. gnc:_do-not-call_)
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* All C functions wrapped with g-wrap have dashes in place of underscores.
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(xaccSplitGetBalance --> gnc:split-get-balance).
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Dave Peticolas <dave@krondo.com>
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August 22, 2000
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=====================================================================
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TIPS AND HINTS
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=====================================================================
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Starting Gnucash from the build tree:
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-------------------------------------
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To run gnucash from your build tree:
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-- edit ./src/bin/overrides/gnucash and replace gnucash-env with
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gnucash-build-env
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-- then start gnucash by saying ./src/bin/overrides/gnucash
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-- Make sure you undo this change before installing gnucash
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Getting Trace Messages From GnuCash:
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------------------------------------
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Note that piping stdout from gnucash to a file causes gnucash to crash.
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Don't know why, this is a bug that needs to be fixed. Here's another
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way to get trace messages into a file:
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-- edit src/engine/gnc-trace.c, adjust values in the array
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gnc_log_modules[] to what you want to have for a given module.
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-- edit gnc_log_init() to fopen() the log file where you want
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messages to go to.
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Starting GnuCash in GDB
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-----------------------
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To run gdb on an installed version of gnucash (installed in /usr/local/bin:)
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% gnucash-env gdb /usr/bin/guile
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[gdb output]
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% gdb> run -e main -s /usr/local/libexec/gnucash/overrides/gnucash --g-fatal-warnings
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To run gdb on the version in your build tree:
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% ./src/bin/overrides/gnucash-build-env gdb /usr/bin/guile
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[gdb output]
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% gdb> run -e main -s ./src/bin/overrides/gnucash --g-fatal-warnings
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Using Electric Fence with GnuCash
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---------------------------------
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% configure --enable-efence
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(except this doesn't actually enable efence :-( need to hack
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configure.in and add $LIBS = -lefence and re-run ./autogen.sh)
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Don't know why, efence does not currently work with gnucash:
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I get a bunch of errors:
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warning: Cannot initialize thread debugging library: unknown thread_db error '22'
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If you know how to fix this, please update tehse instructions.
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Using Valgrind with GnuCash
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---------------------------
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-- run ./src/bin/overrides/gnucash-valgrind
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However, I did not find valgrind to be useful. It reported a bunch of
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guile bugs, some g_has_table bugs, and then the program exited prematurely
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for no appearenet reason. :-(
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If you know how to fix this, please update tehse instructions.
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