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authorko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-05-25 04:50:10 +0000
committerko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-05-25 04:50:10 +0000
commit1f3142a4477a10bfe566c17837c2a0b9f6cba00f (patch)
treeaaa2ab6627c58640564493cf8a3d3c5a2703b082 /ext/syslog/extconf.rb
parent26f96fe1ce6178a83a0b3f0dbb9b4b9c7692103e (diff)
* vm.c: refactoring backtrace related funcitons.
(1) unify similar functions (rb_backtrace_each() and backtrace_object()). backtrace_each() is a unified function. variation: a) backtrace_object(): create backtrace object. b) vm_backtrace_str_ary(): create bt as an array of string. c) vm_backtrace_print(): print backtrace to specified file. d) rb_backtrace_print_as_bugreport(): print backtrace on bugreport style. (2) remove rb_backtrace_each(). Use backtrace_each() instead. (3) chang the type of lev parameter to size_t. a) lev == 0 means current frame (exception, etc use it). b) lev == 1 means upper frame (caller(0) use it). * vm_core.h, vm_dump.c, vm_eval.c: ditto. * vm.c (backtrace_object(), vm_backtrace_str_ary()): fix to return a correct size of caller(lev) array. Let n be a "caller(0).size" then ln as caller(lev).size should be (n - lev). However, the previous implementation returns a wrong size array (ln > n - lev). [ruby-dev:45673] * test/ruby/test_backtrace.rb: add tests for backtrace. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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