diff options
| author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-10 05:26:52 +0000 |
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| committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-10 05:26:52 +0000 |
| commit | e3477b7c58a30f384b45bb0882ae5c8134f483ef (patch) | |
| tree | 6f313b2a2d4767a8e316f2522e8e59e4e57329f0 /vm_backtrace.c | |
| parent | dde9a8755fd40c3e7053da21de68a241bba4ef54 (diff) | |
| download | ruby-e3477b7c58a30f384b45bb0882ae5c8134f483ef.tar.gz | |
refactoring about source line.
* iseq.c (find_line_no): renamed to rb_iseq_line_no().
* vm_backtrace.c (calc_lineno): add a comment why we need to use "pos-1".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_backtrace.c')
| -rw-r--r-- | vm_backtrace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c index f22e3f2944..fd34081667 100644 --- a/vm_backtrace.c +++ b/vm_backtrace.c @@ -31,7 +31,9 @@ id2str(ID id) inline static int calc_lineno(const rb_iseq_t *iseq, const VALUE *pc) { - return rb_iseq_line_no(iseq, pc - iseq->body->iseq_encoded); + size_t pos = (size_t)(pc - iseq->body->iseq_encoded); + /* use pos-1 because PC points next instruction at the beggining of instruction */ + return rb_iseq_line_no(iseq, pos - 1); } int |