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better line type selector

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This commit is contained in:
take_cheeze
2013-09-02 00:25:57 +09:00
parent 61e3598893
commit addb57f7e5
1 changed files with 10 additions and 4 deletions
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src/debug.c
+10 -4
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@@ -33,9 +33,16 @@ get_file(mrb_irep_debug_info* info, uint32_t const pc)
}
static mrb_debug_line_type
select_line_type(uint32_t pc_count, uint16_t line_count)
select_line_type(uint16_t const* lines, size_t lines_len)
{
return (sizeof(uint16_t) * pc_count) < (sizeof(mrb_irep_debug_info_line) * line_count)
size_t line_count = 0;
int prev_line = -1;
for (size_t i = 0; i < lines_len; ++i) {
if (lines[i] != prev_line) {
++line_count;
}
}
return (sizeof(uint16_t) * lines_len) <= (sizeof(mrb_irep_debug_info_line) * line_count)
? mrb_debug_line_ary : mrb_debug_line_flat_map;
}
@@ -139,8 +146,7 @@ mrb_debug_info_append_file(mrb_state* mrb, mrb_irep* irep,
size_t len = 0;
ret->filename = mrb_sym2name_len(mrb, ret->filename_sym, &len);
ret->line_type = select_line_type(
file_pc_count, irep->lines[end_pos - 1] - irep->lines[0] + 1);
ret->line_type = select_line_type(irep->lines + start_pos, end_pos - start_pos);
ret->line_ptr = NULL;
switch(ret->line_type) {