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exc_inspect: dup file and check mesg only once

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This commit is contained in:
cremno
2014-04-14 03:52:17 +02:00
parent 65678f11b4
commit 7a8ed0fa3a
1 changed files with 6 additions and 4 deletions
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src/error.c
+6 -4
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@@ -122,28 +122,30 @@ static mrb_value
exc_inspect(mrb_state *mrb, mrb_value exc)
{
mrb_value str, mesg, file, line;
mrb_bool append_mesg;
mesg = mrb_attr_get(mrb, exc, mrb_intern_lit(mrb, "mesg"));
file = mrb_attr_get(mrb, exc, mrb_intern_lit(mrb, "file"));
line = mrb_attr_get(mrb, exc, mrb_intern_lit(mrb, "line"));
append_mesg = !mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0;
if (!mrb_nil_p(file) && !mrb_nil_p(line)) {
str = file;
str = mrb_str_dup(mrb, file);
mrb_str_cat_lit(mrb, str, ":");
mrb_str_append(mrb, str, line);
mrb_str_cat_lit(mrb, str, ": ");
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
if (append_mesg) {
mrb_str_append(mrb, str, mesg);
mrb_str_cat_lit(mrb, str, " (");
}
mrb_str_cat_cstr(mrb, str, mrb_obj_classname(mrb, exc));
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
if (append_mesg) {
mrb_str_cat_lit(mrb, str, ")");
}
}
else {
str = mrb_str_new_cstr(mrb, mrb_obj_classname(mrb, exc));
if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) {
if (append_mesg) {
mrb_str_cat_lit(mrb, str, ": ");
mrb_str_append(mrb, str, mesg);
}