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Print line number during return when tracing

This commit is contained in:
Behdad Esfahbod 2012-07-19 20:45:41 -04:00
parent 5249f3aee1
commit ae63cf2062
1 changed files with 4 additions and 4 deletions
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8
src/hb-private.hh
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@ -676,14 +676,14 @@ struct hb_auto_trace_t {
if (plevel) --*plevel;
}
inline bool ret (bool v)
inline bool ret (bool v, unsigned int line = 0)
{
if (unlikely (returned)) {
fprintf (stderr, "OUCH, double calls to TRACE_RETURN. This is a bug, please report.\n");
return v;
}
_hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1, "return %s", v ? "true" : "false");
_hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1, "return %s (line %d)", v ? "true" : "false", line);
if (plevel) --*plevel;
plevel = NULL;
returned = true;
@ -706,10 +706,10 @@ struct hb_auto_trace_t<0> {
...) {}
template <typename T>
inline T ret (T v) { return v; }
inline T ret (T v, unsigned int line = 0) { return v; }
};
#define TRACE_RETURN(RET) trace.ret (RET)
#define TRACE_RETURN(RET) trace.ret (RET, __LINE__)
/* Misc */