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Print more information from partial_range_error_t

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This commit is contained in:
Kp 2014-08-09 03:59:49 +00:00
parent c2fb6c728f
commit 104333391f
1 changed files with 23 additions and 15 deletions
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38
common/include/partial_range.h
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@ -44,29 +44,35 @@ namespace boost
} }
#endif #endif
template <typename T> struct base_partial_range_error_t : std::out_of_range
struct partial_range_error_t : public std::out_of_range
{ {
partial_range_error_t(const std::string& s) : DXX_INHERIT_CONSTRUCTORS(base_partial_range_error_t, std::out_of_range);
std::out_of_range(s) static std::string prepare(const char *file, unsigned line, const char *estr, const char *desc, unsigned long expr, const void *t, unsigned long d)
{ {
char buf[256];
snprintf(buf, sizeof(buf), "%s:%u: %s %lu past %p end %lu \"%s\"", file, line, desc, expr, t, d, estr);
return buf;
} }
static void report(const char *desc, unsigned long expr, const T &t, unsigned long d) };
template <typename T>
struct partial_range_error_t : base_partial_range_error_t
{
DXX_INHERIT_CONSTRUCTORS(partial_range_error_t, base_partial_range_error_t);
static void report(const char *file, unsigned line, const char *estr, const char *desc, unsigned long expr, const T &t, unsigned long d)
{ {
char buf[84]; throw partial_range_error_t<T>(base_partial_range_error_t::prepare(file, line, estr, desc, expr, addressof(t), d));
snprintf(buf, sizeof(buf), "%s %lu past %p end %lu", desc, expr, addressof(t), d);
throw partial_range_error_t<T>(buf);
} }
}; };
template <typename T, typename U> template <typename T, typename U>
typename tt::enable_if<!tt::is_unsigned<U>::value, T &>::type partial_range(T &, U, U = U()) DXX_CXX11_EXPLICIT_DELETE; typename tt::enable_if<!tt::is_unsigned<U>::value, T &>::type partial_range(const char *, unsigned, const char *, T &, U, U = U()) = delete;
template <typename T, typename U, typename I = decltype(begin(*(T *)0))> template <typename T, typename U, typename I = decltype(begin(*(T *)0))>
static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(T &t, const U &o, const U &l) __attribute_warn_unused_result; static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(const char *, unsigned, const char *, T &t, const U &o, const U &l) __attribute_warn_unused_result;
template <typename T, typename U, typename I> template <typename T, typename U, typename I>
static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(T &t, const U &o, const U &l) static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(const char *file, unsigned line, const char *estr, T &t, const U &o, const U &l)
{ {
using std::advance; using std::advance;
using std::distance; using std::distance;
@ -74,7 +80,7 @@ static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<
auto range_end = range_begin; auto range_end = range_begin;
#define PARTIAL_RANGE_CHECK_BOUND(EXPR,S) \ #define PARTIAL_RANGE_CHECK_BOUND(EXPR,S) \
if (EXPR > d) \ if (EXPR > d) \
partial_range_error_t<const T>::report(S, EXPR, t, d) partial_range_error_t<const T>::report(file, line, estr, S, EXPR, t, d)
size_t d = distance(range_begin, end(t)); size_t d = distance(range_begin, end(t));
PARTIAL_RANGE_CHECK_BOUND(o, "begin"); PARTIAL_RANGE_CHECK_BOUND(o, "begin");
PARTIAL_RANGE_CHECK_BOUND(l, "end"); PARTIAL_RANGE_CHECK_BOUND(l, "end");
@ -88,10 +94,12 @@ static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<
} }
template <typename T, typename U, typename I = decltype(begin(*(T *)0))> template <typename T, typename U, typename I = decltype(begin(*(T *)0))>
static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(T &t, const U &l) __attribute_warn_unused_result; static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(const char *, unsigned, const char *, T &t, const U &l) __attribute_warn_unused_result;
template <typename T, typename U, typename I> template <typename T, typename U, typename I>
static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(T &t, const U &l) static inline typename tt::enable_if<tt::is_unsigned<U>::value, partial_range_t<I>>::type partial_range(const char *file, unsigned line, const char *estr, T &t, const U &l)
{ {
return partial_range(t, static_cast<U>(0), l); return partial_range(file, line, estr, t, static_cast<U>(0), l);
} }
#define partial_range(T,...) partial_range(__FILE__, __LINE__, #T, T, ##__VA_ARGS__)