jeanlemotan
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#pragma once
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#include "tl/detail/prologue.h"
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///////////////////////////////////////////////////////////////////////////////
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//
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namespace tl
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{
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namespace crash
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{
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//use this to specify a function to be called when a crash is requested.
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//Note!!! File and msg can be NULL
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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//
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// It's very risky to implement this function so do it only if you REALLY REALLY have to do something before the crash.
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// This might be called because the system is out of memory - so any allocation will fail. Same for file handles or any other resources.
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//
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//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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enum class response
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{
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CRASH,
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CONTINUE
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};
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using handler = response (*)(const char *, int, const char *);
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TL_API handler set_handler(handler) noexcept;
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TL_API response default_handler(const char* file, int line, const char* msg) noexcept;
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//Use this to temporarily change the assert handler for the current scope
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class handler_guard
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{
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public:
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explicit handler_guard(handler new_handler) noexcept
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{
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m_prev_handler = set_handler(new_handler);
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}
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~handler_guard() noexcept
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{
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set_handler(m_prev_handler);
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}
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private:
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handler m_prev_handler;
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};
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///////////////////////////////////////////////////////////////////////
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//for internal use only
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namespace detail
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{
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TL_API handler& get_static_handler() noexcept;
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//this is responsible of formatting the messages and calling the handler
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inline response invoke_crash_handler(const char* file, int line, const char* msg) noexcept
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{
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const handler& handler = get_static_handler();
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return handler(file, line, msg);
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}
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}
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}
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}
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#include "tl/detail/internal_assert.h"
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