mirror of
https://github.com/bkaradzic/bx.git
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135 lines
2.4 KiB
C++
135 lines
2.4 KiB
C++
/*
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* Copyright 2010-2025 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bx/blob/master/LICENSE
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*/
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#ifndef BX_ERROR_H_HEADER_GUARD
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#define BX_ERROR_H_HEADER_GUARD
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#include "string.h"
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#define BX_ERROR_SET(_ptr, _result, _msg) \
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BX_MACRO_BLOCK_BEGIN \
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(_ptr)->setError(_result, "" _msg); \
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BX_MACRO_BLOCK_END
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#define BX_ERROR_USE_TEMP_WHEN_NULL(_ptr) \
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const bx::Error tmpError; /* It should not be used directly! */ \
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_ptr = NULL == _ptr ? const_cast<bx::Error*>(&tmpError) : _ptr
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#define BX_ERROR_SCOPE(_ptr, ...) \
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BX_ERROR_USE_TEMP_WHEN_NULL(_ptr); \
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bx::ErrorScope bxErrorScope(const_cast<bx::Error*>(&tmpError), "" __VA_ARGS__)
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#define BX_ERROR_RESULT(_err, _code) \
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static_assert(_code != 0, "ErrorCode 0 is reserved!"); \
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static constexpr bx::ErrorResult _err = { _code }
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namespace bx
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{
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///
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struct ErrorResult
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{
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uint32_t code;
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};
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///
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class Error
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{
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BX_CLASS(Error
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, NO_COPY
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);
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public:
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///
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Error();
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///
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void reset();
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///
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void setError(ErrorResult _errorResult, const StringLiteral& _msg, const Location& _location = Location::current() );
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///
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bool isOk() const;
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///
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ErrorResult get() const;
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///
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const StringLiteral& getMessage() const;
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///
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const Location& getLocation() const;
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///
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bool operator==(const ErrorResult& _rhs) const;
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///
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bool operator!=(const ErrorResult& _rhs) const;
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private:
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Location m_location;
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StringLiteral m_msg;
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uint32_t m_code;
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};
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/// Do nothing even if error is set.
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class ErrorIgnore final : public Error
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{
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public:
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///
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operator Error*();
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};
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/// In debug build assert if error is set.
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class ErrorAssert final : public Error
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{
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public:
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///
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~ErrorAssert();
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///
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operator Error*();
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};
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/// Exit application if error is set.
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class ErrorFatal final : public Error
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{
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public:
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///
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~ErrorFatal();
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///
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operator Error*();
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};
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///
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class ErrorScope
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{
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BX_CLASS(ErrorScope
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, NO_DEFAULT_CTOR
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, NO_COPY
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);
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public:
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///
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ErrorScope(Error* _err, const StringLiteral& _name);
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///
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~ErrorScope();
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///
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const StringLiteral& getName() const;
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private:
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Error* m_err;
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const StringLiteral m_name;
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};
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} // namespace bx
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#include "inline/error.inl"
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#endif // BX_ERROR_H_HEADER_GUARD
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