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// =================================================================================================
// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
// width of 100 characters per line.
//
// Author(s):
// Ivan Shapovalov <intelfx@intelfx.name>
//
// This file contains exception classes corresponding to 'clpp11.hpp'. It is also part of the
// CLCudaAPI project. See 'clpp11.hpp' for more details.
//
// =================================================================================================
#ifndef CLBLAST_CXPP11_COMMON_H_
#define CLBLAST_CXPP11_COMMON_H_
#include <cstring> // strchr
#include <string> // std::string
#include <stdexcept> // std::runtime_error
namespace clblast {
// =================================================================================================
// Basic exception class: represents an error happened inside our code
// (as opposed to an error in C++ runtime)
template <typename Base>
class Error : public Base {
public:
// Perfect forwarding of the constructor since "using Base::Base" is not supported by VS 2013
template <typename... Args>
Error(Args&&... args):
Base(std::forward<Args>(args)...) {
}
};
// =================================================================================================
// Represents a generic device-specific runtime error (returned by an OpenCL or CUDA API function)
class DeviceError : public Error<std::runtime_error> {
public:
// Perfect forwarding of the constructor since "using Error<std::runtime_error>::Error" is not
// supported by VS 2013
template <typename... Args>
DeviceError(Args&&... args):
Error<std::runtime_error>(std::forward<Args>(args)...) {
}
static std::string TrimCallString(const char *where) {
const char *paren = strchr(where, '(');
if (paren) {
return std::string(where, paren);
} else {
return std::string(where);
}
}
};
// =================================================================================================
// Represents a generic runtime error (aka environmental problem)
class RuntimeError : public Error<std::runtime_error> {
public:
explicit RuntimeError(const std::string &reason):
Error("Run-time error: " + reason) {
}
};
// =================================================================================================
// Represents a generic logic error (aka failed assertion)
class LogicError : public Error<std::logic_error> {
public:
explicit LogicError(const std::string &reason):
Error("Internal logic error: " + reason) {
}
};
// =================================================================================================
// Internal exception base class with a status field and a subclass-specific "details" field
// which can be used to recreate an exception
template <typename Base, typename Status>
class ErrorCode : public Base {
public:
ErrorCode(Status status, const std::string &details, const std::string &reason):
Base(reason),
status_(status),
details_(details) {
}
Status status() const {
return status_;
}
const std::string& details() const {
return details_;
}
private:
const Status status_;
const std::string details_;
};
// =================================================================================================
} // namespace clblast
// CLBLAST_CXPP11_COMMON_H_
#endif
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