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use std::fmt;

#[derive(Clone, Copy, Eq, PartialEq, Hash)]
pub struct StatusCodeError {
    pub status_code: i32,
}

impl StatusCodeError {
    pub fn new(code: i32) -> Option<StatusCodeError> {
        match code {
            0 => None,
            status_code => Some(StatusCodeError { status_code }),
        }
    }

    pub fn description(&self) -> &'static str {
        match self.status_code {
            -1 => "CL_DEVICE_NOT_FOUND",
            -2 => "CL_DEVICE_NOT_AVAILABLE",
            -3 => "CL_COMPILER_NOT_AVAILABLE",
            -4 => "CL_MEM_OBJECT_ALLOCATION_FAILURE",
            -5 => "CL_OUT_OF_RESOURCES",
            -6 => "CL_OUT_OF_HOST_MEMORY",
            -7 => "CL_PROFILING_INFO_NOT_AVAILABLE",
            -8 => "CL_MEM_COPY_OVERLAP",
            -9 => "CL_IMAGE_FORMAT_MISMATCH",
            -10 => "CL_IMAGE_FORMAT_NOT_SUPPORTED",
            -11 => "CL_BUILD_PROGRAM_FAILURE",
            -12 => "CL_MAP_FAILURE",
            -13 => "CL_MISALIGNED_SUB_BUFFER_OFFSET",
            -14 => "CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST",
            -15 => "CL_COMPILE_PROGRAM_FAILURE",
            -16 => "CL_LINKER_NOT_AVAILABLE",
            -17 => "CL_LINK_PROGRAM_FAILURE",
            -18 => "CL_DEVICE_PARTITION_FAILED",
            -19 => "CL_KERNEL_ARG_INFO_NOT_AVAILABLE",
            -30 => "CL_INVALID_VALUE",
            -31 => "CL_INVALID_DEVICE_TYPE",
            -32 => "CL_INVALID_PLATFORM",
            -33 => "CL_INVALID_DEVICE",
            -34 => "CL_INVALID_CONTEXT",
            -35 => "CL_INVALID_QUEUE_PROPERTIES",
            -36 => "CL_INVALID_COMMAND_QUEUE",
            -37 => "CL_INVALID_HOST_PTR",
            -38 => "CL_INVALID_MEM_OBJECT",
            -39 => "CL_INVALID_IMAGE_FORMAT_DESCRIPTOR",
            -40 => "CL_INVALID_IMAGE_SIZE",
            -41 => "CL_INVALID_SAMPLER",
            -42 => "CL_INVALID_BINARY",
            -43 => "CL_INVALID_BUILD_OPTIONS",
            -44 => "CL_INVALID_PROGRAM",
            -45 => "CL_INVALID_PROGRAM_EXECUTABLE",
            -46 => "CL_INVALID_KERNEL_NAME",
            -47 => "CL_INVALID_KERNEL_DEFINITION",
            -48 => "CL_INVALID_KERNEL",
            -49 => "CL_INVALID_ARG_INDEX",
            -50 => "CL_INVALID_ARG_VALUE",
            -51 => "CL_INVALID_ARG_SIZE",
            -52 => "CL_INVALID_KERNEL_ARGS",
            -53 => "CL_INVALID_WORK_DIMENSION",
            -54 => "CL_INVALID_WORK_GROUP_SIZE",
            -55 => "CL_INVALID_WORK_ITEM_SIZE",
            -56 => "CL_INVALID_GLOBAL_OFFSET",
            -57 => "CL_INVALID_EVENT_WAIT_LIST",
            -58 => "CL_INVALID_EVENT",
            -59 => "CL_INVALID_OPERATION",
            -60 => "CL_INVALID_GL_OBJECT",
            -61 => "CL_INVALID_BUFFER_SIZE",
            -62 => "CL_INVALID_MIP_LEVEL",
            -63 => "CL_INVALID_GLOBAL_WORK_SIZE",
            -64 => "CL_INVALID_PROPERTY",
            x => panic!("OpenCL returned an unexpected status code: {:?}", x),
        }
    }
}

impl fmt::Display for StatusCodeError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(
            f,
            "OpenCL Status Code Error {} {}",
            self.status_code,
            self.description()
        )
    }
}

impl fmt::Debug for StatusCodeError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(
            f,
            "OpenCL Status Code Error {} {}",
            self.status_code,
            self.description()
        )
    }
}