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/*===------- llvm-c/Error.h - llvm::Error class C Interface -------*- C -*-===*\
|* *|
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
|* Exceptions. *|
|* See https://llvm.org/LICENSE.txt for license information. *|
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file defines the C interface to LLVM's Error class. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_C_ERROR_H
#define LLVM_C_ERROR_H
#include "llvm-c/ExternC.h"
LLVM_C_EXTERN_C_BEGIN
/**
* @defgroup LLVMCError Error Handling
* @ingroup LLVMC
*
* @{
*/
#define LLVMErrorSuccess 0
/**
* Opaque reference to an error instance. Null serves as the 'success' value.
*/
typedef struct LLVMOpaqueError *LLVMErrorRef;
/**
* Error type identifier.
*/
typedef const void *LLVMErrorTypeId;
/**
* Returns the type id for the given error instance, which must be a failure
* value (i.e. non-null).
*/
LLVMErrorTypeId LLVMGetErrorTypeId(LLVMErrorRef Err);
/**
* Dispose of the given error without handling it. This operation consumes the
* error, and the given LLVMErrorRef value is not usable once this call returns.
* Note: This method *only* needs to be called if the error is not being passed
* to some other consuming operation, e.g. LLVMGetErrorMessage.
*/
void LLVMConsumeError(LLVMErrorRef Err);
/**
* Returns the given string's error message. This operation consumes the error,
* and the given LLVMErrorRef value is not usable once this call returns.
* The caller is responsible for disposing of the string by calling
* LLVMDisposeErrorMessage.
*/
char *LLVMGetErrorMessage(LLVMErrorRef Err);
/**
* Dispose of the given error message.
*/
void LLVMDisposeErrorMessage(char *ErrMsg);
/**
* Returns the type id for llvm StringError.
*/
LLVMErrorTypeId LLVMGetStringErrorTypeId(void);
/**
* Create a StringError.
*/
LLVMErrorRef LLVMCreateStringError(const char *ErrMsg);
/**
* @}
*/
LLVM_C_EXTERN_C_END
#endif
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