llvm-project/clang/include/clang-c/CXFile.h
Jan Svoboda 29e0435ac0 [libclang] Split-out parts of Index.h
The `Index.h` header defines some functions and data structures that are useful for other (non-indexing) APIs. This patch extracts those into separate headers.

Reviewed By: akyrtzi, benlangmuir

Differential Revision: https://reviews.llvm.org/D134837
2022-09-29 11:29:53 -07:00

84 lines
2.5 KiB
C

/*===-- clang-c/CXFile.h - C Index File ---------------------------*- 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 header provides the interface to C Index files. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_CLANG_C_CXFILE_H
#define LLVM_CLANG_C_CXFILE_H
#include <time.h>
#include "clang-c/CXString.h"
#include "clang-c/ExternC.h"
#include "clang-c/Platform.h"
LLVM_CLANG_C_EXTERN_C_BEGIN
/**
* \defgroup CINDEX_FILES File manipulation routines
*
* @{
*/
/**
* A particular source file that is part of a translation unit.
*/
typedef void *CXFile;
/**
* Retrieve the complete file and path name of the given file.
*/
CINDEX_LINKAGE CXString clang_getFileName(CXFile SFile);
/**
* Retrieve the last modification time of the given file.
*/
CINDEX_LINKAGE time_t clang_getFileTime(CXFile SFile);
/**
* Uniquely identifies a CXFile, that refers to the same underlying file,
* across an indexing session.
*/
typedef struct {
unsigned long long data[3];
} CXFileUniqueID;
/**
* Retrieve the unique ID for the given \c file.
*
* \param file the file to get the ID for.
* \param outID stores the returned CXFileUniqueID.
* \returns If there was a failure getting the unique ID, returns non-zero,
* otherwise returns 0.
*/
CINDEX_LINKAGE int clang_getFileUniqueID(CXFile file, CXFileUniqueID *outID);
/**
* Returns non-zero if the \c file1 and \c file2 point to the same file,
* or they are both NULL.
*/
CINDEX_LINKAGE int clang_File_isEqual(CXFile file1, CXFile file2);
/**
* Returns the real path name of \c file.
*
* An empty string may be returned. Use \c clang_getFileName() in that case.
*/
CINDEX_LINKAGE CXString clang_File_tryGetRealPathName(CXFile file);
/**
* @}
*/
LLVM_CLANG_C_EXTERN_C_END
#endif