llvm-project/clang/include/clang-c/BuildSystem.h

157 lines
5.4 KiB
C

/*==-- clang-c/BuildSystem.h - Utilities for use by build systems -*- C -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This header provides various utilities for use by build systems. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_CLANG_C_BUILDSYSTEM_H
#define LLVM_CLANG_C_BUILDSYSTEM_H
#include "clang-c/Platform.h"
#include "clang-c/CXErrorCode.h"
#include "clang-c/CXString.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup BUILD_SYSTEM Build system utilities
* @{
*/
/**
* \brief Return the timestamp for use with Clang's
* \c -fbuild-session-timestamp= option.
*/
CINDEX_LINKAGE unsigned long long clang_getBuildSessionTimestamp(void);
/**
* \brief Object encapsulating information about overlaying virtual
* file/directories over the real file system.
*/
typedef struct CXVirtualFileOverlayImpl *CXVirtualFileOverlay;
/**
* \brief Create a \c CXVirtualFileOverlay object.
* Must be disposed with \c clang_VirtualFileOverlay_dispose().
*
* \param options is reserved, always pass 0.
*/
CINDEX_LINKAGE CXVirtualFileOverlay
clang_VirtualFileOverlay_create(unsigned options);
/**
* \brief Map an absolute virtual file path to an absolute real one.
* The virtual path must be canonicalized (not contain "."/"..").
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_VirtualFileOverlay_addFileMapping(CXVirtualFileOverlay,
const char *virtualPath,
const char *realPath);
/**
* \brief Set the case sensitivity for the \c CXVirtualFileOverlay object.
* The \c CXVirtualFileOverlay object is case-sensitive by default, this
* option can be used to override the default.
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_VirtualFileOverlay_setCaseSensitivity(CXVirtualFileOverlay,
int caseSensitive);
/**
* \brief Write out the \c CXVirtualFileOverlay object to a char buffer.
*
* \param options is reserved, always pass 0.
* \param out_buffer_ptr pointer to receive the buffer pointer, which should be
* disposed using \c clang_free().
* \param out_buffer_size pointer to receive the buffer size.
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_VirtualFileOverlay_writeToBuffer(CXVirtualFileOverlay, unsigned options,
char **out_buffer_ptr,
unsigned *out_buffer_size);
/**
* \brief free memory allocated by libclang, such as the buffer returned by
* \c CXVirtualFileOverlay() or \c clang_ModuleMapDescriptor_writeToBuffer().
*
* \param buffer memory pointer to free.
*/
CINDEX_LINKAGE void clang_free(void *buffer);
/**
* \brief Dispose a \c CXVirtualFileOverlay object.
*/
CINDEX_LINKAGE void clang_VirtualFileOverlay_dispose(CXVirtualFileOverlay);
/**
* \brief Object encapsulating information about a module.map file.
*/
typedef struct CXModuleMapDescriptorImpl *CXModuleMapDescriptor;
/**
* \brief Create a \c CXModuleMapDescriptor object.
* Must be disposed with \c clang_ModuleMapDescriptor_dispose().
*
* \param options is reserved, always pass 0.
*/
CINDEX_LINKAGE CXModuleMapDescriptor
clang_ModuleMapDescriptor_create(unsigned options);
/**
* \brief Sets the framework module name that the module.map describes.
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_ModuleMapDescriptor_setFrameworkModuleName(CXModuleMapDescriptor,
const char *name);
/**
* \brief Sets the umbrealla header name that the module.map describes.
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_ModuleMapDescriptor_setUmbrellaHeader(CXModuleMapDescriptor,
const char *name);
/**
* \brief Write out the \c CXModuleMapDescriptor object to a char buffer.
*
* \param options is reserved, always pass 0.
* \param out_buffer_ptr pointer to receive the buffer pointer, which should be
* disposed using \c clang_free().
* \param out_buffer_size pointer to receive the buffer size.
* \returns 0 for success, non-zero to indicate an error.
*/
CINDEX_LINKAGE enum CXErrorCode
clang_ModuleMapDescriptor_writeToBuffer(CXModuleMapDescriptor, unsigned options,
char **out_buffer_ptr,
unsigned *out_buffer_size);
/**
* \brief Dispose a \c CXModuleMapDescriptor object.
*/
CINDEX_LINKAGE void clang_ModuleMapDescriptor_dispose(CXModuleMapDescriptor);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* CLANG_C_BUILD_SYSTEM_H */