extra/clang-c/BuildSystem.h

   1 /*==-- clang-c/BuildSystem.h - Utilities for use by build systems -*- C -*-===*\
   2 |*                                                                            *|
   3 |*                     The LLVM Compiler Infrastructure                       *|
   4 |*                                                                            *|
   5 |* This file is distributed under the University of Illinois Open Source      *|
   6 |* License. See LICENSE.TXT for details.                                      *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* This header provides various utilities for use by build systems.           *|
  11 |*                                                                            *|
  12 \*===----------------------------------------------------------------------===*/
  13
  14 #ifndef LLVM_CLANG_C_BUILDSYSTEM_H
  15 #define LLVM_CLANG_C_BUILDSYSTEM_H
  16
  17 #include "clang-c/Platform.h"
  18 #include "clang-c/CXErrorCode.h"
  19 #include "clang-c/CXString.h"
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 /**
  26  * \defgroup BUILD_SYSTEM Build system utilities
  27  * @{
  28  */
  29
  30 /**
  31  * \brief Return the timestamp for use with Clang's
  32  * \c -fbuild-session-timestamp= option.
  33  */
  34 CINDEX_LINKAGE unsigned long long clang_getBuildSessionTimestamp(void);
  35
  36 /**
  37  * \brief Object encapsulating information about overlaying virtual
  38  * file/directories over the real file system.
  39  */
  40 typedef struct CXVirtualFileOverlayImpl *CXVirtualFileOverlay;
  41
  42 /**
  43  * \brief Create a \c CXVirtualFileOverlay object.
  44  * Must be disposed with \c clang_VirtualFileOverlay_dispose().
  45  *
  46  * \param options is reserved, always pass 0.
  47  */
  48 CINDEX_LINKAGE CXVirtualFileOverlay
  49 clang_VirtualFileOverlay_create(unsigned options);
  50
  51 /**
  52  * \brief Map an absolute virtual file path to an absolute real one.
  53  * The virtual path must be canonicalized (not contain "."/"..").
  54  * \returns 0 for success, non-zero to indicate an error.
  55  */
  56 CINDEX_LINKAGE enum CXErrorCode
  57 clang_VirtualFileOverlay_addFileMapping(CXVirtualFileOverlay,
  58                                         const char *virtualPath,
  59                                         const char *realPath);
  60
  61 /**
  62  * \brief Set the case sensitivity for the \c CXVirtualFileOverlay object.
  63  * The \c CXVirtualFileOverlay object is case-sensitive by default, this
  64  * option can be used to override the default.
  65  * \returns 0 for success, non-zero to indicate an error.
  66  */
  67 CINDEX_LINKAGE enum CXErrorCode
  68 clang_VirtualFileOverlay_setCaseSensitivity(CXVirtualFileOverlay,
  69                                                                                         int caseSensitive);
  70
  71 /**
  72  * \brief Write out the \c CXVirtualFileOverlay object to a char buffer.
  73  *
  74  * \param options is reserved, always pass 0.
  75  * \param out_buffer_ptr pointer to receive the buffer pointer, which should be
  76  * disposed using \c clang_free().
  77  * \param out_buffer_size pointer to receive the buffer size.
  78  * \returns 0 for success, non-zero to indicate an error.
  79  */
  80 CINDEX_LINKAGE enum CXErrorCode
  81 clang_VirtualFileOverlay_writeToBuffer(CXVirtualFileOverlay, unsigned options,
  82                                        char **out_buffer_ptr,
  83                                        unsigned *out_buffer_size);
  84
  85 /**
  86  * \brief free memory allocated by libclang, such as the buffer returned by
  87  * \c CXVirtualFileOverlay() or \c clang_ModuleMapDescriptor_writeToBuffer().
  88  *
  89  * \param buffer memory pointer to free.
  90  */
  91 CINDEX_LINKAGE void clang_free(void *buffer);
  92
  93 /**
  94  * \brief Dispose a \c CXVirtualFileOverlay object.
  95  */
  96 CINDEX_LINKAGE void clang_VirtualFileOverlay_dispose(CXVirtualFileOverlay);
  97
  98 /**
  99  * \brief Object encapsulating information about a module.map file.
 100  */
 101 typedef struct CXModuleMapDescriptorImpl *CXModuleMapDescriptor;
 102
 103 /**
 104  * \brief Create a \c CXModuleMapDescriptor object.
 105  * Must be disposed with \c clang_ModuleMapDescriptor_dispose().
 106  *
 107  * \param options is reserved, always pass 0.
 108  */
 109 CINDEX_LINKAGE CXModuleMapDescriptor
 110 clang_ModuleMapDescriptor_create(unsigned options);
 111
 112 /**
 113  * \brief Sets the framework module name that the module.map describes.
 114  * \returns 0 for success, non-zero to indicate an error.
 115  */
 116 CINDEX_LINKAGE enum CXErrorCode
 117 clang_ModuleMapDescriptor_setFrameworkModuleName(CXModuleMapDescriptor,
 118                                                  const char *name);
 119
 120 /**
 121  * \brief Sets the umbrealla header name that the module.map describes.
 122  * \returns 0 for success, non-zero to indicate an error.
 123  */
 124 CINDEX_LINKAGE enum CXErrorCode
 125 clang_ModuleMapDescriptor_setUmbrellaHeader(CXModuleMapDescriptor,
 126                                             const char *name);
 127
 128 /**
 129  * \brief Write out the \c CXModuleMapDescriptor object to a char buffer.
 130  *
 131  * \param options is reserved, always pass 0.
 132  * \param out_buffer_ptr pointer to receive the buffer pointer, which should be
 133  * disposed using \c clang_free().
 134  * \param out_buffer_size pointer to receive the buffer size.
 135  * \returns 0 for success, non-zero to indicate an error.
 136  */
 137 CINDEX_LINKAGE enum CXErrorCode
 138 clang_ModuleMapDescriptor_writeToBuffer(CXModuleMapDescriptor, unsigned options,
 139                                        char **out_buffer_ptr,
 140                                        unsigned *out_buffer_size);
 141
 142 /**
 143  * \brief Dispose a \c CXModuleMapDescriptor object.
 144  */
 145 CINDEX_LINKAGE void clang_ModuleMapDescriptor_dispose(CXModuleMapDescriptor);
 146
 147 /**
 148  * @}
 149  */
 150
 151 #ifdef __cplusplus
 152 }
 153 #endif
 154
 155 #endif /* CLANG_C_BUILD_SYSTEM_H */
 156