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14 | pmbaty | 1 | /*===-- clang-c/CXCompilationDatabase.h - Compilation database ---*- C -*-===*\ |
2 | |* *| |
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3 | |* Part of the LLVM Project, under the Apache License v2.0 with LLVM *| |
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4 | |* Exceptions. *| |
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5 | |* See https://llvm.org/LICENSE.txt for license information. *| |
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6 | |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *| |
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7 | |* *| |
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8 | |*===----------------------------------------------------------------------===*| |
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9 | |* *| |
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10 | |* This header provides a public interface to use CompilationDatabase without *| |
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11 | |* the full Clang C++ API. *| |
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12 | |* *| |
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13 | \*===----------------------------------------------------------------------===*/ |
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14 | |||
15 | #ifndef LLVM_CLANG_C_CXCOMPILATIONDATABASE_H |
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16 | #define LLVM_CLANG_C_CXCOMPILATIONDATABASE_H |
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17 | |||
18 | #include "clang-c/CXString.h" |
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19 | #include "clang-c/ExternC.h" |
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20 | #include "clang-c/Platform.h" |
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21 | |||
22 | LLVM_CLANG_C_EXTERN_C_BEGIN |
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23 | |||
24 | /** \defgroup COMPILATIONDB CompilationDatabase functions |
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25 | * \ingroup CINDEX |
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26 | * |
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27 | * @{ |
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28 | */ |
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29 | |||
30 | /** |
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31 | * A compilation database holds all information used to compile files in a |
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32 | * project. For each file in the database, it can be queried for the working |
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33 | * directory or the command line used for the compiler invocation. |
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34 | * |
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35 | * Must be freed by \c clang_CompilationDatabase_dispose |
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36 | */ |
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37 | typedef void * CXCompilationDatabase; |
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38 | |||
39 | /** |
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40 | * Contains the results of a search in the compilation database |
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41 | * |
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42 | * When searching for the compile command for a file, the compilation db can |
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43 | * return several commands, as the file may have been compiled with |
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44 | * different options in different places of the project. This choice of compile |
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45 | * commands is wrapped in this opaque data structure. It must be freed by |
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46 | * \c clang_CompileCommands_dispose. |
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47 | */ |
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48 | typedef void * CXCompileCommands; |
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49 | |||
50 | /** |
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51 | * Represents the command line invocation to compile a specific file. |
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52 | */ |
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53 | typedef void * CXCompileCommand; |
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54 | |||
55 | /** |
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56 | * Error codes for Compilation Database |
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57 | */ |
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58 | typedef enum { |
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59 | /* |
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60 | * No error occurred |
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61 | */ |
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62 | CXCompilationDatabase_NoError = 0, |
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63 | |||
64 | /* |
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65 | * Database can not be loaded |
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66 | */ |
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67 | CXCompilationDatabase_CanNotLoadDatabase = 1 |
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68 | |||
69 | } CXCompilationDatabase_Error; |
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70 | |||
71 | /** |
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72 | * Creates a compilation database from the database found in directory |
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73 | * buildDir. For example, CMake can output a compile_commands.json which can |
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74 | * be used to build the database. |
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75 | * |
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76 | * It must be freed by \c clang_CompilationDatabase_dispose. |
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77 | */ |
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78 | CINDEX_LINKAGE CXCompilationDatabase |
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79 | clang_CompilationDatabase_fromDirectory(const char *BuildDir, |
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80 | CXCompilationDatabase_Error *ErrorCode); |
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81 | |||
82 | /** |
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83 | * Free the given compilation database |
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84 | */ |
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85 | CINDEX_LINKAGE void |
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86 | clang_CompilationDatabase_dispose(CXCompilationDatabase); |
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87 | |||
88 | /** |
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89 | * Find the compile commands used for a file. The compile commands |
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90 | * must be freed by \c clang_CompileCommands_dispose. |
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91 | */ |
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92 | CINDEX_LINKAGE CXCompileCommands |
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93 | clang_CompilationDatabase_getCompileCommands(CXCompilationDatabase, |
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94 | const char *CompleteFileName); |
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95 | |||
96 | /** |
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97 | * Get all the compile commands in the given compilation database. |
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98 | */ |
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99 | CINDEX_LINKAGE CXCompileCommands |
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100 | clang_CompilationDatabase_getAllCompileCommands(CXCompilationDatabase); |
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101 | |||
102 | /** |
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103 | * Free the given CompileCommands |
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104 | */ |
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105 | CINDEX_LINKAGE void clang_CompileCommands_dispose(CXCompileCommands); |
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106 | |||
107 | /** |
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108 | * Get the number of CompileCommand we have for a file |
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109 | */ |
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110 | CINDEX_LINKAGE unsigned |
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111 | clang_CompileCommands_getSize(CXCompileCommands); |
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112 | |||
113 | /** |
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114 | * Get the I'th CompileCommand for a file |
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115 | * |
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116 | * Note : 0 <= i < clang_CompileCommands_getSize(CXCompileCommands) |
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117 | */ |
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118 | CINDEX_LINKAGE CXCompileCommand |
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119 | clang_CompileCommands_getCommand(CXCompileCommands, unsigned I); |
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120 | |||
121 | /** |
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122 | * Get the working directory where the CompileCommand was executed from |
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123 | */ |
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124 | CINDEX_LINKAGE CXString |
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125 | clang_CompileCommand_getDirectory(CXCompileCommand); |
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126 | |||
127 | /** |
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128 | * Get the filename associated with the CompileCommand. |
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129 | */ |
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130 | CINDEX_LINKAGE CXString |
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131 | clang_CompileCommand_getFilename(CXCompileCommand); |
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132 | |||
133 | /** |
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134 | * Get the number of arguments in the compiler invocation. |
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135 | * |
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136 | */ |
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137 | CINDEX_LINKAGE unsigned |
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138 | clang_CompileCommand_getNumArgs(CXCompileCommand); |
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139 | |||
140 | /** |
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141 | * Get the I'th argument value in the compiler invocations |
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142 | * |
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143 | * Invariant : |
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144 | * - argument 0 is the compiler executable |
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145 | */ |
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146 | CINDEX_LINKAGE CXString |
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147 | clang_CompileCommand_getArg(CXCompileCommand, unsigned I); |
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148 | |||
149 | /** |
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150 | * Get the number of source mappings for the compiler invocation. |
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151 | */ |
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152 | CINDEX_LINKAGE unsigned |
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153 | clang_CompileCommand_getNumMappedSources(CXCompileCommand); |
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154 | |||
155 | /** |
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156 | * Get the I'th mapped source path for the compiler invocation. |
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157 | */ |
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158 | CINDEX_LINKAGE CXString |
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159 | clang_CompileCommand_getMappedSourcePath(CXCompileCommand, unsigned I); |
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160 | |||
161 | /** |
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162 | * Get the I'th mapped source content for the compiler invocation. |
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163 | */ |
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164 | CINDEX_LINKAGE CXString |
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165 | clang_CompileCommand_getMappedSourceContent(CXCompileCommand, unsigned I); |
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166 | |||
167 | /** |
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168 | * @} |
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169 | */ |
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170 | |||
171 | LLVM_CLANG_C_EXTERN_C_END |
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172 | |||
173 | #endif |
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174 |