summaryrefslogtreecommitdiffstats
path: root/tools/libclang/CXCompilationDatabase.cpp
blob: 7bd319ac295e2c78f8fa947ab9ed2f400153144a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
#include "clang-c/CXCompilationDatabase.h"
#include "clang/Tooling/CompilationDatabase.h"
#include "CXString.h"

using namespace clang;
using namespace clang::tooling;
using namespace clang::cxstring;

extern "C" {

// FIXME: do something more usefull with the error message
CXCompilationDatabase
clang_CompilationDatabase_fromDirectory(const char *BuildDir,
                                        CXCompilationDatabase_Error *ErrorCode)
{
  std::string ErrorMsg;
  CXCompilationDatabase_Error Err = CXCompilationDatabase_NoError;

  CompilationDatabase *db = CompilationDatabase::loadFromDirectory(BuildDir,
                                                                   ErrorMsg);

  if (!db) {
    fprintf(stderr, "LIBCLANG TOOLING ERROR: %s\n", ErrorMsg.c_str());
    Err = CXCompilationDatabase_CanNotLoadDatabase;
  }

  if (ErrorCode)
    *ErrorCode = Err;

  return db;
}

void
clang_CompilationDatabase_dispose(CXCompilationDatabase CDb)
{
  delete static_cast<CompilationDatabase *>(CDb);
}

struct AllocatedCXCompileCommands
{
  std::vector<CompileCommand> CCmd;

  AllocatedCXCompileCommands(const std::vector<CompileCommand>& Cmd)
    : CCmd(Cmd)
  { }
};

CXCompileCommands
clang_CompilationDatabase_getCompileCommands(CXCompilationDatabase CDb,
                                             const char *CompleteFileName)
{
  if (CompilationDatabase *db = static_cast<CompilationDatabase *>(CDb)) {
    const std::vector<CompileCommand>
      CCmd(db->getCompileCommands(CompleteFileName));
    if (!CCmd.empty())
      return new AllocatedCXCompileCommands( CCmd );
  }

  return 0;
}

void
clang_CompileCommands_dispose(CXCompileCommands Cmds)
{
  delete static_cast<AllocatedCXCompileCommands *>(Cmds);
}

unsigned
clang_CompileCommands_getSize(CXCompileCommands Cmds)
{
  if (!Cmds)
    return 0;

  AllocatedCXCompileCommands *ACC =
    static_cast<AllocatedCXCompileCommands *>(Cmds);

  return ACC->CCmd.size();
}

CXCompileCommand
clang_CompileCommands_getCommand(CXCompileCommands Cmds, unsigned I)
{
  if (!Cmds)
    return 0;

  AllocatedCXCompileCommands *ACC =
    static_cast<AllocatedCXCompileCommands *>(Cmds);

  if (I >= ACC->CCmd.size())
    return 0;

  return &ACC->CCmd[I];
}

CXString
clang_CompileCommand_getDirectory(CXCompileCommand CCmd)
{
  if (!CCmd)
    return createCXString((const char*)NULL);

  CompileCommand *cmd = static_cast<CompileCommand *>(CCmd);
  return createCXString(cmd->Directory);
}

unsigned
clang_CompileCommand_getNumArgs(CXCompileCommand CCmd)
{
  if (!CCmd)
    return 0;

  return static_cast<CompileCommand *>(CCmd)->CommandLine.size();
}

CXString
clang_CompileCommand_getArg(CXCompileCommand CCmd, unsigned Arg)
{
  if (!CCmd)
    return createCXString((const char*)NULL);

  CompileCommand *Cmd = static_cast<CompileCommand *>(CCmd);

  if (Arg >= Cmd->CommandLine.size())
    return createCXString((const char*)NULL);

  return createCXString(Cmd->CommandLine[Arg]);
}


} // end: extern "C"
OpenPOWER on IntegriCloud