[libclang] add CompilationDatabase support
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159484 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexCompilationDB.cpp b/tools/libclang/CIndexCompilationDB.cpp
new file mode 100644
index 0000000..a537c9d
--- /dev/null
+++ b/tools/libclang/CIndexCompilationDB.cpp
@@ -0,0 +1,130 @@
+#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_tooling_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_tooling_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_tooling_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_tooling_CompileCommands_dispose(CXCompileCommands Cmds)
+{
+ delete static_cast<AllocatedCXCompileCommands *>(Cmds);
+}
+
+unsigned
+clang_tooling_CompileCommands_getSize(CXCompileCommands Cmds)
+{
+ if (!Cmds)
+ return 0;
+
+ AllocatedCXCompileCommands *ACC =
+ static_cast<AllocatedCXCompileCommands *>(Cmds);
+
+ return ACC->CCmd.size();
+}
+
+CXCompileCommand
+clang_tooling_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_tooling_CompileCommand_getDirectory(CXCompileCommand CCmd)
+{
+ if (!CCmd)
+ return createCXString((const char*)NULL);
+
+ CompileCommand *cmd = static_cast<CompileCommand *>(CCmd);
+ return createCXString(cmd->Directory);
+}
+
+unsigned
+clang_tooling_CompileCommand_getNumArgs(CXCompileCommand CCmd)
+{
+ if (!CCmd)
+ return 0;
+
+ return static_cast<CompileCommand *>(CCmd)->CommandLine.size();
+}
+
+CXString
+clang_tooling_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"
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index a1090fb..ee401ed 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -8,6 +8,7 @@
CIndex.cpp
CIndexCXX.cpp
CIndexCodeCompletion.cpp
+ CIndexCompilationDB.cpp
CIndexDiagnostic.cpp
CIndexDiagnostic.h
CIndexHigh.cpp
@@ -47,6 +48,7 @@
clangEdit
clangAST
clangLex
+ clangTooling
clangBasic
)
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index c28b3b4..bba883f 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -204,5 +204,14 @@
clang_sortCodeCompletionResults
clang_toggleCrashRecovery
clang_tokenize
+clang_tooling_CompilationDatabase_fromDirectory
+clang_tooling_CompilationDatabase_dispose
+clang_tooling_CompilationDatabase_getCompileCommands
+clang_tooling_CompileCommands_dispose
+clang_tooling_CompileCommands_getSize
+clang_tooling_CompileCommands_getCommand
+clang_tooling_CompileCommand_getDirectory
+clang_tooling_CompileCommand_getNumArgs
+clang_tooling_CompileCommand_getArg
clang_visitChildren
clang_visitChildrenWithBlock