forked from OSchip/llvm-project
137 lines
4.9 KiB
C++
137 lines
4.9 KiB
C++
//===--- CompilationDatabase.cpp - ----------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains implementations of the CompilationDatabase base class
|
|
// and the FixedCompilationDatabase.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include <sstream>
|
|
#include "clang/Tooling/CompilationDatabase.h"
|
|
#include "clang/Tooling/CompilationDatabasePluginRegistry.h"
|
|
#include "clang/Tooling/Tooling.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/system_error.h"
|
|
|
|
namespace clang {
|
|
namespace tooling {
|
|
|
|
CompilationDatabase::~CompilationDatabase() {}
|
|
|
|
CompilationDatabase *
|
|
CompilationDatabase::loadFromDirectory(StringRef BuildDirectory,
|
|
std::string &ErrorMessage) {
|
|
std::stringstream ErrorStream;
|
|
for (CompilationDatabasePluginRegistry::iterator
|
|
It = CompilationDatabasePluginRegistry::begin(),
|
|
Ie = CompilationDatabasePluginRegistry::end();
|
|
It != Ie; ++It) {
|
|
std::string DatabaseErrorMessage;
|
|
OwningPtr<CompilationDatabasePlugin> Plugin(It->instantiate());
|
|
if (CompilationDatabase *DB =
|
|
Plugin->loadFromDirectory(BuildDirectory, DatabaseErrorMessage))
|
|
return DB;
|
|
else
|
|
ErrorStream << It->getName() << ": " << DatabaseErrorMessage << "\n";
|
|
}
|
|
ErrorMessage = ErrorStream.str();
|
|
return NULL;
|
|
}
|
|
|
|
static CompilationDatabase *
|
|
findCompilationDatabaseFromDirectory(StringRef Directory,
|
|
std::string &ErrorMessage) {
|
|
std::stringstream ErrorStream;
|
|
while (!Directory.empty()) {
|
|
std::string LoadErrorMessage;
|
|
|
|
if (CompilationDatabase *DB =
|
|
CompilationDatabase::loadFromDirectory(Directory, LoadErrorMessage))
|
|
return DB;
|
|
ErrorStream << "No compilation database found in " << Directory.str()
|
|
<< "\n" << LoadErrorMessage;
|
|
|
|
Directory = llvm::sys::path::parent_path(Directory);
|
|
}
|
|
ErrorMessage = ErrorStream.str();
|
|
return NULL;
|
|
}
|
|
|
|
CompilationDatabase *
|
|
CompilationDatabase::autoDetectFromSource(StringRef SourceFile,
|
|
std::string &ErrorMessage) {
|
|
llvm::SmallString<1024> AbsolutePath(getAbsolutePath(SourceFile));
|
|
StringRef Directory = llvm::sys::path::parent_path(AbsolutePath);
|
|
|
|
CompilationDatabase *DB = findCompilationDatabaseFromDirectory(Directory,
|
|
ErrorMessage);
|
|
|
|
if (!DB)
|
|
ErrorMessage = ("Could not auto-detect compilation database for file \"" +
|
|
SourceFile + "\"\n" + ErrorMessage).str();
|
|
return DB;
|
|
}
|
|
|
|
CompilationDatabase *
|
|
CompilationDatabase::autoDetectFromDirectory(StringRef SourceDir,
|
|
std::string &ErrorMessage) {
|
|
llvm::SmallString<1024> AbsolutePath(getAbsolutePath(SourceDir));
|
|
|
|
CompilationDatabase *DB = findCompilationDatabaseFromDirectory(AbsolutePath,
|
|
ErrorMessage);
|
|
|
|
if (!DB)
|
|
ErrorMessage = ("Could not auto-detect compilation database from directory \"" +
|
|
SourceDir + "\"\n" + ErrorMessage).str();
|
|
return DB;
|
|
}
|
|
|
|
CompilationDatabasePlugin::~CompilationDatabasePlugin() {}
|
|
|
|
FixedCompilationDatabase *
|
|
FixedCompilationDatabase::loadFromCommandLine(int &Argc,
|
|
const char **Argv,
|
|
Twine Directory) {
|
|
const char **DoubleDash = std::find(Argv, Argv + Argc, StringRef("--"));
|
|
if (DoubleDash == Argv + Argc)
|
|
return NULL;
|
|
std::vector<std::string> CommandLine(DoubleDash + 1, Argv + Argc);
|
|
Argc = DoubleDash - Argv;
|
|
return new FixedCompilationDatabase(Directory, CommandLine);
|
|
}
|
|
|
|
FixedCompilationDatabase::
|
|
FixedCompilationDatabase(Twine Directory, ArrayRef<std::string> CommandLine) {
|
|
std::vector<std::string> ToolCommandLine(1, "clang-tool");
|
|
ToolCommandLine.insert(ToolCommandLine.end(),
|
|
CommandLine.begin(), CommandLine.end());
|
|
CompileCommands.push_back(CompileCommand(Directory, ToolCommandLine));
|
|
}
|
|
|
|
std::vector<CompileCommand>
|
|
FixedCompilationDatabase::getCompileCommands(StringRef FilePath) const {
|
|
std::vector<CompileCommand> Result(CompileCommands);
|
|
Result[0].CommandLine.push_back(FilePath);
|
|
return Result;
|
|
}
|
|
|
|
std::vector<std::string>
|
|
FixedCompilationDatabase::getAllFiles() const {
|
|
return std::vector<std::string>();
|
|
}
|
|
|
|
// This anchor is used to force the linker to link in the generated object file
|
|
// and thus register the JSONCompilationDatabasePlugin.
|
|
extern volatile int JSONAnchorSource;
|
|
static int JSONAnchorDest = JSONAnchorSource;
|
|
|
|
} // end namespace tooling
|
|
} // end namespace clang
|