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//===- ARCMigrate.cpp - Clang-C ARC Migration Library ---------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the main API hooks in the Clang-C ARC Migration library.
//
//===----------------------------------------------------------------------===//
#include "clang-c/Index.h"
#include "CXString.h"
#include "clang/ARCMigrate/ARCMT.h"
#include "clang/Frontend/TextDiagnosticBuffer.h"
#include "llvm/Support/FileSystem.h"
using namespace clang;
using namespace arcmt;
namespace {
struct Remap {
std::vector<std::pair<std::string, std::string> > Vec;
};
} // anonymous namespace.
//===----------------------------------------------------------------------===//
// libClang public APIs.
//===----------------------------------------------------------------------===//
extern "C" {
CXRemapping clang_getRemappings(const char *migrate_dir_path) {
bool Logging = ::getenv("LIBCLANG_LOGGING");
if (!migrate_dir_path) {
if (Logging)
llvm::errs() << "clang_getRemappings was called with NULL parameter\n";
return 0;
}
bool exists = false;
llvm::sys::fs::exists(migrate_dir_path, exists);
if (!exists) {
if (Logging) {
llvm::errs() << "Error by clang_getRemappings(\"" << migrate_dir_path
<< "\")\n";
llvm::errs() << "\"" << migrate_dir_path << "\" does not exist\n";
}
return 0;
}
TextDiagnosticBuffer diagBuffer;
OwningPtr<Remap> remap(new Remap());
bool err = arcmt::getFileRemappings(remap->Vec, migrate_dir_path,&diagBuffer);
if (err) {
if (Logging) {
llvm::errs() << "Error by clang_getRemappings(\"" << migrate_dir_path
<< "\")\n";
for (TextDiagnosticBuffer::const_iterator
I = diagBuffer.err_begin(), E = diagBuffer.err_end(); I != E; ++I)
llvm::errs() << I->second << '\n';
}
return 0;
}
return remap.take();
}
CXRemapping clang_getRemappingsFromFileList(const char **filePaths,
unsigned numFiles) {
bool Logging = ::getenv("LIBCLANG_LOGGING");
OwningPtr<Remap> remap(new Remap());
if (numFiles == 0) {
if (Logging)
llvm::errs() << "clang_getRemappingsFromFileList was called with "
"numFiles=0\n";
return remap.take();
}
if (!filePaths) {
if (Logging)
llvm::errs() << "clang_getRemappingsFromFileList was called with "
"NULL filePaths\n";
return 0;
}
TextDiagnosticBuffer diagBuffer;
SmallVector<StringRef, 32> Files;
for (unsigned i = 0; i != numFiles; ++i)
Files.push_back(filePaths[i]);
bool err = arcmt::getFileRemappingsFromFileList(remap->Vec, Files,
&diagBuffer);
if (err) {
if (Logging) {
llvm::errs() << "Error by clang_getRemappingsFromFileList\n";
for (TextDiagnosticBuffer::const_iterator
I = diagBuffer.err_begin(), E = diagBuffer.err_end(); I != E; ++I)
llvm::errs() << I->second << '\n';
}
return remap.take();
}
return remap.take();
}
unsigned clang_remap_getNumFiles(CXRemapping map) {
return static_cast<Remap *>(map)->Vec.size();
}
void clang_remap_getFilenames(CXRemapping map, unsigned index,
CXString *original, CXString *transformed) {
if (original)
*original = cxstring::createCXString(
static_cast<Remap *>(map)->Vec[index].first,
/*DupString =*/ true);
if (transformed)
*transformed = cxstring::createCXString(
static_cast<Remap *>(map)->Vec[index].second,
/*DupString =*/ true);
}
void clang_remap_dispose(CXRemapping map) {
delete static_cast<Remap *>(map);
}
} // end: extern "C"
|
