SimpleFormatContext.h [plain text]
#ifndef LLVM_CLANG_LIB_INDEX_SIMPLEFORMATCONTEXT_H
#define LLVM_CLANG_LIB_INDEX_SIMPLEFORMATCONTEXT_H
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
namespace clang {
namespace index {
class SimpleFormatContext {
public:
SimpleFormatContext(LangOptions Options)
: DiagOpts(new DiagnosticOptions()),
Diagnostics(new DiagnosticsEngine(new DiagnosticIDs,
DiagOpts.get())),
InMemoryFileSystem(new vfs::InMemoryFileSystem),
Files(FileSystemOptions(), InMemoryFileSystem),
Sources(*Diagnostics, Files),
Rewrite(Sources, Options) {
Diagnostics->setClient(new IgnoringDiagConsumer, true);
}
FileID createInMemoryFile(StringRef Name, StringRef Content) {
InMemoryFileSystem->addFile(Name, 0,
llvm::MemoryBuffer::getMemBuffer(Content));
const FileEntry *Entry = Files.getFile(Name);
assert(Entry != nullptr);
return Sources.createFileID(Entry, SourceLocation(), SrcMgr::C_User);
}
std::string getRewrittenText(FileID ID) {
std::string Result;
llvm::raw_string_ostream OS(Result);
Rewrite.getEditBuffer(ID).write(OS);
OS.flush();
return Result;
}
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
IntrusiveRefCntPtr<DiagnosticsEngine> Diagnostics;
IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem;
FileManager Files;
SourceManager Sources;
Rewriter Rewrite;
};
} }
#endif