Implement SourceConverter (#26)

include/Basic/SourceCode.h

@@ -1,30 +0,0 @@
-#pragma once
-
-#include <Basic/Location.h>
-#include <clang/Basic/SourceLocation.h>
-
-namespace clice {
-
-/// Measure the length of the content with the specified encoding kind.
-std::size_t remeasure(llvm::StringRef content, proto::PositionEncodingKind kind);
-
-/// Convert a clang::SourceLocation to a proto::Position according to the
-/// specified encoding kind. Note that `SourceLocation` in clang is 1-based and
-/// is always encoded in UTF-8.
-proto::Position toPosition(llvm::StringRef content,
-                           clang::SourceLocation location,
-                           proto::PositionEncodingKind kind,
-                           const clang::SourceManager& SM);
-
-/// Same as above, but content is retrieved from the `SourceManager`.
-proto::Position toPosition(clang::SourceLocation location,
-                           proto::PositionEncodingKind kind,
-                           const clang::SourceManager& SM);
-
-/// Convert a proto::Position to a file offset in the content with the specified
-/// encoding kind.
-std::size_t toOffset(llvm::StringRef content,
-                     proto::Position position,
-                     proto::PositionEncodingKind kind);
-
-}  // namespace clice