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Diffstat (limited to 'contrib/llvm/tools/clang/lib/Driver/InputInfo.h')
-rw-r--r-- | contrib/llvm/tools/clang/lib/Driver/InputInfo.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/InputInfo.h b/contrib/llvm/tools/clang/lib/Driver/InputInfo.h new file mode 100644 index 0000000..2a2f4b9 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Driver/InputInfo.h @@ -0,0 +1,88 @@ +//===--- InputInfo.h - Input Source & Type Information ----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef CLANG_LIB_DRIVER_INPUTINFO_H_ +#define CLANG_LIB_DRIVER_INPUTINFO_H_ + +#include "clang/Driver/Types.h" + +#include <cassert> +#include <string> + +namespace clang { +namespace driver { + +/// InputInfo - Wrapper for information about an input source. +class InputInfo { + // FIXME: The distinction between filenames and inputarg here is + // gross; we should probably drop the idea of a "linker + // input". Doing so means tweaking pipelining to still create link + // steps when it sees linker inputs (but not treat them as + // arguments), and making sure that arguments get rendered + // correctly. + enum Class { + Nothing, + Filename, + InputArg, + Pipe + }; + + union { + const char *Filename; + const Arg *InputArg; + } Data; + Class Kind; + types::ID Type; + const char *BaseInput; + +public: + InputInfo() {} + InputInfo(types::ID _Type, const char *_BaseInput) + : Kind(Nothing), Type(_Type), BaseInput(_BaseInput) { + } + InputInfo(const char *_Filename, types::ID _Type, const char *_BaseInput) + : Kind(Filename), Type(_Type), BaseInput(_BaseInput) { + Data.Filename = _Filename; + } + InputInfo(const Arg *_InputArg, types::ID _Type, const char *_BaseInput) + : Kind(InputArg), Type(_Type), BaseInput(_BaseInput) { + Data.InputArg = _InputArg; + } + + bool isNothing() const { return Kind == Nothing; } + bool isFilename() const { return Kind == Filename; } + bool isInputArg() const { return Kind == InputArg; } + types::ID getType() const { return Type; } + const char *getBaseInput() const { return BaseInput; } + + const char *getFilename() const { + assert(isFilename() && "Invalid accessor."); + return Data.Filename; + } + const Arg &getInputArg() const { + assert(isInputArg() && "Invalid accessor."); + return *Data.InputArg; + } + + /// getAsString - Return a string name for this input, for + /// debugging. + std::string getAsString() const { + if (isFilename()) + return std::string("\"") + getFilename() + '"'; + else if (isInputArg()) + return "(input arg)"; + else + return "(nothing)"; + } +}; + +} // end namespace driver +} // end namespace clang + +#endif |