#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 {
class InputInfo {
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;
}
std::string getAsString() const {
if (isFilename())
return std::string("\"") + getFilename() + '"';
else if (isInputArg())
return "(input arg)";
else
return "(nothing)";
}
};
} }
#endif