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//===--- ToolChain.h - Collections of tools for one platform ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_DRIVER_TOOLCHAIN_H_
#define CLANG_DRIVER_TOOLCHAIN_H_
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/System/Path.h"
#include <string>
namespace clang {
namespace driver {
class Compilation;
class DerivedArgList;
class HostInfo;
class InputArgList;
class JobAction;
class Tool;
/// ToolChain - Access to tools for a single platform.
class ToolChain {
public:
typedef llvm::SmallVector<std::string, 4> path_list;
private:
const HostInfo &Host;
const llvm::Triple Triple;
/// The list of toolchain specific path prefixes to search for
/// files.
path_list FilePaths;
/// The list of toolchain specific path prefixes to search for
/// programs.
path_list ProgramPaths;
protected:
ToolChain(const HostInfo &Host, const llvm::Triple &_Triple);
public:
virtual ~ToolChain();
// Accessors
const HostInfo &getHost() const { return Host; }
std::string getArchName() const { return Triple.getArchName(); }
std::string getPlatform() const { return Triple.getVendorName(); }
std::string getOS() const { return Triple.getOSName(); }
std::string getTripleString() const {
return Triple.getTriple();
}
path_list &getFilePaths() { return FilePaths; }
const path_list &getFilePaths() const { return FilePaths; }
path_list &getProgramPaths() { return ProgramPaths; }
const path_list &getProgramPaths() const { return ProgramPaths; }
// Tool access.
/// TranslateArgs - Create a new derived argument list for any
/// argument translations this ToolChain may wish to perform.
virtual DerivedArgList *TranslateArgs(InputArgList &Args) const = 0;
/// SelectTool - Choose a tool to use to handle the action \arg JA.
virtual Tool &SelectTool(const Compilation &C, const JobAction &JA) const = 0;
// Helper methods
llvm::sys::Path GetFilePath(const Compilation &C, const char *Name) const;
llvm::sys::Path GetProgramPath(const Compilation &C, const char *Name,
bool WantFile = false) const;
// Platform defaults information
/// IsMathErrnoDefault - Does this tool chain set -fmath-errno by
/// default.
virtual bool IsMathErrnoDefault() const = 0;
/// IsUnwindTablesDefault - Does this tool chain use -funwind-tables
/// by default.
virtual bool IsUnwindTablesDefault() const = 0;
/// GetDefaultRelocationModel - Return the LLVM name of the default
/// relocation model for this tool chain.
virtual const char *GetDefaultRelocationModel() const = 0;
/// GetForcedPicModel - Return the LLVM name of the forced PIC model
/// for this tool chain, or 0 if this tool chain does not force a
/// particular PIC mode.
virtual const char *GetForcedPicModel() const = 0;
};
} // end namespace driver
} // end namespace clang
#endif
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