-#ifndef TOOL_H_
-#define TOOL_H_
-
-#include <list>
-#include <string>
-#include <msp/fs/path.h>
-
-class Architecture;
-class Builder;
-class BuildInfo;
-class Component;
-class FileTarget;
-class Target;
-class Task;
-
-/**
-Base class for tools. Tools are used to turn targets into other targets.
-Examples include compilers and linkers.
-*/
-class Tool
-{
-public:
- typedef std::list<Msp::FS::Path> SearchPath;
- typedef std::list<std::string> SuffixList;
-
-protected:
- Builder &builder;
- const Architecture *architecture;
- std::string tag;
- FileTarget *executable;
- SuffixList input_suffixes;
- SuffixList aux_suffixes;
- SearchPath system_path;
-
- Tool(Builder &, const std::string &);
- Tool(Builder &, const Architecture &, const std::string &);
-public:
- virtual ~Tool() { }
-
- const std::string &get_tag() const { return tag; }
-
- /** Returns a target for the tool's own executable. If the tool does not
- use an external program, returns null. */
- // XXX The executable target should be retrieved when first needed
- FileTarget *get_executable() const { return executable; }
-
- /// Returns a list of suffixes that can be processed with this tool.
- const SuffixList &get_input_suffixes() const { return input_suffixes; }
-
- /** Returns a list of suffixes that are associated with this tool, but can't
- be processed directly. For example C and C++ headers. */
- const SuffixList &get_auxiliary_suffixes() const { return aux_suffixes; }
-
- /** Indicates whether the tool can accept a suffix. If aux is true,
- auxiliary suffixes are considered as well */
- bool accepts_suffix(const std::string &, bool aux = false) const;
-
- /// Returns the systemwide search path for source files.
- const SearchPath &get_system_path() const { return system_path; }
-
- /// Creates a source file appropriate for this tool.
- virtual Target *create_source(const Component &, const Msp::FS::Path &) const { return 0; }
-
- /** Creates a package-less source file appropriate for this too. This is
- called during dependency discovery when no package has created a target for
- the file. */
- virtual Target *create_source(const Msp::FS::Path &) const { return 0; }
-
- /// Convenience function to create a target from a single source.
- Target *create_target(Target &, const std::string & = std::string()) const;
-
- /** Creates a target from sources. The exact types of accepted sources
- depends on the tool. The optional second argument can be used to select an
- alternative target type for tools that can create multiple kinds of targets. */
- virtual Target *create_target(const std::list<Target *> &, const std::string & = std::string()) const = 0;
-
- virtual std::string create_build_signature(const BuildInfo &) const { return std::string(); }
-
- /** Invokes the tool to build a target. This should not be called directly;
- use Target::build() instead. */
- virtual Task *run(const Target &) const = 0;
-};
-
-/**
-Intermediate base class for tool facets. For example, a linker may need to
-use different commands depending on whether C++ source files are present or
-not, but their presence can't be directly determined from the object files.
-*/
-class SubTool: public Tool
-{
-protected:
- Tool &parent;
-
- SubTool(Tool &);
-};
-
-#endif