[cfe-commits] r65937 - in /cfe/trunk/include/clang/Driver: Arg.h ArgList.h Util.h
Daniel Dunbar
daniel at zuster.org
Mon Mar 2 23:34:45 PST 2009
Author: ddunbar
Date: Tue Mar 3 01:34:45 2009
New Revision: 65937
URL: http://llvm.org/viewvc/llvm-project?rev=65937&view=rev
Log:
Driver: Sketch Arg & ArgList classes.
Added:
cfe/trunk/include/clang/Driver/Arg.h
cfe/trunk/include/clang/Driver/ArgList.h
cfe/trunk/include/clang/Driver/Util.h
Added: cfe/trunk/include/clang/Driver/Arg.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Arg.h?rev=65937&view=auto
==============================================================================
--- cfe/trunk/include/clang/Driver/Arg.h (added)
+++ cfe/trunk/include/clang/Driver/Arg.h Tue Mar 3 01:34:45 2009
@@ -0,0 +1,131 @@
+//===--- Arg.h - Parsed Argument Classes ------------------------*- 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_ARG_H_
+#define CLANG_DRIVER_ARG_H_
+
+#include "Util.h"
+#include "llvm/ADT/ilist_node.h"
+
+namespace clang {
+namespace driver {
+ class ArgList;
+ class Option;
+
+ /// Arg - A concrete instance of a particular driver option.
+ ///
+ /// The Arg class encodes just enough information to be able to
+ /// derive the argument values efficiently. In addition, Arg
+ /// instances have an intrusive double linked list which is used by
+ /// ArgList to provide efficient iteration over all instances of a
+ /// particular option.
+ class Arg : public llvm::ilist_node<Arg> {
+ private:
+ enum ArgClass {
+ PositionalArg = 0,
+ JoinedArg,
+ SeparateArg,
+ CommaJoinedArg,
+ JoinedAndSeparateArg
+ };
+
+ /// The option this argument is an instance of.
+ const Option *Opt;
+
+ /// The index at which this argument appears in the containing
+ /// ArgList.
+ unsigned Index;
+
+ protected:
+ Arg(ArgClass Kind, const Option *Opt, unsigned Index);
+
+ public:
+ Arg(const Arg &);
+
+ /// render - Append the argument onto the given array as strings.
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const = 0;
+ virtual const char *getValue(const ArgList &Args, unsigned N) const = 0;
+
+ const Option *getOption() const { return Opt; }
+
+ unsigned getIndex() const { return Index; }
+ };
+
+ /// PositionalArg - A simple positional argument.
+ class PositionalArg : public Arg {
+ public:
+ PositionalArg(const Option *Opt, unsigned Index);
+
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const { return 1; }
+ virtual const char *getValue(const ArgList &Args, unsigned N) const;
+ };
+
+ /// JoinedArg - A single value argument where the value is joined
+ /// (suffixed) to the option.
+ class JoinedArg : public Arg {
+ public:
+ JoinedArg(const Option *Opt, unsigned Index);
+
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const { return 1; }
+ virtual const char *getValue(const ArgList &Args, unsigned N) const;
+ };
+
+ /// SeparateArg - An argument where one or more values follow the
+ /// option specifier immediately in the argument vector.
+ class SeparateArg : public Arg {
+ unsigned NumValues;
+
+ public:
+ SeparateArg(const Option *Opt, unsigned Index, unsigned NumValues);
+
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const { return NumValues; }
+ virtual const char *getValue(const ArgList &Args, unsigned N) const;
+ };
+
+ /// CommaJoinedArg - An argument with multiple values joined by
+ /// commas and joined (suffixed) to the option specifier.
+ ///
+ /// The key point of this arg is that it renders its values into
+ /// separate arguments, which allows it to be used as a generic
+ /// mechanism for passing arguments through to tools.
+ class CommaJoinedArg : public Arg {
+ unsigned NumValues;
+
+ public:
+ CommaJoinedArg(const Option *Opt, unsigned Index, unsigned NumValues);
+
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const { return NumValues; }
+ virtual const char *getValue(const ArgList &Args, unsigned N) const;
+ };
+
+ /// JoinedAndSeparateArg - An argument with both joined and separate
+ /// values.
+ class JoinedAndSeparateArg : public Arg {
+ public:
+ JoinedAndSeparateArg(const Option *Opt, unsigned Index);
+
+ virtual void render(const ArgList &Args, ArgStringList &Output) const = 0;
+
+ virtual unsigned getNumValues() const { return 2; }
+ virtual const char *getValue(const ArgList &Args, unsigned N) const;
+ };
+} // end namespace driver
+} // end namespace clang
+
+#endif
Added: cfe/trunk/include/clang/Driver/ArgList.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/ArgList.h?rev=65937&view=auto
==============================================================================
--- cfe/trunk/include/clang/Driver/ArgList.h (added)
+++ cfe/trunk/include/clang/Driver/ArgList.h Tue Mar 3 01:34:45 2009
@@ -0,0 +1,67 @@
+//===--- ArgList.h - Argument List Management ----------*- 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_ARGLIST_H_
+#define CLANG_DRIVER_ARGLIST_H_
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallVector.h"
+
+namespace clang {
+namespace driver {
+ class Arg;
+
+ /// ArgList - Ordered collection of driver arguments.
+ ///
+ /// The ArgList class manages a list of Arg instances as well as
+ /// auxiliary data and convenience methods to allow Tools to quickly
+ /// check for the presence of Arg instances for a particular Option
+ /// and to iterate over groups of arguments.
+ class ArgList {
+ public:
+ typedef llvm::SmallVector<Arg*, 16> arglist_type;
+ typedef arglist_type::iterator iterator;
+ typedef arglist_type::const_iterator const_iterator;
+
+ private:
+ /// List of argument strings used by the contained Args.
+ ArgStringList ArgStrings;
+
+ /// The full list of arguments.
+ llvm::SmallVector<Arg*, 16> Args;
+
+ /// A map of arguments by option ID; in conjunction with the
+ /// intrusive list in Arg instances this allows iterating over all
+ /// arguments for a particular option.
+ llvm::DenseMap<unsigned, Arg*> ArgMap;
+
+ public:
+ ArgList(unsigned argc, const char **argv);
+ ArgList(const ArgList &);
+ ~ArgList();
+
+ unsigned size() const { return Args.size(); }
+
+ iterator begin() { return Args.begin(); }
+ iterator end() { return Args.end(); }
+
+ const_iterator begin() const { return Args.begin(); }
+ const_iterator end() const { return Args.end(); }
+
+ Arg *getArgForID(unsigned ID) const {
+ llvm::DenseMap<unsigned, Arg*>::iterator it = ArgMap.find(ID);
+ if (it != ArgMap.end())
+ return it->second;
+ return 0;
+ }
+ };
+} // end namespace driver
+} // end namespace clang
+
+#endif
Added: cfe/trunk/include/clang/Driver/Util.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Util.h?rev=65937&view=auto
==============================================================================
--- cfe/trunk/include/clang/Driver/Util.h (added)
+++ cfe/trunk/include/clang/Driver/Util.h Tue Mar 3 01:34:45 2009
@@ -0,0 +1,23 @@
+//===--- Util.h - Common Driver Utilities -----------------------*- 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_UTIL_H_
+#define CLANG_DRIVER_UTIL_H_
+
+#include "llvm/ADT/SmallVector.h"
+
+namespace clang {
+namespace driver {
+ /// ArgStringList - Type used for constructing argv lists for subprocesses.
+ typedef llvm::SmallVector<const char*, 16> ArgStringList;
+
+} // end namespace driver
+} // end namespace clang
+
+#endif
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