Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame^] | 1 | //===--- Option.cpp - Abstract Driver Options ---------------------------*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "clang/Driver/Option.h" |
| 11 | #include <cassert> |
| 12 | using namespace clang; |
| 13 | using namespace clang::driver; |
| 14 | |
| 15 | Option::Option(OptionClass _Kind, const char *_Name, |
| 16 | OptionGroup *_Group, Option *_Alias) |
| 17 | : Kind(_Kind), Name(_Name), Group(_Group), Alias(_Alias) { |
| 18 | |
| 19 | // Multi-level aliases are not supported, and alias options cannot |
| 20 | // have groups. This just simplifies option tracking, it is not an |
| 21 | // inherent limitation. |
| 22 | assert((!Alias || (!Alias->Alias && !Group)) && |
| 23 | "Multi-level aliases and aliases with groups are unsupported."); |
| 24 | } |
| 25 | |
| 26 | bool Option::matches(const Option *Opt) const { |
| 27 | // Aliases are never considered in matching. |
| 28 | if (Opt->getAlias()) |
| 29 | return matches(Opt->getAlias()); |
| 30 | if (Alias) |
| 31 | return Alias->matches(Opt); |
| 32 | |
| 33 | if (this == Opt) |
| 34 | return true; |
| 35 | |
| 36 | if (Group) |
| 37 | return Group->matches(Opt); |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | OptionGroup::OptionGroup(const char *Name, OptionGroup *Group) |
| 42 | : Option(Option::GroupOption, Name, Group, 0) { |
| 43 | } |
| 44 | |
| 45 | InputOption::InputOption() |
| 46 | : Option(Option::InputOption, "<input>", 0, 0) { |
| 47 | } |
| 48 | |
| 49 | UnknownOption::UnknownOption() |
| 50 | : Option(Option::UnknownOption, "<unknown>", 0, 0) { |
| 51 | } |
| 52 | |
| 53 | FlagOption::FlagOption(const char *Name, OptionGroup *Group, Option *Alias) |
| 54 | : Option(Option::FlagOption, Name, Group, Alias) { |
| 55 | } |
| 56 | |
| 57 | |
| 58 | JoinedOption::JoinedOption(const char *Name, OptionGroup *Group, Option *Alias) |
| 59 | : Option(Option::JoinedOption, Name, Group, Alias) { |
| 60 | } |
| 61 | |
| 62 | CommaJoinedOption::CommaJoinedOption(const char *Name, OptionGroup *Group, |
| 63 | Option *Alias) |
| 64 | : Option(Option::CommaJoinedOption, Name, Group, Alias) { |
| 65 | } |
| 66 | |
| 67 | SeparateOption::SeparateOption(const char *Name, OptionGroup *Group, |
| 68 | Option *Alias) |
| 69 | : Option(Option::SeparateOption, Name, Group, Alias) { |
| 70 | } |
| 71 | |
| 72 | MultiArgOption::MultiArgOption(const char *Name, OptionGroup *Group, |
| 73 | Option *Alias, unsigned _NumArgs) |
| 74 | : Option(Option::MultiArgOption, Name, Group, Alias), NumArgs(_NumArgs) { |
| 75 | } |
| 76 | |
| 77 | JoinedOrSeparateOption::JoinedOrSeparateOption(const char *Name, |
| 78 | OptionGroup *Group, |
| 79 | Option *Alias) |
| 80 | : Option(Option::JoinedOrSeparateOption, Name, Group, Alias) { |
| 81 | } |
| 82 | |
| 83 | JoinedAndSeparateOption::JoinedAndSeparateOption(const char *Name, |
| 84 | OptionGroup *Group, |
| 85 | Option *Alias) |
| 86 | : Option(Option::JoinedAndSeparateOption, Name, Group, Alias) { |
| 87 | } |
| 88 | |
| 89 | |