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" |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 11 | |
| 12 | #include "clang/Driver/Arg.h" |
| 13 | #include "clang/Driver/ArgList.h" |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 14 | #include "llvm/Support/raw_ostream.h" |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 15 | #include <cassert> |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 16 | #include <algorithm> |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 17 | using namespace clang::driver; |
| 18 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 19 | Option::Option(OptionClass _Kind, unsigned _ID, const char *_Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 20 | const OptionGroup *_Group, const Option *_Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 21 | : Kind(_Kind), ID(_ID), Name(_Name), Group(_Group), Alias(_Alias), |
Daniel Dunbar | 0f9098e | 2009-03-04 21:05:23 +0000 | [diff] [blame] | 22 | Unsupported(false), LinkerInput(false), NoOptAsInput(false), |
Daniel Dunbar | 6d954d7 | 2009-03-18 08:01:15 +0000 | [diff] [blame] | 23 | ForceSeparateRender(false), ForceJoinedRender(false), |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 24 | DriverOption(false), NoArgumentUnused(false) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 25 | |
| 26 | // Multi-level aliases are not supported, and alias options cannot |
| 27 | // have groups. This just simplifies option tracking, it is not an |
| 28 | // inherent limitation. |
| 29 | assert((!Alias || (!Alias->Alias && !Group)) && |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 30 | "Multi-level aliases and aliases with groups are unsupported."); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 31 | } |
| 32 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 33 | Option::~Option() { |
| 34 | } |
| 35 | |
| 36 | void Option::dump() const { |
| 37 | llvm::errs() << "<"; |
| 38 | switch (Kind) { |
| 39 | default: |
| 40 | assert(0 && "Invalid kind"); |
| 41 | #define P(N) case N: llvm::errs() << #N; break |
| 42 | P(GroupClass); |
| 43 | P(InputClass); |
| 44 | P(UnknownClass); |
| 45 | P(FlagClass); |
| 46 | P(JoinedClass); |
| 47 | P(SeparateClass); |
| 48 | P(CommaJoinedClass); |
| 49 | P(MultiArgClass); |
| 50 | P(JoinedOrSeparateClass); |
| 51 | P(JoinedAndSeparateClass); |
| 52 | #undef P |
| 53 | } |
| 54 | |
| 55 | llvm::errs() << " Name:\"" << Name << '"'; |
| 56 | |
| 57 | if (Group) { |
| 58 | llvm::errs() << " Group:"; |
| 59 | Group->dump(); |
| 60 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 61 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 62 | if (Alias) { |
| 63 | llvm::errs() << " Alias:"; |
| 64 | Alias->dump(); |
| 65 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 66 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 67 | if (const MultiArgOption *MOA = dyn_cast<MultiArgOption>(this)) |
| 68 | llvm::errs() << " NumArgs:" << MOA->getNumArgs(); |
| 69 | |
| 70 | llvm::errs() << ">\n"; |
| 71 | } |
| 72 | |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 73 | bool Option::matches(const Option *Opt) const { |
Daniel Dunbar | b32aa51 | 2009-11-19 03:26:50 +0000 | [diff] [blame^] | 74 | // Aliases are never considered in matching, look through them. |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 75 | if (Alias) |
| 76 | return Alias->matches(Opt); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 77 | |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 78 | if (this == Opt) |
| 79 | return true; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 80 | |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 81 | if (Group) |
| 82 | return Group->matches(Opt); |
| 83 | return false; |
| 84 | } |
| 85 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 86 | bool Option::matches(unsigned Id) const { |
Daniel Dunbar | b32aa51 | 2009-11-19 03:26:50 +0000 | [diff] [blame^] | 87 | // Aliases are never considered in matching, look through them. |
Daniel Dunbar | cf0dd15 | 2009-03-12 01:34:20 +0000 | [diff] [blame] | 88 | if (Alias) |
| 89 | return Alias->matches(Id); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 90 | |
Daniel Dunbar | cf0dd15 | 2009-03-12 01:34:20 +0000 | [diff] [blame] | 91 | if (ID == Id) |
| 92 | return true; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 93 | |
Daniel Dunbar | cf0dd15 | 2009-03-12 01:34:20 +0000 | [diff] [blame] | 94 | if (Group) |
| 95 | return Group->matches(Id); |
| 96 | return false; |
| 97 | } |
| 98 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 99 | OptionGroup::OptionGroup(unsigned ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 100 | const OptionGroup *Group) |
| 101 | : Option(Option::GroupClass, ID, Name, Group, 0) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 102 | } |
| 103 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 104 | Arg *OptionGroup::accept(const InputArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 105 | assert(0 && "accept() should never be called on an OptionGroup"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 106 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 107 | } |
| 108 | |
| 109 | InputOption::InputOption() |
Daniel Dunbar | b349fcc | 2009-03-12 03:42:54 +0000 | [diff] [blame] | 110 | : Option(Option::InputClass, options::OPT_INPUT, "<input>", 0, 0) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 111 | } |
| 112 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 113 | Arg *InputOption::accept(const InputArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 114 | assert(0 && "accept() should never be called on an InputOption"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 115 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | UnknownOption::UnknownOption() |
Daniel Dunbar | b349fcc | 2009-03-12 03:42:54 +0000 | [diff] [blame] | 119 | : Option(Option::UnknownClass, options::OPT_UNKNOWN, "<unknown>", 0, 0) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 120 | } |
| 121 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 122 | Arg *UnknownOption::accept(const InputArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 123 | assert(0 && "accept() should never be called on an UnknownOption"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 124 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 125 | } |
| 126 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 127 | FlagOption::FlagOption(unsigned ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 128 | const OptionGroup *Group, const Option *Alias) |
| 129 | : Option(Option::FlagClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 132 | Arg *FlagOption::accept(const InputArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 133 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 134 | // FIXME: Avoid strlen. |
| 135 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 136 | return 0; |
| 137 | |
Daniel Dunbar | 0648262 | 2009-03-05 06:38:47 +0000 | [diff] [blame] | 138 | return new FlagArg(this, Index++); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 139 | } |
| 140 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 141 | JoinedOption::JoinedOption(unsigned ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 142 | const OptionGroup *Group, const Option *Alias) |
| 143 | : Option(Option::JoinedClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 146 | Arg *JoinedOption::accept(const InputArgList &Args, unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 147 | // Always matches. |
| 148 | return new JoinedArg(this, Index++); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 149 | } |
| 150 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 151 | CommaJoinedOption::CommaJoinedOption(unsigned ID, const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 152 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 153 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 154 | : Option(Option::CommaJoinedClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 155 | } |
| 156 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 157 | Arg *CommaJoinedOption::accept(const InputArgList &Args, |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 158 | unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 159 | // Always matches. We count the commas now so we can answer |
| 160 | // getNumValues easily. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 161 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 162 | // Get the suffix string. |
| 163 | // FIXME: Avoid strlen, and move to helper method? |
| 164 | const char *Suffix = Args.getArgString(Index) + strlen(getName()); |
Daniel Dunbar | 0648262 | 2009-03-05 06:38:47 +0000 | [diff] [blame] | 165 | return new CommaJoinedArg(this, Index++, Suffix); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 166 | } |
| 167 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 168 | SeparateOption::SeparateOption(unsigned ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 169 | const OptionGroup *Group, const Option *Alias) |
| 170 | : Option(Option::SeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 173 | Arg *SeparateOption::accept(const InputArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 174 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 175 | // FIXME: Avoid strlen. |
| 176 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 177 | return 0; |
| 178 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 179 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 180 | if (Index > Args.getNumInputArgStrings()) |
| 181 | return 0; |
| 182 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 183 | return new SeparateArg(this, Index - 2, 1); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 184 | } |
| 185 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 186 | MultiArgOption::MultiArgOption(unsigned ID, const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 187 | const OptionGroup *Group, const Option *Alias, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 188 | unsigned _NumArgs) |
| 189 | : Option(Option::MultiArgClass, ID, Name, Group, Alias), NumArgs(_NumArgs) { |
Daniel Dunbar | 644eade | 2009-03-12 05:46:32 +0000 | [diff] [blame] | 190 | assert(NumArgs > 1 && "Invalid MultiArgOption!"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 191 | } |
| 192 | |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 193 | Arg *MultiArgOption::accept(const InputArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 194 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 195 | // FIXME: Avoid strlen. |
| 196 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 197 | return 0; |
| 198 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 199 | Index += 1 + NumArgs; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 200 | if (Index > Args.getNumInputArgStrings()) |
| 201 | return 0; |
| 202 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 203 | return new SeparateArg(this, Index - 1 - NumArgs, NumArgs); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 204 | } |
| 205 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 206 | JoinedOrSeparateOption::JoinedOrSeparateOption(unsigned ID, const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 207 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 208 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 209 | : Option(Option::JoinedOrSeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 210 | } |
| 211 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 212 | Arg *JoinedOrSeparateOption::accept(const InputArgList &Args, |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 213 | unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 214 | // If this is not an exact match, it is a joined arg. |
| 215 | // FIXME: Avoid strlen. |
| 216 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 217 | return new JoinedArg(this, Index++); |
| 218 | |
| 219 | // Otherwise it must be separate. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 220 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 221 | if (Index > Args.getNumInputArgStrings()) |
| 222 | return 0; |
| 223 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 224 | return new SeparateArg(this, Index - 2, 1); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 225 | } |
| 226 | |
Daniel Dunbar | 1d189e1 | 2009-11-18 20:19:19 +0000 | [diff] [blame] | 227 | JoinedAndSeparateOption::JoinedAndSeparateOption(unsigned ID, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 228 | const char *Name, |
| 229 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 230 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 231 | : Option(Option::JoinedAndSeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 232 | } |
| 233 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 234 | Arg *JoinedAndSeparateOption::accept(const InputArgList &Args, |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 235 | unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 236 | // Always matches. |
| 237 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 238 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 239 | if (Index > Args.getNumInputArgStrings()) |
| 240 | return 0; |
| 241 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 242 | return new JoinedAndSeparateArg(this, Index - 2); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 243 | } |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 244 | |