Nick Lewycky | 3fdcc6f | 2010-12-31 17:31:54 +0000 | [diff] [blame] | 1 | //===--- Option.cpp - Abstract Driver Options -----------------------------===// |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 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 | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 19 | Option::Option(OptionClass _Kind, OptSpecifier _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 | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 21 | : Kind(_Kind), ID(_ID.getID()), 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 | caeed1d | 2010-08-13 04:44:20 +0000 | [diff] [blame] | 23 | DriverOption(false), NoArgumentUnused(false), NoForward(false) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 24 | |
| 25 | // Multi-level aliases are not supported, and alias options cannot |
| 26 | // have groups. This just simplifies option tracking, it is not an |
| 27 | // inherent limitation. |
| 28 | assert((!Alias || (!Alias->Alias && !Group)) && |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 29 | "Multi-level aliases and aliases with groups are unsupported."); |
Daniel Dunbar | e375c4a | 2010-06-09 22:31:04 +0000 | [diff] [blame] | 30 | |
| 31 | // Initialize rendering options based on the class. |
| 32 | switch (Kind) { |
| 33 | case GroupClass: |
| 34 | case InputClass: |
| 35 | case UnknownClass: |
| 36 | RenderStyle = RenderValuesStyle; |
| 37 | break; |
| 38 | |
| 39 | case JoinedClass: |
| 40 | case JoinedAndSeparateClass: |
| 41 | RenderStyle = RenderJoinedStyle; |
| 42 | break; |
| 43 | |
| 44 | case CommaJoinedClass: |
| 45 | RenderStyle = RenderCommaJoinedStyle; |
| 46 | break; |
| 47 | |
| 48 | case FlagClass: |
| 49 | case SeparateClass: |
| 50 | case MultiArgClass: |
| 51 | case JoinedOrSeparateClass: |
| 52 | RenderStyle = RenderSeparateStyle; |
| 53 | break; |
| 54 | } |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 55 | } |
| 56 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 57 | Option::~Option() { |
| 58 | } |
| 59 | |
| 60 | void Option::dump() const { |
| 61 | llvm::errs() << "<"; |
| 62 | switch (Kind) { |
| 63 | default: |
| 64 | assert(0 && "Invalid kind"); |
| 65 | #define P(N) case N: llvm::errs() << #N; break |
| 66 | P(GroupClass); |
| 67 | P(InputClass); |
| 68 | P(UnknownClass); |
| 69 | P(FlagClass); |
| 70 | P(JoinedClass); |
| 71 | P(SeparateClass); |
| 72 | P(CommaJoinedClass); |
| 73 | P(MultiArgClass); |
| 74 | P(JoinedOrSeparateClass); |
| 75 | P(JoinedAndSeparateClass); |
| 76 | #undef P |
| 77 | } |
| 78 | |
| 79 | llvm::errs() << " Name:\"" << Name << '"'; |
| 80 | |
| 81 | if (Group) { |
| 82 | llvm::errs() << " Group:"; |
| 83 | Group->dump(); |
| 84 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 85 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 86 | if (Alias) { |
| 87 | llvm::errs() << " Alias:"; |
| 88 | Alias->dump(); |
| 89 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 90 | |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 91 | if (const MultiArgOption *MOA = dyn_cast<MultiArgOption>(this)) |
| 92 | llvm::errs() << " NumArgs:" << MOA->getNumArgs(); |
| 93 | |
| 94 | llvm::errs() << ">\n"; |
| 95 | } |
| 96 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 97 | bool Option::matches(OptSpecifier Opt) const { |
Daniel Dunbar | b32aa51 | 2009-11-19 03:26:50 +0000 | [diff] [blame] | 98 | // Aliases are never considered in matching, look through them. |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 99 | if (Alias) |
| 100 | return Alias->matches(Opt); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 101 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 102 | // Check exact match. |
| 103 | if (ID == Opt) |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 104 | return true; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 105 | |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 106 | if (Group) |
| 107 | return Group->matches(Opt); |
| 108 | return false; |
| 109 | } |
| 110 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 111 | OptionGroup::OptionGroup(OptSpecifier ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 112 | const OptionGroup *Group) |
| 113 | : Option(Option::GroupClass, ID, Name, Group, 0) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 114 | } |
| 115 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 116 | Arg *OptionGroup::accept(const ArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 117 | assert(0 && "accept() should never be called on an OptionGroup"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 118 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 119 | } |
| 120 | |
Daniel Dunbar | a0289fd | 2009-11-19 04:25:06 +0000 | [diff] [blame] | 121 | InputOption::InputOption(OptSpecifier ID) |
| 122 | : Option(Option::InputClass, ID, "<input>", 0, 0) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 123 | } |
| 124 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 125 | Arg *InputOption::accept(const ArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 126 | assert(0 && "accept() should never be called on an InputOption"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 127 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 128 | } |
| 129 | |
Daniel Dunbar | a0289fd | 2009-11-19 04:25:06 +0000 | [diff] [blame] | 130 | UnknownOption::UnknownOption(OptSpecifier ID) |
| 131 | : Option(Option::UnknownClass, ID, "<unknown>", 0, 0) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 132 | } |
| 133 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 134 | Arg *UnknownOption::accept(const ArgList &Args, unsigned &Index) const { |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 135 | assert(0 && "accept() should never be called on an UnknownOption"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 136 | return 0; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 137 | } |
| 138 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 139 | FlagOption::FlagOption(OptSpecifier ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 140 | const OptionGroup *Group, const Option *Alias) |
| 141 | : Option(Option::FlagClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 142 | } |
| 143 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 144 | Arg *FlagOption::accept(const ArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 145 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 146 | // FIXME: Avoid strlen. |
| 147 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 148 | return 0; |
| 149 | |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 150 | return new Arg(getUnaliasedOption(), Index++); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 151 | } |
| 152 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 153 | JoinedOption::JoinedOption(OptSpecifier ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 154 | const OptionGroup *Group, const Option *Alias) |
| 155 | : Option(Option::JoinedClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 156 | } |
| 157 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 158 | Arg *JoinedOption::accept(const ArgList &Args, unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 159 | // Always matches. |
Daniel Dunbar | 4465a77 | 2010-06-09 22:31:00 +0000 | [diff] [blame] | 160 | const char *Value = Args.getArgString(Index) + strlen(getName()); |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 161 | return new Arg(getUnaliasedOption(), Index++, Value); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 162 | } |
| 163 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 164 | CommaJoinedOption::CommaJoinedOption(OptSpecifier ID, const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 165 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 166 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 167 | : Option(Option::CommaJoinedClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 168 | } |
| 169 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 170 | Arg *CommaJoinedOption::accept(const ArgList &Args, |
Daniel Dunbar | f3cad36 | 2009-03-25 04:13:45 +0000 | [diff] [blame] | 171 | unsigned &Index) const { |
Daniel Dunbar | 532c1ec | 2010-06-09 22:31:08 +0000 | [diff] [blame] | 172 | // Always matches. |
| 173 | const char *Str = Args.getArgString(Index) + strlen(getName()); |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 174 | Arg *A = new Arg(getUnaliasedOption(), Index++); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 175 | |
Daniel Dunbar | 532c1ec | 2010-06-09 22:31:08 +0000 | [diff] [blame] | 176 | // Parse out the comma separated values. |
| 177 | const char *Prev = Str; |
| 178 | for (;; ++Str) { |
| 179 | char c = *Str; |
| 180 | |
| 181 | if (!c || c == ',') { |
| 182 | if (Prev != Str) { |
| 183 | char *Value = new char[Str - Prev + 1]; |
| 184 | memcpy(Value, Prev, Str - Prev); |
| 185 | Value[Str - Prev] = '\0'; |
| 186 | A->getValues().push_back(Value); |
| 187 | } |
| 188 | |
| 189 | if (!c) |
| 190 | break; |
| 191 | |
| 192 | Prev = Str + 1; |
| 193 | } |
| 194 | } |
| 195 | A->setOwnsValues(true); |
| 196 | |
| 197 | return A; |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 198 | } |
| 199 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 200 | SeparateOption::SeparateOption(OptSpecifier ID, const char *Name, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 201 | const OptionGroup *Group, const Option *Alias) |
| 202 | : Option(Option::SeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 205 | Arg *SeparateOption::accept(const ArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 206 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 207 | // FIXME: Avoid strlen. |
| 208 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 209 | return 0; |
| 210 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 211 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 212 | if (Index > Args.getNumInputArgStrings()) |
| 213 | return 0; |
| 214 | |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 215 | return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1)); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 216 | } |
| 217 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 218 | MultiArgOption::MultiArgOption(OptSpecifier ID, const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 219 | const OptionGroup *Group, const Option *Alias, |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 220 | unsigned _NumArgs) |
| 221 | : Option(Option::MultiArgClass, ID, Name, Group, Alias), NumArgs(_NumArgs) { |
Daniel Dunbar | 644eade | 2009-03-12 05:46:32 +0000 | [diff] [blame] | 222 | assert(NumArgs > 1 && "Invalid MultiArgOption!"); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 223 | } |
| 224 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 225 | Arg *MultiArgOption::accept(const ArgList &Args, unsigned &Index) const { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 226 | // Matches iff this is an exact match. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 227 | // FIXME: Avoid strlen. |
| 228 | if (strlen(getName()) != strlen(Args.getArgString(Index))) |
| 229 | return 0; |
| 230 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 231 | Index += 1 + NumArgs; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 232 | if (Index > Args.getNumInputArgStrings()) |
| 233 | return 0; |
| 234 | |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 235 | Arg *A = new Arg(getUnaliasedOption(), Index - 1 - NumArgs, |
| 236 | Args.getArgString(Index - NumArgs)); |
Daniel Dunbar | 4465a77 | 2010-06-09 22:31:00 +0000 | [diff] [blame] | 237 | for (unsigned i = 1; i != NumArgs; ++i) |
| 238 | A->getValues().push_back(Args.getArgString(Index - NumArgs + i)); |
| 239 | return A; |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 240 | } |
| 241 | |
Daniel Dunbar | 312a8b7 | 2010-06-09 18:49:38 +0000 | [diff] [blame] | 242 | JoinedOrSeparateOption::JoinedOrSeparateOption(OptSpecifier ID, |
| 243 | const char *Name, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 244 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 245 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 246 | : Option(Option::JoinedOrSeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 247 | } |
| 248 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 249 | Arg *JoinedOrSeparateOption::accept(const ArgList &Args, |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 250 | unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 251 | // If this is not an exact match, it is a joined arg. |
| 252 | // FIXME: Avoid strlen. |
Daniel Dunbar | 4465a77 | 2010-06-09 22:31:00 +0000 | [diff] [blame] | 253 | if (strlen(getName()) != strlen(Args.getArgString(Index))) { |
| 254 | const char *Value = Args.getArgString(Index) + strlen(getName()); |
Daniel Dunbar | 532c1ec | 2010-06-09 22:31:08 +0000 | [diff] [blame] | 255 | return new Arg(this, Index++, Value); |
Daniel Dunbar | 4465a77 | 2010-06-09 22:31:00 +0000 | [diff] [blame] | 256 | } |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 257 | |
| 258 | // Otherwise it must be separate. |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 259 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 260 | if (Index > Args.getNumInputArgStrings()) |
| 261 | return 0; |
| 262 | |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 263 | return new Arg(getUnaliasedOption(), Index - 2, Args.getArgString(Index - 1)); |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 264 | } |
| 265 | |
Daniel Dunbar | 9e1f982 | 2009-11-19 04:14:53 +0000 | [diff] [blame] | 266 | JoinedAndSeparateOption::JoinedAndSeparateOption(OptSpecifier ID, |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 267 | const char *Name, |
| 268 | const OptionGroup *Group, |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 269 | const Option *Alias) |
Daniel Dunbar | 30b055f | 2009-03-04 21:53:04 +0000 | [diff] [blame] | 270 | : Option(Option::JoinedAndSeparateClass, ID, Name, Group, Alias) { |
Daniel Dunbar | 1eb4e64 | 2009-03-03 05:55:11 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Daniel Dunbar | 785e796 | 2010-06-11 22:00:17 +0000 | [diff] [blame] | 273 | Arg *JoinedAndSeparateOption::accept(const ArgList &Args, |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 274 | unsigned &Index) const { |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 275 | // Always matches. |
| 276 | |
Daniel Dunbar | bbf842b | 2009-03-04 23:22:02 +0000 | [diff] [blame] | 277 | Index += 2; |
Daniel Dunbar | b0c4df5 | 2009-03-22 23:26:43 +0000 | [diff] [blame] | 278 | if (Index > Args.getNumInputArgStrings()) |
| 279 | return 0; |
| 280 | |
Daniel Dunbar | 3856ab3 | 2010-06-09 22:44:34 +0000 | [diff] [blame] | 281 | return new Arg(getUnaliasedOption(), Index - 2, |
| 282 | Args.getArgString(Index-2)+strlen(getName()), |
| 283 | Args.getArgString(Index-1)); |
Daniel Dunbar | 2c6f6f3 | 2009-03-04 08:33:23 +0000 | [diff] [blame] | 284 | } |