1 //===--- ArgList.cpp - Argument List Management ---------------------------===//
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 "llvm/Option/ArgList.h"
11 #include "llvm/ADT/STLExtras.h"
12 #include "llvm/ADT/SmallString.h"
13 #include "llvm/ADT/Twine.h"
14 #include "llvm/Option/Arg.h"
15 #include "llvm/Option/Option.h"
16 #include "llvm/Support/raw_ostream.h"
17
18 using namespace llvm;
19 using namespace llvm::opt;
20
SkipToNextArg()21 void arg_iterator::SkipToNextArg() {
22 for (; Current != Args.end(); ++Current) {
23 // Done if there are no filters.
24 if (!Id0.isValid())
25 break;
26
27 // Otherwise require a match.
28 const Option &O = (*Current)->getOption();
29 if (O.matches(Id0) ||
30 (Id1.isValid() && O.matches(Id1)) ||
31 (Id2.isValid() && O.matches(Id2)))
32 break;
33 }
34 }
35
append(Arg * A)36 void ArgList::append(Arg *A) {
37 Args.push_back(A);
38 }
39
eraseArg(OptSpecifier Id)40 void ArgList::eraseArg(OptSpecifier Id) {
41 Args.erase(std::remove_if(begin(), end(),
42 [=](Arg *A) { return A->getOption().matches(Id); }),
43 end());
44 }
45
getLastArgNoClaim(OptSpecifier Id) const46 Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
47 // FIXME: Make search efficient?
48 for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
49 if ((*it)->getOption().matches(Id))
50 return *it;
51 return nullptr;
52 }
53
getLastArgNoClaim(OptSpecifier Id0,OptSpecifier Id1) const54 Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const {
55 // FIXME: Make search efficient?
56 for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
57 if ((*it)->getOption().matches(Id0) ||
58 (*it)->getOption().matches(Id1))
59 return *it;
60 return nullptr;
61 }
62
getLastArgNoClaim(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2) const63 Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
64 OptSpecifier Id2) const {
65 // FIXME: Make search efficient?
66 for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
67 if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
68 (*it)->getOption().matches(Id2))
69 return *it;
70 return nullptr;
71 }
72
getLastArgNoClaim(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3) const73 Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
74 OptSpecifier Id2, OptSpecifier Id3) const {
75 // FIXME: Make search efficient?
76 for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
77 if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
78 (*it)->getOption().matches(Id2) || (*it)->getOption().matches(Id3))
79 return *it;
80 return nullptr;
81 }
82
getLastArg(OptSpecifier Id) const83 Arg *ArgList::getLastArg(OptSpecifier Id) const {
84 Arg *Res = nullptr;
85 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
86 if ((*it)->getOption().matches(Id)) {
87 Res = *it;
88 Res->claim();
89 }
90 }
91
92 return Res;
93 }
94
getLastArg(OptSpecifier Id0,OptSpecifier Id1) const95 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
96 Arg *Res = nullptr;
97 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
98 if ((*it)->getOption().matches(Id0) ||
99 (*it)->getOption().matches(Id1)) {
100 Res = *it;
101 Res->claim();
102
103 }
104 }
105
106 return Res;
107 }
108
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2) const109 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
110 OptSpecifier Id2) const {
111 Arg *Res = nullptr;
112 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
113 if ((*it)->getOption().matches(Id0) ||
114 (*it)->getOption().matches(Id1) ||
115 (*it)->getOption().matches(Id2)) {
116 Res = *it;
117 Res->claim();
118 }
119 }
120
121 return Res;
122 }
123
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3) const124 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
125 OptSpecifier Id2, OptSpecifier Id3) const {
126 Arg *Res = nullptr;
127 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
128 if ((*it)->getOption().matches(Id0) ||
129 (*it)->getOption().matches(Id1) ||
130 (*it)->getOption().matches(Id2) ||
131 (*it)->getOption().matches(Id3)) {
132 Res = *it;
133 Res->claim();
134 }
135 }
136
137 return Res;
138 }
139
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3,OptSpecifier Id4) const140 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
141 OptSpecifier Id2, OptSpecifier Id3,
142 OptSpecifier Id4) const {
143 Arg *Res = nullptr;
144 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
145 if ((*it)->getOption().matches(Id0) ||
146 (*it)->getOption().matches(Id1) ||
147 (*it)->getOption().matches(Id2) ||
148 (*it)->getOption().matches(Id3) ||
149 (*it)->getOption().matches(Id4)) {
150 Res = *it;
151 Res->claim();
152 }
153 }
154
155 return Res;
156 }
157
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3,OptSpecifier Id4,OptSpecifier Id5) const158 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
159 OptSpecifier Id2, OptSpecifier Id3,
160 OptSpecifier Id4, OptSpecifier Id5) const {
161 Arg *Res = nullptr;
162 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
163 if ((*it)->getOption().matches(Id0) ||
164 (*it)->getOption().matches(Id1) ||
165 (*it)->getOption().matches(Id2) ||
166 (*it)->getOption().matches(Id3) ||
167 (*it)->getOption().matches(Id4) ||
168 (*it)->getOption().matches(Id5)) {
169 Res = *it;
170 Res->claim();
171 }
172 }
173
174 return Res;
175 }
176
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3,OptSpecifier Id4,OptSpecifier Id5,OptSpecifier Id6) const177 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
178 OptSpecifier Id2, OptSpecifier Id3,
179 OptSpecifier Id4, OptSpecifier Id5,
180 OptSpecifier Id6) const {
181 Arg *Res = nullptr;
182 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
183 if ((*it)->getOption().matches(Id0) ||
184 (*it)->getOption().matches(Id1) ||
185 (*it)->getOption().matches(Id2) ||
186 (*it)->getOption().matches(Id3) ||
187 (*it)->getOption().matches(Id4) ||
188 (*it)->getOption().matches(Id5) ||
189 (*it)->getOption().matches(Id6)) {
190 Res = *it;
191 Res->claim();
192 }
193 }
194
195 return Res;
196 }
197
getLastArg(OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2,OptSpecifier Id3,OptSpecifier Id4,OptSpecifier Id5,OptSpecifier Id6,OptSpecifier Id7) const198 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
199 OptSpecifier Id2, OptSpecifier Id3,
200 OptSpecifier Id4, OptSpecifier Id5,
201 OptSpecifier Id6, OptSpecifier Id7) const {
202 Arg *Res = nullptr;
203 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
204 if ((*it)->getOption().matches(Id0) ||
205 (*it)->getOption().matches(Id1) ||
206 (*it)->getOption().matches(Id2) ||
207 (*it)->getOption().matches(Id3) ||
208 (*it)->getOption().matches(Id4) ||
209 (*it)->getOption().matches(Id5) ||
210 (*it)->getOption().matches(Id6) ||
211 (*it)->getOption().matches(Id7)) {
212 Res = *it;
213 Res->claim();
214 }
215 }
216
217 return Res;
218 }
219
hasFlag(OptSpecifier Pos,OptSpecifier Neg,bool Default) const220 bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
221 if (Arg *A = getLastArg(Pos, Neg))
222 return A->getOption().matches(Pos);
223 return Default;
224 }
225
hasFlag(OptSpecifier Pos,OptSpecifier PosAlias,OptSpecifier Neg,bool Default) const226 bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier PosAlias, OptSpecifier Neg,
227 bool Default) const {
228 if (Arg *A = getLastArg(Pos, PosAlias, Neg))
229 return A->getOption().matches(Pos) || A->getOption().matches(PosAlias);
230 return Default;
231 }
232
getLastArgValue(OptSpecifier Id,StringRef Default) const233 StringRef ArgList::getLastArgValue(OptSpecifier Id,
234 StringRef Default) const {
235 if (Arg *A = getLastArg(Id))
236 return A->getValue();
237 return Default;
238 }
239
getAllArgValues(OptSpecifier Id) const240 std::vector<std::string> ArgList::getAllArgValues(OptSpecifier Id) const {
241 SmallVector<const char *, 16> Values;
242 AddAllArgValues(Values, Id);
243 return std::vector<std::string>(Values.begin(), Values.end());
244 }
245
AddLastArg(ArgStringList & Output,OptSpecifier Id) const246 void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
247 if (Arg *A = getLastArg(Id)) {
248 A->claim();
249 A->render(*this, Output);
250 }
251 }
252
AddLastArg(ArgStringList & Output,OptSpecifier Id0,OptSpecifier Id1) const253 void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
254 OptSpecifier Id1) const {
255 if (Arg *A = getLastArg(Id0, Id1)) {
256 A->claim();
257 A->render(*this, Output);
258 }
259 }
260
AddAllArgs(ArgStringList & Output,OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2) const261 void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
262 OptSpecifier Id1, OptSpecifier Id2) const {
263 for (auto Arg: filtered(Id0, Id1, Id2)) {
264 Arg->claim();
265 Arg->render(*this, Output);
266 }
267 }
268
AddAllArgValues(ArgStringList & Output,OptSpecifier Id0,OptSpecifier Id1,OptSpecifier Id2) const269 void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
270 OptSpecifier Id1, OptSpecifier Id2) const {
271 for (auto Arg : filtered(Id0, Id1, Id2)) {
272 Arg->claim();
273 const auto &Values = Arg->getValues();
274 Output.append(Values.begin(), Values.end());
275 }
276 }
277
AddAllArgsTranslated(ArgStringList & Output,OptSpecifier Id0,const char * Translation,bool Joined) const278 void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
279 const char *Translation,
280 bool Joined) const {
281 for (auto Arg: filtered(Id0)) {
282 Arg->claim();
283
284 if (Joined) {
285 Output.push_back(MakeArgString(StringRef(Translation) +
286 Arg->getValue(0)));
287 } else {
288 Output.push_back(Translation);
289 Output.push_back(Arg->getValue(0));
290 }
291 }
292 }
293
ClaimAllArgs(OptSpecifier Id0) const294 void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
295 for (auto Arg : filtered(Id0))
296 Arg->claim();
297 }
298
ClaimAllArgs() const299 void ArgList::ClaimAllArgs() const {
300 for (const_iterator it = begin(), ie = end(); it != ie; ++it)
301 if (!(*it)->isClaimed())
302 (*it)->claim();
303 }
304
GetOrMakeJoinedArgString(unsigned Index,StringRef LHS,StringRef RHS) const305 const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
306 StringRef LHS,
307 StringRef RHS) const {
308 StringRef Cur = getArgString(Index);
309 if (Cur.size() == LHS.size() + RHS.size() &&
310 Cur.startswith(LHS) && Cur.endswith(RHS))
311 return Cur.data();
312
313 return MakeArgString(LHS + RHS);
314 }
315
316 //
317
releaseMemory()318 void InputArgList::releaseMemory() {
319 // An InputArgList always owns its arguments.
320 for (Arg *A : *this)
321 delete A;
322 }
323
InputArgList(const char * const * ArgBegin,const char * const * ArgEnd)324 InputArgList::InputArgList(const char* const *ArgBegin,
325 const char* const *ArgEnd)
326 : NumInputArgStrings(ArgEnd - ArgBegin) {
327 ArgStrings.append(ArgBegin, ArgEnd);
328 }
329
MakeIndex(StringRef String0) const330 unsigned InputArgList::MakeIndex(StringRef String0) const {
331 unsigned Index = ArgStrings.size();
332
333 // Tuck away so we have a reliable const char *.
334 SynthesizedStrings.push_back(String0);
335 ArgStrings.push_back(SynthesizedStrings.back().c_str());
336
337 return Index;
338 }
339
MakeIndex(StringRef String0,StringRef String1) const340 unsigned InputArgList::MakeIndex(StringRef String0,
341 StringRef String1) const {
342 unsigned Index0 = MakeIndex(String0);
343 unsigned Index1 = MakeIndex(String1);
344 assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
345 (void) Index1;
346 return Index0;
347 }
348
MakeArgStringRef(StringRef Str) const349 const char *InputArgList::MakeArgStringRef(StringRef Str) const {
350 return getArgString(MakeIndex(Str));
351 }
352
353 //
354
DerivedArgList(const InputArgList & BaseArgs)355 DerivedArgList::DerivedArgList(const InputArgList &BaseArgs)
356 : BaseArgs(BaseArgs) {}
357
MakeArgStringRef(StringRef Str) const358 const char *DerivedArgList::MakeArgStringRef(StringRef Str) const {
359 return BaseArgs.MakeArgString(Str);
360 }
361
AddSynthesizedArg(Arg * A)362 void DerivedArgList::AddSynthesizedArg(Arg *A) {
363 SynthesizedArgs.push_back(std::unique_ptr<Arg>(A));
364 }
365
MakeFlagArg(const Arg * BaseArg,const Option Opt) const366 Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option Opt) const {
367 SynthesizedArgs.push_back(
368 make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
369 BaseArgs.MakeIndex(Opt.getName()), BaseArg));
370 return SynthesizedArgs.back().get();
371 }
372
MakePositionalArg(const Arg * BaseArg,const Option Opt,StringRef Value) const373 Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option Opt,
374 StringRef Value) const {
375 unsigned Index = BaseArgs.MakeIndex(Value);
376 SynthesizedArgs.push_back(
377 make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
378 Index, BaseArgs.getArgString(Index), BaseArg));
379 return SynthesizedArgs.back().get();
380 }
381
MakeSeparateArg(const Arg * BaseArg,const Option Opt,StringRef Value) const382 Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
383 StringRef Value) const {
384 unsigned Index = BaseArgs.MakeIndex(Opt.getName(), Value);
385 SynthesizedArgs.push_back(
386 make_unique<Arg>(Opt, MakeArgString(Opt.getPrefix() + Opt.getName()),
387 Index, BaseArgs.getArgString(Index + 1), BaseArg));
388 return SynthesizedArgs.back().get();
389 }
390
MakeJoinedArg(const Arg * BaseArg,const Option Opt,StringRef Value) const391 Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
392 StringRef Value) const {
393 unsigned Index = BaseArgs.MakeIndex((Opt.getName() + Value).str());
394 SynthesizedArgs.push_back(make_unique<Arg>(
395 Opt, MakeArgString(Opt.getPrefix() + Opt.getName()), Index,
396 BaseArgs.getArgString(Index) + Opt.getName().size(), BaseArg));
397 return SynthesizedArgs.back().get();
398 }
399