LLVM  10.0.0svn
ArgList.h
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1 //===- ArgList.h - Argument List Management ---------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_OPTION_ARGLIST_H
10 #define LLVM_OPTION_ARGLIST_H
11 
12 #include "llvm/ADT/ArrayRef.h"
13 #include "llvm/ADT/DenseMap.h"
15 #include "llvm/ADT/SmallString.h"
16 #include "llvm/ADT/SmallVector.h"
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/ADT/Twine.h"
19 #include "llvm/Option/Arg.h"
21 #include "llvm/Option/Option.h"
22 #include <algorithm>
23 #include <cstddef>
24 #include <initializer_list>
25 #include <iterator>
26 #include <list>
27 #include <memory>
28 #include <string>
29 #include <utility>
30 #include <vector>
31 
32 namespace llvm {
33 
34 class raw_ostream;
35 
36 namespace opt {
37 
38 /// arg_iterator - Iterates through arguments stored inside an ArgList.
39 template<typename BaseIter, unsigned NumOptSpecifiers = 0>
40 class arg_iterator {
41  /// The current argument and the end of the sequence we're iterating.
42  BaseIter Current, End;
43 
44  /// Optional filters on the arguments which will be match. To avoid a
45  /// zero-sized array, we store one specifier even if we're asked for none.
46  OptSpecifier Ids[NumOptSpecifiers ? NumOptSpecifiers : 1];
47 
48  void SkipToNextArg() {
49  for (; Current != End; ++Current) {
50  // Skip erased elements.
51  if (!*Current)
52  continue;
53 
54  // Done if there are no filters.
55  if (!NumOptSpecifiers)
56  return;
57 
58  // Otherwise require a match.
59  const Option &O = (*Current)->getOption();
60  for (auto Id : Ids) {
61  if (!Id.isValid())
62  break;
63  if (O.matches(Id))
64  return;
65  }
66  }
67  }
68 
69  using Traits = std::iterator_traits<BaseIter>;
70 
71 public:
72  using value_type = typename Traits::value_type;
73  using reference = typename Traits::reference;
74  using pointer = typename Traits::pointer;
75  using iterator_category = std::forward_iterator_tag;
76  using difference_type = std::ptrdiff_t;
77 
79  BaseIter Current, BaseIter End,
80  const OptSpecifier (&Ids)[NumOptSpecifiers ? NumOptSpecifiers : 1] = {})
81  : Current(Current), End(End) {
82  for (unsigned I = 0; I != NumOptSpecifiers; ++I)
83  this->Ids[I] = Ids[I];
84  SkipToNextArg();
85  }
86 
87  reference operator*() const { return *Current; }
88  pointer operator->() const { return Current; }
89 
91  ++Current;
92  SkipToNextArg();
93  return *this;
94  }
95 
97  arg_iterator tmp(*this);
98  ++(*this);
99  return tmp;
100  }
101 
102  friend bool operator==(arg_iterator LHS, arg_iterator RHS) {
103  return LHS.Current == RHS.Current;
104  }
105  friend bool operator!=(arg_iterator LHS, arg_iterator RHS) {
106  return !(LHS == RHS);
107  }
108 };
109 
110 /// ArgList - Ordered collection of driver arguments.
111 ///
112 /// The ArgList class manages a list of Arg instances as well as
113 /// auxiliary data and convenience methods to allow Tools to quickly
114 /// check for the presence of Arg instances for a particular Option
115 /// and to iterate over groups of arguments.
116 class ArgList {
117 public:
122  using const_reverse_iterator =
124 
125  template<unsigned N> using filtered_iterator =
127  template<unsigned N> using filtered_reverse_iterator =
129 
130 private:
131  /// The internal list of arguments.
133 
134  using OptRange = std::pair<unsigned, unsigned>;
135  static OptRange emptyRange() { return {-1u, 0u}; }
136 
137  /// The first and last index of each different OptSpecifier ID.
139 
140  /// Get the range of indexes in which options with the specified IDs might
141  /// reside, or (0, 0) if there are no such options.
142  OptRange getRange(std::initializer_list<OptSpecifier> Ids) const;
143 
144 protected:
145  // Make the default special members protected so they won't be used to slice
146  // derived objects, but can still be used by derived objects to implement
147  // their own special members.
148  ArgList() = default;
149 
150  // Explicit move operations to ensure the container is cleared post-move
151  // otherwise it could lead to a double-delete in the case of moving of an
152  // InputArgList which deletes the contents of the container. If we could fix
153  // up the ownership here (delegate storage/ownership to the derived class so
154  // it can be a container of unique_ptr) this would be simpler.
156  : Args(std::move(RHS.Args)), OptRanges(std::move(RHS.OptRanges)) {
157  RHS.Args.clear();
158  RHS.OptRanges.clear();
159  }
160 
162  Args = std::move(RHS.Args);
163  RHS.Args.clear();
164  OptRanges = std::move(RHS.OptRanges);
165  RHS.OptRanges.clear();
166  return *this;
167  }
168 
169  // Protect the dtor to ensure this type is never destroyed polymorphically.
170  ~ArgList() = default;
171 
172  // Implicitly convert a value to an OptSpecifier. Used to work around a bug
173  // in MSVC's implementation of narrowing conversion checking.
174  static OptSpecifier toOptSpecifier(OptSpecifier S) { return S; }
175 
176 public:
177  /// @name Arg Access
178  /// @{
179 
180  /// append - Append \p A to the arg list.
181  void append(Arg *A);
182 
183  const arglist_type &getArgs() const { return Args; }
184 
185  unsigned size() const { return Args.size(); }
186 
187  /// @}
188  /// @name Arg Iteration
189  /// @{
190 
191  iterator begin() { return {Args.begin(), Args.end()}; }
192  iterator end() { return {Args.end(), Args.end()}; }
193 
194  reverse_iterator rbegin() { return {Args.rbegin(), Args.rend()}; }
195  reverse_iterator rend() { return {Args.rend(), Args.rend()}; }
196 
197  const_iterator begin() const { return {Args.begin(), Args.end()}; }
198  const_iterator end() const { return {Args.end(), Args.end()}; }
199 
200  const_reverse_iterator rbegin() const { return {Args.rbegin(), Args.rend()}; }
201  const_reverse_iterator rend() const { return {Args.rend(), Args.rend()}; }
202 
203  template<typename ...OptSpecifiers>
204  iterator_range<filtered_iterator<sizeof...(OptSpecifiers)>>
205  filtered(OptSpecifiers ...Ids) const {
206  OptRange Range = getRange({toOptSpecifier(Ids)...});
207  auto B = Args.begin() + Range.first;
208  auto E = Args.begin() + Range.second;
209  using Iterator = filtered_iterator<sizeof...(OptSpecifiers)>;
210  return make_range(Iterator(B, E, {toOptSpecifier(Ids)...}),
211  Iterator(E, E, {toOptSpecifier(Ids)...}));
212  }
213 
214  template<typename ...OptSpecifiers>
215  iterator_range<filtered_reverse_iterator<sizeof...(OptSpecifiers)>>
216  filtered_reverse(OptSpecifiers ...Ids) const {
217  OptRange Range = getRange({toOptSpecifier(Ids)...});
218  auto B = Args.rend() - Range.second;
219  auto E = Args.rend() - Range.first;
220  using Iterator = filtered_reverse_iterator<sizeof...(OptSpecifiers)>;
221  return make_range(Iterator(B, E, {toOptSpecifier(Ids)...}),
222  Iterator(E, E, {toOptSpecifier(Ids)...}));
223  }
224 
225  /// @}
226  /// @name Arg Removal
227  /// @{
228 
229  /// eraseArg - Remove any option matching \p Id.
230  void eraseArg(OptSpecifier Id);
231 
232  /// @}
233  /// @name Arg Access
234  /// @{
235 
236  /// hasArg - Does the arg list contain any option matching \p Id.
237  ///
238  /// \p Claim Whether the argument should be claimed, if it exists.
239  template<typename ...OptSpecifiers>
240  bool hasArgNoClaim(OptSpecifiers ...Ids) const {
241  return getLastArgNoClaim(Ids...) != nullptr;
242  }
243  template<typename ...OptSpecifiers>
244  bool hasArg(OptSpecifiers ...Ids) const {
245  return getLastArg(Ids...) != nullptr;
246  }
247 
248  /// Return the last argument matching \p Id, or null.
249  template<typename ...OptSpecifiers>
250  Arg *getLastArg(OptSpecifiers ...Ids) const {
251  Arg *Res = nullptr;
252  for (Arg *A : filtered(Ids...)) {
253  Res = A;
254  Res->claim();
255  }
256  return Res;
257  }
258 
259  /// Return the last argument matching \p Id, or null. Do not "claim" the
260  /// option (don't mark it as having been used).
261  template<typename ...OptSpecifiers>
262  Arg *getLastArgNoClaim(OptSpecifiers ...Ids) const {
263  for (Arg *A : filtered_reverse(Ids...))
264  return A;
265  return nullptr;
266  }
267 
268  /// getArgString - Return the input argument string at \p Index.
269  virtual const char *getArgString(unsigned Index) const = 0;
270 
271  /// getNumInputArgStrings - Return the number of original argument strings,
272  /// which are guaranteed to be the first strings in the argument string
273  /// list.
274  virtual unsigned getNumInputArgStrings() const = 0;
275 
276  /// @}
277  /// @name Argument Lookup Utilities
278  /// @{
279 
280  /// getLastArgValue - Return the value of the last argument, or a default.
281  StringRef getLastArgValue(OptSpecifier Id, StringRef Default = "") const;
282 
283  /// getAllArgValues - Get the values of all instances of the given argument
284  /// as strings.
285  std::vector<std::string> getAllArgValues(OptSpecifier Id) const;
286 
287  /// @}
288  /// @name Translation Utilities
289  /// @{
290 
291  /// hasFlag - Given an option \p Pos and its negative form \p Neg, return
292  /// true if the option is present, false if the negation is present, and
293  /// \p Default if neither option is given. If both the option and its
294  /// negation are present, the last one wins.
295  bool hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default=true) const;
296 
297  /// hasFlag - Given an option \p Pos, an alias \p PosAlias and its negative
298  /// form \p Neg, return true if the option or its alias is present, false if
299  /// the negation is present, and \p Default if none of the options are
300  /// given. If multiple options are present, the last one wins.
301  bool hasFlag(OptSpecifier Pos, OptSpecifier PosAlias, OptSpecifier Neg,
302  bool Default = true) const;
303 
304  /// Render only the last argument match \p Id0, if present.
305  template<typename ...OptSpecifiers>
306  void AddLastArg(ArgStringList &Output, OptSpecifiers ...Ids) const {
307  if (Arg *A = getLastArg(Ids...)) // Calls claim() on all Ids's Args.
308  A->render(*this, Output);
309  }
310 
311  /// AddAllArgsExcept - Render all arguments matching any of the given ids
312  /// and not matching any of the excluded ids.
313  void AddAllArgsExcept(ArgStringList &Output, ArrayRef<OptSpecifier> Ids,
314  ArrayRef<OptSpecifier> ExcludeIds) const;
315  /// AddAllArgs - Render all arguments matching any of the given ids.
316  void AddAllArgs(ArgStringList &Output, ArrayRef<OptSpecifier> Ids) const;
317 
318  /// AddAllArgs - Render all arguments matching the given ids.
319  void AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
320  OptSpecifier Id1 = 0U, OptSpecifier Id2 = 0U) const;
321 
322  /// AddAllArgValues - Render the argument values of all arguments
323  /// matching the given ids.
324  void AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
325  OptSpecifier Id1 = 0U, OptSpecifier Id2 = 0U) const;
326 
327  /// AddAllArgsTranslated - Render all the arguments matching the
328  /// given ids, but forced to separate args and using the provided
329  /// name instead of the first option value.
330  ///
331  /// \param Joined - If true, render the argument as joined with
332  /// the option specifier.
333  void AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
334  const char *Translation,
335  bool Joined = false) const;
336 
337  /// ClaimAllArgs - Claim all arguments which match the given
338  /// option id.
339  void ClaimAllArgs(OptSpecifier Id0) const;
340 
341  /// ClaimAllArgs - Claim all arguments.
342  ///
343  void ClaimAllArgs() const;
344 
345  /// @}
346  /// @name Arg Synthesis
347  /// @{
348 
349  /// Construct a constant string pointer whose
350  /// lifetime will match that of the ArgList.
351  virtual const char *MakeArgStringRef(StringRef Str) const = 0;
352  const char *MakeArgString(const Twine &Str) const {
353  SmallString<256> Buf;
354  return MakeArgStringRef(Str.toStringRef(Buf));
355  }
356 
357  /// Create an arg string for (\p LHS + \p RHS), reusing the
358  /// string at \p Index if possible.
359  const char *GetOrMakeJoinedArgString(unsigned Index, StringRef LHS,
360  StringRef RHS) const;
361 
362  void print(raw_ostream &O) const;
363  void dump() const;
364 
365  /// @}
366 };
367 
368 class InputArgList final : public ArgList {
369 private:
370  /// List of argument strings used by the contained Args.
371  ///
372  /// This is mutable since we treat the ArgList as being the list
373  /// of Args, and allow routines to add new strings (to have a
374  /// convenient place to store the memory) via MakeIndex.
375  mutable ArgStringList ArgStrings;
376 
377  /// Strings for synthesized arguments.
378  ///
379  /// This is mutable since we treat the ArgList as being the list
380  /// of Args, and allow routines to add new strings (to have a
381  /// convenient place to store the memory) via MakeIndex.
382  mutable std::list<std::string> SynthesizedStrings;
383 
384  /// The number of original input argument strings.
385  unsigned NumInputArgStrings;
386 
387  /// Release allocated arguments.
388  void releaseMemory();
389 
390 public:
391  InputArgList() : NumInputArgStrings(0) {}
392 
393  InputArgList(const char* const *ArgBegin, const char* const *ArgEnd);
394 
396  : ArgList(std::move(RHS)), ArgStrings(std::move(RHS.ArgStrings)),
397  SynthesizedStrings(std::move(RHS.SynthesizedStrings)),
398  NumInputArgStrings(RHS.NumInputArgStrings) {}
399 
401  releaseMemory();
402  ArgList::operator=(std::move(RHS));
403  ArgStrings = std::move(RHS.ArgStrings);
404  SynthesizedStrings = std::move(RHS.SynthesizedStrings);
405  NumInputArgStrings = RHS.NumInputArgStrings;
406  return *this;
407  }
408 
409  ~InputArgList() { releaseMemory(); }
410 
411  const char *getArgString(unsigned Index) const override {
412  return ArgStrings[Index];
413  }
414 
415  unsigned getNumInputArgStrings() const override {
416  return NumInputArgStrings;
417  }
418 
419  /// @name Arg Synthesis
420  /// @{
421 
422 public:
423  /// MakeIndex - Get an index for the given string(s).
424  unsigned MakeIndex(StringRef String0) const;
425  unsigned MakeIndex(StringRef String0, StringRef String1) const;
426 
428  const char *MakeArgStringRef(StringRef Str) const override;
429 
430  /// @}
431 };
432 
433 /// DerivedArgList - An ordered collection of driver arguments,
434 /// whose storage may be in another argument list.
435 class DerivedArgList final : public ArgList {
436  const InputArgList &BaseArgs;
437 
438  /// The list of arguments we synthesized.
439  mutable SmallVector<std::unique_ptr<Arg>, 16> SynthesizedArgs;
440 
441 public:
442  /// Construct a new derived arg list from \p BaseArgs.
443  DerivedArgList(const InputArgList &BaseArgs);
444 
445  const char *getArgString(unsigned Index) const override {
446  return BaseArgs.getArgString(Index);
447  }
448 
449  unsigned getNumInputArgStrings() const override {
450  return BaseArgs.getNumInputArgStrings();
451  }
452 
453  const InputArgList &getBaseArgs() const {
454  return BaseArgs;
455  }
456 
457  /// @name Arg Synthesis
458  /// @{
459 
460  /// AddSynthesizedArg - Add a argument to the list of synthesized arguments
461  /// (to be freed).
462  void AddSynthesizedArg(Arg *A);
463 
465  const char *MakeArgStringRef(StringRef Str) const override;
466 
467  /// AddFlagArg - Construct a new FlagArg for the given option \p Id and
468  /// append it to the argument list.
469  void AddFlagArg(const Arg *BaseArg, const Option Opt) {
470  append(MakeFlagArg(BaseArg, Opt));
471  }
472 
473  /// AddPositionalArg - Construct a new Positional arg for the given option
474  /// \p Id, with the provided \p Value and append it to the argument
475  /// list.
476  void AddPositionalArg(const Arg *BaseArg, const Option Opt,
477  StringRef Value) {
478  append(MakePositionalArg(BaseArg, Opt, Value));
479  }
480 
481  /// AddSeparateArg - Construct a new Positional arg for the given option
482  /// \p Id, with the provided \p Value and append it to the argument
483  /// list.
484  void AddSeparateArg(const Arg *BaseArg, const Option Opt,
485  StringRef Value) {
486  append(MakeSeparateArg(BaseArg, Opt, Value));
487  }
488 
489  /// AddJoinedArg - Construct a new Positional arg for the given option
490  /// \p Id, with the provided \p Value and append it to the argument list.
491  void AddJoinedArg(const Arg *BaseArg, const Option Opt,
492  StringRef Value) {
493  append(MakeJoinedArg(BaseArg, Opt, Value));
494  }
495 
496  /// MakeFlagArg - Construct a new FlagArg for the given option \p Id.
497  Arg *MakeFlagArg(const Arg *BaseArg, const Option Opt) const;
498 
499  /// MakePositionalArg - Construct a new Positional arg for the
500  /// given option \p Id, with the provided \p Value.
501  Arg *MakePositionalArg(const Arg *BaseArg, const Option Opt,
502  StringRef Value) const;
503 
504  /// MakeSeparateArg - Construct a new Positional arg for the
505  /// given option \p Id, with the provided \p Value.
506  Arg *MakeSeparateArg(const Arg *BaseArg, const Option Opt,
507  StringRef Value) const;
508 
509  /// MakeJoinedArg - Construct a new Positional arg for the
510  /// given option \p Id, with the provided \p Value.
511  Arg *MakeJoinedArg(const Arg *BaseArg, const Option Opt,
512  StringRef Value) const;
513 
514  /// @}
515 };
516 
517 } // end namespace opt
518 
519 } // end namespace llvm
520 
521 #endif // LLVM_OPTION_ARGLIST_H
iterator begin()
Definition: ArgList.h:191
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void AddSeparateArg(const Arg *BaseArg, const Option Opt, StringRef Value)
AddSeparateArg - Construct a new Positional arg for the given option Id, with the provided Value and ...
Definition: ArgList.h:484
const InputArgList & getBaseArgs() const
Definition: ArgList.h:453
This provides a very simple, boring adaptor for a begin and end iterator into a range type...
StringRef toStringRef(SmallVectorImpl< char > &Out) const
This returns the twine as a single StringRef if it can be represented as such.
Definition: Twine.h:455
unsigned size() const
Definition: ArgList.h:185
const_iterator begin() const
Definition: ArgList.h:197
InputArgList & operator=(InputArgList &&RHS)
Definition: ArgList.h:400
iterator_range< filtered_iterator< sizeof...(OptSpecifiers)> > filtered(OptSpecifiers ...Ids) const
Definition: ArgList.h:205
iterator_range< filtered_reverse_iterator< sizeof...(OptSpecifiers)> > filtered_reverse(OptSpecifiers ...Ids) const
Definition: ArgList.h:216
reverse_iterator rbegin()
Definition: ArgList.h:194
const char * getArgString(unsigned Index) const override
getArgString - Return the input argument string at Index.
Definition: ArgList.h:445
const char * getArgString(unsigned Index) const override
getArgString - Return the input argument string at Index.
Definition: ArgList.h:411
void append(SmallVectorImpl< char > &path, const Twine &a, const Twine &b="", const Twine &c="", const Twine &d="")
Append to path.
Definition: Path.cpp:455
unsigned getNumInputArgStrings() const override
getNumInputArgStrings - Return the number of original argument strings, which are guaranteed to be th...
Definition: ArgList.h:449
Definition: BitVector.h:937
void AddFlagArg(const Arg *BaseArg, const Option Opt)
AddFlagArg - Construct a new FlagArg for the given option Id and append it to the argument list...
Definition: ArgList.h:469
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:80
arg_iterator - Iterates through arguments stored inside an ArgList.
Definition: ArgList.h:40
bool hasArg(OptSpecifiers ...Ids) const
Definition: ArgList.h:244
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:32
arg_iterator operator++(int)
Definition: ArgList.h:96
std::ptrdiff_t difference_type
Definition: ArgList.h:76
const_reverse_iterator rbegin() const
Definition: ArgList.h:200
ArgList(ArgList &&RHS)
Definition: ArgList.h:155
bool hasArgNoClaim(OptSpecifiers ...Ids) const
hasArg - Does the arg list contain any option matching Id.
Definition: ArgList.h:240
static GCRegistry::Add< OcamlGC > B("ocaml", "ocaml 3.10-compatible GC")
void dump(const SparseBitVector< ElementSize > &LHS, raw_ostream &out)
Option - Abstract representation for a single form of driver argument.
Definition: Option.h:51
bool matches(OptSpecifier ID) const
matches - Predicate for whether this option is part of the given option (which may be a group)...
Definition: Option.cpp:93
iterator end()
Definition: ArgList.h:192
A concrete instance of a particular driver option.
Definition: Arg.h:34
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
const char * MakeArgString(const Twine &Str) const
Definition: ArgList.h:352
arg_iterator & operator++()
Definition: ArgList.h:90
static void print(raw_ostream &Out, object::Archive::Kind Kind, T Val)
reverse_iterator rend()
Definition: ArgList.h:195
size_t size() const
Definition: SmallVector.h:52
Arg * getLastArgNoClaim(OptSpecifiers ...Ids) const
Return the last argument matching Id, or null.
Definition: ArgList.h:262
Arg * getLastArg(OptSpecifiers ...Ids) const
Return the last argument matching Id, or null.
Definition: ArgList.h:250
iterator_range< T > make_range(T x, T y)
Convenience function for iterating over sub-ranges.
typename Traits::pointer pointer
Definition: ArgList.h:74
const_reverse_iterator rend() const
Definition: ArgList.h:201
ArgList & operator=(ArgList &&RHS)
Definition: ArgList.h:161
void claim() const
Set the Arg claimed bit.
Definition: Arg.h:109
const arglist_type & getArgs() const
Definition: ArgList.h:183
void AddPositionalArg(const Arg *BaseArg, const Option Opt, StringRef Value)
AddPositionalArg - Construct a new Positional arg for the given option Id, with the provided Value an...
Definition: ArgList.h:476
InputArgList(InputArgList &&RHS)
Definition: ArgList.h:395
void AddLastArg(ArgStringList &Output, OptSpecifiers ...Ids) const
Render only the last argument match Id0, if present.
Definition: ArgList.h:306
const_iterator end() const
Definition: ArgList.h:198
A range adaptor for a pair of iterators.
Defines the llvm::Arg class for parsed arguments.
friend bool operator!=(arg_iterator LHS, arg_iterator RHS)
Definition: ArgList.h:105
friend bool operator==(arg_iterator LHS, arg_iterator RHS)
Definition: ArgList.h:102
OptSpecifier - Wrapper class for abstracting references to option IDs.
Definition: OptSpecifier.h:18
unsigned getNumInputArgStrings() const override
getNumInputArgStrings - Return the number of original argument strings, which are guaranteed to be th...
Definition: ArgList.h:415
#define I(x, y, z)
Definition: MD5.cpp:58
static OptSpecifier toOptSpecifier(OptSpecifier S)
Definition: ArgList.h:174
typename Traits::value_type value_type
Definition: ArgList.h:72
void render(const ArgList &Args, ArgStringList &Output) const
Append the argument onto the given array as strings.
Definition: Arg.cpp:96
std::forward_iterator_tag iterator_category
Definition: ArgList.h:75
arg_iterator(BaseIter Current, BaseIter End, const OptSpecifier(&Ids)[NumOptSpecifiers ? NumOptSpecifiers :1]={})
Definition: ArgList.h:78
pointer operator->() const
Definition: ArgList.h:88
LLVM Value Representation.
Definition: Value.h:73
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:45
DerivedArgList - An ordered collection of driver arguments, whose storage may be in another argument ...
Definition: ArgList.h:435
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:48
hexagon cext opt
ArgList - Ordered collection of driver arguments.
Definition: ArgList.h:116
reference operator*() const
Definition: ArgList.h:87
void AddJoinedArg(const Arg *BaseArg, const Option Opt, StringRef Value)
AddJoinedArg - Construct a new Positional arg for the given option Id, with the provided Value and ap...
Definition: ArgList.h:491
constexpr char Args[]
Key for Kernel::Metadata::mArgs.
typename Traits::reference reference
Definition: ArgList.h:73