clang  9.0.0svn
ParseInit.cpp
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1 //===--- ParseInit.cpp - Initializer Parsing ------------------------------===//
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 // This file implements initializer parsing as specified by C99 6.7.8.
10 //
11 //===----------------------------------------------------------------------===//
12 
14 #include "clang/Parse/Parser.h"
16 #include "clang/Sema/Designator.h"
17 #include "clang/Sema/Scope.h"
18 #include "llvm/ADT/SmallString.h"
19 using namespace clang;
20 
21 
22 /// MayBeDesignationStart - Return true if the current token might be the start
23 /// of a designator. If we can tell it is impossible that it is a designator,
24 /// return false.
25 bool Parser::MayBeDesignationStart() {
26  switch (Tok.getKind()) {
27  default:
28  return false;
29 
30  case tok::period: // designator: '.' identifier
31  return true;
32 
33  case tok::l_square: { // designator: array-designator
34  if (!PP.getLangOpts().CPlusPlus11)
35  return true;
36 
37  // C++11 lambda expressions and C99 designators can be ambiguous all the
38  // way through the closing ']' and to the next character. Handle the easy
39  // cases here, and fall back to tentative parsing if those fail.
40  switch (PP.LookAhead(0).getKind()) {
41  case tok::equal:
42  case tok::r_square:
43  // Definitely starts a lambda expression.
44  return false;
45 
46  case tok::amp:
47  case tok::kw_this:
48  case tok::identifier:
49  // We have to do additional analysis, because these could be the
50  // start of a constant expression or a lambda capture list.
51  break;
52 
53  default:
54  // Anything not mentioned above cannot occur following a '[' in a
55  // lambda expression.
56  return true;
57  }
58 
59  // Handle the complicated case below.
60  break;
61  }
62  case tok::identifier: // designation: identifier ':'
63  return PP.LookAhead(0).is(tok::colon);
64  }
65 
66  // Parse up to (at most) the token after the closing ']' to determine
67  // whether this is a C99 designator or a lambda.
68  TentativeParsingAction Tentative(*this);
69 
70  LambdaIntroducer Intro;
71  bool SkippedInits = false;
72  Optional<unsigned> DiagID(ParseLambdaIntroducer(Intro, &SkippedInits));
73 
74  if (DiagID) {
75  // If this can't be a lambda capture list, it's a designator.
76  Tentative.Revert();
77  return true;
78  }
79 
80  // Once we hit the closing square bracket, we look at the next
81  // token. If it's an '=', this is a designator. Otherwise, it's a
82  // lambda expression. This decision favors lambdas over the older
83  // GNU designator syntax, which allows one to omit the '=', but is
84  // consistent with GCC.
85  tok::TokenKind Kind = Tok.getKind();
86  // FIXME: If we didn't skip any inits, parse the lambda from here
87  // rather than throwing away then reparsing the LambdaIntroducer.
88  Tentative.Revert();
89  return Kind == tok::equal;
90 }
91 
93  Designation &Desig) {
94  // If we have exactly one array designator, this used the GNU
95  // 'designation: array-designator' extension, otherwise there should be no
96  // designators at all!
97  if (Desig.getNumDesignators() == 1 &&
98  (Desig.getDesignator(0).isArrayDesignator() ||
100  P.Diag(Loc, diag::ext_gnu_missing_equal_designator);
101  else if (Desig.getNumDesignators() > 0)
102  P.Diag(Loc, diag::err_expected_equal_designator);
103 }
104 
105 /// ParseInitializerWithPotentialDesignator - Parse the 'initializer' production
106 /// checking to see if the token stream starts with a designator.
107 ///
108 /// designation:
109 /// designator-list '='
110 /// [GNU] array-designator
111 /// [GNU] identifier ':'
112 ///
113 /// designator-list:
114 /// designator
115 /// designator-list designator
116 ///
117 /// designator:
118 /// array-designator
119 /// '.' identifier
120 ///
121 /// array-designator:
122 /// '[' constant-expression ']'
123 /// [GNU] '[' constant-expression '...' constant-expression ']'
124 ///
125 /// NOTE: [OBC] allows '[ objc-receiver objc-message-args ]' as an
126 /// initializer (because it is an expression). We need to consider this case
127 /// when parsing array designators.
128 ///
129 ExprResult Parser::ParseInitializerWithPotentialDesignator() {
130 
131  // If this is the old-style GNU extension:
132  // designation ::= identifier ':'
133  // Handle it as a field designator. Otherwise, this must be the start of a
134  // normal expression.
135  if (Tok.is(tok::identifier)) {
136  const IdentifierInfo *FieldName = Tok.getIdentifierInfo();
137 
138  SmallString<256> NewSyntax;
139  llvm::raw_svector_ostream(NewSyntax) << '.' << FieldName->getName()
140  << " = ";
141 
142  SourceLocation NameLoc = ConsumeToken(); // Eat the identifier.
143 
144  assert(Tok.is(tok::colon) && "MayBeDesignationStart not working properly!");
146 
147  Diag(NameLoc, diag::ext_gnu_old_style_field_designator)
148  << FixItHint::CreateReplacement(SourceRange(NameLoc, ColonLoc),
149  NewSyntax);
150 
151  Designation D;
152  D.AddDesignator(Designator::getField(FieldName, SourceLocation(), NameLoc));
153  return Actions.ActOnDesignatedInitializer(D, ColonLoc, true,
154  ParseInitializer());
155  }
156 
157  // Desig - This is initialized when we see our first designator. We may have
158  // an objc message send with no designator, so we don't want to create this
159  // eagerly.
160  Designation Desig;
161 
162  // Parse each designator in the designator list until we find an initializer.
163  while (Tok.is(tok::period) || Tok.is(tok::l_square)) {
164  if (Tok.is(tok::period)) {
165  // designator: '.' identifier
166  SourceLocation DotLoc = ConsumeToken();
167 
168  if (Tok.isNot(tok::identifier)) {
169  Diag(Tok.getLocation(), diag::err_expected_field_designator);
170  return ExprError();
171  }
172 
174  Tok.getLocation()));
175  ConsumeToken(); // Eat the identifier.
176  continue;
177  }
178 
179  // We must have either an array designator now or an objc message send.
180  assert(Tok.is(tok::l_square) && "Unexpected token!");
181 
182  // Handle the two forms of array designator:
183  // array-designator: '[' constant-expression ']'
184  // array-designator: '[' constant-expression '...' constant-expression ']'
185  //
186  // Also, we have to handle the case where the expression after the
187  // designator an an objc message send: '[' objc-message-expr ']'.
188  // Interesting cases are:
189  // [foo bar] -> objc message send
190  // [foo] -> array designator
191  // [foo ... bar] -> array designator
192  // [4][foo bar] -> obsolete GNU designation with objc message send.
193  //
194  // We do not need to check for an expression starting with [[ here. If it
195  // contains an Objective-C message send, then it is not an ill-formed
196  // attribute. If it is a lambda-expression within an array-designator, then
197  // it will be rejected because a constant-expression cannot begin with a
198  // lambda-expression.
199  InMessageExpressionRAIIObject InMessage(*this, true);
200 
201  BalancedDelimiterTracker T(*this, tok::l_square);
202  T.consumeOpen();
203  SourceLocation StartLoc = T.getOpenLocation();
204 
205  ExprResult Idx;
206 
207  // If Objective-C is enabled and this is a typename (class message
208  // send) or send to 'super', parse this as a message send
209  // expression. We handle C++ and C separately, since C++ requires
210  // much more complicated parsing.
211  if (getLangOpts().ObjC && getLangOpts().CPlusPlus) {
212  // Send to 'super'.
213  if (Tok.is(tok::identifier) && Tok.getIdentifierInfo() == Ident_super &&
214  NextToken().isNot(tok::period) &&
216  CheckArrayDesignatorSyntax(*this, StartLoc, Desig);
217  return ParseAssignmentExprWithObjCMessageExprStart(
218  StartLoc, ConsumeToken(), nullptr, nullptr);
219  }
220 
221  // Parse the receiver, which is either a type or an expression.
222  bool IsExpr;
223  void *TypeOrExpr;
224  if (ParseObjCXXMessageReceiver(IsExpr, TypeOrExpr)) {
225  SkipUntil(tok::r_square, StopAtSemi);
226  return ExprError();
227  }
228 
229  // If the receiver was a type, we have a class message; parse
230  // the rest of it.
231  if (!IsExpr) {
232  CheckArrayDesignatorSyntax(*this, StartLoc, Desig);
233  return ParseAssignmentExprWithObjCMessageExprStart(StartLoc,
234  SourceLocation(),
235  ParsedType::getFromOpaquePtr(TypeOrExpr),
236  nullptr);
237  }
238 
239  // If the receiver was an expression, we still don't know
240  // whether we have a message send or an array designator; just
241  // adopt the expression for further analysis below.
242  // FIXME: potentially-potentially evaluated expression above?
243  Idx = ExprResult(static_cast<Expr*>(TypeOrExpr));
244  } else if (getLangOpts().ObjC && Tok.is(tok::identifier)) {
245  IdentifierInfo *II = Tok.getIdentifierInfo();
246  SourceLocation IILoc = Tok.getLocation();
247  ParsedType ReceiverType;
248  // Three cases. This is a message send to a type: [type foo]
249  // This is a message send to super: [super foo]
250  // This is a message sent to an expr: [super.bar foo]
251  switch (Actions.getObjCMessageKind(
252  getCurScope(), II, IILoc, II == Ident_super,
253  NextToken().is(tok::period), ReceiverType)) {
255  CheckArrayDesignatorSyntax(*this, StartLoc, Desig);
256  return ParseAssignmentExprWithObjCMessageExprStart(
257  StartLoc, ConsumeToken(), nullptr, nullptr);
258 
260  CheckArrayDesignatorSyntax(*this, StartLoc, Desig);
261  ConsumeToken(); // the identifier
262  if (!ReceiverType) {
263  SkipUntil(tok::r_square, StopAtSemi);
264  return ExprError();
265  }
266 
267  // Parse type arguments and protocol qualifiers.
268  if (Tok.is(tok::less)) {
269  SourceLocation NewEndLoc;
270  TypeResult NewReceiverType
271  = parseObjCTypeArgsAndProtocolQualifiers(IILoc, ReceiverType,
272  /*consumeLastToken=*/true,
273  NewEndLoc);
274  if (!NewReceiverType.isUsable()) {
275  SkipUntil(tok::r_square, StopAtSemi);
276  return ExprError();
277  }
278 
279  ReceiverType = NewReceiverType.get();
280  }
281 
282  return ParseAssignmentExprWithObjCMessageExprStart(StartLoc,
283  SourceLocation(),
284  ReceiverType,
285  nullptr);
286 
288  // Fall through; we'll just parse the expression and
289  // (possibly) treat this like an Objective-C message send
290  // later.
291  break;
292  }
293  }
294 
295  // Parse the index expression, if we haven't already gotten one
296  // above (which can only happen in Objective-C++).
297  // Note that we parse this as an assignment expression, not a constant
298  // expression (allowing *=, =, etc) to handle the objc case. Sema needs
299  // to validate that the expression is a constant.
300  // FIXME: We also need to tell Sema that we're in a
301  // potentially-potentially evaluated context.
302  if (!Idx.get()) {
304  if (Idx.isInvalid()) {
305  SkipUntil(tok::r_square, StopAtSemi);
306  return Idx;
307  }
308  }
309 
310  // Given an expression, we could either have a designator (if the next
311  // tokens are '...' or ']' or an objc message send. If this is an objc
312  // message send, handle it now. An objc-message send is the start of
313  // an assignment-expression production.
314  if (getLangOpts().ObjC && Tok.isNot(tok::ellipsis) &&
315  Tok.isNot(tok::r_square)) {
316  CheckArrayDesignatorSyntax(*this, Tok.getLocation(), Desig);
317  return ParseAssignmentExprWithObjCMessageExprStart(
318  StartLoc, SourceLocation(), nullptr, Idx.get());
319  }
320 
321  // If this is a normal array designator, remember it.
322  if (Tok.isNot(tok::ellipsis)) {
323  Desig.AddDesignator(Designator::getArray(Idx.get(), StartLoc));
324  } else {
325  // Handle the gnu array range extension.
326  Diag(Tok, diag::ext_gnu_array_range);
327  SourceLocation EllipsisLoc = ConsumeToken();
328 
330  if (RHS.isInvalid()) {
331  SkipUntil(tok::r_square, StopAtSemi);
332  return RHS;
333  }
335  RHS.get(),
336  StartLoc, EllipsisLoc));
337  }
338 
339  T.consumeClose();
340  Desig.getDesignator(Desig.getNumDesignators() - 1).setRBracketLoc(
341  T.getCloseLocation());
342  }
343 
344  // Okay, we're done with the designator sequence. We know that there must be
345  // at least one designator, because the only case we can get into this method
346  // without a designator is when we have an objc message send. That case is
347  // handled and returned from above.
348  assert(!Desig.empty() && "Designator is empty?");
349 
350  // Handle a normal designator sequence end, which is an equal.
351  if (Tok.is(tok::equal)) {
352  SourceLocation EqualLoc = ConsumeToken();
353  return Actions.ActOnDesignatedInitializer(Desig, EqualLoc, false,
354  ParseInitializer());
355  }
356 
357  // We read some number of designators and found something that isn't an = or
358  // an initializer. If we have exactly one array designator, this
359  // is the GNU 'designation: array-designator' extension. Otherwise, it is a
360  // parse error.
361  if (Desig.getNumDesignators() == 1 &&
362  (Desig.getDesignator(0).isArrayDesignator() ||
364  Diag(Tok, diag::ext_gnu_missing_equal_designator)
365  << FixItHint::CreateInsertion(Tok.getLocation(), "= ");
366  return Actions.ActOnDesignatedInitializer(Desig, Tok.getLocation(),
367  true, ParseInitializer());
368  }
369 
370  Diag(Tok, diag::err_expected_equal_designator);
371  return ExprError();
372 }
373 
374 
375 /// ParseBraceInitializer - Called when parsing an initializer that has a
376 /// leading open brace.
377 ///
378 /// initializer: [C99 6.7.8]
379 /// '{' initializer-list '}'
380 /// '{' initializer-list ',' '}'
381 /// [GNU] '{' '}'
382 ///
383 /// initializer-list:
384 /// designation[opt] initializer ...[opt]
385 /// initializer-list ',' designation[opt] initializer ...[opt]
386 ///
387 ExprResult Parser::ParseBraceInitializer() {
388  InMessageExpressionRAIIObject InMessage(*this, false);
389 
390  BalancedDelimiterTracker T(*this, tok::l_brace);
391  T.consumeOpen();
392  SourceLocation LBraceLoc = T.getOpenLocation();
393 
394  /// InitExprs - This is the actual list of expressions contained in the
395  /// initializer.
396  ExprVector InitExprs;
397 
398  if (Tok.is(tok::r_brace)) {
399  // Empty initializers are a C++ feature and a GNU extension to C.
400  if (!getLangOpts().CPlusPlus)
401  Diag(LBraceLoc, diag::ext_gnu_empty_initializer);
402  // Match the '}'.
403  return Actions.ActOnInitList(LBraceLoc, None, ConsumeBrace());
404  }
405 
406  // Enter an appropriate expression evaluation context for an initializer list.
409 
410  bool InitExprsOk = true;
411 
412  while (1) {
413  // Handle Microsoft __if_exists/if_not_exists if necessary.
414  if (getLangOpts().MicrosoftExt && (Tok.is(tok::kw___if_exists) ||
415  Tok.is(tok::kw___if_not_exists))) {
416  if (ParseMicrosoftIfExistsBraceInitializer(InitExprs, InitExprsOk)) {
417  if (Tok.isNot(tok::comma)) break;
418  ConsumeToken();
419  }
420  if (Tok.is(tok::r_brace)) break;
421  continue;
422  }
423 
424  // Parse: designation[opt] initializer
425 
426  // If we know that this cannot be a designation, just parse the nested
427  // initializer directly.
428  ExprResult SubElt;
429  if (MayBeDesignationStart())
430  SubElt = ParseInitializerWithPotentialDesignator();
431  else
432  SubElt = ParseInitializer();
433 
434  if (Tok.is(tok::ellipsis))
435  SubElt = Actions.ActOnPackExpansion(SubElt.get(), ConsumeToken());
436 
437  SubElt = Actions.CorrectDelayedTyposInExpr(SubElt.get());
438 
439  // If we couldn't parse the subelement, bail out.
440  if (SubElt.isUsable()) {
441  InitExprs.push_back(SubElt.get());
442  } else {
443  InitExprsOk = false;
444 
445  // We have two ways to try to recover from this error: if the code looks
446  // grammatically ok (i.e. we have a comma coming up) try to continue
447  // parsing the rest of the initializer. This allows us to emit
448  // diagnostics for later elements that we find. If we don't see a comma,
449  // assume there is a parse error, and just skip to recover.
450  // FIXME: This comment doesn't sound right. If there is a r_brace
451  // immediately, it can't be an error, since there is no other way of
452  // leaving this loop except through this if.
453  if (Tok.isNot(tok::comma)) {
454  SkipUntil(tok::r_brace, StopBeforeMatch);
455  break;
456  }
457  }
458 
459  // If we don't have a comma continued list, we're done.
460  if (Tok.isNot(tok::comma)) break;
461 
462  // TODO: save comma locations if some client cares.
463  ConsumeToken();
464 
465  // Handle trailing comma.
466  if (Tok.is(tok::r_brace)) break;
467  }
468 
469  bool closed = !T.consumeClose();
470 
471  if (InitExprsOk && closed)
472  return Actions.ActOnInitList(LBraceLoc, InitExprs,
473  T.getCloseLocation());
474 
475  return ExprError(); // an error occurred.
476 }
477 
478 
479 // Return true if a comma (or closing brace) is necessary after the
480 // __if_exists/if_not_exists statement.
481 bool Parser::ParseMicrosoftIfExistsBraceInitializer(ExprVector &InitExprs,
482  bool &InitExprsOk) {
483  bool trailingComma = false;
484  IfExistsCondition Result;
485  if (ParseMicrosoftIfExistsCondition(Result))
486  return false;
487 
488  BalancedDelimiterTracker Braces(*this, tok::l_brace);
489  if (Braces.consumeOpen()) {
490  Diag(Tok, diag::err_expected) << tok::l_brace;
491  return false;
492  }
493 
494  switch (Result.Behavior) {
495  case IEB_Parse:
496  // Parse the declarations below.
497  break;
498 
499  case IEB_Dependent:
500  Diag(Result.KeywordLoc, diag::warn_microsoft_dependent_exists)
501  << Result.IsIfExists;
502  // Fall through to skip.
503  LLVM_FALLTHROUGH;
504 
505  case IEB_Skip:
506  Braces.skipToEnd();
507  return false;
508  }
509 
510  while (!isEofOrEom()) {
511  trailingComma = false;
512  // If we know that this cannot be a designation, just parse the nested
513  // initializer directly.
514  ExprResult SubElt;
515  if (MayBeDesignationStart())
516  SubElt = ParseInitializerWithPotentialDesignator();
517  else
518  SubElt = ParseInitializer();
519 
520  if (Tok.is(tok::ellipsis))
521  SubElt = Actions.ActOnPackExpansion(SubElt.get(), ConsumeToken());
522 
523  // If we couldn't parse the subelement, bail out.
524  if (!SubElt.isInvalid())
525  InitExprs.push_back(SubElt.get());
526  else
527  InitExprsOk = false;
528 
529  if (Tok.is(tok::comma)) {
530  ConsumeToken();
531  trailingComma = true;
532  }
533 
534  if (Tok.is(tok::r_brace))
535  break;
536  }
537 
538  Braces.consumeClose();
539 
540  return !trailingComma;
541 }
const Token & LookAhead(unsigned N)
Peeks ahead N tokens and returns that token without consuming any tokens.
bool is(tok::TokenKind K) const
is/isNot - Predicates to check if this token is a specific kind, as in "if (Tok.is(tok::l_brace)) {...
Definition: Token.h:94
StringRef P
SourceLocation getCloseLocation() const
const IdentifierInfo * getField() const
Definition: Designator.h:73
bool isArrayRangeDesignator() const
Definition: Designator.h:71
Parser - This implements a parser for the C family of languages.
Definition: Parser.h:57
RAII object that enters a new expression evaluation context.
Definition: Sema.h:11033
bool isInObjcMethodScope() const
isInObjcMethodScope - Return true if this scope is, or is contained in, an Objective-C method body...
Definition: Scope.h:356
tok::TokenKind getKind() const
Definition: Token.h:89
bool SkipUntil(tok::TokenKind T, SkipUntilFlags Flags=static_cast< SkipUntilFlags >(0))
SkipUntil - Read tokens until we get to the specified token, then consume it (unless StopBeforeMatch ...
Definition: Parser.h:1080
const Token & NextToken()
NextToken - This peeks ahead one token and returns it without consuming it.
Definition: Parser.h:745
The message is a class message, and the identifier is a type name.
Definition: Sema.h:8322
One of these records is kept for each identifier that is lexed.
RAII class that helps handle the parsing of an open/close delimiter pair, such as braces { ...
const LangOptions & getLangOpts() const
Definition: Preprocessor.h:814
PtrTy get() const
Definition: Ownership.h:170
ExprResult ActOnDesignatedInitializer(Designation &Desig, SourceLocation Loc, bool GNUSyntax, ExprResult Init)
Definition: SemaInit.cpp:2970
ExprResult CorrectDelayedTyposInExpr(Expr *E, VarDecl *InitDecl=nullptr, llvm::function_ref< ExprResult(Expr *)> Filter=[](Expr *E) -> ExprResult { return E;})
Process any TypoExprs in the given Expr and its children, generating diagnostics as appropriate and r...
unsigned getNumDesignators() const
Definition: Designator.h:192
The message is an instance message.
Definition: Sema.h:8319
bool isArrayDesignator() const
Definition: Designator.h:70
SourceLocation getLocation() const
Return a source location identifier for the specified offset in the current file. ...
Definition: Token.h:123
ObjCMessageKind getObjCMessageKind(Scope *S, IdentifierInfo *Name, SourceLocation NameLoc, bool IsSuper, bool HasTrailingDot, ParsedType &ReceiverType)
bool isInvalid() const
Definition: Ownership.h:166
SourceLocation getOpenLocation() const
bool empty() const
Definition: Designator.h:190
bool isUsable() const
Definition: Ownership.h:167
The result type of a method or function.
ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, SourceLocation EllipsisLoc)
Invoked when parsing a template argument followed by an ellipsis, which creates a pack expansion...
const LangOptions & getLangOpts() const
Definition: Parser.h:393
Kind
const Designator & getDesignator(unsigned Idx) const
Definition: Designator.h:193
Stop skipping at semicolon.
Definition: Parser.h:1060
ActionResult - This structure is used while parsing/acting on expressions, stmts, etc...
Definition: Ownership.h:153
Encodes a location in the source.
IdentifierInfo * getIdentifierInfo() const
Definition: Token.h:176
The message is sent to &#39;super&#39;.
Definition: Sema.h:8317
ExprResult ActOnInitList(SourceLocation LBraceLoc, MultiExprArg InitArgList, SourceLocation RBraceLoc)
Definition: SemaExpr.cpp:6050
TokenKind
Provides a simple uniform namespace for tokens from all C languages.
Definition: TokenKinds.h:24
Scope * getCurScope() const
Definition: Parser.h:400
StringRef getName() const
Return the actual identifier string.
bool isNot(tok::TokenKind K) const
Definition: Token.h:95
Dataflow Directional Tag Classes.
DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID)
Definition: Parser.cpp:72
static void CheckArrayDesignatorSyntax(Parser &P, SourceLocation Loc, Designation &Desig)
Definition: ParseInit.cpp:92
ExprResult ParseAssignmentExpression(TypeCastState isTypeCast=NotTypeCast)
Parse an expr that doesn&#39;t include (top-level) commas.
Definition: ParseExpr.cpp:159
static FixItHint CreateInsertion(SourceLocation InsertionLoc, StringRef Code, bool BeforePreviousInsertions=false)
Create a code modification hint that inserts the given code string at a specific location.
Definition: Diagnostic.h:91
ExprResult ParseConstantExpression(TypeCastState isTypeCast=NotTypeCast)
Definition: ParseExpr.cpp:210
void AddDesignator(Designator D)
AddDesignator - Add a designator to the end of this list.
Definition: Designator.h:186
ActionResult< Expr * > ExprResult
Definition: Ownership.h:263
SourceLocation ConsumeToken()
ConsumeToken - Consume the current &#39;peek token&#39; and lex the next one.
Definition: Parser.h:438
static FixItHint CreateReplacement(CharSourceRange RemoveRange, StringRef Code)
Create a code modification hint that replaces the given source range with the given code string...
Definition: Diagnostic.h:128
Represents a complete lambda introducer.
Definition: DeclSpec.h:2548
ExprResult ExprError()
Definition: Ownership.h:279
Designation - Represent a full designation, which is a sequence of designators.
Definition: Designator.h:180
static Designator getArray(Expr *Index, SourceLocation LBracketLoc)
Definition: Designator.h:135
A trivial tuple used to represent a source range.
static Designator getArrayRange(Expr *Start, Expr *End, SourceLocation LBracketLoc, SourceLocation EllipsisLoc)
Definition: Designator.h:145
static OpaquePtr getFromOpaquePtr(void *P)
Definition: Ownership.h:91
SourceLocation ColonLoc
Location of &#39;:&#39;.
Definition: OpenMPClause.h:107
Stop skipping at specified token, but don&#39;t skip the token itself.
Definition: Parser.h:1062