clang  3.9.0
Stmt.h
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1 //===--- Stmt.h - Classes for representing statements -----------*- C++ -*-===//
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 // This file defines the Stmt interface and subclasses.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_AST_STMT_H
15 #define LLVM_CLANG_AST_STMT_H
16 
17 #include "clang/AST/DeclGroup.h"
18 #include "clang/AST/StmtIterator.h"
21 #include "clang/Basic/LLVM.h"
23 #include "llvm/ADT/ArrayRef.h"
24 #include "llvm/ADT/PointerIntPair.h"
25 #include "llvm/ADT/iterator.h"
26 #include "llvm/Support/Compiler.h"
27 #include "llvm/Support/ErrorHandling.h"
28 #include <string>
29 
30 namespace llvm {
31  class FoldingSetNodeID;
32 }
33 
34 namespace clang {
35  class ASTContext;
36  class Attr;
37  class CapturedDecl;
38  class Decl;
39  class Expr;
40  class IdentifierInfo;
41  class LabelDecl;
42  class ParmVarDecl;
43  class PrinterHelper;
44  struct PrintingPolicy;
45  class QualType;
46  class RecordDecl;
47  class SourceManager;
48  class StringLiteral;
49  class SwitchStmt;
50  class Token;
51  class VarDecl;
52 
53 //===----------------------------------------------------------------------===//
54 // AST classes for statements.
55 //===----------------------------------------------------------------------===//
56 
57 /// Stmt - This represents one statement.
58 ///
59 class LLVM_ALIGNAS(LLVM_PTR_SIZE) Stmt {
60 public:
61  enum StmtClass {
62  NoStmtClass = 0,
63 #define STMT(CLASS, PARENT) CLASS##Class,
64 #define STMT_RANGE(BASE, FIRST, LAST) \
65  first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class,
66 #define LAST_STMT_RANGE(BASE, FIRST, LAST) \
67  first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class
68 #define ABSTRACT_STMT(STMT)
69 #include "clang/AST/StmtNodes.inc"
70  };
71 
72  // Make vanilla 'new' and 'delete' illegal for Stmts.
73 protected:
74  void *operator new(size_t bytes) LLVM_NOEXCEPT {
75  llvm_unreachable("Stmts cannot be allocated with regular 'new'.");
76  }
77  void operator delete(void *data) LLVM_NOEXCEPT {
78  llvm_unreachable("Stmts cannot be released with regular 'delete'.");
79  }
80 
81  class StmtBitfields {
82  friend class Stmt;
83 
84  /// \brief The statement class.
85  unsigned sClass : 8;
86  };
87  enum { NumStmtBits = 8 };
88 
89  class CompoundStmtBitfields {
90  friend class CompoundStmt;
91  unsigned : NumStmtBits;
92 
93  unsigned NumStmts : 32 - NumStmtBits;
94  };
95 
96  class IfStmtBitfields {
97  friend class IfStmt;
98  unsigned : NumStmtBits;
99 
100  unsigned IsConstexpr : 1;
101  };
102 
103  class ExprBitfields {
104  friend class Expr;
105  friend class DeclRefExpr; // computeDependence
106  friend class InitListExpr; // ctor
107  friend class DesignatedInitExpr; // ctor
108  friend class BlockDeclRefExpr; // ctor
109  friend class ASTStmtReader; // deserialization
110  friend class CXXNewExpr; // ctor
111  friend class DependentScopeDeclRefExpr; // ctor
112  friend class CXXConstructExpr; // ctor
113  friend class CallExpr; // ctor
114  friend class OffsetOfExpr; // ctor
115  friend class ObjCMessageExpr; // ctor
116  friend class ObjCArrayLiteral; // ctor
117  friend class ObjCDictionaryLiteral; // ctor
118  friend class ShuffleVectorExpr; // ctor
119  friend class ParenListExpr; // ctor
120  friend class CXXUnresolvedConstructExpr; // ctor
121  friend class CXXDependentScopeMemberExpr; // ctor
122  friend class OverloadExpr; // ctor
123  friend class PseudoObjectExpr; // ctor
124  friend class AtomicExpr; // ctor
125  friend class OpaqueValueExpr; // ctor
126  unsigned : NumStmtBits;
127 
128  unsigned ValueKind : 2;
129  unsigned ObjectKind : 2;
130  unsigned TypeDependent : 1;
131  unsigned ValueDependent : 1;
132  unsigned InstantiationDependent : 1;
133  unsigned ContainsUnexpandedParameterPack : 1;
134  };
135  enum { NumExprBits = 16 };
136 
137  class CharacterLiteralBitfields {
138  friend class CharacterLiteral;
139  unsigned : NumExprBits;
140 
141  unsigned Kind : 3;
142  };
143 
144  enum APFloatSemantics {
145  IEEEhalf,
146  IEEEsingle,
147  IEEEdouble,
148  x87DoubleExtended,
149  IEEEquad,
150  PPCDoubleDouble
151  };
152 
153  class FloatingLiteralBitfields {
154  friend class FloatingLiteral;
155  unsigned : NumExprBits;
156 
157  unsigned Semantics : 3; // Provides semantics for APFloat construction
158  unsigned IsExact : 1;
159  };
160 
161  class UnaryExprOrTypeTraitExprBitfields {
162  friend class UnaryExprOrTypeTraitExpr;
163  unsigned : NumExprBits;
164 
165  unsigned Kind : 2;
166  unsigned IsType : 1; // true if operand is a type, false if an expression.
167  };
168 
169  class DeclRefExprBitfields {
170  friend class DeclRefExpr;
171  friend class ASTStmtReader; // deserialization
172  unsigned : NumExprBits;
173 
174  unsigned HasQualifier : 1;
175  unsigned HasTemplateKWAndArgsInfo : 1;
176  unsigned HasFoundDecl : 1;
177  unsigned HadMultipleCandidates : 1;
178  unsigned RefersToEnclosingVariableOrCapture : 1;
179  };
180 
181  class CastExprBitfields {
182  friend class CastExpr;
183  unsigned : NumExprBits;
184 
185  unsigned Kind : 6;
186  unsigned BasePathSize : 32 - 6 - NumExprBits;
187  };
188 
189  class CallExprBitfields {
190  friend class CallExpr;
191  unsigned : NumExprBits;
192 
193  unsigned NumPreArgs : 1;
194  };
195 
196  class ExprWithCleanupsBitfields {
197  friend class ExprWithCleanups;
198  friend class ASTStmtReader; // deserialization
199 
200  unsigned : NumExprBits;
201 
202  // When false, it must not have side effects.
203  unsigned CleanupsHaveSideEffects : 1;
204 
205  unsigned NumObjects : 32 - 1 - NumExprBits;
206  };
207 
208  class PseudoObjectExprBitfields {
209  friend class PseudoObjectExpr;
210  friend class ASTStmtReader; // deserialization
211 
212  unsigned : NumExprBits;
213 
214  // These don't need to be particularly wide, because they're
215  // strictly limited by the forms of expressions we permit.
216  unsigned NumSubExprs : 8;
217  unsigned ResultIndex : 32 - 8 - NumExprBits;
218  };
219 
220  class ObjCIndirectCopyRestoreExprBitfields {
221  friend class ObjCIndirectCopyRestoreExpr;
222  unsigned : NumExprBits;
223 
224  unsigned ShouldCopy : 1;
225  };
226 
227  class InitListExprBitfields {
228  friend class InitListExpr;
229 
230  unsigned : NumExprBits;
231 
232  /// Whether this initializer list originally had a GNU array-range
233  /// designator in it. This is a temporary marker used by CodeGen.
234  unsigned HadArrayRangeDesignator : 1;
235  };
236 
237  class TypeTraitExprBitfields {
238  friend class TypeTraitExpr;
239  friend class ASTStmtReader;
240  friend class ASTStmtWriter;
241 
242  unsigned : NumExprBits;
243 
244  /// \brief The kind of type trait, which is a value of a TypeTrait enumerator.
245  unsigned Kind : 8;
246 
247  /// \brief If this expression is not value-dependent, this indicates whether
248  /// the trait evaluated true or false.
249  unsigned Value : 1;
250 
251  /// \brief The number of arguments to this type trait.
252  unsigned NumArgs : 32 - 8 - 1 - NumExprBits;
253  };
254 
255  union {
256  StmtBitfields StmtBits;
257  CompoundStmtBitfields CompoundStmtBits;
258  IfStmtBitfields IfStmtBits;
259  ExprBitfields ExprBits;
260  CharacterLiteralBitfields CharacterLiteralBits;
261  FloatingLiteralBitfields FloatingLiteralBits;
262  UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits;
263  DeclRefExprBitfields DeclRefExprBits;
264  CastExprBitfields CastExprBits;
265  CallExprBitfields CallExprBits;
266  ExprWithCleanupsBitfields ExprWithCleanupsBits;
267  PseudoObjectExprBitfields PseudoObjectExprBits;
268  ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits;
269  InitListExprBitfields InitListExprBits;
270  TypeTraitExprBitfields TypeTraitExprBits;
271  };
272 
273  friend class ASTStmtReader;
274  friend class ASTStmtWriter;
275 
276 public:
277  // Only allow allocation of Stmts using the allocator in ASTContext
278  // or by doing a placement new.
279  void* operator new(size_t bytes, const ASTContext& C,
280  unsigned alignment = 8);
281 
282  void* operator new(size_t bytes, const ASTContext* C,
283  unsigned alignment = 8) {
284  return operator new(bytes, *C, alignment);
285  }
286 
287  void *operator new(size_t bytes, void *mem) LLVM_NOEXCEPT { return mem; }
288 
289  void operator delete(void *, const ASTContext &, unsigned) LLVM_NOEXCEPT {}
290  void operator delete(void *, const ASTContext *, unsigned) LLVM_NOEXCEPT {}
291  void operator delete(void *, size_t) LLVM_NOEXCEPT {}
292  void operator delete(void *, void *) LLVM_NOEXCEPT {}
293 
294 public:
295  /// \brief A placeholder type used to construct an empty shell of a
296  /// type, that will be filled in later (e.g., by some
297  /// de-serialization).
298  struct EmptyShell { };
299 
300 protected:
301  /// Iterator for iterating over Stmt * arrays that contain only Expr *
302  ///
303  /// This is needed because AST nodes use Stmt* arrays to store
304  /// references to children (to be compatible with StmtIterator).
305  struct ExprIterator
306  : llvm::iterator_adaptor_base<ExprIterator, Stmt **,
307  std::random_access_iterator_tag, Expr *> {
308  ExprIterator() : iterator_adaptor_base(nullptr) {}
309  ExprIterator(Stmt **I) : iterator_adaptor_base(I) {}
310 
311  reference operator*() const {
312  assert((*I)->getStmtClass() >= firstExprConstant &&
313  (*I)->getStmtClass() <= lastExprConstant);
314  return *reinterpret_cast<Expr **>(I);
315  }
316  };
317 
318  /// Const iterator for iterating over Stmt * arrays that contain only Expr *
319  struct ConstExprIterator
320  : llvm::iterator_adaptor_base<ConstExprIterator, const Stmt *const *,
321  std::random_access_iterator_tag,
322  const Expr *const> {
323  ConstExprIterator() : iterator_adaptor_base(nullptr) {}
324  ConstExprIterator(const Stmt *const *I) : iterator_adaptor_base(I) {}
325 
326  reference operator*() const {
327  assert((*I)->getStmtClass() >= firstExprConstant &&
328  (*I)->getStmtClass() <= lastExprConstant);
329  return *reinterpret_cast<const Expr *const *>(I);
330  }
331  };
332 
333 private:
334  /// \brief Whether statistic collection is enabled.
335  static bool StatisticsEnabled;
336 
337 protected:
338  /// \brief Construct an empty statement.
339  explicit Stmt(StmtClass SC, EmptyShell) : Stmt(SC) {}
340 
341 public:
342  Stmt(StmtClass SC) {
343  static_assert(sizeof(*this) % llvm::AlignOf<void *>::Alignment == 0,
344  "Insufficient alignment!");
345  StmtBits.sClass = SC;
346  if (StatisticsEnabled) Stmt::addStmtClass(SC);
347  }
348 
349  StmtClass getStmtClass() const {
350  return static_cast<StmtClass>(StmtBits.sClass);
351  }
352  const char *getStmtClassName() const;
353 
354  /// SourceLocation tokens are not useful in isolation - they are low level
355  /// value objects created/interpreted by SourceManager. We assume AST
356  /// clients will have a pointer to the respective SourceManager.
357  SourceRange getSourceRange() const LLVM_READONLY;
358  SourceLocation getLocStart() const LLVM_READONLY;
359  SourceLocation getLocEnd() const LLVM_READONLY;
360 
361  // global temp stats (until we have a per-module visitor)
362  static void addStmtClass(const StmtClass s);
363  static void EnableStatistics();
364  static void PrintStats();
365 
366  /// \brief Dumps the specified AST fragment and all subtrees to
367  /// \c llvm::errs().
368  void dump() const;
369  void dump(SourceManager &SM) const;
370  void dump(raw_ostream &OS, SourceManager &SM) const;
371  void dump(raw_ostream &OS) const;
372 
373  /// dumpColor - same as dump(), but forces color highlighting.
374  void dumpColor() const;
375 
376  /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST
377  /// back to its original source language syntax.
378  void dumpPretty(const ASTContext &Context) const;
379  void printPretty(raw_ostream &OS, PrinterHelper *Helper,
380  const PrintingPolicy &Policy,
381  unsigned Indentation = 0) const;
382 
383  /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only
384  /// works on systems with GraphViz (Mac OS X) or dot+gv installed.
385  void viewAST() const;
386 
387  /// Skip past any implicit AST nodes which might surround this
388  /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes.
389  Stmt *IgnoreImplicit();
390 
391  /// \brief Skip no-op (attributed, compound) container stmts and skip captured
392  /// stmt at the top, if \a IgnoreCaptured is true.
393  Stmt *IgnoreContainers(bool IgnoreCaptured = false);
394 
395  const Stmt *stripLabelLikeStatements() const;
396  Stmt *stripLabelLikeStatements() {
397  return const_cast<Stmt*>(
398  const_cast<const Stmt*>(this)->stripLabelLikeStatements());
399  }
400 
401  /// Child Iterators: All subclasses must implement 'children'
402  /// to permit easy iteration over the substatements/subexpessions of an
403  /// AST node. This permits easy iteration over all nodes in the AST.
404  typedef StmtIterator child_iterator;
405  typedef ConstStmtIterator const_child_iterator;
406 
407  typedef llvm::iterator_range<child_iterator> child_range;
408  typedef llvm::iterator_range<const_child_iterator> const_child_range;
409 
410  child_range children();
411  const_child_range children() const {
412  auto Children = const_cast<Stmt *>(this)->children();
413  return const_child_range(Children.begin(), Children.end());
414  }
415 
416  child_iterator child_begin() { return children().begin(); }
417  child_iterator child_end() { return children().end(); }
418 
419  const_child_iterator child_begin() const { return children().begin(); }
420  const_child_iterator child_end() const { return children().end(); }
421 
422  /// \brief Produce a unique representation of the given statement.
423  ///
424  /// \param ID once the profiling operation is complete, will contain
425  /// the unique representation of the given statement.
426  ///
427  /// \param Context the AST context in which the statement resides
428  ///
429  /// \param Canonical whether the profile should be based on the canonical
430  /// representation of this statement (e.g., where non-type template
431  /// parameters are identified by index/level rather than their
432  /// declaration pointers) or the exact representation of the statement as
433  /// written in the source.
434  void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
435  bool Canonical) const;
436 };
437 
438 /// DeclStmt - Adaptor class for mixing declarations with statements and
439 /// expressions. For example, CompoundStmt mixes statements, expressions
440 /// and declarations (variables, types). Another example is ForStmt, where
441 /// the first statement can be an expression or a declaration.
442 ///
443 class DeclStmt : public Stmt {
444  DeclGroupRef DG;
445  SourceLocation StartLoc, EndLoc;
446 
447 public:
449  SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg),
450  StartLoc(startLoc), EndLoc(endLoc) {}
451 
452  /// \brief Build an empty declaration statement.
453  explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { }
454 
455  /// isSingleDecl - This method returns true if this DeclStmt refers
456  /// to a single Decl.
457  bool isSingleDecl() const {
458  return DG.isSingleDecl();
459  }
460 
461  const Decl *getSingleDecl() const { return DG.getSingleDecl(); }
462  Decl *getSingleDecl() { return DG.getSingleDecl(); }
463 
464  const DeclGroupRef getDeclGroup() const { return DG; }
465  DeclGroupRef getDeclGroup() { return DG; }
466  void setDeclGroup(DeclGroupRef DGR) { DG = DGR; }
467 
468  SourceLocation getStartLoc() const { return StartLoc; }
469  void setStartLoc(SourceLocation L) { StartLoc = L; }
470  SourceLocation getEndLoc() const { return EndLoc; }
471  void setEndLoc(SourceLocation L) { EndLoc = L; }
472 
473  SourceLocation getLocStart() const LLVM_READONLY { return StartLoc; }
474  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
475 
476  static bool classof(const Stmt *T) {
477  return T->getStmtClass() == DeclStmtClass;
478  }
479 
480  // Iterators over subexpressions.
481  child_range children() {
482  return child_range(child_iterator(DG.begin(), DG.end()),
483  child_iterator(DG.end(), DG.end()));
484  }
485 
488  typedef llvm::iterator_range<decl_iterator> decl_range;
489  typedef llvm::iterator_range<const_decl_iterator> decl_const_range;
490 
491  decl_range decls() { return decl_range(decl_begin(), decl_end()); }
493  return decl_const_range(decl_begin(), decl_end());
494  }
495  decl_iterator decl_begin() { return DG.begin(); }
496  decl_iterator decl_end() { return DG.end(); }
497  const_decl_iterator decl_begin() const { return DG.begin(); }
498  const_decl_iterator decl_end() const { return DG.end(); }
499 
500  typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator;
502  return reverse_decl_iterator(decl_end());
503  }
505  return reverse_decl_iterator(decl_begin());
506  }
507 };
508 
509 /// NullStmt - This is the null statement ";": C99 6.8.3p3.
510 ///
511 class NullStmt : public Stmt {
512  SourceLocation SemiLoc;
513 
514  /// \brief True if the null statement was preceded by an empty macro, e.g:
515  /// @code
516  /// #define CALL(x)
517  /// CALL(0);
518  /// @endcode
519  bool HasLeadingEmptyMacro;
520 public:
521  NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false)
522  : Stmt(NullStmtClass), SemiLoc(L),
523  HasLeadingEmptyMacro(hasLeadingEmptyMacro) {}
524 
525  /// \brief Build an empty null statement.
526  explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty),
527  HasLeadingEmptyMacro(false) { }
528 
529  SourceLocation getSemiLoc() const { return SemiLoc; }
530  void setSemiLoc(SourceLocation L) { SemiLoc = L; }
531 
532  bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; }
533 
534  SourceLocation getLocStart() const LLVM_READONLY { return SemiLoc; }
535  SourceLocation getLocEnd() const LLVM_READONLY { return SemiLoc; }
536 
537  static bool classof(const Stmt *T) {
538  return T->getStmtClass() == NullStmtClass;
539  }
540 
541  child_range children() {
542  return child_range(child_iterator(), child_iterator());
543  }
544 
545  friend class ASTStmtReader;
546  friend class ASTStmtWriter;
547 };
548 
549 /// CompoundStmt - This represents a group of statements like { stmt stmt }.
550 ///
551 class CompoundStmt : public Stmt {
552  Stmt** Body;
553  SourceLocation LBraceLoc, RBraceLoc;
554 
555  friend class ASTStmtReader;
556 
557 public:
560 
561  // \brief Build an empty compound statement with a location.
563  : Stmt(CompoundStmtClass), Body(nullptr), LBraceLoc(Loc), RBraceLoc(Loc) {
564  CompoundStmtBits.NumStmts = 0;
565  }
566 
567  // \brief Build an empty compound statement.
568  explicit CompoundStmt(EmptyShell Empty)
569  : Stmt(CompoundStmtClass, Empty), Body(nullptr) {
570  CompoundStmtBits.NumStmts = 0;
571  }
572 
573  void setStmts(const ASTContext &C, ArrayRef<Stmt *> Stmts);
574 
575  bool body_empty() const { return CompoundStmtBits.NumStmts == 0; }
576  unsigned size() const { return CompoundStmtBits.NumStmts; }
577 
578  typedef Stmt** body_iterator;
579  typedef llvm::iterator_range<body_iterator> body_range;
580 
581  body_range body() { return body_range(body_begin(), body_end()); }
582  body_iterator body_begin() { return Body; }
583  body_iterator body_end() { return Body + size(); }
584  Stmt *body_front() { return !body_empty() ? Body[0] : nullptr; }
585  Stmt *body_back() { return !body_empty() ? Body[size()-1] : nullptr; }
586 
587  void setLastStmt(Stmt *S) {
588  assert(!body_empty() && "setLastStmt");
589  Body[size()-1] = S;
590  }
591 
592  typedef Stmt* const * const_body_iterator;
593  typedef llvm::iterator_range<const_body_iterator> body_const_range;
594 
596  return body_const_range(body_begin(), body_end());
597  }
598  const_body_iterator body_begin() const { return Body; }
599  const_body_iterator body_end() const { return Body + size(); }
600  const Stmt *body_front() const {
601  return !body_empty() ? Body[0] : nullptr;
602  }
603  const Stmt *body_back() const {
604  return !body_empty() ? Body[size() - 1] : nullptr;
605  }
606 
607  typedef std::reverse_iterator<body_iterator> reverse_body_iterator;
609  return reverse_body_iterator(body_end());
610  }
612  return reverse_body_iterator(body_begin());
613  }
614 
615  typedef std::reverse_iterator<const_body_iterator>
617 
619  return const_reverse_body_iterator(body_end());
620  }
621 
623  return const_reverse_body_iterator(body_begin());
624  }
625 
626  SourceLocation getLocStart() const LLVM_READONLY { return LBraceLoc; }
627  SourceLocation getLocEnd() const LLVM_READONLY { return RBraceLoc; }
628 
629  SourceLocation getLBracLoc() const { return LBraceLoc; }
630  SourceLocation getRBracLoc() const { return RBraceLoc; }
631 
632  static bool classof(const Stmt *T) {
633  return T->getStmtClass() == CompoundStmtClass;
634  }
635 
636  // Iterators
637  child_range children() {
638  return child_range(Body, Body + CompoundStmtBits.NumStmts);
639  }
640 
641  const_child_range children() const {
642  return const_child_range(child_iterator(Body),
643  child_iterator(Body + CompoundStmtBits.NumStmts));
644  }
645 };
646 
647 // SwitchCase is the base class for CaseStmt and DefaultStmt,
648 class SwitchCase : public Stmt {
649 protected:
650  // A pointer to the following CaseStmt or DefaultStmt class,
651  // used by SwitchStmt.
655 
657  : Stmt(SC), NextSwitchCase(nullptr), KeywordLoc(KWLoc), ColonLoc(ColonLoc) {
658  }
659 
660  SwitchCase(StmtClass SC, EmptyShell)
661  : Stmt(SC), NextSwitchCase(nullptr) {}
662 
663 public:
664  const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; }
665 
666  SwitchCase *getNextSwitchCase() { return NextSwitchCase; }
667 
668  void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; }
669 
670  SourceLocation getKeywordLoc() const { return KeywordLoc; }
671  void setKeywordLoc(SourceLocation L) { KeywordLoc = L; }
672  SourceLocation getColonLoc() const { return ColonLoc; }
674 
675  Stmt *getSubStmt();
676  const Stmt *getSubStmt() const {
677  return const_cast<SwitchCase*>(this)->getSubStmt();
678  }
679 
680  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
681  SourceLocation getLocEnd() const LLVM_READONLY;
682 
683  static bool classof(const Stmt *T) {
684  return T->getStmtClass() == CaseStmtClass ||
685  T->getStmtClass() == DefaultStmtClass;
686  }
687 };
688 
689 class CaseStmt : public SwitchCase {
690  SourceLocation EllipsisLoc;
691  enum { LHS, RHS, SUBSTMT, END_EXPR };
692  Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for
693  // GNU "case 1 ... 4" extension
694 public:
695  CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc,
696  SourceLocation ellipsisLoc, SourceLocation colonLoc)
697  : SwitchCase(CaseStmtClass, caseLoc, colonLoc) {
698  SubExprs[SUBSTMT] = nullptr;
699  SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs);
700  SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs);
701  EllipsisLoc = ellipsisLoc;
702  }
703 
704  /// \brief Build an empty switch case statement.
705  explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass, Empty) { }
706 
707  SourceLocation getCaseLoc() const { return KeywordLoc; }
708  void setCaseLoc(SourceLocation L) { KeywordLoc = L; }
709  SourceLocation getEllipsisLoc() const { return EllipsisLoc; }
710  void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; }
711  SourceLocation getColonLoc() const { return ColonLoc; }
713 
714  Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); }
715  Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); }
716  Stmt *getSubStmt() { return SubExprs[SUBSTMT]; }
717 
718  const Expr *getLHS() const {
719  return reinterpret_cast<const Expr*>(SubExprs[LHS]);
720  }
721  const Expr *getRHS() const {
722  return reinterpret_cast<const Expr*>(SubExprs[RHS]);
723  }
724  const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; }
725 
726  void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; }
727  void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); }
728  void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); }
729 
730  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
731  SourceLocation getLocEnd() const LLVM_READONLY {
732  // Handle deeply nested case statements with iteration instead of recursion.
733  const CaseStmt *CS = this;
734  while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt()))
735  CS = CS2;
736 
737  return CS->getSubStmt()->getLocEnd();
738  }
739 
740  static bool classof(const Stmt *T) {
741  return T->getStmtClass() == CaseStmtClass;
742  }
743 
744  // Iterators
745  child_range children() {
746  return child_range(&SubExprs[0], &SubExprs[END_EXPR]);
747  }
748 };
749 
750 class DefaultStmt : public SwitchCase {
751  Stmt* SubStmt;
752 public:
754  SwitchCase(DefaultStmtClass, DL, CL), SubStmt(substmt) {}
755 
756  /// \brief Build an empty default statement.
757  explicit DefaultStmt(EmptyShell Empty)
758  : SwitchCase(DefaultStmtClass, Empty) { }
759 
760  Stmt *getSubStmt() { return SubStmt; }
761  const Stmt *getSubStmt() const { return SubStmt; }
762  void setSubStmt(Stmt *S) { SubStmt = S; }
763 
764  SourceLocation getDefaultLoc() const { return KeywordLoc; }
765  void setDefaultLoc(SourceLocation L) { KeywordLoc = L; }
766  SourceLocation getColonLoc() const { return ColonLoc; }
768 
769  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
770  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
771 
772  static bool classof(const Stmt *T) {
773  return T->getStmtClass() == DefaultStmtClass;
774  }
775 
776  // Iterators
777  child_range children() { return child_range(&SubStmt, &SubStmt+1); }
778 };
779 
781  if (const CaseStmt *CS = dyn_cast<CaseStmt>(this))
782  return CS->getLocEnd();
783  return cast<DefaultStmt>(this)->getLocEnd();
784 }
785 
786 /// LabelStmt - Represents a label, which has a substatement. For example:
787 /// foo: return;
788 ///
789 class LabelStmt : public Stmt {
790  SourceLocation IdentLoc;
791  LabelDecl *TheDecl;
792  Stmt *SubStmt;
793 
794 public:
796  : Stmt(LabelStmtClass), IdentLoc(IL), TheDecl(D), SubStmt(substmt) {
797  static_assert(sizeof(LabelStmt) ==
798  2 * sizeof(SourceLocation) + 2 * sizeof(void *),
799  "LabelStmt too big");
800  }
801 
802  // \brief Build an empty label statement.
803  explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { }
804 
805  SourceLocation getIdentLoc() const { return IdentLoc; }
806  LabelDecl *getDecl() const { return TheDecl; }
807  void setDecl(LabelDecl *D) { TheDecl = D; }
808  const char *getName() const;
809  Stmt *getSubStmt() { return SubStmt; }
810  const Stmt *getSubStmt() const { return SubStmt; }
811  void setIdentLoc(SourceLocation L) { IdentLoc = L; }
812  void setSubStmt(Stmt *SS) { SubStmt = SS; }
813 
814  SourceLocation getLocStart() const LLVM_READONLY { return IdentLoc; }
815  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
816 
817  child_range children() { return child_range(&SubStmt, &SubStmt+1); }
818 
819  static bool classof(const Stmt *T) {
820  return T->getStmtClass() == LabelStmtClass;
821  }
822 };
823 
824 
825 /// \brief Represents an attribute applied to a statement.
826 ///
827 /// Represents an attribute applied to a statement. For example:
828 /// [[omp::for(...)]] for (...) { ... }
829 ///
830 class AttributedStmt : public Stmt {
831  Stmt *SubStmt;
832  SourceLocation AttrLoc;
833  unsigned NumAttrs;
834 
835  friend class ASTStmtReader;
836 
838  : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc),
839  NumAttrs(Attrs.size()) {
840  std::copy(Attrs.begin(), Attrs.end(), getAttrArrayPtr());
841  }
842 
843  explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs)
844  : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) {
845  std::fill_n(getAttrArrayPtr(), NumAttrs, nullptr);
846  }
847 
848  const Attr *const *getAttrArrayPtr() const {
849  return reinterpret_cast<const Attr *const *>(this + 1);
850  }
851  const Attr **getAttrArrayPtr() {
852  return reinterpret_cast<const Attr **>(this + 1);
853  }
854 
855 public:
856  static AttributedStmt *Create(const ASTContext &C, SourceLocation Loc,
857  ArrayRef<const Attr*> Attrs, Stmt *SubStmt);
858  // \brief Build an empty attributed statement.
859  static AttributedStmt *CreateEmpty(const ASTContext &C, unsigned NumAttrs);
860 
861  SourceLocation getAttrLoc() const { return AttrLoc; }
863  return llvm::makeArrayRef(getAttrArrayPtr(), NumAttrs);
864  }
865  Stmt *getSubStmt() { return SubStmt; }
866  const Stmt *getSubStmt() const { return SubStmt; }
867 
868  SourceLocation getLocStart() const LLVM_READONLY { return AttrLoc; }
869  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
870 
871  child_range children() { return child_range(&SubStmt, &SubStmt + 1); }
872 
873  static bool classof(const Stmt *T) {
874  return T->getStmtClass() == AttributedStmtClass;
875  }
876 };
877 
878 
879 /// IfStmt - This represents an if/then/else.
880 ///
881 class IfStmt : public Stmt {
882  enum { INIT, VAR, COND, THEN, ELSE, END_EXPR };
883  Stmt* SubExprs[END_EXPR];
884 
885  SourceLocation IfLoc;
886  SourceLocation ElseLoc;
887 
888 public:
889  IfStmt(const ASTContext &C, SourceLocation IL,
890  bool IsConstexpr, Stmt *init, VarDecl *var, Expr *cond,
891  Stmt *then, SourceLocation EL = SourceLocation(),
892  Stmt *elsev = nullptr);
893 
894  /// \brief Build an empty if/then/else statement
895  explicit IfStmt(EmptyShell Empty) : Stmt(IfStmtClass, Empty) { }
896 
897  /// \brief Retrieve the variable declared in this "if" statement, if any.
898  ///
899  /// In the following example, "x" is the condition variable.
900  /// \code
901  /// if (int x = foo()) {
902  /// printf("x is %d", x);
903  /// }
904  /// \endcode
905  VarDecl *getConditionVariable() const;
906  void setConditionVariable(const ASTContext &C, VarDecl *V);
907 
908  /// If this IfStmt has a condition variable, return the faux DeclStmt
909  /// associated with the creation of that condition variable.
911  return reinterpret_cast<DeclStmt*>(SubExprs[VAR]);
912  }
913 
914  Stmt *getInit() { return SubExprs[INIT]; }
915  const Stmt *getInit() const { return SubExprs[INIT]; }
916  void setInit(Stmt *S) { SubExprs[INIT] = S; }
917  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
918  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); }
919  const Stmt *getThen() const { return SubExprs[THEN]; }
920  void setThen(Stmt *S) { SubExprs[THEN] = S; }
921  const Stmt *getElse() const { return SubExprs[ELSE]; }
922  void setElse(Stmt *S) { SubExprs[ELSE] = S; }
923 
924  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
925  Stmt *getThen() { return SubExprs[THEN]; }
926  Stmt *getElse() { return SubExprs[ELSE]; }
927 
928  SourceLocation getIfLoc() const { return IfLoc; }
929  void setIfLoc(SourceLocation L) { IfLoc = L; }
930  SourceLocation getElseLoc() const { return ElseLoc; }
931  void setElseLoc(SourceLocation L) { ElseLoc = L; }
932 
933  bool isConstexpr() const { return IfStmtBits.IsConstexpr; }
934  void setConstexpr(bool C) { IfStmtBits.IsConstexpr = C; }
935 
936  SourceLocation getLocStart() const LLVM_READONLY { return IfLoc; }
937  SourceLocation getLocEnd() const LLVM_READONLY {
938  if (SubExprs[ELSE])
939  return SubExprs[ELSE]->getLocEnd();
940  else
941  return SubExprs[THEN]->getLocEnd();
942  }
943 
944  // Iterators over subexpressions. The iterators will include iterating
945  // over the initialization expression referenced by the condition variable.
946  child_range children() {
947  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
948  }
949 
950  static bool classof(const Stmt *T) {
951  return T->getStmtClass() == IfStmtClass;
952  }
953 };
954 
955 /// SwitchStmt - This represents a 'switch' stmt.
956 ///
957 class SwitchStmt : public Stmt {
958  SourceLocation SwitchLoc;
959  enum { INIT, VAR, COND, BODY, END_EXPR };
960  Stmt* SubExprs[END_EXPR];
961  // This points to a linked list of case and default statements and, if the
962  // SwitchStmt is a switch on an enum value, records whether all the enum
963  // values were covered by CaseStmts. The coverage information value is meant
964  // to be a hint for possible clients.
965  llvm::PointerIntPair<SwitchCase *, 1, bool> FirstCase;
966 
967 public:
968  SwitchStmt(const ASTContext &C, Stmt *Init, VarDecl *Var, Expr *cond);
969 
970  /// \brief Build a empty switch statement.
971  explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { }
972 
973  /// \brief Retrieve the variable declared in this "switch" statement, if any.
974  ///
975  /// In the following example, "x" is the condition variable.
976  /// \code
977  /// switch (int x = foo()) {
978  /// case 0: break;
979  /// // ...
980  /// }
981  /// \endcode
982  VarDecl *getConditionVariable() const;
983  void setConditionVariable(const ASTContext &C, VarDecl *V);
984 
985  /// If this SwitchStmt has a condition variable, return the faux DeclStmt
986  /// associated with the creation of that condition variable.
988  return reinterpret_cast<DeclStmt*>(SubExprs[VAR]);
989  }
990 
991  Stmt *getInit() { return SubExprs[INIT]; }
992  const Stmt *getInit() const { return SubExprs[INIT]; }
993  void setInit(Stmt *S) { SubExprs[INIT] = S; }
994  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
995  const Stmt *getBody() const { return SubExprs[BODY]; }
996  const SwitchCase *getSwitchCaseList() const { return FirstCase.getPointer(); }
997 
998  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);}
999  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); }
1000  Stmt *getBody() { return SubExprs[BODY]; }
1001  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1002  SwitchCase *getSwitchCaseList() { return FirstCase.getPointer(); }
1003 
1004  /// \brief Set the case list for this switch statement.
1005  void setSwitchCaseList(SwitchCase *SC) { FirstCase.setPointer(SC); }
1006 
1007  SourceLocation getSwitchLoc() const { return SwitchLoc; }
1008  void setSwitchLoc(SourceLocation L) { SwitchLoc = L; }
1009 
1011  SubExprs[BODY] = S;
1012  SwitchLoc = SL;
1013  }
1015  assert(!SC->getNextSwitchCase()
1016  && "case/default already added to a switch");
1017  SC->setNextSwitchCase(FirstCase.getPointer());
1018  FirstCase.setPointer(SC);
1019  }
1020 
1021  /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a
1022  /// switch over an enum value then all cases have been explicitly covered.
1023  void setAllEnumCasesCovered() { FirstCase.setInt(true); }
1024 
1025  /// Returns true if the SwitchStmt is a switch of an enum value and all cases
1026  /// have been explicitly covered.
1027  bool isAllEnumCasesCovered() const { return FirstCase.getInt(); }
1028 
1029  SourceLocation getLocStart() const LLVM_READONLY { return SwitchLoc; }
1030  SourceLocation getLocEnd() const LLVM_READONLY {
1031  return SubExprs[BODY] ? SubExprs[BODY]->getLocEnd() : SubExprs[COND]->getLocEnd();
1032  }
1033 
1034  // Iterators
1035  child_range children() {
1036  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1037  }
1038 
1039  static bool classof(const Stmt *T) {
1040  return T->getStmtClass() == SwitchStmtClass;
1041  }
1042 };
1043 
1044 
1045 /// WhileStmt - This represents a 'while' stmt.
1046 ///
1047 class WhileStmt : public Stmt {
1048  SourceLocation WhileLoc;
1049  enum { VAR, COND, BODY, END_EXPR };
1050  Stmt* SubExprs[END_EXPR];
1051 public:
1052  WhileStmt(const ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body,
1053  SourceLocation WL);
1054 
1055  /// \brief Build an empty while statement.
1056  explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { }
1057 
1058  /// \brief Retrieve the variable declared in this "while" statement, if any.
1059  ///
1060  /// In the following example, "x" is the condition variable.
1061  /// \code
1062  /// while (int x = random()) {
1063  /// // ...
1064  /// }
1065  /// \endcode
1066  VarDecl *getConditionVariable() const;
1067  void setConditionVariable(const ASTContext &C, VarDecl *V);
1068 
1069  /// If this WhileStmt has a condition variable, return the faux DeclStmt
1070  /// associated with the creation of that condition variable.
1072  return reinterpret_cast<DeclStmt*>(SubExprs[VAR]);
1073  }
1074 
1075  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1076  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1077  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1078  Stmt *getBody() { return SubExprs[BODY]; }
1079  const Stmt *getBody() const { return SubExprs[BODY]; }
1080  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1081 
1082  SourceLocation getWhileLoc() const { return WhileLoc; }
1083  void setWhileLoc(SourceLocation L) { WhileLoc = L; }
1084 
1085  SourceLocation getLocStart() const LLVM_READONLY { return WhileLoc; }
1086  SourceLocation getLocEnd() const LLVM_READONLY {
1087  return SubExprs[BODY]->getLocEnd();
1088  }
1089 
1090  static bool classof(const Stmt *T) {
1091  return T->getStmtClass() == WhileStmtClass;
1092  }
1093 
1094  // Iterators
1095  child_range children() {
1096  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1097  }
1098 };
1099 
1100 /// DoStmt - This represents a 'do/while' stmt.
1101 ///
1102 class DoStmt : public Stmt {
1103  SourceLocation DoLoc;
1104  enum { BODY, COND, END_EXPR };
1105  Stmt* SubExprs[END_EXPR];
1106  SourceLocation WhileLoc;
1107  SourceLocation RParenLoc; // Location of final ')' in do stmt condition.
1108 
1109 public:
1111  SourceLocation RP)
1112  : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) {
1113  SubExprs[COND] = reinterpret_cast<Stmt*>(cond);
1114  SubExprs[BODY] = body;
1115  }
1116 
1117  /// \brief Build an empty do-while statement.
1118  explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { }
1119 
1120  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1121  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1122  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1123  Stmt *getBody() { return SubExprs[BODY]; }
1124  const Stmt *getBody() const { return SubExprs[BODY]; }
1125  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1126 
1127  SourceLocation getDoLoc() const { return DoLoc; }
1128  void setDoLoc(SourceLocation L) { DoLoc = L; }
1129  SourceLocation getWhileLoc() const { return WhileLoc; }
1130  void setWhileLoc(SourceLocation L) { WhileLoc = L; }
1131 
1132  SourceLocation getRParenLoc() const { return RParenLoc; }
1133  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1134 
1135  SourceLocation getLocStart() const LLVM_READONLY { return DoLoc; }
1136  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
1137 
1138  static bool classof(const Stmt *T) {
1139  return T->getStmtClass() == DoStmtClass;
1140  }
1141 
1142  // Iterators
1143  child_range children() {
1144  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1145  }
1146 };
1147 
1148 
1149 /// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of
1150 /// the init/cond/inc parts of the ForStmt will be null if they were not
1151 /// specified in the source.
1152 ///
1153 class ForStmt : public Stmt {
1154  SourceLocation ForLoc;
1155  enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR };
1156  Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt.
1157  SourceLocation LParenLoc, RParenLoc;
1158 
1159 public:
1160  ForStmt(const ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar,
1161  Expr *Inc, Stmt *Body, SourceLocation FL, SourceLocation LP,
1162  SourceLocation RP);
1163 
1164  /// \brief Build an empty for statement.
1165  explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { }
1166 
1167  Stmt *getInit() { return SubExprs[INIT]; }
1168 
1169  /// \brief Retrieve the variable declared in this "for" statement, if any.
1170  ///
1171  /// In the following example, "y" is the condition variable.
1172  /// \code
1173  /// for (int x = random(); int y = mangle(x); ++x) {
1174  /// // ...
1175  /// }
1176  /// \endcode
1177  VarDecl *getConditionVariable() const;
1178  void setConditionVariable(const ASTContext &C, VarDecl *V);
1179 
1180  /// If this ForStmt has a condition variable, return the faux DeclStmt
1181  /// associated with the creation of that condition variable.
1183  return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]);
1184  }
1185 
1186  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1187  Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); }
1188  Stmt *getBody() { return SubExprs[BODY]; }
1189 
1190  const Stmt *getInit() const { return SubExprs[INIT]; }
1191  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1192  const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); }
1193  const Stmt *getBody() const { return SubExprs[BODY]; }
1194 
1195  void setInit(Stmt *S) { SubExprs[INIT] = S; }
1196  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1197  void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); }
1198  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1199 
1200  SourceLocation getForLoc() const { return ForLoc; }
1201  void setForLoc(SourceLocation L) { ForLoc = L; }
1202  SourceLocation getLParenLoc() const { return LParenLoc; }
1203  void setLParenLoc(SourceLocation L) { LParenLoc = L; }
1204  SourceLocation getRParenLoc() const { return RParenLoc; }
1205  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1206 
1207  SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; }
1208  SourceLocation getLocEnd() const LLVM_READONLY {
1209  return SubExprs[BODY]->getLocEnd();
1210  }
1211 
1212  static bool classof(const Stmt *T) {
1213  return T->getStmtClass() == ForStmtClass;
1214  }
1215 
1216  // Iterators
1217  child_range children() {
1218  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1219  }
1220 };
1221 
1222 /// GotoStmt - This represents a direct goto.
1223 ///
1224 class GotoStmt : public Stmt {
1225  LabelDecl *Label;
1226  SourceLocation GotoLoc;
1227  SourceLocation LabelLoc;
1228 public:
1230  : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {}
1231 
1232  /// \brief Build an empty goto statement.
1233  explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { }
1234 
1235  LabelDecl *getLabel() const { return Label; }
1236  void setLabel(LabelDecl *D) { Label = D; }
1237 
1238  SourceLocation getGotoLoc() const { return GotoLoc; }
1239  void setGotoLoc(SourceLocation L) { GotoLoc = L; }
1240  SourceLocation getLabelLoc() const { return LabelLoc; }
1241  void setLabelLoc(SourceLocation L) { LabelLoc = L; }
1242 
1243  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
1244  SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; }
1245 
1246  static bool classof(const Stmt *T) {
1247  return T->getStmtClass() == GotoStmtClass;
1248  }
1249 
1250  // Iterators
1251  child_range children() {
1252  return child_range(child_iterator(), child_iterator());
1253  }
1254 };
1255 
1256 /// IndirectGotoStmt - This represents an indirect goto.
1257 ///
1258 class IndirectGotoStmt : public Stmt {
1259  SourceLocation GotoLoc;
1260  SourceLocation StarLoc;
1261  Stmt *Target;
1262 public:
1264  Expr *target)
1265  : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc),
1266  Target((Stmt*)target) {}
1267 
1268  /// \brief Build an empty indirect goto statement.
1269  explicit IndirectGotoStmt(EmptyShell Empty)
1270  : Stmt(IndirectGotoStmtClass, Empty) { }
1271 
1272  void setGotoLoc(SourceLocation L) { GotoLoc = L; }
1273  SourceLocation getGotoLoc() const { return GotoLoc; }
1274  void setStarLoc(SourceLocation L) { StarLoc = L; }
1275  SourceLocation getStarLoc() const { return StarLoc; }
1276 
1277  Expr *getTarget() { return reinterpret_cast<Expr*>(Target); }
1278  const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);}
1279  void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); }
1280 
1281  /// getConstantTarget - Returns the fixed target of this indirect
1282  /// goto, if one exists.
1283  LabelDecl *getConstantTarget();
1284  const LabelDecl *getConstantTarget() const {
1285  return const_cast<IndirectGotoStmt*>(this)->getConstantTarget();
1286  }
1287 
1288  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
1289  SourceLocation getLocEnd() const LLVM_READONLY { return Target->getLocEnd(); }
1290 
1291  static bool classof(const Stmt *T) {
1292  return T->getStmtClass() == IndirectGotoStmtClass;
1293  }
1294 
1295  // Iterators
1296  child_range children() { return child_range(&Target, &Target+1); }
1297 };
1298 
1299 
1300 /// ContinueStmt - This represents a continue.
1301 ///
1302 class ContinueStmt : public Stmt {
1303  SourceLocation ContinueLoc;
1304 public:
1305  ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {}
1306 
1307  /// \brief Build an empty continue statement.
1308  explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { }
1309 
1310  SourceLocation getContinueLoc() const { return ContinueLoc; }
1311  void setContinueLoc(SourceLocation L) { ContinueLoc = L; }
1312 
1313  SourceLocation getLocStart() const LLVM_READONLY { return ContinueLoc; }
1314  SourceLocation getLocEnd() const LLVM_READONLY { return ContinueLoc; }
1315 
1316  static bool classof(const Stmt *T) {
1317  return T->getStmtClass() == ContinueStmtClass;
1318  }
1319 
1320  // Iterators
1321  child_range children() {
1322  return child_range(child_iterator(), child_iterator());
1323  }
1324 };
1325 
1326 /// BreakStmt - This represents a break.
1327 ///
1328 class BreakStmt : public Stmt {
1329  SourceLocation BreakLoc;
1330 
1331 public:
1332  BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {
1333  static_assert(sizeof(BreakStmt) == 2 * sizeof(SourceLocation),
1334  "BreakStmt too large");
1335  }
1336 
1337  /// \brief Build an empty break statement.
1338  explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { }
1339 
1340  SourceLocation getBreakLoc() const { return BreakLoc; }
1341  void setBreakLoc(SourceLocation L) { BreakLoc = L; }
1342 
1343  SourceLocation getLocStart() const LLVM_READONLY { return BreakLoc; }
1344  SourceLocation getLocEnd() const LLVM_READONLY { return BreakLoc; }
1345 
1346  static bool classof(const Stmt *T) {
1347  return T->getStmtClass() == BreakStmtClass;
1348  }
1349 
1350  // Iterators
1351  child_range children() {
1352  return child_range(child_iterator(), child_iterator());
1353  }
1354 };
1355 
1356 
1357 /// ReturnStmt - This represents a return, optionally of an expression:
1358 /// return;
1359 /// return 4;
1360 ///
1361 /// Note that GCC allows return with no argument in a function declared to
1362 /// return a value, and it allows returning a value in functions declared to
1363 /// return void. We explicitly model this in the AST, which means you can't
1364 /// depend on the return type of the function and the presence of an argument.
1365 ///
1366 class ReturnStmt : public Stmt {
1367  SourceLocation RetLoc;
1368  Stmt *RetExpr;
1369  const VarDecl *NRVOCandidate;
1370 
1371 public:
1372  explicit ReturnStmt(SourceLocation RL) : ReturnStmt(RL, nullptr, nullptr) {}
1373 
1374  ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate)
1375  : Stmt(ReturnStmtClass), RetLoc(RL), RetExpr((Stmt *)E),
1376  NRVOCandidate(NRVOCandidate) {}
1377 
1378  /// \brief Build an empty return expression.
1379  explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { }
1380 
1381  const Expr *getRetValue() const;
1382  Expr *getRetValue();
1383  void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); }
1384 
1385  SourceLocation getReturnLoc() const { return RetLoc; }
1386  void setReturnLoc(SourceLocation L) { RetLoc = L; }
1387 
1388  /// \brief Retrieve the variable that might be used for the named return
1389  /// value optimization.
1390  ///
1391  /// The optimization itself can only be performed if the variable is
1392  /// also marked as an NRVO object.
1393  const VarDecl *getNRVOCandidate() const { return NRVOCandidate; }
1394  void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; }
1395 
1396  SourceLocation getLocStart() const LLVM_READONLY { return RetLoc; }
1397  SourceLocation getLocEnd() const LLVM_READONLY {
1398  return RetExpr ? RetExpr->getLocEnd() : RetLoc;
1399  }
1400 
1401  static bool classof(const Stmt *T) {
1402  return T->getStmtClass() == ReturnStmtClass;
1403  }
1404 
1405  // Iterators
1406  child_range children() {
1407  if (RetExpr) return child_range(&RetExpr, &RetExpr+1);
1408  return child_range(child_iterator(), child_iterator());
1409  }
1410 };
1411 
1412 /// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt.
1413 ///
1414 class AsmStmt : public Stmt {
1415 protected:
1417  /// \brief True if the assembly statement does not have any input or output
1418  /// operands.
1419  bool IsSimple;
1420 
1421  /// \brief If true, treat this inline assembly as having side effects.
1422  /// This assembly statement should not be optimized, deleted or moved.
1424 
1425  unsigned NumOutputs;
1426  unsigned NumInputs;
1427  unsigned NumClobbers;
1428 
1430 
1431  AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile,
1432  unsigned numoutputs, unsigned numinputs, unsigned numclobbers) :
1433  Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile),
1434  NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { }
1435 
1436  friend class ASTStmtReader;
1437 
1438 public:
1439  /// \brief Build an empty inline-assembly statement.
1440  explicit AsmStmt(StmtClass SC, EmptyShell Empty) :
1441  Stmt(SC, Empty), Exprs(nullptr) { }
1442 
1443  SourceLocation getAsmLoc() const { return AsmLoc; }
1444  void setAsmLoc(SourceLocation L) { AsmLoc = L; }
1445 
1446  bool isSimple() const { return IsSimple; }
1447  void setSimple(bool V) { IsSimple = V; }
1448 
1449  bool isVolatile() const { return IsVolatile; }
1450  void setVolatile(bool V) { IsVolatile = V; }
1451 
1452  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
1453  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
1454 
1455  //===--- Asm String Analysis ---===//
1456 
1457  /// Assemble final IR asm string.
1458  std::string generateAsmString(const ASTContext &C) const;
1459 
1460  //===--- Output operands ---===//
1461 
1462  unsigned getNumOutputs() const { return NumOutputs; }
1463 
1464  /// getOutputConstraint - Return the constraint string for the specified
1465  /// output operand. All output constraints are known to be non-empty (either
1466  /// '=' or '+').
1467  StringRef getOutputConstraint(unsigned i) const;
1468 
1469  /// isOutputPlusConstraint - Return true if the specified output constraint
1470  /// is a "+" constraint (which is both an input and an output) or false if it
1471  /// is an "=" constraint (just an output).
1472  bool isOutputPlusConstraint(unsigned i) const {
1473  return getOutputConstraint(i)[0] == '+';
1474  }
1475 
1476  const Expr *getOutputExpr(unsigned i) const;
1477 
1478  /// getNumPlusOperands - Return the number of output operands that have a "+"
1479  /// constraint.
1480  unsigned getNumPlusOperands() const;
1481 
1482  //===--- Input operands ---===//
1483 
1484  unsigned getNumInputs() const { return NumInputs; }
1485 
1486  /// getInputConstraint - Return the specified input constraint. Unlike output
1487  /// constraints, these can be empty.
1488  StringRef getInputConstraint(unsigned i) const;
1489 
1490  const Expr *getInputExpr(unsigned i) const;
1491 
1492  //===--- Other ---===//
1493 
1494  unsigned getNumClobbers() const { return NumClobbers; }
1495  StringRef getClobber(unsigned i) const;
1496 
1497  static bool classof(const Stmt *T) {
1498  return T->getStmtClass() == GCCAsmStmtClass ||
1499  T->getStmtClass() == MSAsmStmtClass;
1500  }
1501 
1502  // Input expr iterators.
1503 
1504  typedef ExprIterator inputs_iterator;
1505  typedef ConstExprIterator const_inputs_iterator;
1506  typedef llvm::iterator_range<inputs_iterator> inputs_range;
1507  typedef llvm::iterator_range<const_inputs_iterator> inputs_const_range;
1508 
1510  return &Exprs[0] + NumOutputs;
1511  }
1512 
1514  return &Exprs[0] + NumOutputs + NumInputs;
1515  }
1516 
1517  inputs_range inputs() { return inputs_range(begin_inputs(), end_inputs()); }
1518 
1520  return &Exprs[0] + NumOutputs;
1521  }
1522 
1524  return &Exprs[0] + NumOutputs + NumInputs;
1525  }
1526 
1528  return inputs_const_range(begin_inputs(), end_inputs());
1529  }
1530 
1531  // Output expr iterators.
1532 
1533  typedef ExprIterator outputs_iterator;
1534  typedef ConstExprIterator const_outputs_iterator;
1535  typedef llvm::iterator_range<outputs_iterator> outputs_range;
1536  typedef llvm::iterator_range<const_outputs_iterator> outputs_const_range;
1537 
1539  return &Exprs[0];
1540  }
1542  return &Exprs[0] + NumOutputs;
1543  }
1545  return outputs_range(begin_outputs(), end_outputs());
1546  }
1547 
1549  return &Exprs[0];
1550  }
1552  return &Exprs[0] + NumOutputs;
1553  }
1555  return outputs_const_range(begin_outputs(), end_outputs());
1556  }
1557 
1558  child_range children() {
1559  return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs);
1560  }
1561 };
1562 
1563 /// This represents a GCC inline-assembly statement extension.
1564 ///
1565 class GCCAsmStmt : public AsmStmt {
1566  SourceLocation RParenLoc;
1567  StringLiteral *AsmStr;
1568 
1569  // FIXME: If we wanted to, we could allocate all of these in one big array.
1570  StringLiteral **Constraints;
1571  StringLiteral **Clobbers;
1573 
1574  friend class ASTStmtReader;
1575 
1576 public:
1577  GCCAsmStmt(const ASTContext &C, SourceLocation asmloc, bool issimple,
1578  bool isvolatile, unsigned numoutputs, unsigned numinputs,
1579  IdentifierInfo **names, StringLiteral **constraints, Expr **exprs,
1580  StringLiteral *asmstr, unsigned numclobbers,
1581  StringLiteral **clobbers, SourceLocation rparenloc);
1582 
1583  /// \brief Build an empty inline-assembly statement.
1584  explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty),
1585  Constraints(nullptr), Clobbers(nullptr), Names(nullptr) { }
1586 
1587  SourceLocation getRParenLoc() const { return RParenLoc; }
1588  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1589 
1590  //===--- Asm String Analysis ---===//
1591 
1592  const StringLiteral *getAsmString() const { return AsmStr; }
1593  StringLiteral *getAsmString() { return AsmStr; }
1594  void setAsmString(StringLiteral *E) { AsmStr = E; }
1595 
1596  /// AsmStringPiece - this is part of a decomposed asm string specification
1597  /// (for use with the AnalyzeAsmString function below). An asm string is
1598  /// considered to be a concatenation of these parts.
1600  public:
1601  enum Kind {
1602  String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%".
1603  Operand // Operand reference, with optional modifier %c4.
1604  };
1605  private:
1606  Kind MyKind;
1607  std::string Str;
1608  unsigned OperandNo;
1609 
1610  // Source range for operand references.
1611  CharSourceRange Range;
1612  public:
1613  AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {}
1614  AsmStringPiece(unsigned OpNo, const std::string &S, SourceLocation Begin,
1616  : MyKind(Operand), Str(S), OperandNo(OpNo),
1617  Range(CharSourceRange::getCharRange(Begin, End)) {
1618  }
1619 
1620  bool isString() const { return MyKind == String; }
1621  bool isOperand() const { return MyKind == Operand; }
1622 
1623  const std::string &getString() const {
1624  return Str;
1625  }
1626 
1627  unsigned getOperandNo() const {
1628  assert(isOperand());
1629  return OperandNo;
1630  }
1631 
1633  assert(isOperand() && "Range is currently used only for Operands.");
1634  return Range;
1635  }
1636 
1637  /// getModifier - Get the modifier for this operand, if present. This
1638  /// returns '\0' if there was no modifier.
1639  char getModifier() const;
1640  };
1641 
1642  /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing
1643  /// it into pieces. If the asm string is erroneous, emit errors and return
1644  /// true, otherwise return false. This handles canonicalization and
1645  /// translation of strings from GCC syntax to LLVM IR syntax, and handles
1646  //// flattening of named references like %[foo] to Operand AsmStringPiece's.
1647  unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces,
1648  const ASTContext &C, unsigned &DiagOffs) const;
1649 
1650  /// Assemble final IR asm string.
1651  std::string generateAsmString(const ASTContext &C) const;
1652 
1653  //===--- Output operands ---===//
1654 
1656  return Names[i];
1657  }
1658 
1659  StringRef getOutputName(unsigned i) const {
1660  if (IdentifierInfo *II = getOutputIdentifier(i))
1661  return II->getName();
1662 
1663  return StringRef();
1664  }
1665 
1666  StringRef getOutputConstraint(unsigned i) const;
1667 
1668  const StringLiteral *getOutputConstraintLiteral(unsigned i) const {
1669  return Constraints[i];
1670  }
1672  return Constraints[i];
1673  }
1674 
1675  Expr *getOutputExpr(unsigned i);
1676 
1677  const Expr *getOutputExpr(unsigned i) const {
1678  return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i);
1679  }
1680 
1681  //===--- Input operands ---===//
1682 
1683  IdentifierInfo *getInputIdentifier(unsigned i) const {
1684  return Names[i + NumOutputs];
1685  }
1686 
1687  StringRef getInputName(unsigned i) const {
1688  if (IdentifierInfo *II = getInputIdentifier(i))
1689  return II->getName();
1690 
1691  return StringRef();
1692  }
1693 
1694  StringRef getInputConstraint(unsigned i) const;
1695 
1696  const StringLiteral *getInputConstraintLiteral(unsigned i) const {
1697  return Constraints[i + NumOutputs];
1698  }
1700  return Constraints[i + NumOutputs];
1701  }
1702 
1703  Expr *getInputExpr(unsigned i);
1704  void setInputExpr(unsigned i, Expr *E);
1705 
1706  const Expr *getInputExpr(unsigned i) const {
1707  return const_cast<GCCAsmStmt*>(this)->getInputExpr(i);
1708  }
1709 
1710 private:
1711  void setOutputsAndInputsAndClobbers(const ASTContext &C,
1713  StringLiteral **Constraints,
1714  Stmt **Exprs,
1715  unsigned NumOutputs,
1716  unsigned NumInputs,
1717  StringLiteral **Clobbers,
1718  unsigned NumClobbers);
1719 public:
1720 
1721  //===--- Other ---===//
1722 
1723  /// getNamedOperand - Given a symbolic operand reference like %[foo],
1724  /// translate this into a numeric value needed to reference the same operand.
1725  /// This returns -1 if the operand name is invalid.
1726  int getNamedOperand(StringRef SymbolicName) const;
1727 
1728  StringRef getClobber(unsigned i) const;
1729  StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; }
1730  const StringLiteral *getClobberStringLiteral(unsigned i) const {
1731  return Clobbers[i];
1732  }
1733 
1734  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
1735  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
1736 
1737  static bool classof(const Stmt *T) {
1738  return T->getStmtClass() == GCCAsmStmtClass;
1739  }
1740 };
1741 
1742 /// This represents a Microsoft inline-assembly statement extension.
1743 ///
1744 class MSAsmStmt : public AsmStmt {
1745  SourceLocation LBraceLoc, EndLoc;
1746  StringRef AsmStr;
1747 
1748  unsigned NumAsmToks;
1749 
1750  Token *AsmToks;
1751  StringRef *Constraints;
1752  StringRef *Clobbers;
1753 
1754  friend class ASTStmtReader;
1755 
1756 public:
1757  MSAsmStmt(const ASTContext &C, SourceLocation asmloc,
1758  SourceLocation lbraceloc, bool issimple, bool isvolatile,
1759  ArrayRef<Token> asmtoks, unsigned numoutputs, unsigned numinputs,
1760  ArrayRef<StringRef> constraints,
1761  ArrayRef<Expr*> exprs, StringRef asmstr,
1762  ArrayRef<StringRef> clobbers, SourceLocation endloc);
1763 
1764  /// \brief Build an empty MS-style inline-assembly statement.
1765  explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty),
1766  NumAsmToks(0), AsmToks(nullptr), Constraints(nullptr), Clobbers(nullptr) { }
1767 
1768  SourceLocation getLBraceLoc() const { return LBraceLoc; }
1769  void setLBraceLoc(SourceLocation L) { LBraceLoc = L; }
1770  SourceLocation getEndLoc() const { return EndLoc; }
1771  void setEndLoc(SourceLocation L) { EndLoc = L; }
1772 
1773  bool hasBraces() const { return LBraceLoc.isValid(); }
1774 
1775  unsigned getNumAsmToks() { return NumAsmToks; }
1776  Token *getAsmToks() { return AsmToks; }
1777 
1778  //===--- Asm String Analysis ---===//
1779  StringRef getAsmString() const { return AsmStr; }
1780 
1781  /// Assemble final IR asm string.
1782  std::string generateAsmString(const ASTContext &C) const;
1783 
1784  //===--- Output operands ---===//
1785 
1786  StringRef getOutputConstraint(unsigned i) const {
1787  assert(i < NumOutputs);
1788  return Constraints[i];
1789  }
1790 
1791  Expr *getOutputExpr(unsigned i);
1792 
1793  const Expr *getOutputExpr(unsigned i) const {
1794  return const_cast<MSAsmStmt*>(this)->getOutputExpr(i);
1795  }
1796 
1797  //===--- Input operands ---===//
1798 
1799  StringRef getInputConstraint(unsigned i) const {
1800  assert(i < NumInputs);
1801  return Constraints[i + NumOutputs];
1802  }
1803 
1804  Expr *getInputExpr(unsigned i);
1805  void setInputExpr(unsigned i, Expr *E);
1806 
1807  const Expr *getInputExpr(unsigned i) const {
1808  return const_cast<MSAsmStmt*>(this)->getInputExpr(i);
1809  }
1810 
1811  //===--- Other ---===//
1812 
1814  return llvm::makeArrayRef(Constraints, NumInputs + NumOutputs);
1815  }
1817  return llvm::makeArrayRef(Clobbers, NumClobbers);
1818  }
1820  return llvm::makeArrayRef(reinterpret_cast<Expr**>(Exprs),
1821  NumInputs + NumOutputs);
1822  }
1823 
1824  StringRef getClobber(unsigned i) const { return getClobbers()[i]; }
1825 
1826 private:
1827  void initialize(const ASTContext &C, StringRef AsmString,
1828  ArrayRef<Token> AsmToks, ArrayRef<StringRef> Constraints,
1829  ArrayRef<Expr*> Exprs, ArrayRef<StringRef> Clobbers);
1830 public:
1831 
1832  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
1833  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
1834 
1835  static bool classof(const Stmt *T) {
1836  return T->getStmtClass() == MSAsmStmtClass;
1837  }
1838 
1839  child_range children() {
1840  return child_range(&Exprs[0], &Exprs[NumInputs + NumOutputs]);
1841  }
1842 };
1843 
1844 class SEHExceptStmt : public Stmt {
1845  SourceLocation Loc;
1846  Stmt *Children[2];
1847 
1848  enum { FILTER_EXPR, BLOCK };
1849 
1851  Expr *FilterExpr,
1852  Stmt *Block);
1853 
1854  friend class ASTReader;
1855  friend class ASTStmtReader;
1856  explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { }
1857 
1858 public:
1859  static SEHExceptStmt* Create(const ASTContext &C,
1860  SourceLocation ExceptLoc,
1861  Expr *FilterExpr,
1862  Stmt *Block);
1863 
1864  SourceLocation getLocStart() const LLVM_READONLY { return getExceptLoc(); }
1865  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1866 
1867  SourceLocation getExceptLoc() const { return Loc; }
1868  SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); }
1869 
1870  Expr *getFilterExpr() const {
1871  return reinterpret_cast<Expr*>(Children[FILTER_EXPR]);
1872  }
1873 
1875  return cast<CompoundStmt>(Children[BLOCK]);
1876  }
1877 
1878  child_range children() {
1879  return child_range(Children,Children+2);
1880  }
1881 
1882  static bool classof(const Stmt *T) {
1883  return T->getStmtClass() == SEHExceptStmtClass;
1884  }
1885 
1886 };
1887 
1888 class SEHFinallyStmt : public Stmt {
1889  SourceLocation Loc;
1890  Stmt *Block;
1891 
1893  Stmt *Block);
1894 
1895  friend class ASTReader;
1896  friend class ASTStmtReader;
1897  explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { }
1898 
1899 public:
1900  static SEHFinallyStmt* Create(const ASTContext &C,
1901  SourceLocation FinallyLoc,
1902  Stmt *Block);
1903 
1904  SourceLocation getLocStart() const LLVM_READONLY { return getFinallyLoc(); }
1905  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1906 
1907  SourceLocation getFinallyLoc() const { return Loc; }
1908  SourceLocation getEndLoc() const { return Block->getLocEnd(); }
1909 
1910  CompoundStmt *getBlock() const { return cast<CompoundStmt>(Block); }
1911 
1912  child_range children() {
1913  return child_range(&Block,&Block+1);
1914  }
1915 
1916  static bool classof(const Stmt *T) {
1917  return T->getStmtClass() == SEHFinallyStmtClass;
1918  }
1919 
1920 };
1921 
1922 class SEHTryStmt : public Stmt {
1923  bool IsCXXTry;
1924  SourceLocation TryLoc;
1925  Stmt *Children[2];
1926 
1927  enum { TRY = 0, HANDLER = 1 };
1928 
1929  SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try'
1930  SourceLocation TryLoc,
1931  Stmt *TryBlock,
1932  Stmt *Handler);
1933 
1934  friend class ASTReader;
1935  friend class ASTStmtReader;
1936  explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { }
1937 
1938 public:
1939  static SEHTryStmt* Create(const ASTContext &C, bool isCXXTry,
1940  SourceLocation TryLoc, Stmt *TryBlock,
1941  Stmt *Handler);
1942 
1943  SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); }
1944  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1945 
1946  SourceLocation getTryLoc() const { return TryLoc; }
1947  SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); }
1948 
1949  bool getIsCXXTry() const { return IsCXXTry; }
1950 
1952  return cast<CompoundStmt>(Children[TRY]);
1953  }
1954 
1955  Stmt *getHandler() const { return Children[HANDLER]; }
1956 
1957  /// Returns 0 if not defined
1958  SEHExceptStmt *getExceptHandler() const;
1959  SEHFinallyStmt *getFinallyHandler() const;
1960 
1961  child_range children() {
1962  return child_range(Children,Children+2);
1963  }
1964 
1965  static bool classof(const Stmt *T) {
1966  return T->getStmtClass() == SEHTryStmtClass;
1967  }
1968 };
1969 
1970 /// Represents a __leave statement.
1971 ///
1972 class SEHLeaveStmt : public Stmt {
1973  SourceLocation LeaveLoc;
1974 public:
1976  : Stmt(SEHLeaveStmtClass), LeaveLoc(LL) {}
1977 
1978  /// \brief Build an empty __leave statement.
1979  explicit SEHLeaveStmt(EmptyShell Empty) : Stmt(SEHLeaveStmtClass, Empty) { }
1980 
1981  SourceLocation getLeaveLoc() const { return LeaveLoc; }
1982  void setLeaveLoc(SourceLocation L) { LeaveLoc = L; }
1983 
1984  SourceLocation getLocStart() const LLVM_READONLY { return LeaveLoc; }
1985  SourceLocation getLocEnd() const LLVM_READONLY { return LeaveLoc; }
1986 
1987  static bool classof(const Stmt *T) {
1988  return T->getStmtClass() == SEHLeaveStmtClass;
1989  }
1990 
1991  // Iterators
1992  child_range children() {
1993  return child_range(child_iterator(), child_iterator());
1994  }
1995 };
1996 
1997 /// \brief This captures a statement into a function. For example, the following
1998 /// pragma annotated compound statement can be represented as a CapturedStmt,
1999 /// and this compound statement is the body of an anonymous outlined function.
2000 /// @code
2001 /// #pragma omp parallel
2002 /// {
2003 /// compute();
2004 /// }
2005 /// @endcode
2006 class CapturedStmt : public Stmt {
2007 public:
2008  /// \brief The different capture forms: by 'this', by reference, capture for
2009  /// variable-length array type etc.
2015  };
2016 
2017  /// \brief Describes the capture of either a variable, or 'this', or
2018  /// variable-length array type.
2019  class Capture {
2020  llvm::PointerIntPair<VarDecl *, 2, VariableCaptureKind> VarAndKind;
2021  SourceLocation Loc;
2022 
2023  public:
2024  /// \brief Create a new capture.
2025  ///
2026  /// \param Loc The source location associated with this capture.
2027  ///
2028  /// \param Kind The kind of capture (this, ByRef, ...).
2029  ///
2030  /// \param Var The variable being captured, or null if capturing this.
2031  ///
2033  VarDecl *Var = nullptr);
2034 
2035  /// \brief Determine the kind of capture.
2036  VariableCaptureKind getCaptureKind() const;
2037 
2038  /// \brief Retrieve the source location at which the variable or 'this' was
2039  /// first used.
2040  SourceLocation getLocation() const { return Loc; }
2041 
2042  /// \brief Determine whether this capture handles the C++ 'this' pointer.
2043  bool capturesThis() const { return getCaptureKind() == VCK_This; }
2044 
2045  /// \brief Determine whether this capture handles a variable (by reference).
2046  bool capturesVariable() const { return getCaptureKind() == VCK_ByRef; }
2047 
2048  /// \brief Determine whether this capture handles a variable by copy.
2049  bool capturesVariableByCopy() const {
2050  return getCaptureKind() == VCK_ByCopy;
2051  }
2052 
2053  /// \brief Determine whether this capture handles a variable-length array
2054  /// type.
2056  return getCaptureKind() == VCK_VLAType;
2057  }
2058 
2059  /// \brief Retrieve the declaration of the variable being captured.
2060  ///
2061  /// This operation is only valid if this capture captures a variable.
2062  VarDecl *getCapturedVar() const;
2063 
2064  friend class ASTStmtReader;
2065  };
2066 
2067 private:
2068  /// \brief The number of variable captured, including 'this'.
2069  unsigned NumCaptures;
2070 
2071  /// \brief The pointer part is the implicit the outlined function and the
2072  /// int part is the captured region kind, 'CR_Default' etc.
2073  llvm::PointerIntPair<CapturedDecl *, 1, CapturedRegionKind> CapDeclAndKind;
2074 
2075  /// \brief The record for captured variables, a RecordDecl or CXXRecordDecl.
2076  RecordDecl *TheRecordDecl;
2077 
2078  /// \brief Construct a captured statement.
2080  ArrayRef<Expr *> CaptureInits, CapturedDecl *CD, RecordDecl *RD);
2081 
2082  /// \brief Construct an empty captured statement.
2083  CapturedStmt(EmptyShell Empty, unsigned NumCaptures);
2084 
2085  Stmt **getStoredStmts() { return reinterpret_cast<Stmt **>(this + 1); }
2086 
2087  Stmt *const *getStoredStmts() const {
2088  return reinterpret_cast<Stmt *const *>(this + 1);
2089  }
2090 
2091  Capture *getStoredCaptures() const;
2092 
2093  void setCapturedStmt(Stmt *S) { getStoredStmts()[NumCaptures] = S; }
2094 
2095 public:
2096  static CapturedStmt *Create(const ASTContext &Context, Stmt *S,
2098  ArrayRef<Capture> Captures,
2099  ArrayRef<Expr *> CaptureInits,
2100  CapturedDecl *CD, RecordDecl *RD);
2101 
2102  static CapturedStmt *CreateDeserialized(const ASTContext &Context,
2103  unsigned NumCaptures);
2104 
2105  /// \brief Retrieve the statement being captured.
2106  Stmt *getCapturedStmt() { return getStoredStmts()[NumCaptures]; }
2107  const Stmt *getCapturedStmt() const { return getStoredStmts()[NumCaptures]; }
2108 
2109  /// \brief Retrieve the outlined function declaration.
2110  CapturedDecl *getCapturedDecl();
2111  const CapturedDecl *getCapturedDecl() const;
2112 
2113  /// \brief Set the outlined function declaration.
2114  void setCapturedDecl(CapturedDecl *D);
2115 
2116  /// \brief Retrieve the captured region kind.
2117  CapturedRegionKind getCapturedRegionKind() const;
2118 
2119  /// \brief Set the captured region kind.
2120  void setCapturedRegionKind(CapturedRegionKind Kind);
2121 
2122  /// \brief Retrieve the record declaration for captured variables.
2123  const RecordDecl *getCapturedRecordDecl() const { return TheRecordDecl; }
2124 
2125  /// \brief Set the record declaration for captured variables.
2127  assert(D && "null RecordDecl");
2128  TheRecordDecl = D;
2129  }
2130 
2131  /// \brief True if this variable has been captured.
2132  bool capturesVariable(const VarDecl *Var) const;
2133 
2134  /// \brief An iterator that walks over the captures.
2137  typedef llvm::iterator_range<capture_iterator> capture_range;
2138  typedef llvm::iterator_range<const_capture_iterator> capture_const_range;
2139 
2141  return capture_range(capture_begin(), capture_end());
2142  }
2144  return capture_const_range(capture_begin(), capture_end());
2145  }
2146 
2147  /// \brief Retrieve an iterator pointing to the first capture.
2148  capture_iterator capture_begin() { return getStoredCaptures(); }
2149  const_capture_iterator capture_begin() const { return getStoredCaptures(); }
2150 
2151  /// \brief Retrieve an iterator pointing past the end of the sequence of
2152  /// captures.
2154  return getStoredCaptures() + NumCaptures;
2155  }
2156 
2157  /// \brief Retrieve the number of captures, including 'this'.
2158  unsigned capture_size() const { return NumCaptures; }
2159 
2160  /// \brief Iterator that walks over the capture initialization arguments.
2162  typedef llvm::iterator_range<capture_init_iterator> capture_init_range;
2163 
2164  /// \brief Const iterator that walks over the capture initialization
2165  /// arguments.
2167  typedef llvm::iterator_range<const_capture_init_iterator>
2169 
2171  return capture_init_range(capture_init_begin(), capture_init_end());
2172  }
2173 
2175  return const_capture_init_range(capture_init_begin(), capture_init_end());
2176  }
2177 
2178  /// \brief Retrieve the first initialization argument.
2180  return reinterpret_cast<Expr **>(getStoredStmts());
2181  }
2182 
2184  return reinterpret_cast<Expr *const *>(getStoredStmts());
2185  }
2186 
2187  /// \brief Retrieve the iterator pointing one past the last initialization
2188  /// argument.
2190  return capture_init_begin() + NumCaptures;
2191  }
2192 
2194  return capture_init_begin() + NumCaptures;
2195  }
2196 
2197  SourceLocation getLocStart() const LLVM_READONLY {
2198  return getCapturedStmt()->getLocStart();
2199  }
2200  SourceLocation getLocEnd() const LLVM_READONLY {
2201  return getCapturedStmt()->getLocEnd();
2202  }
2203  SourceRange getSourceRange() const LLVM_READONLY {
2204  return getCapturedStmt()->getSourceRange();
2205  }
2206 
2207  static bool classof(const Stmt *T) {
2208  return T->getStmtClass() == CapturedStmtClass;
2209  }
2210 
2211  child_range children();
2212 
2213  friend class ASTStmtReader;
2214 };
2215 
2216 } // end namespace clang
2217 
2218 #endif
Expr * getInc()
Definition: Stmt.h:1187
ObjCIndirectCopyRestoreExpr - Represents the passing of a function argument by indirect copy-restore ...
Definition: ExprObjC.h:1464
void setThen(Stmt *S)
Definition: Stmt.h:920
GotoStmt(EmptyShell Empty)
Build an empty goto statement.
Definition: Stmt.h:1233
DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, SourceLocation RP)
Definition: Stmt.h:1110
static bool classof(const Stmt *T)
Definition: Stmt.h:950
const SwitchCase * getNextSwitchCase() const
Definition: Stmt.h:664
child_range children()
Definition: Stmt.h:1035
This represents a GCC inline-assembly statement extension.
Definition: Stmt.h:1565
Stmt * body_back()
Definition: Stmt.h:585
decl_const_range decls() const
Definition: Stmt.h:492
unsigned getNumOutputs() const
Definition: Stmt.h:1462
body_iterator body_end()
Definition: Stmt.h:583
const DeclGroupRef getDeclGroup() const
Definition: Stmt.h:464
capture_init_iterator capture_init_begin()
Retrieve the first initialization argument.
Definition: Stmt.h:2179
const Stmt * getInit() const
Definition: Stmt.h:915
const Stmt * getSubStmt() const
Definition: Stmt.h:761
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1865
DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt)
Definition: Stmt.h:753
void setNRVOCandidate(const VarDecl *Var)
Definition: Stmt.h:1394
bool hasLeadingEmptyMacro() const
Definition: Stmt.h:532
SourceLocation getLParenLoc() const
Definition: Stmt.h:1202
static bool classof(const Stmt *T)
Definition: Stmt.h:1835
SourceLocation getEndLoc() const
Definition: Stmt.h:1947
Expr * getCond()
Definition: Stmt.h:1075
__SIZE_TYPE__ size_t
The unsigned integer type of the result of the sizeof operator.
Definition: opencl-c.h:53
inputs_range inputs()
Definition: Stmt.h:1517
llvm::iterator_range< capture_iterator > capture_range
Definition: Stmt.h:2137
const Stmt * getSubStmt() const
Definition: Stmt.h:866
A type trait used in the implementation of various C++11 and Library TR1 trait templates.
Definition: ExprCXX.h:2272
void setCond(Expr *E)
Definition: Stmt.h:1077
unsigned getNumAsmToks()
Definition: Stmt.h:1775
std::reverse_iterator< body_iterator > reverse_body_iterator
Definition: Stmt.h:607
outputs_iterator end_outputs()
Definition: Stmt.h:1541
IndirectGotoStmt(EmptyShell Empty)
Build an empty indirect goto statement.
Definition: Stmt.h:1269
llvm::iterator_range< outputs_iterator > outputs_range
Definition: Stmt.h:1535
IfStmt - This represents an if/then/else.
Definition: Stmt.h:881
AsmStmt(StmtClass SC, EmptyShell Empty)
Build an empty inline-assembly statement.
Definition: Stmt.h:1440
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:680
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1453
capture_const_range captures() const
Definition: Stmt.h:2143
ContinueStmt(EmptyShell Empty)
Build an empty continue statement.
Definition: Stmt.h:1308
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1588
void setContinueLoc(SourceLocation L)
Definition: Stmt.h:1311
void setDeclGroup(DeclGroupRef DGR)
Definition: Stmt.h:466
DeclGroupRef::iterator decl_iterator
Definition: Stmt.h:486
NullStmt(EmptyShell Empty)
Build an empty null statement.
Definition: Stmt.h:526
Represents an attribute applied to a statement.
Definition: Stmt.h:830
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1343
void setCond(Expr *E)
Definition: Stmt.h:1122
SourceLocation getIfLoc() const
Definition: Stmt.h:928
Represents a call to a C++ constructor.
Definition: ExprCXX.h:1162
unsigned NumOutputs
Definition: Stmt.h:1425
const_capture_init_range capture_inits() const
Definition: Stmt.h:2174
child_range children()
Definition: Stmt.h:1992
void setSwitchCaseList(SwitchCase *SC)
Set the case list for this switch statement.
Definition: Stmt.h:1005
const Stmt * getElse() const
Definition: Stmt.h:921
NullStmt(SourceLocation L, bool hasLeadingEmptyMacro=false)
Definition: Stmt.h:521
void setStartLoc(SourceLocation L)
Definition: Stmt.h:469
void setForLoc(SourceLocation L)
Definition: Stmt.h:1201
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1396
const Stmt * getBody() const
Definition: Stmt.h:1193
SourceLocation getEndLoc() const
Definition: Stmt.h:1770
WhileStmt(EmptyShell Empty)
Build an empty while statement.
Definition: Stmt.h:1056
CompoundStmt * getBlock() const
Definition: Stmt.h:1910
Stmt * getSubStmt()
Definition: Stmt.h:760
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:731
VarDecl - An instance of this class is created to represent a variable declaration or definition...
Definition: Decl.h:768
SourceLocation getReturnLoc() const
Definition: Stmt.h:1385
static bool classof(const Stmt *T)
Definition: Stmt.h:632
StringRef getInputConstraint(unsigned i) const
Definition: Stmt.h:1799
void setInit(Stmt *S)
Definition: Stmt.h:916
void setAsmLoc(SourceLocation L)
Definition: Stmt.h:1444
unsigned size() const
Definition: Stmt.h:576
llvm::iterator_range< capture_init_iterator > capture_init_range
Definition: Stmt.h:2162
SourceLocation getDoLoc() const
Definition: Stmt.h:1127
SourceLocation getRParenLoc() const
Definition: Stmt.h:1587
Stmt * getThen()
Definition: Stmt.h:925
Describes how types, statements, expressions, and declarations should be printed. ...
Definition: PrettyPrinter.h:38
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:534
capture_iterator capture_begin()
Retrieve an iterator pointing to the first capture.
Definition: Stmt.h:2148
static StringRef bytes(const std::vector< T, Allocator > &v)
Definition: ASTWriter.cpp:69
Represents an expression – generally a full-expression – that introduces cleanups to be run at the en...
Definition: ExprCXX.h:2936
const Stmt * getSubStmt() const
Definition: Stmt.h:810
bool body_empty() const
Definition: Stmt.h:575
const Expr * getOutputExpr(unsigned i) const
Definition: Stmt.h:1677
SourceLocation getDefaultLoc() const
Definition: Stmt.h:764
SourceLocation getEllipsisLoc() const
Definition: Stmt.h:709
void setBody(Stmt *S, SourceLocation SL)
Definition: Stmt.h:1010
bool getIsCXXTry() const
Definition: Stmt.h:1949
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1313
void setTarget(Expr *E)
Definition: Stmt.h:1279
static bool classof(const Stmt *T)
Definition: Stmt.h:1965
LabelStmt - Represents a label, which has a substatement.
Definition: Stmt.h:789
bool isOutputPlusConstraint(unsigned i) const
isOutputPlusConstraint - Return true if the specified output constraint is a "+" constraint (which is...
Definition: Stmt.h:1472
RecordDecl - Represents a struct/union/class.
Definition: Decl.h:3253
Represents a C99 designated initializer expression.
Definition: Expr.h:3953
inputs_iterator begin_inputs()
Definition: Stmt.h:1509
One of these records is kept for each identifier that is lexed.
Stmt * getBody()
Definition: Stmt.h:1123
const_decl_iterator decl_begin() const
Definition: Stmt.h:497
unsigned getNumInputs() const
Definition: Stmt.h:1484
ShuffleVectorExpr - clang-specific builtin-in function __builtin_shufflevector.
Definition: Expr.h:3422
SourceLocation ColonLoc
Definition: Stmt.h:654
outputs_const_range outputs() const
Definition: Stmt.h:1554
void setInit(Stmt *S)
Definition: Stmt.h:993
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:92
child_range children()
Definition: Stmt.h:1912
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1864
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1904
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:730
LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt)
Definition: Stmt.h:795
const Expr * getRHS() const
Definition: Stmt.h:721
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1984
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1943
SourceLocation getCaseLoc() const
Definition: Stmt.h:707
Token - This structure provides full information about a lexed token.
Definition: Token.h:35
Stmt * body_front()
Definition: Stmt.h:584
void setReturnLoc(SourceLocation L)
Definition: Stmt.h:1386
MSAsmStmt(EmptyShell Empty)
Build an empty MS-style inline-assembly statement.
Definition: Stmt.h:1765
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1833
clang::CharUnits operator*(clang::CharUnits::QuantityType Scale, const clang::CharUnits &CU)
Definition: CharUnits.h:208
SourceLocation getLBracLoc() const
Definition: Stmt.h:629
SourceLocation getLBraceLoc() const
Definition: Stmt.h:1768
static bool classof(const Stmt *T)
Definition: Stmt.h:1497
ObjCArrayLiteral - used for objective-c array containers; as in: @["Hello", NSApp, [NSNumber numberWithInt:42]];.
Definition: ExprObjC.h:144
child_range children()
Definition: Stmt.h:1839
void setSubStmt(Stmt *S)
Definition: Stmt.h:726
child_range children()
Definition: Stmt.h:1143
SwitchCase(StmtClass SC, SourceLocation KWLoc, SourceLocation ColonLoc)
Definition: Stmt.h:656
Expr * getFilterExpr() const
Definition: Stmt.h:1870
void addSwitchCase(SwitchCase *SC)
Definition: Stmt.h:1014
child_range children()
Definition: Stmt.h:541
child_range children()
Definition: Stmt.h:1961
SourceLocation getWhileLoc() const
Definition: Stmt.h:1082
void setBody(Stmt *S)
Definition: Stmt.h:1001
const VarDecl * getNRVOCandidate() const
Retrieve the variable that might be used for the named return value optimization. ...
Definition: Stmt.h:1393
static bool classof(const Stmt *T)
Definition: Stmt.h:1090
IndirectGotoStmt - This represents an indirect goto.
Definition: Stmt.h:1258
Describes an C or C++ initializer list.
Definition: Expr.h:3746
body_const_range body() const
Definition: Stmt.h:595
OpenMPLinearClauseKind getModifier() const
Return modifier.
SwitchCase(StmtClass SC, EmptyShell)
Definition: Stmt.h:660
IdentifierInfo * getOutputIdentifier(unsigned i) const
Definition: Stmt.h:1655
GCCAsmStmt(EmptyShell Empty)
Build an empty inline-assembly statement.
Definition: Stmt.h:1584
child_range children()
Definition: Stmt.h:871
ForStmt - This represents a 'for (init;cond;inc)' stmt.
Definition: Stmt.h:1153
outputs_iterator begin_outputs()
Definition: Stmt.h:1538
void setCond(Expr *E)
Definition: Stmt.h:999
const_capture_iterator capture_begin() const
Definition: Stmt.h:2149
const_child_range children() const
Definition: Stmt.h:641
const Expr * getCond() const
Definition: Stmt.h:1121
static void dump(llvm::raw_ostream &OS, StringRef FunctionName, ArrayRef< CounterExpression > Expressions, ArrayRef< CounterMappingRegion > Regions)
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:2200
SourceLocation getRParenLoc() const
Definition: Stmt.h:1132
void setEndLoc(SourceLocation L)
Definition: Stmt.h:471
DeclStmt(EmptyShell Empty)
Build an empty declaration statement.
Definition: Stmt.h:453
Stmt * getBody()
Definition: Stmt.h:1188
ArrayRef< StringRef > getClobbers() const
Definition: Stmt.h:1816
ArrayRef< StringRef > getAllConstraints() const
Definition: Stmt.h:1813
const_reverse_body_iterator body_rbegin() const
Definition: Stmt.h:618
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1288
Stmt * getInit()
Definition: Stmt.h:1167
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1344
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1243
child_range children()
Definition: Stmt.h:817
void setAsmString(StringLiteral *E)
Definition: Stmt.h:1594
static bool classof(const Stmt *T)
Definition: Stmt.h:1401
AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, unsigned numoutputs, unsigned numinputs, unsigned numclobbers)
Definition: Stmt.h:1431
const DeclStmt * getConditionVariableDeclStmt() const
If this SwitchStmt has a condition variable, return the faux DeclStmt associated with the creation of...
Definition: Stmt.h:987
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1832
const_outputs_iterator end_outputs() const
Definition: Stmt.h:1551
Expr * getCond()
Definition: Stmt.h:1186
void setLHS(Expr *Val)
Definition: Stmt.h:727
CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit c...
Definition: Expr.h:2632
void setBody(Stmt *S)
Definition: Stmt.h:1080
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1244
StringLiteral * getClobberStringLiteral(unsigned i)
Definition: Stmt.h:1729
const_capture_init_iterator capture_init_begin() const
Definition: Stmt.h:2183
void setCond(Expr *E)
Definition: Stmt.h:1196
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:627
decl_iterator decl_end()
Definition: Stmt.h:496
const RecordDecl * getCapturedRecordDecl() const
Retrieve the record declaration for captured variables.
Definition: Stmt.h:2123
void setEndLoc(SourceLocation L)
Definition: Stmt.h:1771
Represents a C++ member access expression where the actual member referenced could not be resolved be...
Definition: ExprCXX.h:3128
child_range children()
Definition: Stmt.h:637
This represents the body of a CapturedStmt, and serves as its DeclContext.
Definition: Decl.h:3625
detail::InMemoryDirectory::const_iterator I
Stmt * getBody()
Definition: Stmt.h:1000
Stmt * getInit()
Definition: Stmt.h:914
SourceLocation getSwitchLoc() const
Definition: Stmt.h:1007
unsigned NumClobbers
Definition: Stmt.h:1427
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1207
llvm::iterator_range< inputs_iterator > inputs_range
Definition: Stmt.h:1506
StringLiteral * getAsmString()
Definition: Stmt.h:1593
void setColonLoc(SourceLocation L)
Definition: Stmt.h:767
child_range children()
Definition: Stmt.h:745
void setBreakLoc(SourceLocation L)
Definition: Stmt.h:1341
CompoundStmt - This represents a group of statements like { stmt stmt }.
Definition: Stmt.h:551
SourceLocation getAsmLoc() const
Definition: Stmt.h:1443
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1944
Describes the capture of either a variable, or 'this', or variable-length array type.
Definition: Stmt.h:2019
const Stmt * getBody() const
Definition: Stmt.h:1124
StringRef getAsmString() const
Definition: Stmt.h:1779
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:936
Decl * getSingleDecl()
Definition: Stmt.h:462
static bool classof(const Stmt *T)
Definition: Stmt.h:1291
void setSemiLoc(SourceLocation L)
Definition: Stmt.h:530
SourceLocation getEndLoc() const
Definition: Stmt.h:1908
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1452
Stmt * getHandler() const
Definition: Stmt.h:1955
const Stmt * getBody() const
Definition: Stmt.h:1079
child_range children()
Definition: Stmt.h:1558
bool IsVolatile
If true, treat this inline assembly as having side effects.
Definition: Stmt.h:1423
UnaryExprOrTypeTraitExpr - expression with either a type or (unevaluated) expression operand...
Definition: Expr.h:1974
static bool classof(const Stmt *T)
Definition: Stmt.h:1882
static bool classof(const Stmt *T)
Definition: Stmt.h:1212
ASTContext * Context
const SmallVectorImpl< AnnotatedLine * >::const_iterator End
llvm::iterator_range< const_capture_iterator > capture_const_range
Definition: Stmt.h:2138
SourceLocation getColonLoc() const
Definition: Stmt.h:711
void setLeaveLoc(SourceLocation L)
Definition: Stmt.h:1982
const Expr * getTarget() const
Definition: Stmt.h:1278
LabelDecl * getDecl() const
Definition: Stmt.h:806
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1133
friend class ASTContext
Definition: Type.h:4178
IdentifierInfo * getInputIdentifier(unsigned i) const
Definition: Stmt.h:1683
GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL)
Definition: Stmt.h:1229
Expr - This represents one expression.
Definition: Expr.h:105
SourceRange getSourceRange() const LLVM_READONLY
Definition: Stmt.h:2203
const Stmt * getSubStmt() const
Definition: Stmt.h:724
void setWhileLoc(SourceLocation L)
Definition: Stmt.h:1083
Represents a character-granular source range.
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:868
bool hasBraces() const
Definition: Stmt.h:1773
static bool classof(const Stmt *T)
Definition: Stmt.h:1987
void setLParenLoc(SourceLocation L)
Definition: Stmt.h:1203
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1905
AsmStringPiece - this is part of a decomposed asm string specification (for use with the AnalyzeAsmSt...
Definition: Stmt.h:1599
const Expr * getInputExpr(unsigned i) const
Definition: Stmt.h:1706
SourceLocation getGotoLoc() const
Definition: Stmt.h:1238
void setInc(Expr *E)
Definition: Stmt.h:1197
Stmt * getBody()
Definition: Stmt.h:1078
SourceLocation KeywordLoc
Definition: Stmt.h:653
void setRetValue(Expr *E)
Definition: Stmt.h:1383
void setBody(Stmt *S)
Definition: Stmt.h:1198
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
Definition: ExprObjC.h:257
Expr * getRHS()
Definition: Stmt.h:715
void setColonLoc(SourceLocation L)
Definition: Stmt.h:712
ExprIterator outputs_iterator
Definition: Stmt.h:1533
Expr ** capture_init_iterator
Iterator that walks over the capture initialization arguments.
Definition: Stmt.h:2161
FormatToken * Token
child_range children()
Definition: Stmt.h:946
SwitchCase * NextSwitchCase
Definition: Stmt.h:652
static bool classof(const Stmt *T)
Definition: Stmt.h:537
SourceLocation getEndLoc() const
Definition: Stmt.h:470
bool capturesVariableArrayType() const
Determine whether this capture handles a variable-length array type.
Definition: Stmt.h:2055
const SwitchCase * getSwitchCaseList() const
Definition: Stmt.h:996
Defines the clang::IdentifierInfo, clang::IdentifierTable, and clang::Selector interfaces.
StringRef getInputName(unsigned i) const
Definition: Stmt.h:1687
capture_init_range capture_inits()
Definition: Stmt.h:2170
SourceLocation getLabelLoc() const
Definition: Stmt.h:1240
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1985
llvm::iterator_range< decl_iterator > decl_range
Definition: Stmt.h:488
static OMPLinearClause * CreateEmpty(const ASTContext &C, unsigned NumVars)
Creates an empty clause with the place for NumVars variables.
AsmStringPiece(const std::string &S)
Definition: Stmt.h:1613
ForStmt(EmptyShell Empty)
Build an empty for statement.
Definition: Stmt.h:1165
StringLiteral * getOutputConstraintLiteral(unsigned i)
Definition: Stmt.h:1671
child_range children()
Definition: Stmt.h:1296
ReturnStmt - This represents a return, optionally of an expression: return; return 4;...
Definition: Stmt.h:1366
SourceLocation getLocation() const
Retrieve the source location at which the variable or 'this' was first used.
Definition: Stmt.h:2040
An expression that sends a message to the given Objective-C object or class.
Definition: ExprObjC.h:860
This represents a Microsoft inline-assembly statement extension.
Definition: Stmt.h:1744
void setColonLoc(SourceLocation L)
Definition: Stmt.h:673
SwitchCase * getSwitchCaseList()
Definition: Stmt.h:1002
const DeclStmt * getConditionVariableDeclStmt() const
If this ForStmt has a condition variable, return the faux DeclStmt associated with the creation of th...
Definition: Stmt.h:1182
const DeclStmt * getConditionVariableDeclStmt() const
If this IfStmt has a condition variable, return the faux DeclStmt associated with the creation of tha...
Definition: Stmt.h:910
child_range children()
Definition: Stmt.h:777
child_range children()
Definition: Stmt.h:1321
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1029
class LLVM_ALIGNAS(8) TemplateSpecializationType unsigned NumArgs
Represents a type template specialization; the template must be a class template, a type alias templa...
Definition: Type.h:4154
const Expr * getLHS() const
Definition: Stmt.h:718
Expr * getCond()
Definition: Stmt.h:924
std::reverse_iterator< const_body_iterator > const_reverse_body_iterator
Definition: Stmt.h:616
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:474
static bool classof(const Stmt *T)
Definition: Stmt.h:1246
const LabelDecl * getConstantTarget() const
Definition: Stmt.h:1284
SourceLocation getSemiLoc() const
Definition: Stmt.h:529
const SourceManager & SM
Definition: Format.cpp:1184
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1136
llvm::iterator_range< const_body_iterator > body_const_range
Definition: Stmt.h:593
DoStmt - This represents a 'do/while' stmt.
Definition: Stmt.h:1102
AsmStmt is the base class for GCCAsmStmt and MSAsmStmt.
Definition: Stmt.h:1414
child_range children()
Definition: Stmt.h:1351
LabelDecl * getLabel() const
Definition: Stmt.h:1235
const_outputs_iterator begin_outputs() const
Definition: Stmt.h:1548
ExprIterator inputs_iterator
Definition: Stmt.h:1504
ArrayRef< Expr * > getAllExprs() const
Definition: Stmt.h:1819
OpaqueValueExpr - An expression referring to an opaque object of a fixed type and value class...
Definition: Expr.h:848
SourceLocation getGotoLoc() const
Definition: Stmt.h:1273
void setDecl(LabelDecl *D)
Definition: Stmt.h:807
const StringLiteral * getAsmString() const
Definition: Stmt.h:1592
#define false
Definition: stdbool.h:33
static bool classof(const Stmt *T)
Definition: Stmt.h:2207
Kind
void setElse(Stmt *S)
Definition: Stmt.h:922
A reference to an overloaded function set, either an UnresolvedLookupExpr or an UnresolvedMemberExpr...
Definition: ExprCXX.h:2483
This captures a statement into a function.
Definition: Stmt.h:2006
Token * getAsmToks()
Definition: Stmt.h:1776
PseudoObjectExpr - An expression which accesses a pseudo-object l-value.
Definition: Expr.h:4679
void setSubStmt(Stmt *S)
Definition: Stmt.h:762
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:780
void setGotoLoc(SourceLocation L)
Definition: Stmt.h:1272
CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, SourceLocation ellipsisLoc, SourceLocation colonLoc)
Definition: Stmt.h:695
Encodes a location in the source.
bool isConstexpr() const
Definition: Stmt.h:933
SourceLocation getLeaveLoc() const
Definition: Stmt.h:1981
body_range body()
Definition: Stmt.h:581
SEHLeaveStmt(EmptyShell Empty)
Build an empty __leave statement.
Definition: Stmt.h:1979
void setDoLoc(SourceLocation L)
Definition: Stmt.h:1128
const Expr * getOutputExpr(unsigned i) const
Definition: Stmt.h:1793
child_range children()
Definition: Stmt.h:1878
Represents a new-expression for memory allocation and constructor calls, e.g: "new CXXNewExpr(foo)"...
Definition: ExprCXX.h:1804
bool isSingleDecl() const
isSingleDecl - This method returns true if this DeclStmt refers to a single Decl. ...
Definition: Stmt.h:457
Expr * getLHS()
Definition: Stmt.h:714
void setLastStmt(Stmt *S)
Definition: Stmt.h:587
const std::string ID
llvm::iterator_range< const_capture_init_iterator > const_capture_init_range
Definition: Stmt.h:2168
void setConstexpr(bool C)
Definition: Stmt.h:934
SourceLocation getKeywordLoc() const
Definition: Stmt.h:670
static OMPLinearClause * Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc, OpenMPLinearClauseKind Modifier, SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, ArrayRef< Expr * > VL, ArrayRef< Expr * > PL, ArrayRef< Expr * > IL, Expr *Step, Expr *CalcStep, Stmt *PreInit, Expr *PostUpdate)
Creates clause with a list of variables VL and a linear step Step.
const Stmt * getInit() const
Definition: Stmt.h:1190
void setIdentLoc(SourceLocation L)
Definition: Stmt.h:811
Stmt * getElse()
Definition: Stmt.h:926
bool capturesVariableByCopy() const
Determine whether this capture handles a variable by copy.
Definition: Stmt.h:2049
DeclStmt - Adaptor class for mixing declarations with statements and expressions. ...
Definition: Stmt.h:443
LabelDecl - Represents the declaration of a label.
Definition: Decl.h:424
CompoundStmt * getBlock() const
Definition: Stmt.h:1874
const Expr * getCond() const
Definition: Stmt.h:994
llvm::iterator_range< body_iterator > body_range
Definition: Stmt.h:579
reverse_body_iterator body_rend()
Definition: Stmt.h:611
const_decl_iterator decl_end() const
Definition: Stmt.h:498
SourceLocation getIdentLoc() const
Definition: Stmt.h:805
CaseStmt(EmptyShell Empty)
Build an empty switch case statement.
Definition: Stmt.h:705
SourceLocation getTryLoc() const
Definition: Stmt.h:1946
Expr * getCond()
Definition: Stmt.h:998
void setAllEnumCasesCovered()
Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a switch over an enum value then ...
Definition: Stmt.h:1023
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:626
CompoundStmt(SourceLocation Loc)
Definition: Stmt.h:562
const Expr * getCond() const
Definition: Stmt.h:1076
void setCond(Expr *E)
Definition: Stmt.h:918
bool capturesVariable() const
Determine whether this capture handles a variable (by reference).
Definition: Stmt.h:2046
static bool classof(const Stmt *T)
Definition: Stmt.h:1346
ConstExprIterator const_outputs_iterator
Definition: Stmt.h:1534
void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx)
Definition: Type.h:4262
SourceLocation getEndLoc() const
Definition: Stmt.h:1868
AtomicExpr - Variadic atomic builtins: __atomic_exchange, __atomic_fetch_*, __atomic_load, __atomic_store, and __atomic_compare_exchange_*, for the similarly-named C++11 instructions, and __c11 variants for <stdatomic.h>.
Definition: Expr.h:4804
decl_iterator decl_begin()
Definition: Stmt.h:495
SourceLocation getContinueLoc() const
Definition: Stmt.h:1310
reverse_decl_iterator decl_rbegin()
Definition: Stmt.h:501
SEHLeaveStmt(SourceLocation LL)
Definition: Stmt.h:1975
CharSourceRange getRange() const
Definition: Stmt.h:1632
capture_iterator capture_end() const
Retrieve an iterator pointing past the end of the sequence of captures.
Definition: Stmt.h:2153
Stmt * getCapturedStmt()
Retrieve the statement being captured.
Definition: Stmt.h:2106
const_reverse_body_iterator body_rend() const
Definition: Stmt.h:622
void setCaseLoc(SourceLocation L)
Definition: Stmt.h:708
bool isAllEnumCasesCovered() const
Returns true if the SwitchStmt is a switch of an enum value and all cases have been explicitly covere...
Definition: Stmt.h:1027
StringRef getOutputName(unsigned i) const
Definition: Stmt.h:1659
const_body_iterator body_begin() const
Definition: Stmt.h:598
StringRef getOutputConstraint(unsigned i) const
Definition: Stmt.h:1786
LabelStmt(EmptyShell Empty)
Definition: Stmt.h:803
StringRef getClobber(unsigned i) const
Definition: Stmt.h:1824
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1397
void setCapturedRecordDecl(RecordDecl *D)
Set the record declaration for captured variables.
Definition: Stmt.h:2126
const Decl * getSingleDecl() const
Definition: Stmt.h:461
void setSimple(bool V)
Definition: Stmt.h:1447
A qualified reference to a name whose declaration cannot yet be resolved.
Definition: ExprCXX.h:2791
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1734
const Expr * getInputExpr(unsigned i) const
Definition: Stmt.h:1807
const_body_iterator body_end() const
Definition: Stmt.h:599
IfStmt(EmptyShell Empty)
Build an empty if/then/else statement.
Definition: Stmt.h:895
void setGotoLoc(SourceLocation L)
Definition: Stmt.h:1239
NullStmt - This is the null statement ";": C99 6.8.3p3.
Definition: Stmt.h:511
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:473
Stmt ** body_iterator
Definition: Stmt.h:578
llvm::iterator_range< const_outputs_iterator > outputs_const_range
Definition: Stmt.h:1536
child_range children()
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:937
unsigned capture_size() const
Retrieve the number of captures, including 'this'.
Definition: Stmt.h:2158
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1735
const Stmt * getSubStmt() const
Definition: Stmt.h:676
SourceLocation getStarLoc() const
Definition: Stmt.h:1275
const Stmt * getInit() const
Definition: Stmt.h:992
const Stmt * body_front() const
Definition: Stmt.h:600
const Expr * getInc() const
Definition: Stmt.h:1192
const Stmt * getBody() const
Definition: Stmt.h:995
SourceRange getSourceRange(const SourceRange &Range)
Returns the SourceRange of a SourceRange.
Definition: FixIt.h:34
Reads an AST files chain containing the contents of a translation unit.
Definition: ASTReader.h:312
bool capturesThis() const
Determine whether this capture handles the C++ 'this' pointer.
Definition: Stmt.h:2043
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1085
DoStmt(EmptyShell Empty)
Build an empty do-while statement.
Definition: Stmt.h:1118
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1030
const StringLiteral * getClobberStringLiteral(unsigned i) const
Definition: Stmt.h:1730
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:770
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1314
SwitchCase * getNextSwitchCase()
Definition: Stmt.h:666
const StringLiteral * getOutputConstraintLiteral(unsigned i) const
Definition: Stmt.h:1668
static bool classof(const Stmt *T)
Definition: Stmt.h:1916
SourceLocation getWhileLoc() const
Definition: Stmt.h:1129
void setEllipsisLoc(SourceLocation L)
Definition: Stmt.h:710
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1289
detail::InMemoryDirectory::const_iterator E
ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate)
Definition: Stmt.h:1374
static bool classof(const Stmt *T)
Definition: Stmt.h:1737
BreakStmt(EmptyShell Empty)
Build an empty break statement.
Definition: Stmt.h:1338
child_range children()
Definition: Stmt.h:1251
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:535
body_iterator body_begin()
Definition: Stmt.h:582
Stmt *const * const_body_iterator
Definition: Stmt.h:592
static bool classof(const Stmt *T)
Definition: Stmt.h:476
void setBody(Stmt *S)
Definition: Stmt.h:1125
IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, Expr *target)
Definition: Stmt.h:1263
Represents a __leave statement.
Definition: Stmt.h:1972
const Stmt * getThen() const
Definition: Stmt.h:919
SwitchStmt - This represents a 'switch' stmt.
Definition: Stmt.h:957
const_capture_init_iterator capture_init_end() const
Definition: Stmt.h:2193
static bool classof(const OMPClause *T)
llvm::iterator_range< const_decl_iterator > decl_const_range
Definition: Stmt.h:489
void setRHS(Expr *Val)
Definition: Stmt.h:728
void setVolatile(bool V)
Definition: Stmt.h:1450
static bool classof(const Stmt *T)
Definition: Stmt.h:819
DefaultStmt(EmptyShell Empty)
Build an empty default statement.
Definition: Stmt.h:757
reverse_decl_iterator decl_rend()
Definition: Stmt.h:504
StringLiteral * getInputConstraintLiteral(unsigned i)
Definition: Stmt.h:1699
DeclGroupRef getDeclGroup()
Definition: Stmt.h:465
unsigned getOperandNo() const
Definition: Stmt.h:1627
void setSwitchLoc(SourceLocation L)
Definition: Stmt.h:1008
Stmt * getInit()
Definition: Stmt.h:991
DeclGroupRef::const_iterator const_decl_iterator
Definition: Stmt.h:487
static bool classof(const Stmt *T)
Definition: Stmt.h:772
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:869
decl_range decls()
Definition: Stmt.h:491
AsmStringPiece(unsigned OpNo, const std::string &S, SourceLocation Begin, SourceLocation End)
Definition: Stmt.h:1614
bool IsSimple
True if the assembly statement does not have any input or output operands.
Definition: Stmt.h:1419
bool isVolatile() const
Definition: Stmt.h:1449
static bool classof(const Stmt *T)
Definition: Stmt.h:873
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:2197
const DeclStmt * getConditionVariableDeclStmt() const
If this WhileStmt has a condition variable, return the faux DeclStmt associated with the creation of ...
Definition: Stmt.h:1071
ReturnStmt(SourceLocation RL)
Definition: Stmt.h:1372
SourceLocation getForLoc() const
Definition: Stmt.h:1200
child_range children()
Definition: Stmt.h:1095
const Expr * getCond() const
Definition: Stmt.h:1191
void setStarLoc(SourceLocation L)
Definition: Stmt.h:1274
Describes an explicit type conversion that uses functional notion but could not be resolved because o...
Definition: ExprCXX.h:3021
outputs_range outputs()
Definition: Stmt.h:1544
Stmt ** Exprs
Definition: Stmt.h:1429
GotoStmt - This represents a direct goto.
Definition: Stmt.h:1224
ArrayRef< const Attr * > getAttrs() const
Definition: Stmt.h:862
Expr * getTarget()
Definition: Stmt.h:1277
SourceLocation getColonLoc() const
Definition: Stmt.h:672
SourceLocation getAttrLoc() const
Definition: Stmt.h:861
SwitchStmt(EmptyShell Empty)
Build a empty switch statement.
Definition: Stmt.h:971
Expr * getCond()
Definition: Stmt.h:1120
const std::string & getString() const
Definition: Stmt.h:1623
static bool classof(const Stmt *T)
Definition: Stmt.h:1138
const StringLiteral * getInputConstraintLiteral(unsigned i) const
Definition: Stmt.h:1696
Decl *const * const_iterator
Definition: DeclGroup.h:80
SourceLocation getFinallyLoc() const
Definition: Stmt.h:1907
Defines the clang::SourceLocation class and associated facilities.
const_inputs_iterator end_inputs() const
Definition: Stmt.h:1523
ContinueStmt - This represents a continue.
Definition: Stmt.h:1302
SourceLocation getRParenLoc() const
Definition: Stmt.h:1204
reverse_body_iterator body_rbegin()
Definition: Stmt.h:608
void setLBraceLoc(SourceLocation L)
Definition: Stmt.h:1769
child_range children()
Definition: Stmt.h:481
llvm::iterator_range< const_inputs_iterator > inputs_const_range
Definition: Stmt.h:1507
void setElseLoc(SourceLocation L)
Definition: Stmt.h:931
SourceLocation getBreakLoc() const
Definition: Stmt.h:1340
ContinueStmt(SourceLocation CL)
Definition: Stmt.h:1305
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1135
WhileStmt - This represents a 'while' stmt.
Definition: Stmt.h:1047
void setIfLoc(SourceLocation L)
Definition: Stmt.h:929
SourceLocation getColonLoc() const
Definition: Stmt.h:766
const Expr * getCond() const
Definition: Stmt.h:917
SourceLocation AsmLoc
Definition: Stmt.h:1416
SourceLocation getElseLoc() const
Definition: Stmt.h:930
static bool classof(const Stmt *T)
Definition: Stmt.h:1316
CompoundStmt(EmptyShell Empty)
Definition: Stmt.h:568
void setDefaultLoc(SourceLocation L)
Definition: Stmt.h:765
const Stmt * body_back() const
Definition: Stmt.h:603
VariableCaptureKind
The different capture forms: by 'this', by reference, capture for variable-length array type etc...
Definition: Stmt.h:2010
bool isSimple() const
Definition: Stmt.h:1446
StringLiteral - This represents a string literal expression, e.g.
Definition: Expr.h:1466
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
Definition: Expr.h:2148
static bool classof(const Stmt *T)
Definition: Stmt.h:1039
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1205
SourceLocation getRBracLoc() const
Definition: Stmt.h:630
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1086
void setNextSwitchCase(SwitchCase *SC)
Definition: Stmt.h:668
child_range children()
Definition: Stmt.h:1217
capture_range captures()
Definition: Stmt.h:2140
A reference to a declared variable, function, enum, etc.
Definition: Expr.h:932
Capture * capture_iterator
An iterator that walks over the captures.
Definition: Stmt.h:2135
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:815
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:814
std::reverse_iterator< decl_iterator > reverse_decl_iterator
Definition: Stmt.h:500
void setLabel(LabelDecl *D)
Definition: Stmt.h:1236
static bool classof(const Stmt *T)
Definition: Stmt.h:740
BreakStmt - This represents a break.
Definition: Stmt.h:1328
const_inputs_iterator begin_inputs() const
Definition: Stmt.h:1519
const Capture * const_capture_iterator
Definition: Stmt.h:2136
void setSubStmt(Stmt *SS)
Definition: Stmt.h:812
CapturedRegionKind
The different kinds of captured statement.
Definition: CapturedStmt.h:17
Stmt * getSubStmt()
Definition: Stmt.h:809
DeclStmt(DeclGroupRef dg, SourceLocation startLoc, SourceLocation endLoc)
Definition: Stmt.h:448
unsigned getNumClobbers() const
Definition: Stmt.h:1494
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:769
A trivial tuple used to represent a source range.
void setInit(Stmt *S)
Definition: Stmt.h:1195
const Stmt * getCapturedStmt() const
Definition: Stmt.h:2107
unsigned NumInputs
Definition: Stmt.h:1426
OffsetOfExpr - [C99 7.17] - This represents an expression of the form offsetof(record-type, member-designator).
Definition: Expr.h:1874
CompoundStmt * getTryBlock() const
Definition: Stmt.h:1951
SourceLocation getStartLoc() const
Definition: Stmt.h:468
inputs_const_range inputs() const
Definition: Stmt.h:1527
Expr *const * const_capture_init_iterator
Const iterator that walks over the capture initialization arguments.
Definition: Stmt.h:2166
SourceLocation getExceptLoc() const
Definition: Stmt.h:1867
capture_init_iterator capture_init_end()
Retrieve the iterator pointing one past the last initialization argument.
Definition: Stmt.h:2189
SourceLocation ColonLoc
Location of ':'.
Definition: OpenMPClause.h:266
void setWhileLoc(SourceLocation L)
Definition: Stmt.h:1130
child_range children()
Definition: Stmt.h:1406
This class handles loading and caching of source files into memory.
BreakStmt(SourceLocation BL)
Definition: Stmt.h:1332
Stmt * getSubStmt()
Definition: Stmt.h:865
void setKeywordLoc(SourceLocation L)
Definition: Stmt.h:671
ReturnStmt(EmptyShell Empty)
Build an empty return expression.
Definition: Stmt.h:1379
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1208
void setLabelLoc(SourceLocation L)
Definition: Stmt.h:1241
ConstExprIterator const_inputs_iterator
Definition: Stmt.h:1505
#define BLOCK(DERIVED, BASE)
Definition: Template.h:423
Stmt * getSubStmt()
Definition: Stmt.h:716
inputs_iterator end_inputs()
Definition: Stmt.h:1513