clang  3.7.0
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/Support/Compiler.h"
26 #include "llvm/Support/ErrorHandling.h"
27 #include <string>
28 
29 namespace llvm {
30  class FoldingSetNodeID;
31 }
32 
33 namespace clang {
34  class ASTContext;
35  class Attr;
36  class CapturedDecl;
37  class Decl;
38  class Expr;
39  class IdentifierInfo;
40  class LabelDecl;
41  class ParmVarDecl;
42  class PrinterHelper;
43  struct PrintingPolicy;
44  class QualType;
45  class RecordDecl;
46  class SourceManager;
47  class StringLiteral;
48  class SwitchStmt;
49  class Token;
50  class VarDecl;
51 
52  //===--------------------------------------------------------------------===//
53  // ExprIterator - Iterators for iterating over Stmt* arrays that contain
54  // only Expr*. This is needed because AST nodes use Stmt* arrays to store
55  // references to children (to be compatible with StmtIterator).
56  //===--------------------------------------------------------------------===//
57 
58  class Stmt;
59  class Expr;
60 
61  class ExprIterator : public std::iterator<std::forward_iterator_tag,
62  Expr *&, ptrdiff_t,
63  Expr *&, Expr *&> {
64  Stmt** I;
65  public:
66  ExprIterator(Stmt** i) : I(i) {}
67  ExprIterator() : I(nullptr) {}
68  ExprIterator& operator++() { ++I; return *this; }
69  ExprIterator operator-(size_t i) { return I-i; }
70  ExprIterator operator+(size_t i) { return I+i; }
71  Expr* operator[](size_t idx);
72  // FIXME: Verify that this will correctly return a signed distance.
73  signed operator-(const ExprIterator& R) const { return I - R.I; }
74  Expr* operator*() const;
75  Expr* operator->() const;
76  bool operator==(const ExprIterator& R) const { return I == R.I; }
77  bool operator!=(const ExprIterator& R) const { return I != R.I; }
78  bool operator>(const ExprIterator& R) const { return I > R.I; }
79  bool operator>=(const ExprIterator& R) const { return I >= R.I; }
80  };
81 
82  class ConstExprIterator : public std::iterator<std::forward_iterator_tag,
83  const Expr *&, ptrdiff_t,
84  const Expr *&,
85  const Expr *&> {
86  const Stmt * const *I;
87  public:
88  ConstExprIterator(const Stmt * const *i) : I(i) {}
89  ConstExprIterator() : I(nullptr) {}
90  ConstExprIterator& operator++() { ++I; return *this; }
91  ConstExprIterator operator+(size_t i) const { return I+i; }
92  ConstExprIterator operator-(size_t i) const { return I-i; }
93  const Expr * operator[](size_t idx) const;
94  signed operator-(const ConstExprIterator& R) const { return I - R.I; }
95  const Expr * operator*() const;
96  const Expr * operator->() const;
97  bool operator==(const ConstExprIterator& R) const { return I == R.I; }
98  bool operator!=(const ConstExprIterator& R) const { return I != R.I; }
99  bool operator>(const ConstExprIterator& R) const { return I > R.I; }
100  bool operator>=(const ConstExprIterator& R) const { return I >= R.I; }
101  };
102 
103 //===----------------------------------------------------------------------===//
104 // AST classes for statements.
105 //===----------------------------------------------------------------------===//
106 
107 /// Stmt - This represents one statement.
108 ///
109 class LLVM_ALIGNAS(LLVM_PTR_SIZE) Stmt {
110 public:
111  enum StmtClass {
112  NoStmtClass = 0,
113 #define STMT(CLASS, PARENT) CLASS##Class,
114 #define STMT_RANGE(BASE, FIRST, LAST) \
115  first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class,
116 #define LAST_STMT_RANGE(BASE, FIRST, LAST) \
117  first##BASE##Constant=FIRST##Class, last##BASE##Constant=LAST##Class
118 #define ABSTRACT_STMT(STMT)
119 #include "clang/AST/StmtNodes.inc"
120  };
121 
122  // Make vanilla 'new' and 'delete' illegal for Stmts.
123 protected:
124  void* operator new(size_t bytes) throw() {
125  llvm_unreachable("Stmts cannot be allocated with regular 'new'.");
126  }
127  void operator delete(void* data) throw() {
128  llvm_unreachable("Stmts cannot be released with regular 'delete'.");
129  }
130 
131  class StmtBitfields {
132  friend class Stmt;
133 
134  /// \brief The statement class.
135  unsigned sClass : 8;
136  };
137  enum { NumStmtBits = 8 };
138 
139  class CompoundStmtBitfields {
140  friend class CompoundStmt;
141  unsigned : NumStmtBits;
142 
143  unsigned NumStmts : 32 - NumStmtBits;
144  };
145 
146  class ExprBitfields {
147  friend class Expr;
148  friend class DeclRefExpr; // computeDependence
149  friend class InitListExpr; // ctor
150  friend class DesignatedInitExpr; // ctor
151  friend class BlockDeclRefExpr; // ctor
152  friend class ASTStmtReader; // deserialization
153  friend class CXXNewExpr; // ctor
154  friend class DependentScopeDeclRefExpr; // ctor
155  friend class CXXConstructExpr; // ctor
156  friend class CallExpr; // ctor
157  friend class OffsetOfExpr; // ctor
158  friend class ObjCMessageExpr; // ctor
159  friend class ObjCArrayLiteral; // ctor
160  friend class ObjCDictionaryLiteral; // ctor
161  friend class ShuffleVectorExpr; // ctor
162  friend class ParenListExpr; // ctor
163  friend class CXXUnresolvedConstructExpr; // ctor
164  friend class CXXDependentScopeMemberExpr; // ctor
165  friend class OverloadExpr; // ctor
166  friend class PseudoObjectExpr; // ctor
167  friend class AtomicExpr; // ctor
168  unsigned : NumStmtBits;
169 
170  unsigned ValueKind : 2;
171  unsigned ObjectKind : 2;
172  unsigned TypeDependent : 1;
173  unsigned ValueDependent : 1;
174  unsigned InstantiationDependent : 1;
175  unsigned ContainsUnexpandedParameterPack : 1;
176  };
177  enum { NumExprBits = 16 };
178 
179  class CharacterLiteralBitfields {
180  friend class CharacterLiteral;
181  unsigned : NumExprBits;
182 
183  unsigned Kind : 2;
184  };
185 
186  enum APFloatSemantics {
187  IEEEhalf,
188  IEEEsingle,
189  IEEEdouble,
190  x87DoubleExtended,
191  IEEEquad,
192  PPCDoubleDouble
193  };
194 
195  class FloatingLiteralBitfields {
196  friend class FloatingLiteral;
197  unsigned : NumExprBits;
198 
199  unsigned Semantics : 3; // Provides semantics for APFloat construction
200  unsigned IsExact : 1;
201  };
202 
203  class UnaryExprOrTypeTraitExprBitfields {
204  friend class UnaryExprOrTypeTraitExpr;
205  unsigned : NumExprBits;
206 
207  unsigned Kind : 2;
208  unsigned IsType : 1; // true if operand is a type, false if an expression.
209  };
210 
211  class DeclRefExprBitfields {
212  friend class DeclRefExpr;
213  friend class ASTStmtReader; // deserialization
214  unsigned : NumExprBits;
215 
216  unsigned HasQualifier : 1;
217  unsigned HasTemplateKWAndArgsInfo : 1;
218  unsigned HasFoundDecl : 1;
219  unsigned HadMultipleCandidates : 1;
220  unsigned RefersToEnclosingVariableOrCapture : 1;
221  };
222 
223  class CastExprBitfields {
224  friend class CastExpr;
225  unsigned : NumExprBits;
226 
227  unsigned Kind : 6;
228  unsigned BasePathSize : 32 - 6 - NumExprBits;
229  };
230 
231  class CallExprBitfields {
232  friend class CallExpr;
233  unsigned : NumExprBits;
234 
235  unsigned NumPreArgs : 1;
236  };
237 
238  class ExprWithCleanupsBitfields {
239  friend class ExprWithCleanups;
240  friend class ASTStmtReader; // deserialization
241 
242  unsigned : NumExprBits;
243 
244  unsigned NumObjects : 32 - NumExprBits;
245  };
246 
247  class PseudoObjectExprBitfields {
248  friend class PseudoObjectExpr;
249  friend class ASTStmtReader; // deserialization
250 
251  unsigned : NumExprBits;
252 
253  // These don't need to be particularly wide, because they're
254  // strictly limited by the forms of expressions we permit.
255  unsigned NumSubExprs : 8;
256  unsigned ResultIndex : 32 - 8 - NumExprBits;
257  };
258 
259  class ObjCIndirectCopyRestoreExprBitfields {
260  friend class ObjCIndirectCopyRestoreExpr;
261  unsigned : NumExprBits;
262 
263  unsigned ShouldCopy : 1;
264  };
265 
266  class InitListExprBitfields {
267  friend class InitListExpr;
268 
269  unsigned : NumExprBits;
270 
271  /// Whether this initializer list originally had a GNU array-range
272  /// designator in it. This is a temporary marker used by CodeGen.
273  unsigned HadArrayRangeDesignator : 1;
274  };
275 
276  class TypeTraitExprBitfields {
277  friend class TypeTraitExpr;
278  friend class ASTStmtReader;
279  friend class ASTStmtWriter;
280 
281  unsigned : NumExprBits;
282 
283  /// \brief The kind of type trait, which is a value of a TypeTrait enumerator.
284  unsigned Kind : 8;
285 
286  /// \brief If this expression is not value-dependent, this indicates whether
287  /// the trait evaluated true or false.
288  unsigned Value : 1;
289 
290  /// \brief The number of arguments to this type trait.
291  unsigned NumArgs : 32 - 8 - 1 - NumExprBits;
292  };
293 
294  union {
295  StmtBitfields StmtBits;
296  CompoundStmtBitfields CompoundStmtBits;
297  ExprBitfields ExprBits;
298  CharacterLiteralBitfields CharacterLiteralBits;
299  FloatingLiteralBitfields FloatingLiteralBits;
300  UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits;
301  DeclRefExprBitfields DeclRefExprBits;
302  CastExprBitfields CastExprBits;
303  CallExprBitfields CallExprBits;
304  ExprWithCleanupsBitfields ExprWithCleanupsBits;
305  PseudoObjectExprBitfields PseudoObjectExprBits;
306  ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits;
307  InitListExprBitfields InitListExprBits;
308  TypeTraitExprBitfields TypeTraitExprBits;
309  };
310 
311  friend class ASTStmtReader;
312  friend class ASTStmtWriter;
313 
314 public:
315  // Only allow allocation of Stmts using the allocator in ASTContext
316  // or by doing a placement new.
317  void* operator new(size_t bytes, const ASTContext& C,
318  unsigned alignment = 8);
319 
320  void* operator new(size_t bytes, const ASTContext* C,
321  unsigned alignment = 8) {
322  return operator new(bytes, *C, alignment);
323  }
324 
325  void* operator new(size_t bytes, void* mem) throw() {
326  return mem;
327  }
328 
329  void operator delete(void*, const ASTContext&, unsigned) throw() { }
330  void operator delete(void*, const ASTContext*, unsigned) throw() { }
331  void operator delete(void*, size_t) throw() { }
332  void operator delete(void*, void*) throw() { }
333 
334 public:
335  /// \brief A placeholder type used to construct an empty shell of a
336  /// type, that will be filled in later (e.g., by some
337  /// de-serialization).
338  struct EmptyShell { };
339 
340 private:
341  /// \brief Whether statistic collection is enabled.
342  static bool StatisticsEnabled;
343 
344 protected:
345  /// \brief Construct an empty statement.
346  explicit Stmt(StmtClass SC, EmptyShell) : Stmt(SC) {}
347 
348 public:
349  Stmt(StmtClass SC) {
350  static_assert(sizeof(*this) % llvm::AlignOf<void *>::Alignment == 0,
351  "Insufficient alignment!");
352  StmtBits.sClass = SC;
353  if (StatisticsEnabled) Stmt::addStmtClass(SC);
354  }
355 
356  StmtClass getStmtClass() const {
357  return static_cast<StmtClass>(StmtBits.sClass);
358  }
359  const char *getStmtClassName() const;
360 
361  /// SourceLocation tokens are not useful in isolation - they are low level
362  /// value objects created/interpreted by SourceManager. We assume AST
363  /// clients will have a pointer to the respective SourceManager.
364  SourceRange getSourceRange() const LLVM_READONLY;
365  SourceLocation getLocStart() const LLVM_READONLY;
366  SourceLocation getLocEnd() const LLVM_READONLY;
367 
368  // global temp stats (until we have a per-module visitor)
369  static void addStmtClass(const StmtClass s);
370  static void EnableStatistics();
371  static void PrintStats();
372 
373  /// \brief Dumps the specified AST fragment and all subtrees to
374  /// \c llvm::errs().
375  void dump() const;
376  void dump(SourceManager &SM) const;
377  void dump(raw_ostream &OS, SourceManager &SM) const;
378  void dump(raw_ostream &OS) const;
379 
380  /// dumpColor - same as dump(), but forces color highlighting.
381  void dumpColor() const;
382 
383  /// dumpPretty/printPretty - These two methods do a "pretty print" of the AST
384  /// back to its original source language syntax.
385  void dumpPretty(const ASTContext &Context) const;
386  void printPretty(raw_ostream &OS, PrinterHelper *Helper,
387  const PrintingPolicy &Policy,
388  unsigned Indentation = 0) const;
389 
390  /// viewAST - Visualize an AST rooted at this Stmt* using GraphViz. Only
391  /// works on systems with GraphViz (Mac OS X) or dot+gv installed.
392  void viewAST() const;
393 
394  /// Skip past any implicit AST nodes which might surround this
395  /// statement, such as ExprWithCleanups or ImplicitCastExpr nodes.
396  Stmt *IgnoreImplicit();
397 
398  /// \brief Skip no-op (attributed, compound) container stmts and skip captured
399  /// stmt at the top, if \a IgnoreCaptured is true.
400  Stmt *IgnoreContainers(bool IgnoreCaptured = false);
401 
402  const Stmt *stripLabelLikeStatements() const;
403  Stmt *stripLabelLikeStatements() {
404  return const_cast<Stmt*>(
405  const_cast<const Stmt*>(this)->stripLabelLikeStatements());
406  }
407 
408  /// Child Iterators: All subclasses must implement 'children'
409  /// to permit easy iteration over the substatements/subexpessions of an
410  /// AST node. This permits easy iteration over all nodes in the AST.
411  typedef StmtIterator child_iterator;
412  typedef ConstStmtIterator const_child_iterator;
413 
414  typedef StmtRange child_range;
415  typedef ConstStmtRange const_child_range;
416 
417  child_range children();
418  const_child_range children() const {
419  return const_cast<Stmt*>(this)->children();
420  }
421 
422  child_iterator child_begin() { return children().first; }
423  child_iterator child_end() { return children().second; }
424 
425  const_child_iterator child_begin() const { return children().first; }
426  const_child_iterator child_end() const { return children().second; }
427 
428  /// \brief Produce a unique representation of the given statement.
429  ///
430  /// \param ID once the profiling operation is complete, will contain
431  /// the unique representation of the given statement.
432  ///
433  /// \param Context the AST context in which the statement resides
434  ///
435  /// \param Canonical whether the profile should be based on the canonical
436  /// representation of this statement (e.g., where non-type template
437  /// parameters are identified by index/level rather than their
438  /// declaration pointers) or the exact representation of the statement as
439  /// written in the source.
440  void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
441  bool Canonical) const;
442 };
443 
444 /// DeclStmt - Adaptor class for mixing declarations with statements and
445 /// expressions. For example, CompoundStmt mixes statements, expressions
446 /// and declarations (variables, types). Another example is ForStmt, where
447 /// the first statement can be an expression or a declaration.
448 ///
449 class DeclStmt : public Stmt {
450  DeclGroupRef DG;
451  SourceLocation StartLoc, EndLoc;
452 
453 public:
455  SourceLocation endLoc) : Stmt(DeclStmtClass), DG(dg),
456  StartLoc(startLoc), EndLoc(endLoc) {}
457 
458  /// \brief Build an empty declaration statement.
459  explicit DeclStmt(EmptyShell Empty) : Stmt(DeclStmtClass, Empty) { }
460 
461  /// isSingleDecl - This method returns true if this DeclStmt refers
462  /// to a single Decl.
463  bool isSingleDecl() const {
464  return DG.isSingleDecl();
465  }
466 
467  const Decl *getSingleDecl() const { return DG.getSingleDecl(); }
468  Decl *getSingleDecl() { return DG.getSingleDecl(); }
469 
470  const DeclGroupRef getDeclGroup() const { return DG; }
471  DeclGroupRef getDeclGroup() { return DG; }
472  void setDeclGroup(DeclGroupRef DGR) { DG = DGR; }
473 
474  SourceLocation getStartLoc() const { return StartLoc; }
475  void setStartLoc(SourceLocation L) { StartLoc = L; }
476  SourceLocation getEndLoc() const { return EndLoc; }
477  void setEndLoc(SourceLocation L) { EndLoc = L; }
478 
479  SourceLocation getLocStart() const LLVM_READONLY { return StartLoc; }
480  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
481 
482  static bool classof(const Stmt *T) {
483  return T->getStmtClass() == DeclStmtClass;
484  }
485 
486  // Iterators over subexpressions.
487  child_range children() {
488  return child_range(child_iterator(DG.begin(), DG.end()),
489  child_iterator(DG.end(), DG.end()));
490  }
491 
494  typedef llvm::iterator_range<decl_iterator> decl_range;
495  typedef llvm::iterator_range<const_decl_iterator> decl_const_range;
496 
497  decl_range decls() { return decl_range(decl_begin(), decl_end()); }
499  return decl_const_range(decl_begin(), decl_end());
500  }
501  decl_iterator decl_begin() { return DG.begin(); }
502  decl_iterator decl_end() { return DG.end(); }
503  const_decl_iterator decl_begin() const { return DG.begin(); }
504  const_decl_iterator decl_end() const { return DG.end(); }
505 
506  typedef std::reverse_iterator<decl_iterator> reverse_decl_iterator;
508  return reverse_decl_iterator(decl_end());
509  }
511  return reverse_decl_iterator(decl_begin());
512  }
513 };
514 
515 /// NullStmt - This is the null statement ";": C99 6.8.3p3.
516 ///
517 class NullStmt : public Stmt {
518  SourceLocation SemiLoc;
519 
520  /// \brief True if the null statement was preceded by an empty macro, e.g:
521  /// @code
522  /// #define CALL(x)
523  /// CALL(0);
524  /// @endcode
525  bool HasLeadingEmptyMacro;
526 public:
527  NullStmt(SourceLocation L, bool hasLeadingEmptyMacro = false)
528  : Stmt(NullStmtClass), SemiLoc(L),
529  HasLeadingEmptyMacro(hasLeadingEmptyMacro) {}
530 
531  /// \brief Build an empty null statement.
532  explicit NullStmt(EmptyShell Empty) : Stmt(NullStmtClass, Empty),
533  HasLeadingEmptyMacro(false) { }
534 
535  SourceLocation getSemiLoc() const { return SemiLoc; }
536  void setSemiLoc(SourceLocation L) { SemiLoc = L; }
537 
538  bool hasLeadingEmptyMacro() const { return HasLeadingEmptyMacro; }
539 
540  SourceLocation getLocStart() const LLVM_READONLY { return SemiLoc; }
541  SourceLocation getLocEnd() const LLVM_READONLY { return SemiLoc; }
542 
543  static bool classof(const Stmt *T) {
544  return T->getStmtClass() == NullStmtClass;
545  }
546 
547  child_range children() { return child_range(); }
548 
549  friend class ASTStmtReader;
550  friend class ASTStmtWriter;
551 };
552 
553 /// CompoundStmt - This represents a group of statements like { stmt stmt }.
554 ///
555 class CompoundStmt : public Stmt {
556  Stmt** Body;
557  SourceLocation LBraceLoc, RBraceLoc;
558 
559  friend class ASTStmtReader;
560 
561 public:
564 
565  // \brief Build an empty compound statement with a location.
567  : Stmt(CompoundStmtClass), Body(nullptr), LBraceLoc(Loc), RBraceLoc(Loc) {
568  CompoundStmtBits.NumStmts = 0;
569  }
570 
571  // \brief Build an empty compound statement.
572  explicit CompoundStmt(EmptyShell Empty)
573  : Stmt(CompoundStmtClass, Empty), Body(nullptr) {
574  CompoundStmtBits.NumStmts = 0;
575  }
576 
577  void setStmts(const ASTContext &C, Stmt **Stmts, unsigned NumStmts);
578 
579  bool body_empty() const { return CompoundStmtBits.NumStmts == 0; }
580  unsigned size() const { return CompoundStmtBits.NumStmts; }
581 
582  typedef Stmt** body_iterator;
583  typedef llvm::iterator_range<body_iterator> body_range;
584 
585  body_range body() { return body_range(body_begin(), body_end()); }
586  body_iterator body_begin() { return Body; }
587  body_iterator body_end() { return Body + size(); }
588  Stmt *body_front() { return !body_empty() ? Body[0] : nullptr; }
589  Stmt *body_back() { return !body_empty() ? Body[size()-1] : nullptr; }
590 
591  void setLastStmt(Stmt *S) {
592  assert(!body_empty() && "setLastStmt");
593  Body[size()-1] = S;
594  }
595 
596  typedef Stmt* const * const_body_iterator;
597  typedef llvm::iterator_range<const_body_iterator> body_const_range;
598 
600  return body_const_range(body_begin(), body_end());
601  }
602  const_body_iterator body_begin() const { return Body; }
603  const_body_iterator body_end() const { return Body + size(); }
604  const Stmt *body_front() const {
605  return !body_empty() ? Body[0] : nullptr;
606  }
607  const Stmt *body_back() const {
608  return !body_empty() ? Body[size() - 1] : nullptr;
609  }
610 
611  typedef std::reverse_iterator<body_iterator> reverse_body_iterator;
613  return reverse_body_iterator(body_end());
614  }
616  return reverse_body_iterator(body_begin());
617  }
618 
619  typedef std::reverse_iterator<const_body_iterator>
621 
623  return const_reverse_body_iterator(body_end());
624  }
625 
627  return const_reverse_body_iterator(body_begin());
628  }
629 
630  SourceLocation getLocStart() const LLVM_READONLY { return LBraceLoc; }
631  SourceLocation getLocEnd() const LLVM_READONLY { return RBraceLoc; }
632 
633  SourceLocation getLBracLoc() const { return LBraceLoc; }
634  SourceLocation getRBracLoc() const { return RBraceLoc; }
635 
636  static bool classof(const Stmt *T) {
637  return T->getStmtClass() == CompoundStmtClass;
638  }
639 
640  // Iterators
641  child_range children() {
642  return child_range(Body, Body + CompoundStmtBits.NumStmts);
643  }
644 
645  const_child_range children() const {
646  return child_range(Body, Body + CompoundStmtBits.NumStmts);
647  }
648 };
649 
650 // SwitchCase is the base class for CaseStmt and DefaultStmt,
651 class SwitchCase : public Stmt {
652 protected:
653  // A pointer to the following CaseStmt or DefaultStmt class,
654  // used by SwitchStmt.
658 
660  : Stmt(SC), NextSwitchCase(nullptr), KeywordLoc(KWLoc), ColonLoc(ColonLoc) {
661  }
662 
663  SwitchCase(StmtClass SC, EmptyShell)
664  : Stmt(SC), NextSwitchCase(nullptr) {}
665 
666 public:
667  const SwitchCase *getNextSwitchCase() const { return NextSwitchCase; }
668 
669  SwitchCase *getNextSwitchCase() { return NextSwitchCase; }
670 
671  void setNextSwitchCase(SwitchCase *SC) { NextSwitchCase = SC; }
672 
673  SourceLocation getKeywordLoc() const { return KeywordLoc; }
674  void setKeywordLoc(SourceLocation L) { KeywordLoc = L; }
675  SourceLocation getColonLoc() const { return ColonLoc; }
677 
678  Stmt *getSubStmt();
679  const Stmt *getSubStmt() const {
680  return const_cast<SwitchCase*>(this)->getSubStmt();
681  }
682 
683  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
684  SourceLocation getLocEnd() const LLVM_READONLY;
685 
686  static bool classof(const Stmt *T) {
687  return T->getStmtClass() == CaseStmtClass ||
688  T->getStmtClass() == DefaultStmtClass;
689  }
690 };
691 
692 class CaseStmt : public SwitchCase {
693  SourceLocation EllipsisLoc;
694  enum { LHS, RHS, SUBSTMT, END_EXPR };
695  Stmt* SubExprs[END_EXPR]; // The expression for the RHS is Non-null for
696  // GNU "case 1 ... 4" extension
697 public:
698  CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc,
699  SourceLocation ellipsisLoc, SourceLocation colonLoc)
700  : SwitchCase(CaseStmtClass, caseLoc, colonLoc) {
701  SubExprs[SUBSTMT] = nullptr;
702  SubExprs[LHS] = reinterpret_cast<Stmt*>(lhs);
703  SubExprs[RHS] = reinterpret_cast<Stmt*>(rhs);
704  EllipsisLoc = ellipsisLoc;
705  }
706 
707  /// \brief Build an empty switch case statement.
708  explicit CaseStmt(EmptyShell Empty) : SwitchCase(CaseStmtClass, Empty) { }
709 
710  SourceLocation getCaseLoc() const { return KeywordLoc; }
711  void setCaseLoc(SourceLocation L) { KeywordLoc = L; }
712  SourceLocation getEllipsisLoc() const { return EllipsisLoc; }
713  void setEllipsisLoc(SourceLocation L) { EllipsisLoc = L; }
714  SourceLocation getColonLoc() const { return ColonLoc; }
716 
717  Expr *getLHS() { return reinterpret_cast<Expr*>(SubExprs[LHS]); }
718  Expr *getRHS() { return reinterpret_cast<Expr*>(SubExprs[RHS]); }
719  Stmt *getSubStmt() { return SubExprs[SUBSTMT]; }
720 
721  const Expr *getLHS() const {
722  return reinterpret_cast<const Expr*>(SubExprs[LHS]);
723  }
724  const Expr *getRHS() const {
725  return reinterpret_cast<const Expr*>(SubExprs[RHS]);
726  }
727  const Stmt *getSubStmt() const { return SubExprs[SUBSTMT]; }
728 
729  void setSubStmt(Stmt *S) { SubExprs[SUBSTMT] = S; }
730  void setLHS(Expr *Val) { SubExprs[LHS] = reinterpret_cast<Stmt*>(Val); }
731  void setRHS(Expr *Val) { SubExprs[RHS] = reinterpret_cast<Stmt*>(Val); }
732 
733  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
734  SourceLocation getLocEnd() const LLVM_READONLY {
735  // Handle deeply nested case statements with iteration instead of recursion.
736  const CaseStmt *CS = this;
737  while (const CaseStmt *CS2 = dyn_cast<CaseStmt>(CS->getSubStmt()))
738  CS = CS2;
739 
740  return CS->getSubStmt()->getLocEnd();
741  }
742 
743  static bool classof(const Stmt *T) {
744  return T->getStmtClass() == CaseStmtClass;
745  }
746 
747  // Iterators
748  child_range children() {
749  return child_range(&SubExprs[0], &SubExprs[END_EXPR]);
750  }
751 };
752 
753 class DefaultStmt : public SwitchCase {
754  Stmt* SubStmt;
755 public:
757  SwitchCase(DefaultStmtClass, DL, CL), SubStmt(substmt) {}
758 
759  /// \brief Build an empty default statement.
760  explicit DefaultStmt(EmptyShell Empty)
761  : SwitchCase(DefaultStmtClass, Empty) { }
762 
763  Stmt *getSubStmt() { return SubStmt; }
764  const Stmt *getSubStmt() const { return SubStmt; }
765  void setSubStmt(Stmt *S) { SubStmt = S; }
766 
767  SourceLocation getDefaultLoc() const { return KeywordLoc; }
768  void setDefaultLoc(SourceLocation L) { KeywordLoc = L; }
769  SourceLocation getColonLoc() const { return ColonLoc; }
771 
772  SourceLocation getLocStart() const LLVM_READONLY { return KeywordLoc; }
773  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
774 
775  static bool classof(const Stmt *T) {
776  return T->getStmtClass() == DefaultStmtClass;
777  }
778 
779  // Iterators
780  child_range children() { return child_range(&SubStmt, &SubStmt+1); }
781 };
782 
784  if (const CaseStmt *CS = dyn_cast<CaseStmt>(this))
785  return CS->getLocEnd();
786  return cast<DefaultStmt>(this)->getLocEnd();
787 }
788 
789 /// LabelStmt - Represents a label, which has a substatement. For example:
790 /// foo: return;
791 ///
792 class LabelStmt : public Stmt {
793  SourceLocation IdentLoc;
794  LabelDecl *TheDecl;
795  Stmt *SubStmt;
796 
797 public:
799  : Stmt(LabelStmtClass), IdentLoc(IL), TheDecl(D), SubStmt(substmt) {
800  static_assert(sizeof(LabelStmt) ==
801  2 * sizeof(SourceLocation) + 2 * sizeof(void *),
802  "LabelStmt too big");
803  }
804 
805  // \brief Build an empty label statement.
806  explicit LabelStmt(EmptyShell Empty) : Stmt(LabelStmtClass, Empty) { }
807 
808  SourceLocation getIdentLoc() const { return IdentLoc; }
809  LabelDecl *getDecl() const { return TheDecl; }
810  void setDecl(LabelDecl *D) { TheDecl = D; }
811  const char *getName() const;
812  Stmt *getSubStmt() { return SubStmt; }
813  const Stmt *getSubStmt() const { return SubStmt; }
814  void setIdentLoc(SourceLocation L) { IdentLoc = L; }
815  void setSubStmt(Stmt *SS) { SubStmt = SS; }
816 
817  SourceLocation getLocStart() const LLVM_READONLY { return IdentLoc; }
818  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
819 
820  child_range children() { return child_range(&SubStmt, &SubStmt+1); }
821 
822  static bool classof(const Stmt *T) {
823  return T->getStmtClass() == LabelStmtClass;
824  }
825 };
826 
827 
828 /// \brief Represents an attribute applied to a statement.
829 ///
830 /// Represents an attribute applied to a statement. For example:
831 /// [[omp::for(...)]] for (...) { ... }
832 ///
833 class AttributedStmt : public Stmt {
834  Stmt *SubStmt;
835  SourceLocation AttrLoc;
836  unsigned NumAttrs;
837 
838  friend class ASTStmtReader;
839 
841  : Stmt(AttributedStmtClass), SubStmt(SubStmt), AttrLoc(Loc),
842  NumAttrs(Attrs.size()) {
843  memcpy(getAttrArrayPtr(), Attrs.data(), Attrs.size() * sizeof(Attr *));
844  }
845 
846  explicit AttributedStmt(EmptyShell Empty, unsigned NumAttrs)
847  : Stmt(AttributedStmtClass, Empty), NumAttrs(NumAttrs) {
848  memset(getAttrArrayPtr(), 0, NumAttrs * sizeof(Attr *));
849  }
850 
851  Attr *const *getAttrArrayPtr() const {
852  return reinterpret_cast<Attr *const *>(this + 1);
853  }
854  Attr **getAttrArrayPtr() { return reinterpret_cast<Attr **>(this + 1); }
855 
856 public:
857  static AttributedStmt *Create(const ASTContext &C, SourceLocation Loc,
858  ArrayRef<const Attr*> Attrs, Stmt *SubStmt);
859  // \brief Build an empty attributed statement.
860  static AttributedStmt *CreateEmpty(const ASTContext &C, unsigned NumAttrs);
861 
862  SourceLocation getAttrLoc() const { return AttrLoc; }
864  return llvm::makeArrayRef(getAttrArrayPtr(), NumAttrs);
865  }
866  Stmt *getSubStmt() { return SubStmt; }
867  const Stmt *getSubStmt() const { return SubStmt; }
868 
869  SourceLocation getLocStart() const LLVM_READONLY { return AttrLoc; }
870  SourceLocation getLocEnd() const LLVM_READONLY { return SubStmt->getLocEnd();}
871 
872  child_range children() { return child_range(&SubStmt, &SubStmt + 1); }
873 
874  static bool classof(const Stmt *T) {
875  return T->getStmtClass() == AttributedStmtClass;
876  }
877 };
878 
879 
880 /// IfStmt - This represents an if/then/else.
881 ///
882 class IfStmt : public Stmt {
883  enum { VAR, COND, THEN, ELSE, END_EXPR };
884  Stmt* SubExprs[END_EXPR];
885 
886  SourceLocation IfLoc;
887  SourceLocation ElseLoc;
888 
889 public:
890  IfStmt(const ASTContext &C, SourceLocation IL, 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  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
915  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); }
916  const Stmt *getThen() const { return SubExprs[THEN]; }
917  void setThen(Stmt *S) { SubExprs[THEN] = S; }
918  const Stmt *getElse() const { return SubExprs[ELSE]; }
919  void setElse(Stmt *S) { SubExprs[ELSE] = S; }
920 
921  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
922  Stmt *getThen() { return SubExprs[THEN]; }
923  Stmt *getElse() { return SubExprs[ELSE]; }
924 
925  SourceLocation getIfLoc() const { return IfLoc; }
926  void setIfLoc(SourceLocation L) { IfLoc = L; }
927  SourceLocation getElseLoc() const { return ElseLoc; }
928  void setElseLoc(SourceLocation L) { ElseLoc = L; }
929 
930  SourceLocation getLocStart() const LLVM_READONLY { return IfLoc; }
931  SourceLocation getLocEnd() const LLVM_READONLY {
932  if (SubExprs[ELSE])
933  return SubExprs[ELSE]->getLocEnd();
934  else
935  return SubExprs[THEN]->getLocEnd();
936  }
937 
938  // Iterators over subexpressions. The iterators will include iterating
939  // over the initialization expression referenced by the condition variable.
940  child_range children() {
941  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
942  }
943 
944  static bool classof(const Stmt *T) {
945  return T->getStmtClass() == IfStmtClass;
946  }
947 };
948 
949 /// SwitchStmt - This represents a 'switch' stmt.
950 ///
951 class SwitchStmt : public Stmt {
952  SourceLocation SwitchLoc;
953  enum { VAR, COND, BODY, END_EXPR };
954  Stmt* SubExprs[END_EXPR];
955  // This points to a linked list of case and default statements and, if the
956  // SwitchStmt is a switch on an enum value, records whether all the enum
957  // values were covered by CaseStmts. The coverage information value is meant
958  // to be a hint for possible clients.
959  llvm::PointerIntPair<SwitchCase *, 1, bool> FirstCase;
960 
961 public:
962  SwitchStmt(const ASTContext &C, VarDecl *Var, Expr *cond);
963 
964  /// \brief Build a empty switch statement.
965  explicit SwitchStmt(EmptyShell Empty) : Stmt(SwitchStmtClass, Empty) { }
966 
967  /// \brief Retrieve the variable declared in this "switch" statement, if any.
968  ///
969  /// In the following example, "x" is the condition variable.
970  /// \code
971  /// switch (int x = foo()) {
972  /// case 0: break;
973  /// // ...
974  /// }
975  /// \endcode
976  VarDecl *getConditionVariable() const;
977  void setConditionVariable(const ASTContext &C, VarDecl *V);
978 
979  /// If this SwitchStmt has a condition variable, return the faux DeclStmt
980  /// associated with the creation of that condition variable.
982  return reinterpret_cast<DeclStmt*>(SubExprs[VAR]);
983  }
984 
985  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
986  const Stmt *getBody() const { return SubExprs[BODY]; }
987  const SwitchCase *getSwitchCaseList() const { return FirstCase.getPointer(); }
988 
989  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]);}
990  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt *>(E); }
991  Stmt *getBody() { return SubExprs[BODY]; }
992  void setBody(Stmt *S) { SubExprs[BODY] = S; }
993  SwitchCase *getSwitchCaseList() { return FirstCase.getPointer(); }
994 
995  /// \brief Set the case list for this switch statement.
996  void setSwitchCaseList(SwitchCase *SC) { FirstCase.setPointer(SC); }
997 
998  SourceLocation getSwitchLoc() const { return SwitchLoc; }
999  void setSwitchLoc(SourceLocation L) { SwitchLoc = L; }
1000 
1002  SubExprs[BODY] = S;
1003  SwitchLoc = SL;
1004  }
1006  assert(!SC->getNextSwitchCase()
1007  && "case/default already added to a switch");
1008  SC->setNextSwitchCase(FirstCase.getPointer());
1009  FirstCase.setPointer(SC);
1010  }
1011 
1012  /// Set a flag in the SwitchStmt indicating that if the 'switch (X)' is a
1013  /// switch over an enum value then all cases have been explicitly covered.
1014  void setAllEnumCasesCovered() { FirstCase.setInt(true); }
1015 
1016  /// Returns true if the SwitchStmt is a switch of an enum value and all cases
1017  /// have been explicitly covered.
1018  bool isAllEnumCasesCovered() const { return FirstCase.getInt(); }
1019 
1020  SourceLocation getLocStart() const LLVM_READONLY { return SwitchLoc; }
1021  SourceLocation getLocEnd() const LLVM_READONLY {
1022  return SubExprs[BODY] ? SubExprs[BODY]->getLocEnd() : SubExprs[COND]->getLocEnd();
1023  }
1024 
1025  // Iterators
1026  child_range children() {
1027  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1028  }
1029 
1030  static bool classof(const Stmt *T) {
1031  return T->getStmtClass() == SwitchStmtClass;
1032  }
1033 };
1034 
1035 
1036 /// WhileStmt - This represents a 'while' stmt.
1037 ///
1038 class WhileStmt : public Stmt {
1039  SourceLocation WhileLoc;
1040  enum { VAR, COND, BODY, END_EXPR };
1041  Stmt* SubExprs[END_EXPR];
1042 public:
1043  WhileStmt(const ASTContext &C, VarDecl *Var, Expr *cond, Stmt *body,
1044  SourceLocation WL);
1045 
1046  /// \brief Build an empty while statement.
1047  explicit WhileStmt(EmptyShell Empty) : Stmt(WhileStmtClass, Empty) { }
1048 
1049  /// \brief Retrieve the variable declared in this "while" statement, if any.
1050  ///
1051  /// In the following example, "x" is the condition variable.
1052  /// \code
1053  /// while (int x = random()) {
1054  /// // ...
1055  /// }
1056  /// \endcode
1057  VarDecl *getConditionVariable() const;
1058  void setConditionVariable(const ASTContext &C, VarDecl *V);
1059 
1060  /// If this WhileStmt has a condition variable, return the faux DeclStmt
1061  /// associated with the creation of that condition variable.
1063  return reinterpret_cast<DeclStmt*>(SubExprs[VAR]);
1064  }
1065 
1066  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1067  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1068  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1069  Stmt *getBody() { return SubExprs[BODY]; }
1070  const Stmt *getBody() const { return SubExprs[BODY]; }
1071  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1072 
1073  SourceLocation getWhileLoc() const { return WhileLoc; }
1074  void setWhileLoc(SourceLocation L) { WhileLoc = L; }
1075 
1076  SourceLocation getLocStart() const LLVM_READONLY { return WhileLoc; }
1077  SourceLocation getLocEnd() const LLVM_READONLY {
1078  return SubExprs[BODY]->getLocEnd();
1079  }
1080 
1081  static bool classof(const Stmt *T) {
1082  return T->getStmtClass() == WhileStmtClass;
1083  }
1084 
1085  // Iterators
1086  child_range children() {
1087  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1088  }
1089 };
1090 
1091 /// DoStmt - This represents a 'do/while' stmt.
1092 ///
1093 class DoStmt : public Stmt {
1094  SourceLocation DoLoc;
1095  enum { BODY, COND, END_EXPR };
1096  Stmt* SubExprs[END_EXPR];
1097  SourceLocation WhileLoc;
1098  SourceLocation RParenLoc; // Location of final ')' in do stmt condition.
1099 
1100 public:
1102  SourceLocation RP)
1103  : Stmt(DoStmtClass), DoLoc(DL), WhileLoc(WL), RParenLoc(RP) {
1104  SubExprs[COND] = reinterpret_cast<Stmt*>(cond);
1105  SubExprs[BODY] = body;
1106  }
1107 
1108  /// \brief Build an empty do-while statement.
1109  explicit DoStmt(EmptyShell Empty) : Stmt(DoStmtClass, Empty) { }
1110 
1111  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1112  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1113  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1114  Stmt *getBody() { return SubExprs[BODY]; }
1115  const Stmt *getBody() const { return SubExprs[BODY]; }
1116  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1117 
1118  SourceLocation getDoLoc() const { return DoLoc; }
1119  void setDoLoc(SourceLocation L) { DoLoc = L; }
1120  SourceLocation getWhileLoc() const { return WhileLoc; }
1121  void setWhileLoc(SourceLocation L) { WhileLoc = L; }
1122 
1123  SourceLocation getRParenLoc() const { return RParenLoc; }
1124  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1125 
1126  SourceLocation getLocStart() const LLVM_READONLY { return DoLoc; }
1127  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
1128 
1129  static bool classof(const Stmt *T) {
1130  return T->getStmtClass() == DoStmtClass;
1131  }
1132 
1133  // Iterators
1134  child_range children() {
1135  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1136  }
1137 };
1138 
1139 
1140 /// ForStmt - This represents a 'for (init;cond;inc)' stmt. Note that any of
1141 /// the init/cond/inc parts of the ForStmt will be null if they were not
1142 /// specified in the source.
1143 ///
1144 class ForStmt : public Stmt {
1145  SourceLocation ForLoc;
1146  enum { INIT, CONDVAR, COND, INC, BODY, END_EXPR };
1147  Stmt* SubExprs[END_EXPR]; // SubExprs[INIT] is an expression or declstmt.
1148  SourceLocation LParenLoc, RParenLoc;
1149 
1150 public:
1151  ForStmt(const ASTContext &C, Stmt *Init, Expr *Cond, VarDecl *condVar,
1152  Expr *Inc, Stmt *Body, SourceLocation FL, SourceLocation LP,
1153  SourceLocation RP);
1154 
1155  /// \brief Build an empty for statement.
1156  explicit ForStmt(EmptyShell Empty) : Stmt(ForStmtClass, Empty) { }
1157 
1158  Stmt *getInit() { return SubExprs[INIT]; }
1159 
1160  /// \brief Retrieve the variable declared in this "for" statement, if any.
1161  ///
1162  /// In the following example, "y" is the condition variable.
1163  /// \code
1164  /// for (int x = random(); int y = mangle(x); ++x) {
1165  /// // ...
1166  /// }
1167  /// \endcode
1168  VarDecl *getConditionVariable() const;
1169  void setConditionVariable(const ASTContext &C, VarDecl *V);
1170 
1171  /// If this ForStmt has a condition variable, return the faux DeclStmt
1172  /// associated with the creation of that condition variable.
1174  return reinterpret_cast<DeclStmt*>(SubExprs[CONDVAR]);
1175  }
1176 
1177  Expr *getCond() { return reinterpret_cast<Expr*>(SubExprs[COND]); }
1178  Expr *getInc() { return reinterpret_cast<Expr*>(SubExprs[INC]); }
1179  Stmt *getBody() { return SubExprs[BODY]; }
1180 
1181  const Stmt *getInit() const { return SubExprs[INIT]; }
1182  const Expr *getCond() const { return reinterpret_cast<Expr*>(SubExprs[COND]);}
1183  const Expr *getInc() const { return reinterpret_cast<Expr*>(SubExprs[INC]); }
1184  const Stmt *getBody() const { return SubExprs[BODY]; }
1185 
1186  void setInit(Stmt *S) { SubExprs[INIT] = S; }
1187  void setCond(Expr *E) { SubExprs[COND] = reinterpret_cast<Stmt*>(E); }
1188  void setInc(Expr *E) { SubExprs[INC] = reinterpret_cast<Stmt*>(E); }
1189  void setBody(Stmt *S) { SubExprs[BODY] = S; }
1190 
1191  SourceLocation getForLoc() const { return ForLoc; }
1192  void setForLoc(SourceLocation L) { ForLoc = L; }
1193  SourceLocation getLParenLoc() const { return LParenLoc; }
1194  void setLParenLoc(SourceLocation L) { LParenLoc = L; }
1195  SourceLocation getRParenLoc() const { return RParenLoc; }
1196  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1197 
1198  SourceLocation getLocStart() const LLVM_READONLY { return ForLoc; }
1199  SourceLocation getLocEnd() const LLVM_READONLY {
1200  return SubExprs[BODY]->getLocEnd();
1201  }
1202 
1203  static bool classof(const Stmt *T) {
1204  return T->getStmtClass() == ForStmtClass;
1205  }
1206 
1207  // Iterators
1208  child_range children() {
1209  return child_range(&SubExprs[0], &SubExprs[0]+END_EXPR);
1210  }
1211 };
1212 
1213 /// GotoStmt - This represents a direct goto.
1214 ///
1215 class GotoStmt : public Stmt {
1216  LabelDecl *Label;
1217  SourceLocation GotoLoc;
1218  SourceLocation LabelLoc;
1219 public:
1221  : Stmt(GotoStmtClass), Label(label), GotoLoc(GL), LabelLoc(LL) {}
1222 
1223  /// \brief Build an empty goto statement.
1224  explicit GotoStmt(EmptyShell Empty) : Stmt(GotoStmtClass, Empty) { }
1225 
1226  LabelDecl *getLabel() const { return Label; }
1227  void setLabel(LabelDecl *D) { Label = D; }
1228 
1229  SourceLocation getGotoLoc() const { return GotoLoc; }
1230  void setGotoLoc(SourceLocation L) { GotoLoc = L; }
1231  SourceLocation getLabelLoc() const { return LabelLoc; }
1232  void setLabelLoc(SourceLocation L) { LabelLoc = L; }
1233 
1234  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
1235  SourceLocation getLocEnd() const LLVM_READONLY { return LabelLoc; }
1236 
1237  static bool classof(const Stmt *T) {
1238  return T->getStmtClass() == GotoStmtClass;
1239  }
1240 
1241  // Iterators
1242  child_range children() { return child_range(); }
1243 };
1244 
1245 /// IndirectGotoStmt - This represents an indirect goto.
1246 ///
1247 class IndirectGotoStmt : public Stmt {
1248  SourceLocation GotoLoc;
1249  SourceLocation StarLoc;
1250  Stmt *Target;
1251 public:
1253  Expr *target)
1254  : Stmt(IndirectGotoStmtClass), GotoLoc(gotoLoc), StarLoc(starLoc),
1255  Target((Stmt*)target) {}
1256 
1257  /// \brief Build an empty indirect goto statement.
1258  explicit IndirectGotoStmt(EmptyShell Empty)
1259  : Stmt(IndirectGotoStmtClass, Empty) { }
1260 
1261  void setGotoLoc(SourceLocation L) { GotoLoc = L; }
1262  SourceLocation getGotoLoc() const { return GotoLoc; }
1263  void setStarLoc(SourceLocation L) { StarLoc = L; }
1264  SourceLocation getStarLoc() const { return StarLoc; }
1265 
1266  Expr *getTarget() { return reinterpret_cast<Expr*>(Target); }
1267  const Expr *getTarget() const {return reinterpret_cast<const Expr*>(Target);}
1268  void setTarget(Expr *E) { Target = reinterpret_cast<Stmt*>(E); }
1269 
1270  /// getConstantTarget - Returns the fixed target of this indirect
1271  /// goto, if one exists.
1272  LabelDecl *getConstantTarget();
1273  const LabelDecl *getConstantTarget() const {
1274  return const_cast<IndirectGotoStmt*>(this)->getConstantTarget();
1275  }
1276 
1277  SourceLocation getLocStart() const LLVM_READONLY { return GotoLoc; }
1278  SourceLocation getLocEnd() const LLVM_READONLY { return Target->getLocEnd(); }
1279 
1280  static bool classof(const Stmt *T) {
1281  return T->getStmtClass() == IndirectGotoStmtClass;
1282  }
1283 
1284  // Iterators
1285  child_range children() { return child_range(&Target, &Target+1); }
1286 };
1287 
1288 
1289 /// ContinueStmt - This represents a continue.
1290 ///
1291 class ContinueStmt : public Stmt {
1292  SourceLocation ContinueLoc;
1293 public:
1294  ContinueStmt(SourceLocation CL) : Stmt(ContinueStmtClass), ContinueLoc(CL) {}
1295 
1296  /// \brief Build an empty continue statement.
1297  explicit ContinueStmt(EmptyShell Empty) : Stmt(ContinueStmtClass, Empty) { }
1298 
1299  SourceLocation getContinueLoc() const { return ContinueLoc; }
1300  void setContinueLoc(SourceLocation L) { ContinueLoc = L; }
1301 
1302  SourceLocation getLocStart() const LLVM_READONLY { return ContinueLoc; }
1303  SourceLocation getLocEnd() const LLVM_READONLY { return ContinueLoc; }
1304 
1305  static bool classof(const Stmt *T) {
1306  return T->getStmtClass() == ContinueStmtClass;
1307  }
1308 
1309  // Iterators
1310  child_range children() { return child_range(); }
1311 };
1312 
1313 /// BreakStmt - This represents a break.
1314 ///
1315 class BreakStmt : public Stmt {
1316  SourceLocation BreakLoc;
1317 
1318 public:
1319  BreakStmt(SourceLocation BL) : Stmt(BreakStmtClass), BreakLoc(BL) {
1320  static_assert(sizeof(BreakStmt) == 2 * sizeof(SourceLocation),
1321  "BreakStmt too large");
1322  }
1323 
1324  /// \brief Build an empty break statement.
1325  explicit BreakStmt(EmptyShell Empty) : Stmt(BreakStmtClass, Empty) { }
1326 
1327  SourceLocation getBreakLoc() const { return BreakLoc; }
1328  void setBreakLoc(SourceLocation L) { BreakLoc = L; }
1329 
1330  SourceLocation getLocStart() const LLVM_READONLY { return BreakLoc; }
1331  SourceLocation getLocEnd() const LLVM_READONLY { return BreakLoc; }
1332 
1333  static bool classof(const Stmt *T) {
1334  return T->getStmtClass() == BreakStmtClass;
1335  }
1336 
1337  // Iterators
1338  child_range children() { return child_range(); }
1339 };
1340 
1341 
1342 /// ReturnStmt - This represents a return, optionally of an expression:
1343 /// return;
1344 /// return 4;
1345 ///
1346 /// Note that GCC allows return with no argument in a function declared to
1347 /// return a value, and it allows returning a value in functions declared to
1348 /// return void. We explicitly model this in the AST, which means you can't
1349 /// depend on the return type of the function and the presence of an argument.
1350 ///
1351 class ReturnStmt : public Stmt {
1352  SourceLocation RetLoc;
1353  Stmt *RetExpr;
1354  const VarDecl *NRVOCandidate;
1355 
1356 public:
1357  explicit ReturnStmt(SourceLocation RL) : ReturnStmt(RL, nullptr, nullptr) {}
1358 
1359  ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate)
1360  : Stmt(ReturnStmtClass), RetLoc(RL), RetExpr((Stmt *)E),
1361  NRVOCandidate(NRVOCandidate) {}
1362 
1363  /// \brief Build an empty return expression.
1364  explicit ReturnStmt(EmptyShell Empty) : Stmt(ReturnStmtClass, Empty) { }
1365 
1366  const Expr *getRetValue() const;
1367  Expr *getRetValue();
1368  void setRetValue(Expr *E) { RetExpr = reinterpret_cast<Stmt*>(E); }
1369 
1370  SourceLocation getReturnLoc() const { return RetLoc; }
1371  void setReturnLoc(SourceLocation L) { RetLoc = L; }
1372 
1373  /// \brief Retrieve the variable that might be used for the named return
1374  /// value optimization.
1375  ///
1376  /// The optimization itself can only be performed if the variable is
1377  /// also marked as an NRVO object.
1378  const VarDecl *getNRVOCandidate() const { return NRVOCandidate; }
1379  void setNRVOCandidate(const VarDecl *Var) { NRVOCandidate = Var; }
1380 
1381  SourceLocation getLocStart() const LLVM_READONLY { return RetLoc; }
1382  SourceLocation getLocEnd() const LLVM_READONLY {
1383  return RetExpr ? RetExpr->getLocEnd() : RetLoc;
1384  }
1385 
1386  static bool classof(const Stmt *T) {
1387  return T->getStmtClass() == ReturnStmtClass;
1388  }
1389 
1390  // Iterators
1391  child_range children() {
1392  if (RetExpr) return child_range(&RetExpr, &RetExpr+1);
1393  return child_range();
1394  }
1395 };
1396 
1397 /// AsmStmt is the base class for GCCAsmStmt and MSAsmStmt.
1398 ///
1399 class AsmStmt : public Stmt {
1400 protected:
1402  /// \brief True if the assembly statement does not have any input or output
1403  /// operands.
1404  bool IsSimple;
1405 
1406  /// \brief If true, treat this inline assembly as having side effects.
1407  /// This assembly statement should not be optimized, deleted or moved.
1409 
1410  unsigned NumOutputs;
1411  unsigned NumInputs;
1412  unsigned NumClobbers;
1413 
1415 
1416  AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile,
1417  unsigned numoutputs, unsigned numinputs, unsigned numclobbers) :
1418  Stmt (SC), AsmLoc(asmloc), IsSimple(issimple), IsVolatile(isvolatile),
1419  NumOutputs(numoutputs), NumInputs(numinputs), NumClobbers(numclobbers) { }
1420 
1421  friend class ASTStmtReader;
1422 
1423 public:
1424  /// \brief Build an empty inline-assembly statement.
1425  explicit AsmStmt(StmtClass SC, EmptyShell Empty) :
1426  Stmt(SC, Empty), Exprs(nullptr) { }
1427 
1428  SourceLocation getAsmLoc() const { return AsmLoc; }
1429  void setAsmLoc(SourceLocation L) { AsmLoc = L; }
1430 
1431  bool isSimple() const { return IsSimple; }
1432  void setSimple(bool V) { IsSimple = V; }
1433 
1434  bool isVolatile() const { return IsVolatile; }
1435  void setVolatile(bool V) { IsVolatile = V; }
1436 
1437  SourceLocation getLocStart() const LLVM_READONLY { return SourceLocation(); }
1438  SourceLocation getLocEnd() const LLVM_READONLY { return SourceLocation(); }
1439 
1440  //===--- Asm String Analysis ---===//
1441 
1442  /// Assemble final IR asm string.
1443  std::string generateAsmString(const ASTContext &C) const;
1444 
1445  //===--- Output operands ---===//
1446 
1447  unsigned getNumOutputs() const { return NumOutputs; }
1448 
1449  /// getOutputConstraint - Return the constraint string for the specified
1450  /// output operand. All output constraints are known to be non-empty (either
1451  /// '=' or '+').
1452  StringRef getOutputConstraint(unsigned i) const;
1453 
1454  /// isOutputPlusConstraint - Return true if the specified output constraint
1455  /// is a "+" constraint (which is both an input and an output) or false if it
1456  /// is an "=" constraint (just an output).
1457  bool isOutputPlusConstraint(unsigned i) const {
1458  return getOutputConstraint(i)[0] == '+';
1459  }
1460 
1461  const Expr *getOutputExpr(unsigned i) const;
1462 
1463  /// getNumPlusOperands - Return the number of output operands that have a "+"
1464  /// constraint.
1465  unsigned getNumPlusOperands() const;
1466 
1467  //===--- Input operands ---===//
1468 
1469  unsigned getNumInputs() const { return NumInputs; }
1470 
1471  /// getInputConstraint - Return the specified input constraint. Unlike output
1472  /// constraints, these can be empty.
1473  StringRef getInputConstraint(unsigned i) const;
1474 
1475  const Expr *getInputExpr(unsigned i) const;
1476 
1477  //===--- Other ---===//
1478 
1479  unsigned getNumClobbers() const { return NumClobbers; }
1480  StringRef getClobber(unsigned i) const;
1481 
1482  static bool classof(const Stmt *T) {
1483  return T->getStmtClass() == GCCAsmStmtClass ||
1484  T->getStmtClass() == MSAsmStmtClass;
1485  }
1486 
1487  // Input expr iterators.
1488 
1491  typedef llvm::iterator_range<inputs_iterator> inputs_range;
1492  typedef llvm::iterator_range<const_inputs_iterator> inputs_const_range;
1493 
1495  return &Exprs[0] + NumOutputs;
1496  }
1497 
1499  return &Exprs[0] + NumOutputs + NumInputs;
1500  }
1501 
1502  inputs_range inputs() { return inputs_range(begin_inputs(), end_inputs()); }
1503 
1505  return &Exprs[0] + NumOutputs;
1506  }
1507 
1509  return &Exprs[0] + NumOutputs + NumInputs;
1510  }
1511 
1513  return inputs_const_range(begin_inputs(), end_inputs());
1514  }
1515 
1516  // Output expr iterators.
1517 
1520  typedef llvm::iterator_range<outputs_iterator> outputs_range;
1521  typedef llvm::iterator_range<const_outputs_iterator> outputs_const_range;
1522 
1524  return &Exprs[0];
1525  }
1527  return &Exprs[0] + NumOutputs;
1528  }
1530  return outputs_range(begin_outputs(), end_outputs());
1531  }
1532 
1534  return &Exprs[0];
1535  }
1537  return &Exprs[0] + NumOutputs;
1538  }
1540  return outputs_const_range(begin_outputs(), end_outputs());
1541  }
1542 
1543  child_range children() {
1544  return child_range(&Exprs[0], &Exprs[0] + NumOutputs + NumInputs);
1545  }
1546 };
1547 
1548 /// This represents a GCC inline-assembly statement extension.
1549 ///
1550 class GCCAsmStmt : public AsmStmt {
1551  SourceLocation RParenLoc;
1552  StringLiteral *AsmStr;
1553 
1554  // FIXME: If we wanted to, we could allocate all of these in one big array.
1555  StringLiteral **Constraints;
1556  StringLiteral **Clobbers;
1557  IdentifierInfo **Names;
1558 
1559  friend class ASTStmtReader;
1560 
1561 public:
1562  GCCAsmStmt(const ASTContext &C, SourceLocation asmloc, bool issimple,
1563  bool isvolatile, unsigned numoutputs, unsigned numinputs,
1564  IdentifierInfo **names, StringLiteral **constraints, Expr **exprs,
1565  StringLiteral *asmstr, unsigned numclobbers,
1566  StringLiteral **clobbers, SourceLocation rparenloc);
1567 
1568  /// \brief Build an empty inline-assembly statement.
1569  explicit GCCAsmStmt(EmptyShell Empty) : AsmStmt(GCCAsmStmtClass, Empty),
1570  Constraints(nullptr), Clobbers(nullptr), Names(nullptr) { }
1571 
1572  SourceLocation getRParenLoc() const { return RParenLoc; }
1573  void setRParenLoc(SourceLocation L) { RParenLoc = L; }
1574 
1575  //===--- Asm String Analysis ---===//
1576 
1577  const StringLiteral *getAsmString() const { return AsmStr; }
1578  StringLiteral *getAsmString() { return AsmStr; }
1579  void setAsmString(StringLiteral *E) { AsmStr = E; }
1580 
1581  /// AsmStringPiece - this is part of a decomposed asm string specification
1582  /// (for use with the AnalyzeAsmString function below). An asm string is
1583  /// considered to be a concatenation of these parts.
1585  public:
1586  enum Kind {
1587  String, // String in .ll asm string form, "$" -> "$$" and "%%" -> "%".
1588  Operand // Operand reference, with optional modifier %c4.
1589  };
1590  private:
1591  Kind MyKind;
1592  std::string Str;
1593  unsigned OperandNo;
1594 
1595  // Source range for operand references.
1596  CharSourceRange Range;
1597  public:
1598  AsmStringPiece(const std::string &S) : MyKind(String), Str(S) {}
1599  AsmStringPiece(unsigned OpNo, const std::string &S, SourceLocation Begin,
1601  : MyKind(Operand), Str(S), OperandNo(OpNo),
1602  Range(CharSourceRange::getCharRange(Begin, End)) {
1603  }
1604 
1605  bool isString() const { return MyKind == String; }
1606  bool isOperand() const { return MyKind == Operand; }
1607 
1608  const std::string &getString() const {
1609  return Str;
1610  }
1611 
1612  unsigned getOperandNo() const {
1613  assert(isOperand());
1614  return OperandNo;
1615  }
1616 
1618  assert(isOperand() && "Range is currently used only for Operands.");
1619  return Range;
1620  }
1621 
1622  /// getModifier - Get the modifier for this operand, if present. This
1623  /// returns '\0' if there was no modifier.
1624  char getModifier() const;
1625  };
1626 
1627  /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing
1628  /// it into pieces. If the asm string is erroneous, emit errors and return
1629  /// true, otherwise return false. This handles canonicalization and
1630  /// translation of strings from GCC syntax to LLVM IR syntax, and handles
1631  //// flattening of named references like %[foo] to Operand AsmStringPiece's.
1632  unsigned AnalyzeAsmString(SmallVectorImpl<AsmStringPiece> &Pieces,
1633  const ASTContext &C, unsigned &DiagOffs) const;
1634 
1635  /// Assemble final IR asm string.
1636  std::string generateAsmString(const ASTContext &C) const;
1637 
1638  //===--- Output operands ---===//
1639 
1641  return Names[i];
1642  }
1643 
1644  StringRef getOutputName(unsigned i) const {
1645  if (IdentifierInfo *II = getOutputIdentifier(i))
1646  return II->getName();
1647 
1648  return StringRef();
1649  }
1650 
1651  StringRef getOutputConstraint(unsigned i) const;
1652 
1653  const StringLiteral *getOutputConstraintLiteral(unsigned i) const {
1654  return Constraints[i];
1655  }
1657  return Constraints[i];
1658  }
1659 
1660  Expr *getOutputExpr(unsigned i);
1661 
1662  const Expr *getOutputExpr(unsigned i) const {
1663  return const_cast<GCCAsmStmt*>(this)->getOutputExpr(i);
1664  }
1665 
1666  //===--- Input operands ---===//
1667 
1668  IdentifierInfo *getInputIdentifier(unsigned i) const {
1669  return Names[i + NumOutputs];
1670  }
1671 
1672  StringRef getInputName(unsigned i) const {
1673  if (IdentifierInfo *II = getInputIdentifier(i))
1674  return II->getName();
1675 
1676  return StringRef();
1677  }
1678 
1679  StringRef getInputConstraint(unsigned i) const;
1680 
1681  const StringLiteral *getInputConstraintLiteral(unsigned i) const {
1682  return Constraints[i + NumOutputs];
1683  }
1685  return Constraints[i + NumOutputs];
1686  }
1687 
1688  Expr *getInputExpr(unsigned i);
1689  void setInputExpr(unsigned i, Expr *E);
1690 
1691  const Expr *getInputExpr(unsigned i) const {
1692  return const_cast<GCCAsmStmt*>(this)->getInputExpr(i);
1693  }
1694 
1695 private:
1696  void setOutputsAndInputsAndClobbers(const ASTContext &C,
1697  IdentifierInfo **Names,
1698  StringLiteral **Constraints,
1699  Stmt **Exprs,
1700  unsigned NumOutputs,
1701  unsigned NumInputs,
1702  StringLiteral **Clobbers,
1703  unsigned NumClobbers);
1704 public:
1705 
1706  //===--- Other ---===//
1707 
1708  /// getNamedOperand - Given a symbolic operand reference like %[foo],
1709  /// translate this into a numeric value needed to reference the same operand.
1710  /// This returns -1 if the operand name is invalid.
1711  int getNamedOperand(StringRef SymbolicName) const;
1712 
1713  StringRef getClobber(unsigned i) const;
1714  StringLiteral *getClobberStringLiteral(unsigned i) { return Clobbers[i]; }
1715  const StringLiteral *getClobberStringLiteral(unsigned i) const {
1716  return Clobbers[i];
1717  }
1718 
1719  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
1720  SourceLocation getLocEnd() const LLVM_READONLY { return RParenLoc; }
1721 
1722  static bool classof(const Stmt *T) {
1723  return T->getStmtClass() == GCCAsmStmtClass;
1724  }
1725 };
1726 
1727 /// This represents a Microsoft inline-assembly statement extension.
1728 ///
1729 class MSAsmStmt : public AsmStmt {
1730  SourceLocation LBraceLoc, EndLoc;
1731  StringRef AsmStr;
1732 
1733  unsigned NumAsmToks;
1734 
1735  Token *AsmToks;
1736  StringRef *Constraints;
1737  StringRef *Clobbers;
1738 
1739  friend class ASTStmtReader;
1740 
1741 public:
1742  MSAsmStmt(const ASTContext &C, SourceLocation asmloc,
1743  SourceLocation lbraceloc, bool issimple, bool isvolatile,
1744  ArrayRef<Token> asmtoks, unsigned numoutputs, unsigned numinputs,
1745  ArrayRef<StringRef> constraints,
1746  ArrayRef<Expr*> exprs, StringRef asmstr,
1747  ArrayRef<StringRef> clobbers, SourceLocation endloc);
1748 
1749  /// \brief Build an empty MS-style inline-assembly statement.
1750  explicit MSAsmStmt(EmptyShell Empty) : AsmStmt(MSAsmStmtClass, Empty),
1751  NumAsmToks(0), AsmToks(nullptr), Constraints(nullptr), Clobbers(nullptr) { }
1752 
1753  SourceLocation getLBraceLoc() const { return LBraceLoc; }
1754  void setLBraceLoc(SourceLocation L) { LBraceLoc = L; }
1755  SourceLocation getEndLoc() const { return EndLoc; }
1756  void setEndLoc(SourceLocation L) { EndLoc = L; }
1757 
1758  bool hasBraces() const { return LBraceLoc.isValid(); }
1759 
1760  unsigned getNumAsmToks() { return NumAsmToks; }
1761  Token *getAsmToks() { return AsmToks; }
1762 
1763  //===--- Asm String Analysis ---===//
1764  StringRef getAsmString() const { return AsmStr; }
1765 
1766  /// Assemble final IR asm string.
1767  std::string generateAsmString(const ASTContext &C) const;
1768 
1769  //===--- Output operands ---===//
1770 
1771  StringRef getOutputConstraint(unsigned i) const {
1772  assert(i < NumOutputs);
1773  return Constraints[i];
1774  }
1775 
1776  Expr *getOutputExpr(unsigned i);
1777 
1778  const Expr *getOutputExpr(unsigned i) const {
1779  return const_cast<MSAsmStmt*>(this)->getOutputExpr(i);
1780  }
1781 
1782  //===--- Input operands ---===//
1783 
1784  StringRef getInputConstraint(unsigned i) const {
1785  assert(i < NumInputs);
1786  return Constraints[i + NumOutputs];
1787  }
1788 
1789  Expr *getInputExpr(unsigned i);
1790  void setInputExpr(unsigned i, Expr *E);
1791 
1792  const Expr *getInputExpr(unsigned i) const {
1793  return const_cast<MSAsmStmt*>(this)->getInputExpr(i);
1794  }
1795 
1796  //===--- Other ---===//
1797 
1799  return llvm::makeArrayRef(Constraints, NumInputs + NumOutputs);
1800  }
1802  return llvm::makeArrayRef(Clobbers, NumClobbers);
1803  }
1805  return llvm::makeArrayRef(reinterpret_cast<Expr**>(Exprs),
1806  NumInputs + NumOutputs);
1807  }
1808 
1809  StringRef getClobber(unsigned i) const { return getClobbers()[i]; }
1810 
1811 private:
1812  void initialize(const ASTContext &C, StringRef AsmString,
1813  ArrayRef<Token> AsmToks, ArrayRef<StringRef> Constraints,
1814  ArrayRef<Expr*> Exprs, ArrayRef<StringRef> Clobbers);
1815 public:
1816 
1817  SourceLocation getLocStart() const LLVM_READONLY { return AsmLoc; }
1818  SourceLocation getLocEnd() const LLVM_READONLY { return EndLoc; }
1819 
1820  static bool classof(const Stmt *T) {
1821  return T->getStmtClass() == MSAsmStmtClass;
1822  }
1823 
1824  child_range children() {
1825  return child_range(&Exprs[0], &Exprs[NumInputs + NumOutputs]);
1826  }
1827 };
1828 
1829 class SEHExceptStmt : public Stmt {
1830  SourceLocation Loc;
1831  Stmt *Children[2];
1832 
1833  enum { FILTER_EXPR, BLOCK };
1834 
1836  Expr *FilterExpr,
1837  Stmt *Block);
1838 
1839  friend class ASTReader;
1840  friend class ASTStmtReader;
1841  explicit SEHExceptStmt(EmptyShell E) : Stmt(SEHExceptStmtClass, E) { }
1842 
1843 public:
1844  static SEHExceptStmt* Create(const ASTContext &C,
1845  SourceLocation ExceptLoc,
1846  Expr *FilterExpr,
1847  Stmt *Block);
1848 
1849  SourceLocation getLocStart() const LLVM_READONLY { return getExceptLoc(); }
1850  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1851 
1852  SourceLocation getExceptLoc() const { return Loc; }
1853  SourceLocation getEndLoc() const { return getBlock()->getLocEnd(); }
1854 
1855  Expr *getFilterExpr() const {
1856  return reinterpret_cast<Expr*>(Children[FILTER_EXPR]);
1857  }
1858 
1860  return cast<CompoundStmt>(Children[BLOCK]);
1861  }
1862 
1863  child_range children() {
1864  return child_range(Children,Children+2);
1865  }
1866 
1867  static bool classof(const Stmt *T) {
1868  return T->getStmtClass() == SEHExceptStmtClass;
1869  }
1870 
1871 };
1872 
1873 class SEHFinallyStmt : public Stmt {
1874  SourceLocation Loc;
1875  Stmt *Block;
1876 
1878  Stmt *Block);
1879 
1880  friend class ASTReader;
1881  friend class ASTStmtReader;
1882  explicit SEHFinallyStmt(EmptyShell E) : Stmt(SEHFinallyStmtClass, E) { }
1883 
1884 public:
1885  static SEHFinallyStmt* Create(const ASTContext &C,
1886  SourceLocation FinallyLoc,
1887  Stmt *Block);
1888 
1889  SourceLocation getLocStart() const LLVM_READONLY { return getFinallyLoc(); }
1890  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1891 
1892  SourceLocation getFinallyLoc() const { return Loc; }
1893  SourceLocation getEndLoc() const { return Block->getLocEnd(); }
1894 
1895  CompoundStmt *getBlock() const { return cast<CompoundStmt>(Block); }
1896 
1897  child_range children() {
1898  return child_range(&Block,&Block+1);
1899  }
1900 
1901  static bool classof(const Stmt *T) {
1902  return T->getStmtClass() == SEHFinallyStmtClass;
1903  }
1904 
1905 };
1906 
1907 class SEHTryStmt : public Stmt {
1908  bool IsCXXTry;
1909  SourceLocation TryLoc;
1910  Stmt *Children[2];
1911 
1912  enum { TRY = 0, HANDLER = 1 };
1913 
1914  SEHTryStmt(bool isCXXTry, // true if 'try' otherwise '__try'
1915  SourceLocation TryLoc,
1916  Stmt *TryBlock,
1917  Stmt *Handler);
1918 
1919  friend class ASTReader;
1920  friend class ASTStmtReader;
1921  explicit SEHTryStmt(EmptyShell E) : Stmt(SEHTryStmtClass, E) { }
1922 
1923 public:
1924  static SEHTryStmt* Create(const ASTContext &C, bool isCXXTry,
1925  SourceLocation TryLoc, Stmt *TryBlock,
1926  Stmt *Handler);
1927 
1928  SourceLocation getLocStart() const LLVM_READONLY { return getTryLoc(); }
1929  SourceLocation getLocEnd() const LLVM_READONLY { return getEndLoc(); }
1930 
1931  SourceLocation getTryLoc() const { return TryLoc; }
1932  SourceLocation getEndLoc() const { return Children[HANDLER]->getLocEnd(); }
1933 
1934  bool getIsCXXTry() const { return IsCXXTry; }
1935 
1937  return cast<CompoundStmt>(Children[TRY]);
1938  }
1939 
1940  Stmt *getHandler() const { return Children[HANDLER]; }
1941 
1942  /// Returns 0 if not defined
1943  SEHExceptStmt *getExceptHandler() const;
1944  SEHFinallyStmt *getFinallyHandler() const;
1945 
1946  child_range children() {
1947  return child_range(Children,Children+2);
1948  }
1949 
1950  static bool classof(const Stmt *T) {
1951  return T->getStmtClass() == SEHTryStmtClass;
1952  }
1953 };
1954 
1955 /// Represents a __leave statement.
1956 ///
1957 class SEHLeaveStmt : public Stmt {
1958  SourceLocation LeaveLoc;
1959 public:
1961  : Stmt(SEHLeaveStmtClass), LeaveLoc(LL) {}
1962 
1963  /// \brief Build an empty __leave statement.
1964  explicit SEHLeaveStmt(EmptyShell Empty) : Stmt(SEHLeaveStmtClass, Empty) { }
1965 
1966  SourceLocation getLeaveLoc() const { return LeaveLoc; }
1967  void setLeaveLoc(SourceLocation L) { LeaveLoc = L; }
1968 
1969  SourceLocation getLocStart() const LLVM_READONLY { return LeaveLoc; }
1970  SourceLocation getLocEnd() const LLVM_READONLY { return LeaveLoc; }
1971 
1972  static bool classof(const Stmt *T) {
1973  return T->getStmtClass() == SEHLeaveStmtClass;
1974  }
1975 
1976  // Iterators
1977  child_range children() { return child_range(); }
1978 };
1979 
1980 /// \brief This captures a statement into a function. For example, the following
1981 /// pragma annotated compound statement can be represented as a CapturedStmt,
1982 /// and this compound statement is the body of an anonymous outlined function.
1983 /// @code
1984 /// #pragma omp parallel
1985 /// {
1986 /// compute();
1987 /// }
1988 /// @endcode
1989 class CapturedStmt : public Stmt {
1990 public:
1991  /// \brief The different capture forms: by 'this', by reference, capture for
1992  /// variable-length array type etc.
1997  };
1998 
1999  /// \brief Describes the capture of either a variable, or 'this', or
2000  /// variable-length array type.
2001  class Capture {
2002  llvm::PointerIntPair<VarDecl *, 2, VariableCaptureKind> VarAndKind;
2003  SourceLocation Loc;
2004 
2005  public:
2006  /// \brief Create a new capture.
2007  ///
2008  /// \param Loc The source location associated with this capture.
2009  ///
2010  /// \param Kind The kind of capture (this, ByRef, ...).
2011  ///
2012  /// \param Var The variable being captured, or null if capturing this.
2013  ///
2015  VarDecl *Var = nullptr)
2016  : VarAndKind(Var, Kind), Loc(Loc) {
2017  switch (Kind) {
2018  case VCK_This:
2019  assert(!Var && "'this' capture cannot have a variable!");
2020  break;
2021  case VCK_ByRef:
2022  assert(Var && "capturing by reference must have a variable!");
2023  break;
2024  case VCK_VLAType:
2025  assert(!Var &&
2026  "Variable-length array type capture cannot have a variable!");
2027  break;
2028  }
2029  }
2030 
2031  /// \brief Determine the kind of capture.
2032  VariableCaptureKind getCaptureKind() const { return VarAndKind.getInt(); }
2033 
2034  /// \brief Retrieve the source location at which the variable or 'this' was
2035  /// first used.
2036  SourceLocation getLocation() const { return Loc; }
2037 
2038  /// \brief Determine whether this capture handles the C++ 'this' pointer.
2039  bool capturesThis() const { return getCaptureKind() == VCK_This; }
2040 
2041  /// \brief Determine whether this capture handles a variable.
2042  bool capturesVariable() const { return getCaptureKind() == VCK_ByRef; }
2043 
2044  /// \brief Determine whether this capture handles a variable-length array
2045  /// type.
2047  return getCaptureKind() == VCK_VLAType;
2048  }
2049 
2050  /// \brief Retrieve the declaration of the variable being captured.
2051  ///
2052  /// This operation is only valid if this capture captures a variable.
2054  assert(capturesVariable() &&
2055  "No variable available for 'this' or VAT capture");
2056  return VarAndKind.getPointer();
2057  }
2058  friend class ASTStmtReader;
2059  };
2060 
2061 private:
2062  /// \brief The number of variable captured, including 'this'.
2063  unsigned NumCaptures;
2064 
2065  /// \brief The pointer part is the implicit the outlined function and the
2066  /// int part is the captured region kind, 'CR_Default' etc.
2067  llvm::PointerIntPair<CapturedDecl *, 1, CapturedRegionKind> CapDeclAndKind;
2068 
2069  /// \brief The record for captured variables, a RecordDecl or CXXRecordDecl.
2070  RecordDecl *TheRecordDecl;
2071 
2072  /// \brief Construct a captured statement.
2074  ArrayRef<Expr *> CaptureInits, CapturedDecl *CD, RecordDecl *RD);
2075 
2076  /// \brief Construct an empty captured statement.
2077  CapturedStmt(EmptyShell Empty, unsigned NumCaptures);
2078 
2079  Stmt **getStoredStmts() const {
2080  return reinterpret_cast<Stmt **>(const_cast<CapturedStmt *>(this) + 1);
2081  }
2082 
2083  Capture *getStoredCaptures() const;
2084 
2085  void setCapturedStmt(Stmt *S) { getStoredStmts()[NumCaptures] = S; }
2086 
2087 public:
2088  static CapturedStmt *Create(const ASTContext &Context, Stmt *S,
2090  ArrayRef<Capture> Captures,
2091  ArrayRef<Expr *> CaptureInits,
2092  CapturedDecl *CD, RecordDecl *RD);
2093 
2094  static CapturedStmt *CreateDeserialized(const ASTContext &Context,
2095  unsigned NumCaptures);
2096 
2097  /// \brief Retrieve the statement being captured.
2098  Stmt *getCapturedStmt() { return getStoredStmts()[NumCaptures]; }
2099  const Stmt *getCapturedStmt() const {
2100  return const_cast<CapturedStmt *>(this)->getCapturedStmt();
2101  }
2102 
2103  /// \brief Retrieve the outlined function declaration.
2104  CapturedDecl *getCapturedDecl() { return CapDeclAndKind.getPointer(); }
2106  return const_cast<CapturedStmt *>(this)->getCapturedDecl();
2107  }
2108 
2109  /// \brief Set the outlined function declaration.
2111  assert(D && "null CapturedDecl");
2112  CapDeclAndKind.setPointer(D);
2113  }
2114 
2115  /// \brief Retrieve the captured region kind.
2117  return CapDeclAndKind.getInt();
2118  }
2119 
2120  /// \brief Set the captured region kind.
2122  CapDeclAndKind.setInt(Kind);
2123  }
2124 
2125  /// \brief Retrieve the record declaration for captured variables.
2126  const RecordDecl *getCapturedRecordDecl() const { return TheRecordDecl; }
2127 
2128  /// \brief Set the record declaration for captured variables.
2130  assert(D && "null RecordDecl");
2131  TheRecordDecl = D;
2132  }
2133 
2134  /// \brief True if this variable has been captured.
2135  bool capturesVariable(const VarDecl *Var) const;
2136 
2137  /// \brief An iterator that walks over the captures.
2140  typedef llvm::iterator_range<capture_iterator> capture_range;
2141  typedef llvm::iterator_range<const_capture_iterator> capture_const_range;
2142 
2144  return capture_range(capture_begin(), capture_end());
2145  }
2147  return capture_const_range(capture_begin(), capture_end());
2148  }
2149 
2150  /// \brief Retrieve an iterator pointing to the first capture.
2151  capture_iterator capture_begin() { return getStoredCaptures(); }
2152  const_capture_iterator capture_begin() const { return getStoredCaptures(); }
2153 
2154  /// \brief Retrieve an iterator pointing past the end of the sequence of
2155  /// captures.
2157  return getStoredCaptures() + NumCaptures;
2158  }
2159 
2160  /// \brief Retrieve the number of captures, including 'this'.
2161  unsigned capture_size() const { return NumCaptures; }
2162 
2163  /// \brief Iterator that walks over the capture initialization arguments.
2165  typedef llvm::iterator_range<capture_init_iterator> capture_init_range;
2166 
2168  return capture_init_range(capture_init_begin(), capture_init_end());
2169  }
2170 
2171  /// \brief Retrieve the first initialization argument.
2173  return reinterpret_cast<Expr **>(getStoredStmts());
2174  }
2175 
2176  /// \brief Retrieve the iterator pointing one past the last initialization
2177  /// argument.
2179  return capture_init_begin() + NumCaptures;
2180  }
2181 
2182  SourceLocation getLocStart() const LLVM_READONLY {
2183  return getCapturedStmt()->getLocStart();
2184  }
2185  SourceLocation getLocEnd() const LLVM_READONLY {
2186  return getCapturedStmt()->getLocEnd();
2187  }
2188  SourceRange getSourceRange() const LLVM_READONLY {
2189  return getCapturedStmt()->getSourceRange();
2190  }
2191 
2192  static bool classof(const Stmt *T) {
2193  return T->getStmtClass() == CapturedStmtClass;
2194  }
2195 
2196  child_range children();
2197 
2198  friend class ASTStmtReader;
2199 };
2200 
2201 } // end namespace clang
2202 
2203 #endif
Expr * getInc()
Definition: Stmt.h:1178
void setThen(Stmt *S)
Definition: Stmt.h:917
GotoStmt(EmptyShell Empty)
Build an empty goto statement.
Definition: Stmt.h:1224
DoStmt(Stmt *body, Expr *cond, SourceLocation DL, SourceLocation WL, SourceLocation RP)
Definition: Stmt.h:1101
static bool classof(const Stmt *T)
Definition: Stmt.h:944
const SwitchCase * getNextSwitchCase() const
Definition: Stmt.h:667
child_range children()
Definition: Stmt.h:1026
Stmt * body_back()
Definition: Stmt.h:589
CapturedDecl * getCapturedDecl()
Retrieve the outlined function declaration.
Definition: Stmt.h:2104
decl_const_range decls() const
Definition: Stmt.h:498
unsigned getNumOutputs() const
Definition: Stmt.h:1447
body_iterator body_end()
Definition: Stmt.h:587
const DeclGroupRef getDeclGroup() const
Definition: Stmt.h:470
bool operator==(const ExprIterator &R) const
Definition: Stmt.h:76
const Stmt * getSubStmt() const
Definition: Stmt.h:764
void setCapturedDecl(CapturedDecl *D)
Set the outlined function declaration.
Definition: Stmt.h:2110
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1850
DefaultStmt(SourceLocation DL, SourceLocation CL, Stmt *substmt)
Definition: Stmt.h:756
void setNRVOCandidate(const VarDecl *Var)
Definition: Stmt.h:1379
bool hasLeadingEmptyMacro() const
Definition: Stmt.h:538
SourceLocation getLParenLoc() const
Definition: Stmt.h:1193
static bool classof(const Stmt *T)
Definition: Stmt.h:1820
SourceLocation getEndLoc() const
Definition: Stmt.h:1932
Expr * getCond()
Definition: Stmt.h:1066
inputs_range inputs()
Definition: Stmt.h:1502
llvm::iterator_range< capture_iterator > capture_range
Definition: Stmt.h:2140
const Stmt * getSubStmt() const
Definition: Stmt.h:867
A type trait used in the implementation of various C++11 and Library TR1 trait templates.
Definition: ExprCXX.h:2083
void setCond(Expr *E)
Definition: Stmt.h:1068
unsigned getNumAsmToks()
Definition: Stmt.h:1760
std::reverse_iterator< body_iterator > reverse_body_iterator
Definition: Stmt.h:611
outputs_iterator end_outputs()
Definition: Stmt.h:1526
IndirectGotoStmt(EmptyShell Empty)
Build an empty indirect goto statement.
Definition: Stmt.h:1258
llvm::iterator_range< outputs_iterator > outputs_range
Definition: Stmt.h:1520
AsmStmt(StmtClass SC, EmptyShell Empty)
Build an empty inline-assembly statement.
Definition: Stmt.h:1425
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:683
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1438
capture_const_range captures() const
Definition: Stmt.h:2146
ContinueStmt(EmptyShell Empty)
Build an empty continue statement.
Definition: Stmt.h:1297
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1573
void setContinueLoc(SourceLocation L)
Definition: Stmt.h:1300
void setDeclGroup(DeclGroupRef DGR)
Definition: Stmt.h:472
DeclGroupRef::iterator decl_iterator
Definition: Stmt.h:492
NullStmt(EmptyShell Empty)
Build an empty null statement.
Definition: Stmt.h:532
Represents an attribute applied to a statement.
Definition: Stmt.h:833
capture_init_range capture_inits() const
Definition: Stmt.h:2167
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1330
void setCond(Expr *E)
Definition: Stmt.h:1113
SourceLocation getIfLoc() const
Definition: Stmt.h:925
Represents a call to a C++ constructor.
Definition: ExprCXX.h:1075
unsigned NumOutputs
Definition: Stmt.h:1410
child_range children()
Definition: Stmt.h:1977
void setSwitchCaseList(SwitchCase *SC)
Set the case list for this switch statement.
Definition: Stmt.h:996
const Stmt * getElse() const
Definition: Stmt.h:918
NullStmt(SourceLocation L, bool hasLeadingEmptyMacro=false)
Definition: Stmt.h:527
void setStartLoc(SourceLocation L)
Definition: Stmt.h:475
void setForLoc(SourceLocation L)
Definition: Stmt.h:1192
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1381
const Stmt * getBody() const
Definition: Stmt.h:1184
SourceLocation getEndLoc() const
Definition: Stmt.h:1755
WhileStmt(EmptyShell Empty)
Build an empty while statement.
Definition: Stmt.h:1047
CompoundStmt * getBlock() const
Definition: Stmt.h:1895
Stmt * getSubStmt()
Definition: Stmt.h:763
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:734
SourceLocation getReturnLoc() const
Definition: Stmt.h:1370
static bool classof(const Stmt *T)
Definition: Stmt.h:636
StringRef getInputConstraint(unsigned i) const
Definition: Stmt.h:1784
void setAsmLoc(SourceLocation L)
Definition: Stmt.h:1429
unsigned size() const
Definition: Stmt.h:580
llvm::iterator_range< capture_init_iterator > capture_init_range
Definition: Stmt.h:2165
SourceLocation getDoLoc() const
Definition: Stmt.h:1118
SourceLocation getRParenLoc() const
Definition: Stmt.h:1572
Stmt * getThen()
Definition: Stmt.h:922
Describes how types, statements, expressions, and declarations should be printed. ...
Definition: PrettyPrinter.h:35
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:540
capture_iterator capture_begin()
Retrieve an iterator pointing to the first capture.
Definition: Stmt.h:2151
static StringRef bytes(const std::vector< T, Allocator > &v)
Definition: ASTWriter.cpp:63
const Stmt * getSubStmt() const
Definition: Stmt.h:813
bool body_empty() const
Definition: Stmt.h:579
const Expr * getOutputExpr(unsigned i) const
Definition: Stmt.h:1662
SourceLocation getDefaultLoc() const
Definition: Stmt.h:767
SourceLocation getEllipsisLoc() const
Definition: Stmt.h:712
ConstExprIterator operator-(size_t i) const
Definition: Stmt.h:92
void setBody(Stmt *S, SourceLocation SL)
Definition: Stmt.h:1001
bool getIsCXXTry() const
Definition: Stmt.h:1934
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1302
void setTarget(Expr *E)
Definition: Stmt.h:1268
static bool classof(const Stmt *T)
Definition: Stmt.h:1950
bool operator==(const ConstExprIterator &R) const
Definition: Stmt.h:97
bool isOutputPlusConstraint(unsigned i) const
Definition: Stmt.h:1457
Represents a C99 designated initializer expression.
Definition: Expr.h:3961
inputs_iterator begin_inputs()
Definition: Stmt.h:1494
Stmt * getBody()
Definition: Stmt.h:1114
const_decl_iterator decl_begin() const
Definition: Stmt.h:503
const Expr * operator*() const
Definition: Expr.cpp:4166
unsigned getNumInputs() const
Definition: Stmt.h:1469
SourceLocation ColonLoc
Definition: Stmt.h:657
outputs_const_range outputs() const
Definition: Stmt.h:1539
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:89
child_range children()
Definition: Stmt.h:1897
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1849
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1889
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:733
LabelStmt(SourceLocation IL, LabelDecl *D, Stmt *substmt)
Definition: Stmt.h:798
const Expr * getRHS() const
Definition: Stmt.h:724
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1969
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1928
SourceLocation getCaseLoc() const
Definition: Stmt.h:710
Stmt * body_front()
Definition: Stmt.h:588
bool operator!=(const ExprIterator &R) const
Definition: Stmt.h:77
void setReturnLoc(SourceLocation L)
Definition: Stmt.h:1371
MSAsmStmt(EmptyShell Empty)
Build an empty MS-style inline-assembly statement.
Definition: Stmt.h:1750
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1818
SourceLocation getLBracLoc() const
Definition: Stmt.h:633
SourceLocation getLBraceLoc() const
Definition: Stmt.h:1753
static bool classof(const Stmt *T)
Definition: Stmt.h:1482
child_range children()
Definition: Stmt.h:1824
void setSubStmt(Stmt *S)
Definition: Stmt.h:729
child_range children()
Definition: Stmt.h:1134
SwitchCase(StmtClass SC, SourceLocation KWLoc, SourceLocation ColonLoc)
Definition: Stmt.h:659
Expr * getFilterExpr() const
Definition: Stmt.h:1855
void addSwitchCase(SwitchCase *SC)
Definition: Stmt.h:1005
child_range children()
Definition: Stmt.h:547
child_range children()
Definition: Stmt.h:1946
SourceLocation getWhileLoc() const
Definition: Stmt.h:1073
void setBody(Stmt *S)
Definition: Stmt.h:992
const VarDecl * getNRVOCandidate() const
Retrieve the variable that might be used for the named return value optimization. ...
Definition: Stmt.h:1378
static bool classof(const Stmt *T)
Definition: Stmt.h:1081
Describes an C or C++ initializer list.
Definition: Expr.h:3759
StmtRange children()
body_const_range body() const
Definition: Stmt.h:599
SwitchCase(StmtClass SC, EmptyShell)
Definition: Stmt.h:663
IdentifierInfo * getOutputIdentifier(unsigned i) const
Definition: Stmt.h:1640
GCCAsmStmt(EmptyShell Empty)
Build an empty inline-assembly statement.
Definition: Stmt.h:1569
child_range children()
Definition: Stmt.h:872
outputs_iterator begin_outputs()
Definition: Stmt.h:1523
Expr * operator[](size_t idx)
Definition: Expr.cpp:4160
void setCond(Expr *E)
Definition: Stmt.h:990
const_capture_iterator capture_begin() const
Definition: Stmt.h:2152
const_child_range children() const
Definition: Stmt.h:645
const Expr * getCond() const
Definition: Stmt.h:1112
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:2185
SourceLocation getRParenLoc() const
Definition: Stmt.h:1123
void setEndLoc(SourceLocation L)
Definition: Stmt.h:477
DeclStmt(EmptyShell Empty)
Build an empty declaration statement.
Definition: Stmt.h:459
Stmt * getBody()
Definition: Stmt.h:1179
ArrayRef< StringRef > getClobbers() const
Definition: Stmt.h:1801
ArrayRef< StringRef > getAllConstraints() const
Definition: Stmt.h:1798
const_reverse_body_iterator body_rbegin() const
Definition: Stmt.h:622
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1277
Stmt * getInit()
Definition: Stmt.h:1158
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1331
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1234
static OMPLinearClause * Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc, ArrayRef< Expr * > VL, ArrayRef< Expr * > IL, Expr *Step, Expr *CalcStep)
Creates clause with a list of variables VL and a linear step Step.
child_range children()
Definition: Stmt.h:820
void setAsmString(StringLiteral *E)
Definition: Stmt.h:1579
static bool classof(const Stmt *T)
Definition: Stmt.h:1386
AsmStmt(StmtClass SC, SourceLocation asmloc, bool issimple, bool isvolatile, unsigned numoutputs, unsigned numinputs, unsigned numclobbers)
Definition: Stmt.h:1416
const DeclStmt * getConditionVariableDeclStmt() const
Definition: Stmt.h:981
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1817
const_outputs_iterator end_outputs() const
Definition: Stmt.h:1536
Expr * getCond()
Definition: Stmt.h:1177
VariableCaptureKind getCaptureKind() const
Determine the kind of capture.
Definition: Stmt.h:2032
void setLHS(Expr *Val)
Definition: Stmt.h:730
void setBody(Stmt *S)
Definition: Stmt.h:1071
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1235
StringLiteral * getClobberStringLiteral(unsigned i)
Definition: Stmt.h:1714
void setCond(Expr *E)
Definition: Stmt.h:1187
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:631
decl_iterator decl_end()
Definition: Stmt.h:502
const RecordDecl * getCapturedRecordDecl() const
Retrieve the record declaration for captured variables.
Definition: Stmt.h:2126
void setEndLoc(SourceLocation L)
Definition: Stmt.h:1756
Represents a C++ member access expression where the actual member referenced could not be resolved be...
Definition: ExprCXX.h:2954
child_range children()
Definition: Stmt.h:641
This represents the body of a CapturedStmt, and serves as its DeclContext.
Definition: Decl.h:3616
Stmt * getBody()
Definition: Stmt.h:991
Expr * operator*() const
Definition: Expr.cpp:4161
SourceLocation getSwitchLoc() const
Definition: Stmt.h:998
unsigned NumClobbers
Definition: Stmt.h:1412
ExprIterator(Stmt **i)
Definition: Stmt.h:66
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1198
llvm::iterator_range< inputs_iterator > inputs_range
Definition: Stmt.h:1491
StringLiteral * getAsmString()
Definition: Stmt.h:1578
void setColonLoc(SourceLocation L)
Definition: Stmt.h:770
child_range children()
Definition: Stmt.h:748
void setBreakLoc(SourceLocation L)
Definition: Stmt.h:1328
SourceLocation getAsmLoc() const
Definition: Stmt.h:1428
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1929
Describes the capture of either a variable, or 'this', or variable-length array type.
Definition: Stmt.h:2001
const Stmt * getBody() const
Definition: Stmt.h:1115
StringRef getAsmString() const
Definition: Stmt.h:1764
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:930
Decl * getSingleDecl()
Definition: Stmt.h:468
static bool classof(const Stmt *T)
Definition: Stmt.h:1280
void setSemiLoc(SourceLocation L)
Definition: Stmt.h:536
SourceLocation getEndLoc() const
Definition: Stmt.h:1893
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1437
Stmt * getHandler() const
Definition: Stmt.h:1940
const Stmt * getBody() const
Definition: Stmt.h:1070
child_range children()
Definition: Stmt.h:1543
bool IsVolatile
If true, treat this inline assembly as having side effects. This assembly statement should not be opt...
Definition: Stmt.h:1408
static bool classof(const Stmt *T)
Definition: Stmt.h:1867
static bool classof(const Stmt *T)
Definition: Stmt.h:1203
ASTContext * Context
const SmallVectorImpl< AnnotatedLine * >::const_iterator End
llvm::iterator_range< const_capture_iterator > capture_const_range
Definition: Stmt.h:2141
ID
Defines the set of possible language-specific address spaces.
Definition: AddressSpaces.h:27
SourceLocation getColonLoc() const
Definition: Stmt.h:714
SourceManager & SM
void setLeaveLoc(SourceLocation L)
Definition: Stmt.h:1967
const Expr * getTarget() const
Definition: Stmt.h:1267
ConstExprIterator & operator++()
Definition: Stmt.h:90
LabelDecl * getDecl() const
Definition: Stmt.h:809
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1124
ConstExprIterator operator+(size_t i) const
Definition: Stmt.h:91
IdentifierInfo * getInputIdentifier(unsigned i) const
Definition: Stmt.h:1668
GotoStmt(LabelDecl *label, SourceLocation GL, SourceLocation LL)
Definition: Stmt.h:1220
SourceRange getSourceRange() const LLVM_READONLY
Definition: Stmt.h:2188
const Stmt * getSubStmt() const
Definition: Stmt.h:727
void setWhileLoc(SourceLocation L)
Definition: Stmt.h:1074
Represents a character-granular source range.
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:869
bool hasBraces() const
Definition: Stmt.h:1758
static bool classof(const Stmt *T)
Definition: Stmt.h:1972
void setLParenLoc(SourceLocation L)
Definition: Stmt.h:1194
ExprIterator operator-(size_t i)
Definition: Stmt.h:69
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1890
const Expr * getInputExpr(unsigned i) const
Definition: Stmt.h:1691
SourceLocation getGotoLoc() const
Definition: Stmt.h:1229
void setInc(Expr *E)
Definition: Stmt.h:1188
Stmt * getBody()
Definition: Stmt.h:1069
SourceLocation KeywordLoc
Definition: Stmt.h:656
void setRetValue(Expr *E)
Definition: Stmt.h:1368
void setBody(Stmt *S)
Definition: Stmt.h:1189
Expr * getRHS()
Definition: Stmt.h:718
void setColonLoc(SourceLocation L)
Definition: Stmt.h:715
ExprIterator outputs_iterator
Definition: Stmt.h:1518
Expr ** capture_init_iterator
Iterator that walks over the capture initialization arguments.
Definition: Stmt.h:2164
FormatToken * Token
child_range children()
Definition: Stmt.h:940
SwitchCase * NextSwitchCase
Definition: Stmt.h:655
static bool classof(const Stmt *T)
Definition: Stmt.h:543
SourceLocation getEndLoc() const
Definition: Stmt.h:476
bool capturesVariableArrayType() const
Determine whether this capture handles a variable-length array type.
Definition: Stmt.h:2046
const SwitchCase * getSwitchCaseList() const
Definition: Stmt.h:987
Defines the clang::IdentifierInfo, clang::IdentifierTable, and clang::Selector interfaces.
StringRef getInputName(unsigned i) const
Definition: Stmt.h:1672
SourceLocation getLabelLoc() const
Definition: Stmt.h:1231
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1970
llvm::iterator_range< decl_iterator > decl_range
Definition: Stmt.h:494
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:1598
ForStmt(EmptyShell Empty)
Build an empty for statement.
Definition: Stmt.h:1156
StringLiteral * getOutputConstraintLiteral(unsigned i)
Definition: Stmt.h:1656
child_range children()
Definition: Stmt.h:1285
SourceLocation getLocation() const
Retrieve the source location at which the variable or 'this' was first used.
Definition: Stmt.h:2036
An expression that sends a message to the given Objective-C object or class.
Definition: ExprObjC.h:858
void setColonLoc(SourceLocation L)
Definition: Stmt.h:676
SwitchCase * getSwitchCaseList()
Definition: Stmt.h:993
const DeclStmt * getConditionVariableDeclStmt() const
Definition: Stmt.h:1173
const DeclStmt * getConditionVariableDeclStmt() const
Definition: Stmt.h:910
signed operator-(const ConstExprIterator &R) const
Definition: Stmt.h:94
child_range children()
Definition: Stmt.h:780
child_range children()
Definition: Stmt.h:1310
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1020
const Expr * getLHS() const
Definition: Stmt.h:721
bool operator>=(const ExprIterator &R) const
Definition: Stmt.h:79
Expr * getCond()
Definition: Stmt.h:921
std::reverse_iterator< const_body_iterator > const_reverse_body_iterator
Definition: Stmt.h:620
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:480
static bool classof(const Stmt *T)
Definition: Stmt.h:1237
const LabelDecl * getConstantTarget() const
Definition: Stmt.h:1273
SourceLocation getSemiLoc() const
Definition: Stmt.h:535
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1127
const Expr * operator->() const
Definition: Expr.cpp:4167
llvm::iterator_range< const_body_iterator > body_const_range
Definition: Stmt.h:597
child_range children()
Definition: Stmt.h:1338
LabelDecl * getLabel() const
Definition: Stmt.h:1226
const_outputs_iterator begin_outputs() const
Definition: Stmt.h:1533
ExprIterator inputs_iterator
Definition: Stmt.h:1489
ArrayRef< Expr * > getAllExprs() const
Definition: Stmt.h:1804
SourceLocation getGotoLoc() const
Definition: Stmt.h:1262
const CapturedDecl * getCapturedDecl() const
Definition: Stmt.h:2105
Capture(SourceLocation Loc, VariableCaptureKind Kind, VarDecl *Var=nullptr)
Create a new capture.
Definition: Stmt.h:2014
void setDecl(LabelDecl *D)
Definition: Stmt.h:810
const StringLiteral * getAsmString() const
Definition: Stmt.h:1577
#define false
Definition: stdbool.h:33
static bool classof(const Stmt *T)
Definition: Stmt.h:2192
Kind
bool operator>(const ConstExprIterator &R) const
Definition: Stmt.h:99
void setElse(Stmt *S)
Definition: Stmt.h:919
A reference to an overloaded function set, either an UnresolvedLookupExpr or an UnresolvedMemberExpr...
Definition: ExprCXX.h:2305
This captures a statement into a function. For example, the following pragma annotated compound state...
Definition: Stmt.h:1989
Token * getAsmToks()
Definition: Stmt.h:1761
void setSubStmt(Stmt *S)
Definition: Stmt.h:765
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:783
void setGotoLoc(SourceLocation L)
Definition: Stmt.h:1261
CaseStmt(Expr *lhs, Expr *rhs, SourceLocation caseLoc, SourceLocation ellipsisLoc, SourceLocation colonLoc)
Definition: Stmt.h:698
Encodes a location in the source. The SourceManager can decode this to get at the full include stack...
SourceLocation getLeaveLoc() const
Definition: Stmt.h:1966
body_range body()
Definition: Stmt.h:585
SEHLeaveStmt(EmptyShell Empty)
Build an empty __leave statement.
Definition: Stmt.h:1964
void setDoLoc(SourceLocation L)
Definition: Stmt.h:1119
const Expr * getOutputExpr(unsigned i) const
Definition: Stmt.h:1778
child_range children()
Definition: Stmt.h:1863
Represents a new-expression for memory allocation and constructor calls, e.g: "new CXXNewExpr(foo)"...
Definition: ExprCXX.h:1623
bool isSingleDecl() const
Definition: Stmt.h:463
Expr * getLHS()
Definition: Stmt.h:717
void setLastStmt(Stmt *S)
Definition: Stmt.h:591
capture_init_iterator capture_init_end() const
Retrieve the iterator pointing one past the last initialization argument.
Definition: Stmt.h:2178
SourceLocation getKeywordLoc() const
Definition: Stmt.h:673
const Stmt * getInit() const
Definition: Stmt.h:1181
void setIdentLoc(SourceLocation L)
Definition: Stmt.h:814
Stmt * getElse()
Definition: Stmt.h:923
CompoundStmt * getBlock() const
Definition: Stmt.h:1859
const Expr * getCond() const
Definition: Stmt.h:985
llvm::iterator_range< body_iterator > body_range
Definition: Stmt.h:583
reverse_body_iterator body_rend()
Definition: Stmt.h:615
const_decl_iterator decl_end() const
Definition: Stmt.h:504
ConstExprIterator(const Stmt *const *i)
Definition: Stmt.h:88
SourceLocation getIdentLoc() const
Definition: Stmt.h:808
CaseStmt(EmptyShell Empty)
Build an empty switch case statement.
Definition: Stmt.h:708
SourceLocation getTryLoc() const
Definition: Stmt.h:1931
Expr * getCond()
Definition: Stmt.h:989
void setAllEnumCasesCovered()
Definition: Stmt.h:1014
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:630
CompoundStmt(SourceLocation Loc)
Definition: Stmt.h:566
const Expr * getCond() const
Definition: Stmt.h:1067
void setCond(Expr *E)
Definition: Stmt.h:915
bool operator>=(const ConstExprIterator &R) const
Definition: Stmt.h:100
bool capturesVariable() const
Determine whether this capture handles a variable.
Definition: Stmt.h:2042
static bool classof(const Stmt *T)
Definition: Stmt.h:1333
ConstExprIterator const_outputs_iterator
Definition: Stmt.h:1519
SourceLocation getEndLoc() const
Definition: Stmt.h:1853
decl_iterator decl_begin()
Definition: Stmt.h:501
SourceLocation getContinueLoc() const
Definition: Stmt.h:1299
reverse_decl_iterator decl_rbegin()
Definition: Stmt.h:507
SEHLeaveStmt(SourceLocation LL)
Definition: Stmt.h:1960
CharSourceRange getRange() const
Definition: Stmt.h:1617
capture_iterator capture_end() const
Retrieve an iterator pointing past the end of the sequence of captures.
Definition: Stmt.h:2156
Stmt * getCapturedStmt()
Retrieve the statement being captured.
Definition: Stmt.h:2098
const_reverse_body_iterator body_rend() const
Definition: Stmt.h:626
void setCaseLoc(SourceLocation L)
Definition: Stmt.h:711
Expr * operator->() const
Definition: Expr.cpp:4162
bool isAllEnumCasesCovered() const
Definition: Stmt.h:1018
StringRef getOutputName(unsigned i) const
Definition: Stmt.h:1644
const_body_iterator body_begin() const
Definition: Stmt.h:602
StringRef getOutputConstraint(unsigned i) const
Definition: Stmt.h:1771
LabelStmt(EmptyShell Empty)
Definition: Stmt.h:806
StringRef getClobber(unsigned i) const
Definition: Stmt.h:1809
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1382
__SIZE_TYPE__ size_t
Definition: stddef.h:62
void setCapturedRecordDecl(RecordDecl *D)
Set the record declaration for captured variables.
Definition: Stmt.h:2129
ExprIterator operator+(size_t i)
Definition: Stmt.h:70
const Decl * getSingleDecl() const
Definition: Stmt.h:467
void setSimple(bool V)
Definition: Stmt.h:1432
A qualified reference to a name whose declaration cannot yet be resolved.
Definition: ExprCXX.h:2609
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1719
const Expr * getInputExpr(unsigned i) const
Definition: Stmt.h:1792
const_body_iterator body_end() const
Definition: Stmt.h:603
IfStmt(EmptyShell Empty)
Build an empty if/then/else statement.
Definition: Stmt.h:895
void setGotoLoc(SourceLocation L)
Definition: Stmt.h:1230
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:479
Stmt ** body_iterator
Definition: Stmt.h:582
llvm::iterator_range< const_outputs_iterator > outputs_const_range
Definition: Stmt.h:1521
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:931
unsigned capture_size() const
Retrieve the number of captures, including 'this'.
Definition: Stmt.h:2161
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1720
const Stmt * getSubStmt() const
Definition: Stmt.h:679
SourceLocation getStarLoc() const
Definition: Stmt.h:1264
const Stmt * body_front() const
Definition: Stmt.h:604
const Expr * getInc() const
Definition: Stmt.h:1183
const Stmt * getBody() const
Definition: Stmt.h:986
Reads an AST files chain containing the contents of a translation unit.
Definition: ASTReader.h:302
bool capturesThis() const
Determine whether this capture handles the C++ 'this' pointer.
Definition: Stmt.h:2039
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1076
ExprIterator & operator++()
Definition: Stmt.h:68
DoStmt(EmptyShell Empty)
Build an empty do-while statement.
Definition: Stmt.h:1109
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1021
const StringLiteral * getClobberStringLiteral(unsigned i) const
Definition: Stmt.h:1715
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:773
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1303
bool operator>(const ExprIterator &R) const
Definition: Stmt.h:78
SwitchCase * getNextSwitchCase()
Definition: Stmt.h:669
const StringLiteral * getOutputConstraintLiteral(unsigned i) const
Definition: Stmt.h:1653
static bool classof(const Stmt *T)
Definition: Stmt.h:1901
SourceLocation getWhileLoc() const
Definition: Stmt.h:1120
void setEllipsisLoc(SourceLocation L)
Definition: Stmt.h:713
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1278
ReturnStmt(SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate)
Definition: Stmt.h:1359
static bool classof(const Stmt *T)
Definition: Stmt.h:1722
BreakStmt(EmptyShell Empty)
Build an empty break statement.
Definition: Stmt.h:1325
child_range children()
Definition: Stmt.h:1242
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:541
body_iterator body_begin()
Definition: Stmt.h:586
Stmt *const * const_body_iterator
Definition: Stmt.h:596
static bool classof(const Stmt *T)
Definition: Stmt.h:482
void setBody(Stmt *S)
Definition: Stmt.h:1116
IndirectGotoStmt(SourceLocation gotoLoc, SourceLocation starLoc, Expr *target)
Definition: Stmt.h:1252
const Stmt * getThen() const
Definition: Stmt.h:916
static bool classof(const OMPClause *T)
llvm::iterator_range< const_decl_iterator > decl_const_range
Definition: Stmt.h:495
void setRHS(Expr *Val)
Definition: Stmt.h:731
void setVolatile(bool V)
Definition: Stmt.h:1435
static bool classof(const Stmt *T)
Definition: Stmt.h:822
DefaultStmt(EmptyShell Empty)
Build an empty default statement.
Definition: Stmt.h:760
reverse_decl_iterator decl_rend()
Definition: Stmt.h:510
StringLiteral * getInputConstraintLiteral(unsigned i)
Definition: Stmt.h:1684
DeclGroupRef getDeclGroup()
Definition: Stmt.h:471
unsigned getOperandNo() const
Definition: Stmt.h:1612
void setSwitchLoc(SourceLocation L)
Definition: Stmt.h:999
DeclGroupRef::const_iterator const_decl_iterator
Definition: Stmt.h:493
static bool classof(const Stmt *T)
Definition: Stmt.h:775
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:870
decl_range decls()
Definition: Stmt.h:497
AsmStringPiece(unsigned OpNo, const std::string &S, SourceLocation Begin, SourceLocation End)
Definition: Stmt.h:1599
bool IsSimple
True if the assembly statement does not have any input or output operands.
Definition: Stmt.h:1404
bool isVolatile() const
Definition: Stmt.h:1434
static bool classof(const Stmt *T)
Definition: Stmt.h:874
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:2182
const DeclStmt * getConditionVariableDeclStmt() const
Definition: Stmt.h:1062
ReturnStmt(SourceLocation RL)
Definition: Stmt.h:1357
SourceLocation getForLoc() const
Definition: Stmt.h:1191
child_range children()
Definition: Stmt.h:1086
const Expr * getCond() const
Definition: Stmt.h:1182
void setStarLoc(SourceLocation L)
Definition: Stmt.h:1263
Describes an explicit type conversion that uses functional notion but could not be resolved because o...
Definition: ExprCXX.h:2848
outputs_range outputs()
Definition: Stmt.h:1529
Stmt ** Exprs
Definition: Stmt.h:1414
ArrayRef< const Attr * > getAttrs() const
Definition: Stmt.h:863
Expr * getTarget()
Definition: Stmt.h:1266
SourceLocation getColonLoc() const
Definition: Stmt.h:675
SourceLocation getAttrLoc() const
Definition: Stmt.h:862
SwitchStmt(EmptyShell Empty)
Build a empty switch statement.
Definition: Stmt.h:965
Expr * getCond()
Definition: Stmt.h:1111
const std::string & getString() const
Definition: Stmt.h:1608
static bool classof(const Stmt *T)
Definition: Stmt.h:1129
const StringLiteral * getInputConstraintLiteral(unsigned i) const
Definition: Stmt.h:1681
Decl *const * const_iterator
Definition: DeclGroup.h:81
SourceLocation getFinallyLoc() const
Definition: Stmt.h:1892
Defines the clang::SourceLocation class and associated facilities.
bool operator!=(const ConstExprIterator &R) const
Definition: Stmt.h:98
const_inputs_iterator end_inputs() const
Definition: Stmt.h:1508
SourceLocation getRParenLoc() const
Definition: Stmt.h:1195
reverse_body_iterator body_rbegin()
Definition: Stmt.h:612
void setLBraceLoc(SourceLocation L)
Definition: Stmt.h:1754
child_range children()
Definition: Stmt.h:487
llvm::iterator_range< const_inputs_iterator > inputs_const_range
Definition: Stmt.h:1492
void setElseLoc(SourceLocation L)
Definition: Stmt.h:928
SourceLocation getBreakLoc() const
Definition: Stmt.h:1327
ContinueStmt(SourceLocation CL)
Definition: Stmt.h:1294
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:1126
void setIfLoc(SourceLocation L)
Definition: Stmt.h:926
SourceLocation getColonLoc() const
Definition: Stmt.h:769
const Expr * getCond() const
Definition: Stmt.h:914
SourceLocation AsmLoc
Definition: Stmt.h:1401
CapturedRegionKind getCapturedRegionKind() const
Retrieve the captured region kind.
Definition: Stmt.h:2116
SourceLocation getElseLoc() const
Definition: Stmt.h:927
static bool classof(const Stmt *T)
Definition: Stmt.h:1305
CompoundStmt(EmptyShell Empty)
Definition: Stmt.h:572
void setDefaultLoc(SourceLocation L)
Definition: Stmt.h:768
const Stmt * body_back() const
Definition: Stmt.h:607
VariableCaptureKind
The different capture forms: by 'this', by reference, capture for variable-length array type etc...
Definition: Stmt.h:1993
const Expr * operator[](size_t idx) const
Definition: Expr.cpp:4163
bool isSimple() const
Definition: Stmt.h:1431
void setCapturedRegionKind(CapturedRegionKind Kind)
Set the captured region kind.
Definition: Stmt.h:2121
static bool classof(const Stmt *T)
Definition: Stmt.h:1030
capture_init_iterator capture_init_begin() const
Retrieve the first initialization argument.
Definition: Stmt.h:2172
void setRParenLoc(SourceLocation L)
Definition: Stmt.h:1196
SourceLocation getRBracLoc() const
Definition: Stmt.h:634
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1077
void setNextSwitchCase(SwitchCase *SC)
Definition: Stmt.h:671
child_range children()
Definition: Stmt.h:1208
capture_range captures()
Definition: Stmt.h:2143
signed operator-(const ExprIterator &R) const
Definition: Stmt.h:73
A reference to a declared variable, function, enum, etc. [C99 6.5.1p2].
Definition: Expr.h:899
Capture * capture_iterator
An iterator that walks over the captures.
Definition: Stmt.h:2138
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:818
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:817
std::reverse_iterator< decl_iterator > reverse_decl_iterator
Definition: Stmt.h:506
void setLabel(LabelDecl *D)
Definition: Stmt.h:1227
static bool classof(const Stmt *T)
Definition: Stmt.h:743
const_inputs_iterator begin_inputs() const
Definition: Stmt.h:1504
const Capture * const_capture_iterator
Definition: Stmt.h:2139
void setSubStmt(Stmt *SS)
Definition: Stmt.h:815
CapturedRegionKind
The different kinds of captured statement.
Definition: CapturedStmt.h:17
Stmt * getSubStmt()
Definition: Stmt.h:812
DeclStmt(DeclGroupRef dg, SourceLocation startLoc, SourceLocation endLoc)
Definition: Stmt.h:454
unsigned getNumClobbers() const
Definition: Stmt.h:1479
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.h:772
A trivial tuple used to represent a source range.
void setInit(Stmt *S)
Definition: Stmt.h:1186
const Stmt * getCapturedStmt() const
Definition: Stmt.h:2099
unsigned NumInputs
Definition: Stmt.h:1411
CompoundStmt * getTryBlock() const
Definition: Stmt.h:1936
VarDecl * getCapturedVar() const
Retrieve the declaration of the variable being captured.
Definition: Stmt.h:2053
SourceLocation getStartLoc() const
Definition: Stmt.h:474
inputs_const_range inputs() const
Definition: Stmt.h:1512
SourceLocation getExceptLoc() const
Definition: Stmt.h:1852
SourceLocation ColonLoc
Location of ':'.
Definition: OpenMPClause.h:260
void setWhileLoc(SourceLocation L)
Definition: Stmt.h:1121
child_range children()
Definition: Stmt.h:1391
This class handles loading and caching of source files into memory.
BreakStmt(SourceLocation BL)
Definition: Stmt.h:1319
Stmt * getSubStmt()
Definition: Stmt.h:866
void setKeywordLoc(SourceLocation L)
Definition: Stmt.h:674
ReturnStmt(EmptyShell Empty)
Build an empty return expression.
Definition: Stmt.h:1364
Attr - This represents one attribute.
Definition: Attr.h:44
SourceLocation getLocEnd() const LLVM_READONLY
Definition: Stmt.h:1199
void setLabelLoc(SourceLocation L)
Definition: Stmt.h:1232
ConstExprIterator const_inputs_iterator
Definition: Stmt.h:1490
#define BLOCK(DERIVED, BASE)
Definition: Template.h:423
Stmt * getSubStmt()
Definition: Stmt.h:719
inputs_iterator end_inputs()
Definition: Stmt.h:1498