ClangASTContext.h revision 673f3dbea64b116166dfa668006cdc84224a27c0 
1//===-- ClangASTContext.h ---------------------------------------*- 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#ifndef liblldb_ClangASTContext_h_
11#define liblldb_ClangASTContext_h_
12
13// C Includes
14// C++ Includes
15#include <string>
16#include <vector>
17#include <memory>
18#include <stdint.h>
19
20// Other libraries and framework includes
21#include "llvm/ADT/OwningPtr.h"
22#include "llvm/ADT/SmallVector.h"
23#include "clang/AST/TemplateBase.h"
24
25
26// Project includes
27#include "lldb/lldb-enumerations.h"
28#include "lldb/Core/ClangForward.h"
29#include "lldb/Symbol/ClangASTType.h"
30
31namespace lldb_private {
32
33class Declaration;
34
35class ClangASTContext
36{
37public:
38    enum {
39        eTypeHasChildren        = (1u <<  0),
40        eTypeHasValue           = (1u <<  1),
41        eTypeIsArray            = (1u <<  2),
42        eTypeIsBlock            = (1u <<  3),
43        eTypeIsBuiltIn          = (1u <<  4),
44        eTypeIsClass            = (1u <<  5),
45        eTypeIsCPlusPlus        = (1u <<  6),
46        eTypeIsEnumeration      = (1u <<  7),
47        eTypeIsFuncPrototype    = (1u <<  8),
48        eTypeIsMember           = (1u <<  9),
49        eTypeIsObjC             = (1u << 10),
50        eTypeIsPointer          = (1u << 11),
51        eTypeIsReference        = (1u << 12),
52        eTypeIsStructUnion      = (1u << 13),
53        eTypeIsTemplate         = (1u << 14),
54        eTypeIsTypedef          = (1u << 15),
55        eTypeIsVector           = (1u << 16),
56        eTypeIsScalar           = (1u << 17)
57    };
58
59    typedef void (*CompleteTagDeclCallback)(void *baton, clang::TagDecl *);
60    typedef void (*CompleteObjCInterfaceDeclCallback)(void *baton, clang::ObjCInterfaceDecl *);
61
62    //------------------------------------------------------------------
63    // Constructors and Destructors
64    //------------------------------------------------------------------
65    ClangASTContext (const char *triple = NULL);
66
67    ~ClangASTContext();
68
69    clang::ASTContext *
70    getASTContext();
71
72    clang::Builtin::Context *
73    getBuiltinContext();
74
75    clang::IdentifierTable *
76    getIdentifierTable();
77
78    clang::LangOptions *
79    getLanguageOptions();
80
81    clang::SelectorTable *
82    getSelectorTable();
83
84    clang::FileManager *
85    getFileManager();
86
87    clang::SourceManager *
88    getSourceManager();
89
90    clang::DiagnosticsEngine *
91    getDiagnosticsEngine();
92
93    clang::DiagnosticConsumer *
94    getDiagnosticConsumer();
95
96    clang::TargetOptions *
97    getTargetOptions();
98
99    clang::TargetInfo *
100    getTargetInfo();
101
102    void
103    Clear();
104
105    const char *
106    GetTargetTriple ();
107
108    void
109    SetTargetTriple (const char *target_triple);
110
111    void
112    SetArchitecture (const ArchSpec &arch);
113
114    bool
115    HasExternalSource ();
116
117    void
118    SetExternalSource (llvm::OwningPtr<clang::ExternalASTSource> &ast_source_ap);
119
120    void
121    RemoveExternalSource ();
122
123    bool
124    GetCompleteType (lldb::clang_type_t clang_type);
125
126    static bool
127    GetCompleteType (clang::ASTContext *ast,
128                     lldb::clang_type_t clang_type);
129
130    bool
131    GetCompleteDecl (clang::Decl *decl)
132    {
133        return ClangASTContext::GetCompleteDecl(getASTContext(), decl);
134    }
135
136    static bool
137    GetCompleteDecl (clang::ASTContext *ast,
138                     clang::Decl *decl);
139
140    //------------------------------------------------------------------
141    // Basic Types
142    //------------------------------------------------------------------
143
144    lldb::clang_type_t
145    GetBuiltinTypeForEncodingAndBitSize (lldb::Encoding encoding,
146                                          uint32_t bit_size);
147
148    static lldb::clang_type_t
149    GetBuiltinTypeForEncodingAndBitSize (clang::ASTContext *ast,
150                                         lldb::Encoding encoding,
151                                         uint32_t bit_size);
152
153    lldb::clang_type_t
154    GetBuiltinTypeForDWARFEncodingAndBitSize (
155        const char *type_name,
156        uint32_t dw_ate,
157        uint32_t bit_size);
158
159    static lldb::clang_type_t
160    GetBuiltInType_void(clang::ASTContext *ast);
161
162    lldb::clang_type_t
163    GetBuiltInType_void()
164    {
165        return GetBuiltInType_void(getASTContext());
166    }
167
168    lldb::clang_type_t
169    GetBuiltInType_bool();
170
171    lldb::clang_type_t
172    GetBuiltInType_objc_id();
173
174    lldb::clang_type_t
175    GetBuiltInType_objc_Class();
176
177    static lldb::clang_type_t
178    GetUnknownAnyType(clang::ASTContext *ast);
179
180    lldb::clang_type_t
181    GetUnknownAnyType()
182    {
183        return ClangASTContext::GetUnknownAnyType(getASTContext());
184    }
185
186    lldb::clang_type_t
187    GetBuiltInType_objc_selector();
188
189    lldb::clang_type_t
190    GetCStringType(bool is_const);
191
192    lldb::clang_type_t
193    GetVoidPtrType(bool is_const);
194
195    static lldb::clang_type_t
196    GetVoidPtrType(clang::ASTContext *ast, bool is_const);
197
198    static clang::DeclContext *
199    GetTranslationUnitDecl (clang::ASTContext *ast);
200
201    clang::DeclContext *
202    GetTranslationUnitDecl ()
203    {
204        return GetTranslationUnitDecl (getASTContext());
205    }
206
207    static lldb::clang_type_t
208    CopyType(clang::ASTContext *dest_context,
209             clang::ASTContext *source_context,
210             lldb::clang_type_t clang_type);
211
212    static clang::Decl *
213    CopyDecl (clang::ASTContext *dest_context,
214              clang::ASTContext *source_context,
215              clang::Decl *source_decl);
216
217    static bool
218    AreTypesSame(clang::ASTContext *ast,
219                 lldb::clang_type_t type1,
220                 lldb::clang_type_t type2);
221
222    bool
223    AreTypesSame(lldb::clang_type_t type1,
224                 lldb::clang_type_t type2)
225    {
226        return ClangASTContext::AreTypesSame(getASTContext(), type1, type2);
227    }
228
229
230    lldb::clang_type_t
231    GetTypeForDecl (clang::TagDecl *decl);
232
233    lldb::clang_type_t
234    GetTypeForDecl (clang::ObjCInterfaceDecl *objc_decl);
235
236    //------------------------------------------------------------------
237    // CVR modifiers
238    //------------------------------------------------------------------
239
240    static lldb::clang_type_t
241    AddConstModifier (lldb::clang_type_t clang_type);
242
243    static lldb::clang_type_t
244    AddRestrictModifier (lldb::clang_type_t clang_type);
245
246    static lldb::clang_type_t
247    AddVolatileModifier (lldb::clang_type_t clang_type);
248
249    //------------------------------------------------------------------
250    // Structure, Unions, Classes
251    //------------------------------------------------------------------
252
253    lldb::clang_type_t
254    CreateRecordType (clang::DeclContext *decl_ctx,
255                      lldb::AccessType access_type,
256                      const char *name,
257                      int kind,
258                      lldb::LanguageType language);
259
260    static clang::FieldDecl *
261    AddFieldToRecordType (clang::ASTContext *ast,
262                          lldb::clang_type_t record_qual_type,
263                          const char *name,
264                          lldb::clang_type_t field_type,
265                          lldb::AccessType access,
266                          uint32_t bitfield_bit_size);
267
268    clang::FieldDecl *
269    AddFieldToRecordType (lldb::clang_type_t record_qual_type,
270                          const char *name,
271                          lldb::clang_type_t field_type,
272                          lldb::AccessType access,
273                          uint32_t bitfield_bit_size)
274    {
275        return ClangASTContext::AddFieldToRecordType (getASTContext(),
276                                                      record_qual_type,
277                                                      name,
278                                                      field_type,
279                                                      access,
280                                                      bitfield_bit_size);
281    }
282
283    static clang::CXXMethodDecl *
284    AddMethodToCXXRecordType (clang::ASTContext *ast,
285                              lldb::clang_type_t record_opaque_type,
286                              const char *name,
287                              lldb::clang_type_t method_type,
288                              lldb::AccessType access,
289                              bool is_virtual,
290                              bool is_static,
291                              bool is_inline,
292                              bool is_explicit,
293                              bool is_attr_used,
294                              bool is_artificial);
295
296    clang::CXXMethodDecl *
297    AddMethodToCXXRecordType (lldb::clang_type_t record_opaque_type,
298                              const char *name,
299                              lldb::clang_type_t method_type,
300                              lldb::AccessType access,
301                              bool is_virtual,
302                              bool is_static,
303                              bool is_inline,
304                              bool is_explicit,
305                              bool is_attr_used,
306                              bool is_artificial)
307
308    {
309        return ClangASTContext::AddMethodToCXXRecordType (getASTContext(),
310                                                          record_opaque_type,
311                                                          name,
312                                                          method_type,
313                                                          access,
314                                                          is_virtual,
315                                                          is_static,
316                                                          is_inline,
317                                                          is_explicit,
318                                                          is_attr_used,
319                                                          is_artificial);
320    }
321
322    class TemplateParameterInfos
323    {
324    public:
325        bool
326        IsValid() const
327        {
328            if (args.empty())
329                return false;
330            return args.size() == names.size();
331        }
332
333        size_t
334        GetSize () const
335        {
336            if (IsValid())
337                return args.size();
338            return 0;
339        }
340
341        llvm::SmallVector<const char *, 8> names;
342        llvm::SmallVector<clang::TemplateArgument, 8> args;
343    };
344
345    clang::ClassTemplateDecl *
346    CreateClassTemplateDecl (clang::DeclContext *decl_ctx,
347                             lldb::AccessType access_type,
348                             const char *class_name,
349                             int kind,
350                             const TemplateParameterInfos &infos);
351
352    clang::ClassTemplateSpecializationDecl *
353    CreateClassTemplateSpecializationDecl (clang::DeclContext *decl_ctx,
354                                           clang::ClassTemplateDecl *class_template_decl,
355                                           int kind,
356                                           const TemplateParameterInfos &infos);
357
358    lldb::clang_type_t
359    CreateClassTemplateSpecializationType (clang::ClassTemplateSpecializationDecl *class_template_specialization_decl);
360
361    static clang::DeclContext *
362    GetAsDeclContext (clang::CXXMethodDecl *cxx_method_decl);
363
364    static clang::DeclContext *
365    GetAsDeclContext (clang::ObjCMethodDecl *objc_method_decl);
366
367
368    static bool
369    CheckOverloadedOperatorKindParameterCount (uint32_t op_kind,
370                                               uint32_t num_params);
371
372    bool
373    FieldIsBitfield (clang::FieldDecl* field,
374                     uint32_t& bitfield_bit_size);
375
376    static bool
377    FieldIsBitfield (clang::ASTContext *ast,
378                     clang::FieldDecl* field,
379                     uint32_t& bitfield_bit_size);
380
381    static bool
382    RecordHasFields (const clang::RecordDecl *record_decl);
383
384    void
385    SetDefaultAccessForRecordFields (lldb::clang_type_t clang_type,
386                                     int default_accessibility,
387                                     int *assigned_accessibilities,
388                                     size_t num_assigned_accessibilities);
389
390    lldb::clang_type_t
391    CreateObjCClass (const char *name,
392                     clang::DeclContext *decl_ctx,
393                     bool isForwardDecl,
394                     bool isInternal);
395
396    static clang::FieldDecl *
397    AddObjCClassIVar (clang::ASTContext *ast,
398                      lldb::clang_type_t class_opaque_type,
399                      const char *name,
400                      lldb::clang_type_t ivar_opaque_type,
401                      lldb::AccessType access,
402                      uint32_t bitfield_bit_size,
403                      bool isSynthesized);
404
405    clang::FieldDecl *
406    AddObjCClassIVar (lldb::clang_type_t class_opaque_type,
407                      const char *name,
408                      lldb::clang_type_t ivar_opaque_type,
409                      lldb::AccessType access,
410                      uint32_t bitfield_bit_size,
411                      bool isSynthesized)
412    {
413        return ClangASTContext::AddObjCClassIVar (getASTContext(),
414                                                  class_opaque_type,
415                                                  name,
416                                                  ivar_opaque_type,
417                                                  access,
418                                                  bitfield_bit_size,
419                                                  isSynthesized);
420    }
421
422    static bool
423    AddObjCClassProperty
424    (
425        clang::ASTContext *ast,
426        lldb::clang_type_t class_opaque_type,
427        const char *property_name,
428        lldb::clang_type_t property_opaque_type,  // The property type is only required if you don't have an ivar decl
429        clang::ObjCIvarDecl *ivar_decl,
430        const char *property_setter_name,
431        const char *property_getter_name,
432        uint32_t property_attributes
433    );
434
435    bool
436    AddObjCClassProperty
437    (
438        lldb::clang_type_t class_opaque_type,
439        const char *property_name,
440        lldb::clang_type_t property_opaque_type,
441        clang::ObjCIvarDecl *ivar_decl,
442        const char *property_setter_name,
443        const char *property_getter_name,
444        uint32_t property_attributes
445    )
446    {
447        return ClangASTContext::AddObjCClassProperty (getASTContext(),
448                                                      class_opaque_type,
449                                                      property_name,
450                                                      property_opaque_type,
451                                                      ivar_decl,
452                                                      property_setter_name,
453                                                      property_getter_name,
454                                                      property_attributes);
455    }
456
457    bool
458    SetObjCSuperClass (lldb::clang_type_t class_clang_type,
459                       lldb::clang_type_t superclass_clang_type);
460
461    static bool
462    ObjCTypeHasIVars (lldb::clang_type_t class_clang_type, bool check_superclass);
463
464    static bool
465    ObjCDeclHasIVars (clang::ObjCInterfaceDecl *class_interface_decl,
466                      bool check_superclass);
467
468
469    static clang::ObjCMethodDecl *
470    AddMethodToObjCObjectType (clang::ASTContext *ast,
471                               lldb::clang_type_t class_opaque_type,
472                               const char *name,  // the full symbol name as seen in the symbol table ("-[NString stringWithCString:]")
473                               lldb::clang_type_t method_opaque_type,
474                               lldb::AccessType access);
475
476    clang::ObjCMethodDecl *
477    AddMethodToObjCObjectType (lldb::clang_type_t class_opaque_type,
478                               const char *name,  // the full symbol name as seen in the symbol table ("-[NString stringWithCString:]")
479                               lldb::clang_type_t method_opaque_type,
480                               lldb::AccessType access)
481    {
482        return AddMethodToObjCObjectType (getASTContext(),
483                                          class_opaque_type,
484                                          name,
485                                          method_opaque_type,
486                                          access);
487    }
488
489    static bool
490    SetHasExternalStorage (lldb::clang_type_t clang_type, bool has_extern);
491
492    //------------------------------------------------------------------
493    // Aggregate Types
494    //------------------------------------------------------------------
495    static bool
496    IsAggregateType (lldb::clang_type_t clang_type);
497
498    // Returns a mask containing bits from the ClangASTContext::eTypeXXX enumerations
499    static uint32_t
500    GetTypeInfo (lldb::clang_type_t clang_type,
501                     clang::ASTContext *ast,                // The AST for clang_type (can be NULL)
502                     lldb::clang_type_t *pointee_or_element_type);  // (can be NULL)
503
504    static uint32_t
505    GetNumChildren (clang::ASTContext *ast,
506                    lldb::clang_type_t clang_type,
507                    bool omit_empty_base_classes);
508
509    static uint32_t
510    GetNumDirectBaseClasses (clang::ASTContext *ast,
511                             lldb::clang_type_t clang_type);
512
513    static uint32_t
514    GetNumVirtualBaseClasses (clang::ASTContext *ast,
515                              lldb::clang_type_t clang_type);
516
517    static uint32_t
518    GetNumFields (clang::ASTContext *ast,
519                  lldb::clang_type_t clang_type);
520
521    static lldb::clang_type_t
522    GetDirectBaseClassAtIndex (clang::ASTContext *ast,
523                               lldb::clang_type_t clang_type,
524                               uint32_t idx,
525                               uint32_t *bit_offset_ptr);
526
527    static lldb::clang_type_t
528    GetVirtualBaseClassAtIndex (clang::ASTContext *ast,
529                                lldb::clang_type_t clang_type,
530                                uint32_t idx,
531                                uint32_t *bit_offset_ptr);
532
533    static lldb::clang_type_t
534    GetFieldAtIndex (clang::ASTContext *ast,
535                     lldb::clang_type_t clang_type,
536                     uint32_t idx,
537                     std::string& name,
538                     uint32_t *bit_offset_ptr);
539
540    static uint32_t
541    GetNumPointeeChildren (lldb::clang_type_t clang_type);
542
543    lldb::clang_type_t
544    GetChildClangTypeAtIndex (ExecutionContext *exe_ctx,
545                              const char *parent_name,
546                              lldb::clang_type_t  parent_clang_type,
547                              uint32_t idx,
548                              bool transparent_pointers,
549                              bool omit_empty_base_classes,
550                              bool ignore_array_bounds,
551                              std::string& child_name,
552                              uint32_t &child_byte_size,
553                              int32_t &child_byte_offset,
554                              uint32_t &child_bitfield_bit_size,
555                              uint32_t &child_bitfield_bit_offset,
556                              bool &child_is_base_class,
557                              bool &child_is_deref_of_parent);
558
559    static lldb::clang_type_t
560    GetChildClangTypeAtIndex (ExecutionContext *exe_ctx,
561                              clang::ASTContext *ast,
562                              const char *parent_name,
563                              lldb::clang_type_t  parent_clang_type,
564                              uint32_t idx,
565                              bool transparent_pointers,
566                              bool omit_empty_base_classes,
567                              bool ignore_array_bounds,
568                              std::string& child_name,
569                              uint32_t &child_byte_size,
570                              int32_t &child_byte_offset,
571                              uint32_t &child_bitfield_bit_size,
572                              uint32_t &child_bitfield_bit_offset,
573                              bool &child_is_base_class,
574                              bool &child_is_deref_of_parent);
575
576    // Lookup a child given a name. This function will match base class names
577    // and member member names in "clang_type" only, not descendants.
578    static uint32_t
579    GetIndexOfChildWithName (clang::ASTContext *ast,
580                             lldb::clang_type_t clang_type,
581                             const char *name,
582                             bool omit_empty_base_classes);
583
584    // Lookup a child member given a name. This function will match member names
585    // only and will descend into "clang_type" children in search for the first
586    // member in this class, or any base class that matches "name".
587    // TODO: Return all matches for a given name by returning a vector<vector<uint32_t>>
588    // so we catch all names that match a given child name, not just the first.
589    static size_t
590    GetIndexOfChildMemberWithName (clang::ASTContext *ast,
591                                   lldb::clang_type_t clang_type,
592                                   const char *name,
593                                   bool omit_empty_base_classes,
594                                   std::vector<uint32_t>& child_indexes);
595
596    //------------------------------------------------------------------
597    // clang::TagType
598    //------------------------------------------------------------------
599
600    bool
601    SetTagTypeKind (lldb::clang_type_t  tag_qual_type,
602                    int kind);
603
604    //------------------------------------------------------------------
605    // C++ Base Classes
606    //------------------------------------------------------------------
607
608    clang::CXXBaseSpecifier *
609    CreateBaseClassSpecifier (lldb::clang_type_t  base_class_type,
610                              lldb::AccessType access,
611                              bool is_virtual,
612                              bool base_of_class);
613
614    static void
615    DeleteBaseClassSpecifiers (clang::CXXBaseSpecifier **base_classes,
616                               unsigned num_base_classes);
617
618    bool
619    SetBaseClassesForClassType (lldb::clang_type_t  class_clang_type,
620                                clang::CXXBaseSpecifier const * const *base_classes,
621                                unsigned num_base_classes);
622
623    //------------------------------------------------------------------
624    // DeclContext Functions
625    //------------------------------------------------------------------
626
627    static clang::DeclContext *
628    GetDeclContextForType (lldb::clang_type_t  qual_type);
629
630    //------------------------------------------------------------------
631    // Namespace Declarations
632    //------------------------------------------------------------------
633
634    clang::NamespaceDecl *
635    GetUniqueNamespaceDeclaration (const char *name,
636                                   clang::DeclContext *decl_ctx);
637
638    //------------------------------------------------------------------
639    // Function Types
640    //------------------------------------------------------------------
641
642    clang::FunctionDecl *
643    CreateFunctionDeclaration (clang::DeclContext *decl_ctx,
644                               const char *name,
645                               lldb::clang_type_t  function_Type,
646                               int storage,
647                               bool is_inline);
648
649    static lldb::clang_type_t
650    CreateFunctionType (clang::ASTContext *ast,
651                        lldb::clang_type_t result_type,
652                        lldb::clang_type_t *args,
653                        unsigned num_args,
654                        bool is_variadic,
655                        unsigned type_quals);
656
657    lldb::clang_type_t
658    CreateFunctionType (lldb::clang_type_t result_type,
659                        lldb::clang_type_t *args,
660                        unsigned num_args,
661                        bool is_variadic,
662                        unsigned type_quals)
663    {
664        return ClangASTContext::CreateFunctionType(getASTContext(),
665                                                   result_type,
666                                                   args,
667                                                   num_args,
668                                                   is_variadic,
669                                                   type_quals);
670    }
671
672    clang::ParmVarDecl *
673    CreateParameterDeclaration (const char *name,
674                               lldb::clang_type_t param_type,
675                               int storage);
676
677    void
678    SetFunctionParameters (clang::FunctionDecl *function_decl,
679                           clang::ParmVarDecl **params,
680                           unsigned num_params);
681
682    //------------------------------------------------------------------
683    // Array Types
684    //------------------------------------------------------------------
685
686    lldb::clang_type_t
687    CreateArrayType (lldb::clang_type_t  element_type,
688                     size_t element_count,
689                     uint32_t bit_stride);
690
691    //------------------------------------------------------------------
692    // Tag Declarations
693    //------------------------------------------------------------------
694    bool
695    StartTagDeclarationDefinition (lldb::clang_type_t  qual_type);
696
697    bool
698    CompleteTagDeclarationDefinition (lldb::clang_type_t  qual_type);
699
700    //------------------------------------------------------------------
701    // Enumeration Types
702    //------------------------------------------------------------------
703    lldb::clang_type_t
704    CreateEnumerationType (const char *name,
705                           clang::DeclContext *decl_ctx,
706                           const Declaration &decl,
707                           lldb::clang_type_t integer_qual_type);
708
709    static lldb::clang_type_t
710    GetEnumerationIntegerType (lldb::clang_type_t enum_clang_type);
711
712    bool
713    AddEnumerationValueToEnumerationType (lldb::clang_type_t  enum_qual_type,
714                                          lldb::clang_type_t  enumerator_qual_type,
715                                          const Declaration &decl,
716                                          const char *name,
717                                          int64_t enum_value,
718                                          uint32_t enum_value_bit_size);
719
720    //------------------------------------------------------------------
721    // Pointers & References
722    //------------------------------------------------------------------
723    lldb::clang_type_t
724    CreatePointerType (lldb::clang_type_t clang_type);
725
726    static lldb::clang_type_t
727    CreatePointerType (clang::ASTContext *ast,
728                       lldb::clang_type_t clang_type);
729
730    static lldb::clang_type_t
731    CreateLValueReferenceType (clang::ASTContext *ast_context,
732                               lldb::clang_type_t clang_type);
733
734    static lldb::clang_type_t
735    CreateRValueReferenceType (clang::ASTContext *ast_context,
736                               lldb::clang_type_t clang_type);
737
738    lldb::clang_type_t
739    CreateLValueReferenceType (lldb::clang_type_t clang_type)
740    {
741        return ClangASTContext::CreateLValueReferenceType(getASTContext(), clang_type);
742    }
743
744    lldb::clang_type_t
745    CreateRValueReferenceType (lldb::clang_type_t clang_type)
746    {
747        return ClangASTContext::CreateRValueReferenceType(getASTContext(), clang_type);
748    }
749
750    lldb::clang_type_t
751    CreateMemberPointerType (lldb::clang_type_t  clang_pointee_type,
752                             lldb::clang_type_t  clang_class_type);
753
754    uint32_t
755    GetPointerBitSize ();
756
757    static bool
758    IsIntegerType (lldb::clang_type_t clang_type, bool &is_signed);
759
760    static bool
761    IsPointerType (lldb::clang_type_t clang_type, lldb::clang_type_t *target_type = NULL);
762
763    static bool
764    IsReferenceType (lldb::clang_type_t clang_type, lldb::clang_type_t *target_type = NULL);
765
766    static bool
767    IsPointerOrReferenceType (lldb::clang_type_t clang_type, lldb::clang_type_t *target_type = NULL);
768
769    static bool
770    IsPossibleCPlusPlusDynamicType (clang::ASTContext *ast,
771                                    lldb::clang_type_t clang_type,
772                                    lldb::clang_type_t *target_type = NULL);
773
774    static bool
775    IsPossibleDynamicType (clang::ASTContext *ast,
776                           lldb::clang_type_t clang_type,
777                           lldb::clang_type_t *dynamic_pointee_type = NULL);
778
779    static bool
780    IsCStringType (lldb::clang_type_t clang_type, uint32_t &length);
781
782    static bool
783    IsFunctionPointerType (lldb::clang_type_t clang_type);
784
785    static bool
786    IsArrayType (lldb::clang_type_t clang_type, lldb::clang_type_t *member_type = NULL, uint64_t *size = NULL);
787
788    //------------------------------------------------------------------
789    // Typedefs
790    //------------------------------------------------------------------
791    lldb::clang_type_t
792    CreateTypedefType (const char *name,
793                       lldb::clang_type_t clang_type,
794                       clang::DeclContext *decl_ctx);
795
796    //------------------------------------------------------------------
797    // Type names
798    //------------------------------------------------------------------
799    static bool
800    IsFloatingPointType (lldb::clang_type_t clang_type, uint32_t &count, bool &is_complex);
801
802    // true iff this is one of the types that can "fit"
803    // in a Scalar object
804    static bool
805    IsScalarType (lldb::clang_type_t clang_type);
806
807    static bool
808    IsPointerToScalarType (lldb::clang_type_t clang_type);
809
810    static bool
811    IsArrayOfScalarType (lldb::clang_type_t clang_type);
812
813    static bool
814    GetCXXClassName (lldb::clang_type_t clang_type,
815                     std::string &class_name);
816
817    static bool
818    IsCXXClassType (lldb::clang_type_t clang_type);
819
820    static bool
821    IsBeingDefined (lldb::clang_type_t clang_type);
822
823    static bool
824    IsObjCClassType (lldb::clang_type_t clang_type);
825
826    static bool
827    IsCharType (lldb::clang_type_t clang_type);
828
829    static size_t
830    GetArraySize (lldb::clang_type_t clang_type);
831
832    //static bool
833    //ConvertFloatValueToString (clang::ASTContext *ast,
834    //                           lldb::clang_type_t clang_type,
835    //                           const uint8_t* bytes,
836    //                           size_t byte_size,
837    //                           int apint_byte_order,
838    //                           std::string &float_str);
839
840    static size_t
841    ConvertStringToFloatValue (clang::ASTContext *ast,
842                               lldb::clang_type_t clang_type,
843                               const char *s,
844                               uint8_t *dst,
845                               size_t dst_size);
846
847    //------------------------------------------------------------------
848    // Qualifiers
849    //------------------------------------------------------------------
850    static unsigned
851    GetTypeQualifiers(lldb::clang_type_t clang_type);
852protected:
853    //------------------------------------------------------------------
854    // Classes that inherit from ClangASTContext can see and modify these
855    //------------------------------------------------------------------
856    std::string                             m_target_triple;
857    std::auto_ptr<clang::ASTContext>        m_ast_ap;
858    std::auto_ptr<clang::LangOptions>       m_language_options_ap;
859    std::auto_ptr<clang::FileManager>       m_file_manager_ap;
860    std::auto_ptr<clang::FileSystemOptions> m_file_system_options_ap;
861    std::auto_ptr<clang::SourceManager>     m_source_manager_ap;
862    std::auto_ptr<clang::DiagnosticsEngine>  m_diagnostics_engine_ap;
863    std::auto_ptr<clang::DiagnosticConsumer> m_diagnostic_consumer_ap;
864    std::auto_ptr<clang::TargetOptions>     m_target_options_ap;
865    std::auto_ptr<clang::TargetInfo>        m_target_info_ap;
866    std::auto_ptr<clang::IdentifierTable>   m_identifier_table_ap;
867    std::auto_ptr<clang::SelectorTable>     m_selector_table_ap;
868    std::auto_ptr<clang::Builtin::Context>  m_builtins_ap;
869    CompleteTagDeclCallback                 m_callback_tag_decl;
870    CompleteObjCInterfaceDeclCallback       m_callback_objc_decl;
871    void *                                  m_callback_baton;
872private:
873    //------------------------------------------------------------------
874    // For ClangASTContext only
875    //------------------------------------------------------------------
876    ClangASTContext(const ClangASTContext&);
877    const ClangASTContext& operator=(const ClangASTContext&);
878};
879
880} // namespace lldb_private
881
882#endif  // liblldb_ClangASTContext_h_
883