source: src/SynTree/Type.h@ b947fb2

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since b947fb2 was 6b0b624, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

change #ifndef to #pragma once
  • Property mode set to 100644
File size: 23.3 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// Type.h --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Jul 22 09:53:29 2017
13// Update Count : 151
14//
15
16#pragma once
17
18#include "BaseSyntaxNode.h"
19#include "Mutator.h"
20#include "SynTree.h"
21#include "Visitor.h"
22#include <strings.h> // ffs
23
24class Type : public BaseSyntaxNode {
25 public:
26 // Simulate inheritance because union does not allow it.
27 // Bug in g++-4.9 prevents static field in union
28 //static const char * Names[];
29 #define BFCommon( BFType, N ) \
30 bool operator[]( unsigned int i ) const { return val & (1 << i); } \
31 bool any() const { return val != 0; } \
32 void reset() { val = 0; } \
33 int ffs() { return ::ffs( val ) - 1; } \
34 BFType operator&=( BFType other ) { \
35 val &= other.val; return *this; \
36 } \
37 BFType operator&( BFType other ) const { \
38 BFType q = other; \
39 q &= *this; \
40 return q; \
41 } \
42 BFType operator|=( BFType other ) { \
43 val |= other.val; return *this; \
44 } \
45 BFType operator|( BFType other ) const { \
46 BFType q = other; \
47 q |= *this; \
48 return q; \
49 } \
50 BFType operator-=( BFType other ) { \
51 val &= ~other.val; return *this; \
52 } \
53 void print( std::ostream & os ) const { \
54 if ( (*this).any() ) { \
55 for ( unsigned int i = 0; i < N; i += 1 ) { \
56 if ( (*this)[i] ) { \
57 os << BFType##Names[i] << ' '; \
58 } \
59 } \
60 } \
61 }
62
63 // enum must remain in the same order as the corresponding bit fields.
64
65 enum { Inline = 1 << 0, Noreturn = 1 << 1, Fortran = 1 << 2, NumFuncSpecifier = 3 };
66 static const char * FuncSpecifiersNames[];
67 union FuncSpecifiers {
68 unsigned int val;
69 struct {
70 bool is_inline : 1;
71 bool is_noreturn : 1;
72 bool is_fortran : 1;
73 };
74 FuncSpecifiers() : val( 0 ) {}
75 FuncSpecifiers( unsigned int val ) : val( val ) {}
76 // equality (==, !=) works implicitly on first field "val", relational operations are undefined.
77 BFCommon( FuncSpecifiers, NumFuncSpecifier )
78 }; // FuncSpecifiers
79
80 enum { Extern = 1 << 0, Static = 1 << 1, Auto = 1 << 2, Register = 1 << 3, Threadlocal = 1 << 4, NumStorageClass = 5 };
81 static const char * StorageClassesNames[];
82 union StorageClasses {
83 unsigned int val;
84 struct {
85 bool is_extern : 1;
86 bool is_static : 1;
87 bool is_auto : 1;
88 bool is_register : 1;
89 bool is_threadlocal : 1;
90 };
91
92 StorageClasses() : val( 0 ) {}
93 StorageClasses( unsigned int val ) : val( val ) {}
94 // equality (==, !=) works implicitly on first field "val", relational operations are undefined.
95 BFCommon( StorageClasses, NumStorageClass )
96 }; // StorageClasses
97
98 enum { Const = 1 << 0, Restrict = 1 << 1, Volatile = 1 << 2, Lvalue = 1 << 3, Mutex = 1 << 4, Atomic = 1 << 5, NumTypeQualifier = 6 };
99 static const char * QualifiersNames[];
100 union Qualifiers {
101 enum { Mask = ~(Restrict | Lvalue) };
102 unsigned int val;
103 struct {
104 bool is_const : 1;
105 bool is_restrict : 1;
106 bool is_volatile : 1;
107 bool is_lvalue : 1;
108 bool is_mutex : 1;
109 bool is_atomic : 1;
110 };
111
112 Qualifiers() : val( 0 ) {}
113 Qualifiers( unsigned int val ) : val( val ) {}
114 // Complex comparisons provide implicit qualifier downcasting, e.g., T downcast to const T.
115 bool operator==( Qualifiers other ) const { return (val & Mask) == (other.val & Mask); }
116 bool operator!=( Qualifiers other ) const { return (val & Mask) != (other.val & Mask); }
117 bool operator<=( Qualifiers other ) const {
118 return is_const <= other.is_const //Any non-const converts to const without cost
119 && is_volatile <= other.is_volatile //Any non-volatile converts to volatile without cost
120 && is_mutex >= other.is_mutex //Any mutex converts to non-mutex without cost
121 && is_atomic == other.is_atomic; //No conversion from atomic to non atomic is free
122 }
123 bool operator<( Qualifiers other ) const { return *this != other && *this <= other; }
124 bool operator>=( Qualifiers other ) const { return ! (*this < other); }
125 bool operator>( Qualifiers other ) const { return *this != other && *this >= other; }
126 BFCommon( Qualifiers, NumTypeQualifier )
127 }; // Qualifiers
128
129 Type( const Qualifiers & tq, const std::list< Attribute * > & attributes );
130 Type( const Type & other );
131 virtual ~Type();
132
133 Qualifiers & get_qualifiers() { return tq; }
134 bool get_const() { return tq.is_const; }
135 bool get_volatile() { return tq.is_volatile; }
136 bool get_restrict() { return tq.is_restrict; }
137 bool get_lvalue() { return tq.is_lvalue; }
138 bool get_mutex() { return tq.is_mutex; }
139 bool get_atomic() { return tq.is_atomic; }
140 void set_const( bool newValue ) { tq.is_const = newValue; }
141 void set_volatile( bool newValue ) { tq.is_volatile = newValue; }
142 void set_restrict( bool newValue ) { tq.is_restrict = newValue; }
143 void set_lvalue( bool newValue ) { tq.is_lvalue = newValue; }
144 void set_mutex( bool newValue ) { tq.is_mutex = newValue; }
145 void set_atomic( bool newValue ) { tq.is_atomic = newValue; }
146
147 typedef std::list<TypeDecl *> ForallList;
148 ForallList& get_forall() { return forall; }
149
150 std::list< Attribute * >& get_attributes() { return attributes; }
151 const std::list< Attribute * >& get_attributes() const { return attributes; }
152
153 /// How many elemental types are represented by this type
154 virtual unsigned size() const { return 1; };
155 virtual bool isVoid() const { return size() == 0; }
156 virtual Type * getComponent( unsigned i ) { assertf( size() == 1 && i == 0, "Type::getComponent was called with size %d and index %d\n", size(), i ); return this; }
157
158 /// return type without outer pointers and arrays
159 Type *stripDeclarator();
160
161 virtual bool isComplete() const { return true; }
162
163 virtual Type *clone() const = 0;
164 virtual void accept( Visitor & v ) = 0;
165 virtual Type *acceptMutator( Mutator & m ) = 0;
166 virtual void print( std::ostream & os, int indent = 0 ) const;
167 private:
168 Qualifiers tq;
169 ForallList forall;
170 std::list< Attribute * > attributes;
171};
172
173extern Type::Qualifiers noQualifiers; // no qualifiers on constants
174
175class VoidType : public Type {
176 public:
177 VoidType( const Type::Qualifiers & tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
178
179 virtual unsigned size() const { return 0; };
180 virtual bool isComplete() const { return false; }
181
182 virtual VoidType *clone() const { return new VoidType( *this ); }
183 virtual void accept( Visitor & v ) { v.visit( this ); }
184 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
185 virtual void print( std::ostream & os, int indent = 0 ) const;
186};
187
188class BasicType : public Type {
189 public:
190 enum Kind {
191 Bool,
192 Char,
193 SignedChar,
194 UnsignedChar,
195 ShortSignedInt,
196 ShortUnsignedInt,
197 SignedInt,
198 UnsignedInt,
199 LongSignedInt,
200 LongUnsignedInt,
201 LongLongSignedInt,
202 LongLongUnsignedInt,
203 Float,
204 Double,
205 LongDouble,
206 FloatComplex,
207 DoubleComplex,
208 LongDoubleComplex,
209 FloatImaginary,
210 DoubleImaginary,
211 LongDoubleImaginary,
212 NUMBER_OF_BASIC_TYPES
213 };
214
215 static const char *typeNames[]; // string names for basic types, MUST MATCH with Kind
216
217 BasicType( const Type::Qualifiers & tq, Kind bt, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
218
219 Kind get_kind() { return kind; }
220 void set_kind( Kind newValue ) { kind = newValue; }
221
222 virtual BasicType *clone() const { return new BasicType( *this ); }
223 virtual void accept( Visitor & v ) { v.visit( this ); }
224 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
225 virtual void print( std::ostream & os, int indent = 0 ) const;
226
227 bool isInteger() const;
228 private:
229 Kind kind;
230};
231
232class PointerType : public Type {
233 public:
234 PointerType( const Type::Qualifiers & tq, Type *base, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
235 PointerType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
236 PointerType( const PointerType& );
237 virtual ~PointerType();
238
239 Type *get_base() { return base; }
240 void set_base( Type *newValue ) { base = newValue; }
241 Expression *get_dimension() { return dimension; }
242 void set_dimension( Expression *newValue ) { dimension = newValue; }
243 bool get_isVarLen() { return isVarLen; }
244 void set_isVarLen( bool newValue ) { isVarLen = newValue; }
245 bool get_isStatic() { return isStatic; }
246 void set_isStatic( bool newValue ) { isStatic = newValue; }
247
248 bool is_array() const { return isStatic || isVarLen || dimension; }
249
250 virtual PointerType *clone() const { return new PointerType( *this ); }
251 virtual void accept( Visitor & v ) { v.visit( this ); }
252 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
253 virtual void print( std::ostream & os, int indent = 0 ) const;
254 private:
255 Type *base;
256
257 // In C99, pointer types can be qualified in many ways e.g., int f( int a[ static 3 ] )
258 Expression *dimension;
259 bool isVarLen;
260 bool isStatic;
261};
262
263class ArrayType : public Type {
264 public:
265 ArrayType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
266 ArrayType( const ArrayType& );
267 virtual ~ArrayType();
268
269 Type *get_base() { return base; }
270 void set_base( Type *newValue ) { base = newValue; }
271 Expression *get_dimension() { return dimension; }
272 void set_dimension( Expression *newValue ) { dimension = newValue; }
273 bool get_isVarLen() { return isVarLen; }
274 void set_isVarLen( bool newValue ) { isVarLen = newValue; }
275 bool get_isStatic() { return isStatic; }
276 void set_isStatic( bool newValue ) { isStatic = newValue; }
277
278 virtual bool isComplete() const { return ! isVarLen; }
279
280 virtual ArrayType *clone() const { return new ArrayType( *this ); }
281 virtual void accept( Visitor & v ) { v.visit( this ); }
282 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
283 virtual void print( std::ostream & os, int indent = 0 ) const;
284 private:
285 Type *base;
286 Expression *dimension;
287 bool isVarLen;
288 bool isStatic;
289};
290
291class FunctionType : public Type {
292 public:
293 FunctionType( const Type::Qualifiers & tq, bool isVarArgs, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
294 FunctionType( const FunctionType& );
295 virtual ~FunctionType();
296
297 std::list<DeclarationWithType*> & get_returnVals() { return returnVals; }
298 std::list<DeclarationWithType*> & get_parameters() { return parameters; }
299 bool get_isVarArgs() const { return isVarArgs; }
300 void set_isVarArgs( bool newValue ) { isVarArgs = newValue; }
301 bool isTtype() const;
302
303 virtual FunctionType *clone() const { return new FunctionType( *this ); }
304 virtual void accept( Visitor & v ) { v.visit( this ); }
305 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
306 virtual void print( std::ostream & os, int indent = 0 ) const;
307 private:
308 std::list<DeclarationWithType*> returnVals;
309 std::list<DeclarationWithType*> parameters;
310
311 // Does the function accept a variable number of arguments following the arguments specified in the parameters list.
312 // This could be because of
313 // - an ellipsis in a prototype declaration
314 // - an unprototyped declaration
315 bool isVarArgs;
316};
317
318class ReferenceToType : public Type {
319 public:
320 ReferenceToType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes );
321 ReferenceToType( const ReferenceToType & other );
322 virtual ~ReferenceToType();
323
324 const std::string & get_name() const { return name; }
325 void set_name( std::string newValue ) { name = newValue; }
326 std::list< Expression* >& get_parameters() { return parameters; }
327 bool get_hoistType() const { return hoistType; }
328 void set_hoistType( bool newValue ) { hoistType = newValue; }
329
330 virtual ReferenceToType *clone() const = 0;
331 virtual void accept( Visitor & v ) = 0;
332 virtual Type *acceptMutator( Mutator & m ) = 0;
333 virtual void print( std::ostream & os, int indent = 0 ) const;
334
335 virtual void lookup( __attribute__((unused)) const std::string & name, __attribute__((unused)) std::list< Declaration* > & foundDecls ) const {}
336 protected:
337 virtual std::string typeString() const = 0;
338 std::list< Expression* > parameters;
339 std::string name;
340 private:
341 bool hoistType;
342};
343
344class StructInstType : public ReferenceToType {
345 typedef ReferenceToType Parent;
346 public:
347 StructInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ), baseStruct( 0 ) {}
348 StructInstType( const Type::Qualifiers & tq, StructDecl * baseStruct, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
349 StructInstType( const StructInstType & other ) : Parent( other ), baseStruct( other.baseStruct ) {}
350
351 StructDecl *get_baseStruct() const { return baseStruct; }
352 void set_baseStruct( StructDecl *newValue ) { baseStruct = newValue; }
353
354 /// Accesses generic parameters of base struct (NULL if none such)
355 std::list<TypeDecl*> * get_baseParameters();
356
357 virtual bool isComplete() const;
358
359 /// Looks up the members of this struct named "name" and places them into "foundDecls".
360 /// Clones declarations into "foundDecls", caller responsible for freeing
361 void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const;
362
363 virtual StructInstType *clone() const { return new StructInstType( *this ); }
364 virtual void accept( Visitor & v ) { v.visit( this ); }
365 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
366
367 virtual void print( std::ostream & os, int indent = 0 ) const;
368 private:
369 virtual std::string typeString() const;
370
371 // this decl is not "owned" by the struct inst; it is merely a pointer to elsewhere in the tree,
372 // where the structure used in this type is actually defined
373 StructDecl *baseStruct;
374};
375
376class UnionInstType : public ReferenceToType {
377 typedef ReferenceToType Parent;
378 public:
379 UnionInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ), baseUnion( 0 ) {}
380 UnionInstType( const Type::Qualifiers & tq, UnionDecl * baseUnion, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
381 UnionInstType( const UnionInstType & other ) : Parent( other ), baseUnion( other.baseUnion ) {}
382
383 UnionDecl *get_baseUnion() const { return baseUnion; }
384 void set_baseUnion( UnionDecl * newValue ) { baseUnion = newValue; }
385
386 /// Accesses generic parameters of base union (NULL if none such)
387 std::list< TypeDecl * > * get_baseParameters();
388
389 virtual bool isComplete() const;
390
391 /// looks up the members of this union named "name" and places them into "foundDecls"
392 /// Clones declarations into "foundDecls", caller responsible for freeing
393 void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const;
394
395 virtual UnionInstType *clone() const { return new UnionInstType( *this ); }
396 virtual void accept( Visitor & v ) { v.visit( this ); }
397 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
398
399 virtual void print( std::ostream & os, int indent = 0 ) const;
400 private:
401 virtual std::string typeString() const;
402
403 // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree,
404 // where the union used in this type is actually defined
405 UnionDecl *baseUnion;
406};
407
408class EnumInstType : public ReferenceToType {
409 typedef ReferenceToType Parent;
410 public:
411 EnumInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ) {}
412 EnumInstType( const Type::Qualifiers & tq, EnumDecl * baseEnum, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
413 EnumInstType( const EnumInstType & other ) : Parent( other ), baseEnum( other.baseEnum ) {}
414
415 EnumDecl *get_baseEnum() const { return baseEnum; }
416 void set_baseEnum( EnumDecl *newValue ) { baseEnum = newValue; }
417
418 virtual bool isComplete() const;
419
420 virtual EnumInstType *clone() const { return new EnumInstType( *this ); }
421 virtual void accept( Visitor & v ) { v.visit( this ); }
422 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
423 private:
424 virtual std::string typeString() const;
425
426 // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree,
427 // where the union used in this type is actually defined
428 EnumDecl *baseEnum = nullptr;
429};
430
431class TraitInstType : public ReferenceToType {
432 typedef ReferenceToType Parent;
433 public:
434 TraitInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ) {}
435 TraitInstType( const TraitInstType & other );
436 ~TraitInstType();
437
438 std::list< Declaration* >& get_members() { return members; }
439
440 virtual bool isComplete() const;
441
442 virtual TraitInstType *clone() const { return new TraitInstType( *this ); }
443 virtual void accept( Visitor & v ) { v.visit( this ); }
444 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
445 private:
446 virtual std::string typeString() const;
447
448 // this member is filled in by the validate pass, which instantiates the members of the correponding
449 // aggregate with the actual type parameters specified for this use of the context
450 std::list< Declaration* > members;
451};
452
453class TypeInstType : public ReferenceToType {
454 typedef ReferenceToType Parent;
455 public:
456 TypeInstType( const Type::Qualifiers & tq, const std::string & name, TypeDecl *baseType, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
457 TypeInstType( const Type::Qualifiers & tq, const std::string & name, bool isFtype, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
458 TypeInstType( const TypeInstType & other );
459 ~TypeInstType();
460
461 TypeDecl *get_baseType() const { return baseType; }
462 void set_baseType( TypeDecl *newValue );
463 bool get_isFtype() const { return isFtype; }
464 void set_isFtype( bool newValue ) { isFtype = newValue; }
465
466 virtual bool isComplete() const;
467
468 virtual TypeInstType *clone() const { return new TypeInstType( *this ); }
469 virtual void accept( Visitor & v ) { v.visit( this ); }
470 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
471 virtual void print( std::ostream & os, int indent = 0 ) const;
472 private:
473 virtual std::string typeString() const;
474 // this decl is not "owned" by the type inst; it is merely a pointer to elsewhere in the tree,
475 // where the type used here is actually defined
476 TypeDecl *baseType;
477 bool isFtype;
478};
479
480class TupleType : public Type {
481 public:
482 TupleType( const Type::Qualifiers & tq, const std::list< Type * > & types, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
483 TupleType( const TupleType& );
484 virtual ~TupleType();
485
486 typedef std::list<Type*> value_type;
487 typedef value_type::iterator iterator;
488
489 std::list<Type *> & get_types() { return types; }
490 virtual unsigned size() const { return types.size(); };
491
492 // For now, this is entirely synthetic -- tuple types always have unnamed members.
493 // Eventually, we may allow named tuples, in which case members should subsume types
494 std::list<Declaration *> & get_members() { return members; }
495
496 iterator begin() { return types.begin(); }
497 iterator end() { return types.end(); }
498
499 virtual Type * getComponent( unsigned i ) {
500 assertf( i < size(), "TupleType::getComponent: index %d must be less than size %d", i, size() );
501 return *(begin()+i);
502 }
503
504 // virtual bool isComplete() const { return true; } // xxx - not sure if this is right, might need to recursively check complete-ness
505
506 virtual TupleType *clone() const { return new TupleType( *this ); }
507 virtual void accept( Visitor & v ) { v.visit( this ); }
508 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
509 virtual void print( std::ostream & os, int indent = 0 ) const;
510 private:
511 std::list<Type *> types;
512 std::list<Declaration *> members;
513};
514
515class TypeofType : public Type {
516 public:
517 TypeofType( const Type::Qualifiers & tq, Expression *expr, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
518 TypeofType( const TypeofType& );
519 virtual ~TypeofType();
520
521 Expression *get_expr() const { return expr; }
522 void set_expr( Expression *newValue ) { expr = newValue; }
523
524 virtual bool isComplete() const { assert( false ); return false; }
525
526 virtual TypeofType *clone() const { return new TypeofType( *this ); }
527 virtual void accept( Visitor & v ) { v.visit( this ); }
528 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
529 virtual void print( std::ostream & os, int indent = 0 ) const;
530 private:
531 Expression *expr;
532};
533
534class AttrType : public Type {
535 public:
536 AttrType( const Type::Qualifiers & tq, const std::string & name, Expression *expr, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
537 AttrType( const Type::Qualifiers & tq, const std::string & name, Type *type, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
538 AttrType( const AttrType& );
539 virtual ~AttrType();
540
541 const std::string & get_name() const { return name; }
542 void set_name( const std::string & newValue ) { name = newValue; }
543 Expression *get_expr() const { return expr; }
544 void set_expr( Expression *newValue ) { expr = newValue; }
545 Type *get_type() const { return type; }
546 void set_type( Type *newValue ) { type = newValue; }
547 bool get_isType() const { return isType; }
548 void set_isType( bool newValue ) { isType = newValue; }
549
550 virtual bool isComplete() const { assert( false ); } // xxx - not sure what to do here
551
552 virtual AttrType *clone() const { return new AttrType( *this ); }
553 virtual void accept( Visitor & v ) { v.visit( this ); }
554 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
555 virtual void print( std::ostream & os, int indent = 0 ) const;
556 private:
557 std::string name;
558 Expression *expr;
559 Type *type;
560 bool isType;
561};
562
563/// Represents the GCC built-in varargs type
564class VarArgsType : public Type {
565 public:
566 VarArgsType();
567 VarArgsType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
568
569 virtual bool isComplete() const{ return true; } // xxx - is this right?
570
571 virtual VarArgsType *clone() const { return new VarArgsType( *this ); }
572 virtual void accept( Visitor & v ) { v.visit( this ); }
573 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
574 virtual void print( std::ostream & os, int indent = 0 ) const;
575};
576
577/// Represents a zero constant
578class ZeroType : public Type {
579 public:
580 ZeroType();
581 ZeroType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
582
583 virtual ZeroType *clone() const { return new ZeroType( *this ); }
584 virtual void accept( Visitor & v ) { v.visit( this ); }
585 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
586 virtual void print( std::ostream & os, int indent = 0 ) const;
587};
588
589/// Represents a one constant
590class OneType : public Type {
591 public:
592 OneType();
593 OneType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() );
594
595 virtual OneType *clone() const { return new OneType( *this ); }
596 virtual void accept( Visitor & v ) { v.visit( this ); }
597 virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); }
598 virtual void print( std::ostream & os, int indent = 0 ) const;
599};
600
601std::ostream & operator<<( std::ostream & out, const Type * type );
602
603// Local Variables: //
604// tab-width: 4 //
605// mode: c++ //
606// compile-command: "make install" //
607// End: //
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