source: src/SynTree/Declaration.h@ 0026d67

ADT ast-experimental
Last change on this file since 0026d67 was 1e30df7, checked in by JiadaL <j82liang@…>, 3 years ago

Supports inline enums
  • Property mode set to 100644
File size: 18.6 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// Declaration.h --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Henry Xue
12// Last Modified On : Tue Jul 20 04:10:50 2021
13// Update Count : 160
14//
15
16#pragma once
17
18#include <cassert> // for assertf
19#include <iosfwd> // for ostream
20#include <list> // for list
21#include <unordered_map> // for unordered_map
22#include <string> // for string, operator+, allocator, to_string
23
24#include "BaseSyntaxNode.h" // for BaseSyntaxNode
25#include "Mutator.h" // for Mutator
26#include "LinkageSpec.h" // for Spec, Cforall
27#include "SynTree.h" // for UniqueId
28#include "SynTree/Type.h" // for Type, Type::StorageClasses, Type::Fu...
29#include "Visitor.h" // for Visitor
30
31class AsmStmt;
32class Attribute;
33class CompoundStmt;
34class ConstantExpr;
35class Expression;
36class Initializer;
37class TypeDecl;
38
39class Declaration : public BaseSyntaxNode {
40 public:
41 std::string name;
42 LinkageSpec::Spec linkage;
43 bool extension = false;
44
45 Declaration( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage );
46 Declaration( const Declaration & other );
47 virtual ~Declaration();
48
49 const std::string & get_name() const { return name; }
50 void set_name( std::string newValue ) { name = newValue; }
51
52 Type::StorageClasses get_storageClasses() const { return storageClasses; }
53
54 LinkageSpec::Spec get_linkage() const { return linkage; }
55 void set_linkage( LinkageSpec::Spec newValue ) { linkage = newValue; }
56
57 UniqueId get_uniqueId() const { return uniqueId; }
58
59 bool get_extension() const { return extension; }
60 Declaration * set_extension( bool exten ) { extension = exten; return this; }
61
62 void fixUniqueId( void );
63 virtual Declaration * clone() const override = 0;
64 virtual void accept( Visitor & v ) override = 0;
65 virtual void accept( Visitor & v ) const override = 0;
66 virtual Declaration * acceptMutator( Mutator & m ) override = 0;
67 virtual void print( std::ostream & os, Indenter indent = {} ) const override = 0;
68 virtual void printShort( std::ostream & os, Indenter indent = {} ) const = 0;
69
70 UniqueId uniqueId;
71 Type::StorageClasses storageClasses;
72 private:
73};
74
75class DeclarationWithType : public Declaration {
76 public:
77 // this represents the type with all types and typedefs expanded it is generated by SymTab::Validate::Pass2
78 std::string mangleName;
79 // need to remember the scope level at which the variable was declared, so that shadowed identifiers can be accessed
80 int scopeLevel = 0;
81
82 Expression * asmName;
83 std::list< Attribute * > attributes;
84 bool isDeleted = false;
85
86 DeclarationWithType( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, const std::list< Attribute * > & attributes, Type::FuncSpecifiers fs );
87 DeclarationWithType( const DeclarationWithType & other );
88 virtual ~DeclarationWithType();
89
90 std::string get_mangleName() const { return mangleName; }
91 DeclarationWithType * set_mangleName( std::string newValue ) { mangleName = newValue; return this; }
92
93 std::string get_scopedMangleName() const { return mangleName + "_" + std::to_string(scopeLevel); }
94
95 int get_scopeLevel() const { return scopeLevel; }
96 DeclarationWithType * set_scopeLevel( int newValue ) { scopeLevel = newValue; return this; }
97
98 Expression * get_asmName() const { return asmName; }
99 DeclarationWithType * set_asmName( Expression * newValue ) { asmName = newValue; return this; }
100
101 std::list< Attribute * >& get_attributes() { return attributes; }
102 const std::list< Attribute * >& get_attributes() const { return attributes; }
103
104 Type::FuncSpecifiers get_funcSpec() const { return fs; }
105 //void set_functionSpecifiers( Type::FuncSpecifiers newValue ) { fs = newValue; }
106
107 virtual DeclarationWithType * clone() const override = 0;
108 virtual DeclarationWithType * acceptMutator( Mutator & m ) override = 0;
109
110 virtual Type * get_type() const = 0;
111 virtual void set_type(Type *) = 0;
112
113 private:
114 Type::FuncSpecifiers fs;
115};
116
117class ObjectDecl : public DeclarationWithType {
118 typedef DeclarationWithType Parent;
119 public:
120 Type * type;
121 Initializer * init;
122 Expression * bitfieldWidth;
123 bool enumInLine = false;
124
125 ObjectDecl( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, Expression * bitfieldWidth, Type * type, Initializer * init,
126 const std::list< Attribute * > attributes = std::list< Attribute * >(), Type::FuncSpecifiers fs = Type::FuncSpecifiers() );
127 ObjectDecl( const ObjectDecl & other );
128 virtual ~ObjectDecl();
129
130 virtual Type * get_type() const override { return type; }
131 virtual void set_type(Type * newType) override { type = newType; }
132
133 Initializer * get_init() const { return init; }
134 void set_init( Initializer * newValue ) { init = newValue; }
135
136 Expression * get_bitfieldWidth() const { return bitfieldWidth; }
137 void set_bitfieldWidth( Expression * newValue ) { bitfieldWidth = newValue; }
138
139 static ObjectDecl * newObject( const std::string & name, Type * type, Initializer * init );
140
141 virtual ObjectDecl * clone() const override { return new ObjectDecl( *this ); }
142 virtual void accept( Visitor & v ) override { v.visit( this ); }
143 virtual void accept( Visitor & v ) const override { v.visit( this ); }
144 virtual DeclarationWithType * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
145 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
146 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
147
148 void checkAssignedValue() const;
149};
150
151class FunctionDecl : public DeclarationWithType {
152 typedef DeclarationWithType Parent;
153 public:
154 FunctionType * type;
155 CompoundStmt * statements;
156 std::list< Expression * > withExprs;
157
158 FunctionDecl( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, FunctionType * type, CompoundStmt * statements,
159 const std::list< Attribute * > attributes = std::list< Attribute * >(), Type::FuncSpecifiers fs = Type::FuncSpecifiers() );
160 FunctionDecl( const FunctionDecl & other );
161 virtual ~FunctionDecl();
162
163 virtual Type * get_type() const override { return type; }
164 virtual void set_type(Type * t) override { type = strict_dynamic_cast< FunctionType* >( t ); }
165
166 FunctionType * get_functionType() const { return type; }
167 void set_functionType( FunctionType * newValue ) { type = newValue; }
168 CompoundStmt * get_statements() const { return statements; }
169 void set_statements( CompoundStmt * newValue ) { statements = newValue; }
170 bool has_body() const { return NULL != statements; }
171
172 static FunctionDecl * newFunction( const std::string & name, FunctionType * type, CompoundStmt * statements );
173
174 virtual FunctionDecl * clone() const override { return new FunctionDecl( *this ); }
175 virtual void accept( Visitor & v ) override { v.visit( this ); }
176 virtual void accept( Visitor & v ) const override { v.visit( this ); }
177 virtual DeclarationWithType * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
178 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
179 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
180};
181
182class NamedTypeDecl : public Declaration {
183 typedef Declaration Parent;
184 public:
185 Type * base;
186 std::list< DeclarationWithType * > assertions;
187
188 NamedTypeDecl( const std::string & name, Type::StorageClasses scs, Type * type );
189 NamedTypeDecl( const NamedTypeDecl & other );
190 virtual ~NamedTypeDecl();
191
192 Type * get_base() const { return base; }
193 void set_base( Type * newValue ) { base = newValue; }
194 std::list< DeclarationWithType * >& get_assertions() { return assertions; }
195
196 virtual const char * typeString() const = 0;
197
198 virtual NamedTypeDecl * clone() const override = 0;
199 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
200 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
201};
202
203class TypeDecl : public NamedTypeDecl {
204 typedef NamedTypeDecl Parent;
205 public:
206 enum Kind { Dtype, DStype, Otype, Ftype, Ttype, Dimension, NUMBER_OF_KINDS };
207
208 Kind kind;
209 bool sized;
210 Type * init;
211
212 /// Data extracted from a type decl
213 struct Data {
214 Kind kind;
215 bool isComplete;
216
217 Data() : kind( NUMBER_OF_KINDS ), isComplete( false ) {}
218 Data( const TypeDecl * typeDecl ) : Data( typeDecl->get_kind(), typeDecl->isComplete() ) {}
219 Data( Kind kind, bool isComplete ) : kind( kind ), isComplete( isComplete ) {}
220 Data( const Data & d1, const Data & d2 )
221 : kind( d1.kind ), isComplete( d1.isComplete || d2.isComplete ) {}
222
223 bool operator==( const Data & other ) const { return kind == other.kind && isComplete == other.isComplete; }
224 bool operator!=( const Data & other ) const { return !(*this == other);}
225 };
226
227 TypeDecl( const std::string & name, Type::StorageClasses scs, Type * type, Kind kind, bool sized, Type * init = nullptr );
228 TypeDecl( const TypeDecl & other );
229 virtual ~TypeDecl();
230
231 Kind get_kind() const { return kind; }
232
233 Type * get_init() const { return init; }
234 TypeDecl * set_init( Type * newValue ) { init = newValue; return this; }
235
236 bool isComplete() const { return sized; }
237 bool get_sized() const { return sized; }
238 TypeDecl * set_sized( bool newValue ) { sized = newValue; return this; }
239
240 virtual const char * typeString() const override;
241 virtual const char * genTypeString() const;
242
243 virtual TypeDecl * clone() const override { return new TypeDecl( *this ); }
244 virtual void accept( Visitor & v ) override { v.visit( this ); }
245 virtual void accept( Visitor & v ) const override { v.visit( this ); }
246 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
247 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
248};
249
250class TypedefDecl : public NamedTypeDecl {
251 typedef NamedTypeDecl Parent;
252 public:
253 TypedefDecl( const std::string & name, CodeLocation location, Type::StorageClasses scs, Type * type, LinkageSpec::Spec spec = LinkageSpec::Cforall )
254 : Parent( name, scs, type ) { set_linkage( spec ); this->location = location; }
255
256 TypedefDecl( const TypedefDecl & other ) : Parent( other ) {}
257
258 virtual const char * typeString() const override;
259
260 virtual TypedefDecl * clone() const override { return new TypedefDecl( *this ); }
261 virtual void accept( Visitor & v ) override { v.visit( this ); }
262 virtual void accept( Visitor & v ) const override { v.visit( this ); }
263 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
264 private:
265};
266
267class AggregateDecl : public Declaration {
268 typedef Declaration Parent;
269 public:
270 enum Aggregate { Struct, Union, Enum, Exception, Trait, Generator, Coroutine, Monitor, Thread, NoAggregate };
271 static const char * aggrString( Aggregate aggr );
272
273 std::list<Declaration*> members;
274 std::list<TypeDecl*> parameters;
275 bool body;
276 std::list< Attribute * > attributes;
277 AggregateDecl * parent = nullptr;
278
279 AggregateDecl( const std::string & name, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall );
280 AggregateDecl( const AggregateDecl & other );
281 virtual ~AggregateDecl();
282
283 std::list<Declaration*>& get_members() { return members; }
284 std::list<TypeDecl*>& get_parameters() { return parameters; }
285
286 std::list< Attribute * >& get_attributes() { return attributes; }
287 const std::list< Attribute * >& get_attributes() const { return attributes; }
288
289 bool has_body() const { return body; }
290 AggregateDecl * set_body( bool body ) { AggregateDecl::body = body; return this; }
291
292 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
293 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
294 protected:
295 virtual const char * typeString() const = 0;
296};
297
298class StructDecl : public AggregateDecl {
299 typedef AggregateDecl Parent;
300 public:
301 StructDecl( const std::string & name, Aggregate kind = Struct, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall ) : Parent( name, attributes, linkage ), kind( kind ) {}
302 StructDecl( const StructDecl & other ) : Parent( other ), kind( other.kind ) {}
303
304 bool is_coroutine() { return kind == Coroutine; }
305 bool is_exception() { return kind == Exception; }
306 bool is_generator() { return kind == Generator; }
307 bool is_monitor () { return kind == Monitor ; }
308 bool is_thread () { return kind == Thread ; }
309
310 // Make a type instance of this declaration.
311 StructInstType * makeInst( std::list< Expression * > const & parameters );
312 StructInstType * makeInst( std::list< Expression * > && parameters );
313
314 virtual StructDecl * clone() const override { return new StructDecl( *this ); }
315 virtual void accept( Visitor & v ) override { v.visit( this ); }
316 virtual void accept( Visitor & v ) const override { v.visit( this ); }
317 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
318 Aggregate kind;
319 private:
320 virtual const char * typeString() const override;
321};
322
323class UnionDecl : public AggregateDecl {
324 typedef AggregateDecl Parent;
325 public:
326 UnionDecl( const std::string & name, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall ) : Parent( name, attributes, linkage ) {}
327 UnionDecl( const UnionDecl & other ) : Parent( other ) {}
328
329 virtual UnionDecl * clone() const override { return new UnionDecl( *this ); }
330 virtual void accept( Visitor & v ) override { v.visit( this ); }
331 virtual void accept( Visitor & v ) const override { v.visit( this ); }
332 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
333 private:
334 virtual const char * typeString() const override;
335};
336
337class EnumDecl : public AggregateDecl {
338 typedef AggregateDecl Parent;
339 public:
340 bool isTyped;
341 Type * base;
342
343 EnumDecl( const std::string & name,
344 const std::list< Attribute * > & attributes = std::list< class Attribute * >(),
345 bool isTyped = false, LinkageSpec::Spec linkage = LinkageSpec::Cforall,
346 Type * baseType = nullptr )
347 : Parent( name, attributes, linkage ),isTyped(isTyped), base( baseType ) {}
348 EnumDecl( const EnumDecl & other )
349 : Parent( other ), isTyped( other.isTyped), base( other.base ) {}
350 bool valueOf( Declaration * enumerator, long long int & value );
351 virtual EnumDecl * clone() const override { return new EnumDecl( *this ); }
352 virtual void accept( Visitor & v ) override { v.visit( this ); }
353 virtual void accept( Visitor & v ) const override { v.visit( this ); }
354 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
355
356 std::unordered_map< std::string, long long int > enumValues; // This attribute is unused
357 virtual void print( std::ostream & os, Indenter indent = {} ) const override final;
358 private:
359 // std::unordered_map< std::string, long long int > enumValues;
360 virtual const char * typeString() const override;
361};
362
363class TraitDecl : public AggregateDecl {
364 typedef AggregateDecl Parent;
365 public:
366 TraitDecl( const std::string & name, const std::list< Attribute * > & attributes, LinkageSpec::Spec linkage ) : Parent( name, attributes, linkage ) {
367 assertf( attributes.empty(), "attribute unsupported for traits" );
368 }
369 TraitDecl( const TraitDecl & other ) : Parent( other ) {}
370
371 virtual TraitDecl * clone() const override { return new TraitDecl( *this ); }
372 virtual void accept( Visitor & v ) override { v.visit( this ); }
373 virtual void accept( Visitor & v ) const override { v.visit( this ); }
374 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
375 private:
376 virtual const char * typeString() const override;
377};
378
379class WithStmt : public Declaration {
380public:
381 std::list< Expression * > exprs;
382 Statement * stmt;
383
384 WithStmt( const std::list< Expression * > & exprs, Statement * stmt );
385 WithStmt( const WithStmt & other );
386 virtual ~WithStmt();
387
388 virtual WithStmt * clone() const override { return new WithStmt( *this ); }
389 virtual void accept( Visitor & v ) override { v.visit( this ); }
390 virtual void accept( Visitor & v ) const override { v.visit( this ); }
391 virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
392 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
393 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override { print(os, indent); }
394};
395
396class AsmDecl : public Declaration {
397 public:
398 AsmStmt * stmt;
399
400 AsmDecl( AsmStmt * stmt );
401 AsmDecl( const AsmDecl & other );
402 virtual ~AsmDecl();
403
404 AsmStmt * get_stmt() { return stmt; }
405 void set_stmt( AsmStmt * newValue ) { stmt = newValue; }
406
407 virtual AsmDecl * clone() const override { return new AsmDecl( *this ); }
408 virtual void accept( Visitor & v ) override { v.visit( this ); }
409 virtual void accept( Visitor & v ) const override { v.visit( this ); }
410 virtual AsmDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
411 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
412 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
413};
414
415class DirectiveDecl : public Declaration {
416 public:
417 DirectiveStmt * stmt;
418
419 DirectiveDecl( DirectiveStmt * stmt );
420 DirectiveDecl( const DirectiveDecl & other );
421 virtual ~DirectiveDecl();
422
423 DirectiveStmt * get_stmt() { return stmt; }
424 void set_stmt( DirectiveStmt * newValue ) { stmt = newValue; }
425
426 virtual DirectiveDecl * clone() const override { return new DirectiveDecl( *this ); }
427 virtual void accept( Visitor & v ) override { v.visit( this ); }
428 virtual void accept( Visitor & v ) const override { v.visit( this ); }
429 virtual DirectiveDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
430 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
431 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
432};
433
434class StaticAssertDecl : public Declaration {
435public:
436 Expression * condition;
437 ConstantExpr * message; // string literal
438
439 StaticAssertDecl( Expression * condition, ConstantExpr * message );
440 StaticAssertDecl( const StaticAssertDecl & other );
441 virtual ~StaticAssertDecl();
442
443 virtual StaticAssertDecl * clone() const override { return new StaticAssertDecl( *this ); }
444 virtual void accept( Visitor & v ) override { v.visit( this ); }
445 virtual void accept( Visitor & v ) const override { v.visit( this ); }
446 virtual StaticAssertDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); }
447 virtual void print( std::ostream & os, Indenter indent = {} ) const override;
448 virtual void printShort( std::ostream & os, Indenter indent = {} ) const override;
449};
450
451std::ostream & operator<<( std::ostream & os, const TypeDecl::Data & data );
452
453// Local Variables: //
454// tab-width: 4 //
455// mode: c++ //
456// compile-command: "make install" //
457// End: //
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