source: src/SynTree/Expression.h@ 837a17c

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox memory 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 837a17c was 7bf7fb9, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

more refactoring of parser code
  • Property mode set to 100644
File size: 25.2 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// Expression.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 Aug 6 08:52:53 2016
13// Update Count : 35
14//
15
16#ifndef EXPRESSION_H
17#define EXPRESSION_H
18
19#include <map>
20#include <memory>
21#include "SynTree.h"
22#include "Visitor.h"
23#include "Mutator.h"
24#include "Constant.h"
25#include "Common/UniqueName.h"
26
27/// Expression is the root type for all expressions
28class Expression {
29 public:
30 Expression( Expression *_aname = nullptr );
31 Expression( const Expression &other );
32 virtual ~Expression();
33
34 std::list<Type *>& get_results() { return results; }
35 void add_result( Type *t );
36
37 TypeSubstitution *get_env() const { return env; }
38 void set_env( TypeSubstitution *newValue ) { env = newValue; }
39 Expression *get_argName() const { return argName; }
40 void set_argName( Expression *name ) { argName = name; }
41 bool get_extension() const { return extension; }
42 Expression * set_extension( bool exten ) { extension = exten; return this; }
43
44 virtual Expression *clone() const = 0;
45 virtual void accept( Visitor &v ) = 0;
46 virtual Expression *acceptMutator( Mutator &m ) = 0;
47 virtual void print( std::ostream &os, int indent = 0 ) const;
48 protected:
49 std::list<Type *> results;
50 TypeSubstitution *env;
51 Expression* argName; // if expression is used as an argument, it can be "designated" by this name
52 bool extension = false;
53};
54
55/// ParamEntry contains the i.d. of a declaration and a type that is derived from that declaration,
56/// but subject to decay-to-pointer and type parameter renaming
57struct ParamEntry {
58 ParamEntry(): decl( 0 ), actualType( 0 ), formalType( 0 ), expr( 0 ) {}
59 ParamEntry( UniqueId decl, Type *actualType, Type *formalType, Expression* expr ): decl( decl ), actualType( actualType ), formalType( formalType ), expr( expr ) {}
60 ParamEntry( const ParamEntry &other );
61 ~ParamEntry();
62 ParamEntry &operator=( const ParamEntry &other );
63
64 UniqueId decl;
65 Type *actualType;
66 Type *formalType;
67 Expression* expr;
68};
69
70typedef std::map< UniqueId, ParamEntry > InferredParams;
71
72/// ApplicationExpr represents the application of a function to a set of parameters. This is the result of running an
73/// UntypedExpr through the expression analyzer.
74class ApplicationExpr : public Expression {
75 public:
76 ApplicationExpr( Expression *function );
77 ApplicationExpr( const ApplicationExpr &other );
78 virtual ~ApplicationExpr();
79
80 Expression *get_function() const { return function; }
81 void set_function( Expression *newValue ) { function = newValue; }
82 std::list<Expression *>& get_args() { return args; }
83 InferredParams &get_inferParams() { return inferParams; }
84
85 virtual ApplicationExpr *clone() const { return new ApplicationExpr( *this ); }
86 virtual void accept( Visitor &v ) { v.visit( this ); }
87 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
88 virtual void print( std::ostream &os, int indent = 0 ) const;
89 private:
90 Expression *function;
91 std::list<Expression *> args;
92 InferredParams inferParams;
93};
94
95/// UntypedExpr represents the application of a function to a set of parameters, but where the particular overload for
96/// the function name has not yet been determined. Most operators are converted into functional form automatically, to
97/// permit operator overloading.
98class UntypedExpr : public Expression {
99 public:
100 UntypedExpr( Expression *function, Expression *_aname = nullptr );
101 UntypedExpr( const UntypedExpr &other );
102 UntypedExpr( Expression *function, std::list<Expression *> &args, Expression *_aname = nullptr );
103 virtual ~UntypedExpr();
104
105 Expression *get_function() const { return function; }
106 void set_function( Expression *newValue ) { function = newValue; }
107
108 void set_args( std::list<Expression *> &listArgs ) { args = listArgs; }
109 std::list<Expression*>::iterator begin_args() { return args.begin(); }
110 std::list<Expression*>::iterator end_args() { return args.end(); }
111 std::list<Expression*>& get_args() { return args; }
112
113 virtual UntypedExpr *clone() const { return new UntypedExpr( *this ); }
114 virtual void accept( Visitor &v ) { v.visit( this ); }
115 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
116 virtual void print( std::ostream &os, int indent = 0 ) const;
117 virtual void printArgs(std::ostream &os, int indent = 0) const;
118 private:
119 Expression *function;
120 std::list<Expression*> args;
121};
122
123/// NameExpr contains a name whose meaning is still not determined
124class NameExpr : public Expression {
125 public:
126 NameExpr( std::string name, Expression *_aname = nullptr );
127 NameExpr( const NameExpr &other );
128 virtual ~NameExpr();
129
130 const std::string &get_name() const { return name; }
131 void set_name( std::string newValue ) { name = newValue; }
132
133 virtual NameExpr *clone() const { return new NameExpr( *this ); }
134 virtual void accept( Visitor &v ) { v.visit( this ); }
135 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
136 virtual void print( std::ostream &os, int indent = 0 ) const;
137 private:
138 std::string name;
139};
140
141// The following classes are used to represent expression types that cannot be converted into
142// function-call format.
143
144/// AddressExpr represents a address-of expression, e.g. &e
145class AddressExpr : public Expression {
146 public:
147 AddressExpr( Expression *arg, Expression *_aname = nullptr );
148 AddressExpr( const AddressExpr &other );
149 virtual ~AddressExpr();
150
151 Expression *get_arg() const { return arg; }
152 void set_arg(Expression *newValue ) { arg = newValue; }
153
154 virtual AddressExpr *clone() const { return new AddressExpr( *this ); }
155 virtual void accept( Visitor &v ) { v.visit( this ); }
156 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
157 virtual void print( std::ostream &os, int indent = 0 ) const;
158 private:
159 Expression *arg;
160};
161
162// xxx - this doesn't appear to actually be hooked in anywhere. We should use this instead of the "&&"" UntypedExpr hack
163class LabelAddressExpr : public Expression {
164 public:
165 LabelAddressExpr( Expression *arg );
166 LabelAddressExpr( const LabelAddressExpr &other );
167 virtual ~LabelAddressExpr();
168
169 Expression *get_arg() const { return arg; }
170 void set_arg(Expression *newValue ) { arg = newValue; }
171
172 virtual LabelAddressExpr *clone() const { return new LabelAddressExpr( *this ); }
173 virtual void accept( Visitor &v ) { v.visit( this ); }
174 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
175 virtual void print( std::ostream &os, int indent = 0 ) const;
176 private:
177 Expression *arg;
178};
179
180/// CastExpr represents a type cast expression, e.g. (int)e
181class CastExpr : public Expression {
182 public:
183 CastExpr( Expression *arg, Expression *_aname = nullptr );
184 CastExpr( Expression *arg, Type *toType, Expression *_aname = nullptr );
185 CastExpr( const CastExpr &other );
186 virtual ~CastExpr();
187
188 Expression *get_arg() const { return arg; }
189 void set_arg(Expression *newValue ) { arg = newValue; }
190
191 virtual CastExpr *clone() const { return new CastExpr( *this ); }
192 virtual void accept( Visitor &v ) { v.visit( this ); }
193 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
194 virtual void print( std::ostream &os, int indent = 0 ) const;
195 private:
196 Expression *arg;
197};
198
199/// UntypedMemberExpr represents a member selection operation, e.g. q.p before processing by the expression analyzer
200class UntypedMemberExpr : public Expression {
201 public:
202 UntypedMemberExpr( std::string member, Expression *aggregate, Expression *_aname = nullptr );
203 UntypedMemberExpr( const UntypedMemberExpr &other );
204 virtual ~UntypedMemberExpr();
205
206 std::string get_member() const { return member; }
207 void set_member( const std::string &newValue ) { member = newValue; }
208 Expression *get_aggregate() const { return aggregate; }
209 void set_aggregate( Expression *newValue ) { aggregate = newValue; }
210
211 virtual UntypedMemberExpr *clone() const { return new UntypedMemberExpr( *this ); }
212 virtual void accept( Visitor &v ) { v.visit( this ); }
213 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
214 virtual void print( std::ostream &os, int indent = 0 ) const;
215 private:
216 std::string member;
217 Expression *aggregate;
218};
219
220/// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer
221class MemberExpr : public Expression {
222 public:
223 MemberExpr( DeclarationWithType *member, Expression *aggregate, Expression *_aname = nullptr );
224 MemberExpr( const MemberExpr &other );
225 virtual ~MemberExpr();
226
227 DeclarationWithType *get_member() const { return member; }
228 void set_member( DeclarationWithType *newValue ) { member = newValue; }
229 Expression *get_aggregate() const { return aggregate; }
230 void set_aggregate( Expression *newValue ) { aggregate = newValue; }
231
232 virtual MemberExpr *clone() const { return new MemberExpr( *this ); }
233 virtual void accept( Visitor &v ) { v.visit( this ); }
234 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
235 virtual void print( std::ostream &os, int indent = 0 ) const;
236 private:
237 DeclarationWithType *member;
238 Expression *aggregate;
239};
240
241/// VariableExpr represents an expression that simply refers to the value of a named variable
242class VariableExpr : public Expression {
243 public:
244 VariableExpr( DeclarationWithType *var, Expression *_aname = nullptr );
245 VariableExpr( const VariableExpr &other );
246 virtual ~VariableExpr();
247
248 DeclarationWithType *get_var() const { return var; }
249 void set_var( DeclarationWithType *newValue ) { var = newValue; }
250
251 virtual VariableExpr *clone() const { return new VariableExpr( *this ); }
252 virtual void accept( Visitor &v ) { v.visit( this ); }
253 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
254 virtual void print( std::ostream &os, int indent = 0 ) const;
255 private:
256 DeclarationWithType *var;
257};
258
259/// ConstantExpr represents an expression that simply refers to the value of a constant
260class ConstantExpr : public Expression {
261 public:
262 ConstantExpr( Constant constant, Expression *_aname = nullptr );
263 ConstantExpr( const ConstantExpr &other );
264 virtual ~ConstantExpr();
265
266 Constant *get_constant() { return &constant; }
267 void set_constant( const Constant &newValue ) { constant = newValue; }
268
269 virtual ConstantExpr *clone() const { return new ConstantExpr( *this ); }
270 virtual void accept( Visitor &v ) { v.visit( this ); }
271 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
272 virtual void print( std::ostream &os, int indent = 0 ) const;
273 private:
274 Constant constant;
275};
276
277/// SizeofExpr represents a sizeof expression (could be sizeof(int) or sizeof 3+4)
278class SizeofExpr : public Expression {
279 public:
280 SizeofExpr( Expression *expr, Expression *_aname = nullptr );
281 SizeofExpr( const SizeofExpr &other );
282 SizeofExpr( Type *type, Expression *_aname = nullptr );
283 virtual ~SizeofExpr();
284
285 Expression *get_expr() const { return expr; }
286 void set_expr( Expression *newValue ) { expr = newValue; }
287 Type *get_type() const { return type; }
288 void set_type( Type *newValue ) { type = newValue; }
289 bool get_isType() const { return isType; }
290 void set_isType( bool newValue ) { isType = newValue; }
291
292 virtual SizeofExpr *clone() const { return new SizeofExpr( *this ); }
293 virtual void accept( Visitor &v ) { v.visit( this ); }
294 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
295 virtual void print( std::ostream &os, int indent = 0 ) const;
296 private:
297 Expression *expr;
298 Type *type;
299 bool isType;
300};
301
302/// AlignofExpr represents an alignof expression
303class AlignofExpr : public Expression {
304 public:
305 AlignofExpr( Expression *expr, Expression *_aname = nullptr );
306 AlignofExpr( const AlignofExpr &other );
307 AlignofExpr( Type *type, Expression *_aname = nullptr );
308 virtual ~AlignofExpr();
309
310 Expression *get_expr() const { return expr; }
311 void set_expr( Expression *newValue ) { expr = newValue; }
312 Type *get_type() const { return type; }
313 void set_type( Type *newValue ) { type = newValue; }
314 bool get_isType() const { return isType; }
315 void set_isType( bool newValue ) { isType = newValue; }
316
317 virtual AlignofExpr *clone() const { return new AlignofExpr( *this ); }
318 virtual void accept( Visitor &v ) { v.visit( this ); }
319 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
320 virtual void print( std::ostream &os, int indent = 0 ) const;
321 private:
322 Expression *expr;
323 Type *type;
324 bool isType;
325};
326
327/// UntypedOffsetofExpr represents an offsetof expression before resolution
328class UntypedOffsetofExpr : public Expression {
329 public:
330 UntypedOffsetofExpr( Type *type, const std::string &member, Expression *_aname = nullptr );
331 UntypedOffsetofExpr( const UntypedOffsetofExpr &other );
332 virtual ~UntypedOffsetofExpr();
333
334 std::string get_member() const { return member; }
335 void set_member( const std::string &newValue ) { member = newValue; }
336 Type *get_type() const { return type; }
337 void set_type( Type *newValue ) { type = newValue; }
338
339 virtual UntypedOffsetofExpr *clone() const { return new UntypedOffsetofExpr( *this ); }
340 virtual void accept( Visitor &v ) { v.visit( this ); }
341 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
342 virtual void print( std::ostream &os, int indent = 0 ) const;
343 private:
344 Type *type;
345 std::string member;
346};
347
348/// OffsetofExpr represents an offsetof expression
349class OffsetofExpr : public Expression {
350 public:
351 OffsetofExpr( Type *type, DeclarationWithType *member, Expression *_aname = nullptr );
352 OffsetofExpr( const OffsetofExpr &other );
353 virtual ~OffsetofExpr();
354
355 Type *get_type() const { return type; }
356 void set_type( Type *newValue ) { type = newValue; }
357 DeclarationWithType *get_member() const { return member; }
358 void set_member( DeclarationWithType *newValue ) { member = newValue; }
359
360 virtual OffsetofExpr *clone() const { return new OffsetofExpr( *this ); }
361 virtual void accept( Visitor &v ) { v.visit( this ); }
362 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
363 virtual void print( std::ostream &os, int indent = 0 ) const;
364 private:
365 Type *type;
366 DeclarationWithType *member;
367};
368
369/// Expression representing a pack of field-offsets for a generic type
370class OffsetPackExpr : public Expression {
371public:
372 OffsetPackExpr( StructInstType *type_, Expression *aname_ = 0 );
373 OffsetPackExpr( const OffsetPackExpr &other );
374 virtual ~OffsetPackExpr();
375
376 StructInstType *get_type() const { return type; }
377 void set_type( StructInstType *newValue ) { type = newValue; }
378
379 virtual OffsetPackExpr *clone() const { return new OffsetPackExpr( *this ); }
380 virtual void accept( Visitor &v ) { v.visit( this ); }
381 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
382
383 virtual void print( std::ostream &os, int indent = 0 ) const;
384
385private:
386 StructInstType *type;
387};
388
389/// AttrExpr represents an @attribute expression (like sizeof, but user-defined)
390class AttrExpr : public Expression {
391 public:
392 AttrExpr(Expression *attr, Expression *expr, Expression *_aname = nullptr );
393 AttrExpr( const AttrExpr &other );
394 AttrExpr( Expression *attr, Type *type, Expression *_aname = nullptr );
395 virtual ~AttrExpr();
396
397 Expression *get_attr() const { return attr; }
398 void set_attr( Expression *newValue ) { attr = newValue; }
399 Expression *get_expr() const { return expr; }
400 void set_expr( Expression *newValue ) { expr = newValue; }
401 Type *get_type() const { return type; }
402 void set_type( Type *newValue ) { type = newValue; }
403 bool get_isType() const { return isType; }
404 void set_isType( bool newValue ) { isType = newValue; }
405
406 virtual AttrExpr *clone() const { return new AttrExpr( *this ); }
407 virtual void accept( Visitor &v ) { v.visit( this ); }
408 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
409 virtual void print( std::ostream &os, int indent = 0 ) const;
410 private:
411 Expression *attr;
412 Expression *expr;
413 Type *type;
414 bool isType;
415};
416
417/// LogicalExpr represents a short-circuit boolean expression (&& or ||)
418class LogicalExpr : public Expression {
419 public:
420 LogicalExpr( Expression *arg1, Expression *arg2, bool andp = true, Expression *_aname = nullptr );
421 LogicalExpr( const LogicalExpr &other );
422 virtual ~LogicalExpr();
423
424 bool get_isAnd() const { return isAnd; }
425 Expression *get_arg1() { return arg1; }
426 void set_arg1( Expression *newValue ) { arg1 = newValue; }
427 Expression *get_arg2() const { return arg2; }
428 void set_arg2( Expression *newValue ) { arg2 = newValue; }
429
430 virtual LogicalExpr *clone() const { return new LogicalExpr( *this ); }
431 virtual void accept( Visitor &v ) { v.visit( this ); }
432 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
433 virtual void print( std::ostream &os, int indent = 0 ) const;
434 private:
435 Expression *arg1;
436 Expression *arg2;
437 bool isAnd;
438};
439
440/// ConditionalExpr represents the three-argument conditional ( p ? a : b )
441class ConditionalExpr : public Expression {
442 public:
443 ConditionalExpr( Expression *arg1, Expression *arg2, Expression *arg3, Expression *_aname = nullptr );
444 ConditionalExpr( const ConditionalExpr &other );
445 virtual ~ConditionalExpr();
446
447 Expression *get_arg1() const { return arg1; }
448 void set_arg1( Expression *newValue ) { arg1 = newValue; }
449 Expression *get_arg2() const { return arg2; }
450 void set_arg2( Expression *newValue ) { arg2 = newValue; }
451 Expression *get_arg3() const { return arg3; }
452 void set_arg3( Expression *newValue ) { arg3 = newValue; }
453
454 virtual ConditionalExpr *clone() const { return new ConditionalExpr( *this ); }
455 virtual void accept( Visitor &v ) { v.visit( this ); }
456 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
457 virtual void print( std::ostream &os, int indent = 0 ) const;
458 private:
459 Expression *arg1;
460 Expression *arg2;
461 Expression *arg3;
462};
463
464/// CommaExpr represents the sequence operator ( a, b )
465class CommaExpr : public Expression {
466 public:
467 CommaExpr( Expression *arg1, Expression *arg2, Expression *_aname = nullptr );
468 CommaExpr( const CommaExpr &other );
469 virtual ~CommaExpr();
470
471 Expression *get_arg1() const { return arg1; }
472 void set_arg1( Expression *newValue ) { arg1 = newValue; }
473 Expression *get_arg2() const { return arg2; }
474 void set_arg2( Expression *newValue ) { arg2 = newValue; }
475
476 virtual CommaExpr *clone() const { return new CommaExpr( *this ); }
477 virtual void accept( Visitor &v ) { v.visit( this ); }
478 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
479 virtual void print( std::ostream &os, int indent = 0 ) const;
480 private:
481 Expression *arg1;
482 Expression *arg2;
483};
484
485/// TupleExpr represents a tuple expression ( [a, b, c] )
486class TupleExpr : public Expression {
487 public:
488 TupleExpr( Expression *_aname = nullptr );
489 TupleExpr( const TupleExpr &other );
490 virtual ~TupleExpr();
491
492 void set_exprs( std::list<Expression*> newValue ) { exprs = newValue; }
493 std::list<Expression*>& get_exprs() { return exprs; }
494
495 virtual TupleExpr *clone() const { return new TupleExpr( *this ); }
496 virtual void accept( Visitor &v ) { v.visit( this ); }
497 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
498 virtual void print( std::ostream &os, int indent = 0 ) const;
499 private:
500 std::list<Expression*> exprs;
501};
502
503/// SolvedTupleExpr represents a TupleExpr whose components have been type-resolved. It is effectively a shell for the code generator to work on
504class SolvedTupleExpr : public Expression {
505 public:
506 SolvedTupleExpr( Expression *_aname = nullptr ) : Expression( _aname ) {}
507 SolvedTupleExpr( std::list<Expression *> &, Expression *_aname = nullptr );
508 SolvedTupleExpr( const SolvedTupleExpr &other );
509 virtual ~SolvedTupleExpr() {}
510
511 std::list<Expression*> &get_exprs() { return exprs; }
512
513 virtual SolvedTupleExpr *clone() const { return new SolvedTupleExpr( *this ); }
514 virtual void accept( Visitor &v ) { v.visit( this ); }
515 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
516 virtual void print( std::ostream &os, int indent = 0 ) const;
517 private:
518 std::list<Expression*> exprs;
519};
520
521/// TypeExpr represents a type used in an expression (e.g. as a type generator parameter)
522class TypeExpr : public Expression {
523 public:
524 TypeExpr( Type *type );
525 TypeExpr( const TypeExpr &other );
526 virtual ~TypeExpr();
527
528 Type *get_type() const { return type; }
529 void set_type( Type *newValue ) { type = newValue; }
530
531 virtual TypeExpr *clone() const { return new TypeExpr( *this ); }
532 virtual void accept( Visitor &v ) { v.visit( this ); }
533 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
534 virtual void print( std::ostream &os, int indent = 0 ) const;
535 private:
536 Type *type;
537};
538
539/// AsmExpr represents a GCC 'asm constraint operand' used in an asm statement: [output] "=f" (result)
540class AsmExpr : public Expression {
541 public:
542 AsmExpr( Expression *inout, ConstantExpr *constraint, Expression *operand ) : inout( inout ), constraint( constraint ), operand( operand ) {}
543 AsmExpr( const AsmExpr & other );
544 virtual ~AsmExpr() { delete inout; delete constraint; delete operand; };
545
546 Expression *get_inout() const { return inout; }
547 void set_inout( Expression *newValue ) { inout = newValue; }
548
549 ConstantExpr *get_constraint() const { return constraint; }
550 void set_constraint( ConstantExpr *newValue ) { constraint = newValue; }
551
552 Expression *get_operand() const { return operand; }
553 void set_operand( Expression *newValue ) { operand = newValue; }
554
555 virtual AsmExpr *clone() const { return new AsmExpr( *this ); }
556 virtual void accept( Visitor &v ) { v.visit( this ); }
557 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
558 virtual void print( std::ostream &os, int indent = 0 ) const;
559 private:
560 // https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Machine-Constraints.html#Machine-Constraints
561 Expression *inout;
562 ConstantExpr *constraint;
563 Expression *operand;
564};
565
566/// ImplicitCopyCtorExpr represents the application of a function to a set of parameters,
567/// along with a set of copy constructor calls, one for each argument.
568class ImplicitCopyCtorExpr : public Expression {
569public:
570 ImplicitCopyCtorExpr( ApplicationExpr * callExpr );
571 ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other );
572 virtual ~ImplicitCopyCtorExpr();
573
574 ApplicationExpr *get_callExpr() const { return callExpr; }
575 void set_callExpr( ApplicationExpr *newValue ) { callExpr = newValue; }
576
577 std::list< ObjectDecl * > & get_tempDecls() { return tempDecls; }
578 void set_tempDecls( std::list< ObjectDecl * > newValue ) { tempDecls = newValue; }
579
580 std::list< ObjectDecl * > & get_returnDecls() { return returnDecls; }
581 void set_returnDecls( std::list< ObjectDecl * > newValue ) { returnDecls = newValue; }
582
583 std::list< Expression * > & get_dtors() { return dtors; }
584 void set_dtors( std::list< Expression * > newValue ) { dtors = newValue; }
585
586 virtual ImplicitCopyCtorExpr *clone() const { return new ImplicitCopyCtorExpr( *this ); }
587 virtual void accept( Visitor &v ) { v.visit( this ); }
588 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
589 virtual void print( std::ostream &os, int indent = 0 ) const;
590 private:
591 ApplicationExpr * callExpr;
592 std::list< ObjectDecl * > tempDecls;
593 std::list< ObjectDecl * > returnDecls;
594 std::list< Expression * > dtors;
595};
596
597/// ValofExpr represents a GCC 'lambda expression'
598class UntypedValofExpr : public Expression {
599 public:
600 UntypedValofExpr( Statement *_body, Expression *_aname = nullptr ) : Expression( _aname ), body ( _body ) {}
601 UntypedValofExpr( const UntypedValofExpr & other );
602 virtual ~UntypedValofExpr();
603
604 Expression *get_value();
605 Statement *get_body() const { return body; }
606
607 virtual UntypedValofExpr *clone() const { return new UntypedValofExpr( *this ); }
608 virtual void accept( Visitor &v ) { v.visit( this ); }
609 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
610 virtual void print( std::ostream &os, int indent = 0 ) const;
611 private:
612 Statement *body;
613};
614
615/// CompoundLiteralExpr represents a C99 'compound literal'
616class CompoundLiteralExpr : public Expression {
617 public:
618 CompoundLiteralExpr( Type * type, Initializer * initializer );
619 CompoundLiteralExpr( const CompoundLiteralExpr &other );
620 ~CompoundLiteralExpr();
621
622 Type * get_type() const { return type; }
623 void set_type( Type * t ) { type = t; }
624
625 Initializer * get_initializer() const { return initializer; }
626 void set_initializer( Initializer * i ) { initializer = i; }
627
628 virtual CompoundLiteralExpr *clone() const { return new CompoundLiteralExpr( *this ); }
629 virtual void accept( Visitor &v ) { v.visit( this ); }
630 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
631 virtual void print( std::ostream &os, int indent = 0 ) const;
632 private:
633 Type * type;
634 Initializer * initializer;
635};
636
637class RangeExpr : public Expression {
638 public:
639 RangeExpr( Expression *low, Expression *high );
640 RangeExpr( const RangeExpr &other );
641
642 Expression * get_low() const { return low; }
643 Expression * get_high() const { return high; }
644 RangeExpr * set_low( Expression *low ) { RangeExpr::low = low; return this; }
645 RangeExpr * set_high( Expression *high ) { RangeExpr::high = high; return this; }
646
647 virtual RangeExpr *clone() const { return new RangeExpr( *this ); }
648 virtual void accept( Visitor &v ) { v.visit( this ); }
649 virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); }
650 virtual void print( std::ostream &os, int indent = 0 ) const;
651 private:
652 Expression *low, *high;
653};
654
655std::ostream & operator<<( std::ostream & out, Expression * expr );
656
657#endif // EXPRESSION_H
658
659// Local Variables: //
660// tab-width: 4 //
661// mode: c++ //
662// compile-command: "make install" //
663// End: //
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