source: src/SynTree/Statement.h@ 945047e

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 945047e was 0f8e4ac, checked in by Rob Schluntz <rschlunt@…>, 9 years ago

change Label from a string typedef to a class
  • Property mode set to 100644
File size: 15.5 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// Statement.h --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Rob Schluntz
12// Last Modified On : Wed Dec 09 14:09:24 2015
13// Update Count : 46
14//
15
16#ifndef STATEMENT_H
17#define STATEMENT_H
18
19#include "SynTree.h"
20#include "Visitor.h"
21#include "Mutator.h"
22#include "Common/SemanticError.h"
23#include "Type.h"
24#include "Label.h"
25
26class Statement {
27 public:
28 Statement( std::list<Label> labels );
29 virtual ~Statement();
30
31 std::list<Label> & get_labels() { return labels; }
32 const std::list<Label> & get_labels() const { return labels; }
33
34 virtual Statement *clone() const = 0;
35 virtual void accept( Visitor &v ) = 0;
36 virtual Statement *acceptMutator( Mutator &m ) = 0;
37 virtual void print( std::ostream &os, int indent = 0 ) const;
38 protected:
39 std::list<Label> labels;
40};
41
42class CompoundStmt : public Statement {
43 public:
44 CompoundStmt( std::list<Label> labels );
45 CompoundStmt( const CompoundStmt &other );
46 virtual ~CompoundStmt();
47
48 std::list<Statement*>& get_kids() { return kids; }
49
50 virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); }
51 virtual void accept( Visitor &v ) { v.visit( this ); }
52 virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
53 virtual void print( std::ostream &os, int indent = 0 ) const;
54 private:
55 std::list<Statement*> kids;
56};
57
58class ExprStmt : public Statement {
59 public:
60 ExprStmt( std::list<Label> labels, Expression *expr );
61 ExprStmt( const ExprStmt &other );
62 virtual ~ExprStmt();
63
64 Expression *get_expr() { return expr; }
65 void set_expr( Expression *newValue ) { expr = newValue; }
66
67 virtual ExprStmt *clone() const { return new ExprStmt( *this ); }
68 virtual void accept( Visitor &v ) { v.visit( this ); }
69 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
70 virtual void print( std::ostream &os, int indent = 0 ) const;
71 private:
72 Expression *expr;
73};
74
75class AsmStmt : public Statement {
76 public:
77 AsmStmt( std::list<Label> labels, bool voltile, ConstantExpr *instruction, std::list<Expression *> input, std::list<Expression *> output, std::list<ConstantExpr *> clobber, std::list<Label> gotolabels );
78 AsmStmt( const AsmStmt &other );
79 virtual ~AsmStmt();
80
81 bool get_voltile() { return voltile; }
82 void set_voltile( bool newValue ) { voltile = newValue; }
83 ConstantExpr *get_instruction() { return instruction; }
84 void set_instruction( ConstantExpr *newValue ) { instruction = newValue; }
85 std::list<Expression *> &get_output() { return output; }
86 void set_output( const std::list<Expression *> &newValue ) { output = newValue; }
87 std::list<Expression *> &get_input() { return input; }
88 void set_input( const std::list<Expression *> &newValue ) { input = newValue; }
89 std::list<ConstantExpr *> &get_clobber() { return clobber; }
90 void set_clobber( const std::list<ConstantExpr *> &newValue ) { clobber = newValue; }
91 std::list<Label> &get_gotolabels() { return gotolabels; }
92 void set_gotolabels( const std::list<Label> &newValue ) { gotolabels = newValue; }
93
94 virtual AsmStmt *clone() const { return new AsmStmt( *this ); }
95 virtual void accept( Visitor &v ) { v.visit( this ); }
96 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
97 virtual void print( std::ostream &os, int indent = 0 ) const;
98 private:
99 bool voltile;
100 ConstantExpr *instruction;
101 std::list<Expression *> output, input;
102 std::list<ConstantExpr *> clobber;
103 std::list<Label> gotolabels;
104};
105
106class IfStmt : public Statement {
107 public:
108 IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart );
109 IfStmt( const IfStmt &other );
110 virtual ~IfStmt();
111
112 Expression *get_condition() { return condition; }
113 void set_condition( Expression *newValue ) { condition = newValue; }
114 Statement *get_thenPart() { return thenPart; }
115 void set_thenPart( Statement *newValue ) { thenPart = newValue; }
116 Statement *get_elsePart() { return elsePart; }
117 void set_elsePart( Statement *newValue ) { elsePart = newValue; }
118
119 virtual IfStmt *clone() const { return new IfStmt( *this ); }
120 virtual void accept( Visitor &v ) { v.visit( this ); }
121 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
122 virtual void print( std::ostream &os, int indent = 0 ) const;
123 private:
124 Expression *condition;
125 Statement *thenPart;
126 Statement *elsePart;
127};
128
129class SwitchStmt : public Statement {
130 public:
131 SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
132 SwitchStmt( const SwitchStmt &other );
133 virtual ~SwitchStmt();
134
135 Expression *get_condition() { return condition; }
136 void set_condition( Expression *newValue ) { condition = newValue; }
137
138 std::list<Statement *> & get_branches() { return branches; }
139 void add_case( CaseStmt * );
140
141 virtual void accept( Visitor &v ) { v.visit( this ); }
142 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
143
144 virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); }
145 virtual void print( std::ostream &os, int indent = 0 ) const;
146 private:
147 Expression * condition;
148 std::list<Statement *> branches; // should be list of CaseStmt
149};
150
151class ChooseStmt : public Statement {
152 public:
153 ChooseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
154 ChooseStmt( const ChooseStmt &other );
155 virtual ~ChooseStmt();
156
157 Expression *get_condition() { return condition; }
158 void set_condition( Expression *newValue ) { condition = newValue; }
159
160 std::list<Statement *>& get_branches() { return branches; }
161 void add_case( CaseStmt * );
162
163 virtual void accept( Visitor &v ) { v.visit( this ); }
164 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
165
166 virtual ChooseStmt *clone() const { return new ChooseStmt( *this ); }
167 virtual void print( std::ostream &os, int indent = 0 ) const;
168 private:
169 Expression *condition;
170 std::list<Statement *> branches; // should be list of CaseStmt
171};
172
173class FallthruStmt : public Statement {
174 public:
175 FallthruStmt( std::list<Label> labels ) : Statement( labels ) { }
176
177 virtual void accept( Visitor &v ) { v.visit( this ); }
178 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
179
180 virtual FallthruStmt *clone() const { return new FallthruStmt( *this ); }
181 virtual void print( std::ostream &os, int indent = 0 ) const;
182};
183
184class CaseStmt : public Statement {
185 public:
186 CaseStmt( std::list<Label> labels, Expression *conditions,
187 std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
188 CaseStmt( const CaseStmt &other );
189 virtual ~CaseStmt();
190
191 static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(),
192 std::list<Statement *> stmts = std::list<Statement *>() );
193
194 bool isDefault() const { return _isDefault; }
195 void set_default(bool b) { _isDefault = b; }
196
197 Expression * &get_condition() { return condition; }
198 void set_condition( Expression *newValue ) { condition = newValue; }
199
200 std::list<Statement *> &get_statements() { return stmts; }
201 void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; }
202
203 virtual void accept( Visitor &v ) { v.visit( this ); }
204 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
205
206 virtual CaseStmt *clone() const { return new CaseStmt( *this ); }
207 virtual void print( std::ostream &os, int indent = 0 ) const;
208 private:
209 Expression * condition;
210 std::list<Statement *> stmts;
211 bool _isDefault;
212};
213
214class WhileStmt : public Statement {
215 public:
216 WhileStmt( std::list<Label> labels, Expression *condition,
217 Statement *body, bool isDoWhile = false );
218 WhileStmt( const WhileStmt &other );
219 virtual ~WhileStmt();
220
221 Expression *get_condition() { return condition; }
222 void set_condition( Expression *newValue ) { condition = newValue; }
223 Statement *get_body() { return body; }
224 void set_body( Statement *newValue ) { body = newValue; }
225 bool get_isDoWhile() { return isDoWhile; }
226 void set_isDoWhile( bool newValue ) { isDoWhile = newValue; }
227
228 virtual WhileStmt *clone() const { return new WhileStmt( *this ); }
229 virtual void accept( Visitor &v ) { v.visit( this ); }
230 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
231 virtual void print( std::ostream &os, int indent = 0 ) const;
232 private:
233 Expression *condition;
234 Statement *body;
235 bool isDoWhile;
236};
237
238class ForStmt : public Statement {
239 public:
240 ForStmt( std::list<Label> labels, std::list<Statement *> initialization,
241 Expression *condition = 0, Expression *increment = 0, Statement *body = 0 );
242 ForStmt( const ForStmt &other );
243 virtual ~ForStmt();
244
245 std::list<Statement *> &get_initialization() { return initialization; }
246 void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; }
247 Expression *get_condition() { return condition; }
248 void set_condition( Expression *newValue ) { condition = newValue; }
249 Expression *get_increment() { return increment; }
250 void set_increment( Expression *newValue ) { increment = newValue; }
251 Statement *get_body() { return body; }
252 void set_body( Statement *newValue ) { body = newValue; }
253
254 virtual ForStmt *clone() const { return new ForStmt( *this ); }
255 virtual void accept( Visitor &v ) { v.visit( this ); }
256 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
257 virtual void print( std::ostream &os, int indent = 0 ) const;
258 private:
259 std::list<Statement *> initialization;
260 Expression *condition;
261 Expression *increment;
262 Statement *body;
263};
264
265class BranchStmt : public Statement {
266 public:
267 enum Type { Goto = 0, Break, Continue };
268
269 BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError);
270 BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError);
271
272 Label get_originalTarget() { return originalTarget; }
273 Label get_target() { return target; }
274 void set_target( Label newValue ) { target = newValue; }
275
276 Expression *get_computedTarget() { return computedTarget; }
277 void set_target( Expression * newValue ) { computedTarget = newValue; }
278
279 Type get_type() { return type; }
280 const char *get_typename() { return brType[ type ]; }
281
282 virtual BranchStmt *clone() const { return new BranchStmt( *this ); }
283 virtual void accept( Visitor &v ) { v.visit( this ); }
284 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
285 virtual void print( std::ostream &os, int indent = 0 ) const;
286 private:
287 static const char *brType[];
288 Label originalTarget; // can give better error messages if we remember the label name that the user entered
289 Label target;
290 Expression *computedTarget;
291 Type type;
292};
293
294class ReturnStmt : public Statement {
295 public:
296 ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
297 ReturnStmt( const ReturnStmt &other );
298 virtual ~ReturnStmt();
299
300 Expression *get_expr() { return expr; }
301 void set_expr( Expression *newValue ) { expr = newValue; }
302
303 virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); }
304 virtual void accept( Visitor &v ) { v.visit( this ); }
305 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
306 virtual void print( std::ostream &os, int indent = 0 ) const;
307 private:
308 Expression *expr;
309 bool isThrow;
310};
311
312
313class NullStmt : public CompoundStmt {
314 public:
315 NullStmt();
316 NullStmt( std::list<Label> labels );
317
318 virtual NullStmt *clone() const { return new NullStmt( *this ); }
319 virtual void accept( Visitor &v ) { v.visit( this ); }
320 virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
321 virtual void print( std::ostream &os, int indent = 0 ) const;
322
323 private:
324};
325
326class TryStmt : public Statement {
327 public:
328 TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
329 TryStmt( const TryStmt &other );
330 virtual ~TryStmt();
331
332 CompoundStmt *get_block() const { return block; }
333 void set_block( CompoundStmt *newValue ) { block = newValue; }
334 std::list<Statement *>& get_catchers() { return handlers; }
335
336 FinallyStmt *get_finally() const { return finallyBlock; }
337 void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; }
338
339 virtual TryStmt *clone() const { return new TryStmt( *this ); }
340 virtual void accept( Visitor &v ) { v.visit( this ); }
341 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
342 virtual void print( std::ostream &os, int indent = 0 ) const;
343
344 private:
345 CompoundStmt *block;
346 std::list<Statement *> handlers;
347 FinallyStmt *finallyBlock;
348};
349
350class CatchStmt : public Statement {
351 public:
352 CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool isCatchRest = false );
353 CatchStmt( const CatchStmt &other );
354 virtual ~CatchStmt();
355
356 Declaration *get_decl() { return decl; }
357 void set_decl( Declaration *newValue ) { decl = newValue; }
358
359 Statement *get_body() { return body; }
360 void set_body( Statement *newValue ) { body = newValue; }
361
362 virtual CatchStmt *clone() const { return new CatchStmt( *this ); }
363 virtual void accept( Visitor &v ) { v.visit( this ); }
364 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
365 virtual void print( std::ostream &os, int indent = 0 ) const;
366
367 private:
368 Declaration *decl;
369 Statement *body;
370 bool catchRest;
371};
372
373class FinallyStmt : public Statement {
374 public:
375 FinallyStmt( std::list<Label> labels, CompoundStmt *block );
376 FinallyStmt( const FinallyStmt &other );
377 virtual ~FinallyStmt();
378
379 CompoundStmt *get_block() const { return block; }
380 void set_block( CompoundStmt *newValue ) { block = newValue; }
381
382 virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); }
383 virtual void accept( Visitor &v ) { v.visit( this ); }
384 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
385 virtual void print( std::ostream &os, int indent = 0 ) const;
386 private:
387 CompoundStmt *block;
388};
389
390
391// represents a declaration that occurs as part of a compound statement
392class DeclStmt : public Statement {
393 public:
394 DeclStmt( std::list<Label> labels, Declaration *decl );
395 DeclStmt( const DeclStmt &other );
396 virtual ~DeclStmt();
397
398 Declaration *get_decl() const { return decl; }
399 void set_decl( Declaration *newValue ) { decl = newValue; }
400
401 virtual DeclStmt *clone() const { return new DeclStmt( *this ); }
402 virtual void accept( Visitor &v ) { v.visit( this ); }
403 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
404 virtual void print( std::ostream &os, int indent = 0 ) const;
405 private:
406 Declaration *decl;
407};
408
409
410/// represents an implicit application of a constructor or destructor. Qualifiers are replaced
411/// immediately before and after the call so that qualified objects can be constructed
412/// with the same functions as unqualified objects.
413class ImplicitCtorDtorStmt : public Statement {
414 public:
415 ImplicitCtorDtorStmt( Statement * callStmt );
416 ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other );
417 virtual ~ImplicitCtorDtorStmt();
418
419 Statement *get_callStmt() const { return callStmt; }
420 void set_callStmt( Statement * newValue ) { callStmt = newValue; }
421
422 virtual ImplicitCtorDtorStmt *clone() const { return new ImplicitCtorDtorStmt( *this ); }
423 virtual void accept( Visitor &v ) { v.visit( this ); }
424 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
425 virtual void print( std::ostream &os, int indent = 0 ) const;
426
427 private:
428 // Non-owned pointer to the constructor/destructor statement
429 Statement * callStmt;
430};
431
432
433std::ostream & operator<<( std::ostream & out, Statement * statement );
434
435#endif // STATEMENT_H
436
437// Local Variables: //
438// tab-width: 4 //
439// mode: c++ //
440// compile-command: "make install" //
441// End: //
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