source: src/SynTree/Statement.h@ fbfb38e

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii 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 fbfb38e was 3be261a, checked in by Rob Schluntz <rschlunt@…>, 10 years ago

added copy constructors and destructors to many types that were missing them
  • Property mode set to 100644
File size: 14.5 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
24class Statement {
25 public:
26 Statement( std::list<Label> labels );
27 virtual ~Statement();
28
29 std::list<Label> & get_labels() { return labels; }
30 const std::list<Label> & get_labels() const { return labels; }
31
32 virtual Statement *clone() const = 0;
33 virtual void accept( Visitor &v ) = 0;
34 virtual Statement *acceptMutator( Mutator &m ) = 0;
35 virtual void print( std::ostream &os, int indent = 0 ) const;
36 protected:
37 std::list<Label> labels;
38};
39
40class CompoundStmt : public Statement {
41 public:
42 CompoundStmt( std::list<Label> labels );
43 CompoundStmt( const CompoundStmt &other );
44 virtual ~CompoundStmt();
45
46 std::list<Statement*>& get_kids() { return kids; }
47
48 virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); }
49 virtual void accept( Visitor &v ) { v.visit( this ); }
50 virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
51 virtual void print( std::ostream &os, int indent = 0 ) const;
52 private:
53 std::list<Statement*> kids;
54};
55
56class ExprStmt : public Statement {
57 public:
58 ExprStmt( std::list<Label> labels, Expression *expr );
59 ExprStmt( const ExprStmt &other );
60 virtual ~ExprStmt();
61
62 Expression *get_expr() { return expr; }
63 void set_expr( Expression *newValue ) { expr = newValue; }
64
65 virtual ExprStmt *clone() const { return new ExprStmt( *this ); }
66 virtual void accept( Visitor &v ) { v.visit( this ); }
67 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
68 virtual void print( std::ostream &os, int indent = 0 ) const;
69 private:
70 Expression *expr;
71};
72
73class AsmStmt : public Statement {
74 public:
75 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 );
76 AsmStmt( const AsmStmt &other );
77 virtual ~AsmStmt();
78
79 bool get_voltile() { return voltile; }
80 void set_voltile( bool newValue ) { voltile = newValue; }
81 ConstantExpr *get_instruction() { return instruction; }
82 void set_instruction( ConstantExpr *newValue ) { instruction = newValue; }
83 std::list<Expression *> &get_output() { return output; }
84 void set_output( const std::list<Expression *> &newValue ) { output = newValue; }
85 std::list<Expression *> &get_input() { return input; }
86 void set_input( const std::list<Expression *> &newValue ) { input = newValue; }
87 std::list<ConstantExpr *> &get_clobber() { return clobber; }
88 void set_clobber( const std::list<ConstantExpr *> &newValue ) { clobber = newValue; }
89 std::list<Label> &get_gotolabels() { return gotolabels; }
90 void set_gotolabels( const std::list<Label> &newValue ) { gotolabels = newValue; }
91
92 virtual AsmStmt *clone() const { return new AsmStmt( *this ); }
93 virtual void accept( Visitor &v ) { v.visit( this ); }
94 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
95 virtual void print( std::ostream &os, int indent = 0 ) const;
96 private:
97 bool voltile;
98 ConstantExpr *instruction;
99 std::list<Expression *> output, input;
100 std::list<ConstantExpr *> clobber;
101 std::list<Label> gotolabels;
102};
103
104class IfStmt : public Statement {
105 public:
106 IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart );
107 IfStmt( const IfStmt &other );
108 virtual ~IfStmt();
109
110 Expression *get_condition() { return condition; }
111 void set_condition( Expression *newValue ) { condition = newValue; }
112 Statement *get_thenPart() { return thenPart; }
113 void set_thenPart( Statement *newValue ) { thenPart = newValue; }
114 Statement *get_elsePart() { return elsePart; }
115 void set_elsePart( Statement *newValue ) { elsePart = newValue; }
116
117 virtual IfStmt *clone() const { return new IfStmt( *this ); }
118 virtual void accept( Visitor &v ) { v.visit( this ); }
119 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
120 virtual void print( std::ostream &os, int indent = 0 ) const;
121 private:
122 Expression *condition;
123 Statement *thenPart;
124 Statement *elsePart;
125};
126
127class SwitchStmt : public Statement {
128 public:
129 SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
130 SwitchStmt( const SwitchStmt &other );
131 virtual ~SwitchStmt();
132
133 Expression *get_condition() { return condition; }
134 void set_condition( Expression *newValue ) { condition = newValue; }
135
136 std::list<Statement *> & get_branches() { return branches; }
137 void add_case( CaseStmt * );
138
139 virtual void accept( Visitor &v ) { v.visit( this ); }
140 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
141
142 virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); }
143 virtual void print( std::ostream &os, int indent = 0 ) const;
144 private:
145 Expression * condition;
146 std::list<Statement *> branches; // should be list of CaseStmt
147};
148
149class ChooseStmt : public Statement {
150 public:
151 ChooseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
152 ChooseStmt( const ChooseStmt &other );
153 virtual ~ChooseStmt();
154
155 Expression *get_condition() { return condition; }
156 void set_condition( Expression *newValue ) { condition = newValue; }
157
158 std::list<Statement *>& get_branches() { return branches; }
159 void add_case( CaseStmt * );
160
161 virtual void accept( Visitor &v ) { v.visit( this ); }
162 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
163
164 virtual ChooseStmt *clone() const { return new ChooseStmt( *this ); }
165 virtual void print( std::ostream &os, int indent = 0 ) const;
166 private:
167 Expression *condition;
168 std::list<Statement *> branches; // should be list of CaseStmt
169};
170
171class FallthruStmt : public Statement {
172 public:
173 FallthruStmt( std::list<Label> labels ) : Statement( labels ) { }
174
175 virtual void accept( Visitor &v ) { v.visit( this ); }
176 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
177
178 virtual FallthruStmt *clone() const { return new FallthruStmt( *this ); }
179 virtual void print( std::ostream &os, int indent = 0 ) const;
180};
181
182class CaseStmt : public Statement {
183 public:
184 CaseStmt( std::list<Label> labels, Expression *conditions,
185 std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
186 CaseStmt( const CaseStmt &other );
187 virtual ~CaseStmt();
188
189 static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(),
190 std::list<Statement *> stmts = std::list<Statement *>() );
191
192 bool isDefault() const { return _isDefault; }
193 void set_default(bool b) { _isDefault = b; }
194
195 Expression * &get_condition() { return condition; }
196 void set_condition( Expression *newValue ) { condition = newValue; }
197
198 std::list<Statement *> &get_statements() { return stmts; }
199 void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; }
200
201 virtual void accept( Visitor &v ) { v.visit( this ); }
202 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
203
204 virtual CaseStmt *clone() const { return new CaseStmt( *this ); }
205 virtual void print( std::ostream &os, int indent = 0 ) const;
206 private:
207 Expression * condition;
208 std::list<Statement *> stmts;
209 bool _isDefault;
210};
211
212class WhileStmt : public Statement {
213 public:
214 WhileStmt( std::list<Label> labels, Expression *condition,
215 Statement *body, bool isDoWhile = false );
216 WhileStmt( const WhileStmt &other );
217 virtual ~WhileStmt();
218
219 Expression *get_condition() { return condition; }
220 void set_condition( Expression *newValue ) { condition = newValue; }
221 Statement *get_body() { return body; }
222 void set_body( Statement *newValue ) { body = newValue; }
223 bool get_isDoWhile() { return isDoWhile; }
224 void set_isDoWhile( bool newValue ) { isDoWhile = newValue; }
225
226 virtual WhileStmt *clone() const { return new WhileStmt( *this ); }
227 virtual void accept( Visitor &v ) { v.visit( this ); }
228 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
229 virtual void print( std::ostream &os, int indent = 0 ) const;
230 private:
231 Expression *condition;
232 Statement *body;
233 bool isDoWhile;
234};
235
236class ForStmt : public Statement {
237 public:
238 ForStmt( std::list<Label> labels, std::list<Statement *> initialization,
239 Expression *condition = 0, Expression *increment = 0, Statement *body = 0 );
240 ForStmt( const ForStmt &other );
241 virtual ~ForStmt();
242
243 std::list<Statement *> &get_initialization() { return initialization; }
244 void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; }
245 Expression *get_condition() { return condition; }
246 void set_condition( Expression *newValue ) { condition = newValue; }
247 Expression *get_increment() { return increment; }
248 void set_increment( Expression *newValue ) { increment = newValue; }
249 Statement *get_body() { return body; }
250 void set_body( Statement *newValue ) { body = newValue; }
251
252 virtual ForStmt *clone() const { return new ForStmt( *this ); }
253 virtual void accept( Visitor &v ) { v.visit( this ); }
254 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
255 virtual void print( std::ostream &os, int indent = 0 ) const;
256 private:
257 std::list<Statement *> initialization;
258 Expression *condition;
259 Expression *increment;
260 Statement *body;
261};
262
263class BranchStmt : public Statement {
264 public:
265 enum Type { Goto = 0, Break, Continue };
266
267 BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError);
268 BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError);
269
270 Label get_originalTarget() { return originalTarget; }
271 Label get_target() { return target; }
272 void set_target( Label newValue ) { target = newValue; }
273
274 Expression *get_computedTarget() { return computedTarget; }
275 void set_target( Expression * newValue ) { computedTarget = newValue; }
276
277 Type get_type() { return type; }
278 const char *get_typename() { return brType[ type ]; }
279
280 virtual BranchStmt *clone() const { return new BranchStmt( *this ); }
281 virtual void accept( Visitor &v ) { v.visit( this ); }
282 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
283 virtual void print( std::ostream &os, int indent = 0 ) const;
284 private:
285 static const char *brType[];
286 Label originalTarget; // can give better error messages if we remember the label name that the user entered
287 Label target;
288 Expression *computedTarget;
289 Type type;
290};
291
292class ReturnStmt : public Statement {
293 public:
294 ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
295 ReturnStmt( const ReturnStmt &other );
296 virtual ~ReturnStmt();
297
298 Expression *get_expr() { return expr; }
299 void set_expr( Expression *newValue ) { expr = newValue; }
300
301 virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); }
302 virtual void accept( Visitor &v ) { v.visit( this ); }
303 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
304 virtual void print( std::ostream &os, int indent = 0 ) const;
305 private:
306 Expression *expr;
307 bool isThrow;
308};
309
310
311class NullStmt : public CompoundStmt {
312 public:
313 NullStmt();
314 NullStmt( std::list<Label> labels );
315
316 virtual NullStmt *clone() const { return new NullStmt( *this ); }
317 virtual void accept( Visitor &v ) { v.visit( this ); }
318 virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
319 virtual void print( std::ostream &os, int indent = 0 ) const;
320
321 private:
322};
323
324class TryStmt : public Statement {
325 public:
326 TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
327 TryStmt( const TryStmt &other );
328 virtual ~TryStmt();
329
330 CompoundStmt *get_block() const { return block; }
331 void set_block( CompoundStmt *newValue ) { block = newValue; }
332 std::list<Statement *>& get_catchers() { return handlers; }
333
334 FinallyStmt *get_finally() const { return finallyBlock; }
335 void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; }
336
337 virtual TryStmt *clone() const { return new TryStmt( *this ); }
338 virtual void accept( Visitor &v ) { v.visit( this ); }
339 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
340 virtual void print( std::ostream &os, int indent = 0 ) const;
341
342 private:
343 CompoundStmt *block;
344 std::list<Statement *> handlers;
345 FinallyStmt *finallyBlock;
346};
347
348class CatchStmt : public Statement {
349 public:
350 CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool isCatchRest = false );
351 CatchStmt( const CatchStmt &other );
352 virtual ~CatchStmt();
353
354 Declaration *get_decl() { return decl; }
355 void set_decl( Declaration *newValue ) { decl = newValue; }
356
357 Statement *get_body() { return body; }
358 void set_body( Statement *newValue ) { body = newValue; }
359
360 virtual CatchStmt *clone() const { return new CatchStmt( *this ); }
361 virtual void accept( Visitor &v ) { v.visit( this ); }
362 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
363 virtual void print( std::ostream &os, int indent = 0 ) const;
364
365 private:
366 Declaration *decl;
367 Statement *body;
368 bool catchRest;
369};
370
371class FinallyStmt : public Statement {
372 public:
373 FinallyStmt( std::list<Label> labels, CompoundStmt *block );
374 FinallyStmt( const FinallyStmt &other );
375 virtual ~FinallyStmt();
376
377 CompoundStmt *get_block() const { return block; }
378 void set_block( CompoundStmt *newValue ) { block = newValue; }
379
380 virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); }
381 virtual void accept( Visitor &v ) { v.visit( this ); }
382 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
383 virtual void print( std::ostream &os, int indent = 0 ) const;
384 private:
385 CompoundStmt *block;
386};
387
388
389// represents a declaration that occurs as part of a compound statement
390class DeclStmt : public Statement {
391 public:
392 DeclStmt( std::list<Label> labels, Declaration *decl );
393 DeclStmt( const DeclStmt &other );
394 virtual ~DeclStmt();
395
396 Declaration *get_decl() { return decl; }
397 void set_decl( Declaration *newValue ) { decl = newValue; }
398
399 virtual DeclStmt *clone() const { return new DeclStmt( *this ); }
400 virtual void accept( Visitor &v ) { v.visit( this ); }
401 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
402 virtual void print( std::ostream &os, int indent = 0 ) const;
403 private:
404 Declaration *decl;
405};
406
407std::ostream & operator<<( std::ostream & out, Statement * statement );
408
409#endif // STATEMENT_H
410
411// Local Variables: //
412// tab-width: 4 //
413// mode: c++ //
414// compile-command: "make install" //
415// End: //
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