source: src/SynTree/Statement.h@ 4ab9536

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 4ab9536 was c8dfcd3, checked in by Rob Schluntz <rschlunt@…>, 9 years ago

insert implicit ctor/dtors if field is unhandled in a struct ctor/dtor
  • Property mode set to 100644
File size: 14.4 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 : Peter A. Buhr
12// Last Modified On : Fri Aug 12 13:57:46 2016
13// Update Count : 65
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 void push_back( Statement * stmt ) { kids.push_back( stmt ); }
50 void push_front( Statement * stmt ) { kids.push_front( stmt ); }
51
52 virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); }
53 virtual void accept( Visitor &v ) { v.visit( this ); }
54 virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
55 virtual void print( std::ostream &os, int indent = 0 ) const;
56 private:
57 std::list<Statement*> kids;
58};
59
60class ExprStmt : public Statement {
61 public:
62 ExprStmt( std::list<Label> labels, Expression *expr );
63 ExprStmt( const ExprStmt &other );
64 virtual ~ExprStmt();
65
66 Expression *get_expr() { return expr; }
67 void set_expr( Expression *newValue ) { expr = newValue; }
68
69 virtual ExprStmt *clone() const { return new ExprStmt( *this ); }
70 virtual void accept( Visitor &v ) { v.visit( this ); }
71 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
72 virtual void print( std::ostream &os, int indent = 0 ) const;
73 private:
74 Expression *expr;
75};
76
77class AsmStmt : public Statement {
78 public:
79 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 );
80 AsmStmt( const AsmStmt &other );
81 virtual ~AsmStmt();
82
83 bool get_voltile() { return voltile; }
84 void set_voltile( bool newValue ) { voltile = newValue; }
85 ConstantExpr *get_instruction() { return instruction; }
86 void set_instruction( ConstantExpr *newValue ) { instruction = newValue; }
87 std::list<Expression *> &get_output() { return output; }
88 void set_output( const std::list<Expression *> &newValue ) { output = newValue; }
89 std::list<Expression *> &get_input() { return input; }
90 void set_input( const std::list<Expression *> &newValue ) { input = newValue; }
91 std::list<ConstantExpr *> &get_clobber() { return clobber; }
92 void set_clobber( const std::list<ConstantExpr *> &newValue ) { clobber = newValue; }
93 std::list<Label> &get_gotolabels() { return gotolabels; }
94 void set_gotolabels( const std::list<Label> &newValue ) { gotolabels = newValue; }
95
96 virtual AsmStmt *clone() const { return new AsmStmt( *this ); }
97 virtual void accept( Visitor &v ) { v.visit( this ); }
98 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
99 virtual void print( std::ostream &os, int indent = 0 ) const;
100 private:
101 bool voltile;
102 ConstantExpr *instruction;
103 std::list<Expression *> output, input;
104 std::list<ConstantExpr *> clobber;
105 std::list<Label> gotolabels;
106};
107
108class IfStmt : public Statement {
109 public:
110 IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart );
111 IfStmt( const IfStmt &other );
112 virtual ~IfStmt();
113
114 Expression *get_condition() { return condition; }
115 void set_condition( Expression *newValue ) { condition = newValue; }
116 Statement *get_thenPart() { return thenPart; }
117 void set_thenPart( Statement *newValue ) { thenPart = newValue; }
118 Statement *get_elsePart() { return elsePart; }
119 void set_elsePart( Statement *newValue ) { elsePart = newValue; }
120
121 virtual IfStmt *clone() const { return new IfStmt( *this ); }
122 virtual void accept( Visitor &v ) { v.visit( this ); }
123 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
124 virtual void print( std::ostream &os, int indent = 0 ) const;
125 private:
126 Expression *condition;
127 Statement *thenPart;
128 Statement *elsePart;
129};
130
131class SwitchStmt : public Statement {
132 public:
133 SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &statements );
134 SwitchStmt( const SwitchStmt &other );
135 virtual ~SwitchStmt();
136
137 Expression *get_condition() { return condition; }
138 void set_condition( Expression *newValue ) { condition = newValue; }
139
140 std::list<Statement *> & get_statements() { return statements; }
141
142 virtual void accept( Visitor &v ) { v.visit( this ); }
143 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
144
145 virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); }
146 virtual void print( std::ostream &os, int indent = 0 ) const;
147 private:
148 Expression * condition;
149 std::list<Statement *> statements;
150};
151
152class CaseStmt : public Statement {
153 public:
154 CaseStmt( std::list<Label> labels, Expression *conditions, std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
155 CaseStmt( const CaseStmt &other );
156 virtual ~CaseStmt();
157
158 static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(), std::list<Statement *> stmts = std::list<Statement *>() );
159
160 bool isDefault() const { return _isDefault; }
161 void set_default(bool b) { _isDefault = b; }
162
163 Expression * &get_condition() { return condition; }
164 void set_condition( Expression *newValue ) { condition = newValue; }
165
166 std::list<Statement *> &get_statements() { return stmts; }
167 void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; }
168
169 virtual void accept( Visitor &v ) { v.visit( this ); }
170 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
171
172 virtual CaseStmt *clone() const { return new CaseStmt( *this ); }
173 virtual void print( std::ostream &os, int indent = 0 ) const;
174 private:
175 Expression * condition;
176 std::list<Statement *> stmts;
177 bool _isDefault;
178};
179
180class WhileStmt : public Statement {
181 public:
182 WhileStmt( std::list<Label> labels, Expression *condition,
183 Statement *body, bool isDoWhile = false );
184 WhileStmt( const WhileStmt &other );
185 virtual ~WhileStmt();
186
187 Expression *get_condition() { return condition; }
188 void set_condition( Expression *newValue ) { condition = newValue; }
189 Statement *get_body() { return body; }
190 void set_body( Statement *newValue ) { body = newValue; }
191 bool get_isDoWhile() { return isDoWhile; }
192 void set_isDoWhile( bool newValue ) { isDoWhile = newValue; }
193
194 virtual WhileStmt *clone() const { return new WhileStmt( *this ); }
195 virtual void accept( Visitor &v ) { v.visit( this ); }
196 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
197 virtual void print( std::ostream &os, int indent = 0 ) const;
198 private:
199 Expression *condition;
200 Statement *body;
201 bool isDoWhile;
202};
203
204class ForStmt : public Statement {
205 public:
206 ForStmt( std::list<Label> labels, std::list<Statement *> initialization,
207 Expression *condition = 0, Expression *increment = 0, Statement *body = 0 );
208 ForStmt( const ForStmt &other );
209 virtual ~ForStmt();
210
211 std::list<Statement *> &get_initialization() { return initialization; }
212 void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; }
213 Expression *get_condition() { return condition; }
214 void set_condition( Expression *newValue ) { condition = newValue; }
215 Expression *get_increment() { return increment; }
216 void set_increment( Expression *newValue ) { increment = newValue; }
217 Statement *get_body() { return body; }
218 void set_body( Statement *newValue ) { body = newValue; }
219
220 virtual ForStmt *clone() const { return new ForStmt( *this ); }
221 virtual void accept( Visitor &v ) { v.visit( this ); }
222 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
223 virtual void print( std::ostream &os, int indent = 0 ) const;
224 private:
225 std::list<Statement *> initialization;
226 Expression *condition;
227 Expression *increment;
228 Statement *body;
229};
230
231class BranchStmt : public Statement {
232 public:
233 enum Type { Goto = 0, Break, Continue };
234
235 BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError);
236 BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError);
237
238 Label get_originalTarget() { return originalTarget; }
239 Label get_target() { return target; }
240 void set_target( Label newValue ) { target = newValue; }
241
242 Expression *get_computedTarget() { return computedTarget; }
243 void set_target( Expression * newValue ) { computedTarget = newValue; }
244
245 Type get_type() { return type; }
246 const char *get_typename() { return brType[ type ]; }
247
248 virtual BranchStmt *clone() const { return new BranchStmt( *this ); }
249 virtual void accept( Visitor &v ) { v.visit( this ); }
250 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
251 virtual void print( std::ostream &os, int indent = 0 ) const;
252 private:
253 static const char *brType[];
254 Label originalTarget; // can give better error messages if we remember the label name that the user entered
255 Label target;
256 Expression *computedTarget;
257 Type type;
258};
259
260class ReturnStmt : public Statement {
261 public:
262 ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
263 ReturnStmt( const ReturnStmt &other );
264 virtual ~ReturnStmt();
265
266 Expression *get_expr() { return expr; }
267 void set_expr( Expression *newValue ) { expr = newValue; }
268
269 virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); }
270 virtual void accept( Visitor &v ) { v.visit( this ); }
271 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
272 virtual void print( std::ostream &os, int indent = 0 ) const;
273 private:
274 Expression *expr;
275 bool isThrow;
276};
277
278
279class NullStmt : public CompoundStmt {
280 public:
281 NullStmt();
282 NullStmt( std::list<Label> labels );
283
284 virtual NullStmt *clone() const { return new NullStmt( *this ); }
285 virtual void accept( Visitor &v ) { v.visit( this ); }
286 virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
287 virtual void print( std::ostream &os, int indent = 0 ) const;
288
289 private:
290};
291
292class TryStmt : public Statement {
293 public:
294 TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
295 TryStmt( const TryStmt &other );
296 virtual ~TryStmt();
297
298 CompoundStmt *get_block() const { return block; }
299 void set_block( CompoundStmt *newValue ) { block = newValue; }
300 std::list<Statement *>& get_catchers() { return handlers; }
301
302 FinallyStmt *get_finally() const { return finallyBlock; }
303 void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; }
304
305 virtual TryStmt *clone() const { return new TryStmt( *this ); }
306 virtual void accept( Visitor &v ) { v.visit( this ); }
307 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
308 virtual void print( std::ostream &os, int indent = 0 ) const;
309
310 private:
311 CompoundStmt *block;
312 std::list<Statement *> handlers;
313 FinallyStmt *finallyBlock;
314};
315
316class CatchStmt : public Statement {
317 public:
318 CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool catchAny = false );
319 CatchStmt( const CatchStmt &other );
320 virtual ~CatchStmt();
321
322 Declaration *get_decl() { return decl; }
323 void set_decl( Declaration *newValue ) { decl = newValue; }
324
325 Statement *get_body() { return body; }
326 void set_body( Statement *newValue ) { body = newValue; }
327
328 virtual CatchStmt *clone() const { return new CatchStmt( *this ); }
329 virtual void accept( Visitor &v ) { v.visit( this ); }
330 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
331 virtual void print( std::ostream &os, int indent = 0 ) const;
332
333 private:
334 Declaration *decl;
335 Statement *body;
336 bool catchRest;
337};
338
339class FinallyStmt : public Statement {
340 public:
341 FinallyStmt( std::list<Label> labels, CompoundStmt *block );
342 FinallyStmt( const FinallyStmt &other );
343 virtual ~FinallyStmt();
344
345 CompoundStmt *get_block() const { return block; }
346 void set_block( CompoundStmt *newValue ) { block = newValue; }
347
348 virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); }
349 virtual void accept( Visitor &v ) { v.visit( this ); }
350 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
351 virtual void print( std::ostream &os, int indent = 0 ) const;
352 private:
353 CompoundStmt *block;
354};
355
356
357// represents a declaration that occurs as part of a compound statement
358class DeclStmt : public Statement {
359 public:
360 DeclStmt( std::list<Label> labels, Declaration *decl );
361 DeclStmt( const DeclStmt &other );
362 virtual ~DeclStmt();
363
364 Declaration *get_decl() const { return decl; }
365 void set_decl( Declaration *newValue ) { decl = newValue; }
366
367 virtual DeclStmt *clone() const { return new DeclStmt( *this ); }
368 virtual void accept( Visitor &v ) { v.visit( this ); }
369 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
370 virtual void print( std::ostream &os, int indent = 0 ) const;
371 private:
372 Declaration *decl;
373};
374
375
376/// represents an implicit application of a constructor or destructor. Qualifiers are replaced
377/// immediately before and after the call so that qualified objects can be constructed
378/// with the same functions as unqualified objects.
379class ImplicitCtorDtorStmt : public Statement {
380 public:
381 ImplicitCtorDtorStmt( Statement * callStmt );
382 ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other );
383 virtual ~ImplicitCtorDtorStmt();
384
385 Statement *get_callStmt() const { return callStmt; }
386 void set_callStmt( Statement * newValue ) { callStmt = newValue; }
387
388 virtual ImplicitCtorDtorStmt *clone() const { return new ImplicitCtorDtorStmt( *this ); }
389 virtual void accept( Visitor &v ) { v.visit( this ); }
390 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
391 virtual void print( std::ostream &os, int indent = 0 ) const;
392
393 private:
394 // Non-owned pointer to the constructor/destructor statement
395 Statement * callStmt;
396};
397
398
399std::ostream & operator<<( std::ostream & out, const Statement * statement );
400
401#endif // STATEMENT_H
402
403// Local Variables: //
404// tab-width: 4 //
405// mode: c++ //
406// compile-command: "make install" //
407// End: //
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