source: src/SynTree/Statement.h@ 0b2961f

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 string with_gc
Last change on this file since 0b2961f was 9a8930f, checked in by Peter A. Buhr <pabuhr@…>, 10 years ago

enable AM_MAINTAINER_MODE, add operator ?{}, formatting
  • Property mode set to 100644
File size: 12.4 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 : Thu Jun 4 14:03:31 2015
13// Update Count : 14
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
31 virtual Statement *clone() const = 0;
32 virtual void accept( Visitor &v ) = 0;
33 virtual Statement *acceptMutator( Mutator &m ) = 0;
34 virtual void print( std::ostream &os, int indent = 0 );
35 protected:
36 std::list<Label> labels;
37};
38
39class CompoundStmt : public Statement {
40 public:
41 CompoundStmt( std::list<Label> labels );
42 CompoundStmt( const CompoundStmt &other );
43 virtual ~CompoundStmt();
44
45 std::list<Statement*>& get_kids() { return kids; }
46
47 virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); }
48 virtual void accept( Visitor &v ) { v.visit( this ); }
49 virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
50 virtual void print( std::ostream &os, int indent = 0 );
51 private:
52 std::list<Statement*> kids;
53};
54
55class ExprStmt : public Statement {
56 public:
57 ExprStmt( std::list<Label> labels, Expression *expr );
58 virtual ~ExprStmt();
59
60 Expression *get_expr() { return expr; }
61 void set_expr( Expression *newValue ) { expr = newValue; }
62
63 virtual ExprStmt *clone() const { return new ExprStmt( *this ); }
64 virtual void accept( Visitor &v ) { v.visit( this ); }
65 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
66 virtual void print( std::ostream &os, int indent = 0 );
67 private:
68 Expression *expr;
69};
70
71class IfStmt : public Statement {
72 public:
73 IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart );
74 virtual ~IfStmt();
75
76 Expression *get_condition() { return condition; }
77 void set_condition( Expression *newValue ) { condition = newValue; }
78 Statement *get_thenPart() { return thenPart; }
79 void set_thenPart( Statement *newValue ) { thenPart = newValue; }
80 Statement *get_elsePart() { return elsePart; }
81 void set_elsePart( Statement *newValue ) { elsePart = newValue; }
82
83 virtual IfStmt *clone() const { return new IfStmt( *this ); }
84 virtual void accept( Visitor &v ) { v.visit( this ); }
85 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
86 virtual void print( std::ostream &os, int indent = 0 );
87 private:
88 Expression *condition;
89 Statement *thenPart;
90 Statement *elsePart;
91};
92
93class SwitchStmt : public Statement {
94 public:
95 SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
96 virtual ~SwitchStmt();
97
98 Expression *get_condition() { return condition; }
99 void set_condition( Expression *newValue ) { condition = newValue; }
100
101 std::list<Statement *>& get_branches() { return branches; }
102 void add_case( CaseStmt * );
103
104 virtual void accept( Visitor &v ) { v.visit( this ); }
105 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
106
107 virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); }
108 virtual void print( std::ostream &os, int indent = 0 );
109 private:
110 Expression * condition;
111 std::list<Statement *> branches; // should be list of CaseStmt
112};
113
114class ChooseStmt : public Statement {
115 public:
116 ChooseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches );
117 virtual ~ChooseStmt();
118
119 Expression *get_condition() { return condition; }
120 void set_condition( Expression *newValue ) { condition = newValue; }
121
122 std::list<Statement *>& get_branches() { return branches; }
123 void add_case( CaseStmt * );
124
125 virtual void accept( Visitor &v ) { v.visit( this ); }
126 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
127
128 virtual ChooseStmt *clone() const { return new ChooseStmt( *this ); }
129 virtual void print( std::ostream &os, int indent = 0 );
130 private:
131 Expression *condition;
132 std::list<Statement *> branches; // should be list of CaseStmt
133};
134
135class FallthruStmt : public Statement {
136 public:
137 FallthruStmt( std::list<Label> labels ) : Statement( labels ) { }
138
139 virtual void accept( Visitor &v ) { v.visit( this ); }
140 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
141
142 virtual FallthruStmt *clone() const { return new FallthruStmt( *this ); }
143 virtual void print( std::ostream &os, int indent = 0 );
144};
145
146class CaseStmt : public Statement {
147 public:
148 CaseStmt( std::list<Label> labels, Expression *conditions,
149 std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
150 virtual ~CaseStmt();
151
152 static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(),
153 std::list<Statement *> stmts = std::list<Statement *>() );
154
155 bool isDefault() { return _isDefault; }
156 void set_default(bool b) { _isDefault = b; }
157
158 Expression * &get_condition() { return condition; }
159 void set_condition( Expression *newValue ) { condition = newValue; }
160
161 std::list<Statement *> &get_statements() { return stmts; }
162 void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; }
163
164 virtual void accept( Visitor &v ) { v.visit( this ); }
165 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
166
167 virtual CaseStmt *clone() const { return new CaseStmt( *this ); }
168 virtual void print( std::ostream &os, int indent = 0 );
169 private:
170 Expression * condition;
171 std::list<Statement *> stmts;
172 bool _isDefault;
173};
174
175class WhileStmt : public Statement {
176 public:
177 WhileStmt( std::list<Label> labels, Expression *condition,
178 Statement *body, bool isDoWhile = false );
179 virtual ~WhileStmt();
180
181 Expression *get_condition() { return condition; }
182 void set_condition( Expression *newValue ) { condition = newValue; }
183 Statement *get_body() { return body; }
184 void set_body( Statement *newValue ) { body = newValue; }
185 bool get_isDoWhile() { return isDoWhile; }
186 void set_isDoWhile( bool newValue ) { isDoWhile = newValue; }
187
188 virtual WhileStmt *clone() const { return new WhileStmt( *this ); }
189 virtual void accept( Visitor &v ) { v.visit( this ); }
190 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
191 virtual void print( std::ostream &os, int indent = 0 );
192 private:
193 Expression *condition;
194 Statement *body;
195 bool isDoWhile;
196};
197
198class ForStmt : public Statement {
199 public:
200 ForStmt( std::list<Label> labels, Statement *initialization = 0,
201 Expression *condition = 0, Expression *increment = 0, Statement *body = 0 );
202 virtual ~ForStmt();
203
204 Statement *get_initialization() { return initialization; }
205 void set_initialization( Statement *newValue ) { initialization = newValue; }
206 Expression *get_condition() { return condition; }
207 void set_condition( Expression *newValue ) { condition = newValue; }
208 Expression *get_increment() { return increment; }
209 void set_increment( Expression *newValue ) { increment = newValue; }
210 Statement *get_body() { return body; }
211 void set_body( Statement *newValue ) { body = newValue; }
212
213 virtual ForStmt *clone() const { return new ForStmt( *this ); }
214 virtual void accept( Visitor &v ) { v.visit( this ); }
215 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
216 virtual void print( std::ostream &os, int indent = 0 );
217 private:
218 Statement *initialization;
219 Expression *condition;
220 Expression *increment;
221 Statement *body;
222};
223
224class BranchStmt : public Statement {
225 public:
226 enum Type { Goto = 0 , Break, Continue };
227
228 BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError);
229 BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError);
230 virtual ~BranchStmt() {}
231
232 Label get_originalTarget() { return originalTarget; }
233 Label get_target() { return target; }
234 void set_target( Label newValue ) { target = newValue; }
235
236 Expression *get_computedTarget() { return computedTarget; }
237 void set_target( Expression * newValue ) { computedTarget = newValue; }
238
239 Type get_type() { return type; }
240 const char *get_typename() { return brType[ type ]; }
241
242 virtual BranchStmt *clone() const { return new BranchStmt( *this ); }
243 virtual void accept( Visitor &v ) { v.visit( this ); }
244 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
245 virtual void print( std::ostream &os, int indent = 0 );
246 private:
247 static const char *brType[];
248 Label originalTarget; // can give better error messages if we remember the label name that the user entered
249 Label target;
250 Expression *computedTarget;
251 Type type;
252};
253
254class ReturnStmt : public Statement {
255 public:
256 ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
257 virtual ~ReturnStmt();
258
259 Expression *get_expr() { return expr; }
260 void set_expr( Expression *newValue ) { expr = newValue; }
261
262 virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); }
263 virtual void accept( Visitor &v ) { v.visit( this ); }
264 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
265 virtual void print( std::ostream &os, int indent = 0 );
266 private:
267 Expression *expr;
268 bool isThrow;
269};
270
271
272class NullStmt : public CompoundStmt {
273 public:
274 NullStmt();
275 NullStmt( std::list<Label> labels );
276 virtual ~NullStmt();
277
278 virtual NullStmt *clone() const { return new NullStmt( *this ); }
279 virtual void accept( Visitor &v ) { v.visit( this ); }
280 virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
281 virtual void print( std::ostream &os, int indent = 0 );
282
283 private:
284};
285
286class TryStmt : public Statement {
287 public:
288 TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
289 TryStmt( const TryStmt &other );
290 virtual ~TryStmt();
291
292 CompoundStmt *get_block() const { return block; }
293 void set_block( CompoundStmt *newValue ) { block = newValue; }
294 std::list<Statement *>& get_catchers() { return handlers; }
295
296 FinallyStmt *get_finally() const { return finallyBlock; }
297 void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; }
298
299 virtual TryStmt *clone() const { return new TryStmt( *this ); }
300 virtual void accept( Visitor &v ) { v.visit( this ); }
301 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
302 virtual void print( std::ostream &os, int indent = 0 );
303
304 private:
305 CompoundStmt *block;
306 std::list<Statement *> handlers;
307 FinallyStmt *finallyBlock;
308};
309
310class CatchStmt : public Statement {
311 public:
312 CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool isCatchRest = false );
313 virtual ~CatchStmt();
314
315 Declaration *get_decl() { return decl; }
316 void set_decl( Declaration *newValue ) { decl = newValue; }
317
318 Statement *get_body() { return body; }
319 void set_body( Statement *newValue ) { body = newValue; }
320
321 virtual CatchStmt *clone() const { return new CatchStmt( *this ); }
322 virtual void accept( Visitor &v ) { v.visit( this ); }
323 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
324 virtual void print( std::ostream &os, int indent = 0 );
325
326 private:
327 Declaration *decl;
328 Statement *body;
329 bool catchRest;
330};
331
332class FinallyStmt : public Statement {
333 public:
334 FinallyStmt( std::list<Label> labels, CompoundStmt *block );
335 virtual ~FinallyStmt();
336
337 CompoundStmt *get_block() const { return block; }
338 void set_block( CompoundStmt *newValue ) { block = newValue; }
339
340 virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); }
341 virtual void accept( Visitor &v ) { v.visit( this ); }
342 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
343 virtual void print( std::ostream &os, int indent = 0 );
344 private:
345 CompoundStmt *block;
346};
347
348
349// represents a declaration that occurs as part of a compound statement
350class DeclStmt : public Statement {
351 public:
352 DeclStmt( std::list<Label> labels, Declaration *decl );
353 DeclStmt( const DeclStmt &other );
354 virtual ~DeclStmt();
355
356 Declaration *get_decl() { return decl; }
357 void set_decl( Declaration *newValue ) { decl = newValue; }
358
359 virtual DeclStmt *clone() const { return new DeclStmt( *this ); }
360 virtual void accept( Visitor &v ) { v.visit( this ); }
361 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
362 virtual void print( std::ostream &os, int indent = 0 );
363 private:
364 Declaration *decl;
365};
366
367#endif // STATEMENT_H
368
369// Local Variables: //
370// tab-width: 4 //
371// mode: c++ //
372// compile-command: "make install" //
373// End: //
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