source: src/SynTree/Statement.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 1d4580a, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

more refactoring of parser code
  • Property mode set to 100644
File size: 14.2 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// 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
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 *> &statements );
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_statements() { return statements; }
139
140 virtual void accept( Visitor &v ) { v.visit( this ); }
141 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
142
143 virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); }
144 virtual void print( std::ostream &os, int indent = 0 ) const;
145 private:
146 Expression * condition;
147 std::list<Statement *> statements;
148};
149
150class CaseStmt : public Statement {
151 public:
152 CaseStmt( std::list<Label> labels, Expression *conditions, std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
153 CaseStmt( const CaseStmt &other );
154 virtual ~CaseStmt();
155
156 static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(), std::list<Statement *> stmts = std::list<Statement *>() );
157
158 bool isDefault() const { return _isDefault; }
159 void set_default(bool b) { _isDefault = b; }
160
161 Expression * &get_condition() { return condition; }
162 void set_condition( Expression *newValue ) { condition = newValue; }
163
164 std::list<Statement *> &get_statements() { return stmts; }
165 void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; }
166
167 virtual void accept( Visitor &v ) { v.visit( this ); }
168 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
169
170 virtual CaseStmt *clone() const { return new CaseStmt( *this ); }
171 virtual void print( std::ostream &os, int indent = 0 ) const;
172 private:
173 Expression * condition;
174 std::list<Statement *> stmts;
175 bool _isDefault;
176};
177
178class WhileStmt : public Statement {
179 public:
180 WhileStmt( std::list<Label> labels, Expression *condition,
181 Statement *body, bool isDoWhile = false );
182 WhileStmt( const WhileStmt &other );
183 virtual ~WhileStmt();
184
185 Expression *get_condition() { return condition; }
186 void set_condition( Expression *newValue ) { condition = newValue; }
187 Statement *get_body() { return body; }
188 void set_body( Statement *newValue ) { body = newValue; }
189 bool get_isDoWhile() { return isDoWhile; }
190 void set_isDoWhile( bool newValue ) { isDoWhile = newValue; }
191
192 virtual WhileStmt *clone() const { return new WhileStmt( *this ); }
193 virtual void accept( Visitor &v ) { v.visit( this ); }
194 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
195 virtual void print( std::ostream &os, int indent = 0 ) const;
196 private:
197 Expression *condition;
198 Statement *body;
199 bool isDoWhile;
200};
201
202class ForStmt : public Statement {
203 public:
204 ForStmt( std::list<Label> labels, std::list<Statement *> initialization,
205 Expression *condition = 0, Expression *increment = 0, Statement *body = 0 );
206 ForStmt( const ForStmt &other );
207 virtual ~ForStmt();
208
209 std::list<Statement *> &get_initialization() { return initialization; }
210 void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; }
211 Expression *get_condition() { return condition; }
212 void set_condition( Expression *newValue ) { condition = newValue; }
213 Expression *get_increment() { return increment; }
214 void set_increment( Expression *newValue ) { increment = newValue; }
215 Statement *get_body() { return body; }
216 void set_body( Statement *newValue ) { body = newValue; }
217
218 virtual ForStmt *clone() const { return new ForStmt( *this ); }
219 virtual void accept( Visitor &v ) { v.visit( this ); }
220 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
221 virtual void print( std::ostream &os, int indent = 0 ) const;
222 private:
223 std::list<Statement *> initialization;
224 Expression *condition;
225 Expression *increment;
226 Statement *body;
227};
228
229class BranchStmt : public Statement {
230 public:
231 enum Type { Goto = 0, Break, Continue };
232
233 BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError);
234 BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError);
235
236 Label get_originalTarget() { return originalTarget; }
237 Label get_target() { return target; }
238 void set_target( Label newValue ) { target = newValue; }
239
240 Expression *get_computedTarget() { return computedTarget; }
241 void set_target( Expression * newValue ) { computedTarget = newValue; }
242
243 Type get_type() { return type; }
244 const char *get_typename() { return brType[ type ]; }
245
246 virtual BranchStmt *clone() const { return new BranchStmt( *this ); }
247 virtual void accept( Visitor &v ) { v.visit( this ); }
248 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
249 virtual void print( std::ostream &os, int indent = 0 ) const;
250 private:
251 static const char *brType[];
252 Label originalTarget; // can give better error messages if we remember the label name that the user entered
253 Label target;
254 Expression *computedTarget;
255 Type type;
256};
257
258class ReturnStmt : public Statement {
259 public:
260 ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
261 ReturnStmt( const ReturnStmt &other );
262 virtual ~ReturnStmt();
263
264 Expression *get_expr() { return expr; }
265 void set_expr( Expression *newValue ) { expr = newValue; }
266
267 virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); }
268 virtual void accept( Visitor &v ) { v.visit( this ); }
269 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
270 virtual void print( std::ostream &os, int indent = 0 ) const;
271 private:
272 Expression *expr;
273 bool isThrow;
274};
275
276
277class NullStmt : public CompoundStmt {
278 public:
279 NullStmt();
280 NullStmt( std::list<Label> labels );
281
282 virtual NullStmt *clone() const { return new NullStmt( *this ); }
283 virtual void accept( Visitor &v ) { v.visit( this ); }
284 virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
285 virtual void print( std::ostream &os, int indent = 0 ) const;
286
287 private:
288};
289
290class TryStmt : public Statement {
291 public:
292 TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
293 TryStmt( const TryStmt &other );
294 virtual ~TryStmt();
295
296 CompoundStmt *get_block() const { return block; }
297 void set_block( CompoundStmt *newValue ) { block = newValue; }
298 std::list<Statement *>& get_catchers() { return handlers; }
299
300 FinallyStmt *get_finally() const { return finallyBlock; }
301 void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; }
302
303 virtual TryStmt *clone() const { return new TryStmt( *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
308 private:
309 CompoundStmt *block;
310 std::list<Statement *> handlers;
311 FinallyStmt *finallyBlock;
312};
313
314class CatchStmt : public Statement {
315 public:
316 CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool catchAny = false );
317 CatchStmt( const CatchStmt &other );
318 virtual ~CatchStmt();
319
320 Declaration *get_decl() { return decl; }
321 void set_decl( Declaration *newValue ) { decl = newValue; }
322
323 Statement *get_body() { return body; }
324 void set_body( Statement *newValue ) { body = newValue; }
325
326 virtual CatchStmt *clone() const { return new CatchStmt( *this ); }
327 virtual void accept( Visitor &v ) { v.visit( this ); }
328 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
329 virtual void print( std::ostream &os, int indent = 0 ) const;
330
331 private:
332 Declaration *decl;
333 Statement *body;
334 bool catchRest;
335};
336
337class FinallyStmt : public Statement {
338 public:
339 FinallyStmt( std::list<Label> labels, CompoundStmt *block );
340 FinallyStmt( const FinallyStmt &other );
341 virtual ~FinallyStmt();
342
343 CompoundStmt *get_block() const { return block; }
344 void set_block( CompoundStmt *newValue ) { block = newValue; }
345
346 virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); }
347 virtual void accept( Visitor &v ) { v.visit( this ); }
348 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
349 virtual void print( std::ostream &os, int indent = 0 ) const;
350 private:
351 CompoundStmt *block;
352};
353
354
355// represents a declaration that occurs as part of a compound statement
356class DeclStmt : public Statement {
357 public:
358 DeclStmt( std::list<Label> labels, Declaration *decl );
359 DeclStmt( const DeclStmt &other );
360 virtual ~DeclStmt();
361
362 Declaration *get_decl() const { return decl; }
363 void set_decl( Declaration *newValue ) { decl = newValue; }
364
365 virtual DeclStmt *clone() const { return new DeclStmt( *this ); }
366 virtual void accept( Visitor &v ) { v.visit( this ); }
367 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
368 virtual void print( std::ostream &os, int indent = 0 ) const;
369 private:
370 Declaration *decl;
371};
372
373
374/// represents an implicit application of a constructor or destructor. Qualifiers are replaced
375/// immediately before and after the call so that qualified objects can be constructed
376/// with the same functions as unqualified objects.
377class ImplicitCtorDtorStmt : public Statement {
378 public:
379 ImplicitCtorDtorStmt( Statement * callStmt );
380 ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other );
381 virtual ~ImplicitCtorDtorStmt();
382
383 Statement *get_callStmt() const { return callStmt; }
384 void set_callStmt( Statement * newValue ) { callStmt = newValue; }
385
386 virtual ImplicitCtorDtorStmt *clone() const { return new ImplicitCtorDtorStmt( *this ); }
387 virtual void accept( Visitor &v ) { v.visit( this ); }
388 virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
389 virtual void print( std::ostream &os, int indent = 0 ) const;
390
391 private:
392 // Non-owned pointer to the constructor/destructor statement
393 Statement * callStmt;
394};
395
396
397std::ostream & operator<<( std::ostream & out, Statement * statement );
398
399#endif // STATEMENT_H
400
401// Local Variables: //
402// tab-width: 4 //
403// mode: c++ //
404// compile-command: "make install" //
405// End: //
Note: See TracBrowser for help on using the repository browser.