source: src/SynTree/Statement.h@ 4b0f997

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 4b0f997 was 294647b, checked in by Thierry Delisle <tdelisle@…>, 9 years ago

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