source: src/SynTree/Statement.cc @ 0608e007

arm-ehjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since 0608e007 was 0608e007, checked in by Peter A. Buhr <pabuhr@…>, 22 months ago

formatting, change 0 to nullptr

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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.cc --
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 Jan 10 14:20:47 2020
13// Update Count     : 70
14//
15
16#include "SynTree/Statement.h"
17
18#include <stddef.h>                // for NULL
19#include <cassert>                 // for assert, assertf
20#include <iostream>                // for operator<<, basic_ostream, endl
21#include <list>                    // for list, list<>::const_iterator, _Lis...
22#include <string>                  // for operator<<, string, char_traits
23
24#include "Common/SemanticError.h"  // for SemanticError
25#include "Common/utility.h"        // for maybeClone, cloneAll, deleteAll
26#include "Declaration.h"           // for Declaration
27#include "Expression.h"            // for Expression, ConstantExpr
28#include "Statement.h"             // for Statement, ForStmt, AsmStmt, Catch...
29#include "SynTree/Label.h"         // for Label, operator<<
30
31using std::string;
32using std::endl;
33
34Statement::Statement( const std::list<Label> & labels ) : labels( labels ) {}
35
36void Statement::print( std::ostream & os, Indenter indent ) const {
37        if ( ! labels.empty() ) {
38                os << indent << "... Labels: {";
39                for ( const Label & l : labels ) {
40                        os << l << ",";
41                }
42                os << "}" << endl;
43        }
44}
45
46Statement::~Statement() {}
47
48ExprStmt::ExprStmt( Expression * expr ) : Statement(), expr( expr ) {}
49
50ExprStmt::ExprStmt( const ExprStmt & other ) : Statement( other ), expr( maybeClone( other.expr ) ) {}
51
52ExprStmt::~ExprStmt() {
53        delete expr;
54}
55
56void ExprStmt::print( std::ostream & os, Indenter indent ) const {
57        os << "Expression Statement:" << endl << indent+1;
58        expr->print( os, indent+1 );
59}
60
61
62AsmStmt::AsmStmt( bool voltile, Expression * instruction, std::list<Expression *> output, std::list<Expression *> input, std::list<ConstantExpr *> clobber, std::list<Label> gotolabels ) : Statement(), voltile( voltile ), instruction( instruction ), output( output ), input( input ), clobber( clobber ), gotolabels( gotolabels ) {}
63
64AsmStmt::AsmStmt( const AsmStmt & other ) : Statement( other ), voltile( other.voltile ), instruction( maybeClone( other.instruction ) ), gotolabels( other.gotolabels ) {
65  cloneAll( other.output, output );
66  cloneAll( other.input, input );
67  cloneAll( other.clobber, clobber );
68}
69
70AsmStmt::~AsmStmt() {
71        delete instruction;
72        deleteAll( output );
73        deleteAll( input );
74        deleteAll( clobber );
75}
76
77void AsmStmt::print( std::ostream & os, Indenter indent ) const {
78        os << "Assembler Statement:" << endl;
79        os << indent+1 << "instruction: " << endl << indent;
80        instruction->print( os, indent+1 );
81        if ( ! output.empty() ) {
82                os << endl << indent+1 << "output: " << endl;
83                printAll( output, os, indent+1 );
84        } // if
85        if ( ! input.empty() ) {
86                os << indent+1 << "input: " << endl;
87                printAll( input, os, indent+1 );
88        } // if
89        if ( ! clobber.empty() ) {
90                os << indent+1 << "clobber: " << endl;
91                printAll( clobber, os, indent+1 );
92        } // if
93}
94
95
96DirectiveStmt::DirectiveStmt( const std::string & directive ) : Statement(), directive( directive ) {}
97
98void DirectiveStmt::print( std::ostream & os, Indenter ) const {
99        os << "GCC Directive:" << directive << endl;
100}
101
102
103const char * BranchStmt::brType[] = { "Goto", "Break", "Continue" };
104
105BranchStmt::BranchStmt( Label target, Type type ) throw ( SemanticErrorException ) :
106        Statement(), originalTarget( target ), target( target ), computedTarget( nullptr ), type( type ) {
107        //actually this is a syntactic error signaled by the parser
108        if ( type == BranchStmt::Goto && target.empty() ) {
109                SemanticError( target.get_statement()->location, "goto without target");
110        }
111}
112
113BranchStmt::BranchStmt( Expression * computedTarget, Type type ) throw ( SemanticErrorException ) :
114        Statement(), computedTarget( computedTarget ), type( type ) {
115        if ( type != BranchStmt::Goto || computedTarget == nullptr ) {
116                SemanticError( computedTarget->location, "Computed target not valid in branch statement");
117        }
118}
119
120void BranchStmt::print( std::ostream & os, Indenter indent ) const {
121        os << "Branch (" << brType[type] << ")" << endl ;
122        if ( target != "" ) os << indent+1 << "with target: " << target << endl;
123        if ( originalTarget != "" ) os << indent+1 << "with original target: " << originalTarget << endl;
124        if ( computedTarget != nullptr ) os << indent+1 << "with computed target: " << computedTarget << endl;
125}
126
127ReturnStmt::ReturnStmt( Expression * expr ) : Statement(), expr( expr ) {}
128
129ReturnStmt::ReturnStmt( const ReturnStmt & other ) : Statement( other ), expr( maybeClone( other.expr ) ) {}
130
131ReturnStmt::~ReturnStmt() {
132        delete expr;
133}
134
135void ReturnStmt::print( std::ostream & os, Indenter indent ) const {
136        os << "Return Statement, returning: ";
137        if ( expr != nullptr ) {
138                os << endl << indent+1;
139                expr->print( os, indent+1 );
140        }
141        os << endl;
142}
143
144IfStmt::IfStmt( Expression * condition, Statement * thenPart, Statement * elsePart, std::list<Statement *> initialization ):
145        Statement(), condition( condition ), thenPart( thenPart ), elsePart( elsePart ), initialization( initialization ) {}
146
147IfStmt::IfStmt( const IfStmt & other ) :
148        Statement( other ), condition( maybeClone( other.condition ) ), thenPart( maybeClone( other.thenPart ) ), elsePart( maybeClone( other.elsePart ) ) {
149        cloneAll( other.initialization, initialization );
150}
151
152IfStmt::~IfStmt() {
153        deleteAll( initialization );
154        delete condition;
155        delete thenPart;
156        delete elsePart;
157}
158
159void IfStmt::print( std::ostream & os, Indenter indent ) const {
160        os << "If on condition: " << endl;
161        os << indent+1;
162        condition->print( os, indent+1 );
163
164        if ( !initialization.empty() ) {
165                os << indent << "... with initialization: \n";
166                for ( const Statement * stmt : initialization ) {
167                        os << indent+1;
168                        stmt->print( os, indent+1 );
169                }
170                os << endl;
171        }
172
173        os << indent << "... then: " << endl;
174
175        os << indent+1;
176        thenPart->print( os, indent+1 );
177
178        if ( elsePart != nullptr ) {
179                os << indent << "... else: " << endl;
180                os << indent+1;
181                elsePart->print( os, indent+1 );
182        } // if
183}
184
185SwitchStmt::SwitchStmt( Expression * condition, const std::list<Statement *> & statements ):
186        Statement(), condition( condition ), statements( statements ) {
187}
188
189SwitchStmt::SwitchStmt( const SwitchStmt & other ):
190        Statement( other ), condition( maybeClone( other.condition ) ) {
191        cloneAll( other.statements, statements );
192}
193
194SwitchStmt::~SwitchStmt() {
195        delete condition;
196        // destroy statements
197        deleteAll( statements );
198}
199
200void SwitchStmt::print( std::ostream & os, Indenter indent ) const {
201        os << "Switch on condition: ";
202        condition->print( os );
203        os << endl;
204
205        for ( const Statement * stmt : statements ) {
206                stmt->print( os, indent+1 );
207        }
208}
209
210CaseStmt::CaseStmt( Expression * condition, const std::list<Statement *> & statements, bool deflt ) throw ( SemanticErrorException ) :
211        Statement(), condition( condition ), stmts( statements ), _isDefault( deflt ) {
212        if ( isDefault() && condition != nullptr ) SemanticError( condition, "default case with condition: " );
213}
214
215CaseStmt::CaseStmt( const CaseStmt & other ) :
216        Statement( other ), condition( maybeClone(other.condition ) ), _isDefault( other._isDefault ) {
217        cloneAll( other.stmts, stmts );
218}
219
220CaseStmt::~CaseStmt() {
221        delete condition;
222        deleteAll( stmts );
223}
224
225CaseStmt * CaseStmt::makeDefault( const std::list<Label> & labels, std::list<Statement *> stmts ) {
226        CaseStmt * stmt = new CaseStmt( nullptr, stmts, true );
227        stmt->labels = labels;
228        return stmt;
229}
230
231void CaseStmt::print( std::ostream & os, Indenter indent ) const {
232        if ( isDefault() ) os << indent << "Default ";
233        else {
234                os << indent << "Case ";
235                condition->print( os, indent );
236        } // if
237        os << endl;
238
239        for ( Statement * stmt : stmts ) {
240                os << indent+1;
241                stmt->print( os, indent+1 );
242        }
243}
244
245WhileStmt::WhileStmt( Expression * condition, Statement * body, std::list< Statement * > & initialization, bool isDoWhile ):
246        Statement(), condition( condition), body( body), initialization( initialization ), isDoWhile( isDoWhile) {
247}
248
249WhileStmt::WhileStmt( const WhileStmt & other ):
250        Statement( other ), condition( maybeClone( other.condition ) ), body( maybeClone( other.body ) ), isDoWhile( other.isDoWhile ) {
251}
252
253WhileStmt::~WhileStmt() {
254        delete body;
255        delete condition;
256}
257
258void WhileStmt::print( std::ostream & os, Indenter indent ) const {
259        os << "While on condition: " << endl ;
260        condition->print( os, indent+1 );
261
262        os << indent << "... with body: " << endl;
263
264        if ( body != nullptr ) body->print( os, indent+1 );
265}
266
267ForStmt::ForStmt( std::list<Statement *> initialization, Expression * condition, Expression * increment, Statement * body ):
268        Statement(), initialization( initialization ), condition( condition ), increment( increment ), body( body ) {
269}
270
271ForStmt::ForStmt( const ForStmt & other ):
272        Statement( other ), condition( maybeClone( other.condition ) ), increment( maybeClone( other.increment ) ), body( maybeClone( other.body ) ) {
273                cloneAll( other.initialization, initialization );
274
275}
276
277ForStmt::~ForStmt() {
278        deleteAll( initialization );
279        delete condition;
280        delete increment;
281        delete body;
282}
283
284void ForStmt::print( std::ostream & os, Indenter indent ) const {
285        Statement::print( os, indent ); // print labels
286
287        os << "For Statement" << endl;
288
289        if ( ! initialization.empty() ) {
290                os << indent << "... initialization: \n";
291                for ( Statement * stmt : initialization ) {
292                        os << indent+1;
293                        stmt->print( os, indent+1 );
294                }
295        }
296
297        if ( condition != nullptr ) {
298                os << indent << "... condition: \n" << indent+1;
299                condition->print( os, indent+1 );
300        }
301
302        if ( increment != nullptr ) {
303                os << "\n" << indent << "... increment: \n" << indent+1;
304                increment->print( os, indent+1 );
305        }
306
307        if ( body != nullptr ) {
308                os << "\n" << indent << "... with body: \n" << indent+1;
309                body->print( os, indent+1 );
310        }
311        os << endl;
312}
313
314ThrowStmt::ThrowStmt( Kind kind, Expression * expr, Expression * target ) :
315                Statement(), kind(kind), expr(expr), target(target)     {
316        assertf(Resume == kind || nullptr == target, "Non-local termination throw is not accepted." );
317}
318
319ThrowStmt::ThrowStmt( const ThrowStmt & other ) :
320        Statement ( other ), kind( other.kind ), expr( maybeClone( other.expr ) ), target( maybeClone( other.target ) ) {
321}
322
323ThrowStmt::~ThrowStmt() {
324        delete expr;
325        delete target;
326}
327
328void ThrowStmt::print( std::ostream & os, Indenter indent) const {
329        if ( target ) os << "Non-Local ";
330        os << "Throw Statement, raising: ";
331        expr->print(os, indent+1);
332        if ( target ) {
333                os << "... at: ";
334                target->print(os, indent+1);
335        }
336}
337
338TryStmt::TryStmt( CompoundStmt * tryBlock, std::list<CatchStmt *> & handlers, FinallyStmt * finallyBlock ) :
339        Statement(), block( tryBlock ),  handlers( handlers ), finallyBlock( finallyBlock ) {
340}
341
342TryStmt::TryStmt( const TryStmt & other ) : Statement( other ), block( maybeClone( other.block ) ), finallyBlock( maybeClone( other.finallyBlock ) ) {
343        cloneAll( other.handlers, handlers );
344}
345
346TryStmt::~TryStmt() {
347        delete block;
348        deleteAll( handlers );
349        delete finallyBlock;
350}
351
352void TryStmt::print( std::ostream & os, Indenter indent ) const {
353        os << "Try Statement" << endl;
354        os << indent << "... with block:" << endl << indent+1;
355        block->print( os, indent+1 );
356
357        // handlers
358        os << indent << "... and handlers:" << endl;
359        for ( const CatchStmt * stmt : handlers ) {
360                os << indent+1;
361                stmt->print( os, indent+1 );
362        }
363
364        // finally block
365        if ( finallyBlock != nullptr ) {
366                os << indent << "... and finally:" << endl << indent+1;
367                finallyBlock->print( os, indent+1 );
368        } // if
369}
370
371CatchStmt::CatchStmt( Kind kind, Declaration * decl, Expression * cond, Statement * body ) :
372        Statement(), kind ( kind ), decl ( decl ), cond ( cond ), body( body ) {
373                assertf( decl, "Catch clause must have a declaration." );
374}
375
376CatchStmt::CatchStmt( const CatchStmt & other ) :
377        Statement( other ), kind ( other.kind ), decl ( maybeClone( other.decl ) ), cond ( maybeClone( other.cond ) ), body( maybeClone( other.body ) ) {
378}
379
380CatchStmt::~CatchStmt() {
381        delete decl;
382        delete body;
383}
384
385void CatchStmt::print( std::ostream & os, Indenter indent ) const {
386        os << "Catch " << ((Terminate == kind) ? "Terminate" : "Resume") << " Statement" << endl;
387
388        os << indent << "... catching: ";
389        decl->printShort( os, indent+1 );
390        os << endl;
391
392        if ( cond ) {
393                os << indent << "... with conditional:" << endl << indent+1;
394                cond->print( os, indent+1 );
395        }
396
397        os << indent << "... with block:" << endl;
398        os << indent+1;
399        body->print( os, indent+1 );
400}
401
402
403FinallyStmt::FinallyStmt( CompoundStmt * block ) : Statement(), block( block ) {
404}
405
406FinallyStmt::FinallyStmt( const FinallyStmt & other ) : Statement( other ), block( maybeClone( other.block ) ) {
407}
408
409FinallyStmt::~FinallyStmt() {
410        delete block;
411}
412
413void FinallyStmt::print( std::ostream & os, Indenter indent ) const {
414        os << "Finally Statement" << endl;
415        os << indent << "... with block:" << endl << indent+1;
416        block->print( os, indent+1 );
417}
418
419WaitForStmt::WaitForStmt() : Statement() {
420        timeout.time      = nullptr;
421        timeout.statement = nullptr;
422        timeout.condition = nullptr;
423        orelse .statement = nullptr;
424        orelse .condition = nullptr;
425}
426
427WaitForStmt::WaitForStmt( const WaitForStmt & other ) : Statement( other ) {
428        clauses.reserve( other.clauses.size() );
429        for( auto & ocl : other.clauses ) {
430                clauses.emplace_back();
431                clauses.back().target.function = ocl.target.function->clone();
432                cloneAll( ocl.target.arguments, clauses.back().target.arguments );
433                clauses.back().statement = ocl.statement->clone();
434                clauses.back().condition = ocl.condition->clone();
435        }
436
437        timeout.time      = other.timeout.time     ->clone();
438        timeout.statement = other.timeout.statement->clone();
439        timeout.condition = other.timeout.condition->clone();
440        orelse .statement = other.orelse .statement->clone();
441        orelse .condition = other.orelse .condition->clone();
442}
443
444WaitForStmt::~WaitForStmt() {
445        for( auto & clause : clauses ) {
446                delete clause.target.function;
447                deleteAll( clause.target.arguments );
448                delete clause.statement;
449                delete clause.condition;
450        }
451
452        delete timeout.time;
453        delete timeout.statement;
454        delete timeout.condition;
455
456        delete orelse.statement;
457        delete orelse.condition;
458}
459
460void WaitForStmt::print( std::ostream & os, Indenter indent ) const {
461        os << "Waitfor Statement" << endl;
462        indent += 1;
463        for( auto & clause : clauses ) {
464                os << indent << "target function :";
465                if(clause.target.function) { clause.target.function->print(os, indent + 1); }
466                os << endl << indent << "with arguments :" << endl;
467                for( auto & thing : clause.target.arguments) {
468                        if(thing) { thing->print(os, indent + 1); }
469                }
470                os << indent << " with statment :" << endl;
471                if(clause.statement) { clause.statement->print(os, indent + 1); }
472
473                os << indent << " with condition :" << endl;
474                if(clause.condition) { clause.condition->print(os, indent + 1); }
475        }
476
477        os << indent << " timeout of :" << endl;
478        if(timeout.time) { timeout.time->print(os, indent + 1); }
479
480        os << indent << " with statment :" << endl;
481        if(timeout.statement) { timeout.statement->print(os, indent + 1); }
482
483        os << indent << " with condition :" << endl;
484        if(timeout.condition) { timeout.condition->print(os, indent + 1); }
485
486
487        os << indent << " else :" << endl;
488        if(orelse.statement) { orelse.statement->print(os, indent + 1); }
489
490        os << indent << " with condition :" << endl;
491        if(orelse.condition) { orelse.condition->print(os, indent + 1); }
492}
493
494
495WithStmt::WithStmt( const std::list< Expression * > & exprs, Statement * stmt ) : Declaration("", noStorageClasses, LinkageSpec::Cforall), exprs( exprs ), stmt( stmt ) {}
496WithStmt::WithStmt( const WithStmt & other ) : Declaration( other ), stmt( maybeClone( other.stmt ) ) {
497        cloneAll( other.exprs, exprs );
498}
499WithStmt::~WithStmt() {
500        deleteAll( exprs );
501        delete stmt;
502}
503
504void WithStmt::print( std::ostream & os, Indenter indent ) const {
505        os << "With statement" << endl;
506        os << indent << "... with expressions: " << endl;
507        printAll( exprs, os, indent+1 );
508        os << indent << "... with statement:" << endl << indent+1;
509        stmt->print( os, indent+1 );
510}
511
512
513NullStmt::NullStmt( const std::list<Label> & labels ) : Statement( labels ) {
514}
515
516void NullStmt::print( std::ostream & os, Indenter indent ) const {
517        os << "Null Statement" << endl;
518        Statement::print( os, indent );
519}
520
521ImplicitCtorDtorStmt::ImplicitCtorDtorStmt( Statement * callStmt ) : Statement(), callStmt( callStmt ) {
522        assert( callStmt );
523}
524
525ImplicitCtorDtorStmt::ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other ) : Statement( other ), callStmt( maybeClone( other.callStmt ) ) {
526}
527
528ImplicitCtorDtorStmt::~ImplicitCtorDtorStmt() {
529        delete callStmt;
530}
531
532void ImplicitCtorDtorStmt::print( std::ostream & os, Indenter indent ) const {
533        os << "Implicit Ctor Dtor Statement" << endl;
534        os << indent << "... with Ctor/Dtor: ";
535        callStmt->print( os, indent+1);
536        os << endl;
537}
538
539// Local Variables: //
540// tab-width: 4 //
541// mode: c++ //
542// compile-command: "make install" //
543// End: //
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