source: src/CodeGen/CodeGenerator.cc@ a7b8126

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 a7b8126 was 8a4da06, checked in by Rob Schluntz <rschlunt@…>, 10 years ago

fixed unused variable warning
  • Property mode set to 100644
File size: 19.7 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// CodeGenerator.cc --
8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
11// Last Modified By : Rob Schluntz
12// Last Modified On : Fri Sep 11 12:59:09 2015
13// Update Count : 223
14//
15
16#include <algorithm>
17#include <iostream>
18#include <cassert>
19#include <list>
20
21#include "Parser/ParseNode.h"
22
23#include "SynTree/Type.h"
24#include "SynTree/Expression.h"
25#include "SynTree/Initializer.h"
26#include "SynTree/Statement.h"
27
28#include "utility.h"
29#include "UnimplementedError.h"
30
31#include "CodeGenerator.h"
32#include "OperatorTable.h"
33#include "GenType.h"
34
35using namespace std;
36
37namespace CodeGen {
38 int CodeGenerator::tabsize = 4;
39
40 // the kinds of statements that would ideally be followed by whitespace
41 bool wantSpacing( Statement * stmt) {
42 return dynamic_cast< IfStmt * >( stmt ) || dynamic_cast< CompoundStmt * >( stmt ) ||
43 dynamic_cast< WhileStmt * >( stmt ) || dynamic_cast< ForStmt * > ( stmt ) || dynamic_cast< SwitchStmt *>( stmt );
44 }
45
46 ostream & CodeGenerator::Indenter::operator()( ostream & output ) {
47 return output << string( cg.cur_indent, ' ' );
48 }
49
50 ostream & operator<<( ostream & output, CodeGenerator::Indenter &indent ) {
51 return indent( output );
52 }
53
54 CodeGenerator::CodeGenerator( std::ostream &os ) : indent( *this), cur_indent( 0 ), insideFunction( false ), output( os ) { }
55
56 CodeGenerator::CodeGenerator( std::ostream &os, std::string init, int indentation, bool infunp )
57 : indent( *this), cur_indent( indentation ), insideFunction( infunp ), output( os ) {
58 //output << std::string( init );
59 }
60
61 CodeGenerator::CodeGenerator( std::ostream &os, char *init, int indentation, bool infunp )
62 : indent( *this ), cur_indent( indentation ), insideFunction( infunp ), output( os ) {
63 //output << std::string( init );
64 }
65
66 string mangleName( DeclarationWithType *decl ) {
67 if ( decl->get_mangleName() != "" ) {
68 return decl->get_mangleName();
69 } else {
70 return decl->get_name();
71 } // if
72 }
73
74 //*** Declarations
75 void CodeGenerator::visit( FunctionDecl *functionDecl ) {
76 handleStorageClass( functionDecl );
77 if ( functionDecl->get_isInline() ) {
78 output << "inline ";
79 } // if
80 if ( functionDecl->get_isNoreturn() ) {
81 output << "_Noreturn ";
82 } // if
83 output << genType( functionDecl->get_functionType(), mangleName( functionDecl ) );
84
85 // how to get this to the Functype?
86 std::list< Declaration * > olds = functionDecl->get_oldDecls();
87 if ( ! olds.empty() ) {
88 output << " /* function has old declaration */";
89 } // if
90
91 // acceptAll( functionDecl->get_oldDecls(), *this );
92 if ( functionDecl->get_statements() ) {
93 functionDecl->get_statements()->accept( *this );
94 } // if
95 }
96
97 void CodeGenerator::visit( ObjectDecl *objectDecl ) {
98 handleStorageClass( objectDecl );
99 output << genType( objectDecl->get_type(), mangleName( objectDecl ) );
100
101 if ( objectDecl->get_init() ) {
102 output << " = ";
103 objectDecl->get_init()->accept( *this );
104 } // if
105 if ( objectDecl->get_bitfieldWidth() ) {
106 output << ":";
107 objectDecl->get_bitfieldWidth()->accept( *this );
108 } // if
109 }
110
111 void CodeGenerator::handleAggregate( AggregateDecl *aggDecl ) {
112 if ( aggDecl->get_name() != "" )
113 output << aggDecl->get_name();
114
115 std::list< Declaration * > &memb = aggDecl->get_members();
116
117 if ( ! memb.empty() ) {
118 output << " {" << endl;
119
120 cur_indent += CodeGenerator::tabsize;
121 for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) {
122 output << indent;
123 (*i)->accept( *this );
124 output << ";" << endl;
125 }
126
127 cur_indent -= CodeGenerator::tabsize;
128
129 output << indent << "}";
130 } // if
131 }
132
133 void CodeGenerator::visit( StructDecl *structDecl ) {
134 output << "struct ";
135 handleAggregate( structDecl );
136 }
137
138 void CodeGenerator::visit( UnionDecl *aggregateDecl ) {
139 output << "union ";
140 handleAggregate( aggregateDecl );
141 }
142
143 void CodeGenerator::visit( EnumDecl *aggDecl ) {
144 output << "enum ";
145
146 if ( aggDecl->get_name() != "" )
147 output << aggDecl->get_name();
148
149 std::list< Declaration* > &memb = aggDecl->get_members();
150
151 if ( ! memb.empty() ) {
152 output << " {" << endl;
153
154 cur_indent += CodeGenerator::tabsize;
155 for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) {
156 ObjectDecl *obj = dynamic_cast< ObjectDecl* >( *i );
157 assert( obj );
158 output << indent << mangleName( obj );
159 if ( obj->get_init() ) {
160 output << " = ";
161 obj->get_init()->accept( *this );
162 } // if
163 output << "," << endl;
164 } // for
165
166 cur_indent -= CodeGenerator::tabsize;
167
168 output << indent << "}";
169 } // if
170 }
171
172 void CodeGenerator::visit( ContextDecl *aggregateDecl ) {}
173
174 void CodeGenerator::visit( TypedefDecl *typeDecl ) {
175 output << "typedef ";
176 output << genType( typeDecl->get_base(), typeDecl->get_name() );
177 }
178
179 void CodeGenerator::visit( TypeDecl *typeDecl ) {
180 // really, we should mutate this into something that isn't a TypeDecl but that requires large-scale changes,
181 // still to be done
182 output << "extern unsigned long " << typeDecl->get_name();
183 if ( typeDecl->get_base() ) {
184 output << " = sizeof( " << genType( typeDecl->get_base(), "" ) << " )";
185 } // if
186 }
187
188 void CodeGenerator::printDesignators( std::list< Expression * > & designators ) {
189 typedef std::list< Expression * > DesignatorList;
190 if ( designators.size() == 0 ) return;
191 for ( DesignatorList::iterator iter = designators.begin(); iter != designators.end(); ++iter ) {
192 if ( dynamic_cast< NameExpr * >( *iter ) ) {
193 // if expression is a name, then initializing aggregate member
194 output << ".";
195 (*iter)->accept( *this );
196 } else {
197 // if not a simple name, it has to be a constant expression, i.e. an array designator
198 output << "[";
199 (*iter)->accept( *this );
200 output << "]";
201 }
202 }
203 output << " = ";
204 }
205
206 void CodeGenerator::visit( SingleInit *init ) {
207 printDesignators( init->get_designators() );
208 init->get_value()->accept( *this );
209 }
210
211 void CodeGenerator::visit( ListInit *init ) {
212 printDesignators( init->get_designators() );
213 output << "{ ";
214 genCommaList( init->begin_initializers(), init->end_initializers() );
215 output << " }";
216 }
217
218 void CodeGenerator::visit( Constant *constant ) {
219 output << constant->get_value() ;
220 }
221
222 //*** Expressions
223 void CodeGenerator::visit( ApplicationExpr *applicationExpr ) {
224 if ( VariableExpr *varExpr = dynamic_cast< VariableExpr* >( applicationExpr->get_function() ) ) {
225 OperatorInfo opInfo;
226 if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( varExpr->get_var()->get_name(), opInfo ) ) {
227 std::list< Expression* >::iterator arg = applicationExpr->get_args().begin();
228 switch ( opInfo.type ) {
229 case OT_PREFIXASSIGN:
230 case OT_POSTFIXASSIGN:
231 case OT_INFIXASSIGN:
232 {
233 assert( arg != applicationExpr->get_args().end() );
234 if ( AddressExpr *addrExpr = dynamic_cast< AddressExpr * >( *arg ) ) {
235
236 *arg = addrExpr->get_arg();
237 } else {
238 UntypedExpr *newExpr = new UntypedExpr( new NameExpr( "*?" ) );
239 newExpr->get_args().push_back( *arg );
240 *arg = newExpr;
241 } // if
242 break;
243 }
244
245 default:
246 // do nothing
247 ;
248 }
249
250 switch ( opInfo.type ) {
251 case OT_INDEX:
252 assert( applicationExpr->get_args().size() == 2 );
253 (*arg++)->accept( *this );
254 output << "[";
255 (*arg)->accept( *this );
256 output << "]";
257 break;
258
259 case OT_CALL:
260 // there are no intrinsic definitions of the function call operator
261 assert( false );
262 break;
263
264 case OT_PREFIX:
265 case OT_PREFIXASSIGN:
266 assert( applicationExpr->get_args().size() == 1 );
267 output << "(";
268 output << opInfo.symbol;
269 (*arg)->accept( *this );
270 output << ")";
271 break;
272
273 case OT_POSTFIX:
274 case OT_POSTFIXASSIGN:
275 assert( applicationExpr->get_args().size() == 1 );
276 (*arg)->accept( *this );
277 output << opInfo.symbol;
278 break;
279
280 case OT_INFIX:
281 case OT_INFIXASSIGN:
282 assert( applicationExpr->get_args().size() == 2 );
283 output << "(";
284 (*arg++)->accept( *this );
285 output << opInfo.symbol;
286 (*arg)->accept( *this );
287 output << ")";
288 break;
289
290 case OT_CONSTANT:
291 case OT_LABELADDRESS:
292 // there are no intrinsic definitions of 0/1 or label addresses as functions
293 assert( false );
294 }
295 } else {
296 varExpr->accept( *this );
297 output << "(";
298 genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() );
299 output << ")";
300 } // if
301 } else {
302 applicationExpr->get_function()->accept( *this );
303 output << "(";
304 genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() );
305 output << ")";
306 } // if
307 }
308
309 void CodeGenerator::visit( UntypedExpr *untypedExpr ) {
310 if ( NameExpr *nameExpr = dynamic_cast< NameExpr* >( untypedExpr->get_function() ) ) {
311 OperatorInfo opInfo;
312 if ( operatorLookup( nameExpr->get_name(), opInfo ) ) {
313 std::list< Expression* >::iterator arg = untypedExpr->get_args().begin();
314 switch ( opInfo.type ) {
315 case OT_INDEX:
316 assert( untypedExpr->get_args().size() == 2 );
317 (*arg++)->accept( *this );
318 output << "[";
319 (*arg)->accept( *this );
320 output << "]";
321 break;
322
323 case OT_CALL:
324 assert( false );
325 break;
326
327 case OT_PREFIX:
328 case OT_PREFIXASSIGN:
329 case OT_LABELADDRESS:
330 assert( untypedExpr->get_args().size() == 1 );
331 output << "(";
332 output << opInfo.symbol;
333 (*arg)->accept( *this );
334 output << ")";
335 break;
336
337 case OT_POSTFIX:
338 case OT_POSTFIXASSIGN:
339 assert( untypedExpr->get_args().size() == 1 );
340 (*arg)->accept( *this );
341 output << opInfo.symbol;
342 break;
343
344 case OT_INFIX:
345 case OT_INFIXASSIGN:
346 assert( untypedExpr->get_args().size() == 2 );
347 output << "(";
348 (*arg++)->accept( *this );
349 output << opInfo.symbol;
350 (*arg)->accept( *this );
351 output << ")";
352 break;
353
354 case OT_CONSTANT:
355 // there are no intrinsic definitions of 0 or 1 as functions
356 assert( false );
357 }
358 } else {
359 nameExpr->accept( *this );
360 output << "(";
361 genCommaList( untypedExpr->get_args().begin(), untypedExpr->get_args().end() );
362 output << ")";
363 } // if
364 } else {
365 untypedExpr->get_function()->accept( *this );
366 output << "(";
367 genCommaList( untypedExpr->get_args().begin(), untypedExpr->get_args().end() );
368 output << ")";
369 } // if
370 }
371
372 void CodeGenerator::visit( NameExpr *nameExpr ) {
373 OperatorInfo opInfo;
374 if ( operatorLookup( nameExpr->get_name(), opInfo ) ) {
375 assert( opInfo.type == OT_CONSTANT );
376 output << opInfo.symbol;
377 } else {
378 output << nameExpr->get_name();
379 } // if
380 }
381
382 void CodeGenerator::visit( AddressExpr *addressExpr ) {
383 output << "(&";
384 // this hack makes sure that we don't convert "constant_zero" to "0" if we're taking its address
385 if ( VariableExpr *variableExpr = dynamic_cast< VariableExpr* >( addressExpr->get_arg() ) ) {
386 output << mangleName( variableExpr->get_var() );
387 } else {
388 addressExpr->get_arg()->accept( *this );
389 } // if
390 output << ")";
391 }
392
393 void CodeGenerator::visit( CastExpr *castExpr ) {
394 output << "((";
395 if ( castExpr->get_results().empty() ) {
396 output << "void" ;
397 } else {
398 output << genType( castExpr->get_results().front(), "" );
399 } // if
400 output << ")";
401 castExpr->get_arg()->accept( *this );
402 output << ")";
403 }
404
405 void CodeGenerator::visit( UntypedMemberExpr *memberExpr ) {
406 assert( false );
407 }
408
409 void CodeGenerator::visit( MemberExpr *memberExpr ) {
410 memberExpr->get_aggregate()->accept( *this );
411 output << "." << mangleName( memberExpr->get_member() );
412 }
413
414 void CodeGenerator::visit( VariableExpr *variableExpr ) {
415 OperatorInfo opInfo;
416 if ( variableExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( variableExpr->get_var()->get_name(), opInfo ) && opInfo.type == OT_CONSTANT ) {
417 output << opInfo.symbol;
418 } else {
419 output << mangleName( variableExpr->get_var() );
420 } // if
421 }
422
423 void CodeGenerator::visit( ConstantExpr *constantExpr ) {
424 assert( constantExpr->get_constant() );
425 constantExpr->get_constant()->accept( *this );
426 }
427
428 void CodeGenerator::visit( SizeofExpr *sizeofExpr ) {
429 output << "sizeof(";
430 if ( sizeofExpr->get_isType() ) {
431 output << genType( sizeofExpr->get_type(), "" );
432 } else {
433 sizeofExpr->get_expr()->accept( *this );
434 } // if
435 output << ")";
436 }
437
438 void CodeGenerator::visit( LogicalExpr *logicalExpr ) {
439 output << "(";
440 logicalExpr->get_arg1()->accept( *this );
441 if ( logicalExpr->get_isAnd() ) {
442 output << " && ";
443 } else {
444 output << " || ";
445 } // if
446 logicalExpr->get_arg2()->accept( *this );
447 output << ")";
448 }
449
450 void CodeGenerator::visit( ConditionalExpr *conditionalExpr ) {
451 output << "(";
452 conditionalExpr->get_arg1()->accept( *this );
453 output << " ? ";
454 conditionalExpr->get_arg2()->accept( *this );
455 output << " : ";
456 conditionalExpr->get_arg3()->accept( *this );
457 output << ")";
458 }
459
460 void CodeGenerator::visit( CommaExpr *commaExpr ) {
461 output << "(";
462 commaExpr->get_arg1()->accept( *this );
463 output << " , ";
464 commaExpr->get_arg2()->accept( *this );
465 output << ")";
466 }
467
468 void CodeGenerator::visit( TupleExpr *tupleExpr ) {}
469
470 void CodeGenerator::visit( TypeExpr *typeExpr ) {}
471
472 void CodeGenerator::visit( AsmExpr *asmExpr ) {
473 if ( asmExpr->get_inout() ) {
474 output << "[ ";
475 asmExpr->get_inout()->accept( *this );
476 output << " ] ";
477 } // if
478 asmExpr->get_constraint()->accept( *this );
479 output << " ( ";
480 asmExpr->get_operand()->accept( *this );
481 output << " )";
482 }
483
484 //*** Statements
485 void CodeGenerator::visit( CompoundStmt *compoundStmt ) {
486 std::list<Statement*> ks = compoundStmt->get_kids();
487 output << "{" << endl;
488
489 cur_indent += CodeGenerator::tabsize;
490
491 for ( std::list<Statement *>::iterator i = ks.begin(); i != ks.end(); i++ ) {
492 output << indent << printLabels( (*i)->get_labels() );
493 (*i)->accept( *this );
494
495 output << endl;
496 if ( wantSpacing( *i ) ) {
497 output << endl;
498 }
499 }
500 cur_indent -= CodeGenerator::tabsize;
501
502 output << indent << "}";
503 }
504
505 void CodeGenerator::visit( ExprStmt *exprStmt ) {
506 // I don't see why this check is necessary.
507 // If this starts to cause problems then put it back in,
508 // with an explanation
509 assert( exprStmt );
510
511 // if ( exprStmt != 0 ) {
512 exprStmt->get_expr()->accept( *this );
513 output << ";" ;
514 // } // if
515 }
516
517 void CodeGenerator::visit( AsmStmt *asmStmt ) {
518 output << "asm ";
519 if ( asmStmt->get_voltile() ) output << "volatile ";
520 if ( ! asmStmt->get_gotolabels().empty() ) output << "goto ";
521 output << "( ";
522 if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *this );
523 output << " : ";
524 genCommaList( asmStmt->get_output().begin(), asmStmt->get_output().end() );
525 output << " : ";
526 genCommaList( asmStmt->get_input().begin(), asmStmt->get_input().end() );
527 output << " : ";
528 genCommaList( asmStmt->get_clobber().begin(), asmStmt->get_clobber().end() );
529 if ( ! asmStmt->get_gotolabels().empty() ) {
530 output << " : ";
531 for ( std::list<Label>::iterator begin = asmStmt->get_gotolabels().begin();; ) {
532 output << *begin++;
533 if ( begin == asmStmt->get_gotolabels().end() ) break;
534 output << ", ";
535 } // for
536 } // if
537 output << " );" ;
538 }
539
540 void CodeGenerator::visit( IfStmt *ifStmt ) {
541 output << "if ( ";
542 ifStmt->get_condition()->accept( *this );
543 output << " ) ";
544
545 ifStmt->get_thenPart()->accept( *this );
546
547 if ( ifStmt->get_elsePart() != 0) {
548 output << " else ";
549 ifStmt->get_elsePart()->accept( *this );
550 } // if
551 }
552
553 void CodeGenerator::visit( SwitchStmt *switchStmt ) {
554 output << "switch ( " ;
555 switchStmt->get_condition()->accept( *this );
556 output << " ) ";
557
558 output << "{" << std::endl;
559 cur_indent += CodeGenerator::tabsize;
560
561 acceptAll( switchStmt->get_branches(), *this );
562
563 cur_indent -= CodeGenerator::tabsize;
564
565 output << indent << "}";
566 }
567
568 void CodeGenerator::visit( CaseStmt *caseStmt ) {
569 output << indent;
570 if ( caseStmt->isDefault()) {
571 output << "default";
572 } else {
573 output << "case ";
574 caseStmt->get_condition()->accept( *this );
575 } // if
576 output << ":\n";
577
578 std::list<Statement *> sts = caseStmt->get_statements();
579
580 cur_indent += CodeGenerator::tabsize;
581 for ( std::list<Statement *>::iterator i = sts.begin(); i != sts.end(); i++) {
582 output << indent << printLabels( (*i)->get_labels() ) ;
583 (*i)->accept( *this );
584 output << endl;
585 }
586 cur_indent -= CodeGenerator::tabsize;
587 }
588
589 void CodeGenerator::visit( BranchStmt *branchStmt ) {
590 switch ( branchStmt->get_type()) {
591 case BranchStmt::Goto:
592 if ( ! branchStmt->get_target().empty() )
593 output << "goto " << branchStmt->get_target();
594 else {
595 if ( branchStmt->get_computedTarget() != 0 ) {
596 output << "goto *";
597 branchStmt->get_computedTarget()->accept( *this );
598 } // if
599 } // if
600 break;
601 case BranchStmt::Break:
602 output << "break";
603 break;
604 case BranchStmt::Continue:
605 output << "continue";
606 break;
607 }
608 output << ";";
609 }
610
611
612 void CodeGenerator::visit( ReturnStmt *returnStmt ) {
613 output << "return ";
614
615 // xxx -- check for null expression;
616 if ( returnStmt->get_expr() ) {
617 returnStmt->get_expr()->accept( *this );
618 } // if
619 output << ";";
620 }
621
622 void CodeGenerator::visit( WhileStmt *whileStmt ) {
623 if ( whileStmt->get_isDoWhile() )
624 output << "do" ;
625 else {
626 output << "while (" ;
627 whileStmt->get_condition()->accept( *this );
628 output << ")";
629 } // if
630 output << " ";
631
632 output << CodeGenerator::printLabels( whileStmt->get_body()->get_labels() );
633 whileStmt->get_body()->accept( *this );
634
635 output << indent;
636
637 if ( whileStmt->get_isDoWhile() ) {
638 output << " while (" ;
639 whileStmt->get_condition()->accept( *this );
640 output << ");";
641 } // if
642 }
643
644 void CodeGenerator::visit( ForStmt *forStmt ) {
645 // initialization is always hoisted, so don't
646 // bother doing anything with that
647 output << "for (;";
648
649 if ( forStmt->get_condition() != 0 )
650 forStmt->get_condition()->accept( *this );
651 output << ";";
652
653 if ( forStmt->get_increment() != 0 )
654 forStmt->get_increment()->accept( *this );
655 output << ") ";
656
657 if ( forStmt->get_body() != 0 ) {
658 output << CodeGenerator::printLabels( forStmt->get_body()->get_labels() );
659 forStmt->get_body()->accept( *this );
660 } // if
661 }
662
663 void CodeGenerator::visit( NullStmt *nullStmt ) {
664 //output << indent << CodeGenerator::printLabels( nullStmt->get_labels() );
665 output << "/* null statement */ ;";
666 }
667
668 void CodeGenerator::visit( DeclStmt *declStmt ) {
669 declStmt->get_decl()->accept( *this );
670
671 if ( doSemicolon( declStmt->get_decl() ) ) {
672 output << ";";
673 } // if
674 }
675
676 std::string CodeGenerator::printLabels( std::list< Label > &l ) {
677 std::string str( "" );
678 l.unique(); // assumes a sorted list. Why not use set?
679
680 for ( std::list< Label >::iterator i = l.begin(); i != l.end(); i++ )
681 str += *i + ": ";
682
683 return str;
684 }
685
686 void CodeGenerator::handleStorageClass( Declaration *decl ) {
687 switch ( decl->get_storageClass() ) {
688 case DeclarationNode::Extern:
689 output << "extern ";
690 break;
691 case DeclarationNode::Static:
692 output << "static ";
693 break;
694 case DeclarationNode::Auto:
695 // silently drop storage class
696 break;
697 case DeclarationNode::Register:
698 output << "register ";
699 break;
700 case DeclarationNode::Inline:
701 output << "inline ";
702 break;
703 case DeclarationNode::Fortran:
704 output << "fortran ";
705 break;
706 case DeclarationNode::Noreturn:
707 output << "_Noreturn ";
708 break;
709 case DeclarationNode::Threadlocal:
710 output << "_Thread_local ";
711 break;
712 case DeclarationNode::NoStorageClass:
713 break;
714 } // switch
715 }
716} // namespace CodeGen
717
718// Local Variables: //
719// tab-width: 4 //
720// mode: c++ //
721// compile-command: "make install" //
722// End: //
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