1 | // |
---|
2 | // Cforall Version 1.0.0 Copyright (C) 2016 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 | // Keywords.cc -- |
---|
8 | // |
---|
9 | // Author : Thierry Delisle |
---|
10 | // Created On : Mon Mar 13 12:41:22 2017 |
---|
11 | // Last Modified By : |
---|
12 | // Last Modified On : |
---|
13 | // Update Count : 5 |
---|
14 | // |
---|
15 | |
---|
16 | #include "Concurrency/Keywords.h" |
---|
17 | |
---|
18 | #include <cassert> // for assert |
---|
19 | #include <string> // for string, operator== |
---|
20 | |
---|
21 | #include "Common/PassVisitor.h" // for PassVisitor |
---|
22 | #include "Common/SemanticError.h" // for SemanticError |
---|
23 | #include "Common/utility.h" // for deleteAll, map_range |
---|
24 | #include "CodeGen/OperatorTable.h" // for isConstructor |
---|
25 | #include "InitTweak/InitTweak.h" // for getPointerBase |
---|
26 | #include "Parser/LinkageSpec.h" // for Cforall |
---|
27 | #include "SymTab/AddVisit.h" // for acceptAndAdd |
---|
28 | #include "SynTree/Constant.h" // for Constant |
---|
29 | #include "SynTree/Declaration.h" // for StructDecl, FunctionDecl, ObjectDecl |
---|
30 | #include "SynTree/Expression.h" // for VariableExpr, ConstantExpr, Untype... |
---|
31 | #include "SynTree/Initializer.h" // for SingleInit, ListInit, Initializer ... |
---|
32 | #include "SynTree/Label.h" // for Label |
---|
33 | #include "SynTree/Statement.h" // for CompoundStmt, DeclStmt, ExprStmt |
---|
34 | #include "SynTree/Type.h" // for StructInstType, Type, PointerType |
---|
35 | #include "SynTree/Visitor.h" // for Visitor, acceptAll |
---|
36 | |
---|
37 | class Attribute; |
---|
38 | |
---|
39 | namespace Concurrency { |
---|
40 | |
---|
41 | namespace { |
---|
42 | const std::list<Label> noLabels; |
---|
43 | const std::list< Attribute * > noAttributes; |
---|
44 | Type::StorageClasses noStorage; |
---|
45 | Type::Qualifiers noQualifiers; |
---|
46 | } |
---|
47 | |
---|
48 | //============================================================================================= |
---|
49 | // Pass declarations |
---|
50 | //============================================================================================= |
---|
51 | |
---|
52 | //----------------------------------------------------------------------------- |
---|
53 | //Handles sue type declarations : |
---|
54 | // sue MyType { struct MyType { |
---|
55 | // int data; int data; |
---|
56 | // a_struct_t more_data; a_struct_t more_data; |
---|
57 | // => NewField_t newField; |
---|
58 | // }; }; |
---|
59 | // static inline NewField_t * getter_name( MyType * this ) { return &this->newField; } |
---|
60 | // |
---|
61 | class ConcurrentSueKeyword : public WithDeclsToAdd { |
---|
62 | public: |
---|
63 | |
---|
64 | ConcurrentSueKeyword( std::string&& type_name, std::string&& field_name, std::string&& getter_name, std::string&& context_error, bool needs_main ) : |
---|
65 | type_name( type_name ), field_name( field_name ), getter_name( getter_name ), context_error( context_error ), needs_main( needs_main ) {} |
---|
66 | |
---|
67 | virtual ~ConcurrentSueKeyword() {} |
---|
68 | |
---|
69 | void postvisit( StructDecl * decl ); |
---|
70 | |
---|
71 | void handle( StructDecl * ); |
---|
72 | FunctionDecl * forwardDeclare( StructDecl * ); |
---|
73 | ObjectDecl * addField( StructDecl * ); |
---|
74 | void addRoutines( ObjectDecl *, FunctionDecl * ); |
---|
75 | |
---|
76 | virtual bool is_target( StructDecl * decl ) = 0; |
---|
77 | |
---|
78 | private: |
---|
79 | const std::string type_name; |
---|
80 | const std::string field_name; |
---|
81 | const std::string getter_name; |
---|
82 | const std::string context_error; |
---|
83 | bool needs_main; |
---|
84 | |
---|
85 | StructDecl* type_decl = nullptr; |
---|
86 | }; |
---|
87 | |
---|
88 | |
---|
89 | //----------------------------------------------------------------------------- |
---|
90 | //Handles thread type declarations : |
---|
91 | // thread Mythread { struct MyThread { |
---|
92 | // int data; int data; |
---|
93 | // a_struct_t more_data; a_struct_t more_data; |
---|
94 | // => thread_desc __thrd_d; |
---|
95 | // }; }; |
---|
96 | // static inline thread_desc * get_thread( MyThread * this ) { return &this->__thrd_d; } |
---|
97 | // |
---|
98 | class ThreadKeyword final : public ConcurrentSueKeyword { |
---|
99 | public: |
---|
100 | |
---|
101 | ThreadKeyword() : ConcurrentSueKeyword( |
---|
102 | "thread_desc", |
---|
103 | "__thrd", |
---|
104 | "get_thread", |
---|
105 | "thread keyword requires threads to be in scope, add #include <thread>", |
---|
106 | true |
---|
107 | ) |
---|
108 | {} |
---|
109 | |
---|
110 | virtual ~ThreadKeyword() {} |
---|
111 | |
---|
112 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_thread(); } |
---|
113 | |
---|
114 | static void implement( std::list< Declaration * > & translationUnit ) { |
---|
115 | PassVisitor< ThreadKeyword > impl; |
---|
116 | acceptAll( translationUnit, impl ); |
---|
117 | } |
---|
118 | }; |
---|
119 | |
---|
120 | //----------------------------------------------------------------------------- |
---|
121 | //Handles coroutine type declarations : |
---|
122 | // coroutine MyCoroutine { struct MyCoroutine { |
---|
123 | // int data; int data; |
---|
124 | // a_struct_t more_data; a_struct_t more_data; |
---|
125 | // => coroutine_desc __cor_d; |
---|
126 | // }; }; |
---|
127 | // static inline coroutine_desc * get_coroutine( MyCoroutine * this ) { return &this->__cor_d; } |
---|
128 | // |
---|
129 | class CoroutineKeyword final : public ConcurrentSueKeyword { |
---|
130 | public: |
---|
131 | |
---|
132 | CoroutineKeyword() : ConcurrentSueKeyword( |
---|
133 | "coroutine_desc", |
---|
134 | "__cor", |
---|
135 | "get_coroutine", |
---|
136 | "coroutine keyword requires coroutines to be in scope, add #include <coroutine>", |
---|
137 | true |
---|
138 | ) |
---|
139 | {} |
---|
140 | |
---|
141 | virtual ~CoroutineKeyword() {} |
---|
142 | |
---|
143 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_coroutine(); } |
---|
144 | |
---|
145 | static void implement( std::list< Declaration * > & translationUnit ) { |
---|
146 | PassVisitor< CoroutineKeyword > impl; |
---|
147 | acceptAll( translationUnit, impl ); |
---|
148 | } |
---|
149 | }; |
---|
150 | |
---|
151 | //----------------------------------------------------------------------------- |
---|
152 | //Handles monitor type declarations : |
---|
153 | // monitor MyMonitor { struct MyMonitor { |
---|
154 | // int data; int data; |
---|
155 | // a_struct_t more_data; a_struct_t more_data; |
---|
156 | // => monitor_desc __mon_d; |
---|
157 | // }; }; |
---|
158 | // static inline monitor_desc * get_coroutine( MyMonitor * this ) { return &this->__cor_d; } |
---|
159 | // |
---|
160 | class MonitorKeyword final : public ConcurrentSueKeyword { |
---|
161 | public: |
---|
162 | |
---|
163 | MonitorKeyword() : ConcurrentSueKeyword( |
---|
164 | "monitor_desc", |
---|
165 | "__mon", |
---|
166 | "get_monitor", |
---|
167 | "monitor keyword requires monitors to be in scope, add #include <monitor>", |
---|
168 | false |
---|
169 | ) |
---|
170 | {} |
---|
171 | |
---|
172 | virtual ~MonitorKeyword() {} |
---|
173 | |
---|
174 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_monitor(); } |
---|
175 | |
---|
176 | static void implement( std::list< Declaration * > & translationUnit ) { |
---|
177 | PassVisitor< MonitorKeyword > impl; |
---|
178 | acceptAll( translationUnit, impl ); |
---|
179 | } |
---|
180 | }; |
---|
181 | |
---|
182 | //----------------------------------------------------------------------------- |
---|
183 | //Handles mutex routines definitions : |
---|
184 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
---|
185 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
---|
186 | // monitor_guard_t __guard = { __monitors, 2 }; |
---|
187 | // /*Some code*/ => /*Some code*/ |
---|
188 | // } } |
---|
189 | // |
---|
190 | class MutexKeyword final { |
---|
191 | public: |
---|
192 | |
---|
193 | void postvisit( FunctionDecl * decl ); |
---|
194 | void postvisit( StructDecl * decl ); |
---|
195 | |
---|
196 | std::list<DeclarationWithType*> findMutexArgs( FunctionDecl* ); |
---|
197 | void validate( DeclarationWithType * ); |
---|
198 | void addStatments( FunctionDecl* func, CompoundStmt *, const std::list<DeclarationWithType * > &); |
---|
199 | |
---|
200 | static void implement( std::list< Declaration * > & translationUnit ) { |
---|
201 | PassVisitor< MutexKeyword > impl; |
---|
202 | acceptAll( translationUnit, impl ); |
---|
203 | } |
---|
204 | |
---|
205 | private: |
---|
206 | StructDecl* monitor_decl = nullptr; |
---|
207 | StructDecl* guard_decl = nullptr; |
---|
208 | |
---|
209 | static std::unique_ptr< Type > generic_func; |
---|
210 | }; |
---|
211 | |
---|
212 | std::unique_ptr< Type > MutexKeyword::generic_func = std::unique_ptr< Type >( |
---|
213 | new FunctionType( |
---|
214 | noQualifiers, |
---|
215 | true |
---|
216 | ) |
---|
217 | ); |
---|
218 | |
---|
219 | //----------------------------------------------------------------------------- |
---|
220 | //Handles mutex routines definitions : |
---|
221 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
---|
222 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
---|
223 | // monitor_guard_t __guard = { __monitors, 2 }; |
---|
224 | // /*Some code*/ => /*Some code*/ |
---|
225 | // } } |
---|
226 | // |
---|
227 | class ThreadStarter final { |
---|
228 | public: |
---|
229 | |
---|
230 | void postvisit( FunctionDecl * decl ); |
---|
231 | |
---|
232 | void addStartStatement( FunctionDecl * decl, DeclarationWithType * param ); |
---|
233 | |
---|
234 | static void implement( std::list< Declaration * > & translationUnit ) { |
---|
235 | PassVisitor< ThreadStarter > impl; |
---|
236 | acceptAll( translationUnit, impl ); |
---|
237 | } |
---|
238 | }; |
---|
239 | |
---|
240 | //============================================================================================= |
---|
241 | // General entry routine |
---|
242 | //============================================================================================= |
---|
243 | void applyKeywords( std::list< Declaration * > & translationUnit ) { |
---|
244 | ThreadKeyword ::implement( translationUnit ); |
---|
245 | CoroutineKeyword ::implement( translationUnit ); |
---|
246 | MonitorKeyword ::implement( translationUnit ); |
---|
247 | } |
---|
248 | |
---|
249 | void implementMutexFuncs( std::list< Declaration * > & translationUnit ) { |
---|
250 | MutexKeyword ::implement( translationUnit ); |
---|
251 | } |
---|
252 | |
---|
253 | void implementThreadStarter( std::list< Declaration * > & translationUnit ) { |
---|
254 | ThreadStarter ::implement( translationUnit ); |
---|
255 | } |
---|
256 | |
---|
257 | //============================================================================================= |
---|
258 | // Generic keyword implementation |
---|
259 | //============================================================================================= |
---|
260 | void ConcurrentSueKeyword::postvisit(StructDecl * decl) { |
---|
261 | if( decl->get_name() == type_name && decl->has_body() ) { |
---|
262 | assert( !type_decl ); |
---|
263 | type_decl = decl; |
---|
264 | } |
---|
265 | else if ( is_target(decl) ) { |
---|
266 | handle( decl ); |
---|
267 | } |
---|
268 | |
---|
269 | } |
---|
270 | |
---|
271 | void ConcurrentSueKeyword::handle( StructDecl * decl ) { |
---|
272 | if( ! decl->has_body() ) return; |
---|
273 | |
---|
274 | if( !type_decl ) throw SemanticError( context_error, decl ); |
---|
275 | |
---|
276 | FunctionDecl * func = forwardDeclare( decl ); |
---|
277 | ObjectDecl * field = addField( decl ); |
---|
278 | addRoutines( field, func ); |
---|
279 | } |
---|
280 | |
---|
281 | FunctionDecl * ConcurrentSueKeyword::forwardDeclare( StructDecl * decl ) { |
---|
282 | |
---|
283 | StructDecl * forward = decl->clone(); |
---|
284 | forward->set_body( false ); |
---|
285 | deleteAll( forward->get_members() ); |
---|
286 | forward->get_members().clear(); |
---|
287 | |
---|
288 | FunctionType * get_type = new FunctionType( noQualifiers, false ); |
---|
289 | ObjectDecl * this_decl = new ObjectDecl( |
---|
290 | "this", |
---|
291 | noStorage, |
---|
292 | LinkageSpec::Cforall, |
---|
293 | nullptr, |
---|
294 | new ReferenceType( |
---|
295 | noQualifiers, |
---|
296 | new StructInstType( |
---|
297 | noQualifiers, |
---|
298 | decl |
---|
299 | ) |
---|
300 | ), |
---|
301 | nullptr |
---|
302 | ); |
---|
303 | |
---|
304 | get_type->get_parameters().push_back( this_decl ); |
---|
305 | get_type->get_returnVals().push_back( |
---|
306 | new ObjectDecl( |
---|
307 | "ret", |
---|
308 | noStorage, |
---|
309 | LinkageSpec::Cforall, |
---|
310 | nullptr, |
---|
311 | new PointerType( |
---|
312 | noQualifiers, |
---|
313 | new StructInstType( |
---|
314 | noQualifiers, |
---|
315 | type_decl |
---|
316 | ) |
---|
317 | ), |
---|
318 | nullptr |
---|
319 | ) |
---|
320 | ); |
---|
321 | |
---|
322 | FunctionDecl * get_decl = new FunctionDecl( |
---|
323 | getter_name, |
---|
324 | Type::Static, |
---|
325 | LinkageSpec::Cforall, |
---|
326 | get_type, |
---|
327 | nullptr, |
---|
328 | noAttributes, |
---|
329 | Type::Inline |
---|
330 | ); |
---|
331 | |
---|
332 | FunctionDecl * main_decl = nullptr; |
---|
333 | |
---|
334 | if( needs_main ) { |
---|
335 | FunctionType * main_type = new FunctionType( noQualifiers, false ); |
---|
336 | |
---|
337 | main_type->get_parameters().push_back( this_decl->clone() ); |
---|
338 | |
---|
339 | main_decl = new FunctionDecl( |
---|
340 | "main", |
---|
341 | noStorage, |
---|
342 | LinkageSpec::Cforall, |
---|
343 | main_type, |
---|
344 | nullptr |
---|
345 | ); |
---|
346 | } |
---|
347 | |
---|
348 | declsToAddBefore.push_back( forward ); |
---|
349 | if( needs_main ) declsToAddBefore.push_back( main_decl ); |
---|
350 | declsToAddBefore.push_back( get_decl ); |
---|
351 | |
---|
352 | return get_decl; |
---|
353 | } |
---|
354 | |
---|
355 | ObjectDecl * ConcurrentSueKeyword::addField( StructDecl * decl ) { |
---|
356 | ObjectDecl * field = new ObjectDecl( |
---|
357 | field_name, |
---|
358 | noStorage, |
---|
359 | LinkageSpec::Cforall, |
---|
360 | nullptr, |
---|
361 | new StructInstType( |
---|
362 | noQualifiers, |
---|
363 | type_decl |
---|
364 | ), |
---|
365 | nullptr |
---|
366 | ); |
---|
367 | |
---|
368 | decl->get_members().push_back( field ); |
---|
369 | |
---|
370 | return field; |
---|
371 | } |
---|
372 | |
---|
373 | void ConcurrentSueKeyword::addRoutines( ObjectDecl * field, FunctionDecl * func ) { |
---|
374 | CompoundStmt * statement = new CompoundStmt( noLabels ); |
---|
375 | statement->push_back( |
---|
376 | new ReturnStmt( |
---|
377 | noLabels, |
---|
378 | new AddressExpr( |
---|
379 | new MemberExpr( |
---|
380 | field, |
---|
381 | UntypedExpr::createDeref( new VariableExpr( func->get_functionType()->get_parameters().front() ) ) |
---|
382 | ) |
---|
383 | ) |
---|
384 | ) |
---|
385 | ); |
---|
386 | |
---|
387 | FunctionDecl * get_decl = func->clone(); |
---|
388 | |
---|
389 | get_decl->set_statements( statement ); |
---|
390 | |
---|
391 | declsToAddAfter.push_back( get_decl ); |
---|
392 | |
---|
393 | // get_decl->fixUniqueId(); |
---|
394 | } |
---|
395 | |
---|
396 | //============================================================================================= |
---|
397 | // Mutex keyword implementation |
---|
398 | //============================================================================================= |
---|
399 | |
---|
400 | void MutexKeyword::postvisit(FunctionDecl* decl) { |
---|
401 | |
---|
402 | std::list<DeclarationWithType*> mutexArgs = findMutexArgs( decl ); |
---|
403 | if( mutexArgs.empty() ) return; |
---|
404 | |
---|
405 | for(auto arg : mutexArgs) { |
---|
406 | validate( arg ); |
---|
407 | } |
---|
408 | |
---|
409 | CompoundStmt* body = decl->get_statements(); |
---|
410 | if( ! body ) return; |
---|
411 | |
---|
412 | if( !monitor_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
---|
413 | if( !guard_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
---|
414 | |
---|
415 | addStatments( decl, body, mutexArgs ); |
---|
416 | } |
---|
417 | |
---|
418 | void MutexKeyword::postvisit(StructDecl* decl) { |
---|
419 | |
---|
420 | if( decl->get_name() == "monitor_desc" ) { |
---|
421 | assert( !monitor_decl ); |
---|
422 | monitor_decl = decl; |
---|
423 | } |
---|
424 | else if( decl->get_name() == "monitor_guard_t" ) { |
---|
425 | assert( !guard_decl ); |
---|
426 | guard_decl = decl; |
---|
427 | } |
---|
428 | } |
---|
429 | |
---|
430 | std::list<DeclarationWithType*> MutexKeyword::findMutexArgs( FunctionDecl* decl ) { |
---|
431 | std::list<DeclarationWithType*> mutexArgs; |
---|
432 | |
---|
433 | for( auto arg : decl->get_functionType()->get_parameters()) { |
---|
434 | //Find mutex arguments |
---|
435 | Type* ty = arg->get_type(); |
---|
436 | if( ! ty->get_mutex() ) continue; |
---|
437 | |
---|
438 | //Append it to the list |
---|
439 | mutexArgs.push_back( arg ); |
---|
440 | } |
---|
441 | |
---|
442 | return mutexArgs; |
---|
443 | } |
---|
444 | |
---|
445 | void MutexKeyword::validate( DeclarationWithType * arg ) { |
---|
446 | Type* ty = arg->get_type(); |
---|
447 | |
---|
448 | //Makes sure it's not a copy |
---|
449 | ReferenceType* rty = dynamic_cast< ReferenceType * >( ty ); |
---|
450 | if( ! rty ) throw SemanticError( "Mutex argument must be of reference type ", arg ); |
---|
451 | |
---|
452 | //Make sure the we are pointing directly to a type |
---|
453 | Type* base = rty->get_base(); |
---|
454 | if( dynamic_cast< ReferenceType * >( base ) ) throw SemanticError( "Mutex argument have exactly one level of indirection ", arg ); |
---|
455 | if( dynamic_cast< PointerType * >( base ) ) throw SemanticError( "Mutex argument have exactly one level of indirection ", arg ); |
---|
456 | |
---|
457 | //Make sure that typed isn't mutex |
---|
458 | if( base->get_mutex() ) throw SemanticError( "mutex keyword may only appear once per argument ", arg ); |
---|
459 | } |
---|
460 | |
---|
461 | void MutexKeyword::addStatments( FunctionDecl* func, CompoundStmt * body, const std::list<DeclarationWithType * > & args ) { |
---|
462 | ObjectDecl * monitors = new ObjectDecl( |
---|
463 | "__monitors", |
---|
464 | noStorage, |
---|
465 | LinkageSpec::Cforall, |
---|
466 | nullptr, |
---|
467 | new ArrayType( |
---|
468 | noQualifiers, |
---|
469 | new PointerType( |
---|
470 | noQualifiers, |
---|
471 | new StructInstType( |
---|
472 | noQualifiers, |
---|
473 | monitor_decl |
---|
474 | ) |
---|
475 | ), |
---|
476 | new ConstantExpr( Constant::from_ulong( args.size() ) ), |
---|
477 | false, |
---|
478 | false |
---|
479 | ), |
---|
480 | new ListInit( |
---|
481 | map_range < std::list<Initializer*> > ( args, [this](DeclarationWithType * var ){ |
---|
482 | Type * type = var->get_type()->clone(); |
---|
483 | type->set_mutex( false ); |
---|
484 | return new SingleInit( new UntypedExpr( |
---|
485 | new NameExpr( "get_monitor" ), |
---|
486 | { new CastExpr( new VariableExpr( var ), type ) } |
---|
487 | ) ); |
---|
488 | }) |
---|
489 | ) |
---|
490 | ); |
---|
491 | |
---|
492 | assert(generic_func); |
---|
493 | |
---|
494 | //in reverse order : |
---|
495 | // monitor_guard_t __guard = { __monitors, #, func }; |
---|
496 | body->push_front( |
---|
497 | new DeclStmt( noLabels, new ObjectDecl( |
---|
498 | "__guard", |
---|
499 | noStorage, |
---|
500 | LinkageSpec::Cforall, |
---|
501 | nullptr, |
---|
502 | new StructInstType( |
---|
503 | noQualifiers, |
---|
504 | guard_decl |
---|
505 | ), |
---|
506 | new ListInit( |
---|
507 | { |
---|
508 | new SingleInit( new VariableExpr( monitors ) ), |
---|
509 | new SingleInit( new ConstantExpr( Constant::from_ulong( args.size() ) ) ), |
---|
510 | new SingleInit( new CastExpr( new VariableExpr( func ), generic_func->clone() ) ) |
---|
511 | }, |
---|
512 | noDesignators, |
---|
513 | true |
---|
514 | ) |
---|
515 | )) |
---|
516 | ); |
---|
517 | |
---|
518 | //monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
---|
519 | body->push_front( new DeclStmt( noLabels, monitors) ); |
---|
520 | } |
---|
521 | |
---|
522 | //============================================================================================= |
---|
523 | // General entry routine |
---|
524 | //============================================================================================= |
---|
525 | void ThreadStarter::postvisit(FunctionDecl * decl) { |
---|
526 | if( ! CodeGen::isConstructor(decl->get_name()) ) return; |
---|
527 | |
---|
528 | DeclarationWithType * param = decl->get_functionType()->get_parameters().front(); |
---|
529 | auto type = dynamic_cast< StructInstType * >( InitTweak::getPointerBase( param->get_type() ) ); |
---|
530 | // if( type ) std::cerr << "FRED2" << std::endl; |
---|
531 | if( type && type->get_baseStruct()->is_thread() ) { |
---|
532 | addStartStatement( decl, param ); |
---|
533 | } |
---|
534 | } |
---|
535 | |
---|
536 | void ThreadStarter::addStartStatement( FunctionDecl * decl, DeclarationWithType * param ) { |
---|
537 | CompoundStmt * stmt = decl->get_statements(); |
---|
538 | |
---|
539 | if( ! stmt ) return; |
---|
540 | |
---|
541 | stmt->push_back( |
---|
542 | new ExprStmt( |
---|
543 | noLabels, |
---|
544 | new UntypedExpr( |
---|
545 | new NameExpr( "__thrd_start" ), |
---|
546 | { new VariableExpr( param ) } |
---|
547 | ) |
---|
548 | ) |
---|
549 | ); |
---|
550 | } |
---|
551 | }; |
---|
552 | |
---|
553 | // Local Variables: // |
---|
554 | // mode: c // |
---|
555 | // tab-width: 4 // |
---|
556 | // End: // |
---|