Changes in / [376c632a:f681823]
- Files:
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- 6 deleted
- 30 edited
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libcfa/src/concurrency/io.cfa (modified) (1 diff)
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libcfa/src/concurrency/kernel.cfa (modified) (13 diffs)
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libcfa/src/concurrency/kernel/fwd.hfa (modified) (1 diff)
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libcfa/src/concurrency/stats.cfa (modified) (3 diffs)
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libcfa/src/concurrency/stats.hfa (modified) (1 diff)
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src/AST/Copy.hpp (modified) (2 diffs)
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src/AST/Node.hpp (modified) (1 diff)
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src/AST/Pass.impl.hpp (modified) (120 diffs)
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src/AST/Stmt.hpp (modified) (12 diffs)
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src/ControlStruct/ExceptTranslateNew.cpp (modified) (3 diffs)
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src/ControlStruct/FixLabels.cpp (modified) (8 diffs)
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src/ControlStruct/FixLabels.hpp (modified) (2 diffs)
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src/ControlStruct/ForExprMutator.h (modified) (2 diffs)
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src/ControlStruct/HoistControlDecls.cpp (deleted)
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src/ControlStruct/HoistControlDecls.hpp (deleted)
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src/ControlStruct/LabelFixer.cc (modified) (2 diffs)
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src/ControlStruct/LabelFixer.h (modified) (2 diffs)
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src/ControlStruct/LabelGenerator.cc (modified) (3 diffs)
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src/ControlStruct/LabelGenerator.h (modified) (2 diffs)
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src/ControlStruct/LabelGeneratorNew.cpp (deleted)
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src/ControlStruct/LabelGeneratorNew.hpp (deleted)
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src/ControlStruct/MultiLevelExit.cpp (modified) (25 diffs)
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src/ControlStruct/MultiLevelExit.hpp (modified) (2 diffs)
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src/ControlStruct/module.mk (modified) (2 diffs)
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src/InitTweak/InitTweak.cc (modified) (2 diffs)
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src/InitTweak/InitTweak.h (modified) (2 diffs)
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src/Parser/ParseNode.h (modified) (3 diffs)
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src/Parser/StatementNode.cc (modified) (4 diffs)
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src/Parser/parser.yy (modified) (5 diffs)
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src/SymTab/Validate.cc (modified) (2 diffs)
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src/SymTab/Validate.h (modified) (1 diff)
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src/Validate/Autogen.cpp (deleted)
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src/Validate/Autogen.hpp (deleted)
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src/Validate/module.mk (modified) (1 diff)
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src/main.cc (modified) (7 diffs)
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tests/concurrent/preempt.cfa (modified) (5 diffs)
Legend:
- Unmodified
- Added
- Removed
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libcfa/src/concurrency/io.cfa
r376c632a rf681823 306 306 ctx->proc->io.pending = true; 307 307 ctx->proc->io.dirty = true; 308 if(sq.to_submit > 30) { 309 __tls_stats()->io.flush.full++; 310 __cfa_io_flush( ctx->proc, 0 ); 311 } 312 if(!lazy) { 313 __tls_stats()->io.flush.eager++; 308 if(sq.to_submit > 30 || !lazy) { 314 309 __cfa_io_flush( ctx->proc, 0 ); 315 310 } -
libcfa/src/concurrency/kernel.cfa
r376c632a rf681823 42 42 43 43 #if !defined(__CFA_NO_STATISTICS__) 44 #define __STATS _DEF( ...) __VA_ARGS__44 #define __STATS( ...) __VA_ARGS__ 45 45 #else 46 #define __STATS _DEF( ...)46 #define __STATS( ...) 47 47 #endif 48 48 … … 122 122 static thread$ * __next_thread(cluster * this); 123 123 static thread$ * __next_thread_slow(cluster * this); 124 static thread$ * __next_thread_search(cluster * this);125 124 static inline bool __must_unpark( thread$ * thrd ) __attribute((nonnull(1))); 126 125 static void __run_thread(processor * this, thread$ * dst); … … 188 187 MAIN_LOOP: 189 188 for() { 189 #define OLD_MAIN 1 190 #if OLD_MAIN 190 191 // Check if there is pending io 191 192 __maybe_io_drain( this ); … … 195 196 196 197 if( !readyThread ) { 197 __IO_STATS__(true, io.flush.idle++; )198 198 __cfa_io_flush( this, 0 ); 199 199 200 readyThread = __next_thread( this->cltr );201 }202 203 if( !readyThread ) for(5) {204 __IO_STATS__(true, io.flush.idle++; )205 206 200 readyThread = __next_thread_slow( this->cltr ); 207 208 if( readyThread ) break;209 210 __cfa_io_flush( this, 0 );211 201 } 212 202 … … 220 210 221 211 // Confirm the ready-queue is empty 222 readyThread = __next_thread_s earch( this->cltr );212 readyThread = __next_thread_slow( this->cltr ); 223 213 if( readyThread ) { 224 214 // A thread was found, cancel the halt 225 215 mark_awake(this->cltr->procs, * this); 226 216 227 __STATS__(true, ready.sleep.cancels++; ) 217 #if !defined(__CFA_NO_STATISTICS__) 218 __tls_stats()->ready.sleep.cancels++; 219 #endif 228 220 229 221 // continue the mai loop … … 252 244 253 245 if(this->io.pending && !this->io.dirty) { 254 __IO_STATS__(true, io.flush.dirty++; )255 246 __cfa_io_flush( this, 0 ); 256 247 } 248 249 #else 250 #warning new kernel loop 251 SEARCH: { 252 /* paranoid */ verify( ! __preemption_enabled() ); 253 254 // First, lock the scheduler since we are searching for a thread 255 ready_schedule_lock(); 256 257 // Try to get the next thread 258 readyThread = pop_fast( this->cltr ); 259 if(readyThread) { ready_schedule_unlock(); break SEARCH; } 260 261 // If we can't find a thread, might as well flush any outstanding I/O 262 if(this->io.pending) { __cfa_io_flush( this, 0 ); } 263 264 // Spin a little on I/O, just in case 265 for(5) { 266 __maybe_io_drain( this ); 267 readyThread = pop_fast( this->cltr ); 268 if(readyThread) { ready_schedule_unlock(); break SEARCH; } 269 } 270 271 // no luck, try stealing a few times 272 for(5) { 273 if( __maybe_io_drain( this ) ) { 274 readyThread = pop_fast( this->cltr ); 275 } else { 276 readyThread = pop_slow( this->cltr ); 277 } 278 if(readyThread) { ready_schedule_unlock(); break SEARCH; } 279 } 280 281 // still no luck, search for a thread 282 readyThread = pop_search( this->cltr ); 283 if(readyThread) { ready_schedule_unlock(); break SEARCH; } 284 285 // Don't block if we are done 286 if( __atomic_load_n(&this->do_terminate, __ATOMIC_SEQ_CST) ) { 287 ready_schedule_unlock(); 288 break MAIN_LOOP; 289 } 290 291 __STATS( __tls_stats()->ready.sleep.halts++; ) 292 293 // Push self to idle stack 294 ready_schedule_unlock(); 295 if(!mark_idle(this->cltr->procs, * this)) goto SEARCH; 296 ready_schedule_lock(); 297 298 // Confirm the ready-queue is empty 299 __maybe_io_drain( this ); 300 readyThread = pop_search( this->cltr ); 301 ready_schedule_unlock(); 302 303 if( readyThread ) { 304 // A thread was found, cancel the halt 305 mark_awake(this->cltr->procs, * this); 306 307 __STATS( __tls_stats()->ready.sleep.cancels++; ) 308 309 // continue the main loop 310 break SEARCH; 311 } 312 313 __STATS( if(this->print_halts) __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 0\n", this->unique_id, rdtscl()); ) 314 __cfadbg_print_safe(runtime_core, "Kernel : core %p waiting on eventfd %d\n", this, this->idle_fd); 315 316 { 317 eventfd_t val; 318 ssize_t ret = read( this->idle_fd, &val, sizeof(val) ); 319 if(ret < 0) { 320 switch((int)errno) { 321 case EAGAIN: 322 #if EAGAIN != EWOULDBLOCK 323 case EWOULDBLOCK: 324 #endif 325 case EINTR: 326 // No need to do anything special here, just assume it's a legitimate wake-up 327 break; 328 default: 329 abort( "KERNEL : internal error, read failure on idle eventfd, error(%d) %s.", (int)errno, strerror( (int)errno ) ); 330 } 331 } 332 } 333 334 __STATS( if(this->print_halts) __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 1\n", this->unique_id, rdtscl()); ) 335 336 // We were woken up, remove self from idle 337 mark_awake(this->cltr->procs, * this); 338 339 // DON'T just proceed, start looking again 340 continue MAIN_LOOP; 341 } 342 343 RUN_THREAD: 344 /* paranoid */ verify( ! __preemption_enabled() ); 345 /* paranoid */ verify( readyThread ); 346 347 // Reset io dirty bit 348 this->io.dirty = false; 349 350 // We found a thread run it 351 __run_thread(this, readyThread); 352 353 // Are we done? 354 if( __atomic_load_n(&this->do_terminate, __ATOMIC_SEQ_CST) ) break MAIN_LOOP; 355 356 if(this->io.pending && !this->io.dirty) { 357 __cfa_io_flush( this, 0 ); 358 } 359 360 ready_schedule_lock(); 361 __maybe_io_drain( this ); 362 ready_schedule_unlock(); 363 #endif 257 364 } 258 365 … … 365 472 break RUNNING; 366 473 case TICKET_UNBLOCK: 367 __STATS__(true, ready.threads.threads++; ) 474 #if !defined(__CFA_NO_STATISTICS__) 475 __tls_stats()->ready.threads.threads++; 476 #endif 368 477 // This is case 2, the racy case, someone tried to run this thread before it finished blocking 369 478 // In this case, just run it again. … … 380 489 __cfadbg_print_safe(runtime_core, "Kernel : core %p finished running thread %p\n", this, thrd_dst); 381 490 382 __STATS__(true, ready.threads.threads--; ) 491 #if !defined(__CFA_NO_STATISTICS__) 492 __tls_stats()->ready.threads.threads--; 493 #endif 383 494 384 495 /* paranoid */ verify( ! __preemption_enabled() ); … … 391 502 thread$ * thrd_src = kernelTLS().this_thread; 392 503 393 __STATS _DEF( thrd_src->last_proc = kernelTLS().this_processor; )504 __STATS( thrd_src->last_proc = kernelTLS().this_processor; ) 394 505 395 506 // Run the thread on this processor … … 443 554 // Dereference the thread now because once we push it, there is not guaranteed it's still valid. 444 555 struct cluster * cl = thrd->curr_cluster; 445 __STATS _DEF(bool outside = hint == UNPARK_LOCAL && thrd->last_proc && thrd->last_proc != kernelTLS().this_processor; )556 __STATS(bool outside = hint == UNPARK_LOCAL && thrd->last_proc && thrd->last_proc != kernelTLS().this_processor; ) 446 557 447 558 // push the thread to the cluster ready-queue … … 494 605 495 606 ready_schedule_lock(); 496 thread$ * thrd = pop_slow( this ); 497 ready_schedule_unlock(); 498 499 /* paranoid */ verify( ! __preemption_enabled() ); 500 return thrd; 501 } 502 503 // KERNEL ONLY 504 static inline thread$ * __next_thread_search(cluster * this) with( *this ) { 505 /* paranoid */ verify( ! __preemption_enabled() ); 506 507 ready_schedule_lock(); 508 thread$ * thrd = pop_search( this ); 607 thread$ * thrd; 608 for(25) { 609 thrd = pop_slow( this ); 610 if(thrd) goto RET; 611 } 612 thrd = pop_search( this ); 613 614 RET: 509 615 ready_schedule_unlock(); 510 616 … … 748 854 749 855 static bool mark_idle(__cluster_proc_list & this, processor & proc) { 750 __STATS__(true, ready.sleep.halts++; ) 856 #if !defined(__CFA_NO_STATISTICS__) 857 __tls_stats()->ready.sleep.halts++; 858 #endif 751 859 752 860 proc.idle_wctx.fd = 0; … … 841 949 unsigned tail = *ctx->cq.tail; 842 950 if(head == tail) return false; 843 ready_schedule_lock(); 844 ret = __cfa_io_drain( proc ); 845 ready_schedule_unlock(); 951 #if OLD_MAIN 952 ready_schedule_lock(); 953 ret = __cfa_io_drain( proc ); 954 ready_schedule_unlock(); 955 #else 956 ret = __cfa_io_drain( proc ); 957 #endif 846 958 #endif 847 959 return ret; -
libcfa/src/concurrency/kernel/fwd.hfa
r376c632a rf681823 396 396 if( !(in_kernel) ) enable_interrupts(); \ 397 397 } 398 #if defined(CFA_HAVE_LINUX_IO_URING_H)399 #define __IO_STATS__(in_kernel, ...) { \400 if( !(in_kernel) ) disable_interrupts(); \401 with( *__tls_stats() ) { \402 __VA_ARGS__ \403 } \404 if( !(in_kernel) ) enable_interrupts(); \405 }406 #else407 #define __IO_STATS__(in_kernel, ...)408 #endif409 398 #else 410 399 #define __STATS__(in_kernel, ...) 411 #define __IO_STATS__(in_kernel, ...)412 400 #endif 413 401 } -
libcfa/src/concurrency/stats.cfa
r376c632a rf681823 45 45 stats->io.submit.slow = 0; 46 46 stats->io.flush.external = 0; 47 stats->io.flush.dirty = 0;48 stats->io.flush.full = 0;49 stats->io.flush.idle = 0;50 stats->io.flush.eager = 0;51 47 stats->io.calls.flush = 0; 52 48 stats->io.calls.submitted = 0; … … 111 107 tally_one( &cltr->io.submit.slow , &proc->io.submit.slow ); 112 108 tally_one( &cltr->io.flush.external , &proc->io.flush.external ); 113 tally_one( &cltr->io.flush.dirty , &proc->io.flush.dirty );114 tally_one( &cltr->io.flush.full , &proc->io.flush.full );115 tally_one( &cltr->io.flush.idle , &proc->io.flush.idle );116 tally_one( &cltr->io.flush.eager , &proc->io.flush.eager );117 109 tally_one( &cltr->io.calls.flush , &proc->io.calls.flush ); 118 110 tally_one( &cltr->io.calls.submitted , &proc->io.calls.submitted ); … … 192 184 if(io.alloc.fail || io.alloc.revoke || io.alloc.block) 193 185 sstr | "- failures : " | eng3(io.alloc.fail) | "oom, " | eng3(io.alloc.revoke) | "rvk, " | eng3(io.alloc.block) | "blk"; 194 //if(io.flush.external)195 //sstr | "- flush external : " | eng3(io.flush.external);186 if(io.flush.external) 187 sstr | "- flush external : " | eng3(io.flush.external); 196 188 197 189 double avgsubs = ((double)io.calls.submitted) / io.calls.flush; 198 190 double avgcomp = ((double)io.calls.completed) / io.calls.drain; 199 191 sstr | "- syscll : " 200 | " sub " | eng3(io.calls. submitted) | "/" | eng3(io.calls.flush) | "(" | ws(3, 3, avgsubs) | "/flush)"201 | " - cmp " | eng3(io.calls. completed) | "/" | eng3(io.calls.drain) | "(" | ws(3, 3, avgcomp) | "/drain)"192 | " sub " | eng3(io.calls.flush) | "/" | eng3(io.calls.submitted) | "(" | ws(3, 3, avgsubs) | "/flush)" 193 | " - cmp " | eng3(io.calls.drain) | "/" | eng3(io.calls.completed) | "(" | ws(3, 3, avgcomp) | "/drain)" 202 194 | " - " | eng3(io.calls.errors.busy) | " EBUSY"; 203 sstr | " - sub: " | eng3(io.flush.full) | "full, " | eng3(io.flush.dirty) | "drty, " | eng3(io.flush.idle) | "idle, " | eng3(io.flush.eager) | "eagr, " | eng3(io.flush.external) | "ext";204 195 sstr | "- ops blk: " 205 196 | " sk rd: " | eng3(io.ops.sockread) | "epll: " | eng3(io.ops.epllread) -
libcfa/src/concurrency/stats.hfa
r376c632a rf681823 91 91 struct { 92 92 volatile uint64_t external; 93 volatile uint64_t dirty;94 volatile uint64_t full;95 volatile uint64_t idle;96 volatile uint64_t eager;97 93 } flush; 98 94 struct { -
src/AST/Copy.hpp
r376c632a rf681823 10 10 // Created On : Wed Jul 10 16:13:00 2019 11 11 // Last Modified By : Andrew Beach 12 // Last Modified On : Wed Dec 15 11:07:00 202113 // Update Count : 312 // Last Modified On : Thr Nov 11 9:22:00 2021 13 // Update Count : 2 14 14 // 15 15 … … 52 52 Node * deepCopy<Node>( const Node * localRoot ); 53 53 54 template<typename node_t, enum Node::ref_type ref_t>55 node_t * shallowCopy( const ptr_base<node_t, ref_t> & localRoot ) {56 return shallowCopy( localRoot.get() );57 }58 59 template<typename node_t, enum Node::ref_type ref_t>60 node_t * deepCopy( const ptr_base<node_t, ref_t> & localRoot ) {61 return deepCopy( localRoot.get() );62 }63 64 54 } 65 55 -
src/AST/Node.hpp
r376c632a rf681823 188 188 } 189 189 190 ptr_base & operator=( const node_t * node ) {191 assign( node );192 return *this;193 }194 195 190 template<typename o_node_t> 196 191 ptr_base & operator=( const o_node_t * node ) { -
src/AST/Pass.impl.hpp
r376c632a rf681823 33 33 /* call the implementation of the previsit of this pass */ \ 34 34 __pass::previsit( core, node, 0 ); 35 36 #define VISIT( code... ) \ 37 /* if this node should visit its children */ \ 38 if ( __visit_children() ) { \ 39 /* visit the children */ \ 40 code \ 41 } 35 42 36 43 #define VISIT_END( type, node ) \ … … 445 452 VISIT_START( node ); 446 453 447 if ( __visit_children() ) {454 VISIT( 448 455 { 449 456 guard_symtab guard { *this }; … … 453 460 maybe_accept( node, &ObjectDecl::bitfieldWidth ); 454 461 maybe_accept( node, &ObjectDecl::attributes ); 455 }462 ) 456 463 457 464 __pass::symtab::addId( core, 0, node ); … … 468 475 __pass::symtab::addId( core, 0, node ); 469 476 470 if ( __visit_children() ) { 471 maybe_accept( node, &FunctionDecl::withExprs ); 472 } 477 VISIT(maybe_accept( node, &FunctionDecl::withExprs );) 473 478 { 474 479 // with clause introduces a level of scope (for the with expression members). … … 488 493 } }; 489 494 __pass::symtab::addId( core, 0, func ); 490 if ( __visit_children() ) {495 VISIT( 491 496 // parameter declarations 492 497 maybe_accept( node, &FunctionDecl::params ); … … 504 509 maybe_accept( node, &FunctionDecl::stmts ); 505 510 maybe_accept( node, &FunctionDecl::attributes ); 506 }511 ) 507 512 } 508 513 } … … 521 526 __pass::symtab::addStructFwd( core, 0, node ); 522 527 523 if ( __visit_children() ){528 VISIT({ 524 529 guard_symtab guard { * this }; 525 530 maybe_accept( node, &StructDecl::params ); 526 531 maybe_accept( node, &StructDecl::members ); 527 532 maybe_accept( node, &StructDecl::attributes ); 528 } 533 }) 529 534 530 535 // this addition replaces the forward declaration … … 543 548 __pass::symtab::addUnionFwd( core, 0, node ); 544 549 545 if ( __visit_children() ){550 VISIT({ 546 551 guard_symtab guard { * this }; 547 552 maybe_accept( node, &UnionDecl::params ); 548 553 maybe_accept( node, &UnionDecl::members ); 549 554 maybe_accept( node, &UnionDecl::attributes ); 550 } 555 }) 551 556 552 557 __pass::symtab::addUnion( core, 0, node ); … … 563 568 __pass::symtab::addEnum( core, 0, node ); 564 569 565 if ( __visit_children() ) {570 VISIT( 566 571 // unlike structs, traits, and unions, enums inject their members into the global scope 567 572 maybe_accept( node, &EnumDecl::params ); 568 573 maybe_accept( node, &EnumDecl::members ); 569 574 maybe_accept( node, &EnumDecl::attributes ); 570 }575 ) 571 576 572 577 VISIT_END( Decl, node ); … … 579 584 VISIT_START( node ); 580 585 581 if ( __visit_children() ){586 VISIT({ 582 587 guard_symtab guard { *this }; 583 588 maybe_accept( node, &TraitDecl::params ); 584 589 maybe_accept( node, &TraitDecl::members ); 585 590 maybe_accept( node, &TraitDecl::attributes ); 586 } 591 }) 587 592 588 593 __pass::symtab::addTrait( core, 0, node ); … … 597 602 VISIT_START( node ); 598 603 599 if ( __visit_children() ){604 VISIT({ 600 605 guard_symtab guard { *this }; 601 606 maybe_accept( node, &TypeDecl::base ); 602 } 607 }) 603 608 604 609 // see A NOTE ON THE ORDER OF TRAVERSAL, above … … 607 612 __pass::symtab::addType( core, 0, node ); 608 613 609 if ( __visit_children() ) {614 VISIT( 610 615 maybe_accept( node, &TypeDecl::assertions ); 611 616 … … 614 619 maybe_accept( node, &TypeDecl::init ); 615 620 } 616 }621 ) 617 622 618 623 VISIT_END( Decl, node ); … … 625 630 VISIT_START( node ); 626 631 627 if ( __visit_children() ){632 VISIT({ 628 633 guard_symtab guard { *this }; 629 634 maybe_accept( node, &TypedefDecl::base ); 630 } 635 }) 631 636 632 637 __pass::symtab::addType( core, 0, node ); 633 638 634 if ( __visit_children() ) { 635 maybe_accept( node, &TypedefDecl::assertions ); 636 } 639 VISIT( maybe_accept( node, &TypedefDecl::assertions ); ) 637 640 638 641 VISIT_END( Decl, node ); … … 645 648 VISIT_START( node ); 646 649 647 if ( __visit_children() ) {650 VISIT( 648 651 maybe_accept( node, &AsmDecl::stmt ); 649 }652 ) 650 653 651 654 VISIT_END( AsmDecl, node ); … … 658 661 VISIT_START( node ); 659 662 660 if ( __visit_children() ) {663 VISIT( 661 664 maybe_accept( node, &DirectiveDecl::stmt ); 662 }665 ) 663 666 664 667 VISIT_END( DirectiveDecl, node ); … … 671 674 VISIT_START( node ); 672 675 673 if ( __visit_children() ) {676 VISIT( 674 677 maybe_accept( node, &StaticAssertDecl::cond ); 675 678 maybe_accept( node, &StaticAssertDecl::msg ); 676 }679 ) 677 680 678 681 VISIT_END( StaticAssertDecl, node ); … … 684 687 const ast::CompoundStmt * ast::Pass< core_t >::visit( const ast::CompoundStmt * node ) { 685 688 VISIT_START( node ); 686 687 if ( __visit_children() ) { 689 VISIT( 688 690 // Do not enter (or leave) a new scope if atFunctionTop. Remember to save the result. 689 691 auto guard1 = makeFuncGuard( [this, enterScope = !this->atFunctionTop]() { … … 702 704 guard_scope guard3 { *this }; 703 705 maybe_accept( node, &CompoundStmt::kids ); 704 } 705 706 ) 706 707 VISIT_END( CompoundStmt, node ); 707 708 } … … 713 714 VISIT_START( node ); 714 715 715 if ( __visit_children() ) {716 VISIT( 716 717 maybe_accept( node, &ExprStmt::expr ); 717 }718 ) 718 719 719 720 VISIT_END( Stmt, node ); … … 726 727 VISIT_START( node ) 727 728 728 if ( __visit_children() ) {729 VISIT( 729 730 maybe_accept( node, &AsmStmt::instruction ); 730 731 maybe_accept( node, &AsmStmt::output ); 731 732 maybe_accept( node, &AsmStmt::input ); 732 733 maybe_accept( node, &AsmStmt::clobber ); 733 }734 ) 734 735 735 736 VISIT_END( Stmt, node ); … … 751 752 VISIT_START( node ); 752 753 753 if ( __visit_children() ){754 VISIT({ 754 755 // if statements introduce a level of scope (for the initialization) 755 756 guard_symtab guard { *this }; … … 758 759 maybe_accept_as_compound( node, &IfStmt::thenPart ); 759 760 maybe_accept_as_compound( node, &IfStmt::elsePart ); 760 } 761 }) 761 762 762 763 VISIT_END( Stmt, node ); … … 769 770 VISIT_START( node ); 770 771 771 if ( __visit_children() ){772 VISIT({ 772 773 // while statements introduce a level of scope (for the initialization) 773 774 guard_symtab guard { *this }; … … 775 776 maybe_accept( node, &WhileStmt::cond ); 776 777 maybe_accept_as_compound( node, &WhileStmt::body ); 777 } 778 }) 778 779 779 780 VISIT_END( Stmt, node ); … … 786 787 VISIT_START( node ); 787 788 788 if ( __visit_children() ){789 VISIT({ 789 790 // for statements introduce a level of scope (for the initialization) 790 791 guard_symtab guard { *this }; … … 794 795 maybe_accept( node, &ForStmt::inc ); 795 796 maybe_accept_as_compound( node, &ForStmt::body ); 796 } 797 }) 797 798 798 799 VISIT_END( Stmt, node ); … … 805 806 VISIT_START( node ); 806 807 807 if ( __visit_children() ) {808 VISIT( 808 809 maybe_accept( node, &SwitchStmt::cond ); 809 810 maybe_accept( node, &SwitchStmt::stmts ); 810 }811 ) 811 812 812 813 VISIT_END( Stmt, node ); … … 819 820 VISIT_START( node ); 820 821 821 if ( __visit_children() ) {822 VISIT( 822 823 maybe_accept( node, &CaseStmt::cond ); 823 824 maybe_accept( node, &CaseStmt::stmts ); 824 }825 ) 825 826 826 827 VISIT_END( Stmt, node ); … … 841 842 VISIT_START( node ); 842 843 843 if ( __visit_children() ) {844 VISIT( 844 845 maybe_accept( node, &ReturnStmt::expr ); 845 }846 ) 846 847 847 848 VISIT_END( Stmt, node ); … … 854 855 VISIT_START( node ); 855 856 856 if ( __visit_children() ) {857 VISIT( 857 858 maybe_accept( node, &ThrowStmt::expr ); 858 859 maybe_accept( node, &ThrowStmt::target ); 859 }860 ) 860 861 861 862 VISIT_END( Stmt, node ); … … 868 869 VISIT_START( node ); 869 870 870 if ( __visit_children() ) {871 VISIT( 871 872 maybe_accept( node, &TryStmt::body ); 872 873 maybe_accept( node, &TryStmt::handlers ); 873 874 maybe_accept( node, &TryStmt::finally ); 874 }875 ) 875 876 876 877 VISIT_END( Stmt, node ); … … 883 884 VISIT_START( node ); 884 885 885 if ( __visit_children() ){886 VISIT({ 886 887 // catch statements introduce a level of scope (for the caught exception) 887 888 guard_symtab guard { *this }; … … 889 890 maybe_accept( node, &CatchStmt::cond ); 890 891 maybe_accept_as_compound( node, &CatchStmt::body ); 891 } 892 }) 892 893 893 894 VISIT_END( Stmt, node ); … … 900 901 VISIT_START( node ); 901 902 902 if ( __visit_children() ) {903 VISIT( 903 904 maybe_accept( node, &FinallyStmt::body ); 904 }905 ) 905 906 906 907 VISIT_END( Stmt, node ); … … 913 914 VISIT_START( node ); 914 915 915 if ( __visit_children() ) {916 VISIT( 916 917 maybe_accept( node, &SuspendStmt::then ); 917 }918 ) 918 919 919 920 VISIT_END( Stmt, node ); … … 933 934 // } 934 935 935 if ( __visit_children() ){936 VISIT({ 936 937 std::vector<WaitForStmt::Clause> new_clauses; 937 938 new_clauses.reserve( node->clauses.size() ); … … 964 965 node = n; 965 966 } 966 } 967 }) 967 968 968 969 #define maybe_accept(field) \ … … 976 977 } 977 978 978 if ( __visit_children() ) {979 VISIT( 979 980 maybe_accept( timeout.time ); 980 981 maybe_accept( timeout.stmt ); … … 982 983 maybe_accept( orElse.stmt ); 983 984 maybe_accept( orElse.cond ); 984 }985 ) 985 986 986 987 #undef maybe_accept … … 995 996 VISIT_START( node ); 996 997 997 if ( __visit_children() ) {998 VISIT( 998 999 maybe_accept( node, &WithStmt::exprs ); 999 1000 { … … 1003 1004 maybe_accept( node, &WithStmt::stmt ); 1004 1005 } 1005 } 1006 1006 ) 1007 1007 VISIT_END( Stmt, node ); 1008 1008 } … … 1022 1022 VISIT_START( node ); 1023 1023 1024 if ( __visit_children() ) {1024 VISIT( 1025 1025 maybe_accept( node, &DeclStmt::decl ); 1026 }1026 ) 1027 1027 1028 1028 VISIT_END( Stmt, node ); … … 1037 1037 // For now this isn't visited, it is unclear if this causes problem 1038 1038 // if all tests are known to pass, remove this code 1039 if ( __visit_children() ) {1039 VISIT( 1040 1040 maybe_accept( node, &ImplicitCtorDtorStmt::callStmt ); 1041 }1041 ) 1042 1042 1043 1043 VISIT_END( Stmt, node ); … … 1050 1050 VISIT_START( node ); 1051 1051 1052 if ( __visit_children() ){1052 VISIT({ 1053 1053 // mutex statements introduce a level of scope (for the initialization) 1054 1054 guard_symtab guard { *this }; 1055 1055 maybe_accept( node, &MutexStmt::stmt ); 1056 1056 maybe_accept( node, &MutexStmt::mutexObjs ); 1057 } 1057 }) 1058 1058 1059 1059 VISIT_END( Stmt, node ); … … 1066 1066 VISIT_START( node ); 1067 1067 1068 if ( __visit_children() ) {1068 VISIT( 1069 1069 { 1070 1070 guard_symtab guard { *this }; … … 1073 1073 maybe_accept( node, &ApplicationExpr::func ); 1074 1074 maybe_accept( node, &ApplicationExpr::args ); 1075 }1075 ) 1076 1076 1077 1077 VISIT_END( Expr, node ); … … 1084 1084 VISIT_START( node ); 1085 1085 1086 if ( __visit_children() ) {1086 VISIT( 1087 1087 { 1088 1088 guard_symtab guard { *this }; … … 1091 1091 1092 1092 maybe_accept( node, &UntypedExpr::args ); 1093 }1093 ) 1094 1094 1095 1095 VISIT_END( Expr, node ); … … 1102 1102 VISIT_START( node ); 1103 1103 1104 if ( __visit_children() ){1104 VISIT({ 1105 1105 guard_symtab guard { *this }; 1106 1106 maybe_accept( node, &NameExpr::result ); 1107 } 1107 }) 1108 1108 1109 1109 VISIT_END( Expr, node ); … … 1116 1116 VISIT_START( node ); 1117 1117 1118 if ( __visit_children() ) { 1119 { 1118 VISIT({ 1120 1119 guard_symtab guard { *this }; 1121 1120 maybe_accept( node, &CastExpr::result ); 1122 1121 } 1123 1122 maybe_accept( node, &CastExpr::arg ); 1124 }1123 ) 1125 1124 1126 1125 VISIT_END( Expr, node ); … … 1133 1132 VISIT_START( node ); 1134 1133 1135 if ( __visit_children() ) { 1136 { 1134 VISIT({ 1137 1135 guard_symtab guard { *this }; 1138 1136 maybe_accept( node, &KeywordCastExpr::result ); 1139 1137 } 1140 1138 maybe_accept( node, &KeywordCastExpr::arg ); 1141 }1139 ) 1142 1140 1143 1141 VISIT_END( Expr, node ); … … 1150 1148 VISIT_START( node ); 1151 1149 1152 if ( __visit_children() ) { 1153 { 1150 VISIT({ 1154 1151 guard_symtab guard { *this }; 1155 1152 maybe_accept( node, &VirtualCastExpr::result ); 1156 1153 } 1157 1154 maybe_accept( node, &VirtualCastExpr::arg ); 1158 }1155 ) 1159 1156 1160 1157 VISIT_END( Expr, node ); … … 1167 1164 VISIT_START( node ); 1168 1165 1169 if ( __visit_children() ) { 1170 { 1166 VISIT({ 1171 1167 guard_symtab guard { *this }; 1172 1168 maybe_accept( node, &AddressExpr::result ); 1173 1169 } 1174 1170 maybe_accept( node, &AddressExpr::arg ); 1175 }1171 ) 1176 1172 1177 1173 VISIT_END( Expr, node ); … … 1184 1180 VISIT_START( node ); 1185 1181 1186 if ( __visit_children() ){1182 VISIT({ 1187 1183 guard_symtab guard { *this }; 1188 1184 maybe_accept( node, &LabelAddressExpr::result ); 1189 } 1185 }) 1190 1186 1191 1187 VISIT_END( Expr, node ); … … 1198 1194 VISIT_START( node ); 1199 1195 1200 if ( __visit_children() ) { 1201 { 1196 VISIT({ 1202 1197 guard_symtab guard { *this }; 1203 1198 maybe_accept( node, &UntypedMemberExpr::result ); … … 1205 1200 maybe_accept( node, &UntypedMemberExpr::aggregate ); 1206 1201 maybe_accept( node, &UntypedMemberExpr::member ); 1207 }1202 ) 1208 1203 1209 1204 VISIT_END( Expr, node ); … … 1216 1211 VISIT_START( node ); 1217 1212 1218 if ( __visit_children() ) { 1219 { 1213 VISIT({ 1220 1214 guard_symtab guard { *this }; 1221 1215 maybe_accept( node, &MemberExpr::result ); 1222 1216 } 1223 1217 maybe_accept( node, &MemberExpr::aggregate ); 1224 }1218 ) 1225 1219 1226 1220 VISIT_END( Expr, node ); … … 1233 1227 VISIT_START( node ); 1234 1228 1235 if ( __visit_children() ){1229 VISIT({ 1236 1230 guard_symtab guard { *this }; 1237 1231 maybe_accept( node, &VariableExpr::result ); 1238 } 1232 }) 1239 1233 1240 1234 VISIT_END( Expr, node ); … … 1247 1241 VISIT_START( node ); 1248 1242 1249 if ( __visit_children() ){1243 VISIT({ 1250 1244 guard_symtab guard { *this }; 1251 1245 maybe_accept( node, &ConstantExpr::result ); 1252 } 1246 }) 1253 1247 1254 1248 VISIT_END( Expr, node ); … … 1261 1255 VISIT_START( node ); 1262 1256 1263 if ( __visit_children() ) { 1264 { 1257 VISIT({ 1265 1258 guard_symtab guard { *this }; 1266 1259 maybe_accept( node, &SizeofExpr::result ); … … 1271 1264 maybe_accept( node, &SizeofExpr::expr ); 1272 1265 } 1273 }1266 ) 1274 1267 1275 1268 VISIT_END( Expr, node ); … … 1282 1275 VISIT_START( node ); 1283 1276 1284 if ( __visit_children() ) { 1285 { 1277 VISIT({ 1286 1278 guard_symtab guard { *this }; 1287 1279 maybe_accept( node, &AlignofExpr::result ); … … 1292 1284 maybe_accept( node, &AlignofExpr::expr ); 1293 1285 } 1294 }1286 ) 1295 1287 1296 1288 VISIT_END( Expr, node ); … … 1303 1295 VISIT_START( node ); 1304 1296 1305 if ( __visit_children() ) { 1306 { 1297 VISIT({ 1307 1298 guard_symtab guard { *this }; 1308 1299 maybe_accept( node, &UntypedOffsetofExpr::result ); 1309 1300 } 1310 1301 maybe_accept( node, &UntypedOffsetofExpr::type ); 1311 }1302 ) 1312 1303 1313 1304 VISIT_END( Expr, node ); … … 1320 1311 VISIT_START( node ); 1321 1312 1322 if ( __visit_children() ) { 1323 { 1313 VISIT({ 1324 1314 guard_symtab guard { *this }; 1325 1315 maybe_accept( node, &OffsetofExpr::result ); 1326 1316 } 1327 1317 maybe_accept( node, &OffsetofExpr::type ); 1328 }1318 ) 1329 1319 1330 1320 VISIT_END( Expr, node ); … … 1337 1327 VISIT_START( node ); 1338 1328 1339 if ( __visit_children() ) { 1340 { 1329 VISIT({ 1341 1330 guard_symtab guard { *this }; 1342 1331 maybe_accept( node, &OffsetPackExpr::result ); 1343 1332 } 1344 1333 maybe_accept( node, &OffsetPackExpr::type ); 1345 }1334 ) 1346 1335 1347 1336 VISIT_END( Expr, node ); … … 1354 1343 VISIT_START( node ); 1355 1344 1356 if ( __visit_children() ) { 1357 { 1345 VISIT({ 1358 1346 guard_symtab guard { *this }; 1359 1347 maybe_accept( node, &LogicalExpr::result ); … … 1361 1349 maybe_accept( node, &LogicalExpr::arg1 ); 1362 1350 maybe_accept( node, &LogicalExpr::arg2 ); 1363 }1351 ) 1364 1352 1365 1353 VISIT_END( Expr, node ); … … 1372 1360 VISIT_START( node ); 1373 1361 1374 if ( __visit_children() ) { 1375 { 1362 VISIT({ 1376 1363 guard_symtab guard { *this }; 1377 1364 maybe_accept( node, &ConditionalExpr::result ); … … 1380 1367 maybe_accept( node, &ConditionalExpr::arg2 ); 1381 1368 maybe_accept( node, &ConditionalExpr::arg3 ); 1382 }1369 ) 1383 1370 1384 1371 VISIT_END( Expr, node ); … … 1391 1378 VISIT_START( node ); 1392 1379 1393 if ( __visit_children() ) { 1394 { 1380 VISIT({ 1395 1381 guard_symtab guard { *this }; 1396 1382 maybe_accept( node, &CommaExpr::result ); … … 1398 1384 maybe_accept( node, &CommaExpr::arg1 ); 1399 1385 maybe_accept( node, &CommaExpr::arg2 ); 1400 }1386 ) 1401 1387 1402 1388 VISIT_END( Expr, node ); … … 1409 1395 VISIT_START( node ); 1410 1396 1411 if ( __visit_children() ) { 1412 { 1397 VISIT({ 1413 1398 guard_symtab guard { *this }; 1414 1399 maybe_accept( node, &TypeExpr::result ); 1415 1400 } 1416 1401 maybe_accept( node, &TypeExpr::type ); 1417 }1402 ) 1418 1403 1419 1404 VISIT_END( Expr, node ); … … 1426 1411 VISIT_START( node ); 1427 1412 1428 if ( __visit_children() ) { 1429 { 1413 VISIT({ 1430 1414 guard_symtab guard { *this }; 1431 1415 maybe_accept( node, &AsmExpr::result ); … … 1433 1417 maybe_accept( node, &AsmExpr::constraint ); 1434 1418 maybe_accept( node, &AsmExpr::operand ); 1435 }1419 ) 1436 1420 1437 1421 VISIT_END( Expr, node ); … … 1444 1428 VISIT_START( node ); 1445 1429 1446 if ( __visit_children() ) { 1447 { 1430 VISIT({ 1448 1431 guard_symtab guard { *this }; 1449 1432 maybe_accept( node, &ImplicitCopyCtorExpr::result ); 1450 1433 } 1451 1434 maybe_accept( node, &ImplicitCopyCtorExpr::callExpr ); 1452 }1435 ) 1453 1436 1454 1437 VISIT_END( Expr, node ); … … 1461 1444 VISIT_START( node ); 1462 1445 1463 if ( __visit_children() ) { 1464 { 1446 VISIT({ 1465 1447 guard_symtab guard { *this }; 1466 1448 maybe_accept( node, &ConstructorExpr::result ); 1467 1449 } 1468 1450 maybe_accept( node, &ConstructorExpr::callExpr ); 1469 }1451 ) 1470 1452 1471 1453 VISIT_END( Expr, node ); … … 1478 1460 VISIT_START( node ); 1479 1461 1480 if ( __visit_children() ) { 1481 { 1462 VISIT({ 1482 1463 guard_symtab guard { *this }; 1483 1464 maybe_accept( node, &CompoundLiteralExpr::result ); 1484 1465 } 1485 1466 maybe_accept( node, &CompoundLiteralExpr::init ); 1486 }1467 ) 1487 1468 1488 1469 VISIT_END( Expr, node ); … … 1495 1476 VISIT_START( node ); 1496 1477 1497 if ( __visit_children() ) { 1498 { 1478 VISIT({ 1499 1479 guard_symtab guard { *this }; 1500 1480 maybe_accept( node, &RangeExpr::result ); … … 1502 1482 maybe_accept( node, &RangeExpr::low ); 1503 1483 maybe_accept( node, &RangeExpr::high ); 1504 }1484 ) 1505 1485 1506 1486 VISIT_END( Expr, node ); … … 1513 1493 VISIT_START( node ); 1514 1494 1515 if ( __visit_children() ) { 1516 { 1495 VISIT({ 1517 1496 guard_symtab guard { *this }; 1518 1497 maybe_accept( node, &UntypedTupleExpr::result ); 1519 1498 } 1520 1499 maybe_accept( node, &UntypedTupleExpr::exprs ); 1521 }1500 ) 1522 1501 1523 1502 VISIT_END( Expr, node ); … … 1530 1509 VISIT_START( node ); 1531 1510 1532 if ( __visit_children() ) { 1533 { 1511 VISIT({ 1534 1512 guard_symtab guard { *this }; 1535 1513 maybe_accept( node, &TupleExpr::result ); 1536 1514 } 1537 1515 maybe_accept( node, &TupleExpr::exprs ); 1538 }1516 ) 1539 1517 1540 1518 VISIT_END( Expr, node ); … … 1547 1525 VISIT_START( node ); 1548 1526 1549 if ( __visit_children() ) { 1550 { 1527 VISIT({ 1551 1528 guard_symtab guard { *this }; 1552 1529 maybe_accept( node, &TupleIndexExpr::result ); 1553 1530 } 1554 1531 maybe_accept( node, &TupleIndexExpr::tuple ); 1555 }1532 ) 1556 1533 1557 1534 VISIT_END( Expr, node ); … … 1564 1541 VISIT_START( node ); 1565 1542 1566 if ( __visit_children() ) { 1567 { 1543 VISIT({ 1568 1544 guard_symtab guard { *this }; 1569 1545 maybe_accept( node, &TupleAssignExpr::result ); 1570 1546 } 1571 1547 maybe_accept( node, &TupleAssignExpr::stmtExpr ); 1572 }1548 ) 1573 1549 1574 1550 VISIT_END( Expr, node ); … … 1581 1557 VISIT_START( node ); 1582 1558 1583 if ( __visit_children() ) { 1584 // don't want statements from outer CompoundStmts to be added to this StmtExpr 1559 VISIT(// don't want statements from outer CompoundStmts to be added to this StmtExpr 1585 1560 // get the stmts that will need to be spliced in 1586 1561 auto stmts_before = __pass::stmtsToAddBefore( core, 0); … … 1599 1574 maybe_accept( node, &StmtExpr::returnDecls ); 1600 1575 maybe_accept( node, &StmtExpr::dtors ); 1601 }1576 ) 1602 1577 1603 1578 VISIT_END( Expr, node ); … … 1610 1585 VISIT_START( node ); 1611 1586 1612 if ( __visit_children() ) { 1613 { 1587 VISIT({ 1614 1588 guard_symtab guard { *this }; 1615 1589 maybe_accept( node, &UniqueExpr::result ); 1616 1590 } 1617 1591 maybe_accept( node, &UniqueExpr::expr ); 1618 }1592 ) 1619 1593 1620 1594 VISIT_END( Expr, node ); … … 1627 1601 VISIT_START( node ); 1628 1602 1629 if ( __visit_children() ) { 1630 { 1603 VISIT({ 1631 1604 guard_symtab guard { *this }; 1632 1605 maybe_accept( node, &UntypedInitExpr::result ); … … 1634 1607 maybe_accept( node, &UntypedInitExpr::expr ); 1635 1608 // not currently visiting initAlts, but this doesn't matter since this node is only used in the resolver. 1636 }1609 ) 1637 1610 1638 1611 VISIT_END( Expr, node ); … … 1645 1618 VISIT_START( node ); 1646 1619 1647 if ( __visit_children() ) { 1648 { 1620 VISIT({ 1649 1621 guard_symtab guard { *this }; 1650 1622 maybe_accept( node, &InitExpr::result ); … … 1652 1624 maybe_accept( node, &InitExpr::expr ); 1653 1625 maybe_accept( node, &InitExpr::designation ); 1654 }1626 ) 1655 1627 1656 1628 VISIT_END( Expr, node ); … … 1663 1635 VISIT_START( node ); 1664 1636 1665 if ( __visit_children() ) { 1666 { 1637 VISIT({ 1667 1638 guard_symtab guard { *this }; 1668 1639 maybe_accept( node, &DeletedExpr::result ); … … 1670 1641 maybe_accept( node, &DeletedExpr::expr ); 1671 1642 // don't visit deleteStmt, because it is a pointer to somewhere else in the tree. 1672 }1643 ) 1673 1644 1674 1645 VISIT_END( Expr, node ); … … 1681 1652 VISIT_START( node ); 1682 1653 1683 if ( __visit_children() ) { 1684 { 1654 VISIT({ 1685 1655 guard_symtab guard { *this }; 1686 1656 maybe_accept( node, &DefaultArgExpr::result ); 1687 1657 } 1688 1658 maybe_accept( node, &DefaultArgExpr::expr ); 1689 }1659 ) 1690 1660 1691 1661 VISIT_END( Expr, node ); … … 1698 1668 VISIT_START( node ); 1699 1669 1700 if ( __visit_children() ) { 1701 { 1670 VISIT({ 1702 1671 guard_symtab guard { *this }; 1703 1672 maybe_accept( node, &GenericExpr::result ); … … 1728 1697 node = n; 1729 1698 } 1730 }1699 ) 1731 1700 1732 1701 VISIT_END( Expr, node ); … … 1757 1726 VISIT_START( node ); 1758 1727 1759 if ( __visit_children() ) {1728 VISIT( 1760 1729 // xxx - should PointerType visit/mutate dimension? 1761 1730 maybe_accept( node, &PointerType::base ); 1762 }1731 ) 1763 1732 1764 1733 VISIT_END( Type, node ); … … 1771 1740 VISIT_START( node ); 1772 1741 1773 if ( __visit_children() ) {1742 VISIT( 1774 1743 maybe_accept( node, &ArrayType::dimension ); 1775 1744 maybe_accept( node, &ArrayType::base ); 1776 }1745 ) 1777 1746 1778 1747 VISIT_END( Type, node ); … … 1785 1754 VISIT_START( node ); 1786 1755 1787 if ( __visit_children() ) {1756 VISIT( 1788 1757 maybe_accept( node, &ReferenceType::base ); 1789 }1758 ) 1790 1759 1791 1760 VISIT_END( Type, node ); … … 1798 1767 VISIT_START( node ); 1799 1768 1800 if ( __visit_children() ) {1769 VISIT( 1801 1770 maybe_accept( node, &QualifiedType::parent ); 1802 1771 maybe_accept( node, &QualifiedType::child ); 1803 }1772 ) 1804 1773 1805 1774 VISIT_END( Type, node ); … … 1812 1781 VISIT_START( node ); 1813 1782 1814 if ( __visit_children() ){1783 VISIT({ 1815 1784 // guard_forall_subs forall_guard { *this, node }; 1816 1785 // mutate_forall( node ); … … 1818 1787 maybe_accept( node, &FunctionType::returns ); 1819 1788 maybe_accept( node, &FunctionType::params ); 1820 } 1789 }) 1821 1790 1822 1791 VISIT_END( Type, node ); … … 1831 1800 __pass::symtab::addStruct( core, 0, node->name ); 1832 1801 1833 if ( __visit_children() ){1802 VISIT({ 1834 1803 guard_symtab guard { *this }; 1835 1804 maybe_accept( node, &StructInstType::params ); 1836 } 1805 }) 1837 1806 1838 1807 VISIT_END( Type, node ); … … 1847 1816 __pass::symtab::addUnion( core, 0, node->name ); 1848 1817 1849 if ( __visit_children() ){1818 VISIT({ 1850 1819 guard_symtab guard { *this }; 1851 1820 maybe_accept( node, &UnionInstType::params ); 1852 } 1821 }) 1853 1822 1854 1823 VISIT_END( Type, node ); … … 1861 1830 VISIT_START( node ); 1862 1831 1863 if ( __visit_children() ){1832 VISIT({ 1864 1833 maybe_accept( node, &EnumInstType::params ); 1865 } 1834 }) 1866 1835 1867 1836 VISIT_END( Type, node ); … … 1874 1843 VISIT_START( node ); 1875 1844 1876 if ( __visit_children() ){1845 VISIT({ 1877 1846 maybe_accept( node, &TraitInstType::params ); 1878 } 1847 }) 1879 1848 1880 1849 VISIT_END( Type, node ); … … 1887 1856 VISIT_START( node ); 1888 1857 1889 if ( __visit_children() ) {1858 VISIT( 1890 1859 { 1891 1860 maybe_accept( node, &TypeInstType::params ); … … 1893 1862 // ensure that base re-bound if doing substitution 1894 1863 __pass::forall::replace( core, 0, node ); 1895 }1864 ) 1896 1865 1897 1866 VISIT_END( Type, node ); … … 1904 1873 VISIT_START( node ); 1905 1874 1906 if ( __visit_children() ) {1875 VISIT( 1907 1876 maybe_accept( node, &TupleType::types ); 1908 1877 maybe_accept( node, &TupleType::members ); 1909 }1878 ) 1910 1879 1911 1880 VISIT_END( Type, node ); … … 1918 1887 VISIT_START( node ); 1919 1888 1920 if ( __visit_children() ) {1889 VISIT( 1921 1890 maybe_accept( node, &TypeofType::expr ); 1922 }1891 ) 1923 1892 1924 1893 VISIT_END( Type, node ); … … 1931 1900 VISIT_START( node ); 1932 1901 1933 if ( __visit_children() ) {1902 VISIT( 1934 1903 maybe_accept( node, &VTableType::base ); 1935 }1904 ) 1936 1905 1937 1906 VISIT_END( Type, node ); … … 1981 1950 VISIT_START( node ); 1982 1951 1983 if ( __visit_children() ) { 1984 maybe_accept( node, &Designation::designators ); 1985 } 1952 VISIT( maybe_accept( node, &Designation::designators ); ) 1986 1953 1987 1954 VISIT_END( Designation, node ); … … 1994 1961 VISIT_START( node ); 1995 1962 1996 if ( __visit_children() ) {1963 VISIT( 1997 1964 maybe_accept( node, &SingleInit::value ); 1998 }1965 ) 1999 1966 2000 1967 VISIT_END( Init, node ); … … 2007 1974 VISIT_START( node ); 2008 1975 2009 if ( __visit_children() ) {1976 VISIT( 2010 1977 maybe_accept( node, &ListInit::designations ); 2011 1978 maybe_accept( node, &ListInit::initializers ); 2012 }1979 ) 2013 1980 2014 1981 VISIT_END( Init, node ); … … 2021 1988 VISIT_START( node ); 2022 1989 2023 if ( __visit_children() ) {1990 VISIT( 2024 1991 maybe_accept( node, &ConstructorInit::ctor ); 2025 1992 maybe_accept( node, &ConstructorInit::dtor ); 2026 1993 maybe_accept( node, &ConstructorInit::init ); 2027 }1994 ) 2028 1995 2029 1996 VISIT_END( Init, node ); … … 2036 2003 VISIT_START( node ); 2037 2004 2038 if ( __visit_children() ) {2005 VISIT( 2039 2006 maybe_accept( node, &Attribute::params ); 2040 }2007 ) 2041 2008 2042 2009 VISIT_END( Attribute, node ); … … 2049 2016 VISIT_START( node ); 2050 2017 2051 if ( __visit_children() ) {2018 VISIT( 2052 2019 { 2053 2020 bool mutated = false; … … 2065 2032 } 2066 2033 } 2067 }2034 ) 2068 2035 2069 2036 VISIT_END( TypeSubstitution, node ); … … 2071 2038 2072 2039 #undef VISIT_START 2040 #undef VISIT 2073 2041 #undef VISIT_END -
src/AST/Stmt.hpp
r376c632a rf681823 9 9 // Author : Aaron B. Moss 10 10 // Created On : Wed May 8 13:00:00 2019 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:38:53 202213 // Update Count : 1211 // Last Modified By : Andrew Beach 12 // Last Modified On : Fri May 17 12:45:00 2019 13 // Update Count : 5 14 14 // 15 15 … … 17 17 18 18 #include <list> 19 #include <utility> // for move19 #include <utility> // for move 20 20 #include <vector> 21 21 22 22 #include "Label.hpp" 23 #include "Node.hpp" // for node, ptr23 #include "Node.hpp" // for node, ptr 24 24 #include "ParseNode.hpp" 25 25 #include "Visitor.hpp" … … 27 27 28 28 // Must be included in *all* AST classes; should be #undef'd at the end of the file 29 #define MUTATE_FRIEND \29 #define MUTATE_FRIEND \ 30 30 template<typename node_t> friend node_t * mutate(const node_t * node); \ 31 31 template<typename node_t> friend node_t * shallowCopy(const node_t * node); 32 32 33 33 namespace ast { 34 34 35 class Expr; 35 36 36 // Base statement node37 /// Base statement node 37 38 class Stmt : public ParseNode { 38 public:39 public: 39 40 std::vector<Label> labels; 40 41 41 42 Stmt( const CodeLocation & loc, std::vector<Label> && labels = {} ) 42 : ParseNode(loc), labels(std::move(labels)) {}43 : ParseNode(loc), labels(std::move(labels)) {} 43 44 44 45 Stmt(const Stmt& o) : ParseNode(o), labels(o.labels) {} 45 46 46 47 const Stmt * accept( Visitor & v ) const override = 0; 47 private:48 private: 48 49 Stmt * clone() const override = 0; 49 50 MUTATE_FRIEND 50 51 }; 51 52 52 // Compound statement: { ... }53 /// Compound statement `{ ... }` 53 54 class CompoundStmt final : public Stmt { 54 public:55 public: 55 56 std::list<ptr<Stmt>> kids; 56 57 57 58 CompoundStmt(const CodeLocation & loc, std::list<ptr<Stmt>> && ks = {}, 58 std::vector<Label>&& labels = {} )59 : Stmt(loc, std::move(labels)), kids(std::move(ks)) {}59 std::vector<Label>&& labels = {} ) 60 : Stmt(loc, std::move(labels)), kids(std::move(ks)) {} 60 61 61 62 CompoundStmt( const CompoundStmt& o ); … … 66 67 67 68 const CompoundStmt * accept( Visitor & v ) const override { return v.visit( this ); } 68 private:69 private: 69 70 CompoundStmt * clone() const override { return new CompoundStmt{ *this }; } 70 71 MUTATE_FRIEND 71 72 }; 72 73 73 // Empty statment: ;74 /// Empty statment `;` 74 75 class NullStmt final : public Stmt { 75 public:76 public: 76 77 NullStmt( const CodeLocation & loc, std::vector<Label> && labels = {} ) 77 : Stmt(loc, std::move(labels)) {}78 : Stmt(loc, std::move(labels)) {} 78 79 79 80 const NullStmt * accept( Visitor & v ) const override { return v.visit( this ); } 80 private:81 private: 81 82 NullStmt * clone() const override { return new NullStmt{ *this }; } 82 83 MUTATE_FRIEND 83 84 }; 84 85 85 // Expression wrapped by statement86 /// Expression wrapped by statement 86 87 class ExprStmt final : public Stmt { 87 public:88 public: 88 89 ptr<Expr> expr; 89 90 90 91 ExprStmt( const CodeLocation& loc, const Expr* e, std::vector<Label>&& labels = {} ) 91 : Stmt(loc, std::move(labels)), expr(e) {}92 93 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 94 private:92 : Stmt(loc, std::move(labels)), expr(e) {} 93 94 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 95 private: 95 96 ExprStmt * clone() const override { return new ExprStmt{ *this }; } 96 97 MUTATE_FRIEND 97 98 }; 98 99 99 // Assembly statement: asm ... ( "..." : ... )100 /// Assembly statement `asm ... ( "..." : ... )` 100 101 class AsmStmt final : public Stmt { 101 public:102 public: 102 103 bool isVolatile; 103 104 ptr<Expr> instruction; … … 107 108 108 109 AsmStmt( const CodeLocation & loc, bool isVolatile, const Expr * instruction, 109 std::vector<ptr<Expr>> && output, std::vector<ptr<Expr>> && input,110 std::vector<ptr<ConstantExpr>> && clobber, std::vector<Label> && gotoLabels,111 std::vector<Label> && labels = {})112 : Stmt(loc, std::move(labels)), isVolatile(isVolatile), instruction(instruction),113 output(std::move(output)), input(std::move(input)), clobber(std::move(clobber)),114 gotoLabels(std::move(gotoLabels)) {}115 116 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 117 private:110 std::vector<ptr<Expr>> && output, std::vector<ptr<Expr>> && input, 111 std::vector<ptr<ConstantExpr>> && clobber, std::vector<Label> && gotoLabels, 112 std::vector<Label> && labels = {}) 113 : Stmt(loc, std::move(labels)), isVolatile(isVolatile), instruction(instruction), 114 output(std::move(output)), input(std::move(input)), clobber(std::move(clobber)), 115 gotoLabels(std::move(gotoLabels)) {} 116 117 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 118 private: 118 119 AsmStmt * clone() const override { return new AsmStmt{ *this }; } 119 120 MUTATE_FRIEND 120 121 }; 121 122 122 // C-preprocessor directive: #...123 /// C-preprocessor directive `#...` 123 124 class DirectiveStmt final : public Stmt { 124 public:125 public: 125 126 std::string directive; 126 127 127 128 DirectiveStmt( const CodeLocation & loc, const std::string & directive, 128 std::vector<Label> && labels = {} )129 : Stmt(loc, std::move(labels)), directive(directive) {}130 131 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 132 private:129 std::vector<Label> && labels = {} ) 130 : Stmt(loc, std::move(labels)), directive(directive) {} 131 132 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 133 private: 133 134 DirectiveStmt * clone() const override { return new DirectiveStmt{ *this }; } 134 135 MUTATE_FRIEND 135 136 }; 136 137 137 // If statement: if (...) ... else ...138 /// If conditional statement `if (...) ... else ...` 138 139 class IfStmt final : public Stmt { 139 public:140 public: 140 141 ptr<Expr> cond; 141 142 ptr<Stmt> thenPart; … … 144 145 145 146 IfStmt( const CodeLocation & loc, const Expr * cond, const Stmt * thenPart, 146 const Stmt * elsePart = nullptr, std::vector<ptr<Stmt>> && inits = {},147 std::vector<Label> && labels = {} )148 : Stmt(loc, std::move(labels)), cond(cond), thenPart(thenPart), elsePart(elsePart),149 inits(std::move(inits)) {}150 151 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 152 private:147 const Stmt * elsePart = nullptr, std::vector<ptr<Stmt>> && inits = {}, 148 std::vector<Label> && labels = {} ) 149 : Stmt(loc, std::move(labels)), cond(cond), thenPart(thenPart), elsePart(elsePart), 150 inits(std::move(inits)) {} 151 152 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 153 private: 153 154 IfStmt * clone() const override { return new IfStmt{ *this }; } 154 155 MUTATE_FRIEND 155 156 }; 156 157 157 // Switch or choose statement: switch (...) { ... }158 /// Switch or choose conditional statement `switch (...) { ... }` 158 159 class SwitchStmt final : public Stmt { 159 public:160 public: 160 161 ptr<Expr> cond; 161 162 std::vector<ptr<Stmt>> stmts; 162 163 163 164 SwitchStmt( const CodeLocation & loc, const Expr * cond, std::vector<ptr<Stmt>> && stmts, 164 std::vector<Label> && labels = {} )165 : Stmt(loc, std::move(labels)), cond(cond), stmts(std::move(stmts)) {}166 167 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 168 private:165 std::vector<Label> && labels = {} ) 166 : Stmt(loc, std::move(labels)), cond(cond), stmts(std::move(stmts)) {} 167 168 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 169 private: 169 170 SwitchStmt * clone() const override { return new SwitchStmt{ *this }; } 170 171 MUTATE_FRIEND 171 172 }; 172 173 173 // Case label: case ...: or default:174 /// Case label `case ...:` `default:` 174 175 class CaseStmt final : public Stmt { 175 public:176 // Null for the default label.176 public: 177 /// Null for the default label. 177 178 ptr<Expr> cond; 178 179 std::vector<ptr<Stmt>> stmts; 179 180 180 181 CaseStmt( const CodeLocation & loc, const Expr * cond, std::vector<ptr<Stmt>> && stmts, 181 std::vector<Label> && labels = {} )182 : Stmt(loc, std::move(labels)), cond(cond), stmts(std::move(stmts)) {}182 std::vector<Label> && labels = {} ) 183 : Stmt(loc, std::move(labels)), cond(cond), stmts(std::move(stmts)) {} 183 184 184 185 bool isDefault() const { return !cond; } 185 186 186 187 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 187 private:188 private: 188 189 CaseStmt * clone() const override { return new CaseStmt{ *this }; } 189 190 MUTATE_FRIEND 190 191 }; 191 192 192 // While loop: while (...) ... else ... or do ... while (...) else ...;193 /// While loop `while (...) ...` `do ... while (...); 193 194 class WhileStmt final : public Stmt { 194 public:195 public: 195 196 ptr<Expr> cond; 196 197 ptr<Stmt> body; 197 ptr<Stmt> elsePart;198 198 std::vector<ptr<Stmt>> inits; 199 199 bool isDoWhile; 200 200 201 201 WhileStmt( const CodeLocation & loc, const Expr * cond, const Stmt * body, 202 std::vector<ptr<Stmt>> && inits, bool isDoWhile = false, std::vector<Label> && labels = {} ) 203 : Stmt(loc, std::move(labels)), cond(cond), body(body), inits(std::move(inits)), isDoWhile(isDoWhile) {} 204 205 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 206 private: 202 std::vector<ptr<Stmt>> && inits, bool isDoWhile = false, std::vector<Label> && labels = {} ) 203 : Stmt(loc, std::move(labels)), cond(cond), body(body), inits(std::move(inits)), 204 isDoWhile(isDoWhile) {} 205 206 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 207 private: 207 208 WhileStmt * clone() const override { return new WhileStmt{ *this }; } 208 209 MUTATE_FRIEND 209 210 }; 210 211 211 // For loop: for (... ; ... ; ...) ... else ...212 /// For loop `for (... ; ... ; ...) ...` 212 213 class ForStmt final : public Stmt { 213 public:214 public: 214 215 std::vector<ptr<Stmt>> inits; 215 216 ptr<Expr> cond; 216 217 ptr<Expr> inc; 217 218 ptr<Stmt> body; 218 ptr<Stmt> elsePart;219 219 220 220 ForStmt( const CodeLocation & loc, std::vector<ptr<Stmt>> && inits, const Expr * cond, 221 const Expr * inc, const Stmt * body, std::vector<Label> && labels = {} ) 222 : Stmt(loc, std::move(labels)), inits(std::move(inits)), cond(cond), inc(inc), body(body) {} 223 224 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 225 private: 221 const Expr * inc, const Stmt * body, std::vector<Label> && labels = {} ) 222 : Stmt(loc, std::move(labels)), inits(std::move(inits)), cond(cond), inc(inc), 223 body(body) {} 224 225 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 226 private: 226 227 ForStmt * clone() const override { return new ForStmt{ *this }; } 227 228 MUTATE_FRIEND 228 229 }; 229 230 230 // Branch control flow statement: goto ... or break or continue or fallthru231 /// Branch control flow statement `goto ...` `break` `continue` `fallthru` 231 232 class BranchStmt final : public Stmt { 232 public:233 public: 233 234 enum Kind { Goto, Break, Continue, FallThrough, FallThroughDefault }; 234 235 static constexpr size_t kindEnd = 1 + (size_t)FallThroughDefault; … … 240 241 241 242 BranchStmt( const CodeLocation & loc, Kind kind, Label target, 242 std::vector<Label> && labels = {} );243 std::vector<Label> && labels = {} ); 243 244 BranchStmt( const CodeLocation & loc, const Expr * computedTarget, 244 std::vector<Label> && labels = {} )245 : Stmt(loc, std::move(labels)), originalTarget(loc), target(loc),246 computedTarget(computedTarget), kind(Goto) {}245 std::vector<Label> && labels = {} ) 246 : Stmt(loc, std::move(labels)), originalTarget(loc), target(loc), 247 computedTarget(computedTarget), kind(Goto) {} 247 248 248 249 const char * kindName() const { return kindNames[kind]; } 249 250 250 251 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 251 private:252 private: 252 253 BranchStmt * clone() const override { return new BranchStmt{ *this }; } 253 254 MUTATE_FRIEND … … 256 257 }; 257 258 258 // Return statement: return ...259 /// Return statement `return ...` 259 260 class ReturnStmt final : public Stmt { 260 public:261 public: 261 262 ptr<Expr> expr; 262 263 263 264 ReturnStmt( const CodeLocation & loc, const Expr * expr, std::vector<Label> && labels = {} ) 264 : Stmt(loc, std::move(labels)), expr(expr) {}265 266 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 267 private:265 : Stmt(loc, std::move(labels)), expr(expr) {} 266 267 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 268 private: 268 269 ReturnStmt * clone() const override { return new ReturnStmt{ *this }; } 269 270 MUTATE_FRIEND 270 271 }; 271 272 272 // Kind of exception273 /// Kind of exception 273 274 enum ExceptionKind { Terminate, Resume }; 274 275 275 // Throw statement: throw ...276 /// Throw statement `throw ...` 276 277 class ThrowStmt final : public Stmt { 277 public:278 public: 278 279 ptr<Expr> expr; 279 280 ptr<Expr> target; … … 283 284 const CodeLocation & loc, ExceptionKind kind, const Expr * expr, const Expr * target, 284 285 std::vector<Label> && labels = {} ) 285 : Stmt(loc, std::move(labels)), expr(expr), target(target), kind(kind) {}286 287 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 288 private:286 : Stmt(loc, std::move(labels)), expr(expr), target(target), kind(kind) {} 287 288 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 289 private: 289 290 ThrowStmt * clone() const override { return new ThrowStmt{ *this }; } 290 291 MUTATE_FRIEND 291 292 }; 292 293 293 // Try statement: try { ... } ...294 /// Try statement `try { ... } ...` 294 295 class TryStmt final : public Stmt { 295 public:296 public: 296 297 ptr<CompoundStmt> body; 297 298 std::vector<ptr<CatchStmt>> handlers; … … 302 303 std::vector<ptr<CatchStmt>> && handlers, const FinallyStmt * finally, 303 304 std::vector<Label> && labels = {} ) 304 : Stmt(loc, std::move(labels)), body(body), handlers(std::move(handlers)), finally(finally) {}305 306 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 307 private:305 : Stmt(loc, std::move(labels)), body(body), handlers(std::move(handlers)), finally(finally) {} 306 307 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 308 private: 308 309 TryStmt * clone() const override { return new TryStmt{ *this }; } 309 310 MUTATE_FRIEND 310 311 }; 311 312 312 // Catch clause of try statement313 /// Catch clause of try statement 313 314 class CatchStmt final : public Stmt { 314 public:315 public: 315 316 ptr<Decl> decl; 316 317 ptr<Expr> cond; … … 321 322 const CodeLocation & loc, ExceptionKind kind, const Decl * decl, const Expr * cond, 322 323 const Stmt * body, std::vector<Label> && labels = {} ) 323 : Stmt(loc, std::move(labels)), decl(decl), cond(cond), body(body), kind(kind) {}324 325 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 326 private:324 : Stmt(loc, std::move(labels)), decl(decl), cond(cond), body(body), kind(kind) {} 325 326 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 327 private: 327 328 CatchStmt * clone() const override { return new CatchStmt{ *this }; } 328 329 MUTATE_FRIEND 329 330 }; 330 331 331 // Finally clause of try statement332 /// Finally clause of try statement 332 333 class FinallyStmt final : public Stmt { 333 public:334 public: 334 335 ptr<CompoundStmt> body; 335 336 336 337 FinallyStmt( const CodeLocation & loc, const CompoundStmt * body, 337 std::vector<Label> && labels = {} )338 : Stmt(loc, std::move(labels)), body(body) {}339 340 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 341 private:338 std::vector<Label> && labels = {} ) 339 : Stmt(loc, std::move(labels)), body(body) {} 340 341 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 342 private: 342 343 FinallyStmt * clone() const override { return new FinallyStmt{ *this }; } 343 344 MUTATE_FRIEND 344 345 }; 345 346 346 // Suspend statement347 /// Suspend statement 347 348 class SuspendStmt final : public Stmt { 348 public:349 public: 349 350 ptr<CompoundStmt> then; 350 351 enum Type { None, Coroutine, Generator } type = None; 351 352 352 353 SuspendStmt( const CodeLocation & loc, const CompoundStmt * then, Type type, std::vector<Label> && labels = {} ) 353 : Stmt(loc, std::move(labels)), then(then), type(type) {}354 355 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 356 private:354 : Stmt(loc, std::move(labels)), then(then), type(type) {} 355 356 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 357 private: 357 358 SuspendStmt * clone() const override { return new SuspendStmt{ *this }; } 358 359 MUTATE_FRIEND 359 360 }; 360 361 361 // Waitfor statement: when (...) waitfor (... , ...) ... timeout(...) ... else ...362 /// Wait for concurrency statement `when (...) waitfor (... , ...) ... timeout(...) ... else ...` 362 363 class WaitForStmt final : public Stmt { 363 public:364 public: 364 365 struct Target { 365 366 ptr<Expr> func; … … 389 390 390 391 WaitForStmt( const CodeLocation & loc, std::vector<Label> && labels = {} ) 391 : Stmt(loc, std::move(labels)) {}392 393 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 394 private:392 : Stmt(loc, std::move(labels)) {} 393 394 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 395 private: 395 396 WaitForStmt * clone() const override { return new WaitForStmt{ *this }; } 396 397 MUTATE_FRIEND 397 398 }; 398 399 399 // Any declaration in a (compound) statement.400 /// Any declaration in a (compound) statement. 400 401 class DeclStmt final : public Stmt { 401 public:402 public: 402 403 ptr<Decl> decl; 403 404 404 405 DeclStmt( const CodeLocation & loc, const Decl * decl, std::vector<Label> && labels = {} ) 405 : Stmt(loc, std::move(labels)), decl(decl) {}406 407 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 408 private:406 : Stmt(loc, std::move(labels)), decl(decl) {} 407 408 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 409 private: 409 410 DeclStmt * clone() const override { return new DeclStmt{ *this }; } 410 411 MUTATE_FRIEND 411 412 }; 412 413 413 // Represents an implicit application of a constructor or destructor.414 /// Represents an implicit application of a constructor or destructor. 414 415 class ImplicitCtorDtorStmt final : public Stmt { 415 public:416 public: 416 417 ptr<Stmt> callStmt; 417 418 418 419 ImplicitCtorDtorStmt( const CodeLocation & loc, const Stmt * callStmt, 419 std::vector<Label> && labels = {} )420 : Stmt(loc, std::move(labels)), callStmt(callStmt) {}421 422 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 423 private:420 std::vector<Label> && labels = {} ) 421 : Stmt(loc, std::move(labels)), callStmt(callStmt) {} 422 423 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 424 private: 424 425 ImplicitCtorDtorStmt * clone() const override { return new ImplicitCtorDtorStmt{ *this }; } 425 426 MUTATE_FRIEND 426 427 }; 427 428 428 // Mutex Statement429 /// Mutex Statement 429 430 class MutexStmt final : public Stmt { 430 public:431 public: 431 432 ptr<Stmt> stmt; 432 433 std::vector<ptr<Expr>> mutexObjs; 433 434 434 435 MutexStmt( const CodeLocation & loc, const Stmt * stmt, 435 std::vector<ptr<Expr>> && mutexes, std::vector<Label> && labels = {} )436 : Stmt(loc, std::move(labels)), stmt(stmt), mutexObjs(std::move(mutexes)) {}437 438 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 439 private:436 std::vector<ptr<Expr>> && mutexes, std::vector<Label> && labels = {} ) 437 : Stmt(loc, std::move(labels)), stmt(stmt), mutexObjs(std::move(mutexes)) {} 438 439 const Stmt * accept( Visitor & v ) const override { return v.visit( this ); } 440 private: 440 441 MutexStmt * clone() const override { return new MutexStmt{ *this }; } 441 442 MUTATE_FRIEND 442 443 }; 443 } // namespace ast 444 445 } 444 446 445 447 #undef MUTATE_FRIEND 446 448 447 449 // Local Variables: // 450 // tab-width: 4 // 448 451 // mode: c++ // 452 // compile-command: "make install" // 449 453 // End: // -
src/ControlStruct/ExceptTranslateNew.cpp
r376c632a rf681823 9 9 // Author : Andrew Beach 10 10 // Created On : Mon Nov 8 11:53:00 2021 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 18:49:58 202213 // Update Count : 111 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 16:50:00 2021 13 // Update Count : 0 14 14 // 15 15 … … 22 22 23 23 namespace ControlStruct { 24 25 namespace { 24 26 25 27 class TranslateThrowsCore : public ast::WithGuards { … … 126 128 } 127 129 130 } // namespace 131 128 132 void translateThrows( ast::TranslationUnit & transUnit ) { 129 133 ast::Pass<TranslateThrowsCore>::run( transUnit ); -
src/ControlStruct/FixLabels.cpp
r376c632a rf681823 9 9 // Author : Andrew Beach 10 10 // Created On : Mon Nov 1 09:39:00 2021 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:19:17 202213 // Update Count : 911 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 10:53:00 2021 13 // Update Count : 3 14 14 // 15 15 … … 20 20 #include "AST/Stmt.hpp" 21 21 #include "ControlStruct/MultiLevelExit.hpp" 22 using namespace ast;23 22 24 23 namespace ControlStruct { 25 class FixLabelsCore final : public WithGuards { 24 25 namespace { 26 27 class FixLabelsCore final : public ast::WithGuards { 26 28 LabelToStmt labelTable; 27 public:29 public: 28 30 FixLabelsCore() : labelTable() {} 29 31 30 void previsit( const FunctionDecl * );31 const FunctionDecl * postvisit( constFunctionDecl * );32 void previsit( const Stmt * );33 void previsit( const BranchStmt * );34 void previsit( const LabelAddressExpr * );32 void previsit( const ast::FunctionDecl * ); 33 const ast::FunctionDecl * postvisit( const ast::FunctionDecl * ); 34 void previsit( const ast::Stmt * ); 35 void previsit( const ast::BranchStmt * ); 36 void previsit( const ast::LabelAddressExpr * ); 35 37 36 void setLabelsDef( const std::vector< Label> &, constStmt * );37 void setLabelsUsage( const Label & );38 void setLabelsDef( const std::vector<ast::Label> &, const ast::Stmt * ); 39 void setLabelsUsage( const ast::Label & ); 38 40 }; 39 41 40 void FixLabelsCore::previsit( const FunctionDecl * ) {42 void FixLabelsCore::previsit( const ast::FunctionDecl * ) { 41 43 GuardValue( labelTable ).clear(); 42 44 } 43 45 44 const FunctionDecl * FixLabelsCore::postvisit(45 constFunctionDecl * decl ) {46 const ast::FunctionDecl * FixLabelsCore::postvisit( 47 const ast::FunctionDecl * decl ) { 46 48 if ( nullptr == decl->stmts ) return decl; 47 49 for ( auto kvp : labelTable ) { 48 50 if ( nullptr == kvp.second ) { 49 51 SemanticError( kvp.first.location, 50 "Use of undefined label: " + kvp.first.name );52 "Use of undefined label: " + kvp.first.name ); 51 53 } 52 54 } 53 return mutate_field( decl, &FunctionDecl::stmts,54 multiLevelExitUpdate( decl->stmts.get(), labelTable ) );55 return ast::mutate_field( decl, &ast::FunctionDecl::stmts, 56 multiLevelExitUpdate( decl->stmts.get(), labelTable ) ); 55 57 } 56 58 57 void FixLabelsCore::previsit( const Stmt * stmt ) {59 void FixLabelsCore::previsit( const ast::Stmt * stmt ) { 58 60 if ( !stmt->labels.empty() ) { 59 61 setLabelsDef( stmt->labels, stmt ); … … 61 63 } 62 64 63 void FixLabelsCore::previsit( const BranchStmt * stmt ) {65 void FixLabelsCore::previsit( const ast::BranchStmt * stmt ) { 64 66 if ( !stmt->labels.empty() ) { 65 67 setLabelsDef( stmt->labels, stmt ); … … 70 72 } 71 73 72 void FixLabelsCore::previsit( const LabelAddressExpr * expr ) {74 void FixLabelsCore::previsit( const ast::LabelAddressExpr * expr ) { 73 75 assert( !expr->arg.empty() ); 74 76 setLabelsUsage( expr->arg ); … … 76 78 77 79 void FixLabelsCore::setLabelsDef( 78 const std::vector<Label> & labels, constStmt * stmt ) {80 const std::vector<ast::Label> & labels, const ast::Stmt * stmt ) { 79 81 assert( !labels.empty() ); 80 82 assert( stmt ); … … 87 89 // Duplicate definition, this is an error. 88 90 SemanticError( label.location, 89 "Duplicate definition of label: " + label.name );91 "Duplicate definition of label: " + label.name ); 90 92 } else { 91 93 // Perviously used, but not defined until now. … … 96 98 97 99 // Label was used, if it is new add it to the table. 98 void FixLabelsCore::setLabelsUsage( const Label & label ) {100 void FixLabelsCore::setLabelsUsage( const ast::Label & label ) { 99 101 if ( labelTable.find( label ) == labelTable.end() ) { 100 102 labelTable[ label ] = nullptr; … … 102 104 } 103 105 104 void fixLabels( TranslationUnit & translationUnit ) { 105 Pass<FixLabelsCore>::run( translationUnit ); 106 } // namespace 107 108 void fixLabels( ast::TranslationUnit & translationUnit ) { 109 ast::Pass<FixLabelsCore>::run( translationUnit ); 106 110 } 111 107 112 } // namespace ControlStruct 108 113 -
src/ControlStruct/FixLabels.hpp
r376c632a rf681823 9 9 // Author : Andrew Beach 10 10 // Created On : Mon Nov 1 09:36:00 2021 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:18:43 202213 // Update Count : 211 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 1 09:40:00 2021 13 // Update Count : 0 14 14 // 15 15 … … 17 17 18 18 namespace ast { 19 class TranslationUnit;19 class TranslationUnit; 20 20 } 21 21 22 22 namespace ControlStruct { 23 // normalizes label definitions and generates multi-level exit labels 23 24 /// normalizes label definitions and generates multi-level exit labels 24 25 void fixLabels( ast::TranslationUnit & translationUnit ); 26 25 27 } 26 28 -
src/ControlStruct/ForExprMutator.h
r376c632a rf681823 10 10 // Created On : Mon May 18 07:44:20 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sun Jan 30 09:14:46 202213 // Update Count : 612 // Last Modified On : Thu Aug 17 15:32:48 2017 13 // Update Count : 5 14 14 // 15 15 … … 24 24 class ForExprMutator { 25 25 public: 26 Statement * postmutate( IfStmt * );27 Statement * postmutate( ForStmt * );28 Statement * postmutate( WhileStmt * );26 Statement *postmutate( IfStmt * ); 27 Statement *postmutate( ForStmt * ); 28 Statement *postmutate( WhileStmt * ); 29 29 }; 30 30 } // namespace ControlStruct -
src/ControlStruct/LabelFixer.cc
r376c632a rf681823 9 9 // Author : Rodolfo G. Esteves 10 10 // Created On : Mon May 18 07:44:20 2015 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:28:31 202213 // Update Count : 16 111 // Last Modified By : Andrew Beach 12 // Last Modified On : Tue Jan 21 10:32:00 2020 13 // Update Count : 160 14 14 // 15 15 … … 27 27 28 28 namespace ControlStruct { 29 bool LabelFixer::Entry::insideLoop() {30 return ( dynamic_cast< ForStmt * > ( definition ) ||31 dynamic_cast< WhileStmt * > ( definition ) );32 }29 bool LabelFixer::Entry::insideLoop() { 30 return ( dynamic_cast< ForStmt * > ( definition ) || 31 dynamic_cast< WhileStmt * > ( definition ) ); 32 } 33 33 34 LabelFixer::LabelFixer( LabelGenerator * gen ) : generator ( gen ) {35 if ( generator == 0 )36 generator = LabelGenerator::getGenerator();37 }34 LabelFixer::LabelFixer( LabelGenerator * gen ) : generator ( gen ) { 35 if ( generator == 0 ) 36 generator = LabelGenerator::getGenerator(); 37 } 38 38 39 void LabelFixer::previsit( FunctionDecl * ) {40 // need to go into a nested function in a fresh state41 GuardValue( labelTable );42 labelTable.clear();43 }39 void LabelFixer::previsit( FunctionDecl * ) { 40 // need to go into a nested function in a fresh state 41 GuardValue( labelTable ); 42 labelTable.clear(); 43 } 44 44 45 void LabelFixer::postvisit( FunctionDecl * functionDecl ) {46 PassVisitor<MultiLevelExitMutator> mlem( resolveJumps(), generator );47 // We start in the body so we can stop when we hit another FunctionDecl.48 maybeMutate( functionDecl->statements, mlem );49 }45 void LabelFixer::postvisit( FunctionDecl * functionDecl ) { 46 PassVisitor<MultiLevelExitMutator> mlem( resolveJumps(), generator ); 47 // We start in the body so we can stop when we hit another FunctionDecl. 48 maybeMutate( functionDecl->statements, mlem ); 49 } 50 50 51 // prune to at most one label definition for each statement52 void LabelFixer::previsit( Statement * stmt ) {53 std::list< Label > &labels = stmt->get_labels();51 // prune to at most one label definition for each statement 52 void LabelFixer::previsit( Statement * stmt ) { 53 std::list< Label > &labels = stmt->get_labels(); 54 54 55 if ( ! labels.empty() ) {56 // only remember one label for each statement57 Label current = setLabelsDef( labels, stmt );58 } // if59 }55 if ( ! labels.empty() ) { 56 // only remember one label for each statement 57 Label current = setLabelsDef( labels, stmt ); 58 } // if 59 } 60 60 61 void LabelFixer::previsit( BranchStmt * branchStmt ) {62 previsit( ( Statement *)branchStmt );61 void LabelFixer::previsit( BranchStmt * branchStmt ) { 62 previsit( ( Statement *)branchStmt ); 63 63 64 // for labeled branches, add an entry to the label table 65 Label target = branchStmt->get_target(); 66 if ( target != "" ) { 67 setLabelsUsg( target, branchStmt ); 64 // for labeled branches, add an entry to the label table 65 Label target = branchStmt->get_target(); 66 if ( target != "" ) { 67 setLabelsUsg( target, branchStmt ); 68 } 68 69 } 69 }70 70 71 void LabelFixer::previsit( LabelAddressExpr * addrExpr ) {72 Label & target = addrExpr->arg;73 assert( target != "" );74 setLabelsUsg( target, addrExpr );75 }71 void LabelFixer::previsit( LabelAddressExpr * addrExpr ) { 72 Label & target = addrExpr->arg; 73 assert( target != "" ); 74 setLabelsUsg( target, addrExpr ); 75 } 76 76 77 77 78 // Sets the definition of the labelTable entry to be the provided statement for every label in79 // the list parameter. Happens for every kind of statement.80 Label LabelFixer::setLabelsDef( std::list< Label > & llabel, Statement * definition ) {81 assert( definition != 0 );82 assert( llabel.size() > 0 );78 // Sets the definition of the labelTable entry to be the provided statement for every label in 79 // the list parameter. Happens for every kind of statement. 80 Label LabelFixer::setLabelsDef( std::list< Label > & llabel, Statement * definition ) { 81 assert( definition != 0 ); 82 assert( llabel.size() > 0 ); 83 83 84 for ( std::list< Label >::iterator i = llabel.begin(); i != llabel.end(); i++ ) {85 Label & l = *i;86 l.set_statement( definition ); // attach statement to the label to be used later87 if ( labelTable.find( l ) == labelTable.end() ) {88 // All labels on this statement need to use the same entry,89 // so this should only be created once.90 // undefined and unused until now, add an entry91 labelTable[ l ] = new Entry( definition );92 } else if ( labelTable[ l ]->defined() ) {93 // defined twice, error94 SemanticError( l.get_statement()->location,95 "Duplicate definition of label: " + l.get_name() );96 } else {97 // used previously, but undefined until now -> link with this entry98 // Question: Is changing objects important?99 delete labelTable[ l ];100 labelTable[ l ] = new Entry( definition );101 } // if102 } // for84 for ( std::list< Label >::iterator i = llabel.begin(); i != llabel.end(); i++ ) { 85 Label & l = *i; 86 l.set_statement( definition ); // attach statement to the label to be used later 87 if ( labelTable.find( l ) == labelTable.end() ) { 88 // All labels on this statement need to use the same entry, 89 // so this should only be created once. 90 // undefined and unused until now, add an entry 91 labelTable[ l ] = new Entry( definition ); 92 } else if ( labelTable[ l ]->defined() ) { 93 // defined twice, error 94 SemanticError( l.get_statement()->location, 95 "Duplicate definition of label: " + l.get_name() ); 96 } else { 97 // used previously, but undefined until now -> link with this entry 98 // Question: Is changing objects important? 99 delete labelTable[ l ]; 100 labelTable[ l ] = new Entry( definition ); 101 } // if 102 } // for 103 103 104 // Produce one of the labels attached to this statement to be temporarily used as the 105 // canonical label. 106 return labelTable[ llabel.front() ]->get_label(); 107 } 108 109 // A label was used, add it to the table if it isn't already there 110 template< typename UsageNode > 111 void LabelFixer::setLabelsUsg( Label orgValue, UsageNode *use ) { 112 assert( use != 0 ); 113 114 // add label with an unknown origin 115 if ( labelTable.find( orgValue ) == labelTable.end() ) { 116 labelTable[ orgValue ] = new Entry( 0 ); 117 } 118 } 119 120 // Builds a table that maps a label to its defining statement. 121 std::map<Label, Statement * > * LabelFixer::resolveJumps() throw ( SemanticErrorException ) { 122 std::map< Label, Statement * > *ret = new std::map< Label, Statement * >(); 123 for ( std::map< Label, Entry * >::iterator i = labelTable.begin(); i != labelTable.end(); ++i ) { 124 if ( ! i->second->defined() ) { 125 SemanticError( i->first.get_statement()->location, "Use of undefined label: " + i->first.get_name() ); 126 } 127 (*ret)[ i->first ] = i->second->get_definition(); 104 // Produce one of the labels attached to this statement to be temporarily used as the 105 // canonical label. 106 return labelTable[ llabel.front() ]->get_label(); 128 107 } 129 108 130 return ret; 131 } 109 // A label was used, add it to the table if it isn't already there 110 template< typename UsageNode > 111 void LabelFixer::setLabelsUsg( Label orgValue, UsageNode *use ) { 112 assert( use != 0 ); 113 114 // add label with an unknown origin 115 if ( labelTable.find( orgValue ) == labelTable.end() ) { 116 labelTable[ orgValue ] = new Entry( 0 ); 117 } 118 } 119 120 // Builds a table that maps a label to its defining statement. 121 std::map<Label, Statement * > * LabelFixer::resolveJumps() throw ( SemanticErrorException ) { 122 std::map< Label, Statement * > *ret = new std::map< Label, Statement * >(); 123 for ( std::map< Label, Entry * >::iterator i = labelTable.begin(); i != labelTable.end(); ++i ) { 124 if ( ! i->second->defined() ) { 125 SemanticError( i->first.get_statement()->location, "Use of undefined label: " + i->first.get_name() ); 126 } 127 (*ret)[ i->first ] = i->second->get_definition(); 128 } 129 130 return ret; 131 } 132 132 } // namespace ControlStruct 133 133 -
src/ControlStruct/LabelFixer.h
r376c632a rf681823 10 10 // Created On : Mon May 18 07:44:20 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Mon Jan 31 22:28:04 202213 // Update Count : 3 512 // Last Modified On : Sat Jul 22 09:17:24 2017 13 // Update Count : 34 14 14 // 15 15 … … 26 26 27 27 namespace ControlStruct { 28 // normalizes label definitions and generates multi-level exit labels29 class LabelGenerator;28 /// normalizes label definitions and generates multi-level exit labels 29 class LabelGenerator; 30 30 31 class LabelFixer final : public WithGuards {32 public:33 LabelFixer( LabelGenerator *gen = 0 );31 class LabelFixer final : public WithGuards { 32 public: 33 LabelFixer( LabelGenerator *gen = 0 ); 34 34 35 std::map < Label, Statement * > *resolveJumps() throw ( SemanticErrorException );35 std::map < Label, Statement * > *resolveJumps() throw ( SemanticErrorException ); 36 36 37 // Declarations38 void previsit( FunctionDecl *functionDecl );39 void postvisit( FunctionDecl *functionDecl );37 // Declarations 38 void previsit( FunctionDecl *functionDecl ); 39 void postvisit( FunctionDecl *functionDecl ); 40 40 41 // Statements42 void previsit( Statement *stmt );43 void previsit( BranchStmt *branchStmt );41 // Statements 42 void previsit( Statement *stmt ); 43 void previsit( BranchStmt *branchStmt ); 44 44 45 // Expressions46 void previsit( LabelAddressExpr *addrExpr );45 // Expressions 46 void previsit( LabelAddressExpr *addrExpr ); 47 47 48 Label setLabelsDef( std::list< Label > &, Statement *definition ); 49 template< typename UsageNode > 50 void setLabelsUsg( Label, UsageNode *usage = 0 ); 51 52 private: 53 class Entry { 54 public: 55 Entry( Statement *to ) : definition( to ) {} 56 bool defined() { return ( definition != 0 ); } 57 bool insideLoop(); 58 59 Label get_label() const { return label; } 60 void set_label( Label lab ) { label = lab; } 61 62 Statement *get_definition() const { return definition; } 63 void set_definition( Statement *def ) { definition = def; } 48 Label setLabelsDef( std::list< Label > &, Statement *definition ); 49 template< typename UsageNode > 50 void setLabelsUsg( Label, UsageNode *usage = 0 ); 64 51 65 52 private: 66 Label label; 67 Statement *definition; 53 class Entry { 54 public: 55 Entry( Statement *to ) : definition( to ) {} 56 bool defined() { return ( definition != 0 ); } 57 bool insideLoop(); 58 59 Label get_label() const { return label; } 60 void set_label( Label lab ) { label = lab; } 61 62 Statement *get_definition() const { return definition; } 63 void set_definition( Statement *def ) { definition = def; } 64 65 private: 66 Label label; 67 Statement *definition; 68 }; 69 70 std::map < Label, Entry *> labelTable; 71 LabelGenerator *generator; 68 72 }; 69 70 std::map < Label, Entry *> labelTable;71 LabelGenerator *generator;72 };73 73 } // namespace ControlStruct 74 74 -
src/ControlStruct/LabelGenerator.cc
r376c632a rf681823 9 9 // Author : Rodolfo G. Esteves 10 10 // Created On : Mon May 18 07:44:20 2015 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:30:26 202213 // Update Count : 2811 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 10:18:00 2021 13 // Update Count : 17 14 14 // 15 15 … … 17 17 #include <sstream> // for ostringstream 18 18 #include <list> // for list 19 using namespace std;20 19 21 20 #include "LabelGenerator.h" 22 21 22 #include "AST/Attribute.hpp" 23 #include "AST/Label.hpp" 24 #include "AST/Stmt.hpp" 23 25 #include "SynTree/Attribute.h" // for Attribute 24 26 #include "SynTree/Label.h" // for Label, operator<< … … 26 28 27 29 namespace ControlStruct { 30 28 31 int LabelGenerator::current = 0; 29 32 LabelGenerator * LabelGenerator::labelGenerator = nullptr; 30 33 31 LabelGenerator * LabelGenerator::getGenerator() { 32 if ( LabelGenerator::labelGenerator == 0 ) 33 LabelGenerator::labelGenerator = new LabelGenerator(); 34 return labelGenerator; 34 LabelGenerator * LabelGenerator::getGenerator() { 35 if ( LabelGenerator::labelGenerator == 0 ) 36 LabelGenerator::labelGenerator = new LabelGenerator(); 37 return labelGenerator; 38 } 39 40 Label LabelGenerator::newLabel( std::string suffix, Statement * stmt ) { 41 std::ostringstream os; 42 os << "__L" << current++ << "__" << suffix; 43 if ( stmt && ! stmt->get_labels().empty() ) { 44 os << "_" << stmt->get_labels().front() << "__"; 45 } // if 46 std::string ret = os.str(); 47 Label l( ret ); 48 l.get_attributes().push_back( new Attribute("unused") ); 49 return l; 50 } 51 52 ast::Label LabelGenerator::newLabel( 53 const std::string & suffix, const ast::Stmt * stmt ) { 54 assert( stmt ); 55 56 std::ostringstream os; 57 os << "__L" << current++ << "__" << suffix; 58 if ( stmt && !stmt->labels.empty() ) { 59 os << "_" << stmt->labels.front() << "__"; 60 } 61 ast::Label ret_label( stmt->location, os.str() ); 62 ret_label.attributes.push_back( new ast::Attribute( "unused" ) ); 63 return ret_label; 35 64 } 36 65 37 Label LabelGenerator::newLabel( string suffix, Statement * stmt ) {38 ostringstream os;39 os << "__L_OLD" << current++ << "__" << suffix;40 if ( stmt && ! stmt->get_labels().empty() ) {41 os << "_" << stmt->get_labels().front() << "__";42 } // if43 string ret = os.str();44 Label l( ret );45 l.get_attributes().push_back( new Attribute( "unused" ) );46 return l;47 }48 66 } // namespace ControlStruct 49 67 50 68 // Local Variables: // 69 // tab-width: 4 // 51 70 // mode: c++ // 71 // compile-command: "make install" // 52 72 // End: // -
src/ControlStruct/LabelGenerator.h
r376c632a rf681823 9 9 // Author : Rodolfo G. Esteves 10 10 // Created On : Mon May 18 07:44:20 2015 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:30:10 202213 // Update Count : 1611 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 10:16:00 2021 13 // Update Count : 8 14 14 // 15 15 … … 21 21 22 22 class Statement; 23 24 23 namespace ast { 25 class Stmt;26 class Label;24 class Stmt; 25 class Label; 27 26 } 28 27 29 28 namespace ControlStruct { 29 30 30 class LabelGenerator { 31 31 static int current; 32 32 static LabelGenerator *labelGenerator; 33 protected:33 protected: 34 34 LabelGenerator() {} 35 public:35 public: 36 36 static LabelGenerator *getGenerator(); 37 37 static Label newLabel(std::string suffix, Statement * stmt = nullptr); 38 static ast::Label newLabel( const std::string&, const ast::Stmt * ); 39 static void reset() { current = 0; } 40 static void rewind() { current--; } 38 41 }; 42 39 43 } // namespace ControlStruct 40 44 -
src/ControlStruct/MultiLevelExit.cpp
r376c632a rf681823 9 9 // Author : Andrew Beach 10 10 // Created On : Mon Nov 1 13:48:00 2021 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:35:08 202213 // Update Count : 2 811 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 10:56:00 2021 13 // Update Count : 2 14 14 // 15 15 … … 18 18 #include "AST/Pass.hpp" 19 19 #include "AST/Stmt.hpp" 20 #include " LabelGeneratorNew.hpp"20 #include "ControlStruct/LabelGenerator.h" 21 21 22 22 #include <set> 23 using namespace std;24 using namespace ast;25 23 26 24 namespace ControlStruct { 25 26 namespace { 27 27 28 class Entry { 28 public:29 const Stmt * stmt;30 private:29 public: 30 const ast::Stmt * stmt; 31 private: 31 32 // Organized like a manual ADT. Avoids creating a bunch of dead data. 32 33 struct Target { 33 Label label;34 ast::Label label; 34 35 bool used = false; 35 Target( const Label & label ) : label( label ) {}36 Target( const ast::Label & label ) : label( label ) {} 36 37 Target() : label( CodeLocation() ) {} 37 38 }; … … 40 41 41 42 enum Kind { 42 ForStmt K, WhileStmtK, CompoundStmtK, IfStmtK, CaseStmtK, SwitchStmtK, TryStmtK43 ForStmt, WhileStmt, CompoundStmt, IfStmt, CaseStmt, SwitchStmt, TryStmt 43 44 } kind; 44 45 45 46 bool fallDefaultValid = true; 46 47 47 static Label & useTarget( Target & target ) {48 static ast::Label & useTarget( Target & target ) { 48 49 target.used = true; 49 50 return target.label; 50 51 } 51 52 52 public:53 Entry( const ForStmt * stmt, Label breakExit,Label contExit ) :54 stmt( stmt ), firstTarget( breakExit ), secondTarget( contExit ), kind( ForStmt K) {}55 Entry( const WhileStmt * stmt, Label breakExit,Label contExit ) :56 stmt( stmt ), firstTarget( breakExit ), secondTarget( contExit ), kind( WhileStmt K) {}57 Entry( const CompoundStmt *stmt,Label breakExit ) :58 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( CompoundStmt K) {}59 Entry( const IfStmt *stmt,Label breakExit ) :60 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( IfStmt K) {}61 Entry( const CaseStmt *stmt,Label fallExit ) :62 stmt( stmt ), firstTarget( fallExit ), secondTarget(), kind( CaseStmt K) {}63 Entry( const SwitchStmt *stmt, Label breakExit,Label fallDefaultExit ) :64 stmt( stmt ), firstTarget( breakExit ), secondTarget( fallDefaultExit ), kind( SwitchStmt K) {}65 Entry( const TryStmt *stmt,Label breakExit ) :66 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( TryStmt K) {}67 68 bool isContTarget() const { return kind <= WhileStmt K; }69 bool isBreakTarget() const { return kind != CaseStmtK; }70 bool isFallTarget() const { return kind == CaseStmtK; }71 bool isFallDefaultTarget() const { return kind == SwitchStmtK; }72 73 Label useContExit() { assert( kind <= WhileStmtK); return useTarget(secondTarget); }74 Label useBreakExit() { assert( kind != CaseStmtK); return useTarget(firstTarget); }75 Label useFallExit() { assert( kind == CaseStmtK); return useTarget(firstTarget); }76 Label useFallDefaultExit() { assert( kind == SwitchStmtK); return useTarget(secondTarget); }77 78 bool isContUsed() const { assert( kind <= WhileStmt K); return secondTarget.used; }79 bool isBreakUsed() const { assert( kind != CaseStmtK); return firstTarget.used; }80 bool isFallUsed() const { assert( kind == CaseStmtK); return firstTarget.used; }81 bool isFallDefaultUsed() const { assert( kind == SwitchStmtK); return secondTarget.used; }53 public: 54 Entry( const ast::ForStmt * stmt, ast::Label breakExit, ast::Label contExit ) : 55 stmt( stmt ), firstTarget( breakExit ), secondTarget( contExit ), kind( ForStmt ) {} 56 Entry( const ast::WhileStmt * stmt, ast::Label breakExit, ast::Label contExit ) : 57 stmt( stmt ), firstTarget( breakExit ), secondTarget( contExit ), kind( WhileStmt ) {} 58 Entry( const ast::CompoundStmt *stmt, ast::Label breakExit ) : 59 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( CompoundStmt ) {} 60 Entry( const ast::IfStmt *stmt, ast::Label breakExit ) : 61 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( IfStmt ) {} 62 Entry( const ast::CaseStmt *stmt, ast::Label fallExit ) : 63 stmt( stmt ), firstTarget( fallExit ), secondTarget(), kind( CaseStmt ) {} 64 Entry( const ast::SwitchStmt *stmt, ast::Label breakExit, ast::Label fallDefaultExit ) : 65 stmt( stmt ), firstTarget( breakExit ), secondTarget( fallDefaultExit ), kind( SwitchStmt ) {} 66 Entry( const ast::TryStmt *stmt, ast::Label breakExit ) : 67 stmt( stmt ), firstTarget( breakExit ), secondTarget(), kind( TryStmt ) {} 68 69 bool isContTarget() const { return kind <= WhileStmt; } 70 bool isBreakTarget() const { return CaseStmt != kind; } 71 bool isFallTarget() const { return CaseStmt == kind; } 72 bool isFallDefaultTarget() const { return SwitchStmt == kind; } 73 74 ast::Label useContExit() { assert( kind <= WhileStmt ); return useTarget(secondTarget); } 75 ast::Label useBreakExit() { assert( CaseStmt != kind ); return useTarget(firstTarget); } 76 ast::Label useFallExit() { assert( CaseStmt == kind ); return useTarget(firstTarget); } 77 ast::Label useFallDefaultExit() { assert( SwitchStmt == kind ); return useTarget(secondTarget); } 78 79 bool isContUsed() const { assert( kind <= WhileStmt ); return secondTarget.used; } 80 bool isBreakUsed() const { assert( CaseStmt != kind ); return firstTarget.used; } 81 bool isFallUsed() const { assert( CaseStmt == kind ); return firstTarget.used; } 82 bool isFallDefaultUsed() const { assert( SwitchStmt == kind ); return secondTarget.used; } 82 83 void seenDefault() { fallDefaultValid = false; } 83 84 bool isFallDefaultValid() const { return fallDefaultValid; } 84 85 }; 85 86 86 // Helper predicates used in find_if calls (it doesn't take methods):87 // Helper predicates used in std::find_if calls (it doesn't take methods): 87 88 bool isBreakTarget( const Entry & entry ) { 88 89 return entry.isBreakTarget(); … … 102 103 103 104 struct MultiLevelExitCore final : 104 publicWithVisitorRef<MultiLevelExitCore>,105 public WithShortCircuiting, publicWithGuards {105 public ast::WithVisitorRef<MultiLevelExitCore>, 106 public ast::WithShortCircuiting, public ast::WithGuards { 106 107 MultiLevelExitCore( const LabelToStmt & lt ); 107 108 108 void previsit( const FunctionDecl * );109 110 const CompoundStmt * previsit( constCompoundStmt * );111 const BranchStmt * postvisit( constBranchStmt * );112 void previsit( const WhileStmt * );113 const WhileStmt * postvisit( constWhileStmt * );114 void previsit( const ForStmt * );115 const ForStmt * postvisit( constForStmt * );116 const CaseStmt * previsit( constCaseStmt * );117 void previsit( const IfStmt * );118 const IfStmt * postvisit( constIfStmt * );119 void previsit( const SwitchStmt * );120 const SwitchStmt * postvisit( constSwitchStmt * );121 void previsit( const ReturnStmt * );122 void previsit( const TryStmt * );123 void postvisit( const TryStmt * );124 void previsit( const FinallyStmt * );125 126 const Stmt * mutateLoop( constStmt * body, Entry& );109 void previsit( const ast::FunctionDecl * ); 110 111 const ast::CompoundStmt * previsit( const ast::CompoundStmt * ); 112 const ast::BranchStmt * postvisit( const ast::BranchStmt * ); 113 void previsit( const ast::WhileStmt * ); 114 const ast::WhileStmt * postvisit( const ast::WhileStmt * ); 115 void previsit( const ast::ForStmt * ); 116 const ast::ForStmt * postvisit( const ast::ForStmt * ); 117 const ast::CaseStmt * previsit( const ast::CaseStmt * ); 118 void previsit( const ast::IfStmt * ); 119 const ast::IfStmt * postvisit( const ast::IfStmt * ); 120 void previsit( const ast::SwitchStmt * ); 121 const ast::SwitchStmt * postvisit( const ast::SwitchStmt * ); 122 void previsit( const ast::ReturnStmt * ); 123 void previsit( const ast::TryStmt * ); 124 void postvisit( const ast::TryStmt * ); 125 void previsit( const ast::FinallyStmt * ); 126 127 const ast::Stmt * mutateLoop( const ast::Stmt * body, Entry& ); 127 128 128 129 const LabelToStmt & target_table; 129 s et<Label> fallthrough_labels;130 vector<Entry> enclosing_control_structures;131 Label break_label;130 std::set<ast::Label> fallthrough_labels; 131 std::vector<Entry> enclosing_control_structures; 132 ast::Label break_label; 132 133 bool inFinally; 133 134 … … 137 138 const LoopNode * posthandleLoopStmt( const LoopNode * loopStmt ); 138 139 139 list<ptr<Stmt>> fixBlock(140 const list<ptr<Stmt>> & kids, bool caseClause );140 std::list<ast::ptr<ast::Stmt>> fixBlock( 141 const std::list<ast::ptr<ast::Stmt>> & kids, bool caseClause ); 141 142 142 143 template<typename UnaryPredicate> 143 144 auto findEnclosingControlStructure( UnaryPredicate pred ) { 144 return find_if( enclosing_control_structures.rbegin(),145 enclosing_control_structures.rend(), pred );145 return std::find_if( enclosing_control_structures.rbegin(), 146 enclosing_control_structures.rend(), pred ); 146 147 } 147 148 }; 148 149 149 NullStmt * labelledNullStmt(150 const CodeLocation & cl, constLabel & label ) {151 return new NullStmt( cl, vector<Label>{ label } );150 ast::NullStmt * labelledNullStmt( 151 const CodeLocation & cl, const ast::Label & label ) { 152 return new ast::NullStmt( cl, std::vector<ast::Label>{ label } ); 152 153 } 153 154 … … 157 158 {} 158 159 159 void MultiLevelExitCore::previsit( const FunctionDecl * ) {160 void MultiLevelExitCore::previsit( const ast::FunctionDecl * ) { 160 161 visit_children = false; 161 162 } 162 163 163 const CompoundStmt * MultiLevelExitCore::previsit(164 constCompoundStmt * stmt ) {164 const ast::CompoundStmt * MultiLevelExitCore::previsit( 165 const ast::CompoundStmt * stmt ) { 165 166 visit_children = false; 166 167 bool isLabeled = !stmt->labels.empty(); 167 168 if ( isLabeled ) { 168 Label breakLabel =newLabel( "blockBreak", stmt );169 ast::Label breakLabel = LabelGenerator::newLabel( "blockBreak", stmt ); 169 170 enclosing_control_structures.emplace_back( stmt, breakLabel ); 170 171 GuardAction( [this]() { enclosing_control_structures.pop_back(); } ); 171 172 } 172 173 173 auto mutStmt = mutate( stmt );174 auto mutStmt = ast::mutate( stmt ); 174 175 // A child statement may set the break label. 175 mutStmt->kids = move( fixBlock( stmt->kids, false ) );176 mutStmt->kids = std::move( fixBlock( stmt->kids, false ) ); 176 177 177 178 if ( isLabeled ) { … … 186 187 187 188 size_t getUnusedIndex( 188 const Stmt * stmt, constLabel & originalTarget ) {189 const ast::Stmt * stmt, const ast::Label & originalTarget ) { 189 190 const size_t size = stmt->labels.size(); 190 191 191 // If the label is empty, do not add unused attribute.192 if ( originalTarget.empty() ) return size;192 // If the label is empty, we can skip adding the unused attribute: 193 if ( originalTarget.empty() ) return size; 193 194 194 195 // Search for a label that matches the originalTarget. 195 196 for ( size_t i = 0 ; i < size ; ++i ) { 196 const Label & label = stmt->labels[i];197 const ast::Label & label = stmt->labels[i]; 197 198 if ( label == originalTarget ) { 198 for ( const Attribute * attr : label.attributes ) {199 for ( const ast::Attribute * attr : label.attributes ) { 199 200 if ( attr->name == "unused" ) return size; 200 201 } … … 203 204 } 204 205 assertf( false, "Could not find label '%s' on statement %s", 205 originalTarget.name.c_str(), toString( stmt ).c_str() );206 } 207 208 const Stmt * addUnused(209 const Stmt * stmt, constLabel & originalTarget ) {206 originalTarget.name.c_str(), toString( stmt ).c_str() ); 207 } 208 209 const ast::Stmt * addUnused( 210 const ast::Stmt * stmt, const ast::Label & originalTarget ) { 210 211 size_t i = getUnusedIndex( stmt, originalTarget ); 211 212 if ( i == stmt->labels.size() ) { 212 213 return stmt; 213 214 } 214 Stmt * mutStmt =mutate( stmt );215 mutStmt->labels[i].attributes.push_back( new Attribute( "unused" ) );215 ast::Stmt * mutStmt = ast::mutate( stmt ); 216 mutStmt->labels[i].attributes.push_back( new ast::Attribute( "unused" ) ); 216 217 return mutStmt; 217 218 } 218 219 219 const BranchStmt * MultiLevelExitCore::postvisit( constBranchStmt * stmt ) {220 vector<Entry>::reverse_iterator targetEntry =220 const ast::BranchStmt * MultiLevelExitCore::postvisit( const ast::BranchStmt * stmt ) { 221 std::vector<Entry>::reverse_iterator targetEntry = 221 222 enclosing_control_structures.rend(); 222 223 switch ( stmt->kind ) { 223 caseBranchStmt::Goto:224 case ast::BranchStmt::Goto: 224 225 return stmt; 225 case BranchStmt::Continue: 226 case BranchStmt::Break: { 227 bool isContinue = stmt->kind == BranchStmt::Continue; 228 // Handle unlabeled break and continue. 229 if ( stmt->target.empty() ) { 230 if ( isContinue ) { 231 targetEntry = findEnclosingControlStructure( isContinueTarget ); 232 } else { 233 if ( enclosing_control_structures.empty() ) { 234 SemanticError( stmt->location, 235 "'break' outside a loop, 'switch', or labelled block" ); 236 } 237 targetEntry = findEnclosingControlStructure( isBreakTarget ); 238 } 239 // Handle labeled break and continue. 240 } else { 241 // Lookup label in table to find attached control structure. 242 targetEntry = findEnclosingControlStructure( 243 [ targetStmt = target_table.at(stmt->target) ](auto entry){ 244 return entry.stmt == targetStmt; 245 } ); 246 } 247 // Ensure that selected target is valid. 248 if ( targetEntry == enclosing_control_structures.rend() || ( isContinue && !isContinueTarget( *targetEntry ) ) ) { 249 SemanticError( stmt->location, toString( (isContinue ? "'continue'" : "'break'"), 250 " target must be an enclosing ", (isContinue ? "loop: " : "control structure: "), 251 stmt->originalTarget ) ); 252 } 253 break; 254 } 255 case BranchStmt::FallThrough: { 256 targetEntry = findEnclosingControlStructure( isFallthroughTarget ); 257 // Check that target is valid. 258 if ( targetEntry == enclosing_control_structures.rend() ) { 259 SemanticError( stmt->location, "'fallthrough' must be enclosed in a 'switch' or 'choose'" ); 260 } 261 if ( !stmt->target.empty() ) { 262 // Labelled fallthrough: target must be a valid fallthough label. 263 if ( !fallthrough_labels.count( stmt->target ) ) { 264 SemanticError( stmt->location, toString( "'fallthrough' target must be a later case statement: ", 265 stmt->originalTarget ) ); 266 } 267 return new BranchStmt( 268 stmt->location, BranchStmt::Goto, stmt->originalTarget ); 269 } 270 break; 271 } 272 case BranchStmt::FallThroughDefault: { 273 targetEntry = findEnclosingControlStructure( isFallthroughDefaultTarget ); 274 275 // Check if in switch or choose statement. 276 if ( targetEntry == enclosing_control_structures.rend() ) { 277 SemanticError( stmt->location, "'fallthrough' must be enclosed in a 'switch' or 'choose'" ); 278 } 279 280 // Check if switch or choose has default clause. 281 auto switchStmt = strict_dynamic_cast< const SwitchStmt * >( targetEntry->stmt ); 282 bool foundDefault = false; 283 for ( auto subStmt : switchStmt->stmts ) { 284 const CaseStmt * caseStmt = subStmt.strict_as<CaseStmt>(); 285 if ( caseStmt->isDefault() ) { 286 foundDefault = true; 287 break; 288 } 289 } 290 if ( ! foundDefault ) { 291 SemanticError( stmt->location, "'fallthrough default' must be enclosed in a 'switch' or 'choose'" 292 "control structure with a 'default' clause" ); 293 } 294 break; 295 } 296 default: 226 case ast::BranchStmt::Continue: 227 case ast::BranchStmt::Break: { 228 bool isContinue = stmt->kind == ast::BranchStmt::Continue; 229 // Handle unlabeled break and continue. 230 if ( stmt->target.empty() ) { 231 if ( isContinue ) { 232 targetEntry = findEnclosingControlStructure( isContinueTarget ); 233 } else { 234 if ( enclosing_control_structures.empty() ) { 235 SemanticError( stmt->location, 236 "'break' outside a loop, 'switch', or labelled block" ); 237 } 238 targetEntry = findEnclosingControlStructure( isBreakTarget ); 239 } 240 // Handle labeled break and continue. 241 } else { 242 // Lookup label in table to find attached control structure. 243 targetEntry = findEnclosingControlStructure( 244 [ targetStmt = target_table.at(stmt->target) ](auto entry){ 245 return entry.stmt == targetStmt; 246 } ); 247 } 248 // Ensure that selected target is valid. 249 if ( targetEntry == enclosing_control_structures.rend() || ( isContinue && !isContinueTarget( *targetEntry ) ) ) { 250 SemanticError( 251 stmt->location, 252 toString( (isContinue ? "'continue'" : "'break'"), 253 " target must be an enclosing ", 254 (isContinue ? "loop: " : "control structure: "), 255 stmt->originalTarget ) ); 256 } 257 break; 258 } 259 case ast::BranchStmt::FallThrough: { 260 targetEntry = findEnclosingControlStructure( isFallthroughTarget ); 261 // Check that target is valid. 262 if ( targetEntry == enclosing_control_structures.rend() ) { 263 SemanticError( stmt->location, "'fallthrough' must be enclosed in a 'switch' or 'choose'" ); 264 } 265 if ( !stmt->target.empty() ) { 266 // Labelled fallthrough: target must be a valid fallthough label. 267 if ( !fallthrough_labels.count( stmt->target ) ) { 268 SemanticError( stmt->location, toString( "'fallthrough' target must be a later case statement: ", stmt->originalTarget ) ); 269 } 270 return new ast::BranchStmt( 271 stmt->location, ast::BranchStmt::Goto, stmt->originalTarget ); 272 } 273 break; 274 } 275 case ast::BranchStmt::FallThroughDefault: { 276 targetEntry = findEnclosingControlStructure( isFallthroughDefaultTarget ); 277 278 // Check that this is in a switch or choose statement. 279 if ( targetEntry == enclosing_control_structures.rend() ) { 280 SemanticError( stmt->location, "'fallthrough' must be enclosed in a 'switch' or 'choose'" ); 281 } 282 283 // Check that the switch or choose has a default clause. 284 auto switchStmt = strict_dynamic_cast< const ast::SwitchStmt * >( 285 targetEntry->stmt ); 286 bool foundDefault = false; 287 for ( auto subStmt : switchStmt->stmts ) { 288 const ast::CaseStmt * caseStmt = subStmt.strict_as<ast::CaseStmt>(); 289 if ( caseStmt->isDefault() ) { 290 foundDefault = true; 291 break; 292 } 293 } 294 if ( !foundDefault ) { 295 SemanticError( stmt->location, "'fallthrough default' must be enclosed in a 'switch' or 'choose' control structure with a 'default' clause" ); 296 } 297 break; 298 } 299 default: 297 300 assert( false ); 298 301 } 299 302 300 303 // Branch error checks: get the appropriate label name: 301 // (This label is alwaysreplaced.)302 Label exitLabel( CodeLocation(), "" );304 // (This label will always be replaced.) 305 ast::Label exitLabel( CodeLocation(), "" ); 303 306 switch ( stmt->kind ) { 304 caseBranchStmt::Break:307 case ast::BranchStmt::Break: 305 308 assert( !targetEntry->useBreakExit().empty() ); 306 309 exitLabel = targetEntry->useBreakExit(); 307 310 break; 308 caseBranchStmt::Continue:311 case ast::BranchStmt::Continue: 309 312 assert( !targetEntry->useContExit().empty() ); 310 313 exitLabel = targetEntry->useContExit(); 311 314 break; 312 caseBranchStmt::FallThrough:315 case ast::BranchStmt::FallThrough: 313 316 assert( !targetEntry->useFallExit().empty() ); 314 317 exitLabel = targetEntry->useFallExit(); 315 318 break; 316 caseBranchStmt::FallThroughDefault:319 case ast::BranchStmt::FallThroughDefault: 317 320 assert( !targetEntry->useFallDefaultExit().empty() ); 318 321 exitLabel = targetEntry->useFallDefaultExit(); 319 322 // Check that fallthrough default comes before the default clause. 320 323 if ( !targetEntry->isFallDefaultValid() ) { 321 SemanticError( stmt->location, "'fallthrough default' must precede the 'default' clause" ); 324 SemanticError( stmt->location, 325 "'fallthrough default' must precede the 'default' clause" ); 322 326 } 323 327 break; 324 default:328 default: 325 329 assert(0); 326 330 } … … 329 333 targetEntry->stmt = addUnused( targetEntry->stmt, stmt->originalTarget ); 330 334 331 // Replace withgoto to make later passes more uniform.332 return new BranchStmt( stmt->location,BranchStmt::Goto, exitLabel );333 } 334 335 void MultiLevelExitCore::previsit( const WhileStmt * stmt ) {335 // Replace this with a goto to make later passes more uniform. 336 return new ast::BranchStmt( stmt->location, ast::BranchStmt::Goto, exitLabel ); 337 } 338 339 void MultiLevelExitCore::previsit( const ast::WhileStmt * stmt ) { 336 340 return prehandleLoopStmt( stmt ); 337 341 } 338 342 339 const WhileStmt * MultiLevelExitCore::postvisit( constWhileStmt * stmt ) {343 const ast::WhileStmt * MultiLevelExitCore::postvisit( const ast::WhileStmt * stmt ) { 340 344 return posthandleLoopStmt( stmt ); 341 345 } 342 346 343 void MultiLevelExitCore::previsit( const ForStmt * stmt ) {347 void MultiLevelExitCore::previsit( const ast::ForStmt * stmt ) { 344 348 return prehandleLoopStmt( stmt ); 345 349 } 346 350 347 const ForStmt * MultiLevelExitCore::postvisit( constForStmt * stmt ) {351 const ast::ForStmt * MultiLevelExitCore::postvisit( const ast::ForStmt * stmt ) { 348 352 return posthandleLoopStmt( stmt ); 349 353 } … … 351 355 // Mimic what the built-in push_front would do anyways. It is O(n). 352 356 void push_front( 353 vector<ptr<Stmt>> & vec, constStmt * element ) {357 std::vector<ast::ptr<ast::Stmt>> & vec, const ast::Stmt * element ) { 354 358 vec.emplace_back( nullptr ); 355 359 for ( size_t i = vec.size() - 1 ; 0 < i ; --i ) { 356 vec[ i ] = move( vec[ i - 1 ] );360 vec[ i ] = std::move( vec[ i - 1 ] ); 357 361 } 358 362 vec[ 0 ] = element; 359 363 } 360 364 361 const CaseStmt * MultiLevelExitCore::previsit( constCaseStmt * stmt ) {365 const ast::CaseStmt * MultiLevelExitCore::previsit( const ast::CaseStmt * stmt ) { 362 366 visit_children = false; 363 367 364 // If default, markseen.368 // If it is the default, mark the default as seen. 365 369 if ( stmt->isDefault() ) { 366 370 assert( !enclosing_control_structures.empty() ); … … 369 373 370 374 // The cond may not exist, but if it does update it now. 371 visitor->maybe_accept( stmt, & CaseStmt::cond );375 visitor->maybe_accept( stmt, &ast::CaseStmt::cond ); 372 376 373 377 // Just save the mutated node for simplicity. 374 CaseStmt * mutStmt =mutate( stmt );375 376 Label fallLabel =newLabel( "fallThrough", stmt );377 if ( ! mutStmt->stmts.empty() ) {378 ast::CaseStmt * mutStmt = ast::mutate( stmt ); 379 380 ast::Label fallLabel = LabelGenerator::newLabel( "fallThrough", stmt ); 381 if ( !mutStmt->stmts.empty() ) { 378 382 // Ensure that the stack isn't corrupted by exceptions in fixBlock. 379 383 auto guard = makeFuncGuard( 380 384 [&](){ enclosing_control_structures.emplace_back( mutStmt, fallLabel ); }, 381 385 [this](){ enclosing_control_structures.pop_back(); } 382 );386 ); 383 387 384 388 // These should already be in a block. 385 auto block = mutate( mutStmt->stmts.front().strict_as<CompoundStmt>() );389 auto block = ast::mutate( mutStmt->stmts.front().strict_as<ast::CompoundStmt>() ); 386 390 block->kids = fixBlock( block->kids, true ); 387 391 388 392 // Add fallthrough label if necessary. 389 assert( ! enclosing_control_structures.empty() );393 assert( !enclosing_control_structures.empty() ); 390 394 Entry & entry = enclosing_control_structures.back(); 391 395 if ( entry.isFallUsed() ) { … … 394 398 } 395 399 } 396 assert( ! enclosing_control_structures.empty() );400 assert( !enclosing_control_structures.empty() ); 397 401 Entry & entry = enclosing_control_structures.back(); 398 assertf( dynamic_cast< const SwitchStmt * >( entry.stmt ),399 "Control structure enclosing a case clause must be a switch, but is: %s",400 toString( entry.stmt ).c_str() );402 assertf( dynamic_cast< const ast::SwitchStmt * >( entry.stmt ), 403 "Control structure enclosing a case clause must be a switch, but is: %s", 404 toString( entry.stmt ).c_str() ); 401 405 if ( mutStmt->isDefault() ) { 402 406 if ( entry.isFallDefaultUsed() ) { 403 407 // Add fallthrough default label if necessary. 404 408 push_front( mutStmt->stmts, labelledNullStmt( 405 stmt->location, entry.useFallDefaultExit()406 ) );409 stmt->location, entry.useFallDefaultExit() 410 ) ); 407 411 } 408 412 } … … 410 414 } 411 415 412 void MultiLevelExitCore::previsit( const IfStmt * stmt ) {416 void MultiLevelExitCore::previsit( const ast::IfStmt * stmt ) { 413 417 bool labeledBlock = !stmt->labels.empty(); 414 418 if ( labeledBlock ) { 415 Label breakLabel =newLabel( "blockBreak", stmt );419 ast::Label breakLabel = LabelGenerator::newLabel( "blockBreak", stmt ); 416 420 enclosing_control_structures.emplace_back( stmt, breakLabel ); 417 421 GuardAction( [this](){ enclosing_control_structures.pop_back(); } ); … … 419 423 } 420 424 421 const IfStmt * MultiLevelExitCore::postvisit( constIfStmt * stmt ) {425 const ast::IfStmt * MultiLevelExitCore::postvisit( const ast::IfStmt * stmt ) { 422 426 bool labeledBlock = !stmt->labels.empty(); 423 427 if ( labeledBlock ) { … … 430 434 } 431 435 432 bool isDefaultCase( const ptr<Stmt> & stmt ) {433 const CaseStmt * caseStmt = stmt.strict_as<CaseStmt>();436 bool isDefaultCase( const ast::ptr<ast::Stmt> & stmt ) { 437 const ast::CaseStmt * caseStmt = stmt.strict_as<ast::CaseStmt>(); 434 438 return caseStmt->isDefault(); 435 439 } 436 440 437 void MultiLevelExitCore::previsit( const SwitchStmt * stmt ) {438 Label label =newLabel( "switchBreak", stmt );439 auto it = find_if( stmt->stmts.rbegin(), stmt->stmts.rend(), isDefaultCase );440 441 const CaseStmt * defaultCase = it != stmt->stmts.rend()442 ? (it)->strict_as< CaseStmt>() : nullptr;443 Label defaultLabel = defaultCase444 ? newLabel( "fallThroughDefault", defaultCase )445 : Label( stmt->location, "" );441 void MultiLevelExitCore::previsit( const ast::SwitchStmt * stmt ) { 442 ast::Label label = LabelGenerator::newLabel( "switchBreak", stmt ); 443 auto it = std::find_if( stmt->stmts.rbegin(), stmt->stmts.rend(), isDefaultCase ); 444 445 const ast::CaseStmt * defaultCase = it != stmt->stmts.rend() 446 ? (it)->strict_as<ast::CaseStmt>() : nullptr; 447 ast::Label defaultLabel = defaultCase 448 ? LabelGenerator::newLabel( "fallThroughDefault", defaultCase ) 449 : ast::Label( stmt->location, "" ); 446 450 enclosing_control_structures.emplace_back( stmt, label, defaultLabel ); 447 451 GuardAction( [this]() { enclosing_control_structures.pop_back(); } ); 448 452 449 453 // Collect valid labels for fallthrough. It starts with all labels at 450 // this level, then remove as each is seen duringtraversal.451 for ( const Stmt * stmt : stmt->stmts ) {452 auto * caseStmt = strict_dynamic_cast< const CaseStmt * >( stmt );454 // this level, then removed as we see them in traversal. 455 for ( const ast::Stmt * stmt : stmt->stmts ) { 456 auto * caseStmt = strict_dynamic_cast< const ast::CaseStmt * >( stmt ); 453 457 if ( caseStmt->stmts.empty() ) continue; 454 auto block = caseStmt->stmts.front().strict_as< CompoundStmt>();455 for ( const Stmt * stmt : block->kids ) {456 for ( const Label & l : stmt->labels ) {458 auto block = caseStmt->stmts.front().strict_as<ast::CompoundStmt>(); 459 for ( const ast::Stmt * stmt : block->kids ) { 460 for ( const ast::Label & l : stmt->labels ) { 457 461 fallthrough_labels.insert( l ); 458 462 } … … 461 465 } 462 466 463 const SwitchStmt * MultiLevelExitCore::postvisit( constSwitchStmt * stmt ) {467 const ast::SwitchStmt * MultiLevelExitCore::postvisit( const ast::SwitchStmt * stmt ) { 464 468 assert( !enclosing_control_structures.empty() ); 465 469 Entry & entry = enclosing_control_structures.back(); 466 470 assert( entry.stmt == stmt ); 467 471 468 // Only run to generate the break label.472 // Only run if we need to generate the break label. 469 473 if ( entry.isBreakUsed() ) { 470 474 // To keep the switch statements uniform (all direct children of a 471 475 // SwitchStmt should be CastStmts), append the exit label and break 472 476 // to the last case, create a default case is there are no cases. 473 SwitchStmt * mutStmt =mutate( stmt );477 ast::SwitchStmt * mutStmt = ast::mutate( stmt ); 474 478 if ( mutStmt->stmts.empty() ) { 475 mutStmt->stmts.push_back( new CaseStmt(476 mutStmt->location, nullptr, {} ));477 } 478 479 auto caseStmt = mutStmt->stmts.back().strict_as< CaseStmt>();480 auto mutCase = mutate( caseStmt );479 mutStmt->stmts.push_back( new ast::CaseStmt( 480 mutStmt->location, nullptr, {} )); 481 } 482 483 auto caseStmt = mutStmt->stmts.back().strict_as<ast::CaseStmt>(); 484 auto mutCase = ast::mutate( caseStmt ); 481 485 mutStmt->stmts.back() = mutCase; 482 486 483 Label label( mutCase->location, "breakLabel" );484 auto branch = new BranchStmt( mutCase->location,BranchStmt::Break, label );487 ast::Label label( mutCase->location, "breakLabel" ); 488 auto branch = new ast::BranchStmt( mutCase->location, ast::BranchStmt::Break, label ); 485 489 branch->labels.push_back( entry.useBreakExit() ); 486 490 mutCase->stmts.push_back( branch ); … … 491 495 } 492 496 493 void MultiLevelExitCore::previsit( const ReturnStmt * stmt ) {497 void MultiLevelExitCore::previsit( const ast::ReturnStmt * stmt ) { 494 498 if ( inFinally ) { 495 499 SemanticError( stmt->location, "'return' may not appear in a finally clause" ); … … 497 501 } 498 502 499 void MultiLevelExitCore::previsit( const TryStmt * stmt ) {503 void MultiLevelExitCore::previsit( const ast::TryStmt * stmt ) { 500 504 bool isLabeled = !stmt->labels.empty(); 501 505 if ( isLabeled ) { 502 Label breakLabel =newLabel( "blockBreak", stmt );506 ast::Label breakLabel = LabelGenerator::newLabel( "blockBreak", stmt ); 503 507 enclosing_control_structures.emplace_back( stmt, breakLabel ); 504 508 GuardAction([this](){ enclosing_control_structures.pop_back(); } ); … … 506 510 } 507 511 508 void MultiLevelExitCore::postvisit( const TryStmt * stmt ) {512 void MultiLevelExitCore::postvisit( const ast::TryStmt * stmt ) { 509 513 bool isLabeled = !stmt->labels.empty(); 510 514 if ( isLabeled ) { … … 516 520 } 517 521 518 void MultiLevelExitCore::previsit( const FinallyStmt * ) {519 GuardAction([this, old = move(enclosing_control_structures)](){520 enclosing_control_structures =move(old);521 });522 enclosing_control_structures = vector<Entry>();522 void MultiLevelExitCore::previsit( const ast::FinallyStmt * ) { 523 GuardAction([this, old = std::move(enclosing_control_structures)](){ 524 enclosing_control_structures = std::move(old); 525 }); 526 enclosing_control_structures = std::vector<Entry>(); 523 527 GuardValue( inFinally ) = true; 524 528 } 525 529 526 const Stmt * MultiLevelExitCore::mutateLoop(527 constStmt * body, Entry & entry ) {530 const ast::Stmt * MultiLevelExitCore::mutateLoop( 531 const ast::Stmt * body, Entry & entry ) { 528 532 if ( entry.isBreakUsed() ) { 529 533 break_label = entry.useBreakExit(); … … 531 535 532 536 if ( entry.isContUsed() ) { 533 CompoundStmt * new_body = newCompoundStmt( body->location );537 ast::CompoundStmt * new_body = new ast::CompoundStmt( body->location ); 534 538 new_body->kids.push_back( body ); 535 539 new_body->kids.push_back( … … 545 549 // Remember is loop before going onto mutate the body. 546 550 // The labels will be folded in if they are used. 547 Label breakLabel =newLabel( "loopBreak", loopStmt );548 Label contLabel =newLabel( "loopContinue", loopStmt );551 ast::Label breakLabel = LabelGenerator::newLabel( "loopBreak", loopStmt ); 552 ast::Label contLabel = LabelGenerator::newLabel( "loopContinue", loopStmt ); 549 553 enclosing_control_structures.emplace_back( loopStmt, breakLabel, contLabel ); 550 554 GuardAction( [this](){ enclosing_control_structures.pop_back(); } ); … … 557 561 assert( entry.stmt == loopStmt ); 558 562 559 // Now check if the labels are used and add them if so.560 return mutate_field(563 // Now we check if the labels are used and add them if so. 564 return ast::mutate_field( 561 565 loopStmt, &LoopNode::body, mutateLoop( loopStmt->body, entry ) ); 562 566 } 563 567 564 list<ptr<Stmt>> MultiLevelExitCore::fixBlock(565 const list<ptr<Stmt>> & kids, bool is_case_clause ) {566 // Unfortunately cannot use automatic error collection.568 std::list<ast::ptr<ast::Stmt>> MultiLevelExitCore::fixBlock( 569 const std::list<ast::ptr<ast::Stmt>> & kids, bool is_case_clause ) { 570 // Unfortunately we can't use the automatic error collection. 567 571 SemanticErrorException errors; 568 572 569 list<ptr<Stmt>> ret;573 std::list<ast::ptr<ast::Stmt>> ret; 570 574 571 575 // Manually visit each child. 572 for ( const ptr<Stmt> & kid : kids ) {576 for ( const ast::ptr<ast::Stmt> & kid : kids ) { 573 577 if ( is_case_clause ) { 574 578 // Once a label is seen, it's no longer a valid for fallthrough. 575 for ( const Label & l : kid->labels ) {579 for ( const ast::Label & l : kid->labels ) { 576 580 fallthrough_labels.erase( l ); 577 581 } … … 587 591 ret.push_back( 588 592 labelledNullStmt( ret.back()->location, break_label ) ); 589 break_label = Label( CodeLocation(), "" );593 break_label = ast::Label( CodeLocation(), "" ); 590 594 } 591 595 } … … 597 601 } 598 602 599 const CompoundStmt * multiLevelExitUpdate( 600 const CompoundStmt * stmt, 601 const LabelToStmt & labelTable ) { 603 } // namespace 604 605 const ast::CompoundStmt * multiLevelExitUpdate( 606 const ast::CompoundStmt * stmt, 607 const LabelToStmt & labelTable ) { 602 608 // Must start in the body, so FunctionDecls can be a stopping point. 603 Pass<MultiLevelExitCore> visitor( labelTable );604 const CompoundStmt * ret = stmt->accept( visitor );609 ast::Pass<MultiLevelExitCore> visitor( labelTable ); 610 const ast::CompoundStmt * ret = stmt->accept( visitor ); 605 611 return ret; 606 612 } 613 607 614 } // namespace ControlStruct 608 615 -
src/ControlStruct/MultiLevelExit.hpp
r376c632a rf681823 9 9 // Author : Andrew Beach 10 10 // Created On : Mon Nov 1 13:49:00 2021 11 // Last Modified By : Peter A. Buhr12 // Last Modified On : Mon Jan 31 22:34:06 202213 // Update Count : 611 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Nov 8 10:53:00 2021 13 // Update Count : 3 14 14 // 15 15 … … 19 19 20 20 namespace ast { 21 class CompoundStmt;22 class Label;23 class Stmt;21 class CompoundStmt; 22 class Label; 23 class Stmt; 24 24 } 25 25 26 26 namespace ControlStruct { 27 27 28 using LabelToStmt = std::map<ast::Label, const ast::Stmt *>; 28 29 29 // Mutate a function body to handle multi-level exits. 30 const ast::CompoundStmt * multiLevelExitUpdate( const ast::CompoundStmt *, const LabelToStmt & ); 30 /// Mutate a function body to handle multi-level exits. 31 const ast::CompoundStmt * multiLevelExitUpdate( 32 const ast::CompoundStmt *, const LabelToStmt & ); 33 31 34 } 32 35 -
src/ControlStruct/module.mk
r376c632a rf681823 10 10 ## Author : Richard C. Bilson 11 11 ## Created On : Mon Jun 1 17:49:17 2015 12 ## Last Modified By : Peter A. Buhr13 ## Last Modified On : Sat Jan 29 12:04:19 202214 ## Update Count : 712 ## Last Modified By : Henry Xue 13 ## Last Modified On : Tue Jul 20 04:10:50 2021 14 ## Update Count : 5 15 15 ############################################################################### 16 16 … … 22 22 ControlStruct/ForExprMutator.cc \ 23 23 ControlStruct/ForExprMutator.h \ 24 ControlStruct/HoistControlDecls.cpp \25 ControlStruct/HoistControlDecls.hpp \26 24 ControlStruct/LabelFixer.cc \ 27 25 ControlStruct/LabelFixer.h \ 28 26 ControlStruct/LabelGenerator.cc \ 29 27 ControlStruct/LabelGenerator.h \ 30 ControlStruct/LabelGeneratorNew.cpp \31 ControlStruct/LabelGeneratorNew.hpp \32 28 ControlStruct/MLEMutator.cc \ 33 29 ControlStruct/MLEMutator.h \ -
src/InitTweak/InitTweak.cc
r376c632a rf681823 10 10 // Created On : Fri May 13 11:26:36 2016 11 11 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Dec 6 13:21:00 202113 // Update Count : 2012 // Last Modified On : Fri Nov 19 19:22:00 2021 13 // Update Count : 19 14 14 // 15 15 … … 1191 1191 } 1192 1192 1193 bool isAssignment( const ast::FunctionDecl * decl ) { 1194 return isAssignment( decl->name ) && isCopyFunction( decl ); 1195 } 1196 1197 bool isDestructor( const ast::FunctionDecl * decl ) { 1198 return isDestructor( decl->name ); 1199 } 1200 1201 bool isDefaultConstructor( const ast::FunctionDecl * decl ) { 1202 return isConstructor( decl->name ) && 1 == decl->params.size(); 1203 } 1204 1205 bool isCopyConstructor( const ast::FunctionDecl * decl ) { 1206 return isConstructor( decl->name ) && 2 == decl->params.size(); 1207 } 1208 1209 bool isCopyFunction( const ast::FunctionDecl * decl ) { 1210 const ast::FunctionType * ftype = decl->type; 1211 if ( ftype->params.size() != 2 ) return false; 1212 1213 const ast::Type * t1 = getPointerBase( ftype->params.front() ); 1214 if ( ! t1 ) return false; 1215 const ast::Type * t2 = ftype->params.back(); 1216 1217 return ResolvExpr::typesCompatibleIgnoreQualifiers( t1, t2, ast::SymbolTable{} ); 1218 } 1193 bool isCopyFunction( const ast::FunctionDecl * decl ) { 1194 const ast::FunctionType * ftype = decl->type; 1195 if ( ftype->params.size() != 2 ) return false; 1196 1197 const ast::Type * t1 = getPointerBase( ftype->params.front() ); 1198 if ( ! t1 ) return false; 1199 const ast::Type * t2 = ftype->params.back(); 1200 1201 return ResolvExpr::typesCompatibleIgnoreQualifiers( t1, t2, ast::SymbolTable{} ); 1202 } 1219 1203 1220 1204 const FunctionDecl * isAssignment( const Declaration * decl ) { -
src/InitTweak/InitTweak.h
r376c632a rf681823 10 10 // Created On : Fri May 13 11:26:36 2016 11 11 // Last Modified By : Andrew Beach 12 // Last Modified On : Mon Dec 6 13:20:00 202113 // Update Count : 812 // Last Modified On : Fri Nov 19 14:18:00 2021 13 // Update Count : 7 14 14 // 15 15 … … 31 31 const FunctionDecl * isCopyConstructor( const Declaration * decl ); 32 32 const FunctionDecl * isCopyFunction( const Declaration * decl, const std::string & fname ); 33 bool isAssignment( const ast::FunctionDecl * decl );34 bool isDestructor( const ast::FunctionDecl * decl );35 bool isDefaultConstructor( const ast::FunctionDecl * decl );36 bool isCopyConstructor( const ast::FunctionDecl * decl );37 33 bool isCopyFunction( const ast::FunctionDecl * decl ); 38 34 -
src/Parser/ParseNode.h
r376c632a rf681823 10 10 // Created On : Sat May 16 13:28:16 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sat Jan 29 09:45:56 202213 // Update Count : 90 112 // Last Modified On : Wed Jul 14 17:28:53 2021 13 // Update Count : 900 14 14 // 15 15 … … 390 390 Statement * build_expr( ExpressionNode * ctl ); 391 391 392 struct CondCtl {393 CondCtl( DeclarationNode * decl, ExpressionNode * condition ) :392 struct IfCtrl { 393 IfCtrl( DeclarationNode * decl, ExpressionNode * condition ) : 394 394 init( decl ? new StatementNode( decl ) : nullptr ), condition( condition ) {} 395 395 … … 409 409 }; 410 410 411 Expression * build_if_control( CondCtl * ctl, std::list< Statement * > & init );412 Statement * build_if( CondCtl * ctl, StatementNode * then_stmt, StatementNode * else_stmt );411 Expression * build_if_control( IfCtrl * ctl, std::list< Statement * > & init ); 412 Statement * build_if( IfCtrl * ctl, StatementNode * then_stmt, StatementNode * else_stmt ); 413 413 Statement * build_switch( bool isSwitch, ExpressionNode * ctl, StatementNode * stmt ); 414 414 Statement * build_case( ExpressionNode * ctl ); 415 415 Statement * build_default(); 416 Statement * build_while( CondCtl * ctl, StatementNode * stmt );416 Statement * build_while( IfCtrl * ctl, StatementNode * stmt ); 417 417 Statement * build_do_while( ExpressionNode * ctl, StatementNode * stmt ); 418 418 Statement * build_for( ForCtrl * forctl, StatementNode * stmt ); -
src/Parser/StatementNode.cc
r376c632a rf681823 10 10 // Created On : Sat May 16 14:59:41 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sat Jan 29 09:45:51 202213 // Update Count : 38 412 // Last Modified On : Sat Oct 24 04:20:55 2020 13 // Update Count : 383 14 14 // 15 15 … … 78 78 } // build_expr 79 79 80 Expression * build_if_control( CondCtl * ctl, std::list< Statement * > & init ) {80 Expression * build_if_control( IfCtrl * ctl, std::list< Statement * > & init ) { 81 81 if ( ctl->init != 0 ) { 82 82 buildMoveList( ctl->init, init ); … … 100 100 } // build_if_control 101 101 102 Statement * build_if( CondCtl * ctl, StatementNode * then_stmt, StatementNode * else_stmt ) {102 Statement * build_if( IfCtrl * ctl, StatementNode * then_stmt, StatementNode * else_stmt ) { 103 103 Statement * thenb, * elseb = nullptr; 104 104 std::list< Statement * > branches; … … 145 145 } // build_default 146 146 147 Statement * build_while( CondCtl * ctl, StatementNode * stmt ) {147 Statement * build_while( IfCtrl * ctl, StatementNode * stmt ) { 148 148 std::list< Statement * > branches; 149 149 buildMoveList< Statement, StatementNode >( stmt, branches ); -
src/Parser/parser.yy
r376c632a rf681823 10 10 // Created On : Sat Sep 1 20:22:55 2001 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sun Jan 30 09:41:13 202213 // Update Count : 516 512 // Last Modified On : Fri Oct 15 09:20:17 2021 13 // Update Count : 5163 14 14 // 15 15 … … 238 238 WaitForStmt * wfs; 239 239 Expression * constant; 240 CondCtl * ifctl;240 IfCtrl * ifctl; 241 241 ForCtrl * fctl; 242 242 enum OperKinds compop; … … 327 327 %type<en> comma_expression comma_expression_opt 328 328 %type<en> argument_expression_list_opt argument_expression_list argument_expression default_initializer_opt 329 %type<ifctl> conditional_declaration329 %type<ifctl> if_control_expression 330 330 %type<fctl> for_control_expression for_control_expression_list 331 331 %type<compop> inclexcl … … 1123 1123 1124 1124 if_statement: 1125 IF '(' conditional_declaration ')' statement%prec THEN1125 IF '(' if_control_expression ')' statement %prec THEN 1126 1126 // explicitly deal with the shift/reduce conflict on if/else 1127 1127 { $$ = new StatementNode( build_if( $3, maybe_build_compound( $5 ), nullptr ) ); } 1128 | IF '(' conditional_declaration ')' statement ELSE statement1128 | IF '(' if_control_expression ')' statement ELSE statement 1129 1129 { $$ = new StatementNode( build_if( $3, maybe_build_compound( $5 ), maybe_build_compound( $7 ) ) ); } 1130 1130 ; 1131 1131 1132 conditional_declaration:1132 if_control_expression: 1133 1133 comma_expression 1134 { $$ = new CondCtl( nullptr, $1 ); }1134 { $$ = new IfCtrl( nullptr, $1 ); } 1135 1135 | c_declaration // no semi-colon 1136 { $$ = new CondCtl( $1, nullptr ); }1136 { $$ = new IfCtrl( $1, nullptr ); } 1137 1137 | cfa_declaration // no semi-colon 1138 { $$ = new CondCtl( $1, nullptr ); }1138 { $$ = new IfCtrl( $1, nullptr ); } 1139 1139 | declaration comma_expression // semi-colon separated 1140 { $$ = new CondCtl( $1, $2 ); }1140 { $$ = new IfCtrl( $1, $2 ); } 1141 1141 ; 1142 1142 … … 1193 1193 iteration_statement: 1194 1194 WHILE '(' ')' statement // CFA => while ( 1 ) 1195 { $$ = new StatementNode( build_while( new CondCtl( nullptr, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ), maybe_build_compound( $4 ) ) ); }1196 | WHILE '(' conditional_declaration ')' statement%prec THEN1195 { $$ = new StatementNode( build_while( new IfCtrl( nullptr, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ), maybe_build_compound( $4 ) ) ); } 1196 | WHILE '(' if_control_expression ')' statement %prec THEN 1197 1197 { $$ = new StatementNode( build_while( $3, maybe_build_compound( $5 ) ) ); } 1198 | WHILE '(' conditional_declaration ')' statement ELSE statement // CFA1198 | WHILE '(' if_control_expression ')' statement ELSE statement // CFA 1199 1199 { SemanticError( yylloc, "Loop default block is currently unimplemented." ); $$ = nullptr; } 1200 1200 | DO statement WHILE '(' ')' ';' // CFA => do while( 1 ) -
src/SymTab/Validate.cc
r376c632a rf681823 453 453 } 454 454 455 void decayForallPointers( std::list< Declaration * > & translationUnit ) {456 PassVisitor<ForallPointerDecay_old> fpd;457 acceptAll( translationUnit, fpd );458 }459 460 455 void validate( std::list< Declaration * > &translationUnit, __attribute__((unused)) bool doDebug ) { 461 456 validate_A( translationUnit ); … … 475 470 type->accept( fpd ); 476 471 } 472 477 473 478 474 void HoistTypeDecls::handleType( Type * type ) { -
src/SymTab/Validate.h
r376c632a rf681823 42 42 void validate_E( std::list< Declaration * > &translationUnit ); 43 43 void validate_F( std::list< Declaration * > &translationUnit ); 44 void decayForallPointers( std::list< Declaration * > & translationUnit );45 44 46 45 const ast::Type * validateType( -
src/Validate/module.mk
r376c632a rf681823 16 16 17 17 SRC_VALIDATE = \ 18 Validate/Autogen.cpp \19 Validate/Autogen.hpp \20 18 Validate/CompoundLiteral.cpp \ 21 19 Validate/CompoundLiteral.hpp \ -
src/main.cc
r376c632a rf681823 10 10 // Created On : Fri May 15 23:12:02 2015 11 11 // Last Modified By : Andrew Beach 12 // Last Modified On : Wed Jan 26 14:09:00 202213 // Update Count : 6 7012 // Last Modified On : Tue Nov 30 10:25:00 2021 13 // Update Count : 659 14 14 // 15 15 … … 55 55 #include "ControlStruct/ExceptTranslate.h" // for translateEHM 56 56 #include "ControlStruct/FixLabels.hpp" // for fixLabels 57 #include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls58 57 #include "ControlStruct/Mutate.h" // for mutate 59 58 #include "GenPoly/Box.h" // for box … … 74 73 #include "SynTree/Visitor.h" // for acceptAll 75 74 #include "Tuples/Tuples.h" // for expandMemberTuples, expan... 76 #include "Validate/Autogen.hpp" // for autogenerateRoutines77 75 #include "Validate/FindSpecialDecls.h" // for findGlobalDecls 78 76 #include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals … … 80 78 #include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses 81 79 #include "Virtual/ExpandCasts.h" // for expandCasts 80 82 81 83 82 static void NewPass( const char * const name ) { … … 327 326 PASS( "Validate-B", SymTab::validate_B( translationUnit ) ); 328 327 PASS( "Validate-C", SymTab::validate_C( translationUnit ) ); 328 PASS( "Validate-D", SymTab::validate_D( translationUnit ) ); 329 329 330 330 CodeTools::fillLocations( translationUnit ); 331 331 332 332 if( useNewAST ) { 333 PASS( "Apply Concurrent Keywords", Concurrency::applyKeywords( translationUnit ) );334 PASS( "Forall Pointer Decay", SymTab::decayForallPointers( translationUnit ) );335 CodeTools::fillLocations( translationUnit );336 337 333 if (Stats::Counters::enabled) { 338 334 ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New"); … … 342 338 343 339 forceFillCodeLocations( transUnit ); 344 345 // Must happen before autogen routines are added.346 PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls( transUnit ) );347 348 // Must be after enum and pointer decay.349 // Must be before compound literals.350 PASS( "Generate Autogen Routines", Validate::autogenerateRoutines( transUnit ) );351 340 352 341 PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) ); … … 417 406 translationUnit = convert( move( transUnit ) ); 418 407 } else { 419 PASS( "Validate-D", SymTab::validate_D( translationUnit ) );420 408 PASS( "Validate-E", SymTab::validate_E( translationUnit ) ); 421 409 PASS( "Validate-F", SymTab::validate_F( translationUnit ) ); -
tests/concurrent/preempt.cfa
r376c632a rf681823 1 #include <clock.hfa>2 1 #include <fstream.hfa> 3 2 #include <kernel.hfa> … … 19 18 #else 20 19 static const unsigned long N = 500ul; 21 static volatile Time prev;22 static Duration preempt_durations[6] = { 0 };23 20 #endif 24 21 … … 29 26 thread worker_t { 30 27 int value; 31 unsigned long longspin;28 unsigned spin; 32 29 }; 33 30 … … 39 36 void main(worker_t & this) { 40 37 while(TEST(counter < N)) { 41 if(this.spin > 50_000_000_000) abort | "Worker" | this.value | "has been spinning too long! (" | this.spin | ")";38 if(this.spin > 100_000_000) abort | "Worker" | this.value | "has been spinning too long! (" | this.spin | ")"; 42 39 __cfaabi_check_preemption(); 43 40 if( (counter % 7) == this.value ) { 44 41 __cfaabi_check_preemption(); 45 #if !defined(TEST_LONG)46 Time now = timeHiRes();47 Duration diff = now - prev;48 prev = now;49 #endif50 42 int next = __atomic_add_fetch( &counter, 1, __ATOMIC_SEQ_CST ); 51 43 __cfaabi_check_preemption(); 52 if( (next % 100) == 0 ) { 53 #if !defined(TEST_LONG) 54 unsigned idx = next / 100; 55 if (idx >= 6) abort | "Idx from next is invalid: " | idx | "vs" | next; 56 preempt_durations[idx] = diff; 57 if(diff > 12`s) serr | "Duration suspiciously large:" | diff; 58 #endif 59 printf("%d\n", (int)next); 60 61 } 44 if( (next % 100) == 0 ) printf("%d\n", (int)next); 62 45 __cfaabi_check_preemption(); 63 46 this.spin = 0; … … 72 55 processor p; 73 56 { 74 prev = timeHiRes();75 57 worker_t w0 = 0; 76 58 worker_t w1 = 1;
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