source: src/main.cc@ dd3baf4

ast-experimental
Last change on this file since dd3baf4 was bccd70a, checked in by Andrew Beach <ajbeach@…>, 2 years ago

Removed internal code from TypeSubstitution header. It caused a chain of include problems, which have been corrected.
  • Property mode set to 100644
File size: 28.7 KB
RevLine 
[b87a5ed]1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[71f4e4f]7// main.cc --
[b87a5ed]8//
[3e96559]9// Author : Peter Buhr and Rob Schluntz
[b87a5ed]10// Created On : Fri May 15 23:12:02 2015
[372b6d3]11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon Apr 10 21:12:17 2023
13// Update Count : 682
[b87a5ed]14//
15
[bf2438c]16#include <cxxabi.h> // for __cxa_demangle
17#include <execinfo.h> // for backtrace, backtrace_symbols
18#include <getopt.h> // for no_argument, optind, geto...
[08fc48f]19#include <cassert> // for assertf
[bf2438c]20#include <cstdio> // for fopen, FILE, fclose, stdin
21#include <cstdlib> // for exit, free, abort, EXIT_F...
[bffcd66]22#include <csignal> // for signal, SIGABRT, SIGSEGV
[bf2438c]23#include <cstring> // for index
[be9288a]24#include <fstream> // for ofstream
[bf2438c]25#include <iostream> // for operator<<, basic_ostream
[62ce290]26#include <iomanip>
[bf2438c]27#include <iterator> // for back_inserter
28#include <list> // for list
[08fc48f]29#include <string> // for char_traits, operator<<
[e6955b1]30
[bffcd66]31using namespace std;
32
[9ea38de]33#include "AST/Convert.hpp"
[bccd70a]34#include "AST/Pass.hpp" // for pass_visitor_stats
35#include "AST/TranslationUnit.hpp" // for TranslationUnit
[52f9804]36#include "AST/Util.hpp" // for checkInvariants
[7f38b67a]37#include "CompilationState.h"
[bf2438c]38#include "../config.h" // for CFA_LIBDIR
39#include "CodeGen/FixMain.h" // for FixMain
40#include "CodeGen/FixNames.h" // for fixNames
41#include "CodeGen/Generate.h" // for generate
[aff7e86]42#include "CodeGen/LinkOnce.h" // for translateLinkOnce
[bf2438c]43#include "CodeTools/TrackLoc.h" // for fillLocations
[f57faf6f]44#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[55cbff8]45#include "Common/DeclStats.hpp" // for printDeclStats
46#include "Common/ResolvProtoDump.hpp" // for dumpAsResolverProto
[09366b8]47#include "Common/Stats.h" // for Stats
[bf2438c]48#include "Common/utility.h" // for deleteAll, filter, printAll
[3dd8f42]49#include "Concurrency/Actors.hpp" // for implementActors
[2cf3b87]50#include "Concurrency/Keywords.h" // for implementMutex, implement...
[9f5ecf5]51#include "Concurrency/Waitfor.h" // for generateWaitfor
[c86b08d]52#include "Concurrency/Waituntil.hpp" // for generateWaitUntil
[0c730d9]53#include "ControlStruct/ExceptDecl.h" // for translateExcept
[09366b8]54#include "ControlStruct/ExceptTranslate.h" // for translateThrows, translat...
[b8ab91a]55#include "ControlStruct/FixLabels.hpp" // for fixLabels
[a488783]56#include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls
[bf2438c]57#include "GenPoly/Box.h" // for box
58#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
59#include "GenPoly/Lvalue.h" // for convertLvalue
60#include "GenPoly/Specialize.h" // for convertSpecializations
61#include "InitTweak/FixInit.h" // for fix
62#include "InitTweak/GenInit.h" // for genInit
63#include "MakeLibCfa.h" // for makeLibCfa
[cbd1ba8]64#include "Parser/RunParser.hpp" // for buildList, dumpParseTree,...
[1622af5]65#include "ResolvExpr/CandidatePrinter.hpp" // for printCandidates
[bf2438c]66#include "ResolvExpr/Resolver.h" // for resolve
[bffcd66]67#include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic
[bf2438c]68#include "SynTree/Declaration.h" // for Declaration
69#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a488783]70#include "Validate/Autogen.hpp" // for autogenerateRoutines
[298fe57]71#include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals
72#include "Validate/EliminateTypedef.hpp" // for eliminateTypedef
[1931bb01]73#include "Validate/EnumAndPointerDecay.hpp" // for decayEnumsAndPointers
[ce36b55]74#include "Validate/FindSpecialDecls.h" // for findGlobalDecls
[298fe57]75#include "Validate/FixQualifiedTypes.hpp" // for fixQualifiedTypes
[1931bb01]76#include "Validate/FixReturnTypes.hpp" // for fixReturnTypes
[9490621]77#include "Validate/ForallPointerDecay.hpp" // for decayForallPointers
[298fe57]78#include "Validate/GenericParameter.hpp" // for fillGenericParameters, tr...
79#include "Validate/HoistStruct.hpp" // for hoistStruct
[1931bb01]80#include "Validate/HoistTypeDecls.hpp" // for hoistTypeDecls
[ce36b55]81#include "Validate/InitializerLength.hpp" // for setLengthFromInitializer
82#include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses
[72e76fd]83#include "Validate/LinkReferenceToTypes.hpp" // for linkReferenceToTypes
[1931bb01]84#include "Validate/ReplaceTypedef.hpp" // for replaceTypedef
[4ec9513]85#include "Validate/ReturnCheck.hpp" // for checkReturnStatements
[1931bb01]86#include "Validate/VerifyCtorDtorAssign.hpp" // for verifyCtorDtorAssign
[a5f0529]87#include "Virtual/ExpandCasts.h" // for expandCasts
[3830c84]88#include "Virtual/VirtualDtor.hpp" // for implementVirtDtors
[51b73452]89
[3e96559]90static void NewPass( const char * const name ) {
91 Stats::Heap::newPass( name );
[1cb7fab2]92 using namespace Stats::Counters;
[b8665e3]93 {
[3e96559]94 static auto group = build<CounterGroup>( "Pass Visitor" );
95 auto pass = build<CounterGroup>( name, group );
[b8665e3]96 pass_visitor_stats.depth = 0;
[3e96559]97 pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
98 pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]99 }
100 {
[3e96559]101 static auto group = build<CounterGroup>( "Syntax Node" );
102 auto pass = build<CounterGroup>( name, group );
103 BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]104 }
[675716e]105}
106
[52f9804]107// Helpers for checkInvariant:
108void checkInvariants( std::list< Declaration * > & ) {}
109using ast::checkInvariants;
110
111#define PASS( name, pass, unit, ... ) \
[ecaeac6e]112 if ( errorp ) { cerr << name << endl; } \
[675716e]113 NewPass(name); \
[4f97937]114 Stats::Time::StartBlock(name); \
[52f9804]115 pass(unit,##__VA_ARGS__); \
116 Stats::Time::StopBlock(); \
117 if ( invariant ) { \
118 checkInvariants(unit); \
119 }
120
121#define DUMP( cond, unit ) \
122 if ( cond ) { \
123 dump(unit); \
124 return EXIT_SUCCESS; \
125 }
[0da3e2c]126
[ef22ad6]127static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]128
[bffcd66]129static string PreludeDirector = "";
[4dcaed2]130
[77d601f]131static void parse_cmdline( int argc, char * argv[] );
[e6955b1]132static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]133static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]134
[0afffee]135static void backtrace( int start ) { // skip first N stack frames
[74330e7]136 enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]137 void * array[Frames];
[74330e7]138 size_t size = ::backtrace( array, Frames );
[0afffee]139 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
140
141 *index( messages[0], '(' ) = '\0'; // find executable name
142 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]143
[b542bfb]144 // skip last 2 stack frames after main
[74330e7]145 for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]146 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]147
148 for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]149 if ( *p == '(' ) {
[46f6134]150 mangled_name = p;
[0afffee]151 } else if ( *p == '+' ) {
[e6955b1]152 offset_begin = p;
[0afffee]153 } else if ( *p == ')' ) {
[e6955b1]154 offset_end = p;
155 break;
156 } // if
157 } // for
158
159 // if line contains symbol, attempt to demangle
[b542bfb]160 int frameNo = i - start;
[e6955b1]161 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]162 *mangled_name++ = '\0'; // delimit strings
[e6955b1]163 *offset_begin++ = '\0';
164 *offset_end++ = '\0';
165
[0afffee]166 int status;
[e6955b1]167 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]168 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]169 if ( status == 0 ) { // demangling successful ?
[b542bfb]170 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]171 << real_name << "+" << offset_begin << offset_end << endl;
172 } else { // otherwise, output mangled name
[b542bfb]173 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]174 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]175 } // if
[0afffee]176
[e6955b1]177 free( real_name );
178 } else { // otherwise, print the whole line
[b542bfb]179 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]180 } // if
181 } // for
[b542bfb]182
[e6955b1]183 free( messages );
[b542bfb]184} // backtrace
185
[bffcd66]186#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
187
[1f68d5d]188static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]189 act.sa_flags = flags;
190
191 if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]192 cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]193 _exit( EXIT_FAILURE );
194 } // if
[1f68d5d]195}
196
197static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
198 struct sigaction act;
199 act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
200 _Signal(act, sig, flags);
201} // Signal
202
203static void Signal( int sig, void (* handler)(int), int flags ) {
204 struct sigaction act;
205 act.sa_handler = handler;
206 _Signal(act, sig, flags);
[bffcd66]207} // Signal
208
209static void sigSegvBusHandler( SIGPARMS ) {
210 if ( sfp->si_addr == nullptr ) {
211 cerr << "Null pointer (nullptr) dereference." << endl;
212 } else {
213 cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
214 << "Possible cause is reading outside the address space or writing to a protected area within the address space with an invalid pointer or subscript." << endl;
215 } // if
[b542bfb]216 backtrace( 2 ); // skip first 2 stack frames
[3e96559]217 abort(); // cause core dump for debugging
[e6955b1]218} // sigSegvBusHandler
[0da3e2c]219
[74330e7]220static void sigFpeHandler( SIGPARMS ) {
221 const char * msg;
222
223 switch ( sfp->si_code ) {
224 case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
225 case FPE_FLTOVF: msg = "overflow"; break;
226 case FPE_FLTUND: msg = "underflow"; break;
227 case FPE_FLTRES: msg = "inexact result"; break;
228 case FPE_FLTINV: msg = "invalid operation"; break;
229 default: msg = "unknown";
230 } // choose
231 cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
232 << "Possible cause is constant-expression evaluation invalid." << endl;
233 backtrace( 2 ); // skip first 2 stack frames
234 abort(); // cause core dump for debugging
235} // sigFpeHandler
236
[bffcd66]237static void sigAbortHandler( SIGPARMS ) {
[b542bfb]238 backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]239 Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]240 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]241} // sigAbortHandler
242
[cbaee0d]243int main( int argc, char * argv[] ) {
[3b8e52c]244 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]245 ostream * output = & cout;
[e6955b1]246 list< Declaration * > translationUnit;
[64b3cda]247 ast::TranslationUnit transUnit;
[e6955b1]248
[bffcd66]249 Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
250 Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]251 Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]252 Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]253
[bffcd66]254 // cout << "main" << endl;
[44bca7f]255 // for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]256 // cout << '\t' << argv[i] << endl;
[44bca7f]257 // } // for
258
[e0bd0f9]259 parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]260 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]261
[ef22ad6]262 if ( waiting_for_gdb ) {
[bffcd66]263 cerr << "Waiting for gdb" << endl;
264 cerr << "run :" << endl;
265 cerr << " gdb attach " << getpid() << endl;
[dee1f89]266 raise(SIGSTOP);
[ef22ad6]267 } // if
[dee1f89]268
[b87a5ed]269 try {
[81419b5]270 // choose to read the program from a file or stdin
[3b8e52c]271 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]272 input = fopen( argv[ optind ], "r" );
[e0bd0f9]273 assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]274 optind += 1;
[3b8e52c]275 } else { // no input file name
[b87a5ed]276 input = stdin;
277 } // if
278
[79eaeb7]279 Stats::Time::StartGlobal();
[3c0d4cd]280 NewPass("Parse");
281 Stats::Time::StartBlock("Parse");
[675716e]282
[159c62e]283 // read in the builtins, extras, and the prelude
[de62360d]284 if ( ! nopreludep ) { // include gcc builtins
[faf8857]285 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]286
[37fe352]287 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]288
[807ce84]289 // Read to gcc builtins, if not generating the cfa library
[37fe352]290 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]291 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
[f2f595d7]292 parse( gcc_builtins, ast::Linkage::Compiler );
[81419b5]293
[159c62e]294 // read the extra prelude in, if not generating the cfa library
[37fe352]295 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]296 assertf( extras, "cannot open extras.cf\n" );
[f2f595d7]297 parse( extras, ast::Linkage::BuiltinC );
[159c62e]298
[81419b5]299 if ( ! libcfap ) {
[faf8857]300 // read the prelude in, if not generating the cfa library
[e523b07]301 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
302 assertf( prelude, "cannot open prelude.cfa\n" );
[f2f595d7]303 parse( prelude, ast::Linkage::Intrinsic );
[fa4805f]304
305 // Read to cfa builtins, if not generating the cfa library
[37fe352]306 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]307 assertf( builtins, "cannot open builtins.cf\n" );
[f2f595d7]308 parse( builtins, ast::Linkage::BuiltinCFA );
[b87a5ed]309 } // if
310 } // if
[81419b5]311
[f2f595d7]312 parse( input, libcfap ? ast::Linkage::Intrinsic : ast::Linkage::Cforall, yydebug );
[71f4e4f]313
[64b3cda]314 transUnit = buildUnit();
[b87a5ed]315
[52f9804]316 DUMP( astp, std::move( transUnit ) );
[b87a5ed]317
[3c0d4cd]318 Stats::Time::StopBlock();
[036dd5f]319
[09366b8]320 if (Stats::Counters::enabled) {
321 ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New");
322 ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New");
323 }
[b507dcd]324
[52f9804]325 PASS( "Hoist Type Decls", Validate::hoistTypeDecls, transUnit );
326
327 PASS( "Translate Exception Declarations", ControlStruct::translateExcept, transUnit );
328 DUMP( exdeclp, std::move( transUnit ) );
329 PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign, transUnit );
330 PASS( "Replace Typedefs", Validate::replaceTypedef, transUnit );
331 PASS( "Fix Return Types", Validate::fixReturnTypes, transUnit );
332 PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers, transUnit );
333
334 PASS( "Link Reference To Types", Validate::linkReferenceToTypes, transUnit );
335
336 PASS( "Fix Qualified Types", Validate::fixQualifiedTypes, transUnit );
337 PASS( "Hoist Struct", Validate::hoistStruct, transUnit );
338 PASS( "Eliminate Typedef", Validate::eliminateTypedef, transUnit );
339 PASS( "Validate Generic Parameters", Validate::fillGenericParameters, transUnit );
340 PASS( "Translate Dimensions", Validate::translateDimensionParameters, transUnit );
341 PASS( "Check Function Returns", Validate::checkReturnStatements, transUnit );
342 PASS( "Fix Return Statements", InitTweak::fixReturnStatements, transUnit );
343 PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords, transUnit );
344 PASS( "Forall Pointer Decay", Validate::decayForallPointers, transUnit );
[6e1e2d0]345 PASS( "Implement Waituntil", Concurrency::generateWaitUntil, transUnit );
[52f9804]346 PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls, transUnit );
347
348 PASS( "Generate Autogen Routines", Validate::autogenerateRoutines, transUnit );
349
350 PASS( "Implement Actors", Concurrency::implementActors, transUnit );
351 PASS( "Implement Virtual Destructors", Virtual::implementVirtDtors, transUnit );
352 PASS( "Implement Mutex", Concurrency::implementMutex, transUnit );
353 PASS( "Implement Thread Start", Concurrency::implementThreadStarter, transUnit );
354 PASS( "Compound Literal", Validate::handleCompoundLiterals, transUnit );
355 PASS( "Set Length From Initializer", Validate::setLengthFromInitializer, transUnit );
356 PASS( "Find Global Decls", Validate::findGlobalDecls, transUnit );
357 PASS( "Fix Label Address", Validate::fixLabelAddresses, transUnit );
[09366b8]358
359 if ( symtabp ) {
360 return EXIT_SUCCESS;
361 } // if
[ccbc65c]362
[09366b8]363 if ( expraltp ) {
364 ResolvExpr::printCandidates( transUnit );
365 return EXIT_SUCCESS;
366 } // if
[3606fe4]367
[52f9804]368 DUMP( validp, std::move( transUnit ) );
[6a896b0]369
[52f9804]370 PASS( "Translate Throws", ControlStruct::translateThrows, transUnit );
371 PASS( "Fix Labels", ControlStruct::fixLabels, transUnit );
372 PASS( "Fix Names", CodeGen::fixNames, transUnit );
373 PASS( "Gen Init", InitTweak::genInit, transUnit );
374 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples, transUnit );
[ce36b55]375
[09366b8]376 if ( libcfap ) {
377 // Generate the bodies of cfa library functions.
378 LibCfa::makeLibCfa( transUnit );
379 } // if
[1622af5]380
[09366b8]381 if ( declstatsp ) {
382 printDeclStats( transUnit );
383 return EXIT_SUCCESS;
384 } // if
[1622af5]385
[52f9804]386 DUMP( bresolvep, std::move( transUnit ) );
[1622af5]387
[09366b8]388 if ( resolvprotop ) {
389 dumpAsResolverProto( transUnit );
390 return EXIT_SUCCESS;
391 } // if
[9f5a19fa]392
[52f9804]393 PASS( "Resolve", ResolvExpr::resolve, transUnit );
394 DUMP( exprp, std::move( transUnit ) );
[68fe946e]395
[52f9804]396 PASS( "Fix Init", InitTweak::fix, transUnit, buildingLibrary() );
[68fe946e]397
[09366b8]398 // fix ObjectDecl - replaces ConstructorInit nodes
[52f9804]399 DUMP( ctorinitp, std::move( transUnit ) );
[68fe946e]400
[09366b8]401 // Currently not working due to unresolved issues with UniqueExpr
[52f9804]402 PASS( "Expand Unique Expr", Tuples::expandUniqueExpr, transUnit ); // xxx - is this the right place for this? want to expand ASAP so tha, sequent passes don't need to worry about double-visiting a unique expr - needs to go after InitTweak::fix so that copy constructed return declarations are reused
[68fe946e]403
[52f9804]404 PASS( "Translate Tries", ControlStruct::translateTries, transUnit );
405 PASS( "Gen Waitfor", Concurrency::generateWaitFor, transUnit );
[4615ac8]406
[09366b8]407 // Needs to happen before tuple types are expanded.
[52f9804]408 PASS( "Convert Specializations", GenPoly::convertSpecializations, transUnit );
[81419b5]409
[52f9804]410 PASS( "Expand Tuples", Tuples::expandTuples, transUnit );
411 DUMP( tuplep, std::move( transUnit ) );
[626dbc10]412
[09366b8]413 // Must come after Translate Tries.
[52f9804]414 PASS( "Virtual Expand Casts", Virtual::expandCasts, transUnit );
[141b786]415
[52f9804]416 PASS( "Instantiate Generics", GenPoly::instantiateGeneric, transUnit );
417 DUMP( genericsp, std::move( transUnit ) );
[b4f8808]418
[52f9804]419 PASS( "Convert L-Value", GenPoly::convertLvalue, transUnit );
[7fffb1b]420
421 translationUnit = convert( std::move( transUnit ) );
[53d3ab4b]422
[52f9804]423 DUMP( bboxp, translationUnit );
424 PASS( "Box", GenPoly::box, translationUnit );
[81419b5]425
[52f9804]426 PASS( "Link-Once", CodeGen::translateLinkOnce, translationUnit );
[aff7e86]427
428 // Code has been lowered to C, now we can start generation.
429
[52f9804]430 DUMP( bcodegenp, translationUnit );
[8905f56]431
[13de47bc]432 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
433 output = new ofstream( argv[ optind ] );
434 } // if
[0270824]435
[7b15d7a]436 CodeTools::fillLocations( translationUnit );
[52f9804]437 PASS( "Code Gen", CodeGen::generate, translationUnit, *output, ! genproto, prettycodegenp, true, linemarks );
[0270824]438
[8e48fca4]439 CodeGen::FixMain::fix( translationUnit, *output,
440 (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]441 if ( output != &cout ) {
[b87a5ed]442 delete output;
443 } // if
[77d601f]444 } catch ( SemanticErrorException & e ) {
[b87a5ed]445 if ( errorp ) {
[e6955b1]446 cerr << "---AST at error:---" << endl;
[64b3cda]447 // We check which section the errors came from without looking at
448 // transUnit because std::move means it could look like anything.
449 if ( !translationUnit.empty() ) {
450 dump( translationUnit, cerr );
451 } else {
452 dump( std::move( transUnit ), cerr );
453 }
[e6955b1]454 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]455 } // if
[d55d7a6]456 e.print();
[e6955b1]457 if ( output != &cout ) {
[b87a5ed]458 delete output;
459 } // if
[3e96559]460 return EXIT_FAILURE;
[77d601f]461 } catch ( std::bad_alloc & ) {
462 cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl;
463 backtrace( 1 );
464 abort();
[3e96559]465 } catch ( ... ) {
[bffcd66]466 exception_ptr eptr = current_exception();
[4990812]467 try {
468 if (eptr) {
[bffcd66]469 rethrow_exception(eptr);
[3e96559]470 } else {
[77d601f]471 cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl;
[3e96559]472 } // if
[77d601f]473 } catch( const exception & e ) {
474 cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n";
[3e96559]475 } // try
476 return EXIT_FAILURE;
477 } // try
[b87a5ed]478
[39786813]479 deleteAll( translationUnit );
[1cb7fab2]480 Stats::print();
[3e96559]481 return EXIT_SUCCESS;
[d9a0e76]482} // main
[51b73452]483
[0da3e2c]484
[372b6d3]485static const char optstring[] = ":c:ghilLmNnpdP:S:twW:D:";
[3e96559]486
[62ce290]487enum { PreludeDir = 128 };
[3e96559]488static struct option long_opts[] = {
[1a69a90]489 { "colors", required_argument, nullptr, 'c' },
490 { "gdb", no_argument, nullptr, 'g' },
[3e96559]491 { "help", no_argument, nullptr, 'h' },
[372b6d3]492 { "invariant", no_argument, nullptr, 'i' },
[3e96559]493 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]494 { "linemarks", no_argument, nullptr, 'L' },
[372b6d3]495 { "no-main", no_argument, nullptr, 'm' },
[62ce290]496 { "no-linemarks", no_argument, nullptr, 'N' },
497 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]498 { "prototypes", no_argument, nullptr, 'p' },
[7215000]499 { "deterministic-out", no_argument, nullptr, 'd' },
[62ce290]500 { "print", required_argument, nullptr, 'P' },
501 { "prelude-dir", required_argument, nullptr, PreludeDir },
502 { "statistics", required_argument, nullptr, 'S' },
[3e96559]503 { "tree", no_argument, nullptr, 't' },
504 { "", no_argument, nullptr, 0 }, // -w
505 { "", no_argument, nullptr, 0 }, // -W
506 { "", no_argument, nullptr, 0 }, // -D
507 { nullptr, 0, nullptr, 0 }
508}; // long_opts
509
510static const char * description[] = {
[aa88cb9a]511 "diagnostic color: never, always, auto", // -c
[3e9de01]512 "wait for gdb to attach", // -g
[aa88cb9a]513 "print translator help message", // -h
[372b6d3]514 "invariant checking during AST passes", // -i
[3e9de01]515 "generate libcfa.c", // -l
516 "generate line marks", // -L
517 "do not replace main", // -m
518 "do not generate line marks", // -N
519 "do not read prelude", // -n
[aa88cb9a]520 "do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]521 "only print deterministic output", // -d
522 "print", // -P
[62ce290]523 "<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]524 "<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]525 "building cfa standard lib", // -t
526 "", // -w
527 "", // -W
528 "", // -D
[3e96559]529}; // description
530
[0c0f548]531static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]532
533static struct Printopts {
534 const char * name;
535 int & flag;
536 int val;
537 const char * descript;
538} printopts[] = {
[0e464f6]539 { "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
540 { "asterr", errorp, true, "print AST on error" },
[62ce290]541 { "declstats", declstatsp, true, "code property statistics" },
542 { "parse", yydebug, true, "yacc (parsing) debug information" },
543 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
544 { "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]545 { "rsteps", resolvep, true, "print resolver steps" },
546 // code dumps
547 { "ast", astp, true, "print AST after parsing" },
[00da199]548 { "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]549 { "symevt", symtabp, true, "print AST after symbol table events" },
550 { "altexpr", expraltp, true, "print alternatives for expressions" },
551 { "astdecl", validp, true, "print AST after declaration validation pass" },
552 { "resolver", bresolvep, true, "print AST before resolver step" },
553 { "astexpr", exprp, true, "print AST after expression analysis" },
554 { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
555 { "tuple", tuplep, true, "print AST after tuple expansion" },
556 { "astgen", genericsp, true, "print AST after instantiate generics" },
557 { "box", bboxp, true, "print AST before box step" },
558 { "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]559};
560enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
561
[77d601f]562static void usage( char * argv[] ) {
[e0bd0f9]563 cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]564 int i = 0, j = 1; // j skips starting colon
565 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
566 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]567 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
568 cout << " -" << optstring[j] << ",";
569 } else { // no flag
570 j -= 1; // compensate
571 cout << " ";
572 } // if
573 cout << " --" << left << setw(12) << long_opts[i].name << " ";
574 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
575 cout << "one of: " << endl;
576 for ( int i = 0; i < printoptsSize; i += 1 ) {
577 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
578 } // for
579 } else {
580 cout << description[i] << endl;
581 } // if
[3e96559]582 } // if
[62ce290]583 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]584 } // for
585 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
586 exit( EXIT_FAILURE );
587} // usage
588
[e0bd0f9]589static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]590 opterr = 0; // (global) prevent getopt from printing error messages
591
[c5e5109]592 bool Wsuppress = false, Werror = false;
[0da3e2c]593 int c;
[3e96559]594 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]595 switch ( c ) {
[1a69a90]596 case 'c': // diagnostic colors
597 if ( strcmp( optarg, "always" ) == 0 ) {
598 ErrorHelpers::colors = ErrorHelpers::Colors::Always;
599 } else if ( strcmp( optarg, "never" ) == 0 ) {
600 ErrorHelpers::colors = ErrorHelpers::Colors::Never;
601 } else if ( strcmp( optarg, "auto" ) == 0 ) {
602 ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
603 } // if
604 break;
[3e96559]605 case 'h': // help message
606 usage( argv ); // no return
[53d3ab4b]607 break;
[372b6d3]608 case 'i': // invariant checking
609 invariant = true;
610 break;
[3e96559]611 case 'l': // generate libcfa.c
[0da3e2c]612 libcfap = true;
613 break;
[62ce290]614 case 'L': // generate line marks
[6de43b6]615 linemarks = true;
[c850687]616 break;
[3e96559]617 case 'm': // do not replace main
618 nomainp = true;
[0da3e2c]619 break;
[62ce290]620 case 'N': // do not generate line marks
[6de43b6]621 linemarks = false;
[c59bde6]622 break;
[62ce290]623 case 'n': // do not read prelude
[3e96559]624 nopreludep = true;
[0da3e2c]625 break;
[62ce290]626 case 'p': // generate prototypes for prelude functions
627 genproto = true;
[0da3e2c]628 break;
[7215000]629 case 'd': // don't print non-deterministic output
[a77257be]630 deterministic_output = true;
631 break;
[62ce290]632 case 'P': // print options
633 for ( int i = 0;; i += 1 ) {
634 if ( i == printoptsSize ) {
635 cout << "Unknown --print option " << optarg << endl;
636 goto Default;
637 } // if
638 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
639 printopts[i].flag = printopts[i].val;
640 break;
641 } // if
642 } // for
[0da3e2c]643 break;
[62ce290]644 case PreludeDir: // prelude directory for debug/nodebug, hidden
645 PreludeDirector = optarg;
[3b3491b6]646 break;
[3e96559]647 case 'S': // enable profiling information, argument comma separated list of names
648 Stats::parse_params( optarg );
[ebcc940]649 break;
[dee1f89]650 case 't': // building cfa stdlib
[0da3e2c]651 treep = true;
652 break;
[dee1f89]653 case 'g': // wait for gdb
654 waiting_for_gdb = true;
655 break;
[3e96559]656 case 'w': // suppress all warnings, hidden
[c5e5109]657 Wsuppress = true;
[44bca7f]658 break;
[3e96559]659 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]660 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]661 SemanticWarning_EnableAll();
[44bca7f]662 } else if ( strcmp( optarg, "error" ) == 0 ) {
663 Werror = true;
664 } else {
665 char * warning = optarg;
666 Severity s;
667 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
668 warning += 3;
669 s = Severity::Suppress;
670 } else {
671 s = Severity::Warn;
672 } // if
[68e9ace]673 SemanticWarning_Set( warning, s );
[44bca7f]674 } // if
675 break;
[3e96559]676 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]677 break;
[3e96559]678 case '?': // unknown option
679 if ( optopt ) { // short option ?
680 cout << "Unknown option -" << (char)optopt << endl;
681 } else {
682 cout << "Unknown option " << argv[optind - 1] << endl;
683 } // if
684 goto Default;
685 case ':': // missing option
[ae47a23]686 if ( optopt ) { // short option ?
[3e96559]687 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]688 } else {
[3e96559]689 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]690 } // if
[3e96559]691 goto Default;
692 Default:
693 default:
694 usage( argv ); // no return
[0da3e2c]695 } // switch
696 } // while
[44bca7f]697
698 if ( Werror ) {
[68e9ace]699 SemanticWarning_WarningAsError();
[44bca7f]700 } // if
[c5e5109]701 if ( Wsuppress ) {
702 SemanticWarning_SuppressAll();
703 } // if
[44bca7f]704 // for ( const auto w : WarningFormats ) {
705 // cout << w.name << ' ' << (int)w.severity << endl;
706 // } // for
[0da3e2c]707} // parse_cmdline
708
[1ab4ce2]709static bool notPrelude( Declaration * decl ) {
710 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]711} // notPrelude
[1ab4ce2]712
[e6955b1]713static void dump( list< Declaration * > & translationUnit, ostream & out ) {
714 list< Declaration * > decls;
[926af74]715
[62ce290]716 if ( genproto ) {
[e6955b1]717 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]718 } else {
719 decls = translationUnit;
[926af74]720 } // if
[1ab4ce2]721
[e39241b]722 // depending on commandline options, either generate code or dump the AST
723 if ( codegenp ) {
[62ce290]724 CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]725 } else {
726 printAll( decls, out );
[3e96559]727 } // if
[7f5566b]728 deleteAll( translationUnit );
[0da3e2c]729} // dump
[1ab4ce2]730
[e499381]731static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
[09f34a84]732 std::list< Declaration * > translationUnit = convert( std::move( transUnit ) );
[e499381]733 dump( translationUnit, out );
734}
735
[51b73452]736// Local Variables: //
[b87a5ed]737// tab-width: 4 //
738// mode: c++ //
739// compile-command: "make install" //
[51b73452]740// End: //
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