source: src/main.cc@ 77bc259

Last change on this file since 77bc259 was dacd2c19, checked in by Andrew Beach <ajbeach@…>, 20 months ago

Added Peter's fix to ensure syscall argument is initialized. I did check it against valgrind.
  • Property mode set to 100644
File size: 28.0 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
[be3f163]12// Last Modified On : Wed Nov 1 21:12:58 2023
13// Update Count : 690
[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
[bccd70a]31#include "AST/Pass.hpp" // for pass_visitor_stats
[0b5e780]32#include "AST/Print.hpp" // for printAll
[bccd70a]33#include "AST/TranslationUnit.hpp" // for TranslationUnit
[52f9804]34#include "AST/Util.hpp" // for checkInvariants
[7f38b67a]35#include "CompilationState.h"
[bf2438c]36#include "../config.h" // for CFA_LIBDIR
37#include "CodeGen/FixMain.h" // for FixMain
38#include "CodeGen/FixNames.h" // for fixNames
39#include "CodeGen/Generate.h" // for generate
[aff7e86]40#include "CodeGen/LinkOnce.h" // for translateLinkOnce
[f57faf6f]41#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[55cbff8]42#include "Common/DeclStats.hpp" // for printDeclStats
43#include "Common/ResolvProtoDump.hpp" // for dumpAsResolverProto
[09366b8]44#include "Common/Stats.h" // for Stats
[bf2438c]45#include "Common/utility.h" // for deleteAll, filter, printAll
[3dd8f42]46#include "Concurrency/Actors.hpp" // for implementActors
[eb779d5]47#include "Concurrency/Corun.hpp" // for implementCorun
[2cf3b87]48#include "Concurrency/Keywords.h" // for implementMutex, implement...
[9f5ecf5]49#include "Concurrency/Waitfor.h" // for generateWaitfor
[c86b08d]50#include "Concurrency/Waituntil.hpp" // for generateWaitUntil
[0c730d9]51#include "ControlStruct/ExceptDecl.h" // for translateExcept
[09366b8]52#include "ControlStruct/ExceptTranslate.h" // for translateThrows, translat...
[b8ab91a]53#include "ControlStruct/FixLabels.hpp" // for fixLabels
[a488783]54#include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls
[bf2438c]55#include "GenPoly/Box.h" // for box
56#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
57#include "GenPoly/Lvalue.h" // for convertLvalue
58#include "GenPoly/Specialize.h" // for convertSpecializations
59#include "InitTweak/FixInit.h" // for fix
60#include "InitTweak/GenInit.h" // for genInit
61#include "MakeLibCfa.h" // for makeLibCfa
[cbd1ba8]62#include "Parser/RunParser.hpp" // for buildList, dumpParseTree,...
[1622af5]63#include "ResolvExpr/CandidatePrinter.hpp" // for printCandidates
[d3652df]64#include "ResolvExpr/EraseWith.hpp" // for eraseWith
[bf2438c]65#include "ResolvExpr/Resolver.h" // for resolve
66#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a488783]67#include "Validate/Autogen.hpp" // for autogenerateRoutines
[298fe57]68#include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals
69#include "Validate/EliminateTypedef.hpp" // for eliminateTypedef
[1931bb01]70#include "Validate/EnumAndPointerDecay.hpp" // for decayEnumsAndPointers
[ce36b55]71#include "Validate/FindSpecialDecls.h" // for findGlobalDecls
[298fe57]72#include "Validate/FixQualifiedTypes.hpp" // for fixQualifiedTypes
[1931bb01]73#include "Validate/FixReturnTypes.hpp" // for fixReturnTypes
[9490621]74#include "Validate/ForallPointerDecay.hpp" // for decayForallPointers
[298fe57]75#include "Validate/GenericParameter.hpp" // for fillGenericParameters, tr...
76#include "Validate/HoistStruct.hpp" // for hoistStruct
[1931bb01]77#include "Validate/HoistTypeDecls.hpp" // for hoistTypeDecls
[ce36b55]78#include "Validate/InitializerLength.hpp" // for setLengthFromInitializer
79#include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses
[37b3151]80#include "Validate/LinkInstanceTypes.hpp" // for linkInstanceTypes
[1931bb01]81#include "Validate/ReplaceTypedef.hpp" // for replaceTypedef
[4ec9513]82#include "Validate/ReturnCheck.hpp" // for checkReturnStatements
[1931bb01]83#include "Validate/VerifyCtorDtorAssign.hpp" // for verifyCtorDtorAssign
[61e362f]84#include "Validate/ReplacePseudoFunc.hpp" // for replacePseudoFunc
[a5f0529]85#include "Virtual/ExpandCasts.h" // for expandCasts
[37b3151]86#include "Virtual/VirtualDtor.hpp" // for implementVirtDtors
[51b73452]87
[2c38b15]88using namespace std;
89
[3e96559]90static void NewPass( const char * const name ) {
91 Stats::Heap::newPass( name );
[1cb7fab2]92 using namespace Stats::Counters;
[b8665e3]93 {
[f43146e4]94 static auto group = build<CounterGroup>( "Pass Visitor Template" );
[3e96559]95 auto pass = build<CounterGroup>( name, group );
[f43146e4]96 ast::pass_visitor_stats.depth = 0;
97 ast::pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
98 ast::pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]99 }
[675716e]100}
101
[52f9804]102// Helpers for checkInvariant:
103void checkInvariants( std::list< Declaration * > & ) {}
104using ast::checkInvariants;
105
106#define PASS( name, pass, unit, ... ) \
[ecaeac6e]107 if ( errorp ) { cerr << name << endl; } \
[675716e]108 NewPass(name); \
[4f97937]109 Stats::Time::StartBlock(name); \
[52f9804]110 pass(unit,##__VA_ARGS__); \
111 Stats::Time::StopBlock(); \
112 if ( invariant ) { \
113 checkInvariants(unit); \
114 }
115
116#define DUMP( cond, unit ) \
117 if ( cond ) { \
118 dump(unit); \
119 return EXIT_SUCCESS; \
120 }
[0da3e2c]121
[ef22ad6]122static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]123
[bffcd66]124static string PreludeDirector = "";
[4dcaed2]125
[77d601f]126static void parse_cmdline( int argc, char * argv[] );
[e499381]127static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]128
[0afffee]129static void backtrace( int start ) { // skip first N stack frames
[74330e7]130 enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]131 void * array[Frames];
[74330e7]132 size_t size = ::backtrace( array, Frames );
[0afffee]133 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
134
135 *index( messages[0], '(' ) = '\0'; // find executable name
136 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]137
[b542bfb]138 // skip last 2 stack frames after main
[74330e7]139 for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]140 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]141
142 for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]143 if ( *p == '(' ) {
[46f6134]144 mangled_name = p;
[0afffee]145 } else if ( *p == '+' ) {
[e6955b1]146 offset_begin = p;
[0afffee]147 } else if ( *p == ')' ) {
[e6955b1]148 offset_end = p;
149 break;
150 } // if
151 } // for
152
153 // if line contains symbol, attempt to demangle
[b542bfb]154 int frameNo = i - start;
[e6955b1]155 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]156 *mangled_name++ = '\0'; // delimit strings
[e6955b1]157 *offset_begin++ = '\0';
158 *offset_end++ = '\0';
159
[0afffee]160 int status;
[e6955b1]161 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]162 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]163 if ( status == 0 ) { // demangling successful ?
[b542bfb]164 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]165 << real_name << "+" << offset_begin << offset_end << endl;
166 } else { // otherwise, output mangled name
[b542bfb]167 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]168 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]169 } // if
[0afffee]170
[e6955b1]171 free( real_name );
172 } else { // otherwise, print the whole line
[b542bfb]173 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]174 } // if
175 } // for
[b542bfb]176
[e6955b1]177 free( messages );
[b542bfb]178} // backtrace
179
[bffcd66]180#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
181
[1f68d5d]182static void _Signal(struct sigaction & act, int sig, int flags ) {
[dacd2c19]183 sigemptyset( &act.sa_mask );
[bffcd66]184 act.sa_flags = flags;
185
186 if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]187 cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]188 _exit( EXIT_FAILURE );
189 } // if
[1f68d5d]190}
191
192static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
193 struct sigaction act;
194 act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
195 _Signal(act, sig, flags);
196} // Signal
197
198static void Signal( int sig, void (* handler)(int), int flags ) {
199 struct sigaction act;
200 act.sa_handler = handler;
201 _Signal(act, sig, flags);
[bffcd66]202} // Signal
203
204static void sigSegvBusHandler( SIGPARMS ) {
205 if ( sfp->si_addr == nullptr ) {
206 cerr << "Null pointer (nullptr) dereference." << endl;
207 } else {
208 cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
209 << "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;
210 } // if
[b542bfb]211 backtrace( 2 ); // skip first 2 stack frames
[3e96559]212 abort(); // cause core dump for debugging
[e6955b1]213} // sigSegvBusHandler
[0da3e2c]214
[74330e7]215static void sigFpeHandler( SIGPARMS ) {
216 const char * msg;
217
218 switch ( sfp->si_code ) {
219 case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
220 case FPE_FLTOVF: msg = "overflow"; break;
221 case FPE_FLTUND: msg = "underflow"; break;
222 case FPE_FLTRES: msg = "inexact result"; break;
223 case FPE_FLTINV: msg = "invalid operation"; break;
224 default: msg = "unknown";
225 } // choose
226 cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
227 << "Possible cause is constant-expression evaluation invalid." << endl;
228 backtrace( 2 ); // skip first 2 stack frames
229 abort(); // cause core dump for debugging
230} // sigFpeHandler
231
[bffcd66]232static void sigAbortHandler( SIGPARMS ) {
[b542bfb]233 backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]234 Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]235 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]236} // sigAbortHandler
237
[cbaee0d]238int main( int argc, char * argv[] ) {
[3b8e52c]239 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]240 ostream * output = & cout;
[64b3cda]241 ast::TranslationUnit transUnit;
[e6955b1]242
[bffcd66]243 Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
244 Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]245 Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]246 Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]247
[bffcd66]248 // cout << "main" << endl;
[44bca7f]249 // for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]250 // cout << '\t' << argv[i] << endl;
[44bca7f]251 // } // for
252
[e0bd0f9]253 parse_cmdline( argc, argv ); // process command-line arguments
[b87a5ed]254
[ef22ad6]255 if ( waiting_for_gdb ) {
[bffcd66]256 cerr << "Waiting for gdb" << endl;
257 cerr << "run :" << endl;
258 cerr << " gdb attach " << getpid() << endl;
[dee1f89]259 raise(SIGSTOP);
[ef22ad6]260 } // if
[dee1f89]261
[b87a5ed]262 try {
[81419b5]263 // choose to read the program from a file or stdin
[3b8e52c]264 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]265 input = fopen( argv[ optind ], "r" );
[e0bd0f9]266 assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]267 optind += 1;
[3b8e52c]268 } else { // no input file name
[b87a5ed]269 input = stdin;
270 } // if
271
[79eaeb7]272 Stats::Time::StartGlobal();
[3c0d4cd]273 NewPass("Parse");
274 Stats::Time::StartBlock("Parse");
[675716e]275
[159c62e]276 // read in the builtins, extras, and the prelude
[de62360d]277 if ( ! nopreludep ) { // include gcc builtins
[faf8857]278 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]279
[37fe352]280 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]281
[807ce84]282 // Read to gcc builtins, if not generating the cfa library
[be3f163]283 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cfa").c_str(), "r" );
[6ce3ae9]284 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
[f2f595d7]285 parse( gcc_builtins, ast::Linkage::Compiler );
[81419b5]286
[159c62e]287 // read the extra prelude in, if not generating the cfa library
[be3f163]288 FILE * extras = fopen( (PreludeDirector + "/extras.cfa").c_str(), "r" );
[3b8e52c]289 assertf( extras, "cannot open extras.cf\n" );
[f2f595d7]290 parse( extras, ast::Linkage::BuiltinC );
[81419b5]291 if ( ! libcfap ) {
[faf8857]292 // read the prelude in, if not generating the cfa library
[e523b07]293 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
294 assertf( prelude, "cannot open prelude.cfa\n" );
[f2f595d7]295 parse( prelude, ast::Linkage::Intrinsic );
[fa4805f]296
297 // Read to cfa builtins, if not generating the cfa library
[be3f163]298 FILE * builtins = fopen( (PreludeDirector + "/builtins.cfa").c_str(), "r" );
[fa4805f]299 assertf( builtins, "cannot open builtins.cf\n" );
[f2f595d7]300 parse( builtins, ast::Linkage::BuiltinCFA );
[b87a5ed]301 } // if
302 } // if
[81419b5]303
[f2f595d7]304 parse( input, libcfap ? ast::Linkage::Intrinsic : ast::Linkage::Cforall, yydebug );
[71f4e4f]305
[64b3cda]306 transUnit = buildUnit();
[b87a5ed]307
[52f9804]308 DUMP( astp, std::move( transUnit ) );
[b87a5ed]309
[3c0d4cd]310 Stats::Time::StopBlock();
[036dd5f]311
[52f9804]312 PASS( "Hoist Type Decls", Validate::hoistTypeDecls, transUnit );
313
314 PASS( "Translate Exception Declarations", ControlStruct::translateExcept, transUnit );
315 DUMP( exdeclp, std::move( transUnit ) );
316 PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign, transUnit );
317 PASS( "Replace Typedefs", Validate::replaceTypedef, transUnit );
318 PASS( "Fix Return Types", Validate::fixReturnTypes, transUnit );
319 PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers, transUnit );
320
[37b3151]321 PASS( "Link Instance Types", Validate::linkInstanceTypes, transUnit );
[52f9804]322
[14c0f7b]323 PASS( "Forall Pointer Decay", Validate::decayForallPointers, transUnit );
[52f9804]324 PASS( "Fix Qualified Types", Validate::fixQualifiedTypes, transUnit );
[59c8dff]325
[52f9804]326 PASS( "Eliminate Typedef", Validate::eliminateTypedef, transUnit );
[2c38b15]327 PASS( "Hoist Struct", Validate::hoistStruct, transUnit );
[52f9804]328 PASS( "Validate Generic Parameters", Validate::fillGenericParameters, transUnit );
329 PASS( "Translate Dimensions", Validate::translateDimensionParameters, transUnit );
330 PASS( "Check Function Returns", Validate::checkReturnStatements, transUnit );
331 PASS( "Fix Return Statements", InitTweak::fixReturnStatements, transUnit );
332 PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords, transUnit );
[14c0f7b]333 PASS( "Fix Unique Ids", Validate::fixUniqueIds, transUnit );
[cf3da24]334 PASS( "Implement Corun", Concurrency::implementCorun, transUnit );
[52f9804]335 PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls, transUnit );
336
337 PASS( "Generate Autogen Routines", Validate::autogenerateRoutines, transUnit );
338
339 PASS( "Implement Actors", Concurrency::implementActors, transUnit );
340 PASS( "Implement Virtual Destructors", Virtual::implementVirtDtors, transUnit );
341 PASS( "Implement Mutex", Concurrency::implementMutex, transUnit );
342 PASS( "Implement Thread Start", Concurrency::implementThreadStarter, transUnit );
343 PASS( "Compound Literal", Validate::handleCompoundLiterals, transUnit );
344 PASS( "Set Length From Initializer", Validate::setLengthFromInitializer, transUnit );
345 PASS( "Find Global Decls", Validate::findGlobalDecls, transUnit );
346 PASS( "Fix Label Address", Validate::fixLabelAddresses, transUnit );
[09366b8]347
348 if ( symtabp ) {
349 return EXIT_SUCCESS;
350 } // if
[ccbc65c]351
[09366b8]352 if ( expraltp ) {
353 ResolvExpr::printCandidates( transUnit );
354 return EXIT_SUCCESS;
355 } // if
[3606fe4]356
[52f9804]357 DUMP( validp, std::move( transUnit ) );
[6a896b0]358
[52f9804]359 PASS( "Translate Throws", ControlStruct::translateThrows, transUnit );
360 PASS( "Fix Labels", ControlStruct::fixLabels, transUnit );
[14c0f7b]361 PASS( "Implement Waituntil", Concurrency::generateWaitUntil, transUnit );
[52f9804]362 PASS( "Fix Names", CodeGen::fixNames, transUnit );
363 PASS( "Gen Init", InitTweak::genInit, transUnit );
364 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples, transUnit );
[ce36b55]365
[09366b8]366 if ( libcfap ) {
367 // Generate the bodies of cfa library functions.
368 LibCfa::makeLibCfa( transUnit );
369 } // if
[1622af5]370
[09366b8]371 if ( declstatsp ) {
372 printDeclStats( transUnit );
373 return EXIT_SUCCESS;
374 } // if
[1622af5]375
[52f9804]376 DUMP( bresolvep, std::move( transUnit ) );
[1622af5]377
[09366b8]378 if ( resolvprotop ) {
379 dumpAsResolverProto( transUnit );
380 return EXIT_SUCCESS;
381 } // if
[9f5a19fa]382
[52f9804]383 PASS( "Resolve", ResolvExpr::resolve, transUnit );
384 DUMP( exprp, std::move( transUnit ) );
[59c8dff]385 PASS( "Replace Pseudo Func", Validate::replacePseudoFunc, transUnit );
[a55ebcc]386 DUMP( reppseu, std::move( transUnit ) );
[52f9804]387 PASS( "Fix Init", InitTweak::fix, transUnit, buildingLibrary() );
[d3652df]388 PASS( "Erase With", ResolvExpr::eraseWith, transUnit );
[68fe946e]389
[09366b8]390 // fix ObjectDecl - replaces ConstructorInit nodes
[52f9804]391 DUMP( ctorinitp, std::move( transUnit ) );
[68fe946e]392
[09366b8]393 // Currently not working due to unresolved issues with UniqueExpr
[52f9804]394 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]395
[52f9804]396 PASS( "Translate Tries", ControlStruct::translateTries, transUnit );
397 PASS( "Gen Waitfor", Concurrency::generateWaitFor, transUnit );
[61efa42]398 PASS( "Fix Main Linkage", CodeGen::fixMainLinkage, transUnit, !nomainp );
[4615ac8]399
[09366b8]400 // Needs to happen before tuple types are expanded.
[52f9804]401 PASS( "Convert Specializations", GenPoly::convertSpecializations, transUnit );
[81419b5]402
[52f9804]403 PASS( "Expand Tuples", Tuples::expandTuples, transUnit );
404 DUMP( tuplep, std::move( transUnit ) );
[626dbc10]405
[09366b8]406 // Must come after Translate Tries.
[52f9804]407 PASS( "Virtual Expand Casts", Virtual::expandCasts, transUnit );
[141b786]408
[52f9804]409 PASS( "Instantiate Generics", GenPoly::instantiateGeneric, transUnit );
410 DUMP( genericsp, std::move( transUnit ) );
[b4f8808]411
[52f9804]412 PASS( "Convert L-Value", GenPoly::convertLvalue, transUnit );
[1ee0a4da]413 DUMP( bboxp, std::move( transUnit ) );
414 PASS( "Box", GenPoly::box, transUnit );
[3cbe320]415 PASS( "Link-Once", CodeGen::translateLinkOnce, transUnit );
[7fffb1b]416
[aff7e86]417 // Code has been lowered to C, now we can start generation.
418
[8941b6b]419 DUMP( bcodegenp, std::move( transUnit ) );
[8905f56]420
[13de47bc]421 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
422 output = new ofstream( argv[ optind ] );
423 } // if
[0270824]424
[8941b6b]425 PASS( "Code Gen", CodeGen::generate, transUnit, *output, !genproto, prettycodegenp, true, linemarks, false );
[61efa42]426 CodeGen::fixMainInvoke( transUnit, *output, (PreludeDirector + "/bootloader.c").c_str() );
[8941b6b]427
[e6955b1]428 if ( output != &cout ) {
[b87a5ed]429 delete output;
430 } // if
[77d601f]431 } catch ( SemanticErrorException & e ) {
[b87a5ed]432 if ( errorp ) {
[e6955b1]433 cerr << "---AST at error:---" << endl;
[0b5e780]434 dump( std::move( transUnit ), cerr );
[e6955b1]435 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]436 } // if
[d55d7a6]437 e.print();
[e6955b1]438 if ( output != &cout ) {
[b87a5ed]439 delete output;
440 } // if
[3e96559]441 return EXIT_FAILURE;
[77d601f]442 } catch ( std::bad_alloc & ) {
443 cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl;
444 backtrace( 1 );
445 abort();
[3e96559]446 } catch ( ... ) {
[bffcd66]447 exception_ptr eptr = current_exception();
[4990812]448 try {
449 if (eptr) {
[bffcd66]450 rethrow_exception(eptr);
[3e96559]451 } else {
[77d601f]452 cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl;
[3e96559]453 } // if
[77d601f]454 } catch( const exception & e ) {
455 cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n";
[3e96559]456 } // try
457 return EXIT_FAILURE;
458 } // try
[b87a5ed]459
[1cb7fab2]460 Stats::print();
[3e96559]461 return EXIT_SUCCESS;
[d9a0e76]462} // main
[51b73452]463
[0da3e2c]464
[372b6d3]465static const char optstring[] = ":c:ghilLmNnpdP:S:twW:D:";
[3e96559]466
[62ce290]467enum { PreludeDir = 128 };
[3e96559]468static struct option long_opts[] = {
[1a69a90]469 { "colors", required_argument, nullptr, 'c' },
470 { "gdb", no_argument, nullptr, 'g' },
[3e96559]471 { "help", no_argument, nullptr, 'h' },
[372b6d3]472 { "invariant", no_argument, nullptr, 'i' },
[3e96559]473 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]474 { "linemarks", no_argument, nullptr, 'L' },
[372b6d3]475 { "no-main", no_argument, nullptr, 'm' },
[62ce290]476 { "no-linemarks", no_argument, nullptr, 'N' },
477 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]478 { "prototypes", no_argument, nullptr, 'p' },
[7215000]479 { "deterministic-out", no_argument, nullptr, 'd' },
[62ce290]480 { "print", required_argument, nullptr, 'P' },
481 { "prelude-dir", required_argument, nullptr, PreludeDir },
482 { "statistics", required_argument, nullptr, 'S' },
[3e96559]483 { "tree", no_argument, nullptr, 't' },
484 { "", no_argument, nullptr, 0 }, // -w
485 { "", no_argument, nullptr, 0 }, // -W
486 { "", no_argument, nullptr, 0 }, // -D
487 { nullptr, 0, nullptr, 0 }
488}; // long_opts
489
490static const char * description[] = {
[aa88cb9a]491 "diagnostic color: never, always, auto", // -c
[3e9de01]492 "wait for gdb to attach", // -g
[aa88cb9a]493 "print translator help message", // -h
[372b6d3]494 "invariant checking during AST passes", // -i
[3e9de01]495 "generate libcfa.c", // -l
496 "generate line marks", // -L
497 "do not replace main", // -m
498 "do not generate line marks", // -N
499 "do not read prelude", // -n
[aa88cb9a]500 "do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]501 "only print deterministic output", // -d
502 "print", // -P
[62ce290]503 "<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]504 "<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]505 "building cfa standard lib", // -t
506 "", // -w
507 "", // -W
508 "", // -D
[3e96559]509}; // description
510
[0c0f548]511static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]512
513static struct Printopts {
514 const char * name;
515 int & flag;
516 int val;
517 const char * descript;
518} printopts[] = {
[0e464f6]519 { "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
520 { "asterr", errorp, true, "print AST on error" },
[12f671e]521 { "declstats", declstatsp, true, "print code property statistics" },
522 { "parse", yydebug, true, "print yacc (parsing) debug information" },
[62ce290]523 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
524 { "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]525 { "rsteps", resolvep, true, "print resolver steps" },
[5f917740]526 // AST dumps
[0e464f6]527 { "ast", astp, true, "print AST after parsing" },
[5f917740]528 { "excpdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]529 { "symevt", symtabp, true, "print AST after symbol table events" },
[5f917740]530 { "expralt", expraltp, true, "print AST after expressions alternatives" },
531 { "valdecl", validp, true, "print AST after declaration validation pass" },
532 { "bresolver", bresolvep, true, "print AST before resolver step" },
533 { "expranly", exprp, true, "print AST after expression analysis" },
[0e464f6]534 { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
535 { "tuple", tuplep, true, "print AST after tuple expansion" },
[5f917740]536 { "instgen", genericsp, true, "print AST after instantiate generics" },
537 { "bbox", bboxp, true, "print AST before box pass" },
538 { "bcodegen", bcodegenp, true, "print AST before code generation" },
[a55ebcc]539 { "reppseu", reppseu, true, "print AST after replacing pseudo functions" }
[62ce290]540};
541enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
542
[77d601f]543static void usage( char * argv[] ) {
[e0bd0f9]544 cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]545 int i = 0, j = 1; // j skips starting colon
546 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
547 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]548 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
549 cout << " -" << optstring[j] << ",";
550 } else { // no flag
551 j -= 1; // compensate
552 cout << " ";
553 } // if
554 cout << " --" << left << setw(12) << long_opts[i].name << " ";
555 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
556 cout << "one of: " << endl;
557 for ( int i = 0; i < printoptsSize; i += 1 ) {
558 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
559 } // for
560 } else {
561 cout << description[i] << endl;
562 } // if
[3e96559]563 } // if
[62ce290]564 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]565 } // for
566 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
567 exit( EXIT_FAILURE );
568} // usage
569
[e0bd0f9]570static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]571 opterr = 0; // (global) prevent getopt from printing error messages
572
[c5e5109]573 bool Wsuppress = false, Werror = false;
[0da3e2c]574 int c;
[3e96559]575 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]576 switch ( c ) {
[1a69a90]577 case 'c': // diagnostic colors
578 if ( strcmp( optarg, "always" ) == 0 ) {
579 ErrorHelpers::colors = ErrorHelpers::Colors::Always;
580 } else if ( strcmp( optarg, "never" ) == 0 ) {
581 ErrorHelpers::colors = ErrorHelpers::Colors::Never;
582 } else if ( strcmp( optarg, "auto" ) == 0 ) {
583 ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
584 } // if
585 break;
[3e96559]586 case 'h': // help message
587 usage( argv ); // no return
[53d3ab4b]588 break;
[372b6d3]589 case 'i': // invariant checking
590 invariant = true;
591 break;
[3e96559]592 case 'l': // generate libcfa.c
[0da3e2c]593 libcfap = true;
594 break;
[62ce290]595 case 'L': // generate line marks
[6de43b6]596 linemarks = true;
[c850687]597 break;
[3e96559]598 case 'm': // do not replace main
599 nomainp = true;
[0da3e2c]600 break;
[62ce290]601 case 'N': // do not generate line marks
[6de43b6]602 linemarks = false;
[c59bde6]603 break;
[62ce290]604 case 'n': // do not read prelude
[3e96559]605 nopreludep = true;
[0da3e2c]606 break;
[62ce290]607 case 'p': // generate prototypes for prelude functions
608 genproto = true;
[0da3e2c]609 break;
[7215000]610 case 'd': // don't print non-deterministic output
[a77257be]611 deterministic_output = true;
612 break;
[62ce290]613 case 'P': // print options
614 for ( int i = 0;; i += 1 ) {
615 if ( i == printoptsSize ) {
616 cout << "Unknown --print option " << optarg << endl;
617 goto Default;
618 } // if
619 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
620 printopts[i].flag = printopts[i].val;
621 break;
622 } // if
623 } // for
[0da3e2c]624 break;
[62ce290]625 case PreludeDir: // prelude directory for debug/nodebug, hidden
626 PreludeDirector = optarg;
[3b3491b6]627 break;
[3e96559]628 case 'S': // enable profiling information, argument comma separated list of names
629 Stats::parse_params( optarg );
[ebcc940]630 break;
[dee1f89]631 case 't': // building cfa stdlib
[0da3e2c]632 treep = true;
633 break;
[dee1f89]634 case 'g': // wait for gdb
635 waiting_for_gdb = true;
636 break;
[3e96559]637 case 'w': // suppress all warnings, hidden
[c5e5109]638 Wsuppress = true;
[44bca7f]639 break;
[3e96559]640 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]641 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]642 SemanticWarning_EnableAll();
[44bca7f]643 } else if ( strcmp( optarg, "error" ) == 0 ) {
644 Werror = true;
645 } else {
646 char * warning = optarg;
647 Severity s;
648 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
649 warning += 3;
650 s = Severity::Suppress;
651 } else {
652 s = Severity::Warn;
653 } // if
[68e9ace]654 SemanticWarning_Set( warning, s );
[44bca7f]655 } // if
656 break;
[3e96559]657 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]658 break;
[3e96559]659 case '?': // unknown option
660 if ( optopt ) { // short option ?
661 cout << "Unknown option -" << (char)optopt << endl;
662 } else {
663 cout << "Unknown option " << argv[optind - 1] << endl;
664 } // if
665 goto Default;
666 case ':': // missing option
[ae47a23]667 if ( optopt ) { // short option ?
[3e96559]668 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]669 } else {
[3e96559]670 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]671 } // if
[3e96559]672 goto Default;
673 Default:
674 default:
675 usage( argv ); // no return
[0da3e2c]676 } // switch
677 } // while
[44bca7f]678
679 if ( Werror ) {
[68e9ace]680 SemanticWarning_WarningAsError();
[44bca7f]681 } // if
[c5e5109]682 if ( Wsuppress ) {
683 SemanticWarning_SuppressAll();
684 } // if
[44bca7f]685 // for ( const auto w : WarningFormats ) {
686 // cout << w.name << ' ' << (int)w.severity << endl;
687 // } // for
[0da3e2c]688} // parse_cmdline
689
[0b5e780]690static bool notPrelude( ast::ptr<ast::Decl> & decl ) {
691 return !decl->linkage.is_builtin;
692}
[926af74]693
[0b5e780]694static void dump( ast::TranslationUnit && unit, std::ostream & out ) {
695 // May filter out all prelude declarations.
[62ce290]696 if ( genproto ) {
[0b5e780]697 std::list<ast::ptr<ast::Decl>> decls;
698 std::copy_if( unit.decls.begin(), unit.decls.end(),
699 std::back_inserter( decls ), notPrelude );
700 decls.swap( unit.decls );
701 }
[1ab4ce2]702
[0b5e780]703 // May print as full dump or as code generation.
[e39241b]704 if ( codegenp ) {
[0b5e780]705 CodeGen::generate( unit, out, !genproto, prettycodegenp, false, false, false );
[e39241b]706 } else {
[0b5e780]707 ast::printAll( out, unit.decls );
708 }
[e499381]709}
710
[51b73452]711// Local Variables: //
[b87a5ed]712// tab-width: 4 //
713// mode: c++ //
714// compile-command: "make install" //
[51b73452]715// End: //
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