source: src/main.cc@ e4633b4

ADT ast-experimental
Last change on this file since e4633b4 was 6e1e2d0, checked in by caparsons <caparson@…>, 2 years ago

resolved merge conflicts
  • Property mode set to 100644
File size: 28.6 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"
[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
[bf2438c]41#include "CodeTools/TrackLoc.h" // for fillLocations
[f57faf6f]42#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[55cbff8]43#include "Common/DeclStats.hpp" // for printDeclStats
44#include "Common/ResolvProtoDump.hpp" // for dumpAsResolverProto
[09366b8]45#include "Common/Stats.h" // for Stats
[bf2438c]46#include "Common/utility.h" // for deleteAll, filter, printAll
[3dd8f42]47#include "Concurrency/Actors.hpp" // for implementActors
[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
[bf2438c]64#include "ResolvExpr/Resolver.h" // for resolve
[bffcd66]65#include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic
[bf2438c]66#include "SynTree/Declaration.h" // for Declaration
67#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a488783]68#include "Validate/Autogen.hpp" // for autogenerateRoutines
[298fe57]69#include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals
70#include "Validate/EliminateTypedef.hpp" // for eliminateTypedef
[1931bb01]71#include "Validate/EnumAndPointerDecay.hpp" // for decayEnumsAndPointers
[ce36b55]72#include "Validate/FindSpecialDecls.h" // for findGlobalDecls
[298fe57]73#include "Validate/FixQualifiedTypes.hpp" // for fixQualifiedTypes
[1931bb01]74#include "Validate/FixReturnTypes.hpp" // for fixReturnTypes
[9490621]75#include "Validate/ForallPointerDecay.hpp" // for decayForallPointers
[298fe57]76#include "Validate/GenericParameter.hpp" // for fillGenericParameters, tr...
77#include "Validate/HoistStruct.hpp" // for hoistStruct
[1931bb01]78#include "Validate/HoistTypeDecls.hpp" // for hoistTypeDecls
[ce36b55]79#include "Validate/InitializerLength.hpp" // for setLengthFromInitializer
80#include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses
[72e76fd]81#include "Validate/LinkReferenceToTypes.hpp" // for linkReferenceToTypes
[1931bb01]82#include "Validate/ReplaceTypedef.hpp" // for replaceTypedef
[4ec9513]83#include "Validate/ReturnCheck.hpp" // for checkReturnStatements
[1931bb01]84#include "Validate/VerifyCtorDtorAssign.hpp" // for verifyCtorDtorAssign
[a5f0529]85#include "Virtual/ExpandCasts.h" // for expandCasts
[3830c84]86#include "Virtual/VirtualDtor.hpp" // for implementVirtDtors
[51b73452]87
[3e96559]88static void NewPass( const char * const name ) {
89 Stats::Heap::newPass( name );
[1cb7fab2]90 using namespace Stats::Counters;
[b8665e3]91 {
[3e96559]92 static auto group = build<CounterGroup>( "Pass Visitor" );
93 auto pass = build<CounterGroup>( name, group );
[b8665e3]94 pass_visitor_stats.depth = 0;
[3e96559]95 pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
96 pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]97 }
98 {
[3e96559]99 static auto group = build<CounterGroup>( "Syntax Node" );
100 auto pass = build<CounterGroup>( name, group );
101 BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]102 }
[675716e]103}
104
[52f9804]105// Helpers for checkInvariant:
106void checkInvariants( std::list< Declaration * > & ) {}
107using ast::checkInvariants;
108
109#define PASS( name, pass, unit, ... ) \
[ecaeac6e]110 if ( errorp ) { cerr << name << endl; } \
[675716e]111 NewPass(name); \
[4f97937]112 Stats::Time::StartBlock(name); \
[52f9804]113 pass(unit,##__VA_ARGS__); \
114 Stats::Time::StopBlock(); \
115 if ( invariant ) { \
116 checkInvariants(unit); \
117 }
118
119#define DUMP( cond, unit ) \
120 if ( cond ) { \
121 dump(unit); \
122 return EXIT_SUCCESS; \
123 }
[0da3e2c]124
[ef22ad6]125static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]126
[bffcd66]127static string PreludeDirector = "";
[4dcaed2]128
[77d601f]129static void parse_cmdline( int argc, char * argv[] );
[e6955b1]130static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]131static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]132
[0afffee]133static void backtrace( int start ) { // skip first N stack frames
[74330e7]134 enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]135 void * array[Frames];
[74330e7]136 size_t size = ::backtrace( array, Frames );
[0afffee]137 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
138
139 *index( messages[0], '(' ) = '\0'; // find executable name
140 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]141
[b542bfb]142 // skip last 2 stack frames after main
[74330e7]143 for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]144 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]145
146 for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]147 if ( *p == '(' ) {
[46f6134]148 mangled_name = p;
[0afffee]149 } else if ( *p == '+' ) {
[e6955b1]150 offset_begin = p;
[0afffee]151 } else if ( *p == ')' ) {
[e6955b1]152 offset_end = p;
153 break;
154 } // if
155 } // for
156
157 // if line contains symbol, attempt to demangle
[b542bfb]158 int frameNo = i - start;
[e6955b1]159 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]160 *mangled_name++ = '\0'; // delimit strings
[e6955b1]161 *offset_begin++ = '\0';
162 *offset_end++ = '\0';
163
[0afffee]164 int status;
[e6955b1]165 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]166 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]167 if ( status == 0 ) { // demangling successful ?
[b542bfb]168 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]169 << real_name << "+" << offset_begin << offset_end << endl;
170 } else { // otherwise, output mangled name
[b542bfb]171 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]172 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]173 } // if
[0afffee]174
[e6955b1]175 free( real_name );
176 } else { // otherwise, print the whole line
[b542bfb]177 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]178 } // if
179 } // for
[b542bfb]180
[e6955b1]181 free( messages );
[b542bfb]182} // backtrace
183
[bffcd66]184#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
185
[1f68d5d]186static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]187 act.sa_flags = flags;
188
189 if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]190 cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]191 _exit( EXIT_FAILURE );
192 } // if
[1f68d5d]193}
194
195static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
196 struct sigaction act;
197 act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
198 _Signal(act, sig, flags);
199} // Signal
200
201static void Signal( int sig, void (* handler)(int), int flags ) {
202 struct sigaction act;
203 act.sa_handler = handler;
204 _Signal(act, sig, flags);
[bffcd66]205} // Signal
206
207static void sigSegvBusHandler( SIGPARMS ) {
208 if ( sfp->si_addr == nullptr ) {
209 cerr << "Null pointer (nullptr) dereference." << endl;
210 } else {
211 cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
212 << "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;
213 } // if
[b542bfb]214 backtrace( 2 ); // skip first 2 stack frames
[3e96559]215 abort(); // cause core dump for debugging
[e6955b1]216} // sigSegvBusHandler
[0da3e2c]217
[74330e7]218static void sigFpeHandler( SIGPARMS ) {
219 const char * msg;
220
221 switch ( sfp->si_code ) {
222 case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
223 case FPE_FLTOVF: msg = "overflow"; break;
224 case FPE_FLTUND: msg = "underflow"; break;
225 case FPE_FLTRES: msg = "inexact result"; break;
226 case FPE_FLTINV: msg = "invalid operation"; break;
227 default: msg = "unknown";
228 } // choose
229 cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
230 << "Possible cause is constant-expression evaluation invalid." << endl;
231 backtrace( 2 ); // skip first 2 stack frames
232 abort(); // cause core dump for debugging
233} // sigFpeHandler
234
[bffcd66]235static void sigAbortHandler( SIGPARMS ) {
[b542bfb]236 backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]237 Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]238 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]239} // sigAbortHandler
240
[cbaee0d]241int main( int argc, char * argv[] ) {
[3b8e52c]242 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]243 ostream * output = & cout;
[e6955b1]244 list< Declaration * > translationUnit;
[64b3cda]245 ast::TranslationUnit transUnit;
[e6955b1]246
[bffcd66]247 Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
248 Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]249 Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]250 Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]251
[bffcd66]252 // cout << "main" << endl;
[44bca7f]253 // for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]254 // cout << '\t' << argv[i] << endl;
[44bca7f]255 // } // for
256
[e0bd0f9]257 parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]258 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]259
[ef22ad6]260 if ( waiting_for_gdb ) {
[bffcd66]261 cerr << "Waiting for gdb" << endl;
262 cerr << "run :" << endl;
263 cerr << " gdb attach " << getpid() << endl;
[dee1f89]264 raise(SIGSTOP);
[ef22ad6]265 } // if
[dee1f89]266
[b87a5ed]267 try {
[81419b5]268 // choose to read the program from a file or stdin
[3b8e52c]269 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]270 input = fopen( argv[ optind ], "r" );
[e0bd0f9]271 assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]272 optind += 1;
[3b8e52c]273 } else { // no input file name
[b87a5ed]274 input = stdin;
275 } // if
276
[79eaeb7]277 Stats::Time::StartGlobal();
[3c0d4cd]278 NewPass("Parse");
279 Stats::Time::StartBlock("Parse");
[675716e]280
[159c62e]281 // read in the builtins, extras, and the prelude
[de62360d]282 if ( ! nopreludep ) { // include gcc builtins
[faf8857]283 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]284
[37fe352]285 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]286
[807ce84]287 // Read to gcc builtins, if not generating the cfa library
[37fe352]288 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]289 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
[f2f595d7]290 parse( gcc_builtins, ast::Linkage::Compiler );
[81419b5]291
[159c62e]292 // read the extra prelude in, if not generating the cfa library
[37fe352]293 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]294 assertf( extras, "cannot open extras.cf\n" );
[f2f595d7]295 parse( extras, ast::Linkage::BuiltinC );
[159c62e]296
[81419b5]297 if ( ! libcfap ) {
[faf8857]298 // read the prelude in, if not generating the cfa library
[e523b07]299 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
300 assertf( prelude, "cannot open prelude.cfa\n" );
[f2f595d7]301 parse( prelude, ast::Linkage::Intrinsic );
[fa4805f]302
303 // Read to cfa builtins, if not generating the cfa library
[37fe352]304 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]305 assertf( builtins, "cannot open builtins.cf\n" );
[f2f595d7]306 parse( builtins, ast::Linkage::BuiltinCFA );
[b87a5ed]307 } // if
308 } // if
[81419b5]309
[f2f595d7]310 parse( input, libcfap ? ast::Linkage::Intrinsic : ast::Linkage::Cforall, yydebug );
[71f4e4f]311
[64b3cda]312 transUnit = buildUnit();
[b87a5ed]313
[52f9804]314 DUMP( astp, std::move( transUnit ) );
[b87a5ed]315
[3c0d4cd]316 Stats::Time::StopBlock();
[036dd5f]317
[09366b8]318 if (Stats::Counters::enabled) {
319 ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New");
320 ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New");
321 }
[b507dcd]322
[52f9804]323 PASS( "Hoist Type Decls", Validate::hoistTypeDecls, transUnit );
324
325 PASS( "Translate Exception Declarations", ControlStruct::translateExcept, transUnit );
326 DUMP( exdeclp, std::move( transUnit ) );
327 PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign, transUnit );
328 PASS( "Replace Typedefs", Validate::replaceTypedef, transUnit );
329 PASS( "Fix Return Types", Validate::fixReturnTypes, transUnit );
330 PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers, transUnit );
331
332 PASS( "Link Reference To Types", Validate::linkReferenceToTypes, transUnit );
333
334 PASS( "Fix Qualified Types", Validate::fixQualifiedTypes, transUnit );
335 PASS( "Hoist Struct", Validate::hoistStruct, transUnit );
336 PASS( "Eliminate Typedef", Validate::eliminateTypedef, transUnit );
337 PASS( "Validate Generic Parameters", Validate::fillGenericParameters, transUnit );
338 PASS( "Translate Dimensions", Validate::translateDimensionParameters, transUnit );
339 PASS( "Check Function Returns", Validate::checkReturnStatements, transUnit );
340 PASS( "Fix Return Statements", InitTweak::fixReturnStatements, transUnit );
341 PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords, transUnit );
342 PASS( "Forall Pointer Decay", Validate::decayForallPointers, transUnit );
[6e1e2d0]343 PASS( "Implement Waituntil", Concurrency::generateWaitUntil, transUnit );
[52f9804]344 PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls, transUnit );
345
346 PASS( "Generate Autogen Routines", Validate::autogenerateRoutines, transUnit );
347
348 PASS( "Implement Actors", Concurrency::implementActors, transUnit );
349 PASS( "Implement Virtual Destructors", Virtual::implementVirtDtors, transUnit );
350 PASS( "Implement Mutex", Concurrency::implementMutex, transUnit );
351 PASS( "Implement Thread Start", Concurrency::implementThreadStarter, transUnit );
352 PASS( "Compound Literal", Validate::handleCompoundLiterals, transUnit );
353 PASS( "Set Length From Initializer", Validate::setLengthFromInitializer, transUnit );
354 PASS( "Find Global Decls", Validate::findGlobalDecls, transUnit );
355 PASS( "Fix Label Address", Validate::fixLabelAddresses, transUnit );
[09366b8]356
357 if ( symtabp ) {
358 return EXIT_SUCCESS;
359 } // if
[ccbc65c]360
[09366b8]361 if ( expraltp ) {
362 ResolvExpr::printCandidates( transUnit );
363 return EXIT_SUCCESS;
364 } // if
[3606fe4]365
[52f9804]366 DUMP( validp, std::move( transUnit ) );
[6a896b0]367
[52f9804]368 PASS( "Translate Throws", ControlStruct::translateThrows, transUnit );
369 PASS( "Fix Labels", ControlStruct::fixLabels, transUnit );
370 PASS( "Fix Names", CodeGen::fixNames, transUnit );
371 PASS( "Gen Init", InitTweak::genInit, transUnit );
372 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples, transUnit );
[ce36b55]373
[09366b8]374 if ( libcfap ) {
375 // Generate the bodies of cfa library functions.
376 LibCfa::makeLibCfa( transUnit );
377 } // if
[1622af5]378
[09366b8]379 if ( declstatsp ) {
380 printDeclStats( transUnit );
381 return EXIT_SUCCESS;
382 } // if
[1622af5]383
[52f9804]384 DUMP( bresolvep, std::move( transUnit ) );
[1622af5]385
[09366b8]386 if ( resolvprotop ) {
387 dumpAsResolverProto( transUnit );
388 return EXIT_SUCCESS;
389 } // if
[9f5a19fa]390
[52f9804]391 PASS( "Resolve", ResolvExpr::resolve, transUnit );
392 DUMP( exprp, std::move( transUnit ) );
[68fe946e]393
[52f9804]394 PASS( "Fix Init", InitTweak::fix, transUnit, buildingLibrary() );
[68fe946e]395
[09366b8]396 // fix ObjectDecl - replaces ConstructorInit nodes
[52f9804]397 DUMP( ctorinitp, std::move( transUnit ) );
[68fe946e]398
[09366b8]399 // Currently not working due to unresolved issues with UniqueExpr
[52f9804]400 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]401
[52f9804]402 PASS( "Translate Tries", ControlStruct::translateTries, transUnit );
403 PASS( "Gen Waitfor", Concurrency::generateWaitFor, transUnit );
[4615ac8]404
[09366b8]405 // Needs to happen before tuple types are expanded.
[52f9804]406 PASS( "Convert Specializations", GenPoly::convertSpecializations, transUnit );
[81419b5]407
[52f9804]408 PASS( "Expand Tuples", Tuples::expandTuples, transUnit );
409 DUMP( tuplep, std::move( transUnit ) );
[626dbc10]410
[09366b8]411 // Must come after Translate Tries.
[52f9804]412 PASS( "Virtual Expand Casts", Virtual::expandCasts, transUnit );
[141b786]413
[52f9804]414 PASS( "Instantiate Generics", GenPoly::instantiateGeneric, transUnit );
415 DUMP( genericsp, std::move( transUnit ) );
[b4f8808]416
[52f9804]417 PASS( "Convert L-Value", GenPoly::convertLvalue, transUnit );
[7fffb1b]418
419 translationUnit = convert( std::move( transUnit ) );
[53d3ab4b]420
[52f9804]421 DUMP( bboxp, translationUnit );
422 PASS( "Box", GenPoly::box, translationUnit );
[81419b5]423
[52f9804]424 PASS( "Link-Once", CodeGen::translateLinkOnce, translationUnit );
[aff7e86]425
426 // Code has been lowered to C, now we can start generation.
427
[52f9804]428 DUMP( bcodegenp, translationUnit );
[8905f56]429
[13de47bc]430 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
431 output = new ofstream( argv[ optind ] );
432 } // if
[0270824]433
[7b15d7a]434 CodeTools::fillLocations( translationUnit );
[52f9804]435 PASS( "Code Gen", CodeGen::generate, translationUnit, *output, ! genproto, prettycodegenp, true, linemarks );
[0270824]436
[8e48fca4]437 CodeGen::FixMain::fix( translationUnit, *output,
438 (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]439 if ( output != &cout ) {
[b87a5ed]440 delete output;
441 } // if
[77d601f]442 } catch ( SemanticErrorException & e ) {
[b87a5ed]443 if ( errorp ) {
[e6955b1]444 cerr << "---AST at error:---" << endl;
[64b3cda]445 // We check which section the errors came from without looking at
446 // transUnit because std::move means it could look like anything.
447 if ( !translationUnit.empty() ) {
448 dump( translationUnit, cerr );
449 } else {
450 dump( std::move( transUnit ), cerr );
451 }
[e6955b1]452 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]453 } // if
[d55d7a6]454 e.print();
[e6955b1]455 if ( output != &cout ) {
[b87a5ed]456 delete output;
457 } // if
[3e96559]458 return EXIT_FAILURE;
[77d601f]459 } catch ( std::bad_alloc & ) {
460 cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl;
461 backtrace( 1 );
462 abort();
[3e96559]463 } catch ( ... ) {
[bffcd66]464 exception_ptr eptr = current_exception();
[4990812]465 try {
466 if (eptr) {
[bffcd66]467 rethrow_exception(eptr);
[3e96559]468 } else {
[77d601f]469 cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl;
[3e96559]470 } // if
[77d601f]471 } catch( const exception & e ) {
472 cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n";
[3e96559]473 } // try
474 return EXIT_FAILURE;
475 } // try
[b87a5ed]476
[39786813]477 deleteAll( translationUnit );
[1cb7fab2]478 Stats::print();
[3e96559]479 return EXIT_SUCCESS;
[d9a0e76]480} // main
[51b73452]481
[0da3e2c]482
[372b6d3]483static const char optstring[] = ":c:ghilLmNnpdP:S:twW:D:";
[3e96559]484
[62ce290]485enum { PreludeDir = 128 };
[3e96559]486static struct option long_opts[] = {
[1a69a90]487 { "colors", required_argument, nullptr, 'c' },
488 { "gdb", no_argument, nullptr, 'g' },
[3e96559]489 { "help", no_argument, nullptr, 'h' },
[372b6d3]490 { "invariant", no_argument, nullptr, 'i' },
[3e96559]491 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]492 { "linemarks", no_argument, nullptr, 'L' },
[372b6d3]493 { "no-main", no_argument, nullptr, 'm' },
[62ce290]494 { "no-linemarks", no_argument, nullptr, 'N' },
495 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]496 { "prototypes", no_argument, nullptr, 'p' },
[7215000]497 { "deterministic-out", no_argument, nullptr, 'd' },
[62ce290]498 { "print", required_argument, nullptr, 'P' },
499 { "prelude-dir", required_argument, nullptr, PreludeDir },
500 { "statistics", required_argument, nullptr, 'S' },
[3e96559]501 { "tree", no_argument, nullptr, 't' },
502 { "", no_argument, nullptr, 0 }, // -w
503 { "", no_argument, nullptr, 0 }, // -W
504 { "", no_argument, nullptr, 0 }, // -D
505 { nullptr, 0, nullptr, 0 }
506}; // long_opts
507
508static const char * description[] = {
[aa88cb9a]509 "diagnostic color: never, always, auto", // -c
[3e9de01]510 "wait for gdb to attach", // -g
[aa88cb9a]511 "print translator help message", // -h
[372b6d3]512 "invariant checking during AST passes", // -i
[3e9de01]513 "generate libcfa.c", // -l
514 "generate line marks", // -L
515 "do not replace main", // -m
516 "do not generate line marks", // -N
517 "do not read prelude", // -n
[aa88cb9a]518 "do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]519 "only print deterministic output", // -d
520 "print", // -P
[62ce290]521 "<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]522 "<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]523 "building cfa standard lib", // -t
524 "", // -w
525 "", // -W
526 "", // -D
[3e96559]527}; // description
528
[0c0f548]529static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]530
531static struct Printopts {
532 const char * name;
533 int & flag;
534 int val;
535 const char * descript;
536} printopts[] = {
[0e464f6]537 { "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
538 { "asterr", errorp, true, "print AST on error" },
[62ce290]539 { "declstats", declstatsp, true, "code property statistics" },
540 { "parse", yydebug, true, "yacc (parsing) debug information" },
541 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
542 { "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]543 { "rsteps", resolvep, true, "print resolver steps" },
544 // code dumps
545 { "ast", astp, true, "print AST after parsing" },
[00da199]546 { "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]547 { "symevt", symtabp, true, "print AST after symbol table events" },
548 { "altexpr", expraltp, true, "print alternatives for expressions" },
549 { "astdecl", validp, true, "print AST after declaration validation pass" },
550 { "resolver", bresolvep, true, "print AST before resolver step" },
551 { "astexpr", exprp, true, "print AST after expression analysis" },
552 { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
553 { "tuple", tuplep, true, "print AST after tuple expansion" },
554 { "astgen", genericsp, true, "print AST after instantiate generics" },
555 { "box", bboxp, true, "print AST before box step" },
556 { "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]557};
558enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
559
[77d601f]560static void usage( char * argv[] ) {
[e0bd0f9]561 cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]562 int i = 0, j = 1; // j skips starting colon
563 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
564 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]565 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
566 cout << " -" << optstring[j] << ",";
567 } else { // no flag
568 j -= 1; // compensate
569 cout << " ";
570 } // if
571 cout << " --" << left << setw(12) << long_opts[i].name << " ";
572 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
573 cout << "one of: " << endl;
574 for ( int i = 0; i < printoptsSize; i += 1 ) {
575 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
576 } // for
577 } else {
578 cout << description[i] << endl;
579 } // if
[3e96559]580 } // if
[62ce290]581 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]582 } // for
583 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
584 exit( EXIT_FAILURE );
585} // usage
586
[e0bd0f9]587static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]588 opterr = 0; // (global) prevent getopt from printing error messages
589
[c5e5109]590 bool Wsuppress = false, Werror = false;
[0da3e2c]591 int c;
[3e96559]592 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]593 switch ( c ) {
[1a69a90]594 case 'c': // diagnostic colors
595 if ( strcmp( optarg, "always" ) == 0 ) {
596 ErrorHelpers::colors = ErrorHelpers::Colors::Always;
597 } else if ( strcmp( optarg, "never" ) == 0 ) {
598 ErrorHelpers::colors = ErrorHelpers::Colors::Never;
599 } else if ( strcmp( optarg, "auto" ) == 0 ) {
600 ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
601 } // if
602 break;
[3e96559]603 case 'h': // help message
604 usage( argv ); // no return
[53d3ab4b]605 break;
[372b6d3]606 case 'i': // invariant checking
607 invariant = true;
608 break;
[3e96559]609 case 'l': // generate libcfa.c
[0da3e2c]610 libcfap = true;
611 break;
[62ce290]612 case 'L': // generate line marks
[6de43b6]613 linemarks = true;
[c850687]614 break;
[3e96559]615 case 'm': // do not replace main
616 nomainp = true;
[0da3e2c]617 break;
[62ce290]618 case 'N': // do not generate line marks
[6de43b6]619 linemarks = false;
[c59bde6]620 break;
[62ce290]621 case 'n': // do not read prelude
[3e96559]622 nopreludep = true;
[0da3e2c]623 break;
[62ce290]624 case 'p': // generate prototypes for prelude functions
625 genproto = true;
[0da3e2c]626 break;
[7215000]627 case 'd': // don't print non-deterministic output
[a77257be]628 deterministic_output = true;
629 break;
[62ce290]630 case 'P': // print options
631 for ( int i = 0;; i += 1 ) {
632 if ( i == printoptsSize ) {
633 cout << "Unknown --print option " << optarg << endl;
634 goto Default;
635 } // if
636 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
637 printopts[i].flag = printopts[i].val;
638 break;
639 } // if
640 } // for
[0da3e2c]641 break;
[62ce290]642 case PreludeDir: // prelude directory for debug/nodebug, hidden
643 PreludeDirector = optarg;
[3b3491b6]644 break;
[3e96559]645 case 'S': // enable profiling information, argument comma separated list of names
646 Stats::parse_params( optarg );
[ebcc940]647 break;
[dee1f89]648 case 't': // building cfa stdlib
[0da3e2c]649 treep = true;
650 break;
[dee1f89]651 case 'g': // wait for gdb
652 waiting_for_gdb = true;
653 break;
[3e96559]654 case 'w': // suppress all warnings, hidden
[c5e5109]655 Wsuppress = true;
[44bca7f]656 break;
[3e96559]657 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]658 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]659 SemanticWarning_EnableAll();
[44bca7f]660 } else if ( strcmp( optarg, "error" ) == 0 ) {
661 Werror = true;
662 } else {
663 char * warning = optarg;
664 Severity s;
665 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
666 warning += 3;
667 s = Severity::Suppress;
668 } else {
669 s = Severity::Warn;
670 } // if
[68e9ace]671 SemanticWarning_Set( warning, s );
[44bca7f]672 } // if
673 break;
[3e96559]674 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]675 break;
[3e96559]676 case '?': // unknown option
677 if ( optopt ) { // short option ?
678 cout << "Unknown option -" << (char)optopt << endl;
679 } else {
680 cout << "Unknown option " << argv[optind - 1] << endl;
681 } // if
682 goto Default;
683 case ':': // missing option
[ae47a23]684 if ( optopt ) { // short option ?
[3e96559]685 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]686 } else {
[3e96559]687 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]688 } // if
[3e96559]689 goto Default;
690 Default:
691 default:
692 usage( argv ); // no return
[0da3e2c]693 } // switch
694 } // while
[44bca7f]695
696 if ( Werror ) {
[68e9ace]697 SemanticWarning_WarningAsError();
[44bca7f]698 } // if
[c5e5109]699 if ( Wsuppress ) {
700 SemanticWarning_SuppressAll();
701 } // if
[44bca7f]702 // for ( const auto w : WarningFormats ) {
703 // cout << w.name << ' ' << (int)w.severity << endl;
704 // } // for
[0da3e2c]705} // parse_cmdline
706
[1ab4ce2]707static bool notPrelude( Declaration * decl ) {
708 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]709} // notPrelude
[1ab4ce2]710
[e6955b1]711static void dump( list< Declaration * > & translationUnit, ostream & out ) {
712 list< Declaration * > decls;
[926af74]713
[62ce290]714 if ( genproto ) {
[e6955b1]715 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]716 } else {
717 decls = translationUnit;
[926af74]718 } // if
[1ab4ce2]719
[e39241b]720 // depending on commandline options, either generate code or dump the AST
721 if ( codegenp ) {
[62ce290]722 CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]723 } else {
724 printAll( decls, out );
[3e96559]725 } // if
[7f5566b]726 deleteAll( translationUnit );
[0da3e2c]727} // dump
[1ab4ce2]728
[e499381]729static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
[09f34a84]730 std::list< Declaration * > translationUnit = convert( std::move( transUnit ) );
[e499381]731 dump( translationUnit, out );
732}
733
[51b73452]734// Local Variables: //
[b87a5ed]735// tab-width: 4 //
736// mode: c++ //
737// compile-command: "make install" //
[51b73452]738// End: //
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