source: src/main.cc@ b77f0e1

ADT ast-experimental
Last change on this file since b77f0e1 was 7fffb1b, checked in by Andrew Beach <ajbeach@…>, 3 years ago

Translated the convertLvalue pass. It could possibly use some additional clean-up.
  • Property mode set to 100644
File size: 29.7 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
[68fe946e]11// Last Modified By : Andrew Beach
[7fffb1b]12// Last Modified On : Wed Oct 5 12:06:00 2022
13// Update Count : 679
[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"
[7f38b67a]34#include "CompilationState.h"
[bf2438c]35#include "../config.h" // for CFA_LIBDIR
36#include "CodeGen/FixMain.h" // for FixMain
37#include "CodeGen/FixNames.h" // for fixNames
38#include "CodeGen/Generate.h" // for generate
[aff7e86]39#include "CodeGen/LinkOnce.h" // for translateLinkOnce
[bf2438c]40#include "CodeTools/TrackLoc.h" // for fillLocations
[f57faf6f]41#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[bf2438c]42#include "Common/CompilerError.h" // for CompilerError
[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/UnimplementedError.h" // for UnimplementedError
47#include "Common/utility.h" // for deleteAll, filter, printAll
[2cf3b87]48#include "Concurrency/Keywords.h" // for implementMutex, implement...
[9f5ecf5]49#include "Concurrency/Waitfor.h" // for generateWaitfor
[0c730d9]50#include "ControlStruct/ExceptDecl.h" // for translateExcept
[09366b8]51#include "ControlStruct/ExceptTranslate.h" // for translateThrows, translat...
[b8ab91a]52#include "ControlStruct/FixLabels.hpp" // for fixLabels
[a488783]53#include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls
[bf2438c]54#include "GenPoly/Box.h" // for box
55#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
56#include "GenPoly/Lvalue.h" // for convertLvalue
57#include "GenPoly/Specialize.h" // for convertSpecializations
58#include "InitTweak/FixInit.h" // for fix
59#include "InitTweak/GenInit.h" // for genInit
60#include "MakeLibCfa.h" // for makeLibCfa
61#include "Parser/ParseNode.h" // for DeclarationNode, buildList
62#include "Parser/TypedefTable.h" // for TypedefTable
[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
[51b73452]86
[3e96559]87static void NewPass( const char * const name ) {
88 Stats::Heap::newPass( name );
[1cb7fab2]89 using namespace Stats::Counters;
[b8665e3]90 {
[3e96559]91 static auto group = build<CounterGroup>( "Pass Visitor" );
92 auto pass = build<CounterGroup>( name, group );
[b8665e3]93 pass_visitor_stats.depth = 0;
[3e96559]94 pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
95 pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]96 }
97 {
[3e96559]98 static auto group = build<CounterGroup>( "Syntax Node" );
99 auto pass = build<CounterGroup>( name, group );
100 BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]101 }
[675716e]102}
103
[3e96559]104#define PASS( name, pass ) \
[ecaeac6e]105 if ( errorp ) { cerr << name << endl; } \
[675716e]106 NewPass(name); \
[4f97937]107 Stats::Time::StartBlock(name); \
108 pass; \
109 Stats::Time::StopBlock();
[0da3e2c]110
[8b7ee09]111LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]112TypedefTable typedefTable;
[cbaee0d]113DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]114
[ef22ad6]115static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]116
[bffcd66]117static string PreludeDirector = "";
[4dcaed2]118
[77d601f]119static void parse_cmdline( int argc, char * argv[] );
[8b7ee09]120static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]121static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]122static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]123
[0afffee]124static void backtrace( int start ) { // skip first N stack frames
[74330e7]125 enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]126 void * array[Frames];
[74330e7]127 size_t size = ::backtrace( array, Frames );
[0afffee]128 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
129
130 *index( messages[0], '(' ) = '\0'; // find executable name
131 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]132
[b542bfb]133 // skip last 2 stack frames after main
[74330e7]134 for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]135 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]136
137 for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]138 if ( *p == '(' ) {
[46f6134]139 mangled_name = p;
[0afffee]140 } else if ( *p == '+' ) {
[e6955b1]141 offset_begin = p;
[0afffee]142 } else if ( *p == ')' ) {
[e6955b1]143 offset_end = p;
144 break;
145 } // if
146 } // for
147
148 // if line contains symbol, attempt to demangle
[b542bfb]149 int frameNo = i - start;
[e6955b1]150 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]151 *mangled_name++ = '\0'; // delimit strings
[e6955b1]152 *offset_begin++ = '\0';
153 *offset_end++ = '\0';
154
[0afffee]155 int status;
[e6955b1]156 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]157 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]158 if ( status == 0 ) { // demangling successful ?
[b542bfb]159 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]160 << real_name << "+" << offset_begin << offset_end << endl;
161 } else { // otherwise, output mangled name
[b542bfb]162 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]163 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]164 } // if
[0afffee]165
[e6955b1]166 free( real_name );
167 } else { // otherwise, print the whole line
[b542bfb]168 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]169 } // if
170 } // for
[b542bfb]171
[e6955b1]172 free( messages );
[b542bfb]173} // backtrace
174
[bffcd66]175#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
176
[1f68d5d]177static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]178 act.sa_flags = flags;
179
180 if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]181 cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]182 _exit( EXIT_FAILURE );
183 } // if
[1f68d5d]184}
185
186static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
187 struct sigaction act;
188 act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
189 _Signal(act, sig, flags);
190} // Signal
191
192static void Signal( int sig, void (* handler)(int), int flags ) {
193 struct sigaction act;
194 act.sa_handler = handler;
195 _Signal(act, sig, flags);
[bffcd66]196} // Signal
197
198static void sigSegvBusHandler( SIGPARMS ) {
199 if ( sfp->si_addr == nullptr ) {
200 cerr << "Null pointer (nullptr) dereference." << endl;
201 } else {
202 cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
203 << "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;
204 } // if
[b542bfb]205 backtrace( 2 ); // skip first 2 stack frames
[3e96559]206 abort(); // cause core dump for debugging
[e6955b1]207} // sigSegvBusHandler
[0da3e2c]208
[74330e7]209static void sigFpeHandler( SIGPARMS ) {
210 const char * msg;
211
212 switch ( sfp->si_code ) {
213 case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
214 case FPE_FLTOVF: msg = "overflow"; break;
215 case FPE_FLTUND: msg = "underflow"; break;
216 case FPE_FLTRES: msg = "inexact result"; break;
217 case FPE_FLTINV: msg = "invalid operation"; break;
218 default: msg = "unknown";
219 } // choose
220 cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
221 << "Possible cause is constant-expression evaluation invalid." << endl;
222 backtrace( 2 ); // skip first 2 stack frames
223 abort(); // cause core dump for debugging
224} // sigFpeHandler
225
[bffcd66]226static void sigAbortHandler( SIGPARMS ) {
[b542bfb]227 backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]228 Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]229 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]230} // sigAbortHandler
231
[cbaee0d]232int main( int argc, char * argv[] ) {
[3b8e52c]233 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]234 ostream * output = & cout;
[e6955b1]235 list< Declaration * > translationUnit;
236
[bffcd66]237 Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
238 Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]239 Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]240 Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]241
[bffcd66]242 // cout << "main" << endl;
[44bca7f]243 // for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]244 // cout << '\t' << argv[i] << endl;
[44bca7f]245 // } // for
246
[e0bd0f9]247 parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]248 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]249
[ef22ad6]250 if ( waiting_for_gdb ) {
[bffcd66]251 cerr << "Waiting for gdb" << endl;
252 cerr << "run :" << endl;
253 cerr << " gdb attach " << getpid() << endl;
[dee1f89]254 raise(SIGSTOP);
[ef22ad6]255 } // if
[dee1f89]256
[b87a5ed]257 try {
[81419b5]258 // choose to read the program from a file or stdin
[3b8e52c]259 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]260 input = fopen( argv[ optind ], "r" );
[e0bd0f9]261 assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]262 optind += 1;
[3b8e52c]263 } else { // no input file name
[b87a5ed]264 input = stdin;
265 } // if
266
[79eaeb7]267 Stats::Time::StartGlobal();
[3c0d4cd]268 NewPass("Parse");
269 Stats::Time::StartBlock("Parse");
[675716e]270
[159c62e]271 // read in the builtins, extras, and the prelude
[de62360d]272 if ( ! nopreludep ) { // include gcc builtins
[faf8857]273 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]274
[37fe352]275 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]276
[807ce84]277 // Read to gcc builtins, if not generating the cfa library
[37fe352]278 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]279 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
280 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]281
[159c62e]282 // read the extra prelude in, if not generating the cfa library
[37fe352]283 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]284 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]285 parse( extras, LinkageSpec::BuiltinC );
[159c62e]286
[81419b5]287 if ( ! libcfap ) {
[faf8857]288 // read the prelude in, if not generating the cfa library
[e523b07]289 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
290 assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]291 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]292
293 // Read to cfa builtins, if not generating the cfa library
[37fe352]294 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]295 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]296 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]297 } // if
298 } // if
[81419b5]299
[926af74]300 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]301
[b87a5ed]302 if ( parsep ) {
[e6955b1]303 parseTree->printList( cout );
[0da3e2c]304 delete parseTree;
[3e96559]305 return EXIT_SUCCESS;
[b87a5ed]306 } // if
307
[0da3e2c]308 buildList( parseTree, translationUnit );
309 delete parseTree;
[cbaee0d]310 parseTree = nullptr;
[b87a5ed]311
312 if ( astp ) {
[1ab4ce2]313 dump( translationUnit );
[3e96559]314 return EXIT_SUCCESS;
[b87a5ed]315 } // if
316
[036dd5f]317 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
318 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
319 // works okay for now.
320 CodeTools::fillLocations( translationUnit );
[3c0d4cd]321 Stats::Time::StopBlock();
[036dd5f]322
[09366b8]323 if (Stats::Counters::enabled) {
324 ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New");
325 ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New");
326 }
[09f34a84]327 auto transUnit = convert( std::move( translationUnit ) );
[5f3ba11]328
[09366b8]329 forceFillCodeLocations( transUnit );
[b507dcd]330
[09366b8]331 PASS( "Translate Exception Declarations", ControlStruct::translateExcept( transUnit ) );
332 if ( exdeclp ) {
[09f34a84]333 dump( std::move( transUnit ) );
[09366b8]334 return EXIT_SUCCESS;
335 }
[ccbc65c]336
[09366b8]337 PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign( transUnit ) );
338 PASS( "Hoist Type Decls", Validate::hoistTypeDecls( transUnit ) );
339 // Hoist Type Decls pulls some declarations out of contexts where
340 // locations are not tracked. Perhaps they should be, but for now
341 // the full fill solves it.
342 forceFillCodeLocations( transUnit );
343
344 PASS( "Replace Typedefs", Validate::replaceTypedef( transUnit ) );
345 PASS( "Fix Return Types", Validate::fixReturnTypes( transUnit ) );
346 PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers( transUnit ) );
347
348 PASS( "Link Reference To Types", Validate::linkReferenceToTypes( transUnit ) );
349
350 PASS( "Fix Qualified Types", Validate::fixQualifiedTypes( transUnit ) );
351 PASS( "Hoist Struct", Validate::hoistStruct( transUnit ) );
352 PASS( "Eliminate Typedef", Validate::eliminateTypedef( transUnit ) );
353 PASS( "Validate Generic Parameters", Validate::fillGenericParameters( transUnit ) );
354 PASS( "Translate Dimensions", Validate::translateDimensionParameters( transUnit ) );
355 PASS( "Check Function Returns", Validate::checkReturnStatements( transUnit ) );
356 PASS( "Fix Return Statements", InitTweak::fixReturnStatements( transUnit ) );
357 PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords( transUnit ) );
358 PASS( "Forall Pointer Decay", Validate::decayForallPointers( transUnit ) );
359 PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls( transUnit ) );
360
361 PASS( "Generate Autogen Routines", Validate::autogenerateRoutines( transUnit ) );
362
363 PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) );
364 PASS( "Implement Thread Start", Concurrency::implementThreadStarter( transUnit ) );
365 PASS( "Compound Literal", Validate::handleCompoundLiterals( transUnit ) );
366 PASS( "Set Length From Initializer", Validate::setLengthFromInitializer( transUnit ) );
367 PASS( "Find Global Decls", Validate::findGlobalDecls( transUnit ) );
368 PASS( "Fix Label Address", Validate::fixLabelAddresses( transUnit ) );
369
370 if ( symtabp ) {
371 return EXIT_SUCCESS;
372 } // if
[ccbc65c]373
[09366b8]374 if ( expraltp ) {
375 ResolvExpr::printCandidates( transUnit );
376 return EXIT_SUCCESS;
377 } // if
[3606fe4]378
[09366b8]379 if ( validp ) {
[09f34a84]380 dump( std::move( transUnit ) );
[09366b8]381 return EXIT_SUCCESS;
382 } // if
[6a896b0]383
[09366b8]384 PASS( "Translate Throws", ControlStruct::translateThrows( transUnit ) );
385 PASS( "Fix Labels", ControlStruct::fixLabels( transUnit ) );
386 PASS( "Fix Names", CodeGen::fixNames( transUnit ) );
387 PASS( "Gen Init", InitTweak::genInit( transUnit ) );
388 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) );
[ce36b55]389
[09366b8]390 if ( libcfap ) {
391 // Generate the bodies of cfa library functions.
392 LibCfa::makeLibCfa( transUnit );
393 } // if
[1622af5]394
[09366b8]395 if ( declstatsp ) {
396 printDeclStats( transUnit );
397 return EXIT_SUCCESS;
398 } // if
[1622af5]399
[09366b8]400 if ( bresolvep ) {
[09f34a84]401 dump( std::move( transUnit ) );
[09366b8]402 return EXIT_SUCCESS;
403 } // if
[1622af5]404
[09366b8]405 if ( resolvprotop ) {
406 dumpAsResolverProto( transUnit );
407 return EXIT_SUCCESS;
408 } // if
[9f5a19fa]409
[09366b8]410 PASS( "Resolve", ResolvExpr::resolve( transUnit ) );
411 if ( exprp ) {
[09f34a84]412 dump( std::move( transUnit ) );
[09366b8]413 return EXIT_SUCCESS;
414 } // if
[68fe946e]415
[09366b8]416 forceFillCodeLocations( transUnit );
[68fe946e]417
[09366b8]418 PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary()));
[68fe946e]419
[09366b8]420 // fix ObjectDecl - replaces ConstructorInit nodes
421 if ( ctorinitp ) {
[09f34a84]422 dump( std::move( transUnit ) );
[09366b8]423 return EXIT_SUCCESS;
424 } // if
[68fe946e]425
[09366b8]426 // Currently not working due to unresolved issues with UniqueExpr
427 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]428
[09366b8]429 PASS( "Translate Tries", ControlStruct::translateTries( transUnit ) );
430 PASS( "Gen Waitfor", Concurrency::generateWaitFor( transUnit ) );
[4615ac8]431
[09366b8]432 // Needs to happen before tuple types are expanded.
433 PASS( "Convert Specializations", GenPoly::convertSpecializations( transUnit ) );
[81419b5]434
[09366b8]435 PASS( "Expand Tuples", Tuples::expandTuples( transUnit ) );
[71f4e4f]436
[09366b8]437 if ( tuplep ) {
[09f34a84]438 dump( std::move( transUnit ) );
[09366b8]439 return EXIT_SUCCESS;
440 } // if
[626dbc10]441
[09366b8]442 // Must come after Translate Tries.
443 PASS( "Virtual Expand Casts", Virtual::expandCasts( transUnit ) );
[141b786]444
[09366b8]445 PASS( "Instantiate Generics", GenPoly::instantiateGeneric( transUnit ) );
[53d3ab4b]446 if ( genericsp ) {
[7fffb1b]447 dump( std::move( transUnit ) );
[3e96559]448 return EXIT_SUCCESS;
449 } // if
[b4f8808]450
[7fffb1b]451 PASS( "Convert L-Value", GenPoly::convertLvalue( transUnit ) );
452
453 translationUnit = convert( std::move( transUnit ) );
[53d3ab4b]454
[fea7ca7]455 if ( bboxp ) {
456 dump( translationUnit );
[3e96559]457 return EXIT_SUCCESS;
[926af74]458 } // if
[675716e]459 PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]460
[aff7e86]461 PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) );
462
463 // Code has been lowered to C, now we can start generation.
464
[8905f56]465 if ( bcodegenp ) {
466 dump( translationUnit );
[3e96559]467 return EXIT_SUCCESS;
468 } // if
[8905f56]469
[13de47bc]470 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
471 output = new ofstream( argv[ optind ] );
472 } // if
[0270824]473
[7b15d7a]474 CodeTools::fillLocations( translationUnit );
[62ce290]475 PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]476
[8e48fca4]477 CodeGen::FixMain::fix( translationUnit, *output,
478 (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]479 if ( output != &cout ) {
[b87a5ed]480 delete output;
481 } // if
[77d601f]482 } catch ( SemanticErrorException & e ) {
[b87a5ed]483 if ( errorp ) {
[e6955b1]484 cerr << "---AST at error:---" << endl;
485 dump( translationUnit, cerr );
486 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]487 } // if
[d55d7a6]488 e.print();
[e6955b1]489 if ( output != &cout ) {
[b87a5ed]490 delete output;
491 } // if
[3e96559]492 return EXIT_FAILURE;
[77d601f]493 } catch ( UnimplementedError & e ) {
[e6955b1]494 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
495 if ( output != &cout ) {
[b87a5ed]496 delete output;
497 } // if
[3e96559]498 return EXIT_FAILURE;
[77d601f]499 } catch ( CompilerError & e ) {
[e6955b1]500 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]501 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]502 if ( output != &cout ) {
[b87a5ed]503 delete output;
504 } // if
[3e96559]505 return EXIT_FAILURE;
[77d601f]506 } catch ( std::bad_alloc & ) {
507 cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl;
508 backtrace( 1 );
509 abort();
[3e96559]510 } catch ( ... ) {
[bffcd66]511 exception_ptr eptr = current_exception();
[4990812]512 try {
513 if (eptr) {
[bffcd66]514 rethrow_exception(eptr);
[3e96559]515 } else {
[77d601f]516 cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl;
[3e96559]517 } // if
[77d601f]518 } catch( const exception & e ) {
519 cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n";
[3e96559]520 } // try
521 return EXIT_FAILURE;
522 } // try
[b87a5ed]523
[39786813]524 deleteAll( translationUnit );
[1cb7fab2]525 Stats::print();
[3e96559]526 return EXIT_SUCCESS;
[d9a0e76]527} // main
[51b73452]528
[0da3e2c]529
[ce31925]530static const char optstring[] = ":c:ghlLmNnpdP:S:twW:D:";
[3e96559]531
[62ce290]532enum { PreludeDir = 128 };
[3e96559]533static struct option long_opts[] = {
[1a69a90]534 { "colors", required_argument, nullptr, 'c' },
535 { "gdb", no_argument, nullptr, 'g' },
[3e96559]536 { "help", no_argument, nullptr, 'h' },
537 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]538 { "linemarks", no_argument, nullptr, 'L' },
[3e96559]539 { "no-main", no_argument, 0, 'm' },
[62ce290]540 { "no-linemarks", no_argument, nullptr, 'N' },
541 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]542 { "prototypes", no_argument, nullptr, 'p' },
[7215000]543 { "deterministic-out", no_argument, nullptr, 'd' },
[62ce290]544 { "print", required_argument, nullptr, 'P' },
545 { "prelude-dir", required_argument, nullptr, PreludeDir },
546 { "statistics", required_argument, nullptr, 'S' },
[3e96559]547 { "tree", no_argument, nullptr, 't' },
548 { "", no_argument, nullptr, 0 }, // -w
549 { "", no_argument, nullptr, 0 }, // -W
550 { "", no_argument, nullptr, 0 }, // -D
551 { nullptr, 0, nullptr, 0 }
552}; // long_opts
553
554static const char * description[] = {
[aa88cb9a]555 "diagnostic color: never, always, auto", // -c
[3e9de01]556 "wait for gdb to attach", // -g
[aa88cb9a]557 "print translator help message", // -h
[3e9de01]558 "generate libcfa.c", // -l
559 "generate line marks", // -L
560 "do not replace main", // -m
561 "do not generate line marks", // -N
562 "do not read prelude", // -n
[aa88cb9a]563 "do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]564 "only print deterministic output", // -d
565 "print", // -P
[62ce290]566 "<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]567 "<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]568 "building cfa standard lib", // -t
569 "", // -w
570 "", // -W
571 "", // -D
[3e96559]572}; // description
573
[0c0f548]574static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]575
576static struct Printopts {
577 const char * name;
578 int & flag;
579 int val;
580 const char * descript;
581} printopts[] = {
[0e464f6]582 { "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
583 { "asterr", errorp, true, "print AST on error" },
[62ce290]584 { "declstats", declstatsp, true, "code property statistics" },
585 { "parse", yydebug, true, "yacc (parsing) debug information" },
586 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
587 { "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]588 { "rsteps", resolvep, true, "print resolver steps" },
589 { "tree", parsep, true, "print parse tree" },
590 // code dumps
591 { "ast", astp, true, "print AST after parsing" },
[00da199]592 { "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]593 { "symevt", symtabp, true, "print AST after symbol table events" },
594 { "altexpr", expraltp, true, "print alternatives for expressions" },
595 { "astdecl", validp, true, "print AST after declaration validation pass" },
596 { "resolver", bresolvep, true, "print AST before resolver step" },
597 { "astexpr", exprp, true, "print AST after expression analysis" },
598 { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
599 { "tuple", tuplep, true, "print AST after tuple expansion" },
600 { "astgen", genericsp, true, "print AST after instantiate generics" },
601 { "box", bboxp, true, "print AST before box step" },
602 { "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]603};
604enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
605
[77d601f]606static void usage( char * argv[] ) {
[e0bd0f9]607 cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]608 int i = 0, j = 1; // j skips starting colon
609 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
610 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]611 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
612 cout << " -" << optstring[j] << ",";
613 } else { // no flag
614 j -= 1; // compensate
615 cout << " ";
616 } // if
617 cout << " --" << left << setw(12) << long_opts[i].name << " ";
618 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
619 cout << "one of: " << endl;
620 for ( int i = 0; i < printoptsSize; i += 1 ) {
621 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
622 } // for
623 } else {
624 cout << description[i] << endl;
625 } // if
[3e96559]626 } // if
[62ce290]627 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]628 } // for
629 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
630 exit( EXIT_FAILURE );
631} // usage
632
[e0bd0f9]633static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]634 opterr = 0; // (global) prevent getopt from printing error messages
635
[c5e5109]636 bool Wsuppress = false, Werror = false;
[0da3e2c]637 int c;
[3e96559]638 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]639 switch ( c ) {
[1a69a90]640 case 'c': // diagnostic colors
641 if ( strcmp( optarg, "always" ) == 0 ) {
642 ErrorHelpers::colors = ErrorHelpers::Colors::Always;
643 } else if ( strcmp( optarg, "never" ) == 0 ) {
644 ErrorHelpers::colors = ErrorHelpers::Colors::Never;
645 } else if ( strcmp( optarg, "auto" ) == 0 ) {
646 ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
647 } // if
648 break;
[3e96559]649 case 'h': // help message
650 usage( argv ); // no return
[53d3ab4b]651 break;
[3e96559]652 case 'l': // generate libcfa.c
[0da3e2c]653 libcfap = true;
654 break;
[62ce290]655 case 'L': // generate line marks
[6de43b6]656 linemarks = true;
[c850687]657 break;
[3e96559]658 case 'm': // do not replace main
659 nomainp = true;
[0da3e2c]660 break;
[62ce290]661 case 'N': // do not generate line marks
[6de43b6]662 linemarks = false;
[c59bde6]663 break;
[62ce290]664 case 'n': // do not read prelude
[3e96559]665 nopreludep = true;
[0da3e2c]666 break;
[62ce290]667 case 'p': // generate prototypes for prelude functions
668 genproto = true;
[0da3e2c]669 break;
[7215000]670 case 'd': // don't print non-deterministic output
[a77257be]671 deterministic_output = true;
672 break;
[62ce290]673 case 'P': // print options
674 for ( int i = 0;; i += 1 ) {
675 if ( i == printoptsSize ) {
676 cout << "Unknown --print option " << optarg << endl;
677 goto Default;
678 } // if
679 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
680 printopts[i].flag = printopts[i].val;
681 break;
682 } // if
683 } // for
[0da3e2c]684 break;
[62ce290]685 case PreludeDir: // prelude directory for debug/nodebug, hidden
686 PreludeDirector = optarg;
[3b3491b6]687 break;
[3e96559]688 case 'S': // enable profiling information, argument comma separated list of names
689 Stats::parse_params( optarg );
[ebcc940]690 break;
[dee1f89]691 case 't': // building cfa stdlib
[0da3e2c]692 treep = true;
693 break;
[dee1f89]694 case 'g': // wait for gdb
695 waiting_for_gdb = true;
696 break;
[3e96559]697 case 'w': // suppress all warnings, hidden
[c5e5109]698 Wsuppress = true;
[44bca7f]699 break;
[3e96559]700 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]701 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]702 SemanticWarning_EnableAll();
[44bca7f]703 } else if ( strcmp( optarg, "error" ) == 0 ) {
704 Werror = true;
705 } else {
706 char * warning = optarg;
707 Severity s;
708 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
709 warning += 3;
710 s = Severity::Suppress;
711 } else {
712 s = Severity::Warn;
713 } // if
[68e9ace]714 SemanticWarning_Set( warning, s );
[44bca7f]715 } // if
716 break;
[3e96559]717 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]718 break;
[3e96559]719 case '?': // unknown option
720 if ( optopt ) { // short option ?
721 cout << "Unknown option -" << (char)optopt << endl;
722 } else {
723 cout << "Unknown option " << argv[optind - 1] << endl;
724 } // if
725 goto Default;
726 case ':': // missing option
[ae47a23]727 if ( optopt ) { // short option ?
[3e96559]728 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]729 } else {
[3e96559]730 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]731 } // if
[3e96559]732 goto Default;
733 Default:
734 default:
735 usage( argv ); // no return
[0da3e2c]736 } // switch
737 } // while
[44bca7f]738
739 if ( Werror ) {
[68e9ace]740 SemanticWarning_WarningAsError();
[44bca7f]741 } // if
[c5e5109]742 if ( Wsuppress ) {
743 SemanticWarning_SuppressAll();
744 } // if
[44bca7f]745 // for ( const auto w : WarningFormats ) {
746 // cout << w.name << ' ' << (int)w.severity << endl;
747 // } // for
[0da3e2c]748} // parse_cmdline
749
[8b7ee09]750static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]751 extern int yyparse( void );
[cbaee0d]752 extern FILE * yyin;
[0da3e2c]753 extern int yylineno;
754
[8b7ee09]755 ::linkage = linkage; // set globals
[0da3e2c]756 yyin = input;
757 yylineno = 1;
758 int parseStatus = yyparse();
[81419b5]759
760 fclose( input );
[0da3e2c]761 if ( shouldExit || parseStatus != 0 ) {
762 exit( parseStatus );
[81419b5]763 } // if
[0da3e2c]764} // parse
[81419b5]765
[1ab4ce2]766static bool notPrelude( Declaration * decl ) {
767 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]768} // notPrelude
[1ab4ce2]769
[e6955b1]770static void dump( list< Declaration * > & translationUnit, ostream & out ) {
771 list< Declaration * > decls;
[926af74]772
[62ce290]773 if ( genproto ) {
[e6955b1]774 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]775 } else {
776 decls = translationUnit;
[926af74]777 } // if
[1ab4ce2]778
[e39241b]779 // depending on commandline options, either generate code or dump the AST
780 if ( codegenp ) {
[62ce290]781 CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]782 } else {
783 printAll( decls, out );
[3e96559]784 } // if
[7f5566b]785 deleteAll( translationUnit );
[0da3e2c]786} // dump
[1ab4ce2]787
[e499381]788static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
[09f34a84]789 std::list< Declaration * > translationUnit = convert( std::move( transUnit ) );
[e499381]790 dump( translationUnit, out );
791}
792
[51b73452]793// Local Variables: //
[b87a5ed]794// tab-width: 4 //
795// mode: c++ //
796// compile-command: "make install" //
[51b73452]797// End: //
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