source: src/main.cc@ 6f7aff3

ADT ast-experimental enum pthread-emulation qualifiedEnum
Last change on this file since 6f7aff3 was 9f5a19fa, checked in by Henry Xue <y58xue@…>, 4 years ago

Enable expandMemberTuples new AST pass

Other work still needs to be done (e.g. convert CodeTools "passes"
to use new AST)
  • Property mode set to 100644
File size: 27.6 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
[0c730d9]11// Last Modified By : Henry Xue
[9f5a19fa]12// Last Modified On : Mon Aug 23 15:42:08 2021
13// Update Count : 650
[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/DeclStats.h" // for printDeclStats
[3b3491b6]41#include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto
[bf2438c]42#include "CodeTools/TrackLoc.h" // for fillLocations
[f57faf6f]43#include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations
[bf2438c]44#include "Common/CompilerError.h" // for CompilerError
[7abee38]45#include "Common/Stats.h"
[cbbd5b48]46#include "Common/PassVisitor.h"
[bf2438c]47#include "Common/SemanticError.h" // for SemanticError
48#include "Common/UnimplementedError.h" // for UnimplementedError
49#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]50#include "Concurrency/Waitfor.h" // for generateWaitfor
[0c730d9]51#include "ControlStruct/ExceptDecl.h" // for translateExcept
[bf2438c]52#include "ControlStruct/ExceptTranslate.h" // for translateEHM
53#include "ControlStruct/Mutate.h" // for mutate
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
63#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
64#include "ResolvExpr/Resolver.h" // for resolve
65#include "SymTab/Validate.h" // for validate
[bffcd66]66#include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic
[bf2438c]67#include "SynTree/Declaration.h" // for Declaration
68#include "SynTree/Visitor.h" // for acceptAll
69#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]70#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]71
[4615ac8]72
[3e96559]73static void NewPass( const char * const name ) {
74 Stats::Heap::newPass( name );
[1cb7fab2]75 using namespace Stats::Counters;
[b8665e3]76 {
[3e96559]77 static auto group = build<CounterGroup>( "Pass Visitor" );
78 auto pass = build<CounterGroup>( name, group );
[b8665e3]79 pass_visitor_stats.depth = 0;
[3e96559]80 pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
81 pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]82 }
83 {
[3e96559]84 static auto group = build<CounterGroup>( "Syntax Node" );
85 auto pass = build<CounterGroup>( name, group );
86 BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]87 }
[675716e]88}
89
[3e96559]90#define PASS( name, pass ) \
[ecaeac6e]91 if ( errorp ) { cerr << name << endl; } \
[675716e]92 NewPass(name); \
[4f97937]93 Stats::Time::StartBlock(name); \
94 pass; \
95 Stats::Time::StopBlock();
[0da3e2c]96
[8b7ee09]97LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]98TypedefTable typedefTable;
[cbaee0d]99DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]100
[ef22ad6]101static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start
[dee1f89]102
[bffcd66]103static string PreludeDirector = "";
[4dcaed2]104
[77d601f]105static void parse_cmdline( int argc, char * argv[] );
[8b7ee09]106static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]107static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
[e499381]108static void dump( ast::TranslationUnit && transUnit, ostream & out = cout );
[e6955b1]109
[0afffee]110static void backtrace( int start ) { // skip first N stack frames
[74330e7]111 enum { Frames = 50, }; // maximum number of stack frames
[e6955b1]112 void * array[Frames];
[74330e7]113 size_t size = ::backtrace( array, Frames );
[0afffee]114 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
115
116 *index( messages[0], '(' ) = '\0'; // find executable name
117 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]118
[b542bfb]119 // skip last 2 stack frames after main
[74330e7]120 for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]121 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
[7006ba5]122
123 for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset
[0afffee]124 if ( *p == '(' ) {
[46f6134]125 mangled_name = p;
[0afffee]126 } else if ( *p == '+' ) {
[e6955b1]127 offset_begin = p;
[0afffee]128 } else if ( *p == ')' ) {
[e6955b1]129 offset_end = p;
130 break;
131 } // if
132 } // for
133
134 // if line contains symbol, attempt to demangle
[b542bfb]135 int frameNo = i - start;
[e6955b1]136 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]137 *mangled_name++ = '\0'; // delimit strings
[e6955b1]138 *offset_begin++ = '\0';
139 *offset_end++ = '\0';
140
[0afffee]141 int status;
[e6955b1]142 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]143 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]144 if ( status == 0 ) { // demangling successful ?
[b542bfb]145 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]146 << real_name << "+" << offset_begin << offset_end << endl;
147 } else { // otherwise, output mangled name
[b542bfb]148 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]149 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]150 } // if
[0afffee]151
[e6955b1]152 free( real_name );
153 } else { // otherwise, print the whole line
[b542bfb]154 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]155 } // if
156 } // for
[b542bfb]157
[e6955b1]158 free( messages );
[b542bfb]159} // backtrace
160
[bffcd66]161#define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused ))
162
[1f68d5d]163static void _Signal(struct sigaction & act, int sig, int flags ) {
[bffcd66]164 act.sa_flags = flags;
165
166 if ( sigaction( sig, &act, nullptr ) == -1 ) {
[77d601f]167 cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl;
[bffcd66]168 _exit( EXIT_FAILURE );
169 } // if
[1f68d5d]170}
171
172static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) {
173 struct sigaction act;
174 act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
175 _Signal(act, sig, flags);
176} // Signal
177
178static void Signal( int sig, void (* handler)(int), int flags ) {
179 struct sigaction act;
180 act.sa_handler = handler;
181 _Signal(act, sig, flags);
[bffcd66]182} // Signal
183
184static void sigSegvBusHandler( SIGPARMS ) {
185 if ( sfp->si_addr == nullptr ) {
186 cerr << "Null pointer (nullptr) dereference." << endl;
187 } else {
188 cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl
189 << "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;
190 } // if
[b542bfb]191 backtrace( 2 ); // skip first 2 stack frames
[3e96559]192 abort(); // cause core dump for debugging
[e6955b1]193} // sigSegvBusHandler
[0da3e2c]194
[74330e7]195static void sigFpeHandler( SIGPARMS ) {
196 const char * msg;
197
198 switch ( sfp->si_code ) {
199 case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break;
200 case FPE_FLTOVF: msg = "overflow"; break;
201 case FPE_FLTUND: msg = "underflow"; break;
202 case FPE_FLTRES: msg = "inexact result"; break;
203 case FPE_FLTINV: msg = "invalid operation"; break;
204 default: msg = "unknown";
205 } // choose
206 cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl
207 << "Possible cause is constant-expression evaluation invalid." << endl;
208 backtrace( 2 ); // skip first 2 stack frames
209 abort(); // cause core dump for debugging
210} // sigFpeHandler
211
[bffcd66]212static void sigAbortHandler( SIGPARMS ) {
[b542bfb]213 backtrace( 6 ); // skip first 6 stack frames
[1f68d5d]214 Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler
[9be45a2]215 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]216} // sigAbortHandler
217
[cbaee0d]218int main( int argc, char * argv[] ) {
[3b8e52c]219 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]220 ostream * output = & cout;
[e6955b1]221 list< Declaration * > translationUnit;
222
[bffcd66]223 Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO );
224 Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO );
[74330e7]225 Signal( SIGFPE, sigFpeHandler, SA_SIGINFO );
[bffcd66]226 Signal( SIGABRT, sigAbortHandler, SA_SIGINFO );
[b87a5ed]227
[bffcd66]228 // cout << "main" << endl;
[44bca7f]229 // for ( int i = 0; i < argc; i += 1 ) {
[bffcd66]230 // cout << '\t' << argv[i] << endl;
[44bca7f]231 // } // for
232
[e0bd0f9]233 parse_cmdline( argc, argv ); // process command-line arguments
[13de47bc]234 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]235
[ef22ad6]236 if ( waiting_for_gdb ) {
[bffcd66]237 cerr << "Waiting for gdb" << endl;
238 cerr << "run :" << endl;
239 cerr << " gdb attach " << getpid() << endl;
[dee1f89]240 raise(SIGSTOP);
[ef22ad6]241 } // if
[dee1f89]242
[b87a5ed]243 try {
[81419b5]244 // choose to read the program from a file or stdin
[3b8e52c]245 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]246 input = fopen( argv[ optind ], "r" );
[e0bd0f9]247 assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) );
[b87a5ed]248 optind += 1;
[3b8e52c]249 } else { // no input file name
[b87a5ed]250 input = stdin;
251 } // if
252
[79eaeb7]253 Stats::Time::StartGlobal();
[3c0d4cd]254 NewPass("Parse");
255 Stats::Time::StartBlock("Parse");
[675716e]256
[159c62e]257 // read in the builtins, extras, and the prelude
[de62360d]258 if ( ! nopreludep ) { // include gcc builtins
[faf8857]259 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]260
[37fe352]261 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]262
[807ce84]263 // Read to gcc builtins, if not generating the cfa library
[37fe352]264 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]265 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
266 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]267
[159c62e]268 // read the extra prelude in, if not generating the cfa library
[37fe352]269 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]270 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]271 parse( extras, LinkageSpec::BuiltinC );
[159c62e]272
[81419b5]273 if ( ! libcfap ) {
[faf8857]274 // read the prelude in, if not generating the cfa library
[e523b07]275 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
276 assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]277 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]278
279 // Read to cfa builtins, if not generating the cfa library
[37fe352]280 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]281 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]282 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]283 } // if
284 } // if
[81419b5]285
[926af74]286 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]287
[b87a5ed]288 if ( parsep ) {
[e6955b1]289 parseTree->printList( cout );
[0da3e2c]290 delete parseTree;
[3e96559]291 return EXIT_SUCCESS;
[b87a5ed]292 } // if
293
[0da3e2c]294 buildList( parseTree, translationUnit );
295 delete parseTree;
[cbaee0d]296 parseTree = nullptr;
[b87a5ed]297
298 if ( astp ) {
[1ab4ce2]299 dump( translationUnit );
[3e96559]300 return EXIT_SUCCESS;
[b87a5ed]301 } // if
302
[036dd5f]303 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
304 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
305 // works okay for now.
306 CodeTools::fillLocations( translationUnit );
[3c0d4cd]307 Stats::Time::StopBlock();
[036dd5f]308
[0c730d9]309 PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) );
[00da199]310 if ( exdeclp ) {
311 dump( translationUnit );
312 return EXIT_SUCCESS;
313 } // if
[0c730d9]314
[839ccbb]315 // add the assignment statement after the initialization of a type parameter
[675716e]316 PASS( "Validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]317 if ( symtabp ) {
[46f6134]318 deleteAll( translationUnit );
[3e96559]319 return EXIT_SUCCESS;
[b87a5ed]320 } // if
321
[81419b5]322 if ( expraltp ) {
[bff09c8]323 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]324 acceptAll( translationUnit, printer );
[3e96559]325 return EXIT_SUCCESS;
[b87a5ed]326 } // if
327
328 if ( validp ) {
[1ab4ce2]329 dump( translationUnit );
[3e96559]330 return EXIT_SUCCESS;
[b87a5ed]331 } // if
332
[046a890]333 PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) );
[675716e]334 PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
335 PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
336 PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
[9f5a19fa]337
[81419b5]338 if ( libcfap ) {
339 // generate the bodies of cfa library functions
340 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]341 } // if
342
[fa2de95]343 if ( declstatsp ) {
344 CodeTools::printDeclStats( translationUnit );
345 deleteAll( translationUnit );
[3e96559]346 return EXIT_SUCCESS;
347 } // if
[fa2de95]348
[de62360d]349 if ( bresolvep ) {
[1ab4ce2]350 dump( translationUnit );
[3e96559]351 return EXIT_SUCCESS;
[de62360d]352 } // if
353
[76b378d]354 CodeTools::fillLocations( translationUnit );
355
[3b3491b6]356 if ( resolvprotop ) {
357 CodeTools::dumpAsResolvProto( translationUnit );
[3e96559]358 return EXIT_SUCCESS;
359 } // if
[3b3491b6]360
[4a8f150]361 if( useNewAST ) {
[3746f777]362 if (Stats::Counters::enabled) {
363 ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New");
364 ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New");
365 }
[9ea38de]366 auto transUnit = convert( move( translationUnit ) );
[9f5a19fa]367
368 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) );
369
[9ea38de]370 PASS( "Resolve", ResolvExpr::resolve( transUnit ) );
[490fb92e]371 if ( exprp ) {
[e499381]372 dump( move( transUnit ) );
[490fb92e]373 return EXIT_SUCCESS;
374 } // if
375
[f57faf6f]376 forceFillCodeLocations( transUnit );
[4a8f150]377
[490fb92e]378 PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary()));
[9ea38de]379 translationUnit = convert( move( transUnit ) );
[a77257be]380 } else {
[9f5a19fa]381 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
382
[a77257be]383 PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[490fb92e]384 if ( exprp ) {
385 dump( translationUnit );
386 return EXIT_SUCCESS;
387 }
[4615ac8]388
[490fb92e]389 PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
390 }
[81419b5]391
[71f4e4f]392 // fix ObjectDecl - replaces ConstructorInit nodes
[ca1c11f]393 if ( ctorinitp ) {
394 dump ( translationUnit );
[3e96559]395 return EXIT_SUCCESS;
[926af74]396 } // if
[71f4e4f]397
[675716e]398 PASS( "Expand Unique Expr", Tuples::expandUniqueExpr( translationUnit ) ); // 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
[626dbc10]399
[046a890]400 PASS( "Translate Tries" , ControlStruct::translateTries( translationUnit ) );
[6edd210]401
[675716e]402 PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]403
[675716e]404 PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]405
[675716e]406 PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]407
408 if ( tuplep ) {
409 dump( translationUnit );
[3e96559]410 return EXIT_SUCCESS;
411 } // if
[141b786]412
[675716e]413 PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]414
[675716e]415 PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]416 if ( genericsp ) {
417 dump( translationUnit );
[3e96559]418 return EXIT_SUCCESS;
419 } // if
[b4f8808]420
[675716e]421 PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[53d3ab4b]422
[fea7ca7]423 if ( bboxp ) {
424 dump( translationUnit );
[3e96559]425 return EXIT_SUCCESS;
[926af74]426 } // if
[675716e]427 PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]428
[aff7e86]429 PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) );
430
431 // Code has been lowered to C, now we can start generation.
432
[8905f56]433 if ( bcodegenp ) {
434 dump( translationUnit );
[3e96559]435 return EXIT_SUCCESS;
436 } // if
[8905f56]437
[13de47bc]438 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
439 output = new ofstream( argv[ optind ] );
440 } // if
[0270824]441
[7b15d7a]442 CodeTools::fillLocations( translationUnit );
[62ce290]443 PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]444
[37fe352]445 CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]446 if ( output != &cout ) {
[b87a5ed]447 delete output;
448 } // if
[77d601f]449 } catch ( SemanticErrorException & e ) {
[b87a5ed]450 if ( errorp ) {
[e6955b1]451 cerr << "---AST at error:---" << endl;
452 dump( translationUnit, cerr );
453 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]454 } // if
[d55d7a6]455 e.print();
[e6955b1]456 if ( output != &cout ) {
[b87a5ed]457 delete output;
458 } // if
[3e96559]459 return EXIT_FAILURE;
[77d601f]460 } catch ( UnimplementedError & e ) {
[e6955b1]461 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
462 if ( output != &cout ) {
[b87a5ed]463 delete output;
464 } // if
[3e96559]465 return EXIT_FAILURE;
[77d601f]466 } catch ( CompilerError & e ) {
[e6955b1]467 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]468 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]469 if ( output != &cout ) {
[b87a5ed]470 delete output;
471 } // if
[3e96559]472 return EXIT_FAILURE;
[77d601f]473 } catch ( std::bad_alloc & ) {
474 cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl;
475 backtrace( 1 );
476 abort();
[3e96559]477 } catch ( ... ) {
[bffcd66]478 exception_ptr eptr = current_exception();
[4990812]479 try {
480 if (eptr) {
[bffcd66]481 rethrow_exception(eptr);
[3e96559]482 } else {
[77d601f]483 cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl;
[3e96559]484 } // if
[77d601f]485 } catch( const exception & e ) {
486 cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n";
[3e96559]487 } // try
488 return EXIT_FAILURE;
489 } // try
[b87a5ed]490
[39786813]491 deleteAll( translationUnit );
[1cb7fab2]492 Stats::print();
[3e96559]493 return EXIT_SUCCESS;
[d9a0e76]494} // main
[51b73452]495
[0da3e2c]496
[3e9de01]497static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:";
[3e96559]498
[62ce290]499enum { PreludeDir = 128 };
[3e96559]500static struct option long_opts[] = {
[1a69a90]501 { "colors", required_argument, nullptr, 'c' },
502 { "gdb", no_argument, nullptr, 'g' },
[3e96559]503 { "help", no_argument, nullptr, 'h' },
504 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]505 { "linemarks", no_argument, nullptr, 'L' },
[3e96559]506 { "no-main", no_argument, 0, 'm' },
[62ce290]507 { "no-linemarks", no_argument, nullptr, 'N' },
508 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]509 { "prototypes", no_argument, nullptr, 'p' },
[7215000]510 { "deterministic-out", no_argument, nullptr, 'd' },
[a77257be]511 { "old-ast", no_argument, nullptr, 'O'},
512 { "new-ast", no_argument, nullptr, 'A'},
[62ce290]513 { "print", required_argument, nullptr, 'P' },
514 { "prelude-dir", required_argument, nullptr, PreludeDir },
515 { "statistics", required_argument, nullptr, 'S' },
[3e96559]516 { "tree", no_argument, nullptr, 't' },
517 { "", no_argument, nullptr, 0 }, // -w
518 { "", no_argument, nullptr, 0 }, // -W
519 { "", no_argument, nullptr, 0 }, // -D
520 { nullptr, 0, nullptr, 0 }
521}; // long_opts
522
523static const char * description[] = {
[aa88cb9a]524 "diagnostic color: never, always, auto", // -c
[3e9de01]525 "wait for gdb to attach", // -g
[aa88cb9a]526 "print translator help message", // -h
[3e9de01]527 "generate libcfa.c", // -l
528 "generate line marks", // -L
529 "do not replace main", // -m
530 "do not generate line marks", // -N
531 "do not read prelude", // -n
[aa88cb9a]532 "do not generate prelude prototypes => prelude not printed", // -p
[3e9de01]533 "only print deterministic output", // -d
534 "Use the old-ast", // -O
535 "Use the new-ast", // -A
536 "print", // -P
[62ce290]537 "<directory> prelude directory for debug/nodebug", // no flag
[aa88cb9a]538 "<option-list> enable profiling information: counters, heap, time, all, none", // -S
[3e9de01]539 "building cfa standard lib", // -t
540 "", // -w
541 "", // -W
542 "", // -D
[3e96559]543}; // description
544
[0c0f548]545static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]546
547static struct Printopts {
548 const char * name;
549 int & flag;
550 int val;
551 const char * descript;
552} printopts[] = {
[0e464f6]553 { "ascodegen", codegenp, true, "print AST as codegen rather than AST" },
554 { "asterr", errorp, true, "print AST on error" },
[62ce290]555 { "declstats", declstatsp, true, "code property statistics" },
556 { "parse", yydebug, true, "yacc (parsing) debug information" },
557 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
558 { "rproto", resolvprotop, true, "resolver-proto instance" },
[0e464f6]559 { "rsteps", resolvep, true, "print resolver steps" },
560 { "tree", parsep, true, "print parse tree" },
561 // code dumps
562 { "ast", astp, true, "print AST after parsing" },
[00da199]563 { "exdecl", exdeclp, true, "print AST after translating exception decls" },
[0e464f6]564 { "symevt", symtabp, true, "print AST after symbol table events" },
565 { "altexpr", expraltp, true, "print alternatives for expressions" },
566 { "astdecl", validp, true, "print AST after declaration validation pass" },
567 { "resolver", bresolvep, true, "print AST before resolver step" },
568 { "astexpr", exprp, true, "print AST after expression analysis" },
569 { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" },
570 { "tuple", tuplep, true, "print AST after tuple expansion" },
571 { "astgen", genericsp, true, "print AST after instantiate generics" },
572 { "box", bboxp, true, "print AST before box step" },
573 { "codegen", bcodegenp, true, "print AST before code generation" },
[62ce290]574};
575enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
576
[77d601f]577static void usage( char * argv[] ) {
[e0bd0f9]578 cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl;
[3e96559]579 int i = 0, j = 1; // j skips starting colon
580 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
581 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]582 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
583 cout << " -" << optstring[j] << ",";
584 } else { // no flag
585 j -= 1; // compensate
586 cout << " ";
587 } // if
588 cout << " --" << left << setw(12) << long_opts[i].name << " ";
589 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
590 cout << "one of: " << endl;
591 for ( int i = 0; i < printoptsSize; i += 1 ) {
592 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
593 } // for
594 } else {
595 cout << description[i] << endl;
596 } // if
[3e96559]597 } // if
[62ce290]598 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]599 } // for
600 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
601 exit( EXIT_FAILURE );
602} // usage
603
[e0bd0f9]604static void parse_cmdline( int argc, char * argv[] ) {
[0da3e2c]605 opterr = 0; // (global) prevent getopt from printing error messages
606
[c5e5109]607 bool Wsuppress = false, Werror = false;
[0da3e2c]608 int c;
[3e96559]609 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]610 switch ( c ) {
[1a69a90]611 case 'c': // diagnostic colors
612 if ( strcmp( optarg, "always" ) == 0 ) {
613 ErrorHelpers::colors = ErrorHelpers::Colors::Always;
614 } else if ( strcmp( optarg, "never" ) == 0 ) {
615 ErrorHelpers::colors = ErrorHelpers::Colors::Never;
616 } else if ( strcmp( optarg, "auto" ) == 0 ) {
617 ErrorHelpers::colors = ErrorHelpers::Colors::Auto;
618 } // if
619 break;
[3e96559]620 case 'h': // help message
621 usage( argv ); // no return
[53d3ab4b]622 break;
[3e96559]623 case 'l': // generate libcfa.c
[0da3e2c]624 libcfap = true;
625 break;
[62ce290]626 case 'L': // generate line marks
[6de43b6]627 linemarks = true;
[c850687]628 break;
[3e96559]629 case 'm': // do not replace main
630 nomainp = true;
[0da3e2c]631 break;
[62ce290]632 case 'N': // do not generate line marks
[6de43b6]633 linemarks = false;
[c59bde6]634 break;
[62ce290]635 case 'n': // do not read prelude
[3e96559]636 nopreludep = true;
[0da3e2c]637 break;
[62ce290]638 case 'p': // generate prototypes for prelude functions
639 genproto = true;
[0da3e2c]640 break;
[7215000]641 case 'd': // don't print non-deterministic output
[a77257be]642 deterministic_output = true;
643 break;
644 case 'O': // don't print non-deterministic output
645 useNewAST = false;
646 break;
647 case 'A': // don't print non-deterministic output
648 useNewAST = true;
[7215000]649 break;
[62ce290]650 case 'P': // print options
651 for ( int i = 0;; i += 1 ) {
652 if ( i == printoptsSize ) {
653 cout << "Unknown --print option " << optarg << endl;
654 goto Default;
655 } // if
656 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
657 printopts[i].flag = printopts[i].val;
658 break;
659 } // if
660 } // for
[0da3e2c]661 break;
[62ce290]662 case PreludeDir: // prelude directory for debug/nodebug, hidden
663 PreludeDirector = optarg;
[3b3491b6]664 break;
[3e96559]665 case 'S': // enable profiling information, argument comma separated list of names
666 Stats::parse_params( optarg );
[ebcc940]667 break;
[dee1f89]668 case 't': // building cfa stdlib
[0da3e2c]669 treep = true;
670 break;
[dee1f89]671 case 'g': // wait for gdb
672 waiting_for_gdb = true;
673 break;
[3e96559]674 case 'w': // suppress all warnings, hidden
[c5e5109]675 Wsuppress = true;
[44bca7f]676 break;
[3e96559]677 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]678 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]679 SemanticWarning_EnableAll();
[44bca7f]680 } else if ( strcmp( optarg, "error" ) == 0 ) {
681 Werror = true;
682 } else {
683 char * warning = optarg;
684 Severity s;
685 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
686 warning += 3;
687 s = Severity::Suppress;
688 } else {
689 s = Severity::Warn;
690 } // if
[68e9ace]691 SemanticWarning_Set( warning, s );
[44bca7f]692 } // if
693 break;
[3e96559]694 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]695 break;
[3e96559]696 case '?': // unknown option
697 if ( optopt ) { // short option ?
698 cout << "Unknown option -" << (char)optopt << endl;
699 } else {
700 cout << "Unknown option " << argv[optind - 1] << endl;
701 } // if
702 goto Default;
703 case ':': // missing option
[ae47a23]704 if ( optopt ) { // short option ?
[3e96559]705 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]706 } else {
[3e96559]707 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]708 } // if
[3e96559]709 goto Default;
710 Default:
711 default:
712 usage( argv ); // no return
[0da3e2c]713 } // switch
714 } // while
[44bca7f]715
716 if ( Werror ) {
[68e9ace]717 SemanticWarning_WarningAsError();
[44bca7f]718 } // if
[c5e5109]719 if ( Wsuppress ) {
720 SemanticWarning_SuppressAll();
721 } // if
[44bca7f]722 // for ( const auto w : WarningFormats ) {
723 // cout << w.name << ' ' << (int)w.severity << endl;
724 // } // for
[0da3e2c]725} // parse_cmdline
726
[8b7ee09]727static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]728 extern int yyparse( void );
[cbaee0d]729 extern FILE * yyin;
[0da3e2c]730 extern int yylineno;
731
[8b7ee09]732 ::linkage = linkage; // set globals
[0da3e2c]733 yyin = input;
734 yylineno = 1;
735 int parseStatus = yyparse();
[81419b5]736
737 fclose( input );
[0da3e2c]738 if ( shouldExit || parseStatus != 0 ) {
739 exit( parseStatus );
[81419b5]740 } // if
[0da3e2c]741} // parse
[81419b5]742
[1ab4ce2]743static bool notPrelude( Declaration * decl ) {
744 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]745} // notPrelude
[1ab4ce2]746
[e6955b1]747static void dump( list< Declaration * > & translationUnit, ostream & out ) {
748 list< Declaration * > decls;
[926af74]749
[62ce290]750 if ( genproto ) {
[e6955b1]751 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]752 } else {
753 decls = translationUnit;
[926af74]754 } // if
[1ab4ce2]755
[e39241b]756 // depending on commandline options, either generate code or dump the AST
757 if ( codegenp ) {
[62ce290]758 CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]759 } else {
760 printAll( decls, out );
[3e96559]761 } // if
[7f5566b]762 deleteAll( translationUnit );
[0da3e2c]763} // dump
[1ab4ce2]764
[e499381]765static void dump( ast::TranslationUnit && transUnit, ostream & out ) {
766 std::list< Declaration * > translationUnit = convert( move( transUnit ) );
767 dump( translationUnit, out );
768}
769
[51b73452]770// Local Variables: //
[b87a5ed]771// tab-width: 4 //
772// mode: c++ //
773// compile-command: "make install" //
[51b73452]774// End: //
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