source: src/main.cc@ 336d0b3

ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 336d0b3 was 6a625de, checked in by Thierry Delisle <tdelisle@…>, 6 years ago

Some clean-up, some more assertions to check assumptions and changes to node.hpp
  • Property mode set to 100644
File size: 23.0 KB
RevLine 
[b87a5ed]1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[71f4e4f]7// main.cc --
[b87a5ed]8//
[3e96559]9// Author : Peter Buhr and Rob Schluntz
[b87a5ed]10// Created On : Fri May 15 23:12:02 2015
[c59bde6]11// Last Modified By : Peter A. Buhr
[62ce290]12// Last Modified On : Fri May 3 16:10:52 2019
13// Update Count : 599
[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...
19#include <signal.h> // for signal, SIGABRT, SIGSEGV
[08fc48f]20#include <cassert> // for assertf
[bf2438c]21#include <cstdio> // for fopen, FILE, fclose, stdin
22#include <cstdlib> // for exit, free, abort, EXIT_F...
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
[7f38b67a]31#include "CompilationState.h"
[bf2438c]32#include "../config.h" // for CFA_LIBDIR
33#include "CodeGen/FixMain.h" // for FixMain
34#include "CodeGen/FixNames.h" // for fixNames
35#include "CodeGen/Generate.h" // for generate
36#include "CodeTools/DeclStats.h" // for printDeclStats
[3b3491b6]37#include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto
[bf2438c]38#include "CodeTools/TrackLoc.h" // for fillLocations
39#include "Common/CompilerError.h" // for CompilerError
[7abee38]40#include "Common/Stats.h"
[cbbd5b48]41#include "Common/PassVisitor.h"
[6a625de]42// #include "AST/Pass.hpp"
[bf2438c]43#include "Common/SemanticError.h" // for SemanticError
44#include "Common/UnimplementedError.h" // for UnimplementedError
45#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]46#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]47#include "ControlStruct/ExceptTranslate.h" // for translateEHM
48#include "ControlStruct/Mutate.h" // for mutate
49#include "GenPoly/Box.h" // for box
50#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
51#include "GenPoly/Lvalue.h" // for convertLvalue
52#include "GenPoly/Specialize.h" // for convertSpecializations
53#include "InitTweak/FixInit.h" // for fix
54#include "InitTweak/GenInit.h" // for genInit
55#include "MakeLibCfa.h" // for makeLibCfa
56#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
57#include "Parser/ParseNode.h" // for DeclarationNode, buildList
58#include "Parser/TypedefTable.h" // for TypedefTable
59#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
60#include "ResolvExpr/Resolver.h" // for resolve
61#include "SymTab/Validate.h" // for validate
62#include "SynTree/Declaration.h" // for Declaration
63#include "SynTree/Visitor.h" // for acceptAll
64#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]65#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]66
67using namespace std;
68
[3e96559]69static void NewPass( const char * const name ) {
70 Stats::Heap::newPass( name );
[1cb7fab2]71 using namespace Stats::Counters;
[b8665e3]72 {
[3e96559]73 static auto group = build<CounterGroup>( "Pass Visitor" );
74 auto pass = build<CounterGroup>( name, group );
[b8665e3]75 pass_visitor_stats.depth = 0;
[3e96559]76 pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass );
77 pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass );
[b8665e3]78 }
79 {
[3e96559]80 static auto group = build<CounterGroup>( "Syntax Node" );
81 auto pass = build<CounterGroup>( name, group );
82 BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass );
[b8665e3]83 }
[675716e]84}
85
[3e96559]86#define PASS( name, pass ) \
[ecaeac6e]87 if ( errorp ) { cerr << name << endl; } \
[675716e]88 NewPass(name); \
[4f97937]89 Stats::Time::StartBlock(name); \
90 pass; \
91 Stats::Time::StopBlock();
[0da3e2c]92
[8b7ee09]93LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]94TypedefTable typedefTable;
[cbaee0d]95DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]96
[3e96559]97static std::string PreludeDirector = "";
[4dcaed2]98
[926af74]99static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]100static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]101static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
102
[0afffee]103static void backtrace( int start ) { // skip first N stack frames
[e6955b1]104 enum { Frames = 50 };
105 void * array[Frames];
[0afffee]106 int size = ::backtrace( array, Frames );
107 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
108
109 *index( messages[0], '(' ) = '\0'; // find executable name
110 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]111
[b542bfb]112 // skip last 2 stack frames after main
113 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]114 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
115 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]116 if ( *p == '(' ) {
[46f6134]117 mangled_name = p;
[0afffee]118 } else if ( *p == '+' ) {
[e6955b1]119 offset_begin = p;
[0afffee]120 } else if ( *p == ')' ) {
[e6955b1]121 offset_end = p;
122 break;
123 } // if
124 } // for
125
126 // if line contains symbol, attempt to demangle
[b542bfb]127 int frameNo = i - start;
[e6955b1]128 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]129 *mangled_name++ = '\0'; // delimit strings
[e6955b1]130 *offset_begin++ = '\0';
131 *offset_end++ = '\0';
132
[0afffee]133 int status;
[e6955b1]134 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]135 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]136 if ( status == 0 ) { // demangling successful ?
[b542bfb]137 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]138 << real_name << "+" << offset_begin << offset_end << endl;
139 } else { // otherwise, output mangled name
[b542bfb]140 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]141 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]142 } // if
[0afffee]143
[e6955b1]144 free( real_name );
145 } else { // otherwise, print the whole line
[b542bfb]146 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]147 } // if
148 } // for
[b542bfb]149
[e6955b1]150 free( messages );
[b542bfb]151} // backtrace
152
[3e96559]153static void sigSegvBusHandler( int sig_num ) {
[b542bfb]154 cerr << "*CFA runtime error* program cfa-cpp terminated with "
155 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]156 << "." << endl;
[b542bfb]157 backtrace( 2 ); // skip first 2 stack frames
[af84a35]158 //_exit( EXIT_FAILURE );
[3e96559]159 abort(); // cause core dump for debugging
[e6955b1]160} // sigSegvBusHandler
[0da3e2c]161
[3e96559]162static void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]163 backtrace( 6 ); // skip first 6 stack frames
164 signal( SIGABRT, SIG_DFL); // reset default signal handler
[675716e]165 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]166} // sigAbortHandler
167
168
[cbaee0d]169int main( int argc, char * argv[] ) {
[3b8e52c]170 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]171 ostream * output = & cout;
172 const char * filename = nullptr;
[e6955b1]173 list< Declaration * > translationUnit;
174
175 signal( SIGSEGV, sigSegvBusHandler );
176 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]177 signal( SIGABRT, sigAbortHandler );
[b87a5ed]178
[44bca7f]179 // std::cout << "main" << std::endl;
180 // for ( int i = 0; i < argc; i += 1 ) {
181 // std::cout << '\t' << argv[i] << std::endl;
182 // } // for
183
[0da3e2c]184 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]185 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]186
187 try {
[81419b5]188 // choose to read the program from a file or stdin
[3b8e52c]189 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]190 input = fopen( argv[ optind ], "r" );
[3b8e52c]191 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]192 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]193 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]194 // prelude filename comes in differently
[e523b07]195 if ( libcfap ) filename = "prelude.cfa";
[b87a5ed]196 optind += 1;
[3b8e52c]197 } else { // no input file name
[b87a5ed]198 input = stdin;
[2a7e29b]199 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
200 // a fake name along
[926af74]201 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]202 } // if
203
[79eaeb7]204 Stats::Time::StartGlobal();
[3c0d4cd]205 NewPass("Parse");
206 Stats::Time::StartBlock("Parse");
[675716e]207
[159c62e]208 // read in the builtins, extras, and the prelude
[de62360d]209 if ( ! nopreludep ) { // include gcc builtins
[faf8857]210 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]211
[37fe352]212 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]213
[807ce84]214 // Read to gcc builtins, if not generating the cfa library
[37fe352]215 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]216 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
217 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]218
[159c62e]219 // read the extra prelude in, if not generating the cfa library
[37fe352]220 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]221 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]222 parse( extras, LinkageSpec::BuiltinC );
[159c62e]223
[81419b5]224 if ( ! libcfap ) {
[faf8857]225 // read the prelude in, if not generating the cfa library
[e523b07]226 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
227 assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]228 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]229
230 // Read to cfa builtins, if not generating the cfa library
[37fe352]231 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]232 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]233 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]234 } // if
235 } // if
[81419b5]236
[926af74]237 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]238
[b87a5ed]239 if ( parsep ) {
[e6955b1]240 parseTree->printList( cout );
[0da3e2c]241 delete parseTree;
[3e96559]242 return EXIT_SUCCESS;
[b87a5ed]243 } // if
244
[0da3e2c]245 buildList( parseTree, translationUnit );
246 delete parseTree;
[cbaee0d]247 parseTree = nullptr;
[b87a5ed]248
249 if ( astp ) {
[1ab4ce2]250 dump( translationUnit );
[3e96559]251 return EXIT_SUCCESS;
[b87a5ed]252 } // if
253
[036dd5f]254 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
255 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
256 // works okay for now.
257 CodeTools::fillLocations( translationUnit );
[3c0d4cd]258 Stats::Time::StopBlock();
[036dd5f]259
[839ccbb]260 // add the assignment statement after the initialization of a type parameter
[675716e]261 PASS( "Validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]262 if ( symtabp ) {
[46f6134]263 deleteAll( translationUnit );
[3e96559]264 return EXIT_SUCCESS;
[b87a5ed]265 } // if
266
[81419b5]267 if ( expraltp ) {
[bff09c8]268 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]269 acceptAll( translationUnit, printer );
[3e96559]270 return EXIT_SUCCESS;
[b87a5ed]271 } // if
272
273 if ( validp ) {
[1ab4ce2]274 dump( translationUnit );
[3e96559]275 return EXIT_SUCCESS;
[b87a5ed]276 } // if
277
[675716e]278 PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
279 PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
280 PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
281 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]282 if ( libcfap ) {
283 // generate the bodies of cfa library functions
284 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]285 } // if
286
[fa2de95]287 if ( declstatsp ) {
288 CodeTools::printDeclStats( translationUnit );
289 deleteAll( translationUnit );
[3e96559]290 return EXIT_SUCCESS;
291 } // if
[fa2de95]292
[de62360d]293 if ( bresolvep ) {
[1ab4ce2]294 dump( translationUnit );
[3e96559]295 return EXIT_SUCCESS;
[de62360d]296 } // if
297
[76b378d]298 CodeTools::fillLocations( translationUnit );
299
[3b3491b6]300 if ( resolvprotop ) {
301 CodeTools::dumpAsResolvProto( translationUnit );
[3e96559]302 return EXIT_SUCCESS;
303 } // if
[3b3491b6]304
[675716e]305 PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]306 if ( exprp ) {
[1ab4ce2]307 dump( translationUnit );
[3e96559]308 return EXIT_SUCCESS;
[926af74]309 } // if
[81419b5]310
[71f4e4f]311 // fix ObjectDecl - replaces ConstructorInit nodes
[675716e]312 PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]313 if ( ctorinitp ) {
314 dump ( translationUnit );
[3e96559]315 return EXIT_SUCCESS;
[926af74]316 } // if
[71f4e4f]317
[675716e]318 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]319
[675716e]320 PASS( "Translate EHM" , ControlStruct::translateEHM( translationUnit ) );
[6edd210]321
[675716e]322 PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]323
[675716e]324 PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]325
[675716e]326 PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]327
328 if ( tuplep ) {
329 dump( translationUnit );
[3e96559]330 return EXIT_SUCCESS;
331 } // if
[141b786]332
[675716e]333 PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]334
[675716e]335 PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]336 if ( genericsp ) {
337 dump( translationUnit );
[3e96559]338 return EXIT_SUCCESS;
339 } // if
[675716e]340 PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]341
[53d3ab4b]342
[fea7ca7]343 if ( bboxp ) {
344 dump( translationUnit );
[3e96559]345 return EXIT_SUCCESS;
[926af74]346 } // if
[675716e]347 PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]348
[8905f56]349 if ( bcodegenp ) {
350 dump( translationUnit );
[3e96559]351 return EXIT_SUCCESS;
352 } // if
[8905f56]353
[13de47bc]354 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
355 output = new ofstream( argv[ optind ] );
356 } // if
[0270824]357
[7b15d7a]358 CodeTools::fillLocations( translationUnit );
[62ce290]359 PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) );
[0270824]360
[37fe352]361 CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]362 if ( output != &cout ) {
[b87a5ed]363 delete output;
364 } // if
[a16764a6]365 } catch ( SemanticErrorException &e ) {
[b87a5ed]366 if ( errorp ) {
[e6955b1]367 cerr << "---AST at error:---" << endl;
368 dump( translationUnit, cerr );
369 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]370 } // if
[d55d7a6]371 e.print();
[e6955b1]372 if ( output != &cout ) {
[b87a5ed]373 delete output;
374 } // if
[3e96559]375 return EXIT_FAILURE;
[b87a5ed]376 } catch ( UnimplementedError &e ) {
[e6955b1]377 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
378 if ( output != &cout ) {
[b87a5ed]379 delete output;
380 } // if
[3e96559]381 return EXIT_FAILURE;
[b87a5ed]382 } catch ( CompilerError &e ) {
[e6955b1]383 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]384 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]385 if ( output != &cout ) {
[b87a5ed]386 delete output;
387 } // if
[3e96559]388 return EXIT_FAILURE;
389 } catch ( ... ) {
[4990812]390 std::exception_ptr eptr = std::current_exception();
391 try {
392 if (eptr) {
393 std::rethrow_exception(eptr);
[3e96559]394 } else {
395 std::cerr << "Exception Uncaught and Unknown" << std::endl;
396 } // if
[4990812]397 } catch(const std::exception& e) {
[0689cd9]398 std::cerr << "Uncaught Exception \"" << e.what() << "\"\n";
[3e96559]399 } // try
400 return EXIT_FAILURE;
401 } // try
[b87a5ed]402
[39786813]403 deleteAll( translationUnit );
[1cb7fab2]404 Stats::print();
[3e96559]405 return EXIT_SUCCESS;
[d9a0e76]406} // main
[51b73452]407
[0da3e2c]408
[62ce290]409static const char optstring[] = ":hlLmNn:pP:S:twW:D:F:";
[3e96559]410
[62ce290]411enum { PreludeDir = 128 };
[3e96559]412static struct option long_opts[] = {
413 { "help", no_argument, nullptr, 'h' },
414 { "libcfa", no_argument, nullptr, 'l' },
[62ce290]415 { "linemarks", no_argument, nullptr, 'L' },
[3e96559]416 { "no-main", no_argument, 0, 'm' },
[62ce290]417 { "no-linemarks", no_argument, nullptr, 'N' },
418 { "no-prelude", no_argument, nullptr, 'n' },
[3e96559]419 { "prototypes", no_argument, nullptr, 'p' },
[62ce290]420 { "print", required_argument, nullptr, 'P' },
421 { "prelude-dir", required_argument, nullptr, PreludeDir },
422 { "statistics", required_argument, nullptr, 'S' },
[3e96559]423 { "tree", no_argument, nullptr, 't' },
424 { "", no_argument, nullptr, 0 }, // -w
425 { "", no_argument, nullptr, 0 }, // -W
426 { "", no_argument, nullptr, 0 }, // -D
427 { "", no_argument, nullptr, 0 }, // -F
428 { nullptr, 0, nullptr, 0 }
429}; // long_opts
430
431static const char * description[] = {
[62ce290]432 "print help message", // -h
[3e96559]433 "generate libcfa.c", // -l
[62ce290]434 "generate line marks", // -L
[3e96559]435 "do not replace main", // -m
[62ce290]436 "do not generate line marks", // -N
437 "do not read prelude", // -n
438 "generate prototypes for prelude functions", // -p
439 "print", // -P
440 "<directory> prelude directory for debug/nodebug", // no flag
441 "<option-list> enable profiling information:\n counters,heap,time,all,none", // -S
[3e96559]442 "build in tree", // -t
443 "", // -w
444 "", // -W
445 "", // -D
446 "", // -F
447}; // description
448
[0c0f548]449static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" );
[62ce290]450
451static struct Printopts {
452 const char * name;
453 int & flag;
454 int val;
455 const char * descript;
456} printopts[] = {
457 { "altexpr", expraltp, true, "alternatives for expressions" },
458 { "ascodegen", codegenp, true, "as codegen rather than AST" },
459 { "ast", astp, true, "AST after parsing" },
460 { "astdecl", validp, true, "AST after declaration validation pass" },
461 { "asterr", errorp, true, "AST on error" },
462 { "astexpr", exprp, true, "AST after expression analysis" },
463 { "astgen", genericsp, true, "AST after instantiate generics" },
464 { "box", bboxp, true, "before box step" },
465 { "ctordtor", ctorinitp, true, "after ctor/dtor are replaced" },
466 { "codegen", bcodegenp, true, "before code generation" },
467 { "declstats", declstatsp, true, "code property statistics" },
468 { "parse", yydebug, true, "yacc (parsing) debug information" },
469 { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" },
470 { "resolver", bresolvep, true, "before resolver step" },
471 { "rproto", resolvprotop, true, "resolver-proto instance" },
472 { "rsteps", resolvep, true, "resolver steps" },
473 { "symevt", symtabp, true, "symbol table events" },
474 { "tree", parsep, true, "parse tree" },
475 { "tuple", tuplep, true, "after tuple expansion" },
476};
477enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) };
478
[3e96559]479static void usage( char *argv[] ) {
480 cout << "Usage: " << argv[0] << " options are:" << endl;
481 int i = 0, j = 1; // j skips starting colon
482 for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) {
483 if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only
[62ce290]484 if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag
485 cout << " -" << optstring[j] << ",";
486 } else { // no flag
487 j -= 1; // compensate
488 cout << " ";
489 } // if
490 cout << " --" << left << setw(12) << long_opts[i].name << " ";
491 if ( strcmp( long_opts[i].name, "print" ) == 0 ) {
492 cout << "one of: " << endl;
493 for ( int i = 0; i < printoptsSize; i += 1 ) {
494 cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl;
495 } // for
496 } else {
497 cout << description[i] << endl;
498 } // if
[3e96559]499 } // if
[62ce290]500 if ( optstring[j + 1] == ':' ) j += 1;
[3e96559]501 } // for
502 if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" );
503 exit( EXIT_FAILURE );
504} // usage
505
506static void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[0da3e2c]507 opterr = 0; // (global) prevent getopt from printing error messages
508
[c5e5109]509 bool Wsuppress = false, Werror = false;
[0da3e2c]510 int c;
[3e96559]511 while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) {
[0da3e2c]512 switch ( c ) {
[3e96559]513 case 'h': // help message
514 usage( argv ); // no return
[53d3ab4b]515 break;
[3e96559]516 case 'l': // generate libcfa.c
[0da3e2c]517 libcfap = true;
518 break;
[62ce290]519 case 'L': // generate line marks
[6de43b6]520 linemarks = true;
[c850687]521 break;
[3e96559]522 case 'm': // do not replace main
523 nomainp = true;
[0da3e2c]524 break;
[62ce290]525 case 'N': // do not generate line marks
[6de43b6]526 linemarks = false;
[c59bde6]527 break;
[62ce290]528 case 'n': // do not read prelude
[3e96559]529 nopreludep = true;
[0da3e2c]530 break;
[62ce290]531 case 'p': // generate prototypes for prelude functions
532 genproto = true;
[0da3e2c]533 break;
[62ce290]534 case 'P': // print options
535 for ( int i = 0;; i += 1 ) {
536 if ( i == printoptsSize ) {
537 cout << "Unknown --print option " << optarg << endl;
538 goto Default;
539 } // if
540 if ( strcmp( optarg, printopts[i].name ) == 0 ) {
541 printopts[i].flag = printopts[i].val;
542 break;
543 } // if
544 } // for
[0da3e2c]545 break;
[62ce290]546 case PreludeDir: // prelude directory for debug/nodebug, hidden
547 PreludeDirector = optarg;
[3b3491b6]548 break;
[3e96559]549 case 'S': // enable profiling information, argument comma separated list of names
550 Stats::parse_params( optarg );
[ebcc940]551 break;
[3e96559]552 case 't': // build in tree
[0da3e2c]553 treep = true;
554 break;
[3e96559]555 case 'w': // suppress all warnings, hidden
[c5e5109]556 Wsuppress = true;
[44bca7f]557 break;
[3e96559]558 case 'W': // coordinate gcc -W with CFA, hidden
[44bca7f]559 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]560 SemanticWarning_EnableAll();
[44bca7f]561 } else if ( strcmp( optarg, "error" ) == 0 ) {
562 Werror = true;
563 } else {
564 char * warning = optarg;
565 Severity s;
566 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
567 warning += 3;
568 s = Severity::Suppress;
569 } else {
570 s = Severity::Warn;
571 } // if
[68e9ace]572 SemanticWarning_Set( warning, s );
[44bca7f]573 } // if
574 break;
[3e96559]575 case 'D': // ignore -Dxxx, forwarded by cpp, hidden
[0da3e2c]576 break;
[3e96559]577 case 'F': // source file-name without suffix, hidden
[0da3e2c]578 filename = optarg;
579 break;
[3e96559]580 case '?': // unknown option
581 if ( optopt ) { // short option ?
582 cout << "Unknown option -" << (char)optopt << endl;
583 } else {
584 cout << "Unknown option " << argv[optind - 1] << endl;
585 } // if
586 goto Default;
587 case ':': // missing option
[ae47a23]588 if ( optopt ) { // short option ?
[3e96559]589 cout << "Missing option for -" << (char)optopt << endl;
[ae47a23]590 } else {
[3e96559]591 cout << "Missing option for " << argv[optind - 1] << endl;
[ae47a23]592 } // if
[3e96559]593 goto Default;
594 Default:
595 default:
596 usage( argv ); // no return
[0da3e2c]597 } // switch
598 } // while
[44bca7f]599
600 if ( Werror ) {
[68e9ace]601 SemanticWarning_WarningAsError();
[44bca7f]602 } // if
[c5e5109]603 if ( Wsuppress ) {
604 SemanticWarning_SuppressAll();
605 } // if
[44bca7f]606 // for ( const auto w : WarningFormats ) {
607 // cout << w.name << ' ' << (int)w.severity << endl;
608 // } // for
[0da3e2c]609} // parse_cmdline
610
[8b7ee09]611static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]612 extern int yyparse( void );
[cbaee0d]613 extern FILE * yyin;
[0da3e2c]614 extern int yylineno;
615
[8b7ee09]616 ::linkage = linkage; // set globals
[0da3e2c]617 yyin = input;
618 yylineno = 1;
619 int parseStatus = yyparse();
[81419b5]620
621 fclose( input );
[0da3e2c]622 if ( shouldExit || parseStatus != 0 ) {
623 exit( parseStatus );
[81419b5]624 } // if
[0da3e2c]625} // parse
[81419b5]626
[1ab4ce2]627static bool notPrelude( Declaration * decl ) {
628 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]629} // notPrelude
[1ab4ce2]630
[e6955b1]631static void dump( list< Declaration * > & translationUnit, ostream & out ) {
632 list< Declaration * > decls;
[926af74]633
[62ce290]634 if ( genproto ) {
[e6955b1]635 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]636 } else {
637 decls = translationUnit;
[926af74]638 } // if
[1ab4ce2]639
[e39241b]640 // depending on commandline options, either generate code or dump the AST
641 if ( codegenp ) {
[62ce290]642 CodeGen::generate( decls, out, ! genproto, prettycodegenp );
[e39241b]643 } else {
644 printAll( decls, out );
[3e96559]645 } // if
[7f5566b]646 deleteAll( translationUnit );
[0da3e2c]647} // dump
[1ab4ce2]648
[51b73452]649// Local Variables: //
[b87a5ed]650// tab-width: 4 //
651// mode: c++ //
652// compile-command: "make install" //
[51b73452]653// End: //
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