source: src/main.cc@ 72514aa

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since 72514aa was 690166d, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc
  • Property mode set to 100644
File size: 20.0 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//
[843054c2]9// Author : Richard C. Bilson
[b87a5ed]10// Created On : Fri May 15 23:12:02 2015
[c59bde6]11// Last Modified By : Peter A. Buhr
[0689cd9]12// Last Modified On : Wed Dec 26 08:11:19 2018
13// Update Count : 499
[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
26#include <iterator> // for back_inserter
27#include <list> // for list
[08fc48f]28#include <string> // for char_traits, operator<<
[e6955b1]29
[7f38b67a]30#include "CompilationState.h"
[bf2438c]31#include "../config.h" // for CFA_LIBDIR
32#include "CodeGen/FixMain.h" // for FixMain
33#include "CodeGen/FixNames.h" // for fixNames
34#include "CodeGen/Generate.h" // for generate
35#include "CodeTools/DeclStats.h" // for printDeclStats
[3b3491b6]36#include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto
[bf2438c]37#include "CodeTools/TrackLoc.h" // for fillLocations
38#include "Common/CompilerError.h" // for CompilerError
[cbbd5b48]39#include "Common/Heap.h"
40#include "Common/PassVisitor.h"
[bf2438c]41#include "Common/SemanticError.h" // for SemanticError
42#include "Common/UnimplementedError.h" // for UnimplementedError
43#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]44#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]45#include "ControlStruct/ExceptTranslate.h" // for translateEHM
46#include "ControlStruct/Mutate.h" // for mutate
47#include "GenPoly/Box.h" // for box
48#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
49#include "GenPoly/Lvalue.h" // for convertLvalue
50#include "GenPoly/Specialize.h" // for convertSpecializations
51#include "InitTweak/FixInit.h" // for fix
52#include "InitTweak/GenInit.h" // for genInit
53#include "MakeLibCfa.h" // for makeLibCfa
54#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
55#include "Parser/ParseNode.h" // for DeclarationNode, buildList
56#include "Parser/TypedefTable.h" // for TypedefTable
57#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
58#include "ResolvExpr/Resolver.h" // for resolve
59#include "SymTab/Validate.h" // for validate
60#include "SynTree/Declaration.h" // for Declaration
61#include "SynTree/Visitor.h" // for acceptAll
62#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]63#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]64
65using namespace std;
66
[6edd210]67#define PASS(name, pass) \
[ecaeac6e]68 if ( errorp ) { cerr << name << endl; } \
69 HeapStats::newPass(name); \
[6edd210]70 pass;
[0da3e2c]71
[8b7ee09]72LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]73TypedefTable typedefTable;
[cbaee0d]74DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]75
[4dcaed2]76std::string PreludeDirector = "";
77
[926af74]78static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]79static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]80static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
81
[0afffee]82static void backtrace( int start ) { // skip first N stack frames
[e6955b1]83 enum { Frames = 50 };
84 void * array[Frames];
[0afffee]85 int size = ::backtrace( array, Frames );
86 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
87
88 *index( messages[0], '(' ) = '\0'; // find executable name
89 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]90
[b542bfb]91 // skip last 2 stack frames after main
92 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]93 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
94 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]95 if ( *p == '(' ) {
[46f6134]96 mangled_name = p;
[0afffee]97 } else if ( *p == '+' ) {
[e6955b1]98 offset_begin = p;
[0afffee]99 } else if ( *p == ')' ) {
[e6955b1]100 offset_end = p;
101 break;
102 } // if
103 } // for
104
105 // if line contains symbol, attempt to demangle
[b542bfb]106 int frameNo = i - start;
[e6955b1]107 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]108 *mangled_name++ = '\0'; // delimit strings
[e6955b1]109 *offset_begin++ = '\0';
110 *offset_end++ = '\0';
111
[0afffee]112 int status;
[e6955b1]113 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]114 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]115 if ( status == 0 ) { // demangling successful ?
[b542bfb]116 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]117 << real_name << "+" << offset_begin << offset_end << endl;
118 } else { // otherwise, output mangled name
[b542bfb]119 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]120 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]121 } // if
[0afffee]122
[e6955b1]123 free( real_name );
124 } else { // otherwise, print the whole line
[b542bfb]125 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]126 } // if
127 } // for
[b542bfb]128
[e6955b1]129 free( messages );
[b542bfb]130} // backtrace
131
132void sigSegvBusHandler( int sig_num ) {
133 cerr << "*CFA runtime error* program cfa-cpp terminated with "
134 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]135 << "." << endl;
[b542bfb]136 backtrace( 2 ); // skip first 2 stack frames
[af84a35]137 //_exit( EXIT_FAILURE );
138 abort();
[e6955b1]139} // sigSegvBusHandler
[0da3e2c]140
[b3c36f4]141void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]142 backtrace( 6 ); // skip first 6 stack frames
143 signal( SIGABRT, SIG_DFL); // reset default signal handler
144 raise( SIGABRT ); // reraise SIGABRT
145} // sigAbortHandler
146
147
[cbaee0d]148int main( int argc, char * argv[] ) {
[3b8e52c]149 FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]150 ostream *output = & cout;
[926af74]151 const char *filename = nullptr;
[e6955b1]152 list< Declaration * > translationUnit;
153
154 signal( SIGSEGV, sigSegvBusHandler );
155 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]156 signal( SIGABRT, sigAbortHandler );
[b87a5ed]157
[44bca7f]158 // std::cout << "main" << std::endl;
159 // for ( int i = 0; i < argc; i += 1 ) {
160 // std::cout << '\t' << argv[i] << std::endl;
161 // } // for
162
[0da3e2c]163 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]164 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]165
166 try {
[81419b5]167 // choose to read the program from a file or stdin
[3b8e52c]168 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]169 input = fopen( argv[ optind ], "r" );
[3b8e52c]170 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]171 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]172 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]173 // prelude filename comes in differently
[e523b07]174 if ( libcfap ) filename = "prelude.cfa";
[b87a5ed]175 optind += 1;
[3b8e52c]176 } else { // no input file name
[b87a5ed]177 input = stdin;
[2a7e29b]178 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
179 // a fake name along
[926af74]180 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]181 } // if
182
[159c62e]183 // read in the builtins, extras, and the prelude
[de62360d]184 if ( ! nopreludep ) { // include gcc builtins
[faf8857]185 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]186
[37fe352]187 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]188
[807ce84]189 // Read to gcc builtins, if not generating the cfa library
[37fe352]190 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]191 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
192 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]193
[159c62e]194 // read the extra prelude in, if not generating the cfa library
[37fe352]195 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]196 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]197 parse( extras, LinkageSpec::BuiltinC );
[159c62e]198
[81419b5]199 if ( ! libcfap ) {
[faf8857]200 // read the prelude in, if not generating the cfa library
[e523b07]201 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
202 assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]203 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]204
205 // Read to cfa builtins, if not generating the cfa library
[37fe352]206 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]207 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]208 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]209 } // if
210 } // if
[81419b5]211
[926af74]212 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]213
[b87a5ed]214 if ( parsep ) {
[e6955b1]215 parseTree->printList( cout );
[0da3e2c]216 delete parseTree;
[b87a5ed]217 return 0;
218 } // if
219
[0da3e2c]220 buildList( parseTree, translationUnit );
221 delete parseTree;
[cbaee0d]222 parseTree = nullptr;
[b87a5ed]223
224 if ( astp ) {
[1ab4ce2]225 dump( translationUnit );
[b87a5ed]226 return 0;
227 } // if
228
[036dd5f]229 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
230 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
231 // works okay for now.
232 CodeTools::fillLocations( translationUnit );
233
[839ccbb]234 // add the assignment statement after the initialization of a type parameter
[6edd210]235 PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]236 if ( symtabp ) {
[46f6134]237 deleteAll( translationUnit );
[b87a5ed]238 return 0;
239 } // if
240
[81419b5]241 if ( expraltp ) {
[bff09c8]242 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]243 acceptAll( translationUnit, printer );
[b87a5ed]244 return 0;
245 } // if
246
247 if ( validp ) {
[1ab4ce2]248 dump( translationUnit );
[b87a5ed]249 return 0;
250 } // if
251
[25fcb84]252 PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]253 PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
254 PASS( "genInit", InitTweak::genInit( translationUnit ) );
255 PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]256 if ( libcfap ) {
257 // generate the bodies of cfa library functions
258 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]259 } // if
260
[fa2de95]261 if ( declstatsp ) {
262 CodeTools::printDeclStats( translationUnit );
263 deleteAll( translationUnit );
264 return 0;
265 }
266
[de62360d]267 if ( bresolvep ) {
[1ab4ce2]268 dump( translationUnit );
[de62360d]269 return 0;
270 } // if
271
[76b378d]272 CodeTools::fillLocations( translationUnit );
273
[3b3491b6]274 if ( resolvprotop ) {
275 CodeTools::dumpAsResolvProto( translationUnit );
276 return 0;
277 }
278
[6edd210]279 PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]280 if ( exprp ) {
[1ab4ce2]281 dump( translationUnit );
[ca1c11f]282 return 0;
[926af74]283 } // if
[81419b5]284
[71f4e4f]285 // fix ObjectDecl - replaces ConstructorInit nodes
[05e6eb5]286 PASS( "fixInit", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]287 if ( ctorinitp ) {
288 dump ( translationUnit );
289 return 0;
[926af74]290 } // if
[71f4e4f]291
[6edd210]292 PASS( "expandUniqueExpr", 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]293
[6edd210]294 PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
295
296 PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]297
[6edd210]298 PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]299
[6edd210]300 PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]301
302 if ( tuplep ) {
303 dump( translationUnit );
304 return 0;
305 }
[141b786]306
[6edd210]307 PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]308
[6edd210]309 PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]310 if ( genericsp ) {
311 dump( translationUnit );
312 return 0;
313 }
[6edd210]314 PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]315
[53d3ab4b]316
[fea7ca7]317 if ( bboxp ) {
318 dump( translationUnit );
319 return 0;
[926af74]320 } // if
[6edd210]321 PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]322
[8905f56]323 if ( bcodegenp ) {
324 dump( translationUnit );
325 return 0;
326 }
327
[13de47bc]328 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
329 output = new ofstream( argv[ optind ] );
330 } // if
[0270824]331
[7b15d7a]332 CodeTools::fillLocations( translationUnit );
[6edd210]333 PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]334
[37fe352]335 CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]336 if ( output != &cout ) {
[b87a5ed]337 delete output;
338 } // if
[a16764a6]339 } catch ( SemanticErrorException &e ) {
[b87a5ed]340 if ( errorp ) {
[e6955b1]341 cerr << "---AST at error:---" << endl;
342 dump( translationUnit, cerr );
343 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]344 } // if
[d55d7a6]345 e.print();
[e6955b1]346 if ( output != &cout ) {
[b87a5ed]347 delete output;
348 } // if
349 return 1;
350 } catch ( UnimplementedError &e ) {
[e6955b1]351 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
352 if ( output != &cout ) {
[b87a5ed]353 delete output;
354 } // if
355 return 1;
356 } catch ( CompilerError &e ) {
[e6955b1]357 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]358 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]359 if ( output != &cout ) {
[b87a5ed]360 delete output;
361 } // if
362 return 1;
[4990812]363 } catch(...) {
364 std::exception_ptr eptr = std::current_exception();
365 try {
366 if (eptr) {
367 std::rethrow_exception(eptr);
368 }
369 else {
370 std::cerr << "Exception Uncaught and Unkown" << std::endl;
371 }
372 } catch(const std::exception& e) {
[0689cd9]373 std::cerr << "Uncaught Exception \"" << e.what() << "\"\n";
[4990812]374 }
375 return 1;
376 }// try
[b87a5ed]377
[39786813]378 deleteAll( translationUnit );
[6d611fb]379 if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]380 return 0;
[d9a0e76]381} // main
[51b73452]382
[cbaee0d]383void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[3b3491b6]384 enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, PreludeDir, Prototypes, Resolver, ResolvProto, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]385
386 static struct option long_opts[] = {
387 { "ast", no_argument, 0, Ast },
388 { "before-box", no_argument, 0, Bbox },
389 { "before-resolver", no_argument, 0, Bresolver },
390 { "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]391 { "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]392 { "expr", no_argument, 0, Expr },
393 { "expralt", no_argument, 0, ExprAlt },
394 { "grammar", no_argument, 0, Grammar },
395 { "libcfa", no_argument, 0, LibCFA },
[6de43b6]396 { "line-marks", no_argument, 0, Linemarks },
397 { "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]398 { "no-preamble", no_argument, 0, Nopreamble },
399 { "parse", no_argument, 0, Parse },
[4dcaed2]400 { "prelude-dir", required_argument, 0, PreludeDir },
[0da3e2c]401 { "no-prototypes", no_argument, 0, Prototypes },
402 { "resolver", no_argument, 0, Resolver },
[3b3491b6]403 { "resolv-proto", no_argument, 0, ResolvProto },
[0da3e2c]404 { "symbol", no_argument, 0, Symbol },
405 { "tree", no_argument, 0, Tree },
[626dbc10]406 { "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]407 { "validate", no_argument, 0, Validate },
408 { 0, 0, 0, 0 }
409 }; // long_opts
410 int long_index;
411
412 opterr = 0; // (global) prevent getopt from printing error messages
413
[c5e5109]414 bool Wsuppress = false, Werror = false;
[0da3e2c]415 int c;
[3b3491b6]416 while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrRstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]417 switch ( c ) {
418 case Ast:
419 case 'a': // dump AST
420 astp = true;
421 break;
422 case Bresolver:
423 case 'b': // print before resolver steps
424 bresolvep = true;
425 break;
[626dbc10]426 case 'B': // print before box steps
[0da3e2c]427 bboxp = true;
428 break;
429 case CtorInitFix:
[e39241b]430 case 'c': // print after constructors and destructors are replaced
[0da3e2c]431 ctorinitp = true;
432 break;
[8905f56]433 case 'C': // print before code generation
434 bcodegenp = true;
435 break;
[41a7137]436 case DeclStats:
437 case 'd':
438 declstatsp = true;
439 break;
[0da3e2c]440 case Expr:
441 case 'e': // dump AST after expression analysis
442 exprp = true;
443 break;
444 case ExprAlt:
445 case 'f': // print alternatives for expressions
446 expraltp = true;
447 break;
448 case Grammar:
449 case 'g': // bison debugging info (grammar rules)
[926af74]450 yydebug = true;
[0da3e2c]451 break;
[44bca7f]452 case 'G': // dump AST after instantiate generics
[53d3ab4b]453 genericsp = true;
454 break;
[0da3e2c]455 case LibCFA:
456 case 'l': // generate libcfa.c
457 libcfap = true;
458 break;
[6de43b6]459 case Linemarks:
460 case 'L': // print lines marks
461 linemarks = true;
[c850687]462 break;
[0da3e2c]463 case Nopreamble:
464 case 'n': // do not read preamble
465 nopreludep = true;
466 break;
[6de43b6]467 case Nolinemarks:
468 case 'N': // suppress line marks
469 linemarks = false;
[c59bde6]470 break;
[0da3e2c]471 case Prototypes:
472 case 'p': // generate prototypes for preamble functions
473 noprotop = true;
474 break;
[4dcaed2]475 case PreludeDir:
476 PreludeDirector = optarg;
477 break;
[3fe34ae]478 case 'm': // don't replace the main
479 nomainp = true;
480 break;
[0da3e2c]481 case Parse:
482 case 'q': // dump parse tree
483 parsep = true;
484 break;
485 case Resolver:
486 case 'r': // print resolver steps
487 resolvep = true;
488 break;
[a2dbcff1]489 case 'R': // dump resolv-proto instance
[3b3491b6]490 resolvprotop = true;
491 break;
[0da3e2c]492 case Symbol:
493 case 's': // print symbol table events
494 symtabp = true;
495 break;
496 case Tree:
497 case 't': // build in tree
498 treep = true;
499 break;
[626dbc10]500 case TupleExpansion:
501 case 'T': // print after tuple expansion
502 tuplep = true;
503 break;
[0da3e2c]504 case 'v': // dump AST after decl validation pass
505 validp = true;
506 break;
[44bca7f]507 case 'w':
[c5e5109]508 Wsuppress = true;
[44bca7f]509 break;
510 case 'W':
511 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]512 SemanticWarning_EnableAll();
[44bca7f]513 } else if ( strcmp( optarg, "error" ) == 0 ) {
514 Werror = true;
515 } else {
516 char * warning = optarg;
517 Severity s;
518 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
519 warning += 3;
520 s = Severity::Suppress;
521 } else {
522 s = Severity::Warn;
523 } // if
[68e9ace]524 SemanticWarning_Set( warning, s );
[44bca7f]525 } // if
526 break;
[e39241b]527 case 'y': // dump AST on error
[0da3e2c]528 errorp = true;
529 break;
[e39241b]530 case 'z': // dump as codegen rather than AST
[0da3e2c]531 codegenp = true;
[e39241b]532 break;
533 case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]534 prettycodegenp = true;
[0da3e2c]535 break;
536 case 'D': // ignore -Dxxx
537 break;
538 case 'F': // source file-name without suffix
539 filename = optarg;
540 break;
541 case '?':
[ae47a23]542 if ( optopt ) { // short option ?
543 assertf( false, "Unknown option: -%c\n", (char)optopt );
544 } else {
545 assertf( false, "Unknown option: %s\n", argv[optind - 1] );
546 } // if
[b6d7f44]547 #if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]548 __attribute__((fallthrough));
549 #endif
[0da3e2c]550 default:
551 abort();
552 } // switch
553 } // while
[44bca7f]554
555 if ( Werror ) {
[68e9ace]556 SemanticWarning_WarningAsError();
[44bca7f]557 } // if
[c5e5109]558 if ( Wsuppress ) {
559 SemanticWarning_SuppressAll();
560 } // if
[44bca7f]561 // for ( const auto w : WarningFormats ) {
562 // cout << w.name << ' ' << (int)w.severity << endl;
563 // } // for
[0da3e2c]564} // parse_cmdline
565
[8b7ee09]566static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]567 extern int yyparse( void );
[cbaee0d]568 extern FILE * yyin;
[0da3e2c]569 extern int yylineno;
570
[8b7ee09]571 ::linkage = linkage; // set globals
[0da3e2c]572 yyin = input;
573 yylineno = 1;
574 int parseStatus = yyparse();
[81419b5]575
576 fclose( input );
[0da3e2c]577 if ( shouldExit || parseStatus != 0 ) {
578 exit( parseStatus );
[81419b5]579 } // if
[0da3e2c]580} // parse
[81419b5]581
[1ab4ce2]582static bool notPrelude( Declaration * decl ) {
583 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]584} // notPrelude
[1ab4ce2]585
[e6955b1]586static void dump( list< Declaration * > & translationUnit, ostream & out ) {
587 list< Declaration * > decls;
[926af74]588
[1ab4ce2]589 if ( noprotop ) {
[e6955b1]590 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]591 } else {
592 decls = translationUnit;
[926af74]593 } // if
[1ab4ce2]594
[e39241b]595 // depending on commandline options, either generate code or dump the AST
596 if ( codegenp ) {
597 CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
598 } else {
599 printAll( decls, out );
600 }
[7f5566b]601 deleteAll( translationUnit );
[0da3e2c]602} // dump
[1ab4ce2]603
[51b73452]604// Local Variables: //
[b87a5ed]605// tab-width: 4 //
606// mode: c++ //
607// compile-command: "make install" //
[51b73452]608// End: //
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