source: src/main.cc@ d16f9fd

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr no_list persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since d16f9fd was 05e6eb5, checked in by Rob Schluntz <rschlunt@…>, 7 years ago

Warn about constructor/destructor priorities 101-200 only when not building the library
  • Property mode set to 100644
File size: 19.6 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//
[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
[af84a35]12// Last Modified On : Wed Jun 6 15:51:47 2018
13// Update Count : 498
[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
36#include "CodeTools/TrackLoc.h" // for fillLocations
37#include "Common/CompilerError.h" // for CompilerError
[cbbd5b48]38#include "Common/Heap.h"
39#include "Common/PassVisitor.h"
[bf2438c]40#include "Common/SemanticError.h" // for SemanticError
41#include "Common/UnimplementedError.h" // for UnimplementedError
42#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]43#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]44#include "ControlStruct/ExceptTranslate.h" // for translateEHM
45#include "ControlStruct/Mutate.h" // for mutate
46#include "GenPoly/Box.h" // for box
47#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
48#include "GenPoly/Lvalue.h" // for convertLvalue
49#include "GenPoly/Specialize.h" // for convertSpecializations
50#include "InitTweak/FixInit.h" // for fix
51#include "InitTweak/GenInit.h" // for genInit
52#include "MakeLibCfa.h" // for makeLibCfa
53#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
54#include "Parser/ParseNode.h" // for DeclarationNode, buildList
55#include "Parser/TypedefTable.h" // for TypedefTable
56#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
57#include "ResolvExpr/Resolver.h" // for resolve
58#include "SymTab/Validate.h" // for validate
59#include "SynTree/Declaration.h" // for Declaration
60#include "SynTree/Visitor.h" // for acceptAll
61#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]62#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]63
64using namespace std;
65
[6edd210]66#define PASS(name, pass) \
[ecaeac6e]67 if ( errorp ) { cerr << name << endl; } \
68 HeapStats::newPass(name); \
[6edd210]69 pass;
[0da3e2c]70
[8b7ee09]71LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]72TypedefTable typedefTable;
[cbaee0d]73DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]74
[926af74]75static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]76static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]77static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
78
[0afffee]79static void backtrace( int start ) { // skip first N stack frames
[e6955b1]80 enum { Frames = 50 };
81 void * array[Frames];
[0afffee]82 int size = ::backtrace( array, Frames );
83 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
84
85 *index( messages[0], '(' ) = '\0'; // find executable name
86 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]87
[b542bfb]88 // skip last 2 stack frames after main
89 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]90 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
91 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]92 if ( *p == '(' ) {
[46f6134]93 mangled_name = p;
[0afffee]94 } else if ( *p == '+' ) {
[e6955b1]95 offset_begin = p;
[0afffee]96 } else if ( *p == ')' ) {
[e6955b1]97 offset_end = p;
98 break;
99 } // if
100 } // for
101
102 // if line contains symbol, attempt to demangle
[b542bfb]103 int frameNo = i - start;
[e6955b1]104 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]105 *mangled_name++ = '\0'; // delimit strings
[e6955b1]106 *offset_begin++ = '\0';
107 *offset_end++ = '\0';
108
[0afffee]109 int status;
[e6955b1]110 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]111 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]112 if ( status == 0 ) { // demangling successful ?
[b542bfb]113 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]114 << real_name << "+" << offset_begin << offset_end << endl;
115 } else { // otherwise, output mangled name
[b542bfb]116 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]117 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]118 } // if
[0afffee]119
[e6955b1]120 free( real_name );
121 } else { // otherwise, print the whole line
[b542bfb]122 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]123 } // if
124 } // for
[b542bfb]125
[e6955b1]126 free( messages );
[b542bfb]127} // backtrace
128
129void sigSegvBusHandler( int sig_num ) {
130 cerr << "*CFA runtime error* program cfa-cpp terminated with "
131 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]132 << "." << endl;
[b542bfb]133 backtrace( 2 ); // skip first 2 stack frames
[af84a35]134 //_exit( EXIT_FAILURE );
135 abort();
[e6955b1]136} // sigSegvBusHandler
[0da3e2c]137
[b3c36f4]138void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]139 backtrace( 6 ); // skip first 6 stack frames
140 signal( SIGABRT, SIG_DFL); // reset default signal handler
141 raise( SIGABRT ); // reraise SIGABRT
142} // sigAbortHandler
143
144
[cbaee0d]145int main( int argc, char * argv[] ) {
[3b8e52c]146 FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]147 ostream *output = & cout;
[926af74]148 const char *filename = nullptr;
[e6955b1]149 list< Declaration * > translationUnit;
150
151 signal( SIGSEGV, sigSegvBusHandler );
152 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]153 signal( SIGABRT, sigAbortHandler );
[b87a5ed]154
[44bca7f]155 // std::cout << "main" << std::endl;
156 // for ( int i = 0; i < argc; i += 1 ) {
157 // std::cout << '\t' << argv[i] << std::endl;
158 // } // for
159
[0da3e2c]160 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]161 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]162
163 try {
[81419b5]164 // choose to read the program from a file or stdin
[3b8e52c]165 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]166 input = fopen( argv[ optind ], "r" );
[3b8e52c]167 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]168 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]169 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]170 // prelude filename comes in differently
171 if ( libcfap ) filename = "prelude.cf";
[b87a5ed]172 optind += 1;
[3b8e52c]173 } else { // no input file name
[b87a5ed]174 input = stdin;
[2a7e29b]175 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
176 // a fake name along
[926af74]177 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]178 } // if
179
[159c62e]180 // read in the builtins, extras, and the prelude
[de62360d]181 if ( ! nopreludep ) { // include gcc builtins
[faf8857]182 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]183
184 // Read to gcc builtins, if not generating the cfa library
[05e6eb5]185 FILE * gcc_builtins = fopen( buildingLibrary() ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
[6ce3ae9]186 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
187 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]188
[159c62e]189 // read the extra prelude in, if not generating the cfa library
[05e6eb5]190 FILE * extras = fopen( buildingLibrary() ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]191 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]192 parse( extras, LinkageSpec::BuiltinC );
[159c62e]193
[81419b5]194 if ( ! libcfap ) {
[faf8857]195 // read the prelude in, if not generating the cfa library
[05e6eb5]196 FILE * prelude = fopen( buildingLibrary() ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]197 assertf( prelude, "cannot open prelude.cf\n" );
[35304009]198 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]199
200 // Read to cfa builtins, if not generating the cfa library
[05e6eb5]201 FILE * builtins = fopen( buildingLibrary() ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
[fa4805f]202 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]203 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]204 } // if
205 } // if
[81419b5]206
[926af74]207 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]208
[b87a5ed]209 if ( parsep ) {
[e6955b1]210 parseTree->printList( cout );
[0da3e2c]211 delete parseTree;
[b87a5ed]212 return 0;
213 } // if
214
[0da3e2c]215 buildList( parseTree, translationUnit );
216 delete parseTree;
[cbaee0d]217 parseTree = nullptr;
[b87a5ed]218
219 if ( astp ) {
[1ab4ce2]220 dump( translationUnit );
[b87a5ed]221 return 0;
222 } // if
223
[036dd5f]224 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
225 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
226 // works okay for now.
227 CodeTools::fillLocations( translationUnit );
228
[839ccbb]229 // add the assignment statement after the initialization of a type parameter
[6edd210]230 PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]231 if ( symtabp ) {
[46f6134]232 deleteAll( translationUnit );
[b87a5ed]233 return 0;
234 } // if
235
[81419b5]236 if ( expraltp ) {
[bff09c8]237 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]238 acceptAll( translationUnit, printer );
[b87a5ed]239 return 0;
240 } // if
241
242 if ( validp ) {
[1ab4ce2]243 dump( translationUnit );
[b87a5ed]244 return 0;
245 } // if
246
[25fcb84]247 PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]248 PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
249 PASS( "genInit", InitTweak::genInit( translationUnit ) );
250 PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]251 if ( libcfap ) {
252 // generate the bodies of cfa library functions
253 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]254 } // if
255
[fa2de95]256 if ( declstatsp ) {
257 CodeTools::printDeclStats( translationUnit );
258 deleteAll( translationUnit );
259 return 0;
260 }
261
[de62360d]262 if ( bresolvep ) {
[1ab4ce2]263 dump( translationUnit );
[de62360d]264 return 0;
265 } // if
266
[76b378d]267 CodeTools::fillLocations( translationUnit );
268
[6edd210]269 PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]270 if ( exprp ) {
[1ab4ce2]271 dump( translationUnit );
[ca1c11f]272 return 0;
[926af74]273 } // if
[81419b5]274
[71f4e4f]275 // fix ObjectDecl - replaces ConstructorInit nodes
[05e6eb5]276 PASS( "fixInit", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]277 if ( ctorinitp ) {
278 dump ( translationUnit );
279 return 0;
[926af74]280 } // if
[71f4e4f]281
[6edd210]282 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]283
[6edd210]284 PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
285
286 PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]287
[6edd210]288 PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]289
[6edd210]290 PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]291
292 if ( tuplep ) {
293 dump( translationUnit );
294 return 0;
295 }
[141b786]296
[6edd210]297 PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]298
[6edd210]299 PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]300 if ( genericsp ) {
301 dump( translationUnit );
302 return 0;
303 }
[6edd210]304 PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]305
[53d3ab4b]306
[fea7ca7]307 if ( bboxp ) {
308 dump( translationUnit );
309 return 0;
[926af74]310 } // if
[6edd210]311 PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]312
[8905f56]313 if ( bcodegenp ) {
314 dump( translationUnit );
315 return 0;
316 }
317
[13de47bc]318 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
319 output = new ofstream( argv[ optind ] );
320 } // if
[0270824]321
[7b15d7a]322 CodeTools::fillLocations( translationUnit );
[6edd210]323 PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]324
[13de47bc]325 CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[e6955b1]326 if ( output != &cout ) {
[b87a5ed]327 delete output;
328 } // if
[a16764a6]329 } catch ( SemanticErrorException &e ) {
[b87a5ed]330 if ( errorp ) {
[e6955b1]331 cerr << "---AST at error:---" << endl;
332 dump( translationUnit, cerr );
333 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]334 } // if
[d55d7a6]335 e.print();
[e6955b1]336 if ( output != &cout ) {
[b87a5ed]337 delete output;
338 } // if
339 return 1;
340 } catch ( UnimplementedError &e ) {
[e6955b1]341 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
342 if ( output != &cout ) {
[b87a5ed]343 delete output;
344 } // if
345 return 1;
346 } catch ( CompilerError &e ) {
[e6955b1]347 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]348 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]349 if ( output != &cout ) {
[b87a5ed]350 delete output;
351 } // if
352 return 1;
[4990812]353 } catch(...) {
354 std::exception_ptr eptr = std::current_exception();
355 try {
356 if (eptr) {
357 std::rethrow_exception(eptr);
358 }
359 else {
360 std::cerr << "Exception Uncaught and Unkown" << std::endl;
361 }
362 } catch(const std::exception& e) {
363 std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
364 }
365 return 1;
366 }// try
[b87a5ed]367
[39786813]368 deleteAll( translationUnit );
[6d611fb]369 if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]370 return 0;
[d9a0e76]371} // main
[51b73452]372
[cbaee0d]373void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]374 enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]375
376 static struct option long_opts[] = {
377 { "ast", no_argument, 0, Ast },
378 { "before-box", no_argument, 0, Bbox },
379 { "before-resolver", no_argument, 0, Bresolver },
380 { "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]381 { "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]382 { "expr", no_argument, 0, Expr },
383 { "expralt", no_argument, 0, ExprAlt },
384 { "grammar", no_argument, 0, Grammar },
385 { "libcfa", no_argument, 0, LibCFA },
[6de43b6]386 { "line-marks", no_argument, 0, Linemarks },
387 { "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]388 { "no-preamble", no_argument, 0, Nopreamble },
389 { "parse", no_argument, 0, Parse },
390 { "no-prototypes", no_argument, 0, Prototypes },
391 { "resolver", no_argument, 0, Resolver },
392 { "symbol", no_argument, 0, Symbol },
393 { "tree", no_argument, 0, Tree },
[626dbc10]394 { "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]395 { "validate", no_argument, 0, Validate },
396 { 0, 0, 0, 0 }
397 }; // long_opts
398 int long_index;
399
400 opterr = 0; // (global) prevent getopt from printing error messages
401
[c5e5109]402 bool Wsuppress = false, Werror = false;
[0da3e2c]403 int c;
[44bca7f]404 while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]405 switch ( c ) {
406 case Ast:
407 case 'a': // dump AST
408 astp = true;
409 break;
410 case Bresolver:
411 case 'b': // print before resolver steps
412 bresolvep = true;
413 break;
[626dbc10]414 case 'B': // print before box steps
[0da3e2c]415 bboxp = true;
416 break;
417 case CtorInitFix:
[e39241b]418 case 'c': // print after constructors and destructors are replaced
[0da3e2c]419 ctorinitp = true;
420 break;
[8905f56]421 case 'C': // print before code generation
422 bcodegenp = true;
423 break;
[41a7137]424 case DeclStats:
425 case 'd':
426 declstatsp = true;
427 break;
[0da3e2c]428 case Expr:
429 case 'e': // dump AST after expression analysis
430 exprp = true;
431 break;
432 case ExprAlt:
433 case 'f': // print alternatives for expressions
434 expraltp = true;
435 break;
436 case Grammar:
437 case 'g': // bison debugging info (grammar rules)
[926af74]438 yydebug = true;
[0da3e2c]439 break;
[44bca7f]440 case 'G': // dump AST after instantiate generics
[53d3ab4b]441 genericsp = true;
442 break;
[0da3e2c]443 case LibCFA:
444 case 'l': // generate libcfa.c
445 libcfap = true;
446 break;
[6de43b6]447 case Linemarks:
448 case 'L': // print lines marks
449 linemarks = true;
[c850687]450 break;
[0da3e2c]451 case Nopreamble:
452 case 'n': // do not read preamble
453 nopreludep = true;
454 break;
[6de43b6]455 case Nolinemarks:
456 case 'N': // suppress line marks
457 linemarks = false;
[c59bde6]458 break;
[0da3e2c]459 case Prototypes:
460 case 'p': // generate prototypes for preamble functions
461 noprotop = true;
462 break;
[3fe34ae]463 case 'm': // don't replace the main
464 nomainp = true;
465 break;
[0da3e2c]466 case Parse:
467 case 'q': // dump parse tree
468 parsep = true;
469 break;
470 case Resolver:
471 case 'r': // print resolver steps
472 resolvep = true;
473 break;
474 case Symbol:
475 case 's': // print symbol table events
476 symtabp = true;
477 break;
478 case Tree:
479 case 't': // build in tree
480 treep = true;
481 break;
[626dbc10]482 case TupleExpansion:
483 case 'T': // print after tuple expansion
484 tuplep = true;
485 break;
[0da3e2c]486 case 'v': // dump AST after decl validation pass
487 validp = true;
488 break;
[44bca7f]489 case 'w':
[c5e5109]490 Wsuppress = true;
[44bca7f]491 break;
492 case 'W':
493 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]494 SemanticWarning_EnableAll();
[44bca7f]495 } else if ( strcmp( optarg, "error" ) == 0 ) {
496 Werror = true;
497 } else {
498 char * warning = optarg;
499 Severity s;
500 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
501 warning += 3;
502 s = Severity::Suppress;
503 } else {
504 s = Severity::Warn;
505 } // if
[68e9ace]506 SemanticWarning_Set( warning, s );
[44bca7f]507 } // if
508 break;
[e39241b]509 case 'y': // dump AST on error
[0da3e2c]510 errorp = true;
511 break;
[e39241b]512 case 'z': // dump as codegen rather than AST
[0da3e2c]513 codegenp = true;
[e39241b]514 break;
515 case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]516 prettycodegenp = true;
[0da3e2c]517 break;
518 case 'D': // ignore -Dxxx
519 break;
520 case 'F': // source file-name without suffix
521 filename = optarg;
522 break;
523 case '?':
[ae47a23]524 if ( optopt ) { // short option ?
525 assertf( false, "Unknown option: -%c\n", (char)optopt );
526 } else {
527 assertf( false, "Unknown option: %s\n", argv[optind - 1] );
528 } // if
[b6d7f44]529 #if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]530 __attribute__((fallthrough));
531 #endif
[0da3e2c]532 default:
533 abort();
534 } // switch
535 } // while
[44bca7f]536
537 if ( Werror ) {
[68e9ace]538 SemanticWarning_WarningAsError();
[44bca7f]539 } // if
[c5e5109]540 if ( Wsuppress ) {
541 SemanticWarning_SuppressAll();
542 } // if
[44bca7f]543 // for ( const auto w : WarningFormats ) {
544 // cout << w.name << ' ' << (int)w.severity << endl;
545 // } // for
[0da3e2c]546} // parse_cmdline
547
[8b7ee09]548static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]549 extern int yyparse( void );
[cbaee0d]550 extern FILE * yyin;
[0da3e2c]551 extern int yylineno;
552
[8b7ee09]553 ::linkage = linkage; // set globals
[0da3e2c]554 yyin = input;
555 yylineno = 1;
556 int parseStatus = yyparse();
[81419b5]557
558 fclose( input );
[0da3e2c]559 if ( shouldExit || parseStatus != 0 ) {
560 exit( parseStatus );
[81419b5]561 } // if
[0da3e2c]562} // parse
[81419b5]563
[1ab4ce2]564static bool notPrelude( Declaration * decl ) {
565 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]566} // notPrelude
[1ab4ce2]567
[e6955b1]568static void dump( list< Declaration * > & translationUnit, ostream & out ) {
569 list< Declaration * > decls;
[926af74]570
[1ab4ce2]571 if ( noprotop ) {
[e6955b1]572 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]573 } else {
574 decls = translationUnit;
[926af74]575 } // if
[1ab4ce2]576
[e39241b]577 // depending on commandline options, either generate code or dump the AST
578 if ( codegenp ) {
579 CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
580 } else {
581 printAll( decls, out );
582 }
[7f5566b]583 deleteAll( translationUnit );
[0da3e2c]584} // dump
[1ab4ce2]585
[51b73452]586// Local Variables: //
[b87a5ed]587// tab-width: 4 //
588// mode: c++ //
589// compile-command: "make install" //
[51b73452]590// End: //
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