source: src/main.cc@ ba80f99

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn 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 ba80f99 was 9aa9126, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc
  • Property mode set to 100644
File size: 19.7 KB
RevLine 
[b87a5ed]1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[71f4e4f]7// main.cc --
[b87a5ed]8//
[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
[4dcaed2]75std::string PreludeDirector = "";
76
[926af74]77static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]78static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]79static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
80
[0afffee]81static void backtrace( int start ) { // skip first N stack frames
[e6955b1]82 enum { Frames = 50 };
83 void * array[Frames];
[0afffee]84 int size = ::backtrace( array, Frames );
85 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
86
87 *index( messages[0], '(' ) = '\0'; // find executable name
88 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]89
[b542bfb]90 // skip last 2 stack frames after main
91 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]92 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
93 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]94 if ( *p == '(' ) {
[46f6134]95 mangled_name = p;
[0afffee]96 } else if ( *p == '+' ) {
[e6955b1]97 offset_begin = p;
[0afffee]98 } else if ( *p == ')' ) {
[e6955b1]99 offset_end = p;
100 break;
101 } // if
102 } // for
103
104 // if line contains symbol, attempt to demangle
[b542bfb]105 int frameNo = i - start;
[e6955b1]106 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]107 *mangled_name++ = '\0'; // delimit strings
[e6955b1]108 *offset_begin++ = '\0';
109 *offset_end++ = '\0';
110
[0afffee]111 int status;
[e6955b1]112 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]113 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]114 if ( status == 0 ) { // demangling successful ?
[b542bfb]115 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]116 << real_name << "+" << offset_begin << offset_end << endl;
117 } else { // otherwise, output mangled name
[b542bfb]118 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]119 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]120 } // if
[0afffee]121
[e6955b1]122 free( real_name );
123 } else { // otherwise, print the whole line
[b542bfb]124 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]125 } // if
126 } // for
[b542bfb]127
[e6955b1]128 free( messages );
[b542bfb]129} // backtrace
130
131void sigSegvBusHandler( int sig_num ) {
132 cerr << "*CFA runtime error* program cfa-cpp terminated with "
133 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]134 << "." << endl;
[b542bfb]135 backtrace( 2 ); // skip first 2 stack frames
[af84a35]136 //_exit( EXIT_FAILURE );
137 abort();
[e6955b1]138} // sigSegvBusHandler
[0da3e2c]139
[b3c36f4]140void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]141 backtrace( 6 ); // skip first 6 stack frames
142 signal( SIGABRT, SIG_DFL); // reset default signal handler
143 raise( SIGABRT ); // reraise SIGABRT
144} // sigAbortHandler
145
146
[cbaee0d]147int main( int argc, char * argv[] ) {
[3b8e52c]148 FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]149 ostream *output = & cout;
[926af74]150 const char *filename = nullptr;
[e6955b1]151 list< Declaration * > translationUnit;
152
153 signal( SIGSEGV, sigSegvBusHandler );
154 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]155 signal( SIGABRT, sigAbortHandler );
[b87a5ed]156
[44bca7f]157 // std::cout << "main" << std::endl;
158 // for ( int i = 0; i < argc; i += 1 ) {
159 // std::cout << '\t' << argv[i] << std::endl;
160 // } // for
161
[0da3e2c]162 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]163 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]164
165 try {
[81419b5]166 // choose to read the program from a file or stdin
[3b8e52c]167 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]168 input = fopen( argv[ optind ], "r" );
[3b8e52c]169 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]170 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]171 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]172 // prelude filename comes in differently
173 if ( libcfap ) filename = "prelude.cf";
[b87a5ed]174 optind += 1;
[3b8e52c]175 } else { // no input file name
[b87a5ed]176 input = stdin;
[2a7e29b]177 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
178 // a fake name along
[926af74]179 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]180 } // if
181
[159c62e]182 // read in the builtins, extras, and the prelude
[de62360d]183 if ( ! nopreludep ) { // include gcc builtins
[faf8857]184 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]185
[37fe352]186 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]187
[807ce84]188 // Read to gcc builtins, if not generating the cfa library
[37fe352]189 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]190 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
191 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]192
[159c62e]193 // read the extra prelude in, if not generating the cfa library
[37fe352]194 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]195 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]196 parse( extras, LinkageSpec::BuiltinC );
[159c62e]197
[81419b5]198 if ( ! libcfap ) {
[faf8857]199 // read the prelude in, if not generating the cfa library
[37fe352]200 FILE * prelude = fopen( (PreludeDirector + "/prelude.cf").c_str(), "r" );
[3b8e52c]201 assertf( prelude, "cannot open prelude.cf\n" );
[35304009]202 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]203
204 // Read to cfa builtins, if not generating the cfa library
[37fe352]205 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]206 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]207 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]208 } // if
209 } // if
[81419b5]210
[926af74]211 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]212
[b87a5ed]213 if ( parsep ) {
[e6955b1]214 parseTree->printList( cout );
[0da3e2c]215 delete parseTree;
[b87a5ed]216 return 0;
217 } // if
218
[0da3e2c]219 buildList( parseTree, translationUnit );
220 delete parseTree;
[cbaee0d]221 parseTree = nullptr;
[b87a5ed]222
223 if ( astp ) {
[1ab4ce2]224 dump( translationUnit );
[b87a5ed]225 return 0;
226 } // if
227
[036dd5f]228 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
229 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
230 // works okay for now.
231 CodeTools::fillLocations( translationUnit );
232
[839ccbb]233 // add the assignment statement after the initialization of a type parameter
[6edd210]234 PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]235 if ( symtabp ) {
[46f6134]236 deleteAll( translationUnit );
[b87a5ed]237 return 0;
238 } // if
239
[81419b5]240 if ( expraltp ) {
[bff09c8]241 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]242 acceptAll( translationUnit, printer );
[b87a5ed]243 return 0;
244 } // if
245
246 if ( validp ) {
[1ab4ce2]247 dump( translationUnit );
[b87a5ed]248 return 0;
249 } // if
250
[25fcb84]251 PASS( "fixLabels", ControlStruct::fixLabels( translationUnit ) );
[6edd210]252 PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
253 PASS( "genInit", InitTweak::genInit( translationUnit ) );
254 PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]255 if ( libcfap ) {
256 // generate the bodies of cfa library functions
257 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]258 } // if
259
[fa2de95]260 if ( declstatsp ) {
261 CodeTools::printDeclStats( translationUnit );
262 deleteAll( translationUnit );
263 return 0;
264 }
265
[de62360d]266 if ( bresolvep ) {
[1ab4ce2]267 dump( translationUnit );
[de62360d]268 return 0;
269 } // if
270
[76b378d]271 CodeTools::fillLocations( translationUnit );
272
[6edd210]273 PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]274 if ( exprp ) {
[1ab4ce2]275 dump( translationUnit );
[ca1c11f]276 return 0;
[926af74]277 } // if
[81419b5]278
[71f4e4f]279 // fix ObjectDecl - replaces ConstructorInit nodes
[05e6eb5]280 PASS( "fixInit", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]281 if ( ctorinitp ) {
282 dump ( translationUnit );
283 return 0;
[926af74]284 } // if
[71f4e4f]285
[6edd210]286 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]287
[6edd210]288 PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
289
290 PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]291
[6edd210]292 PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]293
[6edd210]294 PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]295
296 if ( tuplep ) {
297 dump( translationUnit );
298 return 0;
299 }
[141b786]300
[6edd210]301 PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]302
[6edd210]303 PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]304 if ( genericsp ) {
305 dump( translationUnit );
306 return 0;
307 }
[6edd210]308 PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]309
[53d3ab4b]310
[fea7ca7]311 if ( bboxp ) {
312 dump( translationUnit );
313 return 0;
[926af74]314 } // if
[6edd210]315 PASS( "box", GenPoly::box( translationUnit ) );
[81419b5]316
[8905f56]317 if ( bcodegenp ) {
318 dump( translationUnit );
319 return 0;
320 }
321
[13de47bc]322 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
323 output = new ofstream( argv[ optind ] );
324 } // if
[0270824]325
[7b15d7a]326 CodeTools::fillLocations( translationUnit );
[6edd210]327 PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]328
[37fe352]329 CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]330 if ( output != &cout ) {
[b87a5ed]331 delete output;
332 } // if
[a16764a6]333 } catch ( SemanticErrorException &e ) {
[b87a5ed]334 if ( errorp ) {
[e6955b1]335 cerr << "---AST at error:---" << endl;
336 dump( translationUnit, cerr );
337 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]338 } // if
[d55d7a6]339 e.print();
[e6955b1]340 if ( output != &cout ) {
[b87a5ed]341 delete output;
342 } // if
343 return 1;
344 } catch ( UnimplementedError &e ) {
[e6955b1]345 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
346 if ( output != &cout ) {
[b87a5ed]347 delete output;
348 } // if
349 return 1;
350 } catch ( CompilerError &e ) {
[e6955b1]351 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]352 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]353 if ( output != &cout ) {
[b87a5ed]354 delete output;
355 } // if
356 return 1;
[4990812]357 } catch(...) {
358 std::exception_ptr eptr = std::current_exception();
359 try {
360 if (eptr) {
361 std::rethrow_exception(eptr);
362 }
363 else {
364 std::cerr << "Exception Uncaught and Unkown" << std::endl;
365 }
366 } catch(const std::exception& e) {
367 std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
368 }
369 return 1;
370 }// try
[b87a5ed]371
[39786813]372 deleteAll( translationUnit );
[6d611fb]373 if(!libcfap && !treep) HeapStats::printStats();
[b87a5ed]374 return 0;
[d9a0e76]375} // main
[51b73452]376
[cbaee0d]377void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[4dcaed2]378 enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, PreludeDir, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]379
380 static struct option long_opts[] = {
381 { "ast", no_argument, 0, Ast },
382 { "before-box", no_argument, 0, Bbox },
383 { "before-resolver", no_argument, 0, Bresolver },
384 { "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]385 { "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]386 { "expr", no_argument, 0, Expr },
387 { "expralt", no_argument, 0, ExprAlt },
388 { "grammar", no_argument, 0, Grammar },
389 { "libcfa", no_argument, 0, LibCFA },
[6de43b6]390 { "line-marks", no_argument, 0, Linemarks },
391 { "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]392 { "no-preamble", no_argument, 0, Nopreamble },
393 { "parse", no_argument, 0, Parse },
[4dcaed2]394 { "prelude-dir", required_argument, 0, PreludeDir },
[0da3e2c]395 { "no-prototypes", no_argument, 0, Prototypes },
396 { "resolver", no_argument, 0, Resolver },
397 { "symbol", no_argument, 0, Symbol },
398 { "tree", no_argument, 0, Tree },
[626dbc10]399 { "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]400 { "validate", no_argument, 0, Validate },
401 { 0, 0, 0, 0 }
402 }; // long_opts
403 int long_index;
404
405 opterr = 0; // (global) prevent getopt from printing error messages
406
[c5e5109]407 bool Wsuppress = false, Werror = false;
[0da3e2c]408 int c;
[44bca7f]409 while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]410 switch ( c ) {
411 case Ast:
412 case 'a': // dump AST
413 astp = true;
414 break;
415 case Bresolver:
416 case 'b': // print before resolver steps
417 bresolvep = true;
418 break;
[626dbc10]419 case 'B': // print before box steps
[0da3e2c]420 bboxp = true;
421 break;
422 case CtorInitFix:
[e39241b]423 case 'c': // print after constructors and destructors are replaced
[0da3e2c]424 ctorinitp = true;
425 break;
[8905f56]426 case 'C': // print before code generation
427 bcodegenp = true;
428 break;
[41a7137]429 case DeclStats:
430 case 'd':
431 declstatsp = true;
432 break;
[0da3e2c]433 case Expr:
434 case 'e': // dump AST after expression analysis
435 exprp = true;
436 break;
437 case ExprAlt:
438 case 'f': // print alternatives for expressions
439 expraltp = true;
440 break;
441 case Grammar:
442 case 'g': // bison debugging info (grammar rules)
[926af74]443 yydebug = true;
[0da3e2c]444 break;
[44bca7f]445 case 'G': // dump AST after instantiate generics
[53d3ab4b]446 genericsp = true;
447 break;
[0da3e2c]448 case LibCFA:
449 case 'l': // generate libcfa.c
450 libcfap = true;
451 break;
[6de43b6]452 case Linemarks:
453 case 'L': // print lines marks
454 linemarks = true;
[c850687]455 break;
[0da3e2c]456 case Nopreamble:
457 case 'n': // do not read preamble
458 nopreludep = true;
459 break;
[6de43b6]460 case Nolinemarks:
461 case 'N': // suppress line marks
462 linemarks = false;
[c59bde6]463 break;
[0da3e2c]464 case Prototypes:
465 case 'p': // generate prototypes for preamble functions
466 noprotop = true;
467 break;
[4dcaed2]468 case PreludeDir:
469 PreludeDirector = optarg;
470 break;
[3fe34ae]471 case 'm': // don't replace the main
472 nomainp = true;
473 break;
[0da3e2c]474 case Parse:
475 case 'q': // dump parse tree
476 parsep = true;
477 break;
478 case Resolver:
479 case 'r': // print resolver steps
480 resolvep = true;
481 break;
482 case Symbol:
483 case 's': // print symbol table events
484 symtabp = true;
485 break;
486 case Tree:
487 case 't': // build in tree
488 treep = true;
489 break;
[626dbc10]490 case TupleExpansion:
491 case 'T': // print after tuple expansion
492 tuplep = true;
493 break;
[0da3e2c]494 case 'v': // dump AST after decl validation pass
495 validp = true;
496 break;
[44bca7f]497 case 'w':
[c5e5109]498 Wsuppress = true;
[44bca7f]499 break;
500 case 'W':
501 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]502 SemanticWarning_EnableAll();
[44bca7f]503 } else if ( strcmp( optarg, "error" ) == 0 ) {
504 Werror = true;
505 } else {
506 char * warning = optarg;
507 Severity s;
508 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
509 warning += 3;
510 s = Severity::Suppress;
511 } else {
512 s = Severity::Warn;
513 } // if
[68e9ace]514 SemanticWarning_Set( warning, s );
[44bca7f]515 } // if
516 break;
[e39241b]517 case 'y': // dump AST on error
[0da3e2c]518 errorp = true;
519 break;
[e39241b]520 case 'z': // dump as codegen rather than AST
[0da3e2c]521 codegenp = true;
[e39241b]522 break;
523 case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]524 prettycodegenp = true;
[0da3e2c]525 break;
526 case 'D': // ignore -Dxxx
527 break;
528 case 'F': // source file-name without suffix
529 filename = optarg;
530 break;
531 case '?':
[ae47a23]532 if ( optopt ) { // short option ?
533 assertf( false, "Unknown option: -%c\n", (char)optopt );
534 } else {
535 assertf( false, "Unknown option: %s\n", argv[optind - 1] );
536 } // if
[b6d7f44]537 #if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]538 __attribute__((fallthrough));
539 #endif
[0da3e2c]540 default:
541 abort();
542 } // switch
543 } // while
[44bca7f]544
545 if ( Werror ) {
[68e9ace]546 SemanticWarning_WarningAsError();
[44bca7f]547 } // if
[c5e5109]548 if ( Wsuppress ) {
549 SemanticWarning_SuppressAll();
550 } // if
[44bca7f]551 // for ( const auto w : WarningFormats ) {
552 // cout << w.name << ' ' << (int)w.severity << endl;
553 // } // for
[0da3e2c]554} // parse_cmdline
555
[8b7ee09]556static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]557 extern int yyparse( void );
[cbaee0d]558 extern FILE * yyin;
[0da3e2c]559 extern int yylineno;
560
[8b7ee09]561 ::linkage = linkage; // set globals
[0da3e2c]562 yyin = input;
563 yylineno = 1;
564 int parseStatus = yyparse();
[81419b5]565
566 fclose( input );
[0da3e2c]567 if ( shouldExit || parseStatus != 0 ) {
568 exit( parseStatus );
[81419b5]569 } // if
[0da3e2c]570} // parse
[81419b5]571
[1ab4ce2]572static bool notPrelude( Declaration * decl ) {
573 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]574} // notPrelude
[1ab4ce2]575
[e6955b1]576static void dump( list< Declaration * > & translationUnit, ostream & out ) {
577 list< Declaration * > decls;
[926af74]578
[1ab4ce2]579 if ( noprotop ) {
[e6955b1]580 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]581 } else {
582 decls = translationUnit;
[926af74]583 } // if
[1ab4ce2]584
[e39241b]585 // depending on commandline options, either generate code or dump the AST
586 if ( codegenp ) {
587 CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
588 } else {
589 printAll( decls, out );
590 }
[7f5566b]591 deleteAll( translationUnit );
[0da3e2c]592} // dump
[1ab4ce2]593
[51b73452]594// Local Variables: //
[b87a5ed]595// tab-width: 4 //
596// mode: c++ //
597// compile-command: "make install" //
[51b73452]598// End: //
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