source: src/main.cc@ 8f55e8e9

ADT aaron-thesis 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 8f55e8e9 was 3c0d4cd, checked in by tdelisle <tdelisle@…>, 7 years ago

Fixed/implemented % of parent printing in timing sections
  • Property mode set to 100644
File size: 20.7 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
[d08beee]12// Last Modified On : Sat Feb 16 09:14:04 2019
13// Update Count : 500
[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
[7abee38]39#include "Common/Stats.h"
[cbbd5b48]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
[675716e]67
68void NewPass(const char * const name) {
69 Stats::Heap::newPass(name);
[1cb7fab2]70 using namespace Stats::Counters;
71 static auto pass_visitor_group = build<CounterGroup>("Pass Visitor");
72 auto pass = build<CounterGroup>(name, pass_visitor_group);
[675716e]73 pass_visitor_stats.depth = 0;
[1cb7fab2]74 pass_visitor_stats.avg = build<AverageCounter<double>>("Average Depth", pass);
75 pass_visitor_stats.max = build<MaxCounter<double>>("Max Depth", pass);
[675716e]76}
77
78#define PASS(name, pass) \
[ecaeac6e]79 if ( errorp ) { cerr << name << endl; } \
[675716e]80 NewPass(name); \
[4f97937]81 Stats::Time::StartBlock(name); \
82 pass; \
83 Stats::Time::StopBlock();
[0da3e2c]84
[8b7ee09]85LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]86TypedefTable typedefTable;
[cbaee0d]87DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]88
[4dcaed2]89std::string PreludeDirector = "";
90
[926af74]91static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]92static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]93static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
94
[0afffee]95static void backtrace( int start ) { // skip first N stack frames
[e6955b1]96 enum { Frames = 50 };
97 void * array[Frames];
[0afffee]98 int size = ::backtrace( array, Frames );
99 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
100
101 *index( messages[0], '(' ) = '\0'; // find executable name
102 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]103
[b542bfb]104 // skip last 2 stack frames after main
105 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]106 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
107 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]108 if ( *p == '(' ) {
[46f6134]109 mangled_name = p;
[0afffee]110 } else if ( *p == '+' ) {
[e6955b1]111 offset_begin = p;
[0afffee]112 } else if ( *p == ')' ) {
[e6955b1]113 offset_end = p;
114 break;
115 } // if
116 } // for
117
118 // if line contains symbol, attempt to demangle
[b542bfb]119 int frameNo = i - start;
[e6955b1]120 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]121 *mangled_name++ = '\0'; // delimit strings
[e6955b1]122 *offset_begin++ = '\0';
123 *offset_end++ = '\0';
124
[0afffee]125 int status;
[e6955b1]126 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]127 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]128 if ( status == 0 ) { // demangling successful ?
[b542bfb]129 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]130 << real_name << "+" << offset_begin << offset_end << endl;
131 } else { // otherwise, output mangled name
[b542bfb]132 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]133 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]134 } // if
[0afffee]135
[e6955b1]136 free( real_name );
137 } else { // otherwise, print the whole line
[b542bfb]138 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]139 } // if
140 } // for
[b542bfb]141
[e6955b1]142 free( messages );
[b542bfb]143} // backtrace
144
145void sigSegvBusHandler( int sig_num ) {
146 cerr << "*CFA runtime error* program cfa-cpp terminated with "
147 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]148 << "." << endl;
[b542bfb]149 backtrace( 2 ); // skip first 2 stack frames
[af84a35]150 //_exit( EXIT_FAILURE );
151 abort();
[e6955b1]152} // sigSegvBusHandler
[0da3e2c]153
[b3c36f4]154void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]155 backtrace( 6 ); // skip first 6 stack frames
156 signal( SIGABRT, SIG_DFL); // reset default signal handler
[675716e]157 raise( SIGABRT ); // reraise SIGABRT
[b542bfb]158} // sigAbortHandler
159
160
[cbaee0d]161int main( int argc, char * argv[] ) {
[3b8e52c]162 FILE * input; // use FILE rather than istream because yyin is FILE
[d08beee]163 ostream * output = & cout;
164 const char * filename = nullptr;
[e6955b1]165 list< Declaration * > translationUnit;
166
167 signal( SIGSEGV, sigSegvBusHandler );
168 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]169 signal( SIGABRT, sigAbortHandler );
[b87a5ed]170
[44bca7f]171 // std::cout << "main" << std::endl;
172 // for ( int i = 0; i < argc; i += 1 ) {
173 // std::cout << '\t' << argv[i] << std::endl;
174 // } // for
175
[0da3e2c]176 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]177 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]178
179 try {
[81419b5]180 // choose to read the program from a file or stdin
[3b8e52c]181 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]182 input = fopen( argv[ optind ], "r" );
[3b8e52c]183 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]184 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]185 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]186 // prelude filename comes in differently
[e523b07]187 if ( libcfap ) filename = "prelude.cfa";
[b87a5ed]188 optind += 1;
[3b8e52c]189 } else { // no input file name
[b87a5ed]190 input = stdin;
[2a7e29b]191 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
192 // a fake name along
[926af74]193 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]194 } // if
195
[79eaeb7]196 Stats::Time::StartGlobal();
[3c0d4cd]197 NewPass("Parse");
198 Stats::Time::StartBlock("Parse");
[675716e]199
[159c62e]200 // read in the builtins, extras, and the prelude
[de62360d]201 if ( ! nopreludep ) { // include gcc builtins
[faf8857]202 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]203
[37fe352]204 assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." );
[4dcaed2]205
[807ce84]206 // Read to gcc builtins, if not generating the cfa library
[37fe352]207 FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" );
[6ce3ae9]208 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
209 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]210
[159c62e]211 // read the extra prelude in, if not generating the cfa library
[37fe352]212 FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" );
[3b8e52c]213 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]214 parse( extras, LinkageSpec::BuiltinC );
[159c62e]215
[81419b5]216 if ( ! libcfap ) {
[faf8857]217 // read the prelude in, if not generating the cfa library
[e523b07]218 FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" );
219 assertf( prelude, "cannot open prelude.cfa\n" );
[35304009]220 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]221
222 // Read to cfa builtins, if not generating the cfa library
[37fe352]223 FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" );
[fa4805f]224 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]225 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]226 } // if
227 } // if
[81419b5]228
[926af74]229 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]230
[b87a5ed]231 if ( parsep ) {
[e6955b1]232 parseTree->printList( cout );
[0da3e2c]233 delete parseTree;
[b87a5ed]234 return 0;
235 } // if
236
[0da3e2c]237 buildList( parseTree, translationUnit );
238 delete parseTree;
[cbaee0d]239 parseTree = nullptr;
[b87a5ed]240
241 if ( astp ) {
[1ab4ce2]242 dump( translationUnit );
[b87a5ed]243 return 0;
244 } // if
245
[036dd5f]246 // Temporary: fill locations after parsing so that every node has a location, for early error messages.
247 // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution
248 // works okay for now.
249 CodeTools::fillLocations( translationUnit );
[3c0d4cd]250 Stats::Time::StopBlock();
[036dd5f]251
[839ccbb]252 // add the assignment statement after the initialization of a type parameter
[675716e]253 PASS( "Validate", SymTab::validate( translationUnit, symtabp ) );
[81419b5]254 if ( symtabp ) {
[46f6134]255 deleteAll( translationUnit );
[b87a5ed]256 return 0;
257 } // if
258
[81419b5]259 if ( expraltp ) {
[bff09c8]260 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]261 acceptAll( translationUnit, printer );
[b87a5ed]262 return 0;
263 } // if
264
265 if ( validp ) {
[1ab4ce2]266 dump( translationUnit );
[b87a5ed]267 return 0;
268 } // if
269
[675716e]270 PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) );
271 PASS( "Fix Names", CodeGen::fixNames( translationUnit ) );
272 PASS( "Gen Init", InitTweak::genInit( translationUnit ) );
273 PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) );
[81419b5]274 if ( libcfap ) {
275 // generate the bodies of cfa library functions
276 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]277 } // if
278
[fa2de95]279 if ( declstatsp ) {
280 CodeTools::printDeclStats( translationUnit );
281 deleteAll( translationUnit );
282 return 0;
283 }
284
[de62360d]285 if ( bresolvep ) {
[1ab4ce2]286 dump( translationUnit );
[de62360d]287 return 0;
288 } // if
289
[76b378d]290 CodeTools::fillLocations( translationUnit );
291
[3b3491b6]292 if ( resolvprotop ) {
293 CodeTools::dumpAsResolvProto( translationUnit );
294 return 0;
295 }
296
[675716e]297 PASS( "Resolve", ResolvExpr::resolve( translationUnit ) );
[81419b5]298 if ( exprp ) {
[1ab4ce2]299 dump( translationUnit );
[ca1c11f]300 return 0;
[926af74]301 } // if
[81419b5]302
[71f4e4f]303 // fix ObjectDecl - replaces ConstructorInit nodes
[675716e]304 PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) );
[ca1c11f]305 if ( ctorinitp ) {
306 dump ( translationUnit );
307 return 0;
[926af74]308 } // if
[71f4e4f]309
[675716e]310 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]311
[675716e]312 PASS( "Translate EHM" , ControlStruct::translateEHM( translationUnit ) );
[6edd210]313
[675716e]314 PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) );
[307a732]315
[675716e]316 PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
[9f5ecf5]317
[675716e]318 PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
[626dbc10]319
320 if ( tuplep ) {
321 dump( translationUnit );
322 return 0;
323 }
[141b786]324
[675716e]325 PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
[a5f0529]326
[675716e]327 PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) );
[53d3ab4b]328 if ( genericsp ) {
329 dump( translationUnit );
330 return 0;
331 }
[675716e]332 PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) );
[fea7ca7]333
[53d3ab4b]334
[fea7ca7]335 if ( bboxp ) {
336 dump( translationUnit );
337 return 0;
[926af74]338 } // if
[675716e]339 PASS( "Box", GenPoly::box( translationUnit ) );
[81419b5]340
[8905f56]341 if ( bcodegenp ) {
342 dump( translationUnit );
343 return 0;
344 }
345
[13de47bc]346 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
347 output = new ofstream( argv[ optind ] );
348 } // if
[0270824]349
[7b15d7a]350 CodeTools::fillLocations( translationUnit );
[675716e]351 PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
[0270824]352
[37fe352]353 CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() );
[e6955b1]354 if ( output != &cout ) {
[b87a5ed]355 delete output;
356 } // if
[a16764a6]357 } catch ( SemanticErrorException &e ) {
[b87a5ed]358 if ( errorp ) {
[e6955b1]359 cerr << "---AST at error:---" << endl;
360 dump( translationUnit, cerr );
361 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]362 } // if
[d55d7a6]363 e.print();
[e6955b1]364 if ( output != &cout ) {
[b87a5ed]365 delete output;
366 } // if
367 return 1;
368 } catch ( UnimplementedError &e ) {
[e6955b1]369 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
370 if ( output != &cout ) {
[b87a5ed]371 delete output;
372 } // if
373 return 1;
374 } catch ( CompilerError &e ) {
[e6955b1]375 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]376 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]377 if ( output != &cout ) {
[b87a5ed]378 delete output;
379 } // if
380 return 1;
[4990812]381 } catch(...) {
382 std::exception_ptr eptr = std::current_exception();
383 try {
384 if (eptr) {
385 std::rethrow_exception(eptr);
386 }
387 else {
388 std::cerr << "Exception Uncaught and Unkown" << std::endl;
389 }
390 } catch(const std::exception& e) {
[0689cd9]391 std::cerr << "Uncaught Exception \"" << e.what() << "\"\n";
[4990812]392 }
393 return 1;
394 }// try
[b87a5ed]395
[39786813]396 deleteAll( translationUnit );
[1cb7fab2]397 Stats::print();
[8f74a6a]398
[b87a5ed]399 return 0;
[d9a0e76]400} // main
[51b73452]401
[cbaee0d]402void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[ebcc940]403 enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, PreludeDir, Prototypes, Resolver, ResolvProto, Stats, Symbol, Tree, TupleExpansion, Validate};
[0da3e2c]404
405 static struct option long_opts[] = {
406 { "ast", no_argument, 0, Ast },
407 { "before-box", no_argument, 0, Bbox },
408 { "before-resolver", no_argument, 0, Bresolver },
409 { "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]410 { "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]411 { "expr", no_argument, 0, Expr },
412 { "expralt", no_argument, 0, ExprAlt },
413 { "grammar", no_argument, 0, Grammar },
414 { "libcfa", no_argument, 0, LibCFA },
[6de43b6]415 { "line-marks", no_argument, 0, Linemarks },
416 { "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]417 { "no-preamble", no_argument, 0, Nopreamble },
418 { "parse", no_argument, 0, Parse },
[4dcaed2]419 { "prelude-dir", required_argument, 0, PreludeDir },
[0da3e2c]420 { "no-prototypes", no_argument, 0, Prototypes },
421 { "resolver", no_argument, 0, Resolver },
[3b3491b6]422 { "resolv-proto", no_argument, 0, ResolvProto },
[ebcc940]423 { "stats", required_argument, 0, Stats },
[0da3e2c]424 { "symbol", no_argument, 0, Symbol },
425 { "tree", no_argument, 0, Tree },
[626dbc10]426 { "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]427 { "validate", no_argument, 0, Validate },
428 { 0, 0, 0, 0 }
429 }; // long_opts
430 int long_index;
431
432 opterr = 0; // (global) prevent getopt from printing error messages
433
[c5e5109]434 bool Wsuppress = false, Werror = false;
[0da3e2c]435 int c;
[3b3491b6]436 while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrRstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]437 switch ( c ) {
[675716e]438 case Ast:
439 case 'a': // dump AST
[0da3e2c]440 astp = true;
441 break;
[675716e]442 case Bresolver:
443 case 'b': // print before resolver steps
[0da3e2c]444 bresolvep = true;
445 break;
[675716e]446 case 'B': // print before box steps
[0da3e2c]447 bboxp = true;
448 break;
[675716e]449 case CtorInitFix:
450 case 'c': // print after constructors and destructors are replaced
[0da3e2c]451 ctorinitp = true;
452 break;
[675716e]453 case 'C': // print before code generation
[8905f56]454 bcodegenp = true;
455 break;
[675716e]456 case DeclStats:
457 case 'd':
458 declstatsp = true;
[41a7137]459 break;
[675716e]460 case Expr:
461 case 'e': // dump AST after expression analysis
[0da3e2c]462 exprp = true;
463 break;
[675716e]464 case ExprAlt:
465 case 'f': // print alternatives for expressions
[0da3e2c]466 expraltp = true;
467 break;
[675716e]468 case Grammar:
469 case 'g': // bison debugging info (grammar rules)
[926af74]470 yydebug = true;
[0da3e2c]471 break;
[675716e]472 case 'G': // dump AST after instantiate generics
[53d3ab4b]473 genericsp = true;
474 break;
[675716e]475 case LibCFA:
476 case 'l': // generate libcfa.c
[0da3e2c]477 libcfap = true;
478 break;
[675716e]479 case Linemarks:
480 case 'L': // print lines marks
[6de43b6]481 linemarks = true;
[c850687]482 break;
[675716e]483 case Nopreamble:
484 case 'n': // do not read preamble
[0da3e2c]485 nopreludep = true;
486 break;
[675716e]487 case Nolinemarks:
488 case 'N': // suppress line marks
[6de43b6]489 linemarks = false;
[c59bde6]490 break;
[675716e]491 case Prototypes:
492 case 'p': // generate prototypes for preamble functions
[0da3e2c]493 noprotop = true;
494 break;
[675716e]495 case PreludeDir:
496 PreludeDirector = optarg;
[4dcaed2]497 break;
[675716e]498 case 'm': // don't replace the main
499 nomainp = true;
[3fe34ae]500 break;
[675716e]501 case Parse:
502 case 'q': // dump parse tree
[0da3e2c]503 parsep = true;
504 break;
[675716e]505 case Resolver:
506 case 'r': // print resolver steps
[0da3e2c]507 resolvep = true;
508 break;
[675716e]509 case 'R': // dump resolv-proto instance
[3b3491b6]510 resolvprotop = true;
511 break;
[675716e]512 case Stats:
[1cb7fab2]513 Stats::parse_params(optarg);
[ebcc940]514 break;
[675716e]515 case Symbol:
516 case 's': // print symbol table events
[0da3e2c]517 symtabp = true;
518 break;
[675716e]519 case Tree:
520 case 't': // build in tree
[0da3e2c]521 treep = true;
522 break;
[675716e]523 case TupleExpansion:
524 case 'T': // print after tuple expansion
[626dbc10]525 tuplep = true;
526 break;
[675716e]527 case 'v': // dump AST after decl validation pass
[0da3e2c]528 validp = true;
529 break;
[675716e]530 case 'w':
[c5e5109]531 Wsuppress = true;
[44bca7f]532 break;
[675716e]533 case 'W':
[44bca7f]534 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]535 SemanticWarning_EnableAll();
[44bca7f]536 } else if ( strcmp( optarg, "error" ) == 0 ) {
537 Werror = true;
538 } else {
539 char * warning = optarg;
540 Severity s;
541 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
542 warning += 3;
543 s = Severity::Suppress;
544 } else {
545 s = Severity::Warn;
546 } // if
[68e9ace]547 SemanticWarning_Set( warning, s );
[44bca7f]548 } // if
549 break;
[675716e]550 case 'y': // dump AST on error
[0da3e2c]551 errorp = true;
552 break;
[675716e]553 case 'z': // dump as codegen rather than AST
[0da3e2c]554 codegenp = true;
[e39241b]555 break;
556 case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]557 prettycodegenp = true;
[0da3e2c]558 break;
[675716e]559 case 'D': // ignore -Dxxx
[0da3e2c]560 break;
[675716e]561 case 'F': // source file-name without suffix
[0da3e2c]562 filename = optarg;
563 break;
[675716e]564 case '?':
[ae47a23]565 if ( optopt ) { // short option ?
566 assertf( false, "Unknown option: -%c\n", (char)optopt );
567 } else {
568 assertf( false, "Unknown option: %s\n", argv[optind - 1] );
569 } // if
[b6d7f44]570 #if defined(__GNUC__) && __GNUC__ >= 7
[af98d27]571 __attribute__((fallthrough));
572 #endif
[675716e]573 default:
[0da3e2c]574 abort();
575 } // switch
576 } // while
[44bca7f]577
578 if ( Werror ) {
[68e9ace]579 SemanticWarning_WarningAsError();
[44bca7f]580 } // if
[c5e5109]581 if ( Wsuppress ) {
582 SemanticWarning_SuppressAll();
583 } // if
[44bca7f]584 // for ( const auto w : WarningFormats ) {
585 // cout << w.name << ' ' << (int)w.severity << endl;
586 // } // for
[0da3e2c]587} // parse_cmdline
588
[8b7ee09]589static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
[0da3e2c]590 extern int yyparse( void );
[cbaee0d]591 extern FILE * yyin;
[0da3e2c]592 extern int yylineno;
593
[8b7ee09]594 ::linkage = linkage; // set globals
[0da3e2c]595 yyin = input;
596 yylineno = 1;
597 int parseStatus = yyparse();
[81419b5]598
599 fclose( input );
[0da3e2c]600 if ( shouldExit || parseStatus != 0 ) {
601 exit( parseStatus );
[81419b5]602 } // if
[0da3e2c]603} // parse
[81419b5]604
[1ab4ce2]605static bool notPrelude( Declaration * decl ) {
606 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]607} // notPrelude
[1ab4ce2]608
[e6955b1]609static void dump( list< Declaration * > & translationUnit, ostream & out ) {
610 list< Declaration * > decls;
[926af74]611
[1ab4ce2]612 if ( noprotop ) {
[e6955b1]613 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]614 } else {
615 decls = translationUnit;
[926af74]616 } // if
[1ab4ce2]617
[e39241b]618 // depending on commandline options, either generate code or dump the AST
619 if ( codegenp ) {
620 CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
621 } else {
622 printAll( decls, out );
623 }
[7f5566b]624 deleteAll( translationUnit );
[0da3e2c]625} // dump
[1ab4ce2]626
[51b73452]627// Local Variables: //
[b87a5ed]628// tab-width: 4 //
629// mode: c++ //
630// compile-command: "make install" //
[51b73452]631// End: //
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