source: src/main.cc@ 9d32bc8

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 new-env no_list persistent-indexer pthread-emulation qualifiedEnum with_gc
Last change on this file since 9d32bc8 was 68e9ace, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

Fixed semantic warning severity handling
  • Property mode set to 100644
File size: 19.4 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
[44bca7f]12// Last Modified On : Wed May 2 14:59:02 2018
13// Update Count : 490
[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
[bf2438c]30#include "../config.h" // for CFA_LIBDIR
31#include "CodeGen/FixMain.h" // for FixMain
32#include "CodeGen/FixNames.h" // for fixNames
33#include "CodeGen/Generate.h" // for generate
34#include "CodeTools/DeclStats.h" // for printDeclStats
35#include "CodeTools/TrackLoc.h" // for fillLocations
[bff09c8]36#include "Common/PassVisitor.h"
[bf2438c]37#include "Common/CompilerError.h" // for CompilerError
38#include "Common/SemanticError.h" // for SemanticError
39#include "Common/UnimplementedError.h" // for UnimplementedError
40#include "Common/utility.h" // for deleteAll, filter, printAll
[9f5ecf5]41#include "Concurrency/Waitfor.h" // for generateWaitfor
[bf2438c]42#include "ControlStruct/ExceptTranslate.h" // for translateEHM
43#include "ControlStruct/Mutate.h" // for mutate
44#include "GenPoly/Box.h" // for box
45#include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
46#include "GenPoly/Lvalue.h" // for convertLvalue
47#include "GenPoly/Specialize.h" // for convertSpecializations
48#include "InitTweak/FixInit.h" // for fix
49#include "InitTweak/GenInit.h" // for genInit
50#include "MakeLibCfa.h" // for makeLibCfa
51#include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
52#include "Parser/ParseNode.h" // for DeclarationNode, buildList
53#include "Parser/TypedefTable.h" // for TypedefTable
54#include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
55#include "ResolvExpr/Resolver.h" // for resolve
56#include "SymTab/Validate.h" // for validate
57#include "SynTree/Declaration.h" // for Declaration
58#include "SynTree/Visitor.h" // for acceptAll
59#include "Tuples/Tuples.h" // for expandMemberTuples, expan...
[a5f0529]60#include "Virtual/ExpandCasts.h" // for expandCasts
[51b73452]61
62using namespace std;
63
[e6955b1]64#define OPTPRINT(x) if ( errorp ) cerr << x << endl;
[81419b5]65
[0da3e2c]66
[8b7ee09]67LinkageSpec::Spec linkage = LinkageSpec::Cforall;
[0da3e2c]68TypedefTable typedefTable;
[cbaee0d]69DeclarationNode * parseTree = nullptr; // program parse tree
[81419b5]70
[926af74]71extern int yydebug; // set for -g flag (Grammar)
[b87a5ed]72bool
73 astp = false,
[de62360d]74 bresolvep = false,
[fea7ca7]75 bboxp = false,
[8905f56]76 bcodegenp = false,
[ca1c11f]77 ctorinitp = false,
[41a7137]78 declstatsp = false,
[b87a5ed]79 exprp = false,
80 expraltp = false,
[53d3ab4b]81 genericsp = false,
[b87a5ed]82 libcfap = false,
[de62360d]83 nopreludep = false,
[1ab4ce2]84 noprotop = false,
[3fe34ae]85 nomainp = false,
[de62360d]86 parsep = false,
[b87a5ed]87 resolvep = false, // used in AlternativeFinder
88 symtabp = false,
[d3b7937]89 treep = false,
[626dbc10]90 tuplep = false,
[b87a5ed]91 validp = false,
[de62360d]92 errorp = false,
[35b1bf4]93 codegenp = false,
[c850687]94 prettycodegenp = false,
[6de43b6]95 linemarks = false;
[b87a5ed]96
[926af74]97static void parse_cmdline( int argc, char *argv[], const char *& filename );
[8b7ee09]98static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
[e6955b1]99static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
100
[0afffee]101static void backtrace( int start ) { // skip first N stack frames
[e6955b1]102 enum { Frames = 50 };
103 void * array[Frames];
[0afffee]104 int size = ::backtrace( array, Frames );
105 char ** messages = ::backtrace_symbols( array, size ); // does not demangle names
106
107 *index( messages[0], '(' ) = '\0'; // find executable name
108 cerr << "Stack back trace for: " << messages[0] << endl;
[e6955b1]109
[b542bfb]110 // skip last 2 stack frames after main
111 for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
[e6955b1]112 char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
113 for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
[0afffee]114 if ( *p == '(' ) {
[46f6134]115 mangled_name = p;
[0afffee]116 } else if ( *p == '+' ) {
[e6955b1]117 offset_begin = p;
[0afffee]118 } else if ( *p == ')' ) {
[e6955b1]119 offset_end = p;
120 break;
121 } // if
122 } // for
123
124 // if line contains symbol, attempt to demangle
[b542bfb]125 int frameNo = i - start;
[e6955b1]126 if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
[0afffee]127 *mangled_name++ = '\0'; // delimit strings
[e6955b1]128 *offset_begin++ = '\0';
129 *offset_end++ = '\0';
130
[0afffee]131 int status;
[e6955b1]132 char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
[0afffee]133 // bug in __cxa_demangle for single-character lower-case non-mangled names
[e6955b1]134 if ( status == 0 ) { // demangling successful ?
[b542bfb]135 cerr << "(" << frameNo << ") " << messages[i] << " : "
[e6955b1]136 << real_name << "+" << offset_begin << offset_end << endl;
137 } else { // otherwise, output mangled name
[b542bfb]138 cerr << "(" << frameNo << ") " << messages[i] << " : "
[0afffee]139 << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
[e6955b1]140 } // if
[0afffee]141
[e6955b1]142 free( real_name );
143 } else { // otherwise, print the whole line
[b542bfb]144 cerr << "(" << frameNo << ") " << messages[i] << endl;
[e6955b1]145 } // if
146 } // for
[b542bfb]147
[e6955b1]148 free( messages );
[b542bfb]149} // backtrace
150
151void sigSegvBusHandler( int sig_num ) {
152 cerr << "*CFA runtime error* program cfa-cpp terminated with "
153 << (sig_num == SIGSEGV ? "segment fault" : "bus error")
[0afffee]154 << "." << endl;
[b542bfb]155 backtrace( 2 ); // skip first 2 stack frames
[e6955b1]156 exit( EXIT_FAILURE );
157} // sigSegvBusHandler
[0da3e2c]158
[b3c36f4]159void sigAbortHandler( __attribute__((unused)) int sig_num ) {
[b542bfb]160 backtrace( 6 ); // skip first 6 stack frames
161 signal( SIGABRT, SIG_DFL); // reset default signal handler
162 raise( SIGABRT ); // reraise SIGABRT
163} // sigAbortHandler
164
165
[cbaee0d]166int main( int argc, char * argv[] ) {
[3b8e52c]167 FILE * input; // use FILE rather than istream because yyin is FILE
[e6955b1]168 ostream *output = & cout;
[926af74]169 const char *filename = nullptr;
[e6955b1]170 list< Declaration * > translationUnit;
171
172 signal( SIGSEGV, sigSegvBusHandler );
173 signal( SIGBUS, sigSegvBusHandler );
[b542bfb]174 signal( SIGABRT, sigAbortHandler );
[b87a5ed]175
[44bca7f]176 // std::cout << "main" << std::endl;
177 // for ( int i = 0; i < argc; i += 1 ) {
178 // std::cout << '\t' << argv[i] << std::endl;
179 // } // for
180
[0da3e2c]181 parse_cmdline( argc, argv, filename ); // process command-line arguments
[13de47bc]182 CodeGen::FixMain::setReplaceMain( !nomainp );
[b87a5ed]183
184 try {
[81419b5]185 // choose to read the program from a file or stdin
[3b8e52c]186 if ( optind < argc ) { // any commands after the flags ? => input file name
[b87a5ed]187 input = fopen( argv[ optind ], "r" );
[3b8e52c]188 assertf( input, "cannot open %s\n", argv[ optind ] );
[d029162e]189 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
[926af74]190 if ( filename == nullptr ) filename = argv[ optind ];
[37024fd]191 // prelude filename comes in differently
192 if ( libcfap ) filename = "prelude.cf";
[b87a5ed]193 optind += 1;
[3b8e52c]194 } else { // no input file name
[b87a5ed]195 input = stdin;
[2a7e29b]196 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
197 // a fake name along
[926af74]198 if ( filename == nullptr ) filename = "stdin";
[b87a5ed]199 } // if
200
[159c62e]201 // read in the builtins, extras, and the prelude
[de62360d]202 if ( ! nopreludep ) { // include gcc builtins
[faf8857]203 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[807ce84]204
205 // Read to gcc builtins, if not generating the cfa library
[6ce3ae9]206 FILE * gcc_builtins = fopen( libcfap | treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
207 assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
208 parse( gcc_builtins, LinkageSpec::Compiler );
[81419b5]209
[159c62e]210 // read the extra prelude in, if not generating the cfa library
[375a068]211 FILE * extras = fopen( libcfap | treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
[3b8e52c]212 assertf( extras, "cannot open extras.cf\n" );
[f0994a1]213 parse( extras, LinkageSpec::BuiltinC );
[159c62e]214
[81419b5]215 if ( ! libcfap ) {
[faf8857]216 // read the prelude in, if not generating the cfa library
[375a068]217 FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[3b8e52c]218 assertf( prelude, "cannot open prelude.cf\n" );
[35304009]219 parse( prelude, LinkageSpec::Intrinsic );
[fa4805f]220
221 // Read to cfa builtins, if not generating the cfa library
222 FILE * builtins = fopen( libcfap | treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
223 assertf( builtins, "cannot open builtins.cf\n" );
[54d714e]224 parse( builtins, LinkageSpec::BuiltinCFA );
[b87a5ed]225 } // if
226 } // if
[81419b5]227
[926af74]228 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
[71f4e4f]229
[b87a5ed]230 if ( parsep ) {
[e6955b1]231 parseTree->printList( cout );
[0da3e2c]232 delete parseTree;
[b87a5ed]233 return 0;
234 } // if
235
[0da3e2c]236 buildList( parseTree, translationUnit );
237 delete parseTree;
[cbaee0d]238 parseTree = nullptr;
[b87a5ed]239
240 if ( astp ) {
[1ab4ce2]241 dump( translationUnit );
[b87a5ed]242 return 0;
243 } // if
244
[839ccbb]245 // add the assignment statement after the initialization of a type parameter
[81419b5]246 OPTPRINT( "validate" )
247 SymTab::validate( translationUnit, symtabp );
248 if ( symtabp ) {
[46f6134]249 deleteAll( translationUnit );
[b87a5ed]250 return 0;
251 } // if
252
[81419b5]253 if ( expraltp ) {
[bff09c8]254 PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
[81419b5]255 acceptAll( translationUnit, printer );
[b87a5ed]256 return 0;
257 } // if
258
259 if ( validp ) {
[1ab4ce2]260 dump( translationUnit );
[b87a5ed]261 return 0;
262 } // if
263
[81419b5]264 OPTPRINT( "mutate" )
265 ControlStruct::mutate( translationUnit );
[71f4e4f]266 OPTPRINT( "fixNames" )
[81419b5]267 CodeGen::fixNames( translationUnit );
[ef42b143]268 OPTPRINT( "genInit" )
[a0fdbd5]269 InitTweak::genInit( translationUnit );
[bf32bb8]270 OPTPRINT( "expandMemberTuples" );
271 Tuples::expandMemberTuples( translationUnit );
[81419b5]272 if ( libcfap ) {
273 // generate the bodies of cfa library functions
274 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]275 } // if
276
[fa2de95]277 if ( declstatsp ) {
278 CodeTools::printDeclStats( translationUnit );
279 deleteAll( translationUnit );
280 return 0;
281 }
282
[de62360d]283 if ( bresolvep ) {
[1ab4ce2]284 dump( translationUnit );
[de62360d]285 return 0;
286 } // if
287
[76b378d]288 CodeTools::fillLocations( translationUnit );
289
[81419b5]290 OPTPRINT( "resolve" )
[b87a5ed]291 ResolvExpr::resolve( translationUnit );
[81419b5]292 if ( exprp ) {
[1ab4ce2]293 dump( translationUnit );
[ca1c11f]294 return 0;
[926af74]295 } // if
[81419b5]296
[71f4e4f]297 // fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]298 OPTPRINT( "fixInit" )
299 InitTweak::fix( translationUnit, filename, libcfap || treep );
[ca1c11f]300 if ( ctorinitp ) {
301 dump ( translationUnit );
302 return 0;
[926af74]303 } // if
[71f4e4f]304
[141b786]305 OPTPRINT( "expandUniqueExpr" ); // xxx - is this the right place for this? want to expand ASAP so that subsequent 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
306 Tuples::expandUniqueExpr( translationUnit );
[626dbc10]307
[307a732]308 OPTPRINT( "translateEHM" );
309 ControlStruct::translateEHM( translationUnit );
310
[9f5ecf5]311 OPTPRINT( "generateWaitfor" );
312 Concurrency::generateWaitFor( translationUnit );
313
[626dbc10]314 OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded
315 GenPoly::convertSpecializations( translationUnit );
316
[d9fa60a]317 OPTPRINT( "expandTuples" ); // xxx - is this the right place for this?
318 Tuples::expandTuples( translationUnit );
[626dbc10]319 if ( tuplep ) {
320 dump( translationUnit );
321 return 0;
322 }
[141b786]323
[a5f0529]324 OPTPRINT( "virtual expandCasts" ) // Must come after translateEHM
325 Virtual::expandCasts( translationUnit );
326
[ea5daeb]327 OPTPRINT("instantiateGenerics")
328 GenPoly::instantiateGeneric( translationUnit );
[53d3ab4b]329 if ( genericsp ) {
330 dump( translationUnit );
331 return 0;
332 }
[81419b5]333 OPTPRINT( "convertLvalue" )
[b87a5ed]334 GenPoly::convertLvalue( translationUnit );
[fea7ca7]335
[53d3ab4b]336
[fea7ca7]337 if ( bboxp ) {
338 dump( translationUnit );
339 return 0;
[926af74]340 } // if
[81419b5]341 OPTPRINT( "box" )
[b87a5ed]342 GenPoly::box( translationUnit );
[81419b5]343
[8905f56]344 if ( bcodegenp ) {
345 dump( translationUnit );
346 return 0;
347 }
348
[13de47bc]349 if ( optind < argc ) { // any commands after the flags and input file ? => output file name
350 output = new ofstream( argv[ optind ] );
351 } // if
[0270824]352
[7b15d7a]353 CodeTools::fillLocations( translationUnit );
[53d3ab4b]354 OPTPRINT( "codegen" )
[6de43b6]355 CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks );
[0270824]356
[13de47bc]357 CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
[53d3ab4b]358 OPTPRINT( "end" )
[0270824]359
[e6955b1]360 if ( output != &cout ) {
[b87a5ed]361 delete output;
362 } // if
[a16764a6]363 } catch ( SemanticErrorException &e ) {
[b87a5ed]364 if ( errorp ) {
[e6955b1]365 cerr << "---AST at error:---" << endl;
366 dump( translationUnit, cerr );
367 cerr << endl << "---End of AST, begin error message:---\n" << endl;
[926af74]368 } // if
[d55d7a6]369 e.print();
[e6955b1]370 if ( output != &cout ) {
[b87a5ed]371 delete output;
372 } // if
373 return 1;
374 } catch ( UnimplementedError &e ) {
[e6955b1]375 cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
376 if ( output != &cout ) {
[b87a5ed]377 delete output;
378 } // if
379 return 1;
380 } catch ( CompilerError &e ) {
[e6955b1]381 cerr << "Compiler Error: " << e.get_what() << endl;
[c850687]382 cerr << "(please report bugs to [REDACTED])" << endl;
[e6955b1]383 if ( output != &cout ) {
[b87a5ed]384 delete output;
385 } // if
386 return 1;
387 } // try
388
[39786813]389 deleteAll( translationUnit );
[b87a5ed]390 return 0;
[d9a0e76]391} // main
[51b73452]392
[cbaee0d]393void parse_cmdline( int argc, char * argv[], const char *& filename ) {
[6de43b6]394 enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
[0da3e2c]395
396 static struct option long_opts[] = {
397 { "ast", no_argument, 0, Ast },
398 { "before-box", no_argument, 0, Bbox },
399 { "before-resolver", no_argument, 0, Bresolver },
400 { "ctorinitfix", no_argument, 0, CtorInitFix },
[41a7137]401 { "decl-stats", no_argument, 0, DeclStats },
[0da3e2c]402 { "expr", no_argument, 0, Expr },
403 { "expralt", no_argument, 0, ExprAlt },
404 { "grammar", no_argument, 0, Grammar },
405 { "libcfa", no_argument, 0, LibCFA },
[6de43b6]406 { "line-marks", no_argument, 0, Linemarks },
407 { "no-line-marks", no_argument, 0, Nolinemarks },
[0da3e2c]408 { "no-preamble", no_argument, 0, Nopreamble },
409 { "parse", no_argument, 0, Parse },
410 { "no-prototypes", no_argument, 0, Prototypes },
411 { "resolver", no_argument, 0, Resolver },
412 { "symbol", no_argument, 0, Symbol },
413 { "tree", no_argument, 0, Tree },
[626dbc10]414 { "tuple-expansion", no_argument, 0, TupleExpansion },
[0da3e2c]415 { "validate", no_argument, 0, Validate },
416 { 0, 0, 0, 0 }
417 }; // long_opts
418 int long_index;
419
420 opterr = 0; // (global) prevent getopt from printing error messages
421
[44bca7f]422 bool Werror = false;
[0da3e2c]423 int c;
[44bca7f]424 while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
[0da3e2c]425 switch ( c ) {
426 case Ast:
427 case 'a': // dump AST
428 astp = true;
429 break;
430 case Bresolver:
431 case 'b': // print before resolver steps
432 bresolvep = true;
433 break;
[626dbc10]434 case 'B': // print before box steps
[0da3e2c]435 bboxp = true;
436 break;
437 case CtorInitFix:
[e39241b]438 case 'c': // print after constructors and destructors are replaced
[0da3e2c]439 ctorinitp = true;
440 break;
[8905f56]441 case 'C': // print before code generation
442 bcodegenp = true;
443 break;
[41a7137]444 case DeclStats:
445 case 'd':
446 declstatsp = true;
447 break;
[0da3e2c]448 case Expr:
449 case 'e': // dump AST after expression analysis
450 exprp = true;
451 break;
452 case ExprAlt:
453 case 'f': // print alternatives for expressions
454 expraltp = true;
455 break;
456 case Grammar:
457 case 'g': // bison debugging info (grammar rules)
[926af74]458 yydebug = true;
[0da3e2c]459 break;
[44bca7f]460 case 'G': // dump AST after instantiate generics
[53d3ab4b]461 genericsp = true;
462 break;
[0da3e2c]463 case LibCFA:
464 case 'l': // generate libcfa.c
465 libcfap = true;
466 break;
[6de43b6]467 case Linemarks:
468 case 'L': // print lines marks
469 linemarks = true;
[c850687]470 break;
[0da3e2c]471 case Nopreamble:
472 case 'n': // do not read preamble
473 nopreludep = true;
474 break;
[6de43b6]475 case Nolinemarks:
476 case 'N': // suppress line marks
477 linemarks = false;
[c59bde6]478 break;
[0da3e2c]479 case Prototypes:
480 case 'p': // generate prototypes for preamble functions
481 noprotop = true;
482 break;
[3fe34ae]483 case 'm': // don't replace the main
484 nomainp = true;
485 break;
[0da3e2c]486 case Parse:
487 case 'q': // dump parse tree
488 parsep = true;
489 break;
490 case Resolver:
491 case 'r': // print resolver steps
492 resolvep = true;
493 break;
494 case Symbol:
495 case 's': // print symbol table events
496 symtabp = true;
497 break;
498 case Tree:
499 case 't': // build in tree
500 treep = true;
501 break;
[626dbc10]502 case TupleExpansion:
503 case 'T': // print after tuple expansion
504 tuplep = true;
505 break;
[0da3e2c]506 case 'v': // dump AST after decl validation pass
507 validp = true;
508 break;
[44bca7f]509 case 'w':
[68e9ace]510 SemanticWarning_SuppressAll();
[44bca7f]511 break;
512 case 'W':
513 if ( strcmp( optarg, "all" ) == 0 ) {
[68e9ace]514 SemanticWarning_EnableAll();
[44bca7f]515 } else if ( strcmp( optarg, "error" ) == 0 ) {
516 Werror = true;
517 } else {
518 char * warning = optarg;
519 Severity s;
520 if ( strncmp( optarg, "no-", 3 ) == 0 ) {
521 warning += 3;
522 s = Severity::Suppress;
523 } else {
524 s = Severity::Warn;
525 } // if
[68e9ace]526 SemanticWarning_Set( warning, s );
[44bca7f]527 } // if
528 break;
[e39241b]529 case 'y': // dump AST on error
[0da3e2c]530 errorp = true;
531 break;
[e39241b]532 case 'z': // dump as codegen rather than AST
[0da3e2c]533 codegenp = true;
[e39241b]534 break;
535 case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
[35b1bf4]536 prettycodegenp = true;
[0da3e2c]537 break;
538 case 'D': // ignore -Dxxx
539 break;
540 case 'F': // source file-name without suffix
541 filename = optarg;
542 break;
543 case '?':
[ae47a23]544 if ( optopt ) { // short option ?
545 assertf( false, "Unknown option: -%c\n", (char)optopt );
546 } else {
547 assertf( false, "Unknown option: %s\n", argv[optind - 1] );
548 } // if
[af98d27]549 #if __GNUC__ < 7
550 #else
551 __attribute__((fallthrough));
552 #endif
[0da3e2c]553 default:
554 abort();
555 } // switch
556 } // while
[44bca7f]557
558 if ( Werror ) {
[68e9ace]559 SemanticWarning_WarningAsError();
[44bca7f]560 } // if
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 typedefTable.enterScope();
575 int parseStatus = yyparse();
[81419b5]576
577 fclose( input );
[0da3e2c]578 if ( shouldExit || parseStatus != 0 ) {
579 exit( parseStatus );
[81419b5]580 } // if
[0da3e2c]581} // parse
[81419b5]582
[1ab4ce2]583static bool notPrelude( Declaration * decl ) {
584 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
[0da3e2c]585} // notPrelude
[1ab4ce2]586
[e6955b1]587static void dump( list< Declaration * > & translationUnit, ostream & out ) {
588 list< Declaration * > decls;
[926af74]589
[1ab4ce2]590 if ( noprotop ) {
[e6955b1]591 filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
[1ab4ce2]592 } else {
593 decls = translationUnit;
[926af74]594 } // if
[1ab4ce2]595
[e39241b]596 // depending on commandline options, either generate code or dump the AST
597 if ( codegenp ) {
598 CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
599 } else {
600 printAll( decls, out );
601 }
[7f5566b]602 deleteAll( translationUnit );
[0da3e2c]603} // dump
[1ab4ce2]604
[51b73452]605// Local Variables: //
[b87a5ed]606// tab-width: 4 //
607// mode: c++ //
608// compile-command: "make install" //
[51b73452]609// End: //
Note: See TracBrowser for help on using the repository browser.