source: src/main.cc@ db175c8

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii jacob/cs343-translation jenkins-sandbox memory new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since db175c8 was 2a7e29b, checked in by Rob Schluntz <rschlunt@…>, 9 years ago

fix crash when taking cfa-cpp input from stdin
  • Property mode set to 100644
File size: 10.3 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
[71f4e4f]11// Last Modified By : Rob Schluntz
[9e2c1f0]12// Last Modified On : Fri May 06 15:59:09 2016
[7b937575]13// Update Count : 203
[b87a5ed]14//
15
[51b73452]16#include <iostream>
17#include <fstream>
[b87a5ed]18#include <cstdlib>
[51b73452]19#include <cstdio>
[b87a5ed]20#include <getopt.h>
[51b73452]21#include "Parser/Parser.h"
22#include "Parser/ParseNode.h"
23#include "Parser/LinkageSpec.h"
24#include "SynTree/Declaration.h"
25#include "SynTree/Visitor.h"
26#include "GenPoly/Lvalue.h"
27#include "GenPoly/Specialize.h"
28#include "GenPoly/Box.h"
29#include "GenPoly/CopyParams.h"
30#include "CodeGen/Generate.h"
31#include "CodeGen/FixNames.h"
32#include "ControlStruct/Mutate.h"
33#include "Tuples/Mutate.h"
34#include "Tuples/FunctionChecker.h"
35#include "SymTab/Mangler.h"
36#include "SymTab/Indexer.h"
37#include "SymTab/Validate.h"
38#include "ResolvExpr/AlternativePrinter.h"
39#include "ResolvExpr/Resolver.h"
40#include "MakeLibCfa.h"
41#include "InitTweak/Mutate.h"
[a0fdbd5]42#include "InitTweak/GenInit.h"
[71f4e4f]43#include "InitTweak/FixInit.h"
[711eee5]44#include "InitTweak/FixGlobalInit.h"
[51b73452]45//#include "Explain/GenProlog.h"
46//#include "Try/Visit.h"
47
[d3b7937]48#include "Common/SemanticError.h"
49#include "Common/UnimplementedError.h"
[51b73452]50
51#include "../config.h"
52
53using namespace std;
54
[81419b5]55#define OPTPRINT(x) \
56 if ( errorp ) std::cerr << x << std::endl;
57
[1ab4ce2]58static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false );
[f77f12e2]59static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout );
[81419b5]60
[b87a5ed]61bool
62 astp = false,
[de62360d]63 bresolvep = false,
[fea7ca7]64 bboxp = false,
[ca1c11f]65 ctorinitp = false,
[b87a5ed]66 exprp = false,
67 expraltp = false,
68 grammarp = false,
69 libcfap = false,
[de62360d]70 nopreludep = false,
[1ab4ce2]71 noprotop = false,
[de62360d]72 parsep = false,
[b87a5ed]73 resolvep = false, // used in AlternativeFinder
74 symtabp = false,
[d3b7937]75 treep = false,
[b87a5ed]76 validp = false,
[de62360d]77 errorp = false,
78 codegenp = false;
[b87a5ed]79
[fea7ca7]80enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
[b87a5ed]81
82static struct option long_opts[] = {
83 { "ast", no_argument, 0, Ast },
[fea7ca7]84 { "before-box", no_argument, 0, Bbox },
[de62360d]85 { "before-resolver", no_argument, 0, Bresolver },
[ca1c11f]86 { "ctorinitfix", no_argument, 0, CtorInitFix },
[b87a5ed]87 { "expr", no_argument, 0, Expr },
88 { "expralt", no_argument, 0, ExprAlt },
89 { "grammar", no_argument, 0, Grammar },
90 { "libcfa", no_argument, 0, LibCFA },
[1ab4ce2]91 { "no-preamble", no_argument, 0, Nopreamble },
[b1d6dd5]92 { "parse", no_argument, 0, Parse },
[1ab4ce2]93 { "no-prototypes", no_argument, 0, Prototypes },
[b87a5ed]94 { "resolver", no_argument, 0, Resolver },
95 { "symbol", no_argument, 0, Symbol },
[d3b7937]96 { "tree", no_argument, 0, Tree },
[b1d6dd5]97 { "validate", no_argument, 0, Validate },
[b87a5ed]98 { 0, 0, 0, 0 }
99};
[51b73452]100
[8c17ab0]101int main( int argc, char *argv[] ) {
[b87a5ed]102 FILE *input;
103 std::ostream *output = &std::cout;
104 int long_index;
[7b937575]105 std::list< Declaration * > translationUnit;
[d029162e]106 const char *filename = NULL;
[b87a5ed]107
108 opterr = 0; // prevent getopt from printing error messages
[71f4e4f]109
[b87a5ed]110 int c;
[9e2c1f0]111 while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) {
[b87a5ed]112 switch ( c ) {
113 case Ast:
114 case 'a': // dump AST
115 astp = true;
116 break;
[de62360d]117 case Bresolver:
118 case 'b': // print before resolver steps
119 bresolvep = true;
120 break;
[fea7ca7]121 case 'B': // print before resolver steps
122 bboxp = true;
123 break;
124 case CtorInitFix:
125 case 'c':
[ca1c11f]126 ctorinitp = true;
127 break;
[b87a5ed]128 case Expr:
129 case 'e': // dump AST after expression analysis
130 exprp = true;
131 break;
132 case ExprAlt:
133 case 'f': // print alternatives for expressions
134 expraltp = true;
135 break;
136 case Grammar:
137 case 'g': // bison debugging info (grammar rules)
138 grammarp = true;
139 break;
140 case LibCFA:
141 case 'l': // generate libcfa.c
142 libcfap = true;
143 break;
144 case Nopreamble:
145 case 'n': // do not read preamble
[de62360d]146 nopreludep = true;
[b87a5ed]147 break;
148 case Prototypes:
149 case 'p': // generate prototypes for preamble functions
[1ab4ce2]150 noprotop = true;
[b87a5ed]151 break;
152 case Parse:
153 case 'q': // dump parse tree
154 parsep = true;
155 break;
156 case Resolver:
157 case 'r': // print resolver steps
158 resolvep = true;
159 break;
160 case Symbol:
161 case 's': // print symbol table events
162 symtabp = true;
163 break;
[d3b7937]164 case Tree:
165 case 't': // build in tree
166 treep = true;
167 break;
[b1d6dd5]168 case 'v': // dump AST after decl validation pass
[b87a5ed]169 validp = true;
170 break;
171 case 'y':
172 errorp = true;
173 break;
174 case 'z':
175 codegenp = true;
176 break;
177 case 'D': // ignore -Dxxx
178 break;
[7b937575]179 case 'F': // source file-name without suffix
180 filename = optarg;
181 break;
[b87a5ed]182 case '?':
183 cout << "Unknown option: '" << (char)optopt << "'" << endl;
184 exit(1);
185 default:
186 abort();
187 } // switch
188 } // while
189
190 try {
[81419b5]191 // choose to read the program from a file or stdin
[b87a5ed]192 if ( optind < argc ) {
193 input = fopen( argv[ optind ], "r" );
194 if ( ! input ) {
[711eee5]195 std::cout << "Error: can't open " << argv[ optind ] << std::endl;
[b87a5ed]196 exit( 1 );
197 } // if
[d029162e]198 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
199 if ( filename == NULL ) filename = argv[ optind ];
[37024fd]200 // prelude filename comes in differently
201 if ( libcfap ) filename = "prelude.cf";
[b87a5ed]202 optind += 1;
203 } else {
204 input = stdin;
[2a7e29b]205 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
206 // a fake name along
207 if ( filename == NULL ) filename = "stdin";
[b87a5ed]208 } // if
209
210 if ( optind < argc ) {
211 output = new ofstream( argv[ optind ] );
212 } // if
[71f4e4f]213
[b87a5ed]214 Parser::get_parser().set_debug( grammarp );
[81419b5]215
216 // read in the builtins and the prelude
[de62360d]217 if ( ! nopreludep ) { // include gcc builtins
[faf8857]218 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[d3b7937]219 FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
[b87a5ed]220 if ( builtins == NULL ) {
[d3b7937]221 std::cerr << "Error: can't open builtins.cf" << std::endl;
[b87a5ed]222 exit( 1 );
223 } // if
224
[81419b5]225 parse( builtins, LinkageSpec::Compiler );
226
227 if ( ! libcfap ) {
[faf8857]228 // read the prelude in, if not generating the cfa library
[d3b7937]229 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[81419b5]230 if ( prelude == NULL ) {
[d3b7937]231 std::cerr << "Error: can't open prelude.cf" << std::endl;
[81419b5]232 exit( 1 );
233 } // if
[71f4e4f]234
[35304009]235 parse( prelude, LinkageSpec::Intrinsic );
[b87a5ed]236 } // if
237 } // if
[81419b5]238
[71f4e4f]239 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
240
[b87a5ed]241 if ( parsep ) {
242 Parser::get_parser().get_parseTree()->printList( std::cout );
243 Parser::get_parser().freeTree();
244 return 0;
245 } // if
246
247 buildList( Parser::get_parser().get_parseTree(), translationUnit );
248
249 Parser::get_parser().freeTree();
250 if ( astp ) {
[1ab4ce2]251 dump( translationUnit );
[b87a5ed]252 return 0;
253 } // if
254
[839ccbb]255 // add the assignment statement after the initialization of a type parameter
[81419b5]256 OPTPRINT( "validate" )
257 SymTab::validate( translationUnit, symtabp );
258 if ( symtabp ) {
[b87a5ed]259 return 0;
260 } // if
261
[81419b5]262 if ( expraltp ) {
263 ResolvExpr::AlternativePrinter printer( std::cout );
264 acceptAll( translationUnit, printer );
[b87a5ed]265 return 0;
266 } // if
267
268 if ( validp ) {
[1ab4ce2]269 dump( translationUnit );
[b87a5ed]270 return 0;
271 } // if
272
[81419b5]273 OPTPRINT( "mutate" )
274 ControlStruct::mutate( translationUnit );
[71f4e4f]275 OPTPRINT( "fixNames" )
[81419b5]276 CodeGen::fixNames( translationUnit );
[711eee5]277 OPTPRINT( "fixGlobalInit" );
[03e5d14]278 InitTweak::fixGlobalInit( translationUnit, filename, libcfap || treep );
[f1e012b]279 OPTPRINT( "tweakInit" )
[a0fdbd5]280 InitTweak::genInit( translationUnit );
[b87a5ed]281
[81419b5]282 if ( libcfap ) {
283 // generate the bodies of cfa library functions
284 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]285 } // if
286
[de62360d]287 if ( bresolvep ) {
[1ab4ce2]288 dump( translationUnit );
[de62360d]289 return 0;
290 } // if
291
[81419b5]292 OPTPRINT( "resolve" )
[b87a5ed]293 ResolvExpr::resolve( translationUnit );
[81419b5]294 if ( exprp ) {
[1ab4ce2]295 dump( translationUnit );
[ca1c11f]296 return 0;
[81419b5]297 }
298
[f1e012b]299 OPTPRINT( "fixInit" )
[71f4e4f]300 // fix ObjectDecl - replaces ConstructorInit nodes
301 InitTweak::fix( translationUnit );
[ca1c11f]302 if ( ctorinitp ) {
303 dump ( translationUnit );
304 return 0;
305 }
[71f4e4f]306
[81419b5]307 OPTPRINT( "copyParams" );
[b87a5ed]308 GenPoly::copyParams( translationUnit );
[81419b5]309 OPTPRINT( "convertSpecializations" )
[698664b3]310 GenPoly::convertSpecializations( translationUnit );
[81419b5]311 OPTPRINT( "convertLvalue" )
[b87a5ed]312 GenPoly::convertLvalue( translationUnit );
[fea7ca7]313
314 if ( bboxp ) {
315 dump( translationUnit );
316 return 0;
317 }
[81419b5]318 OPTPRINT( "box" )
[b87a5ed]319 GenPoly::box( translationUnit );
[81419b5]320
[2871210]321 // print tree right before code generation
[81419b5]322 if ( codegenp ) {
[1ab4ce2]323 dump( translationUnit );
[81419b5]324 return 0;
325 } // if
[b87a5ed]326
[1ab4ce2]327 CodeGen::generate( translationUnit, *output, ! noprotop );
[b87a5ed]328
329 if ( output != &std::cout ) {
330 delete output;
331 } // if
332 } catch ( SemanticError &e ) {
333 if ( errorp ) {
[f77f12e2]334 std::cerr << "---AST at error:---" << std::endl;
335 dump( translationUnit, std::cerr );
336 std::cerr << std::endl << "---End of AST, begin error message:---\n" << std::endl;
[b87a5ed]337 }
[81419b5]338 e.print( std::cerr );
[b87a5ed]339 if ( output != &std::cout ) {
340 delete output;
341 } // if
342 return 1;
343 } catch ( UnimplementedError &e ) {
344 std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl;
345 if ( output != &std::cout ) {
346 delete output;
347 } // if
348 return 1;
349 } catch ( CompilerError &e ) {
350 std::cerr << "Compiler Error: " << e.get_what() << std::endl;
351 std::cerr << "(please report bugs to " << std::endl;
352 if ( output != &std::cout ) {
353 delete output;
354 } // if
355 return 1;
356 } // try
357
[39786813]358 deleteAll( translationUnit );
[b87a5ed]359 return 0;
[d9a0e76]360} // main
[51b73452]361
[1ab4ce2]362static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
[81419b5]363 Parser::get_parser().set_linkage( linkage );
364 Parser::get_parser().parse( input );
365
366 fclose( input );
367 if ( shouldExit || Parser::get_parser().get_parseStatus() != 0 ) {
368 exit( Parser::get_parser().get_parseStatus() );
369 } // if
370}
371
[1ab4ce2]372static bool notPrelude( Declaration * decl ) {
373 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
374}
375
[f77f12e2]376static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
[1ab4ce2]377 std::list< Declaration * > decls;
378 if ( noprotop ) {
[71f4e4f]379 filter( translationUnit.begin(), translationUnit.end(),
[1ab4ce2]380 std::back_inserter( decls ), notPrelude );
381 } else {
382 decls = translationUnit;
383 }
384
[f77f12e2]385 printAll( decls, out );
[7f5566b]386 deleteAll( translationUnit );
[1ab4ce2]387}
388
389
[51b73452]390// Local Variables: //
[b87a5ed]391// tab-width: 4 //
392// mode: c++ //
393// compile-command: "make install" //
[51b73452]394// End: //
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