source: src/main.cc@ 7527e63

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay 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 7527e63 was 7880579, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

more refactoring of parser code
  • Property mode set to 100644
File size: 10.5 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
[dd51906]11// Last Modified By : Peter A. Buhr
[7880579]12// Last Modified On : Mon Aug 15 17:58:57 2016
13// Update Count : 220
[b87a5ed]14//
15
[51b73452]16#include <iostream>
17#include <fstream>
[b87a5ed]18#include <getopt.h>
[51b73452]19#include "Parser/Parser.h"
20#include "SynTree/Declaration.h"
21#include "SynTree/Visitor.h"
22#include "GenPoly/Lvalue.h"
23#include "GenPoly/Specialize.h"
24#include "GenPoly/Box.h"
25#include "GenPoly/CopyParams.h"
[ea5daeb]26#include "GenPoly/InstantiateGeneric.h"
[51b73452]27#include "CodeGen/Generate.h"
28#include "CodeGen/FixNames.h"
29#include "ControlStruct/Mutate.h"
30#include "Tuples/Mutate.h"
31#include "Tuples/FunctionChecker.h"
32#include "SymTab/Mangler.h"
33#include "SymTab/Indexer.h"
34#include "SymTab/Validate.h"
35#include "ResolvExpr/AlternativePrinter.h"
36#include "ResolvExpr/Resolver.h"
37#include "MakeLibCfa.h"
38#include "InitTweak/Mutate.h"
[a0fdbd5]39#include "InitTweak/GenInit.h"
[71f4e4f]40#include "InitTweak/FixInit.h"
[51b73452]41
[d3b7937]42#include "Common/SemanticError.h"
43#include "Common/UnimplementedError.h"
[51b73452]44
45#include "../config.h"
46
47using namespace std;
48
[81419b5]49#define OPTPRINT(x) \
50 if ( errorp ) std::cerr << x << std::endl;
51
[1ab4ce2]52static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false );
[f77f12e2]53static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout );
[81419b5]54
[b87a5ed]55bool
56 astp = false,
[de62360d]57 bresolvep = false,
[fea7ca7]58 bboxp = false,
[ca1c11f]59 ctorinitp = false,
[b87a5ed]60 exprp = false,
61 expraltp = false,
62 grammarp = false,
63 libcfap = false,
[de62360d]64 nopreludep = false,
[1ab4ce2]65 noprotop = false,
[de62360d]66 parsep = false,
[b87a5ed]67 resolvep = false, // used in AlternativeFinder
68 symtabp = false,
[d3b7937]69 treep = false,
[b87a5ed]70 validp = false,
[de62360d]71 errorp = false,
72 codegenp = false;
[b87a5ed]73
[fea7ca7]74enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
[b87a5ed]75
76static struct option long_opts[] = {
77 { "ast", no_argument, 0, Ast },
[fea7ca7]78 { "before-box", no_argument, 0, Bbox },
[de62360d]79 { "before-resolver", no_argument, 0, Bresolver },
[ca1c11f]80 { "ctorinitfix", no_argument, 0, CtorInitFix },
[b87a5ed]81 { "expr", no_argument, 0, Expr },
82 { "expralt", no_argument, 0, ExprAlt },
83 { "grammar", no_argument, 0, Grammar },
84 { "libcfa", no_argument, 0, LibCFA },
[1ab4ce2]85 { "no-preamble", no_argument, 0, Nopreamble },
[b1d6dd5]86 { "parse", no_argument, 0, Parse },
[1ab4ce2]87 { "no-prototypes", no_argument, 0, Prototypes },
[b87a5ed]88 { "resolver", no_argument, 0, Resolver },
89 { "symbol", no_argument, 0, Symbol },
[d3b7937]90 { "tree", no_argument, 0, Tree },
[b1d6dd5]91 { "validate", no_argument, 0, Validate },
[b87a5ed]92 { 0, 0, 0, 0 }
93};
[51b73452]94
[8c17ab0]95int main( int argc, char *argv[] ) {
[b87a5ed]96 FILE *input;
97 std::ostream *output = &std::cout;
98 int long_index;
[7b937575]99 std::list< Declaration * > translationUnit;
[d029162e]100 const char *filename = NULL;
[b87a5ed]101
102 opterr = 0; // prevent getopt from printing error messages
[71f4e4f]103
[b87a5ed]104 int c;
[9e2c1f0]105 while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) {
[b87a5ed]106 switch ( c ) {
107 case Ast:
108 case 'a': // dump AST
109 astp = true;
110 break;
[de62360d]111 case Bresolver:
112 case 'b': // print before resolver steps
113 bresolvep = true;
114 break;
[fea7ca7]115 case 'B': // print before resolver steps
116 bboxp = true;
117 break;
118 case CtorInitFix:
119 case 'c':
[ca1c11f]120 ctorinitp = true;
121 break;
[b87a5ed]122 case Expr:
123 case 'e': // dump AST after expression analysis
124 exprp = true;
125 break;
126 case ExprAlt:
127 case 'f': // print alternatives for expressions
128 expraltp = true;
129 break;
130 case Grammar:
131 case 'g': // bison debugging info (grammar rules)
132 grammarp = true;
133 break;
134 case LibCFA:
135 case 'l': // generate libcfa.c
136 libcfap = true;
137 break;
138 case Nopreamble:
139 case 'n': // do not read preamble
[de62360d]140 nopreludep = true;
[b87a5ed]141 break;
142 case Prototypes:
143 case 'p': // generate prototypes for preamble functions
[1ab4ce2]144 noprotop = true;
[b87a5ed]145 break;
146 case Parse:
147 case 'q': // dump parse tree
148 parsep = true;
149 break;
150 case Resolver:
151 case 'r': // print resolver steps
152 resolvep = true;
153 break;
154 case Symbol:
155 case 's': // print symbol table events
156 symtabp = true;
157 break;
[d3b7937]158 case Tree:
159 case 't': // build in tree
160 treep = true;
161 break;
[b1d6dd5]162 case 'v': // dump AST after decl validation pass
[b87a5ed]163 validp = true;
164 break;
165 case 'y':
166 errorp = true;
167 break;
168 case 'z':
169 codegenp = true;
170 break;
171 case 'D': // ignore -Dxxx
172 break;
[7b937575]173 case 'F': // source file-name without suffix
174 filename = optarg;
175 break;
[b87a5ed]176 case '?':
177 cout << "Unknown option: '" << (char)optopt << "'" << endl;
[dd51906]178 exit( EXIT_FAILURE );
[b87a5ed]179 default:
180 abort();
181 } // switch
182 } // while
183
184 try {
[81419b5]185 // choose to read the program from a file or stdin
[b87a5ed]186 if ( optind < argc ) {
187 input = fopen( argv[ optind ], "r" );
188 if ( ! input ) {
[35f9114]189 std::cout << "Error: cannot open " << argv[ optind ] << std::endl;
[dd51906]190 exit( EXIT_FAILURE );
[b87a5ed]191 } // if
[d029162e]192 // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
193 if ( filename == NULL ) filename = argv[ optind ];
[37024fd]194 // prelude filename comes in differently
195 if ( libcfap ) filename = "prelude.cf";
[b87a5ed]196 optind += 1;
197 } else {
198 input = stdin;
[2a7e29b]199 // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
200 // a fake name along
201 if ( filename == NULL ) filename = "stdin";
[b87a5ed]202 } // if
203
204 if ( optind < argc ) {
205 output = new ofstream( argv[ optind ] );
206 } // if
[71f4e4f]207
[b87a5ed]208 Parser::get_parser().set_debug( grammarp );
[81419b5]209
[159c62e]210 // read in the builtins, extras, and the prelude
[de62360d]211 if ( ! nopreludep ) { // include gcc builtins
[faf8857]212 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
[d3b7937]213 FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
[b87a5ed]214 if ( builtins == NULL ) {
[35f9114]215 std::cerr << "Error: cannot open builtins.cf" << std::endl;
[dd51906]216 exit( EXIT_FAILURE );
[b87a5ed]217 } // if
[81419b5]218 parse( builtins, LinkageSpec::Compiler );
219
[159c62e]220 // read the extra prelude in, if not generating the cfa library
221 FILE * extras = fopen( libcfap | treep ? "extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
222 if ( extras == NULL ) {
[35f9114]223 std::cerr << "Error: cannot open extras.cf" << std::endl;
[159c62e]224 exit( EXIT_FAILURE );
225 } // if
226 parse( extras, LinkageSpec::C );
227
[81419b5]228 if ( ! libcfap ) {
[faf8857]229 // read the prelude in, if not generating the cfa library
[d3b7937]230 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
[81419b5]231 if ( prelude == NULL ) {
[35f9114]232 std::cerr << "Error: cannot open prelude.cf" << std::endl;
[dd51906]233 exit( EXIT_FAILURE );
[81419b5]234 } // if
[71f4e4f]235
[35304009]236 parse( prelude, LinkageSpec::Intrinsic );
[b87a5ed]237 } // if
238 } // if
[81419b5]239
[71f4e4f]240 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
241
[b87a5ed]242 if ( parsep ) {
243 Parser::get_parser().get_parseTree()->printList( std::cout );
244 Parser::get_parser().freeTree();
245 return 0;
246 } // if
247
248 buildList( Parser::get_parser().get_parseTree(), translationUnit );
249
250 Parser::get_parser().freeTree();
251 if ( astp ) {
[1ab4ce2]252 dump( translationUnit );
[b87a5ed]253 return 0;
254 } // if
255
[839ccbb]256 // add the assignment statement after the initialization of a type parameter
[81419b5]257 OPTPRINT( "validate" )
258 SymTab::validate( translationUnit, symtabp );
259 if ( symtabp ) {
[b87a5ed]260 return 0;
261 } // if
262
[81419b5]263 if ( expraltp ) {
264 ResolvExpr::AlternativePrinter printer( std::cout );
265 acceptAll( translationUnit, printer );
[b87a5ed]266 return 0;
267 } // if
268
269 if ( validp ) {
[1ab4ce2]270 dump( translationUnit );
[b87a5ed]271 return 0;
272 } // if
273
[81419b5]274 OPTPRINT( "mutate" )
275 ControlStruct::mutate( translationUnit );
[71f4e4f]276 OPTPRINT( "fixNames" )
[81419b5]277 CodeGen::fixNames( translationUnit );
[f1e012b]278 OPTPRINT( "tweakInit" )
[a0fdbd5]279 InitTweak::genInit( translationUnit );
[b87a5ed]280
[81419b5]281 if ( libcfap ) {
282 // generate the bodies of cfa library functions
283 LibCfa::makeLibCfa( translationUnit );
[b87a5ed]284 } // if
285
[de62360d]286 if ( bresolvep ) {
[1ab4ce2]287 dump( translationUnit );
[de62360d]288 return 0;
289 } // if
290
[81419b5]291 OPTPRINT( "resolve" )
[b87a5ed]292 ResolvExpr::resolve( translationUnit );
[81419b5]293 if ( exprp ) {
[1ab4ce2]294 dump( translationUnit );
[ca1c11f]295 return 0;
[81419b5]296 }
297
[71f4e4f]298 // fix ObjectDecl - replaces ConstructorInit nodes
[6cf27a07]299 OPTPRINT( "fixInit" )
300 InitTweak::fix( translationUnit, filename, libcfap || treep );
[ca1c11f]301 if ( ctorinitp ) {
302 dump ( translationUnit );
303 return 0;
304 }
[71f4e4f]305
[ea5daeb]306 OPTPRINT("instantiateGenerics")
307 GenPoly::instantiateGeneric( translationUnit );
[81419b5]308 OPTPRINT( "copyParams" );
[b87a5ed]309 GenPoly::copyParams( translationUnit );
[81419b5]310 OPTPRINT( "convertSpecializations" )
[698664b3]311 GenPoly::convertSpecializations( translationUnit );
[81419b5]312 OPTPRINT( "convertLvalue" )
[b87a5ed]313 GenPoly::convertLvalue( translationUnit );
[fea7ca7]314
315 if ( bboxp ) {
316 dump( translationUnit );
317 return 0;
318 }
[81419b5]319 OPTPRINT( "box" )
[b87a5ed]320 GenPoly::box( translationUnit );
[81419b5]321
[2871210]322 // print tree right before code generation
[81419b5]323 if ( codegenp ) {
[1ab4ce2]324 dump( translationUnit );
[81419b5]325 return 0;
326 } // if
[b87a5ed]327
[1ab4ce2]328 CodeGen::generate( translationUnit, *output, ! noprotop );
[b87a5ed]329
330 if ( output != &std::cout ) {
331 delete output;
332 } // if
333 } catch ( SemanticError &e ) {
334 if ( errorp ) {
[f77f12e2]335 std::cerr << "---AST at error:---" << std::endl;
336 dump( translationUnit, std::cerr );
337 std::cerr << std::endl << "---End of AST, begin error message:---\n" << std::endl;
[b87a5ed]338 }
[81419b5]339 e.print( std::cerr );
[b87a5ed]340 if ( output != &std::cout ) {
341 delete output;
342 } // if
343 return 1;
344 } catch ( UnimplementedError &e ) {
345 std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl;
346 if ( output != &std::cout ) {
347 delete output;
348 } // if
349 return 1;
350 } catch ( CompilerError &e ) {
351 std::cerr << "Compiler Error: " << e.get_what() << std::endl;
352 std::cerr << "(please report bugs to " << std::endl;
353 if ( output != &std::cout ) {
354 delete output;
355 } // if
356 return 1;
357 } // try
358
[39786813]359 deleteAll( translationUnit );
[b87a5ed]360 return 0;
[d9a0e76]361} // main
[51b73452]362
[1ab4ce2]363static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
[81419b5]364 Parser::get_parser().set_linkage( linkage );
365 Parser::get_parser().parse( input );
366
367 fclose( input );
368 if ( shouldExit || Parser::get_parser().get_parseStatus() != 0 ) {
369 exit( Parser::get_parser().get_parseStatus() );
370 } // if
371}
372
[1ab4ce2]373static bool notPrelude( Declaration * decl ) {
374 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
375}
376
[f77f12e2]377static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
[1ab4ce2]378 std::list< Declaration * > decls;
379 if ( noprotop ) {
[7880579]380 filter( translationUnit.begin(), translationUnit.end(), std::back_inserter( decls ), notPrelude );
[1ab4ce2]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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