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
Line 
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//
7// main.cc --
8//
9// Author : Richard C. Bilson
10// Created On : Fri May 15 23:12:02 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon Aug 15 17:58:57 2016
13// Update Count : 220
14//
15
16#include <iostream>
17#include <fstream>
18#include <getopt.h>
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"
26#include "GenPoly/InstantiateGeneric.h"
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"
39#include "InitTweak/GenInit.h"
40#include "InitTweak/FixInit.h"
41
42#include "Common/SemanticError.h"
43#include "Common/UnimplementedError.h"
44
45#include "../config.h"
46
47using namespace std;
48
49#define OPTPRINT(x) \
50 if ( errorp ) std::cerr << x << std::endl;
51
52static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false );
53static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout );
54
55bool
56 astp = false,
57 bresolvep = false,
58 bboxp = false,
59 ctorinitp = false,
60 exprp = false,
61 expraltp = false,
62 grammarp = false,
63 libcfap = false,
64 nopreludep = false,
65 noprotop = false,
66 parsep = false,
67 resolvep = false, // used in AlternativeFinder
68 symtabp = false,
69 treep = false,
70 validp = false,
71 errorp = false,
72 codegenp = false;
73
74enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
75
76static struct option long_opts[] = {
77 { "ast", no_argument, 0, Ast },
78 { "before-box", no_argument, 0, Bbox },
79 { "before-resolver", no_argument, 0, Bresolver },
80 { "ctorinitfix", no_argument, 0, CtorInitFix },
81 { "expr", no_argument, 0, Expr },
82 { "expralt", no_argument, 0, ExprAlt },
83 { "grammar", no_argument, 0, Grammar },
84 { "libcfa", no_argument, 0, LibCFA },
85 { "no-preamble", no_argument, 0, Nopreamble },
86 { "parse", no_argument, 0, Parse },
87 { "no-prototypes", no_argument, 0, Prototypes },
88 { "resolver", no_argument, 0, Resolver },
89 { "symbol", no_argument, 0, Symbol },
90 { "tree", no_argument, 0, Tree },
91 { "validate", no_argument, 0, Validate },
92 { 0, 0, 0, 0 }
93};
94
95int main( int argc, char *argv[] ) {
96 FILE *input;
97 std::ostream *output = &std::cout;
98 int long_index;
99 std::list< Declaration * > translationUnit;
100 const char *filename = NULL;
101
102 opterr = 0; // prevent getopt from printing error messages
103
104 int c;
105 while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) {
106 switch ( c ) {
107 case Ast:
108 case 'a': // dump AST
109 astp = true;
110 break;
111 case Bresolver:
112 case 'b': // print before resolver steps
113 bresolvep = true;
114 break;
115 case 'B': // print before resolver steps
116 bboxp = true;
117 break;
118 case CtorInitFix:
119 case 'c':
120 ctorinitp = true;
121 break;
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
140 nopreludep = true;
141 break;
142 case Prototypes:
143 case 'p': // generate prototypes for preamble functions
144 noprotop = true;
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;
158 case Tree:
159 case 't': // build in tree
160 treep = true;
161 break;
162 case 'v': // dump AST after decl validation pass
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;
173 case 'F': // source file-name without suffix
174 filename = optarg;
175 break;
176 case '?':
177 cout << "Unknown option: '" << (char)optopt << "'" << endl;
178 exit( EXIT_FAILURE );
179 default:
180 abort();
181 } // switch
182 } // while
183
184 try {
185 // choose to read the program from a file or stdin
186 if ( optind < argc ) {
187 input = fopen( argv[ optind ], "r" );
188 if ( ! input ) {
189 std::cout << "Error: cannot open " << argv[ optind ] << std::endl;
190 exit( EXIT_FAILURE );
191 } // if
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 ];
194 // prelude filename comes in differently
195 if ( libcfap ) filename = "prelude.cf";
196 optind += 1;
197 } else {
198 input = stdin;
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";
202 } // if
203
204 if ( optind < argc ) {
205 output = new ofstream( argv[ optind ] );
206 } // if
207
208 Parser::get_parser().set_debug( grammarp );
209
210 // read in the builtins, extras, and the prelude
211 if ( ! nopreludep ) { // include gcc builtins
212 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
213 FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
214 if ( builtins == NULL ) {
215 std::cerr << "Error: cannot open builtins.cf" << std::endl;
216 exit( EXIT_FAILURE );
217 } // if
218 parse( builtins, LinkageSpec::Compiler );
219
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 ) {
223 std::cerr << "Error: cannot open extras.cf" << std::endl;
224 exit( EXIT_FAILURE );
225 } // if
226 parse( extras, LinkageSpec::C );
227
228 if ( ! libcfap ) {
229 // read the prelude in, if not generating the cfa library
230 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
231 if ( prelude == NULL ) {
232 std::cerr << "Error: cannot open prelude.cf" << std::endl;
233 exit( EXIT_FAILURE );
234 } // if
235
236 parse( prelude, LinkageSpec::Intrinsic );
237 } // if
238 } // if
239
240 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
241
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 ) {
252 dump( translationUnit );
253 return 0;
254 } // if
255
256 // add the assignment statement after the initialization of a type parameter
257 OPTPRINT( "validate" )
258 SymTab::validate( translationUnit, symtabp );
259 if ( symtabp ) {
260 return 0;
261 } // if
262
263 if ( expraltp ) {
264 ResolvExpr::AlternativePrinter printer( std::cout );
265 acceptAll( translationUnit, printer );
266 return 0;
267 } // if
268
269 if ( validp ) {
270 dump( translationUnit );
271 return 0;
272 } // if
273
274 OPTPRINT( "mutate" )
275 ControlStruct::mutate( translationUnit );
276 OPTPRINT( "fixNames" )
277 CodeGen::fixNames( translationUnit );
278 OPTPRINT( "tweakInit" )
279 InitTweak::genInit( translationUnit );
280
281 if ( libcfap ) {
282 // generate the bodies of cfa library functions
283 LibCfa::makeLibCfa( translationUnit );
284 } // if
285
286 if ( bresolvep ) {
287 dump( translationUnit );
288 return 0;
289 } // if
290
291 OPTPRINT( "resolve" )
292 ResolvExpr::resolve( translationUnit );
293 if ( exprp ) {
294 dump( translationUnit );
295 return 0;
296 }
297
298 // fix ObjectDecl - replaces ConstructorInit nodes
299 OPTPRINT( "fixInit" )
300 InitTweak::fix( translationUnit, filename, libcfap || treep );
301 if ( ctorinitp ) {
302 dump ( translationUnit );
303 return 0;
304 }
305
306 OPTPRINT("instantiateGenerics")
307 GenPoly::instantiateGeneric( translationUnit );
308 OPTPRINT( "copyParams" );
309 GenPoly::copyParams( translationUnit );
310 OPTPRINT( "convertSpecializations" )
311 GenPoly::convertSpecializations( translationUnit );
312 OPTPRINT( "convertLvalue" )
313 GenPoly::convertLvalue( translationUnit );
314
315 if ( bboxp ) {
316 dump( translationUnit );
317 return 0;
318 }
319 OPTPRINT( "box" )
320 GenPoly::box( translationUnit );
321
322 // print tree right before code generation
323 if ( codegenp ) {
324 dump( translationUnit );
325 return 0;
326 } // if
327
328 CodeGen::generate( translationUnit, *output, ! noprotop );
329
330 if ( output != &std::cout ) {
331 delete output;
332 } // if
333 } catch ( SemanticError &e ) {
334 if ( errorp ) {
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;
338 }
339 e.print( std::cerr );
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
359 deleteAll( translationUnit );
360 return 0;
361} // main
362
363static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
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
373static bool notPrelude( Declaration * decl ) {
374 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
375}
376
377static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
378 std::list< Declaration * > decls;
379 if ( noprotop ) {
380 filter( translationUnit.begin(), translationUnit.end(), std::back_inserter( decls ), notPrelude );
381 } else {
382 decls = translationUnit;
383 }
384
385 printAll( decls, out );
386 deleteAll( translationUnit );
387}
388
389
390// Local Variables: //
391// tab-width: 4 //
392// mode: c++ //
393// compile-command: "make install" //
394// End: //
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