source: src/main.cc@ b1848a0

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 b1848a0 was 35f9114, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

change compilation flag-name from -no-include-std to -no-include-stdhdr
  • Property mode set to 100644
File size: 10.7 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 : Sat Aug 6 16:17:41 2016
13// Update Count : 210
14//
15
16#include <iostream>
17#include <fstream>
18#include <cstdlib>
19#include <cstdio>
20#include <getopt.h>
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 "GenPoly/InstantiateGeneric.h"
31#include "CodeGen/Generate.h"
32#include "CodeGen/FixNames.h"
33#include "ControlStruct/Mutate.h"
34#include "Tuples/Mutate.h"
35#include "Tuples/FunctionChecker.h"
36#include "SymTab/Mangler.h"
37#include "SymTab/Indexer.h"
38#include "SymTab/Validate.h"
39#include "ResolvExpr/AlternativePrinter.h"
40#include "ResolvExpr/Resolver.h"
41#include "MakeLibCfa.h"
42#include "InitTweak/Mutate.h"
43#include "InitTweak/GenInit.h"
44#include "InitTweak/FixInit.h"
45//#include "Explain/GenProlog.h"
46//#include "Try/Visit.h"
47
48#include "Common/SemanticError.h"
49#include "Common/UnimplementedError.h"
50
51#include "../config.h"
52
53using namespace std;
54
55#define OPTPRINT(x) \
56 if ( errorp ) std::cerr << x << std::endl;
57
58static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false );
59static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout );
60
61bool
62 astp = false,
63 bresolvep = false,
64 bboxp = false,
65 ctorinitp = false,
66 exprp = false,
67 expraltp = false,
68 grammarp = false,
69 libcfap = false,
70 nopreludep = false,
71 noprotop = false,
72 parsep = false,
73 resolvep = false, // used in AlternativeFinder
74 symtabp = false,
75 treep = false,
76 validp = false,
77 errorp = false,
78 codegenp = false;
79
80enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
81
82static struct option long_opts[] = {
83 { "ast", no_argument, 0, Ast },
84 { "before-box", no_argument, 0, Bbox },
85 { "before-resolver", no_argument, 0, Bresolver },
86 { "ctorinitfix", no_argument, 0, CtorInitFix },
87 { "expr", no_argument, 0, Expr },
88 { "expralt", no_argument, 0, ExprAlt },
89 { "grammar", no_argument, 0, Grammar },
90 { "libcfa", no_argument, 0, LibCFA },
91 { "no-preamble", no_argument, 0, Nopreamble },
92 { "parse", no_argument, 0, Parse },
93 { "no-prototypes", no_argument, 0, Prototypes },
94 { "resolver", no_argument, 0, Resolver },
95 { "symbol", no_argument, 0, Symbol },
96 { "tree", no_argument, 0, Tree },
97 { "validate", no_argument, 0, Validate },
98 { 0, 0, 0, 0 }
99};
100
101int main( int argc, char *argv[] ) {
102 FILE *input;
103 std::ostream *output = &std::cout;
104 int long_index;
105 std::list< Declaration * > translationUnit;
106 const char *filename = NULL;
107
108 opterr = 0; // prevent getopt from printing error messages
109
110 int c;
111 while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) {
112 switch ( c ) {
113 case Ast:
114 case 'a': // dump AST
115 astp = true;
116 break;
117 case Bresolver:
118 case 'b': // print before resolver steps
119 bresolvep = true;
120 break;
121 case 'B': // print before resolver steps
122 bboxp = true;
123 break;
124 case CtorInitFix:
125 case 'c':
126 ctorinitp = true;
127 break;
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
146 nopreludep = true;
147 break;
148 case Prototypes:
149 case 'p': // generate prototypes for preamble functions
150 noprotop = true;
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;
164 case Tree:
165 case 't': // build in tree
166 treep = true;
167 break;
168 case 'v': // dump AST after decl validation pass
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;
179 case 'F': // source file-name without suffix
180 filename = optarg;
181 break;
182 case '?':
183 cout << "Unknown option: '" << (char)optopt << "'" << endl;
184 exit( EXIT_FAILURE );
185 default:
186 abort();
187 } // switch
188 } // while
189
190 try {
191 // choose to read the program from a file or stdin
192 if ( optind < argc ) {
193 input = fopen( argv[ optind ], "r" );
194 if ( ! input ) {
195 std::cout << "Error: cannot open " << argv[ optind ] << std::endl;
196 exit( EXIT_FAILURE );
197 } // if
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 ];
200 // prelude filename comes in differently
201 if ( libcfap ) filename = "prelude.cf";
202 optind += 1;
203 } else {
204 input = stdin;
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";
208 } // if
209
210 if ( optind < argc ) {
211 output = new ofstream( argv[ optind ] );
212 } // if
213
214 Parser::get_parser().set_debug( grammarp );
215
216 // read in the builtins, extras, and the prelude
217 if ( ! nopreludep ) { // include gcc builtins
218 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
219 FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
220 if ( builtins == NULL ) {
221 std::cerr << "Error: cannot open builtins.cf" << std::endl;
222 exit( EXIT_FAILURE );
223 } // if
224 parse( builtins, LinkageSpec::Compiler );
225
226 // read the extra prelude in, if not generating the cfa library
227 FILE * extras = fopen( libcfap | treep ? "extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
228 if ( extras == NULL ) {
229 std::cerr << "Error: cannot open extras.cf" << std::endl;
230 exit( EXIT_FAILURE );
231 } // if
232 parse( extras, LinkageSpec::C );
233
234 if ( ! libcfap ) {
235 // read the prelude in, if not generating the cfa library
236 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
237 if ( prelude == NULL ) {
238 std::cerr << "Error: cannot open prelude.cf" << std::endl;
239 exit( EXIT_FAILURE );
240 } // if
241
242 parse( prelude, LinkageSpec::Intrinsic );
243 } // if
244 } // if
245
246 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
247
248 if ( parsep ) {
249 Parser::get_parser().get_parseTree()->printList( std::cout );
250 Parser::get_parser().freeTree();
251 return 0;
252 } // if
253
254 buildList( Parser::get_parser().get_parseTree(), translationUnit );
255
256 Parser::get_parser().freeTree();
257 if ( astp ) {
258 dump( translationUnit );
259 return 0;
260 } // if
261
262 // add the assignment statement after the initialization of a type parameter
263 OPTPRINT( "validate" )
264 SymTab::validate( translationUnit, symtabp );
265 if ( symtabp ) {
266 return 0;
267 } // if
268
269 if ( expraltp ) {
270 ResolvExpr::AlternativePrinter printer( std::cout );
271 acceptAll( translationUnit, printer );
272 return 0;
273 } // if
274
275 if ( validp ) {
276 dump( translationUnit );
277 return 0;
278 } // if
279
280 OPTPRINT( "mutate" )
281 ControlStruct::mutate( translationUnit );
282 OPTPRINT( "fixNames" )
283 CodeGen::fixNames( translationUnit );
284 OPTPRINT( "tweakInit" )
285 InitTweak::genInit( translationUnit );
286
287 if ( libcfap ) {
288 // generate the bodies of cfa library functions
289 LibCfa::makeLibCfa( translationUnit );
290 } // if
291
292 if ( bresolvep ) {
293 dump( translationUnit );
294 return 0;
295 } // if
296
297 OPTPRINT( "resolve" )
298 ResolvExpr::resolve( translationUnit );
299 if ( exprp ) {
300 dump( translationUnit );
301 return 0;
302 }
303
304 // fix ObjectDecl - replaces ConstructorInit nodes
305 OPTPRINT( "fixInit" )
306 InitTweak::fix( translationUnit, filename, libcfap || treep );
307 if ( ctorinitp ) {
308 dump ( translationUnit );
309 return 0;
310 }
311
312 OPTPRINT("instantiateGenerics")
313 GenPoly::instantiateGeneric( translationUnit );
314 OPTPRINT( "copyParams" );
315 GenPoly::copyParams( translationUnit );
316 OPTPRINT( "convertSpecializations" )
317 GenPoly::convertSpecializations( translationUnit );
318 OPTPRINT( "convertLvalue" )
319 GenPoly::convertLvalue( translationUnit );
320
321 if ( bboxp ) {
322 dump( translationUnit );
323 return 0;
324 }
325 OPTPRINT( "box" )
326 GenPoly::box( translationUnit );
327
328 // print tree right before code generation
329 if ( codegenp ) {
330 dump( translationUnit );
331 return 0;
332 } // if
333
334 CodeGen::generate( translationUnit, *output, ! noprotop );
335
336 if ( output != &std::cout ) {
337 delete output;
338 } // if
339 } catch ( SemanticError &e ) {
340 if ( errorp ) {
341 std::cerr << "---AST at error:---" << std::endl;
342 dump( translationUnit, std::cerr );
343 std::cerr << std::endl << "---End of AST, begin error message:---\n" << std::endl;
344 }
345 e.print( std::cerr );
346 if ( output != &std::cout ) {
347 delete output;
348 } // if
349 return 1;
350 } catch ( UnimplementedError &e ) {
351 std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl;
352 if ( output != &std::cout ) {
353 delete output;
354 } // if
355 return 1;
356 } catch ( CompilerError &e ) {
357 std::cerr << "Compiler Error: " << e.get_what() << std::endl;
358 std::cerr << "(please report bugs to " << std::endl;
359 if ( output != &std::cout ) {
360 delete output;
361 } // if
362 return 1;
363 } // try
364
365 deleteAll( translationUnit );
366 return 0;
367} // main
368
369static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
370 Parser::get_parser().set_linkage( linkage );
371 Parser::get_parser().parse( input );
372
373 fclose( input );
374 if ( shouldExit || Parser::get_parser().get_parseStatus() != 0 ) {
375 exit( Parser::get_parser().get_parseStatus() );
376 } // if
377}
378
379static bool notPrelude( Declaration * decl ) {
380 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
381}
382
383static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
384 std::list< Declaration * > decls;
385 if ( noprotop ) {
386 filter( translationUnit.begin(), translationUnit.end(),
387 std::back_inserter( decls ), notPrelude );
388 } else {
389 decls = translationUnit;
390 }
391
392 printAll( decls, out );
393 deleteAll( translationUnit );
394}
395
396
397// Local Variables: //
398// tab-width: 4 //
399// mode: c++ //
400// compile-command: "make install" //
401// End: //
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