source: src/main.cc@ 8b52686

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 8b52686 was dd51906, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

automake change gnu back to foreign (do not know why it changed), add := and & (reference) to lexer/parser
  • Property mode set to 100644
File size: 10.4 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 : Sun Jun 5 15:57:30 2016
13// Update Count : 205
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 "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"
42#include "InitTweak/GenInit.h"
43#include "InitTweak/FixInit.h"
44#include "InitTweak/FixGlobalInit.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: can't 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 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: can't open builtins.cf" << std::endl;
222 exit( EXIT_FAILURE );
223 } // if
224
225 parse( builtins, LinkageSpec::Compiler );
226
227 if ( ! libcfap ) {
228 // read the prelude in, if not generating the cfa library
229 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
230 if ( prelude == NULL ) {
231 std::cerr << "Error: can't open prelude.cf" << std::endl;
232 exit( EXIT_FAILURE );
233 } // if
234
235 parse( prelude, LinkageSpec::Intrinsic );
236 } // if
237 } // if
238
239 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
240
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 ) {
251 dump( translationUnit );
252 return 0;
253 } // if
254
255 // add the assignment statement after the initialization of a type parameter
256 OPTPRINT( "validate" )
257 SymTab::validate( translationUnit, symtabp );
258 if ( symtabp ) {
259 return 0;
260 } // if
261
262 if ( expraltp ) {
263 ResolvExpr::AlternativePrinter printer( std::cout );
264 acceptAll( translationUnit, printer );
265 return 0;
266 } // if
267
268 if ( validp ) {
269 dump( translationUnit );
270 return 0;
271 } // if
272
273 OPTPRINT( "mutate" )
274 ControlStruct::mutate( translationUnit );
275 OPTPRINT( "fixNames" )
276 CodeGen::fixNames( translationUnit );
277 OPTPRINT( "fixGlobalInit" );
278 InitTweak::fixGlobalInit( translationUnit, filename, libcfap || treep );
279 OPTPRINT( "tweakInit" )
280 InitTweak::genInit( translationUnit );
281
282 if ( libcfap ) {
283 // generate the bodies of cfa library functions
284 LibCfa::makeLibCfa( translationUnit );
285 } // if
286
287 if ( bresolvep ) {
288 dump( translationUnit );
289 return 0;
290 } // if
291
292 OPTPRINT( "resolve" )
293 ResolvExpr::resolve( translationUnit );
294 if ( exprp ) {
295 dump( translationUnit );
296 return 0;
297 }
298
299 OPTPRINT( "fixInit" )
300 // fix ObjectDecl - replaces ConstructorInit nodes
301 InitTweak::fix( translationUnit );
302 if ( ctorinitp ) {
303 dump ( translationUnit );
304 return 0;
305 }
306
307 OPTPRINT( "copyParams" );
308 GenPoly::copyParams( translationUnit );
309 OPTPRINT( "convertSpecializations" )
310 GenPoly::convertSpecializations( translationUnit );
311 OPTPRINT( "convertLvalue" )
312 GenPoly::convertLvalue( translationUnit );
313
314 if ( bboxp ) {
315 dump( translationUnit );
316 return 0;
317 }
318 OPTPRINT( "box" )
319 GenPoly::box( translationUnit );
320
321 // print tree right before code generation
322 if ( codegenp ) {
323 dump( translationUnit );
324 return 0;
325 } // if
326
327 CodeGen::generate( translationUnit, *output, ! noprotop );
328
329 if ( output != &std::cout ) {
330 delete output;
331 } // if
332 } catch ( SemanticError &e ) {
333 if ( errorp ) {
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;
337 }
338 e.print( std::cerr );
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
358 deleteAll( translationUnit );
359 return 0;
360} // main
361
362static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
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
372static bool notPrelude( Declaration * decl ) {
373 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
374}
375
376static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
377 std::list< Declaration * > decls;
378 if ( noprotop ) {
379 filter( translationUnit.begin(), translationUnit.end(),
380 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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