source: src/main.cc@ b617e4b

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 b617e4b was f77f12e2, checked in by Rob Schluntz <rschlunt@…>, 9 years ago

tweak output in case of error with -y flag
  • Property mode set to 100644
File size: 9.4 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 : Rob Schluntz
12// Last Modified On : Mon Apr 11 17:49:38 2016
13// Update Count : 200
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/RemoveInit.h"
43#include "InitTweak/FixInit.h"
44//#include "Explain/GenProlog.h"
45//#include "Try/Visit.h"
46
47#include "Common/SemanticError.h"
48#include "Common/UnimplementedError.h"
49
50#include "../config.h"
51
52using namespace std;
53
54#define OPTPRINT(x) \
55 if ( errorp ) std::cerr << x << std::endl;
56
57static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false );
58static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout );
59
60bool
61 astp = false,
62 bresolvep = false,
63 ctorinitp = false,
64 exprp = false,
65 expraltp = false,
66 grammarp = false,
67 libcfap = false,
68 nopreludep = false,
69 noprotop = false,
70 parsep = false,
71 resolvep = false, // used in AlternativeFinder
72 symtabp = false,
73 treep = false,
74 validp = false,
75 errorp = false,
76 codegenp = false;
77
78enum { Ast, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
79
80static struct option long_opts[] = {
81 { "ast", no_argument, 0, Ast },
82 { "before-resolver", no_argument, 0, Bresolver },
83 { "ctorinitfix", no_argument, 0, CtorInitFix },
84 { "expr", no_argument, 0, Expr },
85 { "expralt", no_argument, 0, ExprAlt },
86 { "grammar", no_argument, 0, Grammar },
87 { "libcfa", no_argument, 0, LibCFA },
88 { "no-preamble", no_argument, 0, Nopreamble },
89 { "parse", no_argument, 0, Parse },
90 { "no-prototypes", no_argument, 0, Prototypes },
91 { "resolver", no_argument, 0, Resolver },
92 { "symbol", no_argument, 0, Symbol },
93 { "tree", no_argument, 0, Tree },
94 { "validate", no_argument, 0, Validate },
95 { 0, 0, 0, 0 }
96};
97
98int main( int argc, char *argv[] ) {
99 FILE *input;
100 std::ostream *output = &std::cout;
101 int long_index;
102 std::list< Declaration* > translationUnit;
103
104 opterr = 0; // prevent getopt from printing error messages
105
106 int c;
107 while ( (c = getopt_long( argc, argv, "abcefFglnpqrstvyzD:", long_opts, &long_index )) != -1 ) {
108 switch ( c ) {
109 case Ast:
110 case 'a': // dump AST
111 astp = true;
112 break;
113 case Bresolver:
114 case 'b': // print before resolver steps
115 bresolvep = true;
116 break;
117 case CtorInitFix:
118 case 'c':
119 ctorinitp = true;
120 break;
121 case Expr:
122 case 'e': // dump AST after expression analysis
123 exprp = true;
124 break;
125 case ExprAlt:
126 case 'f': // print alternatives for expressions
127 expraltp = true;
128 break;
129 case Grammar:
130 case 'g': // bison debugging info (grammar rules)
131 grammarp = true;
132 break;
133 case LibCFA:
134 case 'l': // generate libcfa.c
135 libcfap = true;
136 break;
137 case Nopreamble:
138 case 'n': // do not read preamble
139 nopreludep = true;
140 break;
141 case Prototypes:
142 case 'p': // generate prototypes for preamble functions
143 noprotop = true;
144 break;
145 case Parse:
146 case 'q': // dump parse tree
147 parsep = true;
148 break;
149 case Resolver:
150 case 'r': // print resolver steps
151 resolvep = true;
152 break;
153 case Symbol:
154 case 's': // print symbol table events
155 symtabp = true;
156 break;
157 case Tree:
158 case 't': // build in tree
159 treep = true;
160 break;
161 case 'v': // dump AST after decl validation pass
162 validp = true;
163 break;
164 case 'y':
165 errorp = true;
166 break;
167 case 'z':
168 codegenp = true;
169 break;
170 case 'D': // ignore -Dxxx
171 break;
172 case '?':
173 cout << "Unknown option: '" << (char)optopt << "'" << endl;
174 exit(1);
175 default:
176 abort();
177 } // switch
178 } // while
179
180 try {
181 // choose to read the program from a file or stdin
182 if ( optind < argc ) {
183 input = fopen( argv[ optind ], "r" );
184 if ( ! input ) {
185 std::cout << "Error: can't open " << argv[optind] << std::endl;
186 exit( 1 );
187 } // if
188 optind += 1;
189 } else {
190 input = stdin;
191 } // if
192
193 if ( optind < argc ) {
194 output = new ofstream( argv[ optind ] );
195 } // if
196
197 Parser::get_parser().set_debug( grammarp );
198
199 // read in the builtins and the prelude
200 if ( ! nopreludep ) { // include gcc builtins
201 // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
202 FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
203 if ( builtins == NULL ) {
204 std::cerr << "Error: can't open builtins.cf" << std::endl;
205 exit( 1 );
206 } // if
207
208 parse( builtins, LinkageSpec::Compiler );
209
210 if ( ! libcfap ) {
211 // read the prelude in, if not generating the cfa library
212 FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
213 if ( prelude == NULL ) {
214 std::cerr << "Error: can't open prelude.cf" << std::endl;
215 exit( 1 );
216 } // if
217
218 parse( prelude, LinkageSpec::Intrinsic );
219 } // if
220 } // if
221
222 parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp );
223
224 if ( parsep ) {
225 Parser::get_parser().get_parseTree()->printList( std::cout );
226 Parser::get_parser().freeTree();
227 return 0;
228 } // if
229
230 buildList( Parser::get_parser().get_parseTree(), translationUnit );
231
232 Parser::get_parser().freeTree();
233 if ( astp ) {
234 dump( translationUnit );
235 return 0;
236 } // if
237
238 // add the assignment statement after the initialization of a type parameter
239 OPTPRINT( "validate" )
240 SymTab::validate( translationUnit, symtabp );
241 if ( symtabp ) {
242 return 0;
243 } // if
244
245 if ( expraltp ) {
246 ResolvExpr::AlternativePrinter printer( std::cout );
247 acceptAll( translationUnit, printer );
248 return 0;
249 } // if
250
251 if ( validp ) {
252 dump( translationUnit );
253 return 0;
254 } // if
255
256 OPTPRINT( "mutate" )
257 ControlStruct::mutate( translationUnit );
258 OPTPRINT( "fixNames" )
259 CodeGen::fixNames( translationUnit );
260 OPTPRINT( "tweakInit" )
261 InitTweak::tweak( translationUnit );
262
263 if ( libcfap ) {
264 // generate the bodies of cfa library functions
265 LibCfa::makeLibCfa( translationUnit );
266 } // if
267
268 if ( bresolvep ) {
269 dump( translationUnit );
270 return 0;
271 } // if
272
273 OPTPRINT( "resolve" )
274 ResolvExpr::resolve( translationUnit );
275 if ( exprp ) {
276 dump( translationUnit );
277 return 0;
278 }
279
280 OPTPRINT( "fixInit" )
281 // fix ObjectDecl - replaces ConstructorInit nodes
282 InitTweak::fix( translationUnit );
283 if ( ctorinitp ) {
284 dump ( translationUnit );
285 return 0;
286 }
287
288 OPTPRINT( "copyParams" );
289 GenPoly::copyParams( translationUnit );
290 OPTPRINT( "convertSpecializations" )
291 GenPoly::convertSpecializations( translationUnit );
292 OPTPRINT( "convertLvalue" )
293 GenPoly::convertLvalue( translationUnit );
294 OPTPRINT( "box" )
295 GenPoly::box( translationUnit );
296
297 // print tree right before code generation
298 if ( codegenp ) {
299 dump( translationUnit );
300 return 0;
301 } // if
302
303 CodeGen::generate( translationUnit, *output, ! noprotop );
304
305 if ( output != &std::cout ) {
306 delete output;
307 } // if
308 } catch ( SemanticError &e ) {
309 if ( errorp ) {
310 std::cerr << "---AST at error:---" << std::endl;
311 dump( translationUnit, std::cerr );
312 std::cerr << std::endl << "---End of AST, begin error message:---\n" << std::endl;
313 }
314 e.print( std::cerr );
315 if ( output != &std::cout ) {
316 delete output;
317 } // if
318 return 1;
319 } catch ( UnimplementedError &e ) {
320 std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl;
321 if ( output != &std::cout ) {
322 delete output;
323 } // if
324 return 1;
325 } catch ( CompilerError &e ) {
326 std::cerr << "Compiler Error: " << e.get_what() << std::endl;
327 std::cerr << "(please report bugs to " << std::endl;
328 if ( output != &std::cout ) {
329 delete output;
330 } // if
331 return 1;
332 } // try
333
334 deleteAll( translationUnit );
335 return 0;
336} // main
337
338static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
339 Parser::get_parser().set_linkage( linkage );
340 Parser::get_parser().parse( input );
341
342 fclose( input );
343 if ( shouldExit || Parser::get_parser().get_parseStatus() != 0 ) {
344 exit( Parser::get_parser().get_parseStatus() );
345 } // if
346}
347
348static bool notPrelude( Declaration * decl ) {
349 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
350}
351
352static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) {
353 std::list< Declaration * > decls;
354 if ( noprotop ) {
355 filter( translationUnit.begin(), translationUnit.end(),
356 std::back_inserter( decls ), notPrelude );
357 } else {
358 decls = translationUnit;
359 }
360
361 printAll( decls, out );
362 deleteAll( translationUnit );
363}
364
365
366// Local Variables: //
367// tab-width: 4 //
368// mode: c++ //
369// compile-command: "make install" //
370// End: //
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