source: src/main.cc@ 711eee5

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 711eee5 was 711eee5, checked in by Rob Schluntz <rschlunt@…>, 10 years ago

generate global init function for each translation unit
  • Property mode set to 100644
File size: 9.1 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 : Wed May 04 16:54:52 2016
13// Update Count : 199
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/FixGlobalInit.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 );
59
60bool
61 astp = false,
62 bresolvep = false,
63 exprp = false,
64 expraltp = false,
65 grammarp = false,
66 libcfap = false,
67 nopreludep = false,
68 noprotop = false,
69 parsep = false,
70 resolvep = false, // used in AlternativeFinder
71 symtabp = false,
72 treep = false,
73 validp = false,
74 errorp = false,
75 codegenp = false;
76
77enum { Ast, Bresolver, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, };
78
79static struct option long_opts[] = {
80 { "ast", no_argument, 0, Ast },
81 { "before-resolver", no_argument, 0, Bresolver },
82 { "expr", no_argument, 0, Expr },
83 { "expralt", no_argument, 0, ExprAlt },
84 { "grammar", no_argument, 0, Grammar },
85 { "libcfa", no_argument, 0, LibCFA },
86 { "no-preamble", no_argument, 0, Nopreamble },
87 { "parse", no_argument, 0, Parse },
88 { "no-prototypes", no_argument, 0, Prototypes },
89 { "resolver", no_argument, 0, Resolver },
90 { "symbol", no_argument, 0, Symbol },
91 { "tree", no_argument, 0, Tree },
92 { "validate", no_argument, 0, Validate },
93 { 0, 0, 0, 0 }
94};
95
96int main( int argc, char *argv[] ) {
97 FILE *input;
98 std::ostream *output = &std::cout;
99 int long_index;
100 std::list< Declaration* > translationUnit;
101
102 opterr = 0; // prevent getopt from printing error messages
103
104 int c;
105 while ( (c = getopt_long( argc, argv, "abefglnpqrstvyzD:", 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 Expr:
116 case 'e': // dump AST after expression analysis
117 exprp = true;
118 break;
119 case ExprAlt:
120 case 'f': // print alternatives for expressions
121 expraltp = true;
122 break;
123 case Grammar:
124 case 'g': // bison debugging info (grammar rules)
125 grammarp = true;
126 break;
127 case LibCFA:
128 case 'l': // generate libcfa.c
129 libcfap = true;
130 break;
131 case Nopreamble:
132 case 'n': // do not read preamble
133 nopreludep = true;
134 break;
135 case Prototypes:
136 case 'p': // generate prototypes for preamble functions
137 noprotop = true;
138 break;
139 case Parse:
140 case 'q': // dump parse tree
141 parsep = true;
142 break;
143 case Resolver:
144 case 'r': // print resolver steps
145 resolvep = true;
146 break;
147 case Symbol:
148 case 's': // print symbol table events
149 symtabp = true;
150 break;
151 case Tree:
152 case 't': // build in tree
153 treep = true;
154 break;
155 case 'v': // dump AST after decl validation pass
156 validp = true;
157 break;
158 case 'y':
159 errorp = true;
160 break;
161 case 'z':
162 codegenp = true;
163 break;
164 case 'D': // ignore -Dxxx
165 break;
166 case '?':
167 cout << "Unknown option: '" << (char)optopt << "'" << endl;
168 exit(1);
169 default:
170 abort();
171 } // switch
172 } // while
173
174 try {
175 std::string fileName;
176
177 // choose to read the program from a file or stdin
178 if ( optind < argc ) {
179 input = fopen( argv[ optind ], "r" );
180 if ( ! input ) {
181 std::cout << "Error: can't open " << argv[ optind ] << std::endl;
182 exit( 1 );
183 } // if
184 optind += 1;
185
186 // assert( optind < argc );
187 fileName = argv[ optind-1 ]; // placeholder
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( "fixGlobalInit" );
261 InitTweak::fixGlobalInit( translationUnit, fileName );
262 OPTPRINT( "tweak" )
263 InitTweak::tweak( translationUnit );
264
265 if ( libcfap ) {
266 // generate the bodies of cfa library functions
267 LibCfa::makeLibCfa( translationUnit );
268 } // if
269
270 if ( bresolvep ) {
271 dump( translationUnit );
272 return 0;
273 } // if
274
275 OPTPRINT( "resolve" )
276 ResolvExpr::resolve( translationUnit );
277 if ( exprp ) {
278 dump( translationUnit );
279 }
280
281 OPTPRINT( "copyParams" );
282 GenPoly::copyParams( translationUnit );
283 OPTPRINT( "convertSpecializations" )
284 GenPoly::convertSpecializations( translationUnit );
285 OPTPRINT( "convertLvalue" )
286 GenPoly::convertLvalue( translationUnit );
287 OPTPRINT( "box" )
288 GenPoly::box( translationUnit );
289
290 // print tree right before code generation
291 if ( codegenp ) {
292 dump( translationUnit );
293 return 0;
294 } // if
295
296 CodeGen::generate( translationUnit, *output, ! noprotop );
297
298 if ( output != &std::cout ) {
299 delete output;
300 } // if
301 } catch ( SemanticError &e ) {
302 if ( errorp ) {
303 dump( translationUnit );
304 }
305 e.print( std::cerr );
306 if ( output != &std::cout ) {
307 delete output;
308 } // if
309 return 1;
310 } catch ( UnimplementedError &e ) {
311 std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl;
312 if ( output != &std::cout ) {
313 delete output;
314 } // if
315 return 1;
316 } catch ( CompilerError &e ) {
317 std::cerr << "Compiler Error: " << e.get_what() << std::endl;
318 std::cerr << "(please report bugs to " << std::endl;
319 if ( output != &std::cout ) {
320 delete output;
321 } // if
322 return 1;
323 } // try
324
325 return 0;
326} // main
327
328static void parse( FILE * input, LinkageSpec::Type linkage, bool shouldExit ) {
329 Parser::get_parser().set_linkage( linkage );
330 Parser::get_parser().parse( input );
331
332 fclose( input );
333 if ( shouldExit || Parser::get_parser().get_parseStatus() != 0 ) {
334 exit( Parser::get_parser().get_parseStatus() );
335 } // if
336}
337
338static bool notPrelude( Declaration * decl ) {
339 return ! LinkageSpec::isBuiltin( decl->get_linkage() );
340}
341
342static void dump( std::list< Declaration * > & translationUnit ) {
343 std::list< Declaration * > decls;
344 if ( noprotop ) {
345 filter( translationUnit.begin(), translationUnit.end(),
346 std::back_inserter( decls ), notPrelude );
347 } else {
348 decls = translationUnit;
349 }
350
351 printAll( decls, std::cout );
352 deleteAll( translationUnit );
353}
354
355
356// Local Variables: //
357// tab-width: 4 //
358// mode: c++ //
359// compile-command: "make install" //
360// End: //
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