source: src/driver/cfa.cc@ 83dccdd

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 83dccdd was 6e4b913, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago

allow 32-bit compilation of cfa-cpp, and 32-bit compilation of CFA programs (including CFA libraries)
  • Property mode set to 100644
File size: 12.2 KB
RevLine 
[b87a5ed]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//
[76c7f65e]7// cfa.cc --
[b87a5ed]8//
[51b73452]9// Author : Peter A. Buhr
10// Created On : Tue Aug 20 13:44:49 2002
11// Last Modified By : Peter A. Buhr
[6e4b913]12// Last Modified On : Thu Jul 7 08:56:01 2016
13// Update Count : 144
[b87a5ed]14//
[51b73452]15
16#include <iostream>
[b87a5ed]17#include <cstdio> // perror
18#include <cstdlib> // putenv, exit
19#include <unistd.h> // execvp
20#include <string> // STL version
[51b73452]21
[b87a5ed]22#include "config.h" // configure info
[51b73452]23
24using std::cerr;
25using std::endl;
26using std::string;
27
28
29//#define __DEBUG_H__
30
31
32bool prefix( string arg, string pre ) {
[b87a5ed]33 return arg.substr( 0, pre.size() ) == pre;
[51b73452]34} // prefix
35
36
37void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]38 // S & E index 1 passed the end so adjust with -1
[51b73452]39#ifdef __DEBUG_H__
[b87a5ed]40 cerr << "shuffle:" << S << " " << E << " " << N << endl;
[51b73452]41#endif // __DEBUG_H__
[b87a5ed]42 for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[51b73452]43#ifdef __DEBUG_H__
[b87a5ed]44 cerr << "\t" << j << " " << j-N << endl;
[51b73452]45#endif // __DEBUG_H__
[b87a5ed]46 args[j] = args[j-N];
47 } // for
[51b73452]48} // shuffle
49
50
51int main( int argc, char *argv[] ) {
[b87a5ed]52 string Version( VERSION ); // current version number from CONFIG
53 string Major( "0" ), Minor( "0" ), Patch( "0" ); // default version numbers
[1db21619]54
[b87a5ed]55 int posn1 = Version.find( "." ); // find the divider between major and minor version numbers
56 if ( posn1 == -1 ) { // not there ?
57 Major = Version;
[51b73452]58 } else {
[b87a5ed]59 Major = Version.substr( 0, posn1 );
60 int posn2 = Version.find( ".", posn1 + 1 ); // find the divider between minor and patch numbers
61 if ( posn2 == -1 ) { // not there ?
62 Minor = Version.substr( posn1 );
63 } else {
64 Minor = Version.substr( posn1 + 1, posn2 - posn1 - 1 );
65 Patch = Version.substr( posn2 + 1 );
66 } // if
[51b73452]67 } // if
68
[00cc023]69 string installincdir( CFA_INCDIR ); // fixed location of include files
70 string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands
[51b73452]71
[b87a5ed]72 string heading; // banner printed at start of cfa compilation
73 string arg; // current command-line argument during command-line parsing
74 string Bprefix; // path where gcc looks for compiler command steps
75 string langstd; // language standard
[51b73452]76
[e24f13a]77 string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]78 string compiler_name; // name of C compiler
[51b73452]79
[b87a5ed]80 bool nonoptarg = false; // indicates non-option argument specified
81 bool link = true; // linking as well as compiling
82 bool verbose = false; // -v flag
83 bool quiet = false; // -quiet flag
84 bool debug = true; // -debug flag
85 bool help = false; // -help flag
86 bool CFA_flag = false; // -CFA flag
87 bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]88 bool std_flag = false; // -std= flag
[6e4b913]89 bool debugging __attribute(( unused )) = false; // -g flag
[51b73452]90
[b87a5ed]91 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
92 int sargs = 1; // starting location for arguments in args list
93 int nargs = sargs; // number of arguments in args list; 0 => command name
[51b73452]94
[b87a5ed]95 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
96 int nlibs = 0;
[51b73452]97
98#ifdef __DEBUG_H__
[b87a5ed]99 cerr << "CFA:" << endl;
[51b73452]100#endif // __DEBUG_H__
101
[b87a5ed]102 // process command-line arguments
[51b73452]103
[b87a5ed]104 for ( int i = 1; i < argc; i += 1 ) {
[51b73452]105#ifdef __DEBUG_H__
[b87a5ed]106 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
[51b73452]107#endif // __DEBUG_H__
[b87a5ed]108 arg = argv[i]; // convert to string value
[51b73452]109#ifdef __DEBUG_H__
[b87a5ed]110 cerr << "arg:\"" << arg << "\"" << endl;
[51b73452]111#endif // __DEBUG_H__
[b87a5ed]112 if ( prefix( arg, "-" ) ) {
113 // pass through arguments
114
115 if ( arg == "-Xlinker" || arg == "-o" ) {
116 args[nargs] = argv[i]; // pass the argument along
117 nargs += 1;
118 i += 1;
119 if ( i == argc ) continue; // next argument available ?
120 args[nargs] = argv[i]; // pass the argument along
121 nargs += 1;
122 } else if ( arg == "-XCFA" ) { // CFA pass through
123 i += 1;
124 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
125 nargs += 1;
126
127 // CFA specific arguments
128
129 } else if ( arg == "-CFA" ) {
130 CFA_flag = true; // strip the -CFA flag
131 link = false;
132 args[nargs] = "-E"; // replace the argument with -E
133 nargs += 1;
134 } else if ( arg == "-debug" ) {
135 debug = true; // strip the debug flag
136 } else if ( arg == "-nodebug" ) {
137 debug = false; // strip the nodebug flag
138 } else if ( arg == "-quiet" ) {
139 quiet = true; // strip the quiet flag
140 } else if ( arg == "-noquiet" ) {
141 quiet = false; // strip the noquiet flag
142 } else if ( arg == "-help" ) {
143 help = true; // strip the help flag
144 } else if ( arg == "-nohelp" ) {
145 help = false; // strip the nohelp flag
146 } else if ( arg == "-compiler" ) {
147 // use the user specified compiler
148 i += 1;
149 if ( i == argc ) continue; // next argument available ?
150 compiler_path = argv[i];
151 if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
152 cerr << argv[0] << " error, cannot set environment variable." << endl;
153 exit( EXIT_FAILURE );
154 } // if
155
[de62360d]156 // C specific arguments
[b87a5ed]157
158 } else if ( arg == "-v" ) {
159 verbose = true; // verbosity required
160 args[nargs] = argv[i]; // pass the argument along
161 nargs += 1;
162 } else if ( arg == "-g" ) {
163 debugging = true; // symbolic debugging required
164 args[nargs] = argv[i]; // pass the argument along
165 nargs += 1;
[de62360d]166 } else if ( prefix( arg, "-std=" ) ) {
[53ba273]167 std_flag = true; // -std=XX provided
[de62360d]168 args[nargs] = argv[i]; // pass the argument along
169 nargs += 1;
[b87a5ed]170 } else if ( prefix( arg, "-B" ) ) {
171 Bprefix = arg.substr(2); // strip the -B flag
172 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
173 nargs += 1;
174 } else if ( prefix( arg, "-b" ) ) {
175 if ( arg.length() == 2 ) { // separate argument ?
176 i += 1;
177 if ( i == argc ) continue; // next argument available ?
178 arg += argv[i]; // concatenate argument
179 } // if
180 // later versions of gcc require the -b option to appear at the start of the command line
181 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
182 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
183 if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
184 cerr << argv[0] << " error, cannot set environment variable." << endl;
185 exit( EXIT_FAILURE );
186 } // if
187 sargs += 1;
188 nargs += 1;
189 } else if ( prefix( arg, "-V" ) ) {
190 if ( arg.length() == 2 ) { // separate argument ?
191 i += 1;
192 if ( i == argc ) continue; // next argument available ?
193 arg += argv[i]; // concatenate argument
194 } // if
195 // later versions of gcc require the -V option to appear at the start of the command line
196 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
197 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
198 if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
199 cerr << argv[0] << " error, cannot set environment variable." << endl;
200 exit( EXIT_FAILURE );
201 } // if
202 sargs += 1;
203 nargs += 1;
204 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
205 args[nargs] = argv[i]; // pass the argument along
206 nargs += 1;
207 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
208 cpp_flag = true; // cpp only
209 } // if
210 link = false; // no linkage required
211 } else if ( arg[1] == 'l' ) {
212 // if the user specifies a library, load it after user code
213 libs[nlibs] = argv[i];
214 nlibs += 1;
215 } else {
216 // concatenate any other arguments
217 args[nargs] = argv[i];
218 nargs += 1;
219 } // if
220 } else {
221 // concatenate other arguments
222 args[nargs] = argv[i];
223 nargs += 1;
224 nonoptarg = true;
225 } // if
226 } // for
[51b73452]227
[b87a5ed]228#ifdef __DEBUG_H__
229 cerr << "args:";
230 for ( int i = 1; i < nargs; i += 1 ) {
231 cerr << " " << args[i];
232 } // for
233 cerr << endl;
234#endif // __DEBUG_H__
[51b73452]235
[b87a5ed]236 if ( cpp_flag && CFA_flag ) {
237 cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
238 exit( EXIT_FAILURE );
239 } // if
[51b73452]240
[b87a5ed]241 string d;
242 if ( debug ) {
243 d = "-d";
244 } // if
[51b73452]245
[6e4b913]246 // add the CFA include-library paths, which allow direct access to header files without directory qualification
247
[b87a5ed]248 args[nargs] = "-I" CFA_INCDIR;
249 nargs += 1;
[ed0e67a]250 args[nargs] = "-I" CFA_INCDIR "/stdhdr";
[7fe4cc3e]251 nargs += 1;
[76c7f65e]252 args[nargs] = "-I" CFA_INCDIR "/containers";
253 nargs += 1;
254
[b87a5ed]255 if ( link ) {
256 // include the cfa library in case it's needed
257 args[nargs] = "-L" CFA_LIBDIR;
[51b73452]258 nargs += 1;
[b87a5ed]259 args[nargs] = "-lcfa";
[51b73452]260 nargs += 1;
261 } // if
262
[b87a5ed]263 // add the correct set of flags based on the type of compile this is
[8c17ab0]264
[1db21619]265 args[nargs] = ( *new string( string("-D__CFA__=") + Major ) ).c_str();
[51b73452]266 nargs += 1;
[b87a5ed]267 args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b73452]268 nargs += 1;
[1db21619]269 args[nargs] = ( *new string( string("-D__CFA_PATCHLEVEL__=") + Patch ) ).c_str();
270 nargs += 1;
[4c82a3c]271 args[nargs] = "-D__CFA__";
272 nargs += 1;
273 args[nargs] = "-D__CFORALL__";
[02e5ab6]274 nargs += 1;
[51b73452]275
[b87a5ed]276 if ( cpp_flag ) {
277 args[nargs] = "-D__CPP__";
278 nargs += 1;
279 } // if
[51b73452]280
[b87a5ed]281 if ( CFA_flag ) {
[4c82a3c]282 args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]283 nargs += 1;
284 } // if
[51b73452]285
[b87a5ed]286 if ( debug ) {
287 heading += " (debug)";
288 args[nargs] = "-D__CFA_DEBUG__";
289 nargs += 1;
290 } else {
291 heading += " (no debug)";
292 } // if
[51b73452]293
[b87a5ed]294 if ( Bprefix.length() == 0 ) {
295 Bprefix = installlibdir;
296 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
297 nargs += 1;
298 } // if
[51b73452]299
[b87a5ed]300 // execute the compilation command
[51b73452]301
[b87a5ed]302 args[0] = compiler_path.c_str(); // set compiler command for exec
303 // find actual name of the compiler independent of the path to it
304 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
305 if ( p == -1 ) {
306 compiler_name = compiler_path;
307 } else {
308 compiler_name = *new string( compiler_path.substr( p + 1 ) );
309 } // if
[51b73452]310
[b87a5ed]311 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
312 args[nargs] = "-no-integrated-cpp";
313 nargs += 1;
[76c7f65e]314 args[nargs] = "-Wno-deprecated";
[b87a5ed]315 nargs += 1;
[de62360d]316 if ( ! std_flag ) { // default c99, if none specified
[53ba273]317 args[nargs] = "-std=gnu99";
[de62360d]318 nargs += 1;
319 } // if
[76c7f65e]320 args[nargs] = "-fgnu89-inline";
[6e991d6]321 nargs += 1;
[b87a5ed]322 args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
323 nargs += 1;
[d3b7937]324 args[nargs] = "-lm";
325 nargs += 1;
[b87a5ed]326 } else {
[e24f13a]327 cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]328 exit( EXIT_FAILURE );
329 } // if
[51b73452]330
[b87a5ed]331 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
332 args[nargs] = libs[i];
333 nargs += 1;
334 } // for
[51b73452]335
[b87a5ed]336 args[nargs] = NULL; // terminate with NULL
[51b73452]337
338#ifdef __DEBUG_H__
[b87a5ed]339 cerr << "nargs: " << nargs << endl;
340 cerr << "args:" << endl;
341 for ( int i = 0; args[i] != NULL; i += 1 ) {
342 cerr << " \"" << args[i] << "\"" << endl;
343 } // for
[51b73452]344#endif // __DEBUG_H__
345
[b87a5ed]346 if ( ! quiet ) {
347 cerr << "CFA " << "Version " << Version << heading << endl;
348
349 if ( help ) {
350 cerr <<
351 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
352 "-help\t\t\t: print this help message" << endl <<
353 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
354 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
355 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
356 "...\t\t\t: any other " << compiler_name << " flags" << endl;
357 } // if
[51b73452]358 } // if
359
[b87a5ed]360 if ( verbose ) {
361 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b73452]362
[b87a5ed]363 for ( int i = 0; args[i] != NULL; i += 1 ) {
364 cerr << args[i] << " ";
365 } // for
366 cerr << endl;
367 } // if
[51b73452]368
[b87a5ed]369 if ( ! nonoptarg ) {
370 cerr << argv[0] << " error, no input files" << endl;
371 exit( EXIT_FAILURE );
372 } // if
[51b73452]373
[b87a5ed]374 // execute the command and return the result
[51b73452]375
[b87a5ed]376 execvp( args[0], (char *const *)args ); // should not return
377 perror( "CFA Translator error: cfa level, execvp" );
378 exit( EXIT_FAILURE );
[51b73452]379} // main
380
381// Local Variables: //
[b87a5ed]382// tab-width: 4 //
383// mode: c++ //
[51b73452]384// compile-command: "make install" //
385// End: //
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