source: driver/cfa.cc@ 0b8cd722

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 string with_gc
Last change on this file since 0b8cd722 was 8c17ab0, checked in by Peter A. Buhr <pabuhr@…>, 11 years ago

add quoted identifiers, add compilation include directory, reformatted some files
  • Property mode set to 100644
File size: 11.2 KB
RevLine 
[51b73452]1// -*- Mode: C++ -*-
2//
3// CForall Version 1.0, Copyright (C) Peter A. Buhr 2002
4//
5// cfa.cc --
6//
7// Author : Peter A. Buhr
8// Created On : Tue Aug 20 13:44:49 2002
9// Last Modified By : Peter A. Buhr
[8c17ab0]10// Last Modified On : Tue Nov 11 09:19:15 2014
11// Update Count : 106
[51b73452]12//
13
14#include <iostream>
15#include <cstdio> // perror
16#include <cstdlib> // putenv, exit
17#include <unistd.h> // execvp
18#include <string> // STL version
19
20#include "config.h" // configure info
21
22using std::cerr;
23using std::endl;
24using std::string;
25
26
27//#define __DEBUG_H__
28
29
30bool prefix( string arg, string pre ) {
31 return arg.substr( 0, pre.size() ) == pre;
32} // prefix
33
34
35void shuffle( const char *args[], int S, int E, int N ) {
36 // S & E index 1 passed the end so adjust with -1
37#ifdef __DEBUG_H__
38 cerr << "shuffle:" << S << " " << E << " " << N << endl;
39#endif // __DEBUG_H__
40 for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
41#ifdef __DEBUG_H__
42 cerr << "\t" << j << " " << j-N << endl;
43#endif // __DEBUG_H__
44 args[j] = args[j-N];
45 } // for
46} // shuffle
47
48
49int main( int argc, char *argv[] ) {
50 string Version( VERSION ); // current version number from CONFIG
51 string Major( "0" ), Minor( "0" ), Patch( "0" ); // default version numbers
52 int posn1 = Version.find( "." ); // find the divider between major and minor version numbers
53 if ( posn1 == -1 ) { // not there ?
54 Major = Version;
55 } else {
56 Major = Version.substr( 0, posn1 );
57 int posn2 = Version.find( ".", posn1 + 1 ); // find the divider between minor and patch numbers
58 if ( posn2 == -1 ) { // not there ?
59 Minor = Version.substr( posn1 );
60 } else {
61 Minor = Version.substr( posn1 + 1, posn2 - posn1 - 1 );
62 Patch = Version.substr( posn2 + 1 );
63 } // if
64 } // if
65
[8c17ab0]66 string installincdir( CFA_INCDIR ); // fixed location of cc1 and cfa-cpp commands
67 string installlibdir( CFA_LIBDIR ); // fixed location of include files
[51b73452]68
69 string heading; // banner printed at start of cfa compilation
70 string arg; // current command-line argument during command-line parsing
71 string Bprefix; // path where gcc looks for compiler command steps
72 string langstd; // language standard
73
74 string compiler_path( GCC_PATH ); // path/name of C compiler
75 string compiler_name; // name of C compiler
76
77 bool nonoptarg = false; // indicates non-option argument specified
78 bool link = true; // linking as well as compiling
79 bool verbose = false; // -v flag
80 bool quiet = false; // -quiet flag
81 bool debug = true; // -debug flag
82 bool help = false; // -help flag
83 bool CFA_flag = false; // -CFA flag
84 bool cpp_flag = false; // -E or -M flag, preprocessor only
85 bool debugging = false; // -g flag
86
87 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
88 int sargs = 1; // starting location for arguments in args list
89 int nargs = sargs; // number of arguments in args list; 0 => command name
90
91 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
92 int nlibs = 0;
93
94#ifdef __DEBUG_H__
95 cerr << "CFA:" << endl;
96#endif // __DEBUG_H__
97
98 // process command-line arguments
99
100 for ( int i = 1; i < argc; i += 1 ) {
101#ifdef __DEBUG_H__
102 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
103#endif // __DEBUG_H__
104 arg = argv[i]; // convert to string value
105#ifdef __DEBUG_H__
106 cerr << "arg:\"" << arg << "\"" << endl;
107#endif // __DEBUG_H__
108 if ( prefix( arg, "-" ) ) {
109 // pass through arguments
110
111 if ( arg == "-Xlinker" || arg == "-o" ) {
112 args[nargs] = argv[i]; // pass the argument along
113 nargs += 1;
114 i += 1;
115 if ( i == argc ) continue; // next argument available ?
116 args[nargs] = argv[i]; // pass the argument along
117 nargs += 1;
118 } else if ( arg == "-XCFA" ) { // CFA pass through
119 i += 1;
120 args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
121 nargs += 1;
122
123 // CFA specific arguments
124
125 } else if ( arg == "-CFA" ) {
126 CFA_flag = true; // strip the -CFA flag
127 link = false;
128 args[nargs] = "-E"; // replace the argument with -E
129 nargs += 1;
130 } else if ( arg == "-debug" ) {
131 debug = true; // strip the debug flag
132 } else if ( arg == "-nodebug" ) {
133 debug = false; // strip the nodebug flag
134 } else if ( arg == "-quiet" ) {
135 quiet = true; // strip the quiet flag
136 } else if ( arg == "-noquiet" ) {
137 quiet = false; // strip the noquiet flag
138 } else if ( arg == "-help" ) {
139 help = true; // strip the help flag
140 } else if ( arg == "-nohelp" ) {
141 help = false; // strip the nohelp flag
[134b86a]142 } else if ( arg == "-compiler" ) {
143 // use the user specified compiler
144 i += 1;
145 if ( i == argc ) continue; // next argument available ?
146 compiler_path = argv[i];
147 if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
148 cerr << argv[0] << " error, cannot set environment variable." << endl;
149 exit( EXIT_FAILURE );
150 } // if
[51b73452]151
152 // C++ specific arguments
153
154 } else if ( arg == "-v" ) {
155 verbose = true; // verbosity required
156 args[nargs] = argv[i]; // pass the argument along
157 nargs += 1;
158 } else if ( arg == "-g" ) {
159 debugging = true; // symbolic debugging required
160 args[nargs] = argv[i]; // pass the argument along
161 nargs += 1;
162 } else if ( prefix( arg, "-B" ) ) {
163 Bprefix = arg.substr(2); // strip the -B flag
164 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
165 nargs += 1;
166 } else if ( prefix( arg, "-b" ) ) {
167 if ( arg.length() == 2 ) { // separate argument ?
168 i += 1;
169 if ( i == argc ) continue; // next argument available ?
170 arg += argv[i]; // concatenate argument
171 } // if
172 // later versions of gcc require the -b option to appear at the start of the command line
173 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
174 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
175 if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
176 cerr << argv[0] << " error, cannot set environment variable." << endl;
177 exit( EXIT_FAILURE );
178 } // if
179 sargs += 1;
180 nargs += 1;
181 } else if ( prefix( arg, "-V" ) ) {
182 if ( arg.length() == 2 ) { // separate argument ?
183 i += 1;
184 if ( i == argc ) continue; // next argument available ?
185 arg += argv[i]; // concatenate argument
186 } // if
187 // later versions of gcc require the -V option to appear at the start of the command line
188 shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
189 args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
190 if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
191 cerr << argv[0] << " error, cannot set environment variable." << endl;
192 exit( EXIT_FAILURE );
193 } // if
194 sargs += 1;
195 nargs += 1;
196 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
197 args[nargs] = argv[i]; // pass the argument along
198 nargs += 1;
199 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
200 cpp_flag = true; // cpp only
201 } // if
202 link = false; // no linkage required
203 } else if ( arg[1] == 'l' ) {
204 // if the user specifies a library, load it after user code
205 libs[nlibs] = argv[i];
206 nlibs += 1;
207 } else {
208 // concatenate any other arguments
209 args[nargs] = argv[i];
210 nargs += 1;
211 } // if
212 } else {
213 // concatenate other arguments
214 args[nargs] = argv[i];
215 nargs += 1;
216 nonoptarg = true;
217 } // if
218 } // for
219
220#ifdef __DEBUG_H__
221 cerr << "args:";
222 for ( int i = 1; i < nargs; i += 1 ) {
223 cerr << " " << args[i];
224 } // for
225 cerr << endl;
226#endif // __DEBUG_H__
227
228 if ( cpp_flag && CFA_flag ) {
229 cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
230 exit( EXIT_FAILURE );
231 } // if
232
233 string d;
234 if ( debug ) {
235 d = "-d";
236 } // if
237
[8c17ab0]238 args[nargs] = "-I" CFA_INCDIR;
239 nargs += 1;
240
[51b73452]241 if ( link ) {
242 // include the cfa library in case it's needed
243 args[nargs] = "-L" CFA_LIBDIR;
244 nargs += 1;
245 args[nargs] = "-lcfa";
246 nargs += 1;
247 } // if
248
249 // add the correct set of flags based on the type of compile this is
250
251 args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
252 nargs += 1;
253 args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
254 nargs += 1;
255
256 if ( cpp_flag ) {
257 args[nargs] = "-D__CPP__";
258 nargs += 1;
259 } // if
260
261 if ( CFA_flag ) {
262 args[nargs] = "-D__CFA__";
263 nargs += 1;
264 } // if
265
266 if ( debug ) {
267 heading += " (debug)";
268 args[nargs] = "-D__CFA_DEBUG__";
269 nargs += 1;
270 } else {
271 heading += " (no debug)";
272 } // if
273
274 if ( Bprefix.length() == 0 ) {
275 Bprefix = installlibdir;
276 args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
277 nargs += 1;
278 } // if
279
280 // execute the compilation command
281
282 args[0] = compiler_path.c_str(); // set compiler command for exec
283 // find actual name of the compiler independent of the path to it
284 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
285 if ( p == -1 ) {
286 compiler_name = compiler_path;
287 } else {
288 compiler_name = *new string( compiler_path.substr( p + 1 ) );
289 } // if
290
291 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
292 args[nargs] = "-no-integrated-cpp";
293 nargs += 1;
294 args[nargs] = "-Wno-deprecated";
295 nargs += 1;
296 args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str();
297 nargs += 1;
298 } else {
299 cerr << argv[0] << " error, compiler " << compiler_name << " not supported." << endl;
300 exit( EXIT_FAILURE );
301 } // if
302
303 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
304 args[nargs] = libs[i];
305 nargs += 1;
306 } // for
307
308 args[nargs] = NULL; // terminate with NULL
309
310#ifdef __DEBUG_H__
311 cerr << "nargs: " << nargs << endl;
312 cerr << "args:" << endl;
313 for ( int i = 0; args[i] != NULL; i += 1 ) {
314 cerr << " \"" << args[i] << "\"" << endl;
315 } // for
316#endif // __DEBUG_H__
317
318 if ( ! quiet ) {
319 cerr << "CFA " << "Version " << Version << heading << endl;
320
321 if ( help ) {
322 cerr <<
323 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
324 "-help\t\t\t: print this help message" << endl <<
325 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
326 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
327 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
328 "...\t\t\t: any other " << compiler_name << " flags" << endl;
329 } // if
330 } // if
331
332 if ( verbose ) {
333 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
334
335 for ( int i = 0; args[i] != NULL; i += 1 ) {
336 cerr << args[i] << " ";
337 } // for
338 cerr << endl;
339 } // if
340
341 if ( ! nonoptarg ) {
342 cerr << argv[0] << " error, no input files" << endl;
343 exit( EXIT_FAILURE );
344 } // if
345
346 // execute the command and return the result
347
348 execvp( args[0], (char *const *)args ); // should not return
349 perror( "CFA Translator error: cfa level, execvp" );
350 exit( EXIT_FAILURE );
351} // main
352
353// Local Variables: //
354// compile-command: "make install" //
355// End: //
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