1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/********************* -*- C++ -*- */
/** main.cpp
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** Main driver for CVC4 executable.
**/
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <cstring>
#include <new>
#include "config.h"
#include "main.h"
#include "usage.h"
#include "parser/parser.h"
#include "parser/smt/smt_parser.h"
#include "parser/cvc/cvc_parser.h"
#include "expr/expr_manager.h"
#include "smt/smt_engine.h"
#include "util/command.h"
#include "util/output.h"
#include "util/options.h"
using namespace std;
using namespace CVC4;
using namespace CVC4::parser;
using namespace CVC4::main;
int main(int argc, char *argv[]) {
struct Options options;
try {
// Initialize the signal handlers
cvc4_init();
// Parse the options
int firstArgIndex = parseOptions(argc, argv, &options);
// If in competition mode, set output stream option to flush immediately
if(options.smtcomp_mode) {
cout << unitbuf;
}
// We only accept one input file
if(argc > firstArgIndex + 1) {
throw new Exception("Too many input files specified.");
}
// Create the expression manager
ExprManager exprMgr;
// Create the SmtEngine
SmtEngine smt(&exprMgr, &options);
// If no file supplied we read from standard input
bool inputFromStdin = firstArgIndex >= argc;
// Auto-detect input language by filename extension
if(!inputFromStdin && options.lang == Options::LANG_AUTO) {
if(!strcmp(".smt", argv[firstArgIndex] + strlen(argv[firstArgIndex]) - 4)) {
options.lang = Options::LANG_SMTLIB;
}
else if(!strcmp(".cvc", argv[firstArgIndex] + strlen(argv[firstArgIndex]) - 4) ||
!strcmp(".cvc4", argv[firstArgIndex] + strlen(argv[firstArgIndex]) - 5)) {
options.lang = Options::LANG_CVC4;
}
}
// Determine which messages to show based on smtcomp_mode and verbosity
if(options.smtcomp_mode) {
Debug.setStream(CVC4::null_os);
Trace.setStream(CVC4::null_os);
Notice.setStream(CVC4::null_os);
Chat.setStream(CVC4::null_os);
Message.setStream(CVC4::null_os);
Warning.setStream(CVC4::null_os);
} else {
if(options.verbosity < 2) {
Chat.setStream(CVC4::null_os);
}
if(options.verbosity < 1) {
Notice.setStream(CVC4::null_os);
}
if(options.verbosity < 0) {
Message.setStream(CVC4::null_os);
Warning.setStream(CVC4::null_os);
}
}
// Set up the input stream, either cin or a file
const char* fname;
istream* in;
ifstream* file;
if(inputFromStdin) {
fname = "stdin";
in = &cin;
} else {
fname = argv[firstArgIndex];
file = new ifstream(fname);
in = file;
}
// Create the parser
Parser* parser;
switch(options.lang) {
case Options::LANG_SMTLIB:
parser = new SmtParser(&exprMgr, *in, fname);
break;
case Options::LANG_CVC4:
parser = new CvcParser(&exprMgr, *in, fname);
break;
case Options::LANG_AUTO:
cerr << "Auto language detection not supported yet." << endl;
abort();
default:
cerr << "Unknown language" << endl;
abort();
}
// Parse and execute commands until we are done
while(!parser->done()) {
// Parse the next command
Command *cmd = parser->parseNextCommand();
if(cmd) {
if(options.verbosity > 0)
cout << "Invoking: " << *cmd << endl;
cmd->invoke(&smt);
delete cmd;
}
}
// Remove the parser
delete parser;
// Delete handle to input file
delete file;
} catch(OptionException& e) {
if(options.smtcomp_mode) {
cout << "unknown" << endl;
}
cerr << "CVC4 Error:" << endl << e << endl;
printf(usage, options.binary_name.c_str());
abort();
} catch(CVC4::Exception& e) {
if(options.smtcomp_mode) {
cout << "unknown" << endl;
}
cerr << "CVC4 Error:" << endl << e << endl;
abort();
} catch(bad_alloc) {
if(options.smtcomp_mode) {
cout << "unknown" << endl;
}
cerr << "CVC4 ran out of memory." << endl;
abort();
} catch(...) {
if(options.smtcomp_mode) {
cout << "unknown" << endl;
}
cerr << "CVC4 threw an exception of unknown type." << endl;
abort();
}
return 0;
}
|
