blob: a97e5fcc05fe6134ef73fcc94f5e806a6d0591ae (
plain) (
blame)
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
|
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libsolidity/formal/SMTSolverCommunicator.h>
#include <libdevcore/Common.h>
#include <boost/filesystem/operations.hpp>
#include <fstream>
#include <stdio.h>
using namespace std;
using namespace dev;
using namespace dev::solidity::smt;
#ifdef EMSCRIPTEN
string SMTSolverCommunicator::communicate(string const& _input)
{
auto result = m_readFileCallback("SMTLIB2Solver>> " + _input);
if (result.success)
return result.contentsOrErrorMessage;
else
return "";
}
#else
#ifndef _WIN32
inline FILE* _popen(char const* command, char const* type)
{
return popen(command, type);
}
inline int _pclose(FILE* file)
{
return pclose(file);
}
#endif
string SMTSolverCommunicator::communicate(string const& _input)
{
namespace fs = boost::filesystem;
auto tempPath = fs::unique_path(fs::temp_directory_path() / "%%%%-%%%%-%%%%.smt2");
ScopeGuard s1([&]() { fs::remove(tempPath); });
ofstream(tempPath.string()) << _input << "(exit)" << endl;
// TODO Escaping might not be 100% perfect.
FILE* solverOutput = _popen(("z3 -smt2 \"" + tempPath.string() + "\"").c_str(), "r");
ScopeGuard s2([&]() { _pclose(solverOutput); });
string result;
array<char, 128> buffer;
while (!feof(solverOutput))
if (fgets(buffer.data(), 127, solverOutput) != nullptr)
result += buffer.data();
return result;
}
#endif
|
