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/***
* Bitwuzla: Satisfiability Modulo Theories (SMT) solver.
*
* Copyright (C) 2023 by the authors listed in the AUTHORS file at
* https://github.com/bitwuzla/bitwuzla/blob/main/AUTHORS
*
* This file is part of Bitwuzla under the MIT license. See COPYING for more
* information at https://github.com/bitwuzla/bitwuzla/blob/main/COPYING
*/
#include <iostream>
#include <sstream>
#include "parser/smt2/lexer.h"
#include "test/unit/test.h"
namespace bzla::test {
using namespace bzla::parser::smt2;
class TestSmt2Lexer : public ::testing::Test
{
protected:
inline static constexpr const char* s_out_prefix = "/tmp/bitwuzla_regress_";
void next_token(Lexer& lexer,
Token expected,
const std::string& expected_str = "")
{
Token token = lexer.next_token();
if (lexer.error())
{
std::cout << "error: " << lexer.error_msg() << std::endl;
}
ASSERT_EQ(token, expected);
if (!expected_str.empty())
{
ASSERT_EQ(lexer.token(), expected_str);
}
}
void open_file(const std::stringstream& input, std::ifstream& infile)
{
std::string infile_name = s_out_prefix + std::string("lexer.smt2");
std::ofstream ofile(infile_name);
ofile << input.str();
ofile.close();
std::ifstream instream;
infile.open(infile_name, std::ifstream::in);
}
};
TEST_F(TestSmt2Lexer, comments)
{
std::stringstream input;
input << " " << std::endl
<< "; foo" << std::endl
<< "; bar" << std::endl
<< " ; foo" << std::endl
<< " " << std::endl
<< std::endl
<< "foobar";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::SYMBOL, "foobar");
infile.close();
}
TEST_F(TestSmt2Lexer, command1)
{
std::stringstream input;
input << "(declare-fun a () (_ BitVec 1))";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "declare-fun");
next_token(lexer, Token::SYMBOL, "a");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "BitVec");
next_token(lexer, Token::DECIMAL_VALUE, "1");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
TEST_F(TestSmt2Lexer, command2)
{
std::stringstream input;
input << "(assert (bvsle a b))";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "assert");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "bvsle");
next_token(lexer, Token::SYMBOL, "a");
next_token(lexer, Token::SYMBOL, "b");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
TEST_F(TestSmt2Lexer, command3)
{
std::stringstream input;
input << "(assert (= e (fp #b0 #b011 #b0000)))";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "assert");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "=");
next_token(lexer, Token::SYMBOL, "e");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "fp");
next_token(lexer, Token::BINARY_VALUE, "#b0");
next_token(lexer, Token::BINARY_VALUE, "#b011");
next_token(lexer, Token::BINARY_VALUE, "#b0000");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
TEST_F(TestSmt2Lexer, command4)
{
std::stringstream input;
input << "(set-info :source |" << std::endl
<< "of 10 clock cycles." << std::endl
<< "Fifo inputs: 'enqueue', (active low)" << std::endl
<< "Bit-width: 32" << std::endl
<< std::endl
<< "(foo.bar@gmail.com)." << std::endl
<< "|)";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "set-info");
next_token(lexer, Token::ATTRIBUTE, ":source");
next_token(lexer,
Token::SYMBOL,
"|\nof 10 clock cycles.\nFifo inputs: 'enqueue', (active "
"low)\nBit-width: 32\n\n(foo.bar@gmail.com).\n|");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
TEST_F(TestSmt2Lexer, command5)
{
std::stringstream input;
input << "(get-value (((_ to_fp 5 11) RTP (/ 1.2 5)))";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "get-value");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "to_fp");
next_token(lexer, Token::DECIMAL_VALUE, "5");
next_token(lexer, Token::DECIMAL_VALUE, "11");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::SYMBOL, "RTP");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "/");
next_token(lexer, Token::REAL_VALUE, "1.2");
next_token(lexer, Token::DECIMAL_VALUE, "5");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
infile.close();
}
TEST_F(TestSmt2Lexer, input1)
{
std::stringstream input;
input << "(set-info :status unsat)" << std::endl
<< "(declare-const y (_ FloatingPoint 8 24))" << std::endl
<< "(assert" << std::endl
<< " (distinct" << std::endl
<< " ((_ fp.to_ubv 32) roundTowardZero y)" << std::endl
<< " ((_ fp.to_ubv 32) roundTowardZero (fp.add roundTowardPositive y "
"(_ +zero 8 24)))"
<< std::endl
<< " )" << std::endl
<< ")" << std::endl
<< "(check-sat)" << std::endl;
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "set-info");
next_token(lexer, Token::ATTRIBUTE, ":status");
next_token(lexer, Token::SYMBOL, "unsat");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "declare-const");
next_token(lexer, Token::SYMBOL, "y");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "FloatingPoint");
next_token(lexer, Token::DECIMAL_VALUE, "8");
next_token(lexer, Token::DECIMAL_VALUE, "24");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "assert");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "distinct");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "fp.to_ubv");
next_token(lexer, Token::DECIMAL_VALUE, "32");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::SYMBOL, "roundTowardZero");
next_token(lexer, Token::SYMBOL, "y");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "fp.to_ubv");
next_token(lexer, Token::DECIMAL_VALUE, "32");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::SYMBOL, "roundTowardZero");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "fp.add");
next_token(lexer, Token::SYMBOL, "roundTowardPositive");
next_token(lexer, Token::SYMBOL, "y");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "+zero");
next_token(lexer, Token::DECIMAL_VALUE, "8");
next_token(lexer, Token::DECIMAL_VALUE, "24");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "check-sat");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
TEST_F(TestSmt2Lexer, input2)
{
std::stringstream input;
input << "(declare-fun ~ () Float64)" << std::endl
<< "(assert (= x (fp.add c ~ (fp (_ bv0 1) (_ bv0 11) (_ bv0 52)))))"
<< "(declare-const |ꯍ| Bool)";
std::ifstream infile;
open_file(input, infile);
Lexer lexer;
lexer.init(&infile);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "declare-fun");
next_token(lexer, Token::SYMBOL, "~");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::SYMBOL, "Float64");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "assert");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "=");
next_token(lexer, Token::SYMBOL, "x");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "fp.add");
next_token(lexer, Token::SYMBOL, "c");
next_token(lexer, Token::SYMBOL, "~");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "fp");
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "bv0");
next_token(lexer, Token::DECIMAL_VALUE, "1");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "bv0");
next_token(lexer, Token::DECIMAL_VALUE, "11");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::UNDERSCORE);
next_token(lexer, Token::SYMBOL, "bv0");
next_token(lexer, Token::DECIMAL_VALUE, "52");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::RPAR);
next_token(lexer, Token::LPAR);
next_token(lexer, Token::SYMBOL, "declare-const");
next_token(lexer, Token::SYMBOL, "|ꯍ|");
next_token(lexer, Token::SYMBOL, "Bool");
next_token(lexer, Token::RPAR);
next_token(lexer, Token::ENDOFFILE);
infile.close();
}
} // namespace bzla::test
|
