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fixes to dt_solver and related

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This commit is contained in:
Nikolaj Bjorner 2021-02-27 11:03:20 -08:00
parent f7b1469462
commit 830f314a3f
20 changed files with 250 additions and 187 deletions
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26
src/sat/dimacs.cpp
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@ -179,7 +179,33 @@ namespace dimacs {
return m_buffer.c_ptr();
}
char const* drat_parser::parse_quoted_symbol() {
SASSERT(*in == '|');
m_buffer.reset();
m_buffer.push_back(*in);
bool escape = false;
++in;
while (true) {
auto c = *in;
if (c == EOF)
throw lex_error();
else if (c == '\n')
;
else if (c == '|' && !escape) {
++in;
m_buffer.push_back(c);
m_buffer.push_back(0);
return m_buffer.c_ptr();
}
escape = (c == '\\');
m_buffer.push_back(c);
++in;
}
}
char const* drat_parser::parse_sexpr() {
if (*in == '|')
return parse_quoted_symbol();
m_buffer.reset();
unsigned lp = 0;
while (!is_whitespace(in) || lp > 0) {