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add eval feature #1553

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-03-23 16:26:20 -07:00
parent 705439cb85
commit 966a8f73d3
3 changed files with 41 additions and 0 deletions
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27
src/api/api_parsers.cpp
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@ -117,4 +117,31 @@ extern "C" {
RETURN_Z3(r);
Z3_CATCH_RETURN(nullptr);
}
Z3_string Z3_API Z3_eval_smtlib2_string(Z3_context c, Z3_string str) {
Z3_TRY;
LOG_Z3_eval_smtlib2_string(c, str);
if (!mk_c(c)->cmd()) {
mk_c(c)->cmd() = alloc(cmd_context, false, &(mk_c(c)->m()));
}
scoped_ptr<cmd_context>& ctx = mk_c(c)->cmd();
std::string s(str);
std::istringstream is(s);
std::stringstream ous;
ctx->set_regular_stream(ous);
try {
if (!parse_smt2_commands(*ctx.get(), is)) {
mk_c(c)->m_parser_error_buffer = ous.str();
SET_ERROR_CODE(Z3_PARSER_ERROR);
RETURN_Z3(nullptr);
}
}
catch (z3_exception& e) {
mk_c(c)->m_parser_error_buffer = e.msg();
SET_ERROR_CODE(Z3_PARSER_ERROR);
RETURN_Z3(nullptr);
}
RETURN_Z3(mk_c(c)->mk_external_string(ous.str()));
Z3_CATCH_RETURN(nullptr);
}
};