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add get_lstring per #2286

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-05-22 10:16:15 +04:00
parent 112e13eeea
commit b2845d888e
11 changed files with 64 additions and 10 deletions
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19
src/api/api_seq.cpp
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@ -150,6 +150,25 @@ extern "C" {
Z3_CATCH_RETURN("");
}
Z3_string Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned* length) {
Z3_TRY;
LOG_Z3_get_lstring(c, s, length);
RESET_ERROR_CODE();
zstring str;
if (!length) {
SET_ERROR_CODE(Z3_INVALID_ARG, "length argument is null");
return "";
}
if (!mk_c(c)->sutil().str.is_string(to_expr(s), str)) {
SET_ERROR_CODE(Z3_INVALID_ARG, "expression is not a string literal");
return "";
}
std::string s = str.as_string();
*length = static_cast<unsigned>(s.size());
return mk_c(c)->mk_external_string(s.c_str(), s.size());
Z3_CATCH_RETURN("");
}
#define MK_SORTED(NAME, FN ) \
Z3_ast Z3_API NAME(Z3_context c, Z3_sort s) { \
Z3_TRY; \