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updated C++ API for escaped and unescaped strings #5615

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-10-21 14:52:59 -04:00
parent 05e7ed9637
commit f05ac8a429
5 changed files with 18 additions and 14 deletions
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3
src/api/api_seq.cpp
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@ -187,10 +187,9 @@ extern "C" {
svector<char> buff;
for (unsigned i = 0; i < str.length(); ++i) {
unsigned ch = str[i];
if (ch <= 32 || ch >= 127) {
if (ch <= 32 || ch >= 127 || (ch == '\\' && i + 1 < str.length() && str[i+1] == 'u')) {
buff.reset();
buffer.push_back('\\');
// buffer.push_back('\\'); // possibly replace by native non-escaped version?
buffer.push_back('u');
buffer.push_back('{');
while (ch > 0) {

15
src/api/c++/z3++.h
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@ -1100,23 +1100,24 @@ namespace z3 {
bool is_string_value() const { return Z3_is_string(ctx(), m_ast); }
/**
\brief for a string value expression return an escaped or unescaped string value.
\brief for a string value expression return an escaped string value.
\pre expression is for a string value.
*/
std::string get_escaped_string() const {
std::string get_string() const {
assert(is_string_value());
char const* s = Z3_get_string(ctx(), m_ast);
check_error();
return std::string(s);
}
std::string get_string() const {
std::vector<unsigned> get_wstring() const {
assert(is_string_value());
unsigned n;
char const* s = Z3_get_lstring(ctx(), m_ast, &n);
check_error();
return std::string(s, n);
unsigned n = Z3_get_string_length(ctx(), m_ast);
std::vector<unsigned> buffer;
buffer.resize(n);
Z3_get_string_contents(ctx(), m_ast, n, buffer.data());
return buffer;
}
operator Z3_app() const { assert(is_app()); return reinterpret_cast<Z3_app>(m_ast); }