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remove a bunch of string copies in the API

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thanks to C++20
This commit is contained in:
Nuno Lopes 2022-10-26 18:22:55 +01:00
parent a4ece21461
commit 1720addc4e
5 changed files with 8 additions and 14 deletions
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3
src/api/api_datalog.cpp
View file

@ -395,8 +395,7 @@ extern "C" {
Z3_string s) {
Z3_TRY;
LOG_Z3_fixedpoint_from_string(c, d, s);
std::string str(s);
std::istringstream is(str);
std::istringstream is(s);
RETURN_Z3(Z3_fixedpoint_from_stream(c, d, is));
Z3_CATCH_RETURN(nullptr);
}

3
src/api/api_opt.cpp
View file

@ -383,8 +383,7 @@ extern "C" {
Z3_string s) {
Z3_TRY;
//LOG_Z3_optimize_from_string(c, d, s);
std::string str(s);
std::istringstream is(str);
std::istringstream is(s);
Z3_optimize_from_stream(c, d, is, nullptr);
Z3_CATCH;
}

4
src/api/api_params.cpp
View file

@ -116,7 +116,7 @@ extern "C" {
RESET_ERROR_CODE();
std::ostringstream buffer;
to_params(p)->m_params.display(buffer);
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
Z3_CATCH_RETURN("");
}
@ -208,7 +208,7 @@ extern "C" {
buffer << to_param_descrs_ptr(p)->get_param_name(i);
}
buffer << ")";
return mk_c(c)->mk_external_string(buffer.str());
return mk_c(c)->mk_external_string(std::move(buffer).str());
Z3_CATCH_RETURN("");
}

9
src/api/api_parsers.cpp
View file

@ -157,8 +157,7 @@ extern "C" {
Z3_ast_vector Z3_API Z3_parser_context_from_string(Z3_context c, Z3_parser_context pc, Z3_string str) {
Z3_TRY;
LOG_Z3_parser_context_from_string(c, pc, str);
std::string s(str);
std::istringstream is(s);
std::istringstream is(str);
auto& ctx = to_parser_context(pc)->ctx;
Z3_ast_vector r = Z3_parser_context_parse_stream(c, ctx, false, is);
RETURN_Z3(r);
@ -202,8 +201,7 @@ extern "C" {
Z3_func_decl const decls[]) {
Z3_TRY;
LOG_Z3_parse_smtlib2_string(c, str, num_sorts, sort_names, sorts, num_decls, decl_names, decls);
std::string s(str);
std::istringstream is(s);
std::istringstream is(str);
Z3_ast_vector r = parse_smtlib2_stream(false, c, is, num_sorts, sort_names, sorts, num_decls, decl_names, decls);
RETURN_Z3(r);
Z3_CATCH_RETURN(nullptr);
@ -243,8 +241,7 @@ extern "C" {
ctx->set_solver_factory(mk_smt_strategic_solver_factory());
}
scoped_ptr<cmd_context>& ctx = mk_c(c)->cmd();
std::string s(str);
std::istringstream is(s);
std::istringstream is(str);
ctx->set_regular_stream(ous);
ctx->set_diagnostic_stream(ous);
cmd_context::scoped_redirect _redirect(*ctx);

3
src/api/api_solver.cpp
View file

@ -318,8 +318,7 @@ extern "C" {
void Z3_API Z3_solver_from_string(Z3_context c, Z3_solver s, Z3_string c_str) {
Z3_TRY;
LOG_Z3_solver_from_string(c, s, c_str);
std::string str(c_str);
std::istringstream is(str);
std::istringstream is(c_str);
if (is_dimacs_string(c_str)) {
solver_from_dimacs_stream(c, s, is);
}