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regex union

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This commit is contained in:
Murphy Berzish 2016-06-23 17:14:03 -04:00
parent 04803d7a3b
commit 020e8aef6d
1 changed files with 12 additions and 17 deletions
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29
src/smt/theory_str.cpp
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@ -1328,26 +1328,21 @@ void theory_str::instantiate_axiom_RegexIn(enode * e) {
expr_ref finalAxiom(mk_and(items), m); expr_ref finalAxiom(mk_and(items), m);
SASSERT(finalAxiom); SASSERT(finalAxiom);
assert_axiom(finalAxiom); assert_axiom(finalAxiom);
/* } else if (is_RegexUnion(regex)) {
Z3_ast var1 = mk_regexRepVar(t); expr_ref var1(mk_regex_rep_var(), m);
Z3_ast var2 = mk_regexRepVar(t); expr_ref var2(mk_regex_rep_var(), m);
rhs = mk_concat(t, var1, var2); expr_ref orVar(m.mk_or(ctx.mk_eq_atom(str, var1), ctx.mk_eq_atom(str, var2)), m);
expr_ref regex1(regex->get_arg(0), m);
Z3_ast regex1 = Z3_get_app_arg(ctx, arg1_func_app, 0); expr_ref regex2(regex->get_arg(1), m);
Z3_ast regex2 = Z3_get_app_arg(ctx, arg1_func_app, 1); expr_ref var1InRegex1(mk_RegexIn(var1, regex1), m);
Z3_ast var1InRegex1 = mk_2_arg_app(ctx, td->RegexIn, var1, regex1); expr_ref var2InRegex2(mk_RegexIn(var2, regex2), m);
Z3_ast var2InRegex2 = mk_2_arg_app(ctx, td->RegexIn, var2, regex2); expr_ref_vector items(m);
std::vector<Z3_ast> items;
items.push_back(var1InRegex1); items.push_back(var1InRegex1);
items.push_back(var2InRegex2); items.push_back(var2InRegex2);
items.push_back(Z3_mk_eq(ctx, resBoolVar, Z3_mk_eq(ctx, args[0], rhs))); items.push_back(ctx.mk_eq_atom(expr, orVar));
extraAssert = mk_and_fromVector(t, items); assert_axiom(mk_and(items));
return resBoolVar;
*/
} else if (is_RegexUnion(regex)) {
} else if (is_RegexStar(regex)) { } else if (is_RegexStar(regex)) {
NOT_IMPLEMENTED_YET();
} else { } else {
TRACE("t_str_detail", tout << "ERROR: unknown regex expression " << mk_pp(regex, m) << "!" << std::endl;); TRACE("t_str_detail", tout << "ERROR: unknown regex expression " << mk_pp(regex, m) << "!" << std::endl;);
NOT_IMPLEMENTED_YET(); NOT_IMPLEMENTED_YET();