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mk_not: fix clang compilation issue

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This commit is contained in:
Arie Gurfinkel 2018-06-11 11:11:44 -07:00
parent 9a0406d181
commit dda65fdd2e
2 changed files with 13 additions and 14 deletions
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24
src/ast/ast_util.cpp
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@ -98,7 +98,7 @@ bool is_atom(ast_manager & m, expr * n) {
return true;
SASSERT(is_app(n));
if (to_app(n)->get_family_id() != m.get_basic_family_id()) {
return true;
return true;
}
// the other operators of the basic family are not considered atomic: distinct, ite, and, or, iff, xor, not, implies.
return (m.is_eq(n) && !m.is_bool(to_app(n)->get_arg(0))) || m.is_true(n) || m.is_false(n);
@ -106,7 +106,7 @@ bool is_atom(ast_manager & m, expr * n) {
bool is_literal(ast_manager & m, expr * n) {
return
return
is_atom(m, n) ||
(m.is_not(n) && is_atom(m, to_app(n)->get_arg(0)));
}
@ -187,7 +187,7 @@ expr * mk_not(ast_manager & m, expr * arg) {
expr * atom;
if (m.is_not(arg, atom))
return atom;
else if (m.is_true(arg))
else if (m.is_true(arg))
return m.mk_false();
else if (m.is_false(arg))
return m.mk_true();
@ -195,7 +195,7 @@ expr * mk_not(ast_manager & m, expr * arg) {
return m.mk_not(arg);
}
expr_ref mk_not(expr_ref& e) {
expr_ref mk_not(const expr_ref& e) {
return expr_ref(mk_not(e.m(), e), e.m());
}
@ -226,7 +226,7 @@ expr_ref push_not(const expr_ref& e) {
}
return mk_and(args);
}
return expr_ref(mk_not(m, e), m);
return expr_ref(mk_not(m, e), m);
}
expr * expand_distinct(ast_manager & m, unsigned num_args, expr * const * args) {
@ -282,7 +282,7 @@ void flatten_and(expr_ref_vector& result) {
}
result[i] = result.back();
result.pop_back();
--i;
--i;
}
else if (m.is_not(result[i].get(), e1) && m.is_implies(e1,e2,e3)) {
result.push_back(e2);
@ -294,7 +294,7 @@ void flatten_and(expr_ref_vector& result) {
m.is_false(e1))) {
result[i] = result.back();
result.pop_back();
--i;
--i;
}
else if (m.is_false(result[i].get()) ||
(m.is_not(result[i].get(), e1) &&
@ -308,7 +308,7 @@ void flatten_and(expr_ref_vector& result) {
void flatten_and(expr* fml, expr_ref_vector& result) {
SASSERT(result.get_manager().is_bool(fml));
result.push_back(fml);
result.push_back(fml);
flatten_and(result);
}
@ -345,7 +345,7 @@ void flatten_or(expr_ref_vector& result) {
}
result[i] = result.back();
result.pop_back();
--i;
--i;
}
else if (m.is_implies(result[i].get(),e2,e3)) {
result.push_back(e3);
@ -357,7 +357,7 @@ void flatten_or(expr_ref_vector& result) {
m.is_true(e1))) {
result[i] = result.back();
result.pop_back();
--i;
--i;
}
else if (m.is_true(result[i].get()) ||
(m.is_not(result[i].get(), e1) &&
@ -366,12 +366,12 @@ void flatten_or(expr_ref_vector& result) {
result.push_back(m.mk_true());
return;
}
}
}
}
void flatten_or(expr* fml, expr_ref_vector& result) {
SASSERT(result.get_manager().is_bool(fml));
result.push_back(fml);
result.push_back(fml);
flatten_or(result);
}

3
src/ast/ast_util.h
View file

@ -127,7 +127,7 @@ inline expr_ref mk_or(expr_ref_vector const& args) { return expr_ref(mk_or(args.
*/
expr * mk_not(ast_manager & m, expr * arg);
expr_ref mk_not(expr_ref& e);
expr_ref mk_not(const expr_ref& e);
/**
Negate and push over conjunction or disjunction.
@ -162,4 +162,3 @@ void flatten_or(expr* fml, expr_ref_vector& result);
#endif /* AST_UTIL_H_ */