diff options
Diffstat (limited to 'src/tools/qlalr/lalr.cpp')
| -rw-r--r-- | src/tools/qlalr/lalr.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/tools/qlalr/lalr.cpp b/src/tools/qlalr/lalr.cpp index b9a9cf264f..c7269bed5f 100644 --- a/src/tools/qlalr/lalr.cpp +++ b/src/tools/qlalr/lalr.cpp @@ -297,6 +297,12 @@ void Automaton::build () buildDefaultReduceActions (); } +#if defined(__cpp_lib_not_fn) && __cpp_lib_not_fn >= 201603 +# define Q_NOT_FN std::not_fn +#else +# define Q_NOT_FN std::not1 +#endif + void Automaton::buildNullables () { bool changed = true; @@ -307,7 +313,7 @@ void Automaton::buildNullables () for (RulePointer rule = _M_grammar->rules.begin (); rule != _M_grammar->rules.end (); ++rule) { - NameList::iterator nn = std::find_if (rule->rhs.begin (), rule->rhs.end (), std::not1 (Nullable (this))); + NameList::iterator nn = std::find_if(rule->rhs.begin(), rule->rhs.end(), Q_NOT_FN(Nullable(this))); if (nn == rule->rhs.end ()) changed |= nullables.insert (rule->lhs).second; @@ -648,7 +654,7 @@ void Automaton::buildIncludesDigraph () if (! _M_grammar->isNonTerminal (*A)) continue; - NameList::iterator first_not_nullable = std::find_if (dot, rule->rhs.end (), std::not1 (Nullable (this))); + NameList::iterator first_not_nullable = std::find_if(dot, rule->rhs.end(), Q_NOT_FN(Nullable(this))); if (first_not_nullable != rule->rhs.end ()) continue; |