From 80ad65bd891362a21f46e438a7ba41b9538181fb Mon Sep 17 00:00:00 2001
From: Arpad Borsos <arpad.borsos@sentry.io>
Date: Thu, 23 Jul 2020 14:35:27 +0200
Subject: [PATCH] further increase recursion limits

this can now support some extreme cases like typesystem-level linked lists.
the usefulness of such might be questionable, but they *are* valid types.
---
 src/ast.rs     | 4 ++--
 tests/tests.rs | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/ast.rs b/src/ast.rs
index 6498dda..82b68e8 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -177,7 +177,7 @@ pub struct ParseContext {
 impl Default for ParseContext {
     fn default() -> ParseContext {
         ParseContext {
-            max_recursion: 96,
+            max_recursion: 160,
             state: Cell::new(ParseContextState::default()),
         }
     }
@@ -583,7 +583,7 @@ where
     ) -> DemangleContext<'a, W> {
         DemangleContext {
             subs: subs,
-            max_recursion: 128,
+            max_recursion: 160,
             inner: vec![],
             input: input,
             source_name: None,
diff --git a/tests/tests.rs b/tests/tests.rs
index 1071bfd..605e8fd 100755
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -569,3 +569,8 @@ demangles!(
     _ZNK8xxxxxxxx14xxxxxxxxxxxxxxINS_14xxxxxxxxxxxxxxINS1_INS1_INS1_INS1_INS1_INS_10xxxxxxxxxxE32xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxEES3_EE22xxxxxxxxxxxxxxxxxxxxxxEES6_EE13xxxxxxxxxxxxxEE17xxxxxxxxxxxxxxxxxEE14xxxxxxxxxxxxxxE8xxxxxxxxE7xxxxxxxRKN4xxxx5xxxxxEb,
     "xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxxxxxx<xxxxxxxx::xxxxxxxxxx, xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>, xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>, xxxxxxxxxxxxxxxxxxxxxx>, xxxxxxxxxxxxxxxxxxxxxx>, xxxxxxxxxxxxx>, xxxxxxxxxxxxxxxxx>, xxxxxxxxxxxxxx>::xxxxxxxx(xxxxxxx, xxxx::xxxxx const&, bool) const"
 );
+
+demangles!(
+    _ZN5boost7variantIiJljdbNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEENS_17basic_string_viewIcS4_EElmxyNS_10filesystem4pathEEEC2IS6_EEOT_PNS_9enable_ifINS_3mpl3or_INSG_4and_INS_19is_rvalue_referenceISE_EENSG_4not_INS_8is_constISD_EEEENSL_INS_7is_sameISD_SB_EEEENS_6detail7variant29is_variant_constructible_fromISE_NSG_6l_itemIN4mpl_5long_ILl12EEEiNSV_INSX_ILl11EEElNSV_INSX_ILl10EEEjNSV_INSX_ILl9EEEdNSV_INSX_ILl8EEEbNSV_INSX_ILl7EEES6_NSV_INSX_ILl6EEES8_NSV_INSX_ILl5EEElNSV_INSX_ILl4EEEmNSV_INSX_ILl3EEExNSV_INSX_ILl2EEEyNSV_INSX_ILl1EEESA_NSG_5l_endEEEEEEEEEEEEEEEEEEEEEEEEEEENSW_5bool_ILb1EEEEENSP_ISD_NS_18recursive_variant_EEENS1O_ILb0EEES1T_S1T_EEvE4typeE,
+    "boost::variant<int, long, unsigned int, double, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::basic_string_view<char, std::char_traits<char> >, long, unsigned long, long long, unsigned long long, boost::filesystem::path>::variant<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(boost::enable_if<boost::mpl::or_<boost::mpl::and_<boost::is_rvalue_reference<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&>, boost::mpl::not_<boost::is_const<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, boost::mpl::not_<boost::is_same<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::variant<int, long, unsigned int, double, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::basic_string_view<char, std::char_traits<char> >, long, unsigned long, long long, unsigned long long, boost::filesystem::path> > >, boost::detail::variant::is_variant_constructible_from<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, boost::mpl::l_item<mpl_::long_<(long)12>, int, boost::mpl::l_item<mpl_::long_<(long)11>, long, boost::mpl::l_item<mpl_::long_<(long)10>, unsigned int, boost::mpl::l_item<mpl_::long_<(long)9>, double, boost::mpl::l_item<mpl_::long_<(long)8>, bool, boost::mpl::l_item<mpl_::long_<(long)7>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::mpl::l_item<mpl_::long_<(long)6>, boost::basic_string_view<char, std::char_traits<char> >, boost::mpl::l_item<mpl_::long_<(long)5>, long, boost::mpl::l_item<mpl_::long_<(long)4>, unsigned long, boost::mpl::l_item<mpl_::long_<(long)3>, long long, boost::mpl::l_item<mpl_::long_<(long)2>, unsigned long long, boost::mpl::l_item<mpl_::long_<(long)1>, boost::filesystem::path, boost::mpl::l_end> > > > > > > > > > > > >, mpl_::bool_<true> >, boost::is_same<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::recursive_variant_>, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, void>::type*)"
+);
\ No newline at end of file