Fetch a str attribute with nqp::getattr_s instead of nqp::getattr

Author: pmurias

src/QRegex/Cursor.nqp

@@ -86,8 +86,8 @@ role NQPMatchRole is export {
     method pos()    { $!pos }
     method to()     { $!to < 0 ?? $!pos !! $!to }
     method CURSOR() { self }
-    method PRECURSOR() { self."!cursor_init"(nqp::getattr($!shared, ParseShared, '$!target'), :p($!from)) }
-    method Str()       { $!pos >= $!from ?? nqp::substr(nqp::getattr($!shared, ParseShared, '$!target'), $!from, nqp::sub_i(self.to, $!from)) !! '' }
+    method PRECURSOR() { self."!cursor_init"(nqp::getattr_s($!shared, ParseShared, '$!target'), :p($!from)) }
+    method Str()       { $!pos >= $!from ?? nqp::substr(nqp::getattr_s($!shared, ParseShared, '$!target'), $!from, nqp::sub_i(self.to, $!from)) !! '' }
     method Num()       { +self.Str() }
     method Bool()      { $!pos >= $!from }
     method chars()     { $!pos >= $!from ?? nqp::sub_i(self.to, $!from) !! 0 }