Fix compilation after PEGTL update

src/language/PastisParser.cpp

@@ -9,7 +9,7 @@
 
 namespace language
 {
-using namespace tao::language;
+using namespace language;
 
 // clang-format off
 
@@ -76,10 +76,10 @@ struct grammar
 // clang-format on
 
 template< typename Rule >
-struct action : nothing< Rule > {};
+struct my_action : nothing< Rule > {};
 
 template<>
-struct action< integer >
+struct my_action< integer >
 {
   template< typename Input >
   static void apply( const Input& in, std::string& v )
@@ -93,7 +93,7 @@ struct action< integer >
 };
 
 template<>
-struct action< real >
+struct my_action< real >
 {
   template< typename Input >
   static void apply( const Input& in, std::string& v )
@@ -136,7 +136,7 @@ void parser(const std::string& filename) {
     std::cout << "grammar_issues=" << grammar_issues << '\n';
     language::read_input in(filename);
     try {
-      language::parse< language::grammar, language::action//, language::errors
+      language::parse< language::grammar, language::my_action//, language::errors
                        >( in, name );
     }
     catch(const language::parse_error& e) {
@@ -146,7 +146,7 @@ void parser(const std::string& filename) {
                 << rang::style::reset
                 << rang::fgB::red << "error: " << rang::fg::reset
                 << rang::style::bold << e.what() << rang::style::reset << '\n'
-                << in.line_as_string( p ) << '\n'
+                << in.line_at( p ) << '\n'
                 << std::string( p.byte_in_line, ' ' )
                 << rang::fgB::yellow << '^' << rang::fg::reset
                 << std::endl;