Add parsing of noexcept exception specifier

- the specifier is just ignored

Author: mrbean-bremen

generator/parser/lexer.cpp

@@ -1563,6 +1563,20 @@ void Lexer::scanKeyword8()
 	}
       break;
 
+    case 'n':
+      if (*(cursor + 1) == 'o' &&
+          *(cursor + 2) == 'e' &&
+          *(cursor + 3) == 'x' &&
+          *(cursor + 4) == 'c' &&
+          *(cursor + 5) == 'e' &&
+          *(cursor + 6) == 'p' &&
+          *(cursor + 7) == 't')
+        {
+          token_stream[(int) index++].kind = Token_noexcept;
+          return;
+        }
+      break;
+
     case 'o':
       if (*(cursor + 1) == 'p' &&
 	  *(cursor + 2) == 'e' &&

generator/parser/parser.cpp

@@ -2109,6 +2109,13 @@ bool Parser::parseExceptionSpecification(ExceptionSpecificationAST *&node)
 {
   std::size_t start = token_stream.cursor();
 
+  if (token_stream.lookAhead() == Token_noexcept)
+  {
+    // ignore noexcept
+    token_stream.nextToken();
+    return true;
+  }
+
   CHECK(Token_throw);
   ADVANCE('(', "(");
 

generator/parser/tokens.cpp

@@ -103,6 +103,7 @@ static char const * const _S_token_names[] = {
   "mutable",
   "namespace",
   "new",
+  "noexcept",
   "not",
   "not_eq",
   "number_literal",

generator/parser/tokens.h

@@ -105,6 +105,7 @@ enum TOKEN_KIND
     Token_mutable,
     Token_namespace,
     Token_new,
+    Token_noexcept,
     Token_not,
     Token_not_eq,
     Token_number_literal,