diff options
Diffstat (limited to 'src/parser/parser.cpp')
| -rw-r--r-- | src/parser/parser.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/parser/parser.cpp b/src/parser/parser.cpp index 84796f093..85b6c9865 100644 --- a/src/parser/parser.cpp +++ b/src/parser/parser.cpp @@ -124,6 +124,9 @@ Parser* Parser::getNewParser(ExprManager* em, InputLanguage lang, Parser* Parser::getNewParser(ExprManager* em, InputLanguage lang, string filename) { istream* input = new ifstream(filename.c_str()); + if(!*input) { + throw Exception("file does not exist or is unreadable: " + filename); + } return getNewParser(em, lang, input, filename, true); } |