Added missing error message when input file does not exist.

CHANGELOG.md

@@ -6,6 +6,10 @@ Features:
 
 * unique IDs for all variables (user-defined variables are renamed)
 
+Bug Fixes:
+
+* adds missing error message when attempting to read inaccessible file
+
 ## 0.1.5 (2017-05-04)
 
 Bug Fixes:

include/anthem/Exception.h

@@ -29,9 +29,9 @@ class Exception: public std::exception
 		{
 		}
 
-		// TODO: set plain message as well
 		explicit Exception(const std::string &message)
-		:	m_message{message}
+		:	m_message{message},
+			m_plainMessage{message}
 		{
 		}
 

src/anthem/Translation.cpp

@@ -27,6 +27,9 @@ void translate(const std::vector<std::string> &fileNames, Context &context)
 	{
 		std::ifstream file(fileName, std::ios::in);
 
+		if (!file.is_open())
+			throw LogicException("could not read file “" + fileName + "”");
+
 		translate(fileName.c_str(), file, context);
 	}
 }