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| -rw-r--r-- | README.md | 2 | ||||
| -rw-r--r-- | src/exceptions.h | 29 |
2 files changed, 30 insertions, 1 deletions
@@ -11,7 +11,7 @@ The implementation itself does not use any external libraries and relies fully o - Support for brackets - Export of the expression tree as [Graphviz](http://www.graphviz.org/) dot for visualization -## Requirements +## Requirements: - C++ compiler with support for new C++11 and STL features such as the auto keyword and unique_ptr (tested with GCC 4.7.2 on Linux) - [GoogleTest](http://code.google.com/p/googletest/) for tests diff --git a/src/exceptions.h b/src/exceptions.h new file mode 100644 index 0000000..cd76368 --- /dev/null +++ b/src/exceptions.h @@ -0,0 +1,29 @@ +#ifndef PARSER_SRC_EXCEPTIONS_H_ +#define PARSER_SRC_EXCEPTIONS_H_ + +#include <exception> + +namespace SimpleParser { + +class parenthese_exception: public std::exception { + virtual const char* what() const throw() { + return "Invalid parenthesized expression - check your input term."; + } +}; + +class operator_exception: public std::exception { + virtual const char* what() const throw() { + return "Unexpected operator placement - check your input term."; + } +}; + +class divide_exception: public std::exception { + virtual const char* what() const throw() + { + return "A divison through zero had to be prevented by the parser - check your input term."; + } +}; + +} + +#endif // PARSER_SRC_EXCEPTIONS_H_ |