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Make EvalError a subclass of runtime_error and provide the std::exception with a robust description for easier debugging of callback/scripted function calls

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This commit is contained in:
Jason Turner
2009-06-21 20:07:11 +00:00
parent 786d194689
commit 80ed8eb505
3 changed files with 11 additions and 5 deletions
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9
chaiscript/chaiscript_eval.hpp
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@@ -15,11 +15,16 @@ namespace chaiscript
ParserError(const std::string &why, const langkit::TokenPtr where) : reason(why), location(where){ }
};
struct EvalError {
struct EvalError : public std::runtime_error {
std::string reason;
langkit::TokenPtr location;
EvalError(const std::string &why, const langkit::TokenPtr where) : reason(why), location(where) { }
EvalError(const std::string &why, const langkit::TokenPtr where)
: std::runtime_error("Eval error: \"" + why + "\" in '"
+ where->filename + "' line: " + boost::lexical_cast<std::string>(where->start.line+1)),
reason(why), location(where) { }
virtual ~EvalError() throw() {}
};
struct ReturnValue {