generic-library/ChaiScript
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Clean up exception story so that there is only one exception type and one thing the user needs to catch

Browse Source
This commit is contained in:
Jonathan Turner
2009-07-16 13:24:15 +00:00
parent 8dbb43f45f
commit aed493322b
4 changed files with 69 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
include/chaiscript/chaiscript.hpp
View File

@@ -83,41 +83,29 @@ namespace chaiscript
};
/**
* Errors generated inside the parser
* Errors generated during parsing or evaluation
*/
struct Parse_Error : public std::runtime_error {
struct Eval_Error : public std::runtime_error {
std::string reason;
File_Position position;
const char *filename;
Parse_Error(const std::string &why, const File_Position &where, const char *fname) :
std::runtime_error("Parse error: \"" + why + "\" in '"
+ std::string(fname) + "' at: (" + boost::lexical_cast<std::string>(where.line+1) + ", " +
boost::lexical_cast<std::string>(where.column) + ")"),
Eval_Error(const std::string &why, const File_Position &where, const char *fname) :
std::runtime_error("Error: \"" + why + "\" " +
(std::string(fname) != "__EVAL__" ? ("in '" + std::string(fname) + "' ") : "during evaluation ") +
+ "at (" + boost::lexical_cast<std::string>(where.line) + ", " +
boost::lexical_cast<std::string>(where.column) + ")"),
reason(why), position(where), filename(fname)
{ }
Parse_Error(const std::string &why, const TokenPtr &where)
: std::runtime_error("Parse error: \"" + why + "\" in '"
+ where->filename + "' line: " + boost::lexical_cast<std::string>(where->start.line+1)),
Eval_Error(const std::string &why, const TokenPtr &where)
: std::runtime_error("Error: \"" + why + "\" " +
(std::string(where->filename) != "__EVAL__" ? ("in '" + std::string(where->filename) + "' ") : "during evaluation ") +
"at (" + boost::lexical_cast<std::string>(where->start.line) + ", " +
boost::lexical_cast<std::string>(where->start.column) + ")"),
reason(why), position(where->start), filename(where->filename) {
}
virtual ~Parse_Error() throw() {}
};
/**
* Errors generated inside the evaluator
*/
struct Eval_Error : public std::runtime_error {
std::string reason;
TokenPtr location;
Eval_Error(const std::string &why, const 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 ~Eval_Error() throw() {}
};