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f7f6d72ac0
Changes to the rule loader to support result objects: - Instead of throwing falco_exception on internal error, throw a rule_load_exception instead, which contains distinct error/message/context information. - A context object contains a chain of location structs chaining from the document root to the object where the error occurred. Each location has a file position (as a YAML::Mark), an item type (e.g. "rule", "list", "exception"), and an item name (e.g. "Write Below Etc"). This will allow showing the exact location of an error (e.g. list item/exception field) while also remembering the item that contained it. - All the _info structs now contain a context so errors that occur after yaml parsing can still point to the original location in the yaml file. - rule_loader::result is an implementation of the abstract class defined in falco_load_result. The implementation keeps track of a list of errors/warnigns that used to be in the configuration object, - Clean up compile_ methods to just throw rule_load_exceptions or return nothing, and ensure that all rule_load_exceptions are caught in compile(). When caught, errors are added to the result object. Signed-off-by: Mark Stemm <mark.stemm@gmail.com>