Todd Gamblin bf610a379f Clean up exceptions and function names in directives. ... - Functions returned by directives were all called `_execute`, which made reading stack traces hard because you couldn't tell what directive a frame came from. - renamed them all to `_execute_<directive>` - Exceptions in directives were only really used in one or two places -- get rid of the boilerplate init functions and let the callsite specify the message.		2017-09-30 02:06:59 -07:00
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spack	Clean up exceptions and function names in directives.	2017-09-30 02:06:59 -07:00