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Show choices in help and usage messages

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Paul Ouellette
2019-05-29 23:18:58 -04:00
parent dcd5162710
commit a8faa0b092
4 changed files with 72 additions and 4 deletions
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22
src/argparse.lua
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@@ -513,17 +513,33 @@ function Argument:_get_argname(narg)
end
end
function Argument:_get_choices_list()
return "{" .. table.concat(self._choices, ",") .. "}"
end
function Argument:_get_default_argname()
return "<" .. self._name .. ">"
if self._choices then
return self:_get_choices_list()
else
return "<" .. self._name .. ">"
end
end
function Option:_get_default_argname()
return "<" .. self:_get_default_target() .. ">"
if self._choices then
return self:_get_choices_list()
else
return "<" .. self:_get_default_target() .. ">"
end
end
-- Returns labels to be shown in the help message.
function Argument:_get_label_lines()
return {self._name}
if self._choices then
return {self:_get_choices_list()}
else
return {self._name}
end
end
function Option:_get_label_lines()