last_loader_error = null
# special case for not a nit file
- if not path.has_suffix(".nit") then
+ if not path.has_suffix(".nit") then do
# search dirless files in known -I paths
if not path.chars.has('/') then
var res = search_module_in_paths(null, path, self.paths)
end
# Found nothing? maybe it is a group...
- var candidate = null
if path.file_exists then
var mgroup = identify_group(path)
if mgroup != null then
var owner_path = mgroup.filepath.join_path(mgroup.name + ".nit")
- if owner_path.file_exists then candidate = owner_path
+ if owner_path.file_exists then
+ path = owner_path
+ break
+ end
end
end
- if candidate == null then
- return null
+ # Found nothing? maybe it is a qualified name
+ if path.chars.has(':') then
+ var ids = path.split("::")
+ var g = identify_group(ids.first)
+ if g != null then
+ scan_group(g)
+ var ms = g.mmodules_by_name(ids.last)
+
+ # Return exact match
+ for m in ms do
+ if m.full_name == path then
+ return m
+ end
+ end
+
+ # Where there is only one or two names `foo::bar`
+ # then accept module that matches `foo::*::bar`
+ if ids.length <= 2 then
+ if ms.length == 1 then return ms.first
+ if ms.length > 1 then
+ var l = new Array[String]
+ for m in ms do
+ var fp = m.filepath
+ if fp != null then fp = " ({fp})" else fp = ""
+ l.add "`{m.full_name}`{fp}"
+ end
+ last_loader_error = "Error: conflicting module for `{path}`: {l.join(", ")} "
+ return null
+ end
+ end
+
+ var bests = new BestDistance[String](path.length / 2)
+ # We found nothing. But propose something in the package?
+ for sg in g.mpackage.mgroups do
+ for m in sg.mmodules do
+ var d = path.levenshtein_distance(m.full_name)
+ bests.update(d, m.full_name)
+ end
+ end
+ var last_loader_error = "Error: cannot find module `{path}`."
+ if bests.best_items.not_empty then
+ last_loader_error += " Did you mean " + bests.best_items.join(", ", " or ") + "?"
+ end
+ self.last_loader_error = last_loader_error
+ return null
+ end
end
- path = candidate
+
+ return null
end
# Does the file exists?