support namespace for xpack

xmake/core/base/interpreter.lua

@@ -87,8 +87,6 @@ end
 
 -- merge the current root values to the previous scope
 function interpreter:_merge_root_scope(root, root_prev, override)
-
-    -- merge it
     root_prev = root_prev or {}
     for scope_kind_and_name, _ in pairs(root or {}) do
         -- only merge sub-scope for each kind("target@@xxxx") or __rootkind

xmake/plugins/pack/xpack.lua

@@ -32,13 +32,24 @@ import("filter")
 import("xpack_component")
 
 -- define module
-local xpack = xpack or object {_init = {"_name", "_info"}}
+local xpack = xpack or object {_init = {"_name", "_info", "_namespace"}}
 
 -- get name
 function xpack:name()
     return self._name
 end
 
+-- get namespace
+function xpack:namespace()
+    return self._namespace
+end
+
+-- get fullname
+function xpack:fullname()
+    local namespace = self:namespace()
+    return namespace and namespace .. "::" .. self:name() or self:name()
+end
+
 -- get values
 function xpack:get(name)
     if self._info then
@@ -131,7 +142,7 @@ function xpack:targets()
         local targetnames = self:get("targets")
         if targetnames then
             for _, name in ipairs(targetnames) do
-                local target = project.target(name)
+                local target = project.target(name, {namespace = self:namespace()})
                 if target then
                     table.insert(targets, target)
                 else
@@ -148,7 +159,7 @@ end
 function xpack:target(name)
     local targetnames = self:get("targets")
     if targetnames and table.contains(table.wrap(targetnames), name) then
-        return project.target(name)
+        return project.target(name, {namespace = self:namespace()})
     end
 end
 
@@ -506,7 +517,14 @@ end
 -- new a xpack, and we need to clone scope info,
 -- because two different format packages maybe have same scope
 function _new(name, info)
-    return xpack {name, info:clone()}
+    local parts = name:split("::", {plain = true})
+    name = parts[#parts]
+    table.remove(parts)
+    local namespace
+    if #parts > 0 then
+        namespace = table.concat(parts, "::")
+    end
+    return xpack {name, info:clone(), namespace}
 end
 
 -- get xpack packages