improve find_program cache

2 files changed, 25 insertions, 6 deletions

diff --git a/xmake/core/project/cache.lua b/xmake/core/project/cache.lua
index 1b3b63c7f..d96f12e00 100644
--- a/xmake/core/project/cache.lua
+++ b/xmake/core/project/cache.lua
@@ -56,6 +56,13 @@ function cache._instance(scopename)
     -- init instance
     local instance = table.inherit(cache)
 
+    -- memory cache?
+    if scopename:startswith("memory.") then
+        instance._CACHEDATA = instance._CACHEDATA or {__version = xmake._VERSION_SHORT}
+        instances[scopename] = instance
+        return instance
+    end
+
     -- check scopename
     if not scopename:find("local%.") and not scopename:find("global%.") then
         os.raise("invalid cache scope: %s", scopename)
@@ -110,6 +117,11 @@ function cache:flush()
     -- flush the version 
     self._CACHEDATA.__version = xmake._VERSION_SHORT
 
+    -- memory cache? ignore it directly
+    if not self._CACHEPATH then
+        return true
+    end
+
     -- save to file
     return io.save(self._CACHEPATH, self._CACHEDATA) 
 end
diff --git a/xmake/core/project/project.lua b/xmake/core/project/project.lua
index 5fdc43636..6dff6d1a4 100644
--- a/xmake/core/project/project.lua
+++ b/xmake/core/project/project.lua
@@ -365,6 +365,13 @@ function project._load_target_deps(target, targets)
     return table.unique(deptargets)
 end
 
+-- get the project file
+function project.file()
+
+    -- get it
+    return xmake._PROJECT_FILE
+end
+
 -- get the project directory
 function project.directory()
 
@@ -420,7 +427,7 @@ function project.get(name)
         assert(interp) 
 
         -- load infos
-        infos = interp:load(xmake._PROJECT_FILE, nil, true, true)
+        infos = interp:load(project.file(), nil, true, true)
         project._INFOS = infos
     end
 
@@ -444,7 +451,7 @@ function project.load()
     end
 
     -- load targets
-    local results, errors = interp:load(xmake._PROJECT_FILE, "target", true, true)
+    local results, errors = interp:load(project.file(), "target", true, true)
     if not results then
         return false, errors
     end
@@ -505,7 +512,7 @@ function project.options(enable_filter)
     assert(interp) 
 
     -- load the options from the the project file
-    local results, errors = interp:load(xmake._PROJECT_FILE, "option", true, enable_filter)
+    local results, errors = interp:load(project.file(), "option", true, enable_filter)
     if not results then
         return nil, errors
     end
@@ -538,12 +545,12 @@ function project.tasks()
     assert(interp) 
 
     -- the project file is not found?
-    if not os.isfile(xmake._PROJECT_FILE) then
+    if not os.isfile(project.file()) then
         return {}, nil
     end
 
     -- load the tasks from the the project file
-    local results, errors = interp:load(xmake._PROJECT_FILE, "task", true, true)
+    local results, errors = interp:load(project.file(), "task", true, true)
     if not results then
         return nil, errors
     end
@@ -569,7 +576,7 @@ function project.menu()
     -- attempt to load options from the project file
     local options = nil
     local errors = nil
-    if os.isfile(xmake._PROJECT_FILE) then
+    if os.isfile(project.file()) then
         options, errors = project.options(false)
     end