Move imported files into metafang/ dirHEADmaster

this metaprogramming attempt was started outside, and then imported here
5124eb80701523ac16928219e9a1031eded128ef..bc8c20d1e93b5c18e8915d356e74024092a74ce8

1 files changed, 40 insertions, 0 deletions

diff --git a/metafang/cm.lua b/metafang/cm.lua
new file mode 100644
index 0000000..e2d11f6
--- /dev/null
+++ b/metafang/cm.lua
@@ -0,0 +1,40 @@
+-- Cm: name inspired by "C meta(language)", but it's not really a metalangauge (whatever this means) of C (or anything else)
+
+local function LateResolveType(name)
+    -- "lb" - Lazy Binding
+    return {_tag = "lb", _lb_typename = name}
+end
+
+local function TypeTagger(tag)
+    return function(props)
+        props._tag = tag
+        return props
+    end
+end
+
+local cm_env_fns = {
+    _namespace = 0, -- TODO
+    _t = LateResolveType,
+    _struct = TypeTagger("struct"),
+    _union = TypeTagger("union"),
+    _alias = TypeTagger("alias"),
+}
+local cm_env_metatable = {__index = cm_env_fns}
+
+---@param fn function
+---@return table
+function LoadCmLua(fn)
+    local env = {}
+    setmetatable(env, cm_env_metatable)
+
+    local old_fenv = getfenv(fn)
+    setfenv(fn, env)
+    pcall(fn)
+    setfenv(fn, old_fenv)
+
+    return env  
+end
+
+function LoadCmDecl(src)
+    -- TODO
+end