metalanguage design (both lua literals and DSL)

1 files changed, 20 insertions, 0 deletions

diff --git a/cm/ex01.lua b/cm/ex01.lua
new file mode 100644
index 0000000..feaf876
--- /dev/null
+++ b/cm/ex01.lua
@@ -0,0 +1,20 @@
+-- Environment is loaded with the utils (as metatable.__index)
+-- Global vars (aka properties on env) will be read as decls
+
+-- name implied by property key here
+Bar = _struct({
+    -- _t: Loads another type by its name. Return the type, or a placeholder if the type is not yet available
+    --     Useful recursive definitions
+    --     Undefined type errors generated on the referential resolution pass (i.e. not immediately)
+    field1 = _t("i32"),
+    field2 = _t("string"),
+    -- Deferred loading as described above
+    compound_field = _t("Foo"),
+})
+
+uint32 = _alias("u32")
+
+-- Note, defined after Bar!
+Foo = _struct({
+    n = _t("i32"),
+})