JavaScript backend: Emit nested expressions

minoki · Oct 26, 2024 · a17096e · a17096e
1 parent 17e13ff
commit a17096e
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Showing 6 changed files with 1,111 additions and 1,110 deletions.
diff --git a/Makefile b/Makefile
@@ -58,6 +58,7 @@ sources = \
   src/cps/decompose-recursive.sml \
   src/cps/unpack-record-parameter.sml \
   src/cps/eta.sml \
+  src/backend.sml \
   src/nested.sml \
   src/lua-syntax.sml \
   src/lua-transform.sml \

diff --git a/src/backend.sml b/src/backend.sml
@@ -0,0 +1,21 @@
+(*
+ * Copyright (c) 2024 ARATA Mizuki
+ * This file is part of LunarML.
+ *)
+structure Backend:
+sig
+  datatype lua_runtime = LUA_PLAIN | LUA_CONTINUATIONS
+  datatype code_style = DIRECT_STYLE | CPS
+  datatype backend =
+    BACKEND_LUA of lua_runtime
+  | BACKEND_LUAJIT
+  | BACKEND_JS of code_style
+end =
+struct
+  datatype lua_runtime = LUA_PLAIN | LUA_CONTINUATIONS
+  datatype code_style = DIRECT_STYLE | CPS
+  datatype backend =
+    BACKEND_LUA of lua_runtime
+  | BACKEND_LUAJIT
+  | BACKEND_JS of code_style
+end;