Re-named "lux/platform" to "lux/tool".

1 files changed, 36 insertions, 0 deletions

diff --git a/stdlib/source/lux/tool/compiler/default/evaluation.lux b/stdlib/source/lux/tool/compiler/default/evaluation.lux
new file mode 100644
index 000000000..1f21304ca
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/default/evaluation.lux
@@ -0,0 +1,36 @@
+(.module:
+  [lux #*
+   [control
+    [monad (#+ do)]]
+   [data
+    ["." error]
+    [text
+     format]]]
+  [///
+   ["." phase
+    [analysis (#+ Operation)
+     [".A" expression]
+     ["." type]]
+    ["." synthesis
+     [".S" expression]]
+    ["." translation]]])
+
+(type: #export Eval
+  (-> Nat Type Code (Operation Any)))
+
+(def: #export (evaluator synthesis-state translation-state translate)
+  (All [anchor expression statement]
+    (-> synthesis.State+
+        (translation.State+ anchor expression statement)
+        (translation.Phase anchor expression statement)
+        Eval))
+  (function (eval count type exprC)
+    (do phase.monad
+      [exprA (type.with-type type
+               (expressionA.compile exprC))]
+      (phase.lift (do error.monad
+                    [exprS (|> exprA expressionS.phase (phase.run synthesis-state))]
+                    (phase.run translation-state
+                               (do phase.monad
+                                 [exprO (translate exprS)]
+                                 (translation.evaluate! (format "eval" (%n count)) exprO))))))))