Upgraded core code to latest Nomsu verison.

1 files changed, 30 insertions, 0 deletions

diff --git a/compatibility/2.nom b/compatibility/2.nom
new file mode 100644
index 0000000..409f374
--- /dev/null
+++ b/compatibility/2.nom
@@ -0,0 +1,30 @@
+#!/usr/bin/env nomsu -V2
+use "core"
+use "compatibility/compatibility.nom"
+
+upgrade %tree to "2" as:
+    unless (%tree is "Action" syntax tree): return
+    if (all[%tree.stub is "if % % else %", not (%tree.3 is "Var" syntax tree), not (%tree.5 is "Var" syntax tree)]):
+        %true_body <- (%tree.3 upgraded from "1.2")
+        unless (%true_body is "Block" syntax tree):
+            %true_body <- (=lua "Block(\%true_body.source, \%true_body)")
+        %false_body <- (%tree.5 upgraded from "1.2")
+        unless (%false_body is "Block" syntax tree):
+            %false_body <- (=lua "Block(\%false_body.source, \%false_body)")
+        return (..)
+            \(if %cond %true_body else %false_body)
+            ..with vars {..}
+                cond:%tree.2 upgraded from "1.2", true_body:%true_body, false_body:%false_body
+    
+    %need_blocks <- [..]
+        "if % %", "unless % %", "for % in % %", "for % = % in % %", "repeat while % %"
+        "repeat % times %", "repeat %", "repeat until % %", "for % in % to % by % %",
+        "for % in % to % via % %", "for % in % to % %", "for % % in % %", "do %"
+        "for % in recursive % %", "test %", "with % %", "result of %"
+    for %n in %need_blocks:
+        if ((%tree.stub is %n) and (not ((last in %tree) is "Var" syntax tree))):
+            %bits <- (((% upgraded from "1.2") if (% is syntax tree) else %) for % in %tree)
+            unless ((last in %bits) is "Block" syntax tree):
+                %body <- (last in %bits)
+                %bits.(length of %bits) <- (=lua "Block(\%body.source, \%body)")
+            return (=lua "Action(\%tree.source, unpack(\%bits))")