Added compatibility files and revamped core/math to use global variables

instead of compile actions. Also added mix (lerp) and smooth
(smoothstep) functions.

2 files changed, 57 insertions, 0 deletions

diff --git a/compatibility/5.13.nom b/compatibility/5.13.nom
new file mode 100644
index 0000000..b4100bf
--- /dev/null
+++ b/compatibility/5.13.nom
@@ -0,0 +1,24 @@
+#!/usr/bin/env nomsu -V5.13
+#
+    This file defines upgrades from Nomsu <5.13 to 5.13
+use "compatibility/compatibility.nom"
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+upgrade action (size of $) to "5.13" as (#$)
+
+upgrade action "with" to "5.13" via (..)
+    for $tree:
+        $assignments = $tree.2
+        $body = $tree.3
+        if ($assignments.type != "Dict"):
+            return $tree
+        $new_assignments = \[]
+        for $a in $assignments at $i:
+            when:
+                (($a.type == "DictEntry") and ((#$a) == 1)):
+                    $a = $a.1
+                (all of [$a.type == "DictEntry", (#$a) == 2]):
+                    $a = \($a.1 = $a.2)
+            $new_assignments.$i = $a
+        return \(with $new_assignments $body)
diff --git a/compatibility/6.14.nom b/compatibility/6.14.nom
new file mode 100644
index 0000000..01d3fac
--- /dev/null
+++ b/compatibility/6.14.nom
@@ -0,0 +1,33 @@
+#!/usr/bin/env nomsu -V6.14
+#
+    This file defines upgrades from Nomsu <6.14 to 6.14
+use "compatibility/compatibility.nom"
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+upgrade action
+    try $action and if it succeeds $success or if it barfs $msg $fallback
+..to "6.14" as (try $action if it succeeds $success if it fails $msg $fallback)
+
+upgrade action
+    try $action and if it barfs $msg $fallback or if it succeeds $success
+..to "6.14" as (try $action if it fails $msg $fallback if it succeeds $success)
+
+upgrade action (try $action and if it barfs $fallback or if it succeeds $success)
+..to "6.14" as (try $action if it fails $fallback if it succeeds $success)
+
+upgrade action (try $action and if it barfs $msg $fallback) to "6.14" as
+    try $action if it fails $msg $fallback
+
+upgrade action (try $action and if it succeeds $success) to "6.14" as
+    try $action if it succeeds $success
+
+upgrade action (assume $assumption or barf $err) to "6.14" as
+    unless $assumption: fail $err
+
+upgrade action (barf $msg) to "6.14" as (fail $msg)
+
+upgrade action (\(1's meaning)).stub to "6.14" via
+    $tree -> (SyntaxTree {.source = $tree.source, .type = "Var", $tree.1})
+
+upgrade action (log base $b of $n) to "6.14" as (log $n base $b)