Add Phix (#1167)

Author: petelomax

README.md

@@ -485,6 +485,7 @@ Pascal
 Perl
 Perl6
 Pest
+Phix
 Php
 Po
 Poke

languages.json

@@ -1230,6 +1230,14 @@
       "quotes": [["\\\"", "\\\""], ["'", "'"]],
       "extensions": ["pest"]
     },
+    "Phix": {
+      "line_comment": ["--", "//", "#!"],
+      "multi_line_comments": [["/*", "*/"], ["--/*", "--*/"]],
+      "nested": true,
+      "quotes": [["\\\"", "\\\""], ["'", "'"]],
+      "verbatim_quotes": [["\\\"\\\"\\\"", "\\\"\\\"\\\""], ["`", "`"]],
+      "extensions": ["e","exw"]
+    },
     "Php": {
       "name": "PHP",
       "line_comment": ["#", "//"],

tests/data/phix.e

@@ -0,0 +1,40 @@
+/* 40 lines 25 code 8 comments 7 blanks */
+
+-- copied from cpp, not necessarily idiomatic Euphoria code
+
+include std/sequence.e
+
+-- bubble_sort_function
+public function bubble_sort(sequence a)
+    integer t = 0
+    integer j = length(a)
+    integer s = 1
+    while s > 0 do
+        s = 0
+        integer i = 2
+        while i <= j do
+            if a[i] < a[i - 1] then
+                t = a[i]
+                a[i] = a[i - 1]
+                a[i - 1] = t
+                s = 1
+            end if
+            i += 1
+        end while
+        j -= 1
+    end while
+    return a
+end function
+
+sequence a = {4, 65, 2, -31, 0, 99, 2, 83, 782, 1}
+
+-- Single line comment
+? {"Before:", a}
+
+a = bubble_sort(a)
+
+/* multi
+ * line
+ * comment
+ */
+? {"After:", a, equal(a, {-31,0,1,2,2,4,65,83,99,782})}