From 0c0472862f5c1e543e6c5614a4cd112ac7d4cc13 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Sat, 14 Jul 2018 02:59:41 -0400
Subject: - New syntax for bit values: "#0" and "#1", instead of "false" and
 "true". - Small improvements to lux-mode.

---
 lux-mode/lux-mode.el | 127 ++++++++++++++++++++++++++++-----------------------
 1 file changed, 69 insertions(+), 58 deletions(-)

(limited to 'lux-mode/lux-mode.el')

diff --git a/lux-mode/lux-mode.el b/lux-mode/lux-mode.el
index 50313365f..4a7c05268 100644
--- a/lux-mode/lux-mode.el
+++ b/lux-mode/lux-mode.el
@@ -209,64 +209,75 @@ Called by `imenu--generic-function'."
         (goto-char start)))))
 
 (defconst lux-font-lock-keywords
-  (eval-when-compile
-    `(; Special forms
-      (,(concat
-         "("
-         (regexp-opt
-          '(".module:"
-            "def:" "type:" "macro:" "syntax:" "program:"
-            "signature:" "structure:" "context:" "template:"
-            "class:" "interface:"
-            "poly:" "derived:"
-            "actor:" "message:" "on:"
-            "exception:"
-            "word:"
-            "abstract:"
-            "unit:" "scale:"
-            "import:"
-            ":" ":coerce" ":assume" ":of" ":cast" ":share" ":abstraction" ":representation" "^:representation" ":~"
-            "function" "case" "undefined" "ident-for" "static"
-            "and" "or"
-            "char"
-            "exec" "let" "if" "cond" "do" "be" "open:" "loop" "recur" "comment" "for"
-            "list" "list&" "io" "row" "tree"
-            "get@" "set@" "update@" "|>" "|>>" "<|" "<<|" "_$" "$_" "~" "~+" "~!" "~'" "::" ":::"
-            "|" "&" "->" "All" "Ex" "Rec" "primitive" "$" "type"
-            "^" "^or" "^slots" "^multi" "^@" "^template" "^open" "^|>" "^code" "^sequence&" "^regex"
-            "bin" "oct" "hex"
-            "pre" "post"
-            "structure" "derive"
-            "infix"
-            "format"
-            "`" "`'" "'" "do-template" "with-expansions" "``" "~~"
-            "object" "do-to" "synchronized" "class-for"
-            "doc"
-            "regex"
-            ) t)
-         "\\>")
-       1 font-lock-builtin-face)
-                                        ; Bit literals
-      (,(concat
-         "\\<"
-         (regexp-opt
-          '("true" "false") t)
-         "\\>")
-       0 font-lock-constant-face)
-                                        ; Nat literals
-      ("\\<\\+\\(0\\|[0-9][0-9_]*\\)\\>" 0 font-lock-constant-face)
-                                        ; Int|Frac literals
-      ("\\<-?\\(0\\|[0-9][0-9_]*\\)\\(\\.[0-9_]+\\)?\\>" 0 font-lock-constant-face)
-      ("\\<-?\\(0\\|[--9][0-9_]*\\)\\(\\.[0-9_]+\\(\\(e\\|E\\)\\(-\\|\\+\\)?[0-9][0-9_]*\\)?\\)?\\>" 0 font-lock-constant-face)
-                                        ; Frac "ratio" literals
-      ("\\<-?[0-9][0-9_]*/[0-9][0-9_]*\\>" 0 font-lock-constant-face)
-                                        ; Rev literals
-      ("\\<\\.[0-9][0-9_]*\\>" 0 font-lock-constant-face)
-                                        ; Tags
-      ("#\\.[a-zA-Z0-9-\\+_=!@\\$%\\^&\\*<>\.,/\\\\\\|':~\\?]+" 0 font-lock-type-face)
-      ("#\\.\\.[a-zA-Z0-9-\\+_=!@\\$%\\^&\\*<>\.,/\\\\\\|':~\\?]+" 0 font-lock-type-face)
-      ("#[a-zA-Z0-9-\\+_=!@\\$%\\^&\\*<>;,/\\\\\\|':~\\?]+\\(\\.[a-zA-Z0-9-\\+_=!@\\$%\\^&\\*<>;,/\\\\\\|':~\\?]+\\)?" 0 font-lock-type-face)
-      ))
+  (let ((digits "[0-9][0-9_]*")
+        (digits+ "[0-9_]+")
+        (symbol_h "[a-zA-Z\\-\\+_=!@\\$%\\^&\\*<>;,/\\\\\\|':~\\?]")
+        (symbol_t "[a-zA-Z0-9\\-\\+_=!@\\$%\\^&\\*<>;,/\\\\\\|':~\\?]"))
+    (let ((symbol (concat symbol_h symbol_t "*")))
+      (eval-when-compile
+        `(;; Special forms
+          (,(concat
+             "("
+             (regexp-opt
+              '(".module:"
+                "def:" "type:" "macro:" "syntax:" "program:"
+                "signature:" "structure:" "context:" "template:"
+                "class:" "interface:"
+                "poly:" "derived:"
+                "actor:" "message:" "on:"
+                "exception:"
+                "word:"
+                "abstract:"
+                "unit:" "scale:"
+                "import:"
+                ":" ":coerce" ":assume" ":of" ":cast" ":share" ":abstraction" ":representation" "^:representation" ":~"
+                "function" "case" "undefined" "ident-for" "static"
+                "and" "or"
+                "char"
+                "exec" "let" "if" "cond" "do" "be" "open:" "loop" "recur" "comment" "for"
+                "list" "list&" "io" "row" "tree"
+                "get@" "set@" "update@" "|>" "|>>" "<|" "<<|" "_$" "$_" "~" "~+" "~!" "~'" "::" ":::"
+                "|" "&" "->" "All" "Ex" "Rec" "primitive" "$" "type"
+                "^" "^or" "^slots" "^multi" "^@" "^template" "^open" "^|>" "^code" "^sequence&" "^regex"
+                "bin" "oct" "hex"
+                "pre" "post"
+                "structure" "derive"
+                "infix"
+                "format"
+                "`" "`'" "'" "do-template" "with-expansions" "``" "~~"
+                "object" "do-to" "synchronized" "class-for"
+                "doc"
+                "regex"
+                ) t)
+             "\\>")
+           1 font-lock-builtin-face)
+          ;; Bit literals
+          (,(concat
+             "\\<"
+             (regexp-opt
+              '("#0" "#1") t)
+             "\\>")
+           0 font-lock-constant-face)
+          ;; Nat literals
+          (,(concat "\\<\\+" digits "\\>")
+           0 font-lock-constant-face)
+          ;; Int literals && Frac literals
+          (,(concat "\\<-?" digits "\\(\\." digits+ "\\(\\(e\\|E\\)\\(-\\|\\+\\)?" digits "\\)?\\)?\\>")
+           0 font-lock-constant-face)
+          ;; Frac "ratio" literals
+          (,(concat "\\<-?" digits "/" digits "\\>")
+           0 font-lock-constant-face)
+          ;; Rev literals
+          (,(concat "\\<\\." digits "\\>")
+           0 font-lock-constant-face)
+          ;; Tags
+          (,(concat "#\\." symbol)
+           0 font-lock-type-face)
+          (,(concat "#\\.\\." symbol)
+           0 font-lock-type-face)
+          (,(concat "#" symbol "\\(\\." symbol "\\)?")
+           0 font-lock-type-face)
+          ))))
   "Default expressions to highlight in Lux mode.")
 
 (defun lux-font-lock-syntactic-face-function (state)
-- 
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