From 303b162601172b48653af7ff01422489ed318e37 Mon Sep 17 00:00:00 2001
From: Adam <adamdharrison@gmail.com>
Date: Wed, 12 Jul 2023 11:00:44 -0400
Subject: Updated perl to improve syntax highlighting. (#265)

* Updated perl to improve syntax highlighting.

* Added in more perl stuff.
---
 plugins/language_perl.lua | 37 ++++++++++++++++++++++++++++++++++---
 1 file changed, 34 insertions(+), 3 deletions(-)

(limited to 'plugins')

diff --git a/plugins/language_perl.lua b/plugins/language_perl.lua
index 0e057e2..cc1547f 100644
--- a/plugins/language_perl.lua
+++ b/plugins/language_perl.lua
@@ -10,13 +10,23 @@ syntax.add {
     { pattern = "%#.-\n",                 type = "comment"  },
     { pattern = { '"', '"', '\\' },       type = "string"   },
     { pattern = { "'", "'", '\\' },       type = "string"   },
+    { pattern = { "qw%(", "%)", '\\' },     type = "string"   },
+    { pattern = { "qw%[", "%]", '\\' },     type = "string"   },
+    { pattern = { "qw%/", "%/", '\\' },     type = "string"   },
+    { pattern = { "qq?%(", "%)",  '\\' },     type = "string"   },
+    { pattern = { "qq?%[", "%]",  '\\' },     type = "string"   },
+    { pattern = { "qq?%/", "%/",  '\\' },     type = "string"   },
+    { pattern = { "^=%w+", "=cut" },   type = "comment" },
     -- until we can get this workign with s///, just don't do any of them.
     -- { pattern = { '/', '/', '\\' },       type = "string"   },
     { pattern = "-?%d+[%d%.eE]*",         type = "number"   },
     { pattern = "-?%.?%d+",               type = "number"   },
     { pattern = "[%a_][%w_]*%f[(]",       type = "function" },
-    { pattern = "[%@%$%*]+[%a_][%w_]*",   type = "keyword2" },
-    { pattern = "%--[%a_][%w_]*",            type = "symbol"   },
+    { pattern = "[%@%$%*%%]+[%a_][%w_]*", type = "keyword2" },
+    { pattern = "[%a_][%w_]*%s+()=>", type =  { "string", "operator" } },
+    { pattern = "sub%s+()[%w_]+", type =  { "keyword", "operator" } },
+    { pattern = "[<=>%+%-%*%/:%&%|%!%?%~]+", type = "operator" },
+    { pattern = "%--[%a_][%w_]*",         type = "symbol"   },
   },
   symbols = {
     ["-A"] = "keyword",
@@ -255,6 +265,27 @@ syntax.add {
     ["write"] = "keyword",
     ["each"] = "keyword",
     ["lcfirst"] = "keyword",
-    ["setnetent"] = "keyword"
+    ["setnetent"] = "keyword",
+    ["while"] = "keyword",
+    ["for"] = "keyword",
+    ["if"] = "keyword",
+    ["else"] = "keyword",
+    ["elsif"] = "keyword",
+    ["unless"] = "keyword",
+    ["no"] = "keyword",
+    ["new"] = "keyword",
+    ["do"] = "keyword",
+    ["__PACKAGE__"] = "keyword",
+    ["warnings"] = "keyword2",
+    ["strict"] = "keyword2",
+    ["eq"] = "operator",
+    ["ne"] = "operator",
+    ["lt"] = "operator",
+    ["gt"] = "operator",
+    ["le"] = "operator",
+    ["ge"] = "operator",
+    ["cmp"] = "operator",
+    ["STDERR"] = "keyword2",
+    ["STDOUT"] = "keyword2"
   }
 }
-- 
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