Syntax highlighting for the Elixir programming language

2 files changed, 93 insertions, 0 deletions

diff --git a/README.md b/README.md
index e252238..55e92a8 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ Plugin | Description
 [`language_cpp`](plugins/language_cpp.lua?raw=1) | Syntax for the [C++](https://isocpp.org/) programming language
 [`language_csharp`](plugins/language_csharp.lua?raw=1) | Syntax for the [C#](http://csharp.net) programming language
 [`language_d`](plugins/language_d.lua?raw=1) | Syntax for the [D](https://dlang.org/) programming language
+[`language_elixir`](plugins/language_elixir.lua?raw=1) | Syntax for the [Elixir](https://elixir-lang.org) programming language
 [`language_elm`](plugins/language_elm.lua?raw=1) | Syntax for the [Elm](https://elm-lang.org) programming language
 [`language_fe`](plugins/language_fe.lua?raw=1) | Syntax for the [fe](https://github.com/rxi/fe) programming language
 [`language_fennel`](plugins/language_fennel.lua?raw=1) | Syntax for the [fennel](https://fennel-lang.org) programming language
diff --git a/plugins/language_elixir.lua b/plugins/language_elixir.lua
new file mode 100644
index 0000000..f87fad9
--- /dev/null
+++ b/plugins/language_elixir.lua
@@ -0,0 +1,92 @@
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = { "%.ex$", "%.exs$"},
+  comment = "#",
+  patterns = {
+    { pattern = "#.*\n",                type = "comment"  },
+    { pattern = { ':"', '"', '\\' },    type = "number"   },
+    { pattern = { '"""', '"""', '\\' }, type = "string"   },
+    { pattern = { '"', '"', '\\' },     type = "string"   },
+    { pattern = { "'", "'", '\\' },     type = "string"   },
+    { pattern = { '~%a[/"|\'%(%[%{<]', '[/"|\'%)%]%}>]', '\\' }, type = "string"},
+    { pattern = "-?0x%x+",              type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*f?",     type = "number"   },
+    { pattern = "-?%.?%d+f?",           type = "number"   },
+    { pattern = ':"?[%a_][%w_]*"?',     type = "number"   },
+    { pattern = "[%a][%w_!?]*%f[(]",    type = "function" },
+    { pattern = "%u%w+",                type = "normal"   },
+    { pattern = "@[%a_][%w_]*",         type = "keyword2" },
+    { pattern = "_%a[%w_]*",            type = "keyword2" },
+    { pattern = "[%+%-=/%*<>!|&]",      type = "operator" },
+    { pattern = "[%a_][%w_]*",          type = "symbol"   },
+  },
+  symbols = {
+    ["def"]              = "keyword",
+    ["defp"]             = "keyword",
+    ["defguard"]         = "keyword",
+    ["defguardp"]        = "keyword",
+    ["defmodule"]        = "keyword",
+    ["defprotocol"]      = "keyword",
+    ["defimpl"]          = "keyword",
+    ["defrecord"]        = "keyword",
+    ["defrecordp"]       = "keyword",
+    ["defmacro"]         = "keyword",
+    ["defmacrop"]        = "keyword",
+    ["defdelegate"]      = "keyword",
+    ["defoverridable"]   = "keyword",
+    ["defexception"]     = "keyword",
+    ["defcallback"]      = "keyword",
+    ["defstruct"]        = "keyword",
+    ["for"]              = "keyword",
+    ["case"]             = "keyword",
+    ["when"]             = "keyword",
+    ["with"]             = "keyword",
+    ["cond"]             = "keyword",
+    ["if"]               = "keyword",
+    ["unless"]           = "keyword",
+    ["try"]              = "keyword",
+    ["receive"]          = "keyword",
+    ["after"]            = "keyword",
+    ["raise"]            = "keyword",
+    ["rescue"]           = "keyword",
+    ["catch"]            = "keyword",
+    ["else"]             = "keyword",
+    ["quote"]            = "keyword",
+    ["unquote"]          = "keyword",
+    ["super"]            = "keyword",
+    ["unquote_splicing"] = "keyword",
+    ["do"]               = "keyword",
+    ["end"]              = "keyword",
+    ["fn"]               = "keyword",
+    ["import"]           = "keyword2",
+    ["alias"]            = "keyword2",
+    ["use"]              = "keyword2",
+    ["require"]          = "keyword2",
+    ["and"]              = "operator",
+    ["or"]               = "operator",
+    ["true"]             = "literal",
+    ["false"]            = "literal",
+    ["nil"]              = "literal",
+  },
+}
+
+syntax.add {
+  files = { "%.l?eex$" },
+  patterns = {
+    { pattern = { "<!%-%-", "%-%->" },     type = "comment"  },
+    { pattern = { '%f[^>][^<]', '%f[<]' }, type = "normal"   },
+    { pattern = { '<%%=?', '%%>' },        type = "normal"   },
+    { pattern = { '"', '"', '\\' },        type = "string"   },
+    { pattern = { "'", "'", '\\' },        type = "string"   },
+    { pattern = "0x[%da-fA-F]+",           type = "number"   },
+    { pattern = "-?%d+[%d%.]*f?",          type = "number"   },
+    { pattern = "-?%.?%d+f?",              type = "number"   },
+    { pattern = "%f[^<]![%a_][%w_]*",      type = "keyword2" },
+    { pattern = "%f[^<][%a_][%w_]*",       type = "function" },
+    { pattern = "%f[^<]/[%a_][%w_]*",      type = "function" },
+    { pattern = "[%a_][%w_]*",             type = "keyword"  },
+    { pattern = "[/<>=]",                  type = "operator" },
+  },
+  symbols = {},
+}