Add language_fennel plugin for Fennel code.

2 files changed, 101 insertions, 0 deletions

diff --git a/README.md b/README.md
index 5b4c948..5e5132a 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ 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_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
 [`language_go`](plugins/language_go.lua?raw=1) | Syntax for the [Go](https://golang.org/) programming language
 [`language_hs`](plugins/language_hs.lua?raw=1) | Syntax for the [Haskell](https://www.haskell.org/) programming language
 [`language_jiyu`](plugins/language_jiyu.lua?raw=1) | Syntax for the [jiyu](https://github.com/machinamentum/jiyu) programming language
diff --git a/plugins/language_fennel.lua b/plugins/language_fennel.lua
new file mode 100644
index 0000000..7320e91
--- /dev/null
+++ b/plugins/language_fennel.lua
@@ -0,0 +1,100 @@
+-- Support for the Fennel programming language: https://fennel-lang.org
+-- Covers all the keywords up to Fennel version 0.4.0
+
+-- Currently only covers highlighting, not indentation, delimiter
+-- matching, or evaluation.
+
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = "%.fnl$",
+  comment = ";",
+  patterns = {
+    { pattern = ";.-\n",              type = "comment"  },
+    { pattern = { '"', '"', '\\' },   type = "string"   },
+    { pattern = "0x[%da-fA-F]+",      type = "number"   },
+    { pattern = "-?%d+[%d%.]*",       type = "number"   },
+    { pattern = "-?%.?%d+",           type = "number"   },
+    { pattern = "%f[^(][^()'%s\"]+",  type = "function" },
+    { pattern = "[^()'%s\"]+",        type = "symbol"   },
+  },
+
+  symbols = {
+    ["eval-compiler"] = "keyword2",
+    ["doc"] = "keyword2",
+    ["lua"] = "keyword2",
+    ["hashfn"] = "keyword2",
+    ["macro"] = "keyword2",
+    ["macros"] = "keyword2",
+    ["import-macros"] = "keyword2",
+    ["do"] = "keyword2",
+    ["values"] = "keyword2",
+    ["if"] = "keyword2",
+    ["when"] = "keyword2",
+    ["each"] = "keyword2",
+    ["for"] = "keyword2",
+    ["fn"] = "keyword2",
+    ["lambda"] = "keyword2",
+    ["λ"] = "keyword2",
+    ["partial"] = "keyword2",
+    ["while"] = "keyword2",
+    ["set"] = "keyword2",
+    ["global"] = "keyword2",
+    ["var"] = "keyword2",
+    ["local"] = "keyword2",
+    ["let"] = "keyword2",
+    ["tset"] = "keyword2",
+    ["set-forcibly!"] = "keyword2",
+    ["doto"] = "keyword2",
+    ["match"] = "keyword2",
+    ["or"] = "keyword2",
+    ["and"] = "keyword2",
+    ["not"] = "keyword2",
+    ["not="] = "keyword2",
+    ["pick-args"] = "keyword2",
+    ["pick-values"] = "keyword2",
+    ["macrodebug"] = "keyword2",
+
+    ["."] = "keyword",
+    ["+"] = "keyword",
+    [".."] = "keyword",
+    ["^"] = "keyword",
+    ["-"] = "keyword",
+    ["*"] = "keyword",
+    ["%"] = "keyword",
+    ["/"] = "keyword",
+    [">"] = "keyword",
+    ["<"] = "keyword",
+    [">="] = "keyword",
+    ["<="] = "keyword",
+    ["="] = "keyword",
+    ["#"] = "keyword",
+    ["..."] = "keyword",
+    [":"] = "keyword",
+    ["->"] = "keyword",
+    ["->>"] = "keyword",
+    ["-?>"] = "keyword",
+    ["-?>>"] = "keyword",
+    ["$"] = "keyword",
+    ["$1"] = "keyword",
+    ["$2"] = "keyword",
+    ["$3"] = "keyword",
+    ["$4"] = "keyword",
+    ["$5"] = "keyword",
+    ["$6"] = "keyword",
+    ["$7"] = "keyword",
+    ["$8"] = "keyword",
+    ["$9"] = "keyword",
+
+    ["lshift"] = "keyword",
+    ["rshift"] = "keyword",
+    ["bor"] = "keyword",
+    ["band"] = "keyword",
+    ["bnot"] = "keyword",
+    ["bxor"] = "keyword",
+
+    ["nil"] = "literal",
+    ["true"] = "literal",
+    ["false"] = "literal",
+  }
+}