Add syntax highlighting for teal

https://github.com/teal-language/tl

Supports .d.tl and .tl. But definition files are essentially the same except they only define external untyped code.

1 files changed, 55 insertions, 0 deletions

diff --git a/plugins/language_teal.lua b/plugins/language_teal.lua
new file mode 100644
index 0000000..8ab4c33
--- /dev/null
+++ b/plugins/language_teal.lua
@@ -0,0 +1,55 @@
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = {"%.tl$","%.d.tl$"},
+  comment = "--",
+  patterns = {
+    { pattern = { '"', '"', '\\' },       type = "string"   },
+    { pattern = { "'", "'", '\\' },       type = "string"   },
+    { pattern = { "%[%[", "%]%]" },       type = "string"   },
+    { pattern = { "%-%-%[%[", "%]%]"},    type = "comment"  },
+    { pattern = "%-%-.-\n",               type = "comment"  },
+    { pattern = "-?0x%x+",                type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*",         type = "number"   },
+    { pattern = "-?%.?%d+",               type = "number"   },
+    { pattern = "<%a+>",                  type = "keyword2" },
+    { pattern = "%.%.%.?",                type = "operator" },
+    { pattern = "[<>~=]=",                type = "operator" },
+    { pattern = "[%+%-=/%*%^%%#<>]",      type = "operator" },
+    { pattern = "[%a_][%w_]*%s*%f[(\"{]", type = "function" },
+    { pattern = "[%a_][%w_]*",            type = "symbol"   },
+    { pattern = "::[%a_][%w_]*::",        type = "function" },
+  },
+  symbols = {
+    ["if"]       = "keyword",
+    ["then"]     = "keyword",
+    ["else"]     = "keyword",
+    ["elseif"]   = "keyword",
+    ["end"]      = "keyword",
+    ["do"]       = "keyword",
+    ["function"] = "keyword",
+    ["repeat"]   = "keyword",
+    ["until"]    = "keyword",
+    ["while"]    = "keyword",
+    ["for"]      = "keyword",
+    ["break"]    = "keyword",
+    ["return"]   = "keyword",
+    ["local"]    = "keyword",
+    ["global"]   = "keyword",
+    ["in"]       = "keyword",
+    ["not"]      = "keyword",
+    ["and"]      = "keyword",
+    ["or"]       = "keyword",
+    ["goto"]     = "keyword",
+    ["enum"]     = "keyword",
+    ["record"]   = "keyword",
+    ["any"]      = "keyword2",
+    ["boolean"]  = "keyword2",
+    ["number"]   = "keyword2",
+    ["string"]   = "keyword2",
+    ["thread"]   = "keyword2",
+    ["true"]     = "literal",
+    ["false"]    = "literal",
+    ["nil"]      = "literal",
+  },
+}