add Elm language syntax support

1 files changed, 47 insertions, 0 deletions

diff --git a/plugins/language_elm.lua b/plugins/language_elm.lua
new file mode 100644
index 0000000..4f449a0
--- /dev/null
+++ b/plugins/language_elm.lua
@@ -0,0 +1,47 @@
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = { "%.elm$" },
+  comment = "%-%-",
+  patterns = {
+    { pattern = {"%-%-", "\n"},          type = "comment"  },
+    { pattern = { "{%-", "%-}" },        type = "comment"  },
+    { pattern = { '"', '"', '\\' },      type = "string"   },
+    { pattern = { '"""', '"""', '\\' },  type = "string"   },
+    { pattern = { "'", "'", '\\' },      type = "string"   },
+    { pattern = "-?0x%x+",               type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*f?",      type = "number"   },
+    { pattern = "-?%.?%d+f?",            type = "number"   },
+    { pattern = "%.%.",                  type = "operator" },
+    { pattern = "[=:|&<>%+%-%*\\/%^%%]", type = "operator" },
+    { pattern = "[%a_'][%w_']*",         type = "symbol"   },
+  },
+  symbols = {
+    ["as"] = "keyword",
+    ["case"] = "keyword",
+    ["of"] = "keyword",
+    ["if"] = "keyword",
+    ["then"] = "keyword",
+    ["else"] = "keyword",
+    ["import"] = "keyword",
+    ["module"] = "keyword",
+    ["exposing"] = "keyword",
+    ["let"] = "keyword",
+    ["in"] = "keyword",
+    ["type"] = "keyword",
+    ["alias"] = "keyword",
+    ["port"] = "keyword",
+    ["and"] = "keyword",
+    ["or"] = "keyword",
+    ["xor"] = "keyword",
+    ["not"] = "keyword",
+    ["number"] = "keyword2",
+    ["Bool"] = "keyword2",
+    ["Char"] = "keyword2",
+    ["Float"] = "keyword2",
+    ["Int"] = "keyword2",
+    ["String"] = "keyword2",
+    ["True"] = "literal",
+    ["False"] = "literal",
+  },
+}