1 files changed, 112 insertions, 0 deletions
diff --git a/plugins/language_csharp.lua b/plugins/language_csharp.lua
new file mode 100644
index 0000000..5e790e3
--- /dev/null
+++ b/plugins/language_csharp.lua
@@ -0,0 +1,112 @@
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = "%.cs$",
+  comment = "//",
+  patterns = {
+    { pattern = "//.-\n",                   type = "comment"  },
+    { pattern = { "/%*", "%*/" },           type = "comment"  },
+    { pattern = { '"', '"', '\\' },         type = "string"   },
+    { pattern = { "[%$%@]?\"", '"', '\\' }, type = "string"   }, -- string interpolation and verbatim
+    { pattern = "'\\x%x?%x?%x?%x'",         type = "string"   }, -- character hexadecimal escape sequence
+    { pattern = "'\\u%x%x%x%x'",            type = "string"   }, -- character unicode escape sequence
+    { pattern = "'\\?.'",                   type = "string"   }, -- character literal
+    { pattern = "-?0x%x+",                  type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*f?",         type = "number"   },
+    { pattern = "-?%.?%d+f?",               type = "number"   },
+    { pattern = "[%+%-=/%*%^%%<>!~|&]",     type = "operator" },
+    { pattern = "%?%?",                     type = "operator" }, -- ?? null-coalescing
+    { pattern = "%?%.",                     type = "operator" }, -- ?. null-conditional
+    { pattern = "[%a_][%w_]*%f[(]",         type = "function" },
+    { pattern = "[%a_][%w_]*",              type = "symbol"   },
+  },
+  symbols = {
+    -- keywords
+    ["abstract"]   = "keyword",
+    ["as"]         = "keyword",
+    ["await"]      = "keyword",
+    ["base"]       = "keyword",
+    ["break"]      = "keyword",
+    ["case"]       = "keyword",
+    ["catch"]      = "keyword",
+    ["checked"]    = "keyword",
+    ["class"]      = "keyword",
+    ["const"]      = "keyword",
+    ["continue"]   = "keyword",
+    ["default"]    = "keyword",
+    ["delegate"]   = "keyword",
+    ["do"]         = "keyword",
+    ["else"]       = "keyword",
+    ["enum"]       = "keyword",
+    ["event"]      = "keyword",
+    ["explicit"]   = "keyword",
+    ["extern"]     = "keyword",
+    ["finally"]    = "keyword",
+    ["fixed"]      = "keyword",
+    ["for"]        = "keyword",
+    ["foreach"]    = "keyword",
+    ["get"]        = "keyword",
+    ["goto"]       = "keyword",
+    ["if"]         = "keyword",
+    ["implicit"]   = "keyword",
+    ["in"]         = "keyword",
+    ["interface"]  = "keyword",
+    ["internal"]   = "keyword",
+    ["is"]         = "keyword",
+    ["lock"]       = "keyword",
+    ["namespace"]  = "keyword",
+    ["new"]        = "keyword",
+    ["operator"]   = "keyword",
+    ["out"]        = "keyword",
+    ["override"]   = "keyword",
+    ["params"]     = "keyword",
+    ["private"]    = "keyword",
+    ["protected"]  = "keyword",
+    ["public"]     = "keyword",
+    ["readonly"]   = "keyword",
+    ["ref"]        = "keyword",
+    ["return"]     = "keyword",
+    ["sealed"]     = "keyword",
+    ["set"]        = "keyword",
+    ["sizeof"]     = "keyword",
+    ["stackalloc"] = "keyword",
+    ["static"]     = "keyword",
+    ["struct"]     = "keyword",
+    ["switch"]     = "keyword",
+    ["this"]       = "keyword",
+    ["throw"]      = "keyword",
+    ["try"]        = "keyword",
+    ["typeof"]     = "keyword",
+    ["unchecked"]  = "keyword",
+    ["unsafe"]     = "keyword",
+    ["using"]      = "keyword",
+    ["var"]        = "keyword",
+    ["virtual"]    = "keyword",
+    ["void"]       = "keyword",
+    ["volatile"]   = "keyword",
+    ["where"]      = "keyword",
+    ["while"]      = "keyword",
+    ["yield"]      = "keyword",
+    -- types
+    ["bool"]       = "keyword2",
+    ["byte"]       = "keyword2",
+    ["char"]       = "keyword2",
+    ["decimal"]    = "keyword2",
+    ["double"]     = "keyword2",
+    ["float"]      = "keyword2",
+    ["int"]        = "keyword2",
+    ["long"]       = "keyword2",
+    ["object"]     = "keyword2",
+    ["sbyte"]      = "keyword2",
+    ["short"]      = "keyword2",
+    ["string"]     = "keyword2",
+    ["uint"]       = "keyword2",
+    ["ulong"]      = "keyword2",
+    ["ushort"]     = "keyword2",
+    -- literals
+    ["true"]       = "literal",
+    ["false"]      = "literal",
+    ["null"]       = "literal",
+  },
+}
+