Add support for Ruby

Lua/Plugins/rb.lua

@@ -0,0 +1,155 @@
+-- Comments
+highlight_region("#"              , "", "comments", true)
+highlight_region("=begin"         , "=end", "comments", false)
+
+-- Strings
+highlight_region("\"", "\"", "string")
+highlight_region("'", "'", "string")
+
+-- Keywords
+--- basic
+highlight("BEGIN"                 , "reserved")
+highlight("END"                   , "reserved")
+highlight("alias"                 , "reserved")
+highlight("begin"                 , "reserved")
+highlight("class"                 , "reserved")
+highlight("module"                , "reserved")
+highlight("redo"                  , "reserved")
+highlight("rescue"                , "reserved")
+highlight("retry"                 , "reserved")
+highlight("return"                , "reserved")
+highlight("end"                   , "reserved")
+highlight("defined?"              , "reserved")
+highlight("self"                  , "reserved")
+highlight("require"               , "reserved")
+highlight("require_relative"      , "reserved")
+highlight("def"                   , "reserved")
+highlight("nil"                   , "reserved")
+highlight("ensure"                , "reserved")
+highlight("super"                 , "reserved")
+
+-- branching
+highlight("if"                    , "reserved")
+highlight("elsif"                 , "reserved")
+highlight("unless"                , "reserved")
+highlight("else"                  , "reserved")
+highlight("case"                  , "reserved")
+highlight("when"                  , "reserved")
+highlight("then"                  , "reserved")
+
+-- loops
+highlight("break"                 , "reserved")
+highlight("next"                  , "reserved")
+highlight("for"                   , "reserved")
+highlight("undef"                 , "reserved")
+highlight("do"                    , "reserved")
+highlight("until"                 , "reserved")
+highlight("while"                 , "reserved")
+highlight("loop"                  , "reserved")
+highlight("in"                  , "reserved")
+
+-- Binary keywords
+highlight("true"                  , "binary")
+highlight("false"                 , "binary")
+
+-- Binary Operator Keywords
+highlight("or"                    , "reserved")
+highlight("and"                   , "reserved")
+highlight("not"                   , "reserved")
+
+-- Normal operators
+-- binary singular
+highlight("+"                     , "operator")
+highlight("-"                     , "operator")
+highlight("*"                     , "operator")
+highlight("/"                     , "operator")
+highlight("%"                     , "operator")
+highlight("&"                     , "operator")
+highlight("|"                     , "operator")
+highlight("^"                     , "operator")
+
+-- binary multiple
+highlight("**"                    , "operator")
+highlight("<<"                    , "operator")
+highlight(">>"                    , "operator")
+highlight("&&"                    , "operator")
+highlight("||"                    , "operator")
+
+-- Assignment (abbreviated) operators
+highlight("+="                    , "operator")
+highlight("-="                    , "operator")
+highlight("*="                    , "operator")
+highlight("/="                    , "operator")
+highlight("%="                    , "operator")
+highlight("&="                    , "operator")
+highlight("|="                    , "operator")
+highlight("^="                    , "operator")
+highlight("&&="                   , "operator")
+highlight("**="                   , "operator")
+highlight("||="                   , "operator")
+highlight("<="                    , "operator")
+highlight(">="                    , "operator")
+highlight("=="                    , "operator")
+highlight("==="                   , "operator")
+highlight("!="                    , "operator")
+highlight("!=="                   , "operator")
+
+-- additional operators
+highlight("{"                     , "binary")
+highlight("}"                     , "binary")
+highlight("["                     , "binary")
+highlight("]"                     , "binary")
+
+-- Reserved words
+highlight("block_given?"          , "reserved")
+highlight("&block"                , "reserved")
+
+-- Comments
+add_comment("Fuck. You. - DHH")
+add_comment("Smart people underestimate the ordinarity of ordinary people. - Yukihiro Matsumoto ")
+add_comment("Plant a memory, plant a tree, do it today for tomorrow.")
+add_comment("Ruby’s original heresy was indeed to place the happiness of the programmer on a pedestal")
+add_comment("Don't forget to run Rubocop before pushing  🤖🚓💨")
+add_comment("Too weird for you? How about you shut up")
+add_comment("IDK what am I doing, but at least in Ruby it looks nice")
+
+function detect_functions(content)
+  local functionNames = {}
+
+  for line in content:gmatch("[^\r\n]+") do
+    -- Match the "def" keyword for regular functions
+    -- note that Ruby allows the ! and ? symbols at the end
+    -- of function definitions.
+
+    local functionName = line:match("def%s+([%w_(%?%!)]+)/?%s*%(")
+      or line:match(".%s+([%w_(%?%!)]+)/?%s*%(")
+
+    -- Although detected properly , AND being a part of the function name as a string,
+    -- the base editor does not detect functions with names ending in ! and ? properly for now.
+    -- Will open an issue.
+    -- - Shannarra
+    if functionName then
+      table.insert(functionNames  , functionName)
+    end
+  end
+
+  return functionNames
+end
+
+function detect_variables(content)
+  local variable_names = {
+    -- TODO: add variables here if you think of any.. Hmmge
+    "self"                        ,
+  }
+  local lines = content:gmatch("[^\r\n]+")
+
+  for line in lines do
+    local assignment = line:match("(%w+)%s*=%s*+")
+    if assignment then
+      local variable_name = assignment:match("(%w+)")
+      table.insert(variable_names , variable_name)
+    end
+  end
+
+  return variable_names
+end