Comments: switch from (( to /* delimiters

Double parentheses turned out to conflict too often with normal code. I guess sometimes I shouldn't try to make my own syntax up.

anselme/parser/expression/comment.lua

@@ -3,20 +3,20 @@ local primary = require("anselme.parser.expression.primary.primary")
 local comment
 comment = primary {
 	match = function(self, str)
-		return str:match("^%(%(")
+		return str:match("^%/%*")
 	end,
 	parse = function(self, source, str, limit_pattern)
-		local rem = source:consume(str:match("^(%(%()(.*)$"))
+		local rem = source:consume(str:match("^(%/%*)(.*)$"))
 
 		local content_list = {}
-		while not rem:match("^%)%)") do
+		while not rem:match("^%*%/") do
 			local content
-			content, rem = rem:match("^([^%(%)]*)(.-)$")
+			content, rem = rem:match("^([^%/%*]*)(.-)$")
 
 			-- cut the text prematurely at limit_pattern if relevant
 			if limit_pattern and content:match(limit_pattern) then
 				local pos = content:match("()"..limit_pattern) -- limit_pattern can contain $, so can't directly extract with captures
-				content, rem = source:count(content:sub(1, pos-1)), ("))%s%s"):format(content:sub(pos), rem)
+				content, rem = source:count(content:sub(1, pos-1)), ("*/%s%s"):format(content:sub(pos), rem)
 				source:increment(-2)
 			else
 				source:count(content)
@@ -25,30 +25,30 @@ comment = primary {
 			table.insert(content_list, content)
 
 			-- nested comment
-			if rem:match("^%(%(") then
+			if rem:match("^%/%*") then
 				local subcomment
 				subcomment, rem = comment:parse(source, rem, limit_pattern)
 
-				table.insert(content_list, "((")
+				table.insert(content_list, "/*")
 				table.insert(content_list, subcomment)
-				table.insert(content_list, "))")
+				table.insert(content_list, "*/")
 			-- no end token after the comment
-			elseif not rem:match("^%)%)") then
+			elseif not rem:match("^%*%/") then
-				-- single ) or (, keep on commentin'
+				-- single * or /, keep on commentin'
-				if rem:match("^[%)%(]") then
+				if rem:match("^[%*%/]") then
 					local s
-					s, rem = source:count(rem:match("^([%)%(])(.-)$"))
+					s, rem = source:count(rem:match("^([%*%/])(.-)$"))
 					table.insert(content_list, s)
 				-- anything other than end-of-line
 				elseif rem:match("[^%s]") then
 					error(("unexpected %q at end of comment"):format(rem), 0)
 				-- consumed everything until end-of-line, close your eyes and imagine the text has been closed
 				else
-					rem = rem .. "))"
+					rem = rem .. "*/"
 				end
 			end
 		end
-		rem = source:consume(rem:match("^(%)%))(.*)$"))
+		rem = source:consume(rem:match("^(%*%/)(.*)$"))
 
 		return table.concat(content_list, ""), rem
 	end

anselme/stdlib/script_script.lua

@@ -51,7 +51,7 @@ return [[
 	s.current checkpoint = ()
 	@s!
 
-((Additionnal helpers))
+/*Additionnal helpers*/
 :@$ cycle(l::tuple)
 	:i = 2
 	i <= l!len ~?

test/tests/comment.ans

@@ -1,9 +1,9 @@
-((hey couic + 5))
+/*hey couic + 5*/
 
-((nested ((comments)) d))
+/*nested /*comments*/ d*/
 
-2 ((end of line))
+2 /*end of line*/
 
-((start of line)) 3
+/*start of line*/ 3
 
-5 + ((middle)) 3
+5 + /*middle*/ 3