Adds marked, [0x] refs, and hex numbers to SDQL

code/modules/admin/verbs/SDQL2/SDQL_2.dm

@@ -367,6 +367,20 @@
 		v = object
 	else if(expression[start] == "usr")
 		v = usr
+	else if(expression[start] == "marked")
+		if(usr.client && usr.client.holder && usr.client.holder.marked_datum)
+			v = usr.client.holder.marked_datum
+		else
+			return null
+	else if(expression[start] == "\[" && start < expression.len)
+		if(lowertext(copytext(expression[start + 1], 1, 3)) != "0x")
+			usr << "<span class='danger'>Invalid ref syntax: [expression[start + 1]]</span>"
+			return null
+		v = locate("\[[expression[start + 1]]\]")
+		if(!v)
+			usr << "<span class='danger'>Invalid ref: [expression[start + 1]]</span>"
+			return null
+		start++
 	else
 		return null
 
@@ -378,7 +392,7 @@
 /proc/SDQL2_tokenize(query_text)
 
 	var/list/whitespace = list(" ", "\n", "\t")
-	var/list/single = list("(", ")", ",", "+", "-", ".", ";")
+	var/list/single = list("(", ")", ",", "+", "-", ".", ";", "\[", "\]")
 	var/list/multi = list(
 					"=" = list("", "="),
 					"<" = list("", "=", ">"),

code/modules/admin/verbs/SDQL2/SDQL_2_parser.dm

@@ -25,7 +25,7 @@
 //
 //	assignments			:	assignment, [',' assignments]
 //	assignment			:	<variable name> '=' expression
-//	variable			:	<variable name> | <variable name> '.' variable
+//	variable			:	<variable name> | <variable name> '.' variable | '[' <hex number> ']' | '[' <hex number> ']' '.' variable
 //
 //	bool_expression		:	expression comparitor expression  [bool_operator bool_expression]
 //	expression			:	( unary_expression | '(' expression ')' | value ) [binary_operator expression]
@@ -336,6 +336,13 @@
 	variable(i, list/node)
 		var/list/L = list(token(i))
 		node[++node.len] = L
+		
+		if(token(i) == "\[")
+			L += token(i + 1)
+			i += 2
+
+			if(token(i) != "\]")
+				parse_error("Missing \] at end of reference.")
 
 		if(token(i + 1) == ".")
 			L += "."
@@ -519,7 +526,11 @@
 		if(token(i) == "null")
 			node += "null"
 			i++
-
+		
+		else if(lowertext(copytext(token(i), 1, 3)) == "0x" && isnum(hex2num(copytext(token(i), 3))))
+			node += hex2num(copytext(token(i), 3))
+			i++
+		
 		else if(isnum(text2num(token(i))))
 			node += text2num(token(i))
 			i++