fix(queries:properties): proper numeric values

Author: Rudxain

runtime/queries/properties/highlights.scm

@@ -15,11 +15,16 @@
 ((value) @constant.builtin.boolean
   (#any-of? @constant.builtin.boolean "true" "false" "enabled" "disabled"))
 
-((value) @constant.numeric.integer
-  (#match? @constant.numeric.integer "^-?[0-9]+$"))
-
 ((value) @constant.numeric.float
-  (#match? @constant.numeric.float "^-?[0-9]+\.[0-9]$"))
+  ; ASK: should "1." be considered `float`?
+  (#match? @constant.numeric.float "^[+-]?(([0-9]*\.[0-9]+(e[0-9]+)?)|([0-9]+e[0-9]+))$"))
+
+((value) @constant.numeric.integer
+  ; according to the Java spec, hex literals must represent a 64bit int;
+  ; overflow (too long) is considered an error.
+  ; however, since these are just strings,
+  ; a long hex-literal could represent a BigInt, so we allow it
+  (#match? @constant.numeric.integer "^([+-]?[0-9]+)|(0[xX][0-9a-fA-F]+)$"))
 
 ((value) @string.special.path
   (#match? @string.special.path "^(\.{1,2})?/"))