numbers can start with .

Author: leafo

moonscript/parse.lua

@@ -52,7 +52,10 @@ local _Name = C(R("az", "AZ", "__") * AlphaNum^0)
 local Name = Space * _Name
 
 local Num = P"0x" * R("09", "af", "AF")^1 +
-	R"09"^1 * (P"." * R"09"^1)^-1 * (S"eE" * P"-"^-1 * R"09"^1)^-1
+	(
+		R"09"^1 * (P"." * R"09"^1)^-1 +
+		P"." * R"09"^1
+	) * (S"eE" * P"-"^-1 * R"09"^1)^-1
 
 Num = Space * (Num / function(value) return {"number", value} end)
 

tests/inputs/literals.moon

@@ -11,6 +11,10 @@
 0xabcdef
 0xABCDEF
 
+.2323
+.2323e-1
+.2323e13434
+
 [[ hello world ]]
 
 [=[ hello world ]=]

tests/outputs/literals.lua

@@ -7,6 +7,9 @@ _ = 0x12323
 _ = 0xfF2323
 _ = 0xabcdef
 _ = 0xABCDEF
+_ = .2323
+_ = .2323e-1
+_ = .2323e13434
 _ = [[ hello world ]]
 _ = [=[ hello world ]=]
 _ = [====[ hello world ]====]