compiler: Updated toolchain for proper byte literal support

[nit.git] / src / literal.nit

diff --git a/src/literal.nit b/src/literal.nit
index 1d64458..f9b8b5f 100644 (file)
--- a/src/literal.nit
+++ b/src/literal.nit
@@ -146,6 +146,58 @@ redef class AOctIntExpr
        end
 end
 
+redef class AByteExpr
+       # The value of the literal int once computed.
+       var value: nullable Byte
+end
+
+redef class ADecByteExpr
+       redef fun accept_literal(v)
+       do
+               var t = self.n_bytenum.text
+               value = t.substring(0, t.length - 2).to_i.to_b
+       end
+end
+
+redef class AHexByteExpr
+       redef fun accept_literal(v)
+       do
+               var t = self.n_hex_bytenum.text
+               var s = t.substring(2, t.length - 4).remove_underscores
+               if s.is_empty then
+                       v.toolcontext.error(location, "Error: invalid hexadecimal literal")
+                       return
+               end
+               value = s.to_hex.to_b
+       end
+end
+
+redef class ABinByteExpr
+       redef fun accept_literal(v)
+       do
+               var t = self.n_bin_bytenum.text
+               var s = t.substring(2, t.length - 4).remove_underscores
+               if s.is_empty then
+                       v.toolcontext.error(location, "Error: invalid binary literal")
+                       return
+               end
+               value = s.to_bin.to_b
+       end
+end
+
+redef class AOctByteExpr
+       redef fun accept_literal(v)
+       do
+               var t = self.n_oct_bytenum.text
+               var s = t.substring(2, t.length - 4).remove_underscores
+               if s.is_empty then
+                       v.toolcontext.error(location, "Error: invalid octal literal")
+                       return
+               end
+               value = s.to_oct.to_b
+       end
+end
+
 redef class AFloatExpr
        # The value of the literal float once computed.
        var value: nullable Float