lib/core: remove ascii method on Int and 'b' prefix
[nit.git] / src / interpreter / naive_interpreter.nit
index 89deea8..799c413 100644 (file)
@@ -325,7 +325,7 @@ class NaiveInterpreter
        do
                var instance = c_string_instance_len(txt.byte_length+1)
                var val = instance.val
-               val[txt.byte_length] = 0u8
+               val[txt.byte_length] = 0
                txt.to_cstring.copy_to(val, txt.byte_length, 0, 0)
 
                return instance
@@ -341,6 +341,18 @@ class NaiveInterpreter
                return instance
        end
 
+       # Return a new C string instance sharing the same data space as `txt`
+       fun c_string_instance_fast_cstr(txt: CString, from: Int): Instance
+       do
+               var ncstr = txt.fast_cstring(from)
+               var t = mainmodule.c_string_type
+
+               var instance = new PrimitiveInstance[CString](t, ncstr)
+               init_instance_primitive(instance)
+
+               return instance
+       end
+
        # Return a new C string initialized of `length`
        fun c_string_instance_len(length: Int): PrimitiveInstance[CString]
        do
@@ -1177,10 +1189,10 @@ redef class AMethPropdef
                        var recvval = args.first.val.as(CString)
                        if pname == "[]" then
                                var arg1 = args[1].to_i
-                               return v.byte_instance(recvval[arg1])
+                               return v.int_instance(recvval[arg1])
                        else if pname == "[]=" then
                                var arg1 = args[1].to_i
-                               recvval[arg1] = args[2].val.as(Byte)
+                               recvval[arg1] = args[2].val.as(Int)
                                return null
                        else if pname == "copy_to" then
                                # sig= copy_to(dest: CString, length: Int, from: Int, to: Int)
@@ -1193,8 +1205,7 @@ redef class AMethPropdef
                        else if pname == "atoi" then
                                return v.int_instance(recvval.atoi)
                        else if pname == "fast_cstring" then
-                               var ns = recvval.fast_cstring(args[1].to_i)
-                               return v.c_string_instance(ns.to_s)
+                               return v.c_string_instance_fast_cstr(args[0].val.as(CString), args[1].to_i)
                        else if pname == "fetch_4_chars" then
                                return v.uint32_instance(args[0].val.as(CString).fetch_4_chars(args[1].to_i))
                        else if pname == "fetch_4_hchars" then
@@ -1980,8 +1991,9 @@ end
 redef class ACharExpr
        redef fun expr(v)
        do
-               if is_ascii then return v.byte_instance(self.value.as(not null).ascii)
-               if is_code_point then return v.int_instance(self.value.as(not null).code_point)
+               if is_code_point then
+                       return v.int_instance(self.value.as(not null).code_point)
+               end
                return v.char_instance(self.value.as(not null))
        end
 end