self.writer = new CodeWriter(compiler.files.last)
end
- # Force to get the primitive class named `name` or abort
- fun get_class(name: String): MClass do return self.compiler.mainmodule.get_primitive_class(name)
-
# Force to get the primitive property named `name` in the instance `recv` or abort
fun get_property(name: String, recv: MType): MMethod
do
fun native_array_def(pname: String, ret_type: nullable MType, arguments: Array[RuntimeVariable]) is abstract
+ # Return an element of a native array.
+ # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
+ fun native_array_get(native_array: RuntimeVariable, index: Int): RuntimeVariable is abstract
+
+ # Store an element in a native array.
+ # The method is unsafe and is just a direct wrapper for the specific implementation of native arrays
+ fun native_array_set(native_array: RuntimeVariable, index: Int, value: RuntimeVariable) is abstract
+
# Evaluate `args` as expressions in the call of `mpropdef` on `recv`.
# This method is used to manage varargs in signatures and returns the real array
# of runtime variables to use in the call.
var recv
var ctype = mtype.ctype
assert mtype.mclass.name != "NativeArray"
- if ctype == "val*" then
+ if not mtype.is_c_primitive then
recv = init_instance(mtype)
else if ctype == "char*" then
recv = new_expr("NULL/*special!*/", mtype)
end
end
+ # The currently processed module
+ #
+ # alias for `compiler.mainmodule`
+ fun mmodule: MModule do return compiler.mainmodule
+
# Generate an integer value
fun int_instance(value: Int): RuntimeVariable
do
- var res = self.new_var(self.get_class("Int").mclass_type)
- self.add("{res} = {value};")
+ var t = mmodule.int_type
+ var res = new RuntimeVariable("{value.to_s}l", t, t)
+ return res
+ end
+
+ # Generate a char value
+ fun char_instance(value: Char): RuntimeVariable
+ do
+ var t = mmodule.char_type
+ var res = new RuntimeVariable("'{value.to_s.escape_to_c}'", t, t)
+ return res
+ end
+
+ # Generate a float value
+ #
+ # FIXME pass a Float, not a string
+ fun float_instance(value: String): RuntimeVariable
+ do
+ var t = mmodule.float_type
+ var res = new RuntimeVariable("{value}", t, t)
return res
end
# Generate an integer value
fun bool_instance(value: Bool): RuntimeVariable
do
- var res = self.new_var(self.get_class("Bool").mclass_type)
- if value then
- self.add("{res} = 1;")
- else
- self.add("{res} = 0;")
- end
+ var s = if value then "1" else "0"
+ var res = new RuntimeVariable(s, bool_type, bool_type)
+ return res
+ end
+
+ # Generate the `null` value
+ fun null_instance: RuntimeVariable
+ do
+ var t = compiler.mainmodule.model.null_type
+ var res = new RuntimeVariable("((val*)NULL)", t, t)
return res
end
# Generate a string value
fun string_instance(string: String): RuntimeVariable
do
- var mtype = self.get_class("String").mclass_type
+ var mtype = mmodule.string_type
var name = self.get_name("varonce")
self.add_decl("static {mtype.ctype} {name};")
var res = self.new_var(mtype)
self.add("if (likely({name}!=NULL)) \{")
self.add("{res} = {name};")
self.add("\} else \{")
- var native_mtype = self.get_class("NativeString").mclass_type
+ var native_mtype = mmodule.native_string_type
var nat = self.new_var(native_mtype)
self.add("{nat} = \"{string.escape_to_c}\";")
var length = self.int_instance(string.length)
# Short name of the `ctype` to use in unions
fun ctypename: String do return "val"
+
+ # Is the associated C type a primitive one?
+ #
+ # ENSURE `result == (ctype != "val*")`
+ fun is_c_primitive: Bool do return false
end
redef class MClassType
- redef fun ctype: String
- do
+ redef var ctype is lazy do
if mclass.name == "Int" then
return "long"
else if mclass.name == "Bool" then
end
end
+ redef var is_c_primitive is lazy do return ctype != "val*"
+
redef fun ctype_extern: String
do
if mclass.kind == extern_kind then
if is_lazy then
var set
var ret = self.mpropdef.static_mtype
- var useiset = ret.ctype == "val*" and not ret isa MNullableType
+ var useiset = not ret.is_c_primitive and not ret isa MNullableType
var guard = self.mlazypropdef.mproperty
if useiset then
set = v.isset_attribute(self.mpropdef.mproperty, recv)
v.assign(res, value)
if not useiset then
- var true_v = v.new_expr("1", v.bool_type)
+ var true_v = v.bool_instance(true)
v.write_attribute(guard, arguments.first, true_v)
end
v.add("\}")
v.write_attribute(self.mpropdef.mproperty, arguments.first, arguments[1])
if is_lazy then
var ret = self.mpropdef.static_mtype
- var useiset = ret.ctype == "val*" and not ret isa MNullableType
+ var useiset = not ret.is_c_primitive and not ret isa MNullableType
if not useiset then
- v.write_attribute(self.mlazypropdef.mproperty, arguments.first, v.new_expr("1", v.bool_type))
+ v.write_attribute(self.mlazypropdef.mproperty, arguments.first, v.bool_instance(true))
end
end
else
end
redef class AIntExpr
- redef fun expr(v) do return v.new_expr("{self.value.to_s}", self.mtype.as(not null))
+ redef fun expr(v) do return v.int_instance(self.value.as(not null))
end
redef class AFloatExpr
- redef fun expr(v) do return v.new_expr("{self.n_float.text}", self.mtype.as(not null)) # FIXME use value, not n_float
+ redef fun expr(v) do return v.float_instance("{self.n_float.text}") # FIXME use value, not n_float
end
redef class ACharExpr
- redef fun expr(v) do return v.new_expr("'{self.value.to_s.escape_to_c}'", self.mtype.as(not null))
+ redef fun expr(v) do return v.char_instance(self.value.as(not null))
end
redef class AArrayExpr
redef class ASuperstringExpr
redef fun expr(v)
do
- var array = new Array[RuntimeVariable]
+ var type_string = mtype.as(not null)
+
+ # Collect elements of the superstring
+ var array = new Array[AExpr]
for ne in self.n_exprs do
+ # Drop literal empty string.
+ # They appears in things like "{a}" that is ["", a, ""]
if ne isa AStringFormExpr and ne.value == "" then continue # skip empty sub-strings
- var i = v.expr(ne, null)
- array.add(i)
+ array.add(ne)
end
- var a = v.array_instance(array, v.object_type)
- var res = v.send(v.get_property("to_s", a.mtype), [a])
+
+ # The native array that will contains the elements to_s-ized.
+ # For fast concatenation.
+ var a = v.native_array_instance(type_string, v.int_instance(array.length))
+
+ # Stringify the elements and put them in the native array
+ var to_s_method = v.get_property("to_s", v.object_type)
+ for i in [0..array.length[ do
+ var ne = array[i]
+ var e = v.expr(ne, null)
+ # Skip the `to_s` if the element is already a String
+ if not e.mcasttype.is_subtype(v.compiler.mainmodule, null, type_string) then
+ e = v.send(to_s_method, [e]).as(not null)
+ end
+ v.native_array_set(a, i, e)
+ end
+
+ # Fast join the native string to get the result
+ var res = v.send(v.get_property("native_to_s", a.mtype), [a])
return res
end
end
end
redef class ATrueExpr
- redef fun expr(v) do return v.new_expr("1", self.mtype.as(not null))
+ redef fun expr(v) do return v.bool_instance(true)
end
redef class AFalseExpr
- redef fun expr(v) do return v.new_expr("0", self.mtype.as(not null))
+ redef fun expr(v) do return v.bool_instance(false)
end
redef class ANullExpr
- redef fun expr(v) do return v.new_expr("NULL", self.mtype.as(not null))
+ redef fun expr(v) do return v.null_instance
end
redef class AIsaExpr
var i = v.expr(self.n_expr, null)
if v.compiler.modelbuilder.toolcontext.opt_no_check_assert.value then return i
- if i.mtype.ctype != "val*" then return i
+ if i.mtype.is_c_primitive then return i
v.add("if (unlikely({i} == NULL)) \{")
v.add_abort("Cast failed")
nitlanguage / nit.git / blobdiff