builtin: Implement builtin function any, all.

Author: corona10

builtin/builtin.go

@@ -19,8 +19,8 @@ func init(){
 py.MustNewMethod("__build_class__", builtin___build_class__, 0, build_class_doc),
 py.MustNewMethod("__import__", py.InternalMethodImport, 0, import_doc),
 py.MustNewMethod("abs", builtin_abs, 0, abs_doc),
-// py.MustNewMethod("all", builtin_all, 0, all_doc),
-// py.MustNewMethod("any", builtin_any, 0, any_doc),
+py.MustNewMethod("all", builtin_all, 0, all_doc),
+py.MustNewMethod("any", builtin_any, 0, any_doc),
 // py.MustNewMethod("ascii", builtin_ascii, 0, ascii_doc),
 // py.MustNewMethod("bin", builtin_bin, 0, bin_doc),
 // py.MustNewMethod("callable", builtin_callable, 0, callable_doc),
@@ -225,6 +225,63 @@ func builtin_abs(self, v py.Object) (py.Object, error){
 returnpy.Abs(v)
 }
 
+constall_doc=`all(iterable) -> bool
+
+Return True if bool(x) is True for all values x in the iterable.
+If the iterable is empty, return True.
+`
+
+funcbuiltin_all(self, seq py.Object) (py.Object, error){
+iter, err:=py.Iter(seq)
+res:=false
+iferr!=nil{
+returnnil, err
+ }
+for{
+item, err:=py.Next(iter)
+iferr!=nil{
+ifpy.IsException(py.StopIteration, err){
+break
+ }
+returnnil, err
+ }
+ifpy.ObjectIsTrue(item){
+res=true
+ } else{
+res=false
+break
+ }
+ }
+returnpy.NewBool(res), nil
+}
+
+constany_doc=`any(iterable) -> bool
+
+Return True if bool(x) is True for any x in the iterable.
+If the iterable is empty, Py_RETURN_FALSE."`
+
+funcbuiltin_any(self, seq py.Object) (py.Object, error){
+iter, err:=py.Iter(seq)
+res:=false
+iferr!=nil{
+returnnil, err
+ }
+for{
+item, err:=py.Next(iter)
+iferr!=nil{
+ifpy.IsException(py.StopIteration, err){
+break
+ }
+returnnil, err
+ }
+ifpy.ObjectIsTrue(item){
+res=true
+break
+ }
+ }
+returnpy.NewBool(res), nil
+}
+
 constround_doc=`round(number[, ndigits]) -> number
 
 Round a number to a given precision in decimal digits (default 0 digits).

builtin/tests/builtin.py

@@ -3,6 +3,18 @@
 assertabs(10) ==10
 assertabs(-10) ==10
 
+doc="all"
+assertall((0,0,0)) ==False
+assertall((1,1,0)) ==False
+assertall(["hello", "world"]) ==True
+assertall([]) ==False
+
+doc="any"
+assertany((0,0,0)) ==False
+assertany((1,1,0)) ==True
+assertany(["hello", "world"]) ==True
+assertany([]) ==False
+
 doc="chr"
 assertchr(65) =="A"
 assertchr(163) =="£"

py/object.go

@@ -17,3 +17,27 @@ func ObjectRepr(o Object) Object{
 // FIXME
 returnString(fmt.Sprintf("<%s %v>", o.Type().Name, o))
 }
+
+// Return whether the object is True or not
+funcObjectIsTrue(oObject) bool{
+ifo==True{
+returntrue
+ }
+ifo==False{
+returnfalse
+ }
+
+ifo==None{
+returnfalse
+ }
+
+ifI, ok:=o.(I__bool__); ok{
+cmp, err:=I.M__bool__()
+iferr==nil&&cmp==True{
+returntrue
+ } elseiferr==nil&&cmp==False{
+returnfalse
+ }
+ }
+returnfalse
+}