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/*
* Copyright (C)2005-2012 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package python.internal;
import python.lib.Functools;
@:allow(Array)
class ArrayImpl {
@:ifFeature("dynamic_read.length", "anon_optional_read.length")
public static inline function get_length <T>(x:Array<T>):Int return UBuiltins.len(x);
@:ifFeature("dynamic_read.concat", "anon_optional_read.concat")
public static inline function concat<T>(a1:Array<T>, a2 : Array<T>) : Array<T> {
return Syntax.binop(a1, "+", a2);
}
@:ifFeature("dynamic_read.copy", "anon_optional_read.copy")
public static inline function copy<T>(x:Array<T>) : Array<T> {
return UBuiltins.list(x);
}
@:ifFeature("dynamic_read.iterator", "anon_optional_read.iterator")
public static inline function iterator<T>(x:Array<T>) : Iterator<T> {
return new HaxeIterator(Syntax.callField(x, "__iter__"));
}
@:ifFeature("dynamic_read.indexOf", "anon_optional_read.indexOf")
public static function indexOf<T>(a:Array<T>, x : T, ?fromIndex:Int) : Int {
var len = a.length;
var l =
if (fromIndex == null) 0
else if (fromIndex < 0) len + fromIndex
else fromIndex;
if (l < 0) l = 0;
for (i in l...len) {
if (unsafeGet(a,i) == x) return i;
}
return -1;
}
@:ifFeature("dynamic_read.lastIndexOf", "anon_optional_read.lastIndexOf")
public static function lastIndexOf<T>(a:Array<T>, x : T, ?fromIndex:Int) : Int {
var len = a.length;
var l =
if (fromIndex == null) len
else if (fromIndex < 0) len + fromIndex + 1
else fromIndex+1;
if (l > len) l = len;
while (--l > -1) {
if (unsafeGet(a,l) == x) return l;
}
return -1;
}
@:access(python.Boot)
@:ifFeature("dynamic_read.join", "anon_optional_read.join")
public static inline function join<T>(x:Array<T>, sep : String ) : String {
return Boot.arrayJoin(x, sep);
}
@:ifFeature("dynamic_read.toString", "anon_optional_read.toString")
public static inline function toString<T>(x:Array<T>) : String {
return "[" + join(x, ",") + "]";
}
@:ifFeature("dynamic_read.pop", "anon_optional_read.pop")
public static inline function pop<T>(x:Array<T>) : Null<T> {
return if (x.length == 0) null else Syntax.callField(x, "pop");
}
@:ifFeature("dynamic_read.push", "anon_optional_read.push")
public static inline function push<T>(x:Array<T>, e:T) : Int {
Syntax.callField(x, "append", e);
return x.length;
}
@:ifFeature("dynamic_read.unshift", "anon_optional_read.unshift")
public static inline function unshift<T>(x:Array<T>,e : T) : Void {
x.insert(0,e);
}
@:ifFeature("dynamic_read.remove", "anon_optional_read.remove")
public static function remove<T>(x:Array<T>,e : T) : Bool {
try {
Syntax.callField(x, "remove", e);
return true;
} catch (e:Dynamic) {
return false;
}
}
@:ifFeature("dynamic_read.shift", "anon_optional_read.shift")
public static inline function shift<T>(x:Array<T>) : Null<T> {
if (x.length == 0) return null;
return Syntax.callField(x, "pop", 0);
}
@:ifFeature("dynamic_read.slice", "anon_optional_read.slice")
public static inline function slice<T>(x:Array<T>, pos : Int, ?end : Int ) : Array<T> {
return Syntax.arrayAccess(x, pos, end);
}
@:ifFeature("dynamic_read.sort", "anon_optional_read.sort")
public static inline function sort<T>(x:Array<T>, f:T->T->Int) : Void {
Syntax.callNamedUntyped(Syntax.field(x, "sort"), { key : Functools.cmp_to_key(f) });
}
@:ifFeature("dynamic_read.splice", "anon_optional_read.splice")
public static inline function splice<T>(x:Array<T>, pos : Int, len : Int ) : Array<T> {
if (pos < 0) pos = x.length+pos;
if (pos < 0) pos = 0;
var res = Syntax.arrayAccess(x, pos, pos+len);
Syntax.delete((Syntax.arrayAccess(x, pos, pos+len)));
return res;
}
@:ifFeature("dynamic_read.map", "anon_optional_read.map")
public static inline function map<S,T>(x:Array<T>, f : T -> S) : Array<S> {
return UBuiltins.list(UBuiltins.map(f, cast x));
}
@:ifFeature("dynamic_read.filter", "anon_optional_read.filter")
public static inline function filter<T>(x:Array<T>, f : T -> Bool) : Array<T> {
return UBuiltins.list(UBuiltins.filter(f, cast x));
}
@:ifFeature("dynamic_read.insert", "anon_optional_read.insert")
public static inline function insert<T>(a:Array<T>, pos : Int, x : T ) : Void {
Syntax.callField(a, "insert", pos, x);
}
@:ifFeature("dynamic_read.reverse", "anon_optional_read.reverse")
public static inline function reverse<T>(a:Array<T>) : Void {
Syntax.callField(a, "reverse");
}
@:ifFeature("array_read")
private static inline function _get<T>(x:Array<T>, idx:Int):T {
return if (idx > -1 && idx < x.length) unsafeGet(x, idx) else null;
}
@:ifFeature("array_write")
private static inline function _set<T>(x:Array<T>, idx:Int, v:T):T {
var l = x.length;
while (l < idx) {
x.push(null);
l+=1;
}
if (l == idx) {
x.push(v);
} else {
Syntax.assign(Syntax.arrayAccess(x, idx), v);
}
return v;
}
public static inline function unsafeGet<T>(x:Array<T>,idx:Int):T {
return Syntax.arrayAccess(x, idx);
}
public static inline function unsafeSet<T>(x:Array<T>,idx:Int, val:T):T {
Syntax.assign(Syntax.arrayAccess(x, idx), val);
return val;
}
}
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