hphp/test/quick/hh_closure_return_type_this_3.php

   1 <?hh
   2
   3
   4 error_reporting(-1);
   5 function handler($errno, $errmsg) {
   6   $pos = strpos($errmsg, ", Closure");
   7   if ($pos !== false) {
   8     $errmsg = substr($errmsg, 0, $pos) . ", Closure given";
   9   }
  10   if ($errno === E_RECOVERABLE_ERROR) {
  11     throw new Exception($errmsg);
  12   } else if ($errno === E_WARNING) {
  13     echo "Triggered E_WARNING: $errmsg\n";
  14   } else if ($errno === E_NOTICE) {
  15     echo "Triggered E_NOTICE: $errmsg\n";
  16   } else {
  17     return false;
  18   }
  19 }
  20 set_error_handler('handler');
  21
  22 type my_t = int;
  23
  24 function f1() { return function ($p) { return $p; }; }
  25 function f2() { return function ($p): int { return $p; }; }
  26 function f2_soft() { return function ($p): @int { return $p; }; }
  27 function f3() { return function ($p): string { return $p; }; }
  28 function f3_soft() { return function ($p): @string { return $p; }; }
  29 function f4() { return function ($p): bool { return $p; }; }
  30 function f4_soft() { return function ($p): @bool { return $p; }; }
  31 function f5() { return function ($p): float { return $p; }; }
  32 function f5_soft() { return function ($p): @float { return $p; }; }
  33 function f6() { return function ($p): resource { return $p; }; }
  34 function f6_soft() { return function ($p): @resource { return $p; }; }
  35 function f7() { return function ($p): array { return $p; }; }
  36 function f7_soft() { return function ($p): @array { return $p; }; }
  37 function f8() { return function ($p): callable { return $p; }; }
  38 function f8_soft() { return function ($p): @callable { return $p; }; }
  39 function f9() { return function ($p): Figure { return $p; }; }
  40 function f9_soft() { return function ($p): @Figure { return $p; }; }
  41 function f10() { return function ($p): Square { return $p; }; }
  42 function f10_soft() { return function ($p): @Square { return $p; }; }
  43 function f11() { return function ($p): :div { return $p; }; }
  44 function f11_soft() { return function ($p): @:div { return $p; }; }
  45 function f12() { return function ($p): Fractal<Square> { return $p; }; }
  46 function f12_soft() { return function ($p): @Fractal<Square> { return $p; }; }
  47 function f13<T>() { return function ($p): Fractal<T> { return $p; }; }
  48 function f13_soft<T>() { return function ($p): @Fractal<T> { return $p; }; }
  49 function f14() { return function ($p): my_t { return $p; }; }
  50 function f14_soft() { return function ($p): @my_t { return $p; }; }
  51 function f15() { return function ($p): void { return $p; }; }
  52 function f15_soft() { return function ($p): @void { return $p; }; }
  53 function f16() { return function ($p): mixed { return $p; }; }
  54 function f16_soft() { return function ($p): @mixed { return $p; }; }
  55 function f17() { return function ($p): ?int { return $p; }; }
  56 function f17_soft() { return function ($p): @?int { return $p; }; }
  57 function f18() { return function ($p): (string, int) { return $p; }; }
  58 function f18_soft() { return function ($p): @(string, int) { return $p; }; }
  59 function f19() { return function ($p): (function(int): int) { return $p; }; }
  60 function f19_soft() {
  61   return function ($p): @(function(int): int) { return $p; };
  62 }
  63 function f20() { return function ($p): callable { return $p; }; }
  64 function f20_soft() { return function ($p): @callable { return $p; }; }
  65
  66 class Figure {}
  67 class Square extends Figure {}
  68 class Fractal<T> extends Figure {}
  69 class :div {}
  70
  71 class A {}
  72 class B extends A {
  73   public function f21() { return function (): this { return $this; }; }
  74   public function f21_soft() { return function (): @this { return $this; }; }
  75   public function f22() { return function ($p): this { return $p; }; }
  76   public function f22_soft() { return function ($p): @this { return $p; }; }
  77   public static function f23() { return function ($p): self { return $p; }; }
  78   public static function f23_soft() {
  79     return function ($p): @self { return $p; };
  80   }
  81   public static function f24() { return function ($p): parent { return $p; }; }
  82   public static function f24_soft() {
  83     return function ($p): @parent { return $p; };
  84   }
  85   public static function testfunc() {}
  86 }
  87 class C extends B {}
  88
  89 function testfunc() {}
  90
  91 function call_wrapper($fn, $arg) {
  92   try {
  93     $fn($arg);
  94   } catch (Exception $e) {
  95     echo "Caught exception: " . $e->getMessage() . "\n";
  96   }
  97 }
  98
  99 function main() {
 100   for ($i = 1; $i <= 20; $i++) {
 101     foreach (array('', '_soft') as $suffix) {
 102       if ($suffix !== '' && $i === 1) {
 103         // f1_soft() does not exist
 104         continue;
 105       }
 106       $f = 'f' . $i . $suffix;
 107       echo "\ncalling $f\n";
 108       call_wrapper($f(), null);
 109       call_wrapper($f(), 42);
 110       call_wrapper($f(), 'foobar');
 111       call_wrapper($f(), true);
 112       call_wrapper($f(), 14.1);
 113       call_wrapper($f(), imagecreate(10, 10));
 114       call_wrapper($f(), array());
 115       call_wrapper($f(), function($x){return $x*$x;});
 116       call_wrapper($f(), new Figure());
 117       call_wrapper($f(), new Square());
 118       call_wrapper($f(), new Fractal());
 119       call_wrapper($f(), <div/>);
 120       call_wrapper($f(), 'testfunc');
 121       call_wrapper($f(), array('C', 'testfunc'));
 122     }
 123   }
 124
 125   $c = new C();
 126   echo "\ncalling f21\n";
 127   try {
 128     $f = $c->f21();
 129     $f();
 130   } catch (Exception $e) {
 131     echo "Caught exception: " . $e->getMessage() . "\n";
 132   }
 133   try {
 134     $f = $c->f21_soft();
 135     $f();
 136   } catch (Exception $e) {
 137     echo "Caught exception: " . $e->getMessage() . "\n";
 138   }
 139
 140   $callbacks = Map {
 141     'f22' => array($c, 'f22'),
 142     'f22_soft' => array($c, 'f22_soft'),
 143     'f23' => array('C', 'f23'),
 144     'f23_soft' => array('C', 'f23_soft'),
 145     'f24' => array('C', 'f24'),
 146     'f24_soft' => array('C', 'f24_soft')
 147   };
 148   foreach ($callbacks as $name => $f) {
 149     echo "\ncalling $name\n";
 150     call_wrapper($f(), null);
 151     call_wrapper($f(), 42);
 152     call_wrapper($f(), 'foobar');
 153     call_wrapper($f(), true);
 154     call_wrapper($f(), 14.1);
 155     call_wrapper($f(), imagecreate(10, 10));
 156     call_wrapper($f(), array());
 157     call_wrapper($f(), function($x){return $x*$x;});
 158     call_wrapper($f(), new Figure());
 159     call_wrapper($f(), new Square());
 160     call_wrapper($f(), new Fractal());
 161     call_wrapper($f(), <div/>);
 162     call_wrapper($f(), new A());
 163     call_wrapper($f(), new B());
 164     call_wrapper($f(), new C());
 165   }
 166   echo "Done\n";
 167 }
 168 main();