hphp/test/quick/exceptions.php

   1 <?hh
   2
   3 class Ex1 extends Exception {
   4 }
   5
   6 class Ex2 extends Exception {
   7 }
   8
   9 class Ex3 extends Exception {
  10 }
  11
  12 function bar($a) {
  13   print "bar $a\n";
  14   $b = array(1, 2);
  15   foreach($b as $c) {
  16     if ($a == 0) {
  17       throw new Ex1();
  18     } else if ($a == 2) {
  19       throw new Ex2();
  20     } else if ($a == 3) {
  21       throw new Ex3();
  22     }
  23   }
  24 }
  25
  26 function foo2($a) {
  27   try {
  28     call_user_func("bar", $a);
  29   } catch (Ex1 $e) {
  30     print "caught 1\n";
  31   }
  32 }
  33
  34 function foo1($a) {
  35   foo2($a);
  36 }
  37
  38 function foo($a) {
  39   foo1($a);
  40 }
  41
  42 function main1() {
  43   $a = array(0, 1, 2);
  44   $b = array(0);
  45
  46   foreach ($b as $c) {
  47     try {
  48       array_map("foo", $a);
  49     } catch (Ex2 $e) {
  50       print "caught 2\n";
  51     }
  52   }
  53
  54   try {
  55     foreach (array(1,2,3) as $_) {
  56       echo "before\n";
  57       throw new Exception();
  58       echo "after\n";
  59     }
  60   } catch (Exception $e) {
  61     echo "caught\n";
  62   }
  63 }
  64 main1();
  65
  66 class A {
  67   function __construct() {
  68     throw new Exception();
  69   }
  70 }
  71
  72 function main2() {
  73   try {
  74     call_user_func("hphp_create_object", "A", NULL);
  75   } catch (Exception $e) {
  76     print "caught exception\n";
  77   }
  78 }
  79 main2();
  80
  81 class Ex4 extends Ex3 {
  82   function __construct($s) {
  83     var_dump($s);
  84     var_dump($this->getTraceAsString());
  85   }
  86 }
  87 function a() {
  88   return b();
  89 }
  90 function b() {
  91   return c();
  92 }
  93 function c() {
  94   $e = new Exception();
  95   var_dump($e->getTraceAsString());
  96   return new Ex4('hello, exception');
  97 }
  98 function main3() {
  99   $e = a();
 100   printf("Exception from %s:%d\n", $e->getFile(), $e->getLine());
 101   var_dump($e->getTraceAsString());
 102
 103   $b = array(3);
 104   try {
 105     array_map("foo", $b);
 106   } catch (Ex3 $e) {
 107     print "caught 3\n";
 108     throw $e;
 109   }
 110 }
 111 main3();
 112