test/Analysis/nullability-notes.m

   1 // RUN: %clang_analyze_cc1 -fblocks -analyzer-checker=core,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullableDereferenced -analyzer-output=text -verify %s
   2 // RUN: %clang_analyze_cc1 -fblocks -analyzer-checker=core,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullableDereferenced -analyzer-output=plist -o %t.plist %s
   3 // RUN: FileCheck --input-file=%t.plist %s
   4
   5 #include "Inputs/system-header-simulator-for-nullability.h"
   6
   7 void takesNonnull(NSObject *_Nonnull y);
   8
   9 @interface ClassWithProperties: NSObject
  10 @property(copy, nullable) NSObject *x; // plist check ensures no control flow piece from here to 'self.x'.
  11 -(void) method;
  12 @end;
  13 @implementation ClassWithProperties
  14 -(void) method {
  15   // no-crash
  16   NSObject *x = self.x; // expected-note{{Nullability 'nullable' is inferred}}
  17   takesNonnull(x); // expected-warning{{Nullable pointer is passed to a callee that requires a non-null 1st parameter}}
  18                    // expected-note@-1{{Nullable pointer is passed to a callee that requires a non-null 1st parameter}}
  19 }
  20 @end
  21
  22 // CHECK:  <key>diagnostics</key>
  23 // CHECK-NEXT:  <array>
  24 // CHECK-NEXT:   <dict>
  25 // CHECK-NEXT:    <key>path</key>
  26 // CHECK-NEXT:    <array>
  27 // CHECK-NEXT:     <dict>
  28 // CHECK-NEXT:      <key>kind</key><string>control</string>
  29 // CHECK-NEXT:      <key>edges</key>
  30 // CHECK-NEXT:       <array>
  31 // CHECK-NEXT:        <dict>
  32 // CHECK-NEXT:         <key>start</key>
  33 // CHECK-NEXT:          <array>
  34 // CHECK-NEXT:           <dict>
  35 // CHECK-NEXT:            <key>line</key><integer>16</integer>
  36 // CHECK-NEXT:            <key>col</key><integer>3</integer>
  37 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  38 // CHECK-NEXT:           </dict>
  39 // CHECK-NEXT:           <dict>
  40 // CHECK-NEXT:            <key>line</key><integer>16</integer>
  41 // CHECK-NEXT:            <key>col</key><integer>10</integer>
  42 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  43 // CHECK-NEXT:           </dict>
  44 // CHECK-NEXT:          </array>
  45 // CHECK-NEXT:         <key>end</key>
  46 // CHECK-NEXT:          <array>
  47 // CHECK-NEXT:           <dict>
  48 // CHECK-NEXT:            <key>line</key><integer>16</integer>
  49 // CHECK-NEXT:            <key>col</key><integer>22</integer>
  50 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  51 // CHECK-NEXT:           </dict>
  52 // CHECK-NEXT:           <dict>
  53 // CHECK-NEXT:            <key>line</key><integer>16</integer>
  54 // CHECK-NEXT:            <key>col</key><integer>22</integer>
  55 // CHECK-NEXT:            <key>file</key><integer>0</integer>
  56 // CHECK-NEXT:           </dict>
  57 // CHECK-NEXT:          </array>
  58 // CHECK-NEXT:        </dict>
  59 // CHECK-NEXT:       </array>
  60 // CHECK-NEXT:     </dict>
  61 // CHECK-NEXT:     <dict>
  62 // CHECK-NEXT:      <key>kind</key><string>event</string>
  63 // CHECK-NEXT:      <key>location</key>
  64 // CHECK-NEXT:      <dict>
  65 // CHECK-NEXT:       <key>line</key><integer>16</integer>
  66 // CHECK-NEXT:       <key>col</key><integer>22</integer>
  67 // CHECK-NEXT:       <key>file</key><integer>0</integer>
  68 // CHECK-NEXT:      </dict>
  69 // CHECK-NEXT:      <key>ranges</key>
  70 // CHECK-NEXT:      <array>
  71 // CHECK-NEXT:        <array>
  72 // CHECK-NEXT:         <dict>
  73 // CHECK-NEXT:          <key>line</key><integer>16</integer>
  74 // CHECK-NEXT:          <key>col</key><integer>22</integer>
  75 // CHECK-NEXT:          <key>file</key><integer>0</integer>
  76 // CHECK-NEXT:         </dict>
  77 // CHECK-NEXT:         <dict>
  78 // CHECK-NEXT:          <key>line</key><integer>16</integer>
  79 // CHECK-NEXT:          <key>col</key><integer>22</integer>
  80 // CHECK-NEXT:          <key>file</key><integer>0</integer>
  81 // CHECK-NEXT:         </dict>
  82 // CHECK-NEXT:        </array>
  83 // CHECK-NEXT:      </array>
  84 // CHECK-NEXT:      <key>depth</key><integer>1</integer>
  85 // CHECK-NEXT:      <key>extended_message</key>
  86 // CHECK-NEXT:      <string>Nullability &apos;nullable&apos; is inferred</string>
  87 // CHECK-NEXT:      <key>message</key>
  88 // CHECK-NEXT:      <string>Nullability &apos;nullable&apos; is inferred</string>
  89 // CHECK-NEXT:     </dict>
  90 // CHECK-NEXT:     <dict>
  91 // CHECK-NEXT:      <key>kind</key><string>control</string>
  92 // CHECK-NEXT:      <key>edges</key>
  93 // CHECK-NEXT:       <array>
  94 // CHECK-NEXT:        <dict>
  95 // CHECK-NEXT:         <key>start</key>
  96 // CHECK-NEXT:          <array>
  97 // CHECK-NEXT:           <dict>
  98 // CHECK-NEXT:            <key>line</key><integer>16</integer>
  99 // CHECK-NEXT:            <key>col</key><integer>22</integer>
 100 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 101 // CHECK-NEXT:           </dict>
 102 // CHECK-NEXT:           <dict>
 103 // CHECK-NEXT:            <key>line</key><integer>16</integer>
 104 // CHECK-NEXT:            <key>col</key><integer>22</integer>
 105 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 106 // CHECK-NEXT:           </dict>
 107 // CHECK-NEXT:          </array>
 108 // CHECK-NEXT:         <key>end</key>
 109 // CHECK-NEXT:          <array>
 110 // CHECK-NEXT:           <dict>
 111 // CHECK-NEXT:            <key>line</key><integer>16</integer>
 112 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 113 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 114 // CHECK-NEXT:           </dict>
 115 // CHECK-NEXT:           <dict>
 116 // CHECK-NEXT:            <key>line</key><integer>16</integer>
 117 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 118 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 119 // CHECK-NEXT:           </dict>
 120 // CHECK-NEXT:          </array>
 121 // CHECK-NEXT:        </dict>
 122 // CHECK-NEXT:       </array>
 123 // CHECK-NEXT:     </dict>
 124 // CHECK-NEXT:     <dict>
 125 // CHECK-NEXT:      <key>kind</key><string>control</string>
 126 // CHECK-NEXT:      <key>edges</key>
 127 // CHECK-NEXT:       <array>
 128 // CHECK-NEXT:        <dict>
 129 // CHECK-NEXT:         <key>start</key>
 130 // CHECK-NEXT:          <array>
 131 // CHECK-NEXT:           <dict>
 132 // CHECK-NEXT:            <key>line</key><integer>16</integer>
 133 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 134 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 135 // CHECK-NEXT:           </dict>
 136 // CHECK-NEXT:           <dict>
 137 // CHECK-NEXT:            <key>line</key><integer>16</integer>
 138 // CHECK-NEXT:            <key>col</key><integer>10</integer>
 139 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 140 // CHECK-NEXT:           </dict>
 141 // CHECK-NEXT:          </array>
 142 // CHECK-NEXT:         <key>end</key>
 143 // CHECK-NEXT:          <array>
 144 // CHECK-NEXT:           <dict>
 145 // CHECK-NEXT:            <key>line</key><integer>17</integer>
 146 // CHECK-NEXT:            <key>col</key><integer>3</integer>
 147 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 148 // CHECK-NEXT:           </dict>
 149 // CHECK-NEXT:           <dict>
 150 // CHECK-NEXT:            <key>line</key><integer>17</integer>
 151 // CHECK-NEXT:            <key>col</key><integer>14</integer>
 152 // CHECK-NEXT:            <key>file</key><integer>0</integer>
 153 // CHECK-NEXT:           </dict>
 154 // CHECK-NEXT:          </array>
 155 // CHECK-NEXT:        </dict>
 156 // CHECK-NEXT:       </array>
 157 // CHECK-NEXT:     </dict>
 158 // CHECK-NEXT:     <dict>
 159 // CHECK-NEXT:      <key>kind</key><string>event</string>
 160 // CHECK-NEXT:      <key>location</key>
 161 // CHECK-NEXT:      <dict>
 162 // CHECK-NEXT:       <key>line</key><integer>17</integer>
 163 // CHECK-NEXT:       <key>col</key><integer>3</integer>
 164 // CHECK-NEXT:       <key>file</key><integer>0</integer>
 165 // CHECK-NEXT:      </dict>
 166 // CHECK-NEXT:      <key>ranges</key>
 167 // CHECK-NEXT:      <array>
 168 // CHECK-NEXT:        <array>
 169 // CHECK-NEXT:         <dict>
 170 // CHECK-NEXT:          <key>line</key><integer>17</integer>
 171 // CHECK-NEXT:          <key>col</key><integer>16</integer>
 172 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 173 // CHECK-NEXT:         </dict>
 174 // CHECK-NEXT:         <dict>
 175 // CHECK-NEXT:          <key>line</key><integer>17</integer>
 176 // CHECK-NEXT:          <key>col</key><integer>16</integer>
 177 // CHECK-NEXT:          <key>file</key><integer>0</integer>
 178 // CHECK-NEXT:         </dict>
 179 // CHECK-NEXT:        </array>
 180 // CHECK-NEXT:      </array>
 181 // CHECK-NEXT:      <key>depth</key><integer>0</integer>
 182 // CHECK-NEXT:      <key>extended_message</key>
 183 // CHECK-NEXT:      <string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
 184 // CHECK-NEXT:      <key>message</key>
 185 // CHECK-NEXT:      <string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
 186 // CHECK-NEXT:     </dict>
 187 // CHECK-NEXT:    </array>
 188 // CHECK-NEXT:    <key>description</key><string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
 189 // CHECK-NEXT:    <key>category</key><string>Memory error</string>
 190 // CHECK-NEXT:    <key>type</key><string>Nullability</string>
 191 // CHECK-NEXT:    <key>check_name</key><string>nullability.NullPassedToNonnull</string>
 192 // CHECK-NEXT:    <!-- This hash is experimental and going to change! -->
 193 // CHECK-NEXT:    <key>issue_hash_content_of_line_in_context</key><string>b6bc8126de8e6eb3375483a656fe858d</string>
 194 // CHECK-NEXT:   <key>issue_context_kind</key><string>Objective-C method</string>
 195 // CHECK-NEXT:   <key>issue_context</key><string>method</string>
 196 // CHECK-NEXT:   <key>issue_hash_function_offset</key><string>3</string>
 197 // CHECK-NEXT:   <key>location</key>
 198 // CHECK-NEXT:   <dict>
 199 // CHECK-NEXT:    <key>line</key><integer>17</integer>
 200 // CHECK-NEXT:    <key>col</key><integer>3</integer>
 201 // CHECK-NEXT:    <key>file</key><integer>0</integer>
 202 // CHECK-NEXT:   </dict>
 203 // CHECK-NEXT:   </dict>
 204 // CHECK-NEXT:  </array>