src/third_party/llvm-project/clang/test/Analysis/nullability-notes.m

// RUN: %clang_analyze_cc1 -fblocks -analyzer-checker=core,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullableDereferenced -analyzer-output=text -verify %s
// 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
// RUN: FileCheck --input-file=%t.plist %s

#include "Inputs/system-header-simulator-for-nullability.h"

void takesNonnull(NSObject *_Nonnull y);

@interface ClassWithProperties: NSObject
@property(copy, nullable) NSObject *x; // plist check ensures no control flow piece from here to 'self.x'.
-(void) method;
@end;
@implementation ClassWithProperties
-(void) method {
  // no-crash
  NSObject *x = self.x; // expected-note{{Nullability 'nullable' is inferred}}
  takesNonnull(x); // expected-warning{{Nullable pointer is passed to a callee that requires a non-null 1st parameter}}
                   // expected-note@-1{{Nullable pointer is passed to a callee that requires a non-null 1st parameter}}
}
@end

// CHECK:  <key>diagnostics</key>
// CHECK-NEXT:  <array>
// CHECK-NEXT:   <dict>
// CHECK-NEXT:    <key>path</key>
// CHECK-NEXT:    <array>
// CHECK-NEXT:     <dict>
// CHECK-NEXT:      <key>kind</key><string>control</string>
// CHECK-NEXT:      <key>edges</key>
// CHECK-NEXT:       <array>
// CHECK-NEXT:        <dict>
// CHECK-NEXT:         <key>start</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>3</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>10</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:         <key>end</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>22</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>22</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:        </dict>
// CHECK-NEXT:       </array>
// CHECK-NEXT:     </dict>
// CHECK-NEXT:     <dict>
// CHECK-NEXT:      <key>kind</key><string>event</string>
// CHECK-NEXT:      <key>location</key>
// CHECK-NEXT:      <dict>
// CHECK-NEXT:       <key>line</key><integer>16</integer>
// CHECK-NEXT:       <key>col</key><integer>22</integer>
// CHECK-NEXT:       <key>file</key><integer>0</integer>
// CHECK-NEXT:      </dict>
// CHECK-NEXT:      <key>ranges</key>
// CHECK-NEXT:      <array>
// CHECK-NEXT:        <array>
// CHECK-NEXT:         <dict>
// CHECK-NEXT:          <key>line</key><integer>16</integer>
// CHECK-NEXT:          <key>col</key><integer>22</integer>
// CHECK-NEXT:          <key>file</key><integer>0</integer>
// CHECK-NEXT:         </dict>
// CHECK-NEXT:         <dict>
// CHECK-NEXT:          <key>line</key><integer>16</integer>
// CHECK-NEXT:          <key>col</key><integer>22</integer>
// CHECK-NEXT:          <key>file</key><integer>0</integer>
// CHECK-NEXT:         </dict>
// CHECK-NEXT:        </array>
// CHECK-NEXT:      </array>
// CHECK-NEXT:      <key>depth</key><integer>1</integer>
// CHECK-NEXT:      <key>extended_message</key>
// CHECK-NEXT:      <string>Nullability &apos;nullable&apos; is inferred</string>
// CHECK-NEXT:      <key>message</key>
// CHECK-NEXT:      <string>Nullability &apos;nullable&apos; is inferred</string>
// CHECK-NEXT:     </dict>
// CHECK-NEXT:     <dict>
// CHECK-NEXT:      <key>kind</key><string>control</string>
// CHECK-NEXT:      <key>edges</key>
// CHECK-NEXT:       <array>
// CHECK-NEXT:        <dict>
// CHECK-NEXT:         <key>start</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>22</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>22</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:         <key>end</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>3</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>10</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:        </dict>
// CHECK-NEXT:       </array>
// CHECK-NEXT:     </dict>
// CHECK-NEXT:     <dict>
// CHECK-NEXT:      <key>kind</key><string>control</string>
// CHECK-NEXT:      <key>edges</key>
// CHECK-NEXT:       <array>
// CHECK-NEXT:        <dict>
// CHECK-NEXT:         <key>start</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>3</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>16</integer>
// CHECK-NEXT:            <key>col</key><integer>10</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:         <key>end</key>
// CHECK-NEXT:          <array>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>17</integer>
// CHECK-NEXT:            <key>col</key><integer>3</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:           <dict>
// CHECK-NEXT:            <key>line</key><integer>17</integer>
// CHECK-NEXT:            <key>col</key><integer>14</integer>
// CHECK-NEXT:            <key>file</key><integer>0</integer>
// CHECK-NEXT:           </dict>
// CHECK-NEXT:          </array>
// CHECK-NEXT:        </dict>
// CHECK-NEXT:       </array>
// CHECK-NEXT:     </dict>
// CHECK-NEXT:     <dict>
// CHECK-NEXT:      <key>kind</key><string>event</string>
// CHECK-NEXT:      <key>location</key>
// CHECK-NEXT:      <dict>
// CHECK-NEXT:       <key>line</key><integer>17</integer>
// CHECK-NEXT:       <key>col</key><integer>3</integer>
// CHECK-NEXT:       <key>file</key><integer>0</integer>
// CHECK-NEXT:      </dict>
// CHECK-NEXT:      <key>ranges</key>
// CHECK-NEXT:      <array>
// CHECK-NEXT:        <array>
// CHECK-NEXT:         <dict>
// CHECK-NEXT:          <key>line</key><integer>17</integer>
// CHECK-NEXT:          <key>col</key><integer>16</integer>
// CHECK-NEXT:          <key>file</key><integer>0</integer>
// CHECK-NEXT:         </dict>
// CHECK-NEXT:         <dict>
// CHECK-NEXT:          <key>line</key><integer>17</integer>
// CHECK-NEXT:          <key>col</key><integer>16</integer>
// CHECK-NEXT:          <key>file</key><integer>0</integer>
// CHECK-NEXT:         </dict>
// CHECK-NEXT:        </array>
// CHECK-NEXT:      </array>
// CHECK-NEXT:      <key>depth</key><integer>0</integer>
// CHECK-NEXT:      <key>extended_message</key>
// CHECK-NEXT:      <string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
// CHECK-NEXT:      <key>message</key>
// CHECK-NEXT:      <string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
// CHECK-NEXT:     </dict>
// CHECK-NEXT:    </array>
// CHECK-NEXT:    <key>description</key><string>Nullable pointer is passed to a callee that requires a non-null 1st parameter</string>
// CHECK-NEXT:    <key>category</key><string>Memory error</string>
// CHECK-NEXT:    <key>type</key><string>Nullability</string>
// CHECK-NEXT:    <key>check_name</key><string>nullability.NullPassedToNonnull</string>
// CHECK-NEXT:    <!-- This hash is experimental and going to change! -->
// CHECK-NEXT:    <key>issue_hash_content_of_line_in_context</key><string>b6bc8126de8e6eb3375483a656fe858d</string>
// CHECK-NEXT:   <key>issue_context_kind</key><string>Objective-C method</string>
// CHECK-NEXT:   <key>issue_context</key><string>method</string>
// CHECK-NEXT:   <key>issue_hash_function_offset</key><string>3</string>
// CHECK-NEXT:   <key>location</key>
// CHECK-NEXT:   <dict>
// CHECK-NEXT:    <key>line</key><integer>17</integer>
// CHECK-NEXT:    <key>col</key><integer>3</integer>
// CHECK-NEXT:    <key>file</key><integer>0</integer>
// CHECK-NEXT:   </dict>
// CHECK-NEXT:   </dict>
// CHECK-NEXT:  </array>