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gerrit-public.fairphone.software / toolchain / llvm-project / 184c6242faca0be0188611d45b41235e68ef282a / . / clang / test / Analysis / model-file.cpp
blob: de5a888ab223979c69af4d98d90a9b0c5053b063 [file] [log] [blame]
Dominic Chen184c6242017-03-03 18:02:02 +0000[diff] [blame^]1// RUN: %clang_analyze_cc1 -analyzer-checker=core -analyzer-config faux-bodies=true,model-path=%S/Inputs/Models -analyzer-output=plist-multi-file -verify %s -o %t
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]2// RUN: FileCheck --input-file=%t %s
3
4typedef int* intptr;
5
6// This function is modeled and the p pointer is dereferenced in the model
7// function and there is no function definition available. The modeled
8// function can use any types that are available in the original translation
9// unit, for example intptr in this case.
10void modeledFunction(intptr p);
11
12// This function is modeled and returns true if the parameter is not zero
13// and there is no function definition available.
14bool notzero(int i);
15
16// This functions is not modeled and there is no function definition.
17// available
18bool notzero_notmodeled(int i);
19
20int main() {
21 // There is a nullpointer dereference inside this function.
22 modeledFunction(0);
23
24 int p = 0;
25 if (notzero(p)) {
26 // It is known that p != 0 because of the information provided by the
27 // model of the notzero function.
28 int j = 5 / p;
29 }
30
31 if (notzero_notmodeled(p)) {
32 // There is no information about the value of p, because
33 // notzero_notmodeled is not modeled and the function definition
34 // is not available.
35 int j = 5 / p; // expected-warning {{Division by zero}}
36 }
37
38 return 0;
39}
40
41// CHECK: <key>diagnostics</key>
42// CHECK-NEXT: <array>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]43// CHECK-NEXT: <dict>
44// CHECK-NEXT: <key>path</key>
45// CHECK-NEXT: <array>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]46// CHECK-NEXT: <dict>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]47// CHECK-NEXT: <key>kind</key><string>control</string>
48// CHECK-NEXT: <key>edges</key>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]49// CHECK-NEXT: <array>
50// CHECK-NEXT: <dict>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]51// CHECK-NEXT: <key>start</key>
52// CHECK-NEXT: <array>
53// CHECK-NEXT: <dict>
54// CHECK-NEXT: <key>line</key><integer>22</integer>
55// CHECK-NEXT: <key>col</key><integer>3</integer>
56// CHECK-NEXT: <key>file</key><integer>0</integer>
57// CHECK-NEXT: </dict>
58// CHECK-NEXT: <dict>
59// CHECK-NEXT: <key>line</key><integer>22</integer>
60// CHECK-NEXT: <key>col</key><integer>17</integer>
61// CHECK-NEXT: <key>file</key><integer>0</integer>
62// CHECK-NEXT: </dict>
63// CHECK-NEXT: </array>
64// CHECK-NEXT: <key>end</key>
65// CHECK-NEXT: <array>
66// CHECK-NEXT: <dict>
67// CHECK-NEXT: <key>line</key><integer>24</integer>
68// CHECK-NEXT: <key>col</key><integer>3</integer>
69// CHECK-NEXT: <key>file</key><integer>0</integer>
70// CHECK-NEXT: </dict>
71// CHECK-NEXT: <dict>
72// CHECK-NEXT: <key>line</key><integer>24</integer>
73// CHECK-NEXT: <key>col</key><integer>5</integer>
74// CHECK-NEXT: <key>file</key><integer>0</integer>
75// CHECK-NEXT: </dict>
76// CHECK-NEXT: </array>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]77// CHECK-NEXT: </dict>
78// CHECK-NEXT: </array>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]79// CHECK-NEXT: </dict>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]80// CHECK-NEXT: <dict>
81// CHECK-NEXT: <key>kind</key><string>event</string>
82// CHECK-NEXT: <key>location</key>
83// CHECK-NEXT: <dict>
84// CHECK-NEXT: <key>line</key><integer>24</integer>
85// CHECK-NEXT: <key>col</key><integer>3</integer>
86// CHECK-NEXT: <key>file</key><integer>0</integer>
87// CHECK-NEXT: </dict>
88// CHECK-NEXT: <key>ranges</key>
89// CHECK-NEXT: <array>
90// CHECK-NEXT: <array>
91// CHECK-NEXT: <dict>
92// CHECK-NEXT: <key>line</key><integer>24</integer>
93// CHECK-NEXT: <key>col</key><integer>3</integer>
94// CHECK-NEXT: <key>file</key><integer>0</integer>
95// CHECK-NEXT: </dict>
96// CHECK-NEXT: <dict>
97// CHECK-NEXT: <key>line</key><integer>24</integer>
98// CHECK-NEXT: <key>col</key><integer>7</integer>
99// CHECK-NEXT: <key>file</key><integer>0</integer>
100// CHECK-NEXT: </dict>
101// CHECK-NEXT: </array>
102// CHECK-NEXT: </array>
103// CHECK-NEXT: <key>depth</key><integer>0</integer>
104// CHECK-NEXT: <key>extended_message</key>
105// CHECK-NEXT: <string>&apos;p&apos; initialized to 0</string>
106// CHECK-NEXT: <key>message</key>
107// CHECK-NEXT: <string>&apos;p&apos; initialized to 0</string>
108// CHECK-NEXT: </dict>
109// CHECK-NEXT: <dict>
110// CHECK-NEXT: <key>kind</key><string>control</string>
111// CHECK-NEXT: <key>edges</key>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]112// CHECK-NEXT: <array>
113// CHECK-NEXT: <dict>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]114// CHECK-NEXT: <key>start</key>
115// CHECK-NEXT: <array>
116// CHECK-NEXT: <dict>
117// CHECK-NEXT: <key>line</key><integer>24</integer>
118// CHECK-NEXT: <key>col</key><integer>3</integer>
119// CHECK-NEXT: <key>file</key><integer>0</integer>
120// CHECK-NEXT: </dict>
121// CHECK-NEXT: <dict>
122// CHECK-NEXT: <key>line</key><integer>24</integer>
123// CHECK-NEXT: <key>col</key><integer>5</integer>
124// CHECK-NEXT: <key>file</key><integer>0</integer>
125// CHECK-NEXT: </dict>
126// CHECK-NEXT: </array>
127// CHECK-NEXT: <key>end</key>
128// CHECK-NEXT: <array>
129// CHECK-NEXT: <dict>
130// CHECK-NEXT: <key>line</key><integer>25</integer>
131// CHECK-NEXT: <key>col</key><integer>3</integer>
132// CHECK-NEXT: <key>file</key><integer>0</integer>
133// CHECK-NEXT: </dict>
134// CHECK-NEXT: <dict>
135// CHECK-NEXT: <key>line</key><integer>25</integer>
136// CHECK-NEXT: <key>col</key><integer>4</integer>
137// CHECK-NEXT: <key>file</key><integer>0</integer>
138// CHECK-NEXT: </dict>
139// CHECK-NEXT: </array>
Ted Kremenekeeccb302014-08-27 15:14:15 +0000[diff] [blame]140// CHECK-NEXT: </dict>
141// CHECK-NEXT: </array>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]142// CHECK-NEXT: </dict>
143// CHECK-NEXT: <dict>
144// CHECK-NEXT: <key>kind</key><string>control</string>
145// CHECK-NEXT: <key>edges</key>
146// CHECK-NEXT: <array>
147// CHECK-NEXT: <dict>
148// CHECK-NEXT: <key>start</key>
149// CHECK-NEXT: <array>
150// CHECK-NEXT: <dict>
151// CHECK-NEXT: <key>line</key><integer>25</integer>
152// CHECK-NEXT: <key>col</key><integer>3</integer>
153// CHECK-NEXT: <key>file</key><integer>0</integer>
154// CHECK-NEXT: </dict>
155// CHECK-NEXT: <dict>
156// CHECK-NEXT: <key>line</key><integer>25</integer>
157// CHECK-NEXT: <key>col</key><integer>4</integer>
158// CHECK-NEXT: <key>file</key><integer>0</integer>
159// CHECK-NEXT: </dict>
160// CHECK-NEXT: </array>
161// CHECK-NEXT: <key>end</key>
162// CHECK-NEXT: <array>
163// CHECK-NEXT: <dict>
164// CHECK-NEXT: <key>line</key><integer>31</integer>
165// CHECK-NEXT: <key>col</key><integer>3</integer>
166// CHECK-NEXT: <key>file</key><integer>0</integer>
167// CHECK-NEXT: </dict>
168// CHECK-NEXT: <dict>
169// CHECK-NEXT: <key>line</key><integer>31</integer>
170// CHECK-NEXT: <key>col</key><integer>4</integer>
171// CHECK-NEXT: <key>file</key><integer>0</integer>
172// CHECK-NEXT: </dict>
173// CHECK-NEXT: </array>
174// CHECK-NEXT: </dict>
175// CHECK-NEXT: </array>
176// CHECK-NEXT: </dict>
177// CHECK-NEXT: <dict>
178// CHECK-NEXT: <key>kind</key><string>control</string>
179// CHECK-NEXT: <key>edges</key>
180// CHECK-NEXT: <array>
181// CHECK-NEXT: <dict>
182// CHECK-NEXT: <key>start</key>
183// CHECK-NEXT: <array>
184// CHECK-NEXT: <dict>
185// CHECK-NEXT: <key>line</key><integer>31</integer>
186// CHECK-NEXT: <key>col</key><integer>3</integer>
187// CHECK-NEXT: <key>file</key><integer>0</integer>
188// CHECK-NEXT: </dict>
189// CHECK-NEXT: <dict>
190// CHECK-NEXT: <key>line</key><integer>31</integer>
191// CHECK-NEXT: <key>col</key><integer>4</integer>
192// CHECK-NEXT: <key>file</key><integer>0</integer>
193// CHECK-NEXT: </dict>
194// CHECK-NEXT: </array>
195// CHECK-NEXT: <key>end</key>
196// CHECK-NEXT: <array>
197// CHECK-NEXT: <dict>
198// CHECK-NEXT: <key>line</key><integer>31</integer>
199// CHECK-NEXT: <key>col</key><integer>7</integer>
200// CHECK-NEXT: <key>file</key><integer>0</integer>
201// CHECK-NEXT: </dict>
202// CHECK-NEXT: <dict>
203// CHECK-NEXT: <key>line</key><integer>31</integer>
204// CHECK-NEXT: <key>col</key><integer>24</integer>
205// CHECK-NEXT: <key>file</key><integer>0</integer>
206// CHECK-NEXT: </dict>
207// CHECK-NEXT: </array>
208// CHECK-NEXT: </dict>
209// CHECK-NEXT: </array>
210// CHECK-NEXT: </dict>
211// CHECK-NEXT: <dict>
Artem Dergachev0c334062016-10-05 08:19:49 +0000[diff] [blame]212// CHECK-NEXT: <key>kind</key><string>event</string>
213// CHECK-NEXT: <key>location</key>
214// CHECK-NEXT: <dict>
215// CHECK-NEXT: <key>line</key><integer>31</integer>
216// CHECK-NEXT: <key>col</key><integer>7</integer>
217// CHECK-NEXT: <key>file</key><integer>0</integer>
218// CHECK-NEXT: </dict>
219// CHECK-NEXT: <key>ranges</key>
220// CHECK-NEXT: <array>
221// CHECK-NEXT: <array>
222// CHECK-NEXT: <dict>
223// CHECK-NEXT: <key>line</key><integer>31</integer>
224// CHECK-NEXT: <key>col</key><integer>7</integer>
225// CHECK-NEXT: <key>file</key><integer>0</integer>
226// CHECK-NEXT: </dict>
227// CHECK-NEXT: <dict>
228// CHECK-NEXT: <key>line</key><integer>31</integer>
229// CHECK-NEXT: <key>col</key><integer>27</integer>
230// CHECK-NEXT: <key>file</key><integer>0</integer>
231// CHECK-NEXT: </dict>
232// CHECK-NEXT: </array>
233// CHECK-NEXT: </array>
234// CHECK-NEXT: <key>depth</key><integer>0</integer>
235// CHECK-NEXT: <key>extended_message</key>
236// CHECK-NEXT: <string>Assuming the condition is true</string>
237// CHECK-NEXT: <key>message</key>
238// CHECK-NEXT: <string>Assuming the condition is true</string>
239// CHECK-NEXT: </dict>
240// CHECK-NEXT: <dict>
Gabor Horvathefec1632015-10-22 11:53:04 +0000[diff] [blame]241// CHECK-NEXT: <key>kind</key><string>control</string>
242// CHECK-NEXT: <key>edges</key>
243// CHECK-NEXT: <array>
244// CHECK-NEXT: <dict>
245// CHECK-NEXT: <key>start</key>
246// CHECK-NEXT: <array>
247// CHECK-NEXT: <dict>
248// CHECK-NEXT: <key>line</key><integer>31</integer>
249// CHECK-NEXT: <key>col</key><integer>7</integer>
250// CHECK-NEXT: <key>file</key><integer>0</integer>
251// CHECK-NEXT: </dict>
252// CHECK-NEXT: <dict>
253// CHECK-NEXT: <key>line</key><integer>31</integer>
254// CHECK-NEXT: <key>col</key><integer>24</integer>
255// CHECK-NEXT: <key>file</key><integer>0</integer>
256// CHECK-NEXT: </dict>
257// CHECK-NEXT: </array>
258// CHECK-NEXT: <key>end</key>
259// CHECK-NEXT: <array>
260// CHECK-NEXT: <dict>
261// CHECK-NEXT: <key>line</key><integer>35</integer>
262// CHECK-NEXT: <key>col</key><integer>15</integer>
263// CHECK-NEXT: <key>file</key><integer>0</integer>
264// CHECK-NEXT: </dict>
265// CHECK-NEXT: <dict>
266// CHECK-NEXT: <key>line</key><integer>35</integer>
267// CHECK-NEXT: <key>col</key><integer>15</integer>
268// CHECK-NEXT: <key>file</key><integer>0</integer>
269// CHECK-NEXT: </dict>
270// CHECK-NEXT: </array>
271// CHECK-NEXT: </dict>
272// CHECK-NEXT: </array>
273// CHECK-NEXT: </dict>
274// CHECK-NEXT: <dict>
275// CHECK-NEXT: <key>kind</key><string>event</string>
276// CHECK-NEXT: <key>location</key>
277// CHECK-NEXT: <dict>
278// CHECK-NEXT: <key>line</key><integer>35</integer>
279// CHECK-NEXT: <key>col</key><integer>15</integer>
280// CHECK-NEXT: <key>file</key><integer>0</integer>
281// CHECK-NEXT: </dict>
282// CHECK-NEXT: <key>ranges</key>
283// CHECK-NEXT: <array>
284// CHECK-NEXT: <array>
285// CHECK-NEXT: <dict>
286// CHECK-NEXT: <key>line</key><integer>35</integer>
287// CHECK-NEXT: <key>col</key><integer>13</integer>
288// CHECK-NEXT: <key>file</key><integer>0</integer>
289// CHECK-NEXT: </dict>
290// CHECK-NEXT: <dict>
291// CHECK-NEXT: <key>line</key><integer>35</integer>
292// CHECK-NEXT: <key>col</key><integer>17</integer>
293// CHECK-NEXT: <key>file</key><integer>0</integer>
294// CHECK-NEXT: </dict>
295// CHECK-NEXT: </array>
296// CHECK-NEXT: </array>
297// CHECK-NEXT: <key>depth</key><integer>0</integer>
298// CHECK-NEXT: <key>extended_message</key>
299// CHECK-NEXT: <string>Division by zero</string>
300// CHECK-NEXT: <key>message</key>
301// CHECK-NEXT: <string>Division by zero</string>
302// CHECK-NEXT: </dict>
303// CHECK-NEXT: </array>
304// CHECK-NEXT: <key>description</key><string>Division by zero</string>
305// CHECK-NEXT: <key>category</key><string>Logic error</string>
306// CHECK-NEXT: <key>type</key><string>Division by zero</string>
307// CHECK-NEXT: <key>check_name</key><string>core.DivideZero</string>
308// CHECK-NEXT: <!-- This hash is experimental and going to change! -->
309// CHECK-NEXT: <key>issue_hash_content_of_line_in_context</key><string>86cb845e4f1e6abde1c5b319d5b08eca</string>
310// CHECK-NEXT: <key>issue_context_kind</key><string>function</string>
311// CHECK-NEXT: <key>issue_context</key><string>main</string>
312// CHECK-NEXT: <key>issue_hash_function_offset</key><string>15</string>
313// CHECK-NEXT: <key>location</key>
314// CHECK-NEXT: <dict>
315// CHECK-NEXT: <key>line</key><integer>35</integer>
316// CHECK-NEXT: <key>col</key><integer>15</integer>
317// CHECK-NEXT: <key>file</key><integer>0</integer>
318// CHECK-NEXT: </dict>
319// CHECK-NEXT: </dict>
320// CHECK-NEXT: </array>