hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-04-28 10:15:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #2551 from MathiasVP/argument-suppresion-c89-style

Browse Source 
C++: Alert suppression through single-line /* */ style comments
This commit is contained in:
Jonas Jensen
2019-12-19 13:19:49 +01:00
committed by GitHub
parent 5a6a2e8a68 30822f1d98
commit 4fffaabab9
4 changed files with 43 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
cpp/ql/src/AlertSuppression.ql
View File

@@ -10,12 +10,25 @@ import cpp
/**
* An alert suppression comment.
*/
class SuppressionComment extends CppStyleComment {
class SuppressionComment extends Comment {
string annotation;
string text;
SuppressionComment() {
text = getContents().suffix(2) and
(
this instanceof CppStyleComment and
// strip the beginning slashes
text = getContents().suffix(2)
or
this instanceof CStyleComment and
// strip both the beginning /* and the end */ the comment
exists(string text0 |
text0 = getContents().suffix(2) and
text = text0.prefix(text0.length() - 2)
) and
// The /* */ comment must be a single-line comment
not text.matches("%\n%")
) and
(
// match `lgtm[...]` anywhere in the comment
annotation = text.regexpFind("(?i)\\blgtm\\s*\\[[^\\]]*\\]", _, _)

10
cpp/ql/test/query-tests/AlertSuppression/AlertSuppression.expected
View File

@@ -8,6 +8,7 @@
| tst.c:8:1:8:18 | // lgtm: blah blah | lgtm: blah blah | lgtm | tst.c:8:1:8:18 | // lgtm: blah blah |
| tst.c:9:1:9:32 | // lgtm blah blah #falsepositive | lgtm blah blah #falsepositive | lgtm | tst.c:9:1:9:32 | // lgtm blah blah #falsepositive |
| tst.c:10:1:10:39 | //lgtm [js/invocation-of-non-function] | lgtm [js/invocation-of-non-function] | lgtm [js/invocation-of-non-function] | tst.c:10:1:10:39 | //lgtm [js/invocation-of-non-function] |
| tst.c:11:1:11:10 | /* lgtm */ | lgtm | lgtm | tst.c:11:1:11:10 | /* lgtm */ |
| tst.c:12:1:12:9 | // lgtm[] | lgtm[] | lgtm[] | tst.c:12:1:12:9 | // lgtm[] |
| tst.c:14:1:14:6 | //lgtm | lgtm | lgtm | tst.c:14:1:14:6 | //lgtm |
| tst.c:15:1:15:7 | //\tlgtm | \tlgtm | lgtm | tst.c:15:1:15:7 | //\tlgtm |
@@ -22,6 +23,10 @@
| tst.c:27:1:27:70 | // lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] | lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] | lgtm[js/invocation-of-non-function] | tst.c:27:1:27:70 | // lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] |
| tst.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement]; lgtm | lgtm | tst.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm |
| tst.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement] | tst.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm |
| tst.c:29:1:29:12 | /* lgtm[] */ | lgtm[] | lgtm[] | tst.c:29:1:29:12 | /* lgtm[] */ |
| tst.c:30:1:30:41 | /* lgtm[js/invocation-of-non-function] */ | lgtm[js/invocation-of-non-function] | lgtm[js/invocation-of-non-function] | tst.c:30:1:30:41 | /* lgtm[js/invocation-of-non-function] */ |
| tst.c:36:1:36:55 | /* lgtm[@tag:nullness,js/invocation-of-non-function] */ | lgtm[@tag:nullness,js/invocation-of-non-function] | lgtm[@tag:nullness,js/invocation-of-non-function] | tst.c:36:1:36:55 | /* lgtm[@tag:nullness,js/invocation-of-non-function] */ |
| tst.c:37:1:37:25 | /* lgtm[@tag:nullness] */ | lgtm[@tag:nullness] | lgtm[@tag:nullness] | tst.c:37:1:37:25 | /* lgtm[@tag:nullness] */ |
| tstWindows.c:1:12:1:18 | // lgtm | lgtm | lgtm | tstWindows.c:1:1:1:18 | // lgtm |
| tstWindows.c:2:1:2:30 | // lgtm[js/debugger-statement] | lgtm[js/debugger-statement] | lgtm[js/debugger-statement] | tstWindows.c:2:1:2:30 | // lgtm[js/debugger-statement] |
| tstWindows.c:3:1:3:61 | // lgtm[js/debugger-statement, js/invocation-of-non-function] | lgtm[js/debugger-statement, js/invocation-of-non-function] | lgtm[js/debugger-statement, js/invocation-of-non-function] | tstWindows.c:3:1:3:61 | // lgtm[js/debugger-statement, js/invocation-of-non-function] |
@@ -32,6 +37,7 @@
| tstWindows.c:8:1:8:18 | // lgtm: blah blah | lgtm: blah blah | lgtm | tstWindows.c:8:1:8:18 | // lgtm: blah blah |
| tstWindows.c:9:1:9:32 | // lgtm blah blah #falsepositive | lgtm blah blah #falsepositive | lgtm | tstWindows.c:9:1:9:32 | // lgtm blah blah #falsepositive |
| tstWindows.c:10:1:10:39 | //lgtm [js/invocation-of-non-function] | lgtm [js/invocation-of-non-function] | lgtm [js/invocation-of-non-function] | tstWindows.c:10:1:10:39 | //lgtm [js/invocation-of-non-function] |
| tstWindows.c:11:1:11:10 | /* lgtm */ | lgtm | lgtm | tstWindows.c:11:1:11:10 | /* lgtm */ |
| tstWindows.c:12:1:12:9 | // lgtm[] | lgtm[] | lgtm[] | tstWindows.c:12:1:12:9 | // lgtm[] |
| tstWindows.c:14:1:14:6 | //lgtm | lgtm | lgtm | tstWindows.c:14:1:14:6 | //lgtm |
| tstWindows.c:15:1:15:7 | //\tlgtm | \tlgtm | lgtm | tstWindows.c:15:1:15:7 | //\tlgtm |
@@ -46,3 +52,7 @@
| tstWindows.c:27:1:27:70 | // lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] | lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] | lgtm[js/invocation-of-non-function] | tstWindows.c:27:1:27:70 | // lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function] |
| tstWindows.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement]; lgtm | lgtm | tstWindows.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm |
| tstWindows.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement]; lgtm | lgtm[js/debugger-statement] | tstWindows.c:28:1:28:36 | // lgtm[js/debugger-statement]; lgtm |
| tstWindows.c:29:1:29:12 | /* lgtm[] */ | lgtm[] | lgtm[] | tstWindows.c:29:1:29:12 | /* lgtm[] */ |
| tstWindows.c:30:1:30:41 | /* lgtm[js/invocation-of-non-function] */ | lgtm[js/invocation-of-non-function] | lgtm[js/invocation-of-non-function] | tstWindows.c:30:1:30:41 | /* lgtm[js/invocation-of-non-function] */ |
| tstWindows.c:36:1:36:55 | /* lgtm[@tag:nullness,js/invocation-of-non-function] */ | lgtm[@tag:nullness,js/invocation-of-non-function] | lgtm[@tag:nullness,js/invocation-of-non-function] | tstWindows.c:36:1:36:55 | /* lgtm[@tag:nullness,js/invocation-of-non-function] */ |
| tstWindows.c:37:1:37:25 | /* lgtm[@tag:nullness] */ | lgtm[@tag:nullness] | lgtm[@tag:nullness] | tstWindows.c:37:1:37:25 | /* lgtm[@tag:nullness] */ |

9
cpp/ql/test/query-tests/AlertSuppression/tst.c
View File

@@ -26,3 +26,12 @@ int x = 0; // lgtm
// LGTM[js/debugger-statement]
// lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function]
// lgtm[js/debugger-statement]; lgtm
/* lgtm[] */
/* lgtm[js/invocation-of-non-function] */
/* lgtm
*/
/* lgtm
*/
/* lgtm[@tag:nullness,js/invocation-of-non-function] */
/* lgtm[@tag:nullness] */

9
cpp/ql/test/query-tests/AlertSuppression/tstWindows.c
View File

@@ -26,3 +26,12 @@ int x = 0; // lgtm
// LGTM[js/debugger-statement]
// lgtm[js/debugger-statement] and lgtm[js/invocation-of-non-function]
// lgtm[js/debugger-statement]; lgtm
/* lgtm[] */
/* lgtm[js/invocation-of-non-function] */
/* lgtm
*/
/* lgtm
*/
/* lgtm[@tag:nullness,js/invocation-of-non-function] */
/* lgtm[@tag:nullness] */