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Commitf9070ca

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Merge pull request#752 from github/lcartey/improve-integer-suffix-testing
Expand integer constant testing, and extend C++ queries to support binary literals
2 parentsd201f52 +8760c3c commitf9070ca

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6 files changed

+663
-5
lines changed

6 files changed

+663
-5
lines changed

‎c/misra/test/rules/RULE-7-2/UOrUSuffixRepresentedInUnsignedType.expected‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,3 +4,9 @@
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| test.c:162:3:162:21 | 9223372036854775808 | Unsigned literal 0x8000000000000000L does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:185:3:185:22 | 9223372036854775808 | Unsigned literal 0x8000000000000000ll does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:208:3:208:22 | 9223372036854775808 | Unsigned literal 0x8000000000000000LL does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:227:3:227:14 | 2147483648 | Unsigned literal 020000000000 does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:232:3:232:25 | 9223372036854775808 | Unsigned literal 01000000000000000000000 does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:249:3:249:26 | 9223372036854775808 | Unsigned literal 01000000000000000000000l does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:266:3:266:26 | 9223372036854775808 | Unsigned literal 01000000000000000000000L does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:283:3:283:27 | 9223372036854775808 | Unsigned literal 01000000000000000000000ll does not explicitly express sign with a 'U' or 'u' suffix. |
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| test.c:300:3:300:27 | 9223372036854775808 | Unsigned literal 01000000000000000000000LL does not explicitly express sign with a 'U' or 'u' suffix. |

‎c/misra/test/rules/RULE-7-2/test.c‎

Lines changed: 88 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -221,6 +221,94 @@ void test_hexadecimal_constants() {
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0x8000000000000000LLu;// COMPLIANT - unsigned, but uses the suffix correctly
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}
223223

224+
voidtest_octal_constants() {
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00;// COMPLIANT - uses signed int
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017777777777;// COMPLIANT - max value held by signed int
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020000000000;// NON_COMPLIANT - larger than max signed int, so will be
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// unsigned int
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040000000000;// COMPLIANT - larger than unsigned int, but smaller than long
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// int
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0777777777777777777777;// COMPLIANT - max long int
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01000000000000000000000;// NON_COMPLIANT - larger than long int, so will be
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// unsigned long int
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00U;// COMPLIANT - unsigned, but uses the suffix correctly
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017777777777U;// COMPLIANT - unsigned, but uses the suffix correctly
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020000000000U;// COMPLIANT - unsigned, but uses the suffix correctly
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040000000000U;// COMPLIANT - unsigned, but uses the suffix correctly
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0777777777777777777777U;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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01000000000000000000000U;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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// Use of the `l` suffix
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00l;// COMPLIANT - uses signed long
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017777777777l;// COMPLIANT - uses signed long
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020000000000l;// COMPLIANT - uses signed long
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040000000000l;// COMPLIANT - uses signed long
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0777777777777777777777l;// COMPLIANT - max long int
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01000000000000000000000l;// NON_COMPLIANT - larger than long int, so will be
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// unsigned long int
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00Ul;// COMPLIANT - unsigned, but uses the suffix correctly
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017777777777Ul;// COMPLIANT - unsigned, but uses the suffix correctly
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020000000000Ul;// COMPLIANT - unsigned, but uses the suffix correctly
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040000000000Ul;// COMPLIANT - unsigned, but uses the suffix correctly
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0777777777777777777777Ul;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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01000000000000000000000Ul;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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// Use of the `L` suffix
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00L;// COMPLIANT - uses signed long
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017777777777L;// COMPLIANT - uses signed long
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020000000000L;// COMPLIANT - uses signed long
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040000000000L;// COMPLIANT - uses signed long
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0777777777777777777777L;// COMPLIANT - COMPLIANT - uses signed long
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01000000000000000000000L;// NON_COMPLIANT - larger than long int, so will be
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// unsigned long int
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00UL;// COMPLIANT - unsigned, but uses the suffix correctly
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017777777777UL;// COMPLIANT - unsigned, but uses the suffix correctly
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020000000000UL;// COMPLIANT - unsigned, but uses the suffix correctly
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040000000000UL;// COMPLIANT - unsigned, but uses the suffix correctly
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0777777777777777777777UL;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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01000000000000000000000UL;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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// Use of the `ll` suffix
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00ll;// COMPLIANT - uses signed long long
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017777777777ll;// COMPLIANT - uses signed long long
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020000000000ll;// COMPLIANT - uses signed long long
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040000000000ll;// COMPLIANT - uses signed long long
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0777777777777777777777ll;// COMPLIANT - max long int
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01000000000000000000000ll;// NON_COMPLIANT - larger than long int, so will be
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// unsigned long int
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00Ull;// COMPLIANT - unsigned, but uses the suffix correctly
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017777777777Ull;// COMPLIANT - unsigned, but uses the suffix correctly
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020000000000Ull;// COMPLIANT - unsigned, but uses the suffix correctly
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040000000000Ull;// COMPLIANT - unsigned, but uses the suffix correctly
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0777777777777777777777Ull;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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01000000000000000000000Ull;// COMPLIANT - unsigned, but uses the suffix
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// correctly
293+
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// Use of the `LL` suffix
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00LL;// COMPLIANT - uses signed long long
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017777777777LL;// COMPLIANT - uses signed long long
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020000000000LL;// COMPLIANT - uses signed long long
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040000000000LL;// COMPLIANT - uses signed long long
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0777777777777777777777LL;// COMPLIANT - max long int
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01000000000000000000000LL;// NON_COMPLIANT - larger than long int, so will be
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// unsigned long int
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00ULL;// COMPLIANT - unsigned, but uses the suffix correctly
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017777777777ULL;// COMPLIANT - unsigned, but uses the suffix correctly
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020000000000ULL;// COMPLIANT - unsigned, but uses the suffix correctly
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040000000000ULL;// COMPLIANT - unsigned, but uses the suffix correctly
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0777777777777777777777ULL;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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01000000000000000000000ULL;// COMPLIANT - unsigned, but uses the suffix
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// correctly
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}
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#defineCOMPLIANT_VAL 0x80000000U
225313
#defineNON_COMPLIANT_VAL 0x80000000
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Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
1+
-`5.13.4` -`UnsignedLiteralsNotAppropriatelySuffixed.ql`:
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- Expand detection to binary literals.
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-`M2-13-3` -`MissingUSuffix.ql`:
4+
- Expand detection to binary literals.

‎cpp/common/src/codingstandards/cpp/rules/unsignedintegerliteralsnotappropriatelysuffixed/UnsignedIntegerLiteralsNotAppropriatelySuffixed.qll‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -19,6 +19,8 @@ query predicate problems(Cpp14Literal::NumericLiteral nl, string message) {
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nlinstanceof Cpp14Literal::OctalLiteralandliteralKind="Octal"
2020
or
2121
nlinstanceof Cpp14Literal::HexLiteralandliteralKind="Hex"
22+
or
23+
nlinstanceof Cpp14Literal::BinaryLiteralandliteralKind="Binary"
2224
)and
2325
// This either directly has an unsigned integer type, or it is converted to an unsigned integer type
2426
nl.getType().getUnspecifiedType().(IntegralType).isUnsigned()and
Original file line numberDiff line numberDiff line change
@@ -1 +1,18 @@
1-
| test.cpp:3:3:3:12 | 4294967295 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
1+
| test.cpp:111:3:111:12 | 2147483648 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
2+
| test.cpp:116:3:116:20 | 9223372036854775808 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:139:3:139:21 | 9223372036854775808 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:162:3:162:21 | 9223372036854775808 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:185:3:185:22 | 9223372036854775808 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
6+
| test.cpp:208:3:208:22 | 9223372036854775808 | Hex literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:227:3:227:14 | 2147483648 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
8+
| test.cpp:232:3:232:25 | 9223372036854775808 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:249:3:249:26 | 9223372036854775808 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
10+
| test.cpp:266:3:266:26 | 9223372036854775808 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
11+
| test.cpp:283:3:283:27 | 9223372036854775808 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:300:3:300:27 | 9223372036854775808 | Octal literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:315:3:315:36 | 2147483648 | Binary literal is an unsigned integer but does not include a 'U' suffix. |
14+
| test.cpp:322:3:322:68 | 9223372036854775808 | Binary literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:365:3:365:69 | 9223372036854775808 | Binary literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:412:3:412:69 | 9223372036854775808 | Binary literal is an unsigned integer but does not include a 'U' suffix. |
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| test.cpp:457:3:457:70 | 9223372036854775808 | Binary literal is an unsigned integer but does not include a 'U' suffix. |
18+
| test.cpp:502:3:502:70 | 9223372036854775808 | Binary literal is an unsigned integer but does not include a 'U' suffix. |

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