Commit Graph

12533 Commits

Author SHA1 Message Date
Daniel Marjamäki 8956ecb5fc Clang import: Fixed data for inline static functions 2020-11-03 17:52:53 +01:00
Daniel Marjamäki e053066d8b Clang import: Fixed Variable::mTypeStartToken and Variable::mTypeEndToken for unnamed parameters 2020-11-02 20:58:43 +01:00
Oliver Stöneberg 488813d00f
added validateCFG and checkcfg targets to CMake / some refactorings (#2687) 2020-11-02 20:16:15 +01:00
Daniel Marjamäki a2a948a311 Clang Import; Better handling of derived classes 2020-11-01 20:32:42 +01:00
Daniel Marjamäki 70fc2a78e5 Fix Cppcheck warning 2020-11-01 18:04:13 +01:00
Daniel Marjamäki 9dc085c3ec Clang import: Improved handling of overloaded operators 2020-11-01 15:30:51 +01:00
vilarion 2c34e660b3
Fix #9805 (False positive; Unused function (template)) (#2871)
* Add test
* Ignore templates with trailing return type as well
2020-11-01 15:10:02 +01:00
Rikard Falkeborn bd4dc364a7
mathlib: Refactor to use enum class (#2872) 2020-11-01 11:47:34 +01:00
Daniel Marjamäki 26e6eed189 Revert "AST: Adjust AST for variable declaration 'char var[] = str;'"
This reverts commit 376860f796.
2020-11-01 11:41:41 +01:00
Daniel Marjamäki 4094274723 TestClangImport: Fix tests 2020-11-01 11:33:01 +01:00
Daniel Marjamäki 5aab1f9692 Clang import: Improved handling of structs 2020-11-01 09:12:58 +01:00
Daniel Marjamäki 226e996e46 Clang import: Improved handling of empty structs/classes 2020-11-01 08:44:38 +01:00
Daniel Marjamäki 7804b28e70 AST: Tweaked debug output 2020-10-31 18:57:48 +01:00
Daniel Marjamäki 597a6eb99c Clang import: Fix Variable::mTypeStartToken for const argument 2020-10-31 17:43:36 +01:00
Daniel Marjamäki 376860f796 AST: Adjust AST for variable declaration 'char var[] = str;' 2020-10-31 17:05:42 +01:00
vilarion bc5ec38149
Fix #9806 (False positive: template function can be static) (#2868)
* Include detecting variadic template functions by matching against endTok instead of startTok.
* Add argument count check for variadic (template) member functions.
2020-10-31 10:02:15 +01:00
shaneasd a623168942
fix passedByValueError on enums (#2869) 2020-10-30 18:32:35 +01:00
Daniel Marjamäki e044d6e219 Clang import: fixed AST for 'return new S()' 2020-10-29 21:43:35 +01:00
Daniel Marjamäki 9ed4dc4199 Clang Import: Fix AST for 'new S;' 2020-10-29 20:52:09 +01:00
Rikard Falkeborn de19dc9e3e
Fix #8327 (Memleak with mmap return value check) (#2864)
Also fix a broken test case related to checking the return value -1
where socket was not defined in the library used in the tests.

This was tested running test-my-pr with 500 packages. The difference was
six fewer FPs.
2020-10-29 13:17:33 +01:00
Daniel Marjamäki 16f4f198eb Clang import: handle DefaultStmt 2020-10-29 09:48:35 +01:00
Daniel Marjamäki 40156365b8 Adjust cppcheck AST debug output a little bit. Write location for each AST tree 2020-10-28 21:41:21 +01:00
Daniel Marjamäki 4eb829933e Tokenizer: Fixed unwanted unknownMacro warning for decltype 2020-10-27 09:08:13 +01:00
Daniel Marjamäki 34c8334882 Fixed #9737 (False positive: unreadVariable) 2020-10-25 20:32:45 +01:00
Daniel Marjamäki 05514950af astyle formatting
[ci skip]
2020-10-25 07:12:30 +01:00
miltolstoy d55874ec37
checkunusedvar: handle initialization list (#2836) 2020-10-25 07:11:45 +01:00
Daniel Marjamäki eb2c0bb6ee Fix TestExprEngine 2020-10-24 22:53:15 +02:00
Daniel Marjamäki 3876b601d5 Fixed #9476 (Tokenizer: report unknown macro) 2020-10-24 22:12:10 +02:00
Rikard Falkeborn d7a8e25d92
Fix #9647: Set correct enum value (#2856)
* Tokenize: Set varId for variables in enum

Set varIds in enum values. It was previously disabled in 5119ae84b8
to avoid issues with enums named the same as global variables. Take care
to only set varids to variables used to set the value of an enumerator,
not the enumerator itself. This is somewhat complicated by the fact that
at the time this happens, astOperand1(), astOperand2(), astParent() etc
are not set. The current implementation is not perfect, for example in
the code below, y will not have a varid set, but x and z will. This is
deemed sufficient for now.

            int x, y, z;
            enum E { a = f(x, y, z); };

* Fix #9647: Value of enums with variables as init values

C++ allows enum values to be set using constexprs, which cppcheck did
not handle before. To solve this, add a new pass to valueflow to update
enum values after global consts have been processed. In order to do so,
I moved all settings of enum values to valueflow. After setting the enum
values, we need another call to valueFlowNumber() to actually set users
of the enums.

There is still room for improvements, since each pass of
valueFlowGlobalConstVar() and valueFlowEnumValue() only sets variables
that are possible to set directly, and not if setting the value of a
variable allows us to set the value of another. For example

	constexpr int a = 5;
	constexpr int b = a + 5;
	enum E { X = a };
	constexpr E e = X;

Here both b and e will not have their values set, even though cppcheck
should be possible to figure out their values. That's for another PR
though.

This was tested by running test-my-pr.py with 500 packages. The only
difference was one error message in fairy-stockfish_11.1, where cppcheck
now printed the correct size of an array instead of 2147483648 which I
assume is some kind of default value. In that package, using a constexpr
when setting enum values is common, but as mentioned, there was no
change in the number of warnings.
2020-10-22 07:45:04 +02:00
Paul Fultz II 64638d82bb
Fix issue 9945: FP: containerOutOfBounds (#2845) 2020-10-22 07:41:52 +02:00
Daniel Marjamäki 33844b28ab Another fix for the crash 2020-10-22 06:59:13 +02:00
Daniel Marjamäki bcc7c5cd50 Use astIsPointer to avoid crashes 2020-10-22 06:55:48 +02:00
Ken-Patrick Lehrmann e4a54a24db
Fix regression in CheckCondition (#2854)
Introduced by e2a81a382f.
2020-10-20 07:56:41 +02:00
Rikard Falkeborn 2624d791e6
Symboldatabase: Don't set unknown enum values (#2852)
Previously, if an enum value was set to a value unknown to cppcheck, the
next enum value would erroneously be set to the last set value plus one
(or zero, if no enum value had been set before). This partially fixes
Trac ticket #9647, in the sense that it no longer sets wrong values for
these enum values. Further improvements to this would be to set the
correct values instead. It also fixes the false positive mentioned in the
comments in the ticket.
2020-10-18 20:41:36 +02:00
Rikard Falkeborn 33739d23aa
Fix #9941: Return value type of library functions returning unsigned (#2848)
Fix return value types of library functions returning unsigned.
Previously, the valueType of auto x = f() would be signed even if f()
was specified to return an unsigned type.

This fixes #9941, which is a regression in cppcheck 2.2 compared to 2.1.
The regression was introduced in 32df807b22.
2020-10-16 07:56:31 +02:00
Armin Müller 08cef9e815
Typos found by running "codespell" (#2846) 2020-10-15 19:24:13 +02:00
Daniel Marjamäki f1ce5a9101 Fixed #9929 (False positive: suspicious semicolon after macro) 2020-10-09 20:34:20 +02:00
Paul Fultz II 047c3ed6ba
Fix issue 9935: FP: knownConditionTrueFalse value flow doesn't account for virtual functions (#2839) 2020-10-09 17:21:27 +02:00
Daniel Marjamäki 586ddf74f1 Clang import; fixed ast for function call with multiple arguments 2020-10-09 07:54:16 +02:00
Daniel Marjamäki 65721dd7a9 Bug hunting; Better handling of constant 2020-10-08 17:24:35 +02:00
Daniel Marjamäki 64608f4e95 clang import; fix symbol database for 'struct Fred { int a; }; int b; void f(int c, int d) { int e; }' 2020-10-06 19:06:10 +02:00
Paul Fultz II 372161c89b
Fix issue 9939: False positive: Reference to temporary returned (static variable) (#2840) 2020-10-06 09:16:54 +02:00
Daniel Marjamäki 67cc1776d5 Clang import: fixed return type 2020-10-04 20:02:19 +02:00
Daniel Marjamäki e3ab688597 Clang import: Fix syntax tree for 'case 1' 2020-10-04 19:33:28 +02:00
Daniel Marjamäki c3517924d0 Clang import testing: Compare AST 2020-10-04 11:27:31 +02:00
Daniel Marjamäki b052843655 exprengine: Use and tweak ExprEngine::ArrayValue::MAXSIZE 2020-10-04 11:21:13 +02:00
Daniel Marjamäki 0e32e19184 daca: update WRONG_DATA interface 2020-10-03 15:36:02 +02:00
Daniel Marjamäki 2e20ee9e39 set version 2.2.99 2020-10-03 13:54:17 +02:00
Daniel Marjamäki 17e562a87f astyle formatting
[ci skip]
2020-10-03 11:02:11 +02:00
Paul 828a5e2326 Fix issue 9930: valueFlowLifetime hang 2020-10-03 11:01:53 +02:00
Daniel Marjamäki c373be0b16 2.2: Update versions 2020-10-03 10:47:35 +02:00
Daniel Marjamäki 8d20d8afb5 Update Copyright year 2020-10-03 09:15:56 +02:00
Daniel Marjamäki 6de91d6386 Fixed #9707 (False positive: unreadVariable, union) 2020-10-02 20:22:22 +02:00
Daniel Marjamäki 63e08689c1 Fix Cppcheck warning 2020-10-02 19:35:24 +02:00
Daniel Marjamäki ea3a9d658a Suppressions: Add special case for backwards compatibility. suppression comment after a {. 2020-10-02 18:56:26 +02:00
Daniel Marjamäki 1251d35ba4 Fix SymbolDatabase for 'extern const char ( * x [ 256 ] ) ;' 2020-10-02 08:25:43 +02:00
Daniel Marjamäki a39e5835d4 Fixed #9925 (False positive: Redundant pointer operation in macro) 2020-09-29 18:27:07 +02:00
Daniel Marjamäki 67b1698752 daca: suppress variableScope warnings in C code as that is usually suppressed in real world. It should make the daca output more relevant. 2020-09-29 17:20:19 +02:00
Daniel Marjamäki bf3833dad5 Avoid constStatement false positives for 'foo() || x=5'. Found in daca@home. 2020-09-29 13:35:39 +02:00
Daniel Marjamäki f956dee58a Tokenizer: Fixed simplification of parentheses in expression 'a=(b,c);' 2020-09-29 12:06:30 +02:00
Daniel Marjamäki 31c800e19e Fixed false positive: suspicious operator ',' seen in daca@home 2020-09-29 11:32:48 +02:00
Daniel Marjamäki ad9b2741cd varid: set varid for 'extern const char (*x[256]);'. This is a partial fix for #9922 2020-09-29 10:53:20 +02:00
Daniel Marjamäki d901edd4af Avoid clarifyCalculation warning for 'x % 16 ? 1 : 0' expression. Fixes FP seen in daca@home. It seems likely that the order is understood otherwise the ternary calculation could easily be simplified away. 2020-09-29 08:39:21 +02:00
Daniel Marjamäki e32ccb591b Fixed clarifyCalculation fp for 'a % b ? "a" : "b"'. seen in daca@home. 2020-09-29 08:29:23 +02:00
IOBYTE 4e4108dc8b
fix daca insighttoolkit crash in template simplifier (#2826)
Don't count deleted instantiations in the recursive count.
I can't reduce the daca code because creduce requires a preprocessed
file to reduce and the problem doesn't show up when the file is
preprocessed with cppcheck.
There is no test because I couldn't reduce the problem files.

Co-authored-by: Robert Reif <reif@FX6840>
2020-09-28 22:51:13 +02:00
Daniel Marjamäki bf236e91d7 Fixed #9918 (False positive: autoVariable pointer is NULLed later) 2020-09-28 22:48:57 +02:00
Daniel Marjamäki 8395522390 Fixed #9919 (False positive: clarifyCalculation for code: flags & ZRL_EOL_NUL ? '\0' : '\n') 2020-09-28 19:18:34 +02:00
Daniel Marjamäki 4c9db17742 Tokenizer: replace all or none of the alternative tokens in a translation unit 2020-09-28 19:01:31 +02:00
Daniel Marjamäki fa42d8c49c Fixed #9920 (Tokenizer: The keyword is not replaced, leads to false positive) 2020-09-28 16:35:50 +02:00
Daniel Marjamäki 84b8f32fd4 daca: group warnings for prohibited functions 2020-09-27 21:42:07 +02:00
Daniel Marjamäki 2748201d73 Fixed #9782 (Segmentation fault due to broken AST) 2020-09-27 20:41:09 +02:00
Daniel Marjamäki ba84303501 Fixed #9680 (false positive: style: Variable 'x' is assigned a value that is never used with smart pointers) 2020-09-27 19:15:15 +02:00
Daniel Marjamäki 3b39433e21 Fixed Cppcheck warnings 2020-09-26 22:30:59 +02:00
Daniel Marjamäki 7bb82c5df7 Fixed #9901 (False positive: variable is assigned value that is not used 'if (--N == 0)') 2020-09-26 22:13:05 +02:00
Daniel Marjamäki 0ec77879ea Fix crash in createAST when checking wiggle in daca@home 2020-09-26 19:22:24 +02:00
Daniel Marjamäki 5578b09452 More fixing for #9914. New warning id and warning message when variable expression is explicitly hidden. 2020-09-26 13:49:47 +02:00
Daniel Marjamäki 05b0a0f970 Make duplicateAssignExpression warnings inconclusive for 'x&&false' etc. (#9914) 2020-09-26 10:50:58 +02:00
Paul Fultz II 887b40e08b
Fix issue 9916: False positive: duplicateAssignExpression when it's checked if variables have initial value later (#2825) 2020-09-26 10:31:40 +02:00
Daniel Marjamäki 5856fef83b Fixed #9914 (False positive: knownArgument for 'x && false') 2020-09-25 20:27:16 +02:00
Daniel Marjamäki bbd3a992b8 Fix output when note contains 2020-09-25 19:04:22 +02:00
Daniel Marjamäki 485153c930 Limit variableScope check. Do not check C code if all local variables are declared at function level. 2020-09-25 08:34:47 +02:00
Daniel Marjamäki 093ff58f5f Fix crash in cbmc detected with daca@home 2020-09-24 20:48:26 +02:00
Daniel Marjamäki 801cc8d331 Fixed knownArgument false positive for pointer 2020-09-24 19:48:20 +02:00
Daniel Marjamäki c08e1a9a94 Fix knownArgument false positive when sizeof is used 2020-09-24 19:43:39 +02:00
Daniel Marjamäki 514b7f4da4 Fixed #9906 (False positive: constParameter (function pointer)) 2020-09-23 22:10:47 +02:00
Paul Fultz II d9eacaecbb
Fix issue 9842: ValueFlow: wrong handling of ?, seems to think that the whole expression is a condition (#2821) 2020-09-23 07:45:03 +02:00
Oliver Stöneberg 2e24cc1434
checkother.h: added missing newline in classInfo - fixes tests (#2818) 2020-09-21 21:44:46 +02:00
Daniel Marjamäki 107ee57e7a Fixed #9909 (False positive: knownArgument for calculation 'self->maxsize * sizeof(intptr_t)') 2020-09-21 20:02:55 +02:00
Daniel Marjamäki bca3605f77 astyle formatting 2020-09-21 19:48:04 +02:00
Oliver Stöneberg 7189b303ae
fixed some modernize-loop-convert clang-tidy warnings (#2815) 2020-09-21 19:30:47 +02:00
Paul Fultz II 7b6d3f8061
Fix issue 9907: False positive: knownEmptyContainer after function call with :: (#2814) 2020-09-20 22:37:28 +02:00
Daniel Marjamäki 730b95331e Fixed #9905 (False positive: known argument 'header.length()') 2020-09-20 20:17:10 +02:00
Daniel Marjamäki c563944fdd astyle formatting 2020-09-20 20:14:30 +02:00
Paul Fultz II 857722f859
Fix issue 9711: FP knownConditionTrueFalse for variable modified via pointer (#2813) 2020-09-20 14:27:09 +02:00
Paul Fultz II c2e8051196
Fix issue 9904: False positive: duplicateCondition when modifying variable in lambda (#2811) 2020-09-18 07:44:26 +02:00
Paul Fultz II e5d0ffdbe7
Fix issue 9900: False positive: Returning lambda that captures local variable 'x' that will be invalid when returning. (#2809) 2020-09-17 08:33:52 +02:00
Paul Fultz II 782684a7cc
Fix issue 9530: False positive: Reference to temporary returned when using initializer lists (#2796) 2020-09-17 08:33:16 +02:00
Paul Fultz II 11c99d7387
Fix issue 9880: False positive: danglingLifetime (#2810) 2020-09-17 07:23:38 +02:00
Paul Fultz II ebbff08932
Fix issue 9899: False positive: Non-local variable will use object that points to local variable (#2808) 2020-09-15 07:11:52 +02:00
Daniel Marjamäki 3459f0da32 Fixed #9812 (False positive; syntax error 'using array_p = const array_t *;') 2020-09-14 21:59:58 +02:00
shaneasd 53a0760fdf
Improve ast generation for templated function parameters (#2803) 2020-09-14 18:44:50 +02:00
Paul Fultz II a42976d656
Fix issue 9898: false positive: knownConditionTrueFalse (#2806) 2020-09-14 18:43:11 +02:00
Daniel Marjamäki 4dd85cfbe0
Merge pull request #2802 from rikardfalkeborn/9228-fix-fn-with-realloc-and-null-assignment
Improve memleakOnRealloc with assignment to NULL
2020-09-14 11:04:29 +02:00
Paul Fultz II 94850fec3f
Fix issue 9897: False positive: nullPointerRedundantCheck (#2805) 2020-09-14 09:17:29 +02:00
Paul Fultz II bb7164171c
Fix issue 9894: ValueFlow: wrong known value below while with assignment (#2804)
* Fix issue 9894: ValueFlow: wrong known value below while with assignment
2020-09-14 08:03:25 +02:00
Rikard Falkeborn 791051ced0 Fix #9228 (FN common realloc mistake with assignment of NULL)
Do not match for assignments with NULL.
2020-09-13 21:49:49 +02:00
Rikard Falkeborn da8ad9ce19 memleakOnRealloc: Don't warn if pointer is NULL in condition 2020-09-12 18:48:23 +02:00
Paul be900873cc FIx issue 9895: ValueFlow: Wrong known value below function call with reference parameter 2020-09-11 16:03:57 -05:00
Daniel Marjamäki e03a8e1dc1 Fixed #9892 (Crash: endless recursion in Token::typeDecl for expression 'auto combo = widget->combo = new Combo{};') 2020-09-11 21:29:48 +02:00
Daniel Marjamäki 600538a325
Merge pull request #2793 from Ken-Patrick/mixedoperators
Fix false positives with condition with || and &&
2020-09-11 10:11:31 +02:00
Daniel Marjamäki d46b9cec5f
Merge pull request #2795 from pfultz2/fp-lifetime-temp-function-obj
Fix issue 9889: False positive: Using reference to dangling temporary with function object
2020-09-11 09:05:43 +02:00
Daniel Marjamäki 92d65a1824 astyle formatting 2020-09-11 08:51:12 +02:00
Daniel Marjamäki 7e02789d3f
Merge pull request #2794 from pfultz2/lifetime-temp-ref-move
Fix issue 9888: False positive: Using reference to dangling temporary with std::move
2020-09-11 07:20:32 +02:00
Daniel Marjamäki ac66f67bad
Merge pull request #2790 from pfultz2/forward-analyze-accumulate-actions
Fix issue 9833: False positive: Division by zero when using pointer to struct
2020-09-11 07:17:10 +02:00
Paul c568e8ea78 Format 2020-09-10 22:59:19 -05:00
Paul 71bc79ac28 Fix issue 9889: False positive: Using reference to dangling temporary with function object 2020-09-10 22:58:17 -05:00
Paul b26c581556 Fix issue 9888: False positive: Using reference to dangling temporary with std::move 2020-09-10 22:38:31 -05:00
Paul 6394ad2643 Format 2020-09-10 17:07:13 -05:00
Paul 4d1b3e06c7 Fix FPs 2020-09-10 17:06:49 -05:00
Ken-Patrick Lehrmann a114bf0293 Fix false positives with condition with || and &&
The value of something in the middle of a condition with mixed || and &&
gives no information on which branch will be taken.
For instance with:
```
int f(int a, int b, bool x) {\n"
  if (a == 1 && (!(b == 2 && x))) {
  } else {
    if (x) {
    }
  }

  return 0;
}
```
We can enter the if part whether x is true or false, and similarly,
enter the else part whether x is true or false. Same thing with the
value of b.

This fixes the following false positive with above code:
```
:4:13: style: Condition 'x' is always true [knownConditionTrueFalse]
        if (x) {
            ^
:2:33: note: Assuming that condition 'x' is not redundant
    if (a == 6 && (!(b == 21 && x))) {
                                ^

```
2020-09-10 23:27:39 +02:00
Daniel Marjamäki 2b12ef653d
Merge pull request #2792 from IOBYTE/main
fix #9886 (Hang in TemplateSimplifier (gcc/gcc/testsuite/g++.dg/cpp0x…
2020-09-10 21:47:44 +02:00
Daniel Marjamäki 51f5f2c7d0 Fix inline suppressions problem 2020-09-10 21:46:15 +02:00
Robert Reif a52ce7379a fix #9886 (Hang in TemplateSimplifier (gcc/gcc/testsuite/g++.dg/cpp0x/decltype34.C)) 2020-09-10 14:47:59 -04:00
Daniel Marjamäki f052d32e31 astyle formatting 2020-09-10 08:02:45 +02:00
Daniel Marjamäki d60520137c ExprEngine: Refactoring 2020-09-10 08:02:15 +02:00
Paul 5033fb4418 Fix issue 9869: False positive: knownEmptyContainer when passed to constructor 2020-09-09 22:23:42 -05:00
Paul bb9dbaa8f5 Format 2020-09-09 21:32:07 -05:00
Paul 75b955b9c6 Fix issue 9833: False positive: Division by zero when using pointer to struct 2020-09-09 21:29:26 -05:00
Paul Fultz II 34d65e25d6
Merge branch 'main' into lifetime-subfunction 2020-09-09 12:02:02 -05:00
Daniel Marjamäki 7c8c0ef3a2 Bug hunting: Avoid uninit struct member false positives 2020-09-09 18:26:04 +02:00
Daniel Marjamäki f95a53b0ca Fixed #9821 (False positive: Delegating constructor and initialization list) 2020-09-09 18:04:21 +02:00
Daniel Marjamäki 687b44dbb7 Token: add flag for splitted variable declaration with initialization 2020-09-09 16:22:47 +02:00
Paul Fultz II bfe53fce04
Fix issue 9878: false positive: multiCondition (#2787) 2020-09-09 15:39:36 +02:00
Daniel Marjamäki b1401c6536
Merge pull request #2789 from pfultz2/smart-ptr-constructor
Fix issue 9496: False negative: Dereferencing returned smart null-pointer
2020-09-09 08:16:30 +02:00
Daniel Marjamäki 1c37423f1b
Merge pull request #2788 from pfultz2/lifetime-dangling-temp-reference
Fix issue 9835: False negative: Return reference to temporary with const reference
2020-09-09 08:01:22 +02:00
Paul 965fea370f Formatting 2020-09-08 21:55:53 -05:00
Paul 382408f59e Fix issue 9496: False negative: Dereferencing returned smart null-pointer 2020-09-08 21:54:38 -05:00
Paul 8d7088aa24 Fix issue 9835: False negative: Return reference to temporary with const reference 2020-09-08 18:30:45 -05:00
Daniel Marjamäki 5376decbe7
Merge pull request #2783 from pfultz2/out-of-bounds-at-index 2020-09-08 20:30:31 +02:00
Paul 8c425790f4 Merge branch 'main' into lifetime-subfunction 2020-09-08 13:18:01 -05:00
Daniel Marjamäki 18e99176e5
Fix issue 9883: endless recursion in getLifetimeTokens (#2786) 2020-09-08 20:14:54 +02:00
Paul Fultz II 5099ca3c8b
Fix issue 9882: segfault in ForwardTraversal (#2785) 2020-09-08 20:14:10 +02:00
Paul 1753c2ddee Remove known conditions 2020-09-08 12:39:27 -05:00
Paul d5489fd1f0 Fix issue 9883: endless recursion in getLifetimeTokens 2020-09-08 11:33:29 -05:00
Paul 1be67ea008 Merge 2020-09-08 11:00:57 -05:00
Daniel Marjamäki e802d85315 Fixed #9445 (Syntax error on typeof word in C) 2020-09-08 17:12:54 +02:00
Daniel Marjamäki c0ef640304 Fixed #9881 ((Regression) Hang with operator() in function call) 2020-09-07 21:32:29 +02:00
Daniel Marjamäki 07f6876dc8 Bug hunting; avoid uninit var fp for struct variables 2020-09-07 21:19:07 +02:00
Daniel Marjamäki cfd41fea83 Fixed #9879 (Tokenizer: Better handling of operator() '(*this)(...)') 2020-09-07 20:07:21 +02:00
IOBYTE 2106e30304
fix template namespace bug (#2780)
Co-authored-by: Robert Reif <reif@FX6840>
2020-09-07 17:45:19 +02:00
Daniel Marjamäki acfff072ae Bug hunting; avoid bughuntingUninitVar fp for template variable 2020-09-07 16:25:37 +02:00
Daniel Marjamäki 0c6dc84cbb astyle formatting
[ci skip]
2020-09-07 10:56:02 +02:00
Paul Fultz II ac67049661
Fix issue 9858: Token::astOperand1() cyclic dependency on valid C++ code (#2784) 2020-09-07 10:54:32 +02:00
Paul Fultz II 362ab44c40
Fix issue 9646: False negative: Return reference to temporary with const reference (#2782) 2020-09-07 10:52:54 +02:00
Daniel Marjamäki 06c4b8897b Bug hunting: Avoid uninitialized fp for smart pointer 2020-09-07 09:34:08 +02:00
Paul Fultz II a4f43fc2ad
Fix issue 8234: false negative: (warning) Opposite inner 'if' condition leads to a dead code block. (#2781) 2020-09-07 07:53:41 +02:00
Paul 7754449fd6 Format 2020-09-06 23:48:05 -05:00
Paul 04c85baf03 Fix issue 8869: false negative: (error) Invalid v.at() argument nr 1 2020-09-06 23:46:31 -05:00
Paul 786672e19d Format 2020-09-06 21:59:21 -05:00
Paul c7a5d3c5f1 Fix FPs 2020-09-06 21:58:36 -05:00
Daniel Marjamäki 136ac2c643 Fixed #9266 (handle operator() better) 2020-09-06 21:02:06 +02:00
Daniel Marjamäki 54b5e77548 TestImportProject: Use raw strings 2020-09-06 16:00:19 +02:00
Dan 7efd84ecaf
Fix false skipping of folder-seperator (#2749) 2020-09-06 15:35:14 +02:00
Daniel Marjamäki 9a943e7616 misra: rewrote rule 12.3 2020-09-06 11:33:37 +02:00
Daniel Marjamäki 7969bf7ae8 Token: Add 'isSplittedVarDecl attribute 2020-09-06 11:02:22 +02:00
Daniel Marjamäki c7aed8bd0e astyle formatting 2020-09-06 07:47:17 +02:00
Oliver Stöneberg fb37137216
extended the --clang command-line option so you can specify a custom … (#2734) 2020-09-06 07:46:51 +02:00
Daniel Marjamäki b0b31feadd fix ubsan errors 2020-09-05 21:09:11 +02:00
shaneasd 9712c136bd
make result of <<|>> an xvalue (#2775) 2020-09-05 12:07:06 +02:00
Daniel Marjamäki 7d51baa2f0 Fixed GCC warning, variable bodyTok is unused. False negative ticket: #9876 2020-09-05 08:17:40 +02:00
Daniel Marjamäki a102574e3f astyle formatting 2020-09-05 08:00:51 +02:00
Paul Fultz II cc2bc74084
Track lifetime for lambdas with explicit capture (#2776) 2020-09-05 07:56:01 +02:00
Daniel Marjamäki 8027f40418 Fixed #8506 (CPPCheck printing invalid characters in output) 2020-09-04 20:43:54 +02:00
Daniel Marjamäki 1daf1ec108 Fixed #9875 (Crash) 2020-09-04 19:15:48 +02:00
Paul 264c0cae8b Formatting 2020-09-04 11:59:30 -05:00
Paul bb37b07def Extend lifetimes to subfunctions 2020-09-04 11:56:34 -05:00
Daniel Marjamäki 30d3643bb8 Fixed #9851 (FP virtualDestructor - private virtual dtor) 2020-09-04 18:56:12 +02:00
Daniel Marjamäki 7d01ad5b50 add test-clang-import that compares symboldatabases 2020-09-04 15:29:19 +02:00
IOBYTE 2db0d2878b
fix daca crash in TemplateSimplifier::getNewName (#2772)
Don't add the same template instantiation multiple times.

Co-authored-by: Robert Reif <reif@FX6840>
2020-09-04 07:08:28 +02:00
shaneasd 84dd0c961f
False positive dynamic_cast auto variable which has been checked against null (#2769) 2020-09-04 07:06:26 +02:00
Daniel Marjamäki 5cd92a0eb1 test/cli/test-clang-import: Improved testing 2020-09-03 19:49:02 +02:00
Daniel Marjamäki efa113db55 Refactoring; do not use pointless lambda 2020-09-03 18:58:25 +02:00
Daniel Marjamäki 5acd6fcdc8 astyle formatting 2020-09-03 18:55:40 +02:00
shaneasd 08ea6435ac
fix false positives in constParameter (#2758) 2020-09-03 18:44:44 +02:00
Daniel Marjamäki 3fe46239cf SymbolDatabase; Refactoring, use Tokenizer::isFunctionHead to skip function attributes 2020-09-03 11:21:12 +02:00
Dan 974b6fb8e5
Add test cases for assign operators with default implementation (#2767) 2020-09-03 07:29:54 +02:00
Paul Fultz II 090eba7e7f
FIx issue 6140: ValueFlow: valueFlowForward, loop (#2770) 2020-09-03 07:17:36 +02:00
Daniel Marjamäki 638dcd0aca Fixed #9820 (Crash when --clang used with .c file) 2020-09-02 20:29:23 +02:00
Paul Fultz II 03cefd5d70
Fix issue 9853: False positive: returnReference when using a pointer to container (#2765) 2020-09-02 20:01:08 +02:00
Daniel Marjamäki 12d51ae5c4 Fixed #9809 (Tokenizer; Fix handling of variable declaration with @) 2020-09-02 13:04:33 +02:00
Daniel Marjamäki c1e03d63b2 astyle formatting
[ci skip]
2020-09-02 13:03:30 +02:00
Paul Fultz II 32df807b22
Fix issue 9783: wrong lifetime analysis temporary assigned to object (#2711) 2020-09-02 07:13:15 +02:00
Paul Fultz II dea5a23c34
Improve check: check for known empty containers passed to algorithms (#2768) 2020-09-02 07:11:23 +02:00
Daniel Marjamäki 8e79b0c8bc astyle formatting
[ci skip]
2020-09-01 20:00:04 +02:00
Daniel Marjamäki 1f8896e51c clang import: try to handle CXXFunctionalCastExpr 2020-09-01 19:59:41 +02:00
Paul Fultz II ba84196dca
Fix issue 9865: false positive: knownConditionTrueFalse (#2764) 2020-09-01 11:22:38 +02:00
Paul Fultz II 0a718694af
Fix issue 9852: False positive: danglingTemporaryLifetime when returning a vector of vectors (#2766) 2020-09-01 11:21:29 +02:00
Paul Fultz II 3e99bff764
Same expression when comparing with zero (#2762) 2020-08-31 08:48:48 +02:00
Paul Fultz II 1c5f496350
Fix issue 8373: false negative: invalid iterator (#2761) 2020-08-31 08:46:56 +02:00
Daniel Marjamäki d23fd26ce0 Cppcheck: Try to fix addon problems when paths have spaces 2020-08-30 18:15:48 +02:00
Daniel Marjamäki 18c29544eb astyle formatting 2020-08-28 19:29:33 +02:00
Paul Fultz II 6ab3c93fb1
Fix issue 9756: false negative: invalid iterator from std::find_if (#2760) 2020-08-28 19:29:09 +02:00
Paul Fultz II 82bdbcd73b
Fix issue 9859: false positive: knownConditionTrueFalse (#2759) 2020-08-28 19:26:09 +02:00
Paul Fultz II 494fff65b7
Add outOfBounds check for iterators to containers (#2752) 2020-08-26 21:05:17 +02:00
IOBYTE 8774e97f26
fix #9771 (Syntax error; operator != <> ()) (#2757) 2020-08-26 18:39:33 +02:00
Daniel Marjamäki bb5cad42cd astyle formatting
[ci skip]
2020-08-26 10:15:09 +02:00
Paul Fultz II 9ec27c112f
Fix issue 9855: false positive: uninitvar (#2754) 2020-08-26 07:02:15 +02:00
IOBYTE 7cf3909275
fix #9854 (Syntax error on valid C++ code) (#2756) 2020-08-26 07:00:58 +02:00
Paul Fultz II 46bf2d7d52
Dont diagnose impossible values for iterators (#2755) 2020-08-26 06:58:53 +02:00
shaneasd 45fc6a0eeb
Test for syntax error in nested templates (#2746) 2020-08-25 07:14:44 +02:00
Paul Fultz II ec89c57a90
Fix issue 9849: false positive: containerOutOfBounds (#2753) 2020-08-25 07:12:41 +02:00
Daniel Marjamäki 6277eece67 Variable contracts 2020-08-24 20:57:49 +02:00
Paul Fultz II 02287d9d34
Fix issue 7324: valueFlowForward : decrement (#2737) 2020-08-24 13:10:36 +02:00
Georgy Komarov c5369b84e1
Prevent copying in range-based for loops (#2751)
Use reference types in range for loops to prevent copying.
2020-08-23 20:53:44 +02:00
Daniel Marjamäki 2bb73840fc astyle formatting 2020-08-23 17:17:33 +02:00
Paul Fultz II ac846b96d1
New check: Iterating a known empty container (#2740) 2020-08-22 09:16:26 +02:00
Paul Fultz II becdf20310
Fix crash in isSameExpression (#2748) 2020-08-22 07:05:21 +02:00
Kamil Dudka 33fb0e782e
enable moduloofone reports only with --enable=style (#2747)
... because it is reported with Severity::style
2020-08-21 20:43:03 +02:00
Daniel Marjamäki e0e70c2531 Fixed compiler warnings 2020-08-21 17:23:55 +02:00
eivindt 27e40af06c
Add support for comments at end of suppression in suppression files (#2736) 2020-08-20 21:49:07 +02:00
Paul Fultz II a332062385
Add exprId to tokens (#2744) 2020-08-20 18:21:29 +02:00
Daniel Marjamäki 6446790d48
Merge pull request #2739 from dan-42/fix_ticket_9839_ast_error
Fix ticket 9839: AST broken; range for loop that uses decltype
2020-08-18 21:59:50 +02:00
Paul 7776fb82a2 Fix issue 737: new check: Dereference end iterator 2020-08-17 16:36:45 -05:00
Daniel Friedrich f413c9cad8 Improve handling of decltype( in for loops
Simplify pattern macht and token selection

Improve handling of decltype( in for loops
2020-08-17 20:52:14 +02:00
Paul e759508335 Remove reduntant condition 2020-08-13 10:10:26 -05:00
Paul a509de4d70 Add moves 2020-08-11 11:50:27 -05:00
Paul 96b74c57ff Remove useless condition 2020-08-11 11:26:40 -05:00
Paul 8c7e91c985 Remove old container forward 2020-08-10 22:09:33 -05:00
Paul 71c228a01a Check for containers that modify the size using square bracket 2020-08-10 22:07:22 -05:00
Paul a5b0a1c9e2 Evaluate container size in program memory 2020-08-10 20:08:49 -05:00
Paul fec2914700 Add tests for container changes 2020-08-09 22:52:03 -05:00
Paul 26693df788 Use forward analyzer for container forward 2020-08-08 00:10:03 -05:00
Daniel Marjamäki b263b93f73
Merge pull request #2732 from pfultz2/invalid-container-subobj
Fix issue 9780: FP: invalidContainer calling push_back after getting the address of the vector
2020-08-07 09:52:25 +02:00
Paul 56affc9080 Fix issue 9780: FP: invalidContainer calling push_back after getting the address of the vector 2020-08-06 21:08:30 -05:00
Daniel Marjamäki 5372e93964 Fixed #9825 (redundantAssignment: Do not warn about volatile data) 2020-08-06 22:18:25 +02:00
Paul 0cc1f69862 Fix issue 9770: FP returnDanglingLifetime for class method taking const char* and returning std::string 2020-08-05 23:17:35 -05:00
Daniel Marjamäki 72fa5f2e27 Fixed #9752 (ValueFlow: Uninit after assignment with '&') 2020-08-05 22:57:06 +02:00
Daniel Marjamäki d5b64d9c3a Clarify inconclusive uninitMemberVar warning in copy constructors, it's in general a good idea to copy all the data. 2020-08-05 13:57:40 +02:00
Daniel Marjamäki 7a85b8e452 Do not ask that calculation is clarified when different order would be invalid 2020-08-05 13:20:18 +02:00
Jens Yllman 10ac0bcf54 changed variable name to match guidelines 2020-07-29 12:13:21 +02:00
Jens Yllman 62f5f248be use simplifyPath() to make sure file name is same as in the checks 2020-07-28 22:19:27 +02:00
Daniel Marjamäki fa32624c93 ValueFlow: Avoid UB in shift when rhs is negative 2020-07-25 14:13:21 +02:00
Daniel Marjamäki fab3a8efc8
Merge pull request #2721 from KenPatrickLehrmann/compound_assign_bitshift
Add missing operators <<= and >>=
2020-07-25 09:39:32 +02:00
Daniel Marjamäki b4552dedb0 Fix Cppcheck warning 2020-07-24 19:58:36 +02:00
Daniel Marjamäki 6a839ad511 Fixed #9814 (False positive: functionConst, trailing return type) 2020-07-24 19:40:42 +02:00
Paul 46e008c3e2 Fixed #9816 (False positive: Condition '!b' is always false in nested do-while loop) 2020-07-24 08:13:14 +02:00
Daniel Marjamäki a11a0e79e4 Fixed Cppcheck internal warning 2020-07-23 18:54:40 +02:00
Ken-Patrick LEHRMANN a923115710 Add missing operators <<= and >>=
This fixes issues (at least false positives) in code using them.
For instance:

```
unsigned compute(unsigned long long a) {
    unsigned num = 0;
    while (a > 0xFFFFFFFF) {
      a >>= 32;
      num += 32;
    }
    if (a > 0xFFFF) {
      a >>= 16;
      num += 16;
    }
    if (a > 0xFF) {
      num += 8;
    }
    return num;
}
```

would give false positive:
```
cppcheck --enable=style  sl3.cpp
Checking sl3.cpp ...
sl3.cpp:11:11: style: Condition 'a>0xFF' is always false [knownConditionTrueFalse]
    if (a > 0xFF) {
          ^
sl3.cpp:3:14: note: Assuming that condition 'a>0xFFFFFFFF' is not redundant
    while (a > 0xFFFFFFFF) {
             ^
sl3.cpp:11:11: note: Condition 'a>0xFF' is always false
    if (a > 0xFF) {
          ^
```
2020-07-23 14:36:34 +02:00
Daniel Marjamäki 682a6d1c02 Fixed #9017 (Simple classes without side effects not reported as unused) 2020-07-23 11:10:08 +02:00
Daniel Marjamäki 25ad22c6af astyle formatting
[ci skip]
2020-07-23 10:09:06 +02:00