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735 Commits

Author SHA1 Message Date
Jeroen Ketema
20b66eaf34 C++: Support __builtin_shuffle builtin 
While here write gcc instead of GNU, which is more accurate.
 2022-07-29 09:08:56 +02:00
Jeroen Ketema
81e687ea98 C++: Support __builtin_bit_cast builtin 2022-07-29 09:08:56 +02:00
Jeroen Ketema
a85d3f9b7f C++: Support __has_unique_object_representations builtin 2022-07-29 09:08:56 +02:00
Jeroen Ketema
0c03935437 C++: Support __is_aggregate builtin 
Fix some whitespace issues while here.
 2022-07-29 09:08:56 +02:00
Jeroen Ketema
c4283dd23f C++: Support __is_assignable builtin 
While here fix the documentation of `__is_trivially_assignable` and
`__is_nothrow_assignable`.
 2022-07-29 09:08:56 +02:00
Jeroen Ketema
a9d95a9418 C++: Remove pragma[noinline] from ResolveGlobalVariable.ql 2022-07-22 17:59:27 +02:00
Jeroen Ketema
23c19311fb Merge pull request #9700 from jketema/resolve-global-variable 
C++: Ensure only one `Variable` exists for every global variable
 2022-07-22 17:57:21 +02:00
Erik Krogh Kristensen
625e37a0da fix typo 
Co-authored-by: intrigus-lgtm <60750685+intrigus-lgtm@users.noreply.github.com>
 2022-07-14 21:53:21 +02:00
Erik Krogh Kristensen
85a652f3d1 remove a bunch of repeated words 2022-07-14 12:42:48 +02:00
Jeroen Ketema
c18428f1a9 Merge pull request #9785 from bdrodes/main 
C++: Nullness.qll bug fixes
 2022-07-12 21:43:44 +02:00
Jeroen Ketema
f7c4fa691d Apply suggestions from code review 
Co-authored-by: Geoffrey White <40627776+geoffw0@users.noreply.github.com>
 2022-07-12 16:59:15 +02:00
Jeroen Ketema
d63b0946d9 C++: Use ConditionDeclExpr in AnalysedExpr::isDef 2022-07-12 15:22:13 +02:00
Jeroen Ketema
2ceb25dc9a C++: Order left and right operands in the logical left to right order 2022-07-12 15:21:37 +02:00
Jeroen Ketema
c75599c3da C++: Clarify the "most-specific" part of FunctionCall:getTarget 2022-07-12 10:28:19 +02:00
REDMOND\brodes
4379aa4398 Adding Initializer in condition as an occurance of isDef 2022-07-07 10:32:36 -04:00
REDMOND\brodes
74ff579dbc Fixing logic bug with LogicalAndExpr 2022-07-06 15:19:36 -04:00
Jeroen Ketema
82c9b8b494 C++: Ensure only one Variable exists for every global variable 
Depending on the extraction order, before this change there might be multiple
`GlobalVariable`s per declared global variable. See the tests in
`cpp/ql/test/library-tests/variables/global`. This change ensures that only one
of those `GlobalVariable`s is visible to the user if we can locate a unique
definition. If not, the old situation persists.

Note that an exception needs to be made for templated variables. Here, the
definition refers to the non-instantiated template, while a declaration that
is not a definition refers to an instantiation. In case the instantiation refers
to a template parameter, the mangled names of the template and the instantiation
will be identical. This happens for example in the following case:
```
template <typename T>
T x = T(42);           // Uninstantiated templated variable

template <typename T>
class C {
  T y = x<T>;          // Instantiation using a template parameter
};
```
Since the uninstantiated template and the instantiation are two different
entities, we do not unify them as described above.
 2022-06-28 15:32:43 +02:00
Anders Schack-Mulligen
dc517a758e Autoformat 2022-06-23 14:44:40 +02:00
Anders Schack-Mulligen
4a317a25d3 Dataflow: Sync. 2022-06-23 14:34:52 +02:00
Jeroen Ketema
b3ac7bda35 C++: Remove redundant parentheses 2022-06-23 07:25:53 +02:00
Jeroen Ketema
9cfd1a84b6 C++: Remove out-of-date comment, as we use mangled names in ResolveClass.qll 2022-06-23 07:24:04 +02:00
Mathias Vorreiter Pedersen
1febe87356 Merge pull request #9644 from jketema/class-entry-fix 
C++: Ensure we can round trip between (forward) class declarations
 2022-06-22 14:12:11 +01:00
Anders Schack-Mulligen
df6d68b215 Merge pull request #9618 from aschackmull/dataflow/deprecate-barrierguard-class 
Dataflow: Deprecate BarrierGuard class
 2022-06-22 10:44:08 +02:00
Jeroen Ketema
880c785efe C++: Ensure we can round trip between (forward) class declarations 
This was already possible when the forward class declaration and the class
definition occurred in the same scope. However, there is a common C++ usage
pattern in which this is not the case (when only a pointer to the class is
needed). In this latter scenario we could not round trip between the (forward)
`DeclarationEntry` and the `Declaration`.

Effectively this changes the code to:
```
if exists(TypeDeclarationEntry e | e.getType() = this)
then result.getType() = this
else ...
```
We use `type_decls` instead to stay close to the original code.
 2022-06-22 07:58:45 +02:00
Robert Marsh
8b47b838ca C++: autoformat 2022-06-20 15:56:00 -04:00
Robert Marsh
33910a85b9 C++: restrict global variable IR generation 2022-06-20 15:51:44 -04:00
Robert Marsh
7818dafecc C++: cleanup some implicit this usage 2022-06-20 15:48:30 -04:00
Robert Marsh
54488eb49b C++: fix global vars accesses in global vars 2022-06-20 15:46:49 -04:00
Robert Marsh
048e5d8474 C++: IR data flow through global variables 2022-06-20 15:15:45 -04:00
Robert Marsh
c216176de1 C++: sync and accept new consistency test 2022-06-20 15:15:40 -04:00
Robert Marsh
f0634140b6 C++: fix inconsistencies from IR global vars 2022-06-20 14:41:10 -04:00
Robert Marsh
e0878d7d3c C++: Fix IR variable reuse for global var inits 2022-06-20 14:41:02 -04:00
Robert Marsh
767b0cfdfb Revert "Merge pull request #8933 from MathiasVP/revert-globals" 
This reverts commit 2517371a37, reversing
changes made to db856798b9.
 2022-06-20 14:26:10 -04:00
Anders Schack-Mulligen
bbb8d29442 C/C++: Deprecate BarrierGuard class. 2022-06-17 14:29:05 +02:00
Anders Schack-Mulligen
6518a01ded Dataflow: Sync. 2022-06-16 11:25:28 +02:00
Robert Marsh
1a94ffb726 C++: autoformat 2022-06-14 15:59:47 -04:00
Robert Marsh
5f77552c37 Merge branch 'main' into rdmarsh2/fix-ir-globals 2022-06-13 12:43:08 -04:00
Geoffrey White
3ae60808c1 Merge pull request #9399 from geoffw0/cleartextbufferwriteperf 
C++: Improve performance of Printf::callsVariadicFormatter.
 2022-06-13 14:32:55 +01:00
Geoffrey White
cd4ff54743 C++: Improve performance of Printf::callsVariadicFormatter. 2022-06-01 13:17:10 +01:00
Anders Schack-Mulligen
4f3751dfea Merge pull request #9316 from hvitved/dataflow/edges-get-a-successor-consistency 
Data flow: Make `PathGraph::edges/2` and `PathNode::getASuccessor/1` consistent
 2022-06-01 10:38:25 +02:00
Jeroen Ketema
38be04461e C++: Introduce relation for tracking braced initializers 2022-05-30 16:26:19 +02:00
Tom Hvitved
bcdef98392 Data flow: Sync files 2022-05-25 14:39:37 +02:00
Tom Hvitved
728ccafe2b Merge pull request #9024 from hvitved/dataflow/content-flow-lib 
Data flow: Introduce `ContentDataFlow.qll`
 2022-05-24 15:09:16 +02:00
Geoffrey White
dcbd5dd98a Merge branch 'main' into reachesperf 2022-05-23 14:49:32 +01:00
Anders Schack-Mulligen
f2218944f6 Merge pull request #9214 from hvitved/dataflow/lambda-fp-flow 
Data flow: Do not discard call context when computing reverse lambda flow through jumps
 2022-05-23 10:02:51 +02:00
Robert Marsh
6d267be1a1 C++: merge main and accept test changes 2022-05-20 14:37:09 -04:00
Tom Hvitved
f83deb6571 Data flow: Sync files 2022-05-19 15:20:43 +02:00
Tom Hvitved
2b2ac06128 Data flow: Sync files 2022-05-19 13:28:56 +02:00
Erik Krogh Kristensen
86e97c32d6 fix all ql/use-string-compare 2022-05-17 14:11:05 +02:00
Nick Rolfe
c518150b49 Merge pull request #9132 from github/nickrolfe/misspelling 
QL for QL: generalise non-US spelling query
 2022-05-16 16:03:36 +01:00