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3967 Commits

Author SHA1 Message Date
Anders Schack-Mulligen
4b2e8c0b57 C++/C#/Go: Add empty extensible data. 2025-12-12 09:17:51 +01:00
Anders Schack-Mulligen
5bddc8d289 Go: Move Go package-grouping support into shared lib. 2025-12-12 09:17:51 +01:00
Anders Schack-Mulligen
e262438557 C++: Use shared model coverage code. 2025-12-12 08:20:20 +01:00
Anders Schack-Mulligen
07252519c8 Java/C++: Thread additional models through the shared lib. 2025-12-12 08:20:20 +01:00
Anders Schack-Mulligen
47dcf05a32 C++/Go/Java: Don't import top-level extensible predicates. 2025-12-12 08:20:19 +01:00
Anders Schack-Mulligen
0915db4f6b C++/C#/Go: Use shared interpretModelForTest. 2025-12-12 08:20:18 +01:00
Anders Schack-Mulligen
f0e7f1af2c C++/C#/Go: Align ExternalFlowExtensions with Java. 2025-12-12 08:20:18 +01:00
Anders Schack-Mulligen
7285a8e1c5 Merge pull request #20986 from aschackmull/java/mad-barriers 
Java: Support for MaD barriers and barrier guards.
 2025-12-12 07:53:53 +01:00
Anders Schack-Mulligen
5ab26e481b Add dummy instantiations for other languages. 2025-12-11 16:24:27 +01:00
idrissrio
84bbe71522 C/C++ overlay: Discard xml entities 2025-12-11 15:41:35 +01:00
idrissrio
3f372d2658 C/C++ overlay: Add overlay support for discarding macro invocations 2025-12-11 12:09:04 +01:00
idrissrio
1286ca6683 C/C++ overlay: Add overlay support for discarding namespaces 2025-12-11 12:09:02 +01:00
idrissrio
c34456e3a0 C/C++ overlay: Add overlay support for discarding user types 2025-12-11 12:09:01 +01:00
idrissrio
4702e208b7 C/C++ overlay: Add overlay support for discarding functions 2025-12-11 12:09:00 +01:00
Anders Schack-Mulligen
09058e48aa Guards: Rename -WithState to Parameterized-. 2025-12-10 12:23:51 +01:00
Anders Schack-Mulligen
ebb989962c Guards: Generalise ValidationWrapper to support GuardValue-based BarrierGuards. 2025-12-10 12:23:51 +01:00
github-actions[bot]
085faa2bdb Post-release preparation for codeql-cli-2.23.7 2025-12-02 16:39:43 +00:00
github-actions[bot]
a045b317ac Release preparation for version 2.23.7 2025-12-02 15:31:27 +00:00
github-actions[bot]
19a13467e0 Release preparation for version 2.23.7 2025-12-01 16:07:37 +00:00
Idriss Riouak
9fd31bf685 Merge pull request #20909 from github/idrissrio/cpp/overlay/overlay.qll 
C/C++ overlay: Add basic `Overlay.qll` file
 2025-11-28 15:09:39 +01:00
idrissrio
4ad25e4d92 C/C++ overlay: Address review comments 2025-11-28 14:16:10 +01:00
idrissrio
eac06ddd8f C/C++ overlay: Address review comments 
Split the discard predicate into two: one for single-location elements and one for multi-location elements.
 2025-11-28 11:31:16 +01:00
idrissrio
3d69286382 C/C++ overlay: Address review comments 2025-11-27 09:22:33 +01:00
idrissrio
6c09325838 C/C++ Overlay: Preserve entities that have at least one location in an unchanged file 
Previously, an entity would be discarded if it had any location in a changed
file. This caused issues for entities with multiple declaration entries, such
as extern variables declared in one file and defined in another.

For example, given:
  // a.c (changed)       // b.c (unchanged)
  extern int x;          int x;

The variable `x` should be preserved because it has a location in the
unchanged file b.c, even though it also has a location in the changed file a.c.
 2025-11-27 09:22:31 +01:00
idrissrio
39136f3827 C/C++ overlay: Add basic Overlay.qll file 2025-11-27 09:22:29 +01:00
Mathias Vorreiter Pedersen
295dc6971f Merge branch 'main' into ignore-non-type-template-params 2025-11-25 15:37:25 +00:00
Mathias Vorreiter Pedersen
73b6fa69a9 C++: Fix Code Scanning alert. 2025-11-25 15:03:26 +00:00
Mathias Vorreiter Pedersen
05737af165 C++: Only support non-type template parameters in tail position. 2025-11-25 14:55:44 +00:00
Jeroen Ketema
861ca7526e Merge branch 'main' into canonical-content 2025-11-25 14:08:42 +01:00
Mathias Vorreiter Pedersen
47ab307410 C++: Respond to review comments. 2025-11-25 12:06:58 +00:00
Mathias Vorreiter Pedersen
eb6b08591d Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-24 15:01:09 +00:00
Mathias Vorreiter Pedersen
2e53370716 Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-24 15:01:00 +00:00
Ian Lynagh
555301cec7 Merge pull request #20874 from igfoo/igfoo/overlay 
C++: Add the beginnings of overlay support
 2025-11-24 14:11:09 +00:00
Mathias Vorreiter Pedersen
ecb80cb4fc C++: Represent field content using a column that is shared by all template instantiations. 2025-11-24 12:29:49 +00:00
Mathias Vorreiter Pedersen
fd566780a6 Update cpp/ql/lib/semmle/code/cpp/dataflow/ExternalFlow.qll 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-24 12:17:06 +00:00
Mathias Vorreiter Pedersen
732e55df11 C++: Ignore template non-type parameters in MaD signature matching. 2025-11-24 12:06:24 +00:00
Ian Lynagh
6c7370ea95 C++: Add up/downgrade scripts 2025-11-21 11:30:58 +00:00
Ian Lynagh
c2f96b94e3 C++: Update stats 2025-11-21 11:30:40 +00:00
Ian Lynagh
d5399300e9 C++: Add databaseMetadata and overlayChangedFiles tables to dbscheme 2025-11-21 11:30:40 +00:00
Ian Lynagh
42f0ce74ca C++: Enable overlay compilation 2025-11-19 17:34:06 +00:00
Mathias Vorreiter Pedersen
6c4def13b4 C++: Add change note. 2025-11-19 17:24:30 +00:00
Mathias Vorreiter Pedersen
4c09e554fc Merge branch 'main' into union-content-field-content-common-base-class 2025-11-19 17:17:45 +00:00
Jeroen Ketema
fe3f90e041 C++: Make getExpandedArgument more robust 
This make the predicate give back sensible results on (upgraded) databases
where we do not have expanded arguments, and avoid having to write case
distinctions in places where we would want to use `getExpandedArgument`.
 2025-11-19 12:49:54 +01:00
Jeroen Ketema
e235e0473a C++: Fix getAnExpandedArgument 
The fix was accidentially lost when rebasing the branch that introduced this
predicate.
 2025-11-19 12:49:02 +01:00
Mathias Vorreiter Pedersen
9bfe847fda C++: Fix awful joins on bochs: 
```
Evaluated relational algebra for predicate DataFlowPrivate::storeStepImpl/4#b2c79f9a@13be12rc with tuple counts:
           9   ~0%    {3} r1 = JOIN `FlowSummaryImpl::Private::Steps::summaryStoreStep/3#5c2d4899` WITH DataFlowUtil::TFlowSummaryNode#40da8361 ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Rhs.1
           9   ~0%    {4}    | JOIN WITH DataFlowUtil::TFlowSummaryNode#40da8361 ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Rhs.1, _
           9  ~12%    {4}    | REWRITE WITH Out.3 := true

     1853420   ~0%    {3} r2 = SCAN `DataFlowPrivate::nodeHasInstruction/3#f469bb06` OUTPUT In.1, In.0, In.2
      100282   ~0%    {3}    | JOIN WITH `Instruction::StoreInstruction.getDestinationAddressOperand/0#dispred#596a4aba` ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
      127910   ~0%    {6}    | JOIN WITH `DataFlowPrivate::numberOfLoadsFromOperand/4#7e555666_1023#join_rhs` ON FIRST 1 OUTPUT _, Lhs.1, Rhs.1, Rhs.3, Lhs.2, Rhs.2
      127910   ~0%    {4}    | REWRITE WITH Tmp.0 := 1, Out.0 := (Tmp.0 + In.4 + In.5) KEEPING 4
  4178182721   ~1%    {4}    | JOIN WITH `DataFlowUtil::FieldContent.getIndirectionIndex/0#dispred#cc69866f_10#join_rhs` ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2, Lhs.3
  4290552803   ~0%    {5}    | JOIN WITH `DataFlowUtil::FieldContent.getAField/0#dispred#ba1c91e5` ON FIRST 1 OUTPUT Lhs.2, Lhs.1, Lhs.3, Lhs.0, Rhs.1
  3033745816   ~5%    {7}    | JOIN WITH DataFlowUtil::PostFieldUpdateNode#b86f3a84_1023#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2, Lhs.3, Lhs.4, Rhs.2, Rhs.3
  3033745816   ~3%    {9}    | JOIN WITH DataFlowUtil::TPostUpdateNodeImpl#f5e76b7a_21#join_rhs ON FIRST 1 OUTPUT Lhs.1, Lhs.2, Lhs.3, Lhs.4, Lhs.0, Lhs.5, Lhs.6, Rhs.1, _
                      {8}    | REWRITE WITH Tmp.8 := 1, TEST InOut.7 = Tmp.8 KEEPING 8
  1516872908   ~0%    {7}    | SCAN OUTPUT In.4, In.5, In.6, In.0, In.1, In.2, In.3
  2409090286   ~1%    {6}    | JOIN WITH DataFlowUtil::PostFieldUpdateNode#b86f3a84_0231#join_rhs ON FIRST 3 OUTPUT Rhs.3, Lhs.6, Lhs.3, Lhs.4, Lhs.5, Lhs.0
       66016  ~45%    {4}    | JOIN WITH `DataFlowUtil::FieldAddress.getField/0#dispred#bdd01c1a` ON FIRST 2 OUTPUT Lhs.2, Lhs.4, Lhs.5, Lhs.3

       66025  ~45%    {4} r3 = r1 UNION r2
                      return r3
```
 2025-11-19 10:08:09 +00:00
Mathias Vorreiter Pedersen
a5601ce734 C++: Lift 'getTypeOperand' to the superclass. 2025-11-18 19:52:05 +00:00
Mathias Vorreiter Pedersen
7f0fcb0c46 C++: Create a common base class for 'NonUnionContent' and 'UnionContent' called 'FieldContent'. 2025-11-18 18:53:37 +00:00
Mathias Vorreiter Pedersen
7527d88762 C++: Get rid of abstract'ness from these public predicates. We are not supposed to have abstract public stuff. Oops ... 2025-11-18 18:52:20 +00:00
Mathias Vorreiter Pedersen
2af6db6320 C++: Rename 'FieldContent' to 'NonUnionContent'. 2025-11-18 18:51:33 +00:00
Paolo Tranquilli
48ee9dd149 Merge branch 'main' into post-release-prep/codeql-cli-2.23.6 2025-11-18 12:18:09 +01:00