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codeql-cli-2.7.4
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5096 Commits

Author SHA1 Message Date
Jonas Jensen
01a226bdcf C++: Rename multipliesBy->effectivelyMultipliesBy 
From code review of #4098.
 2020-08-18 16:53:29 +02:00
Jonas Jensen
b65f82210f Merge remote-tracking branch 'upstream/main' into SimpleRangeAnalysis-mul-constant 2020-08-18 16:51:56 +02:00
Jonas Jensen
f79c140dc1 C++: Cosmetic: use [0, 1] instead of [0 .. 1] 2020-08-18 16:48:23 +02:00
Jonas Jensen
dd5b561f08 C++: Use getValue(e) instead of e.getValue() 2020-08-18 16:45:24 +02:00
Jonas Jensen
b316644ac2 C++: SimpleRangeAnalysis for *= by constant 2020-08-18 15:07:20 +02:00
Jonas Jensen
ca1f5317b3 Merge pull request #4068 from geoffw0/uncontrolled-alloc-size 
C++: Downgrade `cpp/uncontrolled-allocation-size` query precision.
 2020-08-18 13:59:53 +02:00
Anders Schack-Mulligen
f75f5ab125 Merge pull request #3838 from hvitved/dataflow/flow-fwd-ctx 
Data flow: Use precise call contexts in `flowFwd()`
 2020-08-18 13:06:11 +02:00
Jonas Jensen
b6b72729f6 C++: SimpleRangeAnalysis for MulExpr by constant 2020-08-18 11:37:59 +02:00
Jonas Jensen
a7d9715fd9 C++: BinaryOperation.hasOperands 
QLDoc borrowed from JavaScript. Implementation borrowed from Java.
Parameter names changed.
 2020-08-18 10:28:59 +02:00
Geoffrey White
5d485859af Merge remote-tracking branch 'upstream/main' into 
uncontrolled-alloc-size
 2020-08-17 20:49:35 +01:00
Geoffrey White
390af0d7d2 C++: Autoformat. 2020-08-17 17:55:52 +01:00
Geoffrey White
0234bca6ca C++: Fix a hole in StdStringAppend and clarify comments. 2020-08-17 17:55:44 +01:00
Robert Marsh
9decb47bf0 Merge pull request #4076 from jbj/SimpleRangeAnalysis-AssignOperation 
C++: Fix SimpleRangeAnalysis for AssignOperation
 2020-08-17 12:55:26 -04:00
Geoffrey White
a11ca06189 C++: Implement more std::string models. 2020-08-17 17:33:09 +01:00
Mathias Vorreiter Pedersen
bb3254d4ab Merge branch 'main' into alternative-instruction-operand-flow 2020-08-17 16:21:10 +02:00
Geoffrey White
4b4b8a9faa Merge pull request #4074 from jbj/SimpleRangeAnalysis-extensible 
C++: extensible range analysis
 2020-08-17 14:46:57 +01:00
Tom Hvitved
a2fc92b9db Data flow: Address review comments 2020-08-17 15:46:43 +02:00
Jonas Jensen
edc5e5fbcf C++: Simplify defDependsOnDef for AssignOperation 
These cases were unnecessarily transitive. There is no need for
`defDependsOnDef` to be transitive since that's handled in
`defDependsOnDefTransitively`.

The dependency information from the LHS of an `AssignmentOperation` is
now deduced the say way as the information from the RHS: by calling
`exprDependsOnDef`. This should effectively give us the same information
and recursion structure as if the operation (`x += e`) were desugared
(`x = x + e`).
 2020-08-17 11:06:39 +02:00
Jonas Jensen
fe72b559d3 C++: Range analysis for unsigned AssignMulExpr 
This is essentially a copy-paste job of `AssignAddExpr`, together with
the math from the `UnsignedMulExpr` support.
 2020-08-14 14:19:54 +02:00
Jonas Jensen
f90d779122 C++: Fix SimpleRangeAnalysis for AssignOperation 
The range analysis wasn't producing useful bounds for `AssignOperation`s
(`+=`, `-=`) unless their RHS involved a variable. This is because a
shortcut was made in the `analyzableDef` predicate, which used to
specify that an analyzable definition was one for which we'd specified
the dependencies. But we can't distinguish between having _no
dependencies_ and having _no specification of the dependencies_.

The fix is to be more explicit about which definitions are analyzable.
To avoid too much repetition I'm still calling out to `analyzableExpr`
in the new code.
 2020-08-14 14:15:58 +02:00
Jonas Jensen
e01e702f46 Merge pull request #4060 from bgianfo/patch-1 
C++: Detect GoogleTest tests cases in FNumberOfTests.ql
 2020-08-14 12:42:12 +02:00
Jonas Jensen
bf7732ec9d C++: Silence QL compiler errors 2020-08-14 12:27:30 +02:00
Jonas Jensen
1deb1e6429 C++: Add SimpleRangeAnalysisExpr.dependsOnChild 2020-08-14 12:27:30 +02:00
Jonas Jensen
1b5b374a8e C++: Move getFullyConverted{Upper,Lower}Bounds 
Rather than being public, these internal predicates are now exposed
through a `SimpleRangeAnalysisInternal` module so it's clear that they
are not for general use.
 2020-08-14 12:27:30 +02:00
Jonas Jensen
18ba562c25 C++: Fix: remember to bind e 2020-08-14 12:27:30 +02:00
Jonas Jensen
1c0e83a374 C++: Autoformat fixup 2020-08-14 12:27:30 +02:00
Jonas Jensen
aa78c6e750 C++: Move to experimental 
And rename to `SimpleRangeAnalysisExpr` to clarify which of our range
analysis libraries this belongs to.
 2020-08-14 12:27:30 +02:00
Jonas Jensen
cdddf5fd40 Merge remote-tracking branch 'upstream/master' into SimpleRangeAnalysis-extensible-base 2020-08-14 12:26:59 +02:00
Tom Hvitved
9ebf8d1d58 Data flow: Sync files 2020-08-14 11:04:45 +02:00
Brian Gianforcaro
a6bcbe7974 C++: Detect GoogleTest tests cases in FNumberOfTests.ql 
Co-authored-by: Jonas Jensen <jbj@github.com>
 2020-08-13 12:06:00 -07:00
Geoffrey White
498b350add Merge remote-tracking branch 'upstream/master' into plus 2020-08-13 18:21:28 +01:00
Robert Marsh
de87f8fc42 Merge pull request #4057 from geoffw0/sal 
C++: SAL.qll QLDoc and cleanup
 2020-08-13 12:33:52 -04:00
Geoffrey White
93f95b1c22 Merge pull request #4053 from jbj/SimpleRangeAnalysis-mul 
C++: SimpleRangeAnalysis: unsigned multiplication
 2020-08-13 16:59:31 +01:00
Geoffrey White
3d60756d40 C++: Downgrade the query precision. 2020-08-13 15:45:57 +01:00
Geoffrey White
7349333006 C++: Taint through char append. 2020-08-13 15:13:47 +01:00
Jonas Jensen
36373fce9b C++: Deprecate DataFlow::definitionByReferenceNode 
This predicate name was only used in IR data flow, not in AST data flow.
 2020-08-13 15:27:35 +02:00
Jonas Jensen
3f383784cd C++: QLDoc formatting fixup 2020-08-13 15:27:35 +02:00
Jonas Jensen
f70a17b858 C++: clearer wording in asExpr doc 
Co-authored-by: Aditya Sharad <6874315+adityasharad@users.noreply.github.com>
 2020-08-13 15:27:35 +02:00
Jonas Jensen
5ae8b02bde C++: Clarify the docs on DataFlow::Node::asExpr 
For IR data flow I also added a `definitionByReferenceNodeFromArgument`
predicate to improve compatibility with AST data flow.
 2020-08-13 15:27:35 +02:00
Geoffrey White
f5abf74e0f Update cpp/ql/src/Microsoft/SAL.qll 
Co-authored-by: Robert Marsh <rdmarsh2@gmail.com>
 2020-08-13 09:05:22 +01:00
Geoffrey White
2655616a0a C++: Autoformat. 2020-08-12 16:59:15 +01:00
Geoffrey White
9719da8643 C++: Move a class that looks like it's intended to be public (and is used outside of the library) above the 'Implementation details' threshold. 2020-08-12 16:58:50 +01:00
Geoffrey White
d444778535 C++: Make a few things in SAL.qll private where it looks like that was intended (and they're not used outside the file). 2020-08-12 16:57:43 +01:00
Geoffrey White
aa6cb51bba C++: QLDoc SAL.qll. 2020-08-12 16:55:26 +01:00
Geoffrey White
b99ca60154 C++: Address review comments. 2020-08-12 12:56:28 +01:00
Jonas Jensen
b4679cb8cf C++: Autoformat fixup 2020-08-12 13:09:23 +02:00
Jonas Jensen
1ee96a4b4f C++: SimpleRangeAnalysis: unsigned multiplication 2020-08-12 10:03:04 +02:00
Robert Marsh
e80cc63219 Merge pull request #3861 from dilanbhalla/privatedata 
C++: Private Data File/Buffer Writes
 2020-08-11 15:49:31 -04:00
Geoffrey White
a655124213 C++: I think this is more correct. 2020-08-11 17:28:31 +01:00
Geoffrey White
128b8328b9 C++: Autoformat. 2020-08-11 17:03:03 +01:00