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revert-4653-feature/csharp9-relational-pattern
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137 Commits

Author SHA1 Message Date
Jonas Jensen
10dfa497a5 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args 
Fixed a semantic merge conflict by accepting test changes in
`cpp/ql/test/library-tests/dataflow/fields/ir-path-flow.expected`.
 2020-06-02 18:03:34 +02:00
Mathias Vorreiter Pedersen
2a1ba6d592 C++: Share configurations in testcases 2020-06-02 16:50:57 +02:00
Mathias Vorreiter Pedersen
b9af1123d9 C++: Make path-problem versions of ir-flow.ql and flow.ql 2020-06-02 16:28:01 +02:00
Jonas Jensen
5f0d283212 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args 
The conflicts came from how `this` is now a parameter but not a
`Parameter` on `master`.

Conflicts:
	cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/defaulttainttracking.cpp
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/tainted.expected
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/test_diff.expected
	cpp/ql/test/library-tests/dataflow/dataflow-tests/dataflow-ir-consistency.expected
	cpp/ql/test/library-tests/dataflow/fields/ir-flow.expected
	cpp/ql/test/library-tests/syntax-zoo/dataflow-ir-consistency.expected
 2020-06-02 15:35:02 +02:00
Robert Marsh
5ee37bcd5a Merge branch 'master' into ir-this-parameter-2 
Bring in fix for duplicate virtual variables for parameter indirections
 2020-05-29 14:40:45 -07:00
Mathias Vorreiter Pedersen
3adc10fdb4 C++: Accept tests 2020-05-29 15:33:55 +02:00
Mathias Vorreiter Pedersen
335baaef73 C++: Add testcases for partial definitions with long access paths 2020-05-29 12:15:39 +02:00
Jonas Jensen
7d4d435f25 Merge remote-tracking branch 'upstream/master' into Expr-location-workaround 
Conflicts:
	cpp/ql/test/library-tests/dataflow/fields/dataflow-ir-consistency.expected
 2020-05-29 10:04:12 +02:00
Jonas Jensen
9813258a3e Merge remote-tracking branch 'upstream/master' into Expr-location-workaround 
Conflicts and semantic conflicts in `library-tests/dataflow/fields` and
`library-tests/ir/ir`.
 2020-05-29 08:44:37 +02:00
Robert Marsh
a897caec76 C++: outbound dataflow via this indirections 2020-05-28 15:30:41 -07:00
Dave Bartolomeo
476f27e427 Merge from master 2020-05-28 17:27:08 -04:00
Dave Bartolomeo
01ef8795bf C++: Updated fixed test expectation 2020-05-28 17:24:38 -04:00
Robert Marsh
d8b5d3bce8 C++: accept test fixes 2020-05-28 08:45:01 -07:00
Robert Marsh
693789c2cc Merge branch 'master' into ir-this-parameter 
Bring in new tests so their output can be fixed
 2020-05-28 08:32:10 -07:00
Jonas Jensen
1b23f3ec90 C++: Accept two more changed tests 2020-05-28 11:18:14 +02:00
Jonas Jensen
9153f568be C++: Accept test results with location fixes 2020-05-28 09:42:49 +02:00
Mathias Vorreiter Pedersen
97edd97778 C++: Add getLocation to TNode IPA type in testcase 2020-05-27 08:28:18 +02:00
Robert Marsh
fb46002332 C++: Fix ThisParameterNode after IR changes 2020-05-26 13:35:08 -07:00
Mathias Vorreiter Pedersen
251240376b C++: Fix asPartialDefinition for IR dataflow nodes and accept testcases 2020-05-26 13:14:38 +02:00
Mathias Vorreiter Pedersen
c5c3ffaef0 C++: Add asPartialDefinition testcases 2020-05-26 13:14:11 +02:00
Mathias Vorreiter Pedersen
1c2b8563ae C++: Remove 'flow' value from testcases 2020-05-14 15:33:02 +02:00
Mathias Vorreiter Pedersen
5f9b96cde9 C++: Fix off-by-one in test annotation 2020-05-14 15:12:00 +02:00
Mathias Vorreiter Pedersen
f414b277ba C++: Modify complex.cpp test to account for longer access paths in the dataflow library 2020-05-14 13:58:04 +02:00
Mathias Vorreiter Pedersen
f5f3405ec3 C++: Modify IR field flow tests to use InlineExpectationsTest.qll 2020-05-14 11:11:21 +02:00
Mathias Vorreiter Pedersen
34314d0cb6 C++: Annotation field flow tests with [IR] and [AST] 2020-05-13 15:16:02 +02:00
Jonas Jensen
1018eaff09 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args 
Conflicts:
	cpp/ql/test/library-tests/dataflow/fields/ir-flow.expected
 2020-05-13 12:05:58 +02:00
Mathias Vorreiter Pedersen
df6abdc074 Merge pull request #3389 from jbj/dataflow-defbyref-to-field 
C++: Post-update flow through &, *, +, ...
 2020-05-12 08:30:33 +02:00
Jonas Jensen
3a89f43cd6 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args 
Conflicts:
	cpp/ql/src/semmle/code/cpp/ir/dataflow/DefaultTaintTracking.qll
	cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/defaulttainttracking.cpp
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/tainted.expected
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/test_diff.expected
	cpp/ql/test/library-tests/dataflow/dataflow-tests/test_ir.expected
 2020-05-11 14:44:17 +02:00
Mathias Vorreiter Pedersen
594f3b1807 C++: Add testcase for #3110 2020-05-07 14:39:53 +02:00
Jonas Jensen
1b1095ee75 C++: Post-update flow through &, *, +, ... 
Flow from a definition by reference of a field into its object was
working inconsistently and in a very syntax-dependent way. For a
function `f` receiving a reference, `f(a->x)` could propagate data back
to `a` via the _reverse read_ mechanism in the shared data-flow library,
but for a function `g` receiving a pointer, `g(&a->x)` would not work.
And `f((*a).x)` would not work either.

In all cases, the issue was that the shared data-flow library propagates
data backwards between `PostUpdateNode`s only, but there is no
`PostUpdateNode` for `a->x` in `g(&a->x)`. This pull request inserts
such post-update nodes where appropriate and links them to their
neighbors. In this exapmle, flow back from the output parameter of `g`
passes first to the `PostUpdateNode` of `&`, then to the (new)
`PostUpdateNode` of `a->x`, and finally, as a _reverse read_ with the
appropriate field projection, to `a`.
 2020-05-01 15:40:19 +02:00
Jonas Jensen
5f74c24d4d C++: Test definitions through &, *, ... 2020-05-01 11:04:49 +02:00
Jonas Jensen
4ddf12119d C++: Don't suppress consistency checks for calls 
See https://github.com/github/codeql/pull/3162#discussion_r400849713.
 2020-05-01 11:04:42 +02:00
Mathias Vorreiter Pedersen
a6e619ce5b C++: Add field flow through single-field structs and accept tests 2020-04-20 08:52:46 +02:00
Mathias Vorreiter Pedersen
6fca23bc8b C++: Demonstrate lack of flow through single-field structs 2020-04-20 08:50:31 +02:00
Mathias Vorreiter Pedersen
f02feac33a C++: Add flow from #3220 2020-04-15 11:34:19 +02:00
Mathias Vorreiter Pedersen
cde34c9b1b C++: Accept test output which I previously forgot to accept 2020-04-13 16:19:21 +02:00
Mathias Vorreiter Pedersen
5719967a8e C++: Remove single-field case from PostUpdateNode and accept tests 2020-04-07 12:03:28 +02:00
Mathias Vorreiter Pedersen
c577541850 C++: Fix reverse read dataflow consistency failure and accept tests 2020-04-06 15:50:08 +02:00
Mathias Vorreiter Pedersen
317734f41e C++: Attach PostUpdateNodes to Chi nodes following aschackmull's suggestion 2020-04-05 22:35:26 +02:00
Mathias Vorreiter Pedersen
020c273dc9 Merge branch 'master' into ir-flow-fields 2020-04-02 10:45:58 +02:00
Jonas Jensen
531ef64c5d C++: Fix other copies of the argHasPostUpdate test 2020-03-30 17:45:53 +02:00
Mathias Vorreiter Pedersen
5ba5791ec6 C++: Only allow flow through non-conflated chi instructions 2020-03-27 13:37:17 +01:00
Mathias Vorreiter Pedersen
c6c613840a C++: Removed toString from PostUpdateNodes. They were more confusing than helpful 2020-03-26 11:43:40 +01:00
Mathias Vorreiter Pedersen
fbef146a49 C++: Remove PositionalArgumentWithoutWriteSideEffectNode (since not all arguments need a PostUpdateNode). Also generalized the added flow rule in simpleLocalFlowStep since there isn't always a ChiInstruction - for instance of it's a write to a struct that only has a single field. 2020-03-26 11:39:20 +01:00
Mathias Vorreiter Pedersen
077c282cd3 C++: Add field flow and accept tests 2020-03-24 22:28:54 +01:00
Mathias Vorreiter Pedersen
22381f3ee6 C++: Demonstrate amount of field flow already present 2020-03-24 22:28:54 +01:00
Anders Schack-Mulligen
85d6b7c2ed C++: Add tests. 2020-03-11 10:49:21 +01:00
Anders Schack-Mulligen
96e4a57edd C++: Autoformat. 2020-01-29 13:11:50 +01:00
Mathias Vorreiter Pedersen
1d3ee71f73 C++: Added test for 333d0a69 2019-12-17 13:54:41 +01:00
Jonas Jensen
c41114334f Merge remote-tracking branch 'upstream/master' into ir-dataflow-toString 
Solved conflicts in `*.expected` by re-running the tests.
 2019-11-19 14:27:27 +01:00