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522 Commits

Author SHA1 Message Date
Robert Marsh
30d7238921 C++: fix missing getPrimaryInstruction 2019-10-16 17:05:37 -07:00
Robert Marsh
fffe3c2432 C++: add sanity test for side effect primaries 2019-10-16 16:53:55 -07:00
Geoffrey White
6f96d1759f Merge pull request #2077 from jbj/cfg-enable-pr 
C++: enable the QL-based CFG code
 2019-10-16 14:06:22 +01:00
Matthew Gretton-Dann
692c29d095 C++: Test fun_decl for INVALID_KEYs 2019-10-15 14:47:32 +01:00
Nick Rolfe
6c83c76268 C++: add a test for __builtin_complex 2019-10-14 11:31:59 +01:00
Geoffrey White
1c0fdef0a8 CPP: Add a simplified test case for ImplicitThisFieldAccess. 2019-10-10 10:04:32 +01:00
Geoffrey White
bc4363bc22 CPP: Add a test of FunctionAccess and cases for FieldAccess. 2019-10-10 10:04:31 +01:00
Geoffrey White
050d99fa87 CPP: Add test cases. 2019-10-04 17:44:27 +01:00
Jonas Jensen
01a3a037bc C++: Make complex_numbers/expr.ql less brittle 
This test used `getAQlClass`, which caused it to break when new classes
were added anywhere in the libraries. That's now avoided by switching to
`getCanonicalQLClass`. It turns out that `getCanonicalQLClass` didn't
support arithmetic expressions on complex numbers, so that support had
to be added.
 2019-10-03 13:19:16 +02:00
Jonas Jensen
2eed38e2d4 C++: Accept slight CFG regression in static init 
Hopefully it does not make a difference in practice whether
uninstantiated template functions are considered to have control flow
through initializers of their static variables.
 2019-10-03 11:48:03 +02:00
Robert Marsh
a45a6e48f8 C++: remove side effect operands from non-reads 2019-09-30 12:00:55 -07:00
Robert Marsh
8649978a43 C++: add indexes for specific side effects 2019-09-30 12:00:53 -07:00
Robert Marsh
24574be007 C++: add SizedBuffer side effect instructions 2019-09-30 12:00:53 -07:00
Robert Marsh
3d562243e4 C++: add side effects for outparams 2019-09-30 12:00:52 -07:00
Matthew Gretton-Dann
cc016d583d C++: Add further vector_size attribute tests 2019-09-27 11:28:31 +01:00
Matthew Gretton-Dann
c10ed5e114 C++: Update results for vector_size atrr changes 2019-09-27 11:28:31 +01:00
Geoffrey White
18b28b1b57 Merge pull request #1959 from jbj/const-pmf 
C++: Classify more expressions as constant
 2019-09-26 17:13:27 +01:00
semmle-qlci
24240177c5 Merge pull request #2023 from ian-semmle/agglit 
Approved by jbj
 2019-09-25 11:35:33 +01:00
Jonas Jensen
0aafa0b0e2 C++: Accept test changes in IR sanity queries 
These looks harmless.
 2019-09-25 08:55:55 +02:00
Ian Lynagh
49276e09c5 C++: Add aggregate literals to sideEffects test 2019-09-24 11:28:57 +01:00
Matthew Gretton-Dann
6b28f33713 C++: Update test for fix to namespace members 
Generation of IDs for namespace members has been fixed to generate
unique IDs for variables of the same name but in different namespaces.

Update the same_name test to validate this.
 2019-09-23 16:04:59 +01:00
Matthew Gretton-Dann
fc75a6af5a C++: Add tests for using aliases 2019-09-23 13:57:50 +01:00
Matthew Gretton-Dann
9ff38ebeee C++: Update tests for new CTypedefType. 2019-09-23 13:57:50 +01:00
Robert Marsh
fd88f7a3ce Merge pull request #1884 from jbj/dataflow-addressof 
C++: Data flow through address-of operator (&)
 2019-09-19 09:15:43 -07:00
Jonas Jensen
307b92feed C++: Unknown template literals are constant 2019-09-19 10:23:26 +02:00
Jonas Jensen
e0d1da3b67 C++: Test for template enum constant CFG 2019-09-18 15:17:24 +02:00
Jonas Jensen
7d8396fa65 C++: Constant template pointer-to-member literals 2019-09-18 14:44:25 +02:00
Jonas Jensen
d644150ead C++: Test for template pointer-to-member CFG 2019-09-18 14:30:18 +02:00
Jonas Jensen
0f2731064d C++: Annotate tellDifferent with template status 
This is helpful for turning real-world cases into test cases.
 2019-09-18 14:23:52 +02:00
Jonas Jensen
c90fd32a78 C++: Pointer-to-member-function is constant 2019-09-18 13:55:56 +02:00
Jonas Jensen
55edfe4224 C++: Test for pointer-to-member-function CFG 2019-09-18 13:37:52 +02:00
Jonas Jensen
e7d8fa4251 Merge pull request #1945 from geoffw0/more-tests 
CPP: Add a test of ConditionalDeclExpr.
 2019-09-18 11:11:16 +02:00
Geoffrey White
07e29bb627 CPP: Add a test of ConditionalDeclExpr. 2019-09-17 17:38:54 +01:00
Jonas Jensen
b2df18ab78 C++: Document tests better 
This addresses PR comments by @rdmarsh2.
 2019-09-17 13:17:25 +02:00
Jonas Jensen
ef601cf78e C++: Annotate changes in struct_init.c test 2019-09-17 13:16:36 +02:00
Jonas Jensen
fd6d06fe6f C++: Data flow through address-of operator (&) 
The data flow library conflates pointers and their objects in some
places but not others. For example, a member function call `x.f()` will
cause flow from `x` of type `T` to `this` of type `T*` inside `f`. It
might be ideal to avoid that conflation, but that's not realistic
without using the IR.

We've had good experience in the taint tracking library with conflating
pointers and objects, and it improves results for field flow, so perhaps
it's time to try it out for all data flow.
 2019-09-17 13:16:34 +02:00
Dave Bartolomeo
553238a9e8 Merge pull request #1922 from jbj/qlcfg-const-pointer-to-member 
C++: Add PointerToFieldLiteral class
 2019-09-13 10:44:52 -07:00
Tom Hvitved
f5cae9b6ea Merge pull request #1881 from aschackmull/java/pathgraph-nodes 
Java/C++/C#: Add nodes predicate to PathGraph.
 2019-09-13 10:32:47 +02:00
Anders Schack-Mulligen
61e4e61087 C++: Adjust qltest expected output. 2019-09-12 11:00:49 +02:00
Geoffrey White
120b0c0c2c CPP: Modernize the TemplateVariables test and have the TemplateVariables actually included in the scope of the test. 2019-09-11 17:14:05 +01:00
Jonas Jensen
ee16b239de C++: Add PointerToFieldLiteral class 
Marking these expressions as constants fixes the CFG discrepancies that
can be observed on the affected test and on snapshots of MySQL.
 2019-09-11 13:40:24 +02:00
Jonas Jensen
bd59029e2b C++: Add pointer-to-member test to syntax-zoo 
This test was inspired by problems observed in a MySQL snapshot. The
results show there are problems with both the QL CFG and the IR.
 2019-09-10 16:23:23 +02:00
Jonas Jensen
d6fba0ef46 C++: Don't create partial defs for calls to const 
These partial defs don't do any harm, but they could hurt performance.
In typical C++ snapshots, between 5% and 20% of all calls are to `const`
functions.
 2019-09-10 09:49:16 +02:00
Jonas Jensen
fd3615d120 C++: Show that there are too many partial defs 2019-09-10 09:44:07 +02:00
Geoffrey White
4283a1508d Merge pull request #1870 from jbj/autoformat-all 
C++: Autoformat everything
 2019-09-09 16:05:32 +01:00
Jonas Jensen
79f456e8bd Merge pull request #1905 from ian-semmle/mangling_more 
C++: Resolve all classes
 2019-09-09 16:48:30 +02:00
Geoffrey White
22e1715368 Merge pull request #1900 from jbj/dataflow-this-by-ref 
C++: Fix flow out of `this` by reference
 2019-09-09 11:15:32 +01:00
Jonas Jensen
4ef5c9af62 C++: Autoformat everything 
Some files that will change in #1736 have been spared.

    ./build -j4 target/jars/qlformat
    find ql/cpp/ql -name "*.ql"  -print0 | xargs -0 target/jars/qlformat --input
    find ql/cpp/ql -name "*.qll" -print0 | xargs -0 target/jars/qlformat --input
    (cd ql && git checkout 'cpp/ql/src/semmle/code/cpp/ir/implementation/**/*SSA*.qll')
    buildutils-internal/scripts/pr-checks/sync-identical-files.py --latest
 2019-09-09 11:25:53 +02:00
Jonas Jensen
b14b65ecf0 C++: Don't use deprecated predicates in test 
This made the `expected` file contain QL line numbers.
 2019-09-09 11:04:04 +02:00
Jonas Jensen
ea3d066661 C++: Add D.cpp, ported from D.java 
The original port of the Java field-flow tests did not include this
file. It's added here for completeness, and the results are the same as
for Java.
 2019-09-09 10:45:06 +02:00