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codeql-cli-2.8.2
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1728 Commits

Author SHA1 Message Date
Dave Bartolomeo
44c1c5a7ab C++: Update points_to.ql test to use new bit offset format 2019-11-25 11:13:02 -07:00
Dave Bartolomeo
eda47bfc51 C++: Add SSA sanity tests to IR tests 2019-11-22 16:10:51 -07:00
Dave Bartolomeo
51ff262cbc C++/C#: Add IR SSA sanity tests 2019-11-22 13:16:05 -07:00
Geoffrey White
5014432472 CPP: Tests: Add a test of NewArrayExpr.getAllocatedType() and NewArrayExpr.getExtent(). 2019-11-22 15:16:32 +00:00
Robert Marsh
05aebeff79 Merge branch 'master' into rdmarsh/cpp/ir-callee-side-effects 2019-11-21 13:45:31 -08:00
Robert Marsh
34593701b2 Merge branch 'master' into rdmarsh/cpp/ir-callee-side-effects 2019-11-20 10:03:32 -08:00
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
Jonas Jensen
1498499994 C++: Relax type in two tests 2019-11-19 11:31:34 +01:00
Jonas Jensen
e57f98ca64 C++: Use StackVariable in def-use libraries 
Most of the implementation was already in terms of
`SemanticStackVariable`, so not much should have changed.
 2019-11-19 11:30:59 +01:00
Jonas Jensen
95a333d28c C++: Use StackVariable in SSA libraries 
This means we'll no longer get SSA definitions for thread-local
local-scope variables.
 2019-11-19 11:30:59 +01:00
Jonas Jensen
8110039e0a C++: Bring back the StackVariable QL class 
The new `StackVariable` class actually denotes what its name suggests.
 2019-11-19 11:23:34 +01:00
Robert Marsh
180a3c9f26 C++: accept test changes 2019-11-15 11:01:18 -08:00
Ian Lynagh
4442fd8407 C++: Accept changes to syntax-zoo tests 2019-11-15 14:42:36 +00:00
Ian Lynagh
2cf714a923 C++: Follow changes in lambda locations 2019-11-15 14:42:36 +00:00
Ian Lynagh
8e00516ecf C++: Accept changes in ir test 2019-11-15 14:42:36 +00:00
Jonas Jensen
73d9cc2e7b Merge pull request #2309 from geoffw0/cpp418 
CPP: QLDoc enhancements
 2019-11-15 08:46:08 +01:00
Dave Bartolomeo
81262d5948 Merge pull request #2328 from geoffw0/routinetest 
CPP: Add a quick test of RoutineType.
 2019-11-14 15:49:13 -07:00
Robert Marsh
facbd32062 Merge branch 'master' into rdmarsh/cpp/ir-callee-side-effects 2019-11-14 11:09:13 -08:00
Robert Marsh
2fb1d4d1b1 C++: fix IR return block successors 2019-11-14 10:29:48 -08:00
Geoffrey White
7408726f41 Merge pull request #2312 from jbj/pointer-wraparound-query 
C++: New query: Pointer overflow check
 2019-11-14 16:13:04 +00:00
Geoffrey White
dc34fa366c CPP: Add a test of RoutineType. 2019-11-14 15:13:52 +00:00
Dave Bartolomeo
08620046ab Merge pull request #2068 from rdmarsh2/rdmarsh/cpp/ir-constructor-side-effects 
C++: side effect instrs for constructor qualifiers
 2019-11-13 14:56:24 -07:00
Geoffrey White
32b5501177 CPP: Add a test of ErroneousType. 2019-11-13 18:53:43 +00:00
Jonas Jensen
8d79634f8c C++: Factor out isFromMacroDefinition predicate 
This trick for excluding elements from macro bodies but not macro
arguments looks promising and should probably be used much more. With
this commit, it's now easy to use from any query.

Performance is still good because the new predicate gets appropriately
magiced.
 2019-11-13 14:07:33 +01:00
Robert Marsh
47f87c214c Merge branch 'master' into rdmarsh/cpp/ir-constructor-side-effects 2019-11-12 10:31:04 -08:00
Ziemowit Laski
faf4342d8e [CPP-418] Update references to BuiltInOperationBuiltInOffsetOf and __builtin_offsetof. 2019-11-12 17:35:50 +00:00
Jonas Jensen
eb55d964a8 C++: Fix semantic merge conflict 
This test output must have been wrong because I produced it with an
extractor that didn't have #2153 applied.
 2019-11-11 15:39:53 +01:00
Jonas Jensen
279fc16b60 C++: ConvertToBase -> ConvertToNonVirtualBase 
This rename was done with

    perl -p -i -e's/ConvertToBase/ConvertToNonVirtualBase/g' **/*.ql* **/*.expected

followed by re-running the affected tests.
 2019-11-10 10:35:53 +01:00
Robert Marsh
64b34ad975 Merge branch 'master' of github.com:Semmle/ql into rdmarsh/cpp/ir-constructor-side-effects 2019-11-08 14:06:36 -08:00
Robert Marsh
1dc0cb89d0 Merge branch 'master' of github.com:Semmle/ql into rdmarsh/cpp/ir-constructor-side-effects 2019-11-08 12:47:27 -08:00
Dave Bartolomeo
c365b2f2f0 Merge from master 
Resolve conflicts in test output
 2019-11-08 10:42:29 -07:00
Dave Bartolomeo
17f76c2516 C++: Fix merge conflicts 2019-11-07 22:02:15 -07:00
Robert Marsh
2582b69e17 Merge branch 'master' of github.com:Semmle/ql into rdmarsh/cpp/ir-constructor-side-effects 2019-11-07 15:46:08 -08:00
Robert Marsh
e93dcdb16c Merge branch 'master' into rdmarsh/cpp/ir-constructor-side-effects 2019-11-07 15:19:46 -08:00
Robert Marsh
f483ec152b Merge branch 'master' of github.com:Semmle/ql into rdmarsh/cpp/uninit-string-initializers 2019-11-07 14:36:58 -08:00
Robert Marsh
ae1377447e C++: only generate uninits when needed 2019-11-07 13:55:49 -08:00
Dave Bartolomeo
6c1d219c86 Merge from master 2019-11-07 14:50:04 -07:00
Robert Marsh
c5396d9980 Merge pull request #2262 from jbj/ir-virtual-dispatch-local 
C++: Rudimentary support for IR data flow virtual dispatch
 2019-11-07 13:09:24 -08:00
Dave Bartolomeo
f808dcefab Merge pull request #2277 from ian-semmle/cfg_diffs 
C++: Remove tests for CFG differences
 2019-11-07 12:41:40 -07:00
Dave Bartolomeo
64480c2ace Merge pull request #1999 from jbj/ir-copy-unloaded-result 
C++: Make sure there's a Instruction for each Expr
 2019-11-07 12:31:54 -07:00
Ian Lynagh
b5af4e5acd C++: Remove tests for CFG differences 
Now that we have switched over, they are no longer interesting.
 2019-11-07 16:32:18 +00:00
Matthew Gretton-Dann
ddf1ef8a7d C++: Add new test case for template member change 
We now output literals for accesses to members of template parameters:

So for `foo` in the following example:

```
template<typename T> void bar(T& t) {
  T.foo(1)
}
```
 2019-11-07 14:08:25 +00:00
Matthew Gretton-Dann
c0884e9a88 C++: Update expected results. 2019-11-07 14:08:25 +00:00
Robert Marsh
81ad11090e C++: uninit instr for string literal initializers 2019-11-06 13:37:03 -08:00
Robert Marsh
51c4ef4f7f C++: add SSA IR test for array initializers 2019-11-06 13:32:35 -08:00
Dave Bartolomeo
a9e3bfbd11 C++/C#: Treat string literals like read-only global variables for alias purposes. 
Previously, we didn't track string literals as known memory locations at all, so they all just got marked as `UnknownMemoryLocation`, just like an aribtrary read from a random pointer. This led to some confusing def-use chains, where it would look like the contents of a string literal were being written to by the side effect of an earlier function call, which of course is impossible.

To fix this, I've made two changes. First, each string literal is now given a corresponding `IRVariable` (specifically `IRStringLiteral`), since a string literal behaves more or less as a read-only global variable. Second, the `IRVariable` for each string literal is now marked `isReadOnly()`, which the alias analysis uses to determine that an arbitrary write to aliased memory will not overwrite the contents of a string literal.

I originally planned to treat all string literals with the same value as being the same memory location, since this is the usual behavior of modern compilers. However, this made implementing `IRVariable.getAST()` tricky for string literals, so I left them unpooled.
 2019-11-06 13:08:28 -07:00
Jonas Jensen
76a3db9eed Merge remote-tracking branch 'upstream/master' into ir-copy-unloaded-result 2019-11-06 15:21:22 +01:00
Jonas Jensen
ec9ef33486 C++: IR data flow through inheritance conversions 
This makes IR data flow behave more like AST data flow, and it makes IR
virtual dispatch work without further changes.
 2019-11-06 14:04:07 +01:00
Jonas Jensen
49008c9ff5 C++: IR data flow local virtual dispatch 
This is just good enough to cause no performance regressions and pass
the virtual-dispatch tests we have for `security.TaintTracking`. In
particular, it fixes the tests for `UncontrolledProcessOperation.ql`
when enabling `DefaultTaintTracking.qll`.
 2019-11-06 14:04:02 +01:00
Matthew Gretton-Dann
6fe22a76da C++: Change API for exposing template parameters. 
Note that Declaration::getTemplateArgumentType() and
Declaration::getTemplateArgumentValue() need to be public so that they
can be overriden in derived classes.
 2019-11-05 11:39:22 +00:00