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1840 Commits

Author SHA1 Message Date
Ziemowit Laski
fcc1938143 [zlaski/memset-model] Ctrl+Shift+F. 2019-10-15 15:03:58 -07:00
Ziemowit Laski
2ca52a4124 [zlaski/memset-model] Add side effect modeling to Memset. 2019-10-15 14:43:39 -07:00
Jonas Jensen
4c15ea581a C++: Autoformat CFG.qll 2019-10-15 19:32:55 +02:00
Jonas Jensen
a9984e9d8b C++: Implement Pos and Spec as int, not newtype 
This change gives a slight performance improvement and makes the QL code
shorter. It introduces some magic numbers in the code, but those are
confined to the `Pos` and `Spec` classes.

We get a speed-up because the evaluator has built-in support for integer
literals in the `OUTPUT` of `JOIN` operations, whereas `newtype`s have
to be explicitly joined on. As a result, a predicate like
`CFG::straightLineSparse#ffff` drops from 262 pipeline nodes to 242.

I measured performance on https://github.com/jluttine/suitesparse, which
is one of the projects that had the biggest slowdown when enabling the
QL CFG on lgtm.com. I took two measurements before this change and two
after. The `CFG.qll` stage took 117s and 112s before, and it took 106s
and 107s after.
 2019-10-15 16:22:37 +02:00
Matthew Gretton-Dann
0f6d64e27e C++: Update schema stats 2019-10-15 14:42:57 +01:00
Matthew Gretton-Dann
f98d20c33a C++: Update var_decls, fun_decls keysets. 2019-10-15 14:42:57 +01:00
Tom Hvitved
cae7f9d805 Merge pull request #2099 from aschackmull/java/callcontext-bool-pruning 
Java: Data-flow pruning based on call contexts.
 2019-10-15 09:36:36 +02:00
Jonas Jensen
527ec4a9e4 Merge pull request #2122 from geoffw0/bitsign2 
CPP: BitwiseSignCheck.ql fix
 2019-10-14 15:47:36 +02:00
Nick Rolfe
22fa657818 C++: update stats for @builtincomplex 2019-10-14 11:31:59 +01:00
Nick Rolfe
682832fc55 C++: add an expr kind for __builtin_complex 2019-10-14 11:31:58 +01:00
Geoffrey White
ff8e04aa99 CPP: Fix bug. 2019-10-14 11:00:43 +01:00
Henning Makholm
29167bbff8 Add qlpack.json files 
Eventually these files will subsume the current `queries.xml` files
at the top of query-containing and library directories. For now they're
just here to support internal testing of the tooling support for them
we're writing on.

Format and contents is a work in progress. If you're not in Semmle,
don't depend on anything here making sense (or staying stable) until
you see the version tags increase to something nonzero.
 2019-10-12 17:38:01 +02:00
zlaski-semmle
ae0c4e449f Merge pull request #1925 from geoffw0/qldoceg10 
CPP: Add syntax examples to QLDoc in Access.qll, Declaration.qll
 2019-10-11 12:19:18 -07:00
Geoffrey White
0398681b84 CPP: Autoformat. 2019-10-11 17:30:29 +01:00
Raul Garcia (MSFT)
7b0e83fead Porting Boost.org TLS queries 2019-10-10 16:05:14 -07:00
Jonas Jensen
c99845ce5d Merge pull request #2035 from geoffw0/comparison 
CPP: Unclear comparison precedence template fix
 2019-10-10 16:31:54 +02:00
Geoffrey White
d8f3422375 CPP: Reword and clarify. 2019-10-10 10:04:32 +01:00
Geoffrey White
393c9e9247 CPP: QLDoc example for ImplicitThisFieldAccess. 2019-10-10 10:04:32 +01:00
Geoffrey White
e45ea90428 CPP: Backticks. 2019-10-10 10:04:31 +01:00
Geoffrey White
5fe69c7658 CPP: QLDoc fix for Stmt.qll. 2019-10-10 10:04:31 +01:00
Geoffrey White
85063760af CPP: Examples Declaration.qll. 2019-10-10 10:04:31 +01:00
Geoffrey White
3e46494c3a CPP: Clarify the Declaration / DeclarationEntry relationship around definitions, as there has been confusion over this. 2019-10-10 10:04:31 +01:00
Geoffrey White
4543aaf5dd CPP: Examples Access.qll. 2019-10-10 10:04:31 +01:00
Geoffrey White
b10988faec CPP: Fix the query. 2019-10-10 09:15:19 +01:00
zlaski-semmle
8896fa5bc9 Merge pull request #1924 from geoffw0/quickfix 
CPP: Tiny qldoc fixes.
 2019-10-09 14:52:54 -07:00
Anders Schack-Mulligen
e123f97303 Java: Remove useless pruning. 2019-10-09 09:35:30 +02:00
Jonas Jensen
daabb2c5d0 Merge pull request #2082 from rdmarsh2/rdmarsh/cpp/ir-getASTVariable 
IR: add getASTVariable to VariableInstruction
 2019-10-09 08:56:01 +02:00
Anders Schack-Mulligen
5e0ce81030 Java: Refactor to improve join-pipeline. 2019-10-08 17:15:06 +02:00
Jonas Jensen
5d7a0b8dd5 Merge remote-tracking branch 'upstream/master' into dataflow-ref-parameter 
I've accepted the new test output, which shows that this branch fixes
two false negatives in the test cases from #2088.
 2019-10-08 13:09:20 +02:00
Jonas Jensen
19f642fc8d Merge commit '7434702' into dataflow-ref-parameter 
This merges #1735 into this branch to resolve the semantic merge
conflicts between them.
 2019-10-08 12:55:47 +02:00
Anders Schack-Mulligen
20084fb3c0 Java: Fix pruning in partialPathStep. 2019-10-08 11:28:53 +02:00
Anders Schack-Mulligen
bf14889077 Java: Refactor to improve performance. 2019-10-08 11:28:35 +02:00
Anders Schack-Mulligen
f8123679a1 Java: Qldoc updates. 2019-10-07 16:12:31 +02:00
Anders Schack-Mulligen
75ebc098bb Java: Fix semantic merge conflict. 2019-10-07 15:42:26 +02:00
Anders Schack-Mulligen
b581e38782 Java: Autoformat and sync post rebase. 2019-10-07 15:26:39 +02:00
Tom Hvitved
ee5503146e Add stub implementations for isUnreachableInCall() 2019-10-07 15:13:49 +02:00
Tom Hvitved
eabfa31767 Synchronize data flow files 2019-10-07 15:13:48 +02:00
Robert Marsh
7fefe4385a Merge pull request #1963 from jbj/predictableInstruction 
C++: Implement predictableInstruction without Expr
 2019-10-04 10:04:52 -07:00
ian-semmle
ebc10cf5db Merge pull request #2084 from matt-gretton-dann/cpp-445-synthetic_destructor_call-INVALID_KEY-warnings 
Update keysets for synthetic_destructor_call and *variables tuple
 2019-10-04 16:38:35 +01:00
Geoffrey White
0e478d1c0e Merge pull request #2066 from jbj/dataflow-conditionAlwaysTrue-perf 
C++: Improve join orders for QL CFG
 2019-10-04 14:16:41 +01:00
Geoffrey White
e465f4cc81 Merge pull request #2064 from jbj/leapyear-extends-abstract 
C++: Avoid `extends Operation` in LeapYear.qll
 2019-10-04 14:15:21 +01:00
Jonas Jensen
a7641a8765 C++: Clarify OutNode and ReturnNode QLDoc 2019-10-04 14:33:04 +02:00
Tom Hvitved
9b58d799cb Java/C++/C#: Tweak AccessPathNil::toString() 
Move the type annotation outside the brackets, to avoid prefixes such as
`[ : T]`.
 2019-10-04 11:09:44 +02:00
Robert Marsh
6e587f3f2a IR: Add VariableInstruction.getASTVariable 2019-10-03 13:12:06 -07:00
Robert Marsh
c1e3821ab0 IR: rename getVariable to getIRVariable 2019-10-03 13:10:49 -07:00
Matthew Gretton-Dann
618d0a9603 C++: Update DB Stats 2019-10-03 15:16:50 +01:00
Matthew Gretton-Dann
a7f682a9be C++: Update *variables keysets. 2019-10-03 15:16:50 +01:00
Matthew Gretton-Dann
d62730a9f3 C++: Update synthetic_destructor_call keysets. 
Reorder the [ destructor_call, expr ] tuple.
Add a [ expr, i ] tuple.
 2019-10-03 15:16:50 +01:00
Matthew Gretton-Dann
06d1d6ed5d C++: Fix synthetic_destructor_call key uniqueness. 2019-10-03 15:16:50 +01:00
Jonas Jensen
dca39f0fad Merge pull request #2027 from zlaski-semmle/zlaski/memset-model 
[zlaski/memset-model] QL model for `memset` and friends
 2019-10-03 14:31:23 +02:00