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z80coder/query-pack-release-candidate-2
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6915 Commits

Author SHA1 Message Date
Geoffrey White
33ae7ee802 Merge pull request #2130 from jbj/cfg-pos-int 
C++: Implement Pos and Spec as int, not newtype
 2019-10-16 09:56:14 +01:00
Jonas Jensen
bca1be0601 Merge pull request #2135 from zlaski-semmle/zlaski/memset-model 
[zlaski/memset-model] Add side effect modeling to Memset.
 2019-10-16 08:49:24 +02:00
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
692c29d095 C++: Test fun_decl for INVALID_KEYs 2019-10-15 14:47:32 +01:00
Matthew Gretton-Dann
0f6d64e27e C++: Update schema stats 2019-10-15 14:42:57 +01:00
Matthew Gretton-Dann
e4174ff610 C++: Add schema upgrade script 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
564e4511bc C++: add upgrade script 2019-10-14 11:31:59 +01:00
Nick Rolfe
6c83c76268 C++: add a test for __builtin_complex 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
Geoffrey White
62625cc454 CPP: Extend the test. 2019-10-14 10:44:04 +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
Ziemowit Laski
5558922b31 [CPP-434] Drop the requirement that RHS not be cast to unsigned, since overflow occurs on LHS. Adjust test case. 2019-10-11 17:01:16 -07:00
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
Ziemowit Laski
33cd6de729 [CPP-434] Improved query and test suite. 2019-10-10 18:11:35 -07:00
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
1c0fdef0a8 CPP: Add a simplified test case 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
bc4363bc22 CPP: Add a test of FunctionAccess and cases for FieldAccess. 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
Geoffrey White
3f167a6f15 CPP: Add a test involving templates. 2019-10-10 09:15:19 +01:00
Geoffrey White
4fc73cab63 CPP: Add a test of ComparisonPrecedence.ql. 2019-10-10 09:15:19 +01:00
Ziemowit Laski
1ab965761b [CPP-434] Incorporate test from BadAdditionOverflowCheck. 2019-10-09 17:30:30 -07:00
Ziemowit Laski
7fc47d496a [CPP-434] Much improved query (producing only true positives on a run of 75 projects). 2019-10-09 16:40:19 -07:00
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
Ziemowit Laski
e617a05a1f [CPP-434] One bad usage is undetected; adjust test accordingly. 2019-10-08 17:20:25 -07:00
Ziemowit Laski
bd87d7bc76 [CPP-434] Switch to global value numbering (GVN). Improve qlhelp doc. 2019-10-08 16:33:05 -07:00
Ziemowit Laski
afa34b5054 [CPP-434] Improvements to Qhelp; hashCons-ify query. 2019-10-08 14:12:35 -07:00
Ziemowit Laski
872054a89a [CPP-434] Narrow down query. 2019-10-08 14:12:35 -07:00
Ziemowit Laski
341dc12fc8 [CPP-434] Adjust expected output. 2019-10-08 14:12:35 -07:00
Ziemowit Laski
16411d1b6e [CPP-434] Remove references to underflow and subtraction. 2019-10-08 14:12:35 -07:00
Ziemowit Laski
8c6caf2b4e [CPP-434] Rename everything to SignedOverflowCheck. Add .qlhelp. Deal with addition only, not subtraction. 2019-10-08 14:12:35 -07:00
Ziemowit Laski
c9a9aff221 [CPP-434] Expected result. 2019-10-08 14:12:35 -07:00