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1841 Commits

Author SHA1 Message Date
Pavel Avgustinov
abcaeded23 Only split BBs for var-defining partial-defs 2019-08-08 14:05:03 +02:00
Pavel Avgustinov
46e6b587bc Exclude partial defs from ordinary SSA handling 2019-08-08 14:05:03 +02:00
Pavel Avgustinov
5fbe982084 Add missing getType override 2019-08-08 14:05:03 +02:00
Pavel Avgustinov
1b9a2d3d87 Reduce partial definition flow edge redundancy 2019-08-08 14:05:02 +02:00
Pavel Avgustinov
bb8eb235e0 Handle constructor call qualifiers 2019-08-08 14:05:02 +02:00
Pavel Avgustinov
66164eb06f Propagate data flow through NewExprs 2019-08-08 14:05:02 +02:00
Pavel Avgustinov
623652247d Introduce partial-definition nodes 2019-08-08 14:05:02 +02:00
Pavel Avgustinov
15b56d93bd No implicit instances for constructor call 2019-08-08 14:05:02 +02:00
Pavel Avgustinov
04454ef184 Begin extending dataflow node model for field flow (and other stuff) 2019-08-08 14:05:02 +02:00
Jonas Jensen
3b2ef44195 Merge pull request #1710 from geoffw0/oddsandends 
CPP: Delete invalid URL
 2019-08-07 15:02:37 +02:00
Geoffrey White
d1093cae2e CPP: Delete invalid URL and strange comment. 2019-08-07 09:25:36 +01:00
yh-semmle
033879f5a6 Merge pull request #1639 from aschackmull/java/in-out-barriers 
Java/C++/C# DataFlow: Add support for in/out barriers on sources and sinks.
 2019-08-07 01:07:19 -04:00
Jonas Jensen
077f372f98 Merge pull request #1570 from geoffw0/qldoceg 
CPP: Add syntax examples to QLDoc in Class.qll.
 2019-08-06 21:17:45 +02:00
zlaski-semmle
3ad0bcf3de Merge pull request #1701 from Semmle/geoffw0-patch-1 
CPP: QLDoc tidy up Declaration.qll
 2019-08-06 11:53:20 -07:00
Nick Rolfe
257daddf3b Merge pull request #1702 from mgrettondann/cpp-add-thread_local-support-external 
C++: add thread_local support
 2019-08-06 14:51:27 +01:00
Geoffrey White
73736675ce CPP: Bits and bobs. 2019-08-06 13:32:04 +01:00
Geoffrey White
ab823f45fc CPP: class, struct or union where appropriate. 2019-08-06 13:32:04 +01:00
Geoffrey White
8d22eb87f0 CPP: Improvements to qldoc. 2019-08-06 13:29:42 +01:00
Geoffrey White
4dd1267d6d CPP: Bracket consistency. 2019-08-06 13:29:42 +01:00
Geoffrey White
cf1869cfaa CPP: Indentation. 2019-08-06 13:29:42 +01:00
Geoffrey White
0029a33ee6 CPP: Deprecate Interface and remove the test. 2019-08-06 13:29:42 +01:00
Geoffrey White
49f6ac7358 CPP: Clean up Class, ClassDerivation and ClassTemplateSpecialization QLDoc. 2019-08-06 13:29:42 +01:00
Geoffrey White
2b408490a1 CPP: Implement simple changes. 2019-08-06 13:29:42 +01:00
Geoffrey White
99880bc4ea CPP: Add syntax examples for Class.qll. 2019-08-06 13:29:42 +01:00
Jonas Jensen
4dfd4f1dda Merge pull request #1674 from dave-bartolomeo/dave/ExternDecls2 
C++: Two IR fixes and a PrintAST workaround
 2019-08-06 13:46:04 +02:00
Matthew Gretton-Dann
90cfde53b3 C++: Add thread_local support - typo fix 2019-08-06 12:09:43 +01:00
Matthew Gretton-Dann
0e50a143af C++: Improve ReturnStackAllocatedMemory query 
Update the ReturnStackAllocatedMmeory query to not give a false positive
for thread_local variables.
 2019-08-06 11:22:32 +01:00
Matthew Gretton-Dann
a733625646 C++: Add Variable.isThreadLocal() 2019-08-06 11:22:26 +01:00
Geoffrey White
de9b936d76 QLDoc tidy up Declaration.qll 
Mostly just adding backticks in QLDoc comments.  I'm trying out the edit-in-github workflow @jbj showed me, which seems like it will be a quicker way to do minor changes like these.
 2019-08-06 10:54:20 +01:00
Anders Schack-Mulligen
a80cb262fc Java/C++/C#: Elaborate qldoc. 2019-08-05 16:28:25 +02:00
Anders Schack-Mulligen
9ebb83497d Java/C++/C#: Fix small mistake. 2019-08-05 15:34:12 +02:00
Anders Schack-Mulligen
2dc83c539c Java/C++/C#: Sync dataflow. 2019-08-05 12:07:32 +02:00
Anders Schack-Mulligen
d6e1ba6bed CPP: Autoformat cookbook examples. 2019-08-02 15:29:20 +02:00
Dave Bartolomeo
6370391dbd C++: Add sanity test for definitions that don't dominate their uses. 2019-08-01 15:01:42 -07:00
Dave Bartolomeo
912679ef8c C++: Two IR fixes 
My original fix in https://github.com/Semmle/ql/pull/1661 fixed my minimal test case, but did not fix the original failure in a Linux snapshot. The real fix is to simply not create a `TranslatedDeclarationEntry` for an extern declaration, and have `TranslatedDeclStmt` skip any such declarations. I've added a regression test for that case (multiple extern declarations with same location in a macro expansion, with control flow between them). I did verify that it generates correct IR, and that it fixes all of the "use not dominated by definition" failures in Linux.

The underlying extractor bug, that caused the above issue also caused PrintAST to print garbage. I've worked around the bug in PrintAST.qll.

I've also fixed a bug in the control flow for `try`/`catch`, where there was missing flow from the `CatchByType` of the last handler of a `try` to the enclosing handler (or `Unwind`). Hat tip to @AndreiDiaconu1 for spotting this bug.
 2019-08-01 14:38:19 -07:00
zlaski-semmle
2bc66ae553 Merge pull request #1661 from dave-bartolomeo/dave/ExternDeclarations 
C++: Stop generating `NoOp` instructions for declarations of externs
 2019-07-31 19:09:06 -07:00
semmle-qlci
1d806971ed Merge pull request #1634 from aibaars/cookbook 
Approved by aschackmull, dave-bartolomeo, hvitved, markshannon, xiemaisi, yh-semmle
 2019-07-31 14:31:28 +01:00
Dave Bartolomeo
972f0d97d3 C++: Stop generating NoOp instructions for declarations of externs 
Previously, where we had a function-scoped `DeclarationEntry` for an extern variable or function, we would generate a `NoOp` instruction for it. There's nothing wrong with this by itself, although it was unnecessary. However, I've hit an extractor issue (Jira ticket already opened) that commonly causes multiple `DeclStmt`s to share a single `DeclarationEntry` child on extern declarations, so removing the `NoOp` instructions is an easy way to work around the extractor issue.
 2019-07-30 16:49:24 -07:00
Ian Lynagh
8d8a2201b7 C++: Accept changes to getValueText 2019-07-30 23:24:52 +01:00
semmle-qlci
07fa55f331 Merge pull request #1647 from zlaski-semmle/zlaski/builtin-types-compatible-p 
Approved by dave-bartolomeo
 2019-07-30 20:43:39 +01:00
zlaski-semmle
075e4ab159 Update cpp/ql/src/semmle/code/cpp/exprs/BuiltInOperations.qll 
Co-Authored-By: Dave Bartolomeo <42150477+dave-bartolomeo@users.noreply.github.com>
 2019-07-30 11:39:42 -07:00
Ian Lynagh
96a21238d1 C++: Add an upgrade script 2019-07-30 14:07:35 +01:00
Ian Lynagh
5d9d289eb7 C++: Add stats for 'constexpr if' 2019-07-30 14:07:35 +01:00
Ian Lynagh
6cce7ef2b7 C++: Add CFG test for constexpr_if 2019-07-30 14:07:35 +01:00
Ian Lynagh
7c763cc3bd C++: Add a test for constexpr if 2019-07-30 14:07:35 +01:00
Ian Lynagh
f705c25c74 C++: Add support for constexpr if 2019-07-30 14:07:35 +01:00
Ziemowit Laski
2abf7681e0 Point the old BuiltInOperationBuiltInTypes at our new BuiltInOperationBuiltInTypesCompatibleP, 
for backward compatibility.
 2019-07-29 19:43:18 -07:00
Ziemowit Laski
889408be8f Add test case. 2019-07-29 17:17:42 -07:00
Ziemowit Laski
80ca950ae7 Change __builtin_types to __builtin_types_compatible_p 2019-07-29 15:41:41 -07:00
Robert Marsh
6bd22b01b3 Merge pull request #1607 from dave-bartolomeo/dave/CrossLanguageIR 
C++: Start preparing IR for supporting multiple languages
 2019-07-29 12:34:21 -07:00