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Author SHA1 Message Date
Esben Sparre Andreasen
6885b5cf1f JS: fix yaml StringIndexOutOfBoundsException 2019-06-21 15:18:56 +02:00
Arthur Baars
8b58b80e5f Merge pull request #1453 from markshannon/python-remove-redundant-override 
Python: Remove redundant override.
 2019-06-19 19:00:52 +02:00
Arthur Baars
d4bbb0f21f Merge pull request #1474 from yh-semmle/java-dbscheme-diagnostics-rc 
Java: add compilation/diagnostic relations to dbscheme (rc/1.21)
 2019-06-19 18:59:58 +02:00
Mark Shannon
217214c9e5 Merge pull request #1476 from aeyerstaylor/more-python-performance 
Python: Further performance improvements on large databases.
 2019-06-19 17:43:51 +01:00
alexet
78bf75544e Python: Improve performance of implicit_submodule_points_to 2019-06-19 16:01:13 +01:00
alexet
6472588569 Python: Remove pointless charpred. 2019-06-19 16:01:13 +01:00
alexet
4d1e4e0261 Python: Add no-inline to force correct join-order. 2019-06-19 16:01:12 +01:00
yh-semmle
f8f217be31 Java: add db stats for compilation/diagnostic relations 2019-06-19 10:44:30 +02:00
yh-semmle
b31b8b2403 Java: add compilation/diagnostic relations to dbscheme 2019-06-19 10:44:30 +02:00
Taus
bc7e6af979 Merge pull request #1463 from markshannon/python-no-duplicate-modules 
Python: Avoid duplicate modules in points-to and resulting blow-up.
 2019-06-19 10:35:26 +02:00
Taus
7ea4b6a52f Merge pull request #1465 from markshannon/python-performance-tweaks 
Python: Minor performance enhancements.
 2019-06-19 10:28:10 +02:00
Mark Shannon
62591e469e Python: Avoid duplicate modules in points-to and resulting blow-up. 2019-06-17 17:53:17 +01:00
Mark Shannon
a5fbbdeaf1 Python: Minor performance enhancements. 2019-06-14 16:16:06 +01:00
yh-semmle
87ebc178cc Merge pull request #1457 from felicity-semmle/1.21/java-ecj-support 
Java 1.21: clarify ECJ support
 2019-06-14 07:38:39 -04:00
Taus
584b0a36ad Merge pull request #1458 from markshannon/fix-typo 
Python: Fix 2 typos.
 2019-06-14 13:33:39 +02:00
Taus
51e06376a3 Merge pull request #1456 from markshannon/python-remove-value-get-source 
Python: Remove Value.getSource(). It has no use.
 2019-06-14 13:33:08 +02:00
Mark Shannon
91efce92bd Python: Fix 2 typos. 2019-06-14 11:49:15 +01:00
Felicity Chapman
f6aa9b648b Add footnote about the Maven Compiler and Takari Lifecycle plugins 2019-06-14 08:56:42 +01:00
Mark Shannon
30e1cbc5fc Python: Remove Value.getSource(). It has no use. 2019-06-13 18:23:54 +01:00
Taus
635de7cbe9 Merge pull request #1440 from markshannon/python-sanity-improvements 
Python sanity improvements
 2019-06-13 14:59:43 +02:00
Mark Shannon
660eda9f81 Python: Remove redundant override. 2019-06-13 12:41:56 +01:00
Mark Shannon
4a4ed69ade Python: Make sure that all Modules and ModuleObjects (even unused packages) have a working toString(). 2019-06-13 12:22:38 +01:00
semmle-qlci
8a43fdc806 Merge pull request #1448 from xiemaisi/js/fix-access-paths-perf-regression 
Approved by esben-semmle
 2019-06-13 10:13:27 +01:00
semmle-qlci
913544600a Merge pull request #1449 from xiemaisi/js/fix-http-response-sink-perf-regression 
Approved by esben-semmle
 2019-06-12 21:36:23 +01:00
Taus
e1b61d3163 Merge pull request #1423 from markshannon/python-extend-api 
Python: Extend the object API.
 2019-06-12 17:24:20 +02:00
Max Schaefer
60964efce5 JavaScript: Avoid bad context pushing in ReflectedXss::HttpResponseSink. 2019-06-12 16:20:35 +01:00
Mark Shannon
97294e16e0 Python: Update tests to account for improved API. 2019-06-12 15:00:20 +01:00
Mark Shannon
3b31b9cf58 Python: Extend object API. Clearly differentiate between what an object is called, and what it is named. 2019-06-12 14:59:39 +01:00
Mark Shannon
0b7d73456e Remove incorrect metadata from test query. 2019-06-12 14:31:21 +01:00
Anders Schack-Mulligen
cc70817a61 Merge pull request #1437 from jbj/bb-shortestDistances 
C++: use shortestDistances in PrimitiveBasicBlocks
 2019-06-12 11:31:07 +02:00
Taus
83cbad9a9d Merge pull request #1442 from markshannon/python-fixup-six-test-results 
Python: fixup test results for https://github.com/Semmle/ql/pull/1433
 2019-06-11 17:35:30 +02:00
Mark Shannon
0c02d3deef Python: Fix up expected test results for six test. 2019-06-11 15:44:44 +01:00
semmle-qlci
821d8c9dd2 Merge pull request #1436 from yh-semmle/java-android-manifest 
Approved by aschackmull
 2019-06-11 14:04:21 +01:00
Jonas Jensen
32122e86b0 C++: use plain recursion in PrimitiveBasicBlocks 
It's sometimes faster but sometimes up to 2x slower to use plain
recursion here. On the other hand, plain recursion won't run out of Java
heap space, and it won't make unrelated computation slower by forcing
all RAM data out to disk.
 2019-06-11 14:30:21 +02:00
Taus
d14d31c26e Merge pull request #1410 from markshannon/python-no-methodcall-defs-in-tests 
Python ESSA: Remove method-callsite definitions when call is in a test defining a pi-node.
 2019-06-11 11:17:16 +02:00
Jonas Jensen
16b151745b C++: use shortestDistances in PrimitiveBasicBlocks 
The use of transitive closure for BB index calculation has been the
cause of an out-of-memory error. This commit switches the calculation to
use the `shortestDistances` HOP, which still has the problem that the
result needs to fit in RAM, but at least the RAM requirements are sure
to be linear in the size of the result. The `shortestDistances` HOP is
already used for BB index calculation for the C++ IR and for C#.

We could guard even better against OOM by switching the calculation to
use manual recursion, but that would undo the much-needed performance
improvements we got from #123.

This change improves performance on Wireshark, which is notorious for
having long basic blocks. When I benchmarked `shortestDistances`
for #123, it was slower than TC. With the current evaluator, it looks
like `shortestDistances` is faster. Performance before was:

    PrimitiveBasicBlocks::Cached::getMemberIndex#ff ................... 9.7s (executed 8027 times)
    #PrimitiveBasicBlocks::Cached::member_step#ffPlus ................. 6.6s
    PrimitiveBasicBlocks::Cached::primitive_basic_block_entry_node#f .. 3.5s
    PrimitiveBasicBlocks::Cached::primitive_basic_block_member#fff .... 2.3s

Performance with this commit is:

    PrimitiveBasicBlocks::Cached::primitive_basic_block_entry_node#f ................................................................... 3.5s
    shortestDistances@PrimitiveBasicBlocks::Cached::primitive_basic_block_entry_node#1@PrimitiveBasicBlocks::Cached::member_step#2#fff . 3s
    PrimitiveBasicBlocks::Cached::primitive_basic_block_member#fff ..................................................................... 963ms
 2019-06-11 09:44:50 +02:00
semmle-qlci
61f7c78fa9 Merge pull request #1421 from xiemaisi/js/data-flow-tutorial-tests 
Approved by esben-semmle
 2019-06-11 07:55:47 +01:00
Mark Shannon
831850fad9 Merge pull request #1435 from aeyerstaylor/python-points-to-performance 
Python: Improve points-to performance on large databases.
 2019-06-10 18:11:53 +01:00
yh-semmle
8e6b62a301 Java: add QL library for modeling Android components 2019-06-10 13:00:03 -04:00
yh-semmle
0fb323b5ff Java: add QL library for modeling AndroidManifest.xml files 2019-06-10 12:59:47 -04:00
alexet
f04bc26684 Python: Improve points-to performance on large databases. 2019-06-10 17:12:45 +01:00
Mark Shannon
28741dda07 Merge pull request #1433 from aeyerstaylor/faster-python 
Python: Improve performance of submodule name computation.
 2019-06-10 15:30:09 +01:00
alexet
e66c132bae Python: Improve performance of submodule name computation. 2019-06-10 12:07:31 +01:00
yh-semmle
9c7995961d Merge pull request #1426 from felicity-semmle/1.21/support 
Update support info for 1.21
 2019-06-10 06:58:20 -04:00
Mark Shannon
dd5cf392de Merge pull request #1430 from felicity-semmle/1.21/python-change-notes 
LGTM 1.21: Finalize Python change notes
 2019-06-10 11:48:27 +01:00
Felicity Chapman
9b9f257e0a Add a link to a new query on LGTM.com 2019-06-10 11:35:19 +01:00
Felicity Chapman
b242b84764 Remove boilerplate text and fix table formatting 2019-06-10 11:32:34 +01:00
Mark Shannon
0f0dc81291 Python ESSA: Remove method-callsite definitions when call is in a test defining a pi-node. 2019-06-10 11:23:15 +01:00
Felicity Chapman
54a0772821 Merge pull request #1429 from markshannon/python-points-to-change-note 
Backport of https://github.com/Semmle/ql/pull/1425
 2019-06-10 11:17:03 +01:00
Max Schaefer
b32a037ff2 JavaScript: Refactor a few access path computation predicates. 2019-06-10 11:15:52 +01:00