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tausbn/python-add-models-for-zstd-compression
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2863 Commits

Author SHA1 Message Date
Tom Hvitved
51d093add0 C#: Address review comments 2019-06-25 17:01:48 +02:00
Calum Grant
a3d5d2c8e4 Merge pull request #1345 from denislevin/denisl/cs/MishandlingJapaneseDatesAndLeapYear 
C#: Japanese Era and Leap Year checks (Likely Bugs)
 2019-06-20 10:21:26 +01:00
Calum Grant
07eb0ec5b2 Merge pull request #1462 from hvitved/csharp/controlflowgraph-depr 
C#: Remove uses of deprecated `ControlFlowGraph` module
 2019-06-19 17:55:04 +01:00
Denis Levin
aab4351efb A few more changes from code review 2019-06-18 17:49:48 -07:00
Tom Hvitved
a1d7382a67 C#: Update expected test output 2019-06-17 20:07:54 +02:00
Tom Hvitved
f408a6ddfc Merge pull request #1404 from calumgrant/cs/dispose-not-called-on-throw 
C#: Improvement to cs/dispose-not-called-on-throw
 2019-06-17 11:25:16 +02:00
Tom Hvitved
e70f17f260 C#: Remove uses of deprecated ControlFlowGraph module 2019-06-17 10:23:23 +02:00
semmle-qlci
03cf8ef94f Merge pull request #1422 from hvitved/csharp/switch-expr-completion 
Approved by calumgrant
 2019-06-17 08:33:43 +01:00
Denis Levin
da2422cb17 Addressed code review comments 2019-06-14 18:25:17 -07:00
Tom Hvitved
946be967f8 C#: Break up a big cached stage into multiple stages 
- Add `Caching.qll` for controlling caching across multiple files.
- Move `isUncertainRefCall()` out of cached module in `Assignable.qll` to avoid
  collapsing with CFG stage.
- Remove dependency on `AlwaysNullExpr` in `NullValue::getAnExpr()` to avoid
  collapsing with CFG stage.
- Avoid caching pre-SSA library as it should only be used during the CFG construction
  stage.
 2019-06-12 16:05:45 +02:00
Calum Grant
d055c85ff0 C#: Exclude case from cs/dispose-not-called-on-throw where the disposable is disposed by a UsingStmt, even when explicitly disposed. 2019-06-11 15:20:27 +01:00
Calum Grant
40481fbf9d C#: Make SuppressNullableWarningExpr a nonNullValue, and add a test. 2019-06-11 12:45:50 +01:00
Calum Grant
d48ce859eb C#: Implement nullable warning suppression expressions. 2019-06-11 12:12:29 +01:00
Tom Hvitved
17aad4b0a5 C#: Fix CFG for switch expressions in Boolean/nullness contexts 2019-06-07 15:39:33 +02:00
Tom Hvitved
e538d8e9ac C#: Add CFG tests for switch expression in Boolean/nullness context 2019-06-07 15:39:28 +02:00
Calum Grant
c88359b9c7 C#: Fix test. 2019-06-05 09:42:48 +01:00
Calum Grant
9678f8eaba C#: Fix control flow graph for using declaration statements. 2019-06-04 18:10:49 +01:00
Calum Grant
20752c80c9 C#: Address review comments 2019-06-04 18:10:49 +01:00
Calum Grant
d6fac7bfb7 C#: Delete file. 2019-06-04 18:10:49 +01:00
Calum Grant
fa89d2b845 C#: Update stats and test output. 2019-06-04 18:10:49 +01:00
Calum Grant
923fbe4c9e C#: Implement QL model for using declarations, introducing UsingBlockStmt and a UsingDeclStmt. 2019-06-04 18:10:49 +01:00
Calum Grant
ac3a06f77b C#: Implement null coalescing assignment operator 2019-06-04 18:10:49 +01:00
Calum Grant
599a5b1eef C#: Make @local_function @modifiable, make LocalFunction extend Modifiable, and extract modifiers for local functions. 2019-06-04 18:10:49 +01:00
Tom Hvitved
f95dd6bb35 Guard tests 2019-06-03 16:00:22 +02:00
Tom Hvitved
25cb01ffea C#: Handle discard variable declarations in switch expressions 2019-06-03 15:50:41 +02:00
Tom Hvitved
8c1cab2d03 C#: Simplify extraction of is expressions and case statements 2019-06-03 15:50:41 +02:00
Calum Grant
032a6b1c7c Merge pull request #1375 from hvitved/csharp/switch-expr-guard 
C#: Switch expression guards
 2019-06-03 11:15:10 +01:00
Calum Grant
5b8c6d4789 Merge pull request #1377 from hvitved/csharp/useless-upcast 
C#: Teach `cs/useless-upcast` about disambiguating constructor calls
 2019-05-31 06:51:39 +01:00
Calum Grant
59a006e59e Merge pull request #1368 from hvitved/csharp/cil-nullness 
CIL: Account for multiple `VariableUpdate::getSource()`s in nullness analysis
 2019-05-29 20:55:08 +01:00
Tom Hvitved
6b99e1a1bf C#: Teach cs/useless-upcast about disambiguating constructor calls 2019-05-29 15:16:08 +02:00
Tom Hvitved
d8482083b9 C#: Add tests for disambiguated constructor calls 2019-05-29 15:14:30 +02:00
Tom Hvitved
884ef4c960 Merge pull request #1362 from calumgrant/cs/cs8/testing 
C#: Various small C#8 features
 2019-05-29 14:00:43 +02:00
Tom Hvitved
c68dfb9d68 C#: Switch expression guards 2019-05-29 13:50:42 +02:00
Tom Hvitved
23ce5bc7bf Merge pull request #1353 from calumgrant/cs/diagnostic-queries3 
C#: Add internal queries for extractor and compiler diagnostics
 2019-05-29 10:26:41 +02:00
Calum Grant
1b264f73b4 C#: Fix test settings. 2019-05-29 08:15:51 +01:00
Calum Grant
573646fe6a C#: Various C#8 features: 
- Async streams (test only)
 - Unmanaged generic structs (extractor support)
 - Alternate interpolated strings (test only)
 - static local function (test only)
 2019-05-29 08:12:11 +01:00
Calum Grant
85f275ce73 Merge pull request #1347 from hvitved/csharp/dataflow/this-flow 
C#: Data flow through `this` parameter
 2019-05-28 19:58:01 +01:00
Tom Hvitved
0ee5fe88d9 CIL: Account for multiple VariableUpdate::getSource()s in nullness analysis 
For methods compiled without optimization (and possibly also with optimization),
it is possible for a variable update to have multiple possible assigned values.
For example, the non-optimized CIL for

```
return cond ? null : "not null"
```

is

```
0: nop
1: ldarg.0
2: ldfld cond
3: brtrue.s 6:
4: ldstr "not null"
5: br.s 7:
6: ldnull
7: stloc.0 L0 // stores either `null` or "not null"
8: br.s 9:
9: ldloc.0
10: ret
```

Consequently, an existential in `CallableReturns.qll` must be a `forex`.
 2019-05-28 10:13:00 +02:00
Tom Hvitved
4fc61ebbf3 C#: Add tests for maybe-null CIL methods 2019-05-28 10:05:33 +02:00
Tom Hvitved
a1e58cedac C#: Refactor recursive patterns implementation 
- Extract names of properties in a propery match, using the `exprorstmt_name` relation.
- Simplify extraction of properties by not distinguishing between top-level patterns
  and nested patterns.
- Introduce `PatternExpr` to capture patterns in `is` expressions, `case` statements,
  and `switch` expression arms.
- Generalize `IsTypeExpr`, `IsPatternExpr`, `IsRecursivePatternExpr`, and `IsConstantExpr`
  to just `IsExpr` with a member predicate `PatternExpr getPattern()`.
- Generalize `TypeCase`, `RecursivePatternCase`, and `ConstCase` to just `CaseStmt` with
  a member predicate `PatternExpr getPattern()`.
- Introduce classes `Switch` and `Case` as base classes of switch statements/expressions
  and case statements/switch expression arms, respectively.
- Simplify CFG logic using the generalized classes.
- Generalize guards library to cover `switch` expressions tests.
- Generalize data flow library to cover `switch` expression assignments.
 2019-05-24 13:49:05 +01:00
calum
1428d0ba93 C#: Implement recursive patterns 2019-05-24 13:49:05 +01:00
calum
318068b52f C#: Implement range operator 2019-05-24 13:49:04 +01:00
Tom Hvitved
d30bce4f31 C#: Update expected test output 2019-05-23 16:03:54 +02:00
Calum Grant
75c19e3991 C#: Add internal queries for extractor and compiler diagnostics. 2019-05-21 21:22:50 +01:00
Denis Levin
eacded27a9 Japanese Era and Leap Year checks (Likely Bugs) 2019-05-20 15:54:57 -07:00
Tom Hvitved
e1d4166e3c C#: Data flow through this parameter 2019-05-20 13:42:32 +02:00
Calum Grant
6a198ff7e1 Merge pull request #1306 from hvitved/csharp/dataflow/shared-implementation 
C#: Adopt shared data flow implementation
 2019-05-15 17:41:46 +01:00
Tom Hvitved
949b3601d0 C#: Address review comments 2019-05-15 14:10:42 +02:00
Calum Grant
7a3b6575a5 C#: Update expected output following roslyn-3.0.0 update. 2019-05-13 09:18:52 +01:00
calum
39bb3f2d52 C#: Fix elapsed timings and add a test for it. 2019-05-13 09:18:52 +01:00