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131 Commits

Author SHA1 Message Date
Tom Hvitved
901f389a7d C#: Add CFG tests for field/property initializers 2019-01-16 10:29:26 +01:00
Tom Hvitved
390ebc96ae C#: Autoformat QL files 2019-01-11 13:55:28 +01:00
Tom Hvitved
6fccfa3b0a C#: Fix CFG for foreach statements with tuple declarations 2019-01-04 18:51:55 +01:00
Tom Hvitved
72b3514970 C#: Add CFG tests for foreach statements with multipe variable declarations 2019-01-04 18:17:48 +01:00
Tom Hvitved
231465143d C#: Autoformat QL tests 2018-12-20 10:19:59 +01:00
Tom Hvitved
c887dc89dc C#: Fix a bug in ThrowingCallable 
A method such as

```
void M()
{
    throw new Exception();
}
```

was incorrectly not categorized as a `ThrowingCallable`, that is, a callable
that always throws an exception upon invocation.
 2018-12-07 10:56:11 +01:00
Tom Hvitved
243af36167 C#: Add more CFG tests with throwing methods 2018-12-07 10:43:45 +01:00
Tom Hvitved
05b9519e9a C#: Handle multiple-field Boolean CFG splitting 
The internal pre-SSA library was extended on 3e78c2671f
to include fields/properties that are local-scope-like. The CFG splitting logic
uses ranking of SSA definitions to define an (arbitrary) order of splits, but for
fields/properties the implicit entry definition all have the same line and column.
In effect, such SSA definitions incorrectly get the same rank. Adding the name
of the field/property to the lexicographic ordering resolves the issue.
 2018-11-30 10:57:34 +01:00
Tom Hvitved
610be85c8c C#: Add CFG test for multiple-field Boolean splitting 2018-11-30 10:32:08 +01:00
Tom Hvitved
8233e34ba2 C#: Fix Boolean splitting for variables defined in a loop 2018-11-20 21:22:00 +01:00
Tom Hvitved
89d5daa137 C#: Fix Boolean splitting negation bug 2018-11-20 21:22:00 +01:00
Tom Hvitved
841218540e C#: Add CFG test 
This test exhibits two issues with Boolean CFG splitting: incorrect handling of
negated variables and incorrect splitting for variables defined inside a loop.
 2018-11-20 21:22:00 +01:00
Tom Hvitved
a3d74b00e0 C#: Address review comments 2018-10-25 14:15:09 +02:00
Tom Hvitved
515d6b6d26 C#: Detect constantly failing assertions in the CFG 2018-10-19 14:07:40 +02:00
Tom Hvitved
acea4ddfc4 C#: Introduce control flow exit completions 2018-10-19 14:07:35 +02:00
Tom Hvitved
0c1db6afc3 C#: Add more CFG tests 
Added tests for exits inside `try` statements and constantly failing assertions.
 2018-10-19 14:05:30 +02:00
Tom Hvitved
603c3d6a43 C#: Teach null-guards library about pattern matching 2018-10-15 10:55:16 +02:00
Tom Hvitved
e8cd99335a C#: Simple Boolean control flow graph splitting 2018-09-28 14:59:39 +02:00
Tom Hvitved
d0f63ca303 C#: Introduce SplitKind class 2018-09-28 14:59:39 +02:00
Tom Hvitved
b8caa117f1 C#: Add internal PreBasicBlocks library 2018-09-28 14:59:38 +02:00
calum
cff00506ba C#: Implementation of case ... when ...: which was not previously handled. Move getCondition to CaseStmt. Implement the CFG and tests. 2018-09-05 17:47:31 +01:00
Tom Hvitved
42faabc552 C#: Rename and restructure control flow graph entities 
Follow a naming structure similar to the data flow library:

- `ControlFlowNode` -> `ControlFlow::Node`.
- `CallableEntryNode` -> `ControlFlow::Nodes::EntryNode`.
- `CallableExitNode` -> `ControlFlow::Nodes::ExitNode`.
- `ControlFlowEdgeType` -> `ControlFlow::SuccessorType`.
- `ControlFlowEdgeSuccessor` -> `ControlFlow::SuccessorTypes::NormalSuccessor`.
- `ControlFlowEdgeConditional -> ControlFlow::SuccessorTypes::ConditionalSuccessor`.
- `ControlFlowEdgeBoolean` -> `ControlFlow::SuccessorTypes::BooleanSuccessor`.
- `ControlFlowEdgeNullness` -> `ControlFlow::SuccessorTypes::NullnessSuccessor`.
- `ControlFlowEdgeMatching` -> `ControlFlow::SuccessorTypes::MatchingSuccessor`.
- `ControlFlowEdgeEmptiness` -> `ControlFlow::SuccessorTypes::EmptinessSuccessor`.
- `ControlFlowEdgeReturn` -> `ControlFlow::SuccessorTypes::ReturnSuccessor`.
- `ControlFlowEdgeBreak` -> `ControlFlow::SuccessorTypes::BreakSuccessor`.
- `ControlFlowEdgeContinue` -> `ControlFlow::SuccessorTypes::ContinueSuccessor`.
- `ControlFlowEdgeGotoLabel` -> `ControlFlow::SuccessorTypes::GotoLabelSuccessor`.
- `ControlFlowEdgeGotoCase` -> `ControlFlow::SuccessorTypes::GotoCaseSuccessor`.
- `ControlFlowEdgeGotoDefault` -> `ControlFlow::SuccessorTypes::GotoDefaultSuccessor`.
- `ControlFlowEdgeException` -> `ControlFlow::SuccessorTypes::ExceptionSuccessor`
 2018-09-05 14:20:26 +02:00
Tom Hvitved
b1451b079e C#: Add CFG test that mixes finally splitting and catch splitting 2018-08-20 13:10:09 +02:00
Tom Hvitved
91ed111735 C#: Improve CFG for exception handlers 
Use generic CFG splitting to add a new type of split for exception handlers,
`ExceptionHandlerSplit`, which tags eachs node belonging to a `catch` clause
with the type of exception being caught. This allows for a more accurate CFG
for `try-catch` statements, where exception filters are handled properly.
 2018-08-20 13:08:28 +02:00
Tom Hvitved
a705b3afa5 C#: Generic control flow graph splitting 
Refactor existing logic for splitting control flow nodes belonging to a `finally`
block. A `Split` defines (1) when to enter the split, (2) when to stay in the split,
and (3) when to leave the split. With only these definitions, control flow splitting
is achieved by tagging each control flow element with the set of splits that apply
to it.
 2018-08-20 13:04:29 +02:00
Tom Hvitved
1365761f72 C#: Change toString() for FinallySplitControlFlowNode 2018-08-20 09:41:54 +02:00
Tom Hvitved
0edd0057fc C#: Do not use @kind graph in ql tests 2018-08-17 17:55:13 +02:00
Tom Hvitved
f7a515c8e9 C#: Prune CFG for obviously impossible nullness/matching edges 2018-08-06 13:45:23 -07:00
Tom Hvitved
9a1e148e85 C#: Various minor CFG bug fixes 2018-08-06 13:45:23 -07:00
Tom Hvitved
b161ff195b C#: Additional CFG tests 2018-08-06 13:45:23 -07:00
Pavel Avgustinov
b55526aa58 QL code and tests for C#/C++/JavaScript. 2018-08-02 17:53:23 +01:00