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C#: Default subtypes to true. #18060

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C#: Default subtypes to true. #18060

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ca5b51b
C#: Ignore the content of the subtypes column for MaD models and defa…
michaelnebel Nov 21, 2024
627d3d4
C#: Update test summaries expected output.
michaelnebel Nov 21, 2024
4933f7f
C#: Update expected test output.
michaelnebel Nov 22, 2024
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31 changes: 30 additions & 1 deletion csharp/ql/lib/semmle/code/csharp/dataflow/internal/ExternalFlow.qll
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Expand Up @@ -88,7 +88,7 @@
*/

import csharp
import ExternalFlowExtensions
private import ExternalFlowExtensions as ExternalFlowExtensions
private import DataFlowDispatch
private import DataFlowPrivate
private import DataFlowPublic
Expand All @@ -102,6 +102,35 @@ private import semmle.code.csharp.frameworks.System
private import codeql.dataflow.internal.AccessPathSyntax as AccessPathSyntax
private import codeql.mad.ModelValidation as SharedModelVal

private predicate sourceModel(
string namespace, string type, boolean subtypes, string name, string signature, string ext,
string output, string kind, string provenance, QlBuiltins::ExtensionId madId
) {
subtypes = true and
ExternalFlowExtensions::sourceModel(namespace, type, _, name, signature, ext, output, kind,
provenance, madId)
}

private predicate sinkModel(
string namespace, string type, boolean subtypes, string name, string signature, string ext,
string input, string kind, string provenance, QlBuiltins::ExtensionId madId
) {
subtypes = true and
ExternalFlowExtensions::sinkModel(namespace, type, _, name, signature, ext, input, kind,
provenance, madId)
}

private predicate summaryModel(
string namespace, string type, boolean subtypes, string name, string signature, string ext,
string input, string output, string kind, string provenance, QlBuiltins::ExtensionId madId
) {
subtypes = true and
ExternalFlowExtensions::summaryModel(namespace, type, _, name, signature, ext, input, output,
kind, provenance, madId)
}

private predicate neutralModel = ExternalFlowExtensions::neutralModel/6;

/**
* Holds if the given extension tuple `madId` should pretty-print as `model`.
*
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7 changes: 5 additions & 2 deletions csharp/ql/lib/semmle/code/csharp/dataflow/internal/FlowSummaryImpl.qll
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Expand Up @@ -11,6 +11,7 @@ private import DataFlowImplSpecific as DataFlowImplSpecific
private import DataFlowImplSpecific::Private
private import DataFlowImplSpecific::Public
private import semmle.code.csharp.Unification
private import semmle.code.csharp.dataflow.internal.ExternalFlowExtensions as ExternalFlowExtensions
private import semmle.code.csharp.dataflow.internal.ExternalFlow

module Input implements InputSig<Location, DataFlowImplSpecific::CsharpDataFlow> {
Expand Down Expand Up @@ -198,7 +199,8 @@ module SourceSinkInterpretationInput implements
string namespace, string type, boolean subtypes, string name, string signature, string ext,
QlBuiltins::ExtensionId madId
|
sourceModel(namespace, type, subtypes, name, signature, ext, output, kind, provenance, madId) and
ExternalFlowExtensions::sourceModel(namespace, type, _, name, signature, ext, output, kind,
provenance, madId) and
model = "MaD:" + madId.toString() and
e = interpretElement(namespace, type, subtypes, name, signature, ext)
)
Expand All @@ -211,7 +213,8 @@ module SourceSinkInterpretationInput implements
string namespace, string type, boolean subtypes, string name, string signature, string ext,
QlBuiltins::ExtensionId madId
|
sinkModel(namespace, type, subtypes, name, signature, ext, input, kind, provenance, madId) and
ExternalFlowExtensions::sinkModel(namespace, type, _, name, signature, ext, input, kind,
provenance, madId) and
model = "MaD:" + madId.toString() and
e = interpretElement(namespace, type, subtypes, name, signature, ext)
)
Expand Down
1 change: 1 addition & 0 deletions csharp/ql/src/utils/modelconverter/InterpretModel.qll
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@@ -1,4 +1,5 @@
import csharp
import semmle.code.csharp.dataflow.internal.ExternalFlowExtensions
import semmle.code.csharp.dataflow.internal.ExternalFlow

bindingset[namespace0, type0, name0, signature0]
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2 changes: 1 addition & 1 deletion csharp/ql/test/library-tests/dataflow/async/Async.expected
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@@ -1,5 +1,5 @@
models
| 1 | Summary: System.Threading.Tasks; Task; false; FromResult<TResult>; (TResult); ; Argument[0]; ReturnValue.Property[System.Threading.Tasks.Task`1.Result]; value; manual |
| 1 | Summary: System.Threading.Tasks; Task; true; FromResult<TResult>; (TResult); ; Argument[0]; ReturnValue.Property[System.Threading.Tasks.Task`1.Result]; value; manual |
edges
| Async.cs:9:37:9:41 | input : String | Async.cs:11:21:11:25 | access to parameter input : String | provenance | |
| Async.cs:11:21:11:25 | access to parameter input : String | Async.cs:11:14:11:26 | call to method Return | provenance | |
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30 changes: 15 additions & 15 deletions csharp/ql/test/library-tests/dataflow/collections/CollectionFlow.expected
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@@ -1,6 +1,6 @@
models
| 1 | Summary: System.Collections.Generic; Dictionary<TKey,TValue>; false; get_Keys; (); ; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Key]; ReturnValue.Element; value; manual |
| 2 | Summary: System.Collections.Generic; Dictionary<TKey,TValue>; false; get_Values; (); ; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Value]; ReturnValue.Element; value; manual |
| 1 | Summary: System.Collections.Generic; Dictionary<TKey,TValue>; true; get_Keys; (); ; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Key]; ReturnValue.Element; value; manual |
| 2 | Summary: System.Collections.Generic; Dictionary<TKey,TValue>; true; get_Values; (); ; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Value]; ReturnValue.Element; value; manual |
| 3 | Summary: System.Collections.Generic; ICollection<T>; true; Add; (T); ; Argument[0]; Argument[this].Element; value; manual |
| 4 | Summary: System.Collections.Generic; IDictionary<TKey,TValue>; true; Add; (TKey,TValue); ; Argument[0]; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Key]; value; manual |
| 5 | Summary: System.Collections.Generic; IDictionary<TKey,TValue>; true; Add; (TKey,TValue); ; Argument[1]; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Value]; value; manual |
Expand All @@ -11,20 +11,20 @@ models
| 10 | Summary: System.Collections.Generic; IDictionary<TKey,TValue>; true; set_Item; (TKey,TValue); ; Argument[1]; Argument[this].Element.Property[System.Collections.Generic.KeyValuePair`2.Value]; value; manual |
| 11 | Summary: System.Collections.Generic; IList<T>; true; get_Item; (System.Int32); ; Argument[this].Element; ReturnValue; value; manual |
| 12 | Summary: System.Collections.Generic; IList<T>; true; set_Item; (System.Int32,T); ; Argument[1]; Argument[this].Element; value; manual |
| 13 | Summary: System.Collections.Generic; KeyValuePair<TKey,TValue>; false; KeyValuePair; (TKey,TValue); ; Argument[0]; Argument[this].Property[System.Collections.Generic.KeyValuePair`2.Key]; value; manual |
| 14 | Summary: System.Collections.Generic; List<T>+Enumerator; false; get_Current; (); ; Argument[this].Property[System.Collections.Generic.List`1+Enumerator.Current]; ReturnValue; value; dfc-generated |
| 15 | Summary: System.Collections.Generic; List<T>; false; GetEnumerator; (); ; Argument[this].Element; ReturnValue.Property[System.Collections.Generic.List`1+Enumerator.Current]; value; manual |
| 13 | Summary: System.Collections.Generic; KeyValuePair<TKey,TValue>; true; KeyValuePair; (TKey,TValue); ; Argument[0]; Argument[this].Property[System.Collections.Generic.KeyValuePair`2.Key]; value; manual |
| 14 | Summary: System.Collections.Generic; List<T>+Enumerator; true; get_Current; (); ; Argument[this].Property[System.Collections.Generic.List`1+Enumerator.Current]; ReturnValue; value; dfc-generated |
| 15 | Summary: System.Collections.Generic; List<T>; true; GetEnumerator; (); ; Argument[this].Element; ReturnValue.Property[System.Collections.Generic.List`1+Enumerator.Current]; value; manual |
| 16 | Summary: System.Collections; IEnumerable; true; GetEnumerator; (); ; Argument[this].Element; ReturnValue.Property[System.Collections.IEnumerator.Current]; value; manual |
| 17 | Summary: System.Linq; Enumerable; false; First<TSource>; (System.Collections.Generic.IEnumerable<TSource>); ; Argument[0].Element; ReturnValue; value; manual |
| 18 | Summary: System.Linq; Enumerable; false; Select<TSource,TResult>; (System.Collections.Generic.IEnumerable<TSource>,System.Func<TSource,TResult>); ; Argument[0].Element; Argument[1].Parameter[0]; value; manual |
| 19 | Summary: System; ReadOnlySpan<T>; false; ReadOnlySpan; (T[]); ; Argument[0].Element; Argument[this].Element; value; manual |
| 20 | Summary: System; ReadOnlySpan<T>; false; get_Item; (System.Int32); ; Argument[this].Element; ReturnValue; value; manual |
| 21 | Summary: System; Span<T>; false; CopyTo; (System.Span<T>); ; Argument[this].Element; Argument[0].Element; value; manual |
| 22 | Summary: System; Span<T>; false; Fill; (T); ; Argument[0]; Argument[this].Element; value; manual |
| 23 | Summary: System; Span<T>; false; Span; (T); ; Argument[0]; Argument[this].Element; value; manual |
| 24 | Summary: System; Span<T>; false; Span; (T[]); ; Argument[0].Element; Argument[this].Element; value; manual |
| 25 | Summary: System; Span<T>; false; ToArray; (); ; Argument[this].Element; ReturnValue.Element; value; manual |
| 26 | Summary: System; Span<T>; false; get_Item; (System.Int32); ; Argument[this].Element; ReturnValue; value; manual |
| 17 | Summary: System.Linq; Enumerable; true; First<TSource>; (System.Collections.Generic.IEnumerable<TSource>); ; Argument[0].Element; ReturnValue; value; manual |
| 18 | Summary: System.Linq; Enumerable; true; Select<TSource,TResult>; (System.Collections.Generic.IEnumerable<TSource>,System.Func<TSource,TResult>); ; Argument[0].Element; Argument[1].Parameter[0]; value; manual |
| 19 | Summary: System; ReadOnlySpan<T>; true; ReadOnlySpan; (T[]); ; Argument[0].Element; Argument[this].Element; value; manual |
| 20 | Summary: System; ReadOnlySpan<T>; true; get_Item; (System.Int32); ; Argument[this].Element; ReturnValue; value; manual |
| 21 | Summary: System; Span<T>; true; CopyTo; (System.Span<T>); ; Argument[this].Element; Argument[0].Element; value; manual |
| 22 | Summary: System; Span<T>; true; Fill; (T); ; Argument[0]; Argument[this].Element; value; manual |
| 23 | Summary: System; Span<T>; true; Span; (T); ; Argument[0]; Argument[this].Element; value; manual |
| 24 | Summary: System; Span<T>; true; Span; (T[]); ; Argument[0].Element; Argument[this].Element; value; manual |
| 25 | Summary: System; Span<T>; true; ToArray; (); ; Argument[this].Element; ReturnValue.Element; value; manual |
| 26 | Summary: System; Span<T>; true; get_Item; (System.Int32); ; Argument[this].Element; ReturnValue; value; manual |
edges
| CollectionFlow.cs:14:40:14:41 | ts : A[] [element] : A | CollectionFlow.cs:14:52:14:53 | access to parameter ts : A[] [element] : A | provenance | |
| CollectionFlow.cs:14:40:14:41 | ts : null [element] : A | CollectionFlow.cs:14:52:14:53 | access to parameter ts : null [element] : A | provenance | |
Expand Down
62 changes: 31 additions & 31 deletions csharp/ql/test/library-tests/dataflow/external-models/ExternalFlow.expected
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@@ -1,37 +1,37 @@
models
| 1 | Summary: My.Qltest; D; false; Apply2; (System.Action<System.Object>,My.Qltest.D,My.Qltest.D); ; Argument[1].Field[My.Qltest.D.Field]; Argument[0].Parameter[0]; value; manual |
| 2 | Summary: My.Qltest; D; false; Apply<S,T>; (System.Func<S,T>,S); ; Argument[0].ReturnValue; ReturnValue; value; manual |
| 3 | Summary: My.Qltest; D; false; Apply<S,T>; (System.Func<S,T>,S); ; Argument[1]; Argument[0].Parameter[0]; value; manual |
| 4 | Summary: My.Qltest; D; false; Map<S,T>; (S[],System.Func<S,T>); ; Argument[0].Element; Argument[1].Parameter[0]; value; manual |
| 5 | Summary: My.Qltest; D; false; Map<S,T>; (S[],System.Func<S,T>); ; Argument[1].ReturnValue; ReturnValue.Element; value; manual |
| 6 | Summary: My.Qltest; D; false; Parse; (System.String,System.Int32); ; Argument[0]; Argument[1]; taint; manual |
| 7 | Summary: My.Qltest; D; false; Reverse; (System.Object[]); ; Argument[0].WithElement; ReturnValue; value; manual |
| 8 | Summary: My.Qltest; D; false; StepArgArg; (System.Object,System.Object); ; Argument[0]; Argument[1]; taint; manual |
| 9 | Summary: My.Qltest; D; false; StepArgQual; (System.Object); ; Argument[0]; Argument[this]; taint; manual |
| 10 | Summary: My.Qltest; D; false; StepArgRes; (System.Object); ; Argument[0]; ReturnValue; taint; manual |
| 11 | Summary: My.Qltest; D; false; StepElementGetter; (); ; Argument[this].Element; ReturnValue; value; manual |
| 12 | Summary: My.Qltest; D; false; StepElementSetter; (System.Object); ; Argument[0]; Argument[this].Element; value; manual |
| 13 | Summary: My.Qltest; D; false; StepFieldGetter; (); ; Argument[this].Field[My.Qltest.D.Field]; ReturnValue; value; manual |
| 14 | Summary: My.Qltest; D; false; StepFieldSetter; (System.Object); ; Argument[0]; Argument[this].Field[My.Qltest.D.Field]; value; manual |
| 15 | Summary: My.Qltest; D; false; StepFieldSetter; (System.Object); ; Argument[this]; ReturnValue.Field[My.Qltest.D.Field2]; value; manual |
| 16 | Summary: My.Qltest; D; false; StepPropertyGetter; (); ; Argument[this].Property[My.Qltest.D.Property]; ReturnValue; value; manual |
| 17 | Summary: My.Qltest; D; false; StepPropertySetter; (System.Object); ; Argument[0]; Argument[this].Property[My.Qltest.D.Property]; value; manual |
| 1 | Summary: My.Qltest; D; true; Apply2; (System.Action<System.Object>,My.Qltest.D,My.Qltest.D); ; Argument[1].Field[My.Qltest.D.Field]; Argument[0].Parameter[0]; value; manual |
| 2 | Summary: My.Qltest; D; true; Apply<S,T>; (System.Func<S,T>,S); ; Argument[0].ReturnValue; ReturnValue; value; manual |
| 3 | Summary: My.Qltest; D; true; Apply<S,T>; (System.Func<S,T>,S); ; Argument[1]; Argument[0].Parameter[0]; value; manual |
| 4 | Summary: My.Qltest; D; true; Map<S,T>; (S[],System.Func<S,T>); ; Argument[0].Element; Argument[1].Parameter[0]; value; manual |
| 5 | Summary: My.Qltest; D; true; Map<S,T>; (S[],System.Func<S,T>); ; Argument[1].ReturnValue; ReturnValue.Element; value; manual |
| 6 | Summary: My.Qltest; D; true; Parse; (System.String,System.Int32); ; Argument[0]; Argument[1]; taint; manual |
| 7 | Summary: My.Qltest; D; true; Reverse; (System.Object[]); ; Argument[0].WithElement; ReturnValue; value; manual |
| 8 | Summary: My.Qltest; D; true; StepArgArg; (System.Object,System.Object); ; Argument[0]; Argument[1]; taint; manual |
| 9 | Summary: My.Qltest; D; true; StepArgQual; (System.Object); ; Argument[0]; Argument[this]; taint; manual |
| 10 | Summary: My.Qltest; D; true; StepArgRes; (System.Object); ; Argument[0]; ReturnValue; taint; manual |
| 11 | Summary: My.Qltest; D; true; StepElementGetter; (); ; Argument[this].Element; ReturnValue; value; manual |
| 12 | Summary: My.Qltest; D; true; StepElementSetter; (System.Object); ; Argument[0]; Argument[this].Element; value; manual |
| 13 | Summary: My.Qltest; D; true; StepFieldGetter; (); ; Argument[this].Field[My.Qltest.D.Field]; ReturnValue; value; manual |
| 14 | Summary: My.Qltest; D; true; StepFieldSetter; (System.Object); ; Argument[0]; Argument[this].Field[My.Qltest.D.Field]; value; manual |
| 15 | Summary: My.Qltest; D; true; StepFieldSetter; (System.Object); ; Argument[this]; ReturnValue.Field[My.Qltest.D.Field2]; value; manual |
| 16 | Summary: My.Qltest; D; true; StepPropertyGetter; (); ; Argument[this].Property[My.Qltest.D.Property]; ReturnValue; value; manual |
| 17 | Summary: My.Qltest; D; true; StepPropertySetter; (System.Object); ; Argument[0]; Argument[this].Property[My.Qltest.D.Property]; value; manual |
| 18 | Summary: My.Qltest; E; true; get_MyProp; (); ; Argument[this].Field[My.Qltest.E.MyField]; ReturnValue; value; manual |
| 19 | Summary: My.Qltest; E; true; set_MyProp; (System.Object); ; Argument[0]; Argument[this].Field[My.Qltest.E.MyField]; value; manual |
| 20 | Summary: My.Qltest; HE; false; ExtensionMethod; (My.Qltest.HI); ; Argument[0]; ReturnValue; value; manual |
| 21 | Summary: My.Qltest; I; false; GetFirst; (My.Qltest.MyInlineArray); ; Argument[0].Element; ReturnValue; value; manual |
| 22 | Summary: My.Qltest; J; false; SetProp1; (System.Object); ; Argument[0]; Argument[this]; value; manual |
| 23 | Summary: My.Qltest; J; false; get_Prop1; (); ; Argument[this]; ReturnValue; value; manual |
| 24 | Summary: My.Qltest; K; false; GetMyFieldOnSyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField2].Field[My.Qltest.K.MyField]; ReturnValue; value; manual |
| 25 | Summary: My.Qltest; K; false; GetMyNestedSyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField1].SyntheticField[MySyntheticField1.MyNestedSyntheticField]; ReturnValue; value; manual |
| 26 | Summary: My.Qltest; K; false; GetMySyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField]; ReturnValue; value; manual |
| 27 | Summary: My.Qltest; K; false; SetMyFieldOnSyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField2].Field[My.Qltest.K.MyField]; value; manual |
| 28 | Summary: My.Qltest; K; false; SetMyNestedSyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField1].SyntheticField[MySyntheticField1.MyNestedSyntheticField]; value; manual |
| 29 | Summary: My.Qltest; K; false; SetMySyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField]; value; manual |
| 30 | Summary: My.Qltest; Library; false; GeneratedFlowWithGeneratedNeutral; (System.Object); ; Argument[0]; ReturnValue; value; df-generated |
| 31 | Summary: My.Qltest; Library; false; GetValue; (); ; Argument[this].SyntheticField[X]; ReturnValue; value; dfc-generated |
| 32 | Summary: My.Qltest; Library; false; MixedFlowArgs; (System.Object,System.Object); ; Argument[1]; ReturnValue; value; manual |
| 33 | Summary: My.Qltest; Library; false; SetValue; (System.Object); ; Argument[0]; Argument[this].SyntheticField[X]; value; dfc-generated |
| 20 | Summary: My.Qltest; HE; true; ExtensionMethod; (My.Qltest.HI); ; Argument[0]; ReturnValue; value; manual |
| 21 | Summary: My.Qltest; I; true; GetFirst; (My.Qltest.MyInlineArray); ; Argument[0].Element; ReturnValue; value; manual |
| 22 | Summary: My.Qltest; J; true; SetProp1; (System.Object); ; Argument[0]; Argument[this]; value; manual |
| 23 | Summary: My.Qltest; J; true; get_Prop1; (); ; Argument[this]; ReturnValue; value; manual |
| 24 | Summary: My.Qltest; K; true; GetMyFieldOnSyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField2].Field[My.Qltest.K.MyField]; ReturnValue; value; manual |
| 25 | Summary: My.Qltest; K; true; GetMyNestedSyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField1].SyntheticField[MySyntheticField1.MyNestedSyntheticField]; ReturnValue; value; manual |
| 26 | Summary: My.Qltest; K; true; GetMySyntheticField; (); ; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField]; ReturnValue; value; manual |
| 27 | Summary: My.Qltest; K; true; SetMyFieldOnSyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField2].Field[My.Qltest.K.MyField]; value; manual |
| 28 | Summary: My.Qltest; K; true; SetMyNestedSyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField1].SyntheticField[MySyntheticField1.MyNestedSyntheticField]; value; manual |
| 29 | Summary: My.Qltest; K; true; SetMySyntheticField; (System.Object); ; Argument[0]; Argument[this].SyntheticField[My.Qltest.K.MySyntheticField]; value; manual |
| 30 | Summary: My.Qltest; Library; true; GeneratedFlowWithGeneratedNeutral; (System.Object); ; Argument[0]; ReturnValue; value; df-generated |
| 31 | Summary: My.Qltest; Library; true; GetValue; (); ; Argument[this].SyntheticField[X]; ReturnValue; value; dfc-generated |
| 32 | Summary: My.Qltest; Library; true; MixedFlowArgs; (System.Object,System.Object); ; Argument[1]; ReturnValue; value; manual |
| 33 | Summary: My.Qltest; Library; true; SetValue; (System.Object); ; Argument[0]; Argument[this].SyntheticField[X]; value; dfc-generated |
edges
| ExternalFlow.cs:9:20:9:23 | access to local variable arg1 : Object | ExternalFlow.cs:10:29:10:32 | access to local variable arg1 : Object | provenance | |
| ExternalFlow.cs:9:27:9:38 | object creation of type Object : Object | ExternalFlow.cs:9:20:9:23 | access to local variable arg1 : Object | provenance | |
Expand Down
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