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C#: Extract underlying methods of foreach statements

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This commit is contained in:
Tamas Vajk
2020-11-06 13:02:41 +01:00
parent 7859c5234a
commit 7c506f445c
14 changed files with 235 additions and 41 deletions
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14
csharp/extractor/Semmle.Extraction.CSharp/Entities/Statements/ForEach.cs
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@@ -18,11 +18,12 @@ namespace Semmle.Extraction.CSharp.Entities.Statements
return ret;
}
protected override void PopulateStatement(TextWriter _)
protected override void PopulateStatement(TextWriter trapFile)
{
Expression.Create(cx, Stmt.Expression, this, 1);
var typeSymbol = cx.GetModel(Stmt).GetDeclaredSymbol(Stmt);
var semanticModel = cx.GetModel(Stmt);
var typeSymbol = semanticModel.GetDeclaredSymbol(Stmt);
var type = typeSymbol.GetAnnotatedType();
var location = cx.Create(Stmt.Identifier.GetLocation());
@@ -30,6 +31,15 @@ namespace Semmle.Extraction.CSharp.Entities.Statements
Expressions.VariableDeclaration.Create(cx, typeSymbol, type, Stmt.Type, location, Stmt.Type.IsVar, this, 0);
Statement.Create(cx, Stmt.Statement, this, 2);
var info = semanticModel.GetForEachStatementInfo(Stmt);
var getEnumerator = Method.Create(cx, info.GetEnumeratorMethod);
var currentProp = Property.Create(cx, info.CurrentProperty);
var moveNext = Method.Create(cx, info.MoveNextMethod);
var dispose = Method.Create(cx, info.DisposeMethod);
var elementType = Type.Create(cx, info.ElementType);
trapFile.foreach_stmt_info(this, elementType, getEnumerator, moveNext, dispose, currentProp, info.IsAsynchronous);
}
}