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C#: Migrate extractor to this repository.

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calum
2018-10-08 12:47:37 +01:00
parent 3e022ad36f
commit 103d140e71
247 changed files with 25866 additions and 0 deletions
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csharp/extractor/Semmle.Extraction.CSharp/Populators/Methods.cs Normal file
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using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Semmle.Util;
namespace Semmle.Extraction.CSharp.Populators
{
public static class MethodExtensions
{
class AstLineCounter : CSharpSyntaxVisitor<LineCounts>
{
public override LineCounts DefaultVisit(SyntaxNode node)
{
string text = node.SyntaxTree.GetText().GetSubText(node.GetLocation().SourceSpan).ToString();
return Semmle.Util.LineCounter.ComputeLineCounts(text);
}
public override LineCounts VisitMethodDeclaration(MethodDeclarationSyntax method)
{
return Visit(method.Identifier, method.Body ?? (SyntaxNode)method.ExpressionBody);
}
public LineCounts Visit(SyntaxToken identifier, SyntaxNode body)
{
int start = identifier.GetLocation().SourceSpan.Start;
int end = body.GetLocation().SourceSpan.End - 1;
var textSpan = new Microsoft.CodeAnalysis.Text.TextSpan(start, end - start);
string text = body.SyntaxTree.GetText().GetSubText(textSpan) + "\r\n";
return Semmle.Util.LineCounter.ComputeLineCounts(text);
}
public override LineCounts VisitConstructorDeclaration(ConstructorDeclarationSyntax method)
{
return Visit(method.Identifier, (SyntaxNode)method.Body ?? method.ExpressionBody);
}
public override LineCounts VisitDestructorDeclaration(DestructorDeclarationSyntax method)
{
return Visit(method.Identifier, (SyntaxNode)method.Body ?? method.ExpressionBody);
}
public override LineCounts VisitOperatorDeclaration(OperatorDeclarationSyntax node)
{
return Visit(node.OperatorToken, node.Body ?? (SyntaxNode)node.ExpressionBody);
}
}
public static void NumberOfLines(this Context cx, ISymbol symbol, IEntity callable)
{
foreach (var decl in symbol.DeclaringSyntaxReferences)
{
cx.NumberOfLines((CSharpSyntaxNode)decl.GetSyntax(), callable);
}
}
public static void NumberOfLines(this Context cx, CSharpSyntaxNode node, IEntity callable)
{
var lineCounts = node.Accept(new AstLineCounter());
cx.Emit(Tuples.numlines(callable, lineCounts));
}
}
}