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PS: Copy extractor and various scripts from internal repo to public repo.

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Mathias Vorreiter Pedersen
2024-08-13 19:56:20 +01:00
parent d4c0c4059d
commit 58fc649657
192 changed files with 15205 additions and 0 deletions
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61
powershell/extractor/Semmle.Extraction.PowerShell/Entities/StatementBlockEntity.cs Normal file
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using System;
using System.IO;
using System.Management.Automation.Language;
namespace Semmle.Extraction.PowerShell.Entities
{
internal class StatementBlockEntity : CachedEntity<(StatementBlockAst, StatementBlockAst)>
{
private StatementBlockEntity(PowerShellContext cx, StatementBlockAst fragment)
: base(cx, (fragment, fragment))
{
}
public override Microsoft.CodeAnalysis.Location ReportingLocation => PowerShellContext.CreateAnalysisLocation(Fragment);
public StatementBlockAst Fragment => Symbol.Item1;
public override void Populate(TextWriter trapFile)
{
trapFile.statement_block(this, Fragment.Statements.Count, Fragment.Traps?.Count ?? 0);
trapFile.statement_block_location(this, TrapSuitableLocation);
for (int index = 0; index < Fragment.Statements.Count; index++)
{
trapFile.statement_block_statement(this, index,
EntityConstructor.ConstructAppropriateEntity(PowerShellContext, Fragment.Statements[index]));
}
if (Fragment.Traps is not null)
{
for (int index = 0; index < Fragment.Traps.Count; index++)
{
trapFile.statement_block_trap(this, index,
EntityConstructor.ConstructAppropriateEntity(PowerShellContext, Fragment.Traps[index]));
}
}
}
public override bool NeedsPopulation => true;
public override void WriteId(EscapingTextWriter trapFile)
{
trapFile.WriteSubId(TrapSuitableLocation);
trapFile.Write(";statement_block");
}
internal static StatementBlockEntity Create(PowerShellContext cx, StatementBlockAst fragment)
{
var init = (fragment, fragment);
return StatementBlockEntityFactory.Instance.CreateEntity(cx, init, init);
}
private class StatementBlockEntityFactory : CachedEntityFactory<(StatementBlockAst, StatementBlockAst), StatementBlockEntity>
{
public static StatementBlockEntityFactory Instance { get; } = new StatementBlockEntityFactory();
public override StatementBlockEntity Create(PowerShellContext cx, (StatementBlockAst, StatementBlockAst) init) =>
new StatementBlockEntity(cx, init.Item1);
}
public override TrapStackBehaviour TrapStackBehaviour => TrapStackBehaviour.OptionalLabel;
}
}