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C#: Extract expanded compiler arguments

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This commit is contained in:
Tamas Vajk
2024-01-30 15:37:10 +01:00
parent 41cca4711b
commit fddbb1a722
13 changed files with 299 additions and 9 deletions
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13
csharp/extractor/Semmle.Util/CommandLineExtensions.cs
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@@ -6,22 +6,25 @@ namespace Semmle.Util
{
public static class CommandLineExtensions
{
public static bool IsFileArgument(string arg) => arg.StartsWith('@');
/// <summary>
/// Archives the first "@" argument in a list of command line arguments.
/// Subsequent "@" arguments are ignored.
/// Archives the content of all the "@" arguments in a list of command line arguments.
/// </summary>
/// <param name="commandLineArguments">The raw command line arguments.</param>
/// <param name="textWriter">The writer to archive to.</param>
/// <param name="commandLineArguments">The raw command line arguments.</param>
/// <returns>True iff the file was written.</returns>
public static bool WriteCommandLine(this IEnumerable<string> commandLineArguments, TextWriter textWriter)
public static bool WriteContentFromArgumentFile(this TextWriter textWriter, IEnumerable<string> commandLineArguments)
{
var found = false;
foreach (var arg in commandLineArguments.Where(arg => arg.StartsWith('@')).Select(arg => arg.Substring(1)))
foreach (var arg in commandLineArguments.Where(IsFileArgument).Select(arg => arg[1..]))
{
string? line;
using var file = new StreamReader(arg);
while ((line = file.ReadLine()) is not null)
{
textWriter.WriteLine(line);
}
found = true;
}
return found;