From a5e4bc4fafc182c12384b71c724429426508777d Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Thu, 16 Feb 2023 09:50:57 +0330
Subject: [PATCH] Shell: Add a '--posix' mode to the 'dump' builtin

---
 Userland/Shell/Builtin.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Userland/Shell/Builtin.cpp b/Userland/Shell/Builtin.cpp
index 1c7268c938..ad9c03c7a0 100644
--- a/Userland/Shell/Builtin.cpp
+++ b/Userland/Shell/Builtin.cpp
@@ -6,6 +6,7 @@
 
 #include "AST.h"
 #include "Formatter.h"
+#include "PosixParser.h"
 #include "Shell.h"
 #include <AK/DeprecatedString.h>
 #include <AK/LexicalPath.h>
@@ -32,10 +33,17 @@ int Shell::builtin_noop(int, char const**)
 
 int Shell::builtin_dump(int argc, char const** argv)
 {
-    if (argc != 2)
+    bool posix = false;
+    StringView source;
+
+    Core::ArgsParser parser;
+    parser.add_positional_argument(source, "Shell code to parse and dump", "source");
+    parser.add_option(posix, "Use the POSIX parser", "posix", 'p');
+
+    if (!parser.parse(argc, const_cast<char**>(argv), Core::ArgsParser::FailureBehavior::PrintUsage))
         return 1;
 
-    Parser { StringView { argv[1], strlen(argv[1]) } }.parse()->dump(0);
+    (posix ? Posix::Parser { source }.parse() : Parser { source }.parse())->dump(0);
     return 0;
 }