From f5e5d32eca300f47b1bd912bbf478345cc529560 Mon Sep 17 00:00:00 2001
From: zawz <zawz@hotmail.fr>
Date: Sun, 28 Feb 2021 14:15:36 +0100
Subject: [PATCH] implement bash specific ${!var}

---
 src/debashify.cpp | 11 +++++++++++
 src/parse.cpp     |  8 ++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/debashify.cpp b/src/debashify.cpp
index b69feb1..d4f9393 100644
--- a/src/debashify.cpp
+++ b/src/debashify.cpp
@@ -766,12 +766,23 @@ bool debashify_procsub(list* lst, debashify_params* params)
   return has_replaced;
 }
 
+bool debashify_var(variable* in, debashify_params* params)
+{
+  if(in->is_manip && in->precedence && in->manip->string() == "!")
+    throw std::runtime_error("Cannot debashify ${!VAR}");
+  return false;
+}
+
 bool r_debashify(_obj* o, debashify_params* params)
 {
   // global debashifies
   debashify_array_arithmetic(o, params);
   switch(o->type)
   {
+    case _obj::_variable: {
+      variable* t = dynamic_cast<variable*>(o);
+      debashify_var(t, params);
+    } break;
     case _obj::_arg: {
       arg* t = dynamic_cast<arg*>(o);
       debashify_array_get(t, params);
diff --git a/src/parse.cpp b/src/parse.cpp
index 9ad8f41..aa3ec29 100644
--- a/src/parse.cpp
+++ b/src/parse.cpp
@@ -282,9 +282,13 @@ std::pair<variable*, uint32_t> parse_manipulation(const char* in, uint32_t size,
   {
 #endif
     ;
-    if(in[i] == '#')
+    if(in[i] == '#' || in[i] == '!')
     {
-      precede = new arg("#");
+      if(!g_bash && in[i] == '!')
+        throw PARSE_ERROR("bash specific: '${!}'", i);
+      std::string t;
+      t+=in[i];
+      precede = new arg( t );
       i++;
     }