From d2ac184c816ccdb034e17f1449554ac7dc59872f Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Fri, 14 Jul 2017 13:00:41 -0700
Subject: [PATCH] Add variable expansions

---
 corpus/commands.txt |   28 +
 grammar.js          |   25 +-
 src/grammar.json    |  105 +-
 src/parser.c        | 2388 +++++++++++++++++++++++++------------------
 4 files changed, 1534 insertions(+), 1012 deletions(-)

diff --git a/corpus/commands.txt b/corpus/commands.txt
index 066d7a6..b8d0104 100644
--- a/corpus/commands.txt
+++ b/corpus/commands.txt
@@ -100,3 +100,31 @@ cat a b 2> /dev/null
   (command (simple_command
     (file_redirect (file_descriptor) (file_descriptor))
     (command_name))))
+
+===============================
+Variable expansions
+===============================
+
+cat $FOO
+
+---
+
+(program
+  (command (simple_command
+    (command_name)
+    (expansion (variable_name)))))
+
+===============================
+Variable expansion operators
+===============================
+
+cat ${BAR} ${ABC=def} ${GHI:?jkl}
+
+---
+
+(program
+  (command (simple_command
+    (command_name)
+    (operator_expansion (variable_name))
+    (operator_expansion (variable_name) (argument))
+    (operator_expansion (variable_name) (argument)))))
diff --git a/grammar.js b/grammar.js
index 2588e6f..e4c7747 100644
--- a/grammar.js
+++ b/grammar.js
@@ -23,7 +23,11 @@ module.exports = grammar({
       rename($.leading_word, 'command_name'),
       optional(seq(
         /\s+/,
-        repeat(rename($.word, 'argument'))
+        repeat(choice(
+          rename($.word, 'argument'),
+          $.expansion,
+          $.operator_expansion
+        ))
       )),
       repeat(
         $.file_redirect
@@ -55,6 +59,21 @@ module.exports = grammar({
       rename($.word, 'argument')
     ),
 
+    expansion: $ => seq(
+      '$',
+      rename($.word, 'variable_name')
+    ),
+
+    operator_expansion: $ => seq(
+      '${',
+      rename($.leading_word, 'variable_name'),
+      optional(seq(
+        choice(':', ':?', '='),
+        rename($.word, 'argument')
+      )),
+      '}'
+    ),
+
     file_redirect: $ => seq(
       optional($.file_descriptor),
       choice('<', '>', '<&', '>&'),
@@ -66,9 +85,9 @@ module.exports = grammar({
 
     file_descriptor: $ => token(prec(1, /\d+/)),
 
-    leading_word: $ => /[^\s=|;]+/,
+    leading_word: $ => /[^\s=|;:{}]+/,
 
-    word: $ => /[^\s<>&]+/,
+    word: $ => /[^\s$<>{}&]+/,
 
     control_operator: $ => choice(
       '\n',
diff --git a/src/grammar.json b/src/grammar.json
index ed48741..14db532 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -74,12 +74,25 @@
                 {
                   "type": "REPEAT",
                   "content": {
-                    "type": "RENAME",
-                    "content": {
-                      "type": "SYMBOL",
-                      "name": "word"
-                    },
-                    "value": "argument"
+                    "type": "CHOICE",
+                    "members": [
+                      {
+                        "type": "RENAME",
+                        "content": {
+                          "type": "SYMBOL",
+                          "name": "word"
+                        },
+                        "value": "argument"
+                      },
+                      {
+                        "type": "SYMBOL",
+                        "name": "expansion"
+                      },
+                      {
+                        "type": "SYMBOL",
+                        "name": "operator_expansion"
+                      }
+                    ]
                   }
                 }
               ]
@@ -205,6 +218,82 @@
         }
       ]
     },
+    "expansion": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "$"
+        },
+        {
+          "type": "RENAME",
+          "content": {
+            "type": "SYMBOL",
+            "name": "word"
+          },
+          "value": "variable_name"
+        }
+      ]
+    },
+    "operator_expansion": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "${"
+        },
+        {
+          "type": "RENAME",
+          "content": {
+            "type": "SYMBOL",
+            "name": "leading_word"
+          },
+          "value": "variable_name"
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "CHOICE",
+                  "members": [
+                    {
+                      "type": "STRING",
+                      "value": ":"
+                    },
+                    {
+                      "type": "STRING",
+                      "value": ":?"
+                    },
+                    {
+                      "type": "STRING",
+                      "value": "="
+                    }
+                  ]
+                },
+                {
+                  "type": "RENAME",
+                  "content": {
+                    "type": "SYMBOL",
+                    "name": "word"
+                  },
+                  "value": "argument"
+                }
+              ]
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": "}"
+        }
+      ]
+    },
     "file_redirect": {
       "type": "SEQ",
       "members": [
@@ -273,11 +362,11 @@
     },
     "leading_word": {
       "type": "PATTERN",
-      "value": "[^\\s=|;]+"
+      "value": "[^\\s=|;:{}]+"
     },
     "word": {
       "type": "PATTERN",
-      "value": "[^\\s<>&]+"
+      "value": "[^\\s$<>{}&]+"
     },
     "control_operator": {
       "type": "CHOICE",
diff --git a/src/parser.c b/src/parser.c
index 1a79ca8..12cd88e 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -4,9 +4,9 @@
 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
 
 #define LANGUAGE_VERSION 3
-#define STATE_COUNT 66
-#define SYMBOL_COUNT 27
-#define TOKEN_COUNT 16
+#define STATE_COUNT 80
+#define SYMBOL_COUNT 34
+#define TOKEN_COUNT 21
 #define EXTERNAL_TOKEN_COUNT 0
 #define MAX_RENAME_SEQUENCE_LENGTH 5
 
@@ -17,31 +17,38 @@ enum {
   anon_sym_AMP_AMP = 4,
   anon_sym_SEMI = 5,
   anon_sym_EQ = 6,
-  anon_sym_LT = 7,
-  anon_sym_GT = 8,
-  anon_sym_LT_AMP = 9,
-  anon_sym_GT_AMP = 10,
-  sym_file_descriptor = 11,
-  sym_leading_word = 12,
-  sym_word = 13,
-  anon_sym_LF = 14,
-  anon_sym_SEMI_SEMI = 15,
-  sym_program = 16,
-  sym_command = 17,
-  sym_simple_command = 18,
-  sym_pipeline = 19,
-  sym_list = 20,
-  sym_environment_variable_assignment = 21,
-  sym_file_redirect = 22,
-  aux_sym_program_repeat1 = 23,
-  aux_sym_simple_command_repeat1 = 24,
-  aux_sym_simple_command_repeat2 = 25,
-  aux_sym_simple_command_repeat3 = 26,
-  rename_sym_1 = 27,
-  rename_sym_argument = 28,
-  rename_sym_command_name = 29,
-  rename_sym_file_name = 30,
-  rename_sym_variable_name = 31,
+  anon_sym_DOLLAR = 7,
+  anon_sym_DOLLAR_LBRACE = 8,
+  anon_sym_COLON = 9,
+  anon_sym_COLON_QMARK = 10,
+  anon_sym_RBRACE = 11,
+  anon_sym_LT = 12,
+  anon_sym_GT = 13,
+  anon_sym_LT_AMP = 14,
+  anon_sym_GT_AMP = 15,
+  sym_file_descriptor = 16,
+  sym_leading_word = 17,
+  sym_word = 18,
+  anon_sym_LF = 19,
+  anon_sym_SEMI_SEMI = 20,
+  sym_program = 21,
+  sym_command = 22,
+  sym_simple_command = 23,
+  sym_pipeline = 24,
+  sym_list = 25,
+  sym_environment_variable_assignment = 26,
+  sym_expansion = 27,
+  sym_operator_expansion = 28,
+  sym_file_redirect = 29,
+  aux_sym_program_repeat1 = 30,
+  aux_sym_simple_command_repeat1 = 31,
+  aux_sym_simple_command_repeat2 = 32,
+  aux_sym_simple_command_repeat3 = 33,
+  rename_sym_1 = 34,
+  rename_sym_argument = 35,
+  rename_sym_command_name = 36,
+  rename_sym_file_name = 37,
+  rename_sym_variable_name = 38,
 };
 
 static const char *ts_symbol_names[] = {
@@ -52,6 +59,11 @@ static const char *ts_symbol_names[] = {
   [anon_sym_AMP_AMP] = "&&",
   [anon_sym_SEMI] = ";",
   [anon_sym_EQ] = "=",
+  [anon_sym_DOLLAR] = "$",
+  [anon_sym_DOLLAR_LBRACE] = "${",
+  [anon_sym_COLON] = ":",
+  [anon_sym_COLON_QMARK] = ":?",
+  [anon_sym_RBRACE] = "}",
   [anon_sym_LT] = "<",
   [anon_sym_GT] = ">",
   [anon_sym_LT_AMP] = "<&",
@@ -67,6 +79,8 @@ static const char *ts_symbol_names[] = {
   [sym_pipeline] = "pipeline",
   [sym_list] = "list",
   [sym_environment_variable_assignment] = "environment_variable_assignment",
+  [sym_expansion] = "expansion",
+  [sym_operator_expansion] = "operator_expansion",
   [sym_file_redirect] = "file_redirect",
   [aux_sym_program_repeat1] = "program_repeat1",
   [aux_sym_simple_command_repeat1] = "simple_command_repeat1",
@@ -122,6 +136,36 @@ static const TSSymbolMetadata ts_symbol_metadata[SYMBOL_COUNT] = {
     .structural = true,
     .extra = false,
   },
+  [anon_sym_DOLLAR] = {
+    .visible = true,
+    .named = false,
+    .structural = true,
+    .extra = false,
+  },
+  [anon_sym_DOLLAR_LBRACE] = {
+    .visible = true,
+    .named = false,
+    .structural = true,
+    .extra = false,
+  },
+  [anon_sym_COLON] = {
+    .visible = true,
+    .named = false,
+    .structural = true,
+    .extra = false,
+  },
+  [anon_sym_COLON_QMARK] = {
+    .visible = true,
+    .named = false,
+    .structural = true,
+    .extra = false,
+  },
+  [anon_sym_RBRACE] = {
+    .visible = true,
+    .named = false,
+    .structural = true,
+    .extra = false,
+  },
   [anon_sym_LT] = {
     .visible = true,
     .named = false,
@@ -212,6 +256,18 @@ static const TSSymbolMetadata ts_symbol_metadata[SYMBOL_COUNT] = {
     .structural = true,
     .extra = false,
   },
+  [sym_expansion] = {
+    .visible = true,
+    .named = true,
+    .structural = true,
+    .extra = false,
+  },
+  [sym_operator_expansion] = {
+    .visible = true,
+    .named = true,
+    .structural = true,
+    .extra = false,
+  },
   [sym_file_redirect] = {
     .visible = true,
     .named = true,
@@ -244,7 +300,7 @@ static const TSSymbolMetadata ts_symbol_metadata[SYMBOL_COUNT] = {
   },
 };
 
-static TSSymbol ts_rename_sequences[14][MAX_RENAME_SEQUENCE_LENGTH] = {
+static TSSymbol ts_rename_sequences[17][MAX_RENAME_SEQUENCE_LENGTH] = {
   [1] = {
     [0] = rename_sym_command_name,
   },
@@ -274,17 +330,27 @@ static TSSymbol ts_rename_sequences[14][MAX_RENAME_SEQUENCE_LENGTH] = {
     [1] = rename_sym_command_name,
   },
   [10] = {
-    [1] = rename_sym_argument,
+    [1] = rename_sym_variable_name,
   },
   [11] = {
-    [0] = rename_sym_command_name,
+    [1] = rename_sym_argument,
   },
   [12] = {
-    [1] = rename_sym_command_name,
+    [0] = rename_sym_command_name,
   },
   [13] = {
     [1] = rename_sym_command_name,
   },
+  [14] = {
+    [1] = rename_sym_variable_name,
+  },
+  [15] = {
+    [1] = rename_sym_command_name,
+  },
+  [16] = {
+    [1] = rename_sym_variable_name,
+    [3] = rename_sym_argument,
+  },
 };
 
 static bool ts_lex(TSLexer *lexer, TSStateId state) {
@@ -293,453 +359,561 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
     case 0:
       if (lookahead == 0)
         ADVANCE(1);
-      if (lookahead == '&')
+      if (lookahead == '$')
         ADVANCE(2);
-      if (lookahead == ';')
+      if (lookahead == '&')
         ADVANCE(4);
-      if (lookahead == '<')
+      if (lookahead == ':')
         ADVANCE(6);
-      if (lookahead == '=')
+      if (lookahead == ';')
         ADVANCE(8);
+      if (lookahead == '<')
+        ADVANCE(10);
+      if (lookahead == '=')
+        ADVANCE(12);
       if (lookahead == '>')
-        ADVANCE(9);
+        ADVANCE(13);
       if (lookahead == '|')
-        ADVANCE(11);
+        ADVANCE(15);
+      if (lookahead == '}')
+        ADVANCE(16);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        ADVANCE(12);
+        ADVANCE(17);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(13);
+        ADVANCE(18);
       END_STATE();
     case 1:
       ACCEPT_TOKEN(ts_builtin_sym_end);
       END_STATE();
     case 2:
-      if (lookahead == '&')
+      ACCEPT_TOKEN(anon_sym_DOLLAR);
+      if (lookahead == '{')
         ADVANCE(3);
       END_STATE();
     case 3:
-      ACCEPT_TOKEN(anon_sym_AMP_AMP);
+      ACCEPT_TOKEN(anon_sym_DOLLAR_LBRACE);
       END_STATE();
     case 4:
-      ACCEPT_TOKEN(anon_sym_SEMI);
-      if (lookahead == ';')
+      if (lookahead == '&')
         ADVANCE(5);
       END_STATE();
     case 5:
-      ACCEPT_TOKEN(anon_sym_SEMI_SEMI);
+      ACCEPT_TOKEN(anon_sym_AMP_AMP);
       END_STATE();
     case 6:
-      ACCEPT_TOKEN(anon_sym_LT);
-      if (lookahead == '&')
+      ACCEPT_TOKEN(anon_sym_COLON);
+      if (lookahead == '?')
         ADVANCE(7);
       END_STATE();
     case 7:
-      ACCEPT_TOKEN(anon_sym_LT_AMP);
+      ACCEPT_TOKEN(anon_sym_COLON_QMARK);
       END_STATE();
     case 8:
-      ACCEPT_TOKEN(anon_sym_EQ);
+      ACCEPT_TOKEN(anon_sym_SEMI);
+      if (lookahead == ';')
+        ADVANCE(9);
       END_STATE();
     case 9:
-      ACCEPT_TOKEN(anon_sym_GT);
-      if (lookahead == '&')
-        ADVANCE(10);
+      ACCEPT_TOKEN(anon_sym_SEMI_SEMI);
       END_STATE();
     case 10:
-      ACCEPT_TOKEN(anon_sym_GT_AMP);
+      ACCEPT_TOKEN(anon_sym_LT);
+      if (lookahead == '&')
+        ADVANCE(11);
       END_STATE();
     case 11:
-      ACCEPT_TOKEN(anon_sym_PIPE);
+      ACCEPT_TOKEN(anon_sym_LT_AMP);
       END_STATE();
     case 12:
+      ACCEPT_TOKEN(anon_sym_EQ);
+      END_STATE();
+    case 13:
+      ACCEPT_TOKEN(anon_sym_GT);
+      if (lookahead == '&')
+        ADVANCE(14);
+      END_STATE();
+    case 14:
+      ACCEPT_TOKEN(anon_sym_GT_AMP);
+      END_STATE();
+    case 15:
+      ACCEPT_TOKEN(anon_sym_PIPE);
+      END_STATE();
+    case 16:
+      ACCEPT_TOKEN(anon_sym_RBRACE);
+      END_STATE();
+    case 17:
       ACCEPT_TOKEN(aux_sym_SLASH_BSLASHs_PLUS_SLASH);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        ADVANCE(12);
+        ADVANCE(17);
       END_STATE();
-    case 13:
+    case 18:
       ACCEPT_TOKEN(sym_file_descriptor);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(13);
+        ADVANCE(18);
       END_STATE();
-    case 14:
+    case 19:
       if (lookahead == 0)
         ADVANCE(1);
       if (lookahead == '<')
-        ADVANCE(15);
+        ADVANCE(20);
       if (lookahead == '>')
-        ADVANCE(18);
+        ADVANCE(23);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(14);
+        SKIP(19);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(20);
-      if ((lookahead < ';' || lookahead > '>') &&
-          lookahead != '|')
-        ADVANCE(17);
+        ADVANCE(25);
+      if ((lookahead < '0' || lookahead > '>') &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 15:
+    case 20:
       ACCEPT_TOKEN(anon_sym_LT);
       if (lookahead == '&')
-        ADVANCE(16);
+        ADVANCE(21);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 16:
+    case 21:
       ACCEPT_TOKEN(anon_sym_LT_AMP);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 17:
+    case 22:
       ACCEPT_TOKEN(sym_leading_word);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 18:
+    case 23:
       ACCEPT_TOKEN(anon_sym_GT);
       if (lookahead == '&')
-        ADVANCE(19);
+        ADVANCE(24);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 19:
+    case 24:
       ACCEPT_TOKEN(anon_sym_GT_AMP);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 20:
+    case 25:
       ACCEPT_TOKEN(sym_file_descriptor);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(20);
+        ADVANCE(25);
       END_STATE();
-    case 21:
+    case 26:
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(21);
+        SKIP(26);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(22);
+        ADVANCE(27);
       if (lookahead != 0 &&
+          lookahead != '$' &&
           lookahead != '&' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
+        ADVANCE(28);
       END_STATE();
-    case 22:
+    case 27:
       ACCEPT_TOKEN(sym_file_descriptor);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(22);
+        ADVANCE(27);
       END_STATE();
-    case 23:
+    case 28:
       ACCEPT_TOKEN(sym_word);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != '$' &&
           lookahead != '&' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
+        ADVANCE(28);
       END_STATE();
-    case 24:
+    case 29:
       if (lookahead == '<')
-        ADVANCE(6);
+        ADVANCE(10);
       if (lookahead == '>')
-        ADVANCE(9);
+        ADVANCE(13);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(24);
-      END_STATE();
-    case 25:
-      if (lookahead == '\n')
-        ADVANCE(26);
-      if (lookahead == '&')
-        ADVANCE(2);
-      if (lookahead == ';')
-        ADVANCE(4);
-      if (lookahead == '<')
-        ADVANCE(6);
-      if (lookahead == '=')
-        ADVANCE(8);
-      if (lookahead == '>')
-        ADVANCE(9);
-      if (lookahead == '|')
-        ADVANCE(28);
-      if (lookahead == '\t' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        ADVANCE(27);
-      if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(13);
-      END_STATE();
-    case 26:
-      ACCEPT_TOKEN(anon_sym_LF);
-      if (lookahead == '\n')
-        ADVANCE(26);
-      if (lookahead == '\t' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        ADVANCE(27);
-      END_STATE();
-    case 27:
-      ACCEPT_TOKEN(aux_sym_SLASH_BSLASHs_PLUS_SLASH);
-      if (lookahead == '\n')
-        ADVANCE(26);
-      if (lookahead == '\t' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        ADVANCE(27);
-      END_STATE();
-    case 28:
-      ACCEPT_TOKEN(anon_sym_PIPE);
-      if (lookahead == '&')
-        ADVANCE(29);
-      END_STATE();
-    case 29:
-      ACCEPT_TOKEN(anon_sym_PIPE_AMP);
+        SKIP(29);
       END_STATE();
     case 30:
+      if (lookahead == '\n')
+        ADVANCE(31);
+      if (lookahead == '&')
+        ADVANCE(4);
+      if (lookahead == ';')
+        ADVANCE(8);
+      if (lookahead == '<')
+        ADVANCE(10);
+      if (lookahead == '=')
+        ADVANCE(12);
+      if (lookahead == '>')
+        ADVANCE(13);
+      if (lookahead == '|')
+        ADVANCE(33);
+      if (lookahead == '\t' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        ADVANCE(32);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(18);
+      END_STATE();
+    case 31:
+      ACCEPT_TOKEN(anon_sym_LF);
+      if (lookahead == '\n')
+        ADVANCE(31);
+      if (lookahead == '\t' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        ADVANCE(32);
+      END_STATE();
+    case 32:
+      ACCEPT_TOKEN(aux_sym_SLASH_BSLASHs_PLUS_SLASH);
+      if (lookahead == '\n')
+        ADVANCE(31);
+      if (lookahead == '\t' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        ADVANCE(32);
+      END_STATE();
+    case 33:
+      ACCEPT_TOKEN(anon_sym_PIPE);
+      if (lookahead == '&')
+        ADVANCE(34);
+      END_STATE();
+    case 34:
+      ACCEPT_TOKEN(anon_sym_PIPE_AMP);
+      END_STATE();
+    case 35:
       if (lookahead == 0)
         ADVANCE(1);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(30);
+        SKIP(35);
       END_STATE();
-    case 31:
+    case 36:
       if (lookahead == '\n')
-        ADVANCE(32);
+        ADVANCE(37);
       if (lookahead == '&')
-        ADVANCE(2);
-      if (lookahead == ';')
         ADVANCE(4);
+      if (lookahead == ';')
+        ADVANCE(8);
       if (lookahead == '|')
-        ADVANCE(28);
+        ADVANCE(33);
       if (lookahead == '\t' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(31);
+        SKIP(36);
       END_STATE();
-    case 32:
+    case 37:
       ACCEPT_TOKEN(anon_sym_LF);
       END_STATE();
-    case 33:
+    case 38:
       if (lookahead == '\n')
-        ADVANCE(32);
+        ADVANCE(37);
       if (lookahead == '&')
-        ADVANCE(2);
-      if (lookahead == ';')
         ADVANCE(4);
+      if (lookahead == ';')
+        ADVANCE(8);
       if (lookahead == '\t' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(33);
+        SKIP(38);
       END_STATE();
-    case 34:
+    case 39:
       if (lookahead == '<')
-        ADVANCE(15);
+        ADVANCE(20);
       if (lookahead == '>')
-        ADVANCE(18);
+        ADVANCE(23);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(34);
+        SKIP(39);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(20);
+        ADVANCE(25);
       if (lookahead != 0 &&
-          (lookahead < ';' || lookahead > '>') &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '0' || lookahead > '>') &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 35:
+    case 40:
       if (lookahead == '\n')
-        ADVANCE(32);
-      if (lookahead == '&')
+        ADVANCE(37);
+      if (lookahead == '$')
         ADVANCE(2);
+      if (lookahead == '&')
+        ADVANCE(4);
       if (lookahead == ';')
-        ADVANCE(36);
+        ADVANCE(41);
       if (lookahead == '<')
-        ADVANCE(6);
+        ADVANCE(10);
       if (lookahead == '>')
-        ADVANCE(9);
+        ADVANCE(13);
       if (lookahead == '|')
-        ADVANCE(38);
+        ADVANCE(43);
       if (lookahead == '\t' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(35);
+        SKIP(40);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(22);
-      if (lookahead != 0)
-        ADVANCE(23);
+        ADVANCE(27);
+      if (lookahead != 0 &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(28);
       END_STATE();
-    case 36:
+    case 41:
       ACCEPT_TOKEN(anon_sym_SEMI);
       if (lookahead == ';')
-        ADVANCE(37);
+        ADVANCE(42);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != '$' &&
           lookahead != '&' &&
           lookahead != ';' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
+        ADVANCE(28);
       END_STATE();
-    case 37:
+    case 42:
       ACCEPT_TOKEN(anon_sym_SEMI_SEMI);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != '$' &&
           lookahead != '&' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
+        ADVANCE(28);
       END_STATE();
-    case 38:
+    case 43:
       ACCEPT_TOKEN(anon_sym_PIPE);
       if (lookahead == '&')
-        ADVANCE(29);
+        ADVANCE(34);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != '$' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
+        ADVANCE(28);
       END_STATE();
-    case 39:
+    case 44:
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(39);
+        SKIP(44);
       if (lookahead != 0 &&
+          lookahead != '$' &&
           lookahead != '&' &&
           lookahead != '<' &&
-          lookahead != '>')
-        ADVANCE(23);
-      END_STATE();
-    case 40:
-      if (lookahead == '\n')
-        ADVANCE(32);
-      if (lookahead == '&')
-        ADVANCE(2);
-      if (lookahead == ';')
-        ADVANCE(4);
-      if (lookahead == '<')
-        ADVANCE(6);
-      if (lookahead == '>')
-        ADVANCE(9);
-      if (lookahead == '|')
+          lookahead != '>' &&
+          lookahead != '{' &&
+          lookahead != '}')
         ADVANCE(28);
-      if (lookahead == '\t' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        SKIP(40);
-      if (('0' <= lookahead && lookahead <= '9'))
+      END_STATE();
+    case 45:
+      if (lookahead == '\n')
+        ADVANCE(37);
+      if (lookahead == '&')
+        ADVANCE(4);
+      if (lookahead == ';')
+        ADVANCE(8);
+      if (lookahead == '<')
+        ADVANCE(10);
+      if (lookahead == '>')
         ADVANCE(13);
-      END_STATE();
-    case 41:
-      if (lookahead == '\n')
-        ADVANCE(32);
-      if (lookahead == '&')
-        ADVANCE(42);
-      if (lookahead == ';')
-        ADVANCE(4);
-      if (lookahead == '<')
-        ADVANCE(15);
-      if (lookahead == '>')
-        ADVANCE(18);
       if (lookahead == '|')
-        ADVANCE(28);
+        ADVANCE(33);
       if (lookahead == '\t' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(41);
+        SKIP(45);
       if (('0' <= lookahead && lookahead <= '9'))
-        ADVANCE(20);
-      if (lookahead != 0 &&
-          (lookahead < ';' || lookahead > '>'))
-        ADVANCE(17);
+        ADVANCE(18);
       END_STATE();
-    case 42:
+    case 46:
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(46);
+      if (lookahead != 0 &&
+          lookahead != ':' &&
+          lookahead != ';' &&
+          lookahead != '=' &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
+      END_STATE();
+    case 47:
+      if (lookahead == ':')
+        ADVANCE(6);
+      if (lookahead == '=')
+        ADVANCE(12);
+      if (lookahead == '}')
+        ADVANCE(16);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(47);
+      END_STATE();
+    case 48:
+      if (lookahead == '}')
+        ADVANCE(16);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(48);
+      END_STATE();
+    case 49:
+      if (lookahead == '\n')
+        ADVANCE(37);
+      if (lookahead == '&')
+        ADVANCE(50);
+      if (lookahead == ';')
+        ADVANCE(8);
+      if (lookahead == '<')
+        ADVANCE(20);
+      if (lookahead == '>')
+        ADVANCE(23);
+      if (lookahead == '|')
+        ADVANCE(33);
+      if (lookahead == '\t' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(49);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(25);
+      if (lookahead != 0 &&
+          (lookahead < '0' || lookahead > '>') &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
+      END_STATE();
+    case 50:
       ACCEPT_TOKEN(sym_leading_word);
       if (lookahead == '&')
-        ADVANCE(43);
+        ADVANCE(51);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
-    case 43:
+    case 51:
       ACCEPT_TOKEN(anon_sym_AMP_AMP);
       if (lookahead != 0 &&
           lookahead != '\t' &&
           lookahead != '\n' &&
           lookahead != '\r' &&
           lookahead != ' ' &&
+          lookahead != ':' &&
           lookahead != ';' &&
           lookahead != '=' &&
-          lookahead != '|')
-        ADVANCE(17);
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
+      END_STATE();
+    case 52:
+      if (lookahead == '<')
+        ADVANCE(20);
+      if (lookahead == '>')
+        ADVANCE(23);
+      if (lookahead == '}')
+        ADVANCE(16);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(52);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(25);
+      if (lookahead != 0 &&
+          (lookahead < '0' || lookahead > '>') &&
+          (lookahead < '{' || lookahead > '}'))
+        ADVANCE(22);
       END_STATE();
     default:
       return false;
@@ -748,98 +922,119 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
 
 static TSLexMode ts_lex_modes[STATE_COUNT] = {
   [0] = {.lex_state = 0},
-  [1] = {.lex_state = 14},
-  [2] = {.lex_state = 21},
-  [3] = {.lex_state = 24},
-  [4] = {.lex_state = 25},
-  [5] = {.lex_state = 30},
-  [6] = {.lex_state = 14},
-  [7] = {.lex_state = 31},
-  [8] = {.lex_state = 33},
-  [9] = {.lex_state = 34},
-  [10] = {.lex_state = 14},
-  [11] = {.lex_state = 34},
-  [12] = {.lex_state = 34},
-  [13] = {.lex_state = 34},
-  [14] = {.lex_state = 21},
-  [15] = {.lex_state = 35},
-  [16] = {.lex_state = 39},
-  [17] = {.lex_state = 21},
-  [18] = {.lex_state = 24},
-  [19] = {.lex_state = 40},
-  [20] = {.lex_state = 40},
-  [21] = {.lex_state = 34},
-  [22] = {.lex_state = 34},
-  [23] = {.lex_state = 14},
-  [24] = {.lex_state = 14},
-  [25] = {.lex_state = 25},
-  [26] = {.lex_state = 34},
-  [27] = {.lex_state = 34},
-  [28] = {.lex_state = 34},
-  [29] = {.lex_state = 35},
-  [30] = {.lex_state = 35},
+  [1] = {.lex_state = 19},
+  [2] = {.lex_state = 26},
+  [3] = {.lex_state = 29},
+  [4] = {.lex_state = 30},
+  [5] = {.lex_state = 35},
+  [6] = {.lex_state = 19},
+  [7] = {.lex_state = 36},
+  [8] = {.lex_state = 38},
+  [9] = {.lex_state = 39},
+  [10] = {.lex_state = 19},
+  [11] = {.lex_state = 39},
+  [12] = {.lex_state = 39},
+  [13] = {.lex_state = 39},
+  [14] = {.lex_state = 26},
+  [15] = {.lex_state = 40},
+  [16] = {.lex_state = 44},
+  [17] = {.lex_state = 26},
+  [18] = {.lex_state = 29},
+  [19] = {.lex_state = 45},
+  [20] = {.lex_state = 45},
+  [21] = {.lex_state = 39},
+  [22] = {.lex_state = 39},
+  [23] = {.lex_state = 19},
+  [24] = {.lex_state = 19},
+  [25] = {.lex_state = 30},
+  [26] = {.lex_state = 39},
+  [27] = {.lex_state = 39},
+  [28] = {.lex_state = 39},
+  [29] = {.lex_state = 44},
+  [30] = {.lex_state = 46},
   [31] = {.lex_state = 40},
-  [32] = {.lex_state = 34},
+  [32] = {.lex_state = 40},
   [33] = {.lex_state = 40},
-  [34] = {.lex_state = 40},
-  [35] = {.lex_state = 21},
-  [36] = {.lex_state = 40},
-  [37] = {.lex_state = 33},
-  [38] = {.lex_state = 31},
-  [39] = {.lex_state = 33},
-  [40] = {.lex_state = 35},
-  [41] = {.lex_state = 40},
-  [42] = {.lex_state = 35},
+  [34] = {.lex_state = 45},
+  [35] = {.lex_state = 39},
+  [36] = {.lex_state = 45},
+  [37] = {.lex_state = 45},
+  [38] = {.lex_state = 26},
+  [39] = {.lex_state = 45},
+  [40] = {.lex_state = 38},
+  [41] = {.lex_state = 36},
+  [42] = {.lex_state = 38},
   [43] = {.lex_state = 40},
-  [44] = {.lex_state = 40},
+  [44] = {.lex_state = 45},
   [45] = {.lex_state = 40},
-  [46] = {.lex_state = 35},
+  [46] = {.lex_state = 47},
   [47] = {.lex_state = 40},
   [48] = {.lex_state = 40},
-  [49] = {.lex_state = 35},
-  [50] = {.lex_state = 21},
-  [51] = {.lex_state = 41},
-  [52] = {.lex_state = 14},
-  [53] = {.lex_state = 31},
-  [54] = {.lex_state = 33},
-  [55] = {.lex_state = 34},
-  [56] = {.lex_state = 41},
-  [57] = {.lex_state = 35},
+  [49] = {.lex_state = 45},
+  [50] = {.lex_state = 45},
+  [51] = {.lex_state = 45},
+  [52] = {.lex_state = 40},
+  [53] = {.lex_state = 45},
+  [54] = {.lex_state = 44},
+  [55] = {.lex_state = 40},
+  [56] = {.lex_state = 45},
+  [57] = {.lex_state = 48},
   [58] = {.lex_state = 40},
   [59] = {.lex_state = 40},
-  [60] = {.lex_state = 41},
-  [61] = {.lex_state = 41},
-  [62] = {.lex_state = 21},
-  [63] = {.lex_state = 40},
-  [64] = {.lex_state = 41},
-  [65] = {.lex_state = 41},
+  [60] = {.lex_state = 44},
+  [61] = {.lex_state = 40},
+  [62] = {.lex_state = 26},
+  [63] = {.lex_state = 49},
+  [64] = {.lex_state = 19},
+  [65] = {.lex_state = 36},
+  [66] = {.lex_state = 38},
+  [67] = {.lex_state = 39},
+  [68] = {.lex_state = 40},
+  [69] = {.lex_state = 49},
+  [70] = {.lex_state = 40},
+  [71] = {.lex_state = 45},
+  [72] = {.lex_state = 45},
+  [73] = {.lex_state = 52},
+  [74] = {.lex_state = 49},
+  [75] = {.lex_state = 49},
+  [76] = {.lex_state = 26},
+  [77] = {.lex_state = 45},
+  [78] = {.lex_state = 49},
+  [79] = {.lex_state = 49},
 };
 
 static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
   [0] = {
     [sym_program] = STATE(5),
-    [sym_command] = STATE(52),
-    [sym_simple_command] = STATE(53),
-    [sym_pipeline] = STATE(54),
+    [sym_command] = STATE(64),
+    [sym_simple_command] = STATE(65),
+    [sym_pipeline] = STATE(66),
     [sym_list] = STATE(8),
-    [sym_environment_variable_assignment] = STATE(55),
-    [sym_file_redirect] = STATE(56),
+    [sym_environment_variable_assignment] = STATE(67),
+    [sym_expansion] = STATE(68),
+    [sym_operator_expansion] = STATE(68),
+    [sym_file_redirect] = STATE(69),
     [aux_sym_program_repeat1] = STATE(10),
     [aux_sym_simple_command_repeat1] = STATE(11),
-    [aux_sym_simple_command_repeat2] = STATE(57),
-    [aux_sym_simple_command_repeat3] = STATE(58),
+    [aux_sym_simple_command_repeat2] = STATE(70),
+    [aux_sym_simple_command_repeat3] = STATE(71),
     [ts_builtin_sym_end] = ACTIONS(1),
     [aux_sym_SLASH_BSLASHs_PLUS_SLASH] = ACTIONS(3),
     [anon_sym_PIPE] = ACTIONS(5),
     [anon_sym_AMP_AMP] = ACTIONS(7),
     [anon_sym_SEMI] = ACTIONS(7),
     [anon_sym_EQ] = ACTIONS(9),
-    [anon_sym_LT] = ACTIONS(11),
-    [anon_sym_GT] = ACTIONS(11),
-    [anon_sym_LT_AMP] = ACTIONS(11),
-    [anon_sym_GT_AMP] = ACTIONS(11),
-    [sym_file_descriptor] = ACTIONS(13),
-    [anon_sym_SEMI_SEMI] = ACTIONS(15),
+    [anon_sym_DOLLAR] = ACTIONS(11),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(13),
+    [anon_sym_COLON] = ACTIONS(15),
+    [anon_sym_COLON_QMARK] = ACTIONS(15),
+    [anon_sym_RBRACE] = ACTIONS(17),
+    [anon_sym_LT] = ACTIONS(19),
+    [anon_sym_GT] = ACTIONS(19),
+    [anon_sym_LT_AMP] = ACTIONS(19),
+    [anon_sym_GT_AMP] = ACTIONS(19),
+    [sym_file_descriptor] = ACTIONS(21),
+    [anon_sym_SEMI_SEMI] = ACTIONS(23),
   },
   [1] = {
     [sym_program] = STATE(5),
@@ -851,74 +1046,74 @@ static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
     [sym_file_redirect] = STATE(9),
     [aux_sym_program_repeat1] = STATE(10),
     [aux_sym_simple_command_repeat1] = STATE(11),
-    [ts_builtin_sym_end] = ACTIONS(17),
-    [anon_sym_LT] = ACTIONS(19),
-    [anon_sym_GT] = ACTIONS(19),
-    [anon_sym_LT_AMP] = ACTIONS(19),
-    [anon_sym_GT_AMP] = ACTIONS(19),
-    [sym_file_descriptor] = ACTIONS(21),
-    [sym_leading_word] = ACTIONS(23),
+    [ts_builtin_sym_end] = ACTIONS(25),
+    [anon_sym_LT] = ACTIONS(27),
+    [anon_sym_GT] = ACTIONS(27),
+    [anon_sym_LT_AMP] = ACTIONS(27),
+    [anon_sym_GT_AMP] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(29),
+    [sym_leading_word] = ACTIONS(31),
   },
   [2] = {
-    [sym_file_descriptor] = ACTIONS(25),
-    [sym_word] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(33),
+    [sym_word] = ACTIONS(35),
   },
   [3] = {
-    [anon_sym_LT] = ACTIONS(29),
-    [anon_sym_GT] = ACTIONS(29),
-    [anon_sym_LT_AMP] = ACTIONS(31),
-    [anon_sym_GT_AMP] = ACTIONS(31),
+    [anon_sym_LT] = ACTIONS(37),
+    [anon_sym_GT] = ACTIONS(37),
+    [anon_sym_LT_AMP] = ACTIONS(39),
+    [anon_sym_GT_AMP] = ACTIONS(39),
   },
   [4] = {
     [sym_file_redirect] = STATE(19),
     [aux_sym_simple_command_repeat3] = STATE(20),
-    [aux_sym_SLASH_BSLASHs_PLUS_SLASH] = ACTIONS(33),
-    [anon_sym_PIPE] = ACTIONS(35),
-    [anon_sym_PIPE_AMP] = ACTIONS(35),
-    [anon_sym_AMP_AMP] = ACTIONS(35),
-    [anon_sym_SEMI] = ACTIONS(35),
-    [anon_sym_EQ] = ACTIONS(37),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(35),
-    [anon_sym_SEMI_SEMI] = ACTIONS(35),
-  },
-  [5] = {
-    [ts_builtin_sym_end] = ACTIONS(43),
-  },
-  [6] = {
-    [ts_builtin_sym_end] = ACTIONS(45),
+    [aux_sym_SLASH_BSLASHs_PLUS_SLASH] = ACTIONS(41),
+    [anon_sym_PIPE] = ACTIONS(43),
+    [anon_sym_PIPE_AMP] = ACTIONS(43),
+    [anon_sym_AMP_AMP] = ACTIONS(43),
+    [anon_sym_SEMI] = ACTIONS(43),
+    [anon_sym_EQ] = ACTIONS(45),
     [anon_sym_LT] = ACTIONS(47),
     [anon_sym_GT] = ACTIONS(47),
     [anon_sym_LT_AMP] = ACTIONS(47),
     [anon_sym_GT_AMP] = ACTIONS(47),
-    [sym_file_descriptor] = ACTIONS(47),
-    [sym_leading_word] = ACTIONS(49),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(43),
+    [anon_sym_SEMI_SEMI] = ACTIONS(43),
+  },
+  [5] = {
+    [ts_builtin_sym_end] = ACTIONS(51),
+  },
+  [6] = {
+    [ts_builtin_sym_end] = ACTIONS(53),
+    [anon_sym_LT] = ACTIONS(55),
+    [anon_sym_GT] = ACTIONS(55),
+    [anon_sym_LT_AMP] = ACTIONS(55),
+    [anon_sym_GT_AMP] = ACTIONS(55),
+    [sym_file_descriptor] = ACTIONS(55),
+    [sym_leading_word] = ACTIONS(57),
   },
   [7] = {
-    [anon_sym_PIPE] = ACTIONS(51),
-    [anon_sym_PIPE_AMP] = ACTIONS(51),
-    [anon_sym_AMP_AMP] = ACTIONS(53),
-    [anon_sym_SEMI] = ACTIONS(53),
-    [anon_sym_LF] = ACTIONS(55),
-    [anon_sym_SEMI_SEMI] = ACTIONS(55),
+    [anon_sym_PIPE] = ACTIONS(59),
+    [anon_sym_PIPE_AMP] = ACTIONS(59),
+    [anon_sym_AMP_AMP] = ACTIONS(61),
+    [anon_sym_SEMI] = ACTIONS(61),
+    [anon_sym_LF] = ACTIONS(63),
+    [anon_sym_SEMI_SEMI] = ACTIONS(63),
   },
   [8] = {
-    [anon_sym_AMP_AMP] = ACTIONS(53),
-    [anon_sym_SEMI] = ACTIONS(53),
-    [anon_sym_LF] = ACTIONS(55),
-    [anon_sym_SEMI_SEMI] = ACTIONS(55),
+    [anon_sym_AMP_AMP] = ACTIONS(61),
+    [anon_sym_SEMI] = ACTIONS(61),
+    [anon_sym_LF] = ACTIONS(63),
+    [anon_sym_SEMI_SEMI] = ACTIONS(63),
   },
   [9] = {
-    [anon_sym_LT] = ACTIONS(57),
-    [anon_sym_GT] = ACTIONS(57),
-    [anon_sym_LT_AMP] = ACTIONS(57),
-    [anon_sym_GT_AMP] = ACTIONS(57),
-    [sym_file_descriptor] = ACTIONS(57),
-    [sym_leading_word] = ACTIONS(59),
+    [anon_sym_LT] = ACTIONS(65),
+    [anon_sym_GT] = ACTIONS(65),
+    [anon_sym_LT_AMP] = ACTIONS(65),
+    [anon_sym_GT_AMP] = ACTIONS(65),
+    [sym_file_descriptor] = ACTIONS(65),
+    [sym_leading_word] = ACTIONS(67),
   },
   [10] = {
     [sym_command] = STATE(24),
@@ -928,170 +1123,141 @@ static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
     [sym_environment_variable_assignment] = STATE(9),
     [sym_file_redirect] = STATE(9),
     [aux_sym_simple_command_repeat1] = STATE(11),
-    [ts_builtin_sym_end] = ACTIONS(61),
-    [anon_sym_LT] = ACTIONS(19),
-    [anon_sym_GT] = ACTIONS(19),
-    [anon_sym_LT_AMP] = ACTIONS(19),
-    [anon_sym_GT_AMP] = ACTIONS(19),
-    [sym_file_descriptor] = ACTIONS(21),
-    [sym_leading_word] = ACTIONS(23),
+    [ts_builtin_sym_end] = ACTIONS(69),
+    [anon_sym_LT] = ACTIONS(27),
+    [anon_sym_GT] = ACTIONS(27),
+    [anon_sym_LT_AMP] = ACTIONS(27),
+    [anon_sym_GT_AMP] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(29),
+    [sym_leading_word] = ACTIONS(31),
   },
   [11] = {
     [sym_environment_variable_assignment] = STATE(26),
     [sym_file_redirect] = STATE(26),
-    [anon_sym_LT] = ACTIONS(19),
-    [anon_sym_GT] = ACTIONS(19),
-    [anon_sym_LT_AMP] = ACTIONS(19),
-    [anon_sym_GT_AMP] = ACTIONS(19),
-    [sym_file_descriptor] = ACTIONS(21),
-    [sym_leading_word] = ACTIONS(63),
-  },
-  [12] = {
-    [anon_sym_LT] = ACTIONS(65),
-    [anon_sym_GT] = ACTIONS(65),
-    [anon_sym_LT_AMP] = ACTIONS(65),
-    [anon_sym_GT_AMP] = ACTIONS(65),
-    [sym_file_descriptor] = ACTIONS(65),
-    [sym_leading_word] = ACTIONS(67),
-  },
-  [13] = {
-    [anon_sym_LT] = ACTIONS(69),
-    [anon_sym_GT] = ACTIONS(69),
-    [anon_sym_LT_AMP] = ACTIONS(69),
-    [anon_sym_GT_AMP] = ACTIONS(69),
-    [sym_file_descriptor] = ACTIONS(69),
+    [anon_sym_LT] = ACTIONS(27),
+    [anon_sym_GT] = ACTIONS(27),
+    [anon_sym_LT_AMP] = ACTIONS(27),
+    [anon_sym_GT_AMP] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(29),
     [sym_leading_word] = ACTIONS(71),
   },
-  [14] = {
+  [12] = {
+    [anon_sym_LT] = ACTIONS(73),
+    [anon_sym_GT] = ACTIONS(73),
+    [anon_sym_LT_AMP] = ACTIONS(73),
+    [anon_sym_GT_AMP] = ACTIONS(73),
     [sym_file_descriptor] = ACTIONS(73),
-    [sym_word] = ACTIONS(75),
+    [sym_leading_word] = ACTIONS(75),
+  },
+  [13] = {
+    [anon_sym_LT] = ACTIONS(77),
+    [anon_sym_GT] = ACTIONS(77),
+    [anon_sym_LT_AMP] = ACTIONS(77),
+    [anon_sym_GT_AMP] = ACTIONS(77),
+    [sym_file_descriptor] = ACTIONS(77),
+    [sym_leading_word] = ACTIONS(79),
+  },
+  [14] = {
+    [sym_file_descriptor] = ACTIONS(81),
+    [sym_word] = ACTIONS(83),
   },
   [15] = {
+    [sym_expansion] = STATE(32),
+    [sym_operator_expansion] = STATE(32),
     [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat2] = STATE(30),
-    [aux_sym_simple_command_repeat3] = STATE(31),
-    [anon_sym_PIPE] = ACTIONS(77),
-    [anon_sym_PIPE_AMP] = ACTIONS(77),
-    [anon_sym_AMP_AMP] = ACTIONS(77),
-    [anon_sym_SEMI] = ACTIONS(77),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(79),
-    [anon_sym_LF] = ACTIONS(77),
-    [anon_sym_SEMI_SEMI] = ACTIONS(77),
+    [aux_sym_simple_command_repeat2] = STATE(33),
+    [aux_sym_simple_command_repeat3] = STATE(34),
+    [anon_sym_PIPE] = ACTIONS(85),
+    [anon_sym_PIPE_AMP] = ACTIONS(85),
+    [anon_sym_AMP_AMP] = ACTIONS(85),
+    [anon_sym_SEMI] = ACTIONS(85),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(91),
+    [anon_sym_LF] = ACTIONS(85),
+    [anon_sym_SEMI_SEMI] = ACTIONS(85),
   },
   [16] = {
-    [sym_word] = ACTIONS(81),
+    [sym_word] = ACTIONS(93),
   },
   [17] = {
-    [sym_file_descriptor] = ACTIONS(83),
-    [sym_word] = ACTIONS(85),
+    [sym_file_descriptor] = ACTIONS(95),
+    [sym_word] = ACTIONS(97),
   },
   [18] = {
-    [anon_sym_LT] = ACTIONS(87),
-    [anon_sym_GT] = ACTIONS(87),
-    [anon_sym_LT_AMP] = ACTIONS(89),
-    [anon_sym_GT_AMP] = ACTIONS(89),
-  },
-  [19] = {
-    [anon_sym_PIPE] = ACTIONS(91),
-    [anon_sym_PIPE_AMP] = ACTIONS(91),
-    [anon_sym_AMP_AMP] = ACTIONS(91),
-    [anon_sym_SEMI] = ACTIONS(91),
-    [anon_sym_LT] = ACTIONS(91),
-    [anon_sym_GT] = ACTIONS(91),
-    [anon_sym_LT_AMP] = ACTIONS(91),
-    [anon_sym_GT_AMP] = ACTIONS(91),
-    [sym_file_descriptor] = ACTIONS(91),
-    [anon_sym_LF] = ACTIONS(91),
-    [anon_sym_SEMI_SEMI] = ACTIONS(91),
-  },
-  [20] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(77),
-    [anon_sym_PIPE_AMP] = ACTIONS(77),
-    [anon_sym_AMP_AMP] = ACTIONS(77),
-    [anon_sym_SEMI] = ACTIONS(77),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(77),
-    [anon_sym_SEMI_SEMI] = ACTIONS(77),
-  },
-  [21] = {
-    [sym_simple_command] = STATE(37),
-    [sym_environment_variable_assignment] = STATE(9),
-    [sym_file_redirect] = STATE(9),
-    [aux_sym_simple_command_repeat1] = STATE(11),
-    [anon_sym_LT] = ACTIONS(19),
-    [anon_sym_GT] = ACTIONS(19),
-    [anon_sym_LT_AMP] = ACTIONS(19),
-    [anon_sym_GT_AMP] = ACTIONS(19),
-    [sym_file_descriptor] = ACTIONS(21),
-    [sym_leading_word] = ACTIONS(23),
-  },
-  [22] = {
-    [sym_simple_command] = STATE(38),
-    [sym_pipeline] = STATE(39),
-    [sym_environment_variable_assignment] = STATE(9),
-    [sym_file_redirect] = STATE(9),
-    [aux_sym_simple_command_repeat1] = STATE(11),
-    [anon_sym_LT] = ACTIONS(19),
-    [anon_sym_GT] = ACTIONS(19),
-    [anon_sym_LT_AMP] = ACTIONS(19),
-    [anon_sym_GT_AMP] = ACTIONS(19),
-    [sym_file_descriptor] = ACTIONS(21),
-    [sym_leading_word] = ACTIONS(23),
-  },
-  [23] = {
-    [ts_builtin_sym_end] = ACTIONS(93),
-    [anon_sym_LT] = ACTIONS(95),
-    [anon_sym_GT] = ACTIONS(95),
-    [anon_sym_LT_AMP] = ACTIONS(95),
-    [anon_sym_GT_AMP] = ACTIONS(95),
-    [sym_file_descriptor] = ACTIONS(95),
-    [sym_leading_word] = ACTIONS(97),
-  },
-  [24] = {
-    [ts_builtin_sym_end] = ACTIONS(99),
-    [anon_sym_LT] = ACTIONS(101),
-    [anon_sym_GT] = ACTIONS(101),
+    [anon_sym_LT] = ACTIONS(99),
+    [anon_sym_GT] = ACTIONS(99),
     [anon_sym_LT_AMP] = ACTIONS(101),
     [anon_sym_GT_AMP] = ACTIONS(101),
-    [sym_file_descriptor] = ACTIONS(101),
-    [sym_leading_word] = ACTIONS(103),
   },
-  [25] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat3] = STATE(41),
-    [aux_sym_SLASH_BSLASHs_PLUS_SLASH] = ACTIONS(105),
-    [anon_sym_PIPE] = ACTIONS(107),
-    [anon_sym_PIPE_AMP] = ACTIONS(107),
-    [anon_sym_AMP_AMP] = ACTIONS(107),
-    [anon_sym_SEMI] = ACTIONS(107),
-    [anon_sym_EQ] = ACTIONS(37),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(107),
-    [anon_sym_SEMI_SEMI] = ACTIONS(107),
+  [19] = {
+    [anon_sym_PIPE] = ACTIONS(103),
+    [anon_sym_PIPE_AMP] = ACTIONS(103),
+    [anon_sym_AMP_AMP] = ACTIONS(103),
+    [anon_sym_SEMI] = ACTIONS(103),
+    [anon_sym_LT] = ACTIONS(103),
+    [anon_sym_GT] = ACTIONS(103),
+    [anon_sym_LT_AMP] = ACTIONS(103),
+    [anon_sym_GT_AMP] = ACTIONS(103),
+    [sym_file_descriptor] = ACTIONS(103),
+    [anon_sym_LF] = ACTIONS(103),
+    [anon_sym_SEMI_SEMI] = ACTIONS(103),
   },
-  [26] = {
-    [anon_sym_LT] = ACTIONS(109),
-    [anon_sym_GT] = ACTIONS(109),
-    [anon_sym_LT_AMP] = ACTIONS(109),
-    [anon_sym_GT_AMP] = ACTIONS(109),
-    [sym_file_descriptor] = ACTIONS(109),
-    [sym_leading_word] = ACTIONS(111),
+  [20] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(85),
+    [anon_sym_PIPE_AMP] = ACTIONS(85),
+    [anon_sym_AMP_AMP] = ACTIONS(85),
+    [anon_sym_SEMI] = ACTIONS(85),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(85),
+    [anon_sym_SEMI_SEMI] = ACTIONS(85),
   },
-  [27] = {
+  [21] = {
+    [sym_simple_command] = STATE(40),
+    [sym_environment_variable_assignment] = STATE(9),
+    [sym_file_redirect] = STATE(9),
+    [aux_sym_simple_command_repeat1] = STATE(11),
+    [anon_sym_LT] = ACTIONS(27),
+    [anon_sym_GT] = ACTIONS(27),
+    [anon_sym_LT_AMP] = ACTIONS(27),
+    [anon_sym_GT_AMP] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(29),
+    [sym_leading_word] = ACTIONS(31),
+  },
+  [22] = {
+    [sym_simple_command] = STATE(41),
+    [sym_pipeline] = STATE(42),
+    [sym_environment_variable_assignment] = STATE(9),
+    [sym_file_redirect] = STATE(9),
+    [aux_sym_simple_command_repeat1] = STATE(11),
+    [anon_sym_LT] = ACTIONS(27),
+    [anon_sym_GT] = ACTIONS(27),
+    [anon_sym_LT_AMP] = ACTIONS(27),
+    [anon_sym_GT_AMP] = ACTIONS(27),
+    [sym_file_descriptor] = ACTIONS(29),
+    [sym_leading_word] = ACTIONS(31),
+  },
+  [23] = {
+    [ts_builtin_sym_end] = ACTIONS(105),
+    [anon_sym_LT] = ACTIONS(107),
+    [anon_sym_GT] = ACTIONS(107),
+    [anon_sym_LT_AMP] = ACTIONS(107),
+    [anon_sym_GT_AMP] = ACTIONS(107),
+    [sym_file_descriptor] = ACTIONS(107),
+    [sym_leading_word] = ACTIONS(109),
+  },
+  [24] = {
+    [ts_builtin_sym_end] = ACTIONS(111),
     [anon_sym_LT] = ACTIONS(113),
     [anon_sym_GT] = ACTIONS(113),
     [anon_sym_LT_AMP] = ACTIONS(113),
@@ -1099,557 +1265,777 @@ static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
     [sym_file_descriptor] = ACTIONS(113),
     [sym_leading_word] = ACTIONS(115),
   },
-  [28] = {
-    [anon_sym_LT] = ACTIONS(117),
-    [anon_sym_GT] = ACTIONS(117),
-    [anon_sym_LT_AMP] = ACTIONS(117),
-    [anon_sym_GT_AMP] = ACTIONS(117),
-    [sym_file_descriptor] = ACTIONS(117),
-    [sym_leading_word] = ACTIONS(119),
+  [25] = {
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat3] = STATE(44),
+    [aux_sym_SLASH_BSLASHs_PLUS_SLASH] = ACTIONS(117),
+    [anon_sym_PIPE] = ACTIONS(119),
+    [anon_sym_PIPE_AMP] = ACTIONS(119),
+    [anon_sym_AMP_AMP] = ACTIONS(119),
+    [anon_sym_SEMI] = ACTIONS(119),
+    [anon_sym_EQ] = ACTIONS(45),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(119),
+    [anon_sym_SEMI_SEMI] = ACTIONS(119),
   },
-  [29] = {
-    [anon_sym_PIPE] = ACTIONS(121),
-    [anon_sym_PIPE_AMP] = ACTIONS(121),
-    [anon_sym_AMP_AMP] = ACTIONS(121),
-    [anon_sym_SEMI] = ACTIONS(121),
+  [26] = {
     [anon_sym_LT] = ACTIONS(121),
     [anon_sym_GT] = ACTIONS(121),
     [anon_sym_LT_AMP] = ACTIONS(121),
     [anon_sym_GT_AMP] = ACTIONS(121),
     [sym_file_descriptor] = ACTIONS(121),
-    [sym_word] = ACTIONS(121),
-    [anon_sym_LF] = ACTIONS(121),
-    [anon_sym_SEMI_SEMI] = ACTIONS(121),
+    [sym_leading_word] = ACTIONS(123),
+  },
+  [27] = {
+    [anon_sym_LT] = ACTIONS(125),
+    [anon_sym_GT] = ACTIONS(125),
+    [anon_sym_LT_AMP] = ACTIONS(125),
+    [anon_sym_GT_AMP] = ACTIONS(125),
+    [sym_file_descriptor] = ACTIONS(125),
+    [sym_leading_word] = ACTIONS(127),
+  },
+  [28] = {
+    [anon_sym_LT] = ACTIONS(129),
+    [anon_sym_GT] = ACTIONS(129),
+    [anon_sym_LT_AMP] = ACTIONS(129),
+    [anon_sym_GT_AMP] = ACTIONS(129),
+    [sym_file_descriptor] = ACTIONS(129),
+    [sym_leading_word] = ACTIONS(131),
+  },
+  [29] = {
+    [sym_word] = ACTIONS(133),
   },
   [30] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat3] = STATE(43),
-    [anon_sym_PIPE] = ACTIONS(123),
-    [anon_sym_PIPE_AMP] = ACTIONS(123),
-    [anon_sym_AMP_AMP] = ACTIONS(123),
-    [anon_sym_SEMI] = ACTIONS(123),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(125),
-    [anon_sym_LF] = ACTIONS(123),
-    [anon_sym_SEMI_SEMI] = ACTIONS(123),
+    [sym_leading_word] = ACTIONS(135),
   },
   [31] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(123),
-    [anon_sym_PIPE_AMP] = ACTIONS(123),
-    [anon_sym_AMP_AMP] = ACTIONS(123),
-    [anon_sym_SEMI] = ACTIONS(123),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(123),
-    [anon_sym_SEMI_SEMI] = ACTIONS(123),
+    [anon_sym_PIPE] = ACTIONS(137),
+    [anon_sym_PIPE_AMP] = ACTIONS(137),
+    [anon_sym_AMP_AMP] = ACTIONS(137),
+    [anon_sym_SEMI] = ACTIONS(137),
+    [anon_sym_DOLLAR] = ACTIONS(137),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(137),
+    [anon_sym_LT] = ACTIONS(137),
+    [anon_sym_GT] = ACTIONS(137),
+    [anon_sym_LT_AMP] = ACTIONS(137),
+    [anon_sym_GT_AMP] = ACTIONS(137),
+    [sym_file_descriptor] = ACTIONS(137),
+    [sym_word] = ACTIONS(137),
+    [anon_sym_LF] = ACTIONS(137),
+    [anon_sym_SEMI_SEMI] = ACTIONS(137),
   },
   [32] = {
+    [anon_sym_PIPE] = ACTIONS(139),
+    [anon_sym_PIPE_AMP] = ACTIONS(139),
+    [anon_sym_AMP_AMP] = ACTIONS(139),
+    [anon_sym_SEMI] = ACTIONS(139),
+    [anon_sym_DOLLAR] = ACTIONS(139),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(139),
+    [anon_sym_LT] = ACTIONS(139),
+    [anon_sym_GT] = ACTIONS(139),
+    [anon_sym_LT_AMP] = ACTIONS(139),
+    [anon_sym_GT_AMP] = ACTIONS(139),
+    [sym_file_descriptor] = ACTIONS(139),
+    [sym_word] = ACTIONS(139),
+    [anon_sym_LF] = ACTIONS(139),
+    [anon_sym_SEMI_SEMI] = ACTIONS(139),
+  },
+  [33] = {
+    [sym_expansion] = STATE(48),
+    [sym_operator_expansion] = STATE(48),
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat3] = STATE(49),
+    [anon_sym_PIPE] = ACTIONS(141),
+    [anon_sym_PIPE_AMP] = ACTIONS(141),
+    [anon_sym_AMP_AMP] = ACTIONS(141),
+    [anon_sym_SEMI] = ACTIONS(141),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(143),
+    [anon_sym_LF] = ACTIONS(141),
+    [anon_sym_SEMI_SEMI] = ACTIONS(141),
+  },
+  [34] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(141),
+    [anon_sym_PIPE_AMP] = ACTIONS(141),
+    [anon_sym_AMP_AMP] = ACTIONS(141),
+    [anon_sym_SEMI] = ACTIONS(141),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(141),
+    [anon_sym_SEMI_SEMI] = ACTIONS(141),
+  },
+  [35] = {
+    [anon_sym_LT] = ACTIONS(145),
+    [anon_sym_GT] = ACTIONS(145),
+    [anon_sym_LT_AMP] = ACTIONS(145),
+    [anon_sym_GT_AMP] = ACTIONS(145),
+    [sym_file_descriptor] = ACTIONS(145),
+    [sym_leading_word] = ACTIONS(147),
+  },
+  [36] = {
+    [anon_sym_PIPE] = ACTIONS(75),
+    [anon_sym_PIPE_AMP] = ACTIONS(75),
+    [anon_sym_AMP_AMP] = ACTIONS(75),
+    [anon_sym_SEMI] = ACTIONS(75),
+    [anon_sym_LT] = ACTIONS(75),
+    [anon_sym_GT] = ACTIONS(75),
+    [anon_sym_LT_AMP] = ACTIONS(75),
+    [anon_sym_GT_AMP] = ACTIONS(75),
+    [sym_file_descriptor] = ACTIONS(75),
+    [anon_sym_LF] = ACTIONS(75),
+    [anon_sym_SEMI_SEMI] = ACTIONS(75),
+  },
+  [37] = {
+    [anon_sym_PIPE] = ACTIONS(79),
+    [anon_sym_PIPE_AMP] = ACTIONS(79),
+    [anon_sym_AMP_AMP] = ACTIONS(79),
+    [anon_sym_SEMI] = ACTIONS(79),
+    [anon_sym_LT] = ACTIONS(79),
+    [anon_sym_GT] = ACTIONS(79),
+    [anon_sym_LT_AMP] = ACTIONS(79),
+    [anon_sym_GT_AMP] = ACTIONS(79),
+    [sym_file_descriptor] = ACTIONS(79),
+    [anon_sym_LF] = ACTIONS(79),
+    [anon_sym_SEMI_SEMI] = ACTIONS(79),
+  },
+  [38] = {
+    [sym_file_descriptor] = ACTIONS(149),
+    [sym_word] = ACTIONS(151),
+  },
+  [39] = {
+    [anon_sym_PIPE] = ACTIONS(153),
+    [anon_sym_PIPE_AMP] = ACTIONS(153),
+    [anon_sym_AMP_AMP] = ACTIONS(153),
+    [anon_sym_SEMI] = ACTIONS(153),
+    [anon_sym_LT] = ACTIONS(153),
+    [anon_sym_GT] = ACTIONS(153),
+    [anon_sym_LT_AMP] = ACTIONS(153),
+    [anon_sym_GT_AMP] = ACTIONS(153),
+    [sym_file_descriptor] = ACTIONS(153),
+    [anon_sym_LF] = ACTIONS(153),
+    [anon_sym_SEMI_SEMI] = ACTIONS(153),
+  },
+  [40] = {
+    [anon_sym_AMP_AMP] = ACTIONS(155),
+    [anon_sym_SEMI] = ACTIONS(155),
+    [anon_sym_LF] = ACTIONS(155),
+    [anon_sym_SEMI_SEMI] = ACTIONS(155),
+  },
+  [41] = {
+    [anon_sym_PIPE] = ACTIONS(59),
+    [anon_sym_PIPE_AMP] = ACTIONS(59),
+    [anon_sym_AMP_AMP] = ACTIONS(157),
+    [anon_sym_SEMI] = ACTIONS(157),
+    [anon_sym_LF] = ACTIONS(157),
+    [anon_sym_SEMI_SEMI] = ACTIONS(157),
+  },
+  [42] = {
+    [anon_sym_AMP_AMP] = ACTIONS(157),
+    [anon_sym_SEMI] = ACTIONS(157),
+    [anon_sym_LF] = ACTIONS(157),
+    [anon_sym_SEMI_SEMI] = ACTIONS(157),
+  },
+  [43] = {
+    [sym_expansion] = STATE(32),
+    [sym_operator_expansion] = STATE(32),
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat2] = STATE(52),
+    [aux_sym_simple_command_repeat3] = STATE(53),
+    [anon_sym_PIPE] = ACTIONS(159),
+    [anon_sym_PIPE_AMP] = ACTIONS(159),
+    [anon_sym_AMP_AMP] = ACTIONS(159),
+    [anon_sym_SEMI] = ACTIONS(159),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(91),
+    [anon_sym_LF] = ACTIONS(159),
+    [anon_sym_SEMI_SEMI] = ACTIONS(159),
+  },
+  [44] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(159),
+    [anon_sym_PIPE_AMP] = ACTIONS(159),
+    [anon_sym_AMP_AMP] = ACTIONS(159),
+    [anon_sym_SEMI] = ACTIONS(159),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(159),
+    [anon_sym_SEMI_SEMI] = ACTIONS(159),
+  },
+  [45] = {
+    [anon_sym_PIPE] = ACTIONS(161),
+    [anon_sym_PIPE_AMP] = ACTIONS(161),
+    [anon_sym_AMP_AMP] = ACTIONS(161),
+    [anon_sym_SEMI] = ACTIONS(161),
+    [anon_sym_DOLLAR] = ACTIONS(161),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(161),
+    [anon_sym_LT] = ACTIONS(161),
+    [anon_sym_GT] = ACTIONS(161),
+    [anon_sym_LT_AMP] = ACTIONS(161),
+    [anon_sym_GT_AMP] = ACTIONS(161),
+    [sym_file_descriptor] = ACTIONS(161),
+    [sym_word] = ACTIONS(161),
+    [anon_sym_LF] = ACTIONS(161),
+    [anon_sym_SEMI_SEMI] = ACTIONS(161),
+  },
+  [46] = {
+    [anon_sym_EQ] = ACTIONS(163),
+    [anon_sym_COLON] = ACTIONS(165),
+    [anon_sym_COLON_QMARK] = ACTIONS(163),
+    [anon_sym_RBRACE] = ACTIONS(167),
+  },
+  [47] = {
+    [anon_sym_PIPE] = ACTIONS(169),
+    [anon_sym_PIPE_AMP] = ACTIONS(169),
+    [anon_sym_AMP_AMP] = ACTIONS(169),
+    [anon_sym_SEMI] = ACTIONS(169),
+    [anon_sym_DOLLAR] = ACTIONS(169),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(169),
+    [anon_sym_LT] = ACTIONS(169),
+    [anon_sym_GT] = ACTIONS(169),
+    [anon_sym_LT_AMP] = ACTIONS(169),
+    [anon_sym_GT_AMP] = ACTIONS(169),
+    [sym_file_descriptor] = ACTIONS(169),
+    [sym_word] = ACTIONS(169),
+    [anon_sym_LF] = ACTIONS(169),
+    [anon_sym_SEMI_SEMI] = ACTIONS(169),
+  },
+  [48] = {
+    [anon_sym_PIPE] = ACTIONS(171),
+    [anon_sym_PIPE_AMP] = ACTIONS(171),
+    [anon_sym_AMP_AMP] = ACTIONS(171),
+    [anon_sym_SEMI] = ACTIONS(171),
+    [anon_sym_DOLLAR] = ACTIONS(171),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(171),
+    [anon_sym_LT] = ACTIONS(171),
+    [anon_sym_GT] = ACTIONS(171),
+    [anon_sym_LT_AMP] = ACTIONS(171),
+    [anon_sym_GT_AMP] = ACTIONS(171),
+    [sym_file_descriptor] = ACTIONS(171),
+    [sym_word] = ACTIONS(171),
+    [anon_sym_LF] = ACTIONS(171),
+    [anon_sym_SEMI_SEMI] = ACTIONS(171),
+  },
+  [49] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(173),
+    [anon_sym_PIPE_AMP] = ACTIONS(173),
+    [anon_sym_AMP_AMP] = ACTIONS(173),
+    [anon_sym_SEMI] = ACTIONS(173),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(173),
+    [anon_sym_SEMI_SEMI] = ACTIONS(173),
+  },
+  [50] = {
+    [anon_sym_PIPE] = ACTIONS(127),
+    [anon_sym_PIPE_AMP] = ACTIONS(127),
+    [anon_sym_AMP_AMP] = ACTIONS(127),
+    [anon_sym_SEMI] = ACTIONS(127),
     [anon_sym_LT] = ACTIONS(127),
     [anon_sym_GT] = ACTIONS(127),
     [anon_sym_LT_AMP] = ACTIONS(127),
     [anon_sym_GT_AMP] = ACTIONS(127),
     [sym_file_descriptor] = ACTIONS(127),
-    [sym_leading_word] = ACTIONS(129),
-  },
-  [33] = {
-    [anon_sym_PIPE] = ACTIONS(67),
-    [anon_sym_PIPE_AMP] = ACTIONS(67),
-    [anon_sym_AMP_AMP] = ACTIONS(67),
-    [anon_sym_SEMI] = ACTIONS(67),
-    [anon_sym_LT] = ACTIONS(67),
-    [anon_sym_GT] = ACTIONS(67),
-    [anon_sym_LT_AMP] = ACTIONS(67),
-    [anon_sym_GT_AMP] = ACTIONS(67),
-    [sym_file_descriptor] = ACTIONS(67),
-    [anon_sym_LF] = ACTIONS(67),
-    [anon_sym_SEMI_SEMI] = ACTIONS(67),
-  },
-  [34] = {
-    [anon_sym_PIPE] = ACTIONS(71),
-    [anon_sym_PIPE_AMP] = ACTIONS(71),
-    [anon_sym_AMP_AMP] = ACTIONS(71),
-    [anon_sym_SEMI] = ACTIONS(71),
-    [anon_sym_LT] = ACTIONS(71),
-    [anon_sym_GT] = ACTIONS(71),
-    [anon_sym_LT_AMP] = ACTIONS(71),
-    [anon_sym_GT_AMP] = ACTIONS(71),
-    [sym_file_descriptor] = ACTIONS(71),
-    [anon_sym_LF] = ACTIONS(71),
-    [anon_sym_SEMI_SEMI] = ACTIONS(71),
-  },
-  [35] = {
-    [sym_file_descriptor] = ACTIONS(131),
-    [sym_word] = ACTIONS(133),
-  },
-  [36] = {
-    [anon_sym_PIPE] = ACTIONS(135),
-    [anon_sym_PIPE_AMP] = ACTIONS(135),
-    [anon_sym_AMP_AMP] = ACTIONS(135),
-    [anon_sym_SEMI] = ACTIONS(135),
-    [anon_sym_LT] = ACTIONS(135),
-    [anon_sym_GT] = ACTIONS(135),
-    [anon_sym_LT_AMP] = ACTIONS(135),
-    [anon_sym_GT_AMP] = ACTIONS(135),
-    [sym_file_descriptor] = ACTIONS(135),
-    [anon_sym_LF] = ACTIONS(135),
-    [anon_sym_SEMI_SEMI] = ACTIONS(135),
-  },
-  [37] = {
-    [anon_sym_AMP_AMP] = ACTIONS(137),
-    [anon_sym_SEMI] = ACTIONS(137),
-    [anon_sym_LF] = ACTIONS(137),
-    [anon_sym_SEMI_SEMI] = ACTIONS(137),
-  },
-  [38] = {
-    [anon_sym_PIPE] = ACTIONS(51),
-    [anon_sym_PIPE_AMP] = ACTIONS(51),
-    [anon_sym_AMP_AMP] = ACTIONS(139),
-    [anon_sym_SEMI] = ACTIONS(139),
-    [anon_sym_LF] = ACTIONS(139),
-    [anon_sym_SEMI_SEMI] = ACTIONS(139),
-  },
-  [39] = {
-    [anon_sym_AMP_AMP] = ACTIONS(139),
-    [anon_sym_SEMI] = ACTIONS(139),
-    [anon_sym_LF] = ACTIONS(139),
-    [anon_sym_SEMI_SEMI] = ACTIONS(139),
-  },
-  [40] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat2] = STATE(46),
-    [aux_sym_simple_command_repeat3] = STATE(47),
-    [anon_sym_PIPE] = ACTIONS(141),
-    [anon_sym_PIPE_AMP] = ACTIONS(141),
-    [anon_sym_AMP_AMP] = ACTIONS(141),
-    [anon_sym_SEMI] = ACTIONS(141),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(79),
-    [anon_sym_LF] = ACTIONS(141),
-    [anon_sym_SEMI_SEMI] = ACTIONS(141),
-  },
-  [41] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(141),
-    [anon_sym_PIPE_AMP] = ACTIONS(141),
-    [anon_sym_AMP_AMP] = ACTIONS(141),
-    [anon_sym_SEMI] = ACTIONS(141),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(141),
-    [anon_sym_SEMI_SEMI] = ACTIONS(141),
-  },
-  [42] = {
-    [anon_sym_PIPE] = ACTIONS(143),
-    [anon_sym_PIPE_AMP] = ACTIONS(143),
-    [anon_sym_AMP_AMP] = ACTIONS(143),
-    [anon_sym_SEMI] = ACTIONS(143),
-    [anon_sym_LT] = ACTIONS(143),
-    [anon_sym_GT] = ACTIONS(143),
-    [anon_sym_LT_AMP] = ACTIONS(143),
-    [anon_sym_GT_AMP] = ACTIONS(143),
-    [sym_file_descriptor] = ACTIONS(143),
-    [sym_word] = ACTIONS(143),
-    [anon_sym_LF] = ACTIONS(143),
-    [anon_sym_SEMI_SEMI] = ACTIONS(143),
-  },
-  [43] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(145),
-    [anon_sym_PIPE_AMP] = ACTIONS(145),
-    [anon_sym_AMP_AMP] = ACTIONS(145),
-    [anon_sym_SEMI] = ACTIONS(145),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(145),
-    [anon_sym_SEMI_SEMI] = ACTIONS(145),
-  },
-  [44] = {
-    [anon_sym_PIPE] = ACTIONS(115),
-    [anon_sym_PIPE_AMP] = ACTIONS(115),
-    [anon_sym_AMP_AMP] = ACTIONS(115),
-    [anon_sym_SEMI] = ACTIONS(115),
-    [anon_sym_LT] = ACTIONS(115),
-    [anon_sym_GT] = ACTIONS(115),
-    [anon_sym_LT_AMP] = ACTIONS(115),
-    [anon_sym_GT_AMP] = ACTIONS(115),
-    [sym_file_descriptor] = ACTIONS(115),
-    [anon_sym_LF] = ACTIONS(115),
-    [anon_sym_SEMI_SEMI] = ACTIONS(115),
-  },
-  [45] = {
-    [anon_sym_PIPE] = ACTIONS(119),
-    [anon_sym_PIPE_AMP] = ACTIONS(119),
-    [anon_sym_AMP_AMP] = ACTIONS(119),
-    [anon_sym_SEMI] = ACTIONS(119),
-    [anon_sym_LT] = ACTIONS(119),
-    [anon_sym_GT] = ACTIONS(119),
-    [anon_sym_LT_AMP] = ACTIONS(119),
-    [anon_sym_GT_AMP] = ACTIONS(119),
-    [sym_file_descriptor] = ACTIONS(119),
-    [anon_sym_LF] = ACTIONS(119),
-    [anon_sym_SEMI_SEMI] = ACTIONS(119),
-  },
-  [46] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat3] = STATE(48),
-    [anon_sym_PIPE] = ACTIONS(147),
-    [anon_sym_PIPE_AMP] = ACTIONS(147),
-    [anon_sym_AMP_AMP] = ACTIONS(147),
-    [anon_sym_SEMI] = ACTIONS(147),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(125),
-    [anon_sym_LF] = ACTIONS(147),
-    [anon_sym_SEMI_SEMI] = ACTIONS(147),
-  },
-  [47] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(147),
-    [anon_sym_PIPE_AMP] = ACTIONS(147),
-    [anon_sym_AMP_AMP] = ACTIONS(147),
-    [anon_sym_SEMI] = ACTIONS(147),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(147),
-    [anon_sym_SEMI_SEMI] = ACTIONS(147),
-  },
-  [48] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(149),
-    [anon_sym_PIPE_AMP] = ACTIONS(149),
-    [anon_sym_AMP_AMP] = ACTIONS(149),
-    [anon_sym_SEMI] = ACTIONS(149),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(149),
-    [anon_sym_SEMI_SEMI] = ACTIONS(149),
-  },
-  [49] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat2] = STATE(57),
-    [aux_sym_simple_command_repeat3] = STATE(59),
-    [anon_sym_PIPE] = ACTIONS(151),
-    [anon_sym_PIPE_AMP] = ACTIONS(151),
-    [anon_sym_AMP_AMP] = ACTIONS(151),
-    [anon_sym_SEMI] = ACTIONS(151),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(79),
-    [anon_sym_LF] = ACTIONS(151),
-    [anon_sym_SEMI_SEMI] = ACTIONS(151),
-  },
-  [50] = {
-    [sym_file_descriptor] = ACTIONS(154),
-    [sym_word] = ACTIONS(156),
+    [anon_sym_LF] = ACTIONS(127),
+    [anon_sym_SEMI_SEMI] = ACTIONS(127),
   },
   [51] = {
-    [anon_sym_PIPE] = ACTIONS(158),
-    [anon_sym_PIPE_AMP] = ACTIONS(158),
-    [anon_sym_AMP_AMP] = ACTIONS(158),
-    [anon_sym_SEMI] = ACTIONS(158),
-    [anon_sym_LT] = ACTIONS(161),
-    [anon_sym_GT] = ACTIONS(161),
-    [anon_sym_LT_AMP] = ACTIONS(161),
-    [anon_sym_GT_AMP] = ACTIONS(161),
-    [sym_file_descriptor] = ACTIONS(158),
-    [sym_leading_word] = ACTIONS(158),
-    [anon_sym_LF] = ACTIONS(158),
-    [anon_sym_SEMI_SEMI] = ACTIONS(158),
+    [anon_sym_PIPE] = ACTIONS(131),
+    [anon_sym_PIPE_AMP] = ACTIONS(131),
+    [anon_sym_AMP_AMP] = ACTIONS(131),
+    [anon_sym_SEMI] = ACTIONS(131),
+    [anon_sym_LT] = ACTIONS(131),
+    [anon_sym_GT] = ACTIONS(131),
+    [anon_sym_LT_AMP] = ACTIONS(131),
+    [anon_sym_GT_AMP] = ACTIONS(131),
+    [sym_file_descriptor] = ACTIONS(131),
+    [anon_sym_LF] = ACTIONS(131),
+    [anon_sym_SEMI_SEMI] = ACTIONS(131),
   },
   [52] = {
-    [ts_builtin_sym_end] = ACTIONS(165),
-    [anon_sym_LT] = ACTIONS(168),
-    [anon_sym_GT] = ACTIONS(168),
-    [anon_sym_LT_AMP] = ACTIONS(168),
-    [anon_sym_GT_AMP] = ACTIONS(168),
-    [sym_file_descriptor] = ACTIONS(168),
-    [sym_leading_word] = ACTIONS(171),
+    [sym_expansion] = STATE(48),
+    [sym_operator_expansion] = STATE(48),
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat3] = STATE(56),
+    [anon_sym_PIPE] = ACTIONS(175),
+    [anon_sym_PIPE_AMP] = ACTIONS(175),
+    [anon_sym_AMP_AMP] = ACTIONS(175),
+    [anon_sym_SEMI] = ACTIONS(175),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(143),
+    [anon_sym_LF] = ACTIONS(175),
+    [anon_sym_SEMI_SEMI] = ACTIONS(175),
   },
   [53] = {
-    [anon_sym_PIPE] = ACTIONS(51),
-    [anon_sym_PIPE_AMP] = ACTIONS(51),
-    [anon_sym_AMP_AMP] = ACTIONS(174),
-    [anon_sym_SEMI] = ACTIONS(174),
-    [anon_sym_LF] = ACTIONS(178),
-    [anon_sym_SEMI_SEMI] = ACTIONS(178),
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(175),
+    [anon_sym_PIPE_AMP] = ACTIONS(175),
+    [anon_sym_AMP_AMP] = ACTIONS(175),
+    [anon_sym_SEMI] = ACTIONS(175),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(175),
+    [anon_sym_SEMI_SEMI] = ACTIONS(175),
   },
   [54] = {
-    [anon_sym_AMP_AMP] = ACTIONS(182),
-    [anon_sym_SEMI] = ACTIONS(182),
+    [sym_word] = ACTIONS(177),
+  },
+  [55] = {
+    [anon_sym_PIPE] = ACTIONS(179),
+    [anon_sym_PIPE_AMP] = ACTIONS(179),
+    [anon_sym_AMP_AMP] = ACTIONS(179),
+    [anon_sym_SEMI] = ACTIONS(179),
+    [anon_sym_DOLLAR] = ACTIONS(179),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(179),
+    [anon_sym_LT] = ACTIONS(179),
+    [anon_sym_GT] = ACTIONS(179),
+    [anon_sym_LT_AMP] = ACTIONS(179),
+    [anon_sym_GT_AMP] = ACTIONS(179),
+    [sym_file_descriptor] = ACTIONS(179),
+    [sym_word] = ACTIONS(179),
+    [anon_sym_LF] = ACTIONS(179),
+    [anon_sym_SEMI_SEMI] = ACTIONS(179),
+  },
+  [56] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(181),
+    [anon_sym_PIPE_AMP] = ACTIONS(181),
+    [anon_sym_AMP_AMP] = ACTIONS(181),
+    [anon_sym_SEMI] = ACTIONS(181),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(181),
+    [anon_sym_SEMI_SEMI] = ACTIONS(181),
+  },
+  [57] = {
+    [anon_sym_RBRACE] = ACTIONS(183),
+  },
+  [58] = {
+    [anon_sym_PIPE] = ACTIONS(185),
+    [anon_sym_PIPE_AMP] = ACTIONS(185),
+    [anon_sym_AMP_AMP] = ACTIONS(185),
+    [anon_sym_SEMI] = ACTIONS(185),
+    [anon_sym_DOLLAR] = ACTIONS(185),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(185),
+    [anon_sym_LT] = ACTIONS(185),
+    [anon_sym_GT] = ACTIONS(185),
+    [anon_sym_LT_AMP] = ACTIONS(185),
+    [anon_sym_GT_AMP] = ACTIONS(185),
+    [sym_file_descriptor] = ACTIONS(185),
+    [sym_word] = ACTIONS(185),
     [anon_sym_LF] = ACTIONS(185),
     [anon_sym_SEMI_SEMI] = ACTIONS(185),
   },
-  [55] = {
-    [anon_sym_LT] = ACTIONS(188),
-    [anon_sym_GT] = ACTIONS(188),
-    [anon_sym_LT_AMP] = ACTIONS(188),
-    [anon_sym_GT_AMP] = ACTIONS(188),
-    [sym_file_descriptor] = ACTIONS(188),
-    [sym_leading_word] = ACTIONS(191),
-  },
-  [56] = {
-    [anon_sym_PIPE] = ACTIONS(194),
-    [anon_sym_PIPE_AMP] = ACTIONS(194),
-    [anon_sym_AMP_AMP] = ACTIONS(194),
-    [anon_sym_SEMI] = ACTIONS(194),
-    [anon_sym_LT] = ACTIONS(197),
-    [anon_sym_GT] = ACTIONS(197),
-    [anon_sym_LT_AMP] = ACTIONS(197),
-    [anon_sym_GT_AMP] = ACTIONS(197),
-    [sym_file_descriptor] = ACTIONS(197),
-    [sym_leading_word] = ACTIONS(191),
-    [anon_sym_LF] = ACTIONS(194),
-    [anon_sym_SEMI_SEMI] = ACTIONS(194),
-  },
-  [57] = {
-    [sym_file_redirect] = STATE(19),
-    [aux_sym_simple_command_repeat3] = STATE(63),
-    [anon_sym_PIPE] = ACTIONS(202),
-    [anon_sym_PIPE_AMP] = ACTIONS(202),
-    [anon_sym_AMP_AMP] = ACTIONS(202),
-    [anon_sym_SEMI] = ACTIONS(202),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [sym_word] = ACTIONS(125),
-    [anon_sym_LF] = ACTIONS(202),
-    [anon_sym_SEMI_SEMI] = ACTIONS(202),
-  },
-  [58] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(205),
-    [anon_sym_PIPE_AMP] = ACTIONS(205),
-    [anon_sym_AMP_AMP] = ACTIONS(205),
-    [anon_sym_SEMI] = ACTIONS(205),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(205),
-    [anon_sym_SEMI_SEMI] = ACTIONS(205),
-  },
   [59] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(202),
-    [anon_sym_PIPE_AMP] = ACTIONS(202),
-    [anon_sym_AMP_AMP] = ACTIONS(202),
-    [anon_sym_SEMI] = ACTIONS(202),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
-    [anon_sym_LF] = ACTIONS(202),
-    [anon_sym_SEMI_SEMI] = ACTIONS(202),
+    [sym_expansion] = STATE(32),
+    [sym_operator_expansion] = STATE(32),
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat2] = STATE(70),
+    [aux_sym_simple_command_repeat3] = STATE(72),
+    [anon_sym_PIPE] = ACTIONS(187),
+    [anon_sym_PIPE_AMP] = ACTIONS(187),
+    [anon_sym_AMP_AMP] = ACTIONS(187),
+    [anon_sym_SEMI] = ACTIONS(187),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(91),
+    [anon_sym_LF] = ACTIONS(187),
+    [anon_sym_SEMI_SEMI] = ACTIONS(187),
   },
   [60] = {
-    [anon_sym_PIPE] = ACTIONS(158),
-    [anon_sym_PIPE_AMP] = ACTIONS(158),
-    [anon_sym_AMP_AMP] = ACTIONS(158),
-    [anon_sym_SEMI] = ACTIONS(158),
-    [anon_sym_LT] = ACTIONS(158),
-    [anon_sym_GT] = ACTIONS(158),
-    [anon_sym_LT_AMP] = ACTIONS(158),
-    [anon_sym_GT_AMP] = ACTIONS(158),
-    [sym_file_descriptor] = ACTIONS(158),
-    [sym_leading_word] = ACTIONS(158),
-    [anon_sym_LF] = ACTIONS(158),
-    [anon_sym_SEMI_SEMI] = ACTIONS(158),
+    [sym_word] = ACTIONS(190),
   },
   [61] = {
-    [anon_sym_PIPE] = ACTIONS(212),
-    [anon_sym_PIPE_AMP] = ACTIONS(212),
-    [anon_sym_AMP_AMP] = ACTIONS(212),
-    [anon_sym_SEMI] = ACTIONS(212),
-    [anon_sym_LT] = ACTIONS(212),
-    [anon_sym_GT] = ACTIONS(212),
-    [anon_sym_LT_AMP] = ACTIONS(212),
-    [anon_sym_GT_AMP] = ACTIONS(212),
-    [sym_file_descriptor] = ACTIONS(212),
-    [sym_leading_word] = ACTIONS(212),
-    [anon_sym_LF] = ACTIONS(212),
-    [anon_sym_SEMI_SEMI] = ACTIONS(212),
+    [anon_sym_PIPE] = ACTIONS(192),
+    [anon_sym_PIPE_AMP] = ACTIONS(192),
+    [anon_sym_AMP_AMP] = ACTIONS(192),
+    [anon_sym_SEMI] = ACTIONS(192),
+    [anon_sym_DOLLAR] = ACTIONS(192),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(192),
+    [anon_sym_LT] = ACTIONS(192),
+    [anon_sym_GT] = ACTIONS(192),
+    [anon_sym_LT_AMP] = ACTIONS(192),
+    [anon_sym_GT_AMP] = ACTIONS(192),
+    [sym_file_descriptor] = ACTIONS(192),
+    [sym_word] = ACTIONS(192),
+    [anon_sym_LF] = ACTIONS(192),
+    [anon_sym_SEMI_SEMI] = ACTIONS(192),
   },
   [62] = {
-    [sym_file_descriptor] = ACTIONS(215),
-    [sym_word] = ACTIONS(217),
+    [sym_file_descriptor] = ACTIONS(195),
+    [sym_word] = ACTIONS(197),
   },
   [63] = {
-    [sym_file_redirect] = STATE(36),
-    [anon_sym_PIPE] = ACTIONS(219),
-    [anon_sym_PIPE_AMP] = ACTIONS(219),
-    [anon_sym_AMP_AMP] = ACTIONS(219),
-    [anon_sym_SEMI] = ACTIONS(219),
-    [anon_sym_LT] = ACTIONS(39),
-    [anon_sym_GT] = ACTIONS(39),
-    [anon_sym_LT_AMP] = ACTIONS(39),
-    [anon_sym_GT_AMP] = ACTIONS(39),
-    [sym_file_descriptor] = ACTIONS(41),
+    [anon_sym_PIPE] = ACTIONS(199),
+    [anon_sym_PIPE_AMP] = ACTIONS(199),
+    [anon_sym_AMP_AMP] = ACTIONS(199),
+    [anon_sym_SEMI] = ACTIONS(199),
+    [anon_sym_LT] = ACTIONS(202),
+    [anon_sym_GT] = ACTIONS(202),
+    [anon_sym_LT_AMP] = ACTIONS(202),
+    [anon_sym_GT_AMP] = ACTIONS(202),
+    [sym_file_descriptor] = ACTIONS(199),
+    [sym_leading_word] = ACTIONS(199),
+    [anon_sym_LF] = ACTIONS(199),
+    [anon_sym_SEMI_SEMI] = ACTIONS(199),
+  },
+  [64] = {
+    [ts_builtin_sym_end] = ACTIONS(206),
+    [anon_sym_LT] = ACTIONS(209),
+    [anon_sym_GT] = ACTIONS(209),
+    [anon_sym_LT_AMP] = ACTIONS(209),
+    [anon_sym_GT_AMP] = ACTIONS(209),
+    [sym_file_descriptor] = ACTIONS(209),
+    [sym_leading_word] = ACTIONS(212),
+  },
+  [65] = {
+    [anon_sym_PIPE] = ACTIONS(59),
+    [anon_sym_PIPE_AMP] = ACTIONS(59),
+    [anon_sym_AMP_AMP] = ACTIONS(215),
+    [anon_sym_SEMI] = ACTIONS(215),
     [anon_sym_LF] = ACTIONS(219),
     [anon_sym_SEMI_SEMI] = ACTIONS(219),
   },
-  [64] = {
-    [anon_sym_PIPE] = ACTIONS(115),
-    [anon_sym_PIPE_AMP] = ACTIONS(115),
-    [anon_sym_AMP_AMP] = ACTIONS(115),
-    [anon_sym_SEMI] = ACTIONS(115),
-    [anon_sym_LT] = ACTIONS(115),
-    [anon_sym_GT] = ACTIONS(115),
-    [anon_sym_LT_AMP] = ACTIONS(115),
-    [anon_sym_GT_AMP] = ACTIONS(115),
-    [sym_file_descriptor] = ACTIONS(115),
-    [sym_leading_word] = ACTIONS(115),
-    [anon_sym_LF] = ACTIONS(115),
-    [anon_sym_SEMI_SEMI] = ACTIONS(115),
+  [66] = {
+    [anon_sym_AMP_AMP] = ACTIONS(223),
+    [anon_sym_SEMI] = ACTIONS(223),
+    [anon_sym_LF] = ACTIONS(226),
+    [anon_sym_SEMI_SEMI] = ACTIONS(226),
   },
-  [65] = {
-    [anon_sym_PIPE] = ACTIONS(119),
-    [anon_sym_PIPE_AMP] = ACTIONS(119),
-    [anon_sym_AMP_AMP] = ACTIONS(119),
-    [anon_sym_SEMI] = ACTIONS(119),
-    [anon_sym_LT] = ACTIONS(119),
-    [anon_sym_GT] = ACTIONS(119),
-    [anon_sym_LT_AMP] = ACTIONS(119),
-    [anon_sym_GT_AMP] = ACTIONS(119),
-    [sym_file_descriptor] = ACTIONS(119),
-    [sym_leading_word] = ACTIONS(119),
-    [anon_sym_LF] = ACTIONS(119),
-    [anon_sym_SEMI_SEMI] = ACTIONS(119),
+  [67] = {
+    [anon_sym_LT] = ACTIONS(229),
+    [anon_sym_GT] = ACTIONS(229),
+    [anon_sym_LT_AMP] = ACTIONS(229),
+    [anon_sym_GT_AMP] = ACTIONS(229),
+    [sym_file_descriptor] = ACTIONS(229),
+    [sym_leading_word] = ACTIONS(232),
+  },
+  [68] = {
+    [anon_sym_PIPE] = ACTIONS(235),
+    [anon_sym_PIPE_AMP] = ACTIONS(235),
+    [anon_sym_AMP_AMP] = ACTIONS(235),
+    [anon_sym_SEMI] = ACTIONS(235),
+    [anon_sym_DOLLAR] = ACTIONS(235),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(235),
+    [anon_sym_LT] = ACTIONS(235),
+    [anon_sym_GT] = ACTIONS(235),
+    [anon_sym_LT_AMP] = ACTIONS(235),
+    [anon_sym_GT_AMP] = ACTIONS(235),
+    [sym_file_descriptor] = ACTIONS(235),
+    [sym_word] = ACTIONS(235),
+    [anon_sym_LF] = ACTIONS(235),
+    [anon_sym_SEMI_SEMI] = ACTIONS(235),
+  },
+  [69] = {
+    [anon_sym_PIPE] = ACTIONS(238),
+    [anon_sym_PIPE_AMP] = ACTIONS(238),
+    [anon_sym_AMP_AMP] = ACTIONS(238),
+    [anon_sym_SEMI] = ACTIONS(238),
+    [anon_sym_LT] = ACTIONS(241),
+    [anon_sym_GT] = ACTIONS(241),
+    [anon_sym_LT_AMP] = ACTIONS(241),
+    [anon_sym_GT_AMP] = ACTIONS(241),
+    [sym_file_descriptor] = ACTIONS(241),
+    [sym_leading_word] = ACTIONS(232),
+    [anon_sym_LF] = ACTIONS(238),
+    [anon_sym_SEMI_SEMI] = ACTIONS(238),
+  },
+  [70] = {
+    [sym_expansion] = STATE(48),
+    [sym_operator_expansion] = STATE(48),
+    [sym_file_redirect] = STATE(19),
+    [aux_sym_simple_command_repeat3] = STATE(77),
+    [anon_sym_PIPE] = ACTIONS(246),
+    [anon_sym_PIPE_AMP] = ACTIONS(246),
+    [anon_sym_AMP_AMP] = ACTIONS(246),
+    [anon_sym_SEMI] = ACTIONS(246),
+    [anon_sym_DOLLAR] = ACTIONS(87),
+    [anon_sym_DOLLAR_LBRACE] = ACTIONS(89),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [sym_word] = ACTIONS(143),
+    [anon_sym_LF] = ACTIONS(246),
+    [anon_sym_SEMI_SEMI] = ACTIONS(246),
+  },
+  [71] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(249),
+    [anon_sym_PIPE_AMP] = ACTIONS(249),
+    [anon_sym_AMP_AMP] = ACTIONS(249),
+    [anon_sym_SEMI] = ACTIONS(249),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(249),
+    [anon_sym_SEMI_SEMI] = ACTIONS(249),
+  },
+  [72] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(246),
+    [anon_sym_PIPE_AMP] = ACTIONS(246),
+    [anon_sym_AMP_AMP] = ACTIONS(246),
+    [anon_sym_SEMI] = ACTIONS(246),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(246),
+    [anon_sym_SEMI_SEMI] = ACTIONS(246),
+  },
+  [73] = {
+    [anon_sym_RBRACE] = ACTIONS(183),
+    [anon_sym_LT] = ACTIONS(145),
+    [anon_sym_GT] = ACTIONS(145),
+    [anon_sym_LT_AMP] = ACTIONS(145),
+    [anon_sym_GT_AMP] = ACTIONS(145),
+    [sym_file_descriptor] = ACTIONS(145),
+    [sym_leading_word] = ACTIONS(147),
+  },
+  [74] = {
+    [anon_sym_PIPE] = ACTIONS(199),
+    [anon_sym_PIPE_AMP] = ACTIONS(199),
+    [anon_sym_AMP_AMP] = ACTIONS(199),
+    [anon_sym_SEMI] = ACTIONS(199),
+    [anon_sym_LT] = ACTIONS(199),
+    [anon_sym_GT] = ACTIONS(199),
+    [anon_sym_LT_AMP] = ACTIONS(199),
+    [anon_sym_GT_AMP] = ACTIONS(199),
+    [sym_file_descriptor] = ACTIONS(199),
+    [sym_leading_word] = ACTIONS(199),
+    [anon_sym_LF] = ACTIONS(199),
+    [anon_sym_SEMI_SEMI] = ACTIONS(199),
+  },
+  [75] = {
+    [anon_sym_PIPE] = ACTIONS(256),
+    [anon_sym_PIPE_AMP] = ACTIONS(256),
+    [anon_sym_AMP_AMP] = ACTIONS(256),
+    [anon_sym_SEMI] = ACTIONS(256),
+    [anon_sym_LT] = ACTIONS(256),
+    [anon_sym_GT] = ACTIONS(256),
+    [anon_sym_LT_AMP] = ACTIONS(256),
+    [anon_sym_GT_AMP] = ACTIONS(256),
+    [sym_file_descriptor] = ACTIONS(256),
+    [sym_leading_word] = ACTIONS(256),
+    [anon_sym_LF] = ACTIONS(256),
+    [anon_sym_SEMI_SEMI] = ACTIONS(256),
+  },
+  [76] = {
+    [sym_file_descriptor] = ACTIONS(259),
+    [sym_word] = ACTIONS(261),
+  },
+  [77] = {
+    [sym_file_redirect] = STATE(39),
+    [anon_sym_PIPE] = ACTIONS(263),
+    [anon_sym_PIPE_AMP] = ACTIONS(263),
+    [anon_sym_AMP_AMP] = ACTIONS(263),
+    [anon_sym_SEMI] = ACTIONS(263),
+    [anon_sym_LT] = ACTIONS(47),
+    [anon_sym_GT] = ACTIONS(47),
+    [anon_sym_LT_AMP] = ACTIONS(47),
+    [anon_sym_GT_AMP] = ACTIONS(47),
+    [sym_file_descriptor] = ACTIONS(49),
+    [anon_sym_LF] = ACTIONS(263),
+    [anon_sym_SEMI_SEMI] = ACTIONS(263),
+  },
+  [78] = {
+    [anon_sym_PIPE] = ACTIONS(127),
+    [anon_sym_PIPE_AMP] = ACTIONS(127),
+    [anon_sym_AMP_AMP] = ACTIONS(127),
+    [anon_sym_SEMI] = ACTIONS(127),
+    [anon_sym_LT] = ACTIONS(127),
+    [anon_sym_GT] = ACTIONS(127),
+    [anon_sym_LT_AMP] = ACTIONS(127),
+    [anon_sym_GT_AMP] = ACTIONS(127),
+    [sym_file_descriptor] = ACTIONS(127),
+    [sym_leading_word] = ACTIONS(127),
+    [anon_sym_LF] = ACTIONS(127),
+    [anon_sym_SEMI_SEMI] = ACTIONS(127),
+  },
+  [79] = {
+    [anon_sym_PIPE] = ACTIONS(131),
+    [anon_sym_PIPE_AMP] = ACTIONS(131),
+    [anon_sym_AMP_AMP] = ACTIONS(131),
+    [anon_sym_SEMI] = ACTIONS(131),
+    [anon_sym_LT] = ACTIONS(131),
+    [anon_sym_GT] = ACTIONS(131),
+    [anon_sym_LT_AMP] = ACTIONS(131),
+    [anon_sym_GT_AMP] = ACTIONS(131),
+    [sym_file_descriptor] = ACTIONS(131),
+    [sym_leading_word] = ACTIONS(131),
+    [anon_sym_LF] = ACTIONS(131),
+    [anon_sym_SEMI_SEMI] = ACTIONS(131),
   },
 };
 
 static TSParseActionEntry ts_parse_actions[] = {
   [0] = {.count = 0, .reusable = false, .depends_on_lookahead = false},
   [1] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(0),
-  [3] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, RECOVER(49),
+  [3] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, RECOVER(59),
   [5] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(21),
   [7] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(22),
-  [9] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(16),
-  [11] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(50),
-  [13] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(51),
-  [15] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(23),
-  [17] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_program, 0),
-  [19] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(2),
-  [21] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(3),
-  [23] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(4),
-  [25] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(12),
-  [27] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(13),
-  [29] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(14),
-  [31] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(14),
-  [33] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(15),
-  [35] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 1, .rename_sequence_id = 1),
-  [37] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(16),
-  [39] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(17),
-  [41] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(18),
-  [43] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, ACCEPT_INPUT(),
-  [45] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1),
-  [47] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 1),
-  [49] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1),
-  [51] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(21),
-  [53] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(22),
-  [55] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(23),
-  [57] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 1),
-  [59] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1),
-  [61] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_program, 1),
-  [63] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(25),
-  [65] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 2),
-  [67] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2),
-  [69] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2),
-  [71] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2),
-  [73] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(27),
-  [75] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(28),
-  [77] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3),
-  [79] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(29),
-  [81] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(32),
-  [83] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(33),
-  [85] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(34),
-  [87] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(35),
-  [89] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(35),
-  [91] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 1),
-  [93] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_command, 2),
-  [95] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_command, 2),
-  [97] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_command, 2),
-  [99] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 2),
-  [101] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 2),
-  [103] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 2),
-  [105] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(40),
-  [107] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 4),
-  [109] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 2),
-  [111] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 2),
-  [113] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 3),
-  [115] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 3),
-  [117] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
-  [119] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
-  [121] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 1, .rename_sequence_id = 6),
-  [123] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 7),
-  [125] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(42),
-  [127] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_environment_variable_assignment, 3, .rename_sequence_id = 8),
-  [129] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_environment_variable_assignment, 3, .rename_sequence_id = 8),
-  [131] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(44),
-  [133] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(45),
-  [135] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 2),
-  [137] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3),
-  [139] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3),
-  [141] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 9),
-  [143] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 2, .rename_sequence_id = 10),
-  [145] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 11),
-  [147] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 12),
-  [149] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 5, .rename_sequence_id = 13),
-  [151] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3), REDUCE(sym_simple_command, 3, .rename_sequence_id = 9),
-  [154] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(60),
-  [156] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(61),
-  [158] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2), REDUCE(sym_file_redirect, 3),
-  [161] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2), REDUCE(sym_file_redirect, 3), SHIFT(62),
-  [165] = {.count = 2, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
-  [168] = {.count = 2, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
-  [171] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
-  [174] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3), REDUCE(sym_list, 3), SHIFT(22),
-  [178] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3), REDUCE(sym_list, 3), SHIFT(23),
-  [182] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3), SHIFT(22),
-  [185] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3), SHIFT(23),
-  [188] = {.count = 2, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat1, 2),
-  [191] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat1, 2),
-  [194] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 1), REDUCE(aux_sym_simple_command_repeat3, 2),
-  [197] = {.count = 4, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat3, 1), REDUCE(aux_sym_simple_command_repeat1, 2), REDUCE(aux_sym_simple_command_repeat3, 2),
-  [202] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 7), REDUCE(sym_simple_command, 4, .rename_sequence_id = 12),
-  [205] = {.count = 6, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3), REDUCE(sym_simple_command, 3, .rename_sequence_id = 9), REDUCE(sym_simple_command, 3, .rename_sequence_id = 7), REDUCE(sym_simple_command, 4, .rename_sequence_id = 12), REDUCE(sym_simple_command, 4, .rename_sequence_id = 11), REDUCE(sym_simple_command, 5, .rename_sequence_id = 13),
-  [212] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2), REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
-  [215] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(64),
-  [217] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(65),
-  [219] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 11), REDUCE(sym_simple_command, 5, .rename_sequence_id = 13),
+  [9] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(60),
+  [11] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(29),
+  [13] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(30),
+  [15] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(54),
+  [17] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(61),
+  [19] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(62),
+  [21] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(63),
+  [23] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, RECOVER(23),
+  [25] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_program, 0),
+  [27] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(2),
+  [29] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(3),
+  [31] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(4),
+  [33] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(12),
+  [35] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(13),
+  [37] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(14),
+  [39] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(14),
+  [41] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(15),
+  [43] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 1, .rename_sequence_id = 1),
+  [45] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(16),
+  [47] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(17),
+  [49] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(18),
+  [51] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, ACCEPT_INPUT(),
+  [53] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1),
+  [55] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 1),
+  [57] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1),
+  [59] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(21),
+  [61] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(22),
+  [63] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(23),
+  [65] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 1),
+  [67] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1),
+  [69] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_program, 1),
+  [71] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(25),
+  [73] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 2),
+  [75] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2),
+  [77] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2),
+  [79] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2),
+  [81] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(27),
+  [83] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(28),
+  [85] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3),
+  [87] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(29),
+  [89] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(30),
+  [91] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(31),
+  [93] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(35),
+  [95] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(36),
+  [97] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(37),
+  [99] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(38),
+  [101] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(38),
+  [103] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 1),
+  [105] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(sym_command, 2),
+  [107] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_command, 2),
+  [109] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_command, 2),
+  [111] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 2),
+  [113] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 2),
+  [115] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 2),
+  [117] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(43),
+  [119] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 4),
+  [121] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 2),
+  [123] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 2),
+  [125] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 3),
+  [127] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 3),
+  [129] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
+  [131] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
+  [133] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(45),
+  [135] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(46),
+  [137] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 1, .rename_sequence_id = 6),
+  [139] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 1),
+  [141] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 7),
+  [143] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(47),
+  [145] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, REDUCE(sym_environment_variable_assignment, 3, .rename_sequence_id = 8),
+  [147] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_environment_variable_assignment, 3, .rename_sequence_id = 8),
+  [149] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(50),
+  [151] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(51),
+  [153] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 2),
+  [155] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3),
+  [157] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3),
+  [159] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 9),
+  [161] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_expansion, 2, .rename_sequence_id = 10),
+  [163] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(54),
+  [165] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(54),
+  [167] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(55),
+  [169] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 2, .rename_sequence_id = 11),
+  [171] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 2),
+  [173] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 12),
+  [175] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 13),
+  [177] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(57),
+  [179] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_operator_expansion, 3, .rename_sequence_id = 14),
+  [181] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 5, .rename_sequence_id = 15),
+  [183] = {.count = 1, .reusable = true, .depends_on_lookahead = false}, SHIFT(58),
+  [185] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_operator_expansion, 5, .rename_sequence_id = 16),
+  [187] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3), REDUCE(sym_simple_command, 3, .rename_sequence_id = 9),
+  [190] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(73),
+  [192] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_operator_expansion, 3, .rename_sequence_id = 14), REDUCE(sym_operator_expansion, 5, .rename_sequence_id = 16),
+  [195] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(74),
+  [197] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(75),
+  [199] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2), REDUCE(sym_file_redirect, 3),
+  [202] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2), REDUCE(sym_file_redirect, 3), SHIFT(76),
+  [206] = {.count = 2, .reusable = true, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
+  [209] = {.count = 2, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
+  [212] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_program_repeat1, 1), REDUCE(aux_sym_program_repeat1, 2),
+  [215] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3), REDUCE(sym_list, 3), SHIFT(22),
+  [219] = {.count = 3, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_pipeline, 3), REDUCE(sym_list, 3), SHIFT(23),
+  [223] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3), SHIFT(22),
+  [226] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_list, 3), SHIFT(23),
+  [229] = {.count = 2, .reusable = true, .depends_on_lookahead = true}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat1, 2),
+  [232] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat1, 2),
+  [235] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat2, 1), REDUCE(aux_sym_simple_command_repeat2, 2),
+  [238] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat3, 1), REDUCE(aux_sym_simple_command_repeat3, 2),
+  [241] = {.count = 4, .reusable = false, .depends_on_lookahead = false}, REDUCE(aux_sym_simple_command_repeat1, 1), REDUCE(aux_sym_simple_command_repeat3, 1), REDUCE(aux_sym_simple_command_repeat1, 2), REDUCE(aux_sym_simple_command_repeat3, 2),
+  [246] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 3, .rename_sequence_id = 7), REDUCE(sym_simple_command, 4, .rename_sequence_id = 13),
+  [249] = {.count = 6, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 2, .rename_sequence_id = 3), REDUCE(sym_simple_command, 3, .rename_sequence_id = 9), REDUCE(sym_simple_command, 3, .rename_sequence_id = 7), REDUCE(sym_simple_command, 4, .rename_sequence_id = 13), REDUCE(sym_simple_command, 4, .rename_sequence_id = 12), REDUCE(sym_simple_command, 5, .rename_sequence_id = 15),
+  [256] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_file_redirect, 2, .rename_sequence_id = 2), REDUCE(sym_file_redirect, 3, .rename_sequence_id = 5),
+  [259] = {.count = 1, .reusable = true, .depends_on_lookahead = true}, SHIFT(78),
+  [261] = {.count = 1, .reusable = false, .depends_on_lookahead = false}, SHIFT(79),
+  [263] = {.count = 2, .reusable = false, .depends_on_lookahead = false}, REDUCE(sym_simple_command, 4, .rename_sequence_id = 12), REDUCE(sym_simple_command, 5, .rename_sequence_id = 15),
 };
 
 const TSLanguage *tree_sitter_bash() {