From 0e172361a894213b1c1ae4332ac00c7be2eb8df0 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Mon, 6 Aug 2018 11:09:45 -0700
Subject: [PATCH] Support #*# operator in variable expansions

Fixes #10
---
 corpus/literals.txt | 2 ++
 src/scanner.cc      | 1 +
 2 files changed, 3 insertions(+)

diff --git a/corpus/literals.txt b/corpus/literals.txt
index d0a9e9e..33036fb 100644
--- a/corpus/literals.txt
+++ b/corpus/literals.txt
@@ -56,6 +56,7 @@ echo $# $* $@
 Variable expansions
 =============================
 
+echo ${var1#*#}
 echo ${!abc}
 echo ${abc}
 echo ${abc:-def}
@@ -66,6 +67,7 @@ echo ${abc:
 ---
 
 (program
+  (command (command_name (word)) (expansion (variable_name) (word)))
   (command (command_name (word)) (expansion (variable_name)))
   (command (command_name (word)) (expansion (variable_name)))
   (command (command_name (word)) (expansion (variable_name) (word)))
diff --git a/src/scanner.cc b/src/scanner.cc
index f3bda14..ff06efc 100644
--- a/src/scanner.cc
+++ b/src/scanner.cc
@@ -98,6 +98,7 @@ struct Scanner {
         lexer->lookahead == '&' ||
         lexer->lookahead == '|' ||
         lexer->lookahead == '`' ||
+        lexer->lookahead == '#' ||
         (lexer->lookahead == '}' && valid_symbols[CLOSING_BRACE]) ||
         (lexer->lookahead == ']' && valid_symbols[CLOSING_BRACKET])
       )) {