From 39500eaf2fbd85c239b71c97247a8f469955fd29 Mon Sep 17 00:00:00 2001
From: yiyang <yiyang331097@gmail.com>
Date: Wed, 1 May 2024 15:42:04 +0800
Subject: [PATCH] Update: grammar

---
 src/mono-diagram/grammar/binary_tree.pest | 2 +-
 src/mono-diagram/grammar/grid.pest        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mono-diagram/grammar/binary_tree.pest b/src/mono-diagram/grammar/binary_tree.pest
index 392173e..103a78c 100644
--- a/src/mono-diagram/grammar/binary_tree.pest
+++ b/src/mono-diagram/grammar/binary_tree.pest
@@ -1,6 +1,6 @@
 WHITESPACE = _{ " " | NEWLINE }
 
-node_value = @{ (  ASCII_ALPHANUMERIC | "." | "_" | "-" )+ }
+node_value = @{ (  ASCII_ALPHANUMERIC | "." | "_" | "-" | " " | "@" | "#" | "$" | "%" | "^" | "&" | "*" | "(" | ")" | "'" | "\"" | "+" | "!" | "<" | ">" | "\\" | "/" | ";" | "=" | "?" | "," | "{" | "}" | "[" | "]" )+ }
 node_variable_name = @{ ASCII_ALPHA ~ ASCII_ALPHANUMERIC* }
 
 lchild = @{ ASCII_ALPHA ~ ASCII_ALPHANUMERIC* }
diff --git a/src/mono-diagram/grammar/grid.pest b/src/mono-diagram/grammar/grid.pest
index 5e7baf7..50c9384 100644
--- a/src/mono-diagram/grammar/grid.pest
+++ b/src/mono-diagram/grammar/grid.pest
@@ -1,7 +1,7 @@
 WHITESPACE = _{ " " | NEWLINE }
 
 int = @{ ASCII_DIGIT+ }
-cell = @{ ASCII_ALPHANUMERIC+ } 
+cell = @{ (  ASCII_ALPHANUMERIC | "." | "_" | "-" | " " | "@" | "#" | "$" | "%" | "^" | "&" | "*" | "(" | ")" | "'" | "\"" | "+" | "!" | "<" | ">" | "\\" | "/" | ";" | "=" | "?" | "," | "{" | "}" | "[" | "]" )+ }
 
 size = { "{" ~ int ~ "," ~ int ~ "}" }
 pos = { int ~ "," ~ int }