From be3a312ca7e5f7e0a24c3a6eb52e721d8af47e41 Mon Sep 17 00:00:00 2001
From: ydah <13041216+ydah@users.noreply.github.com>
Date: Wed, 7 Feb 2024 20:10:33 +0900
Subject: [PATCH] Fix steep check offense
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```
❯ bundle exec rake steep
bundle exec steep check
# Type checking files:

.............................................................................................................................F.........................

lib/lrama/grammar/symbols/resolver.rb:201:33: [error] Cannot pass a value of type `(::Integer | nil)` as an argument of type `::Integer`
│   (::Integer | nil) <: ::Integer
│     nil <: ::Integer
│
│ Diagnostic ID: Ruby::ArgumentTypeMismatch
│
└                   sym.token_id = Integer($1, 8)
                                   ~~~~~~~~~~~~~~

lib/lrama/grammar/symbols/resolver.rb:203:36: [error] Type `(::String | nil)` does not have method `bytes`
│ Diagnostic ID: Ruby::NoMethod
│
└                   sym.token_id = $1.bytes.first
                                      ~~~~~

Detected 2 problems from 1 file
```
---
 lib/lrama/grammar/symbols/resolver.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/lrama/grammar/symbols/resolver.rb b/lib/lrama/grammar/symbols/resolver.rb
index f34b9b2e..07e03e70 100644
--- a/lib/lrama/grammar/symbols/resolver.rb
+++ b/lib/lrama/grammar/symbols/resolver.rb
@@ -198,9 +198,17 @@ def fill_terms_number
                 when "\\\\"
                   sym.token_id = 92
                 when /\A\\(\d+)\z/
-                  sym.token_id = Integer($1, 8)
+                  unless (id = Integer($1, 8)).nil?
+                    sym.token_id = id
+                  else
+                    raise "Unknown Char s_value #{sym}"
+                  end
                 when /\A(.)\z/
-                  sym.token_id = $1.bytes.first
+                  unless (id = $1&.bytes&.first).nil?
+                    sym.token_id = id
+                  else
+                    raise "Unknown Char s_value #{sym}"
+                  end
                 else
                   raise "Unknown Char s_value #{sym}"
                 end