Make Buffer#name a Pathname

Author: soutaro

lib/rbs/cli.rb

@@ -913,7 +913,7 @@ def run_parse(args, options)
           Buffer.new(content: file_path.read, name: file_path)
         end
       end
-      bufs << Buffer.new(content: e_code, name: '-e') if e_code
+      bufs << Buffer.new(content: e_code, name: Pathname('-e')) if e_code
 
       bufs.each do |buf|
         RBS.logger.info "Parsing #{buf.name}..."

lib/rbs/environment_loader.rb

@@ -161,7 +161,7 @@ def each_signature
           next if files.include?(path)
 
           files << path
-          buffer = Buffer.new(name: path.to_s, content: path.read(encoding: "UTF-8"))
+          buffer = Buffer.new(name: path, content: path.read(encoding: "UTF-8"))
 
           _, dirs, decls = Parser.parse_signature(buffer)
 

lib/rbs/parser_aux.rb

@@ -71,7 +71,7 @@ def self.lex(source)
     def self.buffer(source)
       case source
       when String
-        Buffer.new(content: source, name: "a.rbs")
+        Buffer.new(content: source, name: Pathname("a.rbs"))
       when Buffer
         source
       end

sig/buffer.rbs

@@ -6,7 +6,7 @@ module RBS
     type loc = [Integer, Integer]
 
     # Name to identify Buffer.
-    attr_reader name: untyped
+    attr_reader name: Pathname
 
     # The content of the buffer.
     attr_reader content: String
@@ -15,7 +15,7 @@ module RBS
 
     @ranges: Array[Range[Integer]]
 
-    def initialize: (name: untyped name, content: String content) -> void
+    def initialize: (name: Pathname name, content: String content) -> void
 
     def lines: () -> Array[String]