Lrama v0.5.0 (#7814)

Merged-By: yui-knk <spiketeika@gmail.com>

tool/lrama/lib/lrama/command.rb

@@ -57,14 +57,18 @@ module Lrama
       end
 
       if !grammar_file
-        puts "File should be specified\n"
-        exit 1
+        abort "File should be specified\n"
       end
 
       Report::Duration.enable if trace_opts[:time]
 
       warning = Lrama::Warning.new
+      if grammar_file == '-'
+        grammar_file = argv.shift or abort "File name for STDIN should be specified\n"
+        y = STDIN.read
+      else
         y = File.read(grammar_file)
+      end
       grammar = Lrama::Parser.new(y).parse
       states = Lrama::States.new(grammar, warning, trace_state: (trace_opts[:automaton] || trace_opts[:closure]))
       states.compute

tool/lrama/lib/lrama/output.rb

@@ -53,9 +53,7 @@ module Lrama
           if @header_out
             @header_out << tmp
           else
-            File.open(@header_file_path, "w+") do |f|
-              f << tmp
-            end
+            File.write(@header_file_path, tmp)
           end
         end
       end

tool/lrama/lib/lrama/version.rb

@@ -1,3 +1,3 @@
 module Lrama
-  VERSION = "0.4.0".freeze
+  VERSION = "0.5.0".freeze
 end