diff options
author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
---|---|---|
committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/sample/eval.rb |
Fresh start
Diffstat (limited to 'jni/ruby/sample/eval.rb')
-rw-r--r-- | jni/ruby/sample/eval.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/jni/ruby/sample/eval.rb b/jni/ruby/sample/eval.rb new file mode 100644 index 0000000..ed4b7c3 --- /dev/null +++ b/jni/ruby/sample/eval.rb @@ -0,0 +1,41 @@ +line = '' +indent = 0 +$stdout.sync = true +print "ruby> " +loop do + l = gets + if l.nil? + break if line.empty? + else + line += l + if l =~ /,\s*$/ + print "ruby| " + next + end + if l =~ /^\s*(class|module|def|if|unless|case|while|until|for|begin)\b[^_]/ + indent += 1 + end + if l =~ /^\s*end\b[^_]/ + indent -= 1 + end + if l =~ /\{\s*(\|.*\|)?\s*$/ + indent += 1 + end + if l =~ /^\s*\}/ + indent -= 1 + end + if indent > 0 + print "ruby| " + next + end + end + begin + print eval(line).inspect, "\n" + rescue ScriptError, StandardError + printf "ERR: %s\n", $! || 'exception raised' + end + break if l.nil? + line = '' + print "ruby> " +end +print "\n" |