processor/command/info_subcmd/source.rb in trepanning-0.1.3 vs processor/command/info_subcmd/source.rb in trepanning-0.1.4

@@ -4,10 +4,11 @@
 require 'linecache'
 require 'columnize'
 require_relative '../base/subcmd'
 require_relative '../../../app/file'
 require_relative '../../../app/complete'
+require_relative '../../../app/run'
 
 class Trepan::Subcommand::InfoSource < Trepan::Subcommand
   unless defined?(HELP)
     Trepanning::Subcommand.set_name_prefix(__FILE__, self)
     DEFAULT_FILE_ARGS = %w(size mtime sha1)
@@ -46,13 +47,18 @@
       msg(m)
     end
     max_line = LineCache::size(canonic_name)
     msg 'File has %d lines.' % max_line if max_line
     msg('SHA1 is %s.' % LineCache::sha1(canonic_name))
-    msg('Possible breakpoint line numbers:')
-    lines = LineCache.trace_line_numbers(canonic_name)
-    fmt_lines = columnize_numbers(lines)
-    msg(fmt_lines)
+    syntax_errors = Trepan::ruby_syntax_errors(canonic_name)
+    if syntax_errors
+      msg('Not a syntactically-correct Ruby program.')
+    else
+      msg('Possible breakpoint line numbers:')
+      lines = LineCache.trace_line_numbers(canonic_name)
+      fmt_lines = columnize_numbers(lines)
+      msg(fmt_lines)
+    end
     if SCRIPT_ISEQS__.member?(canonic_name)
       msg("File contains instruction sequences:")
       SCRIPT_ISEQS__[canonic_name].each do |iseq|
         msg("\t%s %s" % [iseq, iseq.name.inspect])
       end