1 files changed, 19 insertions, 0 deletions
diff --git a/ext/psych/lib/psych/syntax_error.rb b/ext/psych/lib/psych/syntax_error.rb
new file mode 100644
index 0000000000..f79743dba4
--- /dev/null
+++ b/ext/psych/lib/psych/syntax_error.rb
@@ -0,0 +1,19 @@
+module Psych
+  class SyntaxError < ::SyntaxError
+    attr_reader :file, :line, :column, :offset, :problem, :context
+
+    def initialize file, line, col, offset, problem, context
+      err      = [problem, context].compact.join ' '
+      filename = file || '<unknown>'
+      message  = "(%s): %s at line %d column %d" % [filename, err, line, col]
+
+      @file    = file
+      @line    = line
+      @column  = col
+      @offset  = offset
+      @problem = problem
+      @context = context
+      super(message)
+    end
+  end
+end