* ext/psych/lib/psych/syntax_error.rb: Add file, line, offset, and

  message attributes during parse failure.
* ext/psych/parser.c: Update parser to raise exception with correct
  values.
* test/psych/test_exception.rb: corresponding tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33404 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 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..9fe3e0da30
--- /dev/null
+++ b/ext/psych/lib/psych/syntax_error.rb
@@ -0,0 +1,18 @@
+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 ' '
+      message = "(%s): %s at line %d column %d" % [file, err, line, col]
+
+      @file    = file
+      @line    = line
+      @column  = col
+      @offset  = offset
+      @problem = problem
+      @context = context
+      super(message)
+    end
+  end
+end