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added _ex_.file and _ex_.line singleton methods to Exception injected into binding, to allow easy access to code that triggered exception (using cat command)

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John Mair 2011-06-17 01:45:33 +12:00
parent 7e70420916
commit aab60171d8
1 changed files with 8 additions and 1 deletions
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9
lib/pry/pry_instance.rb
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@ -302,7 +302,7 @@ class Pry
# This method should not need to be invoked directly.
# @param [String] val The line to process.
# @param [String] eval_string The cumulative lines of input.
# @target [Binding] target The target of the Pry session.
# @param [Binding] target The target of the Pry session.
def process_line(val, eval_string, target)
Pry.cmd_ret_value = @command_processor.process_commands(val, eval_string, target)
@ -329,6 +329,13 @@ class Pry
# @param [Exception] ex The exception.
# @param [Binding] target The binding to set `_ex_` on.
def set_last_exception(ex, target)
class << ex
attr_accessor :file, :line
end
ex.backtrace.first =~ /(.*):(\d+)/
ex.file, ex.line = $1, $2.to_i
Pry.last_exception = ex
target.eval("_ex_ = ::Pry.last_exception")
end