Class: Object
- Inherits:
-
BasicObject
- Includes:
- InstanceExecHelper
- Defined in:
- lib/cucumber/core_ext/instance_exec.rb
Defined Under Namespace
Modules: InstanceExecHelper
Instance Method Summary
collapse
Instance Method Details
#cucumber_arity(block) ⇒ Object
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# File 'lib/cucumber/core_ext/instance_exec.rb', line 25
def cucumber_arity(block)
a = block.arity
Cucumber::RUBY_1_9 ? a : (a == -1 ? 0 : a)
end
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#cucumber_compatible_arity?(args, block) ⇒ Boolean
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# File 'lib/cucumber/core_ext/instance_exec.rb', line 30
def cucumber_compatible_arity?(args, block)
a = cucumber_arity(block)
return true if (a == -1) && Cucumber::RUBY_1_9
a == args.length
end
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#cucumber_instance_exec(check_arity, pseudo_method, *args, &block) ⇒ Object
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# File 'lib/cucumber/core_ext/instance_exec.rb', line 9
def cucumber_instance_exec(check_arity, pseudo_method, *args, &block)
cucumber_run_with_backtrace_filtering(pseudo_method) do
if check_arity && !cucumber_compatible_arity?(args, block)
instance_exec do
s1 = cucumber_arity(block) == 1 ? "" : "s"
s2 = args.length == 1 ? "" : "s"
raise Cucumber::ArityMismatchError.new(
"Your block takes #{cucumber_arity(block)} argument#{s1}, but the Regexp matched #{args.length} argument#{s2}."
)
end
else
instance_exec(*args, &block)
end
end
end
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#cucumber_run_with_backtrace_filtering(pseudo_method) ⇒ Object
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# File 'lib/cucumber/core_ext/instance_exec.rb', line 36
def cucumber_run_with_backtrace_filtering(pseudo_method)
begin
yield
rescue Exception => e
instance_exec_invocation_line = "#{__FILE__}:#{__LINE__ - 2}:in `cucumber_run_with_backtrace_filtering'"
Exception.cucumber_strip_backtrace!((e.backtrace || []), instance_exec_invocation_line, pseudo_method)
raise e
end
end
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#instance_exec(*args, &block) ⇒ Object
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# File 'lib/cucumber/core_ext/instance_exec.rb', line 50
def instance_exec(*args, &block)
begin
old_critical, Thread.critical = Thread.critical, true
n = 0
n += 1 while respond_to?(mname="__instance_exec#{n}")
InstanceExecHelper.module_eval{ define_method(mname, &block) }
ensure
Thread.critical = old_critical
end
begin
ret = send(mname, *args)
ensure
InstanceExecHelper.module_eval{ remove_method(mname) } rescue nil
end
ret
end
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