/
rescue_spec.rb
705 lines (595 loc) · 10.9 KB
/
rescue_spec.rb
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require File.expand_path('../../spec_helper', __FILE__)
describe "A Rescue node" do
rescue_empty = lambda do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :blah, 0, true
end
rb.condition :StandardError do
g.push :nil
end
end
end
relates "blah rescue nil" do
compile(&rescue_empty)
end
relates <<-ruby do
begin
blah
rescue
end
ruby
compile(&rescue_empty)
end
relates <<-ruby do
begin
a
rescue A
b
rescue B
c
rescue C
d
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :a, 0, true
end
rb.condition :A do
g.push :self
g.send :b, 0, true
end
rb.condition :B do
g.push :self
g.send :c, 0, true
end
rb.condition :C do
g.push :self
g.send :d, 0, true
end
end
end
end
relates <<-ruby do
begin
a
rescue => @e
c
d
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :a, 0, true
end
rb.condition :StandardError do
g.push_current_exception
g.set_ivar :@e
g.pop
g.push :self
g.send :c, 0, true
g.pop
g.push :self
g.send :d, 0, true
end
end
end
end
relates <<-ruby do
begin
a
rescue => e
c
d
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :a, 0, true
end
rb.condition :StandardError do
g.push_current_exception
g.set_local 0
g.pop
g.push :self
g.send :c, 0, true
g.pop
g.push :self
g.send :d, 0, true
end
end
end
end
relates <<-ruby do
begin
a
rescue => mes
# do nothing
end
begin
b
rescue => mes
# do nothing
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :a, 0, true
end
rb.condition :StandardError do
g.push_current_exception
g.set_local 0
g.pop
g.push :nil
end
end
g.pop
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :b, 0, true
end
rb.condition :StandardError do
g.push_current_exception
g.set_local 0
g.pop
g.push :nil
end
end
end
end
relates <<-ruby do
begin
blah
rescue RuntimeError => r
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push :self
g.send :blah, 0, true
end
rb.condition :RuntimeError do
g.push_current_exception
g.set_local 0
g.pop
g.push :nil
end
end
end
end
relates <<-ruby do
begin
1
rescue => @e
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push_current_exception
g.set_ivar :@e
g.pop
g.push :nil
end
end
end
end
relates <<-ruby do
begin
1
rescue
var = 2
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push 2
g.set_local 0
end
end
end
end
relates <<-ruby do
begin
1
rescue => e
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push_current_exception
g.set_local 0
g.pop
g.push :nil
end
end
end
end
relates <<-ruby do
begin
1
rescue
a.b = nil
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push :self
g.send :a, 0, true
g.push :nil
g.dup
g.move_down 2
g.send :b=, 1, false
g.pop
end
end
end
end
relates <<-ruby do
begin
1
rescue => e
var = 2
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push_current_exception
g.set_local 0
g.pop
g.push 2
g.set_local 1
end
end
end
end
relates <<-ruby do
begin
12
rescue String
13
else
14
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.condition :String do
g.push 13
end
rb.els do
g.pop
g.push 14
end
end
end
end
relates <<-ruby do
begin
12
rescue *blah
13
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.raw_condition do |bl, nl|
g.dup
g.push :self
g.send :blah, 0, true
g.cast_array
g.swap
g.send :__rescue_match__, 1
g.git bl
g.goto nl
bl.set!
g.pop
g.push 13
end
end
end
end
relates <<-ruby do
begin
12
rescue String, *blah
13
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.raw_condition do |body_label, next_label|
g.dup
g.push_const :String
g.swap
g.send :===, 1
g.git body_label
g.dup
g.push :self
g.send :blah, 0, true
g.cast_array
g.swap
g.send :__rescue_match__, 1
g.git body_label
g.goto next_label
body_label.set!
g.pop
g.push 13
end
end
end
end
relates <<-ruby do
begin
12
rescue *blah => e
13
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.raw_condition do |body_label,next_label|
g.dup
g.push :self
g.send :blah, 0, true
g.cast_array
g.swap
g.send :__rescue_match__, 1
g.git body_label
g.goto next_label
body_label.set!
g.pop
g.push_current_exception
g.set_local 0
g.pop
g.push 13
end
end
end
end
relates <<-ruby do
begin
12
rescue String, *blah => e
13
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.raw_condition do |body_label, next_label|
g.dup
g.push_const :String
g.swap
g.send :===, 1
g.git body_label
g.dup
g.push :self
g.send :blah, 0, true
g.cast_array
g.swap
g.send :__rescue_match__, 1
g.git body_label
g.goto next_label
body_label.set!
g.pop
g.push_current_exception
g.set_local 0
g.pop
g.push 13
end
end
end
end
relates <<-ruby do
begin
12
rescue String
return nil
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 12
end
rb.condition :String do
g.push :nil
rb.restore_exception
g.ret
end
end
end
end
relates <<-ruby do
begin
1
rescue
begin
2
rescue
return 3
end
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.for_rescue do |rb2|
rb2.body do
g.push 2
end
rb2.condition :StandardError do
g.push 3
g.push_stack_local 2
g.restore_exception_state
g.ret
end
end
end
end
end
end
relates <<-ruby do
begin
1
rescue
def x
return 2
end
x
end
ruby
compile do |g|
for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
g.push_rubinius
g.push_literal :x
d = new_generator(g, :x)
d.push 2
d.ret
d.ret
g.push_literal(d)
g.push_scope
g.push_variables
g.send :method_visibility, 0
g.send :add_defn_method, 4
g.pop
g.push :self
g.send :x, 0, true
end
end
end
end
relates <<-ruby do
begin
while 1
2
break :brk
end
rescue
3
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
top = g.new_label
bottom = g.new_label
brk = g.new_label
g.push_modifiers
top.set!
g.push 1
g.gif bottom
# redo
g.new_label.set!
g.push 2
g.pop
g.push_literal :brk
g.goto brk
g.pop
g.check_interrupts
g.goto top
bottom.set!
g.push :nil
brk.set!
g.pop_modifiers
end
rb.condition :StandardError do
g.push 3
end
end
end
end
relates <<-ruby do
begin
1
rescue
while 2
3
break :brk
end
end
ruby
compile do |g|
g.for_rescue do |rb|
rb.body do
g.push 1
end
rb.condition :StandardError do
top = g.new_label
bottom = g.new_label
brk = g.new_label
g.push_modifiers
top.set!
g.push 2
g.gif bottom
# redo
g.new_label.set!
g.push 3
g.pop
g.push_literal :brk
rb.break
g.pop
g.check_interrupts
g.goto top
bottom.set!
g.push :nil
brk.set!
g.pop_modifiers
end
end
end
end
end