Class: Opal::Nodes::EnsureNode
- Inherits:
-
Base
- Object
- Base
- Opal::Nodes::EnsureNode
show all
- Defined in:
- opal/lib/opal/nodes/rescue.rb
Instance Attribute Summary
Attributes inherited from Base
#compiler, #sexp, #type
#closure
Instance Method Summary
collapse
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile_to_fragments, #error, #expr, #expr?, #expr_or_empty, #expr_or_nil, #fragment, handle, handlers, #helper, #in_ensure, #in_ensure?, #in_resbody, #in_resbody?, #in_rescue, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #source_location, #stmt, #stmt?, #top_scope, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap
#closure_is?, #compile_catcher, #generate_thrower, #generate_thrower_without_catcher, #in_closure, #pop_closure, #push_closure, #select_closure, #thrower
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?
Instance Method Details
#body_sexp ⇒ Object
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# File 'opal/lib/opal/nodes/rescue.rb', line 65
def body_sexp
if wrap_in_closure?
compiler.returns(begn)
else
begn
end
end
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#compile ⇒ Object
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# File 'opal/lib/opal/nodes/rescue.rb', line 12
def compile
push_closure if wrap_in_closure?
push 'try {'
in_ensure do
line stmt(body_sexp)
end
line '} finally {'
indent do
if has_rescue_else?
unshift 'var $no_errors = true; '
line 'var $rescue_else_result;'
line 'if ($no_errors) { '
indent do
line '$rescue_else_result = (function() {'
indent do
line stmt(rescue_else_code)
end
line '})();'
end
line '}'
line compiler.process(ensr_sexp, @level)
line 'if ($no_errors) { return $rescue_else_result; }'
else
line compiler.process(ensr_sexp, @level)
end
end
line '}'
pop_closure if wrap_in_closure?
if wrap_in_closure?
if scope.await_encountered
wrap '(await (async function() { ', '; })())'
else
wrap '(function() { ', '; })()'
end
end
end
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#ensr_sexp ⇒ Object
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# File 'opal/lib/opal/nodes/rescue.rb', line 73
def ensr_sexp
ensr || s(:nil)
end
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#has_rescue_else? ⇒ Boolean
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# File 'opal/lib/opal/nodes/rescue.rb', line 87
def has_rescue_else?
@sexp.meta[:has_rescue_else]
end
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#rescue_else_code ⇒ Object
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# File 'opal/lib/opal/nodes/rescue.rb', line 81
def rescue_else_code
rescue_else_code = scope.rescue_else_sexp
rescue_else_code = compiler.returns(rescue_else_code) unless stmt?
rescue_else_code
end
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#wrap_in_closure? ⇒ Boolean
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# File 'opal/lib/opal/nodes/rescue.rb', line 77
def wrap_in_closure?
recv? || expr? || has_rescue_else?
end
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