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require 'jruby' | ||
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class Method | ||
def parameters | ||
self_r = JRuby.reference0(self) | ||
method = self_r.get_method | ||
args_ary = [] | ||
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case method | ||
when MethodArgs2 | ||
return RuntimeHelpers.parameter_list_to_parameters(JRuby.runtime, method.parameter_list, true) | ||
when MethodArgs | ||
args_node = method.args_node | ||
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# "pre" required args | ||
required_pre = args_node.pre | ||
if required_pre | ||
for req_pre_arg in required_pre.child_nodes | ||
if req_pre_arg.kind_of? MultipleAsgn19Node | ||
args_ary << [:req] | ||
else | ||
args_ary << [:req, req_pre_arg ? req_pre_arg.name.intern : nil] | ||
end | ||
end | ||
end | ||
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# optional args in middle | ||
optional = args_node.opt_args | ||
if optional | ||
for opt_arg in optional.child_nodes | ||
args_ary << [:opt, opt_arg ? opt_arg.name.intern : nil] | ||
end | ||
end | ||
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# rest arg | ||
if args_node.rest_arg >= 0 | ||
rest = args_node.rest_arg_node | ||
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if rest.kind_of? UnnamedRestArgNode | ||
if rest.star? | ||
args_ary << [:rest] | ||
end | ||
else | ||
args_ary << [:rest, rest ? rest.name.intern : nil] | ||
end | ||
end | ||
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# "post" required args | ||
required_post = args_node.post | ||
if required_post | ||
for req_post_arg in required_post.child_nodes | ||
if req_post_arg.kind_of? MultipleAsgn19Node | ||
args_ary << [:req] | ||
else | ||
args_ary << [:req, req_post_arg ? req_post_arg.name.intern : nil] | ||
end | ||
end | ||
end | ||
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# block arg | ||
block = args_node.block | ||
if block | ||
args_ary << [:block, block.name.intern] | ||
end | ||
else | ||
if method.arity == Arity::OPTIONAL | ||
args_ary << [:rest] | ||
end | ||
end | ||
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args_ary | ||
end | ||
end |