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Add initial truthy? and falsy? inlined compiler helpers (#419)
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Original file line number | Diff line number | Diff line change |
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require 'set' | ||
require 'opal/nodes/base' | ||
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module Opal | ||
module Nodes | ||
class RuntimeHelpers < Base | ||
HELPERS = Set.new | ||
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children :recvr, :meth, :arglist | ||
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def self.compatible?(recvr, meth, arglist) | ||
recvr == [:const, :Opal] and HELPERS.include?(meth.to_sym) | ||
end | ||
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def self.helper(name, &block) | ||
HELPERS << name | ||
define_method("compile_#{name}", &block) | ||
end | ||
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def compile | ||
if HELPERS.include?(meth.to_sym) | ||
__send__("compile_#{meth}") | ||
else | ||
raise "Helper not supported: #{meth}" | ||
end | ||
end | ||
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helper :truthy? do | ||
unless sexp = arglist[1] | ||
raise "truthy? requires an object" | ||
end | ||
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js_truthy(sexp) | ||
end | ||
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helper :falsy? do | ||
unless sexp = arglist[1] | ||
raise "falsy? requires an object" | ||
end | ||
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js_falsy(sexp) | ||
end | ||
end | ||
end | ||
end |
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