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require "execjs/runtime"
module ExecJS
class MustangRuntime < Runtime
class Context < Runtime::Context
def initialize(runtime, source = "")
source = encode(source)
@v8_context = ::Mustang::Context.new
@v8_context.eval(source)
end
def exec(source, options = {})
source = encode(source)
if /\S/ =~ source
eval "(function(){#{source}})()", options
end
end
def eval(source, options = {})
source = encode(source)
if /\S/ =~ source
unbox @v8_context.eval("(#{source})")
end
end
def call(properties, *args)
unbox @v8_context.eval(properties).call(*args)
rescue NoMethodError => e
raise ProgramError, e.message
end
def unbox(value)
case value
when Mustang::V8::Array
value.map { |v| unbox(v) }
when Mustang::V8::Boolean
value.to_bool
when Mustang::V8::NullClass, Mustang::V8::UndefinedClass
nil
when Mustang::V8::Function
nil
when Mustang::V8::SyntaxError
raise RuntimeError, value.message
when Mustang::V8::Error
raise ProgramError, value.message
when Mustang::V8::Object
value.inject({}) { |h, (k, v)|
v = unbox(v)
h[k] = v if v
h
}
else
value.respond_to?(:delegate) ? value.delegate : value
end
end
end
def name
"Mustang (V8)"
end
def available?
require "mustang"
true
rescue LoadError
false
end
def deprecated?
true
end
end
end
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