class ExecJS::RubyRhinoRuntime::Context
Public Class Methods
new(runtime, source = "")
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# File lib/execjs/ruby_rhino_runtime.rb, line 6 def initialize(runtime, source = "") source = encode(source) @rhino_context = ::Rhino::Context.new fix_memory_limit! @rhino_context @rhino_context.eval(source) end
Public Instance Methods
call(properties, *args)
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# File lib/execjs/ruby_rhino_runtime.rb, line 36 def call(properties, *args) unbox @rhino_context.eval(properties).call(*args) rescue ::Rhino::JSError => e if e.message == "syntax error" raise RuntimeError, e.message else raise ProgramError, e.message end end
eval(source, options = {})
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# File lib/execjs/ruby_rhino_runtime.rb, line 22 def eval(source, options = {}) source = encode(source) if /\S/ =~ source unbox @rhino_context.eval("(#{source})") end rescue ::Rhino::JSError => e if e.message =~ /^syntax error/ raise RuntimeError, e.message else raise ProgramError, e.message end end
exec(source, options = {})
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# File lib/execjs/ruby_rhino_runtime.rb, line 14 def exec(source, options = {}) source = encode(source) if /\S/ =~ source eval "(function(){#{source}})()", options end end
unbox(value)
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# File lib/execjs/ruby_rhino_runtime.rb, line 46 def unbox(value) case value = ::Rhino::to_ruby(value) when Java::OrgMozillaJavascript::NativeFunction nil when Java::OrgMozillaJavascript::NativeObject value.inject({}) do |vs, (k, v)| case v when Java::OrgMozillaJavascript::NativeFunction, ::Rhino::JS::Function nil else vs[k] = unbox(v) end vs end when Array value.map { |v| unbox(v) } else value end end
Private Instance Methods
fix_memory_limit!(context)
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Disables bytecode compiling which limits you to 64K scripts
# File lib/execjs/ruby_rhino_runtime.rb, line 69 def fix_memory_limit!(context) if context.respond_to?(:optimization_level=) context.optimization_level = -1 else context.instance_eval { @native.setOptimizationLevel(-1) } end end