class ExecJS::RubyRacerRuntime::Context
Public Class Methods
new(runtime, source = "", options = {})
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# File lib/execjs/ruby_racer_runtime.rb, line 6 def initialize(runtime, source = "", options = {}) source = encode(source) lock do @v8_context = ::V8::Context.new begin @v8_context.eval(source) rescue ::V8::JSError => e raise wrap_error(e) end end end
Public Instance Methods
call(properties, *args)
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# File lib/execjs/ruby_racer_runtime.rb, line 42 def call(properties, *args) lock do begin unbox @v8_context.eval(properties).call(*args) rescue ::V8::JSError => e raise wrap_error(e) end end end
eval(source, options = {})
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# File lib/execjs/ruby_racer_runtime.rb, line 28 def eval(source, options = {}) source = encode(source) if /\S/ =~ source lock do begin unbox @v8_context.eval("(#{source})") rescue ::V8::JSError => e raise wrap_error(e) end end end end
exec(source, options = {})
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# File lib/execjs/ruby_racer_runtime.rb, line 20 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_racer_runtime.rb, line 52 def unbox(value) case value when ::V8::Function nil when ::V8::Array value.map { |v| unbox(v) } when ::V8::Object value.inject({}) do |vs, (k, v)| vs[k] = unbox(v) unless v.is_a?(::V8::Function) vs end when String value.force_encoding('UTF-8') else value end end
Private Instance Methods
lock() { || ... }
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# File lib/execjs/ruby_racer_runtime.rb, line 71 def lock result, exception = nil, nil V8::C::Locker() do begin result = yield rescue Exception => e exception = e end end if exception raise exception else result end end
wrap_error(e)
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# File lib/execjs/ruby_racer_runtime.rb, line 88 def wrap_error(e) error_class = e.value["name"] == "SyntaxError" ? RuntimeError : ProgramError stack = e.value["stack"] || "" stack = stack.split("\n") stack.shift stack = [e.message[/<eval>:\d+:\d+/, 0]].compact if stack.empty? stack = stack.map { |line| line.sub(" at ", "").sub("<eval>", "(execjs)").strip } error = error_class.new(e.value.to_s) error.set_backtrace(stack + caller) error end