Class: V8::Context
Instance Attribute Summary collapse
-
#access ⇒ Object
readonly
Returns the value of attribute access.
-
#native ⇒ Object
readonly
Returns the value of attribute native.
-
#scope ⇒ Object
readonly
Returns the value of attribute scope.
Class Method Summary collapse
Instance Method Summary collapse
- #[](key) ⇒ Object
- #[]=(key, value) ⇒ Object
- #eval(javascript, filename = "<eval>", line = 1) ⇒ Object
- #evaluate(*args) ⇒ Object
-
#initialize(opts = {}) {|_self| ... } ⇒ Context
constructor
A new instance of Context.
- #load(filename) ⇒ Object
Constructor Details
#initialize(opts = {}) {|_self| ... } ⇒ Context
Returns a new instance of Context.
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# File 'lib/v8/context.rb', line 6 def initialize(opts = {}) @access = Access.new @to = Portal.new(self, @access) @native = opts[:with] ? C::Context::New(@to.rubytemplate) : C::Context::New() @native.enter do @scope = @to.rb(@native.Global()) @native.Global().SetHiddenValue(C::String::New("TheRubyRacer::RubyObject"), C::External::New(opts[:with])) if opts[:with] end yield(self) if block_given? end |
Instance Attribute Details
#access ⇒ Object (readonly)
Returns the value of attribute access.
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# File 'lib/v8/context.rb', line 5 def access @access end |
#native ⇒ Object (readonly)
Returns the value of attribute native.
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# File 'lib/v8/context.rb', line 5 def native @native end |
#scope ⇒ Object (readonly)
Returns the value of attribute scope.
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# File 'lib/v8/context.rb', line 5 def scope @scope end |
Class Method Details
.eval(source) ⇒ Object
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# File 'lib/v8/context.rb', line 60 def self.eval(source) new.eval(source) end |
Instance Method Details
#[](key) ⇒ Object
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# File 'lib/v8/context.rb', line 52 def [](key) @scope[key] end |
#[]=(key, value) ⇒ Object
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# File 'lib/v8/context.rb', line 56 def []=(key, value) @scope[key] = value end |
#eval(javascript, filename = "<eval>", line = 1) ⇒ Object
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# File 'lib/v8/context.rb', line 17 def eval(javascript, filename = "<eval>", line = 1) if IO === javascript || StringIO === javascript javascript = javascript.read() end err = nil value = nil C::TryCatch.try do |try| @native.enter do script = C::Script::Compile(@to.v8(javascript.to_s), @to.v8(filename.to_s)) if try.HasCaught() err = JSError.new(try, @to) else result = script.Run() if try.HasCaught() err = JSError.new(try, @to) else value = @to.rb(result) end end end end raise err if err return value end |
#evaluate(*args) ⇒ Object
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# File 'lib/v8/context.rb', line 42 def evaluate(*args) self.eval(*args) end |
#load(filename) ⇒ Object
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# File 'lib/v8/context.rb', line 46 def load(filename) File.open(filename) do |file| evaluate file, filename, 1 end end |