Class: Spade::Runtime::Context

Inherits:
V8::Context
  • Object
show all
Defined in:
lib/spade/runtime/context.rb

Overview

Creates a basic context suitable for running modules. The environments setup in this context will mimic a browser worker thread context, including timeouts and a console. A navigator object is also defined that provides some general information about the context.

Direct Known Subclasses

MainContext

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Context

Load the spade and racer-loader.



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# File 'lib/spade/runtime/context.rb', line 29

def initialize(opts={})      
  @reactor = opts[:reactor]
  @verbose = opts[:verbose]
  super(opts) do |ctx|
    ctx['reactor'] = @reactor
    ctx['console'] = Console.new
    ctx['window']  = ctx.scope
    ctx.eval %[
      (function() {
        var r = reactor;
        setTimeout    = function(c,i) { return r.set_timeout(c,i); };
        setInterval   = function(c,i) { return r.set_interval(c,i); };
        clearTimeout  = function(t) { return r.clear_timeout(t); };
        clearInterval = function(t) { return r.clear_interval(t); };
        navigator     = {
          appName: 'spade',
          appVersion: "#{Spade::Runtime::VERSION}",
          platform: "#{RUBY_PLATFORM}",
          userAgent: 'spade #{Spade::Runtime::VERSION}; #{RUBY_PLATFORM}'
        }
        
        exit = function(status) { return r.exit(status || 0); };
      })();
    ]

    ctx['reactor'] = nil 
    
    yield(ctx) if block_given?
  end
end

Instance Attribute Details

#reactor ⇒ Object (readonly)

Returns the value of attribute reactor.



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# File 'lib/spade/runtime/context.rb', line 21

def reactor
  @reactor
end

#verbose ⇒ Object (readonly)

Returns the value of attribute verbose.



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# File 'lib/spade/runtime/context.rb', line 22

def verbose
  @verbose
end

Instance Method Details

#require(mod_name) ⇒ Object 



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# File 'lib/spade/runtime/context.rb', line 24

def require(mod_name)
  self.eval("require('#{mod_name}');");
end