Class: Ruby2CExtension::Plugins::DirectSelfCall

Inherits:
Ruby2CExtension::Plugin show all
Includes:
Util
Defined in:
lib/ruby2cext/plugins/direct_self_call.rb

Constant Summary collapse

@@only_private = 
true

Instance Attribute Summary

Attributes inherited from Ruby2CExtension::Plugin

#compiler

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Util

#args_arity, #deduce_type, #split_args, #values

Methods inherited from Ruby2CExtension::Plugin

#global_c_code, #init_c_code

Constructor Details

#initialize(compiler) ⇒ DirectSelfCall

Returns a new instance of DirectSelfCall.



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# File 'lib/ruby2cext/plugins/direct_self_call.rb', line 33

def initialize(compiler)
    super
    @ruby2c_method = {}
    @scope = nil
    compiler.add_preprocessor(:defn) { |cfun, node|
        scope0 = @scope
        hash = node.last
        mid = hash[:mid]
        @scope = cfun
        name0 = "\0#{cfun.__id__}\0#{mid}\0"
        name = name0.clone
        @ruby2c_method[[cfun,mid]] = name
        _add_fun = compiler.method(:add_fun)
        klass = (class << compiler;self;end)
        klass.send(:define_method, :add_fun) { |code, base_name|
            name.replace(_add_fun[code, base_name])
            code.gsub!(name0, name)
            name.clone
        }
        ret = cfun.comp_defn(hash)
        if @@only_private
          unless cfun.scope.vmode.equal?(:private)
            @ruby2c_method.delete([cfun,mid]) # pretend we never even saw this method...
          end
        end
        @scope = scope0
        klass.send(:define_method, :add_fun, _add_fun.unbind)
        ret
    }
    compiler.add_preprocessor(:call, &method(:call))
    compiler.add_preprocessor(:vcall, &method(:call))
    compiler.add_preprocessor(:fcall, &method(:call))
end

Class Method Details

.allow_public_methods ⇒ Object 



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# File 'lib/ruby2cext/plugins/direct_self_call.rb', line 11

def DirectSelfCall.allow_public_methods
  @@only_private = false
end

Instance Method Details

#call(cfun, node) ⇒ Object 



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# File 'lib/ruby2cext/plugins/direct_self_call.rb', line 15

def call(cfun, node)
    hash = node.last
    recv = hash[:recv]
    return node if recv && (!(Array === recv) || !recv.first.equal?(:self))
    mid = hash[:mid]
    name = @ruby2c_method[[@scope,mid]]
    return node unless name
    args = hash[:args] || [:array, []]
    if Array == args and args.first.equal?(:array) and args.last.empty?
        "#{name}(0, 0, #{cfun.get_self})"
    else
        cfun.c_scope_res {
            cfun.build_args(args)
            "#{name}(argc, argv, #{cfun.get_self})"
        }
    end
end