Class: Function

Inherits:
ErbPP show all
Defined in:
lib/erbpp.rb

Overview

Direct Known Subclasses

Allocate, ModuleFunction, NodefFunction

Constant Summary collapse

DEFS = 
[]

Constants inherited from ErbPP

ErbPP::ATTRS

Instance Attribute Summary

Attributes inherited from ErbPP

#children, #parent

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ErbPP

#add_child, #attr_method, #attrs, #check_params, define_attrs, #description, #find, #find_tmpl, #get, #has_attr?, #init_def, #load_erb, #method_missing, #method_missing_alias, #parents, #result, #run, #search_method_in_parents, #set, #write

Constructor Details

#initialize(parent, tmpl, **opts) ⇒ Function

Returns a new instance of Function.



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# File 'lib/erbpp.rb', line 168

def initialize(parent,tmpl,**opts)
  super
  @aliases = opts[:aliases] || []
  parent.tmpl_dirs.each do |d|
    @erb_path = File.join(d, tmpl+".c")
    break if File.exist?(@erb_path)
  end
  DEFS.push(self)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ErbPP

Class Method Details

.codes ⇒ Object 



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# File 'lib/erbpp.rb', line 222

def self.codes
  a = []
  DEFS.each do |i|
    x = i.code
    a.push(x) if x
  end
  a
end

.definitions ⇒ Object 



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# File 'lib/erbpp.rb', line 231

def self.definitions
  a = []
  DEFS.each do |i|
    case x = i.definition
    when Array
      a.concat(x)
    when String
      a.push(x)
    else
      raise "unknown definition: #{x}" if x
    end
  end
  a
end

Instance Method Details

#c_func ⇒ Object Also known as: c_function, c_instance_method 



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# File 'lib/erbpp.rb', line 192

def c_func
  s = singleton ? "_s" : ""
  begin
    t = "_"+type_name
  rescue
    t = ""
  end
  "numo#{t}#{s}_#{method}"
end

#c_iter ⇒ Object Also known as: c_iterator 



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# File 'lib/erbpp.rb', line 182

def c_iter
  begin
    t = "_"+type_name
  rescue
    t = ""
  end
  "iter#{t}_#{method}"
end

#c_method ⇒ Object 



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# File 'lib/erbpp.rb', line 178

def c_method
  "#{m_prefix}#{method}"
end

#code ⇒ Object 



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# File 'lib/erbpp.rb', line 208

def code
  result + "\n\n"
end

#definition ⇒ Object 



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# File 'lib/erbpp.rb', line 212

def definition
  return nil if n_arg <= -9
  s = singleton ? "_singleton" : ""
  check_params(:mod_var, :op_map, :c_func, :n_arg)
  m = op_map
  a = ["rb_define#{s}_method(#{mod_var}, \"#{m}\", #{c_func}, #{n_arg});"]
  @aliases.map{|x| a << "rb_define_alias(#{mod_var}, \"#{x}\", \"#{m}\");"}
  a
end

#id_op ⇒ Object 



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# File 'lib/erbpp.rb', line 156

def id_op
  if op.size == 1
    "'#{op}'"
  else
    "id_#{method}"
  end
end

#method ⇒ Object 



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# File 'lib/erbpp.rb', line 164

def method
  meth.gsub(/\?/,"_p").gsub(/\!/,"_bang")
end

#op_map ⇒ Object 



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# File 'lib/erbpp.rb', line 204

def op_map
  @op || meth
end