Class: EleetScript::EleetScriptClassInstance

Inherits:
EleetScriptClassSkeleton show all
Defined in:
lib/lang/runtime/class_instance.rb

Instance Attribute Summary collapse

Attributes inherited from EleetScriptClassSkeleton

#memory, #ruby_value

Instance Method Summary collapse

Methods inherited from EleetScriptClassSkeleton

#class?, #eql?, #hash, #instance?, set_is_class, set_is_instance

Constructor Details

#initialize(class_context, runtime_class, namespace_context) ⇒ EleetScriptClassInstance

Returns a new instance of EleetScriptClassInstance.



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# File 'lib/lang/runtime/class_instance.rb', line 6

def initialize(class_context, runtime_class, namespace_context)
  @methods = MethodHash.new
  @instance_vars = ProcessedKeyHash.new
  @instance_vars.set_key_preprocessor do |key|
    key[0] == "@" ? key[1..-1] : key
  end
  @runtime_class = runtime_class
  @context = class_context.new_instance_context(self, namespace_context)
  @ruby_value = self
end

Instance Attribute Details

#context ⇒ Object

Returns the value of attribute context.



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# File 'lib/lang/runtime/class_instance.rb', line 3

def context
  @context
end

#instance_vars ⇒ Object

Returns the value of attribute instance_vars.



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# File 'lib/lang/runtime/class_instance.rb', line 3

def instance_vars
  @instance_vars
end

#methods ⇒ Object

Returns the value of attribute methods.



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# File 'lib/lang/runtime/class_instance.rb', line 3

def methods
  @methods
end

#runtime_class ⇒ Object

Returns the value of attribute runtime_class.



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# File 'lib/lang/runtime/class_instance.rb', line 3

def runtime_class
  @runtime_class
end

Instance Method Details

#call(method_name, arguments = []) ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 21

def call(method_name, arguments = [])
  method = find_method(method_name)
  call_method(method_name, method, arguments)
end

#class_name ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 71

def class_name
  @runtime_class.name
end

#es_responds_to?(method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lang/runtime/class_instance.rb', line 17

def es_responds_to?(method_name)
  !find_method(method_name).nil?
end

#find_method(method_name) ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 42

def find_method(method_name)
  method = @methods[method_name]
  if method.nil?
    method = @runtime_class.instance_lookup(method_name.to_s)
  end
  method
end

#inspect ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 54

def inspect
  to_s
end

#is_a?(*values) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lang/runtime/class_instance.rb', line 58

def is_a?(*values)
  names = ["Object", runtime_class.name]
  cur_class = runtime_class
  while cur_class.super_class.name != "Object"
    names << cur_class.super_class.name
    cur_class = cur_class.super_class
  end
  values.each do |value|
    return true if names.include?(value)
  end
  false
end

#super_call(method_name, arguments = []) ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 26

def super_call(method_name, arguments = [])
  kls = @runtime_class
  super_kls = kls.super_class
  if kls == super_kls
    str = @context['String'].new_with_value(
      "Cannot call super implementation for #{method_name} without a super class",
      @context
    )
    @context['Errors'].call(:<, str)
    @context['nil']
  else
    method = super_kls.instance_lookup(method_name)
    call_method(method_name, method, arguments)
  end
end

#to_s ⇒ Object 



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# File 'lib/lang/runtime/class_instance.rb', line 50

def to_s
  "<EleetScriptClassInstance @instance_of=\"#{runtime_class.name || "Unnamed"}\">"
end