Class: Rubex::AST::Expression::CVarElementRef

Inherits:
AnalysedElementRef show all
Defined in:
lib/rubex/ast/expression/analysed_element_ref/c_var_element_ref.rb

Instance Attribute Summary

Attributes inherited from Base

#entry, #type, #typecast

Instance Method Summary collapse

Methods inherited from AnalysedElementRef

#c_code, #initialize

Methods inherited from Base

#allocate_temp, #allocate_temps, #analyse_for_target_type, #c_code, #expression?, #from_ruby_object, #generate_and_dispose_subexprs, #generate_disposal_code, #has_temp, #possible_typecast, #release_temp, #release_temps, #to_ruby_object

Constructor Details

This class inherits a constructor from Rubex::AST::Expression::AnalysedElementRef

Instance Method Details

#analyse_types(local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/analysed_element_ref/c_var_element_ref.rb', line 5

def analyse_types(local_scope)
  if @pos.size > 1
    raise "C array can only accept 1 arg. Not #{@pos.size}"
  end
  @pos.analyse_types local_scope
  @subexprs << @pos
end

#generate_assignment_code(rhs, code, local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/analysed_element_ref/c_var_element_ref.rb', line 23

def generate_assignment_code(rhs, code, local_scope)
 generate_and_dispose_subexprs(code, local_scope) do
    code << "#{@entry.c_name}[#{@pos[0].c_code(local_scope)}] = "
    code << "#{rhs.c_code(local_scope)};"
    code.nl
  end
end

#generate_element_ref_code(_expr, code, local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/analysed_element_ref/c_var_element_ref.rb', line 19

def generate_element_ref_code(_expr, code, local_scope)
  generate_evaluation_code code, local_scope
end

#generate_evaluation_code(code, local_scope) ⇒ Object 



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# File 'lib/rubex/ast/expression/analysed_element_ref/c_var_element_ref.rb', line 13

def generate_evaluation_code(code, local_scope)
  generate_and_dispose_subexprs(code, local_scope) do
    @c_code = "#{@entry.c_name}[#{@pos[0].c_code(local_scope)}]"
  end
end