Class: Rubex::AST::Statement::Assign

Inherits:
Base
  • Object
show all
Defined in:
lib/rubex/ast/statement/assign.rb

Instance Attribute Summary

Attributes inherited from Base

#location

Instance Method Summary collapse

Methods inherited from Base

#==, #statement?

Constructor Details

#initialize(lhs, rhs, location) ⇒ Assign

Returns a new instance of Assign.



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# File 'lib/rubex/ast/statement/assign.rb', line 5

def initialize(lhs, rhs, location)
  super(location)
  @lhs = lhs
  @rhs = rhs
end

Instance Method Details

#analyse_statement(local_scope) ⇒ Object 



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# File 'lib/rubex/ast/statement/assign.rb', line 11

def analyse_statement(local_scope)
  if @lhs.is_a?(Rubex::AST::Expression::Name)
    @lhs.analyse_declaration @rhs, local_scope
  else
    @lhs.analyse_types(local_scope)
  end
  @lhs.allocate_temps local_scope
  @rhs.analyse_for_target_type(@lhs.type, local_scope)
  @rhs = Helpers.to_lhs_type(@lhs, @rhs)
  @rhs.allocate_temps local_scope

  @lhs.release_temps local_scope
  @rhs.release_temps local_scope
end

#generate_code(code, local_scope) ⇒ Object 



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# File 'lib/rubex/ast/statement/assign.rb', line 26

def generate_code(code, local_scope)
  super
  @rhs.generate_evaluation_code code, local_scope
  @lhs.generate_assignment_code @rhs, code, local_scope
  @rhs.generate_disposal_code code
end