Class: Rubex::AST::TopStatement::MethodDef

Inherits:
Object
  • Object
show all
Includes:
Helpers::Writers
Defined in:
lib/rubex/ast/top_statement/method_def.rb

Direct Known Subclasses

CFunctionDef, RubyMethodDef

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers::Writers

#declare_carrays, #declare_ruby_objects, #declare_temps, #declare_types, #declare_vars, #sue_footer, #sue_header, #write_char_2_ruby_str_code, #write_char_2_ruby_str_header, #write_usability_functions_code, #write_usability_functions_header, #write_usability_macros

Constructor Details

#initialize(name, arg_list, statements) ⇒ MethodDef

Returns a new instance of MethodDef.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 20

def initialize(name, arg_list, statements)
  @name = name
  @arg_list = arg_list
  @statements = statements
  @self_name = Rubex::ARG_PREFIX + 'self'
end

Instance Attribute Details

#arg_list ⇒ Object

Method arguments. Accessor because arguments need to be modified in

case of auxillary C functions of attach classes.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 10

def arg_list
  @arg_list
end

#entry ⇒ Object (readonly)

Symbol Table entry.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 14

def entry
  @entry
end

#name ⇒ Object (readonly)

Ruby name of the method.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 7

def name
  @name
end

#scope ⇒ Object (readonly)

Instance of Scope::Local for this method.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 16

def scope
  @scope
end

#self_name ⇒ Object (readonly)

Variable name that identifies ‘self’



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 18

def self_name
  @self_name
end

#statements ⇒ Object (readonly)

The statments/expressions contained within the method.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 12

def statements
  @statements
end

Instance Method Details

#analyse_statement(outer_scope) ⇒ Object 



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 27

def analyse_statement(outer_scope)
  @entry = outer_scope.find @name
  @scope = @entry.type.scope
  @scope.type = @entry.type
  @scope.self_name = @self_name
  @arg_list = @entry.type.arg_list
  @statements.each do |stat|
    stat.analyse_statement @scope
  end
end

#generate_code(code, c_function: false) ⇒ Object

Option c_function - When set to true, certain code that is not required

for Ruby methods will be generated too.



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 40

def generate_code(code, c_function: false)
  code.block do
    generate_function_definition code, c_function: c_function
  end
end

#rescan_declarations(_scope) ⇒ Object 



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# File 'lib/rubex/ast/top_statement/method_def.rb', line 46

def rescan_declarations(_scope)
  @statements.each do |stat|
    stat.respond_to?(:rescan_declarations) &&
      stat.rescan_declarations(@scope)
  end
end