Module: FastRuby::VariabeTranslator

Defined in:
lib/fastruby/translator/modules/variable.rb

Instance Method Summary collapse

Instance Method Details

#to_c_cdecl(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 58

def to_c_cdecl(tree)
  if tree[1].instance_of? Symbol
    inline_block "
      // set constant #{tree[1].to_s}
      VALUE val = #{to_c tree[2]};
      rb_const_set(rb_cObject, #{intern_num tree[1]}, val);
      return val;
      "
  elsif tree[1].instance_of? FastRuby::FastRubySexp

    if tree[1].node_type == :colon2
      inline_block "
        // set constant #{tree[1].to_s}
        VALUE val = #{to_c tree[2]};
        VALUE klass = #{to_c tree[1][1]};
        rb_const_set(klass, #{intern_num tree[1][2]}, val);
        return val;
        "
    elsif tree[1].node_type == :colon3
      inline_block "
        // set constant #{tree[1].to_s}
        VALUE val = #{to_c tree[2]};
        rb_const_set(rb_cObject, #{intern_num tree[1][1]}, val);
        return val;
        "
    end
  end
end

#to_c_colon2(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 91

def to_c_colon2(tree)
  inline_block "
    VALUE klass = #{to_c tree[1]};

  if (rb_is_const_id(#{intern_num tree[2]})) {
    switch (TYPE(klass)) {
      case T_CLASS:
      case T_MODULE:
        return rb_const_get_from(klass, #{intern_num tree[2]});
        break;
      default:
        #{_raise("rb_eTypeError","not a class/module")};
        break;
    }
  }
  else {
    return rb_funcall(klass, #{intern_num tree[2]}, 0, 0);
  }

    return Qnil;
  "
end

#to_c_colon3(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 87

def to_c_colon3(tree)
  "rb_const_get_from(rb_cObject, #{intern_num tree[1]})"
end

#to_c_const(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 54

def to_c_const(tree)
  "rb_const_get(CLASS_OF(plocals->self), #{intern_num(tree[1])})"
end

#to_c_cvar(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 26

def to_c_cvar(tree)
  "rb_cvar_get(CLASS_OF(plocals->self) != rb_cClass ? CLASS_OF(plocals->self) : plocals->self,#{intern_num tree[1]})"
end

#to_c_cvasgn(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 30

def to_c_cvasgn(tree)
  "__rb_cvar_set(CLASS_OF(plocals->self) != rb_cClass ? CLASS_OF(plocals->self) : plocals->self,#{intern_num tree[1]},#{to_c tree[2]},Qfalse)"
end

#to_c_defined(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 144

def to_c_defined(tree)
  nt = tree[1].node_type

  if nt == :self
  'rb_str_new2("self")'
  elsif nt == :true
  'rb_str_new2("true")'
  elsif nt == :false
  'rb_str_new2("false")'
  elsif nt == :nil
  'rb_str_new2("nil")'
  elsif nt == :lvar
  'rb_str_new2("local-variable")'
  elsif nt == :gvar
  "rb_gvar_defined((struct global_entry*)#{global_entry(tree[1][1])}) ? #{literal_value "global-variable"} : Qnil"
  elsif nt == :const
  "rb_const_defined(rb_cObject, #{intern_num tree[1][1]}) ? #{literal_value "constant"} : Qnil"
  elsif nt == :call
  "rb_method_node(CLASS_OF(#{to_c tree[1][1]}), #{intern_num tree[1][2]}) ? #{literal_value "method"} : Qnil"
  elsif nt == :yield
    "rb_block_given_p() ? #{literal_value "yield"} : Qnil"
  elsif nt == :ivar
  "rb_ivar_defined(plocals->self,#{intern_num tree[1][1]}) ? #{literal_value "instance-variable"} : Qnil"
  elsif nt == :attrset or
        nt == :op_asgn1 or
        nt == :op_asgn2 or
        nt == :op_asgn_or or
        nt == :op_asgn_and or
        nt == :op_asgn_masgn or
        nt == :masgn or
        nt == :lasgn or
        nt == :dasgn or
        nt == :dasgn_curr or
        nt == :gasgn or
        nt == :iasgn or
        nt == :cdecl or
        nt == :cvdecl or
        nt == :cvasgn
    literal_value "assignment"
  else
    literal_value "expression"
  end
end

#to_c_gasgn(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 42

def to_c_gasgn(tree)
  "_rb_gvar_set((void*)#{global_entry(tree[1])}, #{to_c tree[2]})"
end

#to_c_gvar(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 34

def to_c_gvar(tree)
  if (tree[1] == :$!)
    "pframe->thread_data->exception"
  else
    "rb_gvar_get((struct global_entry*)#{global_entry(tree[1])})"
  end
end

#to_c_iasgn(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 50

def to_c_iasgn(tree)
  "_rb_ivar_set(#{locals_accessor}self,#{intern_num tree[1]},#{to_c tree[2]})"
end

#to_c_ivar(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 46

def to_c_ivar(tree)
  "rb_ivar_get(#{locals_accessor}self,#{intern_num tree[1]})"
end

#to_c_lasgn(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 114

def to_c_lasgn(tree)
  if options[:validate_lvar_types]
    klass = @infer_lvar_map[tree[1]]
    if klass

      verify_type_function = proc { |name| "
        static VALUE #{name}(VALUE arg, void* pframe ) {
          if (CLASS_OF(arg)!=#{literal_value klass}) {
            #{_raise(literal_value(FastRuby::TypeMismatchAssignmentException), "Illegal assignment at runtime (type mismatch)")};
          }
          return arg;
        }
      "
      }


      "_lvar_assing(&#{locals_accessor}#{tree[1]}, #{anonymous_function(&verify_type_function)}(#{to_c tree[2]},pframe))"
    else
      "_lvar_assing(&#{locals_accessor}#{tree[1]},#{to_c tree[2]})"
    end
  else
    "_lvar_assing(&#{locals_accessor}#{tree[1]},#{to_c tree[2]})"
  end
end

#to_c_lvar(tree) ⇒ Object 



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# File 'lib/fastruby/translator/modules/variable.rb', line 139

def to_c_lvar(tree)
  locals_accessor + tree[1].to_s
end