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博客园 - 阿飞外传

ruby-core 简单rails开发环境 关于MDA的长期等待 Is MOF the kernel language of MDA langs family graduated 语言内实例表示机制 类型信息隐藏 MOF自描述 图模式-续 符号软件工程(SSE) next MDA? Algebra operator declaration 's UML profile 应用元建模读书笔记 再谈实例化和图转换 EclipseUML2.0::Class的接口 主题与模型 MDA轮廓 UML::Element的代数规范 UML::InstanceValue是元类吗 MDA is a big reflection i need a job CGN的IP之父访谈的两句话
A sample of writing a loop in Action Semantic codes
阿飞外传 · 2004-11-07 · via 博客园 - 阿飞外传

int i = 0;

for(; i<10; ++i)

{ do something; }

   allocate a cell  -- 这里没有类型化的内存分配

then

   bind i to the given Cell

then

   give the Cell bound to i

then

   store the value of 0 in the given Cell -- 注意这里0是字符值

then

   unfolding

give the Integer bound to i

        and then give(the given Integer is less than the value of 10)

           then

                check(the given TruthValue is true)

                   and then execute do something

                      and then give the Integer bound to i

                         and then give sum(the value of 1, the given Integer)

                            and then store the given Integer in the Cell bound to i

                              and then unfold

            or

check(the given TrueValue is false) and then complete

and then, and, then, or的语义示意图: