for fortran meaning in English

语言的源码文件格式

In fact , they are so powerful that building compilers for fortran or c is child s play if you are fluent in lex and yacc
事实上，如果你熟练掌握lex和yacc的话，它们的强大功能使创建fortran和c的编译器如同儿戏。
There were no good integrated development environments for fortran that i knew of back then to help with this situation , so i cleaned up a lot of this old code by hand , and swore to write better new code - starting with good variable names
据我所知，当时并没有良好的fortran集成开发环境可用于帮助处理这种情况，因此我对很多这样的代码进行了手工清理，并保证编写更好的新代码从良好的变量名称开始。