采用C#编写的编译器，只是原理性说明，采用SLR表分析，最终生成4元式和符号表 本编译器是语法无关的，即能够通过文本随时重新编辑语法-Written by C# compiler, only principle of explanation, using SLR table analysis, the final generation 4 yuan type and symbol table of the compiler is syntax independent, that is, at