一个语法编译程序,包括词法分析器、语法分析器以及实现对简单程序设计语言中的逻辑运算表达式、算术运算表达式、赋值语句、IF语句、While语句以及do…while语句进行编译，并生成中间代码和直接生汇编指令的代码生成器-a english compile-A grammar compiler, including the lexical analyzer, parser, and the expression of logical operations in a simple programming language, arithmetic expressions, assignment statements, the IF statement, While statement and do ... while statement to compile and generate compilation of intermediate code, and direct health instruction code generation-a english compile