This procedure is a conditional statement to be translated and enter a conditional statement, for example: if B then C1 else C2, preceded by lexical analysis, lexical analysis of the main tasks are: characters one by one from left to right scan of the source code to create a In the words of the symbols, the source code as a string of symbols into strings of words among the procedures, lexical analysis is the basis of the compiler, lexical analysis of the function is to enter the source, the output word symbols (keywords, identifiers, constants, operator Fu, Fu-border), lexical analysis is complete, another LL (1) syntax analysis, semantic analysis, the final output quaternion type (syntax analysis, attribute grammar, style quaternion description of knowledge and technology related to the following)

0120410680303-王光亮
....................\IF-ELSE条件语句的翻译程序设计（LL（1）法、输出四元式）
....................\......................................................\change.h
....................\......................................................\input.txt
....................\......................................................\LEXoutput.txt
....................\......................................................\output.txt
....................\......................................................\新建 文本文档 (2).txt
....................\......................................................\新建 文本文档.txt
....................\......................................................\词法分析.h
....................\......................................................\课程设计.cpp
....................\报告
....................\....\if语句的翻译.doc

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