Description: Analysis of the input process, the keywords, reserved words separate with the system identifier, and its properties are described. Create an array, read the word, the word of the ASCII code to judge the value in the ASCII code to distinguish a certain interval (using the if statement to determine), separately, the ASCII value of their range where different, giving different attributes (such as: the system of reserved words ...) After the lexical analyzer must be able to identify the+,-,= other characters. The input of the program statements for analysis. Defined for each single function of non-end point, defined its successor nodes. Then use a constructor to the function, so that subsequent nodes meet the definition of the syntax, or an error.
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词法分析器 语法分析器\cifa.EXE
.....................\FUN.CPP
.....................\yufa.cpp
.....................\yufa.EXE
.....................\~$分析器、语法分析器试验报告.doc
.....................\cifa.cpp
.....................\编译原理课程设计报告.doc
词法分析器 语法分析器
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