out.txt

c语言词法分析程序的实现

KEYWORD		void
ID		main
SYMBOL		(
SYMBOL		)
SYMBOL		{
KEYWORD		int
ID		length
SYMBOL		;
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ID		length
SYMBOL		=
NUMBER		123
SYMBOL		;
KEYWORD		int
ID		width
SYMBOL		;
ID		width
SYMBOL		=
there is a error 456abc in line 9
SYMBOL		;
KEYWORD		int
there is a error height23 in line 11
SYMBOL		;
KEYWORD		int
ID		square
SYMBOL		;
KEYWORD		int
ID		girth
SYMBOL		=
SYMBOL		(
ID		length
SYMBOL		+
ID		width
SYMBOL		)
SYMBOL		*
NUMBER		2
SYMBOL		;
KEYWORD		if
SYMBOL		(
ID		length
SYMBOL		!=
ID		width
SYMBOL		)
ID		square
SYMBOL		=
ID		length
SYMBOL		*
ID		length
SYMBOL		;
KEYWORD		while
SYMBOL		(
ID		length
SYMBOL		>=
ID		width
SYMBOL		)
SYMBOL		{
ID		lenth
SYMBOL		=
ID		lenth
SYMBOL		-
NUMBER		1
SYMBOL		;
SYMBOL		}
SYMBOL		}