宏定义
#define	popinput() (inputptr--, cur_input = inputstack[inputptr])

#define	backlist(x) begintokenlist((x), BACKED_UP)

#define	inslist(x) begintokenlist((x), INSERTED)

函数
void	begintokenlist (HalfWord p, QuarterWord t)

void	endtokenlist (void)
	[#324] leave a token-list input level 更多...

void	backinput (void)
	[#325] undoes one token of input 更多...

void	backerror (void)
	[#327] back up one token and call error 更多...

void	inserror (void)
	[#327] back up one inserted token and call error 更多...

void	beginfilereading (void)
	[#328] starts a new level of input for lines of characters to be read from a file, or as an insertion from the terminal. 更多...

void	endfilereading (void)
	[#329] variables must be downdated when such a level of input is finished 更多...

void	clearforerrorprompt (void)
	[#330] removes completed error-inserted lines from memory 更多...

Boolean	init_lexer (void)
	[#331] 初始化变量更多...

详细描述

宏定义说明

#define backlist ( x ) begintokenlist((x), BACKED_UP)

#define inslist ( x ) begintokenlist((x), INSERTED)

#define popinput ( ) (inputptr--, cur_input = inputstack[inputptr])

void backerror ( void )

[#327] back up one token and call error

void backinput ( void )

[#325] undoes one token of input

void beginfilereading ( void )

[#328] starts a new level of input for lines of characters to be read from a file, or as an insertion from the terminal.

void clearforerrorprompt ( void )

[#330] removes completed error-inserted lines from memory

void endfilereading ( void )

[#329] variables must be downdated when such a level of input is finished

void endtokenlist ( void )

[#324] leave a token-list input level

Boolean init_lexer ( void )

[#331] 初始化变量

[#331]: Initialize the input routines

void inserror ( void )

[#327] back up one inserted token and call error