编译原理语法图
2016-11-21 23:26:04 0 举报afdsa
作者其他创作
大纲/内容
9
repeat_stmt
term
mulop
identifier
letter
simple-exp
(
1
statement
4
for_stmt
for
exp
end
digit
stmt_sequence
)
factor
2
until
:=
;
write_stat
add-op
write_stmt
a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z
repeat
+
comparison-op
read
0
read_stat
=
-
/
5
then
!=
3
==
*
if
number
7
assign-stmt
read_stmt
program
8
else
write
6
if_stmt
0 条评论
下一页
