Description: program compoundstmt
stmt ifstmt | whilestmt | assgstmt | compoundstmt
compoundstmt { stmts }
stmts stmt stmts |
ifstmt if ( boolexpr ) then stmt else stmt
whilestmt while ( boolexpr ) stmt
assgstmt ID = arithexpr
boolexpr arithexpr boolop arithexpr
boolop < | > | <= | >= | ==
arithexpr multexpr arithexprprime
arithexprprime + multexpr arithexprprime | - multexpr arithexprprime |
multexpr simpleexpr multexprprime
multexprprime * simpleexpr multexprprime | /simpleexpr multexprprime |
simpleexpr ID | NUM | ( arithexpr )
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c语言词法分析.doc
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