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Tomita算法示例

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GLR分析过程‐1<br />

圆点表示<br />

状态,上<br />

方数字为<br />

状态号<br />

方点表示分析树中<br />

所对应的节点,上<br />

方数字为节点序号<br />

Next Word是指<br />

向输入字符串的<br />

指针,指向当前<br />

待处理符号<br />

'<br />

(0) S →<br />

S<br />

(2) VP → V<br />

(4) VP → V NP NP<br />

(6) NP → Det N<br />

(8) NP → NP PP<br />

分析表中动作,s代表移进,3代表状态号,<br />

Action[0, Pron]=s3<br />

分析表中动作,r代表归约,7代表规则序号,<br />

Action[3, V]=r7<br />

正在形成中的树节<br />

点,[ ]中是节点内<br />

容,左边数字是节<br />

点指针序号<br />

(1) S →<br />

(3) VP → V<br />

(7) NP →<br />

(9) PP →<br />

Pron V Det N Prep Det N $<br />

NPVP<br />

(5) VP → VP PP<br />

Pron<br />

Prep<br />

36<br />

NP<br />

NP

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