Tutorial Lex/Yacc - capsl
Tutorial Lex/Yacc - capsl
Tutorial Lex/Yacc - capsl
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<strong>Lex</strong>eme Token Type<br />
2 Number<br />
Simple Example Grammar<br />
+ Addition Operator<br />
2 Number<br />
- Subtraction Operator<br />
1 Number<br />
E � E + E<br />
� E - E<br />
� E * E<br />
� E / E<br />
� id<br />
Suppose we had the following tokens:<br />
2 + 2 - 1<br />
2/17/2012<br />
Next it will match<br />
one of the rules<br />
based on the next<br />
token because the<br />
parser know 2 is an<br />
expression.<br />
CAPSL<br />
37
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