Differences
This shows you the differences between two versions of the page.
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cpl-atm:laboratoare:laborator1 [2013/10/18 11:47] laura.vasilescu [Exemplu 1] |
cpl-atm:laboratoare:laborator1 [2013/10/18 12:03] (current) laura.vasilescu [Exemplu 1] |
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|---|---|---|---|
| Line 12: | Line 12: | ||
| '+' return '+' | '+' return '+' | ||
| '-' return '-' | '-' return '-' | ||
| + | |||
| /lex | /lex | ||
| %% | %% | ||
| Line 21: | Line 22: | ||
| </code> | </code> | ||
| + | <hidden> | ||
| + | ===== Exemplu 2 ======= | ||
| + | <code js> | ||
| + | %lex | ||
| + | %% | ||
| + | |||
| + | [0-9]+ return 'NUMBER' | ||
| + | '+' return '+' | ||
| + | '-' return '-' | ||
| + | '*' return '*' | ||
| + | '/' return '/' | ||
| + | |||
| + | /lex | ||
| + | %% | ||
| + | |||
| + | start : e+ { return $1; }; | ||
| + | |||
| + | e : m '+' m { $$ = $1 + $3; } | ||
| + | | m '-' m { $$ = $1 - $3; } | ||
| + | | m { $$ = $1; } | ||
| + | ; | ||
| + | |||
| + | m : f '*' f { $$ = $1 * $3; } | ||
| + | | f '/' f { $$ = $1 / $3; } | ||
| + | | f { $$ = $1; } | ||
| + | ; | ||
| + | |||
| + | f : NUMBER { $$ = parseInt ($1); }; | ||
| + | </code> | ||
| + | </hidden> | ||
