Commit | Line | Data |
---|---|---|
1b101522 LC |
1 | ;;; test-lr-basics-04.scm -- |
2 | ;; | |
3 | ;;A grammar accepting a sequence of equal tokens of arbitrary length. | |
4 | ;;The return value is the value of the last parsed token. | |
5 | ||
6 | ||
7 | (load "common-test.scm") | |
8 | ||
9 | (define (doit . tokens) | |
10 | (let ((parser (lalr-parser (expect: 0) | |
11 | (A) | |
12 | (e (e A) : $2 | |
13 | (A) : $1 | |
14 | () : 0)))) | |
15 | (parser (make-lexer tokens) error-handler))) | |
16 | ||
17 | (check | |
18 | (doit) | |
19 | => 0) | |
20 | ||
21 | (check | |
22 | (doit (make-lexical-token 'A #f 1)) | |
23 | => 1) | |
24 | ||
25 | (check | |
26 | (doit (make-lexical-token 'A #f 1) | |
27 | (make-lexical-token 'A #f 2) | |
28 | (make-lexical-token 'A #f 3)) | |
29 | => 3) | |
30 | ||
31 | ;;; end of file |