HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 1b101522 LC |
1 | ;;; common-test.scm -- |
| 2 | ;;; | |
| 3 | ||
| 4 | ;; Slightly modified for Guile by Ludovic Courtès <ludo@gnu.org>, 2010. | |
| 5 | ||
| 6 | (use-modules (system base lalr) | |
| 7 | (ice-9 pretty-print)) | |
| 8 | ||
| 9 | (define *error* '()) | |
| 10 | ||
| 11 | (define-syntax when | |
| 12 | (syntax-rules () | |
| 13 | ((_ ?expr ?body ...) | |
| 14 | (if ?expr | |
| 15 | (let () ?body ...) | |
| 16 | #f)))) | |
| 17 | ||
| 18 | (define-syntax check | |
| 19 | (syntax-rules (=>) | |
| 20 | ((_ ?expr => ?expected-result) | |
| 21 | (check ?expr (=> equal?) ?expected-result)) | |
| 22 | ||
| 23 | ((_ ?expr (=> ?equal) ?expected-result) | |
| 24 | (let ((result ?expr) | |
| 25 | (expected ?expected-result)) | |
| 26 | (set! *error* '()) | |
| 27 | (when (not (?equal result expected)) | |
| 28 | (display "Failed test: \n") | |
| 29 | (pretty-print (quote ?expr))(newline) | |
| 30 | (display "\tresult was: ") | |
| 31 | (pretty-print result)(newline) | |
| 32 | (display "\texpected: ") | |
| 33 | (pretty-print expected)(newline) | |
| 34 | (exit 1)))))) | |
| 35 | ||
| 36 | ;;; -------------------------------------------------------------------- | |
| 37 | ||
| 38 | (define (display-result v) | |
| 39 | (if v | |
| 40 | (begin | |
| 41 | (display "==> ") | |
| 42 | (display v) | |
| 43 | (newline)))) | |
| 44 | ||
| 45 | (define eoi-token | |
| 46 | (make-lexical-token '*eoi* #f #f)) | |
| 47 | ||
| 48 | (define (make-lexer tokens) | |
| 49 | (lambda () | |
| 50 | (if (null? tokens) | |
| 51 | eoi-token | |
| 52 | (let ((t (car tokens))) | |
| 53 | (set! tokens (cdr tokens)) | |
| 54 | t)))) | |
| 55 | ||
| 56 | (define (error-handler message . args) | |
| 57 | (set! *error* (cons `(error-handler ,message . ,(if (pair? args) | |
| 58 | (lexical-token-category (car args)) | |
| 59 | '())) | |
| 60 | *error*)) | |
| 61 | (cons message args)) | |
| 62 | ||
| 63 | ;;; end of file |