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47 | 47 | this by naming a block and then referencing via the ~:adjacent-file~ header. |
48 | 48 |
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49 | 49 |
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50 | | - #+name: stacker-reader-expander.rkt |
51 | | - #+begin_src racket :eval no :noweb strip-export :tangle |
52 | | - #lang br/quicklang |
53 | | - |
54 | | - (define (read-syntax path port) |
55 | | - (define src-lines (port->lines port)) |
56 | | - (define src-datums (format-datums '(handle ~a) src-lines)) |
57 | | - (define module-datum `(module stacker-mod "./stacker-reader-expander.rkt" |
58 | | - ,@src-datums)) |
59 | | - (datum->syntax #f module-datum)) |
60 | | - (provide read-syntax) |
61 | | - |
62 | | - (define-macro (stacker-module-begin HANDLE-EXPR ...) |
63 | | - #'(#%module-begin |
64 | | - HANDLE-EXPR ... |
65 | | - (display (first stack)))) |
66 | | - (provide (rename-out [stacker-module-begin #%module-begin])) |
67 | | - |
68 | | - |
69 | | - (define stack empty) |
70 | | - |
71 | | - (define (pop-stack!) |
72 | | - (define item (first stack)) |
73 | | - (set! stack (rest stack)) |
74 | | - item) |
75 | | - |
76 | | - (define (push-stack! item) |
77 | | - (set! stack (cons item stack))) |
78 | | - |
79 | | - (define (handle [x #f]) |
80 | | - (when x |
81 | | - (cond |
82 | | - [(number? x) (push-stack! x)] |
83 | | - [(or (equal? + x) |
84 | | - (equal? * x)) |
85 | | - (define op-result (x (pop-stack!) (pop-stack!))) |
86 | | - (push-stack! op-result)]))) |
87 | | - (provide handle + *) |
| 50 | + #+begin_src org |
| 51 | + #+name: stacker-reader-expander.rkt |
| 52 | + ,#+begin_src racket :eval no :noweb strip-export :tangle |
| 53 | + #lang br/quicklang |
| 54 | + |
| 55 | + (define (read-syntax path port) |
| 56 | + (define src-lines (port->lines port)) |
| 57 | + (define src-datums (format-datums '(handle ~a) src-lines)) |
| 58 | + (define module-datum `(module stacker-mod "./stacker-reader-expander.rkt" |
| 59 | + ,@src-datums)) |
| 60 | + (datum->syntax #f module-datum)) |
| 61 | + (provide read-syntax) |
| 62 | + |
| 63 | + (define-macro (stacker-module-begin HANDLE-EXPR ...) |
| 64 | + #'(#%module-begin |
| 65 | + HANDLE-EXPR ... |
| 66 | + (display (first stack)))) |
| 67 | + (provide (rename-out [stacker-module-begin #%module-begin])) |
| 68 | + |
| 69 | + |
| 70 | + (define stack empty) |
| 71 | + |
| 72 | + (define (pop-stack!) |
| 73 | + (define item (first stack)) |
| 74 | + (set! stack (rest stack)) |
| 75 | + item) |
| 76 | + |
| 77 | + (define (push-stack! item) |
| 78 | + (set! stack (cons item stack))) |
| 79 | + |
| 80 | + (define (handle [x #f]) |
| 81 | + (when x |
| 82 | + (cond |
| 83 | + [(number? x) (push-stack! x)] |
| 84 | + [(or (equal? + x) |
| 85 | + (equal? * x)) |
| 86 | + (define op-result (x (pop-stack!) (pop-stack!))) |
| 87 | + (push-stack! op-result)]))) |
| 88 | + (provide handle + *) |
| 89 | + ,#+end_src |
88 | 90 | #+end_src |
89 | 91 |
|
90 | 92 | This will now work! |
91 | 93 |
|
92 | | - #+begin_src racket :adjacent-file stacker-reader-expander.rkt |
93 | | - #lang reader "./stacker-reader-expander.rkt" |
94 | | - 4 |
95 | | - 8 |
96 | | - + |
97 | | - 3 |
98 | | - ,* |
| 94 | + #+begin_src org |
| 95 | + ,#+begin_src racket :adjacent-file stacker-reader-expander.rkt |
| 96 | + #lang reader "./stacker-reader-expander.rkt" |
| 97 | + 4 |
| 98 | + 8 |
| 99 | + + |
| 100 | + 3 |
| 101 | + ,* |
| 102 | + ,#+end_src |
| 103 | + |
| 104 | + #+RESULTS: |
| 105 | + : 36 |
99 | 106 | #+end_src |
100 | 107 |
|
101 | | - #+RESULTS: |
102 | | - : 36 |
103 | | - |
104 | 108 | ** Supported Header Arguments |
105 | 109 |
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106 | 110 | - :results :: Can be set to either =value= or =output=. If set to =value=, the |
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