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@ -207,15 +207,20 @@
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;; buile-table: grammar * string -> action2d-array
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;; buile-table: grammar * string -> action2d-array
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(define (build-table g file)
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(define (build-table g file)
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(let* ((a (build-lr0-automaton g))
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(let* ((a (build-lr0-automaton g))
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(get-state (lr0-states a))
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(terms (grammar-terms g))
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(terms (grammar-terms g))
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(non-terms (grammar-non-terms g))
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(non-terms (grammar-non-terms g))
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(get-state (lr0-states a))
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(get-term (list->vector terms))
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(get-term (list->vector terms))
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(get-non-term (list->vector non-terms))
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(get-non-term (list->vector non-terms))
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(get-prod (list->vector (grammar-prods g)))
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(get-prod (list->vector (grammar-prods g)))
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(num-states (vector-length get-state))
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(num-states (vector-length get-state))
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(num-terms (vector-length get-term))
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(num-terms (vector-length get-term))
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(num-non-terms (vector-length get-non-term))
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(num-non-terms (vector-length get-non-term))
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(end-term-indexes
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(map
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(lambda (term)
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(+ num-non-terms (gram-sym-index term)))
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(grammar-end-terms g)))
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(num-gram-syms (+ num-terms num-non-terms))
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(num-gram-syms (+ num-terms num-non-terms))
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(table (make-array2d num-states num-gram-syms #f))
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(table (make-array2d num-states num-gram-syms #f))
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(array2d-add!
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(array2d-add!
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@ -246,10 +251,14 @@
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(array2d-set! table
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(array2d-set! table
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state
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state
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i
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i
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(if (< i num-non-terms)
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(cond
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(kernel-index goto)
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((< i num-non-terms)
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(kernel-index goto))
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((member i end-term-indexes)
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(make-accept))
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(else
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(make-shift
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(make-shift
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(kernel-index goto))))))
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(kernel-index goto)))))))
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(loop (add1 i)))))
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(loop (add1 i)))))
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(let ((items
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(let ((items
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(filter (lambda (item)
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(filter (lambda (item)
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