78 lines
2.1 KiB
Scheme
78 lines
2.1 KiB
Scheme
; Copyright (c) 1993, 1994 Richard Kelsey and Jonathan Rees. See file COPYING.
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; Reading/writing debugging info
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(define (write-debug-info location-info file)
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(call-with-output-file file
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(lambda (port)
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(display "Writing ") (display file) (newline)
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(let ((write-table
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(lambda (table comment)
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(display "; " port) (display comment port) (newline port)
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(table-walk (lambda (key datum)
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(write (list key datum) port)
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(newline port))
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table)
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(write '- port) (newline port))))
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(write-table package-name-table "Package uid -> name")
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(write-table location-info "Location uid -> (name . package-uid)"))
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(display "; Template uid -> name, parent, pc in parent, env maps" port)
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(newline port)
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(table-walk (lambda (id data)
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;; Fields: (uid name parent pc-in-parent
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;; env-maps source)
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(write (list id
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(let ((name (debug-data-name data)))
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(if name
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(name->symbol name)
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#f))
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(let ((p (debug-data-parent data)))
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;; we'd like to (note-debug-data! p)
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(if (debug-data? p)
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(debug-data-uid p)
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p))
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(debug-data-pc-in-parent data)
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(debug-data-env-maps data)
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;; Don't retain source code, right?
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)
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port)
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(newline port))
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(debug-data-table))
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(write '- port) (newline port))))
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(define (read-debug-info file)
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(call-with-input-file file
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(lambda (port)
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(display "Reading ") (display file) (newline)
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(let ((read-table
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(lambda (table)
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(let loop ()
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(let ((z (read port)))
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(if (pair? z)
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(begin (table-set! table
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(car z)
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(make-immutable! (cadr z)))
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;; (set! *location-uid*
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;; (max *location-uid* (+ (car z) 1)))
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(loop))))))))
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(read-table package-name-table)
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(read-table location-info-table))
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(let loop ()
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(let ((z (read port)))
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(if (pair? z)
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(begin ;; (set! *template-uid*
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;; (max *template-uid* (+ (car z) 1)))
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(table-set! (debug-data-table)
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(car z)
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(make-immutable!
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(apply make-debug-data
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(append z '(())))))
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(loop))))))))
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