binutils-gdb/gdb/testsuite/gdb.guile/scm-objfile-script-gdb.in

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;; Copyright (C) 2011-2016 Free Software Foundation, Inc.
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;; This file is part of the GDB testsuite.
(use-modules (gdb) (gdb printing))
(define (make-pp_ss-printer val)
(make-pretty-printer-worker
#f
(lambda (printer)
(let ((a (value-field val "a"))
(b (value-field val "b")))
(format #f "a=<~A> b=<~A>" a b)))
#f))
(define (get-type-for-printing val)
"Return type of val, stripping away typedefs, etc."
(let ((type (value-type val)))
(if (= (type-code type) TYPE_CODE_REF)
(set! type (type-target type)))
(type-strip-typedefs (type-unqualified type))))
(define (make-pretty-printer-dict)
(let ((dict (make-hash-table)))
(hash-set! dict "struct ss" make-pp_ss-printer)
(hash-set! dict "ss" make-pp_ss-printer)
dict))
(define *pretty-printer*
(make-pretty-printer
"pretty-printer-test"
(let ((pretty-printers-dict (make-pretty-printer-dict)))
(lambda (matcher val)
"Look-up and return a pretty-printer that can print val."
(let ((type (get-type-for-printing val)))
(let ((typename (type-tag type)))
(if typename
(let ((printer-maker (hash-ref pretty-printers-dict typename)))
(and printer-maker (printer-maker val)))
#f)))))))
(append-pretty-printer! #f *pretty-printer*)