guile/test-suite/tests/dwarf.test

;;;; dwarf.test                               -*- scheme -*-
;;;;
;;;; Copyright 2013, 2021 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (test-suite test-dwarf)
  #:use-module (test-suite lib)
  #:use-module (ice-9 match)
  #:use-module (system base compile)
  #:use-module (system vm debug)
  #:use-module (system vm program)
  #:use-module (system vm loader))

(define prog
  (string-concatenate
   ;; The start of every datum is a possible source location.
   '("(define (qux f)\n" 
     ;^ 0:0
     "  (+ 32 (f)))\n"
     ;  ^1:2  ^1:8
     "\n"
     "(define bar\n"
     ;^ 3;0
     "  (lambda (a)\n"
     ;  ^ 4:2
     "    13))\n"
     ;    ^ 5:4
     "'success\n")
   ))

(let* ((port (open-input-string prog))
       (bv (begin
             (set-port-filename! port "foo.scm")
             (read-and-compile port #:to 'bytecode))))
  (pass-if-equal 'success
      ((load-thunk-from-memory bv)))

  (pass-if-equal 13 (bar 10))

  (let ((source (find-source-for-addr (program-code qux))))
    (pass-if-equal "foo.scm" (source-file source))
    (pass-if-equal 0 (source-line source))
    (pass-if-equal 1 (source-line-for-user source))
    (pass-if-equal 0 (source-column source)))

  (let ((source (find-source-for-addr (program-code bar))))
    (pass-if-equal "foo.scm" (source-file source))
    (pass-if-equal 4 (source-line source))
    (pass-if-equal 5 (source-line-for-user source))
    (pass-if-equal 2 (source-column source)))

  (match (find-program-sources (program-code qux))
    ((s1 s2 s3)
     (pass-if-equal "foo.scm" (source-file s1))
     (pass-if-equal 0 (source-line s1))
     (pass-if-equal 1 (source-line-for-user s1))
     (pass-if-equal 0 (source-column s1))

     (pass-if-equal "foo.scm" (source-file s2))
     (pass-if-equal 1 (source-line s2))
     (pass-if-equal 2 (source-line-for-user s2))
     (pass-if-equal 8 (source-column s2))

     (pass-if-equal "foo.scm" (source-file s3))
     (pass-if-equal 1 (source-line s3))
     (pass-if-equal 2 (source-line-for-user s3))
     (pass-if-equal 2 (source-column s3)))
    (sources
     (error "unexpected sources" sources)))

  (match (find-program-sources (program-code bar))
    ((s1 s2)
     (pass-if-equal "foo.scm" (source-file s1))
     (pass-if-equal 4 (source-line s1))
     (pass-if-equal 5 (source-line-for-user s1))
     (pass-if-equal 2 (source-column s1))

     (pass-if-equal "foo.scm" (source-file s2))
     (pass-if-equal 5 (source-line s2))
     (pass-if-equal 6 (source-line-for-user s2))
     (pass-if-equal 4 (source-column s2)))
    (sources
     (error "unexpected sources" sources))))