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semantic-regtest.el
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;;; semantic-regtest.el --- Perform regression tests for grammars
;;; Copyright (C) 2003 Klaus Berndl
;; Author: Klaus Berndl <[email protected]>
;; Keywords: syntax test
;; X-RCS: $Id: semantic-regtest.el,v 1.6 2005/09/30 20:21:03 zappo Exp $
;; This file is not part of GNU Emacs.
;; Semantic 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 2, or (at your option)
;; any later version.
;; This software 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; This library implements regression-tests for testing grammars and parsers
;; of semantic.
;;
;; This library offers:
;;
;; 1. Commands to run regression tests for grammar/parser tests. See the
;; commands
;; - `semantic-regtest-run-test'
;; - `semantic-regtest-create-output'
;; - `semantic-regtest-cmp-results'
;; for a first description what this library can do with this respect.
;;
;; Because for each of these three commands a function *--internal exists
;; (which is meant to be used from within elisp) it should not be hard to
;; run these functions from within a Makefile to run all regression-tests
;; in batch-mode - e.g. before releasing a new release.
;;
;; 2. A new major-mode `semantic-regtest-mode' which is added to the
;; `auto-mode-alist' for files ending with "*.res' (e.g. the command
;; `semantic-regtest-run-test' creates autom. a result-file with such an
;; extension). This new major-mode makes a lot of stuff in the result-file
;; clickable - for details and keybindings see `semantic-regtest-mode'.
;;
;;
;; Currently this code is tested with GNU Emacs 21.X and the current CVS
;; cedet-suite
;;; TODO:
;;
;; - testing with XEmacs
;; - defining some constants, e.g. for the separtor-string " |###| " and some
;; other currently hard coded stuff.
;; - maybe using another parent-major-mode instead of `view-mode'?
;; - testing when driven by a Makefile
;; - testing with other code than c++, e.g. java, elisp....
;;; Code
(require 'semantic)
(defgroup semantic-regtest nil
"Settings for semantic grammar/parser regression-tests."
:group 'semantic
:prefix "semantic-regtest-")
(defcustom semantic-regtest-functions
'(semantic-regtest-prin1)
"*Functions used for the grammar/parser regression-test.
Every element must be a function which gets one tag-argument and must return
a string which is the printed information about this tag. The function must
take into accout the value of `semantic-regtest-print-tag-boundaries'.
If nil then always `semantic-format-tag-prin1' is used; then of course the
value of `semantic-regtest-print-tag-boundaries' is automatically considered."
:group 'semantic-regtest
:type '(repeat (function :tag "Regression-test function")))
(defcustom semantic-regtest-print-tag-boundaries nil
"*The generic regression-tag-format contains tag-boundaries.
The default-value is nil because normally it is not senseful to include
tag-boundaries into the printed generic tag-format because it prevents the
parsing check being independent from changing whitespace or comments in the
testfiles - which would not changing the tag-data itself but the
data-locations. But if this option is not nil then for each tag the
tag-boundaries are included in the output - if the tag is not positionless."
:group 'semantic-regtest
:type 'boolean)
(defcustom semantic-regtest-highlight-tag t
"*Highlight tag in the source-file.
This highlights the tag jumped to by `semantic-regtest-open-source-file' or
`semantic-regtest-mouse-open-source-file'."
:group 'semantic-regtest
:type 'boolean)
(defcustom semantic-regtest-find-file-function 'find-file-other-window
"*Displayfunction for the files of `semantic-regtest-mode'.
This function is used to display a file in a window if one of the commands of
`semantic-regtest-mode' is used. The function gets one argument - a filename -
and has to display this file in a window.
Default is `find-file-other-window'."
:group 'semantic-regtest
:type 'function)
(defface semantic-regtest-test-button-face
'((((class color) (background dark))
(:forground "blue" :bold t))
(((class color) (background light))
(:foreground "blue" :bold t)))
"*Face used to show clickable buttons for the test files.
This can be the source-file and the test output file."
:group 'semantic-regtest)
(defface semantic-regtest-reference-button-face
'((((class color) (background dark))
(:forground "ForestGreen" :bold t))
(((class color) (background light))
(:foreground "ForestGreen" :bold t)))
"*Face used to show clickable buttons for the reference file."
:group 'semantic-regtest)
;;;###autoload
(defun semantic-regtest-run-test ()
(interactive)
"Run a regression-test for a semantic-supported source-file.
The user will be asked for the file-name of that file for which the test
should be performed. If the current buffer is a semantic-supported buffer then
its file-name will be offered as default. For more details see the function
`semantic-regtest-run-test--internal'."
(let* ((source-file (if (semantic-active-p) (buffer-file-name)))
(file (read-file-name "Source-file: " nil source-file nil
(and source-file
(file-name-nondirectory source-file)))))
(if (semantic-regtest-run-test--internal file)
(message "Regressiontest fails - see the generated result-file for the diff!")
(message "Regressiontest succeeds - no differences to the reference-file!"))))
(defun semantic-regtest-run-test--internal (test-source-file)
"Run a regression test for TEST-SOURCE-FILE.
If the regression-tests fails - i.e. if there are differences to the
reference-file - then the generated result-file will be displayed in another
window with active `semantic-regtest-mode'.
`semantic-regtest-run-test' is a regression test function which uses all the
utility functions of this library to run a regression test for a source-file.
The function assumes the following dir- and file-structure:
- all files reside in the same subdir
- Name of the reference output-file: TEST-SOURCE-FILE.ro
\(Must already be generated with `semantic-regtest-create-output'!)
- Name of the test output-file: TEST-SOURCE-FILE.to
\(Will be generated with `semantic-regtest-create-output')
- Name of the result file of the test: TEST-SOURCE-FILE.res \(Will be
generated with `semantic-regtest-cmp-results' by comparing
TEST-SOURCE-FILE.to with TEST-SOURCE-FILE.ro.
Example for test.cpp:
- Reference output-file: test.cpp.ro
- Test output-file: test.cpp.to
- Result file of the regression-test: test.cpp.res
Return nil if the are no differences in the test-outputs, i.e. if the test
succeeds. If the test fails \(i.e. there are differences between the
test-outputs) then the name of the generated result-file is returned.
The format of the file TEST-SOURCE-FILE.res is described at the command
`semantic-regtest-cmp-results'. Also how to interpret and use the file
TEST-SOURCE-FILE.res."
(let* ((test-file (expand-file-name test-source-file))
(ref-output-file (concat test-file ".ro"))
(test-output-file (concat test-file ".to"))
(result-file (concat test-file ".res")))
;; opening the test source-file
(save-excursion
(set-buffer (find-file-noselect test-file))
;; generating the output of the grammar/parser test
(semantic-regtest-create-output--internal test-output-file))
;; comparing with the reference output and writing a result-file.
(when (semantic-regtest-cmp-results--internal test-file test-output-file
ref-output-file result-file)
;; now opening the result file in `semantic-regtest-mode'
(find-file-other-window result-file)
result-file)))
;; TODO: Klaus Berndl <[email protected]>: These pure utility-function should
;; be placed elsewhere!
(defun semantic-regtest-excessive-trim (str)
"Return a string where all double-and-more whitespaces in STR are replaced
with a single space-character."
(let ((s str))
(save-match-data
(while (string-match "[ \t][ \t]+" s)
(setq s (concat (substring s 0 (match-beginning 0))
" "
(substring s (match-end 0))))))
s))
(defun semantic-regtest-normalize-whitespace (text)
"Replace all newlines with one single space and run the function
`semantic-regtest-excessive-trim' onto the result."
(semantic-regtest-excessive-trim (subst-char-in-string ?\n 32 text)))
;;;###autoload
(defun semantic-regtest-create-output ()
"Creates the test-output for the current buffer.
The user will be asked for the file-name of the created test-output-file \(see
`semantic-regtest-create-output--internal')."
(interactive)
(let ((file (if (file-exists-p (concat (buffer-file-name) ".ro"))
(concat (buffer-file-name) ".to")
(concat (buffer-file-name) ".ro"))))
(setq file (read-file-name "Test-output: " nil file nil
(file-name-nondirectory file)))
(semantic-regtest-create-output--internal file)))
(defun semantic-regtest-create-output--internal (test-output-file)
"Runs the functions in `semantic-regtest-functions' on every tag in current
buffer and writes the output to TEST-OUTPUT-FILE. This gives a regression-able
test of a grammar/parser because this function can run on a testfile F before
grammar-changes and after grammar-changes and after that the two output-files
can be compared with a tool like diff \(but recommended is to use
`semantic-regtest-cmp-results').
IMPORTANT: ALL information about a tag is written in ONE line. This is for
better comparsion with line-oriented tools like diff. The format of a line is:
<tag-name> |###| <tag-type> |###| <full tag-text> |###|
<output of print-function-1> |###| <output of print-function-2> |###|
... |###|
whereas <tag-name>, <full tag-text> and <output of print-function-X> are
normalized concerning whitespace \(`semantic-regtest-normalize-whitespace'),
<output of print-function-1> is \"<print-function-1>: <print-text>\" whereas
<print-function-X> is part of `semantic-regtest-functions'.
Return the number of tags."
(goto-char (point-min))
(let ((buf (get-buffer-create "*Semantic regression test*"))
(test-functions (or semantic-regtest-functions
'(semantic-format-tag-prin1)))
(tag-counter 0)
tag tag-extend tag-text output-str)
(unless (semantic-active-p)
(error "Sorry, regression-test are only possible for semantic supported sources!"))
;; clean the output buffer
(save-excursion
(set-buffer buf)
(erase-buffer))
;; reparse the whole source-buffer so we have fresh-parsed tags
(semantic-fetch-tags)
;; print out the tag informations of all tags. IMPORTANT: ALL
;; information about a tag is written in ONE line. This is for better
;; comparsion with line-oriented tools like diff.
;; The format of a line is:
;; <tag-name> |###| <full tag-text> |###| <output of print-function-1>
;; |###| <output of print-function-2> |###| ... |###|
;; whereas <output of print-function-1> is "<print-function-1>: <print-text>"
;; (all in one single line without linebreaks!)
(while (setq tag (semantic-find-tag-by-overlay-next))
(setq tag-counter (1+ tag-counter))
(if (not (semantic-tag-with-position-p tag))
(setq tag-text "This is a positionless tag")
(setq tag-extend (semantic-tag-bounds tag))
(setq tag-text (buffer-substring-no-properties (nth 0 tag-extend)
(nth 1 tag-extend))))
(setq output-str (format "%s |###| %s |###| %s |###|"
;; we have to normalize also the whitespace of
;; a tag-name because because there is nowhere
;; forbidden that a tag-name can contain spaces
;; or newlines (e.g. the python-parser produces
;; such tag-names)
(semantic-regtest-normalize-whitespace
(semantic-tag-name tag))
(symbol-name (semantic-tag-class tag))
;; to make testresults whitespace-independend
;; we remove all newlines and then we trim all
;; spaces to exactly one space
(semantic-regtest-normalize-whitespace tag-text)))
(dolist (fnc test-functions)
(setq output-str
(concat output-str (format " %s: %s |###|"
(symbol-name fnc)
;; we normalize the whitespace of the
;; returned string because there can
;; be tags with a tagname which
;; contains spaces or newlines (e.g.
;; with python)
(semantic-regtest-normalize-whitespace
(funcall fnc tag))))))
(save-excursion
(set-buffer buf)
(goto-char (point-max))
(insert output-str)
(insert "\n"))
(goto-char (semantic-tag-start tag)))
;; write the generated tag-informations into TEST-OUTPUT-FILE
(save-excursion
(set-buffer buf)
;; maybe removing the overlay-positions
(goto-char (point-min))
(if semantic-regtest-print-tag-boundaries
(while (re-search-forward
"#<overlay from \\([0-9]+\\) to \\([0-9]+\\) in [^>]+>"
nil t)
(replace-match "[\\1 \\2]"))
(while (re-search-forward "#<overlay from [0-9]+ to [0-9]+ in [^>]+>"
nil t)
(replace-match "[Location info filtered out]")))
(write-region (point-min) (point-max) test-output-file))
;; clean up
(kill-buffer buf)
(goto-char (point-min))
;; return number of printed tags
tag-counter))
(defun semantic-regtest-convert-difference (buffer start end)
"Parse the diff-difference located in BUFFER between START and END. Cause of
the facts that each line in the output of `semantic-regtest-create-output'
represents exactly one tag and \[START, END] always define a
set of complete lines of BUFFER \(and therefore a set of tag-outputs) the
text between START and END can be splitted in lines and each of these lines is
splitted by the separator \" |###| \".
Result is either nil \(if START = END) or a list of sublists whereas each
sublist represents one line resp. tag between START and END and consist
therefore of the following elements:
0. tag-number of tag in the test-file (= line-number in the test-file)
1. name of the tag
2. type of the tag \(function, variable, type, include etc...)
3. the complete tag text
4. the tag-string of the first tag-print-function. This string looks like
\"<print-function>: <print-output>\", e.g. \"semantic-format-tag-prin1:
\(\\\"c++-test.hh\\\" include nil nil nil \[Location info filtered out])\"
\(all output of a tag is in one line - no linebreaks!)
5. the tag-string of the second tag-print-function
6. ...
If a list then every sublist contains at least 5 elements \(0. to 4.)."
(and (not (= start end))
(save-excursion
(set-buffer buffer)
(let ((line-list (split-string (buffer-substring-no-properties start
end)
"\n"))
(line-counter (1+ (count-lines (point-min) start)))
result)
(dolist (line line-list)
(setq result
(cons
(append (list line-counter)
(split-string line " |###| ?"))
result))
(setq line-counter (1+ line-counter)))
(nreverse result)))))
;; The following two function are examples how to print the data of one
;; diff-difference (can contain data for more than 1 line (resp. tag)!).
(defun semantic-regtest-1-diffdata2str (diff-data file &optional prefix)
"Convert the data of DIFF-DATA into a suitable string-representation where
each element of DIFF-DATA is separated by a newline within this string. PREFIX
is the prefix for each line if a string."
(let ((output-str nil))
(dolist (elem diff-data output-str)
(setq output-str
(concat output-str
(format "%s%s (tag-type: %s, [%d. tag of %s file])\n"
(or prefix
"")
(nth 1 elem) (nth 2 elem) (nth 0 elem) file))))))
(defun semantic-regtest-2-diffdata2str (a-diff-data b-diff-data
&optional prefix)
"Convert the data of A-DIFF-DATA into a suitable string-representation by
comparing each elem of A-DIFF-DATA with the related elem of B-DIFF-DATA where
each element of A-DIFF-DATA is printed by two lines whereas the first line
contains the tag-name of the A-DIFF-DATA-elem and the tag-numbers and the
second line contains the kind of difference between the two elements \(
different tag-name, tag-type, tag-text and/or tag-output). PREFIX is
the prefix for the first line of such a two-line-block - the second line gets
a prefix with same length as PREFIX but filled with spaces.
If the length of A-DIFF-DATA and B-DIFF-DATA is unequal then an error is
reported."
(if (not (= (length a-diff-data) (length b-diff-data)))
(error "Can not compare diff-lists with unequal length!")
(let ((b-diff-data-copy b-diff-data)
str)
(dolist (elem a-diff-data str)
(setq str
(concat str
(format "%s%s (type: %s, [%d. tag of test file], [%d. tag of reference file])\n"
(or prefix
"")
(nth 1 elem)
(nth 2 elem)
(nth 0 elem)
(nth 0 (car b-diff-data-copy)))
(format "%s%s%s%s%s\n"
(make-string (length prefix) 32)
(if (not (string= (nth 1 elem)
(nth 1 (car b-diff-data-copy))))
"Different tag-name, "
"")
(if (not (string= (nth 2 elem)
(nth 2 (car b-diff-data-copy))))
"Different tag-type, "
"")
(if (not (string= (nth 3 elem)
(nth 3 (car b-diff-data-copy))))
"Different tag-text, "
"")
(if (not (string= (nth 4 elem)
(nth 4 (car b-diff-data-copy))))
"Different tag-output"
""))))
(setq b-diff-data-copy (cdr b-diff-data-copy))))))
;; this is the only function where ediff-stuff is used!
(defun semantic-regtest-ediff (file-a file-b)
"Run ediff noninteractively to compare FILE-A and FILE-B. The result
is is list with contains for every difference between FILE-A and FILE-B a
vector: \[a-start a-end b-start b-end nil nil nil nil nil nil nil]
What is the \"semantic\" of such a difference-result-vector:
If \(a-start = a-end) Then lines \(= tags) between b-start and b-end of
FILE-B are missed in FILE-A
ElseIf \(b-start = b-end) Then lines \(= tags between a-start and a-end are
new in FILE-A (missed in the FILE-B)
Else lines \(= tags between a-start and a-end are parsed differently.
If there are no differences between FILE-A and FILE-B then nil is returned."
(require 'ediff)
;; we must set ediff-buffer-A, ediff-buffer-B and ediff-buffer-C because
;; these buffers are needed by ediff to work
(let ((ediff-buffer-A (find-file-noselect (expand-file-name file-a)))
(ediff-buffer-B (find-file-noselect (expand-file-name file-b)))
(ediff-buffer-C nil))
(if (string-match "c" ediff-diff-options)
(error "Option `-c' is not allowed in `ediff-diff-options'"))
;; use some ediff stuff to produce correct differences between test-file
;; and ref-file
(or (and ediff-diff-buffer (buffer-live-p ediff-diff-buffer))
(setq ediff-diff-buffer
(get-buffer-create (ediff-unique-buffer-name "*ediff-diff" "*"))))
(ediff-make-diff2-buffer ediff-diff-buffer file-a file-b)
(ediff-prepare-error-list ediff-diff-ok-lines-regexp ediff-diff-buffer)
(cdr (ediff-extract-diffs ediff-diff-buffer nil nil))))
;;;###autoload
(defun semantic-regtest-cmp-results (&optional use-full-path-name)
"Compare two test-outputs and create a suitable formatted result-file.
The user will be asked for four file-names:
SOURCE-FILE: The underlying source-file for which the test-outputs have
been created. If current buffer is a semantic-supported buffer then the
file-name of the current buffer is offered as default.
TEST-FILE: The regression-testoutput for SOURCE-FILE. It must be an already
existing file which has been created by `semantic-regtest-create-output' or
the function `semantic-regtest-create-output--internal'. If a file
SOURCE-FILE.to exists already in current directory then this file is
offered as default.
REF-FILE: The reference testoutput for SOURCE-FILE. TEST-FILE will be
compared against this file. It must be an already existing file which has
been created by the command `semantic-regtest-create-output' or the
function `semantic-regtest-create-output--internal'. If a file
SOURCE-FILE.ro exists already in current directory then this file is
offered as default.
RESULT-FILE: That file will contain the comparisson-result generated by
`semantic-regtest-cmp-results--internal'. Per default the filename
SOURCE-FILE.res is offered.
This command calls `semantic-regtest-cmp-results--internal' with that four
file-names. See this function for details about the optional argument
`use-full-path-name' and a description of the format of RESULT-FILE."
(interactive "P")
(let* ((source-file (if (semantic-active-p) (buffer-file-name)))
(test-file (and source-file
(file-exists-p (concat source-file ".to"))
(concat source-file ".to")))
(ref-file (and source-file
(file-exists-p (concat source-file ".ro"))
(concat source-file ".ro")))
(result-file (and source-file (concat source-file ".res"))))
(setq source-file (read-file-name "Source-file: " nil source-file nil
(and source-file
(file-name-nondirectory source-file))))
(setq test-file (read-file-name "Test-output: " nil test-file nil
(and test-file
(file-name-nondirectory test-file))))
(setq ref-file (read-file-name "Reference-output: " nil ref-file nil
(and ref-file
(file-name-nondirectory ref-file))))
(setq result-file (read-file-name "Test-result: " nil result-file nil
(and result-file
(file-name-nondirectory result-file))))
(semantic-regtest-cmp-results--internal source-file test-file ref-file
result-file use-full-path-name)))
(defun semantic-regtest-cmp-results--internal (source-file
test-file
ref-file
result-file
&optional use-full-path-name)
"Compare TEST-FILE and REF-FILE and write the results to RESULT-FILE.
SOURCE-FILE is only used to write the file-name into RESULT-FILE.
Return nil if there are no differences between TEST-FILE and REF-FILE
otherwise return not nil.
Format of RESULT-FILE is:
------------------------------------------------------------------------
Semantic grammar/parser regression-test
Source file: SOURCE-FILE
Test output file: TEST-FILE
Reference file: REF-FILE
<Here are listed all tag-parsing differences: This can be missed tags
\(i.e. tag which are only in REF-FILE), new tags \(tag which are only in
TEST-FILE) and differently parsed tags. Each type can occur multiple times
and the sequence follows the original sequence of the differences detected by
the ediff-comparison>
------------------------------------------------------------------------
If USE-FULL-PATH-NAME is nil then these three filesnames are without
path-informations because normally all four files \(SOURCE-FILE TEST-FILE
REF-FILE and RESULT-FILE) should reside in the same directory so the path-info
is not needed to open these files from within `semantic-regtest-mode'. If
USE-FULL-PATH-NAME is not nil \(called with a prefix arg) filenames include
full path-info.
How to interpret and use the created RESULT-FILE:
For all differences reported in RESULT-FILE the number N of the each missed,
new or differently parsed tag is printed out. With this number you can
- use `semantic-regtest-goto-tag' to jump to the N-th tag in the
source-file for which TEST-FILE is generated to check the tag in the
source-code
- use `goto-line' to go to the N-th line in either TEST-FILE or REF-FILE to
check the output of `semantic-regtest-create-output' for this tag.
- Open the file in `semantic-regtest-mode' and use the offered buttons and
keybindings."
(let ((diff-result (semantic-regtest-ediff test-file ref-file))
(test-buffer (find-file-noselect (expand-file-name test-file)))
(ref-buffer (find-file-noselect (expand-file-name ref-file)))
a-start a-end a-diff-data b-start b-end b-diff-data output-str)
(with-temp-file (expand-file-name result-file)
(erase-buffer)
(insert "Semantic grammar/parser regression-test\n\n")
(insert (format "Source file: [%s]\n"
(if use-full-path-name
source-file
(file-name-nondirectory source-file))))
(insert (format "Test output file: [%s]\n"
(if use-full-path-name
test-file
(file-name-nondirectory test-file))))
(insert (format "Reference file: [%s]\n"
(if use-full-path-name
ref-file
(file-name-nondirectory ref-file))))
(insert "\n\n")
(if (null diff-result)
(insert "No differences!\n")
;; evaluating the ediff-result
(dolist (diff-elem diff-result)
(setq a-start (aref diff-elem 0)
a-end (aref diff-elem 1)
a-diff-data (semantic-regtest-convert-difference
test-buffer a-start a-end)
b-start (aref diff-elem 2)
b-end (aref diff-elem 3)
b-diff-data (semantic-regtest-convert-difference
ref-buffer b-start b-end))
;; TODO: Klaus Berndl <[email protected]>: The following is just a
;; first example how the output of the test-result could look. Maybe
;; it would be useful to print out more data about differences - but
;; this is not a problem, because we have all data we need in the
;; a-diff-data resp. b-diff-data.
(cond ((null a-diff-data) ;; tags are missed
(setq output-str
(concat "These tags are only in the reference file:\n"
(semantic-regtest-1-diffdata2str b-diff-data
"reference"
"- "))))
((null b-diff-data) ;; tags are new
(setq output-str
(concat "These tags are only in the test file:\n"
(semantic-regtest-1-diffdata2str a-diff-data
"test"
"+ "))))
(t ;; tag are parsed differently
;; if a-diff-data and b-diff-data contain the same number of
;; elements then we can compare the tags of a-diff-data and
;; b-diff-data on a pair-basis. Otherwise we simply list the
;; tags of a-diff-data and then the tags of b-diff-data.
(if (= (length a-diff-data) (length b-diff-data))
(setq output-str
(concat "These tags are parsed differently:\n"
(semantic-regtest-2-diffdata2str a-diff-data
b-diff-data
"* ")))
(setq output-str
(concat "These tag of a the test- and the reference-file are parsed differently:\n"
(semantic-regtest-1-diffdata2str a-diff-data
"test"
"-t- ")
(semantic-regtest-1-diffdata2str b-diff-data
"reference"
"-r- "))))))
(insert output-str)
(insert "\n\n"))))
;; clean up
(kill-buffer test-buffer)
(kill-buffer ref-buffer)
diff-result))
(defun semantic-regtest-goto-tag (tag-number)
"Jump to the tag with number TAG-NUMBER in current buffer.
Counting starts always at the beginning of current buffer.
This function can be used for fast and easy jumping to the differences
reported by `semantic-regtest-cmp-results'."
(interactive "nNumber of tag to jump: ")
(goto-char (point-min))
(let ((tag-counter 0)
tag)
(while (and (< tag-counter tag-number)
(setq tag (semantic-find-tag-by-overlay-next)))
(setq tag-counter (1+ tag-counter))
(goto-char (semantic-tag-start tag)))))
;; ------ code for the new major-mode semantic-regtest-mode -----------------
(defun semantic-regtest-mouse-open-source-file (e)
"See `semantic-regtest-open-source-file'"
(interactive "e")
(mouse-set-point e)
(semantic-regtest-goto-file 'source))
(defun semantic-regtest-mouse-open-output-file (e)
"See `semantic-regtest-open-output-file'"
(interactive "e")
(mouse-set-point e)
(semantic-regtest-goto-file 'output))
(defun semantic-regtest-open-source-file ()
"Open the source-file of this button in another window. If the button is a
tag-number then jump also to this tag."
(interactive)
(semantic-regtest-goto-file 'source))
(defun semantic-regtest-open-output-file ()
"Open the output-file of this button in another window. If the button is a
tag-number then jump also to this line in the output-file."
(interactive)
(semantic-regtest-goto-file 'output))
(defun semantic-regtest-goto-file (type)
"Action function for all clickable buttons in `semantic-regtest-mode'.
TYPE can be one of the symbols `output' or `source'. In case of the former one
it tries to open the right output-file in the other-window and tries to jump
to the right line. In case of the latter one it opens the source-file in the
other window and tries to jump to the right tag."
(let ((file (if (equal type 'output)
(or (get-text-property (point)
'semantic-regtest-mode-test-file)
(get-text-property (point)
'semantic-regtest-mode-ref-file))
(get-text-property (point)
'semantic-regtest-mode-source-file)))
(tag-number (ignore-errors
(string-to-number
(get-text-property
(point)
'semantic-regtest-mode-tag-number)))))
(when file
(message "Opening file: %s" (file-name-nondirectory file))
(funcall semantic-regtest-find-file-function file)
(when tag-number
(if (equal type 'output)
(goto-line tag-number)
(semantic-regtest-goto-tag tag-number)
(if semantic-regtest-highlight-tag
(semantic-momentary-highlight-tag
(semantic-current-tag))))))))
(defun semantic-regtest-mode-init ()
"Initializes `semantic-regtest-mode'. This means making all tag-numbers
and the source-file, the test output file and the reference file clickable."
(let ((buffer-read-only nil)
regtest-mode-source-file
regtest-mode-test-file
regtest-mode-ref-file)
(goto-char (point-min))
;; make the 3 files clickable
(if (re-search-forward "^Source file: \\[\\(.+\\)\\]$" nil t)
(progn
(setq regtest-mode-source-file (match-string 1))
(add-text-properties (1- (match-beginning 1))
(1+ (match-end 1))
`(mouse-face
highlight
help-echo
,(format "Mouse-2 opens the file %s"
regtest-mode-source-file)
face
semantic-regtest-test-button-face
semantic-regtest-mode-source-file
,regtest-mode-source-file)))
(error "No source file found in the regtest result!"))
(goto-char (point-min))
(if (re-search-forward "^Test output file: \\[\\(.+\\)\\]$" nil t)
(progn
(setq regtest-mode-test-file (match-string 1))
(add-text-properties (1- (match-beginning 1))
(1+ (match-end 1))
`(mouse-face
highlight
help-echo
,(format "Mouse-1 opens the file %s"
regtest-mode-test-file)
face
semantic-regtest-test-button-face
semantic-regtest-mode-test-file
,regtest-mode-test-file)))
(error "No test ouput file found in the regtest result!"))
(goto-char (point-min))
(if (re-search-forward "^Reference file: \\[\\(.+\\)\\]$" nil t)
(progn
(setq regtest-mode-ref-file (match-string 1))
(add-text-properties (1- (match-beginning 1))
(1+ (match-end 1))
`(mouse-face
highlight
help-echo
,(format "Mouse-1 opens the file %s"
regtest-mode-ref-file)
face
semantic-regtest-reference-button-face
semantic-regtest-mode-ref-file
,regtest-mode-ref-file)))
(error "No reference-file file found in the regtest result!"))
;; now make all tag-numbers clickable
(goto-char (point-min))
(while (re-search-forward "\\([0-9]+\\)\\. tag of test file" nil t)
(add-text-properties (1- (match-beginning 0))
(1+ (match-end 0))
`(mouse-face
highlight
help-echo
,(format "Mouse-1 jumps to line %s in %s, mouse-2 jumps to this tag in %s"
(match-string 1) regtest-mode-test-file
regtest-mode-source-file)
face
semantic-regtest-test-button-face
semantic-regtest-mode-tag-number
,(match-string 1)
semantic-regtest-mode-source-file
,regtest-mode-source-file
semantic-regtest-mode-test-file
,regtest-mode-test-file))
)
(goto-char (point-min))
(while (re-search-forward "\\([0-9]+\\)\\. tag of reference file" nil t)
(add-text-properties (1- (match-beginning 0))
(1+ (match-end 0))
`(mouse-face
highlight
help-echo
,(format "Mouse-1 jumps to line %s in %s"
(match-string 1) regtest-mode-ref-file)
face
semantic-regtest-reference-button-face
semantic-regtest-mode-tag-number
,(match-string 1)
semantic-regtest-mode-ref-file
,regtest-mode-ref-file))
)
(set-buffer-modified-p nil)
(goto-char (point-min))))
(define-derived-mode semantic-regtest-mode
view-mode "se-re-te"
"Major mode for viewing result files of semantic regression tests. The main
purpose of this mode is to make all tag-numbers and the source-file, the
test output file and the reference file clickable.
\\{semantic-regtest-mode-map}"
(semantic-regtest-mode-init))
;; mouse-bindings
(define-key semantic-regtest-mode-map
(if (featurep 'xemacs) '(button1) [mouse-1])
'semantic-regtest-mouse-open-output-file)
(define-key semantic-regtest-mode-map
(if (featurep 'xemacs) '(button2) [mouse-2])
'semantic-regtest-mouse-open-source-file)
;; keyboard bindings:
(define-key semantic-regtest-mode-map
(kbd "O")
'semantic-regtest-open-output-file)
(define-key semantic-regtest-mode-map
(kbd "S")
'semantic-regtest-open-source-file)
;; adding reference- and regtest-output- and result-files to the
;; auto-mode-alist. We open the *.to and *.ro-files in text-mode to avoid
;; parsing this files by semantic.
(setq auto-mode-alist (append '(("\\.res\\'" . semantic-regtest-mode))
auto-mode-alist))
(setq auto-mode-alist (append '(("\\.to\\'" . text-mode)) auto-mode-alist))
(setq auto-mode-alist (append '(("\\.ro\\'" . text-mode)) auto-mode-alist))
;;; Generic format
(defun semantic-regtest-convert-tag-table (table)
"Convert the tag table TABLE to a generic format."
(mapcar #'semantic-regtest-convert-tag table))
(defun semantic-regtest--convert-tag (tag)
"Default tag-conversion of TAG into a generic format.
Recurses over children when they are found. If the value of the option
`semantic-regtest-print-tag-boundaries' is not nil then the tag-boundaries are
added at the beginning of the generic tag-format."
(let* ((name (semantic-tag-name tag))
(class (semantic-tag-class tag))
(bounds (if (and semantic-regtest-print-tag-boundaries
(semantic-tag-with-position-p tag))
(semantic-tag-bounds tag)))
(attr (semantic-tag-attributes tag))
(generic nil))
(while attr
(let ((sym (car attr))
(val (car (cdr attr))))
(cond ((semantic-tag-p val)
;; This attribute is a tag (ie, a type perhaps?)
(setq val (semantic-regtest-convert-tag val)))
((and (listp val) (semantic-tag-p (car val)))
;; List of more tags in this property. Children/members
(setq val (semantic-regtest-convert-tag-table val)))
(t nil))
(setq generic (cons (list sym val) generic))
(setq attr (cdr (cdr attr)))))
;; At this point, generic is an ALIST, not a PROPERTY LIST.
;; We need to sort it so that order changes do not effect the
;; test.
(setq generic (sort generic (lambda (a b)
(string< (symbol-name (car a))
(symbol-name (car b))))))
(append (delq nil (list bounds name class))
(apply 'append generic))
))
(define-overload semantic-regtest-convert-tag (tag)
"Convert TAG into a generic format.
Recurses over children when they are found."
(semantic-regtest--convert-tag tag))
(defun semantic-regtest-prin1 (tag)
"Dump TAG to a string and return this string."
(prin1-to-string (semantic-regtest-convert-tag tag)))
(provide 'semantic-regtest)
;;; semantic-regtest.el ends here