(require 'compile)
(require 'comint)
(require 'find-file)
(require 'ada-mode)
(defcustom ada-xref-other-buffer t
"*If nil, always display the cross-references in the same buffer.
Otherwise create either a new buffer or a new frame."
:type 'boolean :group 'ada)
(defcustom ada-xref-create-ali nil
"*If non-nil, run gcc whenever the cross-references are not up-to-date.
If nil, the cross-reference mode never runs gcc."
:type 'boolean :group 'ada)
(defcustom ada-xref-confirm-compile nil
"*Non-nil means ask for confirmation before compiling or running the application."
:type 'boolean :group 'ada)
(defcustom ada-krunch-args "0"
"*Maximum number of characters for filenames created by `gnatkr'.
Set to 0, if you don't use crunched filenames. This should be a string."
:type 'string :group 'ada)
(defcustom ada-gnatls-args '("-v")
"*Arguments to pass to `gnatfind' to find location of the runtime.
Typical use is to pass `--RTS=soft-floats' on some systems that support it.
You can also add `-I-' if you do not want the current directory to be included.
Otherwise, going from specs to bodies and back will first look for files in the
current directory. This only has an impact if you are not using project files,
but only ADA_INCLUDE_PATH."
:type '(repeat string) :group 'ada)
(defcustom ada-prj-default-comp-opt "-gnatq -gnatQ"
"Default compilation options."
:type 'string :group 'ada)
(defcustom ada-prj-default-bind-opt ""
"Default binder options."
:type 'string :group 'ada)
(defcustom ada-prj-default-link-opt ""
"Default linker options."
:type 'string :group 'ada)
(defcustom ada-prj-default-gnatmake-opt "-g"
"Default options for `gnatmake'."
:type 'string :group 'ada)
(defcustom ada-prj-gnatfind-switches "-rf"
"Default switches to use for `gnatfind'.
You should modify this variable, for instance to add `-a', if you are working
in an environment where most ALI files are write-protected.
The command `gnatfind' is used every time you choose the menu
\"Show all references\"."
:type 'string :group 'ada)
(defcustom ada-prj-default-check-cmd
(concat "${cross_prefix}gnatmake -u -c -gnatc ${gnatmake_opt} ${full_current}"
" -cargs ${comp_opt}")
"*Default command to be used to compile a single file.
Emacs will substitute the current filename for ${full_current}, or add
the filename at the end. This is the same syntax as in the project file."
:type 'string :group 'ada)
(defcustom ada-prj-default-comp-cmd
(concat "${cross_prefix}gnatmake -u -c ${gnatmake_opt} ${full_current} -cargs"
" ${comp_opt}")
"*Default command to be used to compile a single file.
Emacs will substitute the current filename for ${full_current}, or add
the filename at the end. This is the same syntax as in the project file."
:type 'string :group 'ada)
(defcustom ada-prj-default-debugger "${cross_prefix}gdb"
"*Default name of the debugger."
:type 'string :group 'ada)
(defcustom ada-prj-default-make-cmd
(concat "${cross_prefix}gnatmake -o ${main} ${main_unit} ${gnatmake_opt} "
"-cargs ${comp_opt} -bargs ${bind_opt} -largs ${link_opt}")
"*Default command to be used to compile the application.
This is the same syntax as in the project file."
:type 'string :group 'ada)
(defcustom ada-prj-default-project-file ""
"*Name of the current project file.
Emacs will not try to use the search algorithm to find the project file if
this string is not empty. It is set whenever a project file is found."
:type '(file :must-match t) :group 'ada)
(defcustom ada-gnatstub-opts "-q -I${src_dir}"
"*List of the options to pass to `gnatsub' to generate the body of a package.
This has the same syntax as in the project file (with variable substitution)."
:type 'string :group 'ada)
(defcustom ada-always-ask-project nil
"*If nil, use default values when no project file was found.
Otherwise, ask the user for the name of the project file to use."
:type 'boolean :group 'ada)
(defconst is-windows (memq system-type (quote (windows-nt)))
"True if we are running on Windows.")
(defcustom ada-tight-gvd-integration nil
"*If non-nil, a new Emacs frame will be swallowed in GVD when debugging.
If GVD is not the debugger used, nothing happens."
:type 'boolean :group 'ada)
(defcustom ada-xref-search-with-egrep t
"*If non-nil, use egrep to find the possible declarations for an entity.
This alternate method is used when the exact location was not found in the
information provided by GNAT. However, it might be expensive if you have a lot
of sources, since it will search in all the files in your project."
:type 'boolean :group 'ada)
(defvar ada-load-project-hook nil
"Hook that is run when loading a project file.
Each function in this hook takes one argument FILENAME, that is the name of
the project file to load.
This hook should be used to support new formats for the project files.
If the function can load the file with the given filename, it should create a
buffer that contains a conversion of the file to the standard format of the
project files, and return that buffer. (The usual \"src_dir=\" or \"obj_dir=\"
lines.) It should return nil if it doesn't know how to convert that project
file.")
(defvar ada-last-prj-file ""
"Name of the last project file entered by the user.")
(defconst ada-prj-file-extension ".adp"
"The extension used for project files.")
(defvar ada-xref-runtime-library-specs-path '()
"Directories where the specs for the standard library is found.
This is used for cross-references.")
(defvar ada-xref-runtime-library-ali-path '()
"Directories where the ali for the standard library is found.
This is used for cross-references.")
(defvar ada-xref-pos-ring '()
"List of positions selected by the cross-references functions.
Used to go back to these positions.")
(defvar ada-cd-command
(if (string-match "cmdproxy.exe" shell-file-name)
"cd /d"
"cd")
"Command to use to change to a specific directory.
On Windows systems using `cmdproxy.exe' as the shell,
we need to use `/d' or the drive is never changed.")
(defvar ada-command-separator (if is-windows " && " "\n")
"Separator to use between multiple commands to `compile' or `start-process'.
`cmdproxy.exe' doesn't recognize multiple-line commands, so we have to use
\"&&\" for now.")
(defconst ada-xref-pos-ring-max 16
"Number of positions kept in the list `ada-xref-pos-ring'.")
(defvar ada-operator-re
"\\+\\|-\\|/\\|\\*\\*\\|\\*\\|=\\|&\\|abs\\|mod\\|rem\\|and\\|not\\|or\\|xor\\|<=\\|<\\|>=\\|>"
"Regexp to match for operators.")
(defvar ada-xref-project-files '()
"Associative list of project files with properties.
It has the format: (project project ...)
A project has the format: (project-file . project-plist)
\(See 'apropos plist' for operations on property lists).
See `ada-xref-set-default-prj-values' for the list of valid properties.
The current project is retrieved with `ada-xref-current-project'.
Properties are retrieved with `ada-xref-get-project-field', set with
`ada-xref-set-project-field'. If project properties are accessed with no
project file, a (nil . default-properties) entry is created.")
(defmacro ada-make-identlist () (make-vector 8 nil))
(defmacro ada-name-of (identlist) (list 'aref identlist 0))
(defmacro ada-line-of (identlist) (list 'aref identlist 1))
(defmacro ada-column-of (identlist) (list 'aref identlist 2))
(defmacro ada-file-of (identlist) (list 'aref identlist 3))
(defmacro ada-ali-index-of (identlist) (list 'aref identlist 4))
(defmacro ada-declare-file-of (identlist) (list 'aref identlist 5))
(defmacro ada-references-of (identlist) (list 'aref identlist 6))
(defmacro ada-on-declaration (identlist) (list 'aref identlist 7))
(defmacro ada-set-name (identlist name) (list 'aset identlist 0 name))
(defmacro ada-set-line (identlist line) (list 'aset identlist 1 line))
(defmacro ada-set-column (identlist col) (list 'aset identlist 2 col))
(defmacro ada-set-file (identlist file) (list 'aset identlist 3 file))
(defmacro ada-set-ali-index (identlist index) (list 'aset identlist 4 index))
(defmacro ada-set-declare-file (identlist file) (list 'aset identlist 5 file))
(defmacro ada-set-references (identlist ref) (list 'aset identlist 6 ref))
(defmacro ada-set-on-declaration (ident value) (list 'aset ident 7 value))
(defsubst ada-get-ali-buffer (file)
"Read the ali file FILE into a new buffer, and return the buffer's name."
(find-file-noselect (ada-get-ali-file-name file)))
(defun ada-quote-cmd (cmd)
"Duplicate all `\\' characters in CMD so that it can be passed to `compile'."
(mapconcat 'identity (split-string cmd "\\\\") "\\\\"))
(defun ada-find-executable (exec-name)
"Find the full path to the executable file EXEC-NAME.
On Windows systems, this will properly handle .exe extension as well"
(or (ada-find-file-in-dir exec-name exec-path)
(ada-find-file-in-dir (concat exec-name ".exe") exec-path)
exec-name))
(defun ada-initialize-runtime-library (cross-prefix)
"Initialize the variables for the runtime library location.
CROSS-PREFIX is the prefix to use for the `gnatls' command."
(save-excursion
(setq ada-xref-runtime-library-specs-path '()
ada-xref-runtime-library-ali-path '())
(set-buffer (get-buffer-create "*gnatls*"))
(widen)
(erase-buffer)
(condition-case nil
(unwind-protect
(progn
(let ((gnatls
(ada-find-executable (concat cross-prefix "gnatls"))))
(apply 'call-process gnatls (append '(nil t nil) ada-gnatls-args)))
(goto-char (point-min))
(search-forward "Source Search Path:")
(forward-line 1)
(while (not (looking-at "^$"))
(back-to-indentation)
(if (looking-at "<Current_Directory>")
(add-to-list 'ada-xref-runtime-library-specs-path ".")
(add-to-list 'ada-xref-runtime-library-specs-path
(buffer-substring-no-properties
(point)
(save-excursion (end-of-line) (point)))))
(forward-line 1))
(search-forward "Object Search Path:")
(forward-line 1)
(while (not (looking-at "^$"))
(back-to-indentation)
(if (looking-at "<Current_Directory>")
(add-to-list 'ada-xref-runtime-library-ali-path ".")
(add-to-list 'ada-xref-runtime-library-ali-path
(buffer-substring-no-properties
(point)
(save-excursion (end-of-line) (point)))))
(forward-line 1))
)
(kill-buffer nil))
(error nil))
(set 'ada-xref-runtime-library-specs-path
(reverse ada-xref-runtime-library-specs-path))
(set 'ada-xref-runtime-library-ali-path
(reverse ada-xref-runtime-library-ali-path))
))
(defun ada-treat-cmd-string (cmd-string)
"Replace meta-sequences like ${...} in CMD-STRING with the appropriate value.
Assumes project exists.
As a special case, ${current} is replaced with the name of the current
file, minus extension but with directory, and ${full_current} is
replaced by the name including the extension."
(while (string-match "\\(-[^-\$IO]*[IO]\\)?\${\\([^}]+\\)}" cmd-string)
(let (value
(name (match-string 2 cmd-string)))
(cond
((string= name "current")
(setq value (file-name-sans-extension (buffer-file-name))))
((string= name "full_current")
(setq value (buffer-file-name)))
(t
(save-match-data
(setq value (ada-xref-get-project-field (intern name))))))
(if (null value)
(if (not (setq value (getenv name)))
(message "%s" (concat "No environment variable " name " found"))))
(cond
((null value)
(setq cmd-string (replace-match "" t t cmd-string)))
((stringp value)
(setq cmd-string (replace-match value t t cmd-string)))
((listp value)
(let ((prefix (match-string 1 cmd-string)))
(setq cmd-string (replace-match
(mapconcat (lambda(x) (concat prefix x)) value " ")
t t cmd-string)))))
))
cmd-string)
(defun ada-xref-set-default-prj-values (symbol ada-buffer)
"Reset the properties in SYMBOL to the default values for ADA-BUFFER."
(let ((file (buffer-file-name ada-buffer))
plist)
(save-excursion
(set-buffer ada-buffer)
(set 'plist
(list 'filename (expand-file-name
(cond
(ada-prj-default-project-file
ada-prj-default-project-file)
(file (ada-prj-find-prj-file file t))
(t
(message (concat "Not editing an Ada file,"
"and no default project "
"file specified!"))
"")))
'build_dir (file-name-as-directory (expand-file-name "."))
'src_dir (list ".")
'obj_dir (list ".")
'casing (if (listp ada-case-exception-file)
ada-case-exception-file
(list ada-case-exception-file))
'comp_opt ada-prj-default-comp-opt
'bind_opt ada-prj-default-bind-opt
'link_opt ada-prj-default-link-opt
'gnatmake_opt ada-prj-default-gnatmake-opt
'gnatfind_opt ada-prj-gnatfind-switches
'main (if file
(file-name-nondirectory
(file-name-sans-extension file))
"")
'main_unit (if file
(file-name-nondirectory
(file-name-sans-extension file))
"")
'cross_prefix ""
'remote_machine ""
'comp_cmd (list ada-prj-default-comp-cmd)
'check_cmd (list ada-prj-default-check-cmd)
'make_cmd (list ada-prj-default-make-cmd)
'run_cmd (list (concat "./${main}" (if is-windows ".exe")))
'debug_pre_cmd (list (concat ada-cd-command " ${build_dir}"))
'debug_cmd (concat ada-prj-default-debugger
" ${main}" (if is-windows ".exe"))
'debug_post_cmd (list nil)))
)
(set symbol plist)))
(defun ada-xref-get-project-field (field)
"Extract the value of FIELD from the current project file.
Project variables are substituted.
Note that for src_dir and obj_dir, you should rather use
`ada-xref-get-src-dir-field' or `ada-xref-get-obj-dir-field'
which will in addition return the default paths."
(let* ((project-plist (cdr (ada-xref-current-project)))
value)
(set 'value (plist-get project-plist field))
(cond
((stringp value)
(ada-treat-cmd-string value))
((null value)
nil)
((listp value)
(mapcar (lambda(x) (if x (ada-treat-cmd-string x) x)) value))
(t
value)
)
))
(defun ada-xref-get-src-dir-field ()
"Return the full value for src_dir, including the default directories.
All the directories are returned as absolute directories."
(let ((build-dir (ada-xref-get-project-field 'build_dir)))
(append
(list build-dir)
(ada-get-absolute-dir-list (ada-xref-get-project-field 'src_dir)
build-dir)
ada-xref-runtime-library-specs-path)))
(defun ada-xref-get-obj-dir-field ()
"Return the full value for obj_dir, including the default directories.
All the directories are returned as absolute directories."
(let ((build-dir (ada-xref-get-project-field 'build_dir)))
(append
(list build-dir)
(ada-get-absolute-dir-list (ada-xref-get-project-field 'obj_dir)
build-dir)
ada-xref-runtime-library-ali-path)))
(defun ada-xref-set-project-field (field value)
"Set FIELD to VALUE in current project. Assumes project exists."
(let* ((file-name (ada-xref-current-project-file))
(project-plist (cdr (assoc file-name ada-xref-project-files))))
(setq project-plist (plist-put project-plist field value))
(setcdr (assoc file-name ada-xref-project-files) project-plist)))
(defun ada-xref-update-project-menu ()
"Update the menu Ada->Project, with the list of available project files."
(let ((submenu
`("Project"
["Load..." ada-set-default-project-file t]
["New..." ada-prj-new t]
["Edit..." ada-prj-edit t]
"---"
,@(mapcar
(lambda (x)
(let ((name (or (car x) "<default>"))
(command `(lambda ()
"Change the active project file."
(interactive)
(ada-parse-prj-file ,(car x))
(set 'ada-prj-default-project-file ,(car x))
(ada-xref-update-project-menu))))
(vector
(if (string= (file-name-extension name)
ada-prj-file-extension)
(file-name-sans-extension
(file-name-nondirectory name))
(file-name-nondirectory name))
command
:button (cons
:toggle
(equal ada-prj-default-project-file
(car x))
))))
(or ada-xref-project-files '(nil))))))
(easy-menu-add-item ada-mode-menu '() submenu)))
(defun ada-do-file-completion (string predicate flag)
"Completion function when reading a file from the minibuffer.
Completion is attempted in all the directories in the source path, as
defined in the project file."
(let (list
(dirs (ada-xref-get-src-dir-field)))
(while dirs
(if (file-directory-p (car dirs))
(set 'list (append list (file-name-all-completions string (car dirs)))))
(set 'dirs (cdr dirs)))
(cond ((equal flag 'lambda)
(assoc string list))
(flag
list)
(t
(try-completion string
(mapcar (lambda (x) (cons x 1)) list)
predicate)))))
(defun ada-find-file (filename)
"Open FILENAME, from anywhere in the source path.
Completion is available."
(interactive
(list (completing-read "File: " 'ada-do-file-completion)))
(let ((file (ada-find-src-file-in-dir filename)))
(if file
(find-file file)
(error (concat filename " not found in src_dir")))))
(defun ada-require-project-file ()
"If the current project does not exist, load or create a default one.
Should only be called from interactive functions."
(if (not (ada-xref-current-project t))
(ada-reread-prj-file)))
(defun ada-xref-current-project-file (&optional no-user-question)
"Return the current project file name; never nil unless NO-USER-QUESTION.
If NO-USER-QUESTION, don't prompt user for file. Call
`ada-require-project-file' first if a project must exist."
(if (not (string= "" ada-prj-default-project-file))
ada-prj-default-project-file
(ada-prj-find-prj-file nil no-user-question)))
(defun ada-xref-current-project (&optional no-user-question)
"Return the current project; nil if none.
If NO-USER-QUESTION, don't prompt user for file. Call
`ada-require-project-file' first if a project must exist."
(let* ((file-name (ada-xref-current-project-file no-user-question)))
(assoc file-name ada-xref-project-files)))
(defun ada-show-current-project ()
"Display current project file name in message buffer."
(interactive)
(message (ada-xref-current-project-file)))
(defun ada-show-current-main ()
"Display current main unit name in message buffer."
(interactive)
(message "ada-mode main_unit: %s" (ada-xref-get-project-field 'main_unit)))
(defun ada-xref-push-pos (filename position)
"Push (FILENAME, POSITION) on the position ring for cross-references."
(setq ada-xref-pos-ring (cons (list position filename) ada-xref-pos-ring))
(if (> (length ada-xref-pos-ring) ada-xref-pos-ring-max)
(setcdr (nthcdr (1- ada-xref-pos-ring-max) ada-xref-pos-ring) nil)))
(defun ada-xref-goto-previous-reference ()
"Go to the previous cross-reference we were on."
(interactive)
(if ada-xref-pos-ring
(let ((pos (car ada-xref-pos-ring)))
(setq ada-xref-pos-ring (cdr ada-xref-pos-ring))
(find-file (car (cdr pos)))
(goto-char (car pos)))))
(defun ada-convert-file-name (name)
"Convert from NAME to a name that can be used by the compilation commands.
This is overriden on VMS to convert from VMS filenames to Unix filenames."
name)
(defun ada-set-default-project-file (name &optional keep-existing)
"Set the file whose name is NAME as the default project file.
If KEEP-EXISTING is true and a project file has already been loaded, nothing
is done. This is meant to be used from `ada-mode-hook', for instance, to force
a project file unless the user has already loaded one."
(interactive "fProject file:")
(if (or (not keep-existing)
(not ada-prj-default-project-file)
(equal ada-prj-default-project-file ""))
(progn
(setq ada-prj-default-project-file name)
(ada-reread-prj-file name))))
(defun ada-prj-find-prj-file (&optional file no-user-question)
"Find the project file associated with FILE (or the current buffer if nil).
If the buffer is not in Ada mode, or not associated with a file,
return `ada-prj-default-project-file'. Otherwise, search for a file with
the same base name as the Ada file, but extension given by
`ada-prj-file-extension' (default .adp). If not found, search for *.adp
in the current directory; if several are found, and NO-USER-QUESTION
is non-nil, prompt the user to select one. If none are found, return
'default.adp'."
(let (selected)
(if (or (not (string= mode-name "Ada"))
(not (buffer-file-name)))
(if (and ada-prj-default-project-file
(not (string= ada-prj-default-project-file "")))
(setq selected ada-prj-default-project-file)
(setq selected nil))
(let* ((current-file (or file (buffer-file-name)))
(first-choice (concat
(file-name-sans-extension current-file)
ada-prj-file-extension))
(dir (file-name-directory current-file))
(parse-sexp-lookup-properties nil)
(prj-files (directory-files
dir t
(concat ".*" (regexp-quote
ada-prj-file-extension) "$")))
(choice nil))
(cond
((file-exists-p first-choice)
(set 'selected first-choice))
((= (length prj-files) 1)
(set 'selected (car prj-files)))
((and (> (length prj-files) 1) (not no-user-question))
(save-window-excursion
(with-output-to-temp-buffer "*choice list*"
(princ "There are more than one possible project file.\n")
(princ "Which one should we use ?\n\n")
(princ " no. file name \n")
(princ " --- ------------------------\n")
(let ((counter 1))
(while (<= counter (length prj-files))
(princ (format " %2d) %s\n"
counter
(nth (1- counter) prj-files)))
(setq counter (1+ counter))
))) (setq choice nil)
(while (or
(not choice)
(not (integerp choice))
(< choice 1)
(> choice (length prj-files)))
(setq choice (string-to-number
(read-from-minibuffer "Enter No. of your choice: "))))
(set 'selected (nth (1- choice) prj-files))))
((= (length prj-files) 0)
(unless (or no-user-question (not ada-always-ask-project))
(setq ada-last-prj-file
(read-file-name
(concat "project file [" ada-last-prj-file "]:")
nil ada-last-prj-file))
(unless (string= ada-last-prj-file "")
(set 'selected ada-last-prj-file))))
)))
(or selected "default.adp")
))
(defun ada-parse-prj-file (prj-file)
"Read PRJ-FILE, set it as the active project."
(if prj-file
(let (project src_dir obj_dir make_cmd comp_cmd check_cmd casing
run_cmd debug_pre_cmd debug_post_cmd
(ada-buffer (current-buffer)))
(setq prj-file (expand-file-name prj-file))
(setq ada-prj-default-project-file prj-file)
(ada-xref-set-default-prj-values 'project (current-buffer))
(if (file-exists-p prj-file)
(progn
(let* ((buffer (run-hook-with-args-until-success
'ada-load-project-hook prj-file)))
(unless buffer
(setq buffer (find-file-noselect prj-file nil)))
(set-buffer buffer))
(widen)
(goto-char (point-min))
(while (not (eobp))
(if (looking-at "^\\([^=]+\\)=\\(.*\\)")
(cond
((string= (match-string 1) "src_dir")
(add-to-list 'src_dir
(file-name-as-directory (match-string 2))))
((string= (match-string 1) "obj_dir")
(add-to-list 'obj_dir
(file-name-as-directory (match-string 2))))
((string= (match-string 1) "casing")
(set 'casing (cons (match-string 2) casing)))
((string= (match-string 1) "build_dir")
(set 'project
(plist-put project 'build_dir
(file-name-as-directory (match-string 2)))))
((string= (match-string 1) "make_cmd")
(add-to-list 'make_cmd (match-string 2)))
((string= (match-string 1) "comp_cmd")
(add-to-list 'comp_cmd (match-string 2)))
((string= (match-string 1) "check_cmd")
(add-to-list 'check_cmd (match-string 2)))
((string= (match-string 1) "run_cmd")
(add-to-list 'run_cmd (match-string 2)))
((string= (match-string 1) "debug_pre_cmd")
(add-to-list 'debug_pre_cmd (match-string 2)))
((string= (match-string 1) "debug_post_cmd")
(add-to-list 'debug_post_cmd (match-string 2)))
(t
(set 'project (plist-put project (intern (match-string 1))
(match-string 2))))))
(forward-line 1))
(if src_dir (set 'project (plist-put project 'src_dir
(reverse src_dir))))
(if obj_dir (set 'project (plist-put project 'obj_dir
(reverse obj_dir))))
(if casing (set 'project (plist-put project 'casing
(reverse casing))))
(if make_cmd (set 'project (plist-put project 'make_cmd
(reverse make_cmd))))
(if comp_cmd (set 'project (plist-put project 'comp_cmd
(reverse comp_cmd))))
(if check_cmd (set 'project (plist-put project 'check_cmd
(reverse check_cmd))))
(if run_cmd (set 'project (plist-put project 'run_cmd
(reverse run_cmd))))
(if debug_post_cmd (set 'project (plist-put project 'debug_post_cmd
(reverse debug_post_cmd))))
(if debug_pre_cmd (set 'project (plist-put project 'debug_pre_cmd
(reverse debug_pre_cmd))))
(set-buffer ada-buffer)
)
(set 'project
(plist-put project 'src_dir
(append
(list command-line-default-directory)
(split-string (or (getenv "ADA_INCLUDE_PATH") "") ":")
(list "." default-directory))))
(set 'project
(plist-put project 'obj_dir
(append
(list command-line-default-directory)
(split-string (or (getenv "ADA_OBJECTS_PATH") "") ":")
(list "." default-directory))))
)
(if (assoc nil ada-xref-project-files)
(setq ada-xref-project-files nil))
(if (assoc prj-file ada-xref-project-files)
(setcdr (assoc prj-file ada-xref-project-files) project)
(add-to-list 'ada-xref-project-files (cons prj-file project)))
(setq compilation-search-path (ada-xref-get-src-dir-field))
(if casing
(progn
(setq ada-case-exception-file (reverse casing))
(ada-case-read-exceptions)))
(setq ada-search-directories-internal
(append (mapcar 'directory-file-name compilation-search-path)
ada-search-directories))
(ada-xref-update-project-menu)
)
(setq compilation-search-path (list nil default-directory))
))
(defun ada-find-references (&optional pos arg local-only)
"Find all references to the entity under POS.
Calls gnatfind to find the references.
If ARG is t, the contents of the old *gnatfind* buffer is preserved.
If LOCAL-ONLY is t, only the declarations in the current file are returned."
(interactive "d\nP")
(ada-require-project-file)
(let* ((identlist (ada-read-identifier pos))
(alifile (ada-get-ali-file-name (ada-file-of identlist)))
(process-environment (ada-set-environment)))
(set-buffer (get-file-buffer (ada-file-of identlist)))
(if (or (buffer-modified-p (current-buffer))
(file-newer-than-file-p (ada-file-of identlist) alifile))
(ada-find-any-references (ada-name-of identlist)
(ada-file-of identlist)
nil nil local-only arg)
(ada-find-any-references (ada-name-of identlist)
(ada-file-of identlist)
(ada-line-of identlist)
(ada-column-of identlist) local-only arg)))
)
(defun ada-find-local-references (&optional pos arg)
"Find all references to the entity under POS.
Calls `gnatfind' to find the references.
If ARG is t, the contents of the old *gnatfind* buffer is preserved."
(interactive "d\nP")
(ada-find-references pos arg t))
(defun ada-find-any-references
(entity &optional file line column local-only append)
"Search for references to any entity whose name is ENTITY.
ENTITY was first found the location given by FILE, LINE and COLUMN.
If LOCAL-ONLY is t, then list only the references in FILE, which
is much faster.
If APPEND is t, then append the output of the command to the existing
buffer `*gnatfind*', if there is one."
(interactive "sEntity name: ")
(ada-require-project-file)
(let* ((quote-entity
(if (= (aref entity 0) ?\")
(if is-windows
(concat "\\\"" (substring entity 1 -1) "\\\"")
(concat "'\"" (substring entity 1 -1) "\"'"))
entity))
(switches (ada-xref-get-project-field 'gnatfind_opt))
(command (concat "gnat find " switches " "
quote-entity
(if file (concat ":" (file-name-nondirectory file)))
(if line (concat ":" line))
(if column (concat ":" column))
(if local-only (concat " " (file-name-nondirectory file)))
))
old-contents)
(if (and ada-prj-default-project-file
(not (string= ada-prj-default-project-file "")))
(if (string-equal (file-name-extension ada-prj-default-project-file)
"gpr")
(setq command (concat command " -P" ada-prj-default-project-file))
(setq command (concat command " -p" ada-prj-default-project-file))))
(if (and append (get-buffer "*gnatfind*"))
(save-excursion
(set-buffer "*gnatfind*")
(setq old-contents (buffer-string))))
(let ((compilation-error "reference"))
(compilation-start command))
(save-excursion
(set-buffer "*gnatfind*")
(local-unset-key [menu-bar compilation-menu])
(if old-contents
(progn
(goto-char 1)
(insert old-contents)
(goto-char (point-max)))))
)
)
(defalias 'ada-change-prj (symbol-function 'ada-set-default-project-file))
(defun ada-complete-identifier (pos)
"Try to complete the identifier around POS, using compiler cross-reference information."
(interactive "d")
(ada-require-project-file)
(let* ((curbuf (current-buffer))
(identlist (ada-read-identifier pos))
(sofar (concat "^[0-9]+[a-zA-Z][0-9]+[ *]\\("
(regexp-quote (ada-name-of identlist))
"[a-zA-Z0-9_]*\\)"))
(completed nil)
(symalist nil))
(set-buffer (ada-get-ali-buffer (buffer-file-name)))
(goto-char (point-max))
(while (re-search-backward sofar nil t)
(setq symalist (cons (cons (match-string 1) nil) symalist)))
(setq completed (try-completion "" symalist))
(kill-buffer nil)
(set-buffer curbuf)
(looking-at "[a-zA-Z0-9_]+")
(replace-match "")
(insert completed)
))
(defun ada-point-and-xref ()
"Jump to the declaration of the entity below the cursor."
(interactive)
(mouse-set-point last-input-event)
(ada-goto-declaration (point)))
(defun ada-point-and-xref-body ()
"Jump to the body of the entity under the cursor."
(interactive)
(mouse-set-point last-input-event)
(ada-goto-body (point)))
(defun ada-goto-body (pos &optional other-frame)
"Display the body of the entity around POS.
OTHER-FRAME non-nil means display in another frame.
If the entity doesn't have a body, display its declaration.
As a side effect, the buffer for the declaration is also open."
(interactive "d")
(ada-goto-declaration pos other-frame)
(let ((ada-xref-other-buffer nil))
(ada-goto-declaration (point) nil)))
(defun ada-goto-declaration (pos &optional other-frame)
"Display the declaration of the identifier around POS.
The declaration is shown in another buffer if `ada-xref-other-buffer' is
non-nil.
If OTHER-FRAME is non-nil, display the cross-reference in another frame."
(interactive "d")
(ada-require-project-file)
(push-mark pos)
(ada-xref-push-pos (buffer-file-name) pos)
(let ((identlist (ada-read-identifier pos)))
(condition-case err
(ada-find-in-ali identlist other-frame)
(error-file-not-found
(message (concat (error-message-string err)
(nthcdr 1 err))))
(error
(let ((ali-file (ada-get-ali-file-name (ada-file-of identlist))))
(if (and (file-exists-p ali-file)
(file-newer-than-file-p ali-file (ada-file-of identlist)))
(message "No cross-reference found -- may be a predefined entity.")
(if ada-xref-search-with-egrep
(ada-find-in-src-path identlist other-frame)
(message "Cross-referencing information is not up-to-date; please recompile.")
)))))))
(defun ada-goto-declaration-other-frame (pos)
"Display the declaration of the identifier around POS.
The declation is shown in another frame if `ada-xref-other-buffer' is non-nil."
(interactive "d")
(ada-goto-declaration pos t))
(defun ada-remote (command)
"Return the remote version of COMMAND, or COMMAND if remote_machine is nil."
(let ((machine (ada-xref-get-project-field 'remote_machine)))
(if (or (not machine) (string= machine ""))
command
(format "%s %s '(%s)'"
remote-shell-program
machine
command))))
(defun ada-get-absolute-dir-list (dir-list root-dir)
"Return the list of absolute directories found in DIR-LIST.
If a directory is a relative directory, ROOT-DIR is prepended."
(mapcar (lambda (x) (expand-file-name x root-dir)) dir-list))
(defun ada-set-environment ()
"Prepare an environment for Ada compilation.
This returns a new value to use for `process-environment',
but does not actually put it into use.
It modifies the source path and object path with the values found in the
project file."
(let ((include (getenv "ADA_INCLUDE_PATH"))
(objects (getenv "ADA_OBJECTS_PATH"))
(build-dir (ada-xref-get-project-field 'build_dir)))
(if include
(set 'include (concat path-separator include)))
(if objects
(set 'objects (concat path-separator objects)))
(cons
(concat "ADA_INCLUDE_PATH="
(mapconcat (lambda(x) (expand-file-name x build-dir))
(ada-xref-get-project-field 'src_dir)
path-separator)
include)
(cons
(concat "ADA_OBJECTS_PATH="
(mapconcat (lambda(x) (expand-file-name x build-dir))
(ada-xref-get-project-field 'obj_dir)
path-separator)
objects)
process-environment))))
(defun ada-compile-application (&optional arg)
"Compile the application, using the command found in the project file.
If ARG is not nil, ask for user confirmation."
(interactive "P")
(ada-require-project-file)
(let ((cmd (ada-xref-get-project-field 'make_cmd))
(process-environment (ada-set-environment))
(compilation-scroll-output t))
(setq compilation-search-path (ada-xref-get-src-dir-field))
(unless cmd
(setq cmd '("") arg t))
(setq cmd (ada-remote (mapconcat 'identity cmd ada-command-separator)))
(if (or ada-xref-confirm-compile arg)
(setq cmd (read-from-minibuffer "enter command to compile: " cmd)))
(if (not (string-match ".exe" shell-file-name))
(setq cmd (concat cmd "\n\n")))
(compile (ada-quote-cmd cmd))))
(defun ada-set-main-compile-application ()
"Set main_unit and main project variables to current buffer, build main."
(interactive)
(ada-require-project-file)
(let* ((file (buffer-file-name (current-buffer)))
main)
(if (not file)
(error "No file for current buffer")
(setq main
(if file
(file-name-nondirectory
(file-name-sans-extension file))
""))
(ada-xref-set-project-field 'main main)
(ada-xref-set-project-field 'main_unit main)
(ada-compile-application))))
(defun ada-compile-current (&optional arg prj-field)
"Recompile the current file.
If ARG is not nil, ask for user confirmation of the command.
PRJ-FIELD is the name of the field to use in the project file to get the
command, and should be either `comp_cmd' (default) or `check_cmd'."
(interactive "P")
(ada-require-project-file)
(let* ((field (if prj-field prj-field 'comp_cmd))
(cmd (ada-xref-get-project-field field))
(process-environment (ada-set-environment))
(compilation-scroll-output t))
(setq compilation-search-path (ada-xref-get-src-dir-field))
(unless cmd
(setq cmd '("") arg t))
(setq cmd (ada-remote (mapconcat 'identity cmd ada-command-separator)))
(if (or ada-xref-confirm-compile arg)
(setq cmd (read-from-minibuffer "enter command to compile: " cmd)))
(compile (ada-quote-cmd cmd))))
(defun ada-check-current (&optional arg)
"Check the current file for syntax errors.
If ARG is not nil, ask for user confirmation of the command."
(interactive "P")
(ada-compile-current arg 'check_cmd))
(defun ada-run-application (&optional arg)
"Run the application.
if ARG is not-nil, ask for user confirmation."
(interactive)
(ada-require-project-file)
(let ((machine (ada-xref-get-project-field 'cross_prefix)))
(if (and machine (not (string= machine "")))
(error "This feature is not supported yet for cross environments")))
(let ((command (ada-xref-get-project-field 'run_cmd)))
(if (not command)
(set 'command (list (file-name-sans-extension (buffer-name)))))
(setq command (ada-remote (mapconcat 'identity command
ada-command-separator)))
(if (or ada-xref-confirm-compile arg)
(setq command (read-from-minibuffer "Enter command to execute: "
command)))
(save-excursion
(set-buffer (get-buffer-create "*run*"))
(set 'buffer-read-only nil)
(erase-buffer)
(start-process "run" (current-buffer) shell-file-name
"-c" command)
(comint-mode)
(set (make-local-variable 'scroll-step) 0)
(set (make-local-variable 'scroll-conservatively) 0)
)
(display-buffer "*run*")
(other-window 1)
(switch-to-buffer "*run*")
))
(defun ada-gdb-application (&optional arg executable-name)
"Start the debugger on the application.
If ARG is non-nil, ask the user to confirm the command.
EXECUTABLE-NAME, if non-nil, is debugged instead of the file specified in the
project file."
(interactive "P")
(ada-require-project-file)
(let ((buffer (current-buffer))
cmd pre-cmd post-cmd)
(setq cmd (if executable-name
(concat ada-prj-default-debugger " " executable-name)
(ada-xref-get-project-field 'debug_cmd))
pre-cmd (ada-xref-get-project-field 'debug_pre_cmd)
post-cmd (ada-xref-get-project-field 'debug_post_cmd))
(if (not cmd)
(set 'cmd (concat ada-prj-default-debugger
" "
(or executable-name
(file-name-sans-extension (buffer-file-name))))))
(if (and ada-tight-gvd-integration
(string-match "^[^ \t]*gvd" cmd))
(let ((frame (make-frame '((visibility . nil)))))
(set 'cmd (concat
cmd " --editor-window="
(cdr (assoc 'outer-window-id (frame-parameters frame)))))
(select-frame frame)))
(set 'cmd (ada-remote (concat cmd " -fullname ")))
(if (or arg ada-xref-confirm-compile)
(set 'cmd (read-from-minibuffer "enter command to debug: " cmd)))
(let ((old-comint-exec (symbol-function 'comint-exec)))
(fset 'gud-gdb-massage-args (lambda (file args) args))
(set 'pre-cmd (mapconcat 'identity pre-cmd ada-command-separator))
(if (not (equal pre-cmd ""))
(setq pre-cmd (concat pre-cmd ada-command-separator)))
(set 'post-cmd (mapconcat 'identity post-cmd "\n"))
(if post-cmd
(set 'post-cmd (concat post-cmd "\n")))
(fset 'comint-exec
`(lambda (buffer name command startfile switches)
(let (compilation-buffer-name-function)
(save-excursion
(set 'compilation-buffer-name-function
(lambda(x) (buffer-name buffer)))
(compile (ada-quote-cmd
(concat ,pre-cmd
command " "
(mapconcat 'identity switches " "))))))
))
(if (and (string-match "gvd" (comint-arguments cmd 0 0))
ada-tight-gvd-integration
(not (string-match "--tty" cmd)))
(setq cmd (concat cmd "--tty")))
(if (and (string-match "jdb" (comint-arguments cmd 0 0))
(boundp 'jdb))
(funcall (symbol-function 'jdb) cmd)
(gdb cmd))
(fset 'comint-exec old-comint-exec)
(process-send-string (get-buffer-process (current-buffer)) post-cmd)
(goto-char (point-max))
(if (or (not (string-match "gvd" (comint-arguments cmd 0 0)))
(string-match "--tty" cmd))
(split-window-vertically))
(switch-to-buffer buffer)
)))
(defun ada-reread-prj-file (&optional filename)
"Reread either the current project, or FILENAME if non-nil."
(interactive "P")
(if filename
(ada-parse-prj-file filename)
(ada-parse-prj-file (ada-prj-find-prj-file)))
(ada-initialize-runtime-library
(or (ada-xref-get-project-field 'cross_prefix) ""))
)
(defun ada-xref-current (file &optional ali-file-name)
"Update the cross-references for FILE.
This in fact recompiles FILE to create ALI-FILE-NAME.
This function returns the name of the file that was recompiled to generate
the cross-reference information. Note that the ali file can then be deduced
by replacing the file extension with `.ali'."
(if (and ali-file-name
(get-file-buffer ali-file-name))
(kill-buffer (get-file-buffer ali-file-name)))
(let* ((name (ada-convert-file-name file))
(body-name (or (ada-get-body-name name) name)))
(save-excursion
(let ((body-visible (find-buffer-visiting body-name))
process)
(if body-visible
(set-buffer body-visible)
(find-file body-name))
(ada-compile-current)
(setq process (get-buffer-process "*compilation*"))
(while (and process
(not (equal (process-status process) 'exit)))
(sit-for 1))
(unless body-visible
(kill-buffer (find-buffer-visiting body-name)))
))
body-name))
(defun ada-find-file-in-dir (file dir-list)
"Search for FILE in DIR-LIST."
(let (found)
(while (and (not found) dir-list)
(set 'found (concat (file-name-as-directory (car dir-list))
(file-name-nondirectory file)))
(unless (file-exists-p found)
(set 'found nil))
(set 'dir-list (cdr dir-list)))
found))
(defun ada-find-ali-file-in-dir (file)
"Find the ali file FILE, searching obj_dir for the current project.
Adds build_dir in front of the search path to conform to gnatmake's behavior,
and the standard runtime location at the end."
(ada-find-file-in-dir file (ada-xref-get-obj-dir-field)))
(defun ada-find-src-file-in-dir (file)
"Find the source file FILE, searching src_dir for the current project.
Adds the standard runtime location at the end of the search path to conform
to gnatmake's behavior."
(ada-find-file-in-dir file (ada-xref-get-src-dir-field)))
(defun ada-get-ali-file-name (file)
"Create the ali file name for the ada-file FILE.
The file is searched for in every directory shown in the obj_dir lines of
the project file."
(save-excursion
(set-buffer (get-file-buffer file))
(let ((short-ali-file-name
(concat (file-name-sans-extension (file-name-nondirectory file))
".ali"))
ali-file-name
is-spec)
(if (not (string= (file-name-extension file) "ads"))
(let ((specs ada-spec-suffixes))
(while specs
(if (string-match (concat (regexp-quote (car specs)) "$")
file)
(set 'is-spec t))
(set 'specs (cdr specs)))))
(if is-spec
(set 'ali-file-name
(ada-find-ali-file-in-dir
(concat (file-name-sans-extension
(file-name-nondirectory
(ada-other-file-name)))
".ali"))))
(setq ali-file-name
(or ali-file-name
(ada-find-ali-file-in-dir short-ali-file-name)
(ada-find-ali-file-in-dir
(concat (file-name-sans-extension
(file-name-nondirectory (ada-other-file-name)))
".ali"))
(let ((parent-name (file-name-sans-extension
(file-name-nondirectory file))))
(while (and (not ali-file-name)
(string-match "^\\(.*\\)[.-][^.-]*" parent-name))
(set 'parent-name (match-string 1 parent-name))
(set 'ali-file-name (ada-find-ali-file-in-dir
(concat parent-name ".ali")))
)
ali-file-name)))
(if (not ali-file-name)
(if ada-xref-create-ali
(setq ali-file-name
(concat (file-name-sans-extension (ada-xref-current file))
".ali"))
(error "`.ali' file not found; recompile your source file"))
(if (and (file-newer-than-file-p file ali-file-name)
ada-xref-create-ali)
(ada-xref-current file ali-file-name)))
(expand-file-name ali-file-name))
))
(defun ada-get-ada-file-name (file original-file)
"Create the complete file name (+directory) for FILE.
The original file (where the user was) is ORIGINAL-FILE.
Search in project file for possible paths."
(save-excursion
(let ((buffer (get-file-buffer original-file)))
(if buffer
(set-buffer buffer)
(find-file original-file)))
(let ((filename (ada-find-src-file-in-dir file)))
(if filename
(expand-file-name filename)
(signal 'error-file-not-found (file-name-nondirectory file)))
)))
(defun ada-find-file-number-in-ali (file)
"Return the file number for FILE in the associated ali file."
(set-buffer (ada-get-ali-buffer file))
(goto-char (point-min))
(let ((begin (re-search-forward "^D")))
(beginning-of-line)
(re-search-forward (concat "^D " (file-name-nondirectory file)))
(count-lines begin (point))))
(defun ada-read-identifier (pos)
"Return the identlist around POS and switch to the .ali buffer.
The returned list represents the entity, and can be manipulated through the
macros `ada-name-of', `ada-line-of', `ada-column-of', `ada-file-of',..."
(if (>= (point) (point-max))
(error "No identifier on point"))
(goto-char pos)
(skip-chars-backward "a-zA-Z0-9_<>")
(if (ada-in-comment-p)
(error "Inside comment"))
(let (identifier identlist)
(if (= (char-after) ?\")
(forward-char 1))
;; if looking at an operator
;; This is only true if:
;; - the symbol is +, -, ...
;; - the symbol is made of letters, and not followed by _ or a letter
(if (and (looking-at ada-operator-re)
(or (not (= (char-syntax (char-after)) ?w))
(not (or (= (char-syntax (char-after (match-end 0))) ?w)
(= (char-after (match-end 0)) ?_)))))
(progn
(if (and (= (char-before) ?\")
(= (char-after (+ (length (match-string 0)) (point))) ?\"))
(forward-char -1))
(set 'identifier (regexp-quote (concat "\"" (match-string 0) "\""))))
(if (ada-in-string-p)
(error "Inside string or character constant"))
(if (looking-at (concat ada-keywords "[^a-zA-Z_]"))
(error "No cross-reference available for reserved keyword"))
(if (looking-at "[a-zA-Z0-9_]+")
(set 'identifier (match-string 0))
(error "No identifier around")))
(set 'identlist (ada-make-identlist))
(ada-set-name identlist (downcase identifier))
(ada-set-line identlist
(number-to-string (count-lines 1 (point))))
(ada-set-column identlist
(number-to-string (1+ (current-column))))
(ada-set-file identlist (buffer-file-name))
identlist
))
(defun ada-get-all-references (identlist)
"Complete IDENTLIST with definition file and places where it is referenced.
Information is extracted from the ali file."
(let ((ali-buffer (ada-get-ali-buffer (ada-file-of identlist)))
declaration-found)
(set-buffer ali-buffer)
(goto-char (point-min))
(ada-set-on-declaration identlist nil)
(if (re-search-forward
(concat "^X [0-9]+ " (file-name-nondirectory (ada-file-of identlist)))
nil t)
(let ((bound (save-excursion (re-search-forward "^X " nil t))))
(set 'declaration-found
(re-search-forward
(concat "^" (ada-line-of identlist)
"." (ada-column-of identlist)
"[ *]" (ada-name-of identlist)
"[{\[\(<= ]?\\(.*\\)$") bound t))
(if declaration-found
(ada-set-on-declaration identlist t))
))
(unless declaration-found
(goto-char (point-min))
(set 'declaration-found t)
(ada-set-ali-index
identlist
(number-to-string (ada-find-file-number-in-ali
(ada-file-of identlist))))
(unless (re-search-forward (concat (ada-ali-index-of identlist)
"|\\([0-9]+[^0-9][0-9]+\\(\n\\.\\)? \\)*"
(ada-line-of identlist)
"[^etpzkd<>=^]"
(ada-column-of identlist) "\\>")
nil t)
(unless (re-search-forward
(concat
"^[0-9]+.[0-9]+[ *]"
(ada-name-of identlist)
"[ <{=\(\[]\\(.\\|\n\\.\\)*\\<"
(ada-line-of identlist)
"[^0-9]"
(ada-column-of identlist) "\\>")
nil t)
(set 'declaration-found nil)
)
)
(if declaration-found
(progn
(beginning-of-line)
(while (looking-at "^\\.")
(previous-line 1)
(beginning-of-line))
(unless (looking-at (concat "[0-9]+.[0-9]+[ *]"
(ada-name-of identlist) "[ <{=\(\[]"))
(set 'declaration-found nil))))
(unless declaration-found
(if (ada-xref-find-in-modified-ali identlist)
(set 'declaration-found t)
(progn
(kill-buffer ali-buffer)
(error (concat "No declaration of " (ada-name-of identlist)
" found."))
)))
)
(beginning-of-line)
(if declaration-found
(let ((current-line (buffer-substring
(point) (save-excursion (end-of-line) (point)))))
(save-excursion
(next-line 1)
(beginning-of-line)
(while (looking-at "^\\.\\(.*\\)")
(set 'current-line (concat current-line (match-string 1)))
(next-line 1))
)
(if (re-search-backward "^X [0-9]+ \\([a-zA-Z0-9_.-]+\\)" nil t)
(condition-case err
(ada-set-declare-file
identlist
(ada-get-ada-file-name (match-string 1)
(ada-file-of identlist)))
(error-file-not-found
(signal (car err) (cdr err)))
(error
(kill-buffer ali-buffer)
(error (error-message-string err)))
))
(ada-set-references identlist current-line)
))
))
(defun ada-xref-find-in-modified-ali (identlist)
"Find the matching position for IDENTLIST in the current ali buffer.
This function is only called when the file was not up-to-date, so we need
to make some guesses.
This function is disabled for operators, and only works for identifiers."
(unless (= (string-to-char (ada-name-of identlist)) ?\")
(progn
(let ((declist '()) ;;; ( (line_in_ali_file line_in_ada) ( ... ))
(my-regexp (concat "[ *]"
(regexp-quote (ada-name-of identlist)) " "))
(line-ada "--")
(col-ada "--")
(line-ali 0)
(len 0)
(choice 0)
(ali-buffer (current-buffer)))
(goto-char (point-max))
(while (re-search-backward my-regexp nil t)
(save-excursion
(set 'line-ali (count-lines 1 (point)))
(beginning-of-line)
;; have a look at the line and column numbers
(if (looking-at "^\\([0-9]+\\).\\([0-9]+\\)[ *]")
(progn
(setq line-ada (match-string 1))
(setq col-ada (match-string 2)))
(setq line-ada "--")
(setq col-ada "--")
)
;; construct a list with the file names and the positions within
(if (re-search-backward "^X [0-9]+ \\([a-zA-Z0-9._-]+\\)" nil t)
(add-to-list
'declist (list line-ali (match-string 1) line-ada col-ada))
)
)
)
;; how many possible declarations have we found ?
(setq len (length declist))
(cond
;; none => error
((= len 0)
(kill-buffer (current-buffer))
(error (concat "No declaration of "
(ada-name-of identlist)
" recorded in .ali file")))
;; one => should be the right one
((= len 1)
(goto-line (caar declist)))
;; more than one => display choice list
(t
(save-window-excursion
(with-output-to-temp-buffer "*choice list*"
(princ "Identifier is overloaded and Xref information is not up to date.\n")
(princ "Possible declarations are:\n\n")
(princ " no. in file at line col\n")
(princ " --- --------------------- ---- ----\n")
(let ((counter 0))
(while (< counter len)
(princ (format " %2d) %-21s %4s %4s\n"
(1+ counter)
(ada-get-ada-file-name
(nth 1 (nth counter declist))
(ada-file-of identlist))
(nth 2 (nth counter declist))
(nth 3 (nth counter declist))
))
(setq counter (1+ counter))
) ; end of while
) ; end of let
) ; end of with-output-to ...
(setq choice nil)
(while (or
(not choice)
(not (integerp choice))
(< choice 1)
(> choice len))
(setq choice
(string-to-number
(read-from-minibuffer "Enter No. of your choice: "))))
)
(set-buffer ali-buffer)
(goto-line (car (nth (1- choice) declist)))
))))))
(defun ada-find-in-ali (identlist &optional other-frame)
"Look in the .ali file for the definition of the identifier in IDENTLIST.
If OTHER-FRAME is non-nil, and `ada-xref-other-buffer' is non-nil,
opens a new window to show the declaration."
(ada-get-all-references identlist)
(let ((ali-line (ada-references-of identlist))
(locations nil)
(start 0)
file line col)
;; Note: in some cases, an entity can have multiple references to the
;; bodies (this is for instance the case for a separate subprogram, that
;; has a reference both to the stub and to the real body).
;; In that case, we simply go to each one in turn.
;; Get all the possible locations
(string-match "^\\([0-9]+\\)[a-zA-Z+*]\\([0-9]+\\)[ *]" ali-line)
(set 'locations (list (list (match-string 1 ali-line) ;; line
(match-string 2 ali-line) ;; column
(ada-declare-file-of identlist))))
(while (string-match "\\([0-9]+\\)[bc]\\(<[^>]+>\\)?\\([0-9]+\\)"
ali-line start)
(setq line (match-string 1 ali-line)
col (match-string 3 ali-line)
start (match-end 3))
;; it there was a file number in the same line
;; Make sure we correctly handle the case where the first file reference
;; on the line is the type reference.
;; 1U2 T(2|2r3) 34r23
(if (string-match (concat "[^{(<0-9]\\([0-9]+\\)|\\([^|bc]+\\)?"
(match-string 0 ali-line))
ali-line)
(let ((file-number (match-string 1 ali-line)))
(goto-char (point-min))
(re-search-forward "^D \\([a-zA-Z0-9_.-]+\\)" nil t
(string-to-number file-number))
(set 'file (match-string 1))
)
;; Else get the nearest file
(set 'file (ada-declare-file-of identlist)))
(set 'locations (append locations (list (list line col file)))))
;; Add the specs at the end again, so that from the last body we go to
;; the specs
(set 'locations (append locations (list (car locations))))
;; Find the new location we want to go to.
;; If we are on none of the locations listed, we simply go to the specs.
(setq line (caar locations)
col (nth 1 (car locations))
file (nth 2 (car locations)))
(while locations
(if (and (string= (caar locations) (ada-line-of identlist))
(string= (nth 1 (car locations)) (ada-column-of identlist))
(string= (file-name-nondirectory (nth 2 (car locations)))
(file-name-nondirectory (ada-file-of identlist))))
(setq locations (cadr locations)
line (car locations)
col (nth 1 locations)
file (nth 2 locations)
locations nil)
(set 'locations (cdr locations))))
;; Find the file in the source path
(set 'file (ada-get-ada-file-name file (ada-file-of identlist)))
;; Kill the .ali buffer
(kill-buffer (current-buffer))
;; Now go to the buffer
(ada-xref-change-buffer file
(string-to-number line)
(1- (string-to-number col))
identlist
other-frame)
))
(defun ada-find-in-src-path (identlist &optional other-frame)
"More general function for cross-references.
This function should be used when the standard algorithm that parses the
.ali file has failed, either because that file was too old or even did not
exist.
This function attempts to find the possible declarations for the identifier
anywhere in the object path.
This command requires the external `egrep' program to be available.
This works well when one is using an external librarie and wants to find
the declaration and documentation of the subprograms one is using."
;; FIXME: what does this function do?
(let (list
(dirs (ada-xref-get-obj-dir-field))
(regexp (concat "[ *]" (ada-name-of identlist)))
line column
choice
file)
(save-excursion
;; Do the grep in all the directories. We do multiple shell
;; commands instead of one in case there is no .ali file in one
;; of the directory and the shell stops because of that.
(set-buffer (get-buffer-create "*grep*"))
(while dirs
(insert (shell-command-to-string
(concat
"grep -E -i -h "
(shell-quote-argument (concat "^X|" regexp "( |$)"))
" "
(shell-quote-argument (file-name-as-directory (car dirs)))
"*.ali")))
(set 'dirs (cdr dirs)))
;; Now parse the output
(set 'case-fold-search t)
(goto-char (point-min))
(while (re-search-forward regexp nil t)
(save-excursion
(beginning-of-line)
(if (not (= (char-after) ?X))
(progn
(looking-at "\\([0-9]+\\).\\([0-9]+\\)")
(setq line (match-string 1)
column (match-string 2))
(re-search-backward "^X [0-9]+ \\(.*\\)$")
(set 'file (list (match-string 1) line column))
;; There could be duplicate choices, because of the structure
;; of the .ali files
(unless (member file list)
(set 'list (append list (list file))))))))
;; Current buffer is still "*grep*"
(kill-buffer "*grep*")
)
;; Now display the list of possible matches
(cond
;; No choice found => Error
((null list)
(error "No cross-reference found, please recompile your file"))
;; Only one choice => Do the cross-reference
((= (length list) 1)
(set 'file (ada-find-src-file-in-dir (caar list)))
(if file
(ada-xref-change-buffer file
(string-to-number (nth 1 (car list)))
(string-to-number (nth 2 (car list)))
identlist
other-frame)
(error (concat (caar list) " not found in src_dir")))
(message "This is only a (good) guess at the cross-reference.")
)
;; Else, ask the user
(t
(save-window-excursion
(with-output-to-temp-buffer "*choice list*"
(princ "Identifier is overloaded and Xref information is not up to date.\n")
(princ "Possible declarations are:\n\n")
(princ " no. in file at line col\n")
(princ " --- --------------------- ---- ----\n")
(let ((counter 0))
(while (< counter (length list))
(princ (format " %2d) %-21s %4s %4s\n"
(1+ counter)
(nth 0 (nth counter list))
(nth 1 (nth counter list))
(nth 2 (nth counter list))
))
(setq counter (1+ counter))
)))
(setq choice nil)
(while (or (not choice)
(not (integerp choice))
(< choice 1)
(> choice (length list)))
(setq choice
(string-to-number
(read-from-minibuffer "Enter No. of your choice: "))))
)
(set 'choice (1- choice))
(kill-buffer "*choice list*")
(set 'file (ada-find-src-file-in-dir (car (nth choice list))))
(if file
(ada-xref-change-buffer file
(string-to-number (nth 1 (nth choice list)))
(string-to-number (nth 2 (nth choice list)))
identlist
other-frame)
(signal 'error-file-not-found (car (nth choice list))))
(message "This is only a (good) guess at the cross-reference.")
))))
(defun ada-xref-change-buffer
(file line column identlist &optional other-frame)
"Select and display FILE, at LINE and COLUMN.
If we do not end on the same identifier as IDENTLIST, find the closest
match. Kills the .ali buffer at the end.
If OTHER-FRAME is non-nil, creates a new frame to show the file."
(let (declaration-buffer)
;; Select and display the destination buffer
(if ada-xref-other-buffer
(if other-frame
(find-file-other-frame file)
(set 'declaration-buffer (find-file-noselect file))
(set-buffer declaration-buffer)
(switch-to-buffer-other-window declaration-buffer)
)
(find-file file)
)
;; move the cursor to the correct position
(push-mark)
(goto-line line)
(move-to-column column)
;; If we are not on the identifier, the ali file was not up-to-date.
;; Try to find the nearest position where the identifier is found,
;; this is probably the right one.
(unless (looking-at (ada-name-of identlist))
(ada-xref-search-nearest (ada-name-of identlist)))
))
(defun ada-xref-search-nearest (name)
"Search for NAME nearest to the position recorded in the Xref file.
Return the position of the declaration in the buffer, or nil if not found."
(let ((orgpos (point))
(newpos nil)
(diff nil))
(goto-char (point-max))
;; loop - look for all declarations of name in this file
(while (search-backward name nil t)
;; check if it really is a complete Ada identifier
(if (and
(not (save-excursion
(goto-char (match-end 0))
(looking-at "_")))
(not (ada-in-string-or-comment-p))
(or
;; variable declaration ?
(save-excursion
(skip-chars-forward "a-zA-Z_0-9" )
(ada-goto-next-non-ws)
(looking-at ":[^=]"))
;; procedure, function, task or package declaration ?
(save-excursion
(ada-goto-previous-word)
(looking-at "\\<[pP][rR][oO][cC][eE][dD][uU][rR][eE]\\>\\|\\<[fF][uU][nN][cC][tT][iI][oO][nN]\\>\\|\\<[tT][yY][pP][eE]\\>\\|\\<[tT][aA][sS][kK]\\>\\|\\<[pP][aA][cC][kK][aA][gG][eE]\\>\\|\\<[bB][oO][dD][yY]\\>"))))
;; check if it is nearer than the ones before if any
(if (or (not diff)
(< (abs (- (point) orgpos)) diff))
(progn
(setq newpos (point)
diff (abs (- newpos orgpos))))))
)
(if newpos
(progn
(message "ATTENTION: this declaration is only a (good) guess ...")
(goto-char newpos))
nil)))
;; Find the parent library file of the current file
(defun ada-goto-parent ()
"Go to the parent library file."
(interactive)
(ada-require-project-file)
(let ((buffer (ada-get-ali-buffer (buffer-file-name)))
(unit-name nil)
(body-name nil)
(ali-name nil))
(save-excursion
(set-buffer buffer)
(goto-char (point-min))
(re-search-forward "^U \\([^ \t%]+\\)%[bs][ \t]+\\([^ \t]+\\)")
(setq unit-name (match-string 1))
(if (not (string-match "\\(.*\\)\\.[^.]+" unit-name))
(progn
(kill-buffer buffer)
(error "No parent unit !"))
(setq unit-name (match-string 1 unit-name))
)
;; look for the file name for the parent unit specification
(goto-char (point-min))
(re-search-forward (concat "^W " unit-name
"%s[ \t]+\\([^ \t]+\\)[ \t]+"
"\\([^ \t\n]+\\)"))
(setq body-name (match-string 1))
(setq ali-name (match-string 2))
(kill-buffer buffer)
)
(setq ali-name (ada-find-ali-file-in-dir ali-name))
(save-excursion
;; Tries to open the new ali file to find the spec file
(if ali-name
(progn
(find-file ali-name)
(goto-char (point-min))
(re-search-forward (concat "^U " unit-name "%s[ \t]+"
"\\([^ \t]+\\)"))
(setq body-name (match-string 1))
(kill-buffer (current-buffer))
)
)
)
(find-file body-name)
))
(defun ada-make-filename-from-adaname (adaname)
"Determine the filename in which ADANAME is found.
This is a GNAT specific function that uses gnatkrunch."
(let (krunch-buf)
(setq krunch-buf (generate-new-buffer "*gkrunch*"))
(save-excursion
(set-buffer krunch-buf)
;; send adaname to external process `gnatkr'.
;; Add a dummy extension, since gnatkr versions have two different
;; behaviors depending on the version:
;; Up to 3.15: "AA.BB.CC" => aa-bb-cc
;; After: "AA.BB.CC" => aa-bb.cc
(call-process "gnatkr" nil krunch-buf nil
(concat adaname ".adb") ada-krunch-args)
;; fetch output of that process
(setq adaname (buffer-substring
(point-min)
(progn
(goto-char (point-min))
(end-of-line)
(point))))
;; Remove the extra extension we added above
(setq adaname (substring adaname 0 -4))
(kill-buffer krunch-buf)))
adaname
)
(defun ada-make-body-gnatstub (&optional interactive)
"Create an Ada package body in the current buffer.
This function uses the `gnatstub' program to create the body.
If INTERACTIVE is nil, kill the current buffer.
This function typically is to be hooked into `ff-file-created-hook'."
(interactive "p")
(ada-require-project-file)
(save-some-buffers nil nil)
;; If the current buffer is the body (as is the case when calling this
;; function from ff-file-created-hook), then kill this temporary buffer
(unless interactive
(set-buffer-modified-p nil)
(kill-buffer (current-buffer)))
;; Make sure the current buffer is the spec (this might not be the case
;; if for instance the user was asked for a project file)
(unless (buffer-file-name (car (buffer-list)))
(set-buffer (cadr (buffer-list))))
;; Call the external process gnatstub
(let* ((gnatstub-opts (ada-treat-cmd-string ada-gnatstub-opts))
(filename (buffer-file-name (car (buffer-list))))
(output (concat (file-name-sans-extension filename) ".adb"))
(gnatstub-cmd (concat "gnatstub " gnatstub-opts " " filename))
(buffer (get-buffer-create "*gnatstub*")))
(save-excursion
(set-buffer buffer)
(compilation-minor-mode 1)
(erase-buffer)
(insert gnatstub-cmd)
(newline)
)
;; call gnatstub to create the body file
(call-process shell-file-name nil buffer nil "-c" gnatstub-cmd)
(if (save-excursion
(set-buffer buffer)
(goto-char (point-min))
(search-forward "command not found" nil t))
(progn
(message "gnatstub was not found -- using the basic algorithm")
(sleep-for 2)
(kill-buffer buffer)
(ada-make-body))
;; Else clean up the output
(if (file-exists-p output)
(progn
(find-file output)
(kill-buffer buffer))
;; display the error buffer
(display-buffer buffer)
)
)))
(defun ada-xref-initialize ()
"Function called by `ada-mode-hook' to initialize the ada-xref.el package.
For instance, it creates the gnat-specific menus, sets some hooks for
`find-file'."
(remove-hook 'ff-file-created-hook 'ada-make-body) ; from global hook
(remove-hook 'ff-file-created-hook 'ada-make-body t) ; from local hook
(add-hook 'ff-file-created-hook 'ada-make-body-gnatstub nil t)
;; Completion for file names in the mini buffer should ignore .ali files
(add-to-list 'completion-ignored-extensions ".ali")
(ada-xref-update-project-menu)
)
;; ----- Add to ada-mode-hook ---------------------------------------------
;; This must be done before initializing the Ada menu.
(add-hook 'ada-mode-hook 'ada-xref-initialize)
;; Define a new error type
(put 'error-file-not-found
'error-conditions
'(error ada-mode-errors error-file-not-found))
(put 'error-file-not-found
'error-message
"File not found in src-dir (check project file): ")
;; Initializes the cross references to the runtime library
(ada-initialize-runtime-library "")
;; Add these standard directories to the search path
(set 'ada-search-directories-internal
(append (mapcar 'directory-file-name ada-xref-runtime-library-specs-path)
ada-search-directories))
(provide 'ada-xref)
;;; arch-tag: 415a39fe-577b-4676-b3b1-6ff6db7ca24e
;;; ada-xref.el ends here