Commit | Line | Data |
---|---|---|
1d8cc67a MW |
1 | ;;; -*-lisp-*- |
2 | ;;; | |
3 | ;;; User interface | |
4 | ;;; | |
5 | ;;; (c) 2013 Straylight/Edgeware | |
6 | ;;; | |
7 | ||
8 | ;;;----- Licensing notice --------------------------------------------------- | |
9 | ;;; | |
e0808c47 | 10 | ;;; This file is part of the Sensible Object Design, an object system for C. |
1d8cc67a MW |
11 | ;;; |
12 | ;;; SOD is free software; you can redistribute it and/or modify | |
13 | ;;; it under the terms of the GNU General Public License as published by | |
14 | ;;; the Free Software Foundation; either version 2 of the License, or | |
15 | ;;; (at your option) any later version. | |
16 | ;;; | |
17 | ;;; SOD is distributed in the hope that it will be useful, | |
18 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;;; GNU General Public License for more details. | |
21 | ;;; | |
22 | ;;; You should have received a copy of the GNU General Public License | |
23 | ;;; along with SOD; if not, write to the Free Software Foundation, | |
24 | ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
25 | ||
bb99b695 MW |
26 | (eval-when (:compile-toplevel :load-toplevel :execute) |
27 | (handler-bind ((warning #'muffle-warning)) | |
28 | (cl:defpackage #:sod-frontend | |
37fed326 | 29 | (:use #:common-lisp #:sod-utilities #:optparse #:sod #:sod-parser)))) |
7bfe3a37 MW |
30 | |
31 | (cl:in-package #:sod-frontend) | |
1d8cc67a MW |
32 | |
33 | ;;;-------------------------------------------------------------------------- | |
34 | ;;; The main program. | |
35 | ||
abbdf025 MW |
36 | (defvar-unbound *option-parser* |
37 | "The program's main option parser.") | |
38 | ||
9ec578d9 MW |
39 | (eval-when (:compile-toplevel :load-toplevel :execute) |
40 | (defopthandler dirpath (var arg) () | |
41 | "Convert the argument into a pathname with a directory component | |
42 | and no file component, suitable for merging." | |
43 | ||
44 | ;; This is really fiddly and annoying. Unix pathnames don't tell you | |
45 | ;; whether the thing named is meant to be a directory or not, and | |
46 | ;; implementations differ as to how they cope with pathnames which do or | |
47 | ;; don't name directories when they're expecting files, or vice versa. | |
48 | ||
49 | (let ((path (ignore-errors (pathname arg)))) | |
50 | (cond ((null path) | |
51 | ;; The namestring couldn't be parsed, or something else went | |
52 | ;; horribly wrong. | |
53 | ||
54 | (option-parse-error "Can't parse `~A' as a path" arg)) | |
55 | ||
56 | #+unix | |
57 | ((or (pathname-name path) (pathname-type path)) | |
58 | ;; If this is Unix, or similar, then stick the filename piece on | |
59 | ;; the end of the directory and hope that was sensible. | |
60 | ||
61 | (setf var (make-pathname | |
62 | :name nil :type nil :defaults path | |
63 | :directory (append (or (pathname-directory path) | |
64 | (list :relative)) | |
65 | (list (file-namestring path)))))) | |
66 | ||
67 | (t | |
68 | ;; This actually looks like a plain directory name. | |
69 | ||
70 | (setf var path)))))) | |
71 | ||
3a04cacb MW |
72 | (defun update-usage () |
73 | (setf *usage* (simple-usage *options* "SOURCES..."))) | |
74 | ||
d9bd7c90 MW |
75 | (export 'augment-options) |
76 | (defun augment-options (options) | |
77 | "Add OPTIONS to the program's options list." | |
78 | (asetf *options* (append it options)) | |
79 | (setf (op-options *option-parser*) *options*) | |
80 | (update-usage)) | |
81 | ||
82 | (use-package "SOD-FRONTEND" "SOD-USER") | |
83 | ||
1d8cc67a MW |
84 | (export 'main) |
85 | (defun main () | |
9ec578d9 MW |
86 | |
87 | ;; Initialize the argument parser. | |
1d8cc67a MW |
88 | (set-command-line-arguments) |
89 | ||
9ec578d9 MW |
90 | ;; Collect information from the command line options. |
91 | (let ((output-reasons nil) | |
92 | (output-path (make-pathname :directory '(:relative))) | |
ba8bae5f | 93 | (backtracep nil) |
9ec578d9 MW |
94 | (builtinsp nil) |
95 | (stdoutp nil) | |
e05aabbb | 96 | (track-deps-p nil) |
9ec578d9 MW |
97 | (args nil)) |
98 | ||
99 | ;; Option definitions. | |
100 | (define-program | |
4aae7df0 | 101 | :help "Process SOD input files to produce (e.g.) C output." |
111dc923 | 102 | :version *sod-version* |
9ec578d9 MW |
103 | :options (options |
104 | (help-options :short-version #\V) | |
05a2c613 | 105 | "Translator options" |
9ec578d9 MW |
106 | (#\I "include" (:arg "DIR") |
107 | ("Search DIR for module imports.") | |
108 | (list *module-dirs* 'string)) | |
ba8bae5f MW |
109 | ("backtrace" |
110 | ("Print a Lisp backtrace on error (for debugging).") | |
111 | (set backtracep)) | |
9ec578d9 MW |
112 | ("builtins" |
113 | ("Process the builtin `sod-base' module.") | |
114 | (set builtinsp)) | |
115 | (#\d "directory" (:arg "DIR") | |
116 | ("Write output files to DIR.") | |
117 | (dirpath output-path)) | |
d9bd7c90 MW |
118 | (#\e "eval" (:arg "LISP") |
119 | ("Evaluate raw Lisp code.") | |
120 | (lambda (lisp) | |
121 | (handler-case | |
122 | (let ((*package* (find-package "SOD-USER"))) | |
123 | (eval (read-from-string lisp))) | |
124 | (error (error) | |
125 | (option-parse-error "~A" error))))) | |
126 | (#\l "load" (:arg "FILE") | |
127 | ("Load a file of Lisp code.") | |
128 | (lambda (file) | |
129 | (let ((file (merge-pathnames file | |
130 | (make-pathname | |
131 | :type "LISP" | |
132 | :case :common)))) | |
133 | (handler-case | |
134 | (let ((*package* (find-package "SOD-USER"))) | |
135 | (find-file *default-pathname-defaults* file | |
136 | "Lisp file" | |
137 | (lambda (path true) | |
138 | (declare (ignore path)) | |
139 | (load true | |
140 | :verbose nil | |
141 | :print nil)))) | |
142 | (error (error) | |
143 | (option-parse-error "~A" error)))))) | |
e05aabbb MW |
144 | (#\M "track-dependencies" |
145 | "Write make(1) fragments recording dependencies." | |
146 | (set track-deps-p)) | |
9ec578d9 MW |
147 | (#\p "stdout" |
148 | ("Write output files to standard output.") | |
149 | (set stdoutp)) | |
150 | (#\t "type" (:arg "OUT-TYPE") | |
151 | ("Produce output of type OUT-TYPE.") | |
152 | (list output-reasons 'keyword)))) | |
3a04cacb | 153 | (update-usage) |
9ec578d9 MW |
154 | |
155 | ;; Actually parse the options. | |
abbdf025 MW |
156 | (let ((*option-parser* (make-option-parser))) |
157 | (unless (and (option-parse-try | |
158 | (do-options (:parser *option-parser*) | |
159 | (nil (rest) | |
160 | (setf args rest)))) | |
161 | (or builtinsp args)) | |
162 | (die-usage))) | |
9ec578d9 | 163 | |
9ec578d9 | 164 | ;; Do the main parsing job. |
ba8bae5f MW |
165 | (labels ((hack-module (module) |
166 | ;; Process the MODULE, writing out the generated code. | |
167 | ||
168 | ;; Work through each output type in turn. | |
169 | (dolist (reason output-reasons) | |
170 | ||
171 | ;; Arrange to be able to recover from errors. | |
172 | (restart-case | |
b0e21f83 MW |
173 | (cond |
174 | ||
175 | (stdoutp | |
176 | ;; If we're writing to stdout then use | |
177 | ;; `output-type-pathname' to check the output type | |
178 | ;; for us. | |
179 | ||
180 | (output-type-pathname reason) | |
181 | (output-module module reason *standard-output*)) | |
182 | ||
183 | (t | |
184 | ;; Otherwise we have to construct an output | |
185 | ;; filename the hard way. | |
186 | (with-open-file | |
187 | (stream | |
188 | (module-output-file module reason output-path) | |
189 | :direction :output | |
190 | :if-exists :supersede | |
191 | :if-does-not-exist :create) | |
e05aabbb MW |
192 | (output-module module reason stream)) |
193 | ||
194 | (when track-deps-p | |
195 | (write-dependency-file module reason | |
196 | output-path)))) | |
ba8bae5f MW |
197 | |
198 | ;; Error recovery. | |
199 | (continue () | |
200 | :report (lambda (stream) | |
201 | (format stream | |
202 | "Skip output type `~(~A~)'" | |
203 | reason)) | |
204 | nil)))) | |
205 | ||
206 | (hack-modules () | |
207 | ||
208 | ;; If there are no output types then there's nothing to do. | |
209 | (unless output-reasons | |
210 | (error "No output types given: nothing to do")) | |
211 | ||
212 | ;; If we're writing the builtin module then now seems like a | |
213 | ;; good time to do that. | |
214 | (when builtinsp | |
215 | (hack-module *builtin-module*)) | |
216 | ||
217 | ;; Parse and write out the remaining modules. | |
218 | (dolist (arg args) | |
287e744e MW |
219 | (let ((module (read-module arg))) |
220 | (when (zerop (module-errors module)) | |
221 | (hack-module module)))))) | |
ba8bae5f MW |
222 | |
223 | (if backtracep (hack-modules) | |
224 | (multiple-value-bind (hunoz nerror nwarn) | |
225 | (count-and-report-errors () | |
226 | (with-default-error-location | |
227 | ((make-file-location *program-name*)) | |
228 | (hack-modules))) | |
229 | (declare (ignore hunoz)) | |
230 | (when (or (plusp nerror) (plusp nwarn)) | |
231 | (format *error-output* "~A: Finished with~ | |
232 | ~[~:; ~:*~D error~:P~[~:; and~]~:*~]~ | |
233 | ~[~:; ~:*~D warning~:P~]~%" | |
234 | *program-name* nerror nwarn)) | |
684d95c7 | 235 | (uiop:quit (if (plusp nerror) 2 0))))))) |
1d8cc67a MW |
236 | |
237 | ;;;----- That's all, folks -------------------------------------------------- |