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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 | ||
7bfe3a37 | 26 | (cl:defpackage #:sod-frontend |
abbdf025 | 27 | (:use #:common-lisp #:sod-utilities #:optparse #:sod #:sod-parser) |
2672be80 | 28 | (:shadowing-import-from #:optparse #:int)) |
7bfe3a37 MW |
29 | |
30 | (cl:in-package #:sod-frontend) | |
1d8cc67a MW |
31 | |
32 | ;;;-------------------------------------------------------------------------- | |
65d7091b MW |
33 | ;;; Preparation for dumping. |
34 | ||
54c01772 | 35 | (clear-the-decks) |
180bfa7c | 36 | (exercise) |
65d7091b MW |
37 | |
38 | ;;;-------------------------------------------------------------------------- | |
1d8cc67a MW |
39 | ;;; The main program. |
40 | ||
abbdf025 MW |
41 | (defvar-unbound *option-parser* |
42 | "The program's main option parser.") | |
43 | ||
9ec578d9 MW |
44 | (eval-when (:compile-toplevel :load-toplevel :execute) |
45 | (defopthandler dirpath (var arg) () | |
46 | "Convert the argument into a pathname with a directory component | |
47 | and no file component, suitable for merging." | |
48 | ||
49 | ;; This is really fiddly and annoying. Unix pathnames don't tell you | |
50 | ;; whether the thing named is meant to be a directory or not, and | |
51 | ;; implementations differ as to how they cope with pathnames which do or | |
52 | ;; don't name directories when they're expecting files, or vice versa. | |
53 | ||
54 | (let ((path (ignore-errors (pathname arg)))) | |
55 | (cond ((null path) | |
56 | ;; The namestring couldn't be parsed, or something else went | |
57 | ;; horribly wrong. | |
58 | ||
59 | (option-parse-error "Can't parse `~A' as a path" arg)) | |
60 | ||
61 | #+unix | |
62 | ((or (pathname-name path) (pathname-type path)) | |
63 | ;; If this is Unix, or similar, then stick the filename piece on | |
64 | ;; the end of the directory and hope that was sensible. | |
65 | ||
66 | (setf var (make-pathname | |
67 | :name nil :type nil :defaults path | |
68 | :directory (append (or (pathname-directory path) | |
69 | (list :relative)) | |
70 | (list (file-namestring path)))))) | |
71 | ||
72 | (t | |
73 | ;; This actually looks like a plain directory name. | |
74 | ||
75 | (setf var path)))))) | |
76 | ||
3a04cacb MW |
77 | (defun update-usage () |
78 | (setf *usage* (simple-usage *options* "SOURCES..."))) | |
79 | ||
d9bd7c90 MW |
80 | (export 'augment-options) |
81 | (defun augment-options (options) | |
82 | "Add OPTIONS to the program's options list." | |
83 | (asetf *options* (append it options)) | |
84 | (setf (op-options *option-parser*) *options*) | |
85 | (update-usage)) | |
86 | ||
87 | (use-package "SOD-FRONTEND" "SOD-USER") | |
88 | ||
1d8cc67a MW |
89 | (export 'main) |
90 | (defun main () | |
9ec578d9 MW |
91 | |
92 | ;; Initialize the argument parser. | |
1d8cc67a MW |
93 | (set-command-line-arguments) |
94 | ||
9ec578d9 MW |
95 | ;; Collect information from the command line options. |
96 | (let ((output-reasons nil) | |
97 | (output-path (make-pathname :directory '(:relative))) | |
ba8bae5f | 98 | (backtracep nil) |
9ec578d9 MW |
99 | (builtinsp nil) |
100 | (stdoutp nil) | |
101 | (args nil)) | |
102 | ||
103 | ;; Option definitions. | |
104 | (define-program | |
4aae7df0 | 105 | :help "Process SOD input files to produce (e.g.) C output." |
111dc923 | 106 | :version *sod-version* |
9ec578d9 MW |
107 | :options (options |
108 | (help-options :short-version #\V) | |
05a2c613 | 109 | "Translator options" |
9ec578d9 MW |
110 | (#\I "include" (:arg "DIR") |
111 | ("Search DIR for module imports.") | |
112 | (list *module-dirs* 'string)) | |
ba8bae5f MW |
113 | ("backtrace" |
114 | ("Print a Lisp backtrace on error (for debugging).") | |
115 | (set backtracep)) | |
9ec578d9 MW |
116 | ("builtins" |
117 | ("Process the builtin `sod-base' module.") | |
118 | (set builtinsp)) | |
119 | (#\d "directory" (:arg "DIR") | |
120 | ("Write output files to DIR.") | |
121 | (dirpath output-path)) | |
d9bd7c90 MW |
122 | (#\e "eval" (:arg "LISP") |
123 | ("Evaluate raw Lisp code.") | |
124 | (lambda (lisp) | |
125 | (handler-case | |
126 | (let ((*package* (find-package "SOD-USER"))) | |
127 | (eval (read-from-string lisp))) | |
128 | (error (error) | |
129 | (option-parse-error "~A" error))))) | |
130 | (#\l "load" (:arg "FILE") | |
131 | ("Load a file of Lisp code.") | |
132 | (lambda (file) | |
133 | (let ((file (merge-pathnames file | |
134 | (make-pathname | |
135 | :type "LISP" | |
136 | :case :common)))) | |
137 | (handler-case | |
138 | (let ((*package* (find-package "SOD-USER"))) | |
139 | (find-file *default-pathname-defaults* file | |
140 | "Lisp file" | |
141 | (lambda (path true) | |
142 | (declare (ignore path)) | |
143 | (load true | |
144 | :verbose nil | |
145 | :print nil)))) | |
146 | (error (error) | |
147 | (option-parse-error "~A" error)))))) | |
9ec578d9 MW |
148 | (#\p "stdout" |
149 | ("Write output files to standard output.") | |
150 | (set stdoutp)) | |
151 | (#\t "type" (:arg "OUT-TYPE") | |
152 | ("Produce output of type OUT-TYPE.") | |
153 | (list output-reasons 'keyword)))) | |
3a04cacb | 154 | (update-usage) |
9ec578d9 MW |
155 | |
156 | ;; Actually parse the options. | |
abbdf025 MW |
157 | (let ((*option-parser* (make-option-parser))) |
158 | (unless (and (option-parse-try | |
159 | (do-options (:parser *option-parser*) | |
160 | (nil (rest) | |
161 | (setf args rest)))) | |
162 | (or builtinsp args)) | |
163 | (die-usage))) | |
9ec578d9 | 164 | |
9ec578d9 | 165 | ;; Do the main parsing job. |
ba8bae5f MW |
166 | (labels ((hack-module (module) |
167 | ;; Process the MODULE, writing out the generated code. | |
168 | ||
169 | ;; Work through each output type in turn. | |
170 | (dolist (reason output-reasons) | |
171 | ||
172 | ;; Arrange to be able to recover from errors. | |
173 | (restart-case | |
174 | ||
175 | ;; Collect information for constructing the output | |
176 | ;; filenames here. In particular, | |
177 | ;; `output-type-pathname' will sanity-check the | |
178 | ;; output type for us, which is useful even if | |
179 | ;; we're writing to stdout. | |
180 | (let ((outpath (output-type-pathname reason)) | |
181 | (modpath (module-name module))) | |
182 | ||
183 | (if stdoutp | |
184 | ||
185 | ;; If we're writing to stdout then just do | |
186 | ;; that. | |
187 | (output-module module reason | |
188 | *standard-output*) | |
189 | ||
190 | ;; Otherwise we have to construct an output | |
191 | ;; filename the hard way. | |
192 | (with-open-file | |
193 | (stream | |
194 | (reduce #'merge-pathnames | |
195 | (list output-path | |
196 | outpath | |
197 | (make-pathname | |
198 | :directory nil | |
199 | :defaults modpath)) | |
200 | :from-end t) | |
201 | :direction :output | |
202 | :if-exists :supersede | |
203 | :if-does-not-exist :create) | |
204 | (output-module module reason stream)))) | |
205 | ||
206 | ;; Error recovery. | |
207 | (continue () | |
208 | :report (lambda (stream) | |
209 | (format stream | |
210 | "Skip output type `~(~A~)'" | |
211 | reason)) | |
212 | nil)))) | |
213 | ||
214 | (hack-modules () | |
215 | ||
216 | ;; If there are no output types then there's nothing to do. | |
217 | (unless output-reasons | |
218 | (error "No output types given: nothing to do")) | |
219 | ||
220 | ;; If we're writing the builtin module then now seems like a | |
221 | ;; good time to do that. | |
222 | (when builtinsp | |
223 | (hack-module *builtin-module*)) | |
224 | ||
225 | ;; Parse and write out the remaining modules. | |
226 | (dolist (arg args) | |
287e744e MW |
227 | (let ((module (read-module arg))) |
228 | (when (zerop (module-errors module)) | |
229 | (hack-module module)))))) | |
ba8bae5f MW |
230 | |
231 | (if backtracep (hack-modules) | |
232 | (multiple-value-bind (hunoz nerror nwarn) | |
233 | (count-and-report-errors () | |
234 | (with-default-error-location | |
235 | ((make-file-location *program-name*)) | |
236 | (hack-modules))) | |
237 | (declare (ignore hunoz)) | |
238 | (when (or (plusp nerror) (plusp nwarn)) | |
239 | (format *error-output* "~A: Finished with~ | |
240 | ~[~:; ~:*~D error~:P~[~:; and~]~:*~]~ | |
241 | ~[~:; ~:*~D warning~:P~]~%" | |
242 | *program-name* nerror nwarn)) | |
243 | (exit (if (plusp nerror) 2 0))))))) | |
1d8cc67a MW |
244 | |
245 | ;;;----- That's all, folks -------------------------------------------------- |