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1 | ;;; -*-lisp-*- |
2 | ;;; | |
a9cffac1 | 3 | ;;; Finishing touches for Sod |
e33ea301 MW |
4 | ;;; |
5 | ;;; (c) 2015 Straylight/Edgeware | |
6 | ;;; | |
7 | ||
8 | ;;;----- Licensing notice --------------------------------------------------- | |
9 | ;;; | |
e0808c47 | 10 | ;;; This file is part of the Sensible Object Design, an object system for C. |
e33ea301 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 | ||
26 | (cl:in-package #:sod) | |
27 | ||
8f3f42a3 MW |
28 | ;;;-------------------------------------------------------------------------- |
29 | ;;; Miscellaneous details. | |
30 | ||
31 | (export '*sod-version*) | |
32 | (defparameter *sod-version* sod-sysdef:*version* | |
33 | "The version of the SOD translator system, as a string.") | |
34 | ||
a9cffac1 MW |
35 | ;;;-------------------------------------------------------------------------- |
36 | ;;; Debugging utilities. | |
37 | ||
76618d28 MW |
38 | (export '*debugout-pathname*) |
39 | (defvar *debugout-pathname* #p"debugout.c") | |
40 | ||
e33ea301 | 41 | (export 'test-module) |
60529354 | 42 | (defun test-module (path &key reason clear backtrace) |
d164793c MW |
43 | "Read a module from PATH, to exercise the machinery. |
44 | ||
8ca4a019 MW |
45 | If CLEAR is non-nil, then reset the translator's state before proceeding. |
46 | ||
d164793c MW |
47 | If REASON is non-nil, then output the module to `*debugout-pathname*' with |
48 | that REASON. | |
49 | ||
50 | Return a two-element list (NERROR NWARNING) of the number of errors and | |
51 | warnings encountered while processing the module." | |
8ca4a019 | 52 | (when clear (clear-the-decks)) |
31782597 | 53 | (multiple-value-bind (module nerror nwarning) |
60529354 MW |
54 | (if backtrace (read-module path) |
55 | (count-and-report-errors () (read-module path))) | |
118f5c00 | 56 | (when (and module reason) |
31782597 MW |
57 | (with-open-file (out *debugout-pathname* |
58 | :direction :output | |
59 | :if-exists :supersede | |
60 | :if-does-not-exist :create) | |
61 | (output-module module reason out))) | |
62 | (list nerror nwarning))) | |
e33ea301 | 63 | |
b39de350 MW |
64 | (defmacro with-test-scanner ((scanner string) &body body) |
65 | "Common machinery for `test-parse-MUMBLE' below. | |
66 | ||
67 | This is too specialized to make more widely available." | |
68 | (with-gensyms (in charscan) | |
69 | (once-only (string) | |
70 | `(with-input-from-string (,in ,string) | |
71 | (let* ((*module-type-map* (make-hash-table)) | |
72 | (,charscan (make-instance 'charbuf-scanner | |
73 | :stream ,in | |
74 | :filename "<string>")) | |
75 | (,scanner (make-instance 'sod-token-scanner | |
76 | :char-scanner ,charscan | |
77 | :filename "<string>"))) | |
78 | (with-parser-context (token-scanner-context :scanner ,scanner) | |
79 | ,@body)))))) | |
80 | ||
4fd69126 MW |
81 | (export 'test-parse-c-type) |
82 | (defun test-parse-c-type (string) | |
83 | "Parse STRING as a C type, with optional kernel, and show the results." | |
b39de350 MW |
84 | (with-test-scanner (scanner string) |
85 | (multiple-value-bind (value winp consumedp) | |
86 | (parse (seq ((decls (parse-c-type scanner)) | |
87 | (type (parse-declarator scanner decls :abstractp t)) | |
88 | :eof) | |
89 | type)) | |
90 | (declare (ignore consumedp)) | |
91 | (if winp | |
92 | (values t (car value) (cdr value) | |
93 | (princ-to-string (car value))) | |
94 | (values nil value))))) | |
4fd69126 | 95 | |
3e21ae3f | 96 | (export 'test-parser) |
2b7ce7a5 | 97 | (defmacro test-parser ((scanner &key backtrace) parser input) |
3e21ae3f MW |
98 | "Convenient macro for testing parsers at the REPL. |
99 | ||
100 | This is a macro so that the parser can use the fancy syntax. The name | |
101 | SCANNER is bound to a `sod-token-scanner' reading tokens from the INPUT | |
2b7ce7a5 MW |
102 | string. Then the PARSER is invoked and three values are returned: the |
103 | result of the parse, or `nil' if the main parse failed; a list containing | |
104 | the number of errors and warnings (respectively) reported during the | |
105 | parse; and a list consisting of the lookahead token type and value, and a | |
106 | string containing the untokenized remaining input. | |
107 | ||
108 | If BACKTRACE is nil (the default) then leave errors to the calling | |
109 | environment to sort out (e.g., by entering the Lisp debugger); otherwise, | |
110 | catch and report them as they happen so that you can test error recovery | |
111 | strategies." | |
3e21ae3f | 112 | (once-only (input) |
2b7ce7a5 MW |
113 | (with-gensyms (char-scanner value winp body consumedp where nerror nwarn) |
114 | `(let ((,char-scanner nil) (,scanner nil)) | |
3e21ae3f | 115 | (with-parser-context (token-scanner-context :scanner ,scanner) |
2b7ce7a5 MW |
116 | (multiple-value-bind (,value ,nerror ,nwarn) |
117 | (flet ((,body () | |
118 | (setf ,char-scanner (make-string-scanner ,input) | |
119 | ,scanner (make-instance | |
120 | 'sod-token-scanner | |
121 | :char-scanner ,char-scanner)) | |
b543a2d9 MW |
122 | (with-default-error-location (,scanner) |
123 | (multiple-value-bind (,value ,winp ,consumedp) | |
124 | (parse ,parser) | |
125 | (declare (ignore ,consumedp)) | |
126 | (cond (,winp ,value) | |
127 | (t (syntax-error ,scanner ,value) | |
128 | nil)))))) | |
2b7ce7a5 MW |
129 | (if ,backtrace (,body) |
130 | (count-and-report-errors () | |
b543a2d9 | 131 | (,body)))) |
3e21ae3f | 132 | (let ((,where (scanner-capture-place ,char-scanner))) |
2b7ce7a5 MW |
133 | (values ,value |
134 | (list ,nerror ,nwarn) | |
135 | (and ,scanner (list (token-type ,scanner) | |
136 | (token-value ,scanner) | |
137 | (subseq ,input ,where))))))))))) | |
3e21ae3f | 138 | |
180bfa7c MW |
139 | ;;;-------------------------------------------------------------------------- |
140 | ;;; Calisthenics. | |
141 | ||
142 | (export 'exercise) | |
143 | (defun exercise () | |
144 | "Exercise the pieces of the metaobject protocol. | |
145 | ||
146 | In some Lisps, the compiler is run the first time methods are called, to | |
147 | do fancy just-in-time optimization things. This is great, only the | |
148 | program doesn't actually run for very long and a lot of that work is | |
149 | wasted because we're going to have to do it again next time the program | |
150 | starts. Only, if we exercise the various methods, or at least a large | |
151 | fraction of them, before we dump an image, then everything will be fast. | |
152 | ||
153 | That's the theory anyway. Call this function before you dump an image and | |
154 | see what happens." | |
155 | ||
180bfa7c MW |
156 | (dolist (reason '(:h :c)) |
157 | (with-output-to-string (bitbucket) | |
158 | (output-module *builtin-module* reason bitbucket))) | |
159 | ||
160 | (clear-the-decks)) | |
161 | ||
dc162ca6 MW |
162 | ;;;-------------------------------------------------------------------------- |
163 | ;;; Make sure things work after loading the system. | |
164 | ||
165 | (clear-the-decks) | |
166 | ||
e33ea301 | 167 | ;;;----- That's all, folks -------------------------------------------------- |