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1 | ;;; -*-lisp-*- |
2 | ;;; | |
3 | ;;; Main tables for the translator | |
4 | ;;; | |
5 | ;;; (c) 2009 Straylight/Edgeware | |
6 | ;;; | |
7 | ||
8 | ;;;----- Licensing notice --------------------------------------------------- | |
9 | ;;; | |
10 | ;;; This file is part of the Simple Object Definition system. | |
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 | ||
28 | ;;;-------------------------------------------------------------------------- | |
29 | ;;; Main tables. | |
30 | ||
31 | (defvar *module-map* (make-hash-table :test #'equal) | |
32 | "A hash table mapping file truenames (pathnames) to modules. | |
33 | ||
34 | This is used to prevent multiple inclusion of a single module, which would | |
35 | be bad. Usually it maps pathnames to MODULE objects. As a special case, | |
36 | the truename a module which is being parsed maps to :IN-PROGRESS, which | |
37 | can be used to detect dependency cycles.") | |
38 | ||
39 | (defvar *type-map* (make-hash-table :test #'equal) | |
40 | "A hash table mapping type names to the C types they describe. | |
41 | ||
42 | Since a class is a C type, it gets its own entry in here as a C-CLASS-TYPE | |
43 | object. This is how we find classes by name: the C-CLASS-TYPE object has | |
44 | a reference to the underlying SOD-CLASS instance.") | |
45 | ||
d9c15186 MW |
46 | (defparameter *builtin-module* nil |
47 | "Built-in module; populated later.") | |
48 | ||
abdf50aa MW |
49 | ;;;-------------------------------------------------------------------------- |
50 | ;;; Utilities. | |
51 | ||
52 | (defparameter *clear-the-decks-functions* | |
53 | '(reset-type-and-module-map | |
d9c15186 | 54 | reset-builtin-module)) |
abdf50aa MW |
55 | |
56 | (defun reset-type-and-module-map () | |
57 | "Reset the main hash tables, clearing the translator's state. | |
58 | ||
59 | One of the *CLEAR-THE-DECKS-FUNCTIONS*." | |
60 | ||
61 | (setf *module-map* (make-hash-table :test #'equal) | |
62 | *type-map* (make-hash-table :test #'equal))) | |
63 | ||
64 | (defun populate-type-map () | |
65 | "Store some important simple types in the type map." | |
66 | (dolist (name '("va_list" "size_t" "ptrdiff_t")) | |
67 | (setf (gethash name *type-map*) | |
68 | (make-simple-type name)))) | |
69 | ||
70 | (defun clear-the-decks () | |
71 | "Reinitialize the translator's state. | |
72 | ||
73 | This is mainly useful when testing the translator from a Lisp REPL." | |
74 | (dolist (func *clear-the-decks-functions*) | |
75 | (funcall func))) | |
76 | ||
77 | #+test | |
78 | (clear-the-decks) | |
79 | ||
80 | ;;;----- That's all, folks -------------------------------------------------- |