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comparison src/bytecode.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children 8de8e3f6228a
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427:0a0253eac470 428:3ecd8885ac67
1 /* Definitions for bytecode interpretation and compiled-function objects.
2 Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc.
3
4 This file is part of XEmacs.
5
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
9 later version.
10
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: Not in FSF. */
22
23 /* Authorship:
24
25 FSF: long ago.
26 Mly: rewrote for 19.8, properly abstracted.
27 Jon Reid: some changes for I18N3 (domain, etc), for 19.8.
28 */
29
30 #ifndef _XEMACS_BYTECODE_H_
31 #define _XEMACS_BYTECODE_H_
32
33 /* Meanings of slots in a Lisp_Compiled_Function.
34 Don't use these! For backward compatibility only. */
35 #define COMPILED_ARGLIST 0
36 #define COMPILED_INSTRUCTIONS 1
37 #define COMPILED_CONSTANTS 2
38 #define COMPILED_STACK_DEPTH 3
39 #define COMPILED_DOC_STRING 4
40 #define COMPILED_INTERACTIVE 5
41 #define COMPILED_DOMAIN 6
42
43 /* It doesn't make sense to have this and also have load-history */
44 /* #define COMPILED_FUNCTION_ANNOTATION_HACK */
45
46 struct Lisp_Compiled_Function
47 {
48 struct lrecord_header lheader;
49 unsigned short stack_depth;
50 unsigned short specpdl_depth;
51 struct
52 {
53 unsigned int documentationp: 1;
54 unsigned int interactivep: 1;
55 /* Only used if I18N3, but always defined for simplicity. */
56 unsigned int domainp: 1;
57 /* Non-zero if this bytecode came from a v18 or v19 file.
58 We need to Ebolify the `assoc', `delq', etc. functions. */
59 unsigned int ebolified: 1;
60 } flags;
61 Lisp_Object instructions;
62 Lisp_Object constants;
63 Lisp_Object arglist;
64 /* This uses the minimal number of conses; see accessors in data.c. */
65 Lisp_Object doc_and_interactive;
66 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK
67 /* Something indicating where the bytecode came from */
68 Lisp_Object annotated;
69 #endif
70 };
71 typedef struct Lisp_Compiled_Function Lisp_Compiled_Function;
72
73 Lisp_Object run_byte_code (Lisp_Object compiled_function_or_instructions, ...);
74
75 Lisp_Object compiled_function_arglist (Lisp_Compiled_Function *f);
76 Lisp_Object compiled_function_instructions (Lisp_Compiled_Function *f);
77 Lisp_Object compiled_function_constants (Lisp_Compiled_Function *f);
78 int compiled_function_stack_depth (Lisp_Compiled_Function *f);
79 Lisp_Object compiled_function_documentation (Lisp_Compiled_Function *f);
80 Lisp_Object compiled_function_annotation (Lisp_Compiled_Function *f);
81 Lisp_Object compiled_function_domain (Lisp_Compiled_Function *f);
82 Lisp_Object compiled_function_interactive (Lisp_Compiled_Function *f);
83
84 void set_compiled_function_documentation (Lisp_Compiled_Function *f,
85 Lisp_Object new_doc);
86
87 Lisp_Object funcall_compiled_function (Lisp_Object fun,
88 int nargs, Lisp_Object args[]);
89 void optimize_compiled_function (Lisp_Object compiled_function);
90
91 DECLARE_LRECORD (compiled_function, Lisp_Compiled_Function);
92 #define XCOMPILED_FUNCTION(x) XRECORD (x, compiled_function, \
93 Lisp_Compiled_Function)
94 #define XSETCOMPILED_FUNCTION(x, p) XSETRECORD (x, p, compiled_function)
95 #define COMPILED_FUNCTIONP(x) RECORDP (x, compiled_function)
96 #define CHECK_COMPILED_FUNCTION(x) CHECK_RECORD (x, compiled_function)
97 #define CONCHECK_COMPILED_FUNCTION(x) CONCHECK_RECORD (x, compiled_function)
98
99 extern Lisp_Object Qbyte_code;
100
101 /* total 1765 internal 101 doc-and-int 775 doc-only 389 int-only 42 neither 559
102 no doc slot, no int slot
103 overhead : (* 1765 0) = 0
104 doc-and-int (args . (doc . int)): (* 775 4) = 3100
105 doc-only (args . doc) : (* 389 2) = 778
106 int-only (args . int) : (* 42 2) = 84
107 neither args : (* 559 0) = 0 = 3962
108 combined
109 overhead : (* 1765 1) = 1765
110 doc-and-int (doc . int) : (* 775 2) = 1550
111 doc-only doc : (* 389 0) = 0
112 int-only int : (* 42 0) = 0
113 neither - : (* 559 0) = 0 = 3315
114 both
115 overhead : (* 1765 2) = 3530
116 doc-and-int - : (* 775 0) = 0
117 doc-only - : (* 389 0) = 0
118 int-only - : (* 42 0) = 0
119 neither - : (* 559 0) = 0 = 3530
120 */
121
122 #endif /* _XEMACS_BYTECODE_H_ */
123