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1 /* Definitions for bytecode interpretation and compiled-function objects.
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2 Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 /* Authorship:
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24
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25 FSF: long ago.
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26 Mly: rewrote for 19.8, properly abstracted.
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27 Jon Reid: some changes for I18N3 (domain, etc), for 19.8.
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28 */
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29
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440
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30 #ifndef INCLUDED_bytecode_h_
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31 #define INCLUDED_bytecode_h_
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428
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32
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33 /* Meanings of slots in a Lisp_Compiled_Function.
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34 Don't use these! For backward compatibility only. */
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35 #define COMPILED_ARGLIST 0
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36 #define COMPILED_INSTRUCTIONS 1
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37 #define COMPILED_CONSTANTS 2
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38 #define COMPILED_STACK_DEPTH 3
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39 #define COMPILED_DOC_STRING 4
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40 #define COMPILED_INTERACTIVE 5
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41 #define COMPILED_DOMAIN 6
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42
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43 /* It doesn't make sense to have this and also have load-history */
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44 /* #define COMPILED_FUNCTION_ANNOTATION_HACK */
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45
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46 struct Lisp_Compiled_Function
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47 {
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48 struct lrecord_header lheader;
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49 unsigned short stack_depth;
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50 unsigned short specpdl_depth;
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51 struct
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52 {
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53 unsigned int documentationp: 1;
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54 unsigned int interactivep: 1;
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55 /* Only used if I18N3, but always defined for simplicity. */
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56 unsigned int domainp: 1;
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57 /* Non-zero if this bytecode came from a v18 or v19 file.
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58 We need to Ebolify the `assoc', `delq', etc. functions. */
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59 unsigned int ebolified: 1;
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60 } flags;
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61 Lisp_Object instructions;
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62 Lisp_Object constants;
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63 Lisp_Object arglist;
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64 /* This uses the minimal number of conses; see accessors in data.c. */
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65 Lisp_Object doc_and_interactive;
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66 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK
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67 /* Something indicating where the bytecode came from */
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68 Lisp_Object annotated;
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69 #endif
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70 };
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71 typedef struct Lisp_Compiled_Function Lisp_Compiled_Function;
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72
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73 Lisp_Object run_byte_code (Lisp_Object compiled_function_or_instructions, ...);
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74
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75 Lisp_Object compiled_function_arglist (Lisp_Compiled_Function *f);
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76 Lisp_Object compiled_function_instructions (Lisp_Compiled_Function *f);
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77 Lisp_Object compiled_function_constants (Lisp_Compiled_Function *f);
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78 int compiled_function_stack_depth (Lisp_Compiled_Function *f);
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79 Lisp_Object compiled_function_documentation (Lisp_Compiled_Function *f);
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80 Lisp_Object compiled_function_annotation (Lisp_Compiled_Function *f);
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81 Lisp_Object compiled_function_domain (Lisp_Compiled_Function *f);
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82 Lisp_Object compiled_function_interactive (Lisp_Compiled_Function *f);
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83
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84 void set_compiled_function_documentation (Lisp_Compiled_Function *f,
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85 Lisp_Object new_doc);
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86
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87 Lisp_Object funcall_compiled_function (Lisp_Object fun,
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88 int nargs, Lisp_Object args[]);
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89 void optimize_compiled_function (Lisp_Object compiled_function);
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90
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91 DECLARE_LRECORD (compiled_function, Lisp_Compiled_Function);
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92 #define XCOMPILED_FUNCTION(x) XRECORD (x, compiled_function, \
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93 Lisp_Compiled_Function)
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94 #define XSETCOMPILED_FUNCTION(x, p) XSETRECORD (x, p, compiled_function)
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95 #define COMPILED_FUNCTIONP(x) RECORDP (x, compiled_function)
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96 #define CHECK_COMPILED_FUNCTION(x) CHECK_RECORD (x, compiled_function)
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97 #define CONCHECK_COMPILED_FUNCTION(x) CONCHECK_RECORD (x, compiled_function)
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98
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99 extern Lisp_Object Qbyte_code;
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100
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101 /* total 1765 internal 101 doc-and-int 775 doc-only 389 int-only 42 neither 559
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102 no doc slot, no int slot
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103 overhead : (* 1765 0) = 0
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104 doc-and-int (args . (doc . int)): (* 775 4) = 3100
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105 doc-only (args . doc) : (* 389 2) = 778
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106 int-only (args . int) : (* 42 2) = 84
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107 neither args : (* 559 0) = 0 = 3962
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108 combined
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109 overhead : (* 1765 1) = 1765
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110 doc-and-int (doc . int) : (* 775 2) = 1550
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111 doc-only doc : (* 389 0) = 0
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112 int-only int : (* 42 0) = 0
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113 neither - : (* 559 0) = 0 = 3315
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114 both
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115 overhead : (* 1765 2) = 3530
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116 doc-and-int - : (* 775 0) = 0
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117 doc-only - : (* 389 0) = 0
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118 int-only - : (* 42 0) = 0
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119 neither - : (* 559 0) = 0 = 3530
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120 */
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121
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440
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122 #endif /* INCLUDED_bytecode_h_ */
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123
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