Mercurial > hg > xemacs-beta
annotate src/bytecode.h @ 5543:fbe90e6f7a43
Initialize start and end properly (to new markers, not Qnil).
* * *
Refactor syntax cache initialization.
* * *
Refactor setup_syntax_cache.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Mon, 08 Aug 2011 13:57:20 +0900 |
| parents | 308d34e9f07d |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* Definitions for bytecode interpretation and compiled-function objects. |
| 2 Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc. | |
| 814 | 3 Copyright (C) 2002 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
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7 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
| 428 | 11 |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 20 /* Synched up with: Not in FSF. */ | |
| 21 | |
| 22 /* Authorship: | |
| 23 | |
| 24 FSF: long ago. | |
| 25 Mly: rewrote for 19.8, properly abstracted. | |
| 26 Jon Reid: some changes for I18N3 (domain, etc), for 19.8. | |
| 27 */ | |
| 28 | |
| 440 | 29 #ifndef INCLUDED_bytecode_h_ |
| 30 #define INCLUDED_bytecode_h_ | |
| 428 | 31 |
| 3092 | 32 #ifdef NEW_GC |
| 33 struct compiled_function_args | |
| 34 { | |
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35 NORMAL_LISP_OBJECT_HEADER header; |
| 3092 | 36 long size; |
| 37 Lisp_Object args[1]; | |
| 38 }; | |
| 39 | |
| 40 typedef struct compiled_function_args Lisp_Compiled_Function_Args; | |
| 41 | |
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42 DECLARE_LISP_OBJECT (compiled_function_args, Lisp_Compiled_Function_Args); |
| 3092 | 43 |
| 44 #define XCOMPILED_FUNCTION_ARGS(x) \ | |
| 45 XRECORD (x, compiled_function_args, Lisp_Compiled_Function_Args) | |
| 46 #define wrap_compiled_function_args(p) wrap_record (p, compiled_function_args) | |
| 47 #define COMPILED_FUNCTION_ARGS_P(x) RECORDP (x, compiled_function_args) | |
| 48 #define CHECK_COMPILED_FUNCTION_ARGS(x) \ | |
| 49 CHECK_RECORD (x, compiled_function_args) | |
| 50 #define CONCHECK_COMPILED_FUNCTION_ARGS(x) \ | |
| 51 CONCHECK_RECORD (x, compiled_function_args) | |
| 52 | |
| 53 #define compiled_function_args_data(v) ((v)->args) | |
| 54 #define XCOMPILED_FUNCTION_ARGS_DATA(s) \ | |
| 55 compiled_function_args_data (XCOMPILED_FUNCTION_ARGS (s)) | |
| 3263 | 56 #endif /* NEW_GC */ |
| 3092 | 57 |
| 428 | 58 /* Meanings of slots in a Lisp_Compiled_Function. |
| 59 Don't use these! For backward compatibility only. */ | |
| 60 #define COMPILED_ARGLIST 0 | |
| 61 #define COMPILED_INSTRUCTIONS 1 | |
| 62 #define COMPILED_CONSTANTS 2 | |
| 63 #define COMPILED_STACK_DEPTH 3 | |
| 64 #define COMPILED_DOC_STRING 4 | |
| 65 #define COMPILED_INTERACTIVE 5 | |
| 66 #define COMPILED_DOMAIN 6 | |
| 67 | |
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68 /* Someone claims: [[ It doesn't make sense to have this and also have |
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69 load-history ]] But in fact they are quite different things. Perhaps |
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70 we should turn this on only when DEBUG_XEMACS but there's no speed |
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71 harm at all, so no reason not to do it always. */ |
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72 #define COMPILED_FUNCTION_ANNOTATION_HACK |
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73 |
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74 #ifdef DEBUG_XEMACS |
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75 /* Define BYTE_CODE_METER to enable generation of a byte-op usage |
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76 histogram. This isn't defined in FSF Emacs and isn't defined in XEmacs |
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77 v19. But this is precisely the thing to turn on when DEBUG_XEMACS. It |
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78 may lead to a slight speed penalty but nothing major. */ |
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79 #define BYTE_CODE_METER |
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80 #endif |
| 428 | 81 |
| 82 struct Lisp_Compiled_Function | |
| 83 { | |
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84 FROB_BLOCK_LISP_OBJECT_HEADER lheader; |
| 428 | 85 unsigned short stack_depth; |
| 86 unsigned short specpdl_depth; | |
| 87 struct | |
| 88 { | |
| 89 unsigned int documentationp: 1; | |
| 90 unsigned int interactivep: 1; | |
| 91 /* Only used if I18N3, but always defined for simplicity. */ | |
| 92 unsigned int domainp: 1; | |
| 93 /* Non-zero if this bytecode came from a v18 or v19 file. | |
| 94 We need to Ebolify the `assoc', `delq', etc. functions. */ | |
| 95 unsigned int ebolified: 1; | |
| 96 } flags; | |
| 97 Lisp_Object instructions; | |
| 98 Lisp_Object constants; | |
| 99 Lisp_Object arglist; | |
| 814 | 100 /* For speed, we unroll arglist into an array of argument symbols, so we |
| 101 don't have to process arglist every time we make a function call. */ | |
| 3092 | 102 #ifdef NEW_GC |
| 103 Lisp_Object arguments; | |
| 104 #else /* not NEW_GC */ | |
| 814 | 105 Lisp_Object *args; |
| 3092 | 106 #endif /* not NEW_GC */ |
| 814 | 107 /* Minimum and maximum number of arguments. If MAX_ARGS == MANY, the |
| 108 function was declared with &rest, and (args_in_array - 1) indicates | |
| 109 how many arguments there are before the &rest argument. (We could | |
| 110 munge the max_non_rest_args into max_args by using a negative number, | |
| 111 but that interferes with pdump marking. We don't want to use a flag | |
| 112 to indicate &rest because that would add an extra check in the | |
| 113 simplest case.) */ | |
| 114 int min_args, max_args; | |
| 115 int args_in_array; | |
| 428 | 116 /* This uses the minimal number of conses; see accessors in data.c. */ |
| 117 Lisp_Object doc_and_interactive; | |
| 118 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 119 /* Something indicating where the bytecode came from */ | |
| 120 Lisp_Object annotated; | |
| 121 #endif | |
| 122 }; | |
| 123 typedef struct Lisp_Compiled_Function Lisp_Compiled_Function; | |
| 124 | |
| 125 Lisp_Object run_byte_code (Lisp_Object compiled_function_or_instructions, ...); | |
| 126 | |
| 127 Lisp_Object compiled_function_arglist (Lisp_Compiled_Function *f); | |
| 128 Lisp_Object compiled_function_instructions (Lisp_Compiled_Function *f); | |
| 129 Lisp_Object compiled_function_constants (Lisp_Compiled_Function *f); | |
| 130 int compiled_function_stack_depth (Lisp_Compiled_Function *f); | |
| 131 Lisp_Object compiled_function_documentation (Lisp_Compiled_Function *f); | |
| 132 Lisp_Object compiled_function_annotation (Lisp_Compiled_Function *f); | |
| 133 Lisp_Object compiled_function_domain (Lisp_Compiled_Function *f); | |
| 134 Lisp_Object compiled_function_interactive (Lisp_Compiled_Function *f); | |
| 135 | |
| 136 void set_compiled_function_documentation (Lisp_Compiled_Function *f, | |
| 137 Lisp_Object new_doc); | |
| 138 | |
| 139 void optimize_compiled_function (Lisp_Object compiled_function); | |
| 140 | |
| 814 | 141 typedef unsigned char Opbyte; |
| 142 Lisp_Object execute_optimized_program (const Opbyte *program, | |
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143 #ifdef ERROR_CHECK_BYTE_CODE |
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144 Elemcount program_length, |
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145 #endif |
| 814 | 146 int stack_depth, |
| 147 Lisp_Object *constants_data); | |
| 148 | |
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149 DECLARE_LISP_OBJECT (compiled_function, Lisp_Compiled_Function); |
| 428 | 150 #define XCOMPILED_FUNCTION(x) XRECORD (x, compiled_function, \ |
| 151 Lisp_Compiled_Function) | |
| 617 | 152 #define wrap_compiled_function(p) wrap_record (p, compiled_function) |
| 428 | 153 #define COMPILED_FUNCTIONP(x) RECORDP (x, compiled_function) |
| 154 #define CHECK_COMPILED_FUNCTION(x) CHECK_RECORD (x, compiled_function) | |
| 155 #define CONCHECK_COMPILED_FUNCTION(x) CONCHECK_RECORD (x, compiled_function) | |
| 156 | |
| 157 extern Lisp_Object Qbyte_code; | |
| 158 | |
| 159 /* total 1765 internal 101 doc-and-int 775 doc-only 389 int-only 42 neither 559 | |
| 160 no doc slot, no int slot | |
| 161 overhead : (* 1765 0) = 0 | |
| 162 doc-and-int (args . (doc . int)): (* 775 4) = 3100 | |
| 163 doc-only (args . doc) : (* 389 2) = 778 | |
| 164 int-only (args . int) : (* 42 2) = 84 | |
| 165 neither args : (* 559 0) = 0 = 3962 | |
| 166 combined | |
| 167 overhead : (* 1765 1) = 1765 | |
| 168 doc-and-int (doc . int) : (* 775 2) = 1550 | |
| 169 doc-only doc : (* 389 0) = 0 | |
| 170 int-only int : (* 42 0) = 0 | |
| 171 neither - : (* 559 0) = 0 = 3315 | |
| 172 both | |
| 173 overhead : (* 1765 2) = 3530 | |
| 174 doc-and-int - : (* 775 0) = 0 | |
| 175 doc-only - : (* 389 0) = 0 | |
| 176 int-only - : (* 42 0) = 0 | |
| 177 neither - : (* 559 0) = 0 = 3530 | |
| 178 */ | |
| 179 | |
| 440 | 180 #endif /* INCLUDED_bytecode_h_ */ |
| 428 | 181 |