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213
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1 /* CCL (Code Conversion Language) interpreter.
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2 Copyright (C) 1995, 1997 Electrotechnical Laboratory, JAPAN.
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3 Licensed to the Free Software Foundation.
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70
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4
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5 This file is part of XEmacs.
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6
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213
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7 GNU Emacs is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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70
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11
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213
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12 GNU Emacs is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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70
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16
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17 You should have received a copy of the GNU General Public License
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213
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18 along with GNU Emacs; see the file COPYING. If not, write to
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70
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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213
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22 /* Synched up with : FSF Emacs 20.2 */
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23
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24 #include <stdio.h>
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25
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26 #ifdef emacs
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70
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30 #include "buffer.h"
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213
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31 #include "mule-charset.h"
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32 #include "mule-ccl.h"
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70
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33 #include "mule-coding.h"
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34
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213
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35 #else /* not emacs */
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36
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37 #include "mulelib.h"
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38
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39 #endif /* not emacs */
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40
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41 /* Alist of fontname patterns vs corresponding CCL program. */
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42 Lisp_Object Vfont_ccl_encoder_alist;
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70
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43
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213
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44 /* Vector of CCL program names vs corresponding program data. */
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45 Lisp_Object Vccl_program_table;
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46
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47 /* CCL (Code Conversion Language) is a simple language which has
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48 operations on one input buffer, one output buffer, and 7 registers.
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49 The syntax of CCL is described in `ccl.el'. Emacs Lisp function
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50 `ccl-compile' compiles a CCL program and produces a CCL code which
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51 is a vector of integers. The structure of this vector is as
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52 follows: The 1st element: buffer-magnification, a factor for the
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53 size of output buffer compared with the size of input buffer. The
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54 2nd element: address of CCL code to be executed when encountered
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55 with end of input stream. The 3rd and the remaining elements: CCL
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56 codes. */
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70
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57
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58 /* Header of CCL compiled code */
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213
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59 #define CCL_HEADER_BUF_MAG 0
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60 #define CCL_HEADER_EOF 1
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61 #define CCL_HEADER_MAIN 2
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70
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62
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213
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63 /* CCL code is a sequence of 28-bit non-negative integers (i.e. the
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64 MSB is always 0), each contains CCL command and/or arguments in the
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65 following format:
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70
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66
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213
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67 |----------------- integer (28-bit) ------------------|
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68 |------- 17-bit ------|- 3-bit --|- 3-bit --|- 5-bit -|
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69 |--constant argument--|-register-|-register-|-command-|
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70 ccccccccccccccccc RRR rrr XXXXX
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71 or
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72 |------- relative address -------|-register-|-command-|
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73 cccccccccccccccccccc rrr XXXXX
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74 or
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75 |------------- constant or other args ----------------|
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76 cccccccccccccccccccccccccccc
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77
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78 where, `cc...c' is a non-negative integer indicating constant value
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79 (the left most `c' is always 0) or an absolute jump address, `RRR'
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80 and `rrr' are CCL register number, `XXXXX' is one of the following
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81 CCL commands. */
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82
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83 /* CCL commands
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84
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85 Each comment fields shows one or more lines for command syntax and
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86 the following lines for semantics of the command. In semantics, IC
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87 stands for Instruction Counter. */
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88
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89 #define CCL_SetRegister 0x00 /* Set register a register value:
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90 1:00000000000000000RRRrrrXXXXX
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91 ------------------------------
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92 reg[rrr] = reg[RRR];
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93 */
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70
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94
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213
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95 #define CCL_SetShortConst 0x01 /* Set register a short constant value:
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96 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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97 ------------------------------
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98 reg[rrr] = CCCCCCCCCCCCCCCCCCC;
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99 */
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100
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101 #define CCL_SetConst 0x02 /* Set register a constant value:
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102 1:00000000000000000000rrrXXXXX
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103 2:CONSTANT
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104 ------------------------------
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105 reg[rrr] = CONSTANT;
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106 IC++;
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107 */
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70
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108
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213
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109 #define CCL_SetArray 0x03 /* Set register an element of array:
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110 1:CCCCCCCCCCCCCCCCCRRRrrrXXXXX
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111 2:ELEMENT[0]
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112 3:ELEMENT[1]
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113 ...
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114 ------------------------------
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115 if (0 <= reg[RRR] < CC..C)
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116 reg[rrr] = ELEMENT[reg[RRR]];
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117 IC += CC..C;
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118 */
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70
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119
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213
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120 #define CCL_Jump 0x04 /* Jump:
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121 1:A--D--D--R--E--S--S-000XXXXX
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122 ------------------------------
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123 IC += ADDRESS;
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124 */
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125
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126 /* Note: If CC..C is greater than 0, the second code is omitted. */
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127
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128 #define CCL_JumpCond 0x05 /* Jump conditional:
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129 1:A--D--D--R--E--S--S-rrrXXXXX
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130 ------------------------------
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131 if (!reg[rrr])
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132 IC += ADDRESS;
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133 */
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70
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134
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135
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213
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136 #define CCL_WriteRegisterJump 0x06 /* Write register and jump:
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137 1:A--D--D--R--E--S--S-rrrXXXXX
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138 ------------------------------
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139 write (reg[rrr]);
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140 IC += ADDRESS;
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141 */
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142
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143 #define CCL_WriteRegisterReadJump 0x07 /* Write register, read, and jump:
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144 1:A--D--D--R--E--S--S-rrrXXXXX
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145 2:A--D--D--R--E--S--S-rrrYYYYY
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146 -----------------------------
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147 write (reg[rrr]);
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148 IC++;
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149 read (reg[rrr]);
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150 IC += ADDRESS;
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151 */
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152 /* Note: If read is suspended, the resumed execution starts from the
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153 second code (YYYYY == CCL_ReadJump). */
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154
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155 #define CCL_WriteConstJump 0x08 /* Write constant and jump:
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156 1:A--D--D--R--E--S--S-000XXXXX
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157 2:CONST
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158 ------------------------------
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159 write (CONST);
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160 IC += ADDRESS;
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161 */
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162
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163 #define CCL_WriteConstReadJump 0x09 /* Write constant, read, and jump:
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164 1:A--D--D--R--E--S--S-rrrXXXXX
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165 2:CONST
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166 3:A--D--D--R--E--S--S-rrrYYYYY
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167 -----------------------------
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168 write (CONST);
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169 IC += 2;
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170 read (reg[rrr]);
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171 IC += ADDRESS;
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172 */
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173 /* Note: If read is suspended, the resumed execution starts from the
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174 second code (YYYYY == CCL_ReadJump). */
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175
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176 #define CCL_WriteStringJump 0x0A /* Write string and jump:
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177 1:A--D--D--R--E--S--S-000XXXXX
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178 2:LENGTH
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179 3:0000STRIN[0]STRIN[1]STRIN[2]
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180 ...
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181 ------------------------------
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182 write_string (STRING, LENGTH);
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183 IC += ADDRESS;
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184 */
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185
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186 #define CCL_WriteArrayReadJump 0x0B /* Write an array element, read, and jump:
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187 1:A--D--D--R--E--S--S-rrrXXXXX
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188 2:LENGTH
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189 3:ELEMENET[0]
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190 4:ELEMENET[1]
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191 ...
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192 N:A--D--D--R--E--S--S-rrrYYYYY
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193 ------------------------------
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194 if (0 <= reg[rrr] < LENGTH)
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195 write (ELEMENT[reg[rrr]]);
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196 IC += LENGTH + 2; (... pointing at N+1)
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197 read (reg[rrr]);
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198 IC += ADDRESS;
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199 */
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200 /* Note: If read is suspended, the resumed execution starts from the
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201 Nth code (YYYYY == CCL_ReadJump). */
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202
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203 #define CCL_ReadJump 0x0C /* Read and jump:
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204 1:A--D--D--R--E--S--S-rrrYYYYY
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205 -----------------------------
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206 read (reg[rrr]);
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207 IC += ADDRESS;
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208 */
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209
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210 #define CCL_Branch 0x0D /* Jump by branch table:
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211 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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212 2:A--D--D--R--E-S-S[0]000XXXXX
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213 3:A--D--D--R--E-S-S[1]000XXXXX
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214 ...
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215 ------------------------------
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216 if (0 <= reg[rrr] < CC..C)
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217 IC += ADDRESS[reg[rrr]];
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218 else
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219 IC += ADDRESS[CC..C];
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220 */
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221
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222 #define CCL_ReadRegister 0x0E /* Read bytes into registers:
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223 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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224 2:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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225 ...
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226 ------------------------------
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227 while (CCC--)
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228 read (reg[rrr]);
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229 */
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230
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231 #define CCL_WriteExprConst 0x0F /* write result of expression:
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232 1:00000OPERATION000RRR000XXXXX
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233 2:CONSTANT
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234 ------------------------------
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235 write (reg[RRR] OPERATION CONSTANT);
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236 IC++;
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237 */
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238
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239 /* Note: If the Nth read is suspended, the resumed execution starts
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240 from the Nth code. */
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241
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242 #define CCL_ReadBranch 0x10 /* Read one byte into a register,
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243 and jump by branch table:
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244 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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245 2:A--D--D--R--E-S-S[0]000XXXXX
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246 3:A--D--D--R--E-S-S[1]000XXXXX
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247 ...
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248 ------------------------------
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249 read (read[rrr]);
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250 if (0 <= reg[rrr] < CC..C)
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251 IC += ADDRESS[reg[rrr]];
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252 else
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253 IC += ADDRESS[CC..C];
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254 */
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255
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256 #define CCL_WriteRegister 0x11 /* Write registers:
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257 1:CCCCCCCCCCCCCCCCCCCrrrXXXXX
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258 2:CCCCCCCCCCCCCCCCCCCrrrXXXXX
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259 ...
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260 ------------------------------
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261 while (CCC--)
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262 write (reg[rrr]);
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263 ...
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264 */
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265
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266 /* Note: If the Nth write is suspended, the resumed execution
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267 starts from the Nth code. */
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268
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269 #define CCL_WriteExprRegister 0x12 /* Write result of expression
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270 1:00000OPERATIONRrrRRR000XXXXX
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271 ------------------------------
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272 write (reg[RRR] OPERATION reg[Rrr]);
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273 */
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274
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275 #define CCL_Call 0x13 /* Write a constant:
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276 1:CCCCCCCCCCCCCCCCCCCC000XXXXX
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277 ------------------------------
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278 call (CC..C)
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279 */
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280
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281 #define CCL_WriteConstString 0x14 /* Write a constant or a string:
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282 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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283 [2:0000STRIN[0]STRIN[1]STRIN[2]]
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284 [...]
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285 -----------------------------
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286 if (!rrr)
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287 write (CC..C)
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288 else
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289 write_string (STRING, CC..C);
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290 IC += (CC..C + 2) / 3;
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291 */
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292
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293 #define CCL_WriteArray 0x15 /* Write an element of array:
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294 1:CCCCCCCCCCCCCCCCCCCCrrrXXXXX
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295 2:ELEMENT[0]
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296 3:ELEMENT[1]
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297 ...
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298 ------------------------------
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299 if (0 <= reg[rrr] < CC..C)
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300 write (ELEMENT[reg[rrr]]);
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301 IC += CC..C;
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302 */
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303
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304 #define CCL_End 0x16 /* Terminate:
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305 1:00000000000000000000000XXXXX
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306 ------------------------------
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307 terminate ();
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308 */
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309
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310 /* The following two codes execute an assignment arithmetic/logical
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311 operation. The form of the operation is like REG OP= OPERAND. */
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312
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313 #define CCL_ExprSelfConst 0x17 /* REG OP= constant:
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314 1:00000OPERATION000000rrrXXXXX
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315 2:CONSTANT
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316 ------------------------------
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317 reg[rrr] OPERATION= CONSTANT;
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318 */
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319
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320 #define CCL_ExprSelfReg 0x18 /* REG1 OP= REG2:
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321 1:00000OPERATION000RRRrrrXXXXX
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322 ------------------------------
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323 reg[rrr] OPERATION= reg[RRR];
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324 */
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325
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326 /* The following codes execute an arithmetic/logical operation. The
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327 form of the operation is like REG_X = REG_Y OP OPERAND2. */
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70
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328
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213
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329 #define CCL_SetExprConst 0x19 /* REG_X = REG_Y OP constant:
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330 1:00000OPERATION000RRRrrrXXXXX
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331 2:CONSTANT
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332 ------------------------------
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333 reg[rrr] = reg[RRR] OPERATION CONSTANT;
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334 IC++;
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335 */
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336
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337 #define CCL_SetExprReg 0x1A /* REG1 = REG2 OP REG3:
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338 1:00000OPERATIONRrrRRRrrrXXXXX
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339 ------------------------------
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340 reg[rrr] = reg[RRR] OPERATION reg[Rrr];
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341 */
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342
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343 #define CCL_JumpCondExprConst 0x1B /* Jump conditional according to
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344 an operation on constant:
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345 1:A--D--D--R--E--S--S-rrrXXXXX
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346 2:OPERATION
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347 3:CONSTANT
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348 -----------------------------
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349 reg[7] = reg[rrr] OPERATION CONSTANT;
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350 if (!(reg[7]))
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351 IC += ADDRESS;
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352 else
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353 IC += 2
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354 */
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355
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356 #define CCL_JumpCondExprReg 0x1C /* Jump conditional according to
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357 an operation on register:
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358 1:A--D--D--R--E--S--S-rrrXXXXX
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359 2:OPERATION
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360 3:RRR
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361 -----------------------------
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362 reg[7] = reg[rrr] OPERATION reg[RRR];
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363 if (!reg[7])
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364 IC += ADDRESS;
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365 else
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366 IC += 2;
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367 */
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368
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369 #define CCL_ReadJumpCondExprConst 0x1D /* Read and jump conditional according
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370 to an operation on constant:
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371 1:A--D--D--R--E--S--S-rrrXXXXX
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372 2:OPERATION
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373 3:CONSTANT
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374 -----------------------------
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375 read (reg[rrr]);
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376 reg[7] = reg[rrr] OPERATION CONSTANT;
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377 if (!reg[7])
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378 IC += ADDRESS;
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379 else
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380 IC += 2;
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381 */
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382
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383 #define CCL_ReadJumpCondExprReg 0x1E /* Read and jump conditional according
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384 to an operation on register:
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385 1:A--D--D--R--E--S--S-rrrXXXXX
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386 2:OPERATION
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387 3:RRR
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388 -----------------------------
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389 read (reg[rrr]);
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390 reg[7] = reg[rrr] OPERATION reg[RRR];
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391 if (!reg[7])
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392 IC += ADDRESS;
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393 else
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394 IC += 2;
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395 */
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396
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397 #define CCL_Extention 0x1F /* Extended CCL code
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398 1:ExtendedCOMMNDRrrRRRrrrXXXXX
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399 2:ARGUEMENT
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400 3:...
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401 ------------------------------
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|
402 extended_command (rrr,RRR,Rrr,ARGS)
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|
403 */
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404
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405
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406 /* CCL arithmetic/logical operators. */
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407 #define CCL_PLUS 0x00 /* X = Y + Z */
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408 #define CCL_MINUS 0x01 /* X = Y - Z */
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409 #define CCL_MUL 0x02 /* X = Y * Z */
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410 #define CCL_DIV 0x03 /* X = Y / Z */
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|
411 #define CCL_MOD 0x04 /* X = Y % Z */
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|
|
412 #define CCL_AND 0x05 /* X = Y & Z */
|
|
|
413 #define CCL_OR 0x06 /* X = Y | Z */
|
|
|
414 #define CCL_XOR 0x07 /* X = Y ^ Z */
|
|
|
415 #define CCL_LSH 0x08 /* X = Y << Z */
|
|
|
416 #define CCL_RSH 0x09 /* X = Y >> Z */
|
|
|
417 #define CCL_LSH8 0x0A /* X = (Y << 8) | Z */
|
|
|
418 #define CCL_RSH8 0x0B /* X = Y >> 8, r[7] = Y & 0xFF */
|
|
|
419 #define CCL_DIVMOD 0x0C /* X = Y / Z, r[7] = Y % Z */
|
|
|
420 #define CCL_LS 0x10 /* X = (X < Y) */
|
|
|
421 #define CCL_GT 0x11 /* X = (X > Y) */
|
|
|
422 #define CCL_EQ 0x12 /* X = (X == Y) */
|
|
|
423 #define CCL_LE 0x13 /* X = (X <= Y) */
|
|
|
424 #define CCL_GE 0x14 /* X = (X >= Y) */
|
|
|
425 #define CCL_NE 0x15 /* X = (X != Y) */
|
|
|
426
|
|
|
427 #define CCL_ENCODE_SJIS 0x16 /* X = HIGHER_BYTE (SJIS (Y, Z))
|
|
|
428 r[7] = LOWER_BYTE (SJIS (Y, Z) */
|
|
|
429 #define CCL_DECODE_SJIS 0x17 /* X = HIGHER_BYTE (DE-SJIS (Y, Z))
|
|
|
430 r[7] = LOWER_BYTE (DE-SJIS (Y, Z)) */
|
|
|
431
|
|
|
432 /* Macros for exit status of CCL program. */
|
|
|
433 #define CCL_STAT_SUCCESS 0 /* Terminated successfully. */
|
|
|
434 #define CCL_STAT_SUSPEND 1 /* Terminated because of empty input
|
|
|
435 buffer or full output buffer. */
|
|
|
436 #define CCL_STAT_INVALID_CMD 2 /* Terminated because of invalid
|
|
|
437 command. */
|
|
|
438 #define CCL_STAT_QUIT 3 /* Terminated because of quit. */
|
|
|
439
|
|
|
440 /* Terminate CCL program successfully. */
|
|
|
441 #define CCL_SUCCESS \
|
|
|
442 do { \
|
|
|
443 ccl->status = CCL_STAT_SUCCESS; \
|
|
|
444 ccl->ic = CCL_HEADER_MAIN; \
|
|
|
445 goto ccl_finish; \
|
|
|
446 } while (0)
|
|
|
447
|
|
|
448 /* Suspend CCL program because of reading from empty input buffer or
|
|
|
449 writing to full output buffer. When this program is resumed, the
|
|
|
450 same I/O command is executed. */
|
|
|
451 #define CCL_SUSPEND \
|
|
|
452 do { \
|
|
|
453 ic--; \
|
|
|
454 ccl->status = CCL_STAT_SUSPEND; \
|
|
|
455 goto ccl_finish; \
|
|
|
456 } while (0)
|
|
|
457
|
|
|
458 /* Terminate CCL program because of invalid command. Should not occur
|
|
|
459 in the normal case. */
|
|
|
460 #define CCL_INVALID_CMD \
|
|
|
461 do { \
|
|
|
462 ccl->status = CCL_STAT_INVALID_CMD; \
|
|
|
463 goto ccl_error_handler; \
|
|
|
464 } while (0)
|
|
|
465
|
|
|
466 /* Encode one character CH to multibyte form and write to the current
|
|
|
467 output buffer. If CH is less than 256, CH is written as is. */
|
|
|
468 #define CCL_WRITE_CHAR(ch) \
|
|
|
469 do { \
|
|
|
470 if (!destination) \
|
|
|
471 CCL_INVALID_CMD; \
|
|
|
472 else \
|
|
|
473 { \
|
|
|
474 Bufbyte work[MAX_EMCHAR_LEN]; \
|
|
|
475 int len = set_charptr_emchar (work, ch); \
|
|
|
476 Dynarr_add_many (destination, work, len); \
|
|
|
477 } \
|
|
|
478 } while (0)
|
|
|
479
|
|
|
480 /* Write a string at ccl_prog[IC] of length LEN to the current output
|
|
|
481 buffer. */
|
|
|
482 #define CCL_WRITE_STRING(len) \
|
|
|
483 do { \
|
|
|
484 if (!destination) \
|
|
|
485 CCL_INVALID_CMD; \
|
|
|
486 else \
|
|
|
487 for (i = 0; i < len; i++) \
|
|
|
488 Dynarr_add(destination, (XINT (ccl_prog[ic + (i / 3)]) \
|
|
|
489 >> ((2 - (i % 3)) * 8)) & 0xFF); \
|
|
|
490 } while (0)
|
|
|
491
|
|
|
492 /* Read one byte from the current input buffer into Rth register. */
|
|
|
493 #define CCL_READ_CHAR(r) \
|
|
|
494 do { \
|
|
|
495 if (!src) \
|
|
|
496 CCL_INVALID_CMD; \
|
|
|
497 else if (src < src_end) \
|
|
|
498 r = *src++; \
|
|
|
499 else if (ccl->last_block) \
|
|
|
500 { \
|
|
|
501 ic = ccl->eof_ic; \
|
|
|
502 goto ccl_finish; \
|
|
|
503 } \
|
|
|
504 else \
|
|
|
505 CCL_SUSPEND; \
|
|
|
506 } while (0)
|
|
|
507
|
|
|
508
|
|
|
509 /* Execute CCL code on SRC_BYTES length text at SOURCE. The resulting
|
|
|
510 text goes to a place pointed by DESTINATION. The bytes actually
|
|
|
511 processed is returned as *CONSUMED. The return value is the length
|
|
|
512 of the resulting text. As a side effect, the contents of CCL registers
|
|
|
513 are updated. If SOURCE or DESTINATION is NULL, only operations on
|
|
|
514 registers are permitted. */
|
|
|
515
|
|
|
516 #ifdef CCL_DEBUG
|
|
|
517 #define CCL_DEBUG_BACKTRACE_LEN 256
|
|
|
518 int ccl_backtrace_table[CCL_BACKTRACE_TABLE];
|
|
|
519 int ccl_backtrace_idx;
|
|
|
520 #endif
|
|
|
521
|
|
|
522 struct ccl_prog_stack
|
|
|
523 {
|
|
|
524 Lisp_Object *ccl_prog; /* Pointer to an array of CCL code. */
|
|
|
525 int ic; /* Instruction Counter. */
|
|
|
526 };
|
|
70
|
527
|
|
|
528 int
|
|
213
|
529 ccl_driver (struct ccl_program *ccl, CONST unsigned char *source, unsigned_char_dynarr *destination, int src_bytes, int *consumed)
|
|
70
|
530 {
|
|
|
531 int *reg = ccl->reg;
|
|
213
|
532 int ic = ccl->ic;
|
|
|
533 int code, field1, field2;
|
|
|
534 Lisp_Object *ccl_prog = ccl->prog;
|
|
|
535 unsigned char *src = source, *src_end = src + src_bytes;
|
|
|
536 int jump_address;
|
|
|
537 int i, j, op;
|
|
|
538 int stack_idx = 0;
|
|
|
539 /* For the moment, we only support depth 256 of stack. */
|
|
|
540 struct ccl_prog_stack ccl_prog_stack_struct[256];
|
|
70
|
541
|
|
213
|
542 if (ic >= ccl->eof_ic)
|
|
70
|
543 ic = CCL_HEADER_MAIN;
|
|
|
544
|
|
213
|
545 #ifdef CCL_DEBUG
|
|
|
546 ccl_backtrace_idx = 0;
|
|
|
547 #endif
|
|
70
|
548
|
|
213
|
549 for (;;)
|
|
70
|
550 {
|
|
213
|
551 #ifdef CCL_DEBUG
|
|
|
552 ccl_backtrace_table[ccl_backtrace_idx++] = ic;
|
|
|
553 if (ccl_backtrace_idx >= CCL_DEBUG_BACKTRACE_LEN)
|
|
|
554 ccl_backtrace_idx = 0;
|
|
|
555 ccl_backtrace_table[ccl_backtrace_idx] = 0;
|
|
|
556 #endif
|
|
70
|
557
|
|
213
|
558 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
|
|
70
|
559 {
|
|
213
|
560 /* We can't just signal Qquit, instead break the loop as if
|
|
|
561 the whole data is processed. Don't reset Vquit_flag, it
|
|
|
562 must be handled later at a safer place. */
|
|
|
563 if (consumed)
|
|
|
564 src = source + src_bytes;
|
|
|
565 ccl->status = CCL_STAT_QUIT;
|
|
|
566 break;
|
|
|
567 }
|
|
|
568
|
|
|
569 code = XINT (ccl_prog[ic]); ic++;
|
|
|
570 field1 = code >> 8;
|
|
|
571 field2 = (code & 0xFF) >> 5;
|
|
|
572
|
|
|
573 #define rrr field2
|
|
|
574 #define RRR (field1 & 7)
|
|
|
575 #define Rrr ((field1 >> 3) & 7)
|
|
|
576 #define ADDR field1
|
|
|
577
|
|
|
578 switch (code & 0x1F)
|
|
|
579 {
|
|
|
580 case CCL_SetRegister: /* 00000000000000000RRRrrrXXXXX */
|
|
|
581 reg[rrr] = reg[RRR];
|
|
|
582 break;
|
|
|
583
|
|
|
584 case CCL_SetShortConst: /* CCCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
|
585 reg[rrr] = field1;
|
|
|
586 break;
|
|
|
587
|
|
|
588 case CCL_SetConst: /* 00000000000000000000rrrXXXXX */
|
|
|
589 reg[rrr] = XINT (ccl_prog[ic]);
|
|
|
590 ic++;
|
|
|
591 break;
|
|
|
592
|
|
|
593 case CCL_SetArray: /* CCCCCCCCCCCCCCCCCCCCRRRrrrXXXXX */
|
|
|
594 i = reg[RRR];
|
|
|
595 j = field1 >> 3;
|
|
|
596 if ((unsigned int) i < j)
|
|
|
597 reg[rrr] = XINT (ccl_prog[ic + i]);
|
|
|
598 ic += j;
|
|
|
599 break;
|
|
|
600
|
|
|
601 case CCL_Jump: /* A--D--D--R--E--S--S-000XXXXX */
|
|
|
602 ic += ADDR;
|
|
|
603 break;
|
|
|
604
|
|
|
605 case CCL_JumpCond: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
70
|
606 if (!reg[rrr])
|
|
213
|
607 ic += ADDR;
|
|
|
608 break;
|
|
|
609
|
|
|
610 case CCL_WriteRegisterJump: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
|
611 i = reg[rrr];
|
|
|
612 CCL_WRITE_CHAR (i);
|
|
|
613 ic += ADDR;
|
|
|
614 break;
|
|
|
615
|
|
|
616 case CCL_WriteRegisterReadJump: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
|
617 i = reg[rrr];
|
|
|
618 CCL_WRITE_CHAR (i);
|
|
|
619 ic++;
|
|
70
|
620 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
621 ic += ADDR - 1;
|
|
|
622 break;
|
|
|
623
|
|
|
624 case CCL_WriteConstJump: /* A--D--D--R--E--S--S-000XXXXX */
|
|
|
625 i = XINT (ccl_prog[ic]);
|
|
|
626 CCL_WRITE_CHAR (i);
|
|
|
627 ic += ADDR;
|
|
|
628 break;
|
|
|
629
|
|
|
630 case CCL_WriteConstReadJump: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
|
631 i = XINT (ccl_prog[ic]);
|
|
|
632 CCL_WRITE_CHAR (i);
|
|
|
633 ic++;
|
|
70
|
634 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
635 ic += ADDR - 1;
|
|
|
636 break;
|
|
|
637
|
|
|
638 case CCL_WriteStringJump: /* A--D--D--R--E--S--S-000XXXXX */
|
|
|
639 j = XINT (ccl_prog[ic]);
|
|
|
640 ic++;
|
|
|
641 CCL_WRITE_STRING (j);
|
|
|
642 ic += ADDR - 1;
|
|
|
643 break;
|
|
|
644
|
|
|
645 case CCL_WriteArrayReadJump: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
|
646 i = reg[rrr];
|
|
|
647 j = XINT (ccl_prog[ic]);
|
|
|
648 if ((unsigned int) i < j)
|
|
70
|
649 {
|
|
213
|
650 i = XINT (ccl_prog[ic + 1 + i]);
|
|
|
651 CCL_WRITE_CHAR (i);
|
|
70
|
652 }
|
|
213
|
653 ic += j + 2;
|
|
70
|
654 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
655 ic += ADDR - (j + 2);
|
|
|
656 break;
|
|
|
657
|
|
|
658 case CCL_ReadJump: /* A--D--D--R--E--S--S-rrrYYYYY */
|
|
70
|
659 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
660 ic += ADDR;
|
|
|
661 break;
|
|
|
662
|
|
|
663 case CCL_ReadBranch: /* CCCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
70
|
664 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
665 /* fall through ... */
|
|
|
666 case CCL_Branch: /* CCCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
|
667 if ((unsigned int) reg[rrr] < field1)
|
|
|
668 ic += XINT (ccl_prog[ic + reg[rrr]]);
|
|
|
669 else
|
|
|
670 ic += XINT (ccl_prog[ic + field1]);
|
|
|
671 break;
|
|
|
672
|
|
|
673 case CCL_ReadRegister: /* CCCCCCCCCCCCCCCCCCCCrrXXXXX */
|
|
|
674 while (1)
|
|
|
675 {
|
|
|
676 CCL_READ_CHAR (reg[rrr]);
|
|
|
677 if (!field1) break;
|
|
|
678 code = XINT (ccl_prog[ic]); ic++;
|
|
|
679 field1 = code >> 8;
|
|
|
680 field2 = (code & 0xFF) >> 5;
|
|
|
681 }
|
|
|
682 break;
|
|
|
683
|
|
|
684 case CCL_WriteExprConst: /* 1:00000OPERATION000RRR000XXXXX */
|
|
|
685 rrr = 7;
|
|
|
686 i = reg[RRR];
|
|
|
687 j = XINT (ccl_prog[ic]);
|
|
|
688 op = field1 >> 6;
|
|
|
689 ic++;
|
|
|
690 goto ccl_set_expr;
|
|
|
691
|
|
|
692 case CCL_WriteRegister: /* CCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
|
693 while (1)
|
|
|
694 {
|
|
|
695 i = reg[rrr];
|
|
|
696 CCL_WRITE_CHAR (i);
|
|
|
697 if (!field1) break;
|
|
|
698 code = XINT (ccl_prog[ic]); ic++;
|
|
|
699 field1 = code >> 8;
|
|
|
700 field2 = (code & 0xFF) >> 5;
|
|
|
701 }
|
|
|
702 break;
|
|
|
703
|
|
|
704 case CCL_WriteExprRegister: /* 1:00000OPERATIONRrrRRR000XXXXX */
|
|
|
705 rrr = 7;
|
|
|
706 i = reg[RRR];
|
|
|
707 j = reg[Rrr];
|
|
|
708 op = field1 >> 6;
|
|
|
709 goto ccl_set_expr;
|
|
|
710
|
|
|
711 case CCL_Call: /* CCCCCCCCCCCCCCCCCCCC000XXXXX */
|
|
|
712 {
|
|
|
713 Lisp_Object slot;
|
|
|
714
|
|
|
715 if (stack_idx >= 256
|
|
|
716 || field1 < 0
|
|
|
717 || field1 >= XVECTOR_LENGTH (Vccl_program_table)
|
|
|
718 || (slot = XVECTOR_DATA (Vccl_program_table)[field1],
|
|
|
719 !CONSP (slot))
|
|
|
720 || !VECTORP (XCDR (slot)))
|
|
|
721 {
|
|
|
722 if (stack_idx > 0)
|
|
|
723 {
|
|
|
724 ccl_prog = ccl_prog_stack_struct[0].ccl_prog;
|
|
|
725 ic = ccl_prog_stack_struct[0].ic;
|
|
|
726 }
|
|
|
727 CCL_INVALID_CMD;
|
|
|
728 }
|
|
|
729
|
|
|
730 ccl_prog_stack_struct[stack_idx].ccl_prog = ccl_prog;
|
|
|
731 ccl_prog_stack_struct[stack_idx].ic = ic;
|
|
|
732 stack_idx++;
|
|
|
733 ccl_prog = XVECTOR_DATA (XCDR (slot));
|
|
|
734 ic = CCL_HEADER_MAIN;
|
|
|
735 }
|
|
|
736 break;
|
|
|
737
|
|
|
738 case CCL_WriteConstString: /* CCCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
|
739 if (!rrr)
|
|
|
740 CCL_WRITE_CHAR (field1);
|
|
|
741 else
|
|
|
742 {
|
|
|
743 CCL_WRITE_STRING (field1);
|
|
|
744 ic += (field1 + 2) / 3;
|
|
|
745 }
|
|
|
746 break;
|
|
|
747
|
|
|
748 case CCL_WriteArray: /* CCCCCCCCCCCCCCCCCCCCrrrXXXXX */
|
|
|
749 i = reg[rrr];
|
|
|
750 if ((unsigned int) i < field1)
|
|
|
751 {
|
|
|
752 j = XINT (ccl_prog[ic + i]);
|
|
|
753 CCL_WRITE_CHAR (j);
|
|
|
754 }
|
|
|
755 ic += field1;
|
|
|
756 break;
|
|
|
757
|
|
|
758 case CCL_End: /* 0000000000000000000000XXXXX */
|
|
|
759 if (stack_idx-- > 0)
|
|
|
760 {
|
|
|
761 ccl_prog = ccl_prog_stack_struct[stack_idx].ccl_prog;
|
|
|
762 ic = ccl_prog_stack_struct[stack_idx].ic;
|
|
|
763 break;
|
|
|
764 }
|
|
70
|
765 CCL_SUCCESS;
|
|
213
|
766
|
|
|
767 case CCL_ExprSelfConst: /* 00000OPERATION000000rrrXXXXX */
|
|
|
768 i = XINT (ccl_prog[ic]);
|
|
|
769 ic++;
|
|
|
770 op = field1 >> 6;
|
|
|
771 goto ccl_expr_self;
|
|
|
772
|
|
|
773 case CCL_ExprSelfReg: /* 00000OPERATION000RRRrrrXXXXX */
|
|
|
774 i = reg[RRR];
|
|
|
775 op = field1 >> 6;
|
|
|
776
|
|
|
777 ccl_expr_self:
|
|
70
|
778 switch (op)
|
|
|
779 {
|
|
213
|
780 case CCL_PLUS: reg[rrr] += i; break;
|
|
|
781 case CCL_MINUS: reg[rrr] -= i; break;
|
|
|
782 case CCL_MUL: reg[rrr] *= i; break;
|
|
|
783 case CCL_DIV: reg[rrr] /= i; break;
|
|
|
784 case CCL_MOD: reg[rrr] %= i; break;
|
|
|
785 case CCL_AND: reg[rrr] &= i; break;
|
|
|
786 case CCL_OR: reg[rrr] |= i; break;
|
|
|
787 case CCL_XOR: reg[rrr] ^= i; break;
|
|
|
788 case CCL_LSH: reg[rrr] <<= i; break;
|
|
|
789 case CCL_RSH: reg[rrr] >>= i; break;
|
|
|
790 case CCL_LSH8: reg[rrr] <<= 8; reg[rrr] |= i; break;
|
|
|
791 case CCL_RSH8: reg[7] = reg[rrr] & 0xFF; reg[rrr] >>= 8; break;
|
|
|
792 case CCL_DIVMOD: reg[7] = reg[rrr] % i; reg[rrr] /= i; break;
|
|
|
793 case CCL_LS: reg[rrr] = reg[rrr] < i; break;
|
|
|
794 case CCL_GT: reg[rrr] = reg[rrr] > i; break;
|
|
|
795 case CCL_EQ: reg[rrr] = reg[rrr] == i; break;
|
|
|
796 case CCL_LE: reg[rrr] = reg[rrr] <= i; break;
|
|
|
797 case CCL_GE: reg[rrr] = reg[rrr] >= i; break;
|
|
|
798 case CCL_NE: reg[rrr] = reg[rrr] != i; break;
|
|
70
|
799 default: CCL_INVALID_CMD;
|
|
|
800 }
|
|
213
|
801 break;
|
|
|
802
|
|
|
803 case CCL_SetExprConst: /* 00000OPERATION000RRRrrrXXXXX */
|
|
|
804 i = reg[RRR];
|
|
|
805 j = XINT (ccl_prog[ic]);
|
|
|
806 op = field1 >> 6;
|
|
|
807 jump_address = ++ic;
|
|
70
|
808 goto ccl_set_expr;
|
|
213
|
809
|
|
|
810 case CCL_SetExprReg: /* 00000OPERATIONRrrRRRrrrXXXXX */
|
|
|
811 i = reg[RRR];
|
|
|
812 j = reg[Rrr];
|
|
|
813 op = field1 >> 6;
|
|
|
814 jump_address = ic;
|
|
70
|
815 goto ccl_set_expr;
|
|
213
|
816
|
|
|
817 case CCL_ReadJumpCondExprConst: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
70
|
818 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
819 case CCL_JumpCondExprConst: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
70
|
820 i = reg[rrr];
|
|
213
|
821 op = XINT (ccl_prog[ic]);
|
|
|
822 jump_address = ic++ + ADDR;
|
|
|
823 j = XINT (ccl_prog[ic]);
|
|
|
824 ic++;
|
|
70
|
825 rrr = 7;
|
|
|
826 goto ccl_set_expr;
|
|
213
|
827
|
|
|
828 case CCL_ReadJumpCondExprReg: /* A--D--D--R--E--S--S-rrrXXXXX */
|
|
70
|
829 CCL_READ_CHAR (reg[rrr]);
|
|
213
|
830 case CCL_JumpCondExprReg:
|
|
70
|
831 i = reg[rrr];
|
|
213
|
832 op = XINT (ccl_prog[ic]);
|
|
|
833 jump_address = ic++ + ADDR;
|
|
|
834 j = reg[XINT (ccl_prog[ic])];
|
|
|
835 ic++;
|
|
70
|
836 rrr = 7;
|
|
213
|
837
|
|
|
838 ccl_set_expr:
|
|
70
|
839 switch (op)
|
|
|
840 {
|
|
213
|
841 case CCL_PLUS: reg[rrr] = i + j; break;
|
|
|
842 case CCL_MINUS: reg[rrr] = i - j; break;
|
|
|
843 case CCL_MUL: reg[rrr] = i * j; break;
|
|
|
844 case CCL_DIV: reg[rrr] = i / j; break;
|
|
|
845 case CCL_MOD: reg[rrr] = i % j; break;
|
|
|
846 case CCL_AND: reg[rrr] = i & j; break;
|
|
|
847 case CCL_OR: reg[rrr] = i | j; break;
|
|
|
848 case CCL_XOR: reg[rrr] = i ^ j;; break;
|
|
|
849 case CCL_LSH: reg[rrr] = i << j; break;
|
|
|
850 case CCL_RSH: reg[rrr] = i >> j; break;
|
|
|
851 case CCL_LSH8: reg[rrr] = (i << 8) | j; break;
|
|
|
852 case CCL_RSH8: reg[rrr] = i >> 8; reg[7] = i & 0xFF; break;
|
|
|
853 case CCL_DIVMOD: reg[rrr] = i / j; reg[7] = i % j; break;
|
|
|
854 case CCL_LS: reg[rrr] = i < j; break;
|
|
|
855 case CCL_GT: reg[rrr] = i > j; break;
|
|
|
856 case CCL_EQ: reg[rrr] = i == j; break;
|
|
|
857 case CCL_LE: reg[rrr] = i <= j; break;
|
|
|
858 case CCL_GE: reg[rrr] = i >= j; break;
|
|
|
859 case CCL_NE: reg[rrr] = i != j; break;
|
|
|
860 case CCL_ENCODE_SJIS: ENCODE_SJIS (i, j, reg[rrr], reg[7]); break;
|
|
|
861 case CCL_DECODE_SJIS: DECODE_SJIS (i, j, reg[rrr], reg[7]); break;
|
|
70
|
862 default: CCL_INVALID_CMD;
|
|
|
863 }
|
|
213
|
864 code &= 0x1F;
|
|
|
865 if (code == CCL_WriteExprConst || code == CCL_WriteExprRegister)
|
|
|
866 {
|
|
|
867 i = reg[rrr];
|
|
|
868 CCL_WRITE_CHAR (i);
|
|
|
869 }
|
|
|
870 else if (!reg[rrr])
|
|
|
871 ic = jump_address;
|
|
|
872 break;
|
|
|
873
|
|
70
|
874 default:
|
|
|
875 CCL_INVALID_CMD;
|
|
|
876 }
|
|
|
877 }
|
|
|
878
|
|
213
|
879 ccl_error_handler:
|
|
|
880 if (destination)
|
|
70
|
881 {
|
|
213
|
882 /* We can insert an error message only if DESTINATION is
|
|
|
883 specified and we still have a room to store the message
|
|
|
884 there. */
|
|
|
885 char msg[256];
|
|
|
886
|
|
70
|
887 switch (ccl->status)
|
|
|
888 {
|
|
|
889 case CCL_STAT_INVALID_CMD:
|
|
213
|
890 sprintf(msg, "\nCCL: Invalid command %x (ccl_code = %x) at %d.",
|
|
|
891 code & 0x1F, code, ic);
|
|
|
892 #ifdef CCL_DEBUG
|
|
|
893 {
|
|
|
894 int i = ccl_backtrace_idx - 1;
|
|
|
895 int j;
|
|
|
896
|
|
|
897 Dynarr_add_many (destination, (unsigned char *) msg, strlen (msg));
|
|
|
898
|
|
|
899 for (j = 0; j < CCL_DEBUG_BACKTRACE_LEN; j++, i--)
|
|
|
900 {
|
|
|
901 if (i < 0) i = CCL_DEBUG_BACKTRACE_LEN - 1;
|
|
|
902 if (ccl_backtrace_table[i] == 0)
|
|
|
903 break;
|
|
|
904 sprintf(msg, " %d", ccl_backtrace_table[i]);
|
|
|
905 Dynarr_add_many (destination, (unsigned char *) msg, strlen (msg));
|
|
|
906 }
|
|
|
907 }
|
|
|
908 #endif
|
|
|
909 goto ccl_finish;
|
|
|
910
|
|
|
911 case CCL_STAT_QUIT:
|
|
|
912 sprintf(msg, "\nCCL: Quited.");
|
|
70
|
913 break;
|
|
213
|
914
|
|
70
|
915 default:
|
|
213
|
916 sprintf(msg, "\nCCL: Unknown error type (%d).", ccl->status);
|
|
70
|
917 }
|
|
213
|
918
|
|
|
919 Dynarr_add_many (destination, (unsigned char *) msg, strlen (msg));
|
|
70
|
920 }
|
|
|
921
|
|
213
|
922 ccl_finish:
|
|
70
|
923 ccl->ic = ic;
|
|
213
|
924 if (consumed) *consumed = src - source;
|
|
|
925 if (destination)
|
|
|
926 return Dynarr_length (destination);
|
|
70
|
927 else
|
|
|
928 return 0;
|
|
|
929 }
|
|
|
930
|
|
213
|
931 /* Setup fields of the structure pointed by CCL appropriately for the
|
|
|
932 execution of compiled CCL code in VEC (vector of integer). */
|
|
70
|
933 void
|
|
213
|
934 setup_ccl_program (ccl, vec)
|
|
|
935 struct ccl_program *ccl;
|
|
|
936 Lisp_Object vec;
|
|
70
|
937 {
|
|
|
938 int i;
|
|
|
939
|
|
213
|
940 ccl->size = XVECTOR_LENGTH (vec);
|
|
|
941 ccl->prog = XVECTOR_DATA (vec);
|
|
|
942 ccl->ic = CCL_HEADER_MAIN;
|
|
|
943 ccl->eof_ic = XINT (XVECTOR_DATA (vec)[CCL_HEADER_EOF]);
|
|
|
944 ccl->buf_magnification = XINT (XVECTOR_DATA (vec)[CCL_HEADER_BUF_MAG]);
|
|
|
945 for (i = 0; i < 8; i++)
|
|
70
|
946 ccl->reg[i] = 0;
|
|
213
|
947 ccl->last_block = 0;
|
|
70
|
948 ccl->status = 0;
|
|
|
949 }
|
|
|
950
|
|
|
951 #ifdef emacs
|
|
|
952
|
|
213
|
953 DEFUN ("ccl-execute", Fccl_execute, 2, 2, 0, /*
|
|
|
954 Execute CCL-PROGRAM with registers initialized by REGISTERS.
|
|
|
955 CCL-PROGRAM is a compiled code generated by `ccl-compile',
|
|
|
956 no I/O commands should appear in the CCL program.
|
|
|
957 REGISTERS is a vector of [R0 R1 ... R7] where RN is an initial value
|
|
|
958 of Nth register.
|
|
|
959 As side effect, each element of REGISTER holds the value of
|
|
|
960 corresponding register after the execution.
|
|
|
961 */
|
|
|
962 (ccl_prog, reg))
|
|
70
|
963 {
|
|
213
|
964 struct ccl_program ccl;
|
|
70
|
965 int i;
|
|
213
|
966
|
|
|
967 CHECK_VECTOR (ccl_prog);
|
|
|
968 CHECK_VECTOR (reg);
|
|
|
969 if (XVECTOR_LENGTH (reg) != 8)
|
|
|
970 error ("Invalid length of vector REGISTERS");
|
|
|
971
|
|
|
972 setup_ccl_program (&ccl, ccl_prog);
|
|
|
973 for (i = 0; i < 8; i++)
|
|
|
974 ccl.reg[i] = (INTP (XVECTOR_DATA (reg)[i])
|
|
|
975 ? XINT (XVECTOR_DATA (reg)[i])
|
|
|
976 : 0);
|
|
|
977
|
|
|
978 ccl_driver (&ccl, (CONST unsigned char *)0, (unsigned_char_dynarr *)0,
|
|
|
979 0, (int *)0);
|
|
|
980 QUIT;
|
|
|
981 if (ccl.status != CCL_STAT_SUCCESS)
|
|
|
982 error ("Error in CCL program at %dth code", ccl.ic);
|
|
|
983
|
|
|
984 for (i = 0; i < 8; i++)
|
|
|
985 XSETINT (XVECTOR_DATA (reg)[i], ccl.reg[i]);
|
|
|
986 return Qnil;
|
|
|
987 }
|
|
70
|
988
|
|
213
|
989 DEFUN ("ccl-execute-on-string", Fccl_execute_on_string, 3, 4, 0, /*
|
|
|
990 Execute CCL-PROGRAM with initial STATUS on STRING.
|
|
|
991 CCL-PROGRAM is a compiled code generated by `ccl-compile'.
|
|
|
992 Read buffer is set to STRING, and write buffer is allocated automatically.
|
|
|
993 STATUS is a vector of [R0 R1 ... R7 IC], where
|
|
|
994 R0..R7 are initial values of corresponding registers,
|
|
|
995 IC is the instruction counter specifying from where to start the program.
|
|
|
996 If R0..R7 are nil, they are initialized to 0.
|
|
|
997 If IC is nil, it is initialized to head of the CCL program.
|
|
|
998 Returns the contents of write buffer as a string,
|
|
|
999 and as side effect, STATUS is updated.
|
|
|
1000 If optional 4th arg CONTINUE is non-nil, keep IC on read operation
|
|
|
1001 when read buffer is exausted, else, IC is always set to the end of
|
|
|
1002 CCL-PROGRAM on exit.
|
|
|
1003 */
|
|
|
1004 (ccl_prog, status, str, contin))
|
|
|
1005 {
|
|
|
1006 Lisp_Object val;
|
|
|
1007 struct ccl_program ccl;
|
|
|
1008 int i, produced;
|
|
|
1009 unsigned_char_dynarr *outbuf;
|
|
|
1010 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
1011
|
|
|
1012 CHECK_VECTOR (ccl_prog);
|
|
70
|
1013 CHECK_VECTOR (status);
|
|
213
|
1014 if (XVECTOR_LENGTH (status) != 9)
|
|
|
1015 error ("Invalid length of vector STATUS");
|
|
|
1016 CHECK_STRING (str);
|
|
|
1017 GCPRO3 (ccl_prog, status, str);
|
|
70
|
1018
|
|
213
|
1019 setup_ccl_program (&ccl, ccl_prog);
|
|
70
|
1020 for (i = 0; i < 8; i++)
|
|
|
1021 {
|
|
213
|
1022 if (NILP (XVECTOR_DATA (status)[i]))
|
|
|
1023 XSETINT (XVECTOR_DATA (status)[i], 0);
|
|
|
1024 if (INTP (XVECTOR_DATA (status)[i]))
|
|
|
1025 ccl.reg[i] = XINT (XVECTOR_DATA (status)[i]);
|
|
|
1026 }
|
|
|
1027 if (INTP (XVECTOR_DATA (status)[8]))
|
|
|
1028 {
|
|
|
1029 i = XINT (XVECTOR_DATA (status)[8]);
|
|
|
1030 if (ccl.ic < i && i < ccl.size)
|
|
|
1031 ccl.ic = i;
|
|
|
1032 }
|
|
|
1033 outbuf = Dynarr_new (unsigned_char);
|
|
|
1034 ccl.last_block = NILP (contin);
|
|
|
1035 produced = ccl_driver (&ccl, XSTRING_DATA (str), outbuf,
|
|
|
1036 XSTRING_LENGTH (str), (int *)0);
|
|
|
1037 for (i = 0; i < 8; i++)
|
|
|
1038 XVECTOR_DATA (status)[i] = make_int(ccl.reg[i]);
|
|
|
1039 XSETINT (XVECTOR_DATA (status)[8], ccl.ic);
|
|
|
1040 UNGCPRO;
|
|
|
1041
|
|
|
1042 val = make_string (Dynarr_atp (outbuf, 0), produced);
|
|
|
1043 free (outbuf);
|
|
|
1044 QUIT;
|
|
|
1045 if (ccl.status != CCL_STAT_SUCCESS
|
|
|
1046 && ccl.status != CCL_STAT_SUSPEND)
|
|
|
1047 error ("Error in CCL program at %dth code", ccl.ic);
|
|
|
1048
|
|
|
1049 return val;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 DEFUN ("register-ccl-program", Fregister_ccl_program, 2, 2, 0, /*
|
|
|
1053 Register CCL program PROGRAM of NAME in `ccl-program-table'.
|
|
|
1054 PROGRAM should be a compiled code of CCL program, or nil.
|
|
|
1055 Return index number of the registered CCL program.
|
|
|
1056 */
|
|
|
1057 (name, ccl_prog))
|
|
|
1058 {
|
|
|
1059 int len = XVECTOR_LENGTH (Vccl_program_table);
|
|
|
1060 int i;
|
|
|
1061
|
|
|
1062 CHECK_SYMBOL (name);
|
|
|
1063 if (!NILP (ccl_prog))
|
|
|
1064 CHECK_VECTOR (ccl_prog);
|
|
|
1065
|
|
|
1066 for (i = 0; i < len; i++)
|
|
|
1067 {
|
|
|
1068 Lisp_Object slot = XVECTOR_DATA (Vccl_program_table)[i];
|
|
|
1069
|
|
|
1070 if (!CONSP (slot))
|
|
|
1071 break;
|
|
|
1072
|
|
|
1073 if (EQ (name, XCAR (slot)))
|
|
70
|
1074 {
|
|
213
|
1075 XCDR (slot) = ccl_prog;
|
|
|
1076 return make_int (i);
|
|
70
|
1077 }
|
|
|
1078 }
|
|
|
1079
|
|
213
|
1080 if (i == len)
|
|
|
1081 {
|
|
|
1082 Lisp_Object new_table = Fmake_vector (make_int (len * 2), Qnil);
|
|
|
1083 int j;
|
|
70
|
1084
|
|
213
|
1085 for (j = 0; j < len; j++)
|
|
|
1086 XVECTOR_DATA (new_table)[j]
|
|
|
1087 = XVECTOR_DATA (Vccl_program_table)[j];
|
|
|
1088 Vccl_program_table = new_table;
|
|
|
1089 }
|
|
70
|
1090
|
|
213
|
1091 XVECTOR_DATA (Vccl_program_table)[i] = Fcons (name, ccl_prog);
|
|
|
1092 return make_int (i);
|
|
70
|
1093 }
|
|
|
1094
|
|
|
1095 void
|
|
|
1096 syms_of_mule_ccl (void)
|
|
|
1097 {
|
|
213
|
1098 staticpro (&Vccl_program_table);
|
|
|
1099 Vccl_program_table = Fmake_vector (make_int (32), Qnil);
|
|
|
1100
|
|
|
1101 DEFVAR_LISP ("font-ccl-encoder-alist", &Vfont_ccl_encoder_alist /*
|
|
|
1102 Alist of fontname patterns vs corresponding CCL program.
|
|
|
1103 Each element looks like (REGEXP . CCL-CODE),
|
|
|
1104 where CCL-CODE is a compiled CCL program.
|
|
|
1105 When a font whose name matches REGEXP is used for displaying a character,
|
|
|
1106 CCL-CODE is executed to calculate the code point in the font
|
|
|
1107 from the charset number and position code(s) of the character which are set
|
|
|
1108 in CCL registers R0, R1, and R2 before the execution.
|
|
|
1109 The code point in the font is set in CCL registers R1 and R2
|
|
|
1110 when the execution terminated.
|
|
|
1111 If the font is single-byte font, the register R2 is not used.
|
|
|
1112 */ );
|
|
|
1113 Vfont_ccl_encoder_alist = Qnil;
|
|
|
1114
|
|
|
1115 DEFSUBR (Fccl_execute);
|
|
|
1116 DEFSUBR (Fccl_execute_on_string);
|
|
|
1117 DEFSUBR (Fregister_ccl_program);
|
|
70
|
1118 }
|
|
|
1119
|
|
213
|
1120 #endif /* emacs */
|
