Mercurial > hg > xemacs-beta
annotate src/bytecode.c @ 5531:1b054bc2ac40
Allow disabling a symbol macro with a macro environment, #'cl-macroexpand
2011-07-03 Aidan Kehoe <kehoea@parhasard.net>
* cl.el (cl-macroexpand):
Allow code to disable a given symbol macro while expanding code by
prepending a cons with a nil cdr to the macro environment.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 03 Jul 2011 14:17:39 +0100 |
| parents | ac37a5f7e5be |
| children | 58b38d5b32d0 |
| rev | line source |
|---|---|
| 428 | 1 /* Execution of byte code produced by bytecomp.el. |
| 2 Implementation of compiled-function objects. | |
| 3 Copyright (C) 1992, 1993 Free Software Foundation, Inc. | |
|
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4 Copyright (C) 1995, 2002, 2010 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
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8 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation, either version 3 of the License, or (at your |
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11 option) any later version. |
| 428 | 12 |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
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19 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 20 |
| 21 /* Synched up with: Mule 2.0, FSF 19.30. */ | |
| 22 | |
| 23 /* This file has been Mule-ized. */ | |
| 24 | |
| 25 | |
| 26 /* Authorship: | |
| 27 | |
| 28 FSF: long ago. | |
| 29 | |
| 30 hacked on by jwz@jwz.org 1991-06 | |
| 31 o added a compile-time switch to turn on simple sanity checking; | |
| 32 o put back the obsolete byte-codes for error-detection; | |
| 33 o added a new instruction, unbind_all, which I will use for | |
| 34 tail-recursion elimination; | |
| 35 o made temp_output_buffer_show be called with the right number | |
| 36 of args; | |
| 37 o made the new bytecodes be called with args in the right order; | |
| 38 o added metering support. | |
| 39 | |
| 40 by Hallvard: | |
| 41 o added relative jump instructions; | |
| 42 o all conditionals now only do QUIT if they jump. | |
| 43 | |
| 44 Ben Wing: some changes for Mule, 1995-06. | |
| 45 | |
| 46 Martin Buchholz: performance hacking, 1998-09. | |
| 47 See Internals Manual, Evaluation. | |
| 48 */ | |
| 49 | |
| 50 #include <config.h> | |
| 51 #include "lisp.h" | |
| 52 #include "backtrace.h" | |
| 53 #include "buffer.h" | |
| 54 #include "bytecode.h" | |
| 55 #include "opaque.h" | |
| 56 #include "syntax.h" | |
| 872 | 57 #include "window.h" |
| 428 | 58 |
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59 #define NUM_REMEMBERED_BYTE_OPS 100 |
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60 |
| 3092 | 61 #ifdef NEW_GC |
| 62 static Lisp_Object | |
| 63 make_compiled_function_args (int totalargs) | |
| 64 { | |
| 65 Lisp_Compiled_Function_Args *args; | |
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66 args = XCOMPILED_FUNCTION_ARGS |
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67 (ALLOC_SIZED_LISP_OBJECT |
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68 (FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Compiled_Function_Args, |
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69 Lisp_Object, args, totalargs), |
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70 compiled_function_args)); |
| 3092 | 71 args->size = totalargs; |
| 72 return wrap_compiled_function_args (args); | |
| 73 } | |
| 74 | |
| 75 static Bytecount | |
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76 size_compiled_function_args (Lisp_Object obj) |
| 3092 | 77 { |
| 78 return FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Compiled_Function_Args, | |
| 79 Lisp_Object, args, | |
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80 XCOMPILED_FUNCTION_ARGS (obj)->size); |
| 3092 | 81 } |
| 82 | |
| 83 static const struct memory_description compiled_function_args_description[] = { | |
| 84 { XD_LONG, offsetof (Lisp_Compiled_Function_Args, size) }, | |
| 85 { XD_LISP_OBJECT_ARRAY, offsetof (Lisp_Compiled_Function_Args, args), | |
| 86 XD_INDIRECT(0, 0) }, | |
| 87 { XD_END } | |
| 88 }; | |
| 89 | |
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90 DEFINE_DUMPABLE_SIZABLE_INTERNAL_LISP_OBJECT ("compiled-function-args", |
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91 compiled_function_args, |
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92 0, |
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93 compiled_function_args_description, |
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94 size_compiled_function_args, |
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95 Lisp_Compiled_Function_Args); |
| 3092 | 96 #endif /* NEW_GC */ |
| 97 | |
| 428 | 98 EXFUN (Ffetch_bytecode, 1); |
| 99 | |
| 100 Lisp_Object Qbyte_code, Qcompiled_functionp, Qinvalid_byte_code; | |
| 101 | |
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102 |
| 428 | 103 enum Opcode /* Byte codes */ |
| 104 { | |
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105 #define OPCODE(sym, val) B##sym = val, |
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106 #include "bytecode-ops.h" |
| 428 | 107 }; |
| 108 typedef enum Opcode Opcode; | |
| 109 | |
| 110 Lisp_Object * execute_rare_opcode (Lisp_Object *stack_ptr, | |
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111 #ifdef ERROR_CHECK_BYTE_CODE |
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112 Lisp_Object *stack_beg, |
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113 Lisp_Object *stack_end, |
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114 #endif /* ERROR_CHECK_BYTE_CODE */ |
| 442 | 115 const Opbyte *program_ptr, |
| 428 | 116 Opcode opcode); |
| 117 | |
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118 #ifndef ERROR_CHECK_BYTE_CODE |
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119 |
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120 /* Normally we would use `x' instead of `0' in the argument list, to avoid |
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121 problems if `x' (an expression) has side effects, and warnings if `x' |
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122 contains variables or parameters that are otherwise unused. But in |
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123 this case `x' contains references to vars and params that exist only |
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124 when ERROR_CHECK_BYTE_CODE, and leaving in `x' would result in compile |
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125 errors. */ |
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126 # define bytecode_assert(x) disabled_assert (0) |
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127 # define bytecode_assert_with_message(x, msg) disabled_assert(0) |
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128 # define bytecode_abort_with_message(msg) abort_with_message (msg) |
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129 |
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130 #else /* ERROR_CHECK_BYTE_CODE */ |
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131 |
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132 # define bytecode_assert(x) \ |
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133 ((x) ? (void) 0 : assert_failed_with_remembered_ops (__FILE__, __LINE__, #x)) |
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134 # define bytecode_assert_with_message(x, msg) \ |
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135 ((x) ? (void) 0 : assert_failed_with_remembered_ops (__FILE__, __LINE__, msg)) |
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136 # define bytecode_abort_with_message(msg) \ |
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137 assert_failed_with_remembered_ops (__FILE__, __LINE__, msg) |
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138 |
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139 /* Table mapping opcodes to their names. This handles opcodes like |
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140 Bvarref+7, but it doesn't list any of the Bconstant+N opcodes; those |
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141 are handled specially. */ |
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142 Ascbyte *opcode_name_table[256]; |
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143 |
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144 /* Circular queue remembering the most recent operations. */ |
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145 Opcode remembered_ops[NUM_REMEMBERED_BYTE_OPS]; |
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146 int remembered_op_next_pos, num_remembered; |
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147 |
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148 static void |
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149 remember_operation (Opcode op) |
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150 { |
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151 remembered_ops[remembered_op_next_pos] = op; |
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152 remembered_op_next_pos = |
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153 (remembered_op_next_pos + 1) % NUM_REMEMBERED_BYTE_OPS; |
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154 if (num_remembered < NUM_REMEMBERED_BYTE_OPS) |
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155 num_remembered++; |
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156 } |
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157 |
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158 static void |
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159 assert_failed_with_remembered_ops (const Ascbyte *file, int line, |
| 4970 | 160 const Ascbyte *msg_to_abort_with) |
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161 { |
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162 Ascbyte *msg = |
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163 alloca_array (Ascbyte, |
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164 NUM_REMEMBERED_BYTE_OPS*50 + strlen (msg_to_abort_with)); |
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165 int i; |
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166 |
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167 if (msg_to_abort_with) |
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168 strcpy (msg, msg_to_abort_with); |
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169 strcat (msg, "\n\nRecent bytecodes, oldest first:\n\n"); |
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170 |
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171 for (i = 0; i < num_remembered; i++) |
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172 { |
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173 Ascbyte msg2[50]; |
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174 int pos; |
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175 Opcode op; |
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176 |
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177 sprintf (msg2, "%5d: ", i - num_remembered + 1); |
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178 strcat (msg, msg2); |
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179 pos = (remembered_op_next_pos + NUM_REMEMBERED_BYTE_OPS + |
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180 i - num_remembered) % NUM_REMEMBERED_BYTE_OPS; |
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181 op = remembered_ops[pos]; |
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182 if (op >= Bconstant) |
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183 { |
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184 sprintf (msg2, "constant+%d", op - Bconstant); |
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185 strcat (msg, msg2); |
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186 } |
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187 else |
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188 { |
| 4970 | 189 const Ascbyte *opname = opcode_name_table[op]; |
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190 if (!opname) |
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191 { |
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192 stderr_out ("Internal error! NULL pointer in opcode_name_table, opcode %d\n", op); |
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193 strcat (msg, "NULL"); |
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194 } |
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195 else |
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196 strcat (msg, opname); |
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197 } |
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198 sprintf (msg2, " (%d)\n", op); |
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199 strcat (msg, msg2); |
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200 } |
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201 |
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202 assert_failed (file, line, msg); |
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203 } |
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204 |
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205 #endif /* ERROR_CHECK_BYTE_CODE */ |
| 428 | 206 |
| 207 | |
| 208 #ifdef BYTE_CODE_METER | |
| 209 | |
| 210 Lisp_Object Vbyte_code_meter, Qbyte_code_meter; | |
| 211 int byte_metering_on; | |
| 212 | |
| 213 static void | |
| 214 meter_code (Opcode prev_opcode, Opcode this_opcode) | |
| 215 { | |
| 216 if (byte_metering_on) | |
| 217 { | |
| 218 Lisp_Object *p = XVECTOR_DATA (XVECTOR_DATA (Vbyte_code_meter)[this_opcode]); | |
| 219 p[0] = INT_PLUS1 (p[0]); | |
| 220 if (prev_opcode) | |
| 221 p[prev_opcode] = INT_PLUS1 (p[prev_opcode]); | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 #endif /* BYTE_CODE_METER */ | |
| 226 | |
| 227 | |
| 228 static Lisp_Object | |
| 229 bytecode_negate (Lisp_Object obj) | |
| 230 { | |
| 231 retry: | |
| 232 | |
| 1983 | 233 if (INTP (obj)) return make_integer (- XINT (obj)); |
| 428 | 234 if (FLOATP (obj)) return make_float (- XFLOAT_DATA (obj)); |
| 1983 | 235 if (CHARP (obj)) return make_integer (- ((int) XCHAR (obj))); |
| 236 if (MARKERP (obj)) return make_integer (- ((int) marker_position (obj))); | |
| 237 #ifdef HAVE_BIGNUM | |
| 238 if (BIGNUMP (obj)) BIGNUM_ARITH_RETURN (obj, neg); | |
| 239 #endif | |
| 240 #ifdef HAVE_RATIO | |
| 241 if (RATIOP (obj)) RATIO_ARITH_RETURN (obj, neg); | |
| 242 #endif | |
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243 #ifdef HAVE_BIGFLOAT |
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244 if (BIGFLOATP (obj)) BIGFLOAT_ARITH_RETURN (obj, neg); |
| 1983 | 245 #endif |
| 428 | 246 |
| 247 obj = wrong_type_argument (Qnumber_char_or_marker_p, obj); | |
| 248 goto retry; | |
| 249 } | |
| 250 | |
| 251 static Lisp_Object | |
|
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252 bytecode_nreverse (Lisp_Object sequence) |
| 428 | 253 { |
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254 if (LISTP (sequence)) |
| 428 | 255 { |
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256 REGISTER Lisp_Object prev = Qnil; |
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257 REGISTER Lisp_Object tail = sequence; |
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258 |
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259 while (!NILP (tail)) |
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260 { |
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261 REGISTER Lisp_Object next; |
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262 CHECK_CONS (tail); |
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263 next = XCDR (tail); |
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264 XCDR (tail) = prev; |
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265 prev = tail; |
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266 tail = next; |
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267 } |
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268 return prev; |
| 428 | 269 } |
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270 else |
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271 { |
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272 return Fnreverse (sequence); |
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273 } |
| 428 | 274 } |
| 275 | |
| 276 | |
| 277 /* We have our own two-argument versions of various arithmetic ops. | |
| 278 Only two-argument arithmetic operations have their own byte codes. */ | |
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279 int |
| 428 | 280 bytecode_arithcompare (Lisp_Object obj1, Lisp_Object obj2) |
| 281 { | |
| 1983 | 282 #ifdef WITH_NUMBER_TYPES |
| 283 switch (promote_args (&obj1, &obj2)) | |
| 284 { | |
| 285 case FIXNUM_T: | |
| 286 { | |
| 287 EMACS_INT ival1 = XREALINT (obj1), ival2 = XREALINT (obj2); | |
| 288 return ival1 < ival2 ? -1 : ival1 > ival2 ? 1 : 0; | |
| 289 } | |
| 290 #ifdef HAVE_BIGNUM | |
| 291 case BIGNUM_T: | |
| 292 return bignum_cmp (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2)); | |
| 293 #endif | |
| 294 #ifdef HAVE_RATIO | |
| 295 case RATIO_T: | |
| 296 return ratio_cmp (XRATIO_DATA (obj1), XRATIO_DATA (obj2)); | |
| 297 #endif | |
| 1995 | 298 #ifdef HAVE_BIGFLOAT |
| 299 case BIGFLOAT_T: | |
| 300 return bigfloat_cmp (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2)); | |
| 301 #endif | |
| 302 default: /* FLOAT_T */ | |
| 1983 | 303 { |
| 304 double dval1 = XFLOAT_DATA (obj1), dval2 = XFLOAT_DATA (obj2); | |
| 305 return dval1 < dval2 ? -1 : dval1 > dval2 ? 1 : 0; | |
| 306 } | |
| 307 } | |
| 308 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 309 retry: |
| 310 | |
| 311 { | |
| 312 EMACS_INT ival1, ival2; | |
| 313 | |
| 314 if (INTP (obj1)) ival1 = XINT (obj1); | |
| 315 else if (CHARP (obj1)) ival1 = XCHAR (obj1); | |
| 316 else if (MARKERP (obj1)) ival1 = marker_position (obj1); | |
| 317 else goto arithcompare_float; | |
| 318 | |
| 319 if (INTP (obj2)) ival2 = XINT (obj2); | |
| 320 else if (CHARP (obj2)) ival2 = XCHAR (obj2); | |
| 321 else if (MARKERP (obj2)) ival2 = marker_position (obj2); | |
| 322 else goto arithcompare_float; | |
| 323 | |
| 324 return ival1 < ival2 ? -1 : ival1 > ival2 ? 1 : 0; | |
| 325 } | |
| 326 | |
| 327 arithcompare_float: | |
| 328 | |
| 329 { | |
| 330 double dval1, dval2; | |
| 331 | |
| 332 if (FLOATP (obj1)) dval1 = XFLOAT_DATA (obj1); | |
| 333 else if (INTP (obj1)) dval1 = (double) XINT (obj1); | |
| 334 else if (CHARP (obj1)) dval1 = (double) XCHAR (obj1); | |
| 335 else if (MARKERP (obj1)) dval1 = (double) marker_position (obj1); | |
| 336 else | |
| 337 { | |
| 338 obj1 = wrong_type_argument (Qnumber_char_or_marker_p, obj1); | |
| 339 goto retry; | |
| 340 } | |
| 341 | |
| 342 if (FLOATP (obj2)) dval2 = XFLOAT_DATA (obj2); | |
| 343 else if (INTP (obj2)) dval2 = (double) XINT (obj2); | |
| 344 else if (CHARP (obj2)) dval2 = (double) XCHAR (obj2); | |
| 345 else if (MARKERP (obj2)) dval2 = (double) marker_position (obj2); | |
| 346 else | |
| 347 { | |
| 348 obj2 = wrong_type_argument (Qnumber_char_or_marker_p, obj2); | |
| 349 goto retry; | |
| 350 } | |
| 351 | |
| 352 return dval1 < dval2 ? -1 : dval1 > dval2 ? 1 : 0; | |
| 353 } | |
| 1983 | 354 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 355 } |
| 356 | |
| 357 static Lisp_Object | |
| 358 bytecode_arithop (Lisp_Object obj1, Lisp_Object obj2, Opcode opcode) | |
| 359 { | |
| 1983 | 360 #ifdef WITH_NUMBER_TYPES |
| 361 switch (promote_args (&obj1, &obj2)) | |
| 362 { | |
| 363 case FIXNUM_T: | |
| 364 { | |
| 365 EMACS_INT ival1 = XREALINT (obj1), ival2 = XREALINT (obj2); | |
| 366 switch (opcode) | |
| 367 { | |
| 368 case Bplus: ival1 += ival2; break; | |
| 369 case Bdiff: ival1 -= ival2; break; | |
| 370 case Bmult: | |
| 371 #ifdef HAVE_BIGNUM | |
| 372 /* Due to potential overflow, we compute using bignums */ | |
| 373 bignum_set_long (scratch_bignum, ival1); | |
| 374 bignum_set_long (scratch_bignum2, ival2); | |
| 375 bignum_mul (scratch_bignum, scratch_bignum, scratch_bignum2); | |
| 376 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 377 #else | |
| 378 ival1 *= ival2; break; | |
| 379 #endif | |
| 380 case Bquo: | |
|
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381 if (ival2 == 0) |
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382 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 1983 | 383 ival1 /= ival2; |
| 384 break; | |
| 385 case Bmax: if (ival1 < ival2) ival1 = ival2; break; | |
| 386 case Bmin: if (ival1 > ival2) ival1 = ival2; break; | |
| 387 } | |
| 388 return make_integer (ival1); | |
| 389 } | |
| 390 #ifdef HAVE_BIGNUM | |
| 391 case BIGNUM_T: | |
| 392 switch (opcode) | |
| 393 { | |
| 394 case Bplus: | |
| 395 bignum_add (scratch_bignum, XBIGNUM_DATA (obj1), | |
| 396 XBIGNUM_DATA (obj2)); | |
| 397 break; | |
| 398 case Bdiff: | |
| 399 bignum_sub (scratch_bignum, XBIGNUM_DATA (obj1), | |
| 400 XBIGNUM_DATA (obj2)); | |
| 401 break; | |
| 402 case Bmult: | |
| 403 bignum_mul (scratch_bignum, XBIGNUM_DATA (obj1), | |
| 404 XBIGNUM_DATA (obj2)); | |
| 405 break; | |
| 406 case Bquo: | |
| 407 if (bignum_sign (XBIGNUM_DATA (obj2)) == 0) | |
|
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|
408 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 1983 | 409 bignum_div (scratch_bignum, XBIGNUM_DATA (obj1), |
| 410 XBIGNUM_DATA (obj2)); | |
| 411 break; | |
| 412 case Bmax: | |
| 413 return bignum_gt (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2)) | |
| 414 ? obj1 : obj2; | |
| 415 case Bmin: | |
| 416 return bignum_lt (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2)) | |
| 417 ? obj1 : obj2; | |
| 418 } | |
| 419 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 420 #endif | |
| 421 #ifdef HAVE_RATIO | |
| 422 case RATIO_T: | |
| 423 switch (opcode) | |
| 424 { | |
| 425 case Bplus: | |
| 426 ratio_add (scratch_ratio, XRATIO_DATA (obj1), XRATIO_DATA (obj2)); | |
| 427 break; | |
| 428 case Bdiff: | |
| 429 ratio_sub (scratch_ratio, XRATIO_DATA (obj1), XRATIO_DATA (obj2)); | |
| 430 break; | |
| 431 case Bmult: | |
| 432 ratio_mul (scratch_ratio, XRATIO_DATA (obj1), XRATIO_DATA (obj2)); | |
| 433 break; | |
| 434 case Bquo: | |
| 435 if (ratio_sign (XRATIO_DATA (obj2)) == 0) | |
|
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|
436 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 1983 | 437 ratio_div (scratch_ratio, XRATIO_DATA (obj1), XRATIO_DATA (obj2)); |
| 438 break; | |
| 439 case Bmax: | |
| 440 return ratio_gt (XRATIO_DATA (obj1), XRATIO_DATA (obj2)) | |
| 441 ? obj1 : obj2; | |
| 442 case Bmin: | |
| 443 return ratio_lt (XRATIO_DATA (obj1), XRATIO_DATA (obj2)) | |
| 444 ? obj1 : obj2; | |
| 445 } | |
| 446 return make_ratio_rt (scratch_ratio); | |
| 447 #endif | |
| 448 #ifdef HAVE_BIGFLOAT | |
| 449 case BIGFLOAT_T: | |
| 450 bigfloat_set_prec (scratch_bigfloat, max (XBIGFLOAT_GET_PREC (obj1), | |
| 451 XBIGFLOAT_GET_PREC (obj2))); | |
| 452 switch (opcode) | |
| 453 { | |
| 454 case Bplus: | |
| 455 bigfloat_add (scratch_bigfloat, XBIGFLOAT_DATA (obj1), | |
| 456 XBIGFLOAT_DATA (obj2)); | |
| 457 break; | |
| 458 case Bdiff: | |
| 459 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (obj1), | |
| 460 XBIGFLOAT_DATA (obj2)); | |
| 461 break; | |
| 462 case Bmult: | |
| 463 bigfloat_mul (scratch_bigfloat, XBIGFLOAT_DATA (obj1), | |
| 464 XBIGFLOAT_DATA (obj2)); | |
| 465 break; | |
| 466 case Bquo: | |
| 467 if (bigfloat_sign (XBIGFLOAT_DATA (obj2)) == 0) | |
|
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|
468 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 1983 | 469 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (obj1), |
| 470 XBIGFLOAT_DATA (obj2)); | |
| 471 break; | |
| 472 case Bmax: | |
| 473 return bigfloat_gt (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2)) | |
| 474 ? obj1 : obj2; | |
| 475 case Bmin: | |
| 476 return bigfloat_lt (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2)) | |
| 477 ? obj1 : obj2; | |
| 478 } | |
| 479 return make_bigfloat_bf (scratch_bigfloat); | |
| 480 #endif | |
| 1995 | 481 default: /* FLOAT_T */ |
| 482 { | |
| 483 double dval1 = XFLOAT_DATA (obj1), dval2 = XFLOAT_DATA (obj2); | |
| 484 switch (opcode) | |
| 485 { | |
| 486 case Bplus: dval1 += dval2; break; | |
| 487 case Bdiff: dval1 -= dval2; break; | |
| 488 case Bmult: dval1 *= dval2; break; | |
| 489 case Bquo: | |
|
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|
490 if (dval2 == 0.0) |
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|
491 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 1995 | 492 dval1 /= dval2; |
| 493 break; | |
| 494 case Bmax: if (dval1 < dval2) dval1 = dval2; break; | |
| 495 case Bmin: if (dval1 > dval2) dval1 = dval2; break; | |
| 496 } | |
| 497 return make_float (dval1); | |
| 498 } | |
| 1983 | 499 } |
| 500 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 501 EMACS_INT ival1, ival2; |
| 502 int float_p; | |
| 503 | |
| 504 retry: | |
| 505 | |
| 506 float_p = 0; | |
| 507 | |
| 508 if (INTP (obj1)) ival1 = XINT (obj1); | |
| 509 else if (CHARP (obj1)) ival1 = XCHAR (obj1); | |
| 510 else if (MARKERP (obj1)) ival1 = marker_position (obj1); | |
| 511 else if (FLOATP (obj1)) ival1 = 0, float_p = 1; | |
| 512 else | |
| 513 { | |
| 514 obj1 = wrong_type_argument (Qnumber_char_or_marker_p, obj1); | |
| 515 goto retry; | |
| 516 } | |
| 517 | |
| 518 if (INTP (obj2)) ival2 = XINT (obj2); | |
| 519 else if (CHARP (obj2)) ival2 = XCHAR (obj2); | |
| 520 else if (MARKERP (obj2)) ival2 = marker_position (obj2); | |
| 521 else if (FLOATP (obj2)) ival2 = 0, float_p = 1; | |
| 522 else | |
| 523 { | |
| 524 obj2 = wrong_type_argument (Qnumber_char_or_marker_p, obj2); | |
| 525 goto retry; | |
| 526 } | |
| 527 | |
| 528 if (!float_p) | |
| 529 { | |
| 530 switch (opcode) | |
| 531 { | |
| 532 case Bplus: ival1 += ival2; break; | |
| 533 case Bdiff: ival1 -= ival2; break; | |
| 534 case Bmult: ival1 *= ival2; break; | |
| 535 case Bquo: | |
|
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536 if (ival2 == 0) |
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537 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 428 | 538 ival1 /= ival2; |
| 539 break; | |
| 540 case Bmax: if (ival1 < ival2) ival1 = ival2; break; | |
| 541 case Bmin: if (ival1 > ival2) ival1 = ival2; break; | |
| 542 } | |
| 543 return make_int (ival1); | |
| 544 } | |
| 545 else | |
| 546 { | |
| 547 double dval1 = FLOATP (obj1) ? XFLOAT_DATA (obj1) : (double) ival1; | |
| 548 double dval2 = FLOATP (obj2) ? XFLOAT_DATA (obj2) : (double) ival2; | |
| 549 switch (opcode) | |
| 550 { | |
| 551 case Bplus: dval1 += dval2; break; | |
| 552 case Bdiff: dval1 -= dval2; break; | |
| 553 case Bmult: dval1 *= dval2; break; | |
| 554 case Bquo: | |
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555 if (dval2 == 0) |
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556 signal_error_2 (Qarith_error, "division by zero", obj1, obj2); |
| 428 | 557 dval1 /= dval2; |
| 558 break; | |
| 559 case Bmax: if (dval1 < dval2) dval1 = dval2; break; | |
| 560 case Bmin: if (dval1 > dval2) dval1 = dval2; break; | |
| 561 } | |
| 562 return make_float (dval1); | |
| 563 } | |
| 1983 | 564 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 565 } |
| 566 | |
| 567 | |
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568 |
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569 /*********************** The instruction array *********************/ |
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570 |
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571 /* Check that there are at least LEN elements left in the end of the |
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572 instruction array before fetching them. Note that we allow for |
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573 PROGRAM_PTR == PROGRAM_END after the fetch -- that means there are |
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574 no more elements to fetch next time around, but we might exit before |
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575 next time comes. |
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576 |
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577 When checking the destination if jumps, however, we don't allow |
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578 PROGRAM_PTR to equal PROGRAM_END, since we will always be fetching |
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579 another instruction after the jump. */ |
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580 |
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581 #define CHECK_OPCODE_SPACE(len) \ |
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582 bytecode_assert (program_ptr + len <= program_end) |
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583 |
| 428 | 584 /* Read next uint8 from the instruction stream. */ |
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585 #define READ_UINT_1 \ |
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586 (CHECK_OPCODE_SPACE (1), (unsigned int) (unsigned char) *program_ptr++) |
| 428 | 587 |
| 588 /* Read next uint16 from the instruction stream. */ | |
| 589 #define READ_UINT_2 \ | |
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590 (CHECK_OPCODE_SPACE (2), \ |
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591 program_ptr += 2, \ |
| 428 | 592 (((unsigned int) (unsigned char) program_ptr[-1]) * 256 + \ |
| 593 ((unsigned int) (unsigned char) program_ptr[-2]))) | |
| 594 | |
| 595 /* Read next int8 from the instruction stream. */ | |
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596 #define READ_INT_1 \ |
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597 (CHECK_OPCODE_SPACE (1), (int) (signed char) *program_ptr++) |
| 428 | 598 |
| 599 /* Read next int16 from the instruction stream. */ | |
| 600 #define READ_INT_2 \ | |
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601 (CHECK_OPCODE_SPACE (2), \ |
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602 program_ptr += 2, \ |
| 428 | 603 (((int) ( signed char) program_ptr[-1]) * 256 + \ |
| 604 ((int) (unsigned char) program_ptr[-2]))) | |
| 605 | |
| 606 /* Read next int8 from instruction stream; don't advance program_pointer */ | |
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607 #define PEEK_INT_1 \ |
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608 (CHECK_OPCODE_SPACE (1), (int) (signed char) program_ptr[0]) |
| 428 | 609 |
| 610 /* Read next int16 from instruction stream; don't advance program_pointer */ | |
| 611 #define PEEK_INT_2 \ | |
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612 (CHECK_OPCODE_SPACE (2), \ |
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613 (((int) ( signed char) program_ptr[1]) * 256) | \ |
| 428 | 614 ((int) (unsigned char) program_ptr[0])) |
| 615 | |
| 616 /* Do relative jumps from the current location. | |
| 617 We only do a QUIT if we jump backwards, for efficiency. | |
| 618 No infloops without backward jumps! */ | |
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619 #define JUMP_RELATIVE(jump) do { \ |
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620 int _JR_jump = (jump); \ |
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621 if (_JR_jump < 0) QUIT; \ |
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622 /* Check that where we're going to is in range. Note that we don't use \ |
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623 CHECK_OPCODE_SPACE() -- that only checks the end, and it allows \ |
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624 program_ptr == program_end, which we don't allow. */ \ |
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625 bytecode_assert (program_ptr + _JR_jump >= program && \ |
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626 program_ptr + _JR_jump < program_end); \ |
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627 program_ptr += _JR_jump; \ |
| 428 | 628 } while (0) |
| 629 | |
| 630 #define JUMP JUMP_RELATIVE (PEEK_INT_2) | |
| 631 #define JUMPR JUMP_RELATIVE (PEEK_INT_1) | |
| 632 | |
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633 #define JUMP_NEXT (CHECK_OPCODE_SPACE (2), (void) (program_ptr += 2)) |
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634 #define JUMPR_NEXT (CHECK_OPCODE_SPACE (1), (void) (program_ptr += 1)) |
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635 |
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636 /*********************** The stack array *********************/ |
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637 |
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638 /* NOTE: The stack array doesn't work quite like you'd expect. |
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639 |
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640 STACK_PTR points to the value on the top of the stack. Popping a value |
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641 fetches the value from the STACK_PTR and then decrements it. Pushing a |
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642 value first increments it, then writes the new value. STACK_PTR - |
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643 STACK_BEG is the number of elements on the stack. |
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644 |
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645 This means that when STACK_PTR == STACK_BEG, the stack is empty, and |
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646 the space at STACK_BEG is never written to -- the first push will write |
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647 into the space directly after STACK_BEG. This is why the call to |
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648 alloca_array() below has a count of `stack_depth + 1', and why |
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649 we GCPRO1 (stack_ptr[1]) -- the value at stack_ptr[0] is unused and |
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650 uninitialized. |
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651 |
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652 Also, STACK_END actually points to the last usable storage location, |
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653 and does not point past the end, like you'd expect. */ |
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654 |
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655 #define CHECK_STACKPTR_OFFSET(len) \ |
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656 bytecode_assert (stack_ptr + (len) >= stack_beg && \ |
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657 stack_ptr + (len) <= stack_end) |
| 428 | 658 |
| 659 /* Push x onto the execution stack. */ | |
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660 #define PUSH(x) (CHECK_STACKPTR_OFFSET (1), *++stack_ptr = (x)) |
| 428 | 661 |
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662 /* Pop a value, which may be multiple, off the execution stack. */ |
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663 #define POP_WITH_MULTIPLE_VALUES (CHECK_STACKPTR_OFFSET (-1), *stack_ptr--) |
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664 |
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665 /* Pop a value off the execution stack, treating multiple values as single. */ |
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666 #define POP (IGNORE_MULTIPLE_VALUES (POP_WITH_MULTIPLE_VALUES)) |
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667 |
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668 /* ..._UNSAFE() means it evaluates its argument more than once. */ |
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669 #define DISCARD_PRESERVING_MULTIPLE_VALUES_UNSAFE(n) \ |
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670 (CHECK_STACKPTR_OFFSET (-(n)), stack_ptr -= (n)) |
| 428 | 671 |
| 672 /* Discard n values from the execution stack. */ | |
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673 #define DISCARD(n) do { \ |
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674 int _discard_n = (n); \ |
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675 if (1 != multiple_value_current_limit) \ |
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676 { \ |
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677 int i; \ |
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678 for (i = 0; i < _discard_n; i++) \ |
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679 { \ |
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680 CHECK_STACKPTR_OFFSET (-1); \ |
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681 *stack_ptr = ignore_multiple_values (*stack_ptr); \ |
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682 stack_ptr--; \ |
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683 } \ |
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684 } \ |
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685 else \ |
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686 { \ |
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687 CHECK_STACKPTR_OFFSET (-_discard_n); \ |
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688 stack_ptr -= _discard_n; \ |
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689 } \ |
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690 } while (0) |
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691 |
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692 /* Get the value, which may be multiple, at the top of the execution stack; |
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693 and leave it there. */ |
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694 #define TOP_WITH_MULTIPLE_VALUES (*stack_ptr) |
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695 |
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696 #define TOP_ADDRESS (stack_ptr) |
| 428 | 697 |
| 698 /* Get the value which is at the top of the execution stack, | |
| 699 but don't pop it. */ | |
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700 #define TOP (IGNORE_MULTIPLE_VALUES (TOP_WITH_MULTIPLE_VALUES)) |
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701 |
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702 #define TOP_LVALUE (*stack_ptr) |
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703 |
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704 |
| 428 | 705 |
| 1920 | 706 /* See comment before the big switch in execute_optimized_program(). */ |
| 1884 | 707 #define GCPRO_STACK (gcpro1.nvars = stack_ptr - stack_beg) |
| 708 | |
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709 |
| 428 | 710 /* The actual interpreter for byte code. |
| 711 This function has been seriously optimized for performance. | |
| 712 Don't change the constructs unless you are willing to do | |
| 713 real benchmarking and profiling work -- martin */ | |
| 714 | |
| 715 | |
| 814 | 716 Lisp_Object |
| 442 | 717 execute_optimized_program (const Opbyte *program, |
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718 #ifdef ERROR_CHECK_BYTE_CODE |
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719 Elemcount program_length, |
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720 #endif |
| 428 | 721 int stack_depth, |
| 722 Lisp_Object *constants_data) | |
| 723 { | |
| 724 /* This function can GC */ | |
| 442 | 725 REGISTER const Opbyte *program_ptr = (Opbyte *) program; |
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726 #ifdef ERROR_CHECK_BYTE_CODE |
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727 const Opbyte *program_end = program_ptr + program_length; |
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728 #endif |
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729 /* See comment above explaining the `+ 1' */ |
| 1884 | 730 Lisp_Object *stack_beg = alloca_array (Lisp_Object, stack_depth + 1); |
| 731 REGISTER Lisp_Object *stack_ptr = stack_beg; | |
| 428 | 732 int speccount = specpdl_depth (); |
| 733 struct gcpro gcpro1; | |
| 734 | |
| 735 #ifdef BYTE_CODE_METER | |
| 4925 | 736 Opcode this_opcode = (Opcode) 0; |
| 428 | 737 Opcode prev_opcode; |
| 738 #endif | |
| 739 | |
| 740 #ifdef ERROR_CHECK_BYTE_CODE | |
| 741 Lisp_Object *stack_end = stack_beg + stack_depth; | |
| 742 #endif | |
| 743 | |
| 1920 | 744 /* We used to GCPRO the whole interpreter stack before entering this while |
| 745 loop (21.5.14 and before), but that interferes with collection of weakly | |
| 746 referenced objects. Although strictly speaking there's no promise that | |
| 747 weak references will disappear by any given point in time, they should | |
| 748 be collected at the first opportunity. Waiting until exit from the | |
| 749 function caused test failures because "stale" objects "above" the top of | |
| 750 the stack were still GCPROed, and they were not getting collected until | |
| 751 after exit from the (byte-compiled) test! | |
| 752 | |
| 753 Now the idea is to dynamically adjust the array of GCPROed objects to | |
| 754 include only the "active" region of the stack. | |
| 755 | |
| 756 We use the "GCPRO1 the array base and set the nvars member" method. It | |
| 757 would be slightly inefficient but correct to use GCPRO1_ARRAY here. It | |
| 758 would just redundantly set nvars. | |
| 759 #### Maybe it would be clearer to use GCPRO1_ARRAY and do GCPRO_STACK | |
| 760 after the switch? | |
| 761 | |
| 762 GCPRO_STACK is something of a misnomer, because it suggests that a | |
| 763 struct gcpro is initialized each time. This is false; only the nvars | |
| 764 member of a single struct gcpro is being adjusted. This works because | |
| 765 each time a new object is assigned to a stack location, the old object | |
| 766 loses its reference and is effectively UNGCPROed, and the new object is | |
| 767 automatically GCPROed as long as nvars is correct. Only when we | |
| 768 return from the interpreter do we need to finalize the struct gcpro | |
| 769 itself, and that's done at case Breturn. | |
| 770 */ | |
|
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771 |
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772 /* See comment above explaining the `[1]' */ |
| 428 | 773 GCPRO1 (stack_ptr[1]); |
| 1758 | 774 |
| 428 | 775 while (1) |
| 776 { | |
| 777 REGISTER Opcode opcode = (Opcode) READ_UINT_1; | |
| 1920 | 778 |
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779 #ifdef ERROR_CHECK_BYTE_CODE |
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780 remember_operation (opcode); |
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781 #endif |
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782 |
| 1920 | 783 GCPRO_STACK; /* Get nvars right before maybe signaling. */ |
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784 /* #### NOTE: This code should probably never get triggered, since we |
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785 now catch the problems earlier, farther down, before we ever set |
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786 a bad value for STACK_PTR. */ |
| 428 | 787 #ifdef ERROR_CHECK_BYTE_CODE |
| 788 if (stack_ptr > stack_end) | |
| 563 | 789 stack_overflow ("byte code stack overflow", Qunbound); |
| 428 | 790 if (stack_ptr < stack_beg) |
| 563 | 791 stack_overflow ("byte code stack underflow", Qunbound); |
| 428 | 792 #endif |
| 793 | |
| 794 #ifdef BYTE_CODE_METER | |
| 795 prev_opcode = this_opcode; | |
| 796 this_opcode = opcode; | |
| 797 meter_code (prev_opcode, this_opcode); | |
| 798 #endif | |
| 799 | |
| 800 switch (opcode) | |
| 801 { | |
| 802 REGISTER int n; | |
| 803 | |
| 804 default: | |
| 805 if (opcode >= Bconstant) | |
| 806 PUSH (constants_data[opcode - Bconstant]); | |
| 807 else | |
| 1884 | 808 { |
| 809 /* We're not sure what these do, so better safe than sorry. */ | |
| 810 /* GCPRO_STACK; */ | |
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811 stack_ptr = execute_rare_opcode (stack_ptr, |
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812 #ifdef ERROR_CHECK_BYTE_CODE |
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813 stack_beg, |
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814 stack_end, |
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815 #endif /* ERROR_CHECK_BYTE_CODE */ |
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816 program_ptr, opcode); |
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817 CHECK_STACKPTR_OFFSET (0); |
| 1884 | 818 } |
| 428 | 819 break; |
| 820 | |
| 821 case Bvarref: | |
| 822 case Bvarref+1: | |
| 823 case Bvarref+2: | |
| 824 case Bvarref+3: | |
| 825 case Bvarref+4: | |
| 826 case Bvarref+5: n = opcode - Bvarref; goto do_varref; | |
| 827 case Bvarref+7: n = READ_UINT_2; goto do_varref; | |
| 828 case Bvarref+6: n = READ_UINT_1; /* most common */ | |
| 829 do_varref: | |
| 830 { | |
| 831 Lisp_Object symbol = constants_data[n]; | |
| 832 Lisp_Object value = XSYMBOL (symbol)->value; | |
| 833 if (SYMBOL_VALUE_MAGIC_P (value)) | |
| 1920 | 834 /* I GCPRO_STACKed Fsymbol_value elsewhere, but I dunno why. */ |
| 835 /* GCPRO_STACK; */ | |
| 428 | 836 value = Fsymbol_value (symbol); |
| 837 PUSH (value); | |
| 838 break; | |
| 839 } | |
| 840 | |
| 841 case Bvarset: | |
| 842 case Bvarset+1: | |
| 843 case Bvarset+2: | |
| 844 case Bvarset+3: | |
| 845 case Bvarset+4: | |
| 846 case Bvarset+5: n = opcode - Bvarset; goto do_varset; | |
| 847 case Bvarset+7: n = READ_UINT_2; goto do_varset; | |
| 848 case Bvarset+6: n = READ_UINT_1; /* most common */ | |
| 849 do_varset: | |
| 850 { | |
| 851 Lisp_Object symbol = constants_data[n]; | |
| 440 | 852 Lisp_Symbol *symbol_ptr = XSYMBOL (symbol); |
| 428 | 853 Lisp_Object old_value = symbol_ptr->value; |
| 854 Lisp_Object new_value = POP; | |
| 1661 | 855 if (!SYMBOL_VALUE_MAGIC_P (old_value) || UNBOUNDP (old_value)) |
| 428 | 856 symbol_ptr->value = new_value; |
| 1884 | 857 else { |
| 858 /* Fset may call magic handlers */ | |
| 859 /* GCPRO_STACK; */ | |
| 428 | 860 Fset (symbol, new_value); |
| 1884 | 861 } |
| 862 | |
| 428 | 863 break; |
| 864 } | |
| 865 | |
| 866 case Bvarbind: | |
| 867 case Bvarbind+1: | |
| 868 case Bvarbind+2: | |
| 869 case Bvarbind+3: | |
| 870 case Bvarbind+4: | |
| 871 case Bvarbind+5: n = opcode - Bvarbind; goto do_varbind; | |
| 872 case Bvarbind+7: n = READ_UINT_2; goto do_varbind; | |
| 873 case Bvarbind+6: n = READ_UINT_1; /* most common */ | |
| 874 do_varbind: | |
| 875 { | |
| 876 Lisp_Object symbol = constants_data[n]; | |
| 440 | 877 Lisp_Symbol *symbol_ptr = XSYMBOL (symbol); |
| 428 | 878 Lisp_Object old_value = symbol_ptr->value; |
| 879 Lisp_Object new_value = POP; | |
| 880 if (!SYMBOL_VALUE_MAGIC_P (old_value) || UNBOUNDP (old_value)) | |
| 881 { | |
| 882 specpdl_ptr->symbol = symbol; | |
| 883 specpdl_ptr->old_value = old_value; | |
| 884 specpdl_ptr->func = 0; | |
| 885 specpdl_ptr++; | |
| 886 specpdl_depth_counter++; | |
| 887 | |
| 888 symbol_ptr->value = new_value; | |
| 853 | 889 |
| 890 #ifdef ERROR_CHECK_CATCH | |
| 891 check_specbind_stack_sanity (); | |
| 892 #endif | |
| 428 | 893 } |
| 894 else | |
| 1884 | 895 { |
| 896 /* does an Fset, may call magic handlers */ | |
| 897 /* GCPRO_STACK; */ | |
| 898 specbind_magic (symbol, new_value); | |
| 899 } | |
| 428 | 900 break; |
| 901 } | |
| 902 | |
| 903 case Bcall: | |
| 904 case Bcall+1: | |
| 905 case Bcall+2: | |
| 906 case Bcall+3: | |
| 907 case Bcall+4: | |
| 908 case Bcall+5: | |
| 909 case Bcall+6: | |
| 910 case Bcall+7: | |
| 911 n = (opcode < Bcall+6 ? opcode - Bcall : | |
| 912 opcode == Bcall+6 ? READ_UINT_1 : READ_UINT_2); | |
| 1920 | 913 /* #### Shouldn't this be just before the Ffuncall? |
| 914 Neither Fget nor Fput can GC. */ | |
| 1884 | 915 /* GCPRO_STACK; */ |
| 428 | 916 DISCARD (n); |
| 917 #ifdef BYTE_CODE_METER | |
| 918 if (byte_metering_on && SYMBOLP (TOP)) | |
| 919 { | |
| 920 Lisp_Object val = Fget (TOP, Qbyte_code_meter, Qnil); | |
| 921 if (INTP (val)) | |
| 922 Fput (TOP, Qbyte_code_meter, make_int (XINT (val) + 1)); | |
| 923 } | |
| 924 #endif | |
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925 TOP_LVALUE = TOP; /* Ignore multiple values. */ |
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926 TOP_LVALUE = Ffuncall (n + 1, TOP_ADDRESS); |
| 428 | 927 break; |
| 928 | |
| 929 case Bunbind: | |
| 930 case Bunbind+1: | |
| 931 case Bunbind+2: | |
| 932 case Bunbind+3: | |
| 933 case Bunbind+4: | |
| 934 case Bunbind+5: | |
| 935 case Bunbind+6: | |
| 936 case Bunbind+7: | |
| 937 UNBIND_TO (specpdl_depth() - | |
| 938 (opcode < Bunbind+6 ? opcode-Bunbind : | |
| 939 opcode == Bunbind+6 ? READ_UINT_1 : READ_UINT_2)); | |
| 940 break; | |
| 941 | |
| 942 | |
| 943 case Bgoto: | |
| 944 JUMP; | |
| 945 break; | |
| 946 | |
| 947 case Bgotoifnil: | |
| 948 if (NILP (POP)) | |
| 949 JUMP; | |
| 950 else | |
| 951 JUMP_NEXT; | |
| 952 break; | |
| 953 | |
| 954 case Bgotoifnonnil: | |
| 955 if (!NILP (POP)) | |
| 956 JUMP; | |
| 957 else | |
| 958 JUMP_NEXT; | |
| 959 break; | |
| 960 | |
| 961 case Bgotoifnilelsepop: | |
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962 /* Discard any multiple value: */ |
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963 if (NILP (TOP_LVALUE = TOP)) |
| 428 | 964 JUMP; |
| 965 else | |
| 966 { | |
| 967 DISCARD (1); | |
| 968 JUMP_NEXT; | |
| 969 } | |
| 970 break; | |
| 971 | |
| 972 case Bgotoifnonnilelsepop: | |
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973 /* Discard any multiple value: */ |
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974 if (!NILP (TOP_LVALUE = TOP)) |
| 428 | 975 JUMP; |
| 976 else | |
| 977 { | |
| 978 DISCARD (1); | |
| 979 JUMP_NEXT; | |
| 980 } | |
| 981 break; | |
| 982 | |
| 983 | |
| 984 case BRgoto: | |
| 985 JUMPR; | |
| 986 break; | |
| 987 | |
| 988 case BRgotoifnil: | |
| 989 if (NILP (POP)) | |
| 990 JUMPR; | |
| 991 else | |
| 992 JUMPR_NEXT; | |
| 993 break; | |
| 994 | |
| 995 case BRgotoifnonnil: | |
| 996 if (!NILP (POP)) | |
| 997 JUMPR; | |
| 998 else | |
| 999 JUMPR_NEXT; | |
| 1000 break; | |
| 1001 | |
| 1002 case BRgotoifnilelsepop: | |
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1003 if (NILP (TOP_LVALUE = TOP)) |
| 428 | 1004 JUMPR; |
| 1005 else | |
| 1006 { | |
| 1007 DISCARD (1); | |
| 1008 JUMPR_NEXT; | |
| 1009 } | |
| 1010 break; | |
| 1011 | |
| 1012 case BRgotoifnonnilelsepop: | |
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1013 if (!NILP (TOP_LVALUE = TOP)) |
| 428 | 1014 JUMPR; |
| 1015 else | |
| 1016 { | |
| 1017 DISCARD (1); | |
| 1018 JUMPR_NEXT; | |
| 1019 } | |
| 1020 break; | |
| 1021 | |
| 1022 case Breturn: | |
| 1023 UNGCPRO; | |
| 1024 #ifdef ERROR_CHECK_BYTE_CODE | |
| 1025 /* Binds and unbinds are supposed to be compiled balanced. */ | |
| 1026 if (specpdl_depth() != speccount) | |
| 563 | 1027 invalid_byte_code ("unbalanced specbinding stack", Qunbound); |
| 428 | 1028 #endif |
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1029 return TOP_WITH_MULTIPLE_VALUES; |
| 428 | 1030 |
| 1031 case Bdiscard: | |
| 1032 DISCARD (1); | |
| 1033 break; | |
| 1034 | |
| 1035 case Bdup: | |
| 1036 { | |
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1037 Lisp_Object arg = TOP_WITH_MULTIPLE_VALUES; |
| 428 | 1038 PUSH (arg); |
| 1039 break; | |
| 1040 } | |
| 1041 | |
| 1042 case Bconstant2: | |
| 1043 PUSH (constants_data[READ_UINT_2]); | |
| 1044 break; | |
| 1045 | |
| 1046 case Bcar: | |
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1047 { |
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1048 /* Fcar can GC via wrong_type_argument. */ |
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1049 /* GCPRO_STACK; */ |
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1050 Lisp_Object arg = TOP; |
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1051 TOP_LVALUE = CONSP (arg) ? XCAR (arg) : Fcar (arg); |
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1052 break; |
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1053 } |
| 428 | 1054 |
| 1055 case Bcdr: | |
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1056 { |
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1057 /* Fcdr can GC via wrong_type_argument. */ |
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1058 /* GCPRO_STACK; */ |
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1059 Lisp_Object arg = TOP; |
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1060 TOP_LVALUE = CONSP (arg) ? XCDR (arg) : Fcdr (arg); |
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1061 break; |
|
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Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1062 } |
| 428 | 1063 |
| 1064 case Bunbind_all: | |
| 1065 /* To unbind back to the beginning of this frame. Not used yet, | |
| 1066 but will be needed for tail-recursion elimination. */ | |
| 771 | 1067 unbind_to (speccount); |
| 428 | 1068 break; |
| 1069 | |
| 1070 case Bnth: | |
| 1071 { | |
| 1072 Lisp_Object arg = POP; | |
| 1920 | 1073 /* Fcar and Fnthcdr can GC via wrong_type_argument. */ |
| 1074 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1075 TOP_LVALUE = Fcar (Fnthcdr (TOP, arg)); |
| 428 | 1076 break; |
| 1077 } | |
| 1078 | |
| 1079 case Bsymbolp: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1080 TOP_LVALUE = SYMBOLP (TOP) ? Qt : Qnil; |
| 428 | 1081 break; |
| 1082 | |
| 1083 case Bconsp: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1084 TOP_LVALUE = CONSP (TOP) ? Qt : Qnil; |
| 428 | 1085 break; |
| 1086 | |
| 1087 case Bstringp: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1088 TOP_LVALUE = STRINGP (TOP) ? Qt : Qnil; |
| 428 | 1089 break; |
| 1090 | |
| 1091 case Blistp: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1092 TOP_LVALUE = LISTP (TOP) ? Qt : Qnil; |
| 428 | 1093 break; |
| 1094 | |
| 1095 case Bnumberp: | |
| 1983 | 1096 #ifdef WITH_NUMBER_TYPES |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1097 TOP_LVALUE = NUMBERP (TOP) ? Qt : Qnil; |
| 1983 | 1098 #else |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1099 TOP_LVALUE = INT_OR_FLOATP (TOP) ? Qt : Qnil; |
| 1983 | 1100 #endif |
| 428 | 1101 break; |
| 1102 | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4775
diff
changeset
|
1103 case Bfixnump: |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1104 TOP_LVALUE = INTP (TOP) ? Qt : Qnil; |
| 428 | 1105 break; |
| 1106 | |
| 1107 case Beq: | |
| 1108 { | |
| 1109 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1110 TOP_LVALUE = EQ_WITH_EBOLA_NOTICE (TOP, arg) ? Qt : Qnil; |
| 428 | 1111 break; |
| 1112 } | |
| 1113 | |
| 1114 case Bnot: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1115 TOP_LVALUE = NILP (TOP) ? Qt : Qnil; |
| 428 | 1116 break; |
| 1117 | |
| 1118 case Bcons: | |
| 1119 { | |
| 1120 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1121 TOP_LVALUE = Fcons (TOP, arg); |
| 428 | 1122 break; |
| 1123 } | |
| 1124 | |
| 1125 case Blist1: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1126 TOP_LVALUE = Fcons (TOP, Qnil); |
| 428 | 1127 break; |
| 1128 | |
| 1129 | |
| 1130 case BlistN: | |
| 1131 n = READ_UINT_1; | |
| 1132 goto do_list; | |
| 1133 | |
| 1134 case Blist2: | |
| 1135 case Blist3: | |
| 1136 case Blist4: | |
| 1137 /* common case */ | |
| 1138 n = opcode - (Blist1 - 1); | |
| 1139 do_list: | |
| 1140 { | |
| 1141 Lisp_Object list = Qnil; | |
| 1142 list_loop: | |
| 1143 list = Fcons (TOP, list); | |
| 1144 if (--n) | |
| 1145 { | |
| 1146 DISCARD (1); | |
| 1147 goto list_loop; | |
| 1148 } | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1149 TOP_LVALUE = list; |
| 428 | 1150 break; |
| 1151 } | |
| 1152 | |
| 1153 | |
| 1154 case Bconcat2: | |
| 1155 case Bconcat3: | |
| 1156 case Bconcat4: | |
| 1157 n = opcode - (Bconcat2 - 2); | |
| 1158 goto do_concat; | |
| 1159 | |
| 1160 case BconcatN: | |
| 1161 /* common case */ | |
| 1162 n = READ_UINT_1; | |
| 1163 do_concat: | |
| 1164 DISCARD (n - 1); | |
| 1920 | 1165 /* Apparently `concat' can GC; Fconcat GCPROs its arguments. */ |
| 1166 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1167 TOP_LVALUE = TOP; /* Ignore multiple values. */ |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1168 TOP_LVALUE = Fconcat (n, TOP_ADDRESS); |
| 428 | 1169 break; |
| 1170 | |
| 1171 | |
| 1172 case Blength: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1173 TOP_LVALUE = Flength (TOP); |
| 428 | 1174 break; |
| 1175 | |
| 1176 case Baset: | |
| 1177 { | |
| 1178 Lisp_Object arg2 = POP; | |
| 1179 Lisp_Object arg1 = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1180 TOP_LVALUE = Faset (TOP, arg1, arg2); |
| 428 | 1181 break; |
| 1182 } | |
| 1183 | |
| 1184 case Bsymbol_value: | |
| 1920 | 1185 /* Why does this need GCPRO_STACK? If not, remove others, too. */ |
| 1884 | 1186 /* GCPRO_STACK; */ |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1187 TOP_LVALUE = Fsymbol_value (TOP); |
| 428 | 1188 break; |
| 1189 | |
| 1190 case Bsymbol_function: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1191 TOP_LVALUE = Fsymbol_function (TOP); |
| 428 | 1192 break; |
| 1193 | |
| 1194 case Bget: | |
| 1195 { | |
| 1196 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1197 TOP_LVALUE = Fget (TOP, arg, Qnil); |
| 428 | 1198 break; |
| 1199 } | |
| 1200 | |
| 1201 case Bsub1: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1202 { |
| 1983 | 1203 #ifdef HAVE_BIGNUM |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1204 TOP_LVALUE = Fsub1 (TOP); |
| 1983 | 1205 #else |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1206 Lisp_Object arg = TOP; |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1207 TOP_LVALUE = INTP (arg) ? INT_MINUS1 (arg) : Fsub1 (arg); |
| 1983 | 1208 #endif |
| 428 | 1209 break; |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1210 } |
| 428 | 1211 case Badd1: |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1212 { |
| 1983 | 1213 #ifdef HAVE_BIGNUM |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1214 TOP_LVALUE = Fadd1 (TOP); |
| 1983 | 1215 #else |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1216 Lisp_Object arg = TOP; |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1217 TOP_LVALUE = INTP (arg) ? INT_PLUS1 (arg) : Fadd1 (arg); |
| 1983 | 1218 #endif |
| 428 | 1219 break; |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1220 } |
| 428 | 1221 |
| 1222 case Beqlsign: | |
| 1223 { | |
| 1224 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1225 TOP_LVALUE = bytecode_arithcompare (TOP, arg) == 0 ? Qt : Qnil; |
| 428 | 1226 break; |
| 1227 } | |
| 1228 | |
| 1229 case Bgtr: | |
| 1230 { | |
| 1231 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1232 TOP_LVALUE = bytecode_arithcompare (TOP, arg) > 0 ? Qt : Qnil; |
| 428 | 1233 break; |
| 1234 } | |
| 1235 | |
| 1236 case Blss: | |
| 1237 { | |
| 1238 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1239 TOP_LVALUE = bytecode_arithcompare (TOP, arg) < 0 ? Qt : Qnil; |
| 428 | 1240 break; |
| 1241 } | |
| 1242 | |
| 1243 case Bleq: | |
| 1244 { | |
| 1245 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1246 TOP_LVALUE = bytecode_arithcompare (TOP, arg) <= 0 ? Qt : Qnil; |
| 428 | 1247 break; |
| 1248 } | |
| 1249 | |
| 1250 case Bgeq: | |
| 1251 { | |
| 1252 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1253 TOP_LVALUE = bytecode_arithcompare (TOP, arg) >= 0 ? Qt : Qnil; |
| 428 | 1254 break; |
| 1255 } | |
| 1256 | |
| 1257 | |
| 1258 case Bnegate: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1259 TOP_LVALUE = bytecode_negate (TOP); |
| 428 | 1260 break; |
| 1261 | |
| 1262 case Bnconc: | |
| 1263 DISCARD (1); | |
| 1920 | 1264 /* nconc2 GCPROs before calling this. */ |
| 1265 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1266 TOP_LVALUE = TOP; /* Ignore multiple values. */ |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1267 TOP_LVALUE = bytecode_nconc2 (TOP_ADDRESS); |
| 428 | 1268 break; |
| 1269 | |
| 1270 case Bplus: | |
| 1271 { | |
| 1272 Lisp_Object arg2 = POP; | |
| 1273 Lisp_Object arg1 = TOP; | |
| 1983 | 1274 #ifdef HAVE_BIGNUM |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1275 TOP_LVALUE = bytecode_arithop (arg1, arg2, opcode); |
| 1983 | 1276 #else |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1277 TOP_LVALUE = INTP (arg1) && INTP (arg2) ? |
| 428 | 1278 INT_PLUS (arg1, arg2) : |
| 1279 bytecode_arithop (arg1, arg2, opcode); | |
| 1983 | 1280 #endif |
| 428 | 1281 break; |
| 1282 } | |
| 1283 | |
| 1284 case Bdiff: | |
| 1285 { | |
| 1286 Lisp_Object arg2 = POP; | |
| 1287 Lisp_Object arg1 = TOP; | |
| 1983 | 1288 #ifdef HAVE_BIGNUM |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1289 TOP_LVALUE = bytecode_arithop (arg1, arg2, opcode); |
| 1983 | 1290 #else |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1291 TOP_LVALUE = INTP (arg1) && INTP (arg2) ? |
| 428 | 1292 INT_MINUS (arg1, arg2) : |
| 1293 bytecode_arithop (arg1, arg2, opcode); | |
| 1983 | 1294 #endif |
| 428 | 1295 break; |
| 1296 } | |
| 1297 | |
| 1298 case Bmult: | |
| 1299 case Bquo: | |
| 1300 case Bmax: | |
| 1301 case Bmin: | |
| 1302 { | |
| 1303 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1304 TOP_LVALUE = bytecode_arithop (TOP, arg, opcode); |
| 428 | 1305 break; |
| 1306 } | |
| 1307 | |
| 1308 case Bpoint: | |
| 1309 PUSH (make_int (BUF_PT (current_buffer))); | |
| 1310 break; | |
| 1311 | |
| 1312 case Binsert: | |
| 1920 | 1313 /* Says it can GC. */ |
| 1314 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1315 TOP_LVALUE = TOP; /* Ignore multiple values. */ |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1316 TOP_LVALUE = Finsert (1, TOP_ADDRESS); |
| 428 | 1317 break; |
| 1318 | |
| 1319 case BinsertN: | |
| 1320 n = READ_UINT_1; | |
| 1321 DISCARD (n - 1); | |
| 1920 | 1322 /* See Binsert. */ |
| 1323 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1324 TOP_LVALUE = TOP; /* Ignore multiple values. */ |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1325 TOP_LVALUE = Finsert (n, TOP_ADDRESS); |
| 428 | 1326 break; |
| 1327 | |
| 1328 case Baref: | |
| 1329 { | |
| 1330 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1331 TOP_LVALUE = Faref (TOP, arg); |
| 428 | 1332 break; |
| 1333 } | |
| 1334 | |
| 1335 case Bmemq: | |
| 1336 { | |
| 1337 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1338 TOP_LVALUE = Fmemq (TOP, arg); |
| 428 | 1339 break; |
| 1340 } | |
| 1341 | |
| 1342 case Bset: | |
| 1343 { | |
| 1344 Lisp_Object arg = POP; | |
| 1884 | 1345 /* Fset may call magic handlers */ |
| 1346 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1347 TOP_LVALUE = Fset (TOP, arg); |
| 428 | 1348 break; |
| 1349 } | |
| 1350 | |
| 1351 case Bequal: | |
| 1352 { | |
| 1353 Lisp_Object arg = POP; | |
| 1920 | 1354 /* Can QUIT, so can GC, right? */ |
| 1355 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1356 TOP_LVALUE = Fequal (TOP, arg); |
| 428 | 1357 break; |
| 1358 } | |
| 1359 | |
| 1360 case Bnthcdr: | |
| 1361 { | |
| 1362 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1363 TOP_LVALUE = Fnthcdr (TOP, arg); |
| 428 | 1364 break; |
| 1365 } | |
| 1366 | |
| 1367 case Belt: | |
| 1368 { | |
| 1369 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1370 TOP_LVALUE = Felt (TOP, arg); |
| 428 | 1371 break; |
| 1372 } | |
| 1373 | |
| 1374 case Bmember: | |
| 1375 { | |
| 1376 Lisp_Object arg = POP; | |
| 1920 | 1377 /* Can QUIT, so can GC, right? */ |
| 1378 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1379 TOP_LVALUE = Fmember (TOP, arg); |
| 428 | 1380 break; |
| 1381 } | |
| 1382 | |
| 1383 case Bgoto_char: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1384 TOP_LVALUE = Fgoto_char (TOP, Qnil); |
| 428 | 1385 break; |
| 1386 | |
| 1387 case Bcurrent_buffer: | |
| 1388 { | |
| 793 | 1389 Lisp_Object buffer = wrap_buffer (current_buffer); |
| 1390 | |
| 428 | 1391 PUSH (buffer); |
| 1392 break; | |
| 1393 } | |
| 1394 | |
| 1395 case Bset_buffer: | |
| 1884 | 1396 /* #### WAG: set-buffer may cause Fset's of buffer locals |
| 1397 Didn't prevent crash. :-( */ | |
| 1398 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1399 TOP_LVALUE = Fset_buffer (TOP); |
| 428 | 1400 break; |
| 1401 | |
| 1402 case Bpoint_max: | |
| 1403 PUSH (make_int (BUF_ZV (current_buffer))); | |
| 1404 break; | |
| 1405 | |
| 1406 case Bpoint_min: | |
| 1407 PUSH (make_int (BUF_BEGV (current_buffer))); | |
| 1408 break; | |
| 1409 | |
| 1410 case Bskip_chars_forward: | |
| 1411 { | |
| 1412 Lisp_Object arg = POP; | |
| 1920 | 1413 /* Can QUIT, so can GC, right? */ |
| 1414 /* GCPRO_STACK; */ | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
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parents:
3263
diff
changeset
|
1415 TOP_LVALUE = Fskip_chars_forward (TOP, arg, Qnil); |
| 428 | 1416 break; |
| 1417 } | |
| 1418 | |
| 1419 case Bassq: | |
| 1420 { | |
| 1421 Lisp_Object arg = POP; | |
|
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diff
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|
1422 TOP_LVALUE = Fassq (TOP, arg); |
| 428 | 1423 break; |
| 1424 } | |
| 1425 | |
| 1426 case Bsetcar: | |
| 1427 { | |
| 1428 Lisp_Object arg = POP; | |
|
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Support full Common Lisp multiple values in C.
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parents:
3263
diff
changeset
|
1429 TOP_LVALUE = Fsetcar (TOP, arg); |
| 428 | 1430 break; |
| 1431 } | |
| 1432 | |
| 1433 case Bsetcdr: | |
| 1434 { | |
| 1435 Lisp_Object arg = POP; | |
|
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Support full Common Lisp multiple values in C.
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parents:
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diff
changeset
|
1436 TOP_LVALUE = Fsetcdr (TOP, arg); |
| 428 | 1437 break; |
| 1438 } | |
| 1439 | |
| 1440 case Bnreverse: | |
|
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8f1ee2d15784
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parents:
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diff
changeset
|
1441 TOP_LVALUE = bytecode_nreverse (TOP); |
| 428 | 1442 break; |
| 1443 | |
| 1444 case Bcar_safe: | |
|
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Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1445 TOP_LVALUE = CONSP (TOP) ? XCAR (TOP) : Qnil; |
| 428 | 1446 break; |
| 1447 | |
| 1448 case Bcdr_safe: | |
|
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Support full Common Lisp multiple values in C.
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diff
changeset
|
1449 TOP_LVALUE = CONSP (TOP) ? XCDR (TOP) : Qnil; |
| 428 | 1450 break; |
| 1451 | |
| 1452 } | |
| 1453 } | |
| 1454 } | |
| 1455 | |
| 1456 /* It makes a worthwhile performance difference (5%) to shunt | |
| 1457 lesser-used opcodes off to a subroutine, to keep the switch in | |
| 1458 execute_optimized_program small. If you REALLY care about | |
| 1459 performance, you want to keep your heavily executed code away from | |
| 1460 rarely executed code, to minimize cache misses. | |
| 1461 | |
| 1462 Don't make this function static, since then the compiler might inline it. */ | |
| 1463 Lisp_Object * | |
| 1464 execute_rare_opcode (Lisp_Object *stack_ptr, | |
|
4921
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add more byte-code assertions and better failure output
Ben Wing <ben@xemacs.org>
parents:
4914
diff
changeset
|
1465 #ifdef ERROR_CHECK_BYTE_CODE |
|
17362f371cc2
add more byte-code assertions and better failure output
Ben Wing <ben@xemacs.org>
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4914
diff
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|
1466 Lisp_Object *stack_beg, |
|
17362f371cc2
add more byte-code assertions and better failure output
Ben Wing <ben@xemacs.org>
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4914
diff
changeset
|
1467 Lisp_Object *stack_end, |
|
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add more byte-code assertions and better failure output
Ben Wing <ben@xemacs.org>
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diff
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|
1468 #endif /* ERROR_CHECK_BYTE_CODE */ |
| 2286 | 1469 const Opbyte *UNUSED (program_ptr), |
| 428 | 1470 Opcode opcode) |
| 1471 { | |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1472 REGISTER int n; |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
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|
1473 |
| 428 | 1474 switch (opcode) |
| 1475 { | |
|
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Ben Wing <ben@xemacs.org>
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|
1476 |
| 428 | 1477 case Bsave_excursion: |
| 1478 record_unwind_protect (save_excursion_restore, | |
| 1479 save_excursion_save ()); | |
| 1480 break; | |
| 1481 | |
|
4775
1d61580e0cf7
Remove Fsave_window_excursion from window.c, it's overridden by Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4717
diff
changeset
|
1482 /* This bytecode will eventually go away, once we no longer encounter |
|
1d61580e0cf7
Remove Fsave_window_excursion from window.c, it's overridden by Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4717
diff
changeset
|
1483 byte code from 21.4. In 21.5.10 and newer, save-window-excursion is |
|
1d61580e0cf7
Remove Fsave_window_excursion from window.c, it's overridden by Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4717
diff
changeset
|
1484 a macro. */ |
| 428 | 1485 case Bsave_window_excursion: |
| 1486 { | |
| 1487 int count = specpdl_depth (); | |
|
4775
1d61580e0cf7
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Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1488 record_unwind_protect (Feval, |
|
1d61580e0cf7
Remove Fsave_window_excursion from window.c, it's overridden by Lisp.
Aidan Kehoe <kehoea@parhasard.net>
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4717
diff
changeset
|
1489 list2 (Qset_window_configuration, |
|
1d61580e0cf7
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4717
diff
changeset
|
1490 call0 (Qcurrent_window_configuration))); |
|
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1491 TOP_LVALUE = Fprogn (TOP); |
| 771 | 1492 unbind_to (count); |
| 428 | 1493 break; |
| 1494 } | |
| 1495 | |
| 1496 case Bsave_restriction: | |
| 1497 record_unwind_protect (save_restriction_restore, | |
| 844 | 1498 save_restriction_save (current_buffer)); |
| 428 | 1499 break; |
| 1500 | |
| 1501 case Bcatch: | |
| 1502 { | |
| 1503 Lisp_Object arg = POP; | |
|
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Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
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|
1504 TOP_LVALUE = internal_catch (TOP, Feval, arg, 0, 0, 0); |
| 428 | 1505 break; |
| 1506 } | |
| 1507 | |
| 1508 case Bskip_chars_backward: | |
| 1509 { | |
| 1510 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1511 TOP_LVALUE = Fskip_chars_backward (TOP, arg, Qnil); |
| 428 | 1512 break; |
| 1513 } | |
| 1514 | |
| 1515 case Bunwind_protect: | |
| 1516 record_unwind_protect (Fprogn, POP); | |
| 1517 break; | |
| 1518 | |
| 1519 case Bcondition_case: | |
| 1520 { | |
| 1521 Lisp_Object arg2 = POP; /* handlers */ | |
| 1522 Lisp_Object arg1 = POP; /* bodyform */ | |
|
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8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1523 TOP_LVALUE = condition_case_3 (arg1, TOP, arg2); |
| 428 | 1524 break; |
| 1525 } | |
| 1526 | |
| 1527 case Bset_marker: | |
| 1528 { | |
| 1529 Lisp_Object arg2 = POP; | |
| 1530 Lisp_Object arg1 = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1531 TOP_LVALUE = Fset_marker (TOP, arg1, arg2); |
| 428 | 1532 break; |
| 1533 } | |
| 1534 | |
| 1535 case Brem: | |
| 1536 { | |
| 1537 Lisp_Object arg = POP; | |
|
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8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1538 TOP_LVALUE = Frem (TOP, arg); |
| 428 | 1539 break; |
| 1540 } | |
| 1541 | |
| 1542 case Bmatch_beginning: | |
|
4677
8f1ee2d15784
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1543 TOP_LVALUE = Fmatch_beginning (TOP); |
| 428 | 1544 break; |
| 1545 | |
| 1546 case Bmatch_end: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1547 TOP_LVALUE = Fmatch_end (TOP); |
| 428 | 1548 break; |
| 1549 | |
| 1550 case Bupcase: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1551 TOP_LVALUE = Fupcase (TOP, Qnil); |
| 428 | 1552 break; |
| 1553 | |
| 1554 case Bdowncase: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1555 TOP_LVALUE = Fdowncase (TOP, Qnil); |
| 428 | 1556 break; |
| 1557 | |
| 1558 case Bfset: | |
| 1559 { | |
| 1560 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1561 TOP_LVALUE = Ffset (TOP, arg); |
| 428 | 1562 break; |
| 1563 } | |
| 1564 | |
| 1565 case Bstring_equal: | |
| 1566 { | |
| 1567 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1568 TOP_LVALUE = Fstring_equal (TOP, arg); |
| 428 | 1569 break; |
| 1570 } | |
| 1571 | |
| 1572 case Bstring_lessp: | |
| 1573 { | |
| 1574 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1575 TOP_LVALUE = Fstring_lessp (TOP, arg); |
| 428 | 1576 break; |
| 1577 } | |
| 1578 | |
|
5089
99f8ebc082d9
Make #'substring an alias of #'subseq; give the latter the byte code.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4974
diff
changeset
|
1579 case Bsubseq: |
| 428 | 1580 { |
| 1581 Lisp_Object arg2 = POP; | |
| 1582 Lisp_Object arg1 = POP; | |
|
5089
99f8ebc082d9
Make #'substring an alias of #'subseq; give the latter the byte code.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4974
diff
changeset
|
1583 TOP_LVALUE = Fsubseq (TOP, arg1, arg2); |
| 428 | 1584 break; |
| 1585 } | |
| 1586 | |
| 1587 case Bcurrent_column: | |
| 1588 PUSH (make_int (current_column (current_buffer))); | |
| 1589 break; | |
| 1590 | |
| 1591 case Bchar_after: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1592 TOP_LVALUE = Fchar_after (TOP, Qnil); |
| 428 | 1593 break; |
| 1594 | |
| 1595 case Bindent_to: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1596 TOP_LVALUE = Findent_to (TOP, Qnil, Qnil); |
| 428 | 1597 break; |
| 1598 | |
| 1599 case Bwiden: | |
| 1600 PUSH (Fwiden (Qnil)); | |
| 1601 break; | |
| 1602 | |
| 1603 case Bfollowing_char: | |
| 1604 PUSH (Ffollowing_char (Qnil)); | |
| 1605 break; | |
| 1606 | |
| 1607 case Bpreceding_char: | |
| 1608 PUSH (Fpreceding_char (Qnil)); | |
| 1609 break; | |
| 1610 | |
| 1611 case Beolp: | |
| 1612 PUSH (Feolp (Qnil)); | |
| 1613 break; | |
| 1614 | |
| 1615 case Beobp: | |
| 1616 PUSH (Feobp (Qnil)); | |
| 1617 break; | |
| 1618 | |
| 1619 case Bbolp: | |
| 1620 PUSH (Fbolp (Qnil)); | |
| 1621 break; | |
| 1622 | |
| 1623 case Bbobp: | |
| 1624 PUSH (Fbobp (Qnil)); | |
| 1625 break; | |
| 1626 | |
| 1627 case Bsave_current_buffer: | |
| 1628 record_unwind_protect (save_current_buffer_restore, | |
| 1629 Fcurrent_buffer ()); | |
| 1630 break; | |
| 1631 | |
| 1632 case Binteractive_p: | |
| 1633 PUSH (Finteractive_p ()); | |
| 1634 break; | |
| 1635 | |
| 1636 case Bforward_char: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1637 TOP_LVALUE = Fforward_char (TOP, Qnil); |
| 428 | 1638 break; |
| 1639 | |
| 1640 case Bforward_word: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1641 TOP_LVALUE = Fforward_word (TOP, Qnil); |
| 428 | 1642 break; |
| 1643 | |
| 1644 case Bforward_line: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1645 TOP_LVALUE = Fforward_line (TOP, Qnil); |
| 428 | 1646 break; |
| 1647 | |
| 1648 case Bchar_syntax: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1649 TOP_LVALUE = Fchar_syntax (TOP, Qnil); |
| 428 | 1650 break; |
| 1651 | |
| 1652 case Bbuffer_substring: | |
| 1653 { | |
| 1654 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1655 TOP_LVALUE = Fbuffer_substring (TOP, arg, Qnil); |
| 428 | 1656 break; |
| 1657 } | |
| 1658 | |
| 1659 case Bdelete_region: | |
| 1660 { | |
| 1661 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1662 TOP_LVALUE = Fdelete_region (TOP, arg, Qnil); |
| 428 | 1663 break; |
| 1664 } | |
| 1665 | |
| 1666 case Bnarrow_to_region: | |
| 1667 { | |
| 1668 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1669 TOP_LVALUE = Fnarrow_to_region (TOP, arg, Qnil); |
| 428 | 1670 break; |
| 1671 } | |
| 1672 | |
| 1673 case Bend_of_line: | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1674 TOP_LVALUE = Fend_of_line (TOP, Qnil); |
| 428 | 1675 break; |
| 1676 | |
| 1677 case Btemp_output_buffer_setup: | |
| 1678 temp_output_buffer_setup (TOP); | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1679 TOP_LVALUE = Vstandard_output; |
| 428 | 1680 break; |
| 1681 | |
| 1682 case Btemp_output_buffer_show: | |
| 1683 { | |
| 1684 Lisp_Object arg = POP; | |
| 1685 temp_output_buffer_show (TOP, Qnil); | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1686 TOP_LVALUE = arg; |
| 428 | 1687 /* GAG ME!! */ |
| 1688 /* pop binding of standard-output */ | |
| 771 | 1689 unbind_to (specpdl_depth() - 1); |
| 428 | 1690 break; |
| 1691 } | |
| 1692 | |
|
5374
d967d96ca043
Conditionalise the old-* functions and byte codes at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5370
diff
changeset
|
1693 #ifdef SUPPORT_CONFOUNDING_FUNCTIONS |
|
d967d96ca043
Conditionalise the old-* functions and byte codes at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5370
diff
changeset
|
1694 |
| 428 | 1695 case Bold_eq: |
| 1696 { | |
| 1697 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1698 TOP_LVALUE = HACKEQ_UNSAFE (TOP, arg) ? Qt : Qnil; |
| 428 | 1699 break; |
| 1700 } | |
| 1701 | |
| 1702 case Bold_memq: | |
| 1703 { | |
| 1704 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1705 TOP_LVALUE = Fold_memq (TOP, arg); |
| 428 | 1706 break; |
| 1707 } | |
| 1708 | |
| 1709 case Bold_equal: | |
| 1710 { | |
| 1711 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1712 TOP_LVALUE = Fold_equal (TOP, arg); |
| 428 | 1713 break; |
| 1714 } | |
| 1715 | |
| 1716 case Bold_member: | |
| 1717 { | |
| 1718 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1719 TOP_LVALUE = Fold_member (TOP, arg); |
| 428 | 1720 break; |
| 1721 } | |
| 1722 | |
| 1723 case Bold_assq: | |
| 1724 { | |
| 1725 Lisp_Object arg = POP; | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1726 TOP_LVALUE = Fold_assq (TOP, arg); |
| 428 | 1727 break; |
| 1728 } | |
| 1729 | |
|
5374
d967d96ca043
Conditionalise the old-* functions and byte codes at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5370
diff
changeset
|
1730 #endif |
|
d967d96ca043
Conditionalise the old-* functions and byte codes at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5370
diff
changeset
|
1731 |
|
4677
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Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1732 case Bbind_multiple_value_limits: |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1733 { |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1734 Lisp_Object upper = POP, first = TOP, speccount; |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1735 |
|
5307
c096d8051f89
Have NATNUMP give t for positive bignums; check limits appropriately.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5300
diff
changeset
|
1736 check_integer_range (upper, Qzero, |
|
c096d8051f89
Have NATNUMP give t for positive bignums; check limits appropriately.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5300
diff
changeset
|
1737 make_integer (Vmultiple_values_limit)); |
|
c096d8051f89
Have NATNUMP give t for positive bignums; check limits appropriately.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5300
diff
changeset
|
1738 check_integer_range (first, Qzero, upper); |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1739 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1740 speccount = make_int (bind_multiple_value_limits (XINT (first), |
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1741 XINT (upper))); |
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1742 PUSH (upper); |
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1743 PUSH (speccount); |
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1744 break; |
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1745 } |
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1746 |
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1747 case Bmultiple_value_call: |
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1748 { |
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1749 n = XINT (POP); |
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1750 DISCARD_PRESERVING_MULTIPLE_VALUES_UNSAFE (n - 1); |
|
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1751 /* Discard multiple values for the first (function) argument: */ |
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1752 TOP_LVALUE = TOP; |
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1753 TOP_LVALUE = multiple_value_call (n, TOP_ADDRESS); |
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1754 break; |
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1755 } |
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1756 |
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1757 case Bmultiple_value_list_internal: |
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1758 { |
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1759 DISCARD_PRESERVING_MULTIPLE_VALUES_UNSAFE (3); |
|
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1760 TOP_LVALUE = multiple_value_list_internal (4, TOP_ADDRESS); |
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1761 break; |
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1762 } |
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1763 |
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1764 case Bthrow: |
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1765 { |
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1766 Lisp_Object arg = POP_WITH_MULTIPLE_VALUES; |
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1767 |
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1768 /* We never throw to a catch tag that is a multiple value: */ |
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1769 throw_or_bomb_out (TOP, arg, 0, Qnil, Qnil); |
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1770 break; |
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1771 } |
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1772 |
| 428 | 1773 default: |
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1774 { |
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1775 Ascbyte msg[100]; |
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1776 sprintf (msg, "Unknown opcode %d", opcode); |
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1777 bytecode_abort_with_message (msg); |
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1778 } |
| 428 | 1779 break; |
| 1780 } | |
| 1781 return stack_ptr; | |
| 1782 } | |
| 1783 | |
| 1784 | |
| 563 | 1785 DOESNT_RETURN |
|
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1786 invalid_byte_code (const Ascbyte *reason, Lisp_Object frob) |
| 428 | 1787 { |
| 563 | 1788 signal_error (Qinvalid_byte_code, reason, frob); |
| 428 | 1789 } |
| 1790 | |
| 1791 /* Check for valid opcodes. Change this when adding new opcodes. */ | |
| 1792 static void | |
| 1793 check_opcode (Opcode opcode) | |
| 1794 { | |
| 1795 if ((opcode < Bvarref) || | |
| 1796 (opcode == 0251) || | |
| 1797 (opcode > Bassq && opcode < Bconstant)) | |
| 563 | 1798 invalid_byte_code ("invalid opcode in instruction stream", |
| 1799 make_int (opcode)); | |
| 428 | 1800 } |
| 1801 | |
| 1802 /* Check that IDX is a valid offset into the `constants' vector */ | |
| 1803 static void | |
| 1804 check_constants_index (int idx, Lisp_Object constants) | |
| 1805 { | |
| 1806 if (idx < 0 || idx >= XVECTOR_LENGTH (constants)) | |
| 563 | 1807 signal_ferror |
| 1808 (Qinvalid_byte_code, | |
| 1809 "reference %d to constants array out of range 0, %ld", | |
| 428 | 1810 idx, XVECTOR_LENGTH (constants) - 1); |
| 1811 } | |
| 1812 | |
| 1813 /* Get next character from Lisp instructions string. */ | |
| 563 | 1814 #define READ_INSTRUCTION_CHAR(lvalue) do { \ |
| 867 | 1815 (lvalue) = itext_ichar (ptr); \ |
| 1816 INC_IBYTEPTR (ptr); \ | |
| 563 | 1817 *icounts_ptr++ = program_ptr - program; \ |
| 1818 if (lvalue > UCHAR_MAX) \ | |
| 1819 invalid_byte_code \ | |
| 1820 ("Invalid character in byte code string", make_char (lvalue)); \ | |
| 428 | 1821 } while (0) |
| 1822 | |
| 1823 /* Get opcode from Lisp instructions string. */ | |
| 1824 #define READ_OPCODE do { \ | |
| 1825 unsigned int c; \ | |
| 1826 READ_INSTRUCTION_CHAR (c); \ | |
| 1827 opcode = (Opcode) c; \ | |
| 1828 } while (0) | |
| 1829 | |
| 1830 /* Get next operand, a uint8, from Lisp instructions string. */ | |
| 1831 #define READ_OPERAND_1 do { \ | |
| 1832 READ_INSTRUCTION_CHAR (arg); \ | |
| 1833 argsize = 1; \ | |
| 1834 } while (0) | |
| 1835 | |
| 1836 /* Get next operand, a uint16, from Lisp instructions string. */ | |
| 1837 #define READ_OPERAND_2 do { \ | |
| 1838 unsigned int arg1, arg2; \ | |
| 1839 READ_INSTRUCTION_CHAR (arg1); \ | |
| 1840 READ_INSTRUCTION_CHAR (arg2); \ | |
| 1841 arg = arg1 + (arg2 << 8); \ | |
| 1842 argsize = 2; \ | |
| 1843 } while (0) | |
| 1844 | |
| 1845 /* Write 1 byte to PTR, incrementing PTR */ | |
| 1846 #define WRITE_INT8(value, ptr) do { \ | |
| 1847 *((ptr)++) = (value); \ | |
| 1848 } while (0) | |
| 1849 | |
| 1850 /* Write 2 bytes to PTR, incrementing PTR */ | |
| 1851 #define WRITE_INT16(value, ptr) do { \ | |
| 1852 WRITE_INT8 (((unsigned) (value)) & 0x00ff, (ptr)); \ | |
| 1853 WRITE_INT8 (((unsigned) (value)) >> 8 , (ptr)); \ | |
| 1854 } while (0) | |
| 1855 | |
| 1856 /* We've changed our minds about the opcode we've already written. */ | |
| 1857 #define REWRITE_OPCODE(new_opcode) ((void) (program_ptr[-1] = new_opcode)) | |
| 1858 | |
| 1859 /* Encode an op arg within the opcode, or as a 1 or 2-byte operand. */ | |
| 1860 #define WRITE_NARGS(base_opcode) do { \ | |
| 1861 if (arg <= 5) \ | |
| 1862 { \ | |
| 1863 REWRITE_OPCODE (base_opcode + arg); \ | |
| 1864 } \ | |
| 1865 else if (arg <= UCHAR_MAX) \ | |
| 1866 { \ | |
| 1867 REWRITE_OPCODE (base_opcode + 6); \ | |
| 1868 WRITE_INT8 (arg, program_ptr); \ | |
| 1869 } \ | |
| 1870 else \ | |
| 1871 { \ | |
| 1872 REWRITE_OPCODE (base_opcode + 7); \ | |
| 1873 WRITE_INT16 (arg, program_ptr); \ | |
| 1874 } \ | |
| 1875 } while (0) | |
| 1876 | |
| 1877 /* Encode a constants reference within the opcode, or as a 2-byte operand. */ | |
| 1878 #define WRITE_CONSTANT do { \ | |
| 1879 check_constants_index(arg, constants); \ | |
| 1880 if (arg <= UCHAR_MAX - Bconstant) \ | |
| 1881 { \ | |
| 1882 REWRITE_OPCODE (Bconstant + arg); \ | |
| 1883 } \ | |
| 1884 else \ | |
| 1885 { \ | |
| 1886 REWRITE_OPCODE (Bconstant2); \ | |
| 1887 WRITE_INT16 (arg, program_ptr); \ | |
| 1888 } \ | |
| 1889 } while (0) | |
| 1890 | |
| 1891 #define WRITE_OPCODE WRITE_INT8 (opcode, program_ptr) | |
| 1892 | |
| 1893 /* Compile byte code instructions into free space provided by caller, with | |
| 1894 size >= (2 * string_char_length (instructions) + 1) * sizeof (Opbyte). | |
| 1895 Returns length of compiled code. */ | |
| 1896 static void | |
| 1897 optimize_byte_code (/* in */ | |
| 1898 Lisp_Object instructions, | |
| 1899 Lisp_Object constants, | |
| 1900 /* out */ | |
| 442 | 1901 Opbyte * const program, |
|
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1902 Elemcount * const program_length, |
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1903 Elemcount * const varbind_count) |
| 428 | 1904 { |
| 647 | 1905 Bytecount instructions_length = XSTRING_LENGTH (instructions); |
| 665 | 1906 Elemcount comfy_size = (Elemcount) (2 * instructions_length); |
| 428 | 1907 |
| 442 | 1908 int * const icounts = alloca_array (int, comfy_size); |
| 428 | 1909 int * icounts_ptr = icounts; |
| 1910 | |
| 1911 /* We maintain a table of jumps in the source code. */ | |
| 1912 struct jump | |
| 1913 { | |
| 1914 int from; | |
| 1915 int to; | |
| 1916 }; | |
| 442 | 1917 struct jump * const jumps = alloca_array (struct jump, comfy_size); |
| 428 | 1918 struct jump *jumps_ptr = jumps; |
| 1919 | |
| 1920 Opbyte *program_ptr = program; | |
| 1921 | |
| 867 | 1922 const Ibyte *ptr = XSTRING_DATA (instructions); |
| 1923 const Ibyte * const end = ptr + instructions_length; | |
| 428 | 1924 |
| 1925 *varbind_count = 0; | |
| 1926 | |
| 1927 while (ptr < end) | |
| 1928 { | |
| 1929 Opcode opcode; | |
| 1930 int arg; | |
| 1931 int argsize = 0; | |
| 1932 READ_OPCODE; | |
| 1933 WRITE_OPCODE; | |
| 1934 | |
| 1935 switch (opcode) | |
| 1936 { | |
| 1937 Lisp_Object val; | |
| 1938 | |
| 1939 case Bvarref+7: READ_OPERAND_2; goto do_varref; | |
| 1940 case Bvarref+6: READ_OPERAND_1; goto do_varref; | |
| 1941 case Bvarref: case Bvarref+1: case Bvarref+2: | |
| 1942 case Bvarref+3: case Bvarref+4: case Bvarref+5: | |
| 1943 arg = opcode - Bvarref; | |
| 1944 do_varref: | |
| 1945 check_constants_index (arg, constants); | |
| 1946 val = XVECTOR_DATA (constants) [arg]; | |
| 1947 if (!SYMBOLP (val)) | |
| 563 | 1948 invalid_byte_code ("variable reference to non-symbol", val); |
| 428 | 1949 if (EQ (val, Qnil) || EQ (val, Qt) || (SYMBOL_IS_KEYWORD (val))) |
| 563 | 1950 invalid_byte_code ("variable reference to constant symbol", val); |
| 428 | 1951 WRITE_NARGS (Bvarref); |
| 1952 break; | |
| 1953 | |
| 1954 case Bvarset+7: READ_OPERAND_2; goto do_varset; | |
| 1955 case Bvarset+6: READ_OPERAND_1; goto do_varset; | |
| 1956 case Bvarset: case Bvarset+1: case Bvarset+2: | |
| 1957 case Bvarset+3: case Bvarset+4: case Bvarset+5: | |
| 1958 arg = opcode - Bvarset; | |
| 1959 do_varset: | |
| 1960 check_constants_index (arg, constants); | |
| 1961 val = XVECTOR_DATA (constants) [arg]; | |
| 1962 if (!SYMBOLP (val)) | |
| 563 | 1963 wtaerror ("attempt to set non-symbol", val); |
| 428 | 1964 if (EQ (val, Qnil) || EQ (val, Qt)) |
| 563 | 1965 signal_error (Qsetting_constant, 0, val); |
|
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1966 #ifdef NEED_TO_HANDLE_21_4_CODE |
| 428 | 1967 /* Ignore assignments to keywords by converting to Bdiscard. |
|
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1968 For backward compatibility only - we'd like to make this an |
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|
1969 error. */ |
| 428 | 1970 if (SYMBOL_IS_KEYWORD (val)) |
| 1971 REWRITE_OPCODE (Bdiscard); | |
| 1972 else | |
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1973 #endif |
| 428 | 1974 WRITE_NARGS (Bvarset); |
| 1975 break; | |
| 1976 | |
| 1977 case Bvarbind+7: READ_OPERAND_2; goto do_varbind; | |
| 1978 case Bvarbind+6: READ_OPERAND_1; goto do_varbind; | |
| 1979 case Bvarbind: case Bvarbind+1: case Bvarbind+2: | |
| 1980 case Bvarbind+3: case Bvarbind+4: case Bvarbind+5: | |
| 1981 arg = opcode - Bvarbind; | |
| 1982 do_varbind: | |
| 1983 (*varbind_count)++; | |
| 1984 check_constants_index (arg, constants); | |
| 1985 val = XVECTOR_DATA (constants) [arg]; | |
| 1986 if (!SYMBOLP (val)) | |
| 563 | 1987 wtaerror ("attempt to let-bind non-symbol", val); |
| 428 | 1988 if (EQ (val, Qnil) || EQ (val, Qt) || (SYMBOL_IS_KEYWORD (val))) |
| 563 | 1989 signal_error (Qsetting_constant, |
| 1990 "attempt to let-bind constant symbol", val); | |
| 428 | 1991 WRITE_NARGS (Bvarbind); |
| 1992 break; | |
| 1993 | |
| 1994 case Bcall+7: READ_OPERAND_2; goto do_call; | |
| 1995 case Bcall+6: READ_OPERAND_1; goto do_call; | |
| 1996 case Bcall: case Bcall+1: case Bcall+2: | |
| 1997 case Bcall+3: case Bcall+4: case Bcall+5: | |
| 1998 arg = opcode - Bcall; | |
| 1999 do_call: | |
| 2000 WRITE_NARGS (Bcall); | |
| 2001 break; | |
| 2002 | |
| 2003 case Bunbind+7: READ_OPERAND_2; goto do_unbind; | |
| 2004 case Bunbind+6: READ_OPERAND_1; goto do_unbind; | |
| 2005 case Bunbind: case Bunbind+1: case Bunbind+2: | |
| 2006 case Bunbind+3: case Bunbind+4: case Bunbind+5: | |
| 2007 arg = opcode - Bunbind; | |
| 2008 do_unbind: | |
| 2009 WRITE_NARGS (Bunbind); | |
| 2010 break; | |
| 2011 | |
| 2012 case Bgoto: | |
| 2013 case Bgotoifnil: | |
| 2014 case Bgotoifnonnil: | |
| 2015 case Bgotoifnilelsepop: | |
| 2016 case Bgotoifnonnilelsepop: | |
| 2017 READ_OPERAND_2; | |
| 2018 /* Make program_ptr-relative */ | |
| 2019 arg += icounts - (icounts_ptr - argsize); | |
| 2020 goto do_jump; | |
| 2021 | |
| 2022 case BRgoto: | |
| 2023 case BRgotoifnil: | |
| 2024 case BRgotoifnonnil: | |
| 2025 case BRgotoifnilelsepop: | |
| 2026 case BRgotoifnonnilelsepop: | |
| 2027 READ_OPERAND_1; | |
| 2028 /* Make program_ptr-relative */ | |
| 2029 arg -= 127; | |
| 2030 do_jump: | |
| 2031 /* Record program-relative goto addresses in `jumps' table */ | |
| 2032 jumps_ptr->from = icounts_ptr - icounts - argsize; | |
| 2033 jumps_ptr->to = jumps_ptr->from + arg; | |
| 2034 jumps_ptr++; | |
| 2035 if (arg >= -1 && arg <= argsize) | |
| 563 | 2036 invalid_byte_code ("goto instruction is its own target", Qunbound); |
| 428 | 2037 if (arg <= SCHAR_MIN || |
| 2038 arg > SCHAR_MAX) | |
| 2039 { | |
| 2040 if (argsize == 1) | |
| 2041 REWRITE_OPCODE (opcode + Bgoto - BRgoto); | |
| 2042 WRITE_INT16 (arg, program_ptr); | |
| 2043 } | |
| 2044 else | |
| 2045 { | |
| 2046 if (argsize == 2) | |
| 2047 REWRITE_OPCODE (opcode + BRgoto - Bgoto); | |
| 2048 WRITE_INT8 (arg, program_ptr); | |
| 2049 } | |
| 2050 break; | |
| 2051 | |
| 2052 case Bconstant2: | |
| 2053 READ_OPERAND_2; | |
| 2054 WRITE_CONSTANT; | |
| 2055 break; | |
| 2056 | |
| 2057 case BlistN: | |
| 2058 case BconcatN: | |
| 2059 case BinsertN: | |
| 2060 READ_OPERAND_1; | |
| 2061 WRITE_INT8 (arg, program_ptr); | |
| 2062 break; | |
| 2063 | |
| 2064 default: | |
| 2065 if (opcode < Bconstant) | |
| 2066 check_opcode (opcode); | |
| 2067 else | |
| 2068 { | |
| 2069 arg = opcode - Bconstant; | |
| 2070 WRITE_CONSTANT; | |
| 2071 } | |
| 2072 break; | |
| 2073 } | |
| 2074 } | |
| 2075 | |
| 2076 /* Fix up jumps table to refer to NEW offsets. */ | |
| 2077 { | |
| 2078 struct jump *j; | |
| 2079 for (j = jumps; j < jumps_ptr; j++) | |
| 2080 { | |
| 2081 #ifdef ERROR_CHECK_BYTE_CODE | |
| 2082 assert (j->from < icounts_ptr - icounts); | |
| 2083 assert (j->to < icounts_ptr - icounts); | |
| 2084 #endif | |
| 2085 j->from = icounts[j->from]; | |
| 2086 j->to = icounts[j->to]; | |
| 2087 #ifdef ERROR_CHECK_BYTE_CODE | |
| 2088 assert (j->from < program_ptr - program); | |
| 2089 assert (j->to < program_ptr - program); | |
| 2090 check_opcode ((Opcode) (program[j->from-1])); | |
| 2091 #endif | |
| 2092 check_opcode ((Opcode) (program[j->to])); | |
| 2093 } | |
| 2094 } | |
| 2095 | |
| 2096 /* Fixup jumps in byte-code until no more fixups needed */ | |
| 2097 { | |
| 2098 int more_fixups_needed = 1; | |
| 2099 | |
| 2100 while (more_fixups_needed) | |
| 2101 { | |
| 2102 struct jump *j; | |
| 2103 more_fixups_needed = 0; | |
| 2104 for (j = jumps; j < jumps_ptr; j++) | |
| 2105 { | |
| 2106 int from = j->from; | |
| 2107 int to = j->to; | |
| 2108 int jump = to - from; | |
| 2109 Opbyte *p = program + from; | |
| 2110 Opcode opcode = (Opcode) p[-1]; | |
| 2111 if (!more_fixups_needed) | |
| 2112 check_opcode ((Opcode) p[jump]); | |
| 2113 assert (to >= 0 && program + to < program_ptr); | |
| 2114 switch (opcode) | |
| 2115 { | |
| 2116 case Bgoto: | |
| 2117 case Bgotoifnil: | |
| 2118 case Bgotoifnonnil: | |
| 2119 case Bgotoifnilelsepop: | |
| 2120 case Bgotoifnonnilelsepop: | |
| 2121 WRITE_INT16 (jump, p); | |
| 2122 break; | |
| 2123 | |
| 2124 case BRgoto: | |
| 2125 case BRgotoifnil: | |
| 2126 case BRgotoifnonnil: | |
| 2127 case BRgotoifnilelsepop: | |
| 2128 case BRgotoifnonnilelsepop: | |
| 2129 if (jump > SCHAR_MIN && | |
| 2130 jump <= SCHAR_MAX) | |
| 2131 { | |
| 2132 WRITE_INT8 (jump, p); | |
| 2133 } | |
| 2134 else /* barf */ | |
| 2135 { | |
| 2136 struct jump *jj; | |
| 2137 for (jj = jumps; jj < jumps_ptr; jj++) | |
| 2138 { | |
| 2139 assert (jj->from < program_ptr - program); | |
| 2140 assert (jj->to < program_ptr - program); | |
| 2141 if (jj->from > from) jj->from++; | |
| 2142 if (jj->to > from) jj->to++; | |
| 2143 } | |
| 2144 p[-1] += Bgoto - BRgoto; | |
| 2145 more_fixups_needed = 1; | |
| 2146 memmove (p+1, p, program_ptr++ - p); | |
| 2147 WRITE_INT16 (jump, p); | |
| 2148 } | |
| 2149 break; | |
| 2150 | |
| 2151 default: | |
| 2500 | 2152 ABORT(); |
| 428 | 2153 break; |
| 2154 } | |
| 2155 } | |
| 2156 } | |
| 2157 } | |
| 2158 | |
| 2159 /* *program_ptr++ = 0; */ | |
| 2160 *program_length = program_ptr - program; | |
| 2161 } | |
| 2162 | |
| 2163 /* Optimize the byte code and store the optimized program, only | |
| 2164 understood by bytecode.c, in an opaque object in the | |
| 2165 instructions slot of the Compiled_Function object. */ | |
| 2166 void | |
| 2167 optimize_compiled_function (Lisp_Object compiled_function) | |
| 2168 { | |
| 2169 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (compiled_function); | |
|
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2170 Elemcount program_length; |
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2171 Elemcount varbind_count; |
| 428 | 2172 Opbyte *program; |
| 2173 | |
| 1737 | 2174 { |
| 2175 int minargs = 0, maxargs = 0, totalargs = 0; | |
| 2176 int optional_p = 0, rest_p = 0, i = 0; | |
| 2177 { | |
| 2178 LIST_LOOP_2 (arg, f->arglist) | |
| 2179 { | |
| 2180 if (EQ (arg, Qand_optional)) | |
| 2181 optional_p = 1; | |
| 2182 else if (EQ (arg, Qand_rest)) | |
| 2183 rest_p = 1; | |
| 2184 else | |
| 2185 { | |
| 2186 if (rest_p) | |
| 2187 { | |
| 2188 maxargs = MANY; | |
| 2189 totalargs++; | |
| 2190 break; | |
| 2191 } | |
| 2192 if (!optional_p) | |
| 2193 minargs++; | |
| 2194 maxargs++; | |
| 2195 totalargs++; | |
| 2196 } | |
| 2197 } | |
| 2198 } | |
| 2199 | |
| 2200 if (totalargs) | |
| 3092 | 2201 #ifdef NEW_GC |
| 2202 f->arguments = make_compiled_function_args (totalargs); | |
| 2203 #else /* not NEW_GC */ | |
| 1737 | 2204 f->args = xnew_array (Lisp_Object, totalargs); |
| 3092 | 2205 #endif /* not NEW_GC */ |
| 1737 | 2206 |
| 2207 { | |
| 2208 LIST_LOOP_2 (arg, f->arglist) | |
| 2209 { | |
| 2210 if (!EQ (arg, Qand_optional) && !EQ (arg, Qand_rest)) | |
| 3092 | 2211 #ifdef NEW_GC |
| 2212 XCOMPILED_FUNCTION_ARGS_DATA (f->arguments)[i++] = arg; | |
| 2213 #else /* not NEW_GC */ | |
| 1737 | 2214 f->args[i++] = arg; |
| 3092 | 2215 #endif /* not NEW_GC */ |
| 1737 | 2216 } |
| 2217 } | |
| 2218 | |
| 2219 f->max_args = maxargs; | |
| 2220 f->min_args = minargs; | |
| 2221 f->args_in_array = totalargs; | |
| 2222 } | |
| 2223 | |
| 428 | 2224 /* If we have not actually read the bytecode string |
| 2225 and constants vector yet, fetch them from the file. */ | |
| 2226 if (CONSP (f->instructions)) | |
| 2227 Ffetch_bytecode (compiled_function); | |
| 2228 | |
| 2229 if (STRINGP (f->instructions)) | |
| 2230 { | |
| 826 | 2231 /* XSTRING_LENGTH() is more efficient than string_char_length(), |
| 428 | 2232 which would be slightly more `proper' */ |
| 2233 program = alloca_array (Opbyte, 1 + 2 * XSTRING_LENGTH (f->instructions)); | |
| 2234 optimize_byte_code (f->instructions, f->constants, | |
| 2235 program, &program_length, &varbind_count); | |
| 2500 | 2236 f->specpdl_depth = (unsigned short) (XINT (Flength (f->arglist)) + |
| 2237 varbind_count); | |
| 428 | 2238 f->instructions = |
| 440 | 2239 make_opaque (program, program_length * sizeof (Opbyte)); |
| 428 | 2240 } |
| 2241 | |
| 2242 assert (OPAQUEP (f->instructions)); | |
| 2243 } | |
| 2244 | |
| 2245 /************************************************************************/ | |
| 2246 /* The compiled-function object type */ | |
| 2247 /************************************************************************/ | |
| 3092 | 2248 |
| 428 | 2249 static void |
| 2250 print_compiled_function (Lisp_Object obj, Lisp_Object printcharfun, | |
| 2251 int escapeflag) | |
| 2252 { | |
| 2253 /* This function can GC */ | |
| 2254 Lisp_Compiled_Function *f = | |
| 2255 XCOMPILED_FUNCTION (obj); /* GC doesn't relocate */ | |
| 2256 int docp = f->flags.documentationp; | |
| 2257 int intp = f->flags.interactivep; | |
| 2258 struct gcpro gcpro1, gcpro2; | |
| 2259 GCPRO2 (obj, printcharfun); | |
| 2260 | |
|
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|
2261 write_ascstring (printcharfun, print_readably ? "#[" : |
|
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|
2262 "#<compiled-function "); |
| 428 | 2263 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK |
| 2264 if (!print_readably) | |
| 2265 { | |
| 2266 Lisp_Object ann = compiled_function_annotation (f); | |
| 2267 if (!NILP (ann)) | |
| 800 | 2268 write_fmt_string_lisp (printcharfun, "(from %S) ", 1, ann); |
| 428 | 2269 } |
| 2270 #endif /* COMPILED_FUNCTION_ANNOTATION_HACK */ | |
| 2271 /* COMPILED_ARGLIST = 0 */ | |
| 2272 print_internal (compiled_function_arglist (f), printcharfun, escapeflag); | |
| 2273 | |
| 2274 /* COMPILED_INSTRUCTIONS = 1 */ | |
|
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|
2275 write_ascstring (printcharfun, " "); |
| 428 | 2276 { |
| 2277 struct gcpro ngcpro1; | |
| 2278 Lisp_Object instructions = compiled_function_instructions (f); | |
| 2279 NGCPRO1 (instructions); | |
| 2280 if (STRINGP (instructions) && !print_readably) | |
| 2281 { | |
| 2282 /* We don't usually want to see that junk in the bytecode. */ | |
| 800 | 2283 write_fmt_string (printcharfun, "\"...(%ld)\"", |
| 826 | 2284 (long) string_char_length (instructions)); |
| 428 | 2285 } |
| 2286 else | |
| 2287 print_internal (instructions, printcharfun, escapeflag); | |
| 2288 NUNGCPRO; | |
| 2289 } | |
| 2290 | |
| 2291 /* COMPILED_CONSTANTS = 2 */ | |
|
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diff
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|
2292 write_ascstring (printcharfun, " "); |
| 428 | 2293 print_internal (compiled_function_constants (f), printcharfun, escapeflag); |
| 2294 | |
| 2295 /* COMPILED_STACK_DEPTH = 3 */ | |
| 800 | 2296 write_fmt_string (printcharfun, " %d", compiled_function_stack_depth (f)); |
| 428 | 2297 |
| 2298 /* COMPILED_DOC_STRING = 4 */ | |
| 2299 if (docp || intp) | |
| 2300 { | |
|
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|
2301 write_ascstring (printcharfun, " "); |
| 428 | 2302 print_internal (compiled_function_documentation (f), printcharfun, |
| 2303 escapeflag); | |
| 2304 } | |
| 2305 | |
| 2306 /* COMPILED_INTERACTIVE = 5 */ | |
| 2307 if (intp) | |
| 2308 { | |
|
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|
2309 write_ascstring (printcharfun, " "); |
| 428 | 2310 print_internal (compiled_function_interactive (f), printcharfun, |
| 2311 escapeflag); | |
| 2312 } | |
| 2313 | |
| 2314 UNGCPRO; | |
|
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|
2315 if (print_readably) |
|
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|
2316 write_ascstring (printcharfun, "]"); |
|
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|
2317 else |
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5128
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|
2318 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 428 | 2319 } |
| 2320 | |
| 2321 | |
| 2322 static Lisp_Object | |
| 2323 mark_compiled_function (Lisp_Object obj) | |
| 2324 { | |
| 2325 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (obj); | |
| 814 | 2326 int i; |
| 428 | 2327 |
| 2328 mark_object (f->instructions); | |
| 2329 mark_object (f->arglist); | |
| 2330 mark_object (f->doc_and_interactive); | |
| 2331 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 2332 mark_object (f->annotated); | |
| 2333 #endif | |
| 814 | 2334 for (i = 0; i < f->args_in_array; i++) |
| 3092 | 2335 #ifdef NEW_GC |
| 2336 mark_object (XCOMPILED_FUNCTION_ARGS_DATA (f->arguments)[i]); | |
| 2337 #else /* not NEW_GC */ | |
| 814 | 2338 mark_object (f->args[i]); |
| 3092 | 2339 #endif /* not NEW_GC */ |
| 814 | 2340 |
| 428 | 2341 /* tail-recurse on constants */ |
| 2342 return f->constants; | |
| 2343 } | |
| 2344 | |
| 2345 static int | |
|
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4885
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|
2346 compiled_function_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
|
6ef8256a020a
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|
2347 int UNUSED (foldcase)) |
| 428 | 2348 { |
| 2349 Lisp_Compiled_Function *f1 = XCOMPILED_FUNCTION (obj1); | |
| 2350 Lisp_Compiled_Function *f2 = XCOMPILED_FUNCTION (obj2); | |
| 2351 return | |
| 2352 (f1->flags.documentationp == f2->flags.documentationp && | |
| 2353 f1->flags.interactivep == f2->flags.interactivep && | |
| 2354 f1->flags.domainp == f2->flags.domainp && /* I18N3 */ | |
| 2355 internal_equal (compiled_function_instructions (f1), | |
| 2356 compiled_function_instructions (f2), depth + 1) && | |
| 2357 internal_equal (f1->constants, f2->constants, depth + 1) && | |
| 2358 internal_equal (f1->arglist, f2->arglist, depth + 1) && | |
| 2359 internal_equal (f1->doc_and_interactive, | |
| 2360 f2->doc_and_interactive, depth + 1)); | |
| 2361 } | |
| 2362 | |
| 665 | 2363 static Hashcode |
|
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|
2364 compiled_function_hash (Lisp_Object obj, int depth, Boolint UNUSED (equalp)) |
| 428 | 2365 { |
| 2366 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (obj); | |
| 2367 return HASH3 ((f->flags.documentationp << 2) + | |
| 2368 (f->flags.interactivep << 1) + | |
| 2369 f->flags.domainp, | |
|
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|
2370 internal_hash (f->instructions, depth + 1, 0), |
|
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5146
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|
2371 internal_hash (f->constants, depth + 1, 0)); |
| 428 | 2372 } |
| 2373 | |
| 1204 | 2374 static const struct memory_description compiled_function_description[] = { |
| 814 | 2375 { XD_INT, offsetof (Lisp_Compiled_Function, args_in_array) }, |
| 3092 | 2376 #ifdef NEW_GC |
| 2377 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, arguments) }, | |
| 2378 #else /* not NEW_GC */ | |
| 2379 { XD_BLOCK_PTR, offsetof (Lisp_Compiled_Function, args), | |
| 2551 | 2380 XD_INDIRECT (0, 0), { &lisp_object_description } }, |
| 3092 | 2381 #endif /* not NEW_GC */ |
| 440 | 2382 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, instructions) }, |
| 2383 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, constants) }, | |
| 2384 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, arglist) }, | |
| 2385 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, doc_and_interactive) }, | |
| 428 | 2386 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK |
| 440 | 2387 { XD_LISP_OBJECT, offsetof (Lisp_Compiled_Function, annotated) }, |
| 428 | 2388 #endif |
| 2389 { XD_END } | |
| 2390 }; | |
| 2391 | |
|
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Ben Wing <ben@xemacs.org>
diff
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|
2392 DEFINE_DUMPABLE_FROB_BLOCK_LISP_OBJECT ("compiled-function", compiled_function, |
|
5124
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5118
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|
2393 mark_compiled_function, |
|
623d57b7fbe8
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5118
diff
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|
2394 print_compiled_function, 0, |
|
623d57b7fbe8
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Ben Wing <ben@xemacs.org>
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5118
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changeset
|
2395 compiled_function_equal, |
|
623d57b7fbe8
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Ben Wing <ben@xemacs.org>
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|
2396 compiled_function_hash, |
|
623d57b7fbe8
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|
2397 compiled_function_description, |
|
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|
2398 Lisp_Compiled_Function); |
| 3092 | 2399 |
| 428 | 2400 |
| 2401 DEFUN ("compiled-function-p", Fcompiled_function_p, 1, 1, 0, /* | |
| 2402 Return t if OBJECT is a byte-compiled function object. | |
| 2403 */ | |
| 2404 (object)) | |
| 2405 { | |
| 2406 return COMPILED_FUNCTIONP (object) ? Qt : Qnil; | |
| 2407 } | |
| 2408 | |
| 2409 /************************************************************************/ | |
| 2410 /* compiled-function object accessor functions */ | |
| 2411 /************************************************************************/ | |
| 2412 | |
| 2413 Lisp_Object | |
| 2414 compiled_function_arglist (Lisp_Compiled_Function *f) | |
| 2415 { | |
| 2416 return f->arglist; | |
| 2417 } | |
| 2418 | |
| 2419 Lisp_Object | |
| 2420 compiled_function_instructions (Lisp_Compiled_Function *f) | |
| 2421 { | |
| 2422 if (! OPAQUEP (f->instructions)) | |
| 2423 return f->instructions; | |
| 2424 | |
| 2425 { | |
| 2426 /* Invert action performed by optimize_byte_code() */ | |
| 2427 Lisp_Opaque *opaque = XOPAQUE (f->instructions); | |
| 2428 | |
| 867 | 2429 Ibyte * const buffer = |
| 2367 | 2430 alloca_ibytes (OPAQUE_SIZE (opaque) * MAX_ICHAR_LEN); |
| 867 | 2431 Ibyte *bp = buffer; |
| 428 | 2432 |
| 442 | 2433 const Opbyte * const program = (const Opbyte *) OPAQUE_DATA (opaque); |
| 2434 const Opbyte *program_ptr = program; | |
| 2435 const Opbyte * const program_end = program_ptr + OPAQUE_SIZE (opaque); | |
| 428 | 2436 |
| 2437 while (program_ptr < program_end) | |
| 2438 { | |
| 2439 Opcode opcode = (Opcode) READ_UINT_1; | |
| 867 | 2440 bp += set_itext_ichar (bp, opcode); |
| 428 | 2441 switch (opcode) |
| 2442 { | |
| 2443 case Bvarref+7: | |
| 2444 case Bvarset+7: | |
| 2445 case Bvarbind+7: | |
| 2446 case Bcall+7: | |
| 2447 case Bunbind+7: | |
| 2448 case Bconstant2: | |
| 867 | 2449 bp += set_itext_ichar (bp, READ_UINT_1); |
| 2450 bp += set_itext_ichar (bp, READ_UINT_1); | |
| 428 | 2451 break; |
| 2452 | |
| 2453 case Bvarref+6: | |
| 2454 case Bvarset+6: | |
| 2455 case Bvarbind+6: | |
| 2456 case Bcall+6: | |
| 2457 case Bunbind+6: | |
| 2458 case BlistN: | |
| 2459 case BconcatN: | |
| 2460 case BinsertN: | |
| 867 | 2461 bp += set_itext_ichar (bp, READ_UINT_1); |
| 428 | 2462 break; |
| 2463 | |
| 2464 case Bgoto: | |
| 2465 case Bgotoifnil: | |
| 2466 case Bgotoifnonnil: | |
| 2467 case Bgotoifnilelsepop: | |
| 2468 case Bgotoifnonnilelsepop: | |
| 2469 { | |
| 2470 int jump = READ_INT_2; | |
| 2471 Opbyte buf2[2]; | |
| 2472 Opbyte *buf2p = buf2; | |
| 2473 /* Convert back to program-relative address */ | |
| 2474 WRITE_INT16 (jump + (program_ptr - 2 - program), buf2p); | |
| 867 | 2475 bp += set_itext_ichar (bp, buf2[0]); |
| 2476 bp += set_itext_ichar (bp, buf2[1]); | |
| 428 | 2477 break; |
| 2478 } | |
| 2479 | |
| 2480 case BRgoto: | |
| 2481 case BRgotoifnil: | |
| 2482 case BRgotoifnonnil: | |
| 2483 case BRgotoifnilelsepop: | |
| 2484 case BRgotoifnonnilelsepop: | |
| 867 | 2485 bp += set_itext_ichar (bp, READ_INT_1 + 127); |
| 428 | 2486 break; |
| 2487 | |
| 2488 default: | |
| 2489 break; | |
| 2490 } | |
| 2491 } | |
| 2492 return make_string (buffer, bp - buffer); | |
| 2493 } | |
| 2494 } | |
| 2495 | |
| 2496 Lisp_Object | |
| 2497 compiled_function_constants (Lisp_Compiled_Function *f) | |
| 2498 { | |
| 2499 return f->constants; | |
| 2500 } | |
| 2501 | |
| 2502 int | |
| 2503 compiled_function_stack_depth (Lisp_Compiled_Function *f) | |
| 2504 { | |
| 2505 return f->stack_depth; | |
| 2506 } | |
| 2507 | |
| 2508 /* The compiled_function->doc_and_interactive slot uses the minimal | |
| 2509 number of conses, based on compiled_function->flags; it may take | |
| 2510 any of the following forms: | |
| 2511 | |
| 2512 doc | |
| 2513 interactive | |
| 2514 domain | |
| 2515 (doc . interactive) | |
| 2516 (doc . domain) | |
| 2517 (interactive . domain) | |
| 2518 (doc . (interactive . domain)) | |
| 2519 */ | |
| 2520 | |
| 2521 /* Caller must check flags.interactivep first */ | |
| 2522 Lisp_Object | |
| 2523 compiled_function_interactive (Lisp_Compiled_Function *f) | |
| 2524 { | |
| 2525 assert (f->flags.interactivep); | |
| 2526 if (f->flags.documentationp && f->flags.domainp) | |
| 2527 return XCAR (XCDR (f->doc_and_interactive)); | |
| 2528 else if (f->flags.documentationp) | |
| 2529 return XCDR (f->doc_and_interactive); | |
| 2530 else if (f->flags.domainp) | |
| 2531 return XCAR (f->doc_and_interactive); | |
| 2532 else | |
| 2533 return f->doc_and_interactive; | |
| 2534 } | |
| 2535 | |
| 2536 /* Caller need not check flags.documentationp first */ | |
| 2537 Lisp_Object | |
| 2538 compiled_function_documentation (Lisp_Compiled_Function *f) | |
| 2539 { | |
| 2540 if (! f->flags.documentationp) | |
| 2541 return Qnil; | |
| 2542 else if (f->flags.interactivep && f->flags.domainp) | |
| 2543 return XCAR (f->doc_and_interactive); | |
| 2544 else if (f->flags.interactivep) | |
| 2545 return XCAR (f->doc_and_interactive); | |
| 2546 else if (f->flags.domainp) | |
| 2547 return XCAR (f->doc_and_interactive); | |
| 2548 else | |
| 2549 return f->doc_and_interactive; | |
| 2550 } | |
| 2551 | |
| 2552 /* Caller need not check flags.domainp first */ | |
| 2553 Lisp_Object | |
| 2554 compiled_function_domain (Lisp_Compiled_Function *f) | |
| 2555 { | |
| 2556 if (! f->flags.domainp) | |
| 2557 return Qnil; | |
| 2558 else if (f->flags.documentationp && f->flags.interactivep) | |
| 2559 return XCDR (XCDR (f->doc_and_interactive)); | |
| 2560 else if (f->flags.documentationp) | |
| 2561 return XCDR (f->doc_and_interactive); | |
| 2562 else if (f->flags.interactivep) | |
| 2563 return XCDR (f->doc_and_interactive); | |
| 2564 else | |
| 2565 return f->doc_and_interactive; | |
| 2566 } | |
| 2567 | |
| 2568 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 2569 | |
| 2570 Lisp_Object | |
| 2571 compiled_function_annotation (Lisp_Compiled_Function *f) | |
| 2572 { | |
| 2573 return f->annotated; | |
| 2574 } | |
| 2575 | |
| 2576 #endif | |
| 2577 | |
|
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|
2578 /* used only by Snarf-documentation. */ |
| 428 | 2579 void |
| 2580 set_compiled_function_documentation (Lisp_Compiled_Function *f, | |
| 2581 Lisp_Object new_doc) | |
| 2582 { | |
| 2583 assert (INTP (new_doc) || STRINGP (new_doc)); | |
| 2584 | |
|
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|
2585 if (f->flags.documentationp) |
|
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|
2586 { |
|
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|
2587 if (f->flags.interactivep && f->flags.domainp) |
|
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|
2588 XCAR (f->doc_and_interactive) = new_doc; |
|
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|
2589 else if (f->flags.interactivep) |
|
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|
2590 XCAR (f->doc_and_interactive) = new_doc; |
|
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|
2591 else if (f->flags.domainp) |
|
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|
2592 XCAR (f->doc_and_interactive) = new_doc; |
|
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|
2593 else |
|
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|
2594 f->doc_and_interactive = new_doc; |
|
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|
2595 } |
| 428 | 2596 else |
|
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|
2597 { |
|
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|
2598 f->flags.documentationp = 1; |
|
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|
2599 if (f->flags.interactivep || f->flags.domainp) |
|
39d74978fd32
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|
2600 { |
|
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|
2601 f->doc_and_interactive = Fcons (new_doc, f->doc_and_interactive); |
|
39d74978fd32
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|
2602 } |
|
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|
2603 else |
|
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|
2604 { |
|
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|
2605 f->doc_and_interactive = new_doc; |
|
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|
2606 } |
|
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|
2607 } |
| 428 | 2608 } |
| 2609 | |
| 2610 | |
| 2611 DEFUN ("compiled-function-arglist", Fcompiled_function_arglist, 1, 1, 0, /* | |
| 2612 Return the argument list of the compiled-function object FUNCTION. | |
| 2613 */ | |
| 2614 (function)) | |
| 2615 { | |
| 2616 CHECK_COMPILED_FUNCTION (function); | |
| 2617 return compiled_function_arglist (XCOMPILED_FUNCTION (function)); | |
| 2618 } | |
| 2619 | |
| 2620 DEFUN ("compiled-function-instructions", Fcompiled_function_instructions, 1, 1, 0, /* | |
| 2621 Return the byte-opcode string of the compiled-function object FUNCTION. | |
| 2622 */ | |
| 2623 (function)) | |
| 2624 { | |
| 2625 CHECK_COMPILED_FUNCTION (function); | |
| 2626 return compiled_function_instructions (XCOMPILED_FUNCTION (function)); | |
| 2627 } | |
| 2628 | |
| 2629 DEFUN ("compiled-function-constants", Fcompiled_function_constants, 1, 1, 0, /* | |
| 2630 Return the constants vector of the compiled-function object FUNCTION. | |
| 2631 */ | |
| 2632 (function)) | |
| 2633 { | |
| 2634 CHECK_COMPILED_FUNCTION (function); | |
| 2635 return compiled_function_constants (XCOMPILED_FUNCTION (function)); | |
| 2636 } | |
| 2637 | |
| 2638 DEFUN ("compiled-function-stack-depth", Fcompiled_function_stack_depth, 1, 1, 0, /* | |
| 444 | 2639 Return the maximum stack depth of the compiled-function object FUNCTION. |
| 428 | 2640 */ |
| 2641 (function)) | |
| 2642 { | |
| 2643 CHECK_COMPILED_FUNCTION (function); | |
| 2644 return make_int (compiled_function_stack_depth (XCOMPILED_FUNCTION (function))); | |
| 2645 } | |
| 2646 | |
| 2647 DEFUN ("compiled-function-doc-string", Fcompiled_function_doc_string, 1, 1, 0, /* | |
| 2648 Return the doc string of the compiled-function object FUNCTION, if available. | |
| 2649 Functions that had their doc strings snarfed into the DOC file will have | |
| 2650 an integer returned instead of a string. | |
| 2651 */ | |
| 2652 (function)) | |
| 2653 { | |
| 2654 CHECK_COMPILED_FUNCTION (function); | |
| 2655 return compiled_function_documentation (XCOMPILED_FUNCTION (function)); | |
| 2656 } | |
| 2657 | |
| 2658 DEFUN ("compiled-function-interactive", Fcompiled_function_interactive, 1, 1, 0, /* | |
| 2659 Return the interactive spec of the compiled-function object FUNCTION, or nil. | |
| 2660 If non-nil, the return value will be a list whose first element is | |
| 2661 `interactive' and whose second element is the interactive spec. | |
| 2662 */ | |
| 2663 (function)) | |
| 2664 { | |
| 2665 CHECK_COMPILED_FUNCTION (function); | |
| 2666 return XCOMPILED_FUNCTION (function)->flags.interactivep | |
| 2667 ? list2 (Qinteractive, | |
| 2668 compiled_function_interactive (XCOMPILED_FUNCTION (function))) | |
| 2669 : Qnil; | |
| 2670 } | |
| 2671 | |
| 2672 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 2673 | |
| 826 | 2674 DEFUN ("compiled-function-annotation", Fcompiled_function_annotation, 1, 1, 0, /* |
| 428 | 2675 Return the annotation of the compiled-function object FUNCTION, or nil. |
| 2676 The annotation is a piece of information indicating where this | |
| 2677 compiled-function object came from. Generally this will be | |
| 2678 a symbol naming a function; or a string naming a file, if the | |
| 2679 compiled-function object was not defined in a function; or nil, | |
| 2680 if the compiled-function object was not created as a result of | |
| 2681 a `load'. | |
| 2682 */ | |
| 2683 (function)) | |
| 2684 { | |
| 2685 CHECK_COMPILED_FUNCTION (function); | |
| 2686 return compiled_function_annotation (XCOMPILED_FUNCTION (function)); | |
| 2687 } | |
| 2688 | |
| 2689 #endif /* COMPILED_FUNCTION_ANNOTATION_HACK */ | |
| 2690 | |
| 2691 DEFUN ("compiled-function-domain", Fcompiled_function_domain, 1, 1, 0, /* | |
| 2692 Return the domain of the compiled-function object FUNCTION, or nil. | |
| 2693 This is only meaningful if I18N3 was enabled when emacs was compiled. | |
| 2694 */ | |
| 2695 (function)) | |
| 2696 { | |
| 2697 CHECK_COMPILED_FUNCTION (function); | |
| 2698 return XCOMPILED_FUNCTION (function)->flags.domainp | |
| 2699 ? compiled_function_domain (XCOMPILED_FUNCTION (function)) | |
| 2700 : Qnil; | |
| 2701 } | |
| 2702 | |
| 2703 | |
| 2704 | |
| 2705 DEFUN ("fetch-bytecode", Ffetch_bytecode, 1, 1, 0, /* | |
| 2706 If the byte code for compiled function FUNCTION is lazy-loaded, fetch it now. | |
| 2707 */ | |
| 2708 (function)) | |
| 2709 { | |
| 2710 Lisp_Compiled_Function *f; | |
| 2711 CHECK_COMPILED_FUNCTION (function); | |
| 2712 f = XCOMPILED_FUNCTION (function); | |
| 2713 | |
| 2714 if (OPAQUEP (f->instructions) || STRINGP (f->instructions)) | |
| 2715 return function; | |
| 2716 | |
| 2717 if (CONSP (f->instructions)) | |
| 2718 { | |
| 2719 Lisp_Object tem = read_doc_string (f->instructions); | |
| 2720 if (!CONSP (tem)) | |
| 563 | 2721 signal_error (Qinvalid_byte_code, |
| 2722 "Invalid lazy-loaded byte code", tem); | |
| 428 | 2723 /* v18 or v19 bytecode file. Need to Ebolify. */ |
| 2724 if (f->flags.ebolified && VECTORP (XCDR (tem))) | |
| 2725 ebolify_bytecode_constants (XCDR (tem)); | |
| 2726 f->instructions = XCAR (tem); | |
| 2727 f->constants = XCDR (tem); | |
| 2728 return function; | |
| 2729 } | |
| 2500 | 2730 ABORT (); |
| 801 | 2731 return Qnil; /* not (usually) reached */ |
| 428 | 2732 } |
| 2733 | |
| 2734 DEFUN ("optimize-compiled-function", Foptimize_compiled_function, 1, 1, 0, /* | |
| 2735 Convert compiled function FUNCTION into an optimized internal form. | |
| 2736 */ | |
| 2737 (function)) | |
| 2738 { | |
| 2739 Lisp_Compiled_Function *f; | |
| 2740 CHECK_COMPILED_FUNCTION (function); | |
| 2741 f = XCOMPILED_FUNCTION (function); | |
| 2742 | |
| 2743 if (OPAQUEP (f->instructions)) /* Already optimized? */ | |
| 2744 return Qnil; | |
| 2745 | |
| 2746 optimize_compiled_function (function); | |
| 2747 return Qnil; | |
| 2748 } | |
| 2749 | |
| 2750 DEFUN ("byte-code", Fbyte_code, 3, 3, 0, /* | |
| 2751 Function used internally in byte-compiled code. | |
| 2752 First argument INSTRUCTIONS is a string of byte code. | |
| 2753 Second argument CONSTANTS is a vector of constants. | |
| 2754 Third argument STACK-DEPTH is the maximum stack depth used in this function. | |
| 2755 If STACK-DEPTH is incorrect, Emacs may crash. | |
| 2756 */ | |
| 2757 (instructions, constants, stack_depth)) | |
| 2758 { | |
| 2759 /* This function can GC */ | |
|
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|
2760 Elemcount varbind_count; |
|
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diff
changeset
|
2761 Elemcount program_length; |
| 428 | 2762 Opbyte *program; |
| 2763 | |
| 2764 CHECK_STRING (instructions); | |
| 2765 CHECK_VECTOR (constants); | |
|
5307
c096d8051f89
Have NATNUMP give t for positive bignums; check limits appropriately.
Aidan Kehoe <kehoea@parhasard.net>
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5300
diff
changeset
|
2766 check_integer_range (stack_depth, Qzero, make_int (USHRT_MAX)); |
| 428 | 2767 |
| 2768 /* Optimize the `instructions' string, just like when executing a | |
| 2769 regular compiled function, but don't save it for later since this is | |
| 2770 likely to only be executed once. */ | |
| 2771 program = alloca_array (Opbyte, 1 + 2 * XSTRING_LENGTH (instructions)); | |
| 2772 optimize_byte_code (instructions, constants, program, | |
| 2773 &program_length, &varbind_count); | |
| 2774 SPECPDL_RESERVE (varbind_count); | |
| 2775 return execute_optimized_program (program, | |
|
4921
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|
2776 #ifdef ERROR_CHECK_BYTE_CODE |
|
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diff
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|
2777 program_length, |
|
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|
2778 #endif |
| 428 | 2779 XINT (stack_depth), |
| 2780 XVECTOR_DATA (constants)); | |
| 2781 } | |
| 2782 | |
| 2783 | |
| 2784 void | |
| 2785 syms_of_bytecode (void) | |
| 2786 { | |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
2720
diff
changeset
|
2787 INIT_LISP_OBJECT (compiled_function); |
| 3092 | 2788 #ifdef NEW_GC |
|
5118
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
2789 INIT_LISP_OBJECT (compiled_function_args); |
| 3092 | 2790 #endif /* NEW_GC */ |
| 442 | 2791 |
| 2792 DEFERROR_STANDARD (Qinvalid_byte_code, Qinvalid_state); | |
| 563 | 2793 DEFSYMBOL (Qbyte_code); |
| 2794 DEFSYMBOL_MULTIWORD_PREDICATE (Qcompiled_functionp); | |
| 428 | 2795 |
| 2796 DEFSUBR (Fbyte_code); | |
| 2797 DEFSUBR (Ffetch_bytecode); | |
| 2798 DEFSUBR (Foptimize_compiled_function); | |
| 2799 | |
| 2800 DEFSUBR (Fcompiled_function_p); | |
| 2801 DEFSUBR (Fcompiled_function_instructions); | |
| 2802 DEFSUBR (Fcompiled_function_constants); | |
| 2803 DEFSUBR (Fcompiled_function_stack_depth); | |
| 2804 DEFSUBR (Fcompiled_function_arglist); | |
| 2805 DEFSUBR (Fcompiled_function_interactive); | |
| 2806 DEFSUBR (Fcompiled_function_doc_string); | |
| 2807 DEFSUBR (Fcompiled_function_domain); | |
| 2808 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 2809 DEFSUBR (Fcompiled_function_annotation); | |
| 2810 #endif | |
| 2811 | |
| 2812 #ifdef BYTE_CODE_METER | |
| 563 | 2813 DEFSYMBOL (Qbyte_code_meter); |
| 428 | 2814 #endif |
| 2815 } | |
| 2816 | |
| 2817 void | |
| 2818 vars_of_bytecode (void) | |
| 2819 { | |
| 2820 #ifdef BYTE_CODE_METER | |
| 2821 DEFVAR_LISP ("byte-code-meter", &Vbyte_code_meter /* | |
| 2822 A vector of vectors which holds a histogram of byte code usage. | |
| 2823 \(aref (aref byte-code-meter 0) CODE) indicates how many times the byte | |
| 2824 opcode CODE has been executed. | |
| 2825 \(aref (aref byte-code-meter CODE1) CODE2), where CODE1 is not 0, | |
| 2826 indicates how many times the byte opcodes CODE1 and CODE2 have been | |
| 2827 executed in succession. | |
| 2828 */ ); | |
| 2829 DEFVAR_BOOL ("byte-metering-on", &byte_metering_on /* | |
| 2830 If non-nil, keep profiling information on byte code usage. | |
| 2831 The variable `byte-code-meter' indicates how often each byte opcode is used. | |
| 2832 If a symbol has a property named `byte-code-meter' whose value is an | |
| 2833 integer, it is incremented each time that symbol's function is called. | |
| 2834 */ ); | |
| 2835 | |
| 2836 byte_metering_on = 0; | |
| 2837 Vbyte_code_meter = make_vector (256, Qzero); | |
| 2838 { | |
| 2839 int i = 256; | |
| 2840 while (i--) | |
| 2841 XVECTOR_DATA (Vbyte_code_meter)[i] = make_vector (256, Qzero); | |
| 2842 } | |
| 2843 #endif /* BYTE_CODE_METER */ | |
| 2844 } | |
|
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|
2845 |
|
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|
2846 #ifdef ERROR_CHECK_BYTE_CODE |
|
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|
2847 |
|
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|
2848 /* Initialize the opcodes in the table that correspond to a base opcode |
|
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|
2849 plus an offset (except for Bconstant). */ |
|
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|
2850 |
|
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changeset
|
2851 static void |
|
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|
2852 init_opcode_table_multi_op (Opcode op) |
|
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|
2853 { |
| 5091 | 2854 const Ascbyte *base = opcode_name_table[op]; |
|
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|
2855 Ascbyte temp[300]; |
|
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|
2856 int i; |
|
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|
2857 |
|
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|
2858 for (i = 1; i < 7; i++) |
|
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|
2859 { |
|
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|
2860 assert (!opcode_name_table[op + i]); |
| 5091 | 2861 sprintf (temp, "%s+%d", base, i); |
|
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|
2862 opcode_name_table[op + i] = xstrdup (temp); |
|
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|
2863 } |
|
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|
2864 } |
|
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|
2865 |
|
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|
2866 #endif /* ERROR_CHECK_BYTE_CODE */ |
|
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|
2867 |
|
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|
2868 void |
|
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|
2869 reinit_vars_of_bytecode (void) |
|
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|
2870 { |
|
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|
2871 #ifdef ERROR_CHECK_BYTE_CODE |
|
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|
2872 int i; |
|
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|
2873 |
|
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2874 #define OPCODE(sym, val) opcode_name_table[val] = xstrdup (#sym); |
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2875 #include "bytecode-ops.h" |
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2876 |
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2877 for (i = 0; i < countof (opcode_name_table); i++) |
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2878 { |
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2879 int j; |
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2880 Ascbyte *name = opcode_name_table[i]; |
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2881 if (name) |
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2882 { |
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2883 Bytecount len = strlen (name); |
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2884 /* Prettify the name by converting underscores to hyphens, similar |
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2885 to what happens with DEFSYMBOL. */ |
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2886 for (j = 0; j < len; j++) |
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2887 if (name[j] == '_') |
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2888 name[j] = '-'; |
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2889 } |
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2890 } |
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2891 |
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2892 init_opcode_table_multi_op (Bvarref); |
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2893 init_opcode_table_multi_op (Bvarset); |
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2894 init_opcode_table_multi_op (Bvarbind); |
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2895 init_opcode_table_multi_op (Bcall); |
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2896 init_opcode_table_multi_op (Bunbind); |
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2897 #endif /* ERROR_CHECK_BYTE_CODE */ |
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2898 } |