| Commit | Line | Data |
|---|
| a8a597b2 |
1 | use strict; |
| 2 | my %alias_to = ( |
| 3 | U32 => [qw(PADOFFSET STRLEN)], |
| 4 | I32 => [qw(SSize_t long)], |
| 5 | U16 => [qw(OPCODE line_t short)], |
| 6 | U8 => [qw(char)], |
| a8a597b2 |
7 | ); |
| 8 | |
| 9 | my @optype= qw(OP UNOP BINOP LOGOP CONDOP LISTOP PMOP SVOP GVOP PVOP LOOP COP); |
| 10 | |
| 11 | # Nullsv *must* come first in the following so that the condition |
| 12 | # ($$sv == 0) can continue to be used to test (sv == Nullsv). |
| 13 | my @specialsv = qw(Nullsv &sv_undef &sv_yes &sv_no); |
| 14 | |
| 15 | my (%alias_from, $from, $tos); |
| 16 | while (($from, $tos) = each %alias_to) { |
| 17 | map { $alias_from{$_} = $from } @$tos; |
| 18 | } |
| 19 | |
| 20 | my $c_header = <<'EOT'; |
| 21 | /* |
| a8581515 |
22 | * Copyright (c) 1996-1998 Malcolm Beattie |
| a8a597b2 |
23 | * |
| 24 | * You may distribute under the terms of either the GNU General Public |
| 25 | * License or the Artistic License, as specified in the README file. |
| 26 | * |
| 27 | */ |
| 28 | /* |
| 29 | * This file is autogenerated from bytecode.pl. Changes made here will be lost. |
| 30 | */ |
| 31 | EOT |
| 32 | |
| 33 | my $perl_header; |
| 34 | ($perl_header = $c_header) =~ s{[/ ]?\*/?}{#}g; |
| 35 | |
| 33b839e2 |
36 | unlink "byterun.c", "byterun.h", "ext/B/B/Asmdata.pm"; |
| a8a597b2 |
37 | |
| 38 | # |
| 39 | # Start with boilerplate for Asmdata.pm |
| 40 | # |
| 33b839e2 |
41 | open(ASMDATA_PM, ">ext/B/B/Asmdata.pm") or die "ext/B/B/Asmdata.pm: $!"; |
| a8a597b2 |
42 | print ASMDATA_PM $perl_header, <<'EOT'; |
| 43 | package B::Asmdata; |
| 44 | use Exporter; |
| 45 | @ISA = qw(Exporter); |
| 46 | @EXPORT_OK = qw(%insn_data @insn_name @optype @specialsv_name); |
| 47 | use vars qw(%insn_data @insn_name @optype @specialsv_name); |
| 48 | |
| 49 | EOT |
| 50 | print ASMDATA_PM <<"EOT"; |
| 51 | \@optype = qw(@optype); |
| 52 | \@specialsv_name = qw(@specialsv); |
| 53 | |
| 54 | # XXX insn_data is initialised this way because with a large |
| 55 | # %insn_data = (foo => [...], bar => [...], ...) initialiser |
| 56 | # I get a hard-to-track-down stack underflow and segfault. |
| 57 | EOT |
| 58 | |
| 59 | # |
| 60 | # Boilerplate for byterun.c |
| 61 | # |
| 62 | open(BYTERUN_C, ">byterun.c") or die "byterun.c: $!"; |
| 63 | print BYTERUN_C $c_header, <<'EOT'; |
| 64 | |
| 65 | #include "EXTERN.h" |
| 66 | #include "perl.h" |
| d613ef02 |
67 | |
| 68 | void * |
| 69 | bset_obj_store(void *obj, I32 ix) |
| 70 | { |
| 71 | if (ix > obj_list_fill) { |
| 72 | if (obj_list_fill == -1) |
| 73 | New(666, obj_list, ix + 1, void*); |
| 74 | else |
| 75 | Renew(obj_list, ix + 1, void*); |
| 76 | obj_list_fill = ix; |
| 77 | } |
| 78 | obj_list[ix] = obj; |
| 79 | return obj; |
| 80 | } |
| a8a597b2 |
81 | |
| 82 | #ifdef INDIRECT_BGET_MACROS |
| 33b839e2 |
83 | void byterun(struct bytestream bs) |
| a8a597b2 |
84 | #else |
| 4b534093 |
85 | void byterun(PerlIO *fp) |
| a8a597b2 |
86 | #endif /* INDIRECT_BGET_MACROS */ |
| 87 | { |
| 88 | dTHR; |
| 89 | int insn; |
| 47358472 |
90 | while ((insn = BGET_FGETC()) != EOF) { |
| a8a597b2 |
91 | switch (insn) { |
| 92 | EOT |
| 93 | |
| 94 | |
| 95 | my (@insn_name, $insn_num, $insn, $lvalue, $argtype, $flags, $fundtype); |
| 96 | |
| 97 | while (<DATA>) { |
| 98 | chop; |
| 99 | s/#.*//; # remove comments |
| 100 | next unless length; |
| 101 | if (/^%number\s+(.*)/) { |
| 102 | $insn_num = $1; |
| 103 | next; |
| 104 | } elsif (/%enum\s+(.*?)\s+(.*)/) { |
| 105 | create_enum($1, $2); # must come before instructions |
| 106 | next; |
| 107 | } |
| 108 | ($insn, $lvalue, $argtype, $flags) = split; |
| 109 | $insn_name[$insn_num] = $insn; |
| 110 | $fundtype = $alias_from{$argtype} || $argtype; |
| 111 | |
| 112 | # |
| 113 | # Add the case statement and code for the bytecode interpreter in byterun.c |
| 114 | # |
| 115 | printf BYTERUN_C "\t case INSN_%s:\t\t/* %d */\n\t {\n", |
| 116 | uc($insn), $insn_num; |
| 117 | my $optarg = $argtype eq "none" ? "" : ", arg"; |
| 118 | if ($optarg) { |
| 119 | printf BYTERUN_C "\t\t$argtype arg;\n\t\tBGET_%s(arg);\n", $fundtype; |
| 120 | } |
| 121 | if ($flags =~ /x/) { |
| 122 | print BYTERUN_C "\t\tBSET_$insn($lvalue$optarg);\n"; |
| 123 | } elsif ($flags =~ /s/) { |
| 124 | # Store instructions store to obj_list[arg]. "lvalue" field is rvalue. |
| 125 | print BYTERUN_C "\t\tBSET_OBJ_STORE($lvalue$optarg);\n"; |
| 126 | } |
| 127 | elsif ($optarg && $lvalue ne "none") { |
| 128 | print BYTERUN_C "\t\t$lvalue = arg;\n"; |
| 129 | } |
| 130 | print BYTERUN_C "\t\tbreak;\n\t }\n"; |
| 131 | |
| 132 | # |
| 133 | # Add the initialiser line for %insn_data in Asmdata.pm |
| 134 | # |
| 135 | print ASMDATA_PM <<"EOT"; |
| 136 | \$insn_data{$insn} = [$insn_num, \\&PUT_$fundtype, "GET_$fundtype"]; |
| 137 | EOT |
| 138 | |
| 139 | # Find the next unused instruction number |
| 140 | do { $insn_num++ } while $insn_name[$insn_num]; |
| 141 | } |
| 142 | |
| 143 | # |
| 144 | # Finish off byterun.c |
| 145 | # |
| 146 | print BYTERUN_C <<'EOT'; |
| 147 | default: |
| 148 | croak("Illegal bytecode instruction %d\n", insn); |
| 149 | /* NOTREACHED */ |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | EOT |
| 154 | |
| 155 | # |
| 156 | # Write the instruction and optype enum constants into byterun.h |
| 157 | # |
| 158 | open(BYTERUN_H, ">byterun.h") or die "byterun.h: $!"; |
| 159 | print BYTERUN_H $c_header, <<'EOT'; |
| 160 | #ifdef INDIRECT_BGET_MACROS |
| 161 | struct bytestream { |
| 162 | void *data; |
| 163 | int (*fgetc)(void *); |
| 164 | int (*fread)(char *, size_t, size_t, void*); |
| 165 | void (*freadpv)(U32, void*); |
| 166 | }; |
| a8a597b2 |
167 | #endif /* INDIRECT_BGET_MACROS */ |
| 168 | |
| d613ef02 |
169 | void *bset_obj_store _((void *, I32)); |
| a8a597b2 |
170 | |
| 171 | enum { |
| 172 | EOT |
| 173 | |
| 174 | my $i = 0; |
| 175 | my $add_enum_value = 0; |
| 176 | my $max_insn; |
| 177 | for ($i = 0; $i < @insn_name; $i++) { |
| 178 | $insn = uc($insn_name[$i]); |
| 179 | if (defined($insn)) { |
| 180 | $max_insn = $i; |
| 181 | if ($add_enum_value) { |
| 182 | print BYTERUN_H " INSN_$insn = $i,\t\t\t/* $i */\n"; |
| 183 | $add_enum_value = 0; |
| 184 | } else { |
| 185 | print BYTERUN_H " INSN_$insn,\t\t\t/* $i */\n"; |
| 186 | } |
| 187 | } else { |
| 188 | $add_enum_value = 1; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | print BYTERUN_H " MAX_INSN = $max_insn\n};\n"; |
| 193 | |
| 194 | print BYTERUN_H "\nenum {\n"; |
| 195 | for ($i = 0; $i < @optype - 1; $i++) { |
| 196 | printf BYTERUN_H " OPt_%s,\t\t/* %d */\n", $optype[$i], $i; |
| 197 | } |
| 198 | printf BYTERUN_H " OPt_%s\t\t/* %d */\n};\n\n", $optype[$i], $i; |
| 199 | print BYTERUN_H <<'EOT'; |
| 200 | EXT int optype_size[] |
| 201 | #ifdef DOINIT |
| 202 | = { |
| 203 | EOT |
| 204 | for ($i = 0; $i < @optype - 1; $i++) { |
| 205 | printf BYTERUN_H " sizeof(%s),\n", $optype[$i], $i; |
| 206 | } |
| 207 | printf BYTERUN_H " sizeof(%s)\n}\n", $optype[$i], $i; |
| 208 | print BYTERUN_H <<'EOT'; |
| 209 | #endif /* DOINIT */ |
| 210 | ; |
| 211 | |
| 212 | EOT |
| 213 | |
| fe3a57c4 |
214 | print BYTERUN_H <<'EOT'; |
| a8a597b2 |
215 | #define INIT_SPECIALSV_LIST STMT_START { \ |
| 216 | EOT |
| 217 | for ($i = 0; $i < @specialsv; $i++) { |
| 33b839e2 |
218 | print BYTERUN_H "\tspecialsv_list[$i] = $specialsv[$i]; \\\n"; |
| a8a597b2 |
219 | } |
| 220 | print BYTERUN_H <<'EOT'; |
| 33b839e2 |
221 | } STMT_END |
| a8a597b2 |
222 | EOT |
| 223 | |
| 224 | # |
| 225 | # Finish off insn_data and create array initialisers in Asmdata.pm |
| 226 | # |
| 227 | print ASMDATA_PM <<'EOT'; |
| 228 | |
| 229 | my ($insn_name, $insn_data); |
| 230 | while (($insn_name, $insn_data) = each %insn_data) { |
| 231 | $insn_name[$insn_data->[0]] = $insn_name; |
| 232 | } |
| 233 | # Fill in any gaps |
| 234 | @insn_name = map($_ || "unused", @insn_name); |
| 235 | |
| 236 | 1; |
| 237 | EOT |
| 238 | |
| 239 | __END__ |
| 240 | # First set instruction ord("#") to read comment to end-of-line (sneaky) |
| 241 | %number 35 |
| fe3a57c4 |
242 | comment arg comment_t |
| a8a597b2 |
243 | # Then make ord("\n") into a no-op |
| 244 | %number 10 |
| 245 | nop none none |
| 246 | # Now for the rest of the ordinary ones, beginning with \0 which is |
| 247 | # ret so that \0-terminated strings can be read properly as bytecode. |
| 248 | %number 0 |
| 249 | # |
| 250 | #opcode lvalue argtype flags |
| 251 | # |
| 252 | ret none none x |
| 253 | ldsv sv svindex |
| 254 | ldop op opindex |
| 255 | stsv sv U32 s |
| 256 | stop op U32 s |
| 257 | ldspecsv sv U8 x |
| 258 | newsv sv U8 x |
| 259 | newop op U8 x |
| 260 | newopn op U8 x |
| 261 | newpv none PV |
| 262 | pv_cur pv.xpv_cur STRLEN |
| 263 | pv_free pv none x |
| 264 | sv_upgrade sv char x |
| 265 | sv_refcnt SvREFCNT(sv) U32 |
| 266 | sv_refcnt_add SvREFCNT(sv) I32 x |
| 267 | sv_flags SvFLAGS(sv) U32 |
| 268 | xrv SvRV(sv) svindex |
| 269 | xpv sv none x |
| 270 | xiv32 SvIVX(sv) I32 |
| 271 | xiv64 SvIVX(sv) IV64 |
| 272 | xnv SvNVX(sv) double |
| 273 | xlv_targoff LvTARGOFF(sv) STRLEN |
| 274 | xlv_targlen LvTARGLEN(sv) STRLEN |
| 275 | xlv_targ LvTARG(sv) svindex |
| 276 | xlv_type LvTYPE(sv) char |
| 277 | xbm_useful BmUSEFUL(sv) I32 |
| 278 | xbm_previous BmPREVIOUS(sv) U16 |
| 279 | xbm_rare BmRARE(sv) U8 |
| 280 | xfm_lines FmLINES(sv) I32 |
| 281 | xio_lines IoLINES(sv) long |
| 282 | xio_page IoPAGE(sv) long |
| 283 | xio_page_len IoPAGE_LEN(sv) long |
| 284 | xio_lines_left IoLINES_LEFT(sv) long |
| 285 | xio_top_name IoTOP_NAME(sv) pvcontents |
| 286 | xio_top_gv *(SV**)&IoTOP_GV(sv) svindex |
| 287 | xio_fmt_name IoFMT_NAME(sv) pvcontents |
| 288 | xio_fmt_gv *(SV**)&IoFMT_GV(sv) svindex |
| 289 | xio_bottom_name IoBOTTOM_NAME(sv) pvcontents |
| 290 | xio_bottom_gv *(SV**)&IoBOTTOM_GV(sv) svindex |
| 291 | xio_subprocess IoSUBPROCESS(sv) short |
| 292 | xio_type IoTYPE(sv) char |
| 293 | xio_flags IoFLAGS(sv) char |
| 294 | xcv_stash *(SV**)&CvSTASH(sv) svindex |
| 295 | xcv_start CvSTART(sv) opindex |
| 296 | xcv_root CvROOT(sv) opindex |
| 297 | xcv_gv *(SV**)&CvGV(sv) svindex |
| 298 | xcv_filegv *(SV**)&CvFILEGV(sv) svindex |
| 299 | xcv_depth CvDEPTH(sv) long |
| 300 | xcv_padlist *(SV**)&CvPADLIST(sv) svindex |
| 301 | xcv_outside *(SV**)&CvOUTSIDE(sv) svindex |
| 302 | xcv_flags CvFLAGS(sv) U8 |
| 303 | av_extend sv SSize_t x |
| 304 | av_push sv svindex x |
| 305 | xav_fill AvFILLp(sv) SSize_t |
| 306 | xav_max AvMAX(sv) SSize_t |
| 307 | xav_flags AvFLAGS(sv) U8 |
| 308 | xhv_riter HvRITER(sv) I32 |
| 309 | xhv_name HvNAME(sv) pvcontents |
| 310 | hv_store sv svindex x |
| 311 | sv_magic sv char x |
| 312 | mg_obj SvMAGIC(sv)->mg_obj svindex |
| 313 | mg_private SvMAGIC(sv)->mg_private U16 |
| 314 | mg_flags SvMAGIC(sv)->mg_flags U8 |
| 315 | mg_pv SvMAGIC(sv) pvcontents x |
| 316 | xmg_stash *(SV**)&SvSTASH(sv) svindex |
| 317 | gv_fetchpv sv strconst x |
| 318 | gv_stashpv sv strconst x |
| 319 | gp_sv GvSV(sv) svindex |
| 320 | gp_refcnt GvREFCNT(sv) U32 |
| 321 | gp_refcnt_add GvREFCNT(sv) I32 x |
| 322 | gp_av *(SV**)&GvAV(sv) svindex |
| 323 | gp_hv *(SV**)&GvHV(sv) svindex |
| 324 | gp_cv *(SV**)&GvCV(sv) svindex |
| 325 | gp_filegv *(SV**)&GvFILEGV(sv) svindex |
| 326 | gp_io *(SV**)&GvIOp(sv) svindex |
| 327 | gp_form *(SV**)&GvFORM(sv) svindex |
| 328 | gp_cvgen GvCVGEN(sv) U32 |
| 329 | gp_line GvLINE(sv) line_t |
| 330 | gp_share sv svindex x |
| 331 | xgv_flags GvFLAGS(sv) U8 |
| 332 | op_next op->op_next opindex |
| 333 | op_sibling op->op_sibling opindex |
| 334 | op_ppaddr op->op_ppaddr strconst x |
| 335 | op_targ op->op_targ PADOFFSET |
| 336 | op_type op OPCODE x |
| 337 | op_seq op->op_seq U16 |
| 338 | op_flags op->op_flags U8 |
| 339 | op_private op->op_private U8 |
| 340 | op_first cUNOP->op_first opindex |
| 341 | op_last cBINOP->op_last opindex |
| 342 | op_other cLOGOP->op_other opindex |
| 343 | op_true cCONDOP->op_true opindex |
| 344 | op_false cCONDOP->op_false opindex |
| 345 | op_children cLISTOP->op_children U32 |
| 346 | op_pmreplroot cPMOP->op_pmreplroot opindex |
| 347 | op_pmreplrootgv *(SV**)&cPMOP->op_pmreplroot svindex |
| 348 | op_pmreplstart cPMOP->op_pmreplstart opindex |
| 349 | op_pmnext *(OP**)&cPMOP->op_pmnext opindex |
| 350 | pregcomp op pvcontents x |
| 351 | op_pmflags cPMOP->op_pmflags U16 |
| 352 | op_pmpermflags cPMOP->op_pmpermflags U16 |
| 353 | op_sv cSVOP->op_sv svindex |
| 354 | op_gv *(SV**)&cGVOP->op_gv svindex |
| 355 | op_pv cPVOP->op_pv pvcontents |
| 356 | op_pv_tr cPVOP->op_pv op_tr_array |
| 357 | op_redoop cLOOP->op_redoop opindex |
| 358 | op_nextop cLOOP->op_nextop opindex |
| 359 | op_lastop cLOOP->op_lastop opindex |
| 360 | cop_label cCOP->cop_label pvcontents |
| 361 | cop_stash *(SV**)&cCOP->cop_stash svindex |
| 362 | cop_filegv *(SV**)&cCOP->cop_filegv svindex |
| 363 | cop_seq cCOP->cop_seq U32 |
| 364 | cop_arybase cCOP->cop_arybase I32 |
| 365 | cop_line cCOP->cop_line line_t |
| 366 | main_start main_start opindex |
| 367 | main_root main_root opindex |
| 368 | curpad curpad svindex x |
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