| 1 |
/* $OpenBSD: tree.c,v 1.21 2015/09/01 13:12:31 tedu Exp $ */ |
| 2 |
|
| 3 |
/*- |
| 4 |
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, |
| 5 |
* 2011, 2012, 2013, 2015, 2016, 2017 |
| 6 |
* mirabilos <m@mirbsd.org> |
| 7 |
* |
| 8 |
* Provided that these terms and disclaimer and all copyright notices |
| 9 |
* are retained or reproduced in an accompanying document, permission |
| 10 |
* is granted to deal in this work without restriction, including un- |
| 11 |
* limited rights to use, publicly perform, distribute, sell, modify, |
| 12 |
* merge, give away, or sublicence. |
| 13 |
* |
| 14 |
* This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to |
| 15 |
* the utmost extent permitted by applicable law, neither express nor |
| 16 |
* implied; without malicious intent or gross negligence. In no event |
| 17 |
* may a licensor, author or contributor be held liable for indirect, |
| 18 |
* direct, other damage, loss, or other issues arising in any way out |
| 19 |
* of dealing in the work, even if advised of the possibility of such |
| 20 |
* damage or existence of a defect, except proven that it results out |
| 21 |
* of said person's immediate fault when using the work as intended. |
| 22 |
*/ |
| 23 |
|
| 24 |
#include "sh.h" |
| 25 |
|
| 26 |
__RCSID("$MirOS: src/bin/mksh/tree.c,v 1.95 2018/01/14 00:03:05 tg Exp $"); |
| 27 |
|
| 28 |
#define INDENT 8 |
| 29 |
|
| 30 |
static void ptree(struct op *, int, struct shf *); |
| 31 |
static void pioact(struct shf *, struct ioword *); |
| 32 |
static const char *wdvarput(struct shf *, const char *, int, int); |
| 33 |
static void vfptreef(struct shf *, int, const char *, va_list); |
| 34 |
static struct ioword **iocopy(struct ioword **, Area *); |
| 35 |
static void iofree(struct ioword **, Area *); |
| 36 |
|
| 37 |
/* "foo& ; bar" and "foo |& ; bar" are invalid */ |
| 38 |
static bool prevent_semicolon; |
| 39 |
|
| 40 |
static const char Telif_pT[] = "elif %T"; |
| 41 |
|
| 42 |
/* |
| 43 |
* print a command tree |
| 44 |
*/ |
| 45 |
static void |
| 46 |
ptree(struct op *t, int indent, struct shf *shf) |
| 47 |
{ |
| 48 |
const char **w; |
| 49 |
struct ioword **ioact; |
| 50 |
struct op *t1; |
| 51 |
int i; |
| 52 |
const char *ccp; |
| 53 |
|
| 54 |
Chain: |
| 55 |
if (t == NULL) |
| 56 |
return; |
| 57 |
switch (t->type) { |
| 58 |
case TCOM: |
| 59 |
prevent_semicolon = false; |
| 60 |
/* special-case 'var=<<EOF' (cf. exec.c:execute) */ |
| 61 |
if (t->args && |
| 62 |
/* we have zero arguments, i.e. no program to run */ |
| 63 |
t->args[0] == NULL && |
| 64 |
/* we have exactly one variable assignment */ |
| 65 |
t->vars[0] != NULL && t->vars[1] == NULL && |
| 66 |
/* we have exactly one I/O redirection */ |
| 67 |
t->ioact != NULL && t->ioact[0] != NULL && |
| 68 |
t->ioact[1] == NULL && |
| 69 |
/* of type "here document" (or "here string") */ |
| 70 |
(t->ioact[0]->ioflag & IOTYPE) == IOHERE && |
| 71 |
/* the variable assignment begins with a valid varname */ |
| 72 |
(ccp = skip_wdvarname(t->vars[0], true)) != t->vars[0] && |
| 73 |
/* and has no right-hand side (i.e. "varname=") */ |
| 74 |
ccp[0] == CHAR && ((ccp[1] == '=' && ccp[2] == EOS) || |
| 75 |
/* or "varname+=" */ (ccp[1] == '+' && ccp[2] == CHAR && |
| 76 |
ccp[3] == '=' && ccp[4] == EOS))) { |
| 77 |
fptreef(shf, indent, Tf_S, t->vars[0]); |
| 78 |
break; |
| 79 |
} |
| 80 |
|
| 81 |
if (t->vars) { |
| 82 |
w = (const char **)t->vars; |
| 83 |
while (*w) |
| 84 |
fptreef(shf, indent, Tf_S_, *w++); |
| 85 |
} else |
| 86 |
shf_puts("#no-vars# ", shf); |
| 87 |
if (t->args) { |
| 88 |
w = t->args; |
| 89 |
if (*w && **w == CHAR) { |
| 90 |
char *cp = wdstrip(*w++, WDS_TPUTS); |
| 91 |
|
| 92 |
if (valid_alias_name(cp)) |
| 93 |
shf_putc('\\', shf); |
| 94 |
shf_puts(cp, shf); |
| 95 |
shf_putc(' ', shf); |
| 96 |
afree(cp, ATEMP); |
| 97 |
} |
| 98 |
while (*w) |
| 99 |
fptreef(shf, indent, Tf_S_, *w++); |
| 100 |
} else |
| 101 |
shf_puts("#no-args# ", shf); |
| 102 |
break; |
| 103 |
case TEXEC: |
| 104 |
t = t->left; |
| 105 |
goto Chain; |
| 106 |
case TPAREN: |
| 107 |
fptreef(shf, indent + 2, "( %T) ", t->left); |
| 108 |
break; |
| 109 |
case TPIPE: |
| 110 |
fptreef(shf, indent, "%T| ", t->left); |
| 111 |
t = t->right; |
| 112 |
goto Chain; |
| 113 |
case TLIST: |
| 114 |
fptreef(shf, indent, "%T%;", t->left); |
| 115 |
t = t->right; |
| 116 |
goto Chain; |
| 117 |
case TOR: |
| 118 |
case TAND: |
| 119 |
fptreef(shf, indent, "%T%s %T", |
| 120 |
t->left, (t->type == TOR) ? "||" : "&&", t->right); |
| 121 |
break; |
| 122 |
case TBANG: |
| 123 |
shf_puts("! ", shf); |
| 124 |
prevent_semicolon = false; |
| 125 |
t = t->right; |
| 126 |
goto Chain; |
| 127 |
case TDBRACKET: |
| 128 |
w = t->args; |
| 129 |
shf_puts("[[", shf); |
| 130 |
while (*w) |
| 131 |
fptreef(shf, indent, Tf__S, *w++); |
| 132 |
shf_puts(" ]] ", shf); |
| 133 |
break; |
| 134 |
case TSELECT: |
| 135 |
case TFOR: |
| 136 |
fptreef(shf, indent, "%s %s ", |
| 137 |
(t->type == TFOR) ? "for" : Tselect, t->str); |
| 138 |
if (t->vars != NULL) { |
| 139 |
shf_puts("in ", shf); |
| 140 |
w = (const char **)t->vars; |
| 141 |
while (*w) |
| 142 |
fptreef(shf, indent, Tf_S_, *w++); |
| 143 |
fptreef(shf, indent, Tft_end); |
| 144 |
} |
| 145 |
fptreef(shf, indent + INDENT, "do%N%T", t->left); |
| 146 |
fptreef(shf, indent, "%;done "); |
| 147 |
break; |
| 148 |
case TCASE: |
| 149 |
fptreef(shf, indent, "case %S in", t->str); |
| 150 |
for (t1 = t->left; t1 != NULL; t1 = t1->right) { |
| 151 |
fptreef(shf, indent, "%N("); |
| 152 |
w = (const char **)t1->vars; |
| 153 |
while (*w) { |
| 154 |
fptreef(shf, indent, "%S%c", *w, |
| 155 |
(w[1] != NULL) ? '|' : ')'); |
| 156 |
++w; |
| 157 |
} |
| 158 |
fptreef(shf, indent + INDENT, "%N%T%N;%c", t1->left, |
| 159 |
t1->u.charflag); |
| 160 |
} |
| 161 |
fptreef(shf, indent, "%Nesac "); |
| 162 |
break; |
| 163 |
case TELIF: |
| 164 |
internal_errorf(TELIF_unexpected); |
| 165 |
/* FALLTHROUGH */ |
| 166 |
case TIF: |
| 167 |
i = 2; |
| 168 |
t1 = t; |
| 169 |
goto process_TIF; |
| 170 |
do { |
| 171 |
t1 = t1->right; |
| 172 |
i = 0; |
| 173 |
fptreef(shf, indent, Tft_end); |
| 174 |
process_TIF: |
| 175 |
/* 5 == strlen("elif ") */ |
| 176 |
fptreef(shf, indent + 5 - i, Telif_pT + i, t1->left); |
| 177 |
t1 = t1->right; |
| 178 |
if (t1->left != NULL) { |
| 179 |
fptreef(shf, indent, Tft_end); |
| 180 |
fptreef(shf, indent + INDENT, "%s%N%T", |
| 181 |
"then", t1->left); |
| 182 |
} |
| 183 |
} while (t1->right && t1->right->type == TELIF); |
| 184 |
if (t1->right != NULL) { |
| 185 |
fptreef(shf, indent, Tft_end); |
| 186 |
fptreef(shf, indent + INDENT, "%s%N%T", |
| 187 |
"else", t1->right); |
| 188 |
} |
| 189 |
fptreef(shf, indent, "%;fi "); |
| 190 |
break; |
| 191 |
case TWHILE: |
| 192 |
case TUNTIL: |
| 193 |
/* 6 == strlen("while "/"until ") */ |
| 194 |
fptreef(shf, indent + 6, Tf_s_T, |
| 195 |
(t->type == TWHILE) ? "while" : "until", |
| 196 |
t->left); |
| 197 |
fptreef(shf, indent, Tft_end); |
| 198 |
fptreef(shf, indent + INDENT, "do%N%T", t->right); |
| 199 |
fptreef(shf, indent, "%;done "); |
| 200 |
break; |
| 201 |
case TBRACE: |
| 202 |
fptreef(shf, indent + INDENT, "{%N%T", t->left); |
| 203 |
fptreef(shf, indent, "%;} "); |
| 204 |
break; |
| 205 |
case TCOPROC: |
| 206 |
fptreef(shf, indent, "%T|& ", t->left); |
| 207 |
prevent_semicolon = true; |
| 208 |
break; |
| 209 |
case TASYNC: |
| 210 |
fptreef(shf, indent, "%T& ", t->left); |
| 211 |
prevent_semicolon = true; |
| 212 |
break; |
| 213 |
case TFUNCT: |
| 214 |
fpFUNCTf(shf, indent, tobool(t->u.ksh_func), t->str, t->left); |
| 215 |
break; |
| 216 |
case TTIME: |
| 217 |
fptreef(shf, indent, Tf_s_T, Ttime, t->left); |
| 218 |
break; |
| 219 |
default: |
| 220 |
shf_puts("<botch>", shf); |
| 221 |
prevent_semicolon = false; |
| 222 |
break; |
| 223 |
} |
| 224 |
if ((ioact = t->ioact) != NULL) { |
| 225 |
bool need_nl = false; |
| 226 |
|
| 227 |
while (*ioact != NULL) |
| 228 |
pioact(shf, *ioact++); |
| 229 |
/* Print here documents after everything else... */ |
| 230 |
ioact = t->ioact; |
| 231 |
while (*ioact != NULL) { |
| 232 |
struct ioword *iop = *ioact++; |
| 233 |
|
| 234 |
/* heredoc is NULL when tracing (set -x) */ |
| 235 |
if ((iop->ioflag & (IOTYPE | IOHERESTR)) == IOHERE && |
| 236 |
iop->heredoc) { |
| 237 |
shf_putc('\n', shf); |
| 238 |
shf_puts(iop->heredoc, shf); |
| 239 |
fptreef(shf, indent, Tf_s, |
| 240 |
evalstr(iop->delim, 0)); |
| 241 |
need_nl = true; |
| 242 |
} |
| 243 |
} |
| 244 |
/* |
| 245 |
* Last delimiter must be followed by a newline (this |
| 246 |
* often leads to an extra blank line, but it's not |
| 247 |
* worth worrying about) |
| 248 |
*/ |
| 249 |
if (need_nl) { |
| 250 |
shf_putc('\n', shf); |
| 251 |
prevent_semicolon = true; |
| 252 |
} |
| 253 |
} |
| 254 |
} |
| 255 |
|
| 256 |
static void |
| 257 |
pioact(struct shf *shf, struct ioword *iop) |
| 258 |
{ |
| 259 |
unsigned short flag = iop->ioflag; |
| 260 |
unsigned short type = flag & IOTYPE; |
| 261 |
short expected; |
| 262 |
|
| 263 |
expected = (type == IOREAD || type == IORDWR || type == IOHERE) ? 0 : |
| 264 |
(type == IOCAT || type == IOWRITE) ? 1 : |
| 265 |
(type == IODUP && (iop->unit == !(flag & IORDUP))) ? iop->unit : |
| 266 |
iop->unit + 1; |
| 267 |
if (iop->unit != expected) |
| 268 |
shf_fprintf(shf, Tf_d, (int)iop->unit); |
| 269 |
|
| 270 |
switch (type) { |
| 271 |
case IOREAD: |
| 272 |
shf_putc('<', shf); |
| 273 |
break; |
| 274 |
case IOHERE: |
| 275 |
shf_puts("<<", shf); |
| 276 |
if (flag & IOSKIP) |
| 277 |
shf_putc('-', shf); |
| 278 |
else if (flag & IOHERESTR) |
| 279 |
shf_putc('<', shf); |
| 280 |
break; |
| 281 |
case IOCAT: |
| 282 |
shf_puts(">>", shf); |
| 283 |
break; |
| 284 |
case IOWRITE: |
| 285 |
shf_putc('>', shf); |
| 286 |
if (flag & IOCLOB) |
| 287 |
shf_putc('|', shf); |
| 288 |
break; |
| 289 |
case IORDWR: |
| 290 |
shf_puts("<>", shf); |
| 291 |
break; |
| 292 |
case IODUP: |
| 293 |
shf_puts(flag & IORDUP ? "<&" : ">&", shf); |
| 294 |
break; |
| 295 |
} |
| 296 |
/* name/delim are NULL when printing syntax errors */ |
| 297 |
if (type == IOHERE) { |
| 298 |
if (iop->delim && !(iop->ioflag & IONDELIM)) |
| 299 |
wdvarput(shf, iop->delim, 0, WDS_TPUTS); |
| 300 |
} else if (iop->ioname) { |
| 301 |
if (flag & IONAMEXP) |
| 302 |
print_value_quoted(shf, iop->ioname); |
| 303 |
else |
| 304 |
wdvarput(shf, iop->ioname, 0, WDS_TPUTS); |
| 305 |
} |
| 306 |
shf_putc(' ', shf); |
| 307 |
prevent_semicolon = false; |
| 308 |
} |
| 309 |
|
| 310 |
/* variant of fputs for ptreef and wdstrip */ |
| 311 |
static const char * |
| 312 |
wdvarput(struct shf *shf, const char *wp, int quotelevel, int opmode) |
| 313 |
{ |
| 314 |
int c; |
| 315 |
const char *cs; |
| 316 |
|
| 317 |
/*- |
| 318 |
* problems: |
| 319 |
* `...` -> $(...) |
| 320 |
* 'foo' -> "foo" |
| 321 |
* x${foo:-"hi"} -> x${foo:-hi} unless WDS_TPUTS |
| 322 |
* x${foo:-'hi'} -> x${foo:-hi} |
| 323 |
* could change encoding to: |
| 324 |
* OQUOTE ["'] ... CQUOTE ["'] |
| 325 |
* COMSUB [(`] ...\0 (handle $ ` \ and maybe " in `...` case) |
| 326 |
*/ |
| 327 |
while (/* CONSTCOND */ 1) |
| 328 |
switch (*wp++) { |
| 329 |
case EOS: |
| 330 |
return (--wp); |
| 331 |
case ADELIM: |
| 332 |
if (ord(*wp) == ORD(/*{*/ '}')) { |
| 333 |
++wp; |
| 334 |
goto wdvarput_csubst; |
| 335 |
} |
| 336 |
/* FALLTHROUGH */ |
| 337 |
case CHAR: |
| 338 |
c = ord(*wp++); |
| 339 |
shf_putc(c, shf); |
| 340 |
break; |
| 341 |
case QCHAR: |
| 342 |
c = ord(*wp++); |
| 343 |
if (opmode & WDS_TPUTS) |
| 344 |
switch (c) { |
| 345 |
case ORD('\n'): |
| 346 |
if (quotelevel == 0) { |
| 347 |
c = ORD('\''); |
| 348 |
shf_putc(c, shf); |
| 349 |
shf_putc(ORD('\n'), shf); |
| 350 |
} |
| 351 |
break; |
| 352 |
default: |
| 353 |
if (quotelevel == 0) |
| 354 |
/* FALLTHROUGH */ |
| 355 |
case ORD('"'): |
| 356 |
case ORD('`'): |
| 357 |
case ORD('$'): |
| 358 |
case ORD('\\'): |
| 359 |
shf_putc(ORD('\\'), shf); |
| 360 |
break; |
| 361 |
} |
| 362 |
shf_putc(c, shf); |
| 363 |
break; |
| 364 |
case COMASUB: |
| 365 |
case COMSUB: |
| 366 |
shf_puts("$(", shf); |
| 367 |
cs = ")"; |
| 368 |
if (ord(*wp) == ORD('(' /*)*/)) |
| 369 |
shf_putc(' ', shf); |
| 370 |
pSUB: |
| 371 |
while ((c = *wp++) != 0) |
| 372 |
shf_putc(c, shf); |
| 373 |
shf_puts(cs, shf); |
| 374 |
break; |
| 375 |
case FUNASUB: |
| 376 |
case FUNSUB: |
| 377 |
c = ORD(' '); |
| 378 |
if (0) |
| 379 |
/* FALLTHROUGH */ |
| 380 |
case VALSUB: |
| 381 |
c = ORD('|'); |
| 382 |
shf_putc('$', shf); |
| 383 |
shf_putc('{', shf); |
| 384 |
shf_putc(c, shf); |
| 385 |
cs = ";}"; |
| 386 |
goto pSUB; |
| 387 |
case EXPRSUB: |
| 388 |
shf_puts("$((", shf); |
| 389 |
cs = "))"; |
| 390 |
goto pSUB; |
| 391 |
case OQUOTE: |
| 392 |
if (opmode & WDS_TPUTS) { |
| 393 |
quotelevel++; |
| 394 |
shf_putc('"', shf); |
| 395 |
} |
| 396 |
break; |
| 397 |
case CQUOTE: |
| 398 |
if (opmode & WDS_TPUTS) { |
| 399 |
if (quotelevel) |
| 400 |
quotelevel--; |
| 401 |
shf_putc('"', shf); |
| 402 |
} |
| 403 |
break; |
| 404 |
case OSUBST: |
| 405 |
shf_putc('$', shf); |
| 406 |
if (ord(*wp++) == ORD('{')) |
| 407 |
shf_putc('{', shf); |
| 408 |
while ((c = *wp++) != 0) |
| 409 |
shf_putc(c, shf); |
| 410 |
wp = wdvarput(shf, wp, 0, opmode); |
| 411 |
break; |
| 412 |
case CSUBST: |
| 413 |
if (ord(*wp++) == ORD('}')) { |
| 414 |
wdvarput_csubst: |
| 415 |
shf_putc('}', shf); |
| 416 |
} |
| 417 |
return (wp); |
| 418 |
case OPAT: |
| 419 |
shf_putchar(*wp++, shf); |
| 420 |
shf_putc('(', shf); |
| 421 |
break; |
| 422 |
case SPAT: |
| 423 |
c = ORD('|'); |
| 424 |
if (0) |
| 425 |
/* FALLTHROUGH */ |
| 426 |
case CPAT: |
| 427 |
c = ORD(/*(*/ ')'); |
| 428 |
shf_putc(c, shf); |
| 429 |
break; |
| 430 |
} |
| 431 |
} |
| 432 |
|
| 433 |
/* |
| 434 |
* this is the _only_ way to reliably handle |
| 435 |
* variable args with an ANSI compiler |
| 436 |
*/ |
| 437 |
/* VARARGS */ |
| 438 |
void |
| 439 |
fptreef(struct shf *shf, int indent, const char *fmt, ...) |
| 440 |
{ |
| 441 |
va_list va; |
| 442 |
|
| 443 |
va_start(va, fmt); |
| 444 |
vfptreef(shf, indent, fmt, va); |
| 445 |
va_end(va); |
| 446 |
} |
| 447 |
|
| 448 |
/* VARARGS */ |
| 449 |
char * |
| 450 |
snptreef(char *s, ssize_t n, const char *fmt, ...) |
| 451 |
{ |
| 452 |
va_list va; |
| 453 |
struct shf shf; |
| 454 |
|
| 455 |
shf_sopen(s, n, SHF_WR | (s ? 0 : SHF_DYNAMIC), &shf); |
| 456 |
|
| 457 |
va_start(va, fmt); |
| 458 |
vfptreef(&shf, 0, fmt, va); |
| 459 |
va_end(va); |
| 460 |
|
| 461 |
/* shf_sclose NUL terminates */ |
| 462 |
return (shf_sclose(&shf)); |
| 463 |
} |
| 464 |
|
| 465 |
static void |
| 466 |
vfptreef(struct shf *shf, int indent, const char *fmt, va_list va) |
| 467 |
{ |
| 468 |
int c; |
| 469 |
|
| 470 |
while ((c = ord(*fmt++))) { |
| 471 |
if (c == '%') { |
| 472 |
switch ((c = ord(*fmt++))) { |
| 473 |
case ORD('c'): |
| 474 |
/* character (octet, probably) */ |
| 475 |
shf_putchar(va_arg(va, int), shf); |
| 476 |
break; |
| 477 |
case ORD('s'): |
| 478 |
/* string */ |
| 479 |
shf_puts(va_arg(va, char *), shf); |
| 480 |
break; |
| 481 |
case ORD('S'): |
| 482 |
/* word */ |
| 483 |
wdvarput(shf, va_arg(va, char *), 0, WDS_TPUTS); |
| 484 |
break; |
| 485 |
case ORD('d'): |
| 486 |
/* signed decimal */ |
| 487 |
shf_fprintf(shf, Tf_d, va_arg(va, int)); |
| 488 |
break; |
| 489 |
case ORD('u'): |
| 490 |
/* unsigned decimal */ |
| 491 |
shf_fprintf(shf, "%u", va_arg(va, unsigned int)); |
| 492 |
break; |
| 493 |
case ORD('T'): |
| 494 |
/* format tree */ |
| 495 |
ptree(va_arg(va, struct op *), indent, shf); |
| 496 |
goto dont_trash_prevent_semicolon; |
| 497 |
case ORD(';'): |
| 498 |
/* newline or ; */ |
| 499 |
case ORD('N'): |
| 500 |
/* newline or space */ |
| 501 |
if (shf->flags & SHF_STRING) { |
| 502 |
if ((unsigned int)c == ORD(';') && |
| 503 |
!prevent_semicolon) |
| 504 |
shf_putc(';', shf); |
| 505 |
shf_putc(' ', shf); |
| 506 |
} else { |
| 507 |
int i; |
| 508 |
|
| 509 |
shf_putc('\n', shf); |
| 510 |
i = indent; |
| 511 |
while (i >= 8) { |
| 512 |
shf_putc('\t', shf); |
| 513 |
i -= 8; |
| 514 |
} |
| 515 |
while (i--) |
| 516 |
shf_putc(' ', shf); |
| 517 |
} |
| 518 |
break; |
| 519 |
case ORD('R'): |
| 520 |
/* I/O redirection */ |
| 521 |
pioact(shf, va_arg(va, struct ioword *)); |
| 522 |
break; |
| 523 |
default: |
| 524 |
shf_putc(c, shf); |
| 525 |
break; |
| 526 |
} |
| 527 |
} else |
| 528 |
shf_putc(c, shf); |
| 529 |
prevent_semicolon = false; |
| 530 |
dont_trash_prevent_semicolon: |
| 531 |
; |
| 532 |
} |
| 533 |
} |
| 534 |
|
| 535 |
/* |
| 536 |
* copy tree (for function definition) |
| 537 |
*/ |
| 538 |
struct op * |
| 539 |
tcopy(struct op *t, Area *ap) |
| 540 |
{ |
| 541 |
struct op *r; |
| 542 |
const char **tw; |
| 543 |
char **rw; |
| 544 |
|
| 545 |
if (t == NULL) |
| 546 |
return (NULL); |
| 547 |
|
| 548 |
r = alloc(sizeof(struct op), ap); |
| 549 |
|
| 550 |
r->type = t->type; |
| 551 |
r->u.evalflags = t->u.evalflags; |
| 552 |
|
| 553 |
if (t->type == TCASE) |
| 554 |
r->str = wdcopy(t->str, ap); |
| 555 |
else |
| 556 |
strdupx(r->str, t->str, ap); |
| 557 |
|
| 558 |
if (t->vars == NULL) |
| 559 |
r->vars = NULL; |
| 560 |
else { |
| 561 |
tw = (const char **)t->vars; |
| 562 |
while (*tw) |
| 563 |
++tw; |
| 564 |
rw = r->vars = alloc2(tw - (const char **)t->vars + 1, |
| 565 |
sizeof(*tw), ap); |
| 566 |
tw = (const char **)t->vars; |
| 567 |
while (*tw) |
| 568 |
*rw++ = wdcopy(*tw++, ap); |
| 569 |
*rw = NULL; |
| 570 |
} |
| 571 |
|
| 572 |
if (t->args == NULL) |
| 573 |
r->args = NULL; |
| 574 |
else { |
| 575 |
tw = t->args; |
| 576 |
while (*tw) |
| 577 |
++tw; |
| 578 |
r->args = (const char **)(rw = alloc2(tw - t->args + 1, |
| 579 |
sizeof(*tw), ap)); |
| 580 |
tw = t->args; |
| 581 |
while (*tw) |
| 582 |
*rw++ = wdcopy(*tw++, ap); |
| 583 |
*rw = NULL; |
| 584 |
} |
| 585 |
|
| 586 |
r->ioact = (t->ioact == NULL) ? NULL : iocopy(t->ioact, ap); |
| 587 |
|
| 588 |
r->left = tcopy(t->left, ap); |
| 589 |
r->right = tcopy(t->right, ap); |
| 590 |
r->lineno = t->lineno; |
| 591 |
|
| 592 |
return (r); |
| 593 |
} |
| 594 |
|
| 595 |
char * |
| 596 |
wdcopy(const char *wp, Area *ap) |
| 597 |
{ |
| 598 |
size_t len; |
| 599 |
|
| 600 |
len = wdscan(wp, EOS) - wp; |
| 601 |
return (memcpy(alloc(len, ap), wp, len)); |
| 602 |
} |
| 603 |
|
| 604 |
/* return the position of prefix c in wp plus 1 */ |
| 605 |
const char * |
| 606 |
wdscan(const char *wp, int c) |
| 607 |
{ |
| 608 |
int nest = 0; |
| 609 |
|
| 610 |
while (/* CONSTCOND */ 1) |
| 611 |
switch (*wp++) { |
| 612 |
case EOS: |
| 613 |
return (wp); |
| 614 |
case ADELIM: |
| 615 |
if (c == ADELIM && nest == 0) |
| 616 |
return (wp + 1); |
| 617 |
if (ord(*wp) == ORD(/*{*/ '}')) |
| 618 |
goto wdscan_csubst; |
| 619 |
/* FALLTHROUGH */ |
| 620 |
case CHAR: |
| 621 |
case QCHAR: |
| 622 |
wp++; |
| 623 |
break; |
| 624 |
case COMASUB: |
| 625 |
case COMSUB: |
| 626 |
case FUNASUB: |
| 627 |
case FUNSUB: |
| 628 |
case VALSUB: |
| 629 |
case EXPRSUB: |
| 630 |
while (*wp++ != 0) |
| 631 |
; |
| 632 |
break; |
| 633 |
case OQUOTE: |
| 634 |
case CQUOTE: |
| 635 |
break; |
| 636 |
case OSUBST: |
| 637 |
nest++; |
| 638 |
while (*wp++ != '\0') |
| 639 |
; |
| 640 |
break; |
| 641 |
case CSUBST: |
| 642 |
wdscan_csubst: |
| 643 |
wp++; |
| 644 |
if (c == CSUBST && nest == 0) |
| 645 |
return (wp); |
| 646 |
nest--; |
| 647 |
break; |
| 648 |
case OPAT: |
| 649 |
nest++; |
| 650 |
wp++; |
| 651 |
break; |
| 652 |
case SPAT: |
| 653 |
case CPAT: |
| 654 |
if (c == wp[-1] && nest == 0) |
| 655 |
return (wp); |
| 656 |
if (wp[-1] == CPAT) |
| 657 |
nest--; |
| 658 |
break; |
| 659 |
default: |
| 660 |
internal_warningf( |
| 661 |
"wdscan: unknown char 0x%X (carrying on)", |
| 662 |
(unsigned char)wp[-1]); |
| 663 |
} |
| 664 |
} |
| 665 |
|
| 666 |
/* |
| 667 |
* return a copy of wp without any of the mark up characters and with |
| 668 |
* quote characters (" ' \) stripped. (string is allocated from ATEMP) |
| 669 |
*/ |
| 670 |
char * |
| 671 |
wdstrip(const char *wp, int opmode) |
| 672 |
{ |
| 673 |
struct shf shf; |
| 674 |
|
| 675 |
shf_sopen(NULL, 32, SHF_WR | SHF_DYNAMIC, &shf); |
| 676 |
wdvarput(&shf, wp, 0, opmode); |
| 677 |
/* shf_sclose NUL terminates */ |
| 678 |
return (shf_sclose(&shf)); |
| 679 |
} |
| 680 |
|
| 681 |
static struct ioword ** |
| 682 |
iocopy(struct ioword **iow, Area *ap) |
| 683 |
{ |
| 684 |
struct ioword **ior; |
| 685 |
int i; |
| 686 |
|
| 687 |
ior = iow; |
| 688 |
while (*ior) |
| 689 |
++ior; |
| 690 |
ior = alloc2(ior - iow + 1, sizeof(struct ioword *), ap); |
| 691 |
|
| 692 |
for (i = 0; iow[i] != NULL; i++) { |
| 693 |
struct ioword *p, *q; |
| 694 |
|
| 695 |
p = iow[i]; |
| 696 |
q = alloc(sizeof(struct ioword), ap); |
| 697 |
ior[i] = q; |
| 698 |
*q = *p; |
| 699 |
if (p->ioname != NULL) |
| 700 |
q->ioname = wdcopy(p->ioname, ap); |
| 701 |
if (p->delim != NULL) |
| 702 |
q->delim = wdcopy(p->delim, ap); |
| 703 |
if (p->heredoc != NULL) |
| 704 |
strdupx(q->heredoc, p->heredoc, ap); |
| 705 |
} |
| 706 |
ior[i] = NULL; |
| 707 |
|
| 708 |
return (ior); |
| 709 |
} |
| 710 |
|
| 711 |
/* |
| 712 |
* free tree (for function definition) |
| 713 |
*/ |
| 714 |
void |
| 715 |
tfree(struct op *t, Area *ap) |
| 716 |
{ |
| 717 |
char **w; |
| 718 |
|
| 719 |
if (t == NULL) |
| 720 |
return; |
| 721 |
|
| 722 |
afree(t->str, ap); |
| 723 |
|
| 724 |
if (t->vars != NULL) { |
| 725 |
for (w = t->vars; *w != NULL; w++) |
| 726 |
afree(*w, ap); |
| 727 |
afree(t->vars, ap); |
| 728 |
} |
| 729 |
|
| 730 |
if (t->args != NULL) { |
| 731 |
/*XXX we assume the caller is right */ |
| 732 |
union mksh_ccphack cw; |
| 733 |
|
| 734 |
cw.ro = t->args; |
| 735 |
for (w = cw.rw; *w != NULL; w++) |
| 736 |
afree(*w, ap); |
| 737 |
afree(t->args, ap); |
| 738 |
} |
| 739 |
|
| 740 |
if (t->ioact != NULL) |
| 741 |
iofree(t->ioact, ap); |
| 742 |
|
| 743 |
tfree(t->left, ap); |
| 744 |
tfree(t->right, ap); |
| 745 |
|
| 746 |
afree(t, ap); |
| 747 |
} |
| 748 |
|
| 749 |
static void |
| 750 |
iofree(struct ioword **iow, Area *ap) |
| 751 |
{ |
| 752 |
struct ioword **iop; |
| 753 |
struct ioword *p; |
| 754 |
|
| 755 |
iop = iow; |
| 756 |
while ((p = *iop++) != NULL) { |
| 757 |
afree(p->ioname, ap); |
| 758 |
afree(p->delim, ap); |
| 759 |
afree(p->heredoc, ap); |
| 760 |
afree(p, ap); |
| 761 |
} |
| 762 |
afree(iow, ap); |
| 763 |
} |
| 764 |
|
| 765 |
void |
| 766 |
fpFUNCTf(struct shf *shf, int i, bool isksh, const char *k, struct op *v) |
| 767 |
{ |
| 768 |
if (isksh) |
| 769 |
fptreef(shf, i, "%s %s %T", Tfunction, k, v); |
| 770 |
else if (ktsearch(&keywords, k, hash(k))) |
| 771 |
fptreef(shf, i, "%s %s() %T", Tfunction, k, v); |
| 772 |
else |
| 773 |
fptreef(shf, i, "%s() %T", k, v); |
| 774 |
} |
| 775 |
|
| 776 |
|
| 777 |
/* for jobs.c */ |
| 778 |
void |
| 779 |
vistree(char *dst, size_t sz, struct op *t) |
| 780 |
{ |
| 781 |
unsigned int c; |
| 782 |
char *cp, *buf; |
| 783 |
size_t n; |
| 784 |
|
| 785 |
buf = alloc(sz + 16, ATEMP); |
| 786 |
snptreef(buf, sz + 16, Tf_T, t); |
| 787 |
cp = buf; |
| 788 |
vist_loop: |
| 789 |
if (UTFMODE && (n = utf_mbtowc(&c, cp)) != (size_t)-1) { |
| 790 |
if (c == 0 || n >= sz) |
| 791 |
/* NUL or not enough free space */ |
| 792 |
goto vist_out; |
| 793 |
/* copy multibyte char */ |
| 794 |
sz -= n; |
| 795 |
while (n--) |
| 796 |
*dst++ = *cp++; |
| 797 |
goto vist_loop; |
| 798 |
} |
| 799 |
if (--sz == 0 || (c = ord(*cp++)) == 0) |
| 800 |
/* NUL or not enough free space */ |
| 801 |
goto vist_out; |
| 802 |
if (ksh_isctrl(c)) { |
| 803 |
/* C0 or C1 control character or DEL */ |
| 804 |
if (--sz == 0) |
| 805 |
/* not enough free space for two chars */ |
| 806 |
goto vist_out; |
| 807 |
*dst++ = '^'; |
| 808 |
c = ksh_unctrl(c); |
| 809 |
} else if (UTFMODE && rtt2asc(c) > 0x7F) { |
| 810 |
/* better not try to display broken multibyte chars */ |
| 811 |
/* also go easy on the Unicode: no U+FFFD here */ |
| 812 |
c = ORD('?'); |
| 813 |
} |
| 814 |
*dst++ = c; |
| 815 |
goto vist_loop; |
| 816 |
|
| 817 |
vist_out: |
| 818 |
*dst = '\0'; |
| 819 |
afree(buf, ATEMP); |
| 820 |
} |
| 821 |
|
| 822 |
#ifdef DEBUG |
| 823 |
void |
| 824 |
dumpchar(struct shf *shf, int c) |
| 825 |
{ |
| 826 |
if (ksh_isctrl(c)) { |
| 827 |
/* C0 or C1 control character or DEL */ |
| 828 |
shf_putc('^', shf); |
| 829 |
c = ksh_unctrl(c); |
| 830 |
} |
| 831 |
shf_putc(c, shf); |
| 832 |
} |
| 833 |
|
| 834 |
/* see: wdvarput */ |
| 835 |
static const char * |
| 836 |
dumpwdvar_i(struct shf *shf, const char *wp, int quotelevel) |
| 837 |
{ |
| 838 |
int c; |
| 839 |
|
| 840 |
while (/* CONSTCOND */ 1) { |
| 841 |
switch(*wp++) { |
| 842 |
case EOS: |
| 843 |
shf_puts("EOS", shf); |
| 844 |
return (--wp); |
| 845 |
case ADELIM: |
| 846 |
if (ord(*wp) == ORD(/*{*/ '}')) { |
| 847 |
shf_puts(/*{*/ "]ADELIM(})", shf); |
| 848 |
return (wp + 1); |
| 849 |
} |
| 850 |
shf_puts("ADELIM=", shf); |
| 851 |
if (0) |
| 852 |
/* FALLTHROUGH */ |
| 853 |
case CHAR: |
| 854 |
shf_puts("CHAR=", shf); |
| 855 |
dumpchar(shf, *wp++); |
| 856 |
break; |
| 857 |
case QCHAR: |
| 858 |
shf_puts("QCHAR<", shf); |
| 859 |
c = ord(*wp++); |
| 860 |
if (quotelevel == 0 || c == ORD('"') || |
| 861 |
c == ORD('\\') || ctype(c, C_DOLAR | C_GRAVE)) |
| 862 |
shf_putc('\\', shf); |
| 863 |
dumpchar(shf, c); |
| 864 |
goto closeandout; |
| 865 |
case COMASUB: |
| 866 |
shf_puts("COMASUB<", shf); |
| 867 |
goto dumpsub; |
| 868 |
case COMSUB: |
| 869 |
shf_puts("COMSUB<", shf); |
| 870 |
dumpsub: |
| 871 |
while ((c = *wp++) != 0) |
| 872 |
dumpchar(shf, c); |
| 873 |
closeandout: |
| 874 |
shf_putc('>', shf); |
| 875 |
break; |
| 876 |
case FUNASUB: |
| 877 |
shf_puts("FUNASUB<", shf); |
| 878 |
goto dumpsub; |
| 879 |
case FUNSUB: |
| 880 |
shf_puts("FUNSUB<", shf); |
| 881 |
goto dumpsub; |
| 882 |
case VALSUB: |
| 883 |
shf_puts("VALSUB<", shf); |
| 884 |
goto dumpsub; |
| 885 |
case EXPRSUB: |
| 886 |
shf_puts("EXPRSUB<", shf); |
| 887 |
goto dumpsub; |
| 888 |
case OQUOTE: |
| 889 |
shf_fprintf(shf, "OQUOTE{%d" /*}*/, ++quotelevel); |
| 890 |
break; |
| 891 |
case CQUOTE: |
| 892 |
shf_fprintf(shf, /*{*/ "%d}CQUOTE", quotelevel); |
| 893 |
if (quotelevel) |
| 894 |
quotelevel--; |
| 895 |
else |
| 896 |
shf_puts("(err)", shf); |
| 897 |
break; |
| 898 |
case OSUBST: |
| 899 |
shf_puts("OSUBST(", shf); |
| 900 |
dumpchar(shf, *wp++); |
| 901 |
shf_puts(")[", shf); |
| 902 |
while ((c = *wp++) != 0) |
| 903 |
dumpchar(shf, c); |
| 904 |
shf_putc('|', shf); |
| 905 |
wp = dumpwdvar_i(shf, wp, 0); |
| 906 |
break; |
| 907 |
case CSUBST: |
| 908 |
shf_puts("]CSUBST(", shf); |
| 909 |
dumpchar(shf, *wp++); |
| 910 |
shf_putc(')', shf); |
| 911 |
return (wp); |
| 912 |
case OPAT: |
| 913 |
shf_puts("OPAT=", shf); |
| 914 |
dumpchar(shf, *wp++); |
| 915 |
break; |
| 916 |
case SPAT: |
| 917 |
shf_puts("SPAT", shf); |
| 918 |
break; |
| 919 |
case CPAT: |
| 920 |
shf_puts("CPAT", shf); |
| 921 |
break; |
| 922 |
default: |
| 923 |
shf_fprintf(shf, "INVAL<%u>", (uint8_t)wp[-1]); |
| 924 |
break; |
| 925 |
} |
| 926 |
shf_putc(' ', shf); |
| 927 |
} |
| 928 |
} |
| 929 |
void |
| 930 |
dumpwdvar(struct shf *shf, const char *wp) |
| 931 |
{ |
| 932 |
dumpwdvar_i(shf, wp, 0); |
| 933 |
} |
| 934 |
|
| 935 |
void |
| 936 |
dumpioact(struct shf *shf, struct op *t) |
| 937 |
{ |
| 938 |
struct ioword **ioact, *iop; |
| 939 |
|
| 940 |
if ((ioact = t->ioact) == NULL) |
| 941 |
return; |
| 942 |
|
| 943 |
shf_puts("{IOACT", shf); |
| 944 |
while ((iop = *ioact++) != NULL) { |
| 945 |
unsigned short type = iop->ioflag & IOTYPE; |
| 946 |
#define DT(x) case x: shf_puts(#x, shf); break; |
| 947 |
#define DB(x) if (iop->ioflag & x) shf_puts("|" #x, shf); |
| 948 |
|
| 949 |
shf_putc(';', shf); |
| 950 |
switch (type) { |
| 951 |
DT(IOREAD) |
| 952 |
DT(IOWRITE) |
| 953 |
DT(IORDWR) |
| 954 |
DT(IOHERE) |
| 955 |
DT(IOCAT) |
| 956 |
DT(IODUP) |
| 957 |
default: |
| 958 |
shf_fprintf(shf, "unk%d", type); |
| 959 |
} |
| 960 |
DB(IOEVAL) |
| 961 |
DB(IOSKIP) |
| 962 |
DB(IOCLOB) |
| 963 |
DB(IORDUP) |
| 964 |
DB(IONAMEXP) |
| 965 |
DB(IOBASH) |
| 966 |
DB(IOHERESTR) |
| 967 |
DB(IONDELIM) |
| 968 |
shf_fprintf(shf, ",unit=%d", (int)iop->unit); |
| 969 |
if (iop->delim && !(iop->ioflag & IONDELIM)) { |
| 970 |
shf_puts(",delim<", shf); |
| 971 |
dumpwdvar(shf, iop->delim); |
| 972 |
shf_putc('>', shf); |
| 973 |
} |
| 974 |
if (iop->ioname) { |
| 975 |
if (iop->ioflag & IONAMEXP) { |
| 976 |
shf_puts(",name=", shf); |
| 977 |
print_value_quoted(shf, iop->ioname); |
| 978 |
} else { |
| 979 |
shf_puts(",name<", shf); |
| 980 |
dumpwdvar(shf, iop->ioname); |
| 981 |
shf_putc('>', shf); |
| 982 |
} |
| 983 |
} |
| 984 |
if (iop->heredoc) { |
| 985 |
shf_puts(",heredoc=", shf); |
| 986 |
print_value_quoted(shf, iop->heredoc); |
| 987 |
} |
| 988 |
#undef DT |
| 989 |
#undef DB |
| 990 |
} |
| 991 |
shf_putc('}', shf); |
| 992 |
} |
| 993 |
|
| 994 |
void |
| 995 |
dumptree(struct shf *shf, struct op *t) |
| 996 |
{ |
| 997 |
int i, j; |
| 998 |
const char **w, *name; |
| 999 |
struct op *t1; |
| 1000 |
static int nesting; |
| 1001 |
|
| 1002 |
for (i = 0; i < nesting; ++i) |
| 1003 |
shf_putc('\t', shf); |
| 1004 |
++nesting; |
| 1005 |
shf_puts("{tree:" /*}*/, shf); |
| 1006 |
if (t == NULL) { |
| 1007 |
name = "(null)"; |
| 1008 |
goto out; |
| 1009 |
} |
| 1010 |
dumpioact(shf, t); |
| 1011 |
switch (t->type) { |
| 1012 |
#define OPEN(x) case x: name = #x; shf_puts(" {" #x ":", shf); /*}*/ |
| 1013 |
|
| 1014 |
OPEN(TCOM) |
| 1015 |
if (t->vars) { |
| 1016 |
i = 0; |
| 1017 |
w = (const char **)t->vars; |
| 1018 |
while (*w) { |
| 1019 |
shf_putc('\n', shf); |
| 1020 |
for (j = 0; j < nesting; ++j) |
| 1021 |
shf_putc('\t', shf); |
| 1022 |
shf_fprintf(shf, " var%d<", i++); |
| 1023 |
dumpwdvar(shf, *w++); |
| 1024 |
shf_putc('>', shf); |
| 1025 |
} |
| 1026 |
} else |
| 1027 |
shf_puts(" #no-vars#", shf); |
| 1028 |
if (t->args) { |
| 1029 |
i = 0; |
| 1030 |
w = t->args; |
| 1031 |
while (*w) { |
| 1032 |
shf_putc('\n', shf); |
| 1033 |
for (j = 0; j < nesting; ++j) |
| 1034 |
shf_putc('\t', shf); |
| 1035 |
shf_fprintf(shf, " arg%d<", i++); |
| 1036 |
dumpwdvar(shf, *w++); |
| 1037 |
shf_putc('>', shf); |
| 1038 |
} |
| 1039 |
} else |
| 1040 |
shf_puts(" #no-args#", shf); |
| 1041 |
break; |
| 1042 |
OPEN(TEXEC) |
| 1043 |
dumpleftandout: |
| 1044 |
t = t->left; |
| 1045 |
dumpandout: |
| 1046 |
shf_putc('\n', shf); |
| 1047 |
dumptree(shf, t); |
| 1048 |
break; |
| 1049 |
OPEN(TPAREN) |
| 1050 |
goto dumpleftandout; |
| 1051 |
OPEN(TPIPE) |
| 1052 |
dumpleftmidrightandout: |
| 1053 |
shf_putc('\n', shf); |
| 1054 |
dumptree(shf, t->left); |
| 1055 |
/* middumprightandout: (unused) */ |
| 1056 |
shf_fprintf(shf, "/%s:", name); |
| 1057 |
dumprightandout: |
| 1058 |
t = t->right; |
| 1059 |
goto dumpandout; |
| 1060 |
OPEN(TLIST) |
| 1061 |
goto dumpleftmidrightandout; |
| 1062 |
OPEN(TOR) |
| 1063 |
goto dumpleftmidrightandout; |
| 1064 |
OPEN(TAND) |
| 1065 |
goto dumpleftmidrightandout; |
| 1066 |
OPEN(TBANG) |
| 1067 |
goto dumprightandout; |
| 1068 |
OPEN(TDBRACKET) |
| 1069 |
i = 0; |
| 1070 |
w = t->args; |
| 1071 |
while (*w) { |
| 1072 |
shf_putc('\n', shf); |
| 1073 |
for (j = 0; j < nesting; ++j) |
| 1074 |
shf_putc('\t', shf); |
| 1075 |
shf_fprintf(shf, " arg%d<", i++); |
| 1076 |
dumpwdvar(shf, *w++); |
| 1077 |
shf_putc('>', shf); |
| 1078 |
} |
| 1079 |
break; |
| 1080 |
OPEN(TFOR) |
| 1081 |
dumpfor: |
| 1082 |
shf_fprintf(shf, " str<%s>", t->str); |
| 1083 |
if (t->vars != NULL) { |
| 1084 |
i = 0; |
| 1085 |
w = (const char **)t->vars; |
| 1086 |
while (*w) { |
| 1087 |
shf_putc('\n', shf); |
| 1088 |
for (j = 0; j < nesting; ++j) |
| 1089 |
shf_putc('\t', shf); |
| 1090 |
shf_fprintf(shf, " var%d<", i++); |
| 1091 |
dumpwdvar(shf, *w++); |
| 1092 |
shf_putc('>', shf); |
| 1093 |
} |
| 1094 |
} |
| 1095 |
goto dumpleftandout; |
| 1096 |
OPEN(TSELECT) |
| 1097 |
goto dumpfor; |
| 1098 |
OPEN(TCASE) |
| 1099 |
shf_fprintf(shf, " str<%s>", t->str); |
| 1100 |
i = 0; |
| 1101 |
for (t1 = t->left; t1 != NULL; t1 = t1->right) { |
| 1102 |
shf_putc('\n', shf); |
| 1103 |
for (j = 0; j < nesting; ++j) |
| 1104 |
shf_putc('\t', shf); |
| 1105 |
shf_fprintf(shf, " sub%d[(", i); |
| 1106 |
w = (const char **)t1->vars; |
| 1107 |
while (*w) { |
| 1108 |
dumpwdvar(shf, *w); |
| 1109 |
if (w[1] != NULL) |
| 1110 |
shf_putc('|', shf); |
| 1111 |
++w; |
| 1112 |
} |
| 1113 |
shf_putc(')', shf); |
| 1114 |
dumpioact(shf, t); |
| 1115 |
shf_putc('\n', shf); |
| 1116 |
dumptree(shf, t1->left); |
| 1117 |
shf_fprintf(shf, " ;%c/%d]", t1->u.charflag, i++); |
| 1118 |
} |
| 1119 |
break; |
| 1120 |
OPEN(TWHILE) |
| 1121 |
goto dumpleftmidrightandout; |
| 1122 |
OPEN(TUNTIL) |
| 1123 |
goto dumpleftmidrightandout; |
| 1124 |
OPEN(TBRACE) |
| 1125 |
goto dumpleftandout; |
| 1126 |
OPEN(TCOPROC) |
| 1127 |
goto dumpleftandout; |
| 1128 |
OPEN(TASYNC) |
| 1129 |
goto dumpleftandout; |
| 1130 |
OPEN(TFUNCT) |
| 1131 |
shf_fprintf(shf, " str<%s> ksh<%s>", t->str, |
| 1132 |
t->u.ksh_func ? Ttrue : Tfalse); |
| 1133 |
goto dumpleftandout; |
| 1134 |
OPEN(TTIME) |
| 1135 |
goto dumpleftandout; |
| 1136 |
OPEN(TIF) |
| 1137 |
dumpif: |
| 1138 |
shf_putc('\n', shf); |
| 1139 |
dumptree(shf, t->left); |
| 1140 |
t = t->right; |
| 1141 |
dumpioact(shf, t); |
| 1142 |
if (t->left != NULL) { |
| 1143 |
shf_puts(" /TTHEN:\n", shf); |
| 1144 |
dumptree(shf, t->left); |
| 1145 |
} |
| 1146 |
if (t->right && t->right->type == TELIF) { |
| 1147 |
shf_puts(" /TELIF:", shf); |
| 1148 |
t = t->right; |
| 1149 |
dumpioact(shf, t); |
| 1150 |
goto dumpif; |
| 1151 |
} |
| 1152 |
if (t->right != NULL) { |
| 1153 |
shf_puts(" /TELSE:\n", shf); |
| 1154 |
dumptree(shf, t->right); |
| 1155 |
} |
| 1156 |
break; |
| 1157 |
OPEN(TEOF) |
| 1158 |
dumpunexpected: |
| 1159 |
shf_puts(Tunexpected, shf); |
| 1160 |
break; |
| 1161 |
OPEN(TELIF) |
| 1162 |
goto dumpunexpected; |
| 1163 |
OPEN(TPAT) |
| 1164 |
goto dumpunexpected; |
| 1165 |
default: |
| 1166 |
name = "TINVALID"; |
| 1167 |
shf_fprintf(shf, "{T<%d>:" /*}*/, t->type); |
| 1168 |
goto dumpunexpected; |
| 1169 |
|
| 1170 |
#undef OPEN |
| 1171 |
} |
| 1172 |
out: |
| 1173 |
shf_fprintf(shf, /*{*/ " /%s}\n", name); |
| 1174 |
--nesting; |
| 1175 |
} |
| 1176 |
#endif |
