| File: | src/usr.bin/make/parse.c |
| Warning: | line 1303, column 4 Value stored to 'paren_to_match' is never read |
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| 1 | /* $OpenBSD: parse.c,v 1.136 2023/09/04 11:35:11 espie Exp $ */ |
| 2 | /* $NetBSD: parse.c,v 1.29 1997/03/10 21:20:04 christos Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 1999 Marc Espie. |
| 6 | * |
| 7 | * Extensive code changes for the OpenBSD project. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS |
| 19 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD |
| 22 | * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | /* |
| 31 | * Copyright (c) 1988, 1989, 1990, 1993 |
| 32 | * The Regents of the University of California. All rights reserved. |
| 33 | * Copyright (c) 1989 by Berkeley Softworks |
| 34 | * All rights reserved. |
| 35 | * |
| 36 | * This code is derived from software contributed to Berkeley by |
| 37 | * Adam de Boor. |
| 38 | * |
| 39 | * Redistribution and use in source and binary forms, with or without |
| 40 | * modification, are permitted provided that the following conditions |
| 41 | * are met: |
| 42 | * 1. Redistributions of source code must retain the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer. |
| 44 | * 2. Redistributions in binary form must reproduce the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer in the |
| 46 | * documentation and/or other materials provided with the distribution. |
| 47 | * 3. Neither the name of the University nor the names of its contributors |
| 48 | * may be used to endorse or promote products derived from this software |
| 49 | * without specific prior written permission. |
| 50 | * |
| 51 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 52 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 53 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 54 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 55 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 56 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 57 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 58 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 59 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 60 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 61 | * SUCH DAMAGE. |
| 62 | */ |
| 63 | |
| 64 | #include <assert.h> |
| 65 | #include <ctype.h> |
| 66 | #include <stddef.h> |
| 67 | #include <stdio.h> |
| 68 | #include <stdlib.h> |
| 69 | #include <string.h> |
| 70 | #include <ohash.h> |
| 71 | #include "defines.h" |
| 72 | #include "dir.h" |
| 73 | #include "direxpand.h" |
| 74 | #include "job.h" |
| 75 | #include "buf.h" |
| 76 | #include "for.h" |
| 77 | #include "lowparse.h" |
| 78 | #include "arch.h" |
| 79 | #include "cond.h" |
| 80 | #include "suff.h" |
| 81 | #include "parse.h" |
| 82 | #include "var.h" |
| 83 | #include "targ.h" |
| 84 | #include "error.h" |
| 85 | #include "str.h" |
| 86 | #include "main.h" |
| 87 | #include "gnode.h" |
| 88 | #include "memory.h" |
| 89 | #include "extern.h" |
| 90 | #include "lst.h" |
| 91 | #include "parsevar.h" |
| 92 | #include "stats.h" |
| 93 | #include "garray.h" |
| 94 | #include "node_int.h" |
| 95 | #include "nodehashconsts.h" |
| 96 | |
| 97 | |
| 98 | /* gsources and gtargets should be local to some functions, but they're |
| 99 | * set as persistent arrays for performance reasons. |
| 100 | */ |
| 101 | static struct growableArray gsources, gtargets; |
| 102 | static struct ohash htargets; |
| 103 | static bool_Bool htargets_setup = false0; |
| 104 | #define SOURCES_SIZE128 128 |
| 105 | #define TARGETS_SIZE32 32 |
| 106 | |
| 107 | static LIST theUserIncPath;/* list of directories for "..." includes */ |
| 108 | static LIST theSysIncPath; /* list of directories for <...> includes */ |
| 109 | Lst systemIncludePath = &theSysIncPath; |
| 110 | Lst userIncludePath = &theUserIncPath; |
| 111 | |
| 112 | static GNode *mainNode; /* The main target to create. This is the |
| 113 | * first target on the first dependency |
| 114 | * line in the first makefile */ |
| 115 | /*- |
| 116 | * specType contains the special TYPE of the current target. It is |
| 117 | * SPECIAL_NONE if the target is unspecial. If it *is* special, however, |
| 118 | * the children are linked as children of the parent but not vice versa. |
| 119 | * This variable is set in ParseDoDependency |
| 120 | */ |
| 121 | |
| 122 | static unsigned int specType; |
| 123 | static int waiting; |
| 124 | |
| 125 | /* |
| 126 | * Predecessor node for handling .ORDER. Initialized to NULL when .ORDER |
| 127 | * seen, then set to each successive source on the line. |
| 128 | */ |
| 129 | static GNode *predecessor; |
| 130 | |
| 131 | static void ParseLinkSrc(GNode *, GNode *); |
| 132 | static int ParseDoOp(GNode **, unsigned int); |
| 133 | static void ParseDoSpecial(GNode *, unsigned int); |
| 134 | static int ParseAddDep(GNode *, GNode *); |
| 135 | static void ParseDoSrc(struct growableArray *, struct growableArray *, int, |
| 136 | const char *, const char *); |
| 137 | static int ParseFindMain(void *, void *); |
| 138 | static void ParseClearPath(void *); |
| 139 | |
| 140 | static void add_target_node(const char *, const char *); |
| 141 | static void add_target_nodes(const char *, const char *); |
| 142 | static void apply_op(struct growableArray *, unsigned int, GNode *); |
| 143 | static void ParseDoDependency(const char *); |
| 144 | static void ParseAddCmd(void *, void *); |
| 145 | static void ParseHasCommands(void *); |
| 146 | static bool_Bool handle_poison(const char *); |
| 147 | static bool_Bool handle_for_loop(Buffer, const char *); |
| 148 | static bool_Bool handle_undef(const char *); |
| 149 | #define ParseReadLoopLine(linebuf)Parse_ReadUnparsedLine(linebuf, "for loop") Parse_ReadUnparsedLine(linebuf, "for loop") |
| 150 | static bool_Bool handle_bsd_command(Buffer, Buffer, const char *); |
| 151 | static bool_Bool register_target(GNode *, struct ohash *); |
| 152 | static char *strip_comments(Buffer, const char *); |
| 153 | static char *resolve_include_filename(const char *, const char *, bool_Bool); |
| 154 | static void handle_include_file(const char *, const char *, bool_Bool, bool_Bool); |
| 155 | static bool_Bool lookup_bsd_include(const char *); |
| 156 | static void lookup_sysv_style_include(const char *, const char *, bool_Bool); |
| 157 | static void lookup_sysv_include(const char *, const char *); |
| 158 | static void lookup_conditional_include(const char *, const char *); |
| 159 | static bool_Bool parse_as_special_line(Buffer, Buffer, const char *); |
| 160 | static unsigned int parse_operator(const char **); |
| 161 | |
| 162 | static const char *parse_do_targets(Lst, unsigned int *, const char *); |
| 163 | static void parse_target_line(struct growableArray *, const char *, |
| 164 | const char *, bool_Bool *); |
| 165 | |
| 166 | static void finish_commands(struct growableArray *); |
| 167 | static void parse_commands(struct growableArray *, const char *); |
| 168 | static void create_special_nodes(void); |
| 169 | static bool_Bool found_delimiter(const char *); |
| 170 | static unsigned int handle_special_targets(Lst); |
| 171 | static void dump_targets(void); |
| 172 | static void dedup_targets(struct growableArray *); |
| 173 | static void build_target_group(struct growableArray *, struct ohash *t); |
| 174 | static void reset_target_hash(void); |
| 175 | |
| 176 | |
| 177 | #define P(k) k, sizeof(k), K_##k |
| 178 | |
| 179 | static struct { |
| 180 | const char *keyword; |
| 181 | size_t sz; |
| 182 | uint32_t hv; |
| 183 | unsigned int special; |
| 184 | unsigned int special_op; |
| 185 | } specials[] = { |
| 186 | { P(NODE_EXEC".EXEC"), SPECIAL_DEPRECATED7U, 0 }, |
| 187 | { P(NODE_IGNORE".IGNORE"), SPECIAL_IGNORE5U, OP_IGNORE0x00000040 }, |
| 188 | { P(NODE_INCLUDES".INCLUDES"), SPECIAL_DEPRECATED7U, 0 }, |
| 189 | { P(NODE_INVISIBLE".INVISIBLE"), SPECIAL_DEPRECATED7U, 0 }, |
| 190 | { P(NODE_JOIN".JOIN"), SPECIAL_DEPRECATED7U, 0 }, |
| 191 | { P(NODE_LIBS".LIBS"), SPECIAL_DEPRECATED7U, 0 }, |
| 192 | { P(NODE_MADE".MADE"), SPECIAL_DEPRECATED7U, 0 }, |
| 193 | { P(NODE_MAIN".MAIN"), SPECIAL_MAIN12U, 0 }, |
| 194 | { P(NODE_MAKE".MAKE"), SPECIAL_MAKE13U, OP_MAKE0x00000200 }, |
| 195 | { P(NODE_MAKEFLAGS".MAKEFLAGS"), SPECIAL_MFLAGS14U, 0 }, |
| 196 | { P(NODE_MFLAGS".MFLAGS"), SPECIAL_MFLAGS14U, 0 }, |
| 197 | { P(NODE_NOTMAIN".NOTMAIN"), SPECIAL_NOTMAIN15U, OP_NOTMAIN0x00002000 }, |
| 198 | { P(NODE_NOTPARALLEL".NOTPARALLEL"), SPECIAL_NOTPARALLEL16U, 0 }, |
| 199 | { P(NODE_NO_PARALLEL".NOPARALLEL"), SPECIAL_NOTPARALLEL16U, 0 }, |
| 200 | { P(NODE_NULL".NULL"), SPECIAL_DEPRECATED7U, 0 }, |
| 201 | { P(NODE_OPTIONAL".OPTIONAL"), SPECIAL_OPTIONAL18U, OP_OPTIONAL0x00000008 }, |
| 202 | { P(NODE_ORDER".ORDER"), SPECIAL_ORDER19U, 0 }, |
| 203 | { P(NODE_PARALLEL".PARALLEL"), SPECIAL_PARALLEL20U, 0 }, |
| 204 | { P(NODE_PATH".PATH"), SPECIAL_PATH62U, 0 }, |
| 205 | { P(NODE_PHONY".PHONY"), SPECIAL_PHONY22U, OP_PHONY0x00004000 }, |
| 206 | { P(NODE_PRECIOUS".PRECIOUS"), SPECIAL_PRECIOUS23U, OP_PRECIOUS0x00000080 }, |
| 207 | { P(NODE_RECURSIVE".RECURSIVE"), SPECIAL_MAKE13U, OP_MAKE0x00000200 }, |
| 208 | { P(NODE_SILENT".SILENT"), SPECIAL_SILENT25U, OP_SILENT0x00000100 }, |
| 209 | { P(NODE_SINGLESHELL".SINGLESHELL"), SPECIAL_NOTHING6U, 0 }, |
| 210 | { P(NODE_SUFFIXES".SUFFIXES"), SPECIAL_SUFFIXES27U, 0 }, |
| 211 | { P(NODE_USE".USE"), SPECIAL_USE28U, OP_USE0x00000010 }, |
| 212 | { P(NODE_WAIT".WAIT"), SPECIAL_WAIT29U, 0 }, |
| 213 | { P(NODE_CHEAP".CHEAP"), SPECIAL_CHEAP32U, OP_CHEAP0x02000000 }, |
| 214 | { P(NODE_EXPENSIVE".EXPENSIVE"), SPECIAL_EXPENSIVE33U, OP_EXPENSIVE0x04000000 }, |
| 215 | { P(NODE_POSIX".POSIX"), SPECIAL_NOTHING6U, 0 }, |
| 216 | { P(NODE_SCCS_GET".SCCS_GET"), SPECIAL_NOTHING6U, 0 }, |
| 217 | }; |
| 218 | |
| 219 | #undef P |
| 220 | |
| 221 | static void |
| 222 | create_special_nodes() |
| 223 | { |
| 224 | unsigned int i; |
| 225 | |
| 226 | for (i = 0; i < sizeof(specials)/sizeof(specials[0]); i++) { |
| 227 | (void)Targ_mk_special_node(specials[i].keyword, |
| 228 | specials[i].sz, specials[i].hv, |
| 229 | OP_ZERO0x00000000, specials[i].special, specials[i].special_op); |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | /*- |
| 234 | *--------------------------------------------------------------------- |
| 235 | * ParseLinkSrc -- |
| 236 | * Link the parent node to its new child. Used by |
| 237 | * ParseDoDependency. If the specType isn't 'Not', the parent |
| 238 | * isn't linked as a parent of the child. |
| 239 | * |
| 240 | * Side Effects: |
| 241 | * New elements are added to the parents list of cgn and the |
| 242 | * children list of cgn. the children_left field of pgn is updated |
| 243 | * to reflect the additional child. |
| 244 | *--------------------------------------------------------------------- |
| 245 | */ |
| 246 | static void |
| 247 | ParseLinkSrc(GNode *pgn, GNode *cgn) |
| 248 | { |
| 249 | if (Lst_AddNew(&pgn->children, cgn)) { |
| 250 | if (specType == SPECIAL_NONE0U) |
| 251 | Lst_AtEnd(&cgn->parents, pgn); |
| 252 | pgn->children_left++; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | static char * |
| 257 | operator_string(int op) |
| 258 | { |
| 259 | /* XXX we don't bother freeing this, it's used for a fatal error |
| 260 | * anyways |
| 261 | */ |
| 262 | char *result = emalloc(5); |
| 263 | char *t = result; |
| 264 | if (op & OP_DEPENDS0x00000001) { |
| 265 | *t++ = ':'; |
| 266 | } |
| 267 | if (op & OP_FORCE0x00000002) { |
| 268 | *t++ = '!'; |
| 269 | } |
| 270 | if (op & OP_DOUBLEDEP0x00000004) { |
| 271 | *t++ = ':'; |
| 272 | *t++ = ':'; |
| 273 | } |
| 274 | *t = 0; |
| 275 | return result; |
| 276 | } |
| 277 | |
| 278 | /*- |
| 279 | *--------------------------------------------------------------------- |
| 280 | * ParseDoOp -- |
| 281 | * Apply the parsed operator to the given target node. Used in a |
| 282 | * Array_Find call by ParseDoDependency once all targets have |
| 283 | * been found and their operator parsed. If the previous and new |
| 284 | * operators are incompatible, a major error is taken, and the find |
| 285 | * stops early |
| 286 | * |
| 287 | * Side Effects: |
| 288 | * The node gets the right dependency operator. |
| 289 | * Cohorts may be created for double dep. |
| 290 | *--------------------------------------------------------------------- |
| 291 | */ |
| 292 | static int |
| 293 | ParseDoOp(GNode **gnp, unsigned int op) |
| 294 | { |
| 295 | GNode *gn = *gnp; |
| 296 | |
| 297 | assert(op == (op & OP_OPMASK))((op == (op & (0x00000001|0x00000002|0x00000004))) ? (void )0 : __assert2("/usr/src/usr.bin/make/parse.c", 297, __func__ , "op == (op & OP_OPMASK)")); |
| 298 | |
| 299 | /* if the node didn't already appear on the left hand side (no known |
| 300 | * dependency operator), we don't need to do much. */ |
| 301 | if (!OP_NOP(gn->type)(((gn->type) & (0x00000001|0x00000002|0x00000004)) == 0x00000000 )) { |
| 302 | /* |
| 303 | * If the dependency mask of the operator and the node don't |
| 304 | * match and the node has actually had an operator applied to |
| 305 | * it before, and the operator actually has some dependency |
| 306 | * information in it, complain. */ |
| 307 | if (op != (gn->type & OP_OPMASK(0x00000001|0x00000002|0x00000004))) { |
| 308 | Parse_Error(PARSE_FATAL1, |
| 309 | "Inconsistent dependency operator for target %s\n" |
| 310 | "\t(was %s%s, now %s%s)", |
| 311 | gn->name, gn->name, operator_string(gn->type), |
| 312 | gn->name, operator_string(op)); |
| 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | if (op == OP_DOUBLEDEP0x00000004) { |
| 317 | /* If the node was the object of a :: operator, we need |
| 318 | * to create a new instance of it for the children and |
| 319 | * commands on this dependency line. The new instance |
| 320 | * is placed on the 'cohorts' list of the initial one |
| 321 | * (note the initial one is not on its own cohorts |
| 322 | * list) and the new instance is linked to all parents |
| 323 | * of the initial instance. */ |
| 324 | GNode *cohort; |
| 325 | LstNode ln; |
| 326 | |
| 327 | cohort = Targ_NewGN(gn->name)Targ_NewGNi(gn->name, ((void *)0));; |
| 328 | /* Duplicate links to parents so graph traversal is |
| 329 | * simple. Perhaps some type bits should be |
| 330 | * duplicated? |
| 331 | * |
| 332 | * Make the cohort invisible as well to avoid |
| 333 | * duplicating it into other variables. True, parents |
| 334 | * of this target won't tend to do anything with their |
| 335 | * local variables, but better safe than sorry. */ |
| 336 | for (ln = Lst_First(&gn->parents)((&gn->parents)->firstPtr); ln != NULL((void *)0); |
| 337 | ln = Lst_Adv(ln)((ln)->nextPtr)) |
| 338 | ParseLinkSrc(Lst_Datum(ln)((ln)->datum), cohort); |
| 339 | cohort->type = OP_DOUBLEDEP0x00000004|OP_INVISIBLE0x00001000; |
| 340 | Lst_AtEnd(&gn->cohorts, cohort); |
| 341 | |
| 342 | /* Replace the node in the targets list with the new |
| 343 | * copy */ |
| 344 | *gnp = cohort; |
| 345 | gn = cohort; |
| 346 | } |
| 347 | } |
| 348 | /* Preserve possible special flags already applied to the operator */ |
| 349 | gn->type |= op; |
| 350 | return 1; |
| 351 | } |
| 352 | |
| 353 | static void |
| 354 | ParseDoSpecial(GNode *gn, unsigned int special_op) |
| 355 | { |
| 356 | gn->type |= special_op; |
| 357 | } |
| 358 | |
| 359 | /*- |
| 360 | *--------------------------------------------------------------------- |
| 361 | * ParseAddDep -- |
| 362 | * Check if the pair of GNodes given needs to be synchronized. |
| 363 | * This has to be when two nodes are on different sides of a |
| 364 | * .WAIT directive. |
| 365 | * |
| 366 | * Results: |
| 367 | * Returns 0 if the two targets need to be ordered, 1 otherwise. |
| 368 | * If it returns 0, the search can stop. |
| 369 | * |
| 370 | * Side Effects: |
| 371 | * A dependency can be added between the two nodes. |
| 372 | * |
| 373 | *--------------------------------------------------------------------- |
| 374 | */ |
| 375 | static int |
| 376 | ParseAddDep(GNode *p, GNode *s) |
| 377 | { |
| 378 | if (p->order < s->order) { |
| 379 | /* XXX: This can cause cycles but finding them is hard |
| 380 | * and debugging output will show the problem. */ |
| 381 | Lst_AtEnd(&s->predecessors, p); |
| 382 | Lst_AtEnd(&p->successors, s); |
| 383 | return 1; |
| 384 | } else |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | static void |
| 389 | apply_op(struct growableArray *targets, unsigned int op, GNode *gn) |
| 390 | { |
| 391 | if (op) |
| 392 | gn->type |= op; |
| 393 | else |
| 394 | Array_ForEach(targets, ParseLinkSrc, gn)do { unsigned int i; for (i = 0; i < (targets)->n; i++) (ParseLinkSrc)((targets)->a[i], (gn)); } while (0); |
| 395 | } |
| 396 | |
| 397 | /*- |
| 398 | *--------------------------------------------------------------------- |
| 399 | * ParseDoSrc -- |
| 400 | * Given the name of a source, figure out if it is an attribute |
| 401 | * and apply it to the targets if it is. Else decide if there is |
| 402 | * some attribute which should be applied *to* the source because |
| 403 | * of some special target and apply it if so. Otherwise, make the |
| 404 | * source be a child of the targets in the list 'targets' |
| 405 | * |
| 406 | * Side Effects: |
| 407 | * Operator bits may be added to the list of targets or to the source. |
| 408 | * The targets may have a new source added to their lists of children. |
| 409 | *--------------------------------------------------------------------- |
| 410 | */ |
| 411 | static void |
| 412 | ParseDoSrc( |
| 413 | struct growableArray *targets, |
| 414 | struct growableArray *sources, |
| 415 | int tOp, /* operator (if any) from special targets */ |
| 416 | const char *src, /* name of the source to handle */ |
| 417 | const char *esrc) |
| 418 | { |
| 419 | GNode *gn = Targ_FindNodei(src, esrc, TARG_CREATE0x01); |
| 420 | if (gn->special == SPECIAL_DEPRECATED7U) { |
| 421 | Parse_Error(PARSE_FATAL1, "Deprecated keyword found %s\n", |
| 422 | gn->name); |
| 423 | return; |
| 424 | } |
| 425 | if (gn->special_op) { |
| 426 | Array_ForEach(targets, ParseDoSpecial, gn->special_op)do { unsigned int i; for (i = 0; i < (targets)->n; i++) (ParseDoSpecial)((targets)->a[i], (gn->special_op)); } while (0); |
| 427 | return; |
| 428 | } |
| 429 | if (gn->special == SPECIAL_WAIT29U) { |
| 430 | waiting++; |
| 431 | return; |
| 432 | } |
| 433 | |
| 434 | switch (specType) { |
| 435 | case SPECIAL_MAIN12U: |
| 436 | /* |
| 437 | * If we have noted the existence of a .MAIN, it means we need |
| 438 | * to add the sources of said target to the list of things |
| 439 | * to create. Note that this will only be invoked if the user |
| 440 | * didn't specify a target on the command line. This is to |
| 441 | * allow #ifmake's to succeed, or something... |
| 442 | */ |
| 443 | Lst_AtEnd(create, gn->name); |
| 444 | /* |
| 445 | * Add the name to the .TARGETS variable as well, so the user |
| 446 | * can employ that, if desired. |
| 447 | */ |
| 448 | Var_Append(".TARGETS", gn->name)Var_Appendi_with_ctxt(".TARGETS", ((void *)0), gn->name, 0 ); |
| 449 | return; |
| 450 | |
| 451 | case SPECIAL_ORDER19U: |
| 452 | /* |
| 453 | * Create proper predecessor/successor links between the |
| 454 | * previous source and the current one. |
| 455 | */ |
| 456 | if (predecessor != NULL((void *)0)) { |
| 457 | Lst_AtEnd(&predecessor->successors, gn); |
| 458 | Lst_AtEnd(&gn->predecessors, predecessor); |
| 459 | } |
| 460 | predecessor = gn; |
| 461 | break; |
| 462 | |
| 463 | default: |
| 464 | /* |
| 465 | * In the case of a source that was the object of a :: operator, |
| 466 | * the attribute is applied to all of its instances (as kept in |
| 467 | * the 'cohorts' list of the node) or all the cohorts are linked |
| 468 | * to all the targets. |
| 469 | */ |
| 470 | apply_op(targets, tOp, gn); |
| 471 | if ((gn->type & OP_OPMASK(0x00000001|0x00000002|0x00000004)) == OP_DOUBLEDEP0x00000004) { |
| 472 | LstNode ln; |
| 473 | |
| 474 | for (ln=Lst_First(&gn->cohorts)((&gn->cohorts)->firstPtr); ln != NULL((void *)0); |
| 475 | ln = Lst_Adv(ln)((ln)->nextPtr)){ |
| 476 | apply_op(targets, tOp, Lst_Datum(ln)((ln)->datum)); |
| 477 | } |
| 478 | } |
| 479 | break; |
| 480 | } |
| 481 | |
| 482 | gn->order = waiting; |
| 483 | Array_AtEnd(sources, gn)do { if ((sources)->n >= (sources)->size) { (sources )->size *= 2; (sources)->a = ereallocarray((sources)-> a, (sources)->size, sizeof(struct GNode *)); ; } (sources) ->a[(sources)->n++] = (gn); } while (0); |
| 484 | if (waiting) |
| 485 | Array_Find(sources, ParseAddDep, gn)do { unsigned int i; for (i = 0; i < (sources)->n; i++) if ((ParseAddDep)((sources)->a[i], (gn)) == 0) break; } while (0); |
| 486 | } |
| 487 | |
| 488 | /*- |
| 489 | *----------------------------------------------------------------------- |
| 490 | * ParseFindMain -- |
| 491 | * Find a real target in the list and set it to be the main one. |
| 492 | * Called by ParseDoDependency when a main target hasn't been found |
| 493 | * yet. |
| 494 | * |
| 495 | * Results: |
| 496 | * 1 if main not found yet, 0 if it is. |
| 497 | * |
| 498 | * Side Effects: |
| 499 | * mainNode is changed and. |
| 500 | *----------------------------------------------------------------------- |
| 501 | */ |
| 502 | static int |
| 503 | ParseFindMain(void *gnp, void *dummy UNUSED__attribute__((__unused__))) |
| 504 | { |
| 505 | GNode *gn = gnp; |
| 506 | |
| 507 | if ((gn->type & OP_NOTARGET(0x00002000|0x00000010|0x00040000)) == 0 && gn->special == SPECIAL_NONE0U) { |
| 508 | mainNode = gn; |
| 509 | return 0; |
| 510 | } else { |
| 511 | return 1; |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | /*- |
| 516 | *----------------------------------------------------------------------- |
| 517 | * ParseClearPath -- |
| 518 | * Reinit path to an empty path |
| 519 | *----------------------------------------------------------------------- |
| 520 | */ |
| 521 | static void |
| 522 | ParseClearPath(void *p) |
| 523 | { |
| 524 | Lst path = p; |
| 525 | |
| 526 | Lst_Destroy(path, Dir_Destroy); |
| 527 | Lst_Init(path)(path)->firstPtr = (path)->lastPtr = ((void *)0); |
| 528 | } |
| 529 | |
| 530 | static void |
| 531 | add_target_node(const char *line, const char *end) |
| 532 | { |
| 533 | GNode *gn; |
| 534 | |
| 535 | gn = Suff_ParseAsTransform(line, end); |
| 536 | |
| 537 | if (gn == NULL((void *)0)) { |
| 538 | gn = Targ_FindNodei(line, end, TARG_CREATE0x01); |
| 539 | gn->type &= ~OP_DUMMY0x00020000; |
| 540 | } |
| 541 | |
| 542 | Array_AtEnd(>argets, gn)do { if ((>argets)->n >= (>argets)->size ) { (>argets)->size *= 2; (>argets)->a = ereallocarray ((>argets)->a, (>argets)->size, sizeof(struct GNode *)); ; } (>argets)->a[(>argets)->n++ ] = (gn); } while (0); |
| 543 | } |
| 544 | |
| 545 | static void |
| 546 | add_target_nodes(const char *line, const char *end) |
| 547 | { |
| 548 | |
| 549 | if (Dir_HasWildcardsi(line, end)) { |
| 550 | /* |
| 551 | * Targets are to be sought only in the current directory, |
| 552 | * so create an empty path for the thing. Note we need to |
| 553 | * use Dir_Destroy in the destruction of the path as the |
| 554 | * Dir module could have added a directory to the path... |
| 555 | */ |
| 556 | char *targName; |
| 557 | LIST emptyPath; |
| 558 | LIST curTargs; |
| 559 | |
| 560 | Lst_Init(&emptyPath)(&emptyPath)->firstPtr = (&emptyPath)->lastPtr = ((void *)0); |
| 561 | Lst_Init(&curTargs)(&curTargs)->firstPtr = (&curTargs)->lastPtr = ( (void *)0); |
| 562 | Dir_Expandi(line, end, &emptyPath, &curTargs); |
| 563 | Lst_Destroy(&emptyPath, Dir_Destroy); |
| 564 | while ((targName = Lst_DeQueue(&curTargs)) != NULL((void *)0)) { |
| 565 | add_target_node(targName, targName + strlen(targName)); |
| 566 | } |
| 567 | Lst_Destroy(&curTargs, NOFREE((SimpleProc) 0)); |
| 568 | } else { |
| 569 | add_target_node(line, end); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | /* special target line check: a proper delimiter is a ':' or '!', but |
| 574 | * we don't want to end a target on such a character if there is a better |
| 575 | * match later on. |
| 576 | * By "better" I mean one that is followed by whitespace. This allows the |
| 577 | * user to have targets like: |
| 578 | * fie::fi:fo: fum |
| 579 | * where "fie::fi:fo" is the target. In real life this is used for perl5 |
| 580 | * library man pages where "::" separates an object from its class. Ie: |
| 581 | * "File::Spec::Unix". |
| 582 | * This behaviour is also consistent with other versions of make. |
| 583 | */ |
| 584 | static bool_Bool |
| 585 | found_delimiter(const char *s) |
| 586 | { |
| 587 | if (*s == '!' || *s == ':') { |
| 588 | const char *p = s + 1; |
| 589 | |
| 590 | if (*s == ':' && *p == ':') |
| 591 | p++; |
| 592 | |
| 593 | /* Found the best match already. */ |
| 594 | if (ISSPACE(*p)(isspace((unsigned char)(*p))) || *p == '\0') |
| 595 | return true1; |
| 596 | |
| 597 | do { |
| 598 | p += strcspn(p, "!:"); |
| 599 | if (*p == '\0') |
| 600 | break; |
| 601 | /* always prefer : to ! if not space separated */ |
| 602 | if (*p == ':' && *s == '!') |
| 603 | return false0; |
| 604 | p++; |
| 605 | } while (*p != '\0' && !ISSPACE(*p)(isspace((unsigned char)(*p)))); |
| 606 | |
| 607 | /* No better match later on... */ |
| 608 | if (*p == '\0') |
| 609 | return true1; |
| 610 | } |
| 611 | return false0; |
| 612 | } |
| 613 | |
| 614 | static const char * |
| 615 | parse_do_targets(Lst paths, unsigned int *op, const char *line) |
| 616 | { |
| 617 | const char *cp; |
| 618 | |
| 619 | do { |
| 620 | for (cp = line; *cp && !ISSPACE(*cp)(isspace((unsigned char)(*cp))) && *cp != '(';) { |
| 621 | if (*cp == '$') |
| 622 | /* Must be a dynamic source (would have been |
| 623 | * expanded otherwise), so call the Var module |
| 624 | * to parse the puppy so we can safely advance |
| 625 | * beyond it...There should be no errors in |
| 626 | * this, as they would have been discovered in |
| 627 | * the initial Var_Subst and we wouldn't be |
| 628 | * here. */ |
| 629 | Var_ParseSkip(&cp, NULL((void *)0)); |
| 630 | else { |
| 631 | if (found_delimiter(cp)) |
| 632 | break; |
| 633 | cp++; |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | if (*cp == '(') { |
| 638 | LIST temp; |
| 639 | Lst_Init(&temp)(&temp)->firstPtr = (&temp)->lastPtr = ((void * )0); |
| 640 | /* Archives must be handled specially to make sure the |
| 641 | * OP_ARCHV flag is set in their 'type' field, for one |
| 642 | * thing, and because things like "archive(file1.o |
| 643 | * file2.o file3.o)" are permissible. |
| 644 | * Arch_ParseArchive will set 'line' to be the first |
| 645 | * non-blank after the archive-spec. It creates/finds |
| 646 | * nodes for the members and places them on the given |
| 647 | * list, returning true if all went well and false if |
| 648 | * there was an error in the specification. On error, |
| 649 | * line should remain untouched. */ |
| 650 | if (!Arch_ParseArchive(&line, &temp, NULL((void *)0))) { |
| 651 | Parse_Error(PARSE_FATAL1, |
| 652 | "Error in archive specification: \"%s\"", |
| 653 | line); |
| 654 | return NULL((void *)0); |
| 655 | } else { |
| 656 | AppendList2Array(&temp, >argets)do { LstNode ln; for (ln = (((&temp))->firstPtr); ln != ((void *)0); ln = ((ln)->nextPtr)) do { if (((>argets ))->n >= ((>argets))->size) { ((>argets) )->size *= 2; ((>argets))->a = ereallocarray(((& gtargets))->a, ((>argets))->size, sizeof(struct GNode *)); ; } ((>argets))->a[((>argets))->n++] = (((ln)->datum)); } while (0); } while (0); |
| 657 | Lst_Destroy(&temp, NOFREE((SimpleProc) 0)); |
| 658 | cp = line; |
| 659 | continue; |
| 660 | } |
| 661 | } |
| 662 | if (*cp == '\0') { |
| 663 | /* Ending a dependency line without an operator is a |
| 664 | * Bozo no-no */ |
| 665 | /* Deeper check for cvs conflicts */ |
| 666 | if (gtargets.n > 0 && |
| 667 | (strcmp(gtargets.a[0]->name, "<<<<<<<") == 0 || |
| 668 | strcmp(gtargets.a[0]->name, ">>>>>>>") == 0)) { |
| 669 | Parse_Error(PARSE_FATAL1, |
| 670 | "Need an operator (likely from a cvs update conflict)"); |
| 671 | } else { |
| 672 | Parse_Error(PARSE_FATAL1, |
| 673 | "Need an operator in '%s'", line); |
| 674 | } |
| 675 | return NULL((void *)0); |
| 676 | } |
| 677 | /* |
| 678 | * Have word in line. Get or create its nodes and stick it at |
| 679 | * the end of the targets list |
| 680 | */ |
| 681 | if (*line != '\0') |
| 682 | add_target_nodes(line, cp); |
| 683 | |
| 684 | while (ISSPACE(*cp)(isspace((unsigned char)(*cp)))) |
| 685 | cp++; |
| 686 | line = cp; |
| 687 | } while (*line != '!' && *line != ':' && *line); |
| 688 | *op = handle_special_targets(paths); |
| 689 | return cp; |
| 690 | } |
| 691 | |
| 692 | static void |
| 693 | dump_targets() |
| 694 | { |
| 695 | size_t i; |
| 696 | for (i = 0; i < gtargets.n; i++) |
| 697 | fprintf(stderr(&__sF[2]), "%s", gtargets.a[i]->name); |
| 698 | fprintf(stderr(&__sF[2]), "\n"); |
| 699 | } |
| 700 | |
| 701 | static unsigned int |
| 702 | handle_special_targets(Lst paths) |
| 703 | { |
| 704 | size_t i; |
| 705 | int seen_path = 0; |
| 706 | int seen_special = 0; |
| 707 | int seen_normal = 0; |
| 708 | int type; |
| 709 | |
| 710 | for (i = 0; i < gtargets.n; i++) { |
| 711 | type = gtargets.a[i]->special; |
| 712 | if (type == SPECIAL_DEPRECATED7U) { |
| 713 | Parse_Error(PARSE_FATAL1, |
| 714 | "Deprecated keyword found %s\n", |
| 715 | gtargets.a[i]->name); |
| 716 | specType = SPECIAL_ERROR31U; |
| 717 | return 0; |
| 718 | } |
| 719 | if (type == SPECIAL_PATH62U) { |
| 720 | seen_path++; |
| 721 | Lst_AtEnd(paths, find_suffix_path(gtargets.a[i])); |
| 722 | } else if (type != 0) |
| 723 | seen_special++; |
| 724 | else |
| 725 | seen_normal++; |
| 726 | } |
| 727 | if ((seen_path != 0) + (seen_special != 0) + (seen_normal != 0) > 1) { |
| 728 | Parse_Error(PARSE_FATAL1, "Wrong mix of special targets"); |
| 729 | dump_targets(); |
| 730 | specType = SPECIAL_ERROR31U; |
| 731 | return 0; |
| 732 | } |
| 733 | if (seen_normal != 0) { |
| 734 | specType = SPECIAL_NONE0U; |
| 735 | return 0; |
| 736 | } else if (seen_path != 0) { |
| 737 | specType = SPECIAL_PATH62U; |
| 738 | return 0; |
| 739 | } else if (seen_special == 0) { |
| 740 | specType = SPECIAL_NONE0U; |
| 741 | return 0; |
| 742 | } else if (seen_special != 1) { |
| 743 | Parse_Error(PARSE_FATAL1, |
| 744 | "Mixing special targets is not allowed"); |
| 745 | dump_targets(); |
| 746 | return 0; |
| 747 | } else if (seen_special == 1) { |
| 748 | specType = gtargets.a[0]->special; |
| 749 | switch (specType) { |
| 750 | case SPECIAL_MAIN12U: |
| 751 | if (!Lst_IsEmpty(create)((create)->firstPtr == ((void *)0))) { |
| 752 | specType = SPECIAL_NONE0U; |
| 753 | } |
| 754 | break; |
| 755 | case SPECIAL_NOTPARALLEL16U: |
| 756 | set_notparallel(); |
| 757 | break; |
| 758 | case SPECIAL_ORDER19U: |
| 759 | predecessor = NULL((void *)0); |
| 760 | break; |
| 761 | default: |
| 762 | break; |
| 763 | } |
| 764 | return gtargets.a[0]->special_op; |
| 765 | } else { |
| 766 | /* we're allowed to have 0 target */ |
| 767 | specType = SPECIAL_NONE0U; |
| 768 | return 0; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | static unsigned int |
| 773 | parse_operator(const char **pos) |
| 774 | { |
| 775 | const char *cp = *pos; |
| 776 | unsigned int op = OP_ERROR0x00000007; |
| 777 | |
| 778 | if (*cp == '!') { |
| 779 | op = OP_FORCE0x00000002; |
| 780 | } else if (*cp == ':') { |
| 781 | if (cp[1] == ':') { |
| 782 | op = OP_DOUBLEDEP0x00000004; |
| 783 | cp++; |
| 784 | } else { |
| 785 | op = OP_DEPENDS0x00000001; |
| 786 | } |
| 787 | } else { |
| 788 | Parse_Error(PARSE_FATAL1, "Missing dependency operator"); |
| 789 | return OP_ERROR0x00000007; |
| 790 | } |
| 791 | |
| 792 | cp++; /* Advance beyond operator */ |
| 793 | |
| 794 | /* Get to the first source */ |
| 795 | while (ISSPACE(*cp)(isspace((unsigned char)(*cp)))) |
| 796 | cp++; |
| 797 | *pos = cp; |
| 798 | return op; |
| 799 | } |
| 800 | |
| 801 | /*- |
| 802 | *--------------------------------------------------------------------- |
| 803 | * ParseDoDependency -- |
| 804 | * Parse the dependency line in line. |
| 805 | * |
| 806 | * Side Effects: |
| 807 | * The nodes of the sources are linked as children to the nodes of the |
| 808 | * targets. Some nodes may be created. |
| 809 | * |
| 810 | * We parse a dependency line by first extracting words from the line and |
| 811 | * finding nodes in the list of all targets with that name. This is done |
| 812 | * until a character is encountered which is an operator character. Currently |
| 813 | * these are only ! and :. At this point the operator is parsed and the |
| 814 | * pointer into the line advanced until the first source is encountered. |
| 815 | * The parsed operator is applied to each node in the 'targets' list, |
| 816 | * which is where the nodes found for the targets are kept, by means of |
| 817 | * the ParseDoOp function. |
| 818 | * The sources are read in much the same way as the targets were except |
| 819 | * that now they are expanded using the wildcarding scheme of the C-Shell |
| 820 | * and all instances of the resulting words in the list of all targets |
| 821 | * are found. Each of the resulting nodes is then linked to each of the |
| 822 | * targets as one of its children. |
| 823 | * Certain targets are handled specially. These are the ones detailed |
| 824 | * by the specType variable. |
| 825 | * The storing of transformation rules is also taken care of here. |
| 826 | * A target is recognized as a transformation rule by calling |
| 827 | * Suff_IsTransform. If it is a transformation rule, its node is gotten |
| 828 | * from the suffix module via Suff_AddTransform rather than the standard |
| 829 | * Targ_FindNode in the target module. |
| 830 | *--------------------------------------------------------------------- |
| 831 | */ |
| 832 | static void |
| 833 | ParseDoDependency(const char *line) /* the line to parse */ |
| 834 | { |
| 835 | const char *cp; /* our current position */ |
| 836 | unsigned int op; /* the operator on the line */ |
| 837 | LIST paths; /* List of search paths to alter when parsing |
| 838 | * a list of .PATH targets */ |
| 839 | unsigned int tOp; /* operator from special target */ |
| 840 | |
| 841 | waiting = 0; |
| 842 | Lst_Init(&paths)(&paths)->firstPtr = (&paths)->lastPtr = ((void *)0); |
| 843 | |
| 844 | Array_Reset(&gsources)do { (&gsources)->n = 0; } while (0); |
| 845 | |
| 846 | cp = parse_do_targets(&paths, &tOp, line); |
| 847 | assert(specType == SPECIAL_PATH || Lst_IsEmpty(&paths))((specType == 62U || ((&paths)->firstPtr == ((void *)0 ))) ? (void)0 : __assert2("/usr/src/usr.bin/make/parse.c", 847 , __func__, "specType == SPECIAL_PATH || Lst_IsEmpty(&paths)" )); |
| 848 | if (cp == NULL((void *)0) || specType == SPECIAL_ERROR31U) { |
| 849 | /* invalidate targets for further processing */ |
| 850 | Array_Reset(>argets)do { (>argets)->n = 0; } while (0); |
| 851 | return; |
| 852 | } |
| 853 | |
| 854 | op = parse_operator(&cp); |
| 855 | if (op == OP_ERROR0x00000007) { |
| 856 | /* invalidate targets for further processing */ |
| 857 | Array_Reset(>argets)do { (>argets)->n = 0; } while (0); |
| 858 | return; |
| 859 | } |
| 860 | |
| 861 | Array_FindP(>argets, ParseDoOp, op)do { unsigned int i; for (i = 0; i < (>argets)->n ; i++) if ((ParseDoOp)(&((>argets)->a[i]), (op)) == 0) break; } while (0); |
| 862 | dedup_targets(>argets); |
| 863 | |
| 864 | line = cp; |
| 865 | |
| 866 | /* Several special targets have specific semantics with no source: |
| 867 | * .SUFFIXES clears out all old suffixes |
| 868 | * .PRECIOUS/.IGNORE/.SILENT |
| 869 | * apply to all target |
| 870 | * .PATH clears out all search paths. */ |
| 871 | if (!*line) { |
| 872 | switch (specType) { |
| 873 | case SPECIAL_SUFFIXES27U: |
| 874 | Suff_DisableAllSuffixes(); |
| 875 | break; |
| 876 | case SPECIAL_PRECIOUS23U: |
| 877 | allPrecious = true1; |
| 878 | break; |
| 879 | case SPECIAL_IGNORE5U: |
| 880 | ignoreErrors = true1; |
| 881 | break; |
| 882 | case SPECIAL_SILENT25U: |
| 883 | beSilent = true1; |
| 884 | break; |
| 885 | case SPECIAL_PATH62U: |
| 886 | Lst_Every(&paths, ParseClearPath); |
| 887 | break; |
| 888 | default: |
| 889 | break; |
| 890 | } |
| 891 | } else if (specType == SPECIAL_MFLAGS14U) { |
| 892 | Main_ParseArgLine(line); |
| 893 | return; |
| 894 | } else if (specType == SPECIAL_NOTPARALLEL16U) { |
| 895 | return; |
| 896 | } |
| 897 | |
| 898 | /* NOW GO FOR THE SOURCES */ |
| 899 | if (specType == SPECIAL_SUFFIXES27U || specType == SPECIAL_PATH62U || |
| 900 | specType == SPECIAL_NOTHING6U) { |
| 901 | while (*line) { |
| 902 | /* Some special targets take a list of space-separated |
| 903 | * words. For each word, |
| 904 | * |
| 905 | * if .SUFFIXES, add it to the list of suffixes maintained |
| 906 | * by suff.c. |
| 907 | * |
| 908 | * if .PATHS, add it as a directory on the main search path. |
| 909 | * |
| 910 | * if .LIBS/.INCLUDE/.NULL... this has been deprecated, |
| 911 | * ignore |
| 912 | */ |
| 913 | while (*cp && !ISSPACE(*cp)(isspace((unsigned char)(*cp)))) |
| 914 | cp++; |
| 915 | switch (specType) { |
| 916 | case SPECIAL_SUFFIXES27U: |
| 917 | Suff_AddSuffixi(line, cp); |
| 918 | break; |
| 919 | case SPECIAL_PATH62U: |
| 920 | { |
| 921 | LstNode ln; |
| 922 | |
| 923 | for (ln = Lst_First(&paths)((&paths)->firstPtr); ln != NULL((void *)0); |
| 924 | ln = Lst_Adv(ln)((ln)->nextPtr)) |
| 925 | Dir_AddDiri(Lst_Datum(ln)((ln)->datum), line, cp); |
| 926 | break; |
| 927 | } |
| 928 | default: |
| 929 | break; |
| 930 | } |
| 931 | if (*cp != '\0') |
| 932 | cp++; |
| 933 | while (ISSPACE(*cp)(isspace((unsigned char)(*cp)))) |
| 934 | cp++; |
| 935 | line = cp; |
| 936 | } |
| 937 | } else { |
| 938 | while (*line) { |
| 939 | /* |
| 940 | * The targets take real sources, so we must beware of |
| 941 | * archive specifications (i.e. things with left |
| 942 | * parentheses in them) and handle them accordingly. |
| 943 | */ |
| 944 | while (*cp && !ISSPACE(*cp)(isspace((unsigned char)(*cp)))) { |
| 945 | if (*cp == '(' && cp > line && cp[-1] != '$') { |
| 946 | /* |
| 947 | * Only stop for a left parenthesis if |
| 948 | * it isn't at the start of a word |
| 949 | * (that'll be for variable changes |
| 950 | * later) and isn't preceded by a |
| 951 | * dollar sign (a dynamic source). |
| 952 | */ |
| 953 | break; |
| 954 | } else { |
| 955 | cp++; |
| 956 | } |
| 957 | } |
| 958 | |
| 959 | if (*cp == '(') { |
| 960 | GNode *gn; |
| 961 | LIST sources; /* list of archive source |
| 962 | * names after expansion */ |
| 963 | |
| 964 | Lst_Init(&sources)(&sources)->firstPtr = (&sources)->lastPtr = (( void *)0); |
| 965 | if (!Arch_ParseArchive(&line, &sources, NULL((void *)0))) { |
| 966 | Parse_Error(PARSE_FATAL1, |
| 967 | "Error in source archive spec \"%s\"", |
| 968 | line); |
| 969 | return; |
| 970 | } |
| 971 | |
| 972 | while ((gn = Lst_DeQueue(&sources)) != NULL((void *)0)) |
| 973 | ParseDoSrc(>argets, &gsources, tOp, |
| 974 | gn->name, NULL((void *)0)); |
| 975 | cp = line; |
| 976 | } else { |
| 977 | const char *endSrc = cp; |
| 978 | |
| 979 | ParseDoSrc(>argets, &gsources, tOp, line, |
| 980 | endSrc); |
| 981 | if (*cp) |
| 982 | cp++; |
| 983 | } |
| 984 | while (ISSPACE(*cp)(isspace((unsigned char)(*cp)))) |
| 985 | cp++; |
| 986 | line = cp; |
| 987 | } |
| 988 | } |
| 989 | |
| 990 | /* If we're not in the SPEC_PATH case the list is empty, but who |
| 991 | * cares ? This is cheap. |
| 992 | */ |
| 993 | Lst_Destroy(&paths, NOFREE((SimpleProc) 0)); |
| 994 | |
| 995 | if (mainNode == NULL((void *)0)) { |
| 996 | /* If we have yet to decide on a main target to make, in the |
| 997 | * absence of any user input, we want the first target on |
| 998 | * the first dependency line that is actually a real target |
| 999 | * (i.e. isn't a .USE or .EXEC rule) to be made. */ |
| 1000 | Array_Find(>argets, ParseFindMain, NULL)do { unsigned int i; for (i = 0; i < (>argets)->n ; i++) if ((ParseFindMain)((>argets)->a[i], (((void * )0))) == 0) break; } while (0); |
| 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | /*- |
| 1005 | * ParseAddCmd -- |
| 1006 | * Lst_ForEach function to add a command line to all targets |
| 1007 | * |
| 1008 | * The new command may be added to the commands list of the node. |
| 1009 | * |
| 1010 | * If the target already had commands, we ignore the new ones, but |
| 1011 | * we note that we got double commands (in case we actually get to run |
| 1012 | * that ambiguous target). |
| 1013 | * |
| 1014 | * Note this does not apply to :: dependency lines, since those |
| 1015 | * will generate fresh cloned nodes and add them to the cohorts |
| 1016 | * field of the main node. |
| 1017 | */ |
| 1018 | static void |
| 1019 | ParseAddCmd(void *gnp, void *cmd) |
| 1020 | { |
| 1021 | GNode *gn = gnp; |
| 1022 | |
| 1023 | if (!(gn->type & OP_HAS_COMMANDS0x00400000)) |
| 1024 | Lst_AtEnd(&gn->commands, cmd); |
| 1025 | else |
| 1026 | gn->type |= OP_DOUBLE0x00100000; |
| 1027 | } |
| 1028 | |
| 1029 | /*- |
| 1030 | *----------------------------------------------------------------------- |
| 1031 | * ParseHasCommands -- |
| 1032 | * Record that the target gained commands through OP_HAS_COMMANDS, |
| 1033 | * so that double command lists may be ignored. |
| 1034 | *----------------------------------------------------------------------- |
| 1035 | */ |
| 1036 | static void |
| 1037 | ParseHasCommands(void *gnp) |
| 1038 | { |
| 1039 | GNode *gn = gnp; |
| 1040 | gn->type |= OP_HAS_COMMANDS0x00400000; |
| 1041 | |
| 1042 | } |
| 1043 | |
| 1044 | |
| 1045 | /* Strip comments from line. Build a copy in buffer if necessary, */ |
| 1046 | static char * |
| 1047 | strip_comments(Buffer copy, const char *line) |
| 1048 | { |
| 1049 | const char *comment; |
| 1050 | const char *p; |
| 1051 | |
| 1052 | comment = strchr(line, '#'); |
| 1053 | if (comment == NULL((void *)0)) |
| 1054 | return (char *)line; |
| 1055 | else { |
| 1056 | Buf_Reset(copy)((void)((copy)->inPtr = (copy)->buffer + (0))); |
| 1057 | |
| 1058 | for (p = line; *p != '\0'; p++) { |
| 1059 | if (*p == '\\') { |
| 1060 | if (p[1] == '#') { |
| 1061 | Buf_Addi(copy, line, p)Buf_AddChars((copy), (p) - (line), (line)); |
| 1062 | Buf_AddChar(copy, '#')do { if ((copy)->endPtr - (copy)->inPtr <= 1) BufExpand (copy, 1); *(copy)->inPtr++ = ('#'); } while (0); |
| 1063 | line = p+2; |
| 1064 | } |
| 1065 | if (p[1] != '\0') |
| 1066 | p++; |
| 1067 | } else if (*p == '#') |
| 1068 | break; |
| 1069 | } |
| 1070 | Buf_Addi(copy, line, p)Buf_AddChars((copy), (p) - (line), (line)); |
| 1071 | return Buf_Retrieve(copy)(*(copy)->inPtr = '\0', (copy)->buffer); |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | |
| 1076 | |
| 1077 | /*** |
| 1078 | *** Support for various include constructs |
| 1079 | ***/ |
| 1080 | |
| 1081 | |
| 1082 | void |
| 1083 | Parse_AddIncludeDir(const char *dir) |
| 1084 | { |
| 1085 | Dir_AddDir(userIncludePath, dir)Dir_AddDiri(userIncludePath, dir, ((void *)0)); |
| 1086 | } |
| 1087 | |
| 1088 | static char * |
| 1089 | resolve_include_filename(const char *file, const char *efile, bool_Bool isSystem) |
| 1090 | { |
| 1091 | char *fullname; |
| 1092 | |
| 1093 | /* Look up system files on the system path first */ |
| 1094 | if (isSystem) { |
| 1095 | fullname = Dir_FindFileNoDoti(file, efile, systemIncludePath)Dir_FindFileComplexi(file, efile, systemIncludePath, 0); |
| 1096 | if (fullname) |
| 1097 | return fullname; |
| 1098 | } |
| 1099 | |
| 1100 | /* Handle non-system non-absolute files... */ |
| 1101 | if (!isSystem && file[0] != '/') { |
| 1102 | /* ... by looking first under the same directory as the |
| 1103 | * current file */ |
| 1104 | char *slash = NULL((void *)0); |
| 1105 | const char *fname; |
| 1106 | |
| 1107 | fname = Parse_Getfilename(); |
| 1108 | |
| 1109 | if (fname != NULL((void *)0)) |
| 1110 | slash = strrchr(fname, '/'); |
| 1111 | |
| 1112 | if (slash != NULL((void *)0)) { |
| 1113 | char *newName; |
| 1114 | |
| 1115 | newName = Str_concati(fname, slash, file, efile, '/'); |
| 1116 | fullname = Dir_FindFile(newName, userIncludePath)Dir_FindFileComplexi(newName, strchr(newName, '\0'), userIncludePath , 1); |
| 1117 | if (fullname == NULL((void *)0)) |
| 1118 | fullname = Dir_FindFile(newName, defaultPath)Dir_FindFileComplexi(newName, strchr(newName, '\0'), defaultPath , 1); |
| 1119 | free(newName); |
| 1120 | if (fullname) |
| 1121 | return fullname; |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | /* Now look first on the -I search path, then on the .PATH |
| 1126 | * search path, if not found in a -I directory. |
| 1127 | * XXX: Suffix specific? */ |
| 1128 | fullname = Dir_FindFilei(file, efile, userIncludePath)Dir_FindFileComplexi(file, efile, userIncludePath, 1); |
| 1129 | if (fullname) |
| 1130 | return fullname; |
| 1131 | fullname = Dir_FindFilei(file, efile, defaultPath)Dir_FindFileComplexi(file, efile, defaultPath, 1); |
| 1132 | if (fullname) |
| 1133 | return fullname; |
| 1134 | |
| 1135 | /* Still haven't found the makefile. Look for it on the system |
| 1136 | * path as a last resort (if we haven't already). */ |
| 1137 | if (isSystem) |
| 1138 | return NULL((void *)0); |
| 1139 | else |
| 1140 | return Dir_FindFilei(file, efile, systemIncludePath)Dir_FindFileComplexi(file, efile, systemIncludePath, 1); |
| 1141 | } |
| 1142 | |
| 1143 | static void |
| 1144 | handle_include_file(const char *file, const char *efile, bool_Bool isSystem, |
| 1145 | bool_Bool errIfNotFound) |
| 1146 | { |
| 1147 | char *fullname; |
| 1148 | |
| 1149 | fullname = resolve_include_filename(file, efile, isSystem); |
| 1150 | if (fullname == NULL((void *)0) && errIfNotFound) |
| 1151 | Parse_Error(PARSE_FATAL1, "Could not find %.*s", |
| 1152 | (int)(efile - file), file); |
| 1153 | |
| 1154 | if (fullname != NULL((void *)0)) { |
| 1155 | FILE *f; |
| 1156 | |
| 1157 | f = fopen(fullname, "r"); |
| 1158 | if (f == NULL((void *)0) && errIfNotFound) |
| 1159 | Parse_Error(PARSE_FATAL1, "Cannot open %s", fullname); |
| 1160 | else |
| 1161 | Parse_FromFile(fullname, f); |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | /* .include <file> (system) or .include "file" (normal) */ |
| 1166 | static bool_Bool |
| 1167 | lookup_bsd_include(const char *file) |
| 1168 | { |
| 1169 | char endc; |
| 1170 | const char *efile; |
| 1171 | char *file2; |
| 1172 | bool_Bool isSystem; |
| 1173 | |
| 1174 | /* find starting delimiter */ |
| 1175 | while (ISSPACE(*file)(isspace((unsigned char)(*file)))) |
| 1176 | file++; |
| 1177 | |
| 1178 | /* determine type of file */ |
| 1179 | if (*file == '<') { |
| 1180 | isSystem = true1; |
| 1181 | endc = '>'; |
| 1182 | } else if (*file == '"') { |
| 1183 | isSystem = false0; |
| 1184 | endc = '"'; |
| 1185 | } else { |
| 1186 | Parse_Error(PARSE_WARNING2, |
| 1187 | ".include filename must be delimited by '\"' or '<'"); |
| 1188 | return false0; |
| 1189 | } |
| 1190 | |
| 1191 | /* delimit file name between file and efile */ |
| 1192 | for (efile = ++file; *efile != endc; efile++) { |
| 1193 | if (*efile == '\0') { |
| 1194 | Parse_Error(PARSE_WARNING2, |
| 1195 | "Unclosed .include filename. '%c' expected", endc); |
| 1196 | return false0; |
| 1197 | } |
| 1198 | } |
| 1199 | /* Substitute for any variables in the file name before trying to |
| 1200 | * find the thing. */ |
| 1201 | file2 = Var_Substi(file, efile, NULL((void *)0), false0); |
| 1202 | handle_include_file(file2, strchr(file2, '\0'), isSystem, true1); |
| 1203 | free(file2); |
| 1204 | return true1; |
| 1205 | } |
| 1206 | |
| 1207 | |
| 1208 | static void |
| 1209 | lookup_sysv_style_include(const char *line, const char *directive, |
| 1210 | bool_Bool errIfMissing) |
| 1211 | { |
| 1212 | char *file; |
| 1213 | char *name; |
| 1214 | char *ename; |
| 1215 | bool_Bool okay = false0; |
| 1216 | |
| 1217 | /* Substitute for any variables in the file name before trying to |
| 1218 | * find the thing. */ |
| 1219 | file = Var_Subst(line, NULL((void *)0), false0); |
| 1220 | |
| 1221 | /* sys5 allows for list of files separated by spaces */ |
| 1222 | name = file; |
| 1223 | while (1) { |
| 1224 | /* find beginning of name */ |
| 1225 | while (ISSPACE(*name)(isspace((unsigned char)(*name)))) |
| 1226 | name++; |
| 1227 | if (*name == '\0') |
| 1228 | break; |
| 1229 | for (ename = name; *ename != '\0' && !ISSPACE(*ename)(isspace((unsigned char)(*ename)));) |
| 1230 | ename++; |
| 1231 | handle_include_file(name, ename, true1, errIfMissing); |
| 1232 | okay = true1; |
| 1233 | name = ename; |
| 1234 | } |
| 1235 | |
| 1236 | free(file); |
| 1237 | if (!okay) { |
| 1238 | Parse_Error(PARSE_FATAL1, "Filename missing from \"%s\"", |
| 1239 | directive); |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | |
| 1244 | /* system V construct: include file */ |
| 1245 | static void |
| 1246 | lookup_sysv_include(const char *file, const char *directive) |
| 1247 | { |
| 1248 | lookup_sysv_style_include(file, directive, true1); |
| 1249 | } |
| 1250 | |
| 1251 | |
| 1252 | /* sinclude file and -include file */ |
| 1253 | static void |
| 1254 | lookup_conditional_include(const char *file, const char *directive) |
| 1255 | { |
| 1256 | lookup_sysv_style_include(file, directive, false0); |
| 1257 | } |
| 1258 | |
| 1259 | |
| 1260 | /*** |
| 1261 | *** BSD-specific . constructs |
| 1262 | *** They all follow the same pattern: |
| 1263 | *** if the syntax matches BSD stuff, then we're committed to handle |
| 1264 | *** them and report fatal errors (like, include file not existing) |
| 1265 | *** otherwise, we return false, and hope somebody else will handle it. |
| 1266 | ***/ |
| 1267 | |
| 1268 | static bool_Bool |
| 1269 | handle_poison(const char *line) |
| 1270 | { |
| 1271 | const char *p = line; |
| 1272 | int type = POISON_NORMAL64; |
| 1273 | bool_Bool not = false0; |
| 1274 | bool_Bool paren_to_match = false0; |
| 1275 | const char *name, *ename; |
| 1276 | |
| 1277 | while (ISSPACE(*p)(isspace((unsigned char)(*p)))) |
| 1278 | p++; |
| 1279 | if (*p == '!') { |
| 1280 | not = true1; |
| 1281 | p++; |
| 1282 | } |
| 1283 | while (ISSPACE(*p)(isspace((unsigned char)(*p)))) |
| 1284 | p++; |
| 1285 | if (strncmp(p, "defined", 7) == 0) { |
| 1286 | type = POISON_DEFINED1; |
| 1287 | p += 7; |
| 1288 | } else if (strncmp(p, "empty", 5) == 0) { |
| 1289 | type = POISON_EMPTY128; |
| 1290 | p += 5; |
| 1291 | } |
| 1292 | while (ISSPACE(*p)(isspace((unsigned char)(*p)))) |
| 1293 | p++; |
| 1294 | if (*p == '(') { |
| 1295 | paren_to_match = true1; |
| 1296 | p++; |
| 1297 | } |
| 1298 | while (ISSPACE(*p)(isspace((unsigned char)(*p)))) |
| 1299 | p++; |
| 1300 | name = ename = p; |
| 1301 | while (*p != '\0' && !ISSPACE(*p)(isspace((unsigned char)(*p)))) { |
| 1302 | if (*p == ')' && paren_to_match) { |
| 1303 | paren_to_match = false0; |
Value stored to 'paren_to_match' is never read | |
| 1304 | p++; |
| 1305 | break; |
| 1306 | } |
| 1307 | p++; |
| 1308 | ename = p; |
| 1309 | } |
| 1310 | while (ISSPACE(*p)(isspace((unsigned char)(*p)))) |
| 1311 | p++; |
| 1312 | switch(type) { |
| 1313 | case POISON_NORMAL64: |
| 1314 | case POISON_EMPTY128: |
| 1315 | if (not) |
| 1316 | type = POISON_INVALID0; |
| 1317 | break; |
| 1318 | case POISON_DEFINED1: |
| 1319 | if (not) |
| 1320 | type = POISON_NOT_DEFINED256; |
| 1321 | else |
| 1322 | type = POISON_INVALID0; |
| 1323 | break; |
| 1324 | } |
| 1325 | if ((*p != '\0' && *p != '#') || type == POISON_INVALID0) { |
| 1326 | Parse_Error(PARSE_WARNING2, "Invalid syntax for .poison: %s", |
| 1327 | line); |
| 1328 | return false0; |
| 1329 | } else { |
| 1330 | Var_Mark(name, ename, type); |
| 1331 | return true1; |
| 1332 | } |
| 1333 | } |
| 1334 | |
| 1335 | |
| 1336 | static bool_Bool |
| 1337 | handle_for_loop(Buffer linebuf, const char *line) |
| 1338 | { |
| 1339 | For *loop; |
| 1340 | |
| 1341 | loop = For_Eval(line); |
| 1342 | if (loop != NULL((void *)0)) { |
| 1343 | bool_Bool ok; |
| 1344 | do { |
| 1345 | /* Find the matching endfor. */ |
| 1346 | line = ParseReadLoopLine(linebuf)Parse_ReadUnparsedLine(linebuf, "for loop"); |
| 1347 | if (line == NULL((void *)0)) { |
| 1348 | Parse_Error(PARSE_FATAL1, |
| 1349 | "Unexpected end of file in for loop.\n"); |
| 1350 | return false0; |
| 1351 | } |
| 1352 | ok = For_Accumulate(loop, line); |
| 1353 | } while (ok); |
| 1354 | For_Run(loop); |
| 1355 | return true1; |
| 1356 | } else |
| 1357 | return false0; |
| 1358 | } |
| 1359 | |
| 1360 | static bool_Bool |
| 1361 | handle_undef(const char *line) |
| 1362 | { |
| 1363 | const char *eline; |
| 1364 | |
| 1365 | while (ISSPACE(*line)(isspace((unsigned char)(*line)))) |
| 1366 | line++; |
| 1367 | for (eline = line; !ISSPACE(*eline)(isspace((unsigned char)(*eline))) && *eline != '\0';) |
| 1368 | eline++; |
| 1369 | Var_Deletei(line, eline); |
| 1370 | return true1; |
| 1371 | } |
| 1372 | |
| 1373 | /* global hub for the construct */ |
| 1374 | static bool_Bool |
| 1375 | handle_bsd_command(Buffer linebuf, Buffer copy, const char *line) |
| 1376 | { |
| 1377 | char *stripped; |
| 1378 | |
| 1379 | while (ISSPACE(*line)(isspace((unsigned char)(*line)))) |
| 1380 | line++; |
| 1381 | |
| 1382 | /* delegate basic classification to the conditional module */ |
| 1383 | switch (Cond_Eval(line)) { |
| 1384 | case COND_SKIP1: |
| 1385 | /* Skip to next conditional that evaluates to COND_PARSE. */ |
| 1386 | do { |
| 1387 | line = Parse_ReadNextConditionalLine(linebuf); |
| 1388 | if (line != NULL((void *)0)) { |
| 1389 | while (ISSPACE(*line)(isspace((unsigned char)(*line)))) |
| 1390 | line++; |
| 1391 | stripped = strip_comments(copy, line); |
| 1392 | } |
| 1393 | } while (line != NULL((void *)0) && Cond_Eval(stripped) != COND_PARSE0); |
| 1394 | /* FALLTHROUGH */ |
| 1395 | case COND_PARSE0: |
| 1396 | return true1; |
| 1397 | case COND_ISFOR3: |
| 1398 | return handle_for_loop(linebuf, line + 3); |
| 1399 | case COND_ISINCLUDE5: |
| 1400 | return lookup_bsd_include(line + 7); |
| 1401 | case COND_ISPOISON6: |
| 1402 | return handle_poison(line + 6); |
| 1403 | case COND_ISUNDEF4: |
| 1404 | return handle_undef(line + 5); |
| 1405 | default: |
| 1406 | break; |
| 1407 | } |
| 1408 | |
| 1409 | return false0; |
| 1410 | } |
| 1411 | |
| 1412 | /* postprocess group of targets prior to linking stuff with them */ |
| 1413 | static bool_Bool |
| 1414 | register_target(GNode *gn, struct ohash *t) |
| 1415 | { |
| 1416 | unsigned int slot; |
| 1417 | uint32_t hv; |
| 1418 | const char *ename = NULL((void *)0); |
| 1419 | GNode *gn2; |
| 1420 | |
| 1421 | hv = ohash_interval(gn->name, &ename); |
| 1422 | |
| 1423 | slot = ohash_lookup_interval(t, gn->name, ename, hv); |
| 1424 | gn2 = ohash_find(t, slot); |
| 1425 | |
| 1426 | if (gn2 == NULL((void *)0)) { |
| 1427 | ohash_insert(t, slot, gn); |
| 1428 | return true1; |
| 1429 | } else |
| 1430 | return false0; |
| 1431 | } |
| 1432 | |
| 1433 | static void |
| 1434 | build_target_group(struct growableArray *targets, struct ohash *t) |
| 1435 | { |
| 1436 | LstNode ln; |
| 1437 | bool_Bool seen_target = false0; |
| 1438 | unsigned int i; |
| 1439 | |
| 1440 | /* may be 0 if wildcard expansion resulted in zero match */ |
| 1441 | if (targets->n <= 1) |
| 1442 | return; |
| 1443 | |
| 1444 | /* Perform checks to see if we must tie targets together */ |
| 1445 | /* XXX */ |
| 1446 | if (targets->a[0]->type & OP_TRANSFORM0x00040000) |
| 1447 | return; |
| 1448 | |
| 1449 | for (ln = Lst_First(&targets->a[0]->commands)((&targets->a[0]->commands)->firstPtr); ln != NULL((void *)0); |
| 1450 | ln = Lst_Adv(ln)((ln)->nextPtr)) { |
| 1451 | struct command *cmd = Lst_Datum(ln)((ln)->datum); |
| 1452 | if (Var_Check_for_target(cmd->string)) { |
| 1453 | seen_target = true1; |
| 1454 | break; |
| 1455 | } |
| 1456 | } |
| 1457 | if (DEBUG(TARGGROUP)(debug & 0x80000)) { |
| 1458 | fprintf(stderr(&__sF[2]), |
| 1459 | seen_target ? "No target group at %lu: ": |
| 1460 | "Target group at %lu:", Parse_Getlineno()); |
| 1461 | for (i = 0; i < targets->n; i++) |
| 1462 | fprintf(stderr(&__sF[2]), " %s", targets->a[i]->name); |
| 1463 | fprintf(stderr(&__sF[2]), "\n"); |
| 1464 | } |
| 1465 | if (seen_target) |
| 1466 | return; |
| 1467 | |
| 1468 | GNode *gn, *gn2; |
| 1469 | /* targets may already participate in groupling lists, |
| 1470 | * so rebuild the circular list "from scratch" |
| 1471 | */ |
| 1472 | |
| 1473 | for (i = 0; i < targets->n; i++) { |
| 1474 | gn = targets->a[i]; |
| 1475 | for (gn2 = gn->groupling; gn2 != gn; gn2 = gn2->groupling) { |
| 1476 | if (!gn2) |
| 1477 | break; |
| 1478 | register_target(gn2, t); |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | for (gn = ohash_first(t, &i); gn != NULL((void *)0); gn = ohash_next(t, &i)) { |
| 1483 | gn->groupling = gn2; |
| 1484 | gn2 = gn; |
| 1485 | } |
| 1486 | gn = ohash_first(t, &i); |
| 1487 | gn->groupling = gn2; |
| 1488 | } |
| 1489 | |
| 1490 | static void |
| 1491 | reset_target_hash() |
| 1492 | { |
| 1493 | if (htargets_setup) |
| 1494 | ohash_delete(&htargets); |
| 1495 | ohash_init(&htargets, 5, &gnode_info); |
| 1496 | htargets_setup = true1; |
| 1497 | } |
| 1498 | |
| 1499 | void |
| 1500 | Parse_End() |
| 1501 | { |
| 1502 | if (htargets_setup) |
| 1503 | ohash_delete(&htargets); |
| 1504 | } |
| 1505 | |
| 1506 | static void |
| 1507 | dedup_targets(struct growableArray *targets) |
| 1508 | { |
| 1509 | unsigned int i, j; |
| 1510 | |
| 1511 | if (targets->n <= 1) |
| 1512 | return; |
| 1513 | |
| 1514 | reset_target_hash(); |
| 1515 | /* first let's de-dup the list */ |
| 1516 | for (i = 0, j = 0; i < targets->n; i++) { |
| 1517 | GNode *gn = targets->a[i]; |
| 1518 | if (register_target(gn, &htargets)) |
| 1519 | targets->a[j++] = targets->a[i]; |
| 1520 | } |
| 1521 | targets->n = j; |
| 1522 | } |
| 1523 | |
| 1524 | |
| 1525 | /*** |
| 1526 | *** handle a group of commands |
| 1527 | ***/ |
| 1528 | |
| 1529 | static void |
| 1530 | finish_commands(struct growableArray *targets) |
| 1531 | { |
| 1532 | build_target_group(targets, &htargets); |
| 1533 | Array_Every(targets, ParseHasCommands)do { unsigned int i; for (i = 0; i < (targets)->n; i++) (ParseHasCommands)((targets)->a[i]); } while (0); |
| 1534 | } |
| 1535 | |
| 1536 | static void |
| 1537 | parse_commands(struct growableArray *targets, const char *line) |
| 1538 | { |
| 1539 | /* add the command to the list of |
| 1540 | * commands of all targets in the dependency spec */ |
| 1541 | |
| 1542 | struct command *cmd; |
| 1543 | size_t len = strlen(line); |
| 1544 | |
| 1545 | cmd = emalloc(sizeof(struct command) + len); |
| 1546 | memcpy(&cmd->string, line, len+1); |
| 1547 | Parse_FillLocation(&cmd->location); |
| 1548 | |
| 1549 | Array_ForEach(targets, ParseAddCmd, cmd)do { unsigned int i; for (i = 0; i < (targets)->n; i++) (ParseAddCmd)((targets)->a[i], (cmd)); } while (0); |
| 1550 | } |
| 1551 | |
| 1552 | static bool_Bool |
| 1553 | parse_as_special_line(Buffer buf, Buffer copy, const char *line) |
| 1554 | { |
| 1555 | if (*line == '.' && handle_bsd_command(buf, copy, line+1)) |
| 1556 | return true1; |
| 1557 | if (strncmp(line, "include", 7) == 0 && |
| 1558 | ISSPACE(line[7])(isspace((unsigned char)(line[7]))) && |
| 1559 | strchr(line, ':') == NULL((void *)0)) { |
| 1560 | /* It's an S3/S5-style "include". */ |
| 1561 | lookup_sysv_include(line + 7, "include"); |
| 1562 | return true1; |
| 1563 | } |
| 1564 | if (strncmp(line, "sinclude", 8) == 0 && |
| 1565 | ISSPACE(line[8])(isspace((unsigned char)(line[8]))) && |
| 1566 | strchr(line, ':') == NULL((void *)0)) { |
| 1567 | lookup_conditional_include(line+8, "sinclude"); |
| 1568 | return true1; |
| 1569 | } |
| 1570 | if (strncmp(line, "-include", 8) == 0 && |
| 1571 | ISSPACE(line[8])(isspace((unsigned char)(line[8]))) && |
| 1572 | strchr(line, ':') == NULL((void *)0)) { |
| 1573 | lookup_conditional_include(line+8, "-include"); |
| 1574 | return true1; |
| 1575 | } |
| 1576 | return false0; |
| 1577 | } |
| 1578 | |
| 1579 | static void |
| 1580 | parse_target_line(struct growableArray *targets, const char *line, |
| 1581 | const char *stripped, bool_Bool *pcommands_seen) |
| 1582 | { |
| 1583 | size_t pos; |
| 1584 | char *end; |
| 1585 | char *cp; |
| 1586 | char *cmd; |
| 1587 | |
| 1588 | /* let's start a new set of commands */ |
| 1589 | Array_Reset(targets)do { (targets)->n = 0; } while (0); |
| 1590 | |
| 1591 | /* XXX this is a dirty heuristic to handle target: dep ; commands */ |
| 1592 | cmd = NULL((void *)0); |
| 1593 | /* First we need to find eventual dependencies */ |
| 1594 | pos = strcspn(stripped, ":!"); |
| 1595 | /* go over :!, and find ; */ |
| 1596 | if (stripped[pos] != '\0' && |
| 1597 | (end = strchr(stripped+pos+1, ';')) != NULL((void *)0)) { |
| 1598 | if (line != stripped) |
| 1599 | /* find matching ; in original... The |
| 1600 | * original might be slightly longer. */ |
| 1601 | cmd = strchr(line+(end-stripped), ';'); |
| 1602 | else |
| 1603 | cmd = end; |
| 1604 | /* kill end of line. */ |
| 1605 | *end = '\0'; |
| 1606 | } |
| 1607 | /* We now know it's a dependency line so it needs to |
| 1608 | * have all variables expanded before being parsed. |
| 1609 | */ |
| 1610 | cp = Var_Subst(stripped, NULL((void *)0), false0); |
| 1611 | ParseDoDependency(cp); |
| 1612 | free(cp); |
| 1613 | |
| 1614 | /* Parse command if it's not empty. */ |
| 1615 | if (cmd != NULL((void *)0)) { |
| 1616 | do { |
| 1617 | cmd++; |
| 1618 | } while (ISSPACE(*cmd)(isspace((unsigned char)(*cmd)))); |
| 1619 | if (*cmd != '\0') { |
| 1620 | parse_commands(targets, cmd); |
| 1621 | *pcommands_seen = true1; |
| 1622 | } |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | void |
| 1627 | Parse_File(const char *filename, FILE *stream) |
| 1628 | { |
| 1629 | char *line; |
| 1630 | bool_Bool expectingCommands = false0; |
| 1631 | bool_Bool commands_seen = false0; |
| 1632 | |
| 1633 | /* permanent spaces to shave time */ |
| 1634 | static BUFFER buf; |
| 1635 | static BUFFER copy; |
| 1636 | |
| 1637 | Buf_Reinit(&buf, MAKE_BSIZE256); |
| 1638 | Buf_Reinit(©, MAKE_BSIZE256); |
| 1639 | |
| 1640 | Parse_FromFile(filename, stream); |
| 1641 | do { |
| 1642 | while ((line = Parse_ReadNormalLine(&buf)) != NULL((void *)0)) { |
| 1643 | if (*line == '\t') { |
| 1644 | if (expectingCommands) { |
| 1645 | commands_seen = true1; |
| 1646 | parse_commands(>argets, line+1); |
| 1647 | } else |
| 1648 | Parse_Error(PARSE_FATAL1, |
| 1649 | "Unassociated shell command \"%s\"", |
| 1650 | line); |
| 1651 | } else { |
| 1652 | const char *stripped = strip_comments(©, |
| 1653 | line); |
| 1654 | if (!parse_as_special_line(&buf, ©, |
| 1655 | stripped)) { |
| 1656 | if (commands_seen) |
| 1657 | finish_commands(>argets); |
| 1658 | commands_seen = false0; |
| 1659 | if (Parse_As_Var_Assignment(stripped)) |
| 1660 | expectingCommands = false0; |
| 1661 | else { |
| 1662 | parse_target_line(>argets, |
| 1663 | line, stripped, |
| 1664 | &commands_seen); |
| 1665 | expectingCommands = true1; |
| 1666 | } |
| 1667 | } |
| 1668 | } |
| 1669 | } |
| 1670 | } while (Parse_NextFile()); |
| 1671 | |
| 1672 | if (commands_seen) |
| 1673 | finish_commands(>argets); |
| 1674 | /* Make sure conditionals are clean. */ |
| 1675 | Cond_End(); |
| 1676 | |
| 1677 | Parse_ReportErrors(); |
| 1678 | } |
| 1679 | |
| 1680 | void |
| 1681 | Parse_Init(void) |
| 1682 | { |
| 1683 | mainNode = NULL((void *)0); |
| 1684 | Static_Lst_Init(userIncludePath); |
| 1685 | Static_Lst_Init(systemIncludePath); |
| 1686 | Array_Init(>argets, TARGETS_SIZE)do { (>argets)->size = (32); (>argets)->n = 0; (>argets)->a = ereallocarray(((void *)0), (& gtargets)->size, sizeof(GNode *)); } while (0); |
| 1687 | Array_Init(&gsources, SOURCES_SIZE)do { (&gsources)->size = (128); (&gsources)->n = 0; (&gsources)->a = ereallocarray(((void *)0), (& gsources)->size, sizeof(GNode *)); } while (0); |
| 1688 | create_special_nodes(); |
| 1689 | } |
| 1690 | |
| 1691 | void |
| 1692 | Parse_MainName(Lst listmain) /* result list */ |
| 1693 | { |
| 1694 | if (mainNode == NULL((void *)0)) { |
| 1695 | dump_unreadable(); |
| 1696 | Punt("no target to make."); |
| 1697 | /*NOTREACHED*/ |
| 1698 | } else if (mainNode->type & OP_DOUBLEDEP0x00000004) { |
| 1699 | Lst_AtEnd(listmain, mainNode); |
| 1700 | Lst_Concat(listmain, &mainNode->cohorts); |
| 1701 | } |
| 1702 | else |
| 1703 | Lst_AtEnd(listmain, mainNode); |
| 1704 | } |