/* $OpenPackages$ */ /* $OpenBSD: targ.c,v 1.40 2006/01/20 23:10:19 espie Exp $ */ /* $NetBSD: targ.c,v 1.11 1997/02/20 16:51:50 christos Exp $ */ /* * Copyright (c) 1999 Marc Espie. * * Extensive code changes for the OpenBSD project. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1988, 1989, 1990, 1993 * The Regents of the University of California. All rights reserved. * Copyright (c) 1989 by Berkeley Softworks * All rights reserved. * * This code is derived from software contributed to Berkeley by * Adam de Boor. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /*- * targ.c -- * Target nodes are kept into a hash table. * * Interface: * Targ_Init Initialization procedure. * * Targ_End Cleanup the module * * Targ_NewGN Create a new GNode for the passed target * (string). The node is *not* placed in the * hash table, though all its fields are * initialized. * * Targ_FindNode Find the node for a given target, creating * and storing it if it doesn't exist and the * flags are right (TARG_CREATE) * * Targ_FindList Given a list of names, find nodes for all * of them, creating nodes if needed. * * Targ_Ignore Return true if errors should be ignored when * creating the given target. * * Targ_Silent Return true if we should be silent when * creating the given target. * * Targ_Precious Return true if the target is precious and * should not be removed if we are interrupted. * * Debugging: * Targ_PrintGraph Print out the entire graphm all variables * and statistics for the directory cache. Should * print something for suffixes, too, but... */ #include #include #include #include #include #include "config.h" #include "defines.h" #include "ohash.h" #include "stats.h" #include "suff.h" #include "var.h" #include "targ.h" #include "memory.h" #include "gnode.h" #include "extern.h" #include "timestamp.h" #include "lst.h" #ifdef CLEANUP #include #endif static struct ohash targets; /* a hash table of same */ static struct ohash_info gnode_info = { offsetof(GNode, name), NULL, hash_alloc, hash_free, element_alloc }; static void TargPrintOnlySrc(GNode *); static void TargPrintName(void *); static void TargPrintNode(GNode *, int); #ifdef CLEANUP static LIST allTargets; static void TargFreeGN(void *); #endif /*- *----------------------------------------------------------------------- * Targ_Init -- * Initialize this module * * Side Effects: * The targets hash table is initialized *----------------------------------------------------------------------- */ void Targ_Init(void) { /* A small make file already creates 200 targets. */ ohash_init(&targets, 10, &gnode_info); #ifdef CLEANUP Lst_Init(&allTargets); #endif } /*- *----------------------------------------------------------------------- * Targ_End -- * Finalize this module * * Side Effects: * All lists and gnodes are cleared *----------------------------------------------------------------------- */ #ifdef CLEANUP void Targ_End(void) { Lst_Every(&allTargets, TargFreeGN); ohash_delete(&targets); } #endif /*- *----------------------------------------------------------------------- * Targ_NewGNi -- * Create and initialize a new graph node * * Results: * An initialized graph node with the name field filled with a copy * of the passed name * * Side effect: * add targets to list of all targets if CLEANUP *----------------------------------------------------------------------- */ GNode * Targ_NewGNi(const char *name, /* the name to stick in the new node */ const char *ename) { GNode *gn; gn = ohash_create_entry(&gnode_info, name, &ename); gn->path = NULL; if (name[0] == '-' && name[1] == 'l') { gn->type = OP_LIB; } else { gn->type = 0; } gn->unmade = 0; gn->make = false; gn->made = UNMADE; gn->childMade = false; gn->order = 0; ts_set_out_of_date(gn->mtime); ts_set_out_of_date(gn->cmtime); Lst_Init(&gn->iParents); Lst_Init(&gn->cohorts); Lst_Init(&gn->parents); Lst_Init(&gn->children); Lst_Init(&gn->successors); Lst_Init(&gn->preds); SymTable_Init(&gn->context); gn->lineno = 0; gn->fname = NULL; Lst_Init(&gn->commands); gn->suffix = NULL; #ifdef STATS_GN_CREATION STAT_GN_COUNT++; #endif #ifdef CLEANUP Lst_AtEnd(&allTargets, gn); #endif return gn; } #ifdef CLEANUP /*- *----------------------------------------------------------------------- * TargFreeGN -- * Destroy a GNode *----------------------------------------------------------------------- */ static void TargFreeGN(void *gnp) { GNode *gn = (GNode *)gnp; efree(gn->path); Lst_Destroy(&gn->iParents, NOFREE); Lst_Destroy(&gn->cohorts, NOFREE); Lst_Destroy(&gn->parents, NOFREE); Lst_Destroy(&gn->children, NOFREE); Lst_Destroy(&gn->successors, NOFREE); Lst_Destroy(&gn->preds, NOFREE); Lst_Destroy(&gn->commands, NOFREE); SymTable_Destroy(&gn->context); free(gn); } #endif /*- *----------------------------------------------------------------------- * Targ_FindNodei -- * Find a node in the list using the given name for matching * * Results: * The node in the list if it was. If it wasn't, return NULL if * flags was TARG_NOCREATE or the newly created and initialized node * if flags was TARG_CREATE * * Side Effects: * Sometimes a node is created and added to the list *----------------------------------------------------------------------- */ GNode * Targ_FindNodei(const char *name, const char *ename, int flags) /* flags governing events when target not * found */ { GNode *gn; /* node in that element */ unsigned int slot; slot = ohash_qlookupi(&targets, name, &ename); gn = ohash_find(&targets, slot); if (gn == NULL && (flags & TARG_CREATE)) { gn = Targ_NewGNi(name, ename); ohash_insert(&targets, slot, gn); } return gn; } /*- *----------------------------------------------------------------------- * Targ_FindList -- * Make a complete list of GNodes from the given list of names * * Side Effects: * Nodes will be created for all names in names which do not yet have graph * nodes. * * A complete list of graph nodes corresponding to all instances of all * the names in names is added to nodes. * ----------------------------------------------------------------------- */ void Targ_FindList(Lst nodes, /* result list */ Lst names) /* list of names to find */ { LstNode ln; /* name list element */ GNode *gn; /* node in tLn */ char *name; for (ln = Lst_First(names); ln != NULL; ln = Lst_Adv(ln)) { name = (char *)Lst_Datum(ln); gn = Targ_FindNode(name, TARG_CREATE); /* Note: Lst_AtEnd must come before the Lst_Concat so the nodes * are added to the list in the order in which they were * encountered in the makefile. */ Lst_AtEnd(nodes, gn); if (gn->type & OP_DOUBLEDEP) Lst_Concat(nodes, &gn->cohorts); } } /*- *----------------------------------------------------------------------- * Targ_Ignore -- * Return true if should ignore errors when creating gn *----------------------------------------------------------------------- */ bool Targ_Ignore(GNode *gn) { if (ignoreErrors || gn->type & OP_IGNORE) return true; else return false; } /*- *----------------------------------------------------------------------- * Targ_Silent -- * Return true if be silent when creating gn *----------------------------------------------------------------------- */ bool Targ_Silent(GNode *gn) { if (beSilent || gn->type & OP_SILENT) return true; else return false; } /*- *----------------------------------------------------------------------- * Targ_Precious -- * See if the given target is precious *----------------------------------------------------------------------- */ bool Targ_Precious(GNode *gn) { if (allPrecious || (gn->type & (OP_PRECIOUS|OP_DOUBLEDEP))) return true; else return false; } /******************* DEBUG INFO PRINTING ****************/ static GNode *mainTarg; /* the main target, as set by Targ_SetMain */ /*- *----------------------------------------------------------------------- * Targ_SetMain -- * Set our idea of the main target we'll be creating. Used for * debugging output. * * Side Effects: * "mainTarg" is set to the main target's node. *----------------------------------------------------------------------- */ void Targ_SetMain(GNode *gn) { mainTarg = gn; } static void TargPrintName(void *gnp) { GNode *gn = (GNode *)gnp; printf("%s ", gn->name); } void Targ_PrintCmd(void *cmd) { printf("\t%s\n", (char *)cmd); } /*- *----------------------------------------------------------------------- * Targ_FmtTime -- * Format a modification time in some reasonable way and return it. * * Results: * The time reformatted. * * Side Effects: * The time is placed in a static area, so it is overwritten * with each call. *----------------------------------------------------------------------- */ char * Targ_FmtTime(TIMESTAMP time) { struct tm *parts; static char buf[128]; time_t t; t = timestamp2time_t(time); parts = localtime(&t); strftime(buf, sizeof buf, "%H:%M:%S %b %d, %Y", parts); buf[sizeof(buf) - 1] = '\0'; return buf; } /*- *----------------------------------------------------------------------- * Targ_PrintType -- * Print out a type field giving only those attributes the user can * set. *----------------------------------------------------------------------- */ void Targ_PrintType(int type) { int tbit; #define PRINTBIT(attr) case CONCAT(OP_,attr): printf("." #attr " "); break #define PRINTDBIT(attr) case CONCAT(OP_,attr): if (DEBUG(TARG)) printf("." #attr " "); break type &= ~OP_OPMASK; while (type) { tbit = 1 << (ffs(type) - 1); type &= ~tbit; switch (tbit) { PRINTBIT(OPTIONAL); PRINTBIT(USE); PRINTBIT(EXEC); PRINTBIT(IGNORE); PRINTBIT(PRECIOUS); PRINTBIT(SILENT); PRINTBIT(MAKE); PRINTBIT(JOIN); PRINTBIT(INVISIBLE); PRINTBIT(NOTMAIN); PRINTDBIT(LIB); /*XXX: MEMBER is defined, so CONCAT(OP_,MEMBER) gives OP_"%" */ case OP_MEMBER: if (DEBUG(TARG)) printf(".MEMBER "); break; PRINTDBIT(ARCHV); } } } /*- *----------------------------------------------------------------------- * TargPrintNode -- * print the contents of a node *----------------------------------------------------------------------- */ static void TargPrintNode(GNode *gn, int pass) { if (!OP_NOP(gn->type)) { printf("#\n"); if (gn == mainTarg) { printf("# *** MAIN TARGET ***\n"); } if (pass == 2) { if (gn->unmade) { printf("# %d unmade children\n", gn->unmade); } else { printf("# No unmade children\n"); } if (! (gn->type & (OP_JOIN|OP_USE|OP_EXEC))) { if (!is_out_of_date(gn->mtime)) { printf("# last modified %s: %s\n", Targ_FmtTime(gn->mtime), (gn->made == UNMADE ? "unmade" : (gn->made == MADE ? "made" : (gn->made == UPTODATE ? "up-to-date" : "error when made")))); } else if (gn->made != UNMADE) { printf("# non-existent (maybe): %s\n", (gn->made == MADE ? "made" : (gn->made == UPTODATE ? "up-to-date" : (gn->made == ERROR ? "error when made" : "aborted")))); } else { printf("# unmade\n"); } } if (!Lst_IsEmpty(&gn->iParents)) { printf("# implicit parents: "); Lst_Every(&gn->iParents, TargPrintName); fputc('\n', stdout); } } if (!Lst_IsEmpty(&gn->parents)) { printf("# parents: "); Lst_Every(&gn->parents, TargPrintName); fputc('\n', stdout); } printf("%-16s", gn->name); switch (gn->type & OP_OPMASK) { case OP_DEPENDS: printf(": "); break; case OP_FORCE: printf("! "); break; case OP_DOUBLEDEP: printf(":: "); break; } Targ_PrintType(gn->type); Lst_Every(&gn->children, TargPrintName); fputc('\n', stdout); Lst_Every(&gn->commands, Targ_PrintCmd); printf("\n\n"); if (gn->type & OP_DOUBLEDEP) { LstNode ln; for (ln = Lst_First(&gn->cohorts); ln != NULL; ln = Lst_Adv(ln)) TargPrintNode((GNode *)Lst_Datum(ln), pass); } } } /*- *----------------------------------------------------------------------- * TargPrintOnlySrc -- * Print targets that are just a source. *----------------------------------------------------------------------- */ static void TargPrintOnlySrc(GNode *gn) { if (OP_NOP(gn->type)) printf("#\t%s [%s]\n", gn->name, gn->path != NULL ? gn->path : gn->name); } /*- *----------------------------------------------------------------------- * Targ_PrintGraph -- * print the entire graph. *----------------------------------------------------------------------- */ void Targ_PrintGraph(int pass) /* Which pass this is. 1 => no processing * 2 => processing done */ { GNode *gn; unsigned int i; printf("#*** Input graph:\n"); for (gn = ohash_first(&targets, &i); gn != NULL; gn = ohash_next(&targets, &i)) TargPrintNode(gn, pass); printf("\n\n"); printf("#\n# Files that are only sources:\n"); for (gn = ohash_first(&targets, &i); gn != NULL; gn = ohash_next(&targets, &i)) TargPrintOnlySrc(gn); Var_Dump(); printf("\n"); #ifdef DEBUG_DIRECTORY_CACHE Dir_PrintDirectories(); printf("\n"); #endif Suff_PrintAll(); }