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hellwig |
/*
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* lcc [ option ]... [ file | -llib ]...
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* front end for the ANSI C compiler
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*/
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static char rcsid[] = "$Id: lcc.c,v 4.33 2001/06/28 22:19:58 drh Exp $";
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <ctype.h>
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#include <signal.h>
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#ifndef TEMPDIR
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#define TEMPDIR "/tmp"
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#endif
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typedef struct list *List;
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struct list { /* circular list nodes: */
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char *str; /* option or file name */
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List link; /* next list element */
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};
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static void *alloc(int);
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static List append(char *,List);
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extern char *basepath(char *);
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static int callsys(char *[]);
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extern char *concat(char *, char *);
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static int compile(char *, char *);
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static void compose(char *[], List, List, List);
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static void error(char *, char *);
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static char *exists(char *);
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static char *first(char *);
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static int filename(char *, char *);
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static List find(char *, List);
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static void help(void);
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static void initinputs(void);
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static void interrupt(int);
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static void opt(char *);
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static List path2list(const char *);
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extern int main(int, char *[]);
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extern char *replace(const char *, int, int);
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static void rm(List);
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extern char *strsave(const char *);
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extern char *stringf(const char *, ...);
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extern int suffix(char *, char *[], int);
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extern char *tempname(char *);
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extern int access(char *, int);
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extern int getpid(void);
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extern char *cpp[], *include[], *com[], *as[],*ld[], inputs[], *suffixes[];
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extern int option(char *);
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static int errcnt; /* number of errors */
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static int Eflag; /* -E specified */
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static int Sflag; /* -S specified */
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static int cflag; /* -c specified */
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static int verbose; /* incremented for each -v */
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static List llist[2]; /* loader files, flags */
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static List alist; /* assembler flags */
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static List clist; /* compiler flags */
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static List plist; /* preprocessor flags */
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static List ilist; /* list of additional includes from LCCINPUTS */
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static List rmlist; /* list of files to remove */
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static char *outfile; /* ld output file or -[cS] object file */
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static int ac; /* argument count */
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static char **av; /* argument vector */
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char *tempdir = TEMPDIR; /* directory for temporary files */
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static char *progname;
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static List lccinputs; /* list of input directories */
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main(int argc, char *argv[]) {
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int i, j, nf;
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progname = argv[0];
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ac = argc + 50;
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av = alloc(ac*sizeof(char *));
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if (signal(SIGINT, SIG_IGN) != SIG_IGN)
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signal(SIGINT, interrupt);
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if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
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signal(SIGTERM, interrupt);
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#ifdef SIGHUP
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if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
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signal(SIGHUP, interrupt);
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#endif
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if (getenv("TMP"))
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tempdir = getenv("TMP");
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else if (getenv("TEMP"))
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tempdir = getenv("TEMP");
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else if (getenv("TMPDIR"))
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tempdir = getenv("TMPDIR");
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assert(tempdir);
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i = strlen(tempdir);
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for (; i > 0 && tempdir[i-1] == '/' || tempdir[i-1] == '\\'; i--)
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tempdir[i-1] = '\0';
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if (argc <= 1) {
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help();
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exit(0);
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}
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plist = append("-D__LCC__", 0);
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initinputs();
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if (getenv("LCCDIR"))
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option(stringf("-lccdir=%s", getenv("LCCDIR")));
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for (nf = 0, i = j = 1; i < argc; i++) {
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if (strcmp(argv[i], "-o") == 0) {
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if (++i < argc) {
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if (suffix(argv[i], suffixes, 2) >= 0) {
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error("-o would overwrite %s", argv[i]);
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exit(8);
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}
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outfile = argv[i];
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continue;
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} else {
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error("unrecognized option `%s'", argv[i-1]);
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exit(8);
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}
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} else if (strcmp(argv[i], "-target") == 0) {
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if (argv[i+1] && *argv[i+1] != '-')
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i++;
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continue;
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} else if (*argv[i] == '-' && argv[i][1] != 'l') {
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opt(argv[i]);
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continue;
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} else if (*argv[i] != '-' && suffix(argv[i], suffixes, 3) >= 0)
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nf++;
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argv[j++] = argv[i];
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}
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if ((cflag || Sflag) && outfile && nf != 1) {
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fprintf(stderr, "%s: -o %s ignored\n", progname, outfile);
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outfile = 0;
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}
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argv[j] = 0;
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for (i = 0; include[i]; i++)
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plist = append(include[i], plist);
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if (ilist) {
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List b = ilist;
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do {
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b = b->link;
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plist = append(b->str, plist);
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} while (b != ilist);
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}
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ilist = 0;
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for (i = 1; argv[i]; i++)
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if (strcmp(argv[i], "-l") == 0 && argv[i+1] && *argv[i+1] != '-') { /* -l file */
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llist[1] = append(argv[i++], llist[1]);
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llist[1] = append(argv[i], llist[1]);
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} else if (*argv[i] == '-')
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opt(argv[i]);
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else {
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char *name = exists(argv[i]);
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if (name) {
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if (strcmp(name, argv[i]) != 0
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|| nf > 1 && suffix(name, suffixes, 3) >= 0)
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fprintf(stderr, "%s:\n", name);
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filename(name, 0);
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} else
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error("can't find `%s'", argv[i]);
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}
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if (errcnt == 0 && !Eflag && !Sflag && !cflag && llist[1]) {
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compose(ld, llist[0], llist[1],
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append(outfile ? outfile : concat("a", first(suffixes[4])), 0));
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if (callsys(av))
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errcnt++;
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}
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rm(rmlist);
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return errcnt ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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/* alloc - allocate n bytes or die */
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static void *alloc(int n) {
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static char *avail, *limit;
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n = (n + sizeof(char *) - 1)&~(sizeof(char *) - 1);
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if (n >= limit - avail) {
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avail = malloc(n + 4*1024);
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assert(avail);
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limit = avail + n + 4*1024;
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}
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avail += n;
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return avail - n;
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}
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/* append - append a node with string str onto list, return new list */
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static List append(char *str, List list) {
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List p = alloc(sizeof *p);
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p->str = str;
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if (list) {
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p->link = list->link;
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list->link = p;
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} else
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p->link = p;
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return p;
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}
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| 198 |
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/* basepath - return base name for name, e.g. /usr/drh/foo.c => foo */
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char *basepath(char *name) {
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char *s, *b, *t = 0;
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for (b = s = name; *s; s++)
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if (*s == '/' || *s == '\\') {
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b = s + 1;
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t = 0;
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} else if (*s == '.')
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t = s;
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s = strsave(b);
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if (t)
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s[t-b] = 0;
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return s;
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}
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| 214 |
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#ifdef WIN32
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#include <process.h>
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#else
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#define _P_WAIT 0
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extern int fork(void);
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extern int wait(int *);
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extern int execv(const char *, char *[]);
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| 222 |
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static int _spawnvp(int mode, const char *cmdname, const char *const argv[]) {
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int pid, n, status;
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switch (pid = fork()) {
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case -1:
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fprintf(stderr, "%s: no more processes\n", progname);
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return 100;
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case 0:
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execv(cmdname, (char **)argv);
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fprintf(stderr, "%s: ", progname);
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perror(cmdname);
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fflush(stdout);
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exit(100);
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| 235 |
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}
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| 236 |
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while ((n = wait(&status)) != pid && n != -1)
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| 237 |
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;
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| 238 |
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if (n == -1)
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| 239 |
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status = -1;
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| 240 |
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if (status&0377) {
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| 241 |
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fprintf(stderr, "%s: fatal error in %s\n", progname, cmdname);
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| 242 |
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status |= 0400;
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| 243 |
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}
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| 244 |
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return (status>>8)&0377;
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}
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| 246 |
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#endif
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| 247 |
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| 248 |
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/* callsys - execute the command described by av[0...], return status */
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| 249 |
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static int callsys(char **av) {
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| 250 |
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int i, status = 0;
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| 251 |
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static char **argv;
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| 252 |
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static int argc;
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| 253 |
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| 254 |
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for (i = 0; av[i] != NULL; i++)
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| 255 |
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;
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| 256 |
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if (i + 1 > argc) {
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| 257 |
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argc = i + 1;
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| 258 |
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if (argv == NULL)
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| 259 |
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argv = malloc(argc*sizeof *argv);
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else
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| 261 |
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argv = realloc(argv, argc*sizeof *argv);
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| 262 |
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assert(argv);
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| 263 |
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}
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| 264 |
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for (i = 0; status == 0 && av[i] != NULL; ) {
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| 265 |
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int j = 0;
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| 266 |
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char *s;
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| 267 |
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for ( ; av[i] != NULL && (s = strchr(av[i], '\n')) == NULL; i++)
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| 268 |
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argv[j++] = av[i];
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| 269 |
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if (s != NULL) {
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| 270 |
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if (s > av[i])
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| 271 |
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argv[j++] = stringf("%.*s", s - av[i], av[i]);
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| 272 |
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if (s[1] != '\0')
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| 273 |
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av[i] = s + 1;
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| 274 |
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else
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| 275 |
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i++;
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| 276 |
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}
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| 277 |
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argv[j] = NULL;
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| 278 |
|
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if (verbose > 0) {
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| 279 |
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int k;
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| 280 |
|
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fprintf(stderr, "%s", argv[0]);
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| 281 |
|
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for (k = 1; argv[k] != NULL; k++)
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| 282 |
|
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fprintf(stderr, " %s", argv[k]);
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| 283 |
|
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fprintf(stderr, "\n");
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| 284 |
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}
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| 285 |
|
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if (verbose < 2)
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| 286 |
|
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status = _spawnvp(_P_WAIT, argv[0], (const char * const *)argv);
|
| 287 |
|
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if (status == -1) {
|
| 288 |
|
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fprintf(stderr, "%s: ", progname);
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| 289 |
|
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perror(argv[0]);
|
| 290 |
|
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}
|
| 291 |
|
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}
|
| 292 |
|
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return status;
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| 293 |
|
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}
|
| 294 |
|
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|
| 295 |
|
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/* concat - return concatenation of strings s1 and s2 */
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| 296 |
|
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char *concat(char *s1, char *s2) {
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| 297 |
|
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int n = strlen(s1);
|
| 298 |
|
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char *s = alloc(n + strlen(s2) + 1);
|
| 299 |
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| 300 |
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strcpy(s, s1);
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| 301 |
|
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strcpy(s + n, s2);
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| 302 |
|
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return s;
|
| 303 |
|
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}
|
| 304 |
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|
| 305 |
|
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/* compile - compile src into dst, return status */
|
| 306 |
|
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static int compile(char *src, char *dst) {
|
| 307 |
|
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compose(com, clist, append(src, 0), append(dst, 0));
|
| 308 |
|
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return callsys(av);
|
| 309 |
|
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}
|
| 310 |
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|
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| 311 |
|
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/* compose - compose cmd into av substituting a, b, c for $1, $2, $3, resp. */
|
| 312 |
|
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static void compose(char *cmd[], List a, List b, List c) {
|
| 313 |
|
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int i, j;
|
| 314 |
|
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List lists[3];
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| 315 |
|
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| 316 |
|
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lists[0] = a;
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| 317 |
|
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lists[1] = b;
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| 318 |
|
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lists[2] = c;
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| 319 |
|
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for (i = j = 0; cmd[i]; i++) {
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| 320 |
|
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char *s = strchr(cmd[i], '$');
|
| 321 |
|
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if (s && isdigit(s[1])) {
|
| 322 |
|
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int k = s[1] - '0';
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| 323 |
|
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assert(k >=1 && k <= 3);
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| 324 |
|
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if (b = lists[k-1]) {
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| 325 |
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b = b->link;
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| 326 |
|
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av[j] = alloc(strlen(cmd[i]) + strlen(b->str) - 1);
|
| 327 |
|
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strncpy(av[j], cmd[i], s - cmd[i]);
|
| 328 |
|
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av[j][s-cmd[i]] = '\0';
|
| 329 |
|
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strcat(av[j], b->str);
|
| 330 |
|
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strcat(av[j++], s + 2);
|
| 331 |
|
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while (b != lists[k-1]) {
|
| 332 |
|
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b = b->link;
|
| 333 |
|
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assert(j < ac);
|
| 334 |
|
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av[j++] = b->str;
|
| 335 |
|
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};
|
| 336 |
|
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}
|
| 337 |
|
|
} else if (*cmd[i]) {
|
| 338 |
|
|
assert(j < ac);
|
| 339 |
|
|
av[j++] = cmd[i];
|
| 340 |
|
|
}
|
| 341 |
|
|
}
|
| 342 |
|
|
av[j] = NULL;
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
/* error - issue error msg according to fmt, bump error count */
|
| 346 |
|
|
static void error(char *fmt, char *msg) {
|
| 347 |
|
|
fprintf(stderr, "%s: ", progname);
|
| 348 |
|
|
fprintf(stderr, fmt, msg);
|
| 349 |
|
|
fprintf(stderr, "\n");
|
| 350 |
|
|
errcnt++;
|
| 351 |
|
|
}
|
| 352 |
|
|
|
| 353 |
|
|
/* exists - if `name' readable return its path name or return null */
|
| 354 |
|
|
static char *exists(char *name) {
|
| 355 |
|
|
List b;
|
| 356 |
|
|
|
| 357 |
|
|
if ( (name[0] == '/' || name[0] == '\\' || name[2] == ':')
|
| 358 |
|
|
&& access(name, 4) == 0)
|
| 359 |
|
|
return name;
|
| 360 |
|
|
if (!(name[0] == '/' || name[0] == '\\' || name[2] == ':')
|
| 361 |
|
|
&& (b = lccinputs))
|
| 362 |
|
|
do {
|
| 363 |
|
|
b = b->link;
|
| 364 |
|
|
if (b->str[0]) {
|
| 365 |
|
|
char buf[1024];
|
| 366 |
|
|
sprintf(buf, "%s/%s", b->str, name);
|
| 367 |
|
|
if (access(buf, 4) == 0)
|
| 368 |
|
|
return strsave(buf);
|
| 369 |
|
|
} else if (access(name, 4) == 0)
|
| 370 |
|
|
return name;
|
| 371 |
|
|
} while (b != lccinputs);
|
| 372 |
|
|
if (verbose > 1)
|
| 373 |
|
|
return name;
|
| 374 |
|
|
return 0;
|
| 375 |
|
|
}
|
| 376 |
|
|
|
| 377 |
|
|
/* first - return first component in semicolon separated list */
|
| 378 |
|
|
static char *first(char *list) {
|
| 379 |
|
|
char *s = strchr(list, ';');
|
| 380 |
|
|
|
| 381 |
|
|
if (s) {
|
| 382 |
|
|
char buf[1024];
|
| 383 |
|
|
strncpy(buf, list, s-list);
|
| 384 |
|
|
buf[s-list] = '\0';
|
| 385 |
|
|
return strsave(buf);
|
| 386 |
|
|
} else
|
| 387 |
|
|
return list;
|
| 388 |
|
|
}
|
| 389 |
|
|
|
| 390 |
|
|
/* filename - process file name argument `name', return status */
|
| 391 |
|
|
static int filename(char *name, char *base) {
|
| 392 |
|
|
int status = 0;
|
| 393 |
|
|
static char *stemp, *itemp;
|
| 394 |
|
|
|
| 395 |
|
|
if (base == 0)
|
| 396 |
|
|
base = basepath(name);
|
| 397 |
|
|
switch (suffix(name, suffixes, 4)) {
|
| 398 |
|
|
case 0: /* C source files */
|
| 399 |
|
|
compose(cpp, plist, append(name, 0), 0);
|
| 400 |
|
|
if (Eflag) {
|
| 401 |
|
|
status = callsys(av);
|
| 402 |
|
|
break;
|
| 403 |
|
|
}
|
| 404 |
|
|
if (itemp == NULL)
|
| 405 |
|
|
itemp = tempname(first(suffixes[1]));
|
| 406 |
|
|
compose(cpp, plist, append(name, 0), append(itemp, 0));
|
| 407 |
|
|
status = callsys(av);
|
| 408 |
|
|
if (status == 0)
|
| 409 |
|
|
return filename(itemp, base);
|
| 410 |
|
|
break;
|
| 411 |
|
|
case 1: /* preprocessed source files */
|
| 412 |
|
|
if (Eflag)
|
| 413 |
|
|
break;
|
| 414 |
|
|
if (Sflag)
|
| 415 |
|
|
status = compile(name, outfile ? outfile : concat(base, first(suffixes[2])));
|
| 416 |
|
|
else if ((status = compile(name, stemp?stemp:(stemp=tempname(first(suffixes[2]))))) == 0)
|
| 417 |
|
|
return filename(stemp, base);
|
| 418 |
|
|
break;
|
| 419 |
|
|
case 2: /* assembly language files */
|
| 420 |
|
|
if (Eflag)
|
| 421 |
|
|
break;
|
| 422 |
|
|
if (!Sflag) {
|
| 423 |
|
|
char *ofile;
|
| 424 |
|
|
if (cflag && outfile)
|
| 425 |
|
|
ofile = outfile;
|
| 426 |
|
|
else if (cflag)
|
| 427 |
|
|
ofile = concat(base, first(suffixes[3]));
|
| 428 |
|
|
else
|
| 429 |
|
|
ofile = tempname(first(suffixes[3]));
|
| 430 |
|
|
compose(as, alist, append(name, 0), append(ofile, 0));
|
| 431 |
|
|
status = callsys(av);
|
| 432 |
|
|
if (!find(ofile, llist[1]))
|
| 433 |
|
|
llist[1] = append(ofile, llist[1]);
|
| 434 |
|
|
}
|
| 435 |
|
|
break;
|
| 436 |
|
|
case 3: /* object files */
|
| 437 |
|
|
if (!find(name, llist[1]))
|
| 438 |
|
|
llist[1] = append(name, llist[1]);
|
| 439 |
|
|
break;
|
| 440 |
|
|
default:
|
| 441 |
|
|
if (Eflag) {
|
| 442 |
|
|
compose(cpp, plist, append(name, 0), 0);
|
| 443 |
|
|
status = callsys(av);
|
| 444 |
|
|
}
|
| 445 |
|
|
llist[1] = append(name, llist[1]);
|
| 446 |
|
|
break;
|
| 447 |
|
|
}
|
| 448 |
|
|
if (status)
|
| 449 |
|
|
errcnt++;
|
| 450 |
|
|
return status;
|
| 451 |
|
|
}
|
| 452 |
|
|
|
| 453 |
|
|
/* find - find 1st occurrence of str in list, return list node or 0 */
|
| 454 |
|
|
static List find(char *str, List list) {
|
| 455 |
|
|
List b;
|
| 456 |
|
|
|
| 457 |
|
|
if (b = list)
|
| 458 |
|
|
do {
|
| 459 |
|
|
if (strcmp(str, b->str) == 0)
|
| 460 |
|
|
return b;
|
| 461 |
|
|
} while ((b = b->link) != list);
|
| 462 |
|
|
return 0;
|
| 463 |
|
|
}
|
| 464 |
|
|
|
| 465 |
|
|
/* help - print help message */
|
| 466 |
|
|
static void help(void) {
|
| 467 |
|
|
static char *msgs[] = {
|
| 468 |
|
|
"", " [ option | file ]...\n",
|
| 469 |
|
|
" except for -l, options are processed left-to-right before files\n",
|
| 470 |
|
|
" unrecognized options are taken to be linker options\n",
|
| 471 |
|
|
"-A warn about nonANSI usage; 2nd -A warns more\n",
|
| 472 |
|
|
"-b emit expression-level profiling code; see bprint(1)\n",
|
| 473 |
|
|
#ifdef sparc
|
| 474 |
|
|
"-Bstatic -Bdynamic specify static or dynamic libraries\n",
|
| 475 |
|
|
#endif
|
| 476 |
|
|
"-Bdir/ use the compiler named `dir/rcc'\n",
|
| 477 |
|
|
"-c compile only\n",
|
| 478 |
|
|
"-dn set switch statement density to `n'\n",
|
| 479 |
|
|
"-Dname -Dname=def define the preprocessor symbol `name'\n",
|
| 480 |
|
|
"-E run only the preprocessor on the named C programs and unsuffixed files\n",
|
| 481 |
|
|
"-g produce symbol table information for debuggers\n",
|
| 482 |
|
|
"-help or -? print this message on standard error\n",
|
| 483 |
|
|
"-Idir add `dir' to the beginning of the list of #include directories\n",
|
| 484 |
|
|
"-lx search library `x'\n",
|
| 485 |
|
|
"-M emit makefile dependencies; implies -E\n",
|
| 486 |
|
|
"-N do not search the standard directories for #include files\n",
|
| 487 |
|
|
"-n emit code to check for dereferencing zero pointers\n",
|
| 488 |
|
|
"-O is ignored\n",
|
| 489 |
|
|
"-o file leave the output in `file'\n",
|
| 490 |
|
|
"-P print ANSI-style declarations for globals on standard error\n",
|
| 491 |
|
|
"-p -pg emit profiling code; see prof(1) and gprof(1)\n",
|
| 492 |
|
|
"-S compile to assembly language\n",
|
| 493 |
|
|
"-static specify static libraries (default is dynamic)\n",
|
| 494 |
|
|
"-dynamic specify dynamically linked libraries\n",
|
| 495 |
|
|
"-t -tname emit function tracing calls to printf or to `name'\n",
|
| 496 |
|
|
"-target name is ignored\n",
|
| 497 |
|
|
"-tempdir=dir place temporary files in `dir/'", "\n"
|
| 498 |
|
|
"-Uname undefine the preprocessor symbol `name'\n",
|
| 499 |
|
|
"-v show commands as they are executed; 2nd -v suppresses execution\n",
|
| 500 |
|
|
"-w suppress warnings\n",
|
| 501 |
|
|
"-Woarg specify system-specific `arg'\n",
|
| 502 |
|
|
"-W[pfal]arg pass `arg' to the preprocessor, compiler, assembler, or linker\n",
|
| 503 |
|
|
|
| 504 |
|
|
int i;
|
| 505 |
|
|
char *s;
|
| 506 |
|
|
|
| 507 |
|
|
msgs[0] = progname;
|
| 508 |
|
|
for (i = 0; msgs[i]; i++) {
|
| 509 |
|
|
fprintf(stderr, "%s", msgs[i]);
|
| 510 |
|
|
if (strncmp("-tempdir", msgs[i], 8) == 0 && tempdir)
|
| 511 |
|
|
fprintf(stderr, "; default=%s", tempdir);
|
| 512 |
|
|
}
|
| 513 |
|
|
#define xx(v) if (s = getenv(#v)) fprintf(stderr, #v "=%s\n", s)
|
| 514 |
|
|
xx(LCCINPUTS);
|
| 515 |
|
|
xx(LCCDIR);
|
| 516 |
|
|
#ifdef WIN32
|
| 517 |
|
|
xx(include);
|
| 518 |
|
|
xx(lib);
|
| 519 |
|
|
#endif
|
| 520 |
|
|
#undef xx
|
| 521 |
|
|
}
|
| 522 |
|
|
|
| 523 |
|
|
/* initinputs - if LCCINPUTS or include is defined, use them to initialize various lists */
|
| 524 |
|
|
static void initinputs(void) {
|
| 525 |
|
|
char *s = getenv("LCCINPUTS");
|
| 526 |
|
|
List list, b;
|
| 527 |
|
|
|
| 528 |
|
|
if (s == 0 && (s = inputs)[0] == 0)
|
| 529 |
|
|
s = ".";
|
| 530 |
|
|
if (s) {
|
| 531 |
|
|
lccinputs = path2list(s);
|
| 532 |
|
|
if (b = lccinputs)
|
| 533 |
|
|
do {
|
| 534 |
|
|
b = b->link;
|
| 535 |
|
|
if (strcmp(b->str, ".") != 0) {
|
| 536 |
|
|
ilist = append(concat("-I", b->str), ilist);
|
| 537 |
|
|
if (strstr(com[1], "win32") == NULL)
|
| 538 |
|
|
llist[0] = append(concat("-L", b->str), llist[0]);
|
| 539 |
|
|
} else
|
| 540 |
|
|
b->str = "";
|
| 541 |
|
|
} while (b != lccinputs);
|
| 542 |
|
|
}
|
| 543 |
|
|
#ifdef WIN32
|
| 544 |
|
|
if (list = b = path2list(getenv("include")))
|
| 545 |
|
|
do {
|
| 546 |
|
|
int n;
|
| 547 |
|
|
b = b->link;
|
| 548 |
|
|
n = strlen(b->str);
|
| 549 |
|
|
if (b->str[n-1] == '\\')
|
| 550 |
|
|
b->str[n-1] = '/';
|
| 551 |
|
|
ilist = append(stringf("-I\"%s\"", b->str), ilist);
|
| 552 |
|
|
} while (b != list);
|
| 553 |
|
|
#endif
|
| 554 |
|
|
}
|
| 555 |
|
|
|
| 556 |
|
|
/* interrupt - catch interrupt signals */
|
| 557 |
|
|
static void interrupt(int n) {
|
| 558 |
|
|
rm(rmlist);
|
| 559 |
|
|
exit(n = 100);
|
| 560 |
|
|
}
|
| 561 |
|
|
|
| 562 |
|
|
/* opt - process option in arg */
|
| 563 |
|
|
static void opt(char *arg) {
|
| 564 |
|
|
switch (arg[1]) { /* multi-character options */
|
| 565 |
|
|
case 'W': /* -Wxarg */
|
| 566 |
|
|
if (arg[2] && arg[3])
|
| 567 |
|
|
switch (arg[2]) {
|
| 568 |
|
|
case 'o':
|
| 569 |
|
|
if (option(&arg[3]))
|
| 570 |
|
|
return;
|
| 571 |
|
|
break;
|
| 572 |
|
|
case 'p':
|
| 573 |
|
|
plist = append(&arg[3], plist);
|
| 574 |
|
|
return;
|
| 575 |
|
|
case 'f':
|
| 576 |
|
|
if (strcmp(&arg[3], "-C") == 0 && !option("-b"))
|
| 577 |
|
|
break; /* -C requires that -b is supported */
|
| 578 |
|
|
clist = append(&arg[3], clist);
|
| 579 |
|
|
if (strcmp(&arg[3], "-unsigned_char=1") == 0) {
|
| 580 |
|
|
plist = append("-D__CHAR_UNSIGNED__", plist);
|
| 581 |
|
|
plist = append("-U_CHAR_IS_SIGNED", plist);
|
| 582 |
|
|
}
|
| 583 |
|
|
#define xx(name,k) \
|
| 584 |
|
|
if (strcmp(&arg[3], "-wchar_t=" #name) == 0) \
|
| 585 |
|
|
plist = append("-D_WCHAR_T_SIZE=" #k, plist);
|
| 586 |
|
|
xx(unsigned_char,1)
|
| 587 |
|
|
xx(unsigned_short,2)
|
| 588 |
|
|
xx(unsigned_int,4)
|
| 589 |
|
|
#undef xx
|
| 590 |
|
|
return;
|
| 591 |
|
|
case 'a':
|
| 592 |
|
|
alist = append(&arg[3], alist);
|
| 593 |
|
|
return;
|
| 594 |
|
|
case 'l':
|
| 595 |
|
|
llist[0] = append(&arg[3], llist[0]);
|
| 596 |
|
|
return;
|
| 597 |
|
|
}
|
| 598 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 599 |
|
|
return;
|
| 600 |
|
|
case 'd': /* -dn -dynamic */
|
| 601 |
|
|
if (strcmp(arg, "-dynamic") == 0) {
|
| 602 |
|
|
if (!option(arg))
|
| 603 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 604 |
|
|
} else {
|
| 605 |
|
|
arg[1] = 's';
|
| 606 |
|
|
clist = append(arg, clist);
|
| 607 |
|
|
}
|
| 608 |
|
|
return;
|
| 609 |
|
|
case 't': /* -t -tname -tempdir=dir */
|
| 610 |
|
|
if (strncmp(arg, "-tempdir=", 9) == 0)
|
| 611 |
|
|
tempdir = arg + 9;
|
| 612 |
|
|
else
|
| 613 |
|
|
clist = append(arg, clist);
|
| 614 |
|
|
return;
|
| 615 |
|
|
case 'p': /* -p -pg */
|
| 616 |
|
|
if (option(arg))
|
| 617 |
|
|
clist = append(arg, clist);
|
| 618 |
|
|
else
|
| 619 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 620 |
|
|
return;
|
| 621 |
|
|
case 'D': /* -Dname -Dname=def */
|
| 622 |
|
|
case 'U': /* -Uname */
|
| 623 |
|
|
case 'I': /* -Idir */
|
| 624 |
|
|
plist = append(arg, plist);
|
| 625 |
|
|
return;
|
| 626 |
|
|
case 'B': /* -Bdir -Bstatic -Bdynamic */
|
| 627 |
|
|
#ifdef sparc
|
| 628 |
|
|
if (strcmp(arg, "-Bstatic") == 0 || strcmp(arg, "-Bdynamic") == 0)
|
| 629 |
|
|
llist[1] = append(arg, llist[1]);
|
| 630 |
|
|
else
|
| 631 |
|
|
#endif
|
| 632 |
|
|
{
|
| 633 |
|
|
static char *path;
|
| 634 |
|
|
if (path)
|
| 635 |
|
|
error("-B overwrites earlier option", 0);
|
| 636 |
|
|
path = arg + 2;
|
| 637 |
|
|
if (strstr(com[1], "win32") != NULL)
|
| 638 |
|
|
com[0] = concat(replace(path, '/', '\\'), concat("rcc", first(suffixes[4])));
|
| 639 |
|
|
else
|
| 640 |
|
|
com[0] = concat(path, "rcc");
|
| 641 |
|
|
if (path[0] == 0)
|
| 642 |
|
|
error("missing directory in -B option", 0);
|
| 643 |
|
|
}
|
| 644 |
|
|
return;
|
| 645 |
|
|
case 'h':
|
| 646 |
|
|
if (strcmp(arg, "-help") == 0) {
|
| 647 |
|
|
static int printed = 0;
|
| 648 |
|
|
case '?':
|
| 649 |
|
|
if (!printed)
|
| 650 |
|
|
help();
|
| 651 |
|
|
printed = 1;
|
| 652 |
|
|
return;
|
| 653 |
|
|
}
|
| 654 |
|
|
break;
|
| 655 |
|
|
case 's':
|
| 656 |
|
|
if (strcmp(arg, "-static") == 0) {
|
| 657 |
|
|
if (!option(arg))
|
| 658 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 659 |
|
|
return;
|
| 660 |
|
|
}
|
| 661 |
|
|
break;
|
| 662 |
|
|
}
|
| 663 |
|
|
if (arg[2] == 0)
|
| 664 |
|
|
switch (arg[1]) { /* single-character options */
|
| 665 |
|
|
case 'S':
|
| 666 |
|
|
Sflag++;
|
| 667 |
|
|
return;
|
| 668 |
|
|
case 'O':
|
| 669 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 670 |
|
|
return;
|
| 671 |
|
|
case 'A': case 'n': case 'w': case 'P':
|
| 672 |
|
|
clist = append(arg, clist);
|
| 673 |
|
|
return;
|
| 674 |
|
|
case 'g': case 'b':
|
| 675 |
|
|
if (option(arg))
|
| 676 |
|
|
clist = append(arg[1] == 'g' ? "-g2" : arg, clist);
|
| 677 |
|
|
else
|
| 678 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 679 |
|
|
return;
|
| 680 |
|
|
case 'G':
|
| 681 |
|
|
if (option(arg)) {
|
| 682 |
|
|
clist = append("-g3", clist);
|
| 683 |
|
|
llist[0] = append("-N", llist[0]);
|
| 684 |
|
|
} else
|
| 685 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 686 |
|
|
return;
|
| 687 |
|
|
case 'E':
|
| 688 |
|
|
Eflag++;
|
| 689 |
|
|
return;
|
| 690 |
|
|
case 'c':
|
| 691 |
|
|
cflag++;
|
| 692 |
|
|
return;
|
| 693 |
|
|
case 'M':
|
| 694 |
|
|
Eflag++; /* -M implies -E */
|
| 695 |
|
|
plist = append(arg, plist);
|
| 696 |
|
|
return;
|
| 697 |
|
|
case 'N':
|
| 698 |
|
|
if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
|
| 699 |
|
|
plist = append("-nostdinc", plist);
|
| 700 |
|
|
include[0] = 0;
|
| 701 |
|
|
ilist = 0;
|
| 702 |
|
|
return;
|
| 703 |
|
|
case 'v':
|
| 704 |
|
|
if (verbose++ == 0) {
|
| 705 |
|
|
if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
|
| 706 |
|
|
plist = append(arg, plist);
|
| 707 |
|
|
clist = append(arg, clist);
|
| 708 |
|
|
fprintf(stderr, "%s %s\n", progname, rcsid);
|
| 709 |
|
|
}
|
| 710 |
|
|
return;
|
| 711 |
|
|
}
|
| 712 |
|
|
if (cflag || Sflag || Eflag)
|
| 713 |
|
|
fprintf(stderr, "%s: %s ignored\n", progname, arg);
|
| 714 |
|
|
else
|
| 715 |
|
|
llist[1] = append(arg, llist[1]);
|
| 716 |
|
|
}
|
| 717 |
|
|
|
| 718 |
|
|
/* path2list - convert a colon- or semicolon-separated list to a list */
|
| 719 |
|
|
static List path2list(const char *path) {
|
| 720 |
|
|
List list = NULL;
|
| 721 |
|
|
char sep = ':';
|
| 722 |
|
|
|
| 723 |
|
|
if (path == NULL)
|
| 724 |
|
|
return NULL;
|
| 725 |
|
|
if (strchr(path, ';'))
|
| 726 |
|
|
sep = ';';
|
| 727 |
|
|
while (*path) {
|
| 728 |
|
|
char *p, buf[512];
|
| 729 |
|
|
if (p = strchr(path, sep)) {
|
| 730 |
|
|
assert(p - path < sizeof buf);
|
| 731 |
|
|
strncpy(buf, path, p - path);
|
| 732 |
|
|
buf[p-path] = '\0';
|
| 733 |
|
|
} else {
|
| 734 |
|
|
assert(strlen(path) < sizeof buf);
|
| 735 |
|
|
strcpy(buf, path);
|
| 736 |
|
|
}
|
| 737 |
|
|
if (!find(buf, list))
|
| 738 |
|
|
list = append(strsave(buf), list);
|
| 739 |
|
|
if (p == 0)
|
| 740 |
|
|
break;
|
| 741 |
|
|
path = p + 1;
|
| 742 |
|
|
}
|
| 743 |
|
|
return list;
|
| 744 |
|
|
}
|
| 745 |
|
|
|
| 746 |
|
|
/* replace - copy str, then replace occurrences of from with to, return the copy */
|
| 747 |
|
|
char *replace(const char *str, int from, int to) {
|
| 748 |
|
|
char *s = strsave(str), *p = s;
|
| 749 |
|
|
|
| 750 |
|
|
for ( ; (p = strchr(p, from)) != NULL; p++)
|
| 751 |
|
|
*p = to;
|
| 752 |
|
|
return s;
|
| 753 |
|
|
}
|
| 754 |
|
|
|
| 755 |
|
|
/* rm - remove files in list */
|
| 756 |
|
|
static void rm(List list) {
|
| 757 |
|
|
if (list) {
|
| 758 |
|
|
List b = list;
|
| 759 |
|
|
if (verbose)
|
| 760 |
|
|
fprintf(stderr, "rm");
|
| 761 |
|
|
do {
|
| 762 |
|
|
if (verbose)
|
| 763 |
|
|
fprintf(stderr, " %s", b->str);
|
| 764 |
|
|
if (verbose < 2)
|
| 765 |
|
|
remove(b->str);
|
| 766 |
|
|
} while ((b = b->link) != list);
|
| 767 |
|
|
if (verbose)
|
| 768 |
|
|
fprintf(stderr, "\n");
|
| 769 |
|
|
}
|
| 770 |
|
|
}
|
| 771 |
|
|
|
| 772 |
|
|
/* strsave - return a saved copy of string str */
|
| 773 |
|
|
char *strsave(const char *str) {
|
| 774 |
|
|
return strcpy(alloc(strlen(str)+1), str);
|
| 775 |
|
|
}
|
| 776 |
|
|
|
| 777 |
|
|
/* stringf - format and return a string */
|
| 778 |
|
|
char *stringf(const char *fmt, ...) {
|
| 779 |
|
|
char buf[1024];
|
| 780 |
|
|
va_list ap;
|
| 781 |
|
|
int n;
|
| 782 |
|
|
|
| 783 |
|
|
va_start(ap, fmt);
|
| 784 |
|
|
n = vsprintf(buf, fmt, ap);
|
| 785 |
|
|
va_end(ap);
|
| 786 |
|
|
return strsave(buf);
|
| 787 |
|
|
}
|
| 788 |
|
|
|
| 789 |
|
|
/* suffix - if one of tails[0..n-1] holds a proper suffix of name, return its index */
|
| 790 |
|
|
int suffix(char *name, char *tails[], int n) {
|
| 791 |
|
|
int i, len = strlen(name);
|
| 792 |
|
|
|
| 793 |
|
|
for (i = 0; i < n; i++) {
|
| 794 |
|
|
char *s = tails[i], *t;
|
| 795 |
|
|
for ( ; t = strchr(s, ';'); s = t + 1) {
|
| 796 |
|
|
int m = t - s;
|
| 797 |
|
|
if (len > m && strncmp(&name[len-m], s, m) == 0)
|
| 798 |
|
|
return i;
|
| 799 |
|
|
}
|
| 800 |
|
|
if (*s) {
|
| 801 |
|
|
int m = strlen(s);
|
| 802 |
|
|
if (len > m && strncmp(&name[len-m], s, m) == 0)
|
| 803 |
|
|
return i;
|
| 804 |
|
|
}
|
| 805 |
|
|
}
|
| 806 |
|
|
return -1;
|
| 807 |
|
|
}
|
| 808 |
|
|
|
| 809 |
|
|
/* tempname - generate a temporary file name in tempdir with given suffix */
|
| 810 |
|
|
char *tempname(char *suffix) {
|
| 811 |
|
|
static int n;
|
| 812 |
|
|
char *name = stringf("%s/lcc%d%d%s", tempdir, getpid(), n++, suffix);
|
| 813 |
|
|
|
| 814 |
|
|
if (strstr(com[1], "win32") != NULL)
|
| 815 |
|
|
name = replace(name, '/', '\\');
|
| 816 |
|
|
rmlist = append(name, rmlist);
|
| 817 |
|
|
return name;
|
| 818 |
|
|
}
|
