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-rw-r--r--lcc/src/main.c225
1 files changed, 0 insertions, 225 deletions
diff --git a/lcc/src/main.c b/lcc/src/main.c
deleted file mode 100644
index 63b85f2..0000000
--- a/lcc/src/main.c
+++ /dev/null
@@ -1,225 +0,0 @@
-#include "c.h"
-
-static char rcsid[] = "main.c - faked rcsid";
-
-static void typestab(Symbol, void *);
-
-static void stabline(Coordinate *);
-static void stabend(Coordinate *, Symbol, Coordinate **, Symbol *, Symbol *);
-Interface *IR = NULL;
-
-int Aflag; /* >= 0 if -A specified */
-int Pflag; /* != 0 if -P specified */
-int glevel; /* == [0-9] if -g[0-9] specified */
-int xref; /* != 0 for cross-reference data */
-Symbol YYnull; /* _YYnull symbol if -n or -nvalidate specified */
-Symbol YYcheck; /* _YYcheck symbol if -nvalidate,check specified */
-
-static char *comment;
-static Interface stabIR;
-static char *currentfile; /* current file name */
-static int currentline; /* current line number */
-static FILE *srcfp; /* stream for current file, if non-NULL */
-static int srcpos; /* position of srcfp, if srcfp is non-NULL */
-int main(int argc, char *argv[]) {
- int i, j;
- for (i = argc - 1; i > 0; i--)
- if (strncmp(argv[i], "-target=", 8) == 0)
- break;
- if (i > 0) {
- char *s = strchr(argv[i], '\\');
- if (s != NULL)
- *s = '/';
- for (j = 0; bindings[j].name && bindings[j].ir; j++)
- if (strcmp(&argv[i][8], bindings[j].name) == 0) {
- IR = bindings[j].ir;
- break;
- }
- if (s != NULL)
- *s = '\\';
- }
- if (!IR) {
- fprint(stderr, "%s: unknown target", argv[0]);
- if (i > 0)
- fprint(stderr, " `%s'", &argv[i][8]);
- fprint(stderr, "; must specify one of\n");
- for (i = 0; bindings[i].name; i++)
- fprint(stderr, "\t-target=%s\n", bindings[i].name);
- exit(EXIT_FAILURE);
- }
- init(argc, argv);
- t = gettok();
- (*IR->progbeg)(argc, argv);
- if (glevel && IR->stabinit)
- (*IR->stabinit)(firstfile, argc, argv);
- program();
- if (events.end)
- apply(events.end, NULL, NULL);
- memset(&events, 0, sizeof events);
- if (glevel || xref) {
- Symbol symroot = NULL;
- Coordinate src;
- foreach(types, GLOBAL, typestab, &symroot);
- foreach(identifiers, GLOBAL, typestab, &symroot);
- src.file = firstfile;
- src.x = 0;
- src.y = lineno;
- if ((glevel > 2 || xref) && IR->stabend)
- (*IR->stabend)(&src, symroot,
- ltov(&loci, PERM),
- ltov(&symbols, PERM), NULL);
- else if (IR->stabend)
- (*IR->stabend)(&src, NULL, NULL, NULL, NULL);
- }
- finalize();
- (*IR->progend)();
- deallocate(PERM);
- return errcnt > 0;
-}
-/* main_init - process program arguments */
-void main_init(int argc, char *argv[]) {
- char *infile = NULL, *outfile = NULL;
- int i;
- static int inited;
-
- if (inited)
- return;
- inited = 1;
- type_init(argc, argv);
- for (i = 1; i < argc; i++)
- if (strcmp(argv[i], "-g") == 0 || strcmp(argv[i], "-g2") == 0)
- glevel = 2;
- else if (strncmp(argv[i], "-g", 2) == 0) { /* -gn[,x] */
- char *p = strchr(argv[i], ',');
- glevel = atoi(argv[i]+2);
- if (p) {
- comment = p + 1;
- if (glevel == 0)
- glevel = 1;
- if (stabIR.stabline == NULL) {
- stabIR.stabline = IR->stabline;
- stabIR.stabend = IR->stabend;
- IR->stabline = stabline;
- IR->stabend = stabend;
- }
- }
- } else if (strcmp(argv[i], "-x") == 0)
- xref++;
- else if (strcmp(argv[i], "-A") == 0) {
- ++Aflag;
- } else if (strcmp(argv[i], "-P") == 0)
- Pflag++;
- else if (strcmp(argv[i], "-w") == 0)
- wflag++;
- else if (strcmp(argv[i], "-n") == 0) {
- if (!YYnull) {
- YYnull = install(string("_YYnull"), &globals, GLOBAL, PERM);
- YYnull->type = func(voidptype, NULL, 1);
- YYnull->sclass = EXTERN;
- (*IR->defsymbol)(YYnull);
- }
- } else if (strncmp(argv[i], "-n", 2) == 0) { /* -nvalid[,check] */
- char *p = strchr(argv[i], ',');
- if (p) {
- YYcheck = install(string(p+1), &globals, GLOBAL, PERM);
- YYcheck->type = func(voidptype, NULL, 1);
- YYcheck->sclass = EXTERN;
- (*IR->defsymbol)(YYcheck);
- p = stringn(argv[i]+2, p - (argv[i]+2));
- } else
- p = string(argv[i]+2);
- YYnull = install(p, &globals, GLOBAL, PERM);
- YYnull->type = func(voidptype, NULL, 1);
- YYnull->sclass = EXTERN;
- (*IR->defsymbol)(YYnull);
- } else if (strcmp(argv[i], "-v") == 0)
- fprint(stderr, "%s %s\n", argv[0], rcsid);
- else if (strncmp(argv[i], "-s", 2) == 0)
- density = strtod(&argv[i][2], NULL);
- else if (strncmp(argv[i], "-errout=", 8) == 0) {
- FILE *f = fopen(argv[i]+8, "w");
- if (f == NULL) {
- fprint(stderr, "%s: can't write errors to `%s'\n", argv[0], argv[i]+8);
- exit(EXIT_FAILURE);
- }
- fclose(f);
- f = freopen(argv[i]+8, "w", stderr);
- assert(f);
- } else if (strncmp(argv[i], "-e", 2) == 0) {
- int x;
- if ((x = strtol(&argv[i][2], NULL, 0)) > 0)
- errlimit = x;
- } else if (strncmp(argv[i], "-little_endian=", 15) == 0)
- IR->little_endian = argv[i][15] - '0';
- else if (strncmp(argv[i], "-mulops_calls=", 18) == 0)
- IR->mulops_calls = argv[i][18] - '0';
- else if (strncmp(argv[i], "-wants_callb=", 13) == 0)
- IR->wants_callb = argv[i][13] - '0';
- else if (strncmp(argv[i], "-wants_argb=", 12) == 0)
- IR->wants_argb = argv[i][12] - '0';
- else if (strncmp(argv[i], "-left_to_right=", 15) == 0)
- IR->left_to_right = argv[i][15] - '0';
- else if (strncmp(argv[i], "-wants_dag=", 11) == 0)
- IR->wants_dag = argv[i][11] - '0';
- else if (*argv[i] != '-' || strcmp(argv[i], "-") == 0) {
- if (infile == NULL)
- infile = argv[i];
- else if (outfile == NULL)
- outfile = argv[i];
- }
-
- if (infile != NULL && strcmp(infile, "-") != 0
- && freopen(infile, "r", stdin) == NULL) {
- fprint(stderr, "%s: can't read `%s'\n", argv[0], infile);
- exit(EXIT_FAILURE);
- }
- if (outfile != NULL && strcmp(outfile, "-") != 0
- && freopen(outfile, "w", stdout) == NULL) {
- fprint(stderr, "%s: can't write `%s'\n", argv[0], outfile);
- exit(EXIT_FAILURE);
- }
-}
-/* typestab - emit stab entries for p */
-static void typestab(Symbol p, void *cl) {
- if (*(Symbol *)cl == 0 && p->sclass && p->sclass != TYPEDEF)
- *(Symbol *)cl = p;
- if ((p->sclass == TYPEDEF || p->sclass == 0) && IR->stabtype)
- (*IR->stabtype)(p);
-}
-
-/* stabline - emit source code for source coordinate *cp */
-static void stabline(Coordinate *cp) {
- if (cp->file && cp->file != currentfile) {
- if (srcfp)
- fclose(srcfp);
- currentfile = cp->file;
- srcfp = fopen(currentfile, "r");
- srcpos = 0;
- currentline = 0;
- }
- if (currentline != cp->y && srcfp) {
- char buf[512];
- if (srcpos > cp->y) {
- rewind(srcfp);
- srcpos = 0;
- }
- for ( ; srcpos < cp->y; srcpos++)
- if (fgets(buf, sizeof buf, srcfp) == NULL) {
- fclose(srcfp);
- srcfp = NULL;
- break;
- }
- if (srcfp && srcpos == cp->y)
- print("%s%s", comment, buf);
- }
- currentline = cp->y;
- if (stabIR.stabline)
- (*stabIR.stabline)(cp);
-}
-
-static void stabend(Coordinate *cp, Symbol p, Coordinate **cpp, Symbol *sp, Symbol *stab) {
- if (stabIR.stabend)
- (*stabIR.stabend)(cp, p, cpp, sp, stab);
- if (srcfp)
- fclose(srcfp);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-29 02:48:39 +0000