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-rw-r--r--bin/1sh/mknodes.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/bin/1sh/mknodes.c b/bin/1sh/mknodes.c
deleted file mode 100644
index 9ec4dfbd..00000000
--- a/bin/1sh/mknodes.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * 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.
- */
-
-#if 0
-#ifndef lint
-static char const copyright[] =
-"@(#) Copyright (c) 1991, 1993\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)mknodes.c	8.2 (Berkeley) 5/4/95";
-#endif /* not lint */
-#endif
-#include <sys/cdefs.h>
-/* $FreeBSD: releng/12.1/bin/sh/mknodes.c 326025 2017-11-20 19:49:47Z pfg $ */
-
-/*
- * This program reads the nodetypes file and nodes.c.pat file.  It generates
- * the files nodes.h and nodes.c.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <stdarg.h>
-
-#define MAXTYPES 50		/* max number of node types */
-#define MAXFIELDS 20		/* max fields in a structure */
-#define BUFLEN 100		/* size of character buffers */
-
-/* field types */
-#define T_NODE 1		/* union node *field */
-#define T_NODELIST 2		/* struct nodelist *field */
-#define T_STRING 3
-#define T_INT 4			/* int field */
-#define T_OTHER 5		/* other */
-#define T_TEMP 6		/* don't copy this field */
-
-
-struct field {			/* a structure field */
-	char *name;		/* name of field */
-	int type;			/* type of field */
-	char *decl;		/* declaration of field */
-};
-
-
-struct str {			/* struct representing a node structure */
-	char *tag;		/* structure tag */
-	int nfields;		/* number of fields in the structure */
-	struct field field[MAXFIELDS];	/* the fields of the structure */
-	int done;			/* set if fully parsed */
-};
-
-
-static int ntypes;			/* number of node types */
-static char *nodename[MAXTYPES];	/* names of the nodes */
-static struct str *nodestr[MAXTYPES];	/* type of structure used by the node */
-static int nstr;			/* number of structures */
-static struct str str[MAXTYPES];	/* the structures */
-static struct str *curstr;		/* current structure */
-static char line[1024];
-static int linno;
-static char *linep;
-
-static void parsenode(void);
-static void parsefield(void);
-static void output(char *);
-static void outsizes(FILE *);
-static void outfunc(FILE *, int);
-static void indent(int, FILE *);
-static int nextfield(char *);
-static void skipbl(void);
-static int readline(FILE *);
-static void error(const char *, ...) __attribute__((format(printf, 1, 2))) __attribute__((noreturn));
-static char *savestr(const char *);
-
-
-int
-main(int argc, char *argv[])
-{
-	FILE *infp;
-
-	if (argc != 3)
-		error("usage: mknodes file");
-	if ((infp = fopen(argv[1], "r")) == NULL)
-		error("Can't open %s: %s", argv[1], strerror(errno));
-	while (readline(infp)) {
-		if (line[0] == ' ' || line[0] == '\t')
-			parsefield();
-		else if (line[0] != '\0')
-			parsenode();
-	}
-	fclose(infp);
-	output(argv[2]);
-	exit(0);
-}
-
-
-
-static void
-parsenode(void)
-{
-	char name[BUFLEN];
-	char tag[BUFLEN];
-	struct str *sp;
-
-	if (curstr && curstr->nfields > 0)
-		curstr->done = 1;
-	nextfield(name);
-	if (! nextfield(tag))
-		error("Tag expected");
-	if (*linep != '\0')
-		error("Garbage at end of line");
-	nodename[ntypes] = savestr(name);
-	for (sp = str ; sp < str + nstr ; sp++) {
-		if (strcmp(sp->tag, tag) == 0)
-			break;
-	}
-	if (sp >= str + nstr) {
-		sp->tag = savestr(tag);
-		sp->nfields = 0;
-		curstr = sp;
-		nstr++;
-	}
-	nodestr[ntypes] = sp;
-	ntypes++;
-}
-
-
-static void
-parsefield(void)
-{
-	char name[BUFLEN];
-	char type[BUFLEN];
-	char decl[2 * BUFLEN];
-	struct field *fp;
-
-	if (curstr == NULL || curstr->done)
-		error("No current structure to add field to");
-	if (! nextfield(name))
-		error("No field name");
-	if (! nextfield(type))
-		error("No field type");
-	fp = &curstr->field[curstr->nfields];
-	fp->name = savestr(name);
-	if (strcmp(type, "nodeptr") == 0) {
-		fp->type = T_NODE;
-		sprintf(decl, "union node *%s", name);
-	} else if (strcmp(type, "nodelist") == 0) {
-		fp->type = T_NODELIST;
-		sprintf(decl, "struct nodelist *%s", name);
-	} else if (strcmp(type, "string") == 0) {
-		fp->type = T_STRING;
-		sprintf(decl, "char *%s", name);
-	} else if (strcmp(type, "int") == 0) {
-		fp->type = T_INT;
-		sprintf(decl, "int %s", name);
-	} else if (strcmp(type, "other") == 0) {
-		fp->type = T_OTHER;
-	} else if (strcmp(type, "temp") == 0) {
-		fp->type = T_TEMP;
-	} else {
-		error("Unknown type %s", type);
-	}
-	if (fp->type == T_OTHER || fp->type == T_TEMP) {
-		skipbl();
-		fp->decl = savestr(linep);
-	} else {
-		if (*linep)
-			error("Garbage at end of line");
-		fp->decl = savestr(decl);
-	}
-	curstr->nfields++;
-}
-
-
-static const char writer[] = "\
-/*\n\
- * This file was generated by the mknodes program.\n\
- */\n\
-\n";
-
-static void
-output(char *file)
-{
-	FILE *hfile;
-	FILE *cfile;
-	FILE *patfile;
-	int i;
-	struct str *sp;
-	struct field *fp;
-	char *p;
-
-	if ((patfile = fopen(file, "r")) == NULL)
-		error("Can't open %s: %s", file, strerror(errno));
-	if ((hfile = fopen("nodes.h", "w")) == NULL)
-		error("Can't create nodes.h: %s", strerror(errno));
-	if ((cfile = fopen("nodes.c", "w")) == NULL)
-		error("Can't create nodes.c");
-	fputs(writer, hfile);
-	for (i = 0 ; i < ntypes ; i++)
-		fprintf(hfile, "#define %s %d\n", nodename[i], i);
-	fputs("\n\n\n", hfile);
-	for (sp = str ; sp < &str[nstr] ; sp++) {
-		fprintf(hfile, "struct %s {\n", sp->tag);
-		for (i = sp->nfields, fp = sp->field ; --i >= 0 ; fp++) {
-			fprintf(hfile, "      %s;\n", fp->decl);
-		}
-		fputs("};\n\n\n", hfile);
-	}
-	fputs("union node {\n", hfile);
-	fprintf(hfile, "      int type;\n");
-	for (sp = str ; sp < &str[nstr] ; sp++) {
-		fprintf(hfile, "      struct %s %s;\n", sp->tag, sp->tag);
-	}
-	fputs("};\n\n\n", hfile);
-	fputs("struct nodelist {\n", hfile);
-	fputs("\tstruct nodelist *next;\n", hfile);
-	fputs("\tunion node *n;\n", hfile);
-	fputs("};\n\n\n", hfile);
-	fputs("struct funcdef;\n", hfile);
-	fputs("struct funcdef *copyfunc(union node *);\n", hfile);
-	fputs("union node *getfuncnode(struct funcdef *);\n", hfile);
-	fputs("void reffunc(struct funcdef *);\n", hfile);
-	fputs("void unreffunc(struct funcdef *);\n", hfile);
-	if (ferror(hfile))
-		error("Can't write to nodes.h");
-	if (fclose(hfile))
-		error("Can't close nodes.h");
-
-	fputs(writer, cfile);
-	while (fgets(line, sizeof line, patfile) != NULL) {
-		for (p = line ; *p == ' ' || *p == '\t' ; p++);
-		if (strcmp(p, "%SIZES\n") == 0)
-			outsizes(cfile);
-		else if (strcmp(p, "%CALCSIZE\n") == 0)
-			outfunc(cfile, 1);
-		else if (strcmp(p, "%COPY\n") == 0)
-			outfunc(cfile, 0);
-		else
-			fputs(line, cfile);
-	}
-	fclose(patfile);
-	if (ferror(cfile))
-		error("Can't write to nodes.c");
-	if (fclose(cfile))
-		error("Can't close nodes.c");
-}
-
-
-
-static void
-outsizes(FILE *cfile)
-{
-	int i;
-
-	fprintf(cfile, "static const short nodesize[%d] = {\n", ntypes);
-	for (i = 0 ; i < ntypes ; i++) {
-		fprintf(cfile, "      ALIGN(sizeof (struct %s)),\n", nodestr[i]->tag);
-	}
-	fprintf(cfile, "};\n");
-}
-
-
-static void
-outfunc(FILE *cfile, int calcsize)
-{
-	struct str *sp;
-	struct field *fp;
-	int i;
-
-	fputs("      if (n == NULL)\n", cfile);
-	if (calcsize)
-		fputs("	    return;\n", cfile);
-	else
-		fputs("	    return NULL;\n", cfile);
-	if (calcsize)
-		fputs("      result->blocksize += nodesize[n->type];\n", cfile);
-	else {
-		fputs("      new = state->block;\n", cfile);
-		fputs("      state->block = (char *)state->block + nodesize[n->type];\n", cfile);
-	}
-	fputs("      switch (n->type) {\n", cfile);
-	for (sp = str ; sp < &str[nstr] ; sp++) {
-		for (i = 0 ; i < ntypes ; i++) {
-			if (nodestr[i] == sp)
-				fprintf(cfile, "      case %s:\n", nodename[i]);
-		}
-		for (i = sp->nfields ; --i >= 1 ; ) {
-			fp = &sp->field[i];
-			switch (fp->type) {
-			case T_NODE:
-				if (calcsize) {
-					indent(12, cfile);
-					fprintf(cfile, "calcsize(n->%s.%s, result);\n",
-						sp->tag, fp->name);
-				} else {
-					indent(12, cfile);
-					fprintf(cfile, "new->%s.%s = copynode(n->%s.%s, state);\n",
-						sp->tag, fp->name, sp->tag, fp->name);
-				}
-				break;
-			case T_NODELIST:
-				if (calcsize) {
-					indent(12, cfile);
-					fprintf(cfile, "sizenodelist(n->%s.%s, result);\n",
-						sp->tag, fp->name);
-				} else {
-					indent(12, cfile);
-					fprintf(cfile, "new->%s.%s = copynodelist(n->%s.%s, state);\n",
-						sp->tag, fp->name, sp->tag, fp->name);
-				}
-				break;
-			case T_STRING:
-				if (calcsize) {
-					indent(12, cfile);
-					fprintf(cfile, "result->stringsize += strlen(n->%s.%s) + 1;\n",
-						sp->tag, fp->name);
-				} else {
-					indent(12, cfile);
-					fprintf(cfile, "new->%s.%s = nodesavestr(n->%s.%s, state);\n",
-						sp->tag, fp->name, sp->tag, fp->name);
-				}
-				break;
-			case T_INT:
-			case T_OTHER:
-				if (! calcsize) {
-					indent(12, cfile);
-					fprintf(cfile, "new->%s.%s = n->%s.%s;\n",
-						sp->tag, fp->name, sp->tag, fp->name);
-				}
-				break;
-			}
-		}
-		indent(12, cfile);
-		fputs("break;\n", cfile);
-	}
-	fputs("      };\n", cfile);
-	if (! calcsize)
-		fputs("      new->type = n->type;\n", cfile);
-}
-
-
-static void
-indent(int amount, FILE *fp)
-{
-	while (amount >= 8) {
-		putc('\t', fp);
-		amount -= 8;
-	}
-	while (--amount >= 0) {
-		putc(' ', fp);
-	}
-}
-
-
-static int
-nextfield(char *buf)
-{
-	char *p, *q;
-
-	p = linep;
-	while (*p == ' ' || *p == '\t')
-		p++;
-	q = buf;
-	while (*p != ' ' && *p != '\t' && *p != '\0')
-		*q++ = *p++;
-	*q = '\0';
-	linep = p;
-	return (q > buf);
-}
-
-
-static void
-skipbl(void)
-{
-	while (*linep == ' ' || *linep == '\t')
-		linep++;
-}
-
-
-static int
-readline(FILE *infp)
-{
-	char *p;
-
-	if (fgets(line, 1024, infp) == NULL)
-		return 0;
-	for (p = line ; *p != '#' && *p != '\n' && *p != '\0' ; p++);
-	while (p > line && (p[-1] == ' ' || p[-1] == '\t'))
-		p--;
-	*p = '\0';
-	linep = line;
-	linno++;
-	if (p - line > BUFLEN)
-		error("Line too long");
-	return 1;
-}
-
-
-
-static void
-error(const char *msg, ...)
-{
-	va_list va;
-	va_start(va, msg);
-
-	(void) fprintf(stderr, "line %d: ", linno);
-	(void) vfprintf(stderr, msg, va);
-	(void) fputc('\n', stderr);
-
-	va_end(va);
-
-	exit(2);
-}
-
-
-
-static char *
-savestr(const char *s)
-{
-	char *p;
-
-	if ((p = malloc(strlen(s) + 1)) == NULL)
-		error("Out of space");
-	(void) strcpy(p, s);
-	return p;
-}