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233 lines
6.4 KiB
Bash
233 lines
6.4 KiB
Bash
#!/bin/sh -
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#
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# Copyright (c) 1992, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# From @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
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# $Id: makedevops.sh,v 1.1 1998/06/14 13:53:12 dfr Exp $
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#
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# Script to produce device front-end sugar.
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#
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# usage: makedevops.sh srcfile
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#
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# These awk scripts are not particularly well written, specifically they
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# don't use arrays well and figure out the same information repeatedly.
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# Please rewrite them if you actually understand how to use awk. Note,
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# they use nawk extensions and gawk's toupper.
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if [ $# -ne 2 ] ; then
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echo 'usage: makedevops.sh [-c|-h] srcfile'
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exit 1
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fi
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makec=0
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makeh=0
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if [ "$1" = "-c" ]; then
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makec=1
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fi
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if [ "$1" = "-h" ]; then
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makeh=1
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fi
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# Name of the source file.
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SRC=$2
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# Names of the created files.
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CTMP=ctmp$$
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HTMP=htmp$$
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CFILE=`basename $SRC .m`.c
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HFILE=`basename $SRC .m`.h
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# Awk program (must support nawk extensions and gawk's "toupper")
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# Use "awk" at Berkeley, "gawk" elsewhere.
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AWK=awk
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# Awk script to take file.do and turn it into file.h and file.c
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$AWK "
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BEGIN {
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src = \"$SRC\";
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header = \"$HTMP\";
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cfile = \"$CTMP\";
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hfile = \"$HFILE\";
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"'
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printf("/*\n") > header;
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printf(" * This file is produced automatically.\n") > header;
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printf(" * Do not modify anything in here by hand.\n") > header;
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printf(" *\n") > header;
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printf(" * Created from %s with makedevops.sh\n", src) > header;
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printf(" */\n\n") > header;
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printf("/*\n") > cfile;
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printf(" * This file is produced automatically.\n") > cfile;
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printf(" * Do not modify anything in here by hand.\n") > cfile;
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printf(" *\n") > cfile;
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printf(" * Created from %s with makedevops.sh\n", src) > cfile;
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printf(" */\n\n") > cfile;
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printf("#include <sys/param.h>\n") > cfile;
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printf("#include <sys/queue.h>\n") > cfile;
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printf("#include <sys/bus_private.h>\n") > cfile;
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methodcount = 0
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}
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NF == 0 {
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next;
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}
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/^#include/ {
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print $0 > cfile;
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}
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/^#/ {
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next;
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}
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/^INTERFACE/ {
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intname = $2;
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printf("#ifndef _%s_if_h_\n", intname) > header;
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printf("#define _%s_if_h_\n\n", intname) > header;
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printf("#include \"%s\"\n\n", hfile) > cfile;
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}
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/^METHOD/ {
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# Get the function name and return type.
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ret = "";
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sep = "";
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for (i = 2; i < NF - 1; i++) {
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ret = sep $i;
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sep = " ";
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}
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name = $i;
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# Get the function arguments.
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for (c1 = 0;; ++c1) {
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if (getline <= 0)
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exit
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if ($0 ~ "^};")
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break;
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a[c1] = $0;
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}
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methods[methodcount++] = name;
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mname = intname "_" name;
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umname = toupper(mname);
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# Print out the method declaration
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printf("extern struct device_op_desc %s_desc;\n", mname) > header;
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printf("%s %s(", ret, umname) > header;
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sep = ", ";
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for (c2 = 0; c2 < c1; ++c2) {
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if (c2 == c1 - 1)
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sep = " );\n";
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c3 = split(a[c2], t);
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for (c4 = 0; c4 < c3; ++c4)
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printf("%s ", t[c4]) > header;
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beg = match(t[c3], "[^*]");
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end = match(t[c3], ";");
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printf("%s%s%s",
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substr(t[c4], 0, beg - 1),
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substr(t[c4], beg, end - beg), sep) > header;
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}
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# Print the method desc
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printf("struct device_op_desc %s_desc = {\n", mname) > cfile;
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printf("\t0,\n") > cfile;
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printf("\t\"%s\"\n", mname) > cfile;
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printf("};\n\n") > cfile;
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# Print out the method typedef
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printf("typedef %s %s_t(\n", ret, mname) > cfile;
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sep = ",\n";
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for (c2 = 0; c2 < c1; ++c2) {
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if (c2 == c1 - 1)
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sep = ");\n";
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c3 = split(a[c2], t);
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printf("\t") > cfile;
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for (c4 = 0; c4 < c3; ++c4)
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printf("%s ", t[c4]) > cfile;
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beg = match(t[c3], "[^*]");
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end = match(t[c3], ";");
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printf("%s%s%s",
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substr(t[c4], 0, beg - 1),
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substr(t[c4], beg, end - beg), sep) > cfile;
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}
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# Print out the method itself
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printf("%s %s(\n", ret, umname) > cfile;
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sep = ",\n";
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for (c2 = 0; c2 < c1; ++c2) {
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if (c2 == c1 - 1)
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sep = ")\n";
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c3 = split(a[c2], t);
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printf("\t") > cfile;
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for (c4 = 0; c4 < c3; ++c4)
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printf("%s ", t[c4]) > cfile;
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beg = match(t[c3], "[^*]");
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end = match(t[c3], ";");
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printf("%s%s%s",
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substr(t[c4], 0, beg - 1),
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substr(t[c4], beg, end - beg), sep) > cfile;
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}
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printf("{\n") > cfile;
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printf("\t%s_t *m = (%s_t *) DEVOPMETH(dev, %s);\n",
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mname, mname, mname) > cfile;
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if (ret != "void")
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printf("\treturn m(") > cfile;
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else
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printf("\tm(") > cfile;
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sep = ", ";
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for (c2 = 0; c2 < c1; ++c2) {
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if (c2 == c1 - 1)
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sep = ");\n";
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c3 = split(a[c2], t);
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beg = match(t[c3], "[^*]");
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end = match(t[c3], ";");
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printf("%s%s", substr(t[c3], beg, end - beg), sep) > cfile;
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}
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printf("}\n\n") > cfile;
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}
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END {
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printf("\n#endif /* _%s_if_h_ */\n", intname) > header;
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}' < $SRC
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if [ $makec = 1 ]; then
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mv $CTMP $CFILE
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else
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rm $CTMP
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fi
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if [ $makeh = 1 ]; then
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mv $HTMP $HFILE
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else
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rm $HTMP
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fi
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