490 lines
12 KiB
Awk
490 lines
12 KiB
Awk
#!/usr/bin/awk -f
|
|
#
|
|
# Copyright (c) 1992, 1993
|
|
# The Regents of the University of California. All rights reserved.
|
|
#
|
|
# 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. All advertising materials mentioning features or use of this software
|
|
# must display the following acknowledgement:
|
|
# This product includes software developed by the University of
|
|
# California, Berkeley and its contributors.
|
|
# 4. 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.
|
|
#
|
|
# From @(#)vnode_if.sh 8.1 (Berkeley) 6/10/93
|
|
# From @(#)makedevops.sh 1.1 1998/06/14 13:53:12 dfr Exp $
|
|
# From @(#)makedevops.sh ?.? 1998/10/05
|
|
# From src/sys/kern/makedevops.pl,v 1.12 1999/11/22 14:40:04 n_hibma Exp
|
|
# From src/sys/kern/makeobjops.pl,v 1.8 2001/11/16 02:02:42 joe Exp
|
|
#
|
|
# $FreeBSD$
|
|
|
|
#
|
|
# Script to produce kobj front-end sugar.
|
|
#
|
|
|
|
function usage ()
|
|
{
|
|
print "usage: makeobjops.awk <srcfile.m> [-d] [-p] [-l <nr>] [-c|-h]";
|
|
print "where -c produce only .c files";
|
|
print " -h produce only .h files";
|
|
print " -p use the path component in the source file for destination dir";
|
|
print " -l set line width for output files [80]";
|
|
print " -d switch on debugging";
|
|
exit 1;
|
|
}
|
|
|
|
function warn (msg)
|
|
{
|
|
print "makeobjops.awk:", msg > "/dev/stderr";
|
|
}
|
|
|
|
function warnsrc (msg)
|
|
{
|
|
warn(src ":" lineno ": " msg);
|
|
}
|
|
|
|
function debug (msg)
|
|
{
|
|
if (opt_d)
|
|
warn(msg);
|
|
}
|
|
|
|
function die (msg)
|
|
{
|
|
warn(msg);
|
|
exit 1;
|
|
}
|
|
|
|
# These are just for convenience ...
|
|
function printc(s) {if (opt_c) print s > ctmpfilename;}
|
|
function printh(s) {if (opt_h) print s > htmpfilename;}
|
|
|
|
#
|
|
# If a line exceeds maxlength, split it into multiple
|
|
# lines at commas. Subsequent lines are indented by
|
|
# the specified number of spaces.
|
|
#
|
|
# In other words: Lines are split by replacing ", "
|
|
# by ",\n" plus indent spaces.
|
|
#
|
|
|
|
function format_line (line, maxlength, indent)
|
|
{
|
|
rline = "";
|
|
|
|
while (length(line) > maxlength) {
|
|
#
|
|
# Find the rightmost ", " so that the part
|
|
# to the left of it is just within maxlength.
|
|
# If there is none, give up and leave it as-is.
|
|
#
|
|
if (!match(substr(line, 1, maxlength + 1), /^.*, /))
|
|
break;
|
|
rline = rline substr(line, 1, RLENGTH - 1) "\n";
|
|
line = sprintf("%*s", indent, "") substr(line, RLENGTH + 1);
|
|
}
|
|
return rline line;
|
|
}
|
|
|
|
#
|
|
# Join an array into a string.
|
|
#
|
|
|
|
function join (separator, array, num)
|
|
{
|
|
_result = ""
|
|
if (num) {
|
|
while (num > 1)
|
|
_result = separator array[num--] _result;
|
|
_result = array[1] _result;
|
|
}
|
|
return _result;
|
|
}
|
|
|
|
#
|
|
# Execute a system command and report if it failed.
|
|
#
|
|
|
|
function system_check (cmd)
|
|
{
|
|
if ((rc = system(cmd)))
|
|
warn(cmd " failed (" rc ")");
|
|
}
|
|
|
|
#
|
|
# Handle "INTERFACE" line.
|
|
#
|
|
|
|
function handle_interface ()
|
|
{
|
|
intname = $2;
|
|
sub(/;$/, "", intname);
|
|
if (intname !~ /^[a-z_][a-z0-9_]*$/) {
|
|
debug($0);
|
|
warnsrc("Invalid interface name '" intname "', use [a-z_][a-z0-9_]*");
|
|
error = 1;
|
|
return;
|
|
}
|
|
if (!/;[ ]*$/)
|
|
warnsrc("Semicolon missing at end of line, no problem");
|
|
|
|
debug("Interface " intname);
|
|
|
|
printh("#ifndef _" intname "_if_h_");
|
|
printh("#define _" intname "_if_h_\n");
|
|
printc("#include \"" intname "_if.h\"\n");
|
|
}
|
|
|
|
#
|
|
# Handle "CODE" and "HEADER" sections.
|
|
# Returns the code as-is.
|
|
#
|
|
|
|
function handle_code ()
|
|
{
|
|
code = "\n";
|
|
getline < src;
|
|
indent = $0;
|
|
sub(/[^ ].*$/, "", indent); # find the indent used
|
|
while (!/^}/) {
|
|
sub("^" indent, ""); # remove the indent
|
|
code = code $0 "\n";
|
|
getline < src;
|
|
lineno++;;
|
|
}
|
|
return code;
|
|
}
|
|
|
|
#
|
|
# Handle "METHOD" and "STATICMETHOD" sections.
|
|
#
|
|
|
|
function handle_method (static)
|
|
{
|
|
#
|
|
# Get the return type and function name and delete that from
|
|
# the line. What is left is the possibly first function argument
|
|
# if it is on the same line.
|
|
#
|
|
if (!intname) {
|
|
warnsrc("No interface name defined");
|
|
error = 1;
|
|
return;
|
|
}
|
|
sub(/^[^ ]+[ ]+/, "");
|
|
ret = $0;
|
|
sub(/[ ]*\{.*$/, "", ret);
|
|
name = ret;
|
|
sub(/^.*[ ]/, "", name); # last element is name of method
|
|
sub(/[ ]+[^ ]+$/, "", ret); # return type
|
|
debug("Method: name=" name " return type=" ret);
|
|
|
|
sub(/^[^\{]*\{[ ]*/, "");
|
|
|
|
if (!name || !ret) {
|
|
debug($0);
|
|
warnsrc("Invalid method specification");
|
|
error = 1;
|
|
return;
|
|
}
|
|
|
|
if (name !~ /^[a-z_][a-z_0-9]*$/) {
|
|
warnsrc("Invalid method name '" name "', use [a-z_][a-z0-9_]*");
|
|
error = 1;
|
|
return;
|
|
}
|
|
|
|
if (methods[name]) {
|
|
warnsrc("Duplicate method name");
|
|
error = 1;
|
|
return;
|
|
}
|
|
methods[name] = name;
|
|
|
|
line = $0;
|
|
while (line !~ /\}/ && (getline < src) > 0) {
|
|
line = line " " $0;
|
|
lineno++
|
|
}
|
|
|
|
default = "";
|
|
if (!match(line, /\};?/)) {
|
|
warnsrc("Premature end of file");
|
|
error = 1;
|
|
return;
|
|
}
|
|
extra = substr(line, RSTART + RLENGTH);
|
|
if (extra ~ /[ ]*DEFAULT[ ]*[a-zA-Z_][a-zA-Z_0-9]*[ ]*;/) {
|
|
default = extra;
|
|
sub(/.*DEFAULT[ ]*/, "", default);
|
|
sub(/[; ]+.*$/, "", default);
|
|
}
|
|
else if (extra && opt_d) {
|
|
# Warn about garbage at end of line.
|
|
warnsrc("Ignored '" extra "'");
|
|
}
|
|
sub(/\};?.*$/, "", line);
|
|
|
|
#
|
|
# Create a list of variables without the types prepended.
|
|
#
|
|
sub(/^[ ]+/, "", line); # remove leading ...
|
|
sub(/[ ]+$/, "", line); # ... and trailing whitespace
|
|
gsub(/[ ]+/, " ", line); # remove double spaces
|
|
|
|
num_arguments = split(line, arguments, / *; */) - 1;
|
|
delete varnames; # list of varnames
|
|
num_varnames = 0;
|
|
for (i = 1; i <= num_arguments; i++) {
|
|
if (!arguments[i])
|
|
continue; # skip argument if argument is empty
|
|
num_ar = split(arguments[i], ar, /[* ]+/);
|
|
if (num_ar < 2) { # only 1 word in argument?
|
|
warnsrc("no type for '" arguments[i] "'");
|
|
error = 1;
|
|
return;
|
|
}
|
|
# Last element is name of variable.
|
|
varnames[++num_varnames] = ar[num_ar];
|
|
}
|
|
|
|
argument_list = join(", ", arguments, num_arguments);
|
|
varname_list = join(", ", varnames, num_varnames);
|
|
|
|
if (opt_d) {
|
|
warn("Arguments: " argument_list);
|
|
warn("Varnames: " varname_list);
|
|
}
|
|
|
|
mname = intname "_" name; # method name
|
|
umname = toupper(mname); # uppercase method name
|
|
|
|
firstvar = varnames[1];
|
|
|
|
if (default == "")
|
|
default = "kobj_error_method";
|
|
|
|
# the method description
|
|
printh("extern struct kobjop_desc " mname "_desc;");
|
|
# the method typedef
|
|
prototype = "typedef " ret " " mname "_t(";
|
|
printh(format_line(prototype argument_list ");",
|
|
line_width, length(prototype)));
|
|
|
|
# Print out the method desc
|
|
printc("struct kobj_method " mname "_method_default = {");
|
|
printc("\t&" mname "_desc, (kobjop_t) " default);
|
|
printc("};\n");
|
|
|
|
printc("struct kobjop_desc " mname "_desc = {");
|
|
printc("\t0, &" mname "_method_default");
|
|
printc("};\n");
|
|
|
|
# Print out the method itself
|
|
if (0) { # haven't chosen the format yet
|
|
printh("static __inline " ret " " umname "(" varname_list ")");
|
|
printh("\t" join(";\n\t", arguments, num_arguments) ";");
|
|
}
|
|
else {
|
|
prototype = "static __inline " ret " " umname "(";
|
|
printh(format_line(prototype argument_list ")",
|
|
line_width, length(prototype)));
|
|
}
|
|
printh("{");
|
|
printh("\tkobjop_t _m;");
|
|
if (!static)
|
|
firstvar = "((kobj_t)" firstvar ")";
|
|
printh("\tKOBJOPLOOKUP(" firstvar "->ops," mname ");");
|
|
retrn = (ret != "void") ? "return " : "";
|
|
printh("\t" retrn "((" mname "_t *) _m)(" varname_list ");");
|
|
printh("}\n");
|
|
}
|
|
|
|
#
|
|
# Begin of the main program.
|
|
#
|
|
|
|
BEGIN {
|
|
|
|
line_width = 80;
|
|
gerror = 0;
|
|
|
|
#
|
|
# Process the command line.
|
|
#
|
|
|
|
num_files = 0;
|
|
|
|
for (i = 1; i < ARGC; i++) {
|
|
if (ARGV[i] ~ /^-/) {
|
|
#
|
|
# awk doesn't have getopt(), so we have to do it ourselves.
|
|
# This is a bit clumsy, but it works.
|
|
#
|
|
for (j = 2; j <= length(ARGV[i]); j++) {
|
|
o = substr(ARGV[i], j, 1);
|
|
if (o == "c") opt_c = 1;
|
|
else if (o == "h") opt_h = 1;
|
|
else if (o == "p") opt_p = 1;
|
|
else if (o == "d") opt_d = 1;
|
|
else if (o == "l") {
|
|
if (length(ARGV[i]) > j) {
|
|
opt_l = substr(ARGV[i], j + 1);
|
|
break;
|
|
}
|
|
else {
|
|
if (++i < ARGC)
|
|
opt_l = ARGV[i];
|
|
else
|
|
usage();
|
|
}
|
|
}
|
|
else
|
|
usage();
|
|
}
|
|
}
|
|
else if (ARGV[i] ~ /\.m$/)
|
|
filenames[num_files++] = ARGV[i];
|
|
else
|
|
usage();
|
|
}
|
|
|
|
if (!num_files || !(opt_c || opt_h))
|
|
usage();
|
|
|
|
if (opt_p)
|
|
debug("Will produce files in original not in current directory");
|
|
|
|
if (opt_l) {
|
|
if (opt_l !~ /^[0-9]+$/ || opt_l < 1)
|
|
die("Invalid line width '" opt_l "'");
|
|
line_width = opt_l;
|
|
debug("Line width set to " line_width);
|
|
}
|
|
|
|
for (i = 0; i < num_files; i++)
|
|
debug("Filename: " filenames[i]);
|
|
|
|
for (file_i = 0; file_i < num_files; file_i++) {
|
|
src = filenames[file_i];
|
|
cfilename = hfilename = src;
|
|
sub(/\.m$/, ".c", cfilename);
|
|
sub(/\.m$/, ".h", hfilename);
|
|
if (!opt_p) {
|
|
sub(/^.*\//, "", cfilename);
|
|
sub(/^.*\//, "", hfilename);
|
|
}
|
|
|
|
debug("Processing from " src " to " cfilename " / " hfilename);
|
|
|
|
ctmpfilename = cfilename ".tmp";
|
|
htmpfilename = hfilename ".tmp";
|
|
|
|
common_head = \
|
|
"/*\n" \
|
|
" * This file is produced automatically.\n" \
|
|
" * Do not modify anything in here by hand.\n" \
|
|
" *\n" \
|
|
" * Created from source file\n" \
|
|
" * " src "\n" \
|
|
" * with\n" \
|
|
" * makeobjops.awk\n" \
|
|
" *\n" \
|
|
" * See the source file for legal information\n" \
|
|
" */\n";
|
|
|
|
printc(common_head "\n" \
|
|
"#include <sys/param.h>\n" \
|
|
"#include <sys/queue.h>\n" \
|
|
"#include <sys/kernel.h>\n" \
|
|
"#include <sys/kobj.h>");
|
|
|
|
printh(common_head);
|
|
|
|
delete methods; # clear list of methods
|
|
intname = "";
|
|
lineno = 0;
|
|
error = 0; # to signal clean up and gerror setting
|
|
|
|
while (!error && (getline < src) > 0) {
|
|
lineno++;
|
|
|
|
#
|
|
# Take special notice of include directives.
|
|
#
|
|
if (/^#[ ]*include[ ]+["<][^">]+[">]/) {
|
|
incld = $0;
|
|
sub(/^#[ ]*include[ ]+/, "", incld);
|
|
debug("Included file: " incld);
|
|
printc("#include " incld);
|
|
}
|
|
|
|
sub(/#.*/, ""); # remove comments
|
|
sub(/^[ ]+/, ""); # remove leading ...
|
|
sub(/[ ]+$/, ""); # ... and trailing whitespace
|
|
|
|
if (/^$/) { # skip empty lines
|
|
}
|
|
else if (/^INTERFACE[ ]+[^ ;]*[ ]*;?[ ]*$/)
|
|
handle_interface();
|
|
else if (/^CODE[ ]*{$/)
|
|
printc(handle_code());
|
|
else if (/^HEADER[ ]*{$/)
|
|
printh(handle_code());
|
|
else if (/^METHOD/)
|
|
handle_method(0);
|
|
else if (/^STATICMETHOD/)
|
|
handle_method(1);
|
|
else {
|
|
debug($0);
|
|
warnsrc("Invalid line encountered");
|
|
error = 1;
|
|
}
|
|
}
|
|
|
|
#
|
|
# Print the final '#endif' in the header file.
|
|
#
|
|
printh("#endif /* _" intname "_if_h_ */");
|
|
|
|
close (ctmpfilename);
|
|
close (htmpfilename);
|
|
|
|
if (error) {
|
|
warn("Output skipped");
|
|
system_check("rm -f " ctmpfilename " " htmpfilename);
|
|
gerror = 1;
|
|
}
|
|
else {
|
|
if (opt_c)
|
|
system_check("mv -f " ctmpfilename " " cfilename);
|
|
if (opt_h)
|
|
system_check("mv -f " htmpfilename " " hfilename);
|
|
}
|
|
}
|
|
|
|
exit gerror;
|
|
|
|
}
|