4 # Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 function csequence(str) {
55 if (NF == 0 || $1 ~ /^#/)
58 if (NF != 3 && NF != 4)
59 die("Invalid line layout: " NF " columns");
61 split($3, sequence, " +");
67 l_prefix_name[""] = "teken_state_init";
68 for (i = 1; i < nsequences; i++) {
69 n = prefix csequence(sequence[i]);
70 l_prefix_parent[n] = prefix;
71 l_prefix_suffix[n] = sequence[i];
72 if (!l_prefix_name[n])
73 l_prefix_name[n] = "teken_state_" ++npr;
77 suffix = sequence[nsequences];
81 if (l_cmd_name[cmd] != "")
82 die(cmd " already exists");
83 l_cmd_prefix[cmd] = prefix;
84 l_cmd_suffix[cmd] = suffix;
88 l_cmd_c_name[cmd] = "teken_subr_" tolower($2);
89 gsub(" ", "_", l_cmd_c_name[cmd]);
92 l_prefix_numbercmds[prefix]++;
95 print "/* Generated file. Do not edit. */";
98 for (p in l_prefix_name) {
99 if (l_prefix_name[p] != "teken_state_init")
100 print "static teken_state_t " l_prefix_name[p] ";";
103 for (p in l_prefix_name) {
105 print "/* '" p "' */";
107 print l_prefix_name[p] "(teken_t *t, teken_char_t c)";
110 if (l_prefix_numbercmds[p] > 0) {
112 print "\tif (teken_state_numbers(t, c))";
117 print "\tswitch (c) {";
118 for (c in l_cmd_prefix) {
119 if (l_cmd_prefix[c] != p)
122 print "\tcase '" cchar(l_cmd_suffix[c]) "': /* " l_cmd_abbr[c] ": " l_cmd_name[c] " */";
124 if (l_cmd_args[c] == "v") {
125 print "\t\t" l_cmd_c_name[c] "(t, t->t_curnum, t->t_nums);";
127 printf "\t\t%s(t", l_cmd_c_name[c];
128 split(l_cmd_args[c], args, " ");
129 for (a = 1; args[a] != ""; a++) {
131 printf ", (t->t_curnum < %d || t->t_nums[%d] == 0) ? 1 : t->t_nums[%d]", a, (a - 1), (a - 1);
132 else if (args[a] == "r")
133 printf ", t->t_curnum < %d ? 0 : t->t_nums[%d]", a, (a - 1);
135 die("Invalid argument type: " args[a]);
141 for (pc in l_prefix_parent) {
142 if (l_prefix_parent[pc] != p)
144 print "\tcase '" cchar(l_prefix_suffix[pc]) "':";
145 print "\t\tteken_state_switch(t, " l_prefix_name[pc] ");";
150 if (l_prefix_name[p] == "teken_state_init") {
151 print "\t\tteken_subr_regular_character(t, c);";
153 print "\t\tteken_printf(\"Unsupported sequence in " l_prefix_name[p] ": %u\\n\", (unsigned int)c);";
159 if (l_prefix_name[p] != "teken_state_init") {
161 print "\tt->t_last = 0;";
162 print "\tteken_state_switch(t, teken_state_init);";