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
43 function csequence(str) {
54 if (NF == 0 || $1 ~ /^#/)
57 if (NF != 3 && NF != 4)
58 die("Invalid line layout: " NF " columns");
60 split($3, sequence, " +");
66 l_prefix_name[""] = "teken_state_init";
67 for (i = 1; i < nsequences; i++) {
68 n = prefix csequence(sequence[i]);
69 l_prefix_parent[n] = prefix;
70 l_prefix_suffix[n] = sequence[i];
71 if (!l_prefix_name[n])
72 l_prefix_name[n] = "teken_state_" ++npr;
76 suffix = sequence[nsequences];
80 if (l_cmd_name[cmd] != "")
81 die(cmd " already exists");
82 l_cmd_prefix[cmd] = prefix;
83 l_cmd_suffix[cmd] = suffix;
87 l_cmd_c_name[cmd] = "teken_subr_" tolower($2);
88 gsub(" ", "_", l_cmd_c_name[cmd]);
91 l_prefix_numbercmds[prefix]++;
94 print "/* Generated file. Do not edit. */";
97 for (p in l_prefix_name) {
98 if (l_prefix_name[p] != "teken_state_init")
99 print "static teken_state_t " l_prefix_name[p] ";";
102 for (p in l_prefix_name) {
104 print "/* '" p "' */";
106 print l_prefix_name[p] "(teken_t *t, teken_char_t c)";
109 if (l_prefix_numbercmds[p] > 0) {
111 print "\tif (teken_state_numbers(t, c))";
116 print "\tswitch (c) {";
117 for (c in l_cmd_prefix) {
118 if (l_cmd_prefix[c] != p)
121 print "\tcase '" cchar(l_cmd_suffix[c]) "': /* " l_cmd_abbr[c] ": " l_cmd_name[c] " */";
123 if (l_cmd_args[c] == "v") {
124 print "\t\t" l_cmd_c_name[c] "(t, t->t_curnum, t->t_nums);";
126 printf "\t\t%s(t", l_cmd_c_name[c];
127 split(l_cmd_args[c], args, " ");
128 for (a = 1; args[a] != ""; a++) {
130 printf ", (t->t_curnum < %d || t->t_nums[%d] == 0) ? 1 : t->t_nums[%d]", a, (a - 1), (a - 1);
131 else if (args[a] == "r")
132 printf ", t->t_curnum < %d ? 0 : t->t_nums[%d]", a, (a - 1);
134 die("Invalid argument type: " args[a]);
140 for (pc in l_prefix_parent) {
141 if (l_prefix_parent[pc] != p)
143 print "\tcase '" cchar(l_prefix_suffix[pc]) "':";
144 print "\t\tteken_state_switch(t, " l_prefix_name[pc] ");";
149 if (l_prefix_name[p] == "teken_state_init") {
150 print "\t\tteken_subr_regular_character(t, c);";
152 print "\t\tteken_printf(\"Unsupported sequence in " l_prefix_name[p] ": %u\\n\", (unsigned int)c);";
158 if (l_prefix_name[p] != "teken_state_init") {
160 print "\tt->t_last = 0;";
161 print "\tteken_state_switch(t, teken_state_init);";