MKnames.awk revision 174993 
1##############################################################################
2# Copyright (c) 2007 Free Software Foundation, Inc.                          #
3#                                                                            #
4# Permission is hereby granted, free of charge, to any person obtaining a    #
5# copy of this software and associated documentation files (the "Software"), #
6# to deal in the Software without restriction, including without limitation  #
7# the rights to use, copy, modify, merge, publish, distribute, distribute    #
8# with modifications, sublicense, and/or sell copies of the Software, and to #
9# permit persons to whom the Software is furnished to do so, subject to the  #
10# following conditions:                                                      #
11#                                                                            #
12# The above copyright notice and this permission notice shall be included in #
13# all copies or substantial portions of the Software.                        #
14#                                                                            #
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
18# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
20# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
21# DEALINGS IN THE SOFTWARE.                                                  #
22#                                                                            #
23# Except as contained in this notice, the name(s) of the above copyright     #
24# holders shall not be used in advertising or otherwise to promote the sale, #
25# use or other dealings in this Software without prior written               #
26# authorization.                                                             #
27##############################################################################
28# $Id: MKnames.awk,v 1.18 2007/11/03 20:24:15 tom Exp $
29function large_item(value) {
30	result = sprintf("%d,", offset);
31	offset = offset + length(value) + 1;
32	offcol = offcol + length(result) + 2;
33	if (offcol > 70) {
34		result = result "\n";
35		offcol = 0;
36	} else {
37		result = result " ";
38	}
39	bigstr = bigstr sprintf("\"%s\\0\" ", value);
40	bigcol = bigcol + length(value) + 5;
41	if (bigcol > 70) {
42		bigstr = bigstr "\\\n";
43		bigcol = 0;
44	}
45	return result;
46}
47
48function small_item(value) {
49	return sprintf("\t\t\"%s\",\n", value);
50}
51
52function print_strings(name,value) {
53	printf  "DCL(%s) = {\n", name
54	print  value
55	print  "\t\t(NCURSES_CONST char *)0,"
56	print  "};"
57	print  ""
58}
59
60function print_offsets(name,value) {
61	printf  "static const short _nc_offset_%s[] = {\n", name
62	printf "%s",  value
63	print  "};"
64	print  ""
65	printf "static NCURSES_CONST char ** ptr_%s = 0;\n", name
66	print  ""
67}
68
69BEGIN	{
70		print  "/* This file was generated by MKnames.awk */"
71		print  ""
72		print  "#include <curses.priv.h>"
73		print  ""
74		print  "#define IT NCURSES_CONST char * const"
75		print  ""
76		offset = 0;
77		offcol = 0;
78		bigcol = 0;
79	}
80
81$1 ~ /^#/		{next;}
82
83$1 == "SKIPWARN"	{next;}
84
85$3 == "bool"	{
86			small_boolnames = small_boolnames small_item($2);
87			large_boolnames = large_boolnames large_item($2);
88			small_boolfnames = small_boolfnames small_item($1);
89			large_boolfnames = large_boolfnames large_item($1);
90		}
91
92$3 == "num"	{
93			small_numnames = small_numnames small_item($2);
94			large_numnames = large_numnames large_item($2);
95			small_numfnames = small_numfnames small_item($1);
96			large_numfnames = large_numfnames large_item($1);
97		}
98
99$3 == "str"	{
100			small_strnames = small_strnames small_item($2);
101			large_strnames = large_strnames large_item($2);
102			small_strfnames = small_strfnames small_item($1);
103			large_strfnames = large_strfnames large_item($1);
104		}
105
106END	{
107		print  ""
108		print  "#if BROKEN_LINKER || USE_REENTRANT"
109		print  ""
110		print  "#include <term.h>"
111		print  ""
112		if (bigstrings) {
113			printf "static const char _nc_name_blob[] = \n"
114			printf "%s;\n", bigstr;
115			print_offsets("boolfnames", large_boolfnames);
116			print_offsets("boolnames", large_boolnames);
117			print_offsets("numfnames", large_numfnames);
118			print_offsets("numnames", large_numnames);
119			print_offsets("strfnames", large_strfnames);
120			print_offsets("strnames", large_strnames);
121			print  ""
122			print  "static IT *"
123			print  "alloc_array(NCURSES_CONST char ***value, const short *offsets, unsigned size)"
124			print  "{"
125			print  "	if (*value == 0) {"
126			print  "		if ((*value = typeCalloc(NCURSES_CONST char *, size + 1)) != 0) {"
127			print  "			unsigned n;"
128			print  "			for (n = 0; n < size; ++n) {"
129			print  "				(*value)[n] = _nc_name_blob + offsets[n];"
130			print  "			}"
131			print  "		}"
132			print  "	}"
133			print  "	return *value;"
134			print  "}"
135			print  ""
136			print  "#define FIX(it) NCURSES_IMPEXP IT * NCURSES_API _nc_##it(void) { return alloc_array(&ptr_##it, _nc_offset_##it, SIZEOF(_nc_offset_##it)); }"
137		} else {
138			print  "#define DCL(it) static IT data##it[]"
139			print  ""
140			print_strings("boolnames", small_boolnames);
141			print_strings("boolfnames", small_boolfnames);
142			print_strings("numnames", small_numnames);
143			print_strings("numfnames", small_numfnames);
144			print_strings("strnames", small_strnames);
145			print_strings("strfnames", small_strfnames);
146			print  "#define FIX(it) NCURSES_IMPEXP IT * NCURSES_API _nc_##it(void) { return data##it; }"
147		}
148		print  ""
149		print  "FIX(boolnames)"
150		print  "FIX(boolfnames)"
151		print  "FIX(numnames)"
152		print  "FIX(numfnames)"
153		print  "FIX(strnames)"
154		print  "FIX(strfnames)"
155		print  ""
156		print  ""
157		print  "#define FREE_FIX(it) if (ptr_##it) { FreeAndNull(ptr_##it); }"
158		print  ""
159		print  "NCURSES_EXPORT(void)"
160		print  "_nc_names_leaks(void)"
161		print  "{"
162		if (bigstrings) {
163		print  "FREE_FIX(boolnames)"
164		print  "FREE_FIX(boolfnames)"
165		print  "FREE_FIX(numnames)"
166		print  "FREE_FIX(numfnames)"
167		print  "FREE_FIX(strnames)"
168		print  "FREE_FIX(strfnames)"
169		}
170		print  "}"
171		print  "#else"
172		print  ""
173		print  "#define DCL(it) NCURSES_EXPORT_VAR(IT) it[]"
174		print  ""
175		print_strings("boolnames", small_boolnames);
176		print_strings("boolfnames", small_boolfnames);
177		print_strings("numnames", small_numnames);
178		print_strings("numfnames", small_numfnames);
179		print_strings("strnames", small_strnames);
180		print_strings("strfnames", small_strfnames);
181		print  ""
182		print  "#endif /* BROKEN_LINKER */"
183	}
184