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d353bf18 | 1 | # Copyright (C) 2003-2015 Free Software Foundation, Inc. |
e8b212b8 | 2 | # Contributed by Kelley Cook, June 2004. |
3 | # Original code from Neil Booth, May 2003. | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU General Public License as published by the | |
8c4c00c1 | 7 | # Free Software Foundation; either version 3, or (at your option) any |
e8b212b8 | 8 | # later version. |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
8c4c00c1 | 16 | # along with this program; see the file COPYING3. If not see |
17 | # <http://www.gnu.org/licenses/>. | |
e8b212b8 | 18 | |
19 | # This Awk script reads in the option records generated from | |
63433b97 | 20 | # opt-gather.awk, combines the flags of duplicate options and generates a |
e8b212b8 | 21 | # C file. |
22 | # | |
1e127302 | 23 | |
24 | # This program uses functions from opt-functions.awk and code from | |
25 | # opt-read.awk. | |
e8b212b8 | 26 | # |
1e127302 | 27 | # Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \ |
e8b212b8 | 28 | # [-v header_name=header.h] < inputfile > options.c |
29 | ||
e8b212b8 | 30 | # Dump that array of options into a C file. |
31 | END { | |
d3b7ee7c | 32 | |
33 | # Record first EnabledBy and LangEnabledBy uses. | |
34 | n_enabledby = 0; | |
35 | for (i = 0; i < n_langs; i++) { | |
36 | n_enabledby_lang[i] = 0; | |
37 | } | |
38 | for (i = 0; i < n_opts; i++) { | |
39 | enabledby_arg = opt_args("EnabledBy", flags[i]); | |
40 | if (enabledby_arg != "") { | |
1eaf1dbe | 41 | logical_and = index(enabledby_arg, " && "); |
42 | if (logical_and != 0) { | |
43 | # EnabledBy(arg1 && arg2) | |
44 | split_sep = " && "; | |
45 | } else { | |
46 | # EnabledBy(arg) or EnabledBy(arg1 || arg2 || arg3) | |
47 | split_sep = " \\|\\| "; | |
48 | } | |
49 | n_enabledby_names = split(enabledby_arg, enabledby_names, split_sep); | |
50 | if (logical_and != 0 && n_enabledby_names > 2) { | |
1090f26f | 51 | print "#error EnabledBy (Wfoo && Wbar && Wbaz) not currently supported" |
52 | } | |
53 | for (j = 1; j <= n_enabledby_names; j++) { | |
54 | enabledby_name = enabledby_names[j]; | |
55 | enabledby_index = opt_numbers[enabledby_name]; | |
56 | if (enabledby_index == "") { | |
57 | print "#error Enabledby: " enabledby_name | |
58 | } else { | |
59 | condition = ""; | |
1eaf1dbe | 60 | if (logical_and != 0) { |
1090f26f | 61 | opt_var_name_1 = search_var_name(enabledby_names[1], opt_numbers, opts, flags, n_opts); |
62 | opt_var_name_2 = search_var_name(enabledby_names[2], opt_numbers, opts, flags, n_opts); | |
63 | if (opt_var_name_1 == "") { | |
64 | print "#error " enabledby_names[1] " does not have a Var() flag" | |
65 | } | |
66 | if (opt_var_name_2 == "") { | |
67 | print "#error " enabledby_names[2] " does not have a Var() flag" | |
68 | } | |
69 | condition = "opts->x_" opt_var_name_1 " && opts->x_" opt_var_name_2; | |
70 | } | |
71 | if (enables[enabledby_name] == "") { | |
72 | enabledby[n_enabledby] = enabledby_name; | |
73 | n_enabledby++; | |
74 | } | |
75 | enables[enabledby_name] = enables[enabledby_name] opts[i] ";"; | |
76 | enablesif[enabledby_name] = enablesif[enabledby_name] condition ";"; | |
d3b7ee7c | 77 | } |
d3b7ee7c | 78 | } |
79 | } | |
80 | ||
81 | enabledby_arg = opt_args("LangEnabledBy", flags[i]); | |
82 | if (enabledby_arg != "") { | |
5493f55e | 83 | enabledby_langs = nth_arg(0, enabledby_arg); |
d3b7ee7c | 84 | enabledby_name = nth_arg(1, enabledby_arg); |
5493f55e | 85 | enabledby_posarg = nth_arg(2, enabledby_arg); |
86 | enabledby_negarg = nth_arg(3, enabledby_arg); | |
87 | lang_enabled_by(enabledby_langs, enabledby_name, enabledby_posarg, enabledby_negarg); | |
d3b7ee7c | 88 | } |
89 | } | |
90 | ||
91 | ||
30b0f428 | 92 | print "/* This file is auto-generated by optc-gen.awk. */" |
e8b212b8 | 93 | print "" |
5c5ccba2 | 94 | n_headers = split(header_name, headers, " ") |
95 | for (i = 1; i <= n_headers; i++) | |
96 | print "#include " quote headers[i] quote | |
e8b212b8 | 97 | print "#include " quote "opts.h" quote |
6ce616df | 98 | print "#include " quote "intl.h" quote |
19c83f00 | 99 | print "#include " quote "insn-attr-common.h" quote |
e8b212b8 | 100 | print "" |
101 | ||
755fa783 | 102 | if (n_extra_c_includes > 0) { |
103 | for (i = 0; i < n_extra_c_includes; i++) { | |
104 | print "#include " quote extra_c_includes[i] quote | |
105 | } | |
106 | print "" | |
107 | } | |
108 | ||
d62a5950 | 109 | for (i = 0; i < n_enums; i++) { |
110 | name = enum_names[i] | |
111 | type = enum_type[name] | |
112 | print "static const struct cl_enum_arg cl_enum_" name \ | |
113 | "_data[] = " | |
114 | print "{" | |
115 | print enum_data[name] " { NULL, 0, 0 }" | |
116 | print "};" | |
117 | print "" | |
118 | print "static void" | |
119 | print "cl_enum_" name "_set (void *var, int value)" | |
120 | print "{" | |
121 | print " *((" type " *) var) = (" type ") value;" | |
122 | print "}" | |
123 | print "" | |
124 | print "static int" | |
125 | print "cl_enum_" name "_get (const void *var)" | |
126 | print "{" | |
127 | print " return (int) *((const " type " *) var);" | |
128 | print "}" | |
129 | print "" | |
130 | } | |
131 | ||
132 | print "const struct cl_enum cl_enums[] =" | |
133 | print "{" | |
134 | for (i = 0; i < n_enums; i++) { | |
135 | name = enum_names[i] | |
136 | ehelp = enum_help[name] | |
137 | if (ehelp == "") | |
138 | ehelp = "NULL" | |
139 | else | |
140 | ehelp = quote ehelp quote | |
141 | unknown_error = enum_unknown_error[name] | |
142 | if (unknown_error == "") | |
143 | unknown_error = "NULL" | |
144 | else | |
145 | unknown_error = quote unknown_error quote | |
146 | print " {" | |
147 | print " " ehelp "," | |
148 | print " " unknown_error "," | |
149 | print " cl_enum_" name "_data," | |
150 | print " sizeof (" enum_type[name] ")," | |
151 | print " cl_enum_" name "_set," | |
152 | print " cl_enum_" name "_get" | |
153 | print " }," | |
154 | } | |
155 | print "};" | |
156 | print "const unsigned int cl_enums_count = " n_enums ";" | |
157 | print "" | |
158 | ||
f3f006ad | 159 | print "const struct gcc_options global_options_init =\n{" |
0f8defe5 | 160 | for (i = 0; i < n_extra_vars; i++) { |
5ae82d58 | 161 | var = extra_vars[i] |
162 | init = extra_vars[i] | |
163 | if (var ~ "=" ) { | |
164 | sub(".*= *", "", init) | |
5ae82d58 | 165 | } else { |
166 | init = "0" | |
167 | } | |
c3be4b75 | 168 | sub(" *=.*", "", var) |
169 | name = var | |
170 | sub("^.*[ *]", "", name) | |
171 | sub("\\[.*\\]$", "", name) | |
172 | var_seen[name] = 1 | |
173 | print " " init ", /* " name " */" | |
0f8defe5 | 174 | } |
e8b212b8 | 175 | for (i = 0; i < n_opts; i++) { |
176 | name = var_name(flags[i]); | |
177 | if (name == "") | |
178 | continue; | |
179 | ||
5ae82d58 | 180 | init = opt_args("Init", flags[i]) |
181 | if (init != "") { | |
182 | if (name in var_init && var_init[name] != init) | |
183 | print "#error multiple initializers for " name | |
184 | var_init[name] = init | |
a1baa5f1 | 185 | } |
5ae82d58 | 186 | } |
187 | for (i = 0; i < n_opts; i++) { | |
188 | name = var_name(flags[i]); | |
189 | if (name == "") | |
190 | continue; | |
191 | ||
192 | if (name in var_seen) | |
193 | continue; | |
194 | ||
195 | if (name in var_init) | |
196 | init = var_init[name] | |
197 | else | |
198 | init = "0" | |
a150399d | 199 | |
5ae82d58 | 200 | print " " init ", /* " name " */" |
c5e839cb | 201 | |
202 | var_seen[name] = 1; | |
a150399d | 203 | } |
d6907cfa | 204 | for (i = 0; i < n_opts; i++) { |
205 | name = static_var(opts[i], flags[i]); | |
2c5d2e39 | 206 | if (name != "") { |
207 | print " 0, /* " name " (private state) */" | |
208 | print "#undef x_" name | |
209 | } | |
d6907cfa | 210 | } |
ecee1b29 | 211 | for (i = 0; i < n_opts; i++) { |
212 | if (flag_set_p("SetByCombined", flags[i])) | |
213 | print " false, /* frontend_set_" var_name(flags[i]) " */" | |
214 | } | |
2c5d2e39 | 215 | print "};" |
d6907cfa | 216 | print "" |
f3f006ad | 217 | print "struct gcc_options global_options;" |
f83b64ca | 218 | print "struct gcc_options global_options_set;" |
219 | print "" | |
e8b212b8 | 220 | |
221 | print "const char * const lang_names[] =\n{" | |
222 | for (i = 0; i < n_langs; i++) { | |
d3b7ee7c | 223 | macros[i] = "CL_" lang_sanitized_name(langs[i]) |
e8b212b8 | 224 | s = substr(" ", length (macros[i])) |
225 | print " " quote langs[i] quote "," | |
226 | } | |
227 | ||
228 | print " 0\n};\n" | |
229 | print "const unsigned int cl_options_count = N_OPTS;\n" | |
634b1f85 | 230 | print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS" |
231 | print " #error the number of languages exceeds the implementation limit" | |
232 | print "#endif" | |
87c75316 | 233 | print "const unsigned int cl_lang_count = " n_langs ";\n" |
e8b212b8 | 234 | |
235 | print "const struct cl_option cl_options[] =\n{" | |
236 | ||
a1baa5f1 | 237 | j = 0 |
238 | for (i = 0; i < n_opts; i++) { | |
e8b212b8 | 239 | back_chain[i] = "N_OPTS"; |
a1baa5f1 | 240 | indices[opts[i]] = j; |
241 | # Combine the flags of identical switches. Switches | |
242 | # appear many times if they are handled by many front | |
243 | # ends, for example. | |
244 | while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { | |
245 | flags[i + 1] = flags[i] " " flags[i + 1]; | |
e6a03973 | 246 | if (help[i + 1] == "") |
247 | help[i + 1] = help[i] | |
0863a8f4 | 248 | else if (help[i] != "" && help[i + 1] != help[i]) |
4584d89f | 249 | print "#error Multiple different help strings for " \ |
250 | opts[i] ":\n\t" help[i] "\n\t" help[i + 1] | |
251 | ||
a1baa5f1 | 252 | i++; |
253 | back_chain[i] = "N_OPTS"; | |
254 | indices[opts[i]] = j; | |
255 | } | |
256 | j++; | |
257 | } | |
e8b212b8 | 258 | |
d39ef3aa | 259 | for (i = 0; i < n_opts; i++) { |
e6a03973 | 260 | # With identical flags, pick only the last one. The |
261 | # earlier loop ensured that it has all flags merged, | |
262 | # and a nonempty help text if one of the texts was nonempty. | |
d39ef3aa | 263 | while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { |
d39ef3aa | 264 | i++; |
265 | } | |
e8b212b8 | 266 | |
d39ef3aa | 267 | len = length (opts[i]); |
d4c7816a | 268 | enum = opt_enum(opts[i]) |
d39ef3aa | 269 | |
270 | # If this switch takes joined arguments, back-chain all | |
271 | # subsequent switches to it for which it is a prefix. If | |
272 | # a later switch S is a longer prefix of a switch T, T | |
273 | # will be back-chained to S in a later iteration of this | |
274 | # for() loop, which is what we want. | |
275 | if (flag_set_p("Joined.*", flags[i])) { | |
276 | for (j = i + 1; j < n_opts; j++) { | |
277 | if (substr (opts[j], 1, len) != opts[i]) | |
278 | break; | |
279 | back_chain[j] = enum; | |
e8b212b8 | 280 | } |
d39ef3aa | 281 | } |
e8b212b8 | 282 | |
d39ef3aa | 283 | s = substr(" ", length (opts[i])) |
284 | if (i + 1 == n_opts) | |
285 | comma = "" | |
e8b212b8 | 286 | |
d39ef3aa | 287 | if (help[i] == "") |
288 | hlp = "0" | |
289 | else | |
290 | hlp = quote help[i] quote; | |
e8b212b8 | 291 | |
fecf9011 | 292 | missing_arg_error = opt_args("MissingArgError", flags[i]) |
293 | if (missing_arg_error == "") | |
294 | missing_arg_error = "0" | |
295 | else | |
296 | missing_arg_error = quote missing_arg_error quote | |
297 | ||
3b0273a1 | 298 | |
299 | warn_message = opt_args("Warn", flags[i]) | |
300 | if (warn_message == "") | |
301 | warn_message = "0" | |
302 | else | |
303 | warn_message = quote warn_message quote | |
304 | ||
67089c6b | 305 | alias_arg = opt_args("Alias", flags[i]) |
306 | if (alias_arg == "") { | |
3b0273a1 | 307 | if (flag_set_p("Ignore", flags[i])) |
308 | alias_data = "NULL, NULL, OPT_SPECIAL_ignore" | |
309 | else | |
310 | alias_data = "NULL, NULL, N_OPTS" | |
67089c6b | 311 | } else { |
312 | alias_opt = nth_arg(0, alias_arg) | |
313 | alias_posarg = nth_arg(1, alias_arg) | |
314 | alias_negarg = nth_arg(2, alias_arg) | |
315 | ||
2c5d2e39 | 316 | if (var_ref(opts[i], flags[i]) != "-1") |
67089c6b | 317 | print "#error Alias setting variable" |
318 | ||
319 | if (alias_posarg != "" && alias_negarg == "") { | |
320 | if (!flag_set_p("RejectNegative", flags[i]) \ | |
321 | && opts[i] ~ "^[Wfm]") | |
322 | print "#error Alias with single argument " \ | |
323 | "allowing negative form" | |
324 | } | |
4e775b8e | 325 | if (alias_posarg != "" \ |
326 | && flag_set_p("NegativeAlias", flags[i])) { | |
327 | print "#error Alias with multiple arguments " \ | |
328 | "used with NegativeAlias" | |
329 | } | |
67089c6b | 330 | |
331 | alias_opt = opt_enum(alias_opt) | |
332 | if (alias_posarg == "") | |
333 | alias_posarg = "NULL" | |
334 | else | |
335 | alias_posarg = quote alias_posarg quote | |
336 | if (alias_negarg == "") | |
337 | alias_negarg = "NULL" | |
338 | else | |
339 | alias_negarg = quote alias_negarg quote | |
340 | alias_data = alias_posarg ", " alias_negarg ", " alias_opt | |
341 | } | |
342 | ||
a1baa5f1 | 343 | neg = opt_args("Negative", flags[i]); |
344 | if (neg != "") | |
345 | idx = indices[neg] | |
346 | else { | |
347 | if (flag_set_p("RejectNegative", flags[i])) | |
348 | idx = -1; | |
349 | else { | |
350 | if (opts[i] ~ "^[Wfm]") | |
351 | idx = indices[opts[i]]; | |
352 | else | |
353 | idx = -1; | |
354 | } | |
355 | } | |
13c2c394 | 356 | # Split the printf after %u to work around an ia64-hp-hpux11.23 |
357 | # awk bug. | |
3b0273a1 | 358 | printf(" { %c-%s%c,\n %s,\n %s,\n %s,\n %s, %s, %u,", |
359 | quote, opts[i], quote, hlp, missing_arg_error, warn_message, | |
67089c6b | 360 | alias_data, back_chain[i], len) |
13c2c394 | 361 | printf(" %d,\n", idx) |
5c5ccba2 | 362 | condition = opt_args("Condition", flags[i]) |
363 | cl_flags = switch_flags(flags[i]) | |
ec840af4 | 364 | cl_bit_fields = switch_bit_fields(flags[i]) |
365 | cl_zero_bit_fields = switch_bit_fields("") | |
5c5ccba2 | 366 | if (condition != "") |
367 | printf("#if %s\n" \ | |
368 | " %s,\n" \ | |
ec840af4 | 369 | " 0, %s,\n" \ |
5c5ccba2 | 370 | "#else\n" \ |
ec840af4 | 371 | " 0,\n" \ |
372 | " 1 /* Disabled. */, %s,\n" \ | |
5c5ccba2 | 373 | "#endif\n", |
ec840af4 | 374 | condition, cl_flags, cl_bit_fields, cl_zero_bit_fields) |
5c5ccba2 | 375 | else |
ec840af4 | 376 | printf(" %s,\n" \ |
377 | " 0, %s,\n", | |
378 | cl_flags, cl_bit_fields) | |
d6907cfa | 379 | printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]), |
380 | var_set(flags[i]), comma) | |
e8b212b8 | 381 | } |
382 | ||
383 | print "};" | |
46f8e3b0 | 384 | |
fbb6fbd8 | 385 | print "\n\n" |
386 | print "bool " | |
387 | print "common_handle_option_auto (struct gcc_options *opts, " | |
388 | print " struct gcc_options *opts_set, " | |
389 | print " const struct cl_decoded_option *decoded, " | |
390 | print " unsigned int lang_mask, int kind, " | |
391 | print " location_t loc, " | |
392 | print " const struct cl_option_handlers *handlers, " | |
393 | print " diagnostic_context *dc) " | |
394 | print "{ " | |
395 | print " size_t scode = decoded->opt_index; " | |
396 | print " int value = decoded->value; " | |
397 | print " enum opt_code code = (enum opt_code) scode; " | |
398 | print " " | |
399 | print " gcc_assert (decoded->canonical_option_num_elements <= 2); " | |
400 | print " " | |
401 | print " switch (code) " | |
402 | print " { " | |
1090f26f | 403 | # Handle EnabledBy |
fbb6fbd8 | 404 | for (i = 0; i < n_enabledby; i++) { |
405 | enabledby_name = enabledby[i]; | |
406 | print " case " opt_enum(enabledby_name) ":" | |
77b27208 | 407 | n_enables = split(enables[enabledby_name], thisenable, ";"); |
1090f26f | 408 | n_enablesif = split(enablesif[enabledby_name], thisenableif, ";"); |
409 | if (n_enables != n_enablesif) { | |
410 | print "#error n_enables != n_enablesif: Something went wrong!" | |
411 | } | |
fbb6fbd8 | 412 | for (j = 1; j < n_enables; j++) { |
413 | opt_var_name = var_name(flags[opt_numbers[thisenable[j]]]); | |
db490cb6 | 414 | if (opt_var_name != "") { |
1090f26f | 415 | condition = "!opts_set->x_" opt_var_name |
416 | if (thisenableif[j] != "") { | |
2e6c58c4 | 417 | value = "(" thisenableif[j] ")" |
418 | } else { | |
419 | value = "value" | |
1090f26f | 420 | } |
421 | print " if (" condition ")" | |
db490cb6 | 422 | print " handle_generated_option (opts, opts_set," |
2e6c58c4 | 423 | print " " opt_enum(thisenable[j]) ", NULL, " value "," |
db490cb6 | 424 | print " lang_mask, kind, loc, handlers, dc);" |
425 | } else { | |
426 | print "#error " thisenable[j] " does not have a Var() flag" | |
427 | } | |
fbb6fbd8 | 428 | } |
429 | print " break;\n" | |
fbb6fbd8 | 430 | } |
431 | print " default: " | |
432 | print " break; " | |
433 | print " } " | |
434 | print " return true; " | |
435 | print "} " | |
436 | ||
d3b7ee7c | 437 | # Handle LangEnabledBy |
438 | for (i = 0; i < n_langs; i++) { | |
439 | lang_name = lang_sanitized_name(langs[i]); | |
440 | mark_unused = " ATTRIBUTE_UNUSED"; | |
441 | ||
442 | print "\n\n" | |
443 | print "bool " | |
444 | print lang_name "_handle_option_auto (struct gcc_options *opts" mark_unused ", " | |
445 | print " struct gcc_options *opts_set" mark_unused ", " | |
446 | print " size_t scode" mark_unused ", const char *arg" mark_unused ", int value" mark_unused ", " | |
447 | print " unsigned int lang_mask" mark_unused ", int kind" mark_unused ", " | |
448 | print " location_t loc" mark_unused ", " | |
449 | print " const struct cl_option_handlers *handlers" mark_unused ", " | |
450 | print " diagnostic_context *dc" mark_unused ") " | |
451 | print "{ " | |
452 | print " enum opt_code code = (enum opt_code) scode; " | |
453 | print " " | |
454 | print " switch (code) " | |
455 | print " { " | |
456 | ||
457 | for (k = 0; k < n_enabledby_lang[i]; k++) { | |
458 | enabledby_name = enabledby[lang_name,k]; | |
459 | print " case " opt_enum(enabledby_name) ":" | |
77b27208 | 460 | n_thisenable = split(enables[lang_name,enabledby_name], thisenable, ";"); |
461 | for (j = 1; j < n_thisenable; j++) { | |
462 | n_thisenable_args = split(thisenable[j], thisenable_args, ","); | |
463 | if (n_thisenable_args == 1) { | |
464 | thisenable_opt = thisenable[j]; | |
465 | value = "value"; | |
466 | } else { | |
467 | thisenable_opt = thisenable_args[1]; | |
468 | with_posarg = thisenable_args[2]; | |
469 | with_negarg = thisenable_args[3]; | |
470 | value = "value ? " with_posarg " : " with_negarg; | |
471 | } | |
472 | opt_var_name = var_name(flags[opt_numbers[thisenable_opt]]); | |
db490cb6 | 473 | if (opt_var_name != "") { |
474 | print " if (!opts_set->x_" opt_var_name ")" | |
475 | print " handle_generated_option (opts, opts_set," | |
77b27208 | 476 | print " " opt_enum(thisenable_opt) ", NULL, " value "," |
db490cb6 | 477 | print " lang_mask, kind, loc, handlers, dc);" |
478 | } else { | |
77b27208 | 479 | print "#error " thisenable_opt " does not have a Var() flag" |
db490cb6 | 480 | } |
d3b7ee7c | 481 | } |
482 | print " break;\n" | |
483 | } | |
484 | print " default: " | |
485 | print " break; " | |
486 | print " } " | |
487 | print " return true; " | |
488 | print "} " | |
489 | } | |
490 | ||
3636964b | 491 | #Handle CPP() |
492 | print "\n" | |
493 | print "#include " quote "cpplib.h" quote; | |
494 | print "void" | |
495 | print "cpp_handle_option_auto (const struct gcc_options * opts, " | |
496 | print " size_t scode, struct cpp_options * cpp_opts)" | |
497 | print "{ " | |
498 | print " enum opt_code code = (enum opt_code) scode; " | |
499 | print " " | |
500 | print " switch (code) " | |
501 | print " { " | |
502 | for (i = 0; i < n_opts; i++) { | |
503 | # With identical flags, pick only the last one. The | |
504 | # earlier loop ensured that it has all flags merged, | |
505 | # and a nonempty help text if one of the texts was nonempty. | |
506 | while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { | |
507 | i++; | |
508 | } | |
509 | ||
510 | cpp_option = nth_arg(0, opt_args("CPP", flags[i])); | |
04afd878 | 511 | if (cpp_option != "") { |
512 | opt_var_name = var_name(flags[i]); | |
513 | init = opt_args("Init", flags[i]) | |
514 | if (opt_var_name != "" && init != "") { | |
515 | print " case " opt_enum(opts[i]) ":" | |
516 | print " cpp_opts->" cpp_option " = opts->x_" opt_var_name ";" | |
517 | print " break;" | |
518 | } else if (opt_var_name == "" && init == "") { | |
519 | print "#error CPP() requires setting Init() and Var() for " opts[i] | |
520 | } else if (opt_var_name != "") { | |
521 | print "#error CPP() requires setting Init() for " opts[i] | |
522 | } else { | |
523 | print "#error CPP() requires setting Var() for " opts[i] | |
524 | } | |
3636964b | 525 | } |
e8b212b8 | 526 | } |
3636964b | 527 | print " default: " |
528 | print " break; " | |
529 | print " } " | |
530 | print "}\n" | |
531 | print "void" | |
532 | print "init_global_opts_from_cpp(struct gcc_options * opts, " | |
533 | print " const struct cpp_options * cpp_opts)" | |
534 | print "{ " | |
535 | for (i = 0; i < n_opts; i++) { | |
536 | # With identical flags, pick only the last one. The | |
537 | # earlier loop ensured that it has all flags merged, | |
538 | # and a nonempty help text if one of the texts was nonempty. | |
539 | while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { | |
540 | i++; | |
541 | } | |
542 | cpp_option = nth_arg(0, opt_args("CPP", flags[i])); | |
543 | opt_var_name = var_name(flags[i]); | |
544 | if (cpp_option != "" && opt_var_name != "") { | |
545 | print " opts->x_" opt_var_name " = cpp_opts->" cpp_option ";" | |
546 | } | |
547 | } | |
548 | print "} " | |
549 | ||
550 | } | |
551 |