[thirdparty/gcc.git] / gcc / optc-gen.awk

#  Copyright (C) 2003-2014 Free Software Foundation, Inc.
#  Contributed by Kelley Cook, June 2004.
#  Original code from Neil Booth, May 2003.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# This Awk script reads in the option records generated from 
# opt-gather.awk, combines the flags of duplicate options and generates a
# C file.
#

# This program uses functions from opt-functions.awk and code from
# opt-read.awk.
#
# Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \
#            [-v header_name=header.h] < inputfile > options.c

# Dump that array of options into a C file.
END {

# Record first EnabledBy and LangEnabledBy uses.
n_enabledby = 0;
for (i = 0; i < n_langs; i++) {
    n_enabledby_lang[i] = 0;
}
for (i = 0; i < n_opts; i++) {
    enabledby_arg = opt_args("EnabledBy", flags[i]);
    if (enabledby_arg != "") {
        n_enabledby_names = split(enabledby_arg, enabledby_names, " && ");
        if (n_enabledby_names > 2) {
            print "#error EnabledBy (Wfoo && Wbar && Wbaz) not currently supported"
        }
        for (j = 1; j <= n_enabledby_names; j++) {
            enabledby_name = enabledby_names[j];
            enabledby_index = opt_numbers[enabledby_name];
            if (enabledby_index == "") {
                print "#error Enabledby: " enabledby_name 
            } else {
                condition = "";
                if (n_enabledby_names == 2) {
                    opt_var_name_1 = search_var_name(enabledby_names[1], opt_numbers, opts, flags, n_opts);
                    opt_var_name_2 = search_var_name(enabledby_names[2], opt_numbers, opts, flags, n_opts);
                    if (opt_var_name_1 == "") {
                        print "#error " enabledby_names[1] " does not have a Var() flag"
                    }
                    if (opt_var_name_2 == "") {
                        print "#error " enabledby_names[2] " does not have a Var() flag"
                    }
                    condition = "opts->x_" opt_var_name_1 " && opts->x_" opt_var_name_2;
                }
                if (enables[enabledby_name] == "") {
                    enabledby[n_enabledby] = enabledby_name;
                    n_enabledby++;
                }
                enables[enabledby_name] = enables[enabledby_name] opts[i] ";";
                enablesif[enabledby_name] = enablesif[enabledby_name] condition ";";
            }
        }
    }

    enabledby_arg = opt_args("LangEnabledBy", flags[i]);
    if (enabledby_arg != "") {
        enabledby_langs = nth_arg(0, enabledby_arg);
        enabledby_name = nth_arg(1, enabledby_arg);
        enabledby_posarg = nth_arg(2, enabledby_arg);
	enabledby_negarg = nth_arg(3, enabledby_arg);
        lang_enabled_by(enabledby_langs, enabledby_name, enabledby_posarg, enabledby_negarg);
    }
}


print "/* This file is auto-generated by optc-gen.awk.  */"
print ""
n_headers = split(header_name, headers, " ")
for (i = 1; i <= n_headers; i++)
	print "#include " quote headers[i] quote
print "#include " quote "opts.h" quote
print "#include " quote "intl.h" quote
print "#include " quote "insn-attr-common.h" quote
print ""

if (n_extra_c_includes > 0) {
	for (i = 0; i < n_extra_c_includes; i++) {
		print "#include " quote extra_c_includes[i] quote
	}
	print ""
}

for (i = 0; i < n_enums; i++) {
	name = enum_names[i]
	type = enum_type[name]
	print "static const struct cl_enum_arg cl_enum_" name \
	    "_data[] = "
	print "{"
	print enum_data[name] "  { NULL, 0, 0 }"
	print "};"
	print ""
	print "static void"
	print "cl_enum_" name "_set (void *var, int value)"
	print "{"
	print "  *((" type " *) var) = (" type ") value;"
	print "}"
	print ""
	print "static int"
	print "cl_enum_" name "_get (const void *var)"
	print "{"
	print "  return (int) *((const " type " *) var);"
	print "}"
	print ""
}

print "const struct cl_enum cl_enums[] ="
print "{"
for (i = 0; i < n_enums; i++) {
	name = enum_names[i]
	ehelp = enum_help[name]
	if (ehelp == "")
		ehelp = "NULL"
	else
		ehelp = quote ehelp quote
	unknown_error = enum_unknown_error[name]
	if (unknown_error == "")
		unknown_error = "NULL"
	else
		unknown_error = quote unknown_error quote
	print "  {"
	print "    " ehelp ","
	print "    " unknown_error ","
	print "    cl_enum_" name "_data,"
	print "    sizeof (" enum_type[name] "),"
	print "    cl_enum_" name "_set,"
	print "    cl_enum_" name "_get"
	print "  },"
}
print "};"
print "const unsigned int cl_enums_count = " n_enums ";"
print ""

print "const struct gcc_options global_options_init =\n{"
for (i = 0; i < n_extra_vars; i++) {
	var = extra_vars[i]
	init = extra_vars[i]
	if (var ~ "=" ) {
		sub(".*= *", "", init)
	} else {
		init = "0"
	}
	sub(" *=.*", "", var)
	name = var
	sub("^.*[ *]", "", name)
	sub("\\[.*\\]$", "", name)
	var_seen[name] = 1
	print "  " init ", /* " name " */"
}
for (i = 0; i < n_opts; i++) {
	name = var_name(flags[i]);
	if (name == "")
		continue;

	init = opt_args("Init", flags[i])
	if (init != "") {
		if (name in var_init && var_init[name] != init)
			print "#error multiple initializers for " name
		var_init[name] = init
	}
}
for (i = 0; i < n_opts; i++) {
	name = var_name(flags[i]);
	if (name == "")
		continue;

	if (name in var_seen)
		continue;

	if (name in var_init)
		init = var_init[name]
	else
		init = "0"

	print "  " init ", /* " name " */"

	var_seen[name] = 1;
}
for (i = 0; i < n_opts; i++) {
	name = static_var(opts[i], flags[i]);
	if (name != "") {
		print "  0, /* " name " (private state) */"
		print "#undef x_" name
	}
}
for (i = 0; i < n_opts; i++) {
	if (flag_set_p("SetByCombined", flags[i]))
		print "  false, /* frontend_set_" var_name(flags[i]) " */"
}
print "};"
print ""
print "struct gcc_options global_options;"
print "struct gcc_options global_options_set;"
print ""

print "const char * const lang_names[] =\n{"
for (i = 0; i < n_langs; i++) {
        macros[i] = "CL_" lang_sanitized_name(langs[i])
	s = substr("         ", length (macros[i]))
	print "  " quote langs[i] quote ","
    }

print "  0\n};\n"
print "const unsigned int cl_options_count = N_OPTS;\n"
print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS"
print "  #error the number of languages exceeds the implementation limit"
print "#endif"
print "const unsigned int cl_lang_count = " n_langs ";\n"

print "const struct cl_option cl_options[] =\n{"

j = 0
for (i = 0; i < n_opts; i++) {
	back_chain[i] = "N_OPTS";
	indices[opts[i]] = j;
	# Combine the flags of identical switches.  Switches
	# appear many times if they are handled by many front
	# ends, for example.
	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
		flags[i + 1] = flags[i] " " flags[i + 1];
		if (help[i + 1] == "")
			help[i + 1] = help[i]
		else if (help[i] != "" && help[i + 1] != help[i])
			print "#error Multiple different help strings for " \
				opts[i] ":\n\t" help[i] "\n\t" help[i + 1]
				
		i++;
		back_chain[i] = "N_OPTS";
		indices[opts[i]] = j;
	}
	j++;
}

for (i = 0; i < n_opts; i++) {
	# With identical flags, pick only the last one.  The
	# earlier loop ensured that it has all flags merged,
	# and a nonempty help text if one of the texts was nonempty.
	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
		i++;
	}

	len = length (opts[i]);
	enum = opt_enum(opts[i])

	# If this switch takes joined arguments, back-chain all
	# subsequent switches to it for which it is a prefix.  If
	# a later switch S is a longer prefix of a switch T, T
	# will be back-chained to S in a later iteration of this
	# for() loop, which is what we want.
	if (flag_set_p("Joined.*", flags[i])) {
		for (j = i + 1; j < n_opts; j++) {
			if (substr (opts[j], 1, len) != opts[i])
				break;
			back_chain[j] = enum;
		}
	}

	s = substr("                                  ", length (opts[i]))
	if (i + 1 == n_opts)
		comma = ""

	if (help[i] == "")
		hlp = "0"
	else
		hlp = quote help[i] quote;

	missing_arg_error = opt_args("MissingArgError", flags[i])
	if (missing_arg_error == "")
		missing_arg_error = "0"
	else
		missing_arg_error = quote missing_arg_error quote


	warn_message = opt_args("Warn", flags[i])
	if (warn_message == "")
		warn_message = "0"
	else
		warn_message = quote warn_message quote

	alias_arg = opt_args("Alias", flags[i])
	if (alias_arg == "") {
		if (flag_set_p("Ignore", flags[i]))
			alias_data = "NULL, NULL, OPT_SPECIAL_ignore"
		else
			alias_data = "NULL, NULL, N_OPTS"
	} else {
		alias_opt = nth_arg(0, alias_arg)
		alias_posarg = nth_arg(1, alias_arg)
		alias_negarg = nth_arg(2, alias_arg)

		if (var_ref(opts[i], flags[i]) != "-1")
			print "#error Alias setting variable"

		if (alias_posarg != "" && alias_negarg == "") {
			if (!flag_set_p("RejectNegative", flags[i]) \
			    && opts[i] ~ "^[Wfm]")
				print "#error Alias with single argument " \
					"allowing negative form"
		}
		if (alias_posarg != "" \
		    && flag_set_p("NegativeAlias", flags[i])) {
			print "#error Alias with multiple arguments " \
				"used with NegativeAlias"
		}

		alias_opt = opt_enum(alias_opt)
		if (alias_posarg == "")
			alias_posarg = "NULL"
		else
			alias_posarg = quote alias_posarg quote
		if (alias_negarg == "")
			alias_negarg = "NULL"
		else
			alias_negarg = quote alias_negarg quote
		alias_data = alias_posarg ", " alias_negarg ", " alias_opt
	}

	neg = opt_args("Negative", flags[i]);
	if (neg != "")
		idx = indices[neg]
	else {
		if (flag_set_p("RejectNegative", flags[i]))
			idx = -1;
		else {
			if (opts[i] ~ "^[Wfm]")
				idx = indices[opts[i]];
			else
				idx = -1;
		}
	}
	# Split the printf after %u to work around an ia64-hp-hpux11.23
	# awk bug.
	printf("  { %c-%s%c,\n    %s,\n    %s,\n    %s,\n    %s, %s, %u,",
	       quote, opts[i], quote, hlp, missing_arg_error, warn_message,
	       alias_data, back_chain[i], len)
	printf(" %d,\n", idx)
	condition = opt_args("Condition", flags[i])
	cl_flags = switch_flags(flags[i])
	cl_bit_fields = switch_bit_fields(flags[i])
	cl_zero_bit_fields = switch_bit_fields("")
	if (condition != "")
		printf("#if %s\n" \
		       "    %s,\n" \
		       "    0, %s,\n" \
		       "#else\n" \
		       "    0,\n" \
		       "    1 /* Disabled.  */, %s,\n" \
		       "#endif\n",
		       condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
	else
		printf("    %s,\n" \
		       "    0, %s,\n",
		       cl_flags, cl_bit_fields)
	printf("    %s, %s }%s\n", var_ref(opts[i], flags[i]),
	       var_set(flags[i]), comma)
}

print "};"

print "\n\n"
print "bool                                                                  "
print "common_handle_option_auto (struct gcc_options *opts,                  "
print "                           struct gcc_options *opts_set,              "
print "                           const struct cl_decoded_option *decoded,   "
print "                           unsigned int lang_mask, int kind,          "
print "                           location_t loc,                            "
print "                           const struct cl_option_handlers *handlers, "
print "                           diagnostic_context *dc)                    "
print "{                                                                     "
print "  size_t scode = decoded->opt_index;                                  "
print "  int value = decoded->value;                                         "
print "  enum opt_code code = (enum opt_code) scode;                         "
print "                                                                      "
print "  gcc_assert (decoded->canonical_option_num_elements <= 2);           "
print "                                                                      "
print "  switch (code)                                                       "
print "    {                                                                 "
# Handle EnabledBy
for (i = 0; i < n_enabledby; i++) {
    enabledby_name = enabledby[i];
    print "    case " opt_enum(enabledby_name) ":"
    n_enables = split(enables[enabledby_name], thisenable, ";");
    n_enablesif = split(enablesif[enabledby_name], thisenableif, ";");
    if (n_enables != n_enablesif) {
        print "#error n_enables != n_enablesif: Something went wrong!"
    }
    for (j = 1; j < n_enables; j++) {
        opt_var_name = var_name(flags[opt_numbers[thisenable[j]]]);
        if (opt_var_name != "") {
            condition = "!opts_set->x_" opt_var_name
            if (thisenableif[j] != "") {
                condition = condition " && (" thisenableif[j] ")"
            }
            print "      if (" condition ")"
            print "        handle_generated_option (opts, opts_set,"
            print "                                 " opt_enum(thisenable[j]) ", NULL, value,"
            print "                                 lang_mask, kind, loc, handlers, dc);"
        } else {
            print "#error " thisenable[j] " does not have a Var() flag"
        }
    }
    print "      break;\n"
}
print "    default:    "
print "      break;    "
print "    }           "
print "  return true;  "
print "}               "

# Handle LangEnabledBy
for (i = 0; i < n_langs; i++) {
    lang_name = lang_sanitized_name(langs[i]);
    mark_unused = " ATTRIBUTE_UNUSED";

    print "\n\n"
    print "bool                                                                  "
    print lang_name "_handle_option_auto (struct gcc_options *opts" mark_unused ",              "
    print "                           struct gcc_options *opts_set" mark_unused ",              "
    print "                           size_t scode" mark_unused ", const char *arg" mark_unused ", int value" mark_unused ",  "
    print "                           unsigned int lang_mask" mark_unused ", int kind" mark_unused ",          "
    print "                           location_t loc" mark_unused ",                            "
    print "                           const struct cl_option_handlers *handlers" mark_unused ", "
    print "                           diagnostic_context *dc" mark_unused ")                    "
    print "{                                                                     "
    print "  enum opt_code code = (enum opt_code) scode;                         "
    print "                                                                      "
    print "  switch (code)                                                       "
    print "    {                                                                 "
    
    for (k = 0; k < n_enabledby_lang[i]; k++) {
        enabledby_name = enabledby[lang_name,k];
        print "    case " opt_enum(enabledby_name) ":"
        n_thisenable = split(enables[lang_name,enabledby_name], thisenable, ";");
        for (j = 1; j < n_thisenable; j++) {
            n_thisenable_args = split(thisenable[j], thisenable_args, ",");
            if (n_thisenable_args == 1) {
                thisenable_opt = thisenable[j];
                value = "value";
            } else {
                thisenable_opt = thisenable_args[1];
                with_posarg = thisenable_args[2];
                with_negarg = thisenable_args[3];
                value = "value ? " with_posarg " : " with_negarg;
            }
            opt_var_name = var_name(flags[opt_numbers[thisenable_opt]]);
            if (opt_var_name != "") {
                print "      if (!opts_set->x_" opt_var_name ")"
                print "        handle_generated_option (opts, opts_set,"
                print "                                 " opt_enum(thisenable_opt) ", NULL, " value ","
                print "                                 lang_mask, kind, loc, handlers, dc);"
            } else {
                print "#error " thisenable_opt " does not have a Var() flag"
            }
        }
        print "      break;\n"
    }
    print "    default:    "
    print "      break;    "
    print "    }           "
    print "  return true;  "
    print "}               "
}

}
Commit	Line	Data
3aea1f79	1	# Copyright (C) 2003-2014 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
8c4c00c1	17	# <http://www.gnu.org/licenses/>.
e8b212b8	18
e8b212b8	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.
e8b212b8	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
e8b212b8	29
e8b212b8	30	# Dump that array of options into a C file.
e8b212b8	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 != "") {
1090f26f	41	n_enabledby_names = split(enabledby_arg, enabledby_names, " && ");
	42	if (n_enabledby_names > 2) {
	43	print "#error EnabledBy (Wfoo && Wbar && Wbaz) not currently supported"
	44	}
	45	for (j = 1; j <= n_enabledby_names; j++) {
	46	enabledby_name = enabledby_names[j];
	47	enabledby_index = opt_numbers[enabledby_name];
	48	if (enabledby_index == "") {
	49	print "#error Enabledby: " enabledby_name
	50	} else {
	51	condition = "";
	52	if (n_enabledby_names == 2) {
	53	opt_var_name_1 = search_var_name(enabledby_names[1], opt_numbers, opts, flags, n_opts);
	54	opt_var_name_2 = search_var_name(enabledby_names[2], opt_numbers, opts, flags, n_opts);
	55	if (opt_var_name_1 == "") {
	56	print "#error " enabledby_names[1] " does not have a Var() flag"
	57	}
	58	if (opt_var_name_2 == "") {
	59	print "#error " enabledby_names[2] " does not have a Var() flag"
	60	}
	61	condition = "opts->x_" opt_var_name_1 " && opts->x_" opt_var_name_2;
	62	}
	63	if (enables[enabledby_name] == "") {
	64	enabledby[n_enabledby] = enabledby_name;
	65	n_enabledby++;
	66	}
	67	enables[enabledby_name] = enables[enabledby_name] opts[i] ";";
	68	enablesif[enabledby_name] = enablesif[enabledby_name] condition ";";
d3b7ee7c	69	}
d3b7ee7c	70	}
	71	}
	72
	73	enabledby_arg = opt_args("LangEnabledBy", flags[i]);
	74	if (enabledby_arg != "") {
5493f55e	75	enabledby_langs = nth_arg(0, enabledby_arg);
d3b7ee7c	76	enabledby_name = nth_arg(1, enabledby_arg);
5493f55e	77	enabledby_posarg = nth_arg(2, enabledby_arg);
	78	enabledby_negarg = nth_arg(3, enabledby_arg);
	79	lang_enabled_by(enabledby_langs, enabledby_name, enabledby_posarg, enabledby_negarg);
d3b7ee7c	80	}
	81	}
	82
	83
30b0f428	84	print "/* This file is auto-generated by optc-gen.awk. */"
e8b212b8	85	print ""
5c5ccba2	86	n_headers = split(header_name, headers, " ")
	87	for (i = 1; i <= n_headers; i++)
	88	print "#include " quote headers[i] quote
e8b212b8	89	print "#include " quote "opts.h" quote
6ce616df	90	print "#include " quote "intl.h" quote
19c83f00	91	print "#include " quote "insn-attr-common.h" quote
e8b212b8	92	print ""
e8b212b8	93
755fa783	94	if (n_extra_c_includes > 0) {
	95	for (i = 0; i < n_extra_c_includes; i++) {
	96	print "#include " quote extra_c_includes[i] quote
	97	}
	98	print ""
	99	}
	100
d62a5950	101	for (i = 0; i < n_enums; i++) {
	102	name = enum_names[i]
	103	type = enum_type[name]
	104	print "static const struct cl_enum_arg cl_enum_" name \
	105	"_data[] = "
	106	print "{"
	107	print enum_data[name] " { NULL, 0, 0 }"
	108	print "};"
	109	print ""
	110	print "static void"
	111	print "cl_enum_" name "_set (void *var, int value)"
	112	print "{"
	113	print " ((" type " ) var) = (" type ") value;"
	114	print "}"
	115	print ""
	116	print "static int"
	117	print "cl_enum_" name "_get (const void *var)"
	118	print "{"
	119	print " return (int) ((const " type " ) var);"
	120	print "}"
	121	print ""
	122	}
	123
	124	print "const struct cl_enum cl_enums[] ="
	125	print "{"
	126	for (i = 0; i < n_enums; i++) {
	127	name = enum_names[i]
	128	ehelp = enum_help[name]
	129	if (ehelp == "")
	130	ehelp = "NULL"
	131	else
	132	ehelp = quote ehelp quote
	133	unknown_error = enum_unknown_error[name]
	134	if (unknown_error == "")
	135	unknown_error = "NULL"
	136	else
	137	unknown_error = quote unknown_error quote
	138	print " {"
	139	print " " ehelp ","
	140	print " " unknown_error ","
	141	print " cl_enum_" name "_data,"
	142	print " sizeof (" enum_type[name] "),"
	143	print " cl_enum_" name "_set,"
	144	print " cl_enum_" name "_get"
	145	print " },"
	146	}
	147	print "};"
	148	print "const unsigned int cl_enums_count = " n_enums ";"
	149	print ""
	150
f3f006ad	151	print "const struct gcc_options global_options_init =\n{"
0f8defe5	152	for (i = 0; i < n_extra_vars; i++) {
5ae82d58	153	var = extra_vars[i]
	154	init = extra_vars[i]
	155	if (var ~ "=" ) {
	156	sub(".= ", "", init)
5ae82d58	157	} else {
	158	init = "0"
	159	}
c3be4b75	160	sub(" =.", "", var)
	161	name = var
	162	sub("^.[ ]", "", name)
	163	sub("\\[.*\\]$", "", name)
	164	var_seen[name] = 1
	165	print " " init ", /* " name " */"
0f8defe5	166	}
e8b212b8	167	for (i = 0; i < n_opts; i++) {
	168	name = var_name(flags[i]);
	169	if (name == "")
	170	continue;
	171
5ae82d58	172	init = opt_args("Init", flags[i])
	173	if (init != "") {
	174	if (name in var_init && var_init[name] != init)
	175	print "#error multiple initializers for " name
	176	var_init[name] = init
a1baa5f1	177	}
5ae82d58	178	}
	179	for (i = 0; i < n_opts; i++) {
	180	name = var_name(flags[i]);
	181	if (name == "")
	182	continue;
	183
	184	if (name in var_seen)
	185	continue;
	186
	187	if (name in var_init)
	188	init = var_init[name]
	189	else
	190	init = "0"
a150399d	191
5ae82d58	192	print " " init ", /* " name " */"
c5e839cb	193
c5e839cb	194	var_seen[name] = 1;
a150399d	195	}
d6907cfa	196	for (i = 0; i < n_opts; i++) {
d6907cfa	197	name = static_var(opts[i], flags[i]);
2c5d2e39	198	if (name != "") {
	199	print " 0, /* " name " (private state) */"
	200	print "#undef x_" name
	201	}
d6907cfa	202	}
ecee1b29	203	for (i = 0; i < n_opts; i++) {
	204	if (flag_set_p("SetByCombined", flags[i]))
	205	print " false, /* frontend_set_" var_name(flags[i]) " */"
	206	}
2c5d2e39	207	print "};"
d6907cfa	208	print ""
f3f006ad	209	print "struct gcc_options global_options;"
f83b64ca	210	print "struct gcc_options global_options_set;"
f83b64ca	211	print ""
e8b212b8	212
	213	print "const char * const lang_names[] =\n{"
	214	for (i = 0; i < n_langs; i++) {
d3b7ee7c	215	macros[i] = "CL_" lang_sanitized_name(langs[i])
e8b212b8	216	s = substr(" ", length (macros[i]))
	217	print " " quote langs[i] quote ","
	218	}
	219
	220	print " 0\n};\n"
	221	print "const unsigned int cl_options_count = N_OPTS;\n"
634b1f85	222	print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS"
	223	print " #error the number of languages exceeds the implementation limit"
	224	print "#endif"
87c75316	225	print "const unsigned int cl_lang_count = " n_langs ";\n"
e8b212b8	226
	227	print "const struct cl_option cl_options[] =\n{"
	228
a1baa5f1	229	j = 0
a1baa5f1	230	for (i = 0; i < n_opts; i++) {
e8b212b8	231	back_chain[i] = "N_OPTS";
a1baa5f1	232	indices[opts[i]] = j;
	233	# Combine the flags of identical switches. Switches
	234	# appear many times if they are handled by many front
	235	# ends, for example.
	236	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
	237	flags[i + 1] = flags[i] " " flags[i + 1];
e6a03973	238	if (help[i + 1] == "")
e6a03973	239	help[i + 1] = help[i]
0863a8f4	240	else if (help[i] != "" && help[i + 1] != help[i])
4584d89f	241	print "#error Multiple different help strings for " \
	242	opts[i] ":\n\t" help[i] "\n\t" help[i + 1]
	243
a1baa5f1	244	i++;
	245	back_chain[i] = "N_OPTS";
	246	indices[opts[i]] = j;
	247	}
	248	j++;
	249	}
e8b212b8	250
d39ef3aa	251	for (i = 0; i < n_opts; i++) {
e6a03973	252	# With identical flags, pick only the last one. The
	253	# earlier loop ensured that it has all flags merged,
	254	# and a nonempty help text if one of the texts was nonempty.
d39ef3aa	255	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
d39ef3aa	256	i++;
d39ef3aa	257	}
e8b212b8	258
d39ef3aa	259	len = length (opts[i]);
d4c7816a	260	enum = opt_enum(opts[i])
d39ef3aa	261
	262	# If this switch takes joined arguments, back-chain all
	263	# subsequent switches to it for which it is a prefix. If
	264	# a later switch S is a longer prefix of a switch T, T
	265	# will be back-chained to S in a later iteration of this
	266	# for() loop, which is what we want.
	267	if (flag_set_p("Joined.*", flags[i])) {
	268	for (j = i + 1; j < n_opts; j++) {
	269	if (substr (opts[j], 1, len) != opts[i])
	270	break;
	271	back_chain[j] = enum;
e8b212b8	272	}
d39ef3aa	273	}
e8b212b8	274
d39ef3aa	275	s = substr(" ", length (opts[i]))
	276	if (i + 1 == n_opts)
	277	comma = ""
e8b212b8	278
d39ef3aa	279	if (help[i] == "")
	280	hlp = "0"
	281	else
	282	hlp = quote help[i] quote;
e8b212b8	283
fecf9011	284	missing_arg_error = opt_args("MissingArgError", flags[i])
	285	if (missing_arg_error == "")
	286	missing_arg_error = "0"
	287	else
	288	missing_arg_error = quote missing_arg_error quote
	289
3b0273a1	290
	291	warn_message = opt_args("Warn", flags[i])
	292	if (warn_message == "")
	293	warn_message = "0"
	294	else
	295	warn_message = quote warn_message quote
	296
67089c6b	297	alias_arg = opt_args("Alias", flags[i])
67089c6b	298	if (alias_arg == "") {
3b0273a1	299	if (flag_set_p("Ignore", flags[i]))
	300	alias_data = "NULL, NULL, OPT_SPECIAL_ignore"
	301	else
	302	alias_data = "NULL, NULL, N_OPTS"
67089c6b	303	} else {
	304	alias_opt = nth_arg(0, alias_arg)
	305	alias_posarg = nth_arg(1, alias_arg)
	306	alias_negarg = nth_arg(2, alias_arg)
	307
2c5d2e39	308	if (var_ref(opts[i], flags[i]) != "-1")
67089c6b	309	print "#error Alias setting variable"
	310
	311	if (alias_posarg != "" && alias_negarg == "") {
	312	if (!flag_set_p("RejectNegative", flags[i]) \
	313	&& opts[i] ~ "^[Wfm]")
	314	print "#error Alias with single argument " \
	315	"allowing negative form"
	316	}
4e775b8e	317	if (alias_posarg != "" \
	318	&& flag_set_p("NegativeAlias", flags[i])) {
	319	print "#error Alias with multiple arguments " \
	320	"used with NegativeAlias"
	321	}
67089c6b	322
	323	alias_opt = opt_enum(alias_opt)
	324	if (alias_posarg == "")
	325	alias_posarg = "NULL"
	326	else
	327	alias_posarg = quote alias_posarg quote
	328	if (alias_negarg == "")
	329	alias_negarg = "NULL"
	330	else
	331	alias_negarg = quote alias_negarg quote
	332	alias_data = alias_posarg ", " alias_negarg ", " alias_opt
	333	}
	334
a1baa5f1	335	neg = opt_args("Negative", flags[i]);
	336	if (neg != "")
	337	idx = indices[neg]
	338	else {
	339	if (flag_set_p("RejectNegative", flags[i]))
	340	idx = -1;
	341	else {
	342	if (opts[i] ~ "^[Wfm]")
	343	idx = indices[opts[i]];
	344	else
	345	idx = -1;
	346	}
	347	}
13c2c394	348	# Split the printf after %u to work around an ia64-hp-hpux11.23
13c2c394	349	# awk bug.
3b0273a1	350	printf(" { %c-%s%c,\n %s,\n %s,\n %s,\n %s, %s, %u,",
3b0273a1	351	quote, opts[i], quote, hlp, missing_arg_error, warn_message,
67089c6b	352	alias_data, back_chain[i], len)
13c2c394	353	printf(" %d,\n", idx)
5c5ccba2	354	condition = opt_args("Condition", flags[i])
5c5ccba2	355	cl_flags = switch_flags(flags[i])
ec840af4	356	cl_bit_fields = switch_bit_fields(flags[i])
ec840af4	357	cl_zero_bit_fields = switch_bit_fields("")
5c5ccba2	358	if (condition != "")
	359	printf("#if %s\n" \
	360	" %s,\n" \
ec840af4	361	" 0, %s,\n" \
5c5ccba2	362	"#else\n" \
ec840af4	363	" 0,\n" \
ec840af4	364	" 1 /* Disabled. */, %s,\n" \
5c5ccba2	365	"#endif\n",
ec840af4	366	condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
5c5ccba2	367	else
ec840af4	368	printf(" %s,\n" \
	369	" 0, %s,\n",
	370	cl_flags, cl_bit_fields)
d6907cfa	371	printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
d6907cfa	372	var_set(flags[i]), comma)
e8b212b8	373	}
	374
	375	print "};"
46f8e3b0	376
fbb6fbd8	377	print "\n\n"
	378	print "bool "
	379	print "common_handle_option_auto (struct gcc_options *opts, "
	380	print " struct gcc_options *opts_set, "
	381	print " const struct cl_decoded_option *decoded, "
	382	print " unsigned int lang_mask, int kind, "
	383	print " location_t loc, "
	384	print " const struct cl_option_handlers *handlers, "
	385	print " diagnostic_context *dc) "
	386	print "{ "
	387	print " size_t scode = decoded->opt_index; "
	388	print " int value = decoded->value; "
	389	print " enum opt_code code = (enum opt_code) scode; "
	390	print " "
	391	print " gcc_assert (decoded->canonical_option_num_elements <= 2); "
	392	print " "
	393	print " switch (code) "
	394	print " { "
1090f26f	395	# Handle EnabledBy
fbb6fbd8	396	for (i = 0; i < n_enabledby; i++) {
	397	enabledby_name = enabledby[i];
	398	print " case " opt_enum(enabledby_name) ":"
77b27208	399	n_enables = split(enables[enabledby_name], thisenable, ";");
1090f26f	400	n_enablesif = split(enablesif[enabledby_name], thisenableif, ";");
	401	if (n_enables != n_enablesif) {
	402	print "#error n_enables != n_enablesif: Something went wrong!"
	403	}
fbb6fbd8	404	for (j = 1; j < n_enables; j++) {
fbb6fbd8	405	opt_var_name = var_name(flags[opt_numbers[thisenable[j]]]);
db490cb6	406	if (opt_var_name != "") {
1090f26f	407	condition = "!opts_set->x_" opt_var_name
	408	if (thisenableif[j] != "") {
	409	condition = condition " && (" thisenableif[j] ")"
	410	}
	411	print " if (" condition ")"
db490cb6	412	print " handle_generated_option (opts, opts_set,"
	413	print " " opt_enum(thisenable[j]) ", NULL, value,"
	414	print " lang_mask, kind, loc, handlers, dc);"
	415	} else {
	416	print "#error " thisenable[j] " does not have a Var() flag"
	417	}
fbb6fbd8	418	}
fbb6fbd8	419	print " break;\n"
fbb6fbd8	420	}
	421	print " default: "
	422	print " break; "
	423	print " } "
	424	print " return true; "
	425	print "} "
	426
d3b7ee7c	427	# Handle LangEnabledBy
	428	for (i = 0; i < n_langs; i++) {
	429	lang_name = lang_sanitized_name(langs[i]);
	430	mark_unused = " ATTRIBUTE_UNUSED";
	431
	432	print "\n\n"
	433	print "bool "
	434	print lang_name "_handle_option_auto (struct gcc_options *opts" mark_unused ", "
	435	print " struct gcc_options *opts_set" mark_unused ", "
	436	print " size_t scode" mark_unused ", const char *arg" mark_unused ", int value" mark_unused ", "
	437	print " unsigned int lang_mask" mark_unused ", int kind" mark_unused ", "
	438	print " location_t loc" mark_unused ", "
	439	print " const struct cl_option_handlers *handlers" mark_unused ", "
	440	print " diagnostic_context *dc" mark_unused ") "
	441	print "{ "
	442	print " enum opt_code code = (enum opt_code) scode; "
	443	print " "
	444	print " switch (code) "
	445	print " { "
	446
	447	for (k = 0; k < n_enabledby_lang[i]; k++) {
	448	enabledby_name = enabledby[lang_name,k];
	449	print " case " opt_enum(enabledby_name) ":"
77b27208	450	n_thisenable = split(enables[lang_name,enabledby_name], thisenable, ";");
	451	for (j = 1; j < n_thisenable; j++) {
	452	n_thisenable_args = split(thisenable[j], thisenable_args, ",");
	453	if (n_thisenable_args == 1) {
	454	thisenable_opt = thisenable[j];
	455	value = "value";
	456	} else {
	457	thisenable_opt = thisenable_args[1];
	458	with_posarg = thisenable_args[2];
	459	with_negarg = thisenable_args[3];
	460	value = "value ? " with_posarg " : " with_negarg;
	461	}
	462	opt_var_name = var_name(flags[opt_numbers[thisenable_opt]]);
db490cb6	463	if (opt_var_name != "") {
	464	print " if (!opts_set->x_" opt_var_name ")"
	465	print " handle_generated_option (opts, opts_set,"
77b27208	466	print " " opt_enum(thisenable_opt) ", NULL, " value ","
db490cb6	467	print " lang_mask, kind, loc, handlers, dc);"
db490cb6	468	} else {
77b27208	469	print "#error " thisenable_opt " does not have a Var() flag"
db490cb6	470	}
d3b7ee7c	471	}
	472	print " break;\n"
	473	}
	474	print " default: "
	475	print " break; "
	476	print " } "
	477	print " return true; "
	478	print "} "
	479	}
	480
e8b212b8	481	}