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

#  Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011, 2012
#  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 != "") {
        n_enabledby_arg_langs = split(nth_arg(0, enabledby_arg), enabledby_arg_langs, " ");
        enabledby_name = nth_arg(1, enabledby_arg);
        enabledby_posarg = nth_arg(2, enabledby_arg)
	enabledby_negarg = nth_arg(3, enabledby_arg)
        enabledby_index = opt_numbers[enabledby_name];
        if (enabledby_index == "") {
            print "#error LangEnabledby: " enabledby_name 
        } else {
            if (enabledby_posarg != "" && enabledby_negarg != "") {
                with_args = "," enabledby_posarg "," enabledby_negarg
            } else if (enabledby_posarg == "" && enabledby_negarg == "") {
                with_args = ""
            } else {
                print "#error LangEnabledBy with three arguments, it should have either 2 or 4"
            }

            for (j = 1; j <= n_enabledby_arg_langs; j++) {
                lang_name = lang_sanitized_name(enabledby_arg_langs[j]);
                lang_index = lang_numbers[enabledby_arg_langs[j]];
                if (enables[lang_name,enabledby_name] == "") {
                    enabledby[lang_name,n_enabledby_lang[lang_index]] = enabledby_name;
                    n_enabledby_lang[lang_index]++;
                }
                enables[lang_name,enabledby_name] = enables[lang_name,enabledby_name] opts[i] with_args ";";
            }
        }
    }
}


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
7d5a5747	1	# Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011, 2012
c75c517d	2	# Free Software Foundation, Inc.
776dc15d KC	3	# Contributed by Kelley Cook, June 2004.
	4	# Original code from Neil Booth, May 2003.
	5	#
	6	# This program is free software; you can redistribute it and/or modify it
	7	# under the terms of the GNU General Public License as published by the
9dcd6f09	8	# Free Software Foundation; either version 3, or (at your option) any
776dc15d KC	9	# later version.
	10	#
	11	# This program is distributed in the hope that it will be useful,
	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	# GNU General Public License for more details.
	15	#
	16	# You should have received a copy of the GNU General Public License
9dcd6f09 NC	17	# along with this program; see the file COPYING3. If not see
9dcd6f09 NC	18	# <http://www.gnu.org/licenses/>.
776dc15d KC	19
776dc15d KC	20	# This Awk script reads in the option records generated from
fc54bc84	21	# opt-gather.awk, combines the flags of duplicate options and generates a
776dc15d KC	22	# C file.
776dc15d KC	23	#
86fa5de4 JM	24
	25	# This program uses functions from opt-functions.awk and code from
	26	# opt-read.awk.
776dc15d	27	#
86fa5de4	28	# Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \
776dc15d KC	29	# [-v header_name=header.h] < inputfile > options.c
776dc15d KC	30
776dc15d KC	31	# Dump that array of options into a C file.
776dc15d KC	32	END {
f2bc201f MLI	33
	34	# Record first EnabledBy and LangEnabledBy uses.
	35	n_enabledby = 0;
	36	for (i = 0; i < n_langs; i++) {
	37	n_enabledby_lang[i] = 0;
	38	}
	39	for (i = 0; i < n_opts; i++) {
	40	enabledby_arg = opt_args("EnabledBy", flags[i]);
	41	if (enabledby_arg != "") {
d919140b MLI	42	n_enabledby_names = split(enabledby_arg, enabledby_names, " && ");
	43	if (n_enabledby_names > 2) {
	44	print "#error EnabledBy (Wfoo && Wbar && Wbaz) not currently supported"
	45	}
	46	for (j = 1; j <= n_enabledby_names; j++) {
	47	enabledby_name = enabledby_names[j];
	48	enabledby_index = opt_numbers[enabledby_name];
	49	if (enabledby_index == "") {
	50	print "#error Enabledby: " enabledby_name
	51	} else {
	52	condition = "";
	53	if (n_enabledby_names == 2) {
	54	opt_var_name_1 = search_var_name(enabledby_names[1], opt_numbers, opts, flags, n_opts);
	55	opt_var_name_2 = search_var_name(enabledby_names[2], opt_numbers, opts, flags, n_opts);
	56	if (opt_var_name_1 == "") {
	57	print "#error " enabledby_names[1] " does not have a Var() flag"
	58	}
	59	if (opt_var_name_2 == "") {
	60	print "#error " enabledby_names[2] " does not have a Var() flag"
	61	}
	62	condition = "opts->x_" opt_var_name_1 " && opts->x_" opt_var_name_2;
	63	}
	64	if (enables[enabledby_name] == "") {
	65	enabledby[n_enabledby] = enabledby_name;
	66	n_enabledby++;
	67	}
	68	enables[enabledby_name] = enables[enabledby_name] opts[i] ";";
	69	enablesif[enabledby_name] = enablesif[enabledby_name] condition ";";
f2bc201f	70	}
f2bc201f MLI	71	}
	72	}
	73
	74	enabledby_arg = opt_args("LangEnabledBy", flags[i]);
	75	if (enabledby_arg != "") {
	76	n_enabledby_arg_langs = split(nth_arg(0, enabledby_arg), enabledby_arg_langs, " ");
	77	enabledby_name = nth_arg(1, enabledby_arg);
65d4f2cd MLI	78	enabledby_posarg = nth_arg(2, enabledby_arg)
65d4f2cd MLI	79	enabledby_negarg = nth_arg(3, enabledby_arg)
f2bc201f MLI	80	enabledby_index = opt_numbers[enabledby_name];
f2bc201f MLI	81	if (enabledby_index == "") {
65d4f2cd	82	print "#error LangEnabledby: " enabledby_name
f2bc201f	83	} else {
65d4f2cd MLI	84	if (enabledby_posarg != "" && enabledby_negarg != "") {
	85	with_args = "," enabledby_posarg "," enabledby_negarg
	86	} else if (enabledby_posarg == "" && enabledby_negarg == "") {
	87	with_args = ""
	88	} else {
	89	print "#error LangEnabledBy with three arguments, it should have either 2 or 4"
	90	}
	91
f2bc201f MLI	92	for (j = 1; j <= n_enabledby_arg_langs; j++) {
	93	lang_name = lang_sanitized_name(enabledby_arg_langs[j]);
	94	lang_index = lang_numbers[enabledby_arg_langs[j]];
	95	if (enables[lang_name,enabledby_name] == "") {
	96	enabledby[lang_name,n_enabledby_lang[lang_index]] = enabledby_name;
	97	n_enabledby_lang[lang_index]++;
	98	}
65d4f2cd	99	enables[lang_name,enabledby_name] = enables[lang_name,enabledby_name] opts[i] with_args ";";
f2bc201f MLI	100	}
	101	}
	102	}
	103	}
	104
	105
af47e6ac	106	print "/* This file is auto-generated by optc-gen.awk. */"
776dc15d	107	print ""
aeb70e78 RS	108	n_headers = split(header_name, headers, " ")
	109	for (i = 1; i <= n_headers; i++)
	110	print "#include " quote headers[i] quote
776dc15d	111	print "#include " quote "opts.h" quote
fb664b5a	112	print "#include " quote "intl.h" quote
c344a866	113	print "#include " quote "insn-attr-common.h" quote
776dc15d KC	114	print ""
776dc15d KC	115
fd438373 MM	116	if (n_extra_c_includes > 0) {
	117	for (i = 0; i < n_extra_c_includes; i++) {
	118	print "#include " quote extra_c_includes[i] quote
	119	}
	120	print ""
	121	}
	122
e6d4b984 JM	123	for (i = 0; i < n_enums; i++) {
	124	name = enum_names[i]
	125	type = enum_type[name]
	126	print "static const struct cl_enum_arg cl_enum_" name \
	127	"_data[] = "
	128	print "{"
	129	print enum_data[name] " { NULL, 0, 0 }"
	130	print "};"
	131	print ""
	132	print "static void"
	133	print "cl_enum_" name "_set (void *var, int value)"
	134	print "{"
	135	print " ((" type " ) var) = (" type ") value;"
	136	print "}"
	137	print ""
	138	print "static int"
	139	print "cl_enum_" name "_get (const void *var)"
	140	print "{"
	141	print " return (int) ((const " type " ) var);"
	142	print "}"
	143	print ""
	144	}
	145
	146	print "const struct cl_enum cl_enums[] ="
	147	print "{"
	148	for (i = 0; i < n_enums; i++) {
	149	name = enum_names[i]
	150	ehelp = enum_help[name]
	151	if (ehelp == "")
	152	ehelp = "NULL"
	153	else
	154	ehelp = quote ehelp quote
	155	unknown_error = enum_unknown_error[name]
	156	if (unknown_error == "")
	157	unknown_error = "NULL"
	158	else
	159	unknown_error = quote unknown_error quote
	160	print " {"
	161	print " " ehelp ","
	162	print " " unknown_error ","
	163	print " cl_enum_" name "_data,"
	164	print " sizeof (" enum_type[name] "),"
	165	print " cl_enum_" name "_set,"
	166	print " cl_enum_" name "_get"
	167	print " },"
	168	}
	169	print "};"
	170	print "const unsigned int cl_enums_count = " n_enums ";"
	171	print ""
	172
a75bfaa6	173	print "const struct gcc_options global_options_init =\n{"
e90afde6	174	for (i = 0; i < n_extra_vars; i++) {
e3339d0f JM	175	var = extra_vars[i]
	176	init = extra_vars[i]
	177	if (var ~ "=" ) {
	178	sub(".= ", "", init)
e3339d0f JM	179	} else {
	180	init = "0"
	181	}
24f48c2f JM	182	sub(" =.", "", var)
	183	name = var
	184	sub("^.[ ]", "", name)
	185	sub("\\[.*\\]$", "", name)
	186	var_seen[name] = 1
	187	print " " init ", /* " name " */"
e90afde6	188	}
776dc15d KC	189	for (i = 0; i < n_opts; i++) {
	190	name = var_name(flags[i]);
	191	if (name == "")
	192	continue;
	193
e3339d0f JM	194	init = opt_args("Init", flags[i])
	195	if (init != "") {
	196	if (name in var_init && var_init[name] != init)
	197	print "#error multiple initializers for " name
	198	var_init[name] = init
14c7833c	199	}
e3339d0f JM	200	}
	201	for (i = 0; i < n_opts; i++) {
	202	name = var_name(flags[i]);
	203	if (name == "")
	204	continue;
	205
	206	if (name in var_seen)
	207	continue;
	208
	209	if (name in var_init)
	210	init = var_init[name]
	211	else
	212	init = "0"
a56a0779	213
e3339d0f	214	print " " init ", /* " name " */"
f7f655c7 DD	215
f7f655c7 DD	216	var_seen[name] = 1;
a56a0779	217	}
ee133b69 RS	218	for (i = 0; i < n_opts; i++) {
ee133b69 RS	219	name = static_var(opts[i], flags[i]);
46625112 JM	220	if (name != "") {
	221	print " 0, /* " name " (private state) */"
	222	print "#undef x_" name
	223	}
ee133b69	224	}
5e46b0c6 ILT	225	for (i = 0; i < n_opts; i++) {
	226	if (flag_set_p("SetByCombined", flags[i]))
	227	print " false, /* frontend_set_" var_name(flags[i]) " */"
	228	}
46625112	229	print "};"
ee133b69	230	print ""
a75bfaa6	231	print "struct gcc_options global_options;"
d4d24ba4 JM	232	print "struct gcc_options global_options_set;"
d4d24ba4 JM	233	print ""
776dc15d KC	234
	235	print "const char * const lang_names[] =\n{"
	236	for (i = 0; i < n_langs; i++) {
f2bc201f	237	macros[i] = "CL_" lang_sanitized_name(langs[i])
776dc15d KC	238	s = substr(" ", length (macros[i]))
	239	print " " quote langs[i] quote ","
	240	}
	241
	242	print " 0\n};\n"
	243	print "const unsigned int cl_options_count = N_OPTS;\n"
58265ea6 GF	244	print "#if (1U << " n_langs ") > CL_MIN_OPTION_CLASS"
	245	print " #error the number of languages exceeds the implementation limit"
	246	print "#endif"
c662432e	247	print "const unsigned int cl_lang_count = " n_langs ";\n"
776dc15d KC	248
	249	print "const struct cl_option cl_options[] =\n{"
	250
14c7833c L	251	j = 0
14c7833c L	252	for (i = 0; i < n_opts; i++) {
776dc15d	253	back_chain[i] = "N_OPTS";
14c7833c L	254	indices[opts[i]] = j;
	255	# Combine the flags of identical switches. Switches
	256	# appear many times if they are handled by many front
	257	# ends, for example.
	258	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
	259	flags[i + 1] = flags[i] " " flags[i + 1];
a16d1645 RW	260	if (help[i + 1] == "")
a16d1645 RW	261	help[i + 1] = help[i]
40a1cfba	262	else if (help[i] != "" && help[i + 1] != help[i])
71caddc5 MLI	263	print "#error Multiple different help strings for " \
	264	opts[i] ":\n\t" help[i] "\n\t" help[i + 1]
	265
14c7833c L	266	i++;
	267	back_chain[i] = "N_OPTS";
	268	indices[opts[i]] = j;
	269	}
	270	j++;
	271	}
776dc15d	272
b167666c	273	for (i = 0; i < n_opts; i++) {
a16d1645 RW	274	# With identical flags, pick only the last one. The
	275	# earlier loop ensured that it has all flags merged,
	276	# and a nonempty help text if one of the texts was nonempty.
b167666c	277	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
b167666c RS	278	i++;
b167666c RS	279	}
776dc15d	280
b167666c	281	len = length (opts[i]);
9db94baa	282	enum = opt_enum(opts[i])
b167666c RS	283
	284	# If this switch takes joined arguments, back-chain all
	285	# subsequent switches to it for which it is a prefix. If
	286	# a later switch S is a longer prefix of a switch T, T
	287	# will be back-chained to S in a later iteration of this
	288	# for() loop, which is what we want.
	289	if (flag_set_p("Joined.*", flags[i])) {
	290	for (j = i + 1; j < n_opts; j++) {
	291	if (substr (opts[j], 1, len) != opts[i])
	292	break;
	293	back_chain[j] = enum;
776dc15d	294	}
b167666c	295	}
776dc15d	296
b167666c RS	297	s = substr(" ", length (opts[i]))
	298	if (i + 1 == n_opts)
	299	comma = ""
776dc15d	300
b167666c RS	301	if (help[i] == "")
	302	hlp = "0"
	303	else
	304	hlp = quote help[i] quote;
776dc15d	305
61ff2bdc JM	306	missing_arg_error = opt_args("MissingArgError", flags[i])
	307	if (missing_arg_error == "")
	308	missing_arg_error = "0"
	309	else
	310	missing_arg_error = quote missing_arg_error quote
	311
2d2bd949 JM	312
	313	warn_message = opt_args("Warn", flags[i])
	314	if (warn_message == "")
	315	warn_message = "0"
	316	else
	317	warn_message = quote warn_message quote
	318
5de8299c JM	319	alias_arg = opt_args("Alias", flags[i])
5de8299c JM	320	if (alias_arg == "") {
2d2bd949 JM	321	if (flag_set_p("Ignore", flags[i]))
	322	alias_data = "NULL, NULL, OPT_SPECIAL_ignore"
	323	else
	324	alias_data = "NULL, NULL, N_OPTS"
5de8299c JM	325	} else {
	326	alias_opt = nth_arg(0, alias_arg)
	327	alias_posarg = nth_arg(1, alias_arg)
	328	alias_negarg = nth_arg(2, alias_arg)
	329
46625112	330	if (var_ref(opts[i], flags[i]) != "-1")
5de8299c JM	331	print "#error Alias setting variable"
	332
	333	if (alias_posarg != "" && alias_negarg == "") {
	334	if (!flag_set_p("RejectNegative", flags[i]) \
	335	&& opts[i] ~ "^[Wfm]")
	336	print "#error Alias with single argument " \
	337	"allowing negative form"
	338	}
666a21a2 JM	339	if (alias_posarg != "" \
	340	&& flag_set_p("NegativeAlias", flags[i])) {
	341	print "#error Alias with multiple arguments " \
	342	"used with NegativeAlias"
	343	}
5de8299c JM	344
	345	alias_opt = opt_enum(alias_opt)
	346	if (alias_posarg == "")
	347	alias_posarg = "NULL"
	348	else
	349	alias_posarg = quote alias_posarg quote
	350	if (alias_negarg == "")
	351	alias_negarg = "NULL"
	352	else
	353	alias_negarg = quote alias_negarg quote
	354	alias_data = alias_posarg ", " alias_negarg ", " alias_opt
	355	}
	356
14c7833c L	357	neg = opt_args("Negative", flags[i]);
	358	if (neg != "")
	359	idx = indices[neg]
	360	else {
	361	if (flag_set_p("RejectNegative", flags[i]))
	362	idx = -1;
	363	else {
	364	if (opts[i] ~ "^[Wfm]")
	365	idx = indices[opts[i]];
	366	else
	367	idx = -1;
	368	}
	369	}
b1c61c7e RW	370	# Split the printf after %u to work around an ia64-hp-hpux11.23
b1c61c7e RW	371	# awk bug.
2d2bd949 JM	372	printf(" { %c-%s%c,\n %s,\n %s,\n %s,\n %s, %s, %u,",
2d2bd949 JM	373	quote, opts[i], quote, hlp, missing_arg_error, warn_message,
5de8299c	374	alias_data, back_chain[i], len)
b1c61c7e	375	printf(" %d,\n", idx)
aeb70e78 RS	376	condition = opt_args("Condition", flags[i])
aeb70e78 RS	377	cl_flags = switch_flags(flags[i])
300d83d9 JM	378	cl_bit_fields = switch_bit_fields(flags[i])
300d83d9 JM	379	cl_zero_bit_fields = switch_bit_fields("")
aeb70e78 RS	380	if (condition != "")
	381	printf("#if %s\n" \
	382	" %s,\n" \
300d83d9	383	" 0, %s,\n" \
aeb70e78	384	"#else\n" \
300d83d9 JM	385	" 0,\n" \
300d83d9 JM	386	" 1 /* Disabled. */, %s,\n" \
aeb70e78	387	"#endif\n",
300d83d9	388	condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
aeb70e78	389	else
300d83d9 JM	390	printf(" %s,\n" \
	391	" 0, %s,\n",
	392	cl_flags, cl_bit_fields)
ee133b69 RS	393	printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
ee133b69 RS	394	var_set(flags[i]), comma)
776dc15d KC	395	}
	396
	397	print "};"
ab442df7	398
7d5a5747 MLI	399	print "\n\n"
	400	print "bool "
	401	print "common_handle_option_auto (struct gcc_options *opts, "
	402	print " struct gcc_options *opts_set, "
	403	print " const struct cl_decoded_option *decoded, "
	404	print " unsigned int lang_mask, int kind, "
	405	print " location_t loc, "
	406	print " const struct cl_option_handlers *handlers, "
	407	print " diagnostic_context *dc) "
	408	print "{ "
	409	print " size_t scode = decoded->opt_index; "
	410	print " int value = decoded->value; "
	411	print " enum opt_code code = (enum opt_code) scode; "
	412	print " "
	413	print " gcc_assert (decoded->canonical_option_num_elements <= 2); "
	414	print " "
	415	print " switch (code) "
	416	print " { "
d919140b	417	# Handle EnabledBy
7d5a5747 MLI	418	for (i = 0; i < n_enabledby; i++) {
	419	enabledby_name = enabledby[i];
	420	print " case " opt_enum(enabledby_name) ":"
65d4f2cd	421	n_enables = split(enables[enabledby_name], thisenable, ";");
d919140b MLI	422	n_enablesif = split(enablesif[enabledby_name], thisenableif, ";");
	423	if (n_enables != n_enablesif) {
	424	print "#error n_enables != n_enablesif: Something went wrong!"
	425	}
7d5a5747 MLI	426	for (j = 1; j < n_enables; j++) {
7d5a5747 MLI	427	opt_var_name = var_name(flags[opt_numbers[thisenable[j]]]);
9b095bf1	428	if (opt_var_name != "") {
d919140b MLI	429	condition = "!opts_set->x_" opt_var_name
	430	if (thisenableif[j] != "") {
	431	condition = condition " && (" thisenableif[j] ")"
	432	}
	433	print " if (" condition ")"
9b095bf1 MLI	434	print " handle_generated_option (opts, opts_set,"
	435	print " " opt_enum(thisenable[j]) ", NULL, value,"
	436	print " lang_mask, kind, loc, handlers, dc);"
	437	} else {
	438	print "#error " thisenable[j] " does not have a Var() flag"
	439	}
7d5a5747 MLI	440	}
7d5a5747 MLI	441	print " break;\n"
7d5a5747 MLI	442	}
	443	print " default: "
	444	print " break; "
	445	print " } "
	446	print " return true; "
	447	print "} "
	448
f2bc201f MLI	449	# Handle LangEnabledBy
	450	for (i = 0; i < n_langs; i++) {
	451	lang_name = lang_sanitized_name(langs[i]);
	452	mark_unused = " ATTRIBUTE_UNUSED";
	453
	454	print "\n\n"
	455	print "bool "
	456	print lang_name "_handle_option_auto (struct gcc_options *opts" mark_unused ", "
	457	print " struct gcc_options *opts_set" mark_unused ", "
	458	print " size_t scode" mark_unused ", const char *arg" mark_unused ", int value" mark_unused ", "
	459	print " unsigned int lang_mask" mark_unused ", int kind" mark_unused ", "
	460	print " location_t loc" mark_unused ", "
	461	print " const struct cl_option_handlers *handlers" mark_unused ", "
	462	print " diagnostic_context *dc" mark_unused ") "
	463	print "{ "
	464	print " enum opt_code code = (enum opt_code) scode; "
	465	print " "
	466	print " switch (code) "
	467	print " { "
	468
	469	for (k = 0; k < n_enabledby_lang[i]; k++) {
	470	enabledby_name = enabledby[lang_name,k];
	471	print " case " opt_enum(enabledby_name) ":"
65d4f2cd MLI	472	n_thisenable = split(enables[lang_name,enabledby_name], thisenable, ";");
	473	for (j = 1; j < n_thisenable; j++) {
	474	n_thisenable_args = split(thisenable[j], thisenable_args, ",");
	475	if (n_thisenable_args == 1) {
	476	thisenable_opt = thisenable[j];
	477	value = "value";
	478	} else {
	479	thisenable_opt = thisenable_args[1];
	480	with_posarg = thisenable_args[2];
	481	with_negarg = thisenable_args[3];
	482	value = "value ? " with_posarg " : " with_negarg;
	483	}
	484	opt_var_name = var_name(flags[opt_numbers[thisenable_opt]]);
9b095bf1 MLI	485	if (opt_var_name != "") {
	486	print " if (!opts_set->x_" opt_var_name ")"
	487	print " handle_generated_option (opts, opts_set,"
65d4f2cd	488	print " " opt_enum(thisenable_opt) ", NULL, " value ","
9b095bf1 MLI	489	print " lang_mask, kind, loc, handlers, dc);"
9b095bf1 MLI	490	} else {
65d4f2cd	491	print "#error " thisenable_opt " does not have a Var() flag"
9b095bf1	492	}
f2bc201f MLI	493	}
	494	print " break;\n"
	495	}
	496	print " default: "
	497	print " break; "
	498	print " } "
	499	print " return true; "
	500	print "} "
	501	}
	502
776dc15d	503	}