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

#  Copyright (C) 2003,2004,2005,2006,2007,2008, 2010
#  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 header file.
#
# This program uses functions from opt-functions.awk
# Usage: awk -f opt-functions.awk -f opth-gen.awk < inputfile > options.h

BEGIN {
	n_opts = 0
	n_langs = 0
	n_target_save = 0
	n_extra_vars = 0
	n_extra_masks = 0
	FS=SUBSEP
}

# Collect the text and flags of each option into an array
	{
		if ($1 == "Language") {
			langs[n_langs] = $2
			n_langs++;
		}
		else if ($1 == "TargetSave") {
			# Make sure the declarations are put in source order
			target_save_decl[n_target_save] = $2
			n_target_save++
		}
		else if ($1 == "Variable") {
			extra_vars[n_extra_vars] = $2
			n_extra_vars++
		}
		else {
			name = opt_args("Mask", $1)
			if (name == "") {
				opts[n_opts]  = $1
				flags[n_opts] = $2
				help[n_opts]  = $3
				n_opts++;
			}
			else {
				extra_masks[n_extra_masks++] = name
			}
		}
	}

# Dump out an enumeration into a .h file.
# Combine the flags of duplicate options.
END {
print "/* This file is auto-generated by opth-gen.awk.  */"
print ""
print "#ifndef OPTIONS_H"
print "#define OPTIONS_H"
print ""

have_save = 0;

print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
print "#ifndef GENERATOR_FILE"
print "struct gcc_options\n{"
print "#endif"

for (i = 0; i < n_extra_vars; i++) {
	var = extra_vars[i]
	sub(" *=.*", "", var)
	orig_var = var
	name = var
	type = var
	sub("^.*[ *]", "", name)
	sub(" *" name "$", "", type)
	var_seen[name] = 1
	print "#ifdef GENERATOR_FILE"
	print "extern " orig_var ";"
	print "#else"
	print "  " type " x_" name ";"
	print "#define " name " global_options.x_" name
	print "#endif"
}

for (i = 0; i < n_opts; i++) {
	if (flag_set_p("Save", flags[i]))
		have_save = 1;

	name = var_name(flags[i]);
	if (name == "")
		continue;

	if (name in var_seen)
		continue;

	var_seen[name] = 1;
	print "#ifdef GENERATOR_FILE"
	print "extern " var_type(flags[i]) name ";"
	print "#else"
	print "  " var_type(flags[i]) "x_" name ";"
	print "#define " name " global_options.x_" name
	print "#endif"
}
for (i = 0; i < n_opts; i++) {
	name = static_var(opts[i], flags[i]);
	if (name != "") {
		print "#ifndef GENERATOR_FILE"
		print "  " var_type(flags[i]) "x_" name ";"
		print "#define x_" name " do_not_use"
		print "#endif"
	}
}
print "#ifndef GENERATOR_FILE"
print "};"
print "extern struct gcc_options global_options;"
print "extern const struct gcc_options global_options_init;"
print "extern struct gcc_options global_options_set;"
print "#define target_flags_explicit global_options_set.x_target_flags"
print "#endif"
print "#endif"
print ""

# All of the optimization switches gathered together so they can be saved and restored.
# This will allow attribute((cold)) to turn on space optimization.

# Change the type of normal switches from int to unsigned char to save space.
# Also, order the structure so that pointer fields occur first, then int
# fields, and then char fields to provide the best packing.

print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
print ""
print "/* Structure to save/restore optimization and target specific options.  */";
print "struct GTY(()) cl_optimization";
print "{";

n_opt_char = 2;
n_opt_short = 0;
n_opt_int = 0;
n_opt_other = 0;
var_opt_char[0] = "unsigned char x_optimize";
var_opt_char[1] = "unsigned char x_optimize_size";

for (i = 0; i < n_opts; i++) {
	if (flag_set_p("Optimization", flags[i])) {
		name = var_name(flags[i])
		if(name == "")
			continue;

		if(name in var_opt_seen)
			continue;

		var_opt_seen[name]++;
		otype = var_type_struct(flags[i]);
		if (otype ~ "^((un)?signed +)?int *$")
			var_opt_int[n_opt_int++] = otype "x_" name;

		else if (otype ~ "^((un)?signed +)?short *$")
			var_opt_short[n_opt_short++] = otype "x_" name;

		else if (otype ~ "^((un)?signed +)?char *$")
			var_opt_char[n_opt_char++] = otype "x_" name;

		else
			var_opt_other[n_opt_other++] = otype "x_" name;
	}
}

for (i = 0; i < n_opt_other; i++) {
	print "  " var_opt_other[i] ";";
}

for (i = 0; i < n_opt_int; i++) {
	print "  " var_opt_int[i] ";";
}

for (i = 0; i < n_opt_short; i++) {
	print "  " var_opt_short[i] ";";
}

for (i = 0; i < n_opt_char; i++) {
	print "  " var_opt_char[i] ";";
}

print "};";
print "";

# Target and optimization save/restore/print functions.
print "/* Structure to save/restore selected target specific options.  */";
print "struct GTY(()) cl_target_option";
print "{";

n_target_char = 0;
n_target_short = 0;
n_target_int = 0;
n_target_other = 0;

for (i = 0; i < n_target_save; i++) {
	if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
		var_target_int[n_target_int++] = target_save_decl[i];

	else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
		var_target_short[n_target_short++] = target_save_decl[i];

	else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
		var_target_char[n_target_char++] = target_save_decl[i];

	else
		var_target_other[n_target_other++] = target_save_decl[i];
}

if (have_save) {
	for (i = 0; i < n_opts; i++) {
		if (flag_set_p("Save", flags[i])) {
			name = var_name(flags[i])
			if(name == "")
				name = "target_flags";

			if(name in var_save_seen)
				continue;

			var_save_seen[name]++;
			otype = var_type_struct(flags[i])
			if (otype ~ "^((un)?signed +)?int *$")
				var_target_int[n_target_int++] = otype "x_" name;

			else if (otype ~ "^((un)?signed +)?short *$")
				var_target_short[n_target_short++] = otype "x_" name;

			else if (otype ~ "^((un)?signed +)?char *$")
				var_target_char[n_target_char++] = otype "x_" name;

			else
				var_target_other[n_target_other++] = otype "x_" name;
		}
	}
} else {
	var_target_int[n_target_int++] = "int x_target_flags";
}

for (i = 0; i < n_target_other; i++) {
	print "  " var_target_other[i] ";";
}

for (i = 0; i < n_target_int; i++) {
	print "  " var_target_int[i] ";";
}

for (i = 0; i < n_target_short; i++) {
	print "  " var_target_short[i] ";";
}

for (i = 0; i < n_target_char; i++) {
	print "  " var_target_char[i] ";";
}

print "};";
print "";
print "";
print "/* Save optimization variables into a structure.  */"
print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
print "";
print "/* Restore optimization variables from a structure.  */";
print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
print "";
print "/* Print optimization variables from a structure.  */";
print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
print "";
print "/* Save selected option variables into a structure.  */"
print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
print "";
print "/* Restore selected option variables from a structure.  */"
print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
print "";
print "/* Print target option variables from a structure.  */";
print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
print "#endif";
print "";

for (i = 0; i < n_opts; i++) {
	name = opt_args("Mask", flags[i])
	vname = var_name(flags[i])
	mask = "MASK_"
	if (vname != "") {
		mask = "OPTION_MASK_"
	}
	if (name != "" && !flag_set_p("MaskExists", flags[i]))
		print "#define " mask name " (1 << " masknum[vname]++ ")"
}
for (i = 0; i < n_extra_masks; i++) {
	print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
}

for (var in masknum) {
	if (masknum[var] > 31) {
		if (var == "")
			print "#error too many target masks"
		else
			print "#error too many masks for " var
	}
}
print ""

for (i = 0; i < n_opts; i++) {
	name = opt_args("Mask", flags[i])
	vname = var_name(flags[i])
	macro = "OPTION_"
	mask = "OPTION_MASK_"
	if (vname == "") {
		vname = "target_flags"
		macro = "TARGET_"
		mask = "MASK_"
	}
	if (name != "" && !flag_set_p("MaskExists", flags[i]))
		print "#define " macro name \
		      " ((" vname " & " mask name ") != 0)"
}
for (i = 0; i < n_extra_masks; i++) {
	print "#define TARGET_" extra_masks[i] \
	      " ((target_flags & MASK_" extra_masks[i] ") != 0)"
}
print ""

for (i = 0; i < n_opts; i++) {
	opt = opt_args("InverseMask", flags[i])
	if (opt ~ ",") {
		vname = var_name(flags[i])
		macro = "OPTION_"
		mask = "OPTION_MASK_"
		if (vname == "") {
			vname = "target_flags"
			macro = "TARGET_"
			mask = "MASK_"
		}
		print "#define " macro nth_arg(1, opt) \
		      " ((" vname " & " mask nth_arg(0, opt) ") == 0)"
	}
}
print ""

for (i = 0; i < n_langs; i++) {
	macros[i] = "CL_" langs[i]
	gsub( "[^" alnum "_]", "X", macros[i] )
	s = substr("            ", length (macros[i]))
	print "#define " macros[i] s " (1 << " i ")"
    }
print "#define CL_LANG_ALL   ((1 << " n_langs ") - 1)"

print ""
print "enum opt_code"
print "{"
	
for (i = 0; i < n_opts; i++)
	back_chain[i] = "N_OPTS";

enum_value = 0
for (i = 0; i < n_opts; i++) {
	# 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];
		i++;
	}

	len = length (opts[i]);
	enum = opt_enum(opts[i])
	enum_string = enum " = " enum_value ","

	# Aliases do not get enumeration names.
	if ((flag_set_p("Alias.*", flags[i]) \
	     && !flag_set_p("SeparateAlias", flags[i])) \
	    || flag_set_p("Ignore", flags[i])) {
		enum_string = "/* " enum_string " */"
	}

	# 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 (enum_string))

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

	print "  " enum_string s "/* -" opts[i] " */"
	enum_value++
}

print "  N_OPTS,"
print "  OPT_SPECIAL_unknown,"
print "  OPT_SPECIAL_ignore,"
print "  OPT_SPECIAL_program_name,"
print "  OPT_SPECIAL_input_file"
print "};"
print ""
print "#endif /* OPTIONS_H */"
}
Commit	Line	Data
c75c517d SB	1	# Copyright (C) 2003,2004,2005,2006,2007,2008, 2010
c75c517d SB	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
	20	# This Awk script reads in the option records generated from
	21	# opt-gather.awk, combines the flags of duplicate options and generates a
	22	# C header file.
	23	#
	24	# This program uses functions from opt-functions.awk
	25	# Usage: awk -f opt-functions.awk -f opth-gen.awk < inputfile > options.h
	26
	27	BEGIN {
	28	n_opts = 0
	29	n_langs = 0
ab442df7	30	n_target_save = 0
e90afde6	31	n_extra_vars = 0
fe609b0f	32	n_extra_masks = 0
776dc15d KC	33	FS=SUBSEP
	34	}
	35
	36	# Collect the text and flags of each option into an array
	37	{
	38	if ($1 == "Language") {
	39	langs[n_langs] = $2
	40	n_langs++;
	41	}
ab442df7 MM	42	else if ($1 == "TargetSave") {
	43	# Make sure the declarations are put in source order
	44	target_save_decl[n_target_save] = $2
	45	n_target_save++
	46	}
e90afde6 JM	47	else if ($1 == "Variable") {
	48	extra_vars[n_extra_vars] = $2
	49	n_extra_vars++
	50	}
776dc15d	51	else {
fe609b0f EB	52	name = opt_args("Mask", $1)
	53	if (name == "") {
	54	opts[n_opts] = $1
	55	flags[n_opts] = $2
	56	help[n_opts] = $3
	57	n_opts++;
	58	}
	59	else {
	60	extra_masks[n_extra_masks++] = name
	61	}
776dc15d KC	62	}
	63	}
	64
	65	# Dump out an enumeration into a .h file.
	66	# Combine the flags of duplicate options.
	67	END {
14078ff6	68	print "/* This file is auto-generated by opth-gen.awk. */"
776dc15d KC	69	print ""
	70	print "#ifndef OPTIONS_H"
	71	print "#define OPTIONS_H"
	72	print ""
	73
ab442df7 MM	74	have_save = 0;
ab442df7 MM	75
a75bfaa6	76	print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
e3339d0f JM	77	print "#ifndef GENERATOR_FILE"
	78	print "struct gcc_options\n{"
	79	print "#endif"
	80
e90afde6 JM	81	for (i = 0; i < n_extra_vars; i++) {
	82	var = extra_vars[i]
	83	sub(" =.", "", var)
e3339d0f JM	84	orig_var = var
	85	name = var
	86	type = var
	87	sub("^.[ ]", "", name)
	88	sub(" *" name "$", "", type)
	89	var_seen[name] = 1
	90	print "#ifdef GENERATOR_FILE"
	91	print "extern " orig_var ";"
	92	print "#else"
	93	print " " type " x_" name ";"
	94	print "#define " name " global_options.x_" name
	95	print "#endif"
e90afde6 JM	96	}
e90afde6 JM	97
776dc15d	98	for (i = 0; i < n_opts; i++) {
ab442df7 MM	99	if (flag_set_p("Save", flags[i]))
	100	have_save = 1;
	101
776dc15d KC	102	name = var_name(flags[i]);
	103	if (name == "")
	104	continue;
	105
ab442df7 MM	106	if (name in var_seen)
	107	continue;
	108
	109	var_seen[name] = 1;
e3339d0f	110	print "#ifdef GENERATOR_FILE"
55bea00a	111	print "extern " var_type(flags[i]) name ";"
e3339d0f JM	112	print "#else"
	113	print " " var_type(flags[i]) "x_" name ";"
	114	print "#define " name " global_options.x_" name
	115	print "#endif"
55bea00a	116	}
46625112 JM	117	for (i = 0; i < n_opts; i++) {
	118	name = static_var(opts[i], flags[i]);
	119	if (name != "") {
	120	print "#ifndef GENERATOR_FILE"
	121	print " " var_type(flags[i]) "x_" name ";"
	122	print "#define x_" name " do_not_use"
	123	print "#endif"
	124	}
	125	}
e3339d0f JM	126	print "#ifndef GENERATOR_FILE"
	127	print "};"
	128	print "extern struct gcc_options global_options;"
a75bfaa6	129	print "extern const struct gcc_options global_options_init;"
d4d24ba4 JM	130	print "extern struct gcc_options global_options_set;"
d4d24ba4 JM	131	print "#define target_flags_explicit global_options_set.x_target_flags"
e3339d0f	132	print "#endif"
a75bfaa6	133	print "#endif"
55bea00a	134	print ""
776dc15d	135
ab442df7 MM	136	# All of the optimization switches gathered together so they can be saved and restored.
	137	# This will allow attribute((cold)) to turn on space optimization.
	138
	139	# Change the type of normal switches from int to unsigned char to save space.
	140	# Also, order the structure so that pointer fields occur first, then int
	141	# fields, and then char fields to provide the best packing.
	142
e62fe68a	143	print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
ab442df7 MM	144	print ""
ab442df7 MM	145	print "/* Structure to save/restore optimization and target specific options. */";
d1b38208	146	print "struct GTY(()) cl_optimization";
ab442df7 MM	147	print "{";
	148
	149	n_opt_char = 2;
	150	n_opt_short = 0;
	151	n_opt_int = 0;
	152	n_opt_other = 0;
e3339d0f JM	153	var_opt_char[0] = "unsigned char x_optimize";
e3339d0f JM	154	var_opt_char[1] = "unsigned char x_optimize_size";
ab442df7 MM	155
	156	for (i = 0; i < n_opts; i++) {
	157	if (flag_set_p("Optimization", flags[i])) {
	158	name = var_name(flags[i])
	159	if(name == "")
	160	continue;
	161
	162	if(name in var_opt_seen)
	163	continue;
	164
	165	var_opt_seen[name]++;
	166	otype = var_type_struct(flags[i]);
	167	if (otype ~ "^((un)?signed +)?int *$")
e3339d0f	168	var_opt_int[n_opt_int++] = otype "x_" name;
ab442df7 MM	169
ab442df7 MM	170	else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f	171	var_opt_short[n_opt_short++] = otype "x_" name;
ab442df7 MM	172
ab442df7 MM	173	else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f	174	var_opt_char[n_opt_char++] = otype "x_" name;
ab442df7 MM	175
ab442df7 MM	176	else
e3339d0f	177	var_opt_other[n_opt_other++] = otype "x_" name;
ab442df7 MM	178	}
	179	}
	180
	181	for (i = 0; i < n_opt_other; i++) {
	182	print " " var_opt_other[i] ";";
	183	}
	184
	185	for (i = 0; i < n_opt_int; i++) {
	186	print " " var_opt_int[i] ";";
	187	}
	188
	189	for (i = 0; i < n_opt_short; i++) {
	190	print " " var_opt_short[i] ";";
	191	}
	192
	193	for (i = 0; i < n_opt_char; i++) {
	194	print " " var_opt_char[i] ";";
	195	}
	196
	197	print "};";
	198	print "";
	199
	200	# Target and optimization save/restore/print functions.
	201	print "/* Structure to save/restore selected target specific options. */";
d1b38208	202	print "struct GTY(()) cl_target_option";
ab442df7 MM	203	print "{";
	204
	205	n_target_char = 0;
	206	n_target_short = 0;
	207	n_target_int = 0;
	208	n_target_other = 0;
	209
	210	for (i = 0; i < n_target_save; i++) {
e4590d63	211	if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
ab442df7 MM	212	var_target_int[n_target_int++] = target_save_decl[i];
ab442df7 MM	213
e4590d63	214	else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
ab442df7 MM	215	var_target_short[n_target_short++] = target_save_decl[i];
ab442df7 MM	216
e4590d63	217	else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
ab442df7 MM	218	var_target_char[n_target_char++] = target_save_decl[i];
	219
	220	else
	221	var_target_other[n_target_other++] = target_save_decl[i];
	222	}
	223
	224	if (have_save) {
	225	for (i = 0; i < n_opts; i++) {
	226	if (flag_set_p("Save", flags[i])) {
	227	name = var_name(flags[i])
	228	if(name == "")
	229	name = "target_flags";
	230
	231	if(name in var_save_seen)
	232	continue;
	233
	234	var_save_seen[name]++;
	235	otype = var_type_struct(flags[i])
	236	if (otype ~ "^((un)?signed +)?int *$")
e3339d0f	237	var_target_int[n_target_int++] = otype "x_" name;
ab442df7 MM	238
ab442df7 MM	239	else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f	240	var_target_short[n_target_short++] = otype "x_" name;
ab442df7 MM	241
ab442df7 MM	242	else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f	243	var_target_char[n_target_char++] = otype "x_" name;
ab442df7 MM	244
ab442df7 MM	245	else
e3339d0f	246	var_target_other[n_target_other++] = otype "x_" name;
ab442df7 MM	247	}
	248	}
	249	} else {
e3339d0f	250	var_target_int[n_target_int++] = "int x_target_flags";
ab442df7 MM	251	}
	252
	253	for (i = 0; i < n_target_other; i++) {
	254	print " " var_target_other[i] ";";
	255	}
	256
	257	for (i = 0; i < n_target_int; i++) {
	258	print " " var_target_int[i] ";";
	259	}
	260
	261	for (i = 0; i < n_target_short; i++) {
	262	print " " var_target_short[i] ";";
	263	}
	264
	265	for (i = 0; i < n_target_char; i++) {
	266	print " " var_target_char[i] ";";
	267	}
	268
	269	print "};";
	270	print "";
	271	print "";
	272	print "/* Save optimization variables into a structure. */"
46625112	273	print "extern void cl_optimization_save (struct cl_optimization , struct gcc_options );";
ab442df7 MM	274	print "";
ab442df7 MM	275	print "/* Restore optimization variables from a structure. */";
46625112	276	print "extern void cl_optimization_restore (struct gcc_options , struct cl_optimization );";
ab442df7 MM	277	print "";
	278	print "/* Print optimization variables from a structure. */";
	279	print "extern void cl_optimization_print (FILE , int, struct cl_optimization );";
	280	print "";
	281	print "/* Save selected option variables into a structure. */"
46625112	282	print "extern void cl_target_option_save (struct cl_target_option , struct gcc_options );";
ab442df7 MM	283	print "";
ab442df7 MM	284	print "/* Restore selected option variables from a structure. */"
46625112	285	print "extern void cl_target_option_restore (struct gcc_options , struct cl_target_option );";
ab442df7 MM	286	print "";
	287	print "/* Print target option variables from a structure. */";
	288	print "extern void cl_target_option_print (FILE , int, struct cl_target_option );";
	289	print "#endif";
	290	print "";
	291
75685792 RS	292	for (i = 0; i < n_opts; i++) {
75685792 RS	293	name = opt_args("Mask", flags[i])
f7f655c7 DD	294	vname = var_name(flags[i])
	295	mask = "MASK_"
	296	if (vname != "") {
	297	mask = "OPTION_MASK_"
	298	}
f9b4c1db	299	if (name != "" && !flag_set_p("MaskExists", flags[i]))
f7f655c7	300	print "#define " mask name " (1 << " masknum[vname]++ ")"
75685792	301	}
fe609b0f	302	for (i = 0; i < n_extra_masks; i++) {
f7f655c7 DD	303	print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
	304	}
	305
	306	for (var in masknum) {
	307	if (masknum[var] > 31) {
	308	if (var == "")
	309	print "#error too many target masks"
	310	else
	311	print "#error too many masks for " var
	312	}
fe609b0f	313	}
75685792 RS	314	print ""
	315
	316	for (i = 0; i < n_opts; i++) {
	317	name = opt_args("Mask", flags[i])
f7f655c7 DD	318	vname = var_name(flags[i])
	319	macro = "OPTION_"
	320	mask = "OPTION_MASK_"
	321	if (vname == "") {
	322	vname = "target_flags"
	323	macro = "TARGET_"
	324	mask = "MASK_"
	325	}
f9b4c1db	326	if (name != "" && !flag_set_p("MaskExists", flags[i]))
f7f655c7 DD	327	print "#define " macro name \
f7f655c7 DD	328	" ((" vname " & " mask name ") != 0)"
75685792	329	}
fe609b0f EB	330	for (i = 0; i < n_extra_masks; i++) {
	331	print "#define TARGET_" extra_masks[i] \
	332	" ((target_flags & MASK_" extra_masks[i] ") != 0)"
	333	}
75685792 RS	334	print ""
	335
	336	for (i = 0; i < n_opts; i++) {
	337	opt = opt_args("InverseMask", flags[i])
7bd85ce0 JM	338	if (opt ~ ",") {
	339	vname = var_name(flags[i])
	340	macro = "OPTION_"
	341	mask = "OPTION_MASK_"
	342	if (vname == "") {
	343	vname = "target_flags"
	344	macro = "TARGET_"
	345	mask = "MASK_"
	346	}
	347	print "#define " macro nth_arg(1, opt) \
	348	" ((" vname " & " mask nth_arg(0, opt) ") == 0)"
	349	}
75685792 RS	350	}
75685792 RS	351	print ""
776dc15d KC	352
	353	for (i = 0; i < n_langs; i++) {
	354	macros[i] = "CL_" langs[i]
e4590d63	355	gsub( "[^" alnum "_]", "X", macros[i] )
776dc15d KC	356	s = substr(" ", length (macros[i]))
	357	print "#define " macros[i] s " (1 << " i ")"
	358	}
1f1d5130	359	print "#define CL_LANG_ALL ((1 << " n_langs ") - 1)"
776dc15d KC	360
	361	print ""
	362	print "enum opt_code"
	363	print "{"
	364
	365	for (i = 0; i < n_opts; i++)
	366	back_chain[i] = "N_OPTS";
	367
5de8299c	368	enum_value = 0
64fbae21 RS	369	for (i = 0; i < n_opts; i++) {
	370	# Combine the flags of identical switches. Switches
	371	# appear many times if they are handled by many front
	372	# ends, for example.
	373	while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
	374	flags[i + 1] = flags[i] " " flags[i + 1];
	375	i++;
	376	}
776dc15d KC	377
776dc15d KC	378	len = length (opts[i]);
9db94baa	379	enum = opt_enum(opts[i])
5de8299c JM	380	enum_string = enum " = " enum_value ","
	381
	382	# Aliases do not get enumeration names.
d1583032 JM	383	if ((flag_set_p("Alias.*", flags[i]) \
	384	&& !flag_set_p("SeparateAlias", flags[i])) \
	385	\|\| flag_set_p("Ignore", flags[i])) {
5de8299c JM	386	enum_string = "/* " enum_string " */"
5de8299c JM	387	}
776dc15d KC	388
	389	# If this switch takes joined arguments, back-chain all
	390	# subsequent switches to it for which it is a prefix. If
	391	# a later switch S is a longer prefix of a switch T, T
	392	# will be back-chained to S in a later iteration of this
	393	# for() loop, which is what we want.
a56a0779	394	if (flag_set_p("Joined.*", flags[i])) {
776dc15d KC	395	for (j = i + 1; j < n_opts; j++) {
	396	if (substr (opts[j], 1, len) != opts[i])
	397	break;
	398	back_chain[j] = enum;
	399	}
	400	}
	401
5de8299c JM	402	s = substr(" ",
5de8299c JM	403	length (enum_string))
776dc15d KC	404
	405	if (help[i] == "")
	406	hlp = "0"
	407	else
	408	hlp = "N_(\"" help[i] "\")";
	409
5de8299c JM	410	print " " enum_string s "/* -" opts[i] " */"
5de8299c JM	411	enum_value++
776dc15d KC	412	}
776dc15d KC	413
6e2f1956 JM	414	print " N_OPTS,"
6e2f1956 JM	415	print " OPT_SPECIAL_unknown,"
2d2bd949	416	print " OPT_SPECIAL_ignore,"
6e2f1956 JM	417	print " OPT_SPECIAL_program_name,"
6e2f1956 JM	418	print " OPT_SPECIAL_input_file"
776dc15d KC	419	print "};"
	420	print ""
	421	print "#endif /* OPTIONS_H */"
	422	}