-# Copyright (C) 2003,2004 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
+# 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 2, or (at your option) any
+# 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,
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# 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 duplicat options and generates a
+# opt-gather.awk, combines the flags of duplicate options and generates a
# C file.
#
-# This program uses functions from opt-functions.awk
+
+# This program uses functions from opt-functions.awk and code from
+# opt-read.awk.
#
-# Usage: awk -f opt-functions.awk -f optc-gen.awk \
+# Usage: awk -f opt-functions.awk -f opt-read.awk -f optc-gen.awk \
# [-v header_name=header.h] < inputfile > options.c
-BEGIN {
- n_opts = 0
- n_langs = 0
- quote = "\042"
- comma = ","
- FS=SUBSEP
- # Default the name of header created from opth-gen.awk to options.h
- if (header_name == "") header_name="options.h"
-}
-
-# Collect the text and flags of each option into an array
- {
- if ($1 == "Language") {
- langs[n_langs] = $2
- n_langs++;
- }
- else {
- opts[n_opts] = $1
- flags[n_opts] = $2
- help[n_opts] = $3
- n_opts++;
- }
- }
-
# Dump that array of options into a C file.
END {
-print "/* This file is auto-generated by opts.sh. */"
+print "/* This file is auto-generated by optc-gen.awk. */"
print ""
-print "#include <intl.h>"
-print "#include " quote header_name quote
+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;
- if (flag_set_p("VarExists", flags[i]))
+ 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;
- init = opt_args("Init", flags[i])
- if (init != "")
- init = " = " init;
+ if (name in var_seen)
+ continue;
- printf ("/* Set by -%s.\n %s */\nint %s%s;\n\n",
- opts[i], help[i], name,init)
-}
+ 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_" langs[i]
- gsub( "[^A-Za-z0-9_]", "X", macros[i] )
+ gsub( "[^" alnum "_]", "X", macros[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{"
-for (i = 0; i < n_opts; i++)
+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 "warning: multiple different help strings for " \
+ opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
+ | "cat 1>&2"
+ i++;
+ back_chain[i] = "N_OPTS";
+ indices[opts[i]] = j;
+ }
+ j++;
+}
- 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++;
- }
+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])
- len = length (opts[i]);
- enum = "OPT_" opts[i]
- if (opts[i] == "finline-limit=")
- enum = enum "eq"
- gsub ("[^A-Za-z0-9]", "_", enum)
-
- # 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;
- }
+ # 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 = ""
- s = substr(" ", length (opts[i]))
- if (i + 1 == n_opts)
- comma = ""
+ if (help[i] == "")
+ hlp = "0"
+ else
+ hlp = quote help[i] quote;
- if (help[i] == "")
- hlp = "0"
+ 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
- hlp = quote help[i] quote;
+ 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"
- printf(" { %c-%s%c,\n %s,\n %s, %u, %s, %s, %s }%s\n",
- quote, opts[i], quote, hlp, back_chain[i], len,
- switch_flags(flags[i]),
- var_ref(flags[i]), var_set(flags[i]), comma)
+ 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 "};"
+
}
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