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+# Copyright (C) 2003,2004 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
+# 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; if not, write to the Free Software
+# Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# This Awk script reads in the option records generated from
+# opt-gather.awk, combines the flags of duplicat options and generates a
+# C file.
+#
+# This program uses functions from opt-functions.awk
+#
+# Usage: awk -f opt-functions.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 {
+ name = opt_args("Mask", $1)
+ if (name == "") {
+ opts[n_opts] = $1
+ flags[n_opts] = $2
+ help[n_opts] = $3
+ n_opts++;
+ }
+ }
+ }
+
+# Dump that array of options into a C file.
+END {
+# APPLE LOCAL begin optimization pragmas 3124235/3420242
+print "/* This file is auto-generated by optc-gen.awk. */"
+print ""
+print "#include " quote "config.h" quote
+print "#include " quote "system.h" quote
+print "#include " quote "coretypes.h" quote
+print "#include " quote "hwint.h" quote
+# APPLE LOCAL end optimization pragmas 3124235/3420242
+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 ""
+print "#ifdef GCC_DRIVER"
+print "int target_flags;"
+print "#endif /* GCC_DRIVER */"
+print ""
+
+for (i = 0; i < n_opts; i++) {
+ name = var_name(flags[i]);
+ if (name == "")
+ continue;
+
+ if (flag_set_p("VarExists", flags[i])) {
+ # Need it for the gcc driver.
+ if (name in var_seen)
+ continue;
+ # APPLE LOCAL optimization pragmas 3124235/3420242
+ init = " = 0"
+ init = ""
+ gcc_driver = 1
+ }
+ else {
+ init = opt_args("Init", flags[i])
+ if (init != "")
+ init = " = " init;
+ else if (name in var_seen)
+ continue;
+ # APPLE LOCAL begin optimization pragmas 3124235/3420242
+ else
+ init = " = 0";
+ # APPLE LOCAL end optimization pragmas 3124235/3420242
+ gcc_driver = 0
+ }
+# APPLE LOCAL begin optimization pragmas 3124235/3420242
+ if (flag_set_p("PerFunc", flags[i]))
+ continue;
+# APPLE LOCAL end optimization pragmas 3124235/3420242
+
+ if (gcc_driver == 1)
+ print "#ifdef GCC_DRIVER"
+ print "/* Set by -" opts[i] "."
+ print " " help[i] " */"
+ print var_type(flags[i]) name init ";"
+ if (gcc_driver == 1)
+ print "#endif /* GCC_DRIVER */"
+ print ""
+
+ var_seen[name] = 1;
+}
+
+# APPLE LOCAL begin optimization pragmas 3124235/3420242
+print "struct cl_perfunc_opts cl_pf_opts = {\n"
+
+# Per-function bitfield initializers.
+
+for (i = 0; i < n_opts; i++) {
+ name = var_name(flags[i]);
+ if (name == "")
+ continue;
+
+ if (flag_set_p("VarExists", flags[i]))
+ continue;
+ if (!flag_set_p("PerFunc", flags[i]))
+ continue;
+ if (flag_set_p("VarUint", flags[i]))
+ continue;
+
+ if (flags[i] ~ "Init\\(")
+ {
+ init = flags[i];
+ sub(".*Init\\(","",init);
+ sub("\\).*","",init);
+ }
+ else
+ init = "0";
+
+ print init ", /* fld_" name " */ "
+}
+
+print "0, /* fld_optimize_size */"
+
+# Padding, see comments in opth-gen.awk.
+print "0, /* padding */"
+
+# Per-function non-bitfield initializers.
+
+for (i = 0; i < n_opts; i++) {
+ name = var_name(flags[i]);
+ if (name == "")
+ continue;
+
+ if (flag_set_p("VarExists", flags[i]))
+ continue;
+ if (!flag_set_p("PerFunc", flags[i]))
+ continue;
+ if (!flag_set_p("VarUint", flags[i]))
+ continue;
+
+ if (flags[i] ~ "Init\\(")
+ {
+ init = flags[i];
+ sub(".*Init\\(","",init);
+ sub("\\).*","",init);
+ }
+ else
+ init = "0";
+
+ print init ", /* fld_" name " */ "
+}
+
+print "0 /* fld_optimize */"
+print "};"
+
+print "struct cl_perfunc_opts cl_pf_opts_raw;"
+print "struct cl_perfunc_opts cl_pf_opts_cooked;"
+# APPLE LOCAL end optimization pragmas 3124235/3420242
+
+print ""
+print "/* Local state variables. */"
+for (i = 0; i < n_opts; i++) {
+ name = static_var(opts[i], flags[i]);
+ if (name != "")
+ print "static " var_type(flags[i]) name ";"
+}
+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] )
+ s = substr(" ", length (macros[i]))
+ print " " quote langs[i] quote ","
+ }
+
+print " 0\n};\n"
+print "const unsigned int cl_options_count = N_OPTS;\n"
+
+# APPLE LOCAL begin optimization pragmas 3124235/3420242
+# Access functions for per-function bitfields.
+
+for (i = 0; i < n_opts; i++) {
+ name = var_name(flags[i]);
+ if (name == "")
+ continue;
+ if (flag_set_p("VarExists", flags[i]))
+ continue;
+ if (!flag_set_p("PerFunc", flags[i]))
+ continue;
+ if (!flag_set_p("VarUint", flags[i])) {
+ print "int cl_opt_access_func_" name " (int value, unsigned int rw)"
+ print "{"
+ print " if (rw == 1)"
+ print " {"
+ printf (" cl_pf_opts.fld_%s = value;\n", name)
+ print " }"
+ printf (" return cl_pf_opts.fld_%s;\n", name)
+ print "}"
+ }
+}
+# APPLE LOCAL end optimization pragmas 3124235/3420242
+
+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];
+ 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++;
+ }
+
+ 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;
+ }
+ }
+
+ s = substr(" ", length (opts[i]))
+ if (i + 1 == n_opts)
+ comma = ""
+
+ if (help[i] == "")
+ hlp = "0"
+ else
+ hlp = quote help[i] quote;
+
+ 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;
+ }
+ }
+ printf(" { %c-%s%c,\n %s,\n %s, %u, %d,\n",
+ quote, opts[i], quote, hlp, back_chain[i], len, idx)
+ condition = opt_args("Condition", flags[i])
+ cl_flags = switch_flags(flags[i])
+ if (condition != "")
+ printf("#if %s\n" \
+ " %s,\n" \
+ "#else\n" \
+ " CL_DISABLED,\n" \
+ "#endif\n",
+ condition, cl_flags, cl_flags)
+ else
+ printf(" %s,\n", cl_flags)
+ # APPLE LOCAL begin optimization pragmas 3124235/3420242
+ printf(" %s, %s, %s }%s\n", var_ref(opts[i], flags[i]),
+ access_ref(flags[i]),
+ # APPLE LOCAL end optimization pragmas 3124235/3420242
+ var_set(flags[i]), comma)
+}
+
+print "};"
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 09:07:40 +0000