summaryrefslogtreecommitdiff
path: root/gcc/optc-gen.awk
diff options
context:
space:
mode:
authorSam Thursfield <sam.thursfield@codethink.co.uk>2017-11-13 16:28:05 +0000
committerSam Thursfield <sam.thursfield@codethink.co.uk>2017-11-13 16:29:09 +0000
commit03ac50856c9fc8c96b7a17239ee40a10397750a7 (patch)
treea648c6d3428e4757e003f6ed1748adb9613065db /gcc/optc-gen.awk
parent34efdaf078b01a7387007c4e6bde6db86384c4b7 (diff)
downloadgcc-tarball-03ac50856c9fc8c96b7a17239ee40a10397750a7.tar.gz
gcc 7.2.0
This is imported manually due to a bug in the tarball import script. See the baserock-dev mailing list archives (November 2017) for a more detailed explaination of the issue.
Diffstat (limited to 'gcc/optc-gen.awk')
-rw-r--r--gcc/optc-gen.awk574
1 files changed, 0 insertions, 574 deletions
diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk
deleted file mode 100644
index 3b9126ccf9..0000000000
--- a/gcc/optc-gen.awk
+++ /dev/null
@@ -1,574 +0,0 @@
-# Copyright (C) 2003-2017 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 {
-
-
-# Combine the flags of identical switches. Switches
-# appear many times if they are handled by many front
-# ends, for example.
-for (i = 0; i < n_opts; i++) {
- merged_flags[i] = flags[i]
-}
-for (i = 0; i < n_opts; i++) {
- while(i + 1 != n_opts && opts[i] == opts[i + 1] ) {
- merged_flags[i + 1] = merged_flags[i] " " merged_flags[i + 1];
- i++;
- }
-}
-
-# Record 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 != "") {
- logical_and = index(enabledby_arg, " && ");
- if (logical_and != 0) {
- # EnabledBy(arg1 && arg2)
- split_sep = " && ";
- } else {
- # EnabledBy(arg) or EnabledBy(arg1 || arg2 || arg3)
- split_sep = " \\|\\| ";
- }
- n_enabledby_names = split(enabledby_arg, enabledby_names, split_sep);
- if (logical_and != 0 && n_enabledby_names > 2) {
- print "#error " opts[i] " EnabledBy(Wfoo && Wbar && Wbaz) currently not 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 " opts[i] " Enabledby(" enabledby_name "), unknown option '" enabledby_name "'"
- } else if (!flag_set_p("Common", merged_flags[enabledby_index])) {
- print "#error " opts[i] " Enabledby(" enabledby_name "), '" \
- enabledby_name "' must have flag 'Common'" \
- " to use Enabledby(), otherwise use LangEnabledBy()"
- } else {
- condition = "";
- if (logical_and != 0) {
- 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"
- if (flag_set_p("Enum.*", flags[i])) {
- if (!flag_set_p("RejectNegative", flags[i]) \
- && opts[i] ~ "^[Wfm]")
- print "#error Enum allowing negative form"
- }
- } 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] != "") {
- value = "(" thisenableif[j] ")"
- } else {
- value = "value"
- }
- print " if (" condition ")"
- print " handle_generated_option (opts, opts_set,"
- print " " opt_enum(thisenable[j]) ", NULL, " value ","
- print " lang_mask, kind, loc, handlers, true, 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, true, dc);"
- } else {
- print "#error " thisenable_opt " does not have a Var() flag"
- }
- }
- print " break;\n"
- }
- print " default: "
- print " break; "
- print " } "
- print " return true; "
- print "} "
-}
-
-#Handle CPP()
-print "\n"
-print "#include " quote "cpplib.h" quote;
-print "void"
-print "cpp_handle_option_auto (const struct gcc_options * opts, "
-print " size_t scode, struct cpp_options * cpp_opts)"
-print "{ "
-print " enum opt_code code = (enum opt_code) scode; "
-print " "
-print " switch (code) "
-print " { "
-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++;
- }
-
- cpp_option = nth_arg(0, opt_args("CPP", flags[i]));
- if (cpp_option != "") {
- opt_var_name = var_name(flags[i]);
- init = opt_args("Init", flags[i])
- if (opt_var_name != "" && init != "") {
- print " case " opt_enum(opts[i]) ":"
- print " cpp_opts->" cpp_option " = opts->x_" opt_var_name ";"
- print " break;"
- } else if (opt_var_name == "" && init == "") {
- print "#error CPP() requires setting Init() and Var() for " opts[i]
- } else if (opt_var_name != "") {
- print "#error CPP() requires setting Init() for " opts[i]
- } else {
- print "#error CPP() requires setting Var() for " opts[i]
- }
- }
-}
-print " default: "
-print " break; "
-print " } "
-print "}\n"
-print "void"
-print "init_global_opts_from_cpp(struct gcc_options * opts, "
-print " const struct cpp_options * cpp_opts)"
-print "{ "
-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++;
- }
- cpp_option = nth_arg(0, opt_args("CPP", flags[i]));
- opt_var_name = var_name(flags[i]);
- if (cpp_option != "" && opt_var_name != "") {
- print " opts->x_" opt_var_name " = cpp_opts->" cpp_option ";"
- }
-}
-print "} "
-
-}
-