51b41d5422
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# ========================
#!/bin/sh
# Find scripts
find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i '
# Remove Mbed TLS declaration if it occurs before the copyright line
1,/Copyright.*Arm/I {
/This file is part of/,$ {
/Copyright.*Arm/I! d
}
}
# Convert non-standard header in scripts/abi_check.py to the format used in the other scripts
/"""/,/"""/ {
# Cut copyright declaration
/Copyright.*Arm/I {
h
N
d
}
# Paste copyright declaration
/"""/ {
x
/./ {
s/^/# / # Add #
x # Replace orignal buffer with Copyright declaration
p # Print original buffer, insert newline
i\
s/.*// # Clear original buffer
}
x
}
}
/Copyright.*Arm/I {
# Print copyright declaration
p
# Read the two lines immediately following the copyright declaration
N
N
# Insert Apache header if it is missing
/SPDX/! {
i\
# SPDX-License-Identifier: Apache-2.0\
#\
# Licensed under the Apache License, Version 2.0 (the "License"); you may\
# not use this file except in compliance with the License.\
# You may obtain a copy of the License at\
#\
# http://www.apache.org/licenses/LICENSE-2.0\
#\
# Unless required by applicable law or agreed to in writing, software\
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT\
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\
# See the License for the specific language governing permissions and\
# limitations under the License.
# Insert Mbed TLS declaration if it is missing
/This file is part of/! i\
#\
# This file is part of Mbed TLS (https://tls.mbed.org)
}
# Clear copyright declaration from buffer
D
}
'
# ========================
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
308 lines
9.6 KiB
Perl
Executable file
308 lines
9.6 KiB
Perl
Executable file
#!/usr/bin/env perl
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#
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# Copyright (c) 2014-2016, ARM Limited, All Rights Reserved
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This file is part of Mbed TLS (https://tls.mbed.org)
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#
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# Purpose
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#
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# Comments and uncomments #define lines in the given header file and optionally
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# sets their value or can get the value. This is to provide scripting control of
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# what preprocessor symbols, and therefore what build time configuration flags
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# are set in the 'config.h' file.
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#
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# Usage: config.pl [-f <file> | --file <file>] [-o | --force]
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# [set <symbol> <value> | unset <symbol> | get <symbol> |
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# full | realfull]
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#
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# Full usage description provided below.
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#
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# The following options are disabled instead of enabled with "full".
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#
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# * Options that require additional build dependencies or unusual hardware.
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# * Options that make testing less effective.
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# * Options that are incompatible with other options, or more generally that
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# interact with other parts of the code in such a way that a bulk enabling
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# is not a good way to test them.
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# * Options that remove features.
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#
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# The baremetal configuration excludes options that require a library or
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# operating system feature that is typically not present on bare metal
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# systems. Features that are excluded from "full" won't be in "baremetal"
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# either.
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use warnings;
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use strict;
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my $config_file = "include/mbedtls/config.h";
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my $usage = <<EOU;
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$0 [-f <file> | --file <file>] [-o | --force]
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[set <symbol> <value> | unset <symbol> | get <symbol> |
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full | realfull | baremetal]
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Commands
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set <symbol> [<value>] - Uncomments or adds a #define for the <symbol> to
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the configuration file, and optionally making it
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of <value>.
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If the symbol isn't present in the file an error
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is returned.
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unset <symbol> - Comments out the #define for the given symbol if
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present in the configuration file.
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get <symbol> - Finds the #define for the given symbol, returning
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an exitcode of 0 if the symbol is found, and 1 if
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not. The value of the symbol is output if one is
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specified in the configuration file.
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full - Uncomments all #define's in the configuration file
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excluding some reserved symbols, until the
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'Module configuration options' section
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realfull - Uncomments all #define's with no exclusions
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baremetal - Sets full configuration suitable for baremetal build.
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Options
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-f | --file <filename> - The file or file path for the configuration file
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to edit. When omitted, the following default is
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used:
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$config_file
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-o | --force - If the symbol isn't present in the configuration
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file when setting its value, a #define is
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appended to the end of the file.
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EOU
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my @excluded = qw(
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MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
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MBEDTLS_DEPRECATED_REMOVED
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MBEDTLS_DEPRECATED_WARNING
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MBEDTLS_HAVE_SSE2
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MBEDTLS_MEMORY_BACKTRACE
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MBEDTLS_MEMORY_BUFFER_ALLOC_C
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MBEDTLS_MEMORY_DEBUG
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MBEDTLS_NO_64BIT_MULTIPLICATION
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MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
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MBEDTLS_NO_PLATFORM_ENTROPY
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MBEDTLS_NO_UDBL_DIVISION
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MBEDTLS_PKCS11_C
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MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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MBEDTLS_REMOVE_3DES_CIPHERSUITES
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MBEDTLS_REMOVE_ARC4_CIPHERSUITES
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MBEDTLS_RSA_NO_CRT
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MBEDTLS_SSL_HW_RECORD_ACCEL
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MBEDTLS_TEST_NULL_ENTROPY
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MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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MBEDTLS_ZLIB_SUPPORT
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_ALT\s*$
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);
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# Things that should be disabled in "baremetal"
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my @excluded_baremetal = qw(
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MBEDTLS_ENTROPY_NV_SEED
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MBEDTLS_FS_IO
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MBEDTLS_HAVEGE_C
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MBEDTLS_HAVE_TIME
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MBEDTLS_HAVE_TIME_DATE
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MBEDTLS_MEMORY_BACKTRACE
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MBEDTLS_MEMORY_BUFFER_ALLOC_C
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MBEDTLS_NET_C
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MBEDTLS_PLATFORM_FPRINTF_ALT
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MBEDTLS_PLATFORM_NV_SEED_ALT
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MBEDTLS_PLATFORM_TIME_ALT
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MBEDTLS_THREADING_C
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MBEDTLS_THREADING_PTHREAD
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MBEDTLS_TIMING_C
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);
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# Things that should be enabled in "full" even if they match @excluded.
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# Platform ALTs enable global variables that allow configuring the behavior
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# but default to the default behavior, except for PLATFORM_SETUP_TEARDOWN_ALT
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# which requires the application to provide relevant functions like
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# non-platform ALTs.
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my @non_excluded = qw(
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PLATFORM_(?!SETUP_TEARDOWN_)[A-Z_0-9]+_ALT
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);
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# Things that should be enabled in "baremetal"
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my @non_excluded_baremetal = qw(
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MBEDTLS_NO_PLATFORM_ENTROPY
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);
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# Process the command line arguments
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my $force_option = 0;
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my ($arg, $name, $value, $action);
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while ($arg = shift) {
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# Check if the argument is an option
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if ($arg eq "-f" || $arg eq "--file") {
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$config_file = shift;
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-f $config_file or die "No such file: $config_file\n";
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}
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elsif ($arg eq "-o" || $arg eq "--force") {
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$force_option = 1;
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}
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else
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{
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# ...else assume it's a command
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$action = $arg;
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if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
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# No additional parameters
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die $usage if @ARGV;
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}
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elsif ($action eq "unset" || $action eq "get") {
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die $usage unless @ARGV;
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$name = shift;
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}
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elsif ($action eq "set") {
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die $usage unless @ARGV;
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$name = shift;
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$value = shift if @ARGV;
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}
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else {
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die "Command '$action' not recognised.\n\n".$usage;
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}
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}
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}
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# If no command was specified, exit...
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if ( not defined($action) ){ die $usage; }
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# Check the config file is present
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if (! -f $config_file) {
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chdir '..' or die;
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# Confirm this is the project root directory and try again
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if ( !(-d 'scripts' && -d 'include' && -d 'library' && -f $config_file) ) {
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die "If no file specified, must be run from the project root or scripts directory.\n";
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}
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}
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# Now read the file and process the contents
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open my $config_read, '<', $config_file or die "read $config_file: $!\n";
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my @config_lines = <$config_read>;
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close $config_read;
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# Add required baremetal symbols to the list that is included.
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if ( $action eq "baremetal" ) {
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@non_excluded = ( @non_excluded, @non_excluded_baremetal );
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}
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my ($exclude_re, $no_exclude_re, $exclude_baremetal_re);
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if ($action eq "realfull") {
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$exclude_re = qr/^$/;
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$no_exclude_re = qr/./;
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} else {
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$exclude_re = join '|', @excluded;
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$no_exclude_re = join '|', @non_excluded;
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}
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if ( $action eq "baremetal" ) {
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$exclude_baremetal_re = join '|', @excluded_baremetal;
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}
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my $config_write = undef;
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if ($action ne "get") {
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open $config_write, '>', $config_file or die "write $config_file: $!\n";
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}
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my $done;
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for my $line (@config_lines) {
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if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
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if ($line =~ /name SECTION: Module configuration options/) {
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$done = 1;
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}
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if (!$done && $line =~ m!^//\s?#define! &&
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( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
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( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) {
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$line =~ s!^//\s?!!;
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}
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if (!$done && $line =~ m!^\s?#define! &&
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! ( ( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
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( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) ) {
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$line =~ s!^!//!;
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}
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} elsif ($action eq "unset") {
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if (!$done && $line =~ /^\s*#define\s*$name\b/) {
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$line = '//' . $line;
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$done = 1;
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}
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} elsif (!$done && $action eq "set") {
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if ($line =~ m!^(?://)?\s*#define\s*$name\b!) {
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$line = "#define $name";
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$line .= " $value" if defined $value && $value ne "";
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$line .= "\n";
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$done = 1;
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}
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} elsif (!$done && $action eq "get") {
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if ($line =~ /^\s*#define\s*$name(?:\s+(.*?))\s*(?:$|\/\*|\/\/)/) {
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$value = $1;
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$done = 1;
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}
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}
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if (defined $config_write) {
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print $config_write $line or die "write $config_file: $!\n";
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}
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}
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# Did the set command work?
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if ($action eq "set" && $force_option && !$done) {
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# If the force option was set, append the symbol to the end of the file
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my $line = "#define $name";
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$line .= " $value" if defined $value && $value ne "";
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$line .= "\n";
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$done = 1;
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print $config_write $line or die "write $config_file: $!\n";
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}
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if (defined $config_write) {
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close $config_write or die "close $config_file: $!\n";
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}
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if ($action eq "get") {
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if ($done) {
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if ($value ne '') {
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print "$value\n";
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}
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exit 0;
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} else {
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# If the symbol was not found, return an error
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exit 1;
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}
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}
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if ($action eq "full" && !$done) {
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die "Configuration section was not found in $config_file\n";
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}
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if ($action ne "full" && $action ne "unset" && !$done) {
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die "A #define for the symbol $name was not found in $config_file\n";
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}
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__END__
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