mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-24 16:35:38 +00:00
44bfbe3b95
As a result, the copyright of contributors other than Arm is now
acknowledged, and the years of publishing are no longer tracked in the
source files.
Also remove the now-redundant lines declaring that the files are part of
MbedTLS.
This commit was generated using the following script:
# ========================
#!/bin/sh
# Find files
find '(' -path './.git' -o -path './3rdparty' ')' -prune -o -type f -print | xargs sed -bi '
# Replace copyright attribution line
s/Copyright.*Arm.*/Copyright The Mbed TLS Contributors/I
# Remove redundant declaration and the preceding line
$!N
/This file is part of Mbed TLS/Id
P
D
'
# ========================
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
448 lines
13 KiB
Perl
Executable file
448 lines
13 KiB
Perl
Executable file
#!/usr/bin/env perl
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# generate_code.pl
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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#
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# This file is provided under the Apache License 2.0, or the
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# GNU General Public License v2.0 or later.
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#
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# **********
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# Apache License 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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# **********
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#
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# **********
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# GNU General Public License v2.0 or later:
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# **********
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#
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# Purpose
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#
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# Generates the test suite code given inputs of the test suite directory that
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# contain the test suites, and the test suite file names for the test code and
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# test data.
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#
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# Usage: generate_code.pl <suite dir> <code file> <data file> [main code file]
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#
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# Structure of files
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#
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# - main code file - 'main_test.function'
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# Template file that contains the main() function for the test suite,
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# test dispatch code as well as support functions. It contains the
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# following symbols which are substituted by this script during
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# processing:
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# TESTCASE_FILENAME
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# TESTCODE_FILENAME
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# SUITE_PRE_DEP
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# MAPPING_CODE
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# FUNCTION CODE
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# SUITE_POST_DEP
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# DEP_CHECK_CODE
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# DISPATCH_FUNCTION
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# !LINE_NO!
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#
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# - common helper code file - 'helpers.function'
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# Common helper functions
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#
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# - test suite code file - file name in the form 'test_suite_xxx.function'
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# Code file that contains the actual test cases. The file contains a
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# series of code sequences delimited by the following:
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# BEGIN_HEADER / END_HEADER - list of headers files
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# BEGIN_SUITE_HELPERS / END_SUITE_HELPERS - helper functions common to
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# the test suite
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# BEGIN_CASE / END_CASE - the test cases in the test suite. Each test
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# case contains at least one function that is used to create the
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# dispatch code.
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#
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# - test data file - file name in the form 'test_suite_xxxx.data'
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# The test case parameters to to be used in execution of the test. The
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# file name is used to replace the symbol 'TESTCASE_FILENAME' in the main
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# code file above.
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#
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# A test data file consists of a sequence of paragraphs separated by
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# a single empty line. Line breaks may be in Unix (LF) or Windows (CRLF)
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# format. Lines starting with the character '#' are ignored
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# (the parser behaves as if they were not present).
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#
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# Each paragraph describes one test case and must consist of: (1) one
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# line which is the test case name; (2) an optional line starting with
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# the 11-character prefix "depends_on:"; (3) a line containing the test
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# function to execute and its parameters.
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#
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# A depends_on: line consists of a list of compile-time options
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# separated by the character ':', with no whitespace. The test case
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# is executed only if this compilation option is enabled in config.h.
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#
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# The last line of each paragraph contains a test function name and
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# a list of parameters separated by the character ':'. Running the
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# test case calls this function with the specified parameters. Each
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# parameter may either be an integer written in decimal or hexadecimal,
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# or a string surrounded by double quotes which may not contain the
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# ':' character.
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#
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use strict;
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my $suite_dir = shift or die "Missing suite directory";
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my $suite_name = shift or die "Missing suite name";
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my $data_name = shift or die "Missing data name";
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my $test_main_file = do { my $arg = shift; defined($arg) ? $arg : $suite_dir."/main_test.function" };
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my $test_file = $data_name.".c";
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my $test_common_helper_file = $suite_dir."/helpers.function";
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my $test_case_file = $suite_dir."/".$suite_name.".function";
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my $test_case_data = $suite_dir."/".$data_name.".data";
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my $line_separator = $/;
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undef $/;
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#
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# Open and read in the input files
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#
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open(TEST_HELPERS, "$test_common_helper_file") or die "Opening test helpers
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'$test_common_helper_file': $!";
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my $test_common_helpers = <TEST_HELPERS>;
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close(TEST_HELPERS);
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open(TEST_MAIN, "$test_main_file") or die "Opening test main '$test_main_file': $!";
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my @test_main_lines = split/^/, <TEST_MAIN>;
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my $test_main;
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my $index = 2;
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for my $line (@test_main_lines) {
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$line =~ s/!LINE_NO!/$index/;
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$test_main = $test_main.$line;
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$index++;
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}
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close(TEST_MAIN);
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open(TEST_CASES, "$test_case_file") or die "Opening test cases '$test_case_file': $!";
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my @test_cases_lines = split/^/, <TEST_CASES>;
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my $test_cases;
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my $index = 2;
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for my $line (@test_cases_lines) {
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if ($line =~ /^\/\* BEGIN_SUITE_HELPERS .*\*\//)
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{
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$line = $line."#line $index \"$test_case_file\"\n";
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}
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if ($line =~ /^\/\* BEGIN_CASE .*\*\//)
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{
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$line = $line."#line $index \"$test_case_file\"\n";
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}
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$line =~ s/!LINE_NO!/$index/;
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$test_cases = $test_cases.$line;
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$index++;
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}
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close(TEST_CASES);
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open(TEST_DATA, "$test_case_data") or die "Opening test data '$test_case_data': $!";
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my $test_data = <TEST_DATA>;
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close(TEST_DATA);
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#
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# Find the headers, dependencies, and suites in the test cases file
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#
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my ( $suite_header ) = $test_cases =~ /\/\* BEGIN_HEADER \*\/\n(.*?)\n\/\* END_HEADER \*\//s;
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my ( $suite_defines ) = $test_cases =~ /\/\* BEGIN_DEPENDENCIES\n \* (.*?)\n \* END_DEPENDENCIES/s;
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my ( $suite_helpers ) = $test_cases =~ /\/\* BEGIN_SUITE_HELPERS \*\/\n(.*?)\n\/\* END_SUITE_HELPERS \*\//s;
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my $requirements;
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if ($suite_defines =~ /^depends_on:/)
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{
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( $requirements ) = $suite_defines =~ /^depends_on:(.*)$/;
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}
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my @var_req_arr = split(/:/, $requirements);
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my $suite_pre_code;
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my $suite_post_code;
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my $dispatch_code;
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my $mapping_code;
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my %mapping_values;
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while (@var_req_arr)
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{
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my $req = shift @var_req_arr;
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$req =~ s/(!?)(.*)/$1defined($2)/;
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$suite_pre_code .= "#if $req\n";
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$suite_post_code .= "#endif /* $req */\n";
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}
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$/ = $line_separator;
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open(TEST_FILE, ">$test_file") or die "Opening destination file '$test_file': $!";
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print TEST_FILE << "END";
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/*
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* *** THIS FILE HAS BEEN MACHINE GENERATED ***
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*
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* This file has been machine generated using the script: $0
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*
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* Test file : $test_file
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*
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* The following files were used to create this file.
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*
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* Main code file : $test_main_file
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* Helper file : $test_common_helper_file
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* Test suite file : $test_case_file
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* Test suite data : $test_case_data
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*
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include <mbedtls/config.h>
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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/*----------------------------------------------------------------------------*/
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/* Common helper code */
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$test_common_helpers
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/*----------------------------------------------------------------------------*/
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/* Test Suite Code */
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$suite_pre_code
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$suite_header
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$suite_helpers
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$suite_post_code
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END
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$test_main =~ s/SUITE_PRE_DEP/$suite_pre_code/;
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$test_main =~ s/SUITE_POST_DEP/$suite_post_code/;
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while($test_cases =~ /\/\* BEGIN_CASE *([\w:]*) \*\/\n(.*?)\n\/\* END_CASE \*\//msg)
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{
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my $function_deps = $1;
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my $function_decl = $2;
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# Sanity checks of function
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if ($function_decl !~ /^#line\s*.*\nvoid /)
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{
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die "Test function does not have 'void' as return type.\n" .
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"Function declaration:\n" .
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$function_decl;
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}
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if ($function_decl !~ /^(#line\s*.*)\nvoid (\w+)\(\s*(.*?)\s*\)\s*{(.*)}/ms)
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{
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die "Function declaration not in expected format\n";
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}
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my $line_directive = $1;
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my $function_name = $2;
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my $function_params = $3;
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my $function_pre_code;
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my $function_post_code;
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my $param_defs;
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my $param_checks;
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my @dispatch_params;
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my @var_def_arr = split(/,\s*/, $function_params);
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my $i = 1;
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my $mapping_regex = "".$function_name;
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my $mapping_count = 0;
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$function_decl =~ s/(^#line\s*.*)\nvoid /$1\nvoid test_suite_/;
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# Add exit label if not present
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if ($function_decl !~ /^exit:$/m)
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{
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$function_decl =~ s/}\s*$/\nexit:\n return;\n}/;
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}
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if ($function_deps =~ /^depends_on:/)
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{
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( $function_deps ) = $function_deps =~ /^depends_on:(.*)$/;
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}
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foreach my $req (split(/:/, $function_deps))
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{
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$function_pre_code .= "#ifdef $req\n";
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$function_post_code .= "#endif /* $req */\n";
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}
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foreach my $def (@var_def_arr)
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{
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# Handle the different parameter types
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if( substr($def, 0, 4) eq "int " )
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{
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$param_defs .= " int param$i;\n";
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$param_checks .= " if( verify_int( params[$i], ¶m$i ) != 0 ) return( DISPATCH_INVALID_TEST_DATA );\n";
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push @dispatch_params, "param$i";
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$mapping_regex .= ":([\\d\\w |\\+\\-\\(\\)]+)";
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$mapping_count++;
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}
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elsif( substr($def, 0, 6) eq "char *" )
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{
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$param_defs .= " char *param$i = params[$i];\n";
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$param_checks .= " if( verify_string( ¶m$i ) != 0 ) return( DISPATCH_INVALID_TEST_DATA );\n";
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push @dispatch_params, "param$i";
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$mapping_regex .= ":(?:\\\\.|[^:\n])+";
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}
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else
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{
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die "Parameter declaration not of supported type (int, char *)\n";
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}
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$i++;
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}
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# Find non-integer values we should map for this function
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if( $mapping_count)
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{
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my @res = $test_data =~ /^$mapping_regex/msg;
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foreach my $value (@res)
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{
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next unless ($value !~ /^\d+$/);
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if ( $mapping_values{$value} ) {
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${ $mapping_values{$value} }{$function_pre_code} = 1;
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} else {
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$mapping_values{$value} = { $function_pre_code => 1 };
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}
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}
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}
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my $call_params = join ", ", @dispatch_params;
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my $param_count = @var_def_arr + 1;
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$dispatch_code .= << "END";
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if( strcmp( params[0], "$function_name" ) == 0 )
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{
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$function_pre_code
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$param_defs
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if( cnt != $param_count )
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{
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mbedtls_fprintf( stderr, "\\nIncorrect argument count (%d != %d)\\n", cnt, $param_count );
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return( DISPATCH_INVALID_TEST_DATA );
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}
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$param_checks
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test_suite_$function_name( $call_params );
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return ( DISPATCH_TEST_SUCCESS );
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$function_post_code
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return ( DISPATCH_UNSUPPORTED_SUITE );
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}
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else
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END
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my $function_code = $function_pre_code . $function_decl . "\n" .
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$function_post_code;
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$test_main =~ s/FUNCTION_CODE/$function_code\nFUNCTION_CODE/;
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}
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# Find specific case dependencies that we should be able to check
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# and make check code
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my $dep_check_code;
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my @res = $test_data =~ /^depends_on:([!:\w]+)/msg;
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my %case_deps;
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foreach my $deps (@res)
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{
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foreach my $dep (split(/:/, $deps))
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{
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$case_deps{$dep} = 1;
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}
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}
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while( my ($key, $value) = each(%case_deps) )
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{
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if( substr($key, 0, 1) eq "!" )
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{
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my $key = substr($key, 1);
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$dep_check_code .= << "END";
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if( strcmp( str, "!$key" ) == 0 )
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{
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#if !defined($key)
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return( DEPENDENCY_SUPPORTED );
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#else
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return( DEPENDENCY_NOT_SUPPORTED );
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#endif
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}
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END
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}
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else
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{
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$dep_check_code .= << "END";
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if( strcmp( str, "$key" ) == 0 )
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{
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#if defined($key)
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return( DEPENDENCY_SUPPORTED );
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#else
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return( DEPENDENCY_NOT_SUPPORTED );
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#endif
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}
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END
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}
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}
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# Make mapping code
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while( my ($key, $value) = each(%mapping_values) )
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{
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my $key_mapping_code = << "END";
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if( strcmp( str, "$key" ) == 0 )
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{
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*value = ( $key );
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return( KEY_VALUE_MAPPING_FOUND );
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}
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END
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# handle depenencies, unless used at least one without depends
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if ($value->{""}) {
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$mapping_code .= $key_mapping_code;
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next;
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}
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for my $ifdef ( keys %$value ) {
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(my $endif = $ifdef) =~ s!ifdef!endif //!g;
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$mapping_code .= $ifdef . $key_mapping_code . $endif;
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}
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}
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$dispatch_code =~ s/^(.+)/ $1/mg;
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$test_main =~ s/TESTCASE_FILENAME/$test_case_data/g;
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$test_main =~ s/TESTCODE_FILENAME/$test_case_file/g;
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$test_main =~ s/FUNCTION_CODE//;
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$test_main =~ s/DEP_CHECK_CODE/$dep_check_code/;
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$test_main =~ s/DISPATCH_FUNCTION/$dispatch_code/;
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$test_main =~ s/MAPPING_CODE/$mapping_code/;
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print TEST_FILE << "END";
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$test_main
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END
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close(TEST_FILE);
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