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phorge/scripts/crossref/generate_php_symbols.php
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generate_php_symbols.php
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#!/usr/bin/env php
<?php
/*
* Copyright 2011 Facebook, Inc.
*
* 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.
*/
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
require_once $root.'/scripts/__init_env__.php';
phutil_require_module('phutil', 'console');
phutil_require_module('phutil', 'parser/xhpast/bin');
if ($argc !== 1) {
echo phutil_console_format(
"usage: find . -type f -name '*.php' | ./generate_php_symbols.php\n");
exit(1);
}
$input = file_get_contents('php://stdin');
$input = trim($input);
$input = explode("\n", $input);
$data = array();
$futures = array();
foreach ($input as $file) {
$file = Filesystem::readablePath($file);
$data[$file] = Filesystem::readFile($file);
$futures[$file] = xhpast_get_parser_future($data[$file]);
}
foreach (Futures($futures)->limit(8) as $file => $future) {
$tree = XHPASTTree::newFromDataAndResolvedExecFuture(
$data[$file],
$future->resolve());
$root = $tree->getRootNode();
$functions = $root->selectDescendantsOfType('n_FUNCTION_DECLARATION');
foreach ($functions as $function) {
$name = $function->getChildByIndex(2);
print_symbol($file, 'function', $name);
}
$classes = $root->selectDescendantsOfType('n_CLASS_DECLARATION');
foreach ($classes as $class) {
$class_name = $class->getChildByIndex(1);
print_symbol($file, 'class', $class_name);
}
$interfaces = $root->selectDescendantsOfType('n_INTERFACE_DECLARATION');
foreach ($interfaces as $interface) {
$interface_name = $interface->getChildByIndex(1);
print_symbol($file, 'interface', $interface_name);
}
}
function print_symbol($file, $type, $token) {
$parts = array(
$token->getConcreteString(),
$type,
'php',
$token->getLineNumber(),
'/'.ltrim($file, './'),
);
echo implode(' ', $parts)."\n";
}

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