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phab/scripts/symbols/generate_php_symbols.php
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generate_php_symbols.php
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#!/usr/bin/env php
<?php
/*
* Copyright 2012 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 $root.'/scripts/__init_script__.php';
if ($argc !== 1 || posix_isatty(STDIN)) {
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();
$scopes = array();
$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);
$scopes[] = array($class, $class_name);
}
$interfaces = $root->selectDescendantsOfType('n_INTERFACE_DECLARATION');
foreach ($interfaces as $interface) {
$interface_name = $interface->getChildByIndex(1);
// We don't differentiate classes and interfaces in highlighters.
print_symbol($file, 'class', $interface_name);
$scopes[] = array($interface, $interface_name);
}
$constants = $root->selectDescendantsOfType('n_CONSTANT_DECLARATION_LIST');
foreach ($constants as $constant_list) {
foreach ($constant_list->getChildren() as $constant) {
$constant_name = $constant->getChildByIndex(0);
print_symbol($file, 'constant', $constant_name);
}
}
foreach ($scopes as $scope) {
// this prints duplicate symbols in the case of nested classes
// luckily, PHP doesn't allow those
list($class, $class_name) = $scope;
$consts = $class->selectDescendantsOfType(
'n_CLASS_CONSTANT_DECLARATION_LIST');
foreach ($consts as $const_list) {
foreach ($const_list->getChildren() as $const) {
$const_name = $const->getChildByIndex(0);
print_symbol($file, 'class_const', $const_name, $class_name);
}
}
$members = $class->selectDescendantsOfType(
'n_CLASS_MEMBER_DECLARATION_LIST');
foreach ($members as $member_list) {
foreach ($member_list->getChildren() as $member) {
if ($member->getTypeName() == 'n_CLASS_MEMBER_MODIFIER_LIST') {
continue;
}
$member_name = $member->getChildByIndex(0);
print_symbol($file, 'member', $member_name, $class_name);
}
}
$methods = $class->selectDescendantsOfType('n_METHOD_DECLARATION');
foreach ($methods as $method) {
$method_name = $method->getChildByIndex(2);
print_symbol($file, 'method', $method_name, $class_name);
}
}
}
function print_symbol($file, $type, $token, $context=null) {
$parts = array(
$context ? $context->getConcreteString() : '',
// variable tokens are `$name`, not just `name`, so strip the $ off of
// class field names
ltrim($token->getConcreteString(), '$'),
$type,
'php',
$token->getLineNumber(),
'/'.ltrim($file, './'),
);
echo implode(' ', $parts)."\n";
}
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