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phorge/scripts/symbols/generate_php_symbols.php
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generate_php_symbols.php
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#!/usr/bin/env php
<?php
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
$args = new PhutilArgumentParser($argv);
$args->setSynopsis(<<<EOSYNOPSIS
**generate_php_symbols.php** [__options__]
Generate repository symbols using XHPAST. Paths are read from stdin.
EOSYNOPSIS
);
$args->parseStandardArguments();
if (posix_isatty(STDIN)) {
echo phutil_console_format(
"%s\n",
pht(
'Usage: %s',
"find . -type f -name '*.php' | ./generate_php_symbols.php"));
exit(1);
}
$input = file_get_contents('php://stdin');
$data = array();
$futures = array();
foreach (explode("\n", trim($input)) as $file) {
if (!phutil_nonempty_string($file)) {
continue;
}
$file = Filesystem::readablePath($file);
$data[$file] = Filesystem::readFile($file);
$futures[$file] = PhutilXHPASTBinary::getParserFuture($data[$file]);
}
$futures = new FutureIterator($futures);
foreach ($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 = $function->getChildByIndex(2);
// Skip anonymous functions.
if (!$name->getConcreteString()) {
continue;
}
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, XHPASTNode $node, $context = null) {
$parts = array(
$context ? $context->getConcreteString() : '',
// Variable tokens are `$name`, not just `name`, so strip the "$"" off of
// class field names
ltrim($node->getConcreteString(), '$'),
$type,
'php',
$node->getLineNumber(),
'/'.ltrim($file, './'),
);
echo implode(' ', $parts)."\n";
}

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