phorge-arcanist/support/xhpast/bin/xhpast-generate-nodes.php

#!/usr/bin/env php
<?php

$arcanist_root = dirname(dirname(dirname(dirname(__FILE__))));
require_once $arcanist_root.'/support/init/init-script.php';

$xhpast_root = dirname(dirname(__FILE__));

$hpp_outpath = $xhpast_root.'/node_names.hpp';
$php_outpath = $xhpast_root.'/parser_nodes.php';

$offset = 9000;

$nodes = array(
  'n_PROGRAM',
  'n_SYMBOL_NAME',
  'n_HALT_COMPILER',
  'n_NAMESPACE',
  'n_STATEMENT',
  'n_EMPTY',
  'n_STATEMENT_LIST',
  'n_OPEN_TAG',
  'n_CLOSE_TAG',
  'n_USE_LIST',
  'n_USE',
  'n_CONSTANT_DECLARATION_LIST',
  'n_CONSTANT_DECLARATION',
  'n_STRING',
  'n_LABEL',
  'n_CONDITION_LIST',
  'n_CONTROL_CONDITION',
  'n_IF',
  'n_ELSEIF',
  'n_ELSE',
  'n_WHILE',
  'n_DO_WHILE',
  'n_FOR',
  'n_FOR_EXPRESSION',
  'n_SWITCH',
  'n_BREAK',
  'n_CONTINUE',
  'n_RETURN',
  'n_GLOBAL_DECLARATION_LIST',
  'n_GLOBAL_DECLARATION',
  'n_STATIC_DECLARATION_LIST',
  'n_STATIC_DECLARATION',
  'n_ECHO_LIST',
  'n_ECHO',
  'n_INLINE_HTML',
  'n_UNSET_LIST',
  'n_UNSET',
  'n_FOREACH',
  'n_FOREACH_EXPRESSION',
  'n_THROW',
  'n_GOTO',
  'n_TRY',
  'n_CATCH_LIST',
  'n_CATCH',
  'n_DECLARE',
  'n_DECLARE_DECLARATION_LIST',
  'n_DECLARE_DECLARATION',
  'n_VARIABLE',
  'n_REFERENCE',
  'n_VARIABLE_REFERENCE',
  'n_FUNCTION_DECLARATION',
  'n_CLASS_DECLARATION',
  'n_CLASS_ATTRIBUTES',
  'n_EXTENDS',
  'n_EXTENDS_LIST',
  'n_IMPLEMENTS_LIST',
  'n_INTERFACE_DECLARATION',
  'n_CASE',
  'n_DEFAULT',
  'n_DECLARATION_PARAMETER_LIST',
  'n_DECLARATION_PARAMETER',
  'n_TYPE_NAME',
  'n_VARIABLE_VARIABLE',
  'n_CLASS_MEMBER_DECLARATION_LIST',
  'n_CLASS_MEMBER_DECLARATION',
  'n_CLASS_CONSTANT_DECLARATION_LIST',
  'n_CLASS_CONSTANT_DECLARATION',
  'n_METHOD_DECLARATION',
  'n_METHOD_MODIFIER_LIST',
  'n_FUNCTION_MODIFIER_LIST',
  'n_CLASS_MEMBER_MODIFIER_LIST',
  'n_EXPRESSION_LIST',
  'n_LIST',
  'n_ASSIGNMENT',
  'n_NEW',
  'n_UNARY_PREFIX_EXPRESSION',
  'n_UNARY_POSTFIX_EXPRESSION',
  'n_BINARY_EXPRESSION',
  'n_TERNARY_EXPRESSION',
  'n_CAST_EXPRESSION',
  'n_CAST',
  'n_OPERATOR',
  'n_ARRAY_LITERAL',
  'n_EXIT_EXPRESSION',
  'n_BACKTICKS_EXPRESSION',
  'n_LEXICAL_VARIABLE_LIST',
  'n_NUMERIC_SCALAR',
  'n_STRING_SCALAR',
  'n_MAGIC_SCALAR',
  'n_CLASS_STATIC_ACCESS',
  'n_CLASS_NAME',
  'n_MAGIC_CLASS_KEYWORD',
  'n_OBJECT_PROPERTY_ACCESS',
  'n_ARRAY_VALUE_LIST',
  'n_ARRAY_VALUE',
  'n_CALL_PARAMETER_LIST',
  'n_VARIABLE_EXPRESSION',
  'n_INCLUDE_FILE',
  'n_HEREDOC',
  'n_FUNCTION_CALL',
  'n_INDEX_ACCESS',
  'n_ASSIGNMENT_LIST',
  'n_METHOD_CALL',
  'n_CONCATENATION_LIST',
  'n_PARENTHETICAL_EXPRESSION',
  'n_TRAIT_USE',
  'n_TRAIT_USE_LIST',
  'n_TRAIT_ADAPTATION_LIST',
  'n_TRAIT_INSTEADOF',
  'n_TRAIT_REFERENCE_LIST',
  'n_TRAIT_METHOD_REFERENCE',
  'n_TRAIT_AS',
  'n_YIELD',
  'n_FINALLY',
  'n_UNPACK',
  'n_DECLARATION_RETURN',
  'n_NULLABLE_TYPE',
);

$nodes = array_combine(
  array_values($nodes),
  range($offset, $offset + count($nodes) - 1));

$hpp = '';
foreach ($nodes as $node => $value) {
  $hpp .= "#define {$node} {$value}\n";
}


Filesystem::writeFile($hpp_outpath, $hpp);
echo pht('Wrote C++ definition.')."\n";

$at = '@';
$php = <<<EOPHP
<?php

/**
 * {$at}generated
 * {$at}undivinable
 */
function xhp_parser_node_constants() {
  return array(

EOPHP;

foreach ($nodes as $node => $value) {
  $php .= "    {$value} => '{$node}',\n";
}
$php .= <<<EOPHP
  );
}

EOPHP;

Filesystem::writeFile($php_outpath, $php);

echo pht('Wrote PHP definition.')."\n";