function it_should_parse_extended_grammars()
{
$tree = new GrammarNode('ExtendedFile', array(new RuleNode('Foo', "'Foo'", new LiteralNode('"foo"', false))));
$tree->setBase('BaseFile');
$this->parse('grammar ExtendedFile extends BaseFile { Foo = "foo"; }')->shouldBeLike($tree);
}
function it_should_create_an_extended_grammar_from_a_node()
{
$grammarNode = new GrammarNode('FooFile', array(new RuleNode('Foo', '"Foo"', new RuleReferenceNode('Bar'))));
$grammarNode->setNamespace('Acme\\Factory');
$grammarNode->setImports(array('Acme\\FactoryInterface', 'Acme\\BaseFile'));
$grammarNode->setBase('BaseFile');
$grammarCode = <<<EOS
namespace Acme\\Factory;
use Acme\\FactoryInterface;
use Acme\\BaseFile;
class FooFile extends BaseFile
{
protected function parseFoo()
{
\$_position = \$this->position;
if (isset(\$this->cache['Foo'][\$_position])) {
\$_success = \$this->cache['Foo'][\$_position]['success'];
\$this->position = \$this->cache['Foo'][\$_position]['position'];
\$this->value = \$this->cache['Foo'][\$_position]['value'];
return \$_success;
}
\$_success = \$this->parseBar();
\$this->cache['Foo'][\$_position] = array(
'success' => \$_success,
'position' => \$this->position,
'value' => \$this->value
);
if (!\$_success) {
\$this->report(\$_position, "Foo");
}
return \$_success;
}
}
EOS;
$grammarNode->accept($this->getWrappedObject());
$this->getResult()->shouldBe($grammarCode);
}
protected function parseGrammar()
{
$_position = $this->position;
if (isset($this->cache['Grammar'][$_position])) {
$_success = $this->cache['Grammar'][$_position]['success'];
$this->position = $this->cache['Grammar'][$_position]['position'];
$this->value = $this->cache['Grammar'][$_position]['value'];
return $_success;
}
$_value27 = array();
if (substr($this->string, $this->position, strlen("grammar")) === "grammar") {
$_success = true;
$this->value = substr($this->string, $this->position, strlen("grammar"));
$this->position += strlen("grammar");
} else {
$_success = false;
$this->report($this->position, '"grammar"');
}
if ($_success) {
$_value27[] = $this->value;
$_success = true;
$this->value = null;
$this->cut = true;
}
if ($_success) {
$_value27[] = $this->value;
$_success = $this->parse_();
}
if ($_success) {
$_value27[] = $this->value;
$_success = $this->parseIdentifier();
if ($_success) {
$name = $this->value;
}
}
if ($_success) {
$_value27[] = $this->value;
$_position18 = $this->position;
$_cut19 = $this->cut;
$this->cut = false;
$_value17 = array();
$_success = $this->parse_();
if ($_success) {
$_value17[] = $this->value;
if (substr($this->string, $this->position, strlen("extends")) === "extends") {
$_success = true;
$this->value = substr($this->string, $this->position, strlen("extends"));
$this->position += strlen("extends");
} else {
$_success = false;
$this->report($this->position, '"extends"');
}
}
if ($_success) {
$_value17[] = $this->value;
$_success = $this->parse_();
}
if ($_success) {
$_value17[] = $this->value;
$_success = $this->parseIdentifier();
if ($_success) {
$base = $this->value;
}
}
if ($_success) {
$_value17[] = $this->value;
$this->value = $_value17;
}
if (!$_success && !$this->cut) {
$_success = true;
$this->position = $_position18;
$this->value = null;
}
$this->cut = $_cut19;
}
if ($_success) {
$_value27[] = $this->value;
$_success = $this->parse_();
}
if ($_success) {
$_value27[] = $this->value;
if (substr($this->string, $this->position, strlen("{")) === "{") {
$_success = true;
$this->value = substr($this->string, $this->position, strlen("{"));
$this->position += strlen("{");
} else {
$_success = false;
$this->report($this->position, '"{"');
}
}
if ($_success) {
$_value27[] = $this->value;
$_position21 = $this->position;
$_cut22 = $this->cut;
$this->cut = false;
$_value20 = array();
$_success = $this->parse_();
if ($_success) {
$_value20[] = $this->value;
if (substr($this->string, $this->position, strlen("start")) === "start") {
$_success = true;
$this->value = substr($this->string, $this->position, strlen("start"));
$this->position += strlen("start");
} else {
$_success = false;
$this->report($this->position, '"start"');
}
}
if ($_success) {
$_value20[] = $this->value;
$_success = true;
$this->value = null;
$this->cut = true;
}
if ($_success) {
$_value20[] = $this->value;
$_success = $this->parse_();
}
if ($_success) {
$_value20[] = $this->value;
$_success = $this->parseRule();
if ($_success) {
$startSymbol = $this->value;
}
}
if ($_success) {
$_value20[] = $this->value;
$this->value = $_value20;
}
if (!$_success && !$this->cut) {
$_success = true;
$this->position = $_position21;
$this->value = null;
}
$this->cut = $_cut22;
}
if ($_success) {
$_value27[] = $this->value;
$_value25 = array();
$_cut26 = $this->cut;
while (true) {
$_position24 = $this->position;
$this->cut = false;
$_value23 = array();
$_success = $this->parse_();
if ($_success) {
$_value23[] = $this->value;
$_success = $this->parseRule();
if ($_success) {
$rule = $this->value;
}
}
if ($_success) {
$_value23[] = $this->value;
$this->value = $_value23;
}
if ($_success) {
$this->value = call_user_func(function () use(&$name, &$base, &$startSymbol, &$rule) {
return $rule;
});
}
if (!$_success) {
break;
}
$_value25[] = $this->value;
}
if (!$this->cut) {
$_success = true;
$this->position = $_position24;
$this->value = $_value25;
}
$this->cut = $_cut26;
if ($_success) {
$rules = $this->value;
}
}
if ($_success) {
$_value27[] = $this->value;
$_success = $this->parse_();
}
if ($_success) {
$_value27[] = $this->value;
if (substr($this->string, $this->position, strlen("}")) === "}") {
$_success = true;
$this->value = substr($this->string, $this->position, strlen("}"));
$this->position += strlen("}");
} else {
$_success = false;
$this->report($this->position, '"}"');
}
}
if ($_success) {
$_value27[] = $this->value;
$this->value = $_value27;
}
if ($_success) {
$this->value = call_user_func(function () use(&$name, &$base, &$startSymbol, &$rule, &$rules) {
$rules = array_merge(isset($startSymbol) ? array($startSymbol) : array(), $rules);
$grammar = new GrammarNode($name, $rules);
if (isset($base)) {
$grammar->setBase($base);
}
if (isset($startSymbol)) {
$grammar->setStartSymbol($startSymbol->getIdentifier());
}
return $grammar;
});
}
$this->cache['Grammar'][$_position] = array('success' => $_success, 'position' => $this->position, 'value' => $this->value);
if (!$_success) {
$this->report($_position, 'Grammar');
}
return $_success;
}
