public function testTokenStream()
{
$stream = new TokenStream([new Token(null, 'Hello', TokenTypes::T_NAME, 0, 0), new Token(null, '"World"', TokenTypes::T_STR, 0, 0), new Token(null, '', TokenTypes::T_EOF, 0, 0)]);
$this->assertTrue($stream->test(TokenTypes::T_NAME, 'Hello'));
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->nextIf(TokenTypes::T_STR));
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->getCurrent());
$this->assertEquals(new Token(null, '"World"', TokenTypes::T_STR, 0, 0), $stream->expect(TokenTypes::T_STR));
$this->assertTrue($stream->isEOF());
}
/**
* @param bool|false $namedArguments
* @param bool|false $definition
* @return Node
* @throws SyntaxException
*/
public function parseArguments($namedArguments = false, $definition = false)
{
$args = [];
$openParan = $this->stream->expect(TokenTypes::T_OPEN_PARAN);
$line = $openParan->getLine();
$allowNonNamedArgs = true;
while (!$this->stream->test(TokenTypes::T_CLOSE_PARAN)) {
if (!empty($args)) {
$this->stream->expect(TokenTypes::T_COMMA, ',', 'Arguments must be separated by comma.');
}
$name = null;
$value = null;
if ($definition) {
$token = $this->stream->expect(TokenTypes::T_NAME, null, 'Arguments must have name.');
if (!$this->isSimpleName($token)) {
throw new SyntaxException('Invalid argument name , "%s"', $token->getValue());
}
$name = $token->getValue();
if ($this->stream->test(TokenTypes::T_SET)) {
$this->stream->expect(TokenTypes::T_SET);
$value = $this->parseExpression();
}
} else {
if ($namedArguments && $this->stream->look()->is(TokenTypes::T_SET)) {
$nameToken = $this->stream->expect(TokenTypes::T_NAME, null, 'Missing argument name.');
if (!$this->isSimpleName($nameToken)) {
throw new SyntaxException('Invalid argument name , "%s"', $nameToken->getValue());
}
$name = $nameToken->getValue();
$this->stream->expect(TokenTypes::T_SET);
$allowNonNamedArgs = false;
} elseif (!$allowNonNamedArgs) {
throw new SyntaxException('Non-named args must come before named args.');
}
$value = $this->parseExpression();
}
if ($name) {
$args[$name] = $value;
} else {
$args[] = $value;
}
}
$this->stream->expect(TokenTypes::T_CLOSE_PARAN, ')', 'A list of arguments must be closed by parenthesis');
return new Node\Expression\Arguments($args, $definition, $line);
}
public function decideIfBraceEnd(TokenStream $stream)
{
return $stream->test([TokenTypes::T_SECTION_CLOSE], '}');
}
public function testEndBrace(TokenStream $stream)
{
return $stream->test(TokenTypes::T_SECTION_CLOSE, '}');
}
