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Remove token registration from TokenEmulator interface

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This commit is contained in:
Nikita Popov 2019-06-23 14:50:14 +02:00
parent 624f71fa6f
commit aad0e2896f
4 changed files with 9 additions and 37 deletions
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11
lib/PhpParser/Lexer/Emulative.php
View File

@ -8,12 +8,16 @@ use PhpParser\Lexer;
use PhpParser\Lexer\TokenEmulator\CoaleseEqualTokenEmulator;
use PhpParser\Lexer\TokenEmulator\FnTokenEmulator;
use PhpParser\Lexer\TokenEmulator\TokenEmulatorInterface;
use PhpParser\Parser\Tokens;
class Emulative extends Lexer
{
const PHP_7_3 = '7.3.0dev';
const PHP_7_4 = '7.4.0dev';
const T_COALESCE_EQUAL = 1007;
const T_FN = 1008;
const FLEXIBLE_DOC_STRING_REGEX = <<<'REGEX'
/<<<[ \t]*(['"]?)([a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*)\1\r?\n
(?:.*\r?\n)*?
@ -33,14 +37,11 @@ REGEX;
{
parent::__construct($options);
// prepare token emulators
$this->tokenEmulators[] = new FnTokenEmulator();
$this->tokenEmulators[] = new CoaleseEqualTokenEmulator();
// add emulated tokens here
foreach ($this->tokenEmulators as $emulativeToken) {
$this->tokenMap[$emulativeToken->getTokenId()] = $emulativeToken->getParserTokenId();
}
$this->tokenMap[self::T_COALESCE_EQUAL] = Tokens::T_COALESCE_EQUAL;
$this->tokenMap[self::T_FN] = Tokens::T_FN;
}
public function startLexing(string $code, ErrorHandler $errorHandler = null) {

15
lib/PhpParser/Lexer/TokenEmulator/CoaleseEqualTokenEmulator.php
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@ -3,22 +3,9 @@
namespace PhpParser\Lexer\TokenEmulator;
use PhpParser\Lexer\Emulative;
use PhpParser\Parser\Tokens;
final class CoaleseEqualTokenEmulator implements TokenEmulatorInterface
{
const T_COALESCE_EQUAL = 1007;
public function getTokenId(): int
{
return self::T_COALESCE_EQUAL;
}
public function getParserTokenId(): int
{
return Tokens::T_COALESCE_EQUAL;
}
public function isEmulationNeeded(string $code) : bool
{
// skip version where this is supported
@ -38,7 +25,7 @@ final class CoaleseEqualTokenEmulator implements TokenEmulatorInterface
if (isset($tokens[$i + 1])) {
if ($tokens[$i][0] === T_COALESCE && $tokens[$i + 1] === '=') {
array_splice($tokens, $i, 2, [
[self::T_COALESCE_EQUAL, '??=', $line]
[Emulative::T_COALESCE_EQUAL, '??=', $line]
]);
$c--;
continue;

15
lib/PhpParser/Lexer/TokenEmulator/FnTokenEmulator.php
View File

@ -3,22 +3,9 @@
namespace PhpParser\Lexer\TokenEmulator;
use PhpParser\Lexer\Emulative;
use PhpParser\Parser\Tokens;
final class FnTokenEmulator implements TokenEmulatorInterface
{
const T_FN = 1008;
public function getTokenId(): int
{
return self::T_FN;
}
public function getParserTokenId(): int
{
return Tokens::T_FN;
}
public function isEmulationNeeded(string $code) : bool
{
// skip version where this is supported
@ -40,7 +27,7 @@ final class FnTokenEmulator implements TokenEmulatorInterface
continue;
}
$tokens[$i][0] = self::T_FN;
$tokens[$i][0] = Emulative::T_FN;
}
}

5
lib/PhpParser/Lexer/TokenEmulator/TokenEmulatorInterface.php
View File

@ -2,12 +2,9 @@
namespace PhpParser\Lexer\TokenEmulator;
/** @internal */
interface TokenEmulatorInterface
{
public function getTokenId(): int;
public function getParserTokenId(): int;
public function isEmulationNeeded(string $code): bool;
/**