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1 <?php declare(strict_types=1);
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2
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3 namespace PhpParser;
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4
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5 use PhpParser\Node\Expr;
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6 use PhpParser\Node\Stmt;
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7
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8 class CodeParsingTest extends CodeTestAbstract
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9 {
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10 /**
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11 * @dataProvider provideTestParse
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12 */
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13 public function testParse($name, $code, $expected, $modeLine) {
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14 if (null !== $modeLine) {
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15 $modes = array_fill_keys(explode(',', $modeLine), true);
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16 } else {
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17 $modes = [];
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18 }
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19
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20 list($parser5, $parser7) = $this->createParsers($modes);
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21 list($stmts5, $output5) = $this->getParseOutput($parser5, $code, $modes);
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22 list($stmts7, $output7) = $this->getParseOutput($parser7, $code, $modes);
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23
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24 if (isset($modes['php5'])) {
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25 $this->assertSame($expected, $output5, $name);
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26 $this->assertNotSame($expected, $output7, $name);
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27 } elseif (isset($modes['php7'])) {
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28 $this->assertNotSame($expected, $output5, $name);
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29 $this->assertSame($expected, $output7, $name);
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30 } else {
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31 $this->assertSame($expected, $output5, $name);
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32 $this->assertSame($expected, $output7, $name);
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33 }
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34
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35 $this->checkAttributes($stmts5);
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36 $this->checkAttributes($stmts7);
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37 }
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38
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39 public function createParsers(array $modes) {
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40 $lexer = new Lexer\Emulative(['usedAttributes' => [
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41 'startLine', 'endLine',
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42 'startFilePos', 'endFilePos',
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43 'startTokenPos', 'endTokenPos',
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44 'comments'
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45 ]]);
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46
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47 return [
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48 new Parser\Php5($lexer),
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49 new Parser\Php7($lexer),
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50 ];
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51 }
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52
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53 // Must be public for updateTests.php
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54 public function getParseOutput(Parser $parser, $code, array $modes) {
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55 $dumpPositions = isset($modes['positions']);
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56
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57 $errors = new ErrorHandler\Collecting;
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58 $stmts = $parser->parse($code, $errors);
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59
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60 $output = '';
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61 foreach ($errors->getErrors() as $error) {
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62 $output .= $this->formatErrorMessage($error, $code) . "\n";
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63 }
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64
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65 if (null !== $stmts) {
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66 $dumper = new NodeDumper(['dumpComments' => true, 'dumpPositions' => $dumpPositions]);
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67 $output .= $dumper->dump($stmts, $code);
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68 }
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69
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70 return [$stmts, canonicalize($output)];
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71 }
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72
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73 public function provideTestParse() {
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74 return $this->getTests(__DIR__ . '/../code/parser', 'test');
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75 }
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76
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77 private function formatErrorMessage(Error $e, $code) {
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78 if ($e->hasColumnInfo()) {
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79 return $e->getMessageWithColumnInfo($code);
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80 }
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81
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82 return $e->getMessage();
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83 }
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84
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85 private function checkAttributes($stmts) {
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86 if ($stmts === null) {
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87 return;
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88 }
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89
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90 $traverser = new NodeTraverser();
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91 $traverser->addVisitor(new class extends NodeVisitorAbstract {
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92 public function enterNode(Node $node) {
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93 $startLine = $node->getStartLine();
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94 $endLine = $node->getEndLine();
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95 $startFilePos = $node->getStartFilePos();
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96 $endFilePos = $node->getEndFilePos();
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97 $startTokenPos = $node->getStartTokenPos();
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98 $endTokenPos = $node->getEndTokenPos();
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99 if ($startLine < 0 || $endLine < 0 ||
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100 $startFilePos < 0 || $endFilePos < 0 ||
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101 $startTokenPos < 0 || $endTokenPos < 0
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102 ) {
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103 throw new \Exception('Missing location information on ' . $node->getType());
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104 }
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105
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106 if ($endLine < $startLine ||
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107 $endFilePos < $startFilePos ||
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108 $endTokenPos < $startTokenPos
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109 ) {
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110 // Nops and error can have inverted order, if they are empty
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111 if (!$node instanceof Stmt\Nop && !$node instanceof Expr\Error) {
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112 throw new \Exception('End < start on ' . $node->getType());
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113 }
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114 }
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115 }
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116 });
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117 $traverser->traverse($stmts);
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118 }
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119 }
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