Mercurial > hg > isophonics-drupal-site
diff vendor/nikic/php-parser/lib/PhpParser/BuilderAbstract.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/nikic/php-parser/lib/PhpParser/BuilderAbstract.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,175 @@ +<?php + +namespace PhpParser; + +use PhpParser\Comment; +use PhpParser\Node\Expr; +use PhpParser\Node\Name; +use PhpParser\Node\NullableType; +use PhpParser\Node\Scalar; +use PhpParser\Node\Stmt; + +abstract class BuilderAbstract implements Builder { + /** + * Normalizes a node: Converts builder objects to nodes. + * + * @param Node|Builder $node The node to normalize + * + * @return Node The normalized node + */ + protected function normalizeNode($node) { + if ($node instanceof Builder) { + return $node->getNode(); + } elseif ($node instanceof Node) { + return $node; + } + + throw new \LogicException('Expected node or builder object'); + } + + /** + * Normalizes a name: Converts plain string names to PhpParser\Node\Name. + * + * @param Name|string $name The name to normalize + * + * @return Name The normalized name + */ + protected function normalizeName($name) { + if ($name instanceof Name) { + return $name; + } elseif (is_string($name)) { + if (!$name) { + throw new \LogicException('Name cannot be empty'); + } + + if ($name[0] == '\\') { + return new Name\FullyQualified(substr($name, 1)); + } elseif (0 === strpos($name, 'namespace\\')) { + return new Name\Relative(substr($name, strlen('namespace\\'))); + } else { + return new Name($name); + } + } + + throw new \LogicException('Name must be a string or an instance of PhpParser\Node\Name'); + } + + /** + * Normalizes a type: Converts plain-text type names into proper AST representation. + * + * In particular, builtin types are left as strings, custom types become Names and nullables + * are wrapped in NullableType nodes. + * + * @param Name|string|NullableType $type The type to normalize + * + * @return Name|string|NullableType The normalized type + */ + protected function normalizeType($type) { + if (!is_string($type)) { + if (!$type instanceof Name && !$type instanceof NullableType) { + throw new \LogicException( + 'Type must be a string, or an instance of Name or NullableType'); + } + return $type; + } + + $nullable = false; + if (strlen($type) > 0 && $type[0] === '?') { + $nullable = true; + $type = substr($type, 1); + } + + $builtinTypes = array( + 'array', 'callable', 'string', 'int', 'float', 'bool', 'iterable', 'void', 'object' + ); + + $lowerType = strtolower($type); + if (in_array($lowerType, $builtinTypes)) { + $type = $lowerType; + } else { + $type = $this->normalizeName($type); + } + + if ($nullable && $type === 'void') { + throw new \LogicException('void type cannot be nullable'); + } + + return $nullable ? new Node\NullableType($type) : $type; + } + + /** + * Normalizes a value: Converts nulls, booleans, integers, + * floats, strings and arrays into their respective nodes + * + * @param mixed $value The value to normalize + * + * @return Expr The normalized value + */ + protected function normalizeValue($value) { + if ($value instanceof Node) { + return $value; + } elseif (is_null($value)) { + return new Expr\ConstFetch( + new Name('null') + ); + } elseif (is_bool($value)) { + return new Expr\ConstFetch( + new Name($value ? 'true' : 'false') + ); + } elseif (is_int($value)) { + return new Scalar\LNumber($value); + } elseif (is_float($value)) { + return new Scalar\DNumber($value); + } elseif (is_string($value)) { + return new Scalar\String_($value); + } elseif (is_array($value)) { + $items = array(); + $lastKey = -1; + foreach ($value as $itemKey => $itemValue) { + // for consecutive, numeric keys don't generate keys + if (null !== $lastKey && ++$lastKey === $itemKey) { + $items[] = new Expr\ArrayItem( + $this->normalizeValue($itemValue) + ); + } else { + $lastKey = null; + $items[] = new Expr\ArrayItem( + $this->normalizeValue($itemValue), + $this->normalizeValue($itemKey) + ); + } + } + + return new Expr\Array_($items); + } else { + throw new \LogicException('Invalid value'); + } + } + + /** + * Normalizes a doc comment: Converts plain strings to PhpParser\Comment\Doc. + * + * @param Comment\Doc|string $docComment The doc comment to normalize + * + * @return Comment\Doc The normalized doc comment + */ + protected function normalizeDocComment($docComment) { + if ($docComment instanceof Comment\Doc) { + return $docComment; + } else if (is_string($docComment)) { + return new Comment\Doc($docComment); + } else { + throw new \LogicException('Doc comment must be a string or an instance of PhpParser\Comment\Doc'); + } + } + + /** + * Sets a modifier in the $this->type property. + * + * @param int $modifier Modifier to set + */ + protected function setModifier($modifier) { + Stmt\Class_::verifyModifier($this->flags, $modifier); + $this->flags |= $modifier; + } +}