name: Parser
class_comment: '# * Parses a token stream.

  # *

  # * This parser implements a "Precedence climbing" algorithm.

  # *

  # * @see http://www.engr.mun.ca/~theo/Misc/exp_parsing.htm

  # * @see http://en.wikipedia.org/wiki/Operator-precedence_parser

  # *

  # * @author Fabien Potencier <fabien@symfony.com>'
dependencies: []
properties: []
methods:
- name: parse
  visibility: public
  parameters:
  - name: stream
  - name: names
    default: '[]'
  - name: flags
    default: '0'
  comment: "# * Parses a token stream.\n# *\n# * This parser implements a \"Precedence\
    \ climbing\" algorithm.\n# *\n# * @see http://www.engr.mun.ca/~theo/Misc/exp_parsing.htm\n\
    # * @see http://en.wikipedia.org/wiki/Operator-precedence_parser\n# *\n# * @author\
    \ Fabien Potencier <fabien@symfony.com>\n# */\n# class Parser\n# {\n# public const\
    \ OPERATOR_LEFT = 1;\n# public const OPERATOR_RIGHT = 2;\n# \n# public const IGNORE_UNKNOWN_VARIABLES\
    \ = 1;\n# public const IGNORE_UNKNOWN_FUNCTIONS = 2;\n# \n# private TokenStream\
    \ $stream;\n# private array $unaryOperators;\n# private array $binaryOperators;\n\
    # private array $names;\n# private int $flags = 0;\n# \n# public function __construct(\n\
    # private array $functions,\n# ) {\n# $this->unaryOperators = [\n# 'not' => ['precedence'\
    \ => 50],\n# '!' => ['precedence' => 50],\n# '-' => ['precedence' => 500],\n#\
    \ '+' => ['precedence' => 500],\n# ];\n# $this->binaryOperators = [\n# 'or' =>\
    \ ['precedence' => 10, 'associativity' => self::OPERATOR_LEFT],\n# '||' => ['precedence'\
    \ => 10, 'associativity' => self::OPERATOR_LEFT],\n# 'and' => ['precedence' =>\
    \ 15, 'associativity' => self::OPERATOR_LEFT],\n# '&&' => ['precedence' => 15,\
    \ 'associativity' => self::OPERATOR_LEFT],\n# '|' => ['precedence' => 16, 'associativity'\
    \ => self::OPERATOR_LEFT],\n# '^' => ['precedence' => 17, 'associativity' => self::OPERATOR_LEFT],\n\
    # '&' => ['precedence' => 18, 'associativity' => self::OPERATOR_LEFT],\n# '=='\
    \ => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# '===' =>\
    \ ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# '!=' => ['precedence'\
    \ => 20, 'associativity' => self::OPERATOR_LEFT],\n# '!==' => ['precedence' =>\
    \ 20, 'associativity' => self::OPERATOR_LEFT],\n# '<' => ['precedence' => 20,\
    \ 'associativity' => self::OPERATOR_LEFT],\n# '>' => ['precedence' => 20, 'associativity'\
    \ => self::OPERATOR_LEFT],\n# '>=' => ['precedence' => 20, 'associativity' =>\
    \ self::OPERATOR_LEFT],\n# '<=' => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n\
    # 'not in' => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n\
    # 'in' => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# 'contains'\
    \ => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# 'starts\
    \ with' => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# 'ends\
    \ with' => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# 'matches'\
    \ => ['precedence' => 20, 'associativity' => self::OPERATOR_LEFT],\n# '..' =>\
    \ ['precedence' => 25, 'associativity' => self::OPERATOR_LEFT],\n# '+' => ['precedence'\
    \ => 30, 'associativity' => self::OPERATOR_LEFT],\n# '-' => ['precedence' => 30,\
    \ 'associativity' => self::OPERATOR_LEFT],\n# '~' => ['precedence' => 40, 'associativity'\
    \ => self::OPERATOR_LEFT],\n# '*' => ['precedence' => 60, 'associativity' => self::OPERATOR_LEFT],\n\
    # '/' => ['precedence' => 60, 'associativity' => self::OPERATOR_LEFT],\n# '%'\
    \ => ['precedence' => 60, 'associativity' => self::OPERATOR_LEFT],\n# '**' =>\
    \ ['precedence' => 200, 'associativity' => self::OPERATOR_RIGHT],\n# ];\n# }\n\
    # \n# /**\n# * Converts a token stream to a node tree.\n# *\n# * The valid names\
    \ is an array where the values\n# * are the names that the user can use in an\
    \ expression.\n# *\n# * If the variable name in the compiled PHP code must be\n\
    # * different, define it as the key.\n# *\n# * For instance, ['this' => 'container']\
    \ means that the\n# * variable 'container' can be used in the expression\n# *\
    \ but the compiled code will use 'this'.\n# *\n# * @param int-mask-of<Parser::IGNORE_*>\
    \ $flags\n# *\n# * @throws SyntaxError"
- name: lint
  visibility: public
  parameters:
  - name: stream
  - name: names
    default: '[]'
  - name: flags
    default: '0'
  comment: '# * Validates the syntax of an expression.

    # *

    # * The syntax of the passed expression will be checked, but not parsed.

    # * If you want to skip checking dynamic variable names, pass `Parser::IGNORE_UNKNOWN_VARIABLES`
    instead of the array.

    # *

    # * @param int-mask-of<Parser::IGNORE_*> $flags

    # *

    # * @throws SyntaxError When the passed expression is invalid'
- name: doParse
  visibility: private
  parameters:
  - name: stream
  - name: names
  - name: flags
  comment: '# * @param int-mask-of<Parser::IGNORE_*> $flags

    # *

    # * @throws SyntaxError'
- name: parseExpression
  visibility: public
  parameters:
  - name: precedence
    default: '0'
  comment: null
- name: getPrimary
  visibility: protected
  parameters: []
  comment: null
- name: parseConditionalExpression
  visibility: protected
  parameters:
  - name: expr
  comment: null
- name: parsePrimaryExpression
  visibility: public
  parameters: []
  comment: null
- name: parseArrayExpression
  visibility: public
  parameters: []
  comment: null
- name: parseHashExpression
  visibility: public
  parameters: []
  comment: null
- name: parsePostfixExpression
  visibility: public
  parameters:
  - name: node
  comment: null
- name: parseArguments
  visibility: public
  parameters: []
  comment: '# * Parses arguments.'
traits: []
interfaces:
- a