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parser_expr.js.html
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<!DOCTYPE html>
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parser/expr.js - Documentation
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<h3 class="reference-title">
php-parser
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<h3>Classes</h3><ul><li id="Array-nav"><a href="Array.html">Array</a><ul class='methods'><li data-type="method" id="Array-destroy-nav"><a href="Array.html#destroy">destroy</a></li><li data-type="method" id="Array-includeToken-nav"><a href="Array.html#includeToken">includeToken</a></li><li data-type="method" id="Array-setTrailingComments-nav"><a href="Array.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Assign-nav"><a href="Assign.html">Assign</a><ul class='methods'><li data-type="method" id="Assign-destroy-nav"><a href="Assign.html#destroy">destroy</a></li><li data-type="method" id="Assign-includeToken-nav"><a href="Assign.html#includeToken">includeToken</a></li><li data-type="method" id="Assign-setTrailingComments-nav"><a href="Assign.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="AST-nav"><a href="AST.html">AST</a><ul class='methods'><li data-type="method" id="AST-prepare-nav"><a href="AST.html#prepare">prepare</a></li><li 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id="DeclareDirective-destroy-nav"><a href="DeclareDirective.html#destroy">destroy</a></li><li data-type="method" id="DeclareDirective-includeToken-nav"><a href="DeclareDirective.html#includeToken">includeToken</a></li><li data-type="method" id="DeclareDirective-setTrailingComments-nav"><a href="DeclareDirective.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Do-nav"><a href="Do.html">Do</a><ul class='methods'><li data-type="method" id="Do-destroy-nav"><a href="Do.html#destroy">destroy</a></li><li data-type="method" id="Do-includeToken-nav"><a href="Do.html#includeToken">includeToken</a></li><li data-type="method" id="Do-setTrailingComments-nav"><a href="Do.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Echo-nav"><a href="Echo.html">Echo</a><ul class='methods'><li data-type="method" id="Echo-destroy-nav"><a href="Echo.html#destroy">destroy</a></li><li data-type="method" id="Echo-includeToken-nav"><a href="Echo.html#includeToken">includeToken</a></li><li data-type="method" id="Echo-setTrailingComments-nav"><a href="Echo.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Empty-nav"><a href="Empty.html">Empty</a><ul class='methods'><li data-type="method" id="Empty-destroy-nav"><a href="Empty.html#destroy">destroy</a></li><li data-type="method" id="Empty-includeToken-nav"><a href="Empty.html#includeToken">includeToken</a></li><li data-type="method" id="Empty-setTrailingComments-nav"><a href="Empty.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Encapsed-nav"><a href="Encapsed.html">Encapsed</a><ul class='methods'><li data-type="method" id="Encapsed-destroy-nav"><a href="Encapsed.html#destroy">destroy</a></li><li data-type="method" id="Encapsed-includeToken-nav"><a href="Encapsed.html#includeToken">includeToken</a></li><li data-type="method" id="Encapsed-setTrailingComments-nav"><a href="Encapsed.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="EncapsedPart-nav"><a href="EncapsedPart.html">EncapsedPart</a><ul class='methods'><li data-type="method" id="EncapsedPart-destroy-nav"><a href="EncapsedPart.html#destroy">destroy</a></li><li data-type="method" id="EncapsedPart-includeToken-nav"><a href="EncapsedPart.html#includeToken">includeToken</a></li><li data-type="method" id="EncapsedPart-setTrailingComments-nav"><a href="EncapsedPart.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="engine-nav"><a href="engine.html">engine</a><ul class='methods'><li data-type="method" id="engine-parseCode-nav"><a href="engine.html#parseCode">parseCode</a></li><li data-type="method" id="engine-parseEval-nav"><a href="engine.html#parseEval">parseEval</a></li><li data-type="method" id="engine-tokenGetAll-nav"><a href="engine.html#tokenGetAll">tokenGetAll</a></li></ul></li><li id="Entry-nav"><a href="Entry.html">Entry</a><ul class='methods'><li data-type="method" id="Entry-destroy-nav"><a href="Entry.html#destroy">destroy</a></li><li data-type="method" id="Entry-includeToken-nav"><a href="Entry.html#includeToken">includeToken</a></li><li data-type="method" id="Entry-setTrailingComments-nav"><a href="Entry.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Error-nav"><a href="Error.html">Error</a><ul class='methods'><li data-type="method" id="Error-destroy-nav"><a href="Error.html#destroy">destroy</a></li><li data-type="method" id="Error-includeToken-nav"><a href="Error.html#includeToken">includeToken</a></li><li data-type="method" id="Error-setTrailingComments-nav"><a href="Error.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Eval-nav"><a href="Eval.html">Eval</a><ul class='methods'><li data-type="method" id="Eval-destroy-nav"><a href="Eval.html#destroy">destroy</a></li><li data-type="method" id="Eval-includeToken-nav"><a href="Eval.html#includeToken">includeToken</a></li><li data-type="method" id="Eval-setTrailingComments-nav"><a href="Eval.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Exit-nav"><a href="Exit.html">Exit</a><ul class='methods'><li data-type="method" id="Exit-destroy-nav"><a href="Exit.html#destroy">destroy</a></li><li data-type="method" id="Exit-includeToken-nav"><a href="Exit.html#includeToken">includeToken</a></li><li data-type="method" id="Exit-setTrailingComments-nav"><a href="Exit.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Expression-nav"><a href="Expression.html">Expression</a><ul class='methods'><li data-type="method" id="Expression-destroy-nav"><a href="Expression.html#destroy">destroy</a></li><li data-type="method" id="Expression-includeToken-nav"><a href="Expression.html#includeToken">includeToken</a></li><li data-type="method" id="Expression-setTrailingComments-nav"><a href="Expression.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="ExpressionStatement-nav"><a href="ExpressionStatement.html">ExpressionStatement</a><ul class='methods'><li data-type="method" id="ExpressionStatement-destroy-nav"><a href="ExpressionStatement.html#destroy">destroy</a></li><li data-type="method" id="ExpressionStatement-includeToken-nav"><a href="ExpressionStatement.html#includeToken">includeToken</a></li><li data-type="method" id="ExpressionStatement-setTrailingComments-nav"><a href="ExpressionStatement.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="For-nav"><a href="For.html">For</a><ul class='methods'><li data-type="method" id="For-destroy-nav"><a href="For.html#destroy">destroy</a></li><li data-type="method" id="For-includeToken-nav"><a href="For.html#includeToken">includeToken</a></li><li data-type="method" id="For-setTrailingComments-nav"><a href="For.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Foreach-nav"><a href="Foreach.html">Foreach</a><ul class='methods'><li data-type="method" id="Foreach-destroy-nav"><a href="Foreach.html#destroy">destroy</a></li><li data-type="method" id="Foreach-includeToken-nav"><a href="Foreach.html#includeToken">includeToken</a></li><li data-type="method" id="Foreach-setTrailingComments-nav"><a href="Foreach.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Function-nav"><a href="Function.html">Function</a><ul class='methods'><li data-type="method" id="Function-destroy-nav"><a href="Function.html#destroy">destroy</a></li><li data-type="method" id="Function-includeToken-nav"><a href="Function.html#includeToken">includeToken</a></li><li data-type="method" id="Function-parseFlags-nav"><a href="Function.html#parseFlags">parseFlags</a></li><li data-type="method" id="Function-setTrailingComments-nav"><a href="Function.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Global-nav"><a href="Global_.html">Global</a><ul class='methods'><li data-type="method" id="Global-destroy-nav"><a href="Global_.html#destroy">destroy</a></li><li data-type="method" id="Global-includeToken-nav"><a href="Global_.html#includeToken">includeToken</a></li><li data-type="method" id="Global-setTrailingComments-nav"><a href="Global_.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Goto-nav"><a href="Goto.html">Goto</a><ul class='methods'><li data-type="method" id="Goto-destroy-nav"><a href="Goto.html#destroy">destroy</a></li><li data-type="method" id="Goto-includeToken-nav"><a href="Goto.html#includeToken">includeToken</a></li><li data-type="method" id="Goto-setTrailingComments-nav"><a href="Goto.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Halt-nav"><a href="Halt.html">Halt</a><ul class='methods'><li data-type="method" id="Halt-destroy-nav"><a href="Halt.html#destroy">destroy</a></li><li data-type="method" id="Halt-includeToken-nav"><a href="Halt.html#includeToken">includeToken</a></li><li data-type="method" id="Halt-setTrailingComments-nav"><a href="Halt.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Identifier-nav"><a href="Identifier.html">Identifier</a><ul class='methods'><li data-type="method" id="Identifier-destroy-nav"><a href="Identifier.html#destroy">destroy</a></li><li data-type="method" id="Identifier-includeToken-nav"><a href="Identifier.html#includeToken">includeToken</a></li><li data-type="method" id="Identifier-setTrailingComments-nav"><a href="Identifier.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="If-nav"><a href="If.html">If</a><ul class='methods'><li data-type="method" id="If-destroy-nav"><a href="If.html#destroy">destroy</a></li><li data-type="method" id="If-includeToken-nav"><a href="If.html#includeToken">includeToken</a></li><li data-type="method" id="If-setTrailingComments-nav"><a href="If.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Include-nav"><a href="Include.html">Include</a><ul class='methods'><li data-type="method" id="Include-destroy-nav"><a href="Include.html#destroy">destroy</a></li><li data-type="method" id="Include-includeToken-nav"><a href="Include.html#includeToken">includeToken</a></li><li data-type="method" id="Include-setTrailingComments-nav"><a href="Include.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Inline-nav"><a href="Inline.html">Inline</a><ul class='methods'><li data-type="method" id="Inline-destroy-nav"><a href="Inline.html#destroy">destroy</a></li><li data-type="method" id="Inline-includeToken-nav"><a href="Inline.html#includeToken">includeToken</a></li><li data-type="method" id="Inline-setTrailingComments-nav"><a href="Inline.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Interface-nav"><a href="Interface.html">Interface</a><ul class='methods'><li data-type="method" id="Interface-destroy-nav"><a href="Interface.html#destroy">destroy</a></li><li data-type="method" id="Interface-includeToken-nav"><a href="Interface.html#includeToken">includeToken</a></li><li data-type="method" id="Interface-parseFlags-nav"><a href="Interface.html#parseFlags">parseFlags</a></li><li data-type="method" id="Interface-setTrailingComments-nav"><a href="Interface.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Isset-nav"><a href="Isset.html">Isset</a><ul class='methods'><li data-type="method" id="Isset-destroy-nav"><a href="Isset.html#destroy">destroy</a></li><li data-type="method" id="Isset-includeToken-nav"><a href="Isset.html#includeToken">includeToken</a></li><li data-type="method" id="Isset-setTrailingComments-nav"><a href="Isset.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Label-nav"><a href="Label.html">Label</a><ul class='methods'><li data-type="method" id="Label-destroy-nav"><a href="Label.html#destroy">destroy</a></li><li data-type="method" id="Label-includeToken-nav"><a href="Label.html#includeToken">includeToken</a></li><li data-type="method" id="Label-setTrailingComments-nav"><a href="Label.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="lexer-nav"><a href="lexer.html">lexer</a><ul class='methods'><li data-type="method" id="lexer-getState-nav"><a href="lexer.html#getState">getState</a></li><li data-type="method" id="lexer-input-nav"><a href="lexer.html#input">input</a></li><li data-type="method" id="lexer-setInput-nav"><a href="lexer.html#setInput">setInput</a></li><li data-type="method" id="lexer-setState-nav"><a href="lexer.html#setState">setState</a></li><li data-type="method" id="lexer-unput-nav"><a href="lexer.html#unput">unput</a></li></ul></li><li id="List-nav"><a href="List.html">List</a><ul class='methods'><li data-type="method" id="List-destroy-nav"><a href="List.html#destroy">destroy</a></li><li data-type="method" id="List-includeToken-nav"><a href="List.html#includeToken">includeToken</a></li><li data-type="method" id="List-setTrailingComments-nav"><a href="List.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Literal-nav"><a href="Literal.html">Literal</a><ul class='methods'><li data-type="method" id="Literal-destroy-nav"><a href="Literal.html#destroy">destroy</a></li><li data-type="method" id="Literal-includeToken-nav"><a href="Literal.html#includeToken">includeToken</a></li><li data-type="method" id="Literal-setTrailingComments-nav"><a href="Literal.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Location-nav"><a href="Location.html">Location</a></li><li id="Lookup-nav"><a href="Lookup.html">Lookup</a><ul class='methods'><li data-type="method" id="Lookup-destroy-nav"><a href="Lookup.html#destroy">destroy</a></li><li data-type="method" id="Lookup-includeToken-nav"><a href="Lookup.html#includeToken">includeToken</a></li><li data-type="method" id="Lookup-setTrailingComments-nav"><a href="Lookup.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Magic-nav"><a href="Magic.html">Magic</a><ul class='methods'><li data-type="method" id="Magic-destroy-nav"><a href="Magic.html#destroy">destroy</a></li><li data-type="method" id="Magic-includeToken-nav"><a href="Magic.html#includeToken">includeToken</a></li><li data-type="method" id="Magic-setTrailingComments-nav"><a href="Magic.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Method-nav"><a href="Method.html">Method</a></li><li id="Namespace-nav"><a href="Namespace.html">Namespace</a><ul class='methods'><li data-type="method" id="Namespace-destroy-nav"><a href="Namespace.html#destroy">destroy</a></li><li data-type="method" id="Namespace-includeToken-nav"><a href="Namespace.html#includeToken">includeToken</a></li><li data-type="method" id="Namespace-setTrailingComments-nav"><a href="Namespace.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="New-nav"><a href="New.html">New</a><ul class='methods'><li data-type="method" id="New-destroy-nav"><a href="New.html#destroy">destroy</a></li><li data-type="method" id="New-includeToken-nav"><a href="New.html#includeToken">includeToken</a></li><li data-type="method" id="New-setTrailingComments-nav"><a href="New.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Node-nav"><a href="Node.html">Node</a><ul class='methods'><li data-type="method" id="Node-extends-nav"><a href="Node.html#.extends">extends</a></li><li data-type="method" id="Node-destroy-nav"><a href="Node.html#destroy">destroy</a></li><li data-type="method" id="Node-includeToken-nav"><a href="Node.html#includeToken">includeToken</a></li><li data-type="method" id="Node-setTrailingComments-nav"><a href="Node.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Noop-nav"><a href="Noop.html">Noop</a><ul class='methods'><li data-type="method" id="Noop-destroy-nav"><a href="Noop.html#destroy">destroy</a></li><li data-type="method" id="Noop-includeToken-nav"><a href="Noop.html#includeToken">includeToken</a></li><li data-type="method" id="Noop-setTrailingComments-nav"><a href="Noop.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="NowDoc-nav"><a href="NowDoc.html">NowDoc</a><ul class='methods'><li data-type="method" id="NowDoc-destroy-nav"><a href="NowDoc.html#destroy">destroy</a></li><li data-type="method" id="NowDoc-includeToken-nav"><a href="NowDoc.html#includeToken">includeToken</a></li><li data-type="method" id="NowDoc-setTrailingComments-nav"><a href="NowDoc.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Number-nav"><a href="Number.html">Number</a><ul class='methods'><li data-type="method" id="Number-destroy-nav"><a href="Number.html#destroy">destroy</a></li><li data-type="method" id="Number-includeToken-nav"><a href="Number.html#includeToken">includeToken</a></li><li data-type="method" id="Number-setTrailingComments-nav"><a href="Number.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="OffsetLookup-nav"><a href="OffsetLookup.html">OffsetLookup</a><ul class='methods'><li data-type="method" id="OffsetLookup-destroy-nav"><a href="OffsetLookup.html#destroy">destroy</a></li><li data-type="method" id="OffsetLookup-includeToken-nav"><a href="OffsetLookup.html#includeToken">includeToken</a></li><li data-type="method" id="OffsetLookup-setTrailingComments-nav"><a href="OffsetLookup.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Operation-nav"><a href="Operation.html">Operation</a><ul class='methods'><li data-type="method" id="Operation-destroy-nav"><a href="Operation.html#destroy">destroy</a></li><li data-type="method" id="Operation-includeToken-nav"><a href="Operation.html#includeToken">includeToken</a></li><li data-type="method" id="Operation-setTrailingComments-nav"><a href="Operation.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Parameter-nav"><a href="Parameter.html">Parameter</a><ul class='methods'><li data-type="method" id="Parameter-destroy-nav"><a href="Parameter.html#destroy">destroy</a></li><li data-type="method" id="Parameter-includeToken-nav"><a href="Parameter.html#includeToken">includeToken</a></li><li data-type="method" id="Parameter-parseFlags-nav"><a href="Parameter.html#parseFlags">parseFlags</a></li><li data-type="method" id="Parameter-setTrailingComments-nav"><a href="Parameter.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="ParentReference-nav"><a href="ParentReference.html">ParentReference</a><ul class='methods'><li data-type="method" id="ParentReference-destroy-nav"><a href="ParentReference.html#destroy">destroy</a></li><li data-type="method" id="ParentReference-includeToken-nav"><a href="ParentReference.html#includeToken">includeToken</a></li><li data-type="method" id="ParentReference-setTrailingComments-nav"><a href="ParentReference.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="parser-nav"><a href="parser.html">parser</a><ul class='methods'><li data-type="method" id="parser-error-nav"><a href="parser.html#error">error</a></li><li data-type="method" id="parser-expect-nav"><a href="parser.html#expect">expect</a></li><li data-type="method" id="parser-expectEndOfStatement-nav"><a href="parser.html#expectEndOfStatement">expectEndOfStatement</a></li><li data-type="method" id="parser-getTokenName-nav"><a href="parser.html#getTokenName">getTokenName</a></li><li data-type="method" id="parser-is-nav"><a href="parser.html#is">is</a></li><li data-type="method" id="parser-lex-nav"><a href="parser.html#lex">lex</a></li><li data-type="method" id="parser-next-nav"><a href="parser.html#next">next</a></li><li data-type="method" id="parser-node-nav"><a href="parser.html#node">node</a></li><li data-type="method" id="parser-parse-nav"><a href="parser.html#parse">parse</a></li><li data-type="method" id="parser-raiseError-nav"><a href="parser.html#raiseError">raiseError</a></li><li data-type="method" id="parser-text-nav"><a href="parser.html#text">text</a></li></ul></li><li id="Position-nav"><a href="Position.html">Position</a></li><li id="Post-nav"><a href="Post.html">Post</a><ul class='methods'><li data-type="method" id="Post-destroy-nav"><a href="Post.html#destroy">destroy</a></li><li data-type="method" id="Post-includeToken-nav"><a href="Post.html#includeToken">includeToken</a></li><li data-type="method" id="Post-setTrailingComments-nav"><a href="Post.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Pre-nav"><a href="Pre.html">Pre</a><ul class='methods'><li data-type="method" id="Pre-destroy-nav"><a href="Pre.html#destroy">destroy</a></li><li data-type="method" id="Pre-includeToken-nav"><a href="Pre.html#includeToken">includeToken</a></li><li data-type="method" id="Pre-setTrailingComments-nav"><a href="Pre.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Print-nav"><a href="Print.html">Print</a><ul class='methods'><li data-type="method" id="Print-destroy-nav"><a href="Print.html#destroy">destroy</a></li><li data-type="method" id="Print-includeToken-nav"><a href="Print.html#includeToken">includeToken</a></li><li data-type="method" id="Print-setTrailingComments-nav"><a href="Print.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Program-nav"><a href="Program.html">Program</a><ul class='methods'><li data-type="method" id="Program-destroy-nav"><a href="Program.html#destroy">destroy</a></li><li data-type="method" id="Program-includeToken-nav"><a href="Program.html#includeToken">includeToken</a></li><li data-type="method" id="Program-setTrailingComments-nav"><a href="Program.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Property-nav"><a href="Property.html">Property</a><ul class='methods'><li data-type="method" id="Property-destroy-nav"><a href="Property.html#destroy">destroy</a></li><li data-type="method" id="Property-includeToken-nav"><a href="Property.html#includeToken">includeToken</a></li><li data-type="method" id="Property-setTrailingComments-nav"><a href="Property.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="PropertyLookup-nav"><a href="PropertyLookup.html">PropertyLookup</a><ul class='methods'><li data-type="method" id="PropertyLookup-destroy-nav"><a href="PropertyLookup.html#destroy">destroy</a></li><li data-type="method" id="PropertyLookup-includeToken-nav"><a href="PropertyLookup.html#includeToken">includeToken</a></li><li data-type="method" id="PropertyLookup-setTrailingComments-nav"><a href="PropertyLookup.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="PropertyStatement-nav"><a href="PropertyStatement.html">PropertyStatement</a><ul class='methods'><li data-type="method" id="PropertyStatement-destroy-nav"><a href="PropertyStatement.html#destroy">destroy</a></li><li data-type="method" id="PropertyStatement-includeToken-nav"><a href="PropertyStatement.html#includeToken">includeToken</a></li><li data-type="method" id="PropertyStatement-parseFlags-nav"><a href="PropertyStatement.html#parseFlags">parseFlags</a></li><li data-type="method" id="PropertyStatement-setTrailingComments-nav"><a href="PropertyStatement.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Reference-nav"><a href="Reference.html">Reference</a><ul class='methods'><li data-type="method" id="Reference-destroy-nav"><a href="Reference.html#destroy">destroy</a></li><li data-type="method" id="Reference-includeToken-nav"><a href="Reference.html#includeToken">includeToken</a></li><li data-type="method" id="Reference-setTrailingComments-nav"><a href="Reference.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="RetIf-nav"><a href="RetIf.html">RetIf</a><ul class='methods'><li data-type="method" id="RetIf-destroy-nav"><a href="RetIf.html#destroy">destroy</a></li><li data-type="method" id="RetIf-includeToken-nav"><a href="RetIf.html#includeToken">includeToken</a></li><li data-type="method" id="RetIf-setTrailingComments-nav"><a href="RetIf.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Return-nav"><a href="Return.html">Return</a><ul class='methods'><li data-type="method" id="Return-destroy-nav"><a href="Return.html#destroy">destroy</a></li><li data-type="method" id="Return-includeToken-nav"><a href="Return.html#includeToken">includeToken</a></li><li data-type="method" id="Return-setTrailingComments-nav"><a href="Return.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="SelfReference-nav"><a href="SelfReference.html">SelfReference</a><ul class='methods'><li data-type="method" id="SelfReference-destroy-nav"><a href="SelfReference.html#destroy">destroy</a></li><li data-type="method" id="SelfReference-includeToken-nav"><a href="SelfReference.html#includeToken">includeToken</a></li><li data-type="method" id="SelfReference-setTrailingComments-nav"><a href="SelfReference.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Silent-nav"><a href="Silent.html">Silent</a><ul class='methods'><li data-type="method" id="Silent-destroy-nav"><a href="Silent.html#destroy">destroy</a></li><li data-type="method" id="Silent-includeToken-nav"><a href="Silent.html#includeToken">includeToken</a></li><li data-type="method" id="Silent-setTrailingComments-nav"><a href="Silent.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Statement-nav"><a href="Statement.html">Statement</a><ul class='methods'><li data-type="method" id="Statement-destroy-nav"><a href="Statement.html#destroy">destroy</a></li><li data-type="method" id="Statement-includeToken-nav"><a href="Statement.html#includeToken">includeToken</a></li><li data-type="method" id="Statement-setTrailingComments-nav"><a href="Statement.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Static-nav"><a href="Static.html">Static</a><ul class='methods'><li data-type="method" id="Static-destroy-nav"><a href="Static.html#destroy">destroy</a></li><li data-type="method" id="Static-includeToken-nav"><a href="Static.html#includeToken">includeToken</a></li><li data-type="method" id="Static-setTrailingComments-nav"><a href="Static.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="StaticLookup-nav"><a href="StaticLookup.html">StaticLookup</a><ul class='methods'><li data-type="method" id="StaticLookup-destroy-nav"><a href="StaticLookup.html#destroy">destroy</a></li><li data-type="method" id="StaticLookup-includeToken-nav"><a href="StaticLookup.html#includeToken">includeToken</a></li><li data-type="method" id="StaticLookup-setTrailingComments-nav"><a href="StaticLookup.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="StaticReference-nav"><a href="StaticReference.html">StaticReference</a><ul class='methods'><li data-type="method" id="StaticReference-destroy-nav"><a href="StaticReference.html#destroy">destroy</a></li><li data-type="method" id="StaticReference-includeToken-nav"><a href="StaticReference.html#includeToken">includeToken</a></li><li data-type="method" id="StaticReference-setTrailingComments-nav"><a href="StaticReference.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="StaticVariable-nav"><a href="StaticVariable.html">StaticVariable</a><ul class='methods'><li data-type="method" id="StaticVariable-destroy-nav"><a href="StaticVariable.html#destroy">destroy</a></li><li data-type="method" id="StaticVariable-includeToken-nav"><a href="StaticVariable.html#includeToken">includeToken</a></li><li data-type="method" id="StaticVariable-setTrailingComments-nav"><a href="StaticVariable.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="String-nav"><a href="String.html">String</a><ul class='methods'><li data-type="method" id="String-destroy-nav"><a href="String.html#destroy">destroy</a></li><li data-type="method" id="String-includeToken-nav"><a href="String.html#includeToken">includeToken</a></li><li data-type="method" id="String-setTrailingComments-nav"><a href="String.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Switch-nav"><a href="Switch.html">Switch</a><ul class='methods'><li data-type="method" id="Switch-destroy-nav"><a href="Switch.html#destroy">destroy</a></li><li data-type="method" id="Switch-includeToken-nav"><a href="Switch.html#includeToken">includeToken</a></li><li data-type="method" id="Switch-setTrailingComments-nav"><a href="Switch.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Throw-nav"><a href="Throw.html">Throw</a><ul class='methods'><li data-type="method" id="Throw-destroy-nav"><a href="Throw.html#destroy">destroy</a></li><li data-type="method" id="Throw-includeToken-nav"><a href="Throw.html#includeToken">includeToken</a></li><li data-type="method" id="Throw-setTrailingComments-nav"><a href="Throw.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Trait-nav"><a href="Trait.html">Trait</a><ul class='methods'><li data-type="method" id="Trait-destroy-nav"><a href="Trait.html#destroy">destroy</a></li><li data-type="method" id="Trait-includeToken-nav"><a href="Trait.html#includeToken">includeToken</a></li><li data-type="method" id="Trait-parseFlags-nav"><a href="Trait.html#parseFlags">parseFlags</a></li><li data-type="method" id="Trait-setTrailingComments-nav"><a href="Trait.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="TraitAlias-nav"><a href="TraitAlias.html">TraitAlias</a><ul class='methods'><li data-type="method" id="TraitAlias-destroy-nav"><a href="TraitAlias.html#destroy">destroy</a></li><li data-type="method" id="TraitAlias-includeToken-nav"><a href="TraitAlias.html#includeToken">includeToken</a></li><li data-type="method" id="TraitAlias-setTrailingComments-nav"><a href="TraitAlias.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="TraitPrecedence-nav"><a href="TraitPrecedence.html">TraitPrecedence</a><ul class='methods'><li data-type="method" id="TraitPrecedence-destroy-nav"><a href="TraitPrecedence.html#destroy">destroy</a></li><li data-type="method" id="TraitPrecedence-includeToken-nav"><a href="TraitPrecedence.html#includeToken">includeToken</a></li><li data-type="method" id="TraitPrecedence-setTrailingComments-nav"><a href="TraitPrecedence.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="TraitUse-nav"><a href="TraitUse.html">TraitUse</a><ul class='methods'><li data-type="method" id="TraitUse-destroy-nav"><a href="TraitUse.html#destroy">destroy</a></li><li data-type="method" id="TraitUse-includeToken-nav"><a href="TraitUse.html#includeToken">includeToken</a></li><li data-type="method" id="TraitUse-setTrailingComments-nav"><a href="TraitUse.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Try-nav"><a href="Try.html">Try</a><ul class='methods'><li data-type="method" id="Try-destroy-nav"><a href="Try.html#destroy">destroy</a></li><li data-type="method" id="Try-includeToken-nav"><a href="Try.html#includeToken">includeToken</a></li><li data-type="method" id="Try-setTrailingComments-nav"><a href="Try.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="TypeReference-nav"><a href="TypeReference.html">TypeReference</a><ul class='methods'><li data-type="method" id="TypeReference-destroy-nav"><a href="TypeReference.html#destroy">destroy</a></li><li data-type="method" id="TypeReference-includeToken-nav"><a href="TypeReference.html#includeToken">includeToken</a></li><li data-type="method" id="TypeReference-setTrailingComments-nav"><a href="TypeReference.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Unary-nav"><a href="Unary.html">Unary</a><ul class='methods'><li data-type="method" id="Unary-destroy-nav"><a href="Unary.html#destroy">destroy</a></li><li data-type="method" id="Unary-includeToken-nav"><a href="Unary.html#includeToken">includeToken</a></li><li data-type="method" id="Unary-setTrailingComments-nav"><a href="Unary.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Unset-nav"><a href="Unset.html">Unset</a><ul class='methods'><li data-type="method" id="Unset-destroy-nav"><a href="Unset.html#destroy">destroy</a></li><li data-type="method" id="Unset-includeToken-nav"><a href="Unset.html#includeToken">includeToken</a></li><li data-type="method" id="Unset-setTrailingComments-nav"><a href="Unset.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="UseGroup-nav"><a href="UseGroup.html">UseGroup</a><ul class='methods'><li data-type="method" id="UseGroup-destroy-nav"><a href="UseGroup.html#destroy">destroy</a></li><li data-type="method" id="UseGroup-includeToken-nav"><a href="UseGroup.html#includeToken">includeToken</a></li><li data-type="method" id="UseGroup-setTrailingComments-nav"><a href="UseGroup.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="UseItem-nav"><a href="UseItem.html">UseItem</a><ul class='methods'><li data-type="method" id="UseItem-destroy-nav"><a href="UseItem.html#destroy">destroy</a></li><li data-type="method" id="UseItem-includeToken-nav"><a href="UseItem.html#includeToken">includeToken</a></li><li data-type="method" id="UseItem-setTrailingComments-nav"><a href="UseItem.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Variable-nav"><a href="Variable.html">Variable</a><ul class='methods'><li data-type="method" id="Variable-destroy-nav"><a href="Variable.html#destroy">destroy</a></li><li data-type="method" id="Variable-includeToken-nav"><a href="Variable.html#includeToken">includeToken</a></li><li data-type="method" id="Variable-setTrailingComments-nav"><a href="Variable.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="variadic-nav"><a href="variadic.html">variadic</a><ul class='methods'><li data-type="method" id="variadic-destroy-nav"><a href="variadic.html#destroy">destroy</a></li><li data-type="method" id="variadic-includeToken-nav"><a href="variadic.html#includeToken">includeToken</a></li><li data-type="method" id="variadic-setTrailingComments-nav"><a href="variadic.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="While-nav"><a href="While.html">While</a><ul class='methods'><li data-type="method" id="While-destroy-nav"><a href="While.html#destroy">destroy</a></li><li data-type="method" id="While-includeToken-nav"><a href="While.html#includeToken">includeToken</a></li><li data-type="method" id="While-setTrailingComments-nav"><a href="While.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="Yield-nav"><a href="Yield.html">Yield</a><ul class='methods'><li data-type="method" id="Yield-destroy-nav"><a href="Yield.html#destroy">destroy</a></li><li data-type="method" id="Yield-includeToken-nav"><a href="Yield.html#includeToken">includeToken</a></li><li data-type="method" id="Yield-setTrailingComments-nav"><a href="Yield.html#setTrailingComments">setTrailingComments</a></li></ul></li><li id="YieldFrom-nav"><a href="YieldFrom.html">YieldFrom</a><ul class='methods'><li data-type="method" id="YieldFrom-destroy-nav"><a href="YieldFrom.html#destroy">destroy</a></li><li data-type="method" id="YieldFrom-includeToken-nav"><a href="YieldFrom.html#includeToken">includeToken</a></li><li data-type="method" id="YieldFrom-setTrailingComments-nav"><a href="YieldFrom.html#setTrailingComments">setTrailingComments</a></li></ul></li></ul><h3 id="global-nav">Global</h3><ul><li><a href="global.html#FULL_QUALIFIED_NAME">FULL_QUALIFIED_NAME</a></li><li><a href="global.html#getStringBuffer">getStringBuffer</a></li><li><a href="global.html#ignoreStack">ignoreStack</a></li><li><a href="global.html#MODE_BLOCK">MODE_BLOCK</a></li><li><a href="global.html#MODE_NONE">MODE_NONE</a></li><li><a href="global.html#MODE_SHORT">MODE_SHORT</a></li><li><a href="global.html#QUALIFIED_NAME">QUALIFIED_NAME</a></li><li><a href="global.html#RELATIVE_NAME">RELATIVE_NAME</a></li><li><a href="global.html#TYPE_CONST">TYPE_CONST</a></li><li><a href="global.html#TYPE_FUNC">TYPE_FUNC</a></li><li><a href="global.html#TYPE_HEREDOC">TYPE_HEREDOC</a></li><li><a href="global.html#TYPE_OFFSET">TYPE_OFFSET</a></li><li><a href="global.html#TYPE_SHELL">TYPE_SHELL</a></li><li><a href="global.html#TYPE_STRING">TYPE_STRING</a></li><li><a href="global.html#UNQUALIFIED_NAME">UNQUALIFIED_NAME</a></li></ul>
</nav>
<div id="main">
<h1 class="page-title">
parser/expr.js
</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Copyright (C) 2018 Glayzzle (BSD3 License)
* @authors https://github.com/glayzzle/php-parser/graphs/contributors
* @url http://glayzzle.com
*/
"use strict";
module.exports = {
read_expr: function(expr) {
const result = this.node();
if (!expr) {
expr = this.read_expr_item();
}
// binary operations
if (this.token === "|")
return result("bin", "|", expr, this.next().read_expr());
if (this.token === "&")
return result("bin", "&", expr, this.next().read_expr());
if (this.token === "^")
return result("bin", "^", expr, this.next().read_expr());
if (this.token === ".")
return result("bin", ".", expr, this.next().read_expr());
if (this.token === "+")
return result("bin", "+", expr, this.next().read_expr());
if (this.token === "-")
return result("bin", "-", expr, this.next().read_expr());
if (this.token === "*")
return result("bin", "*", expr, this.next().read_expr());
if (this.token === "/")
return result("bin", "/", expr, this.next().read_expr());
if (this.token === "%")
return result("bin", "%", expr, this.next().read_expr());
if (this.token === this.tok.T_POW)
return result("bin", "**", expr, this.next().read_expr());
if (this.token === this.tok.T_SL)
return result("bin", "<<", expr, this.next().read_expr());
if (this.token === this.tok.T_SR)
return result("bin", ">>", expr, this.next().read_expr());
// more binary operations (formerly bool)
if (this.token === this.tok.T_BOOLEAN_OR)
return result("bin", "||", expr, this.next().read_expr());
if (this.token === this.tok.T_LOGICAL_OR)
return result("bin", "or", expr, this.next().read_expr());
if (this.token === this.tok.T_BOOLEAN_AND)
return result("bin", "&&", expr, this.next().read_expr());
if (this.token === this.tok.T_LOGICAL_AND)
return result("bin", "and", expr, this.next().read_expr());
if (this.token === this.tok.T_LOGICAL_XOR)
return result("bin", "xor", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_IDENTICAL)
return result("bin", "===", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_NOT_IDENTICAL)
return result("bin", "!==", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_EQUAL)
return result("bin", "==", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_NOT_EQUAL)
return result("bin", "!=", expr, this.next().read_expr());
if (this.token === "<")
return result("bin", "<", expr, this.next().read_expr());
if (this.token === ">")
return result("bin", ">", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_SMALLER_OR_EQUAL)
return result("bin", "<=", expr, this.next().read_expr());
if (this.token === this.tok.T_IS_GREATER_OR_EQUAL)
return result("bin", ">=", expr, this.next().read_expr());
if (this.token === this.tok.T_SPACESHIP)
return result("bin", "<=>", expr, this.next().read_expr());
if (this.token === this.tok.T_INSTANCEOF) {
expr = result(
"bin",
"instanceof",
expr,
this.next().read_class_name_reference()
);
if (
this.token !== ";" &&
this.token !== this.tok.T_INLINE_HTML &&
this.token !== this.EOF
) {
expr = this.read_expr(expr);
}
}
// extra operations :
// $username = $_GET['user'] ?? 'nobody';
if (this.token === this.tok.T_COALESCE)
return result("bin", "??", expr, this.next().read_expr());
// extra operations :
// $username = $_GET['user'] ? true : false;
if (this.token === "?") {
let trueArg = null;
if (this.next().token !== ":") {
trueArg = this.read_expr();
}
this.expect(":") && this.next();
return result("retif", expr, trueArg, this.read_expr());
} else {
// see #193
result.destroy(expr);
}
return expr;
},
/**
* Reads a cast expression
*/
read_expr_cast: function(type) {
return this.node("cast")(type, this.text(), this.next().read_expr());
},
/**
* ```ebnf
* Reads an expression
* expr ::= @todo
* ```
*/
read_expr_item: function() {
let result, expr;
if (this.token === "@") return this.node("silent")(this.next().read_expr());
if (this.token === "+")
return this.node("unary")("+", this.next().read_expr());
if (this.token === "-")
return this.node("unary")("-", this.next().read_expr());
if (this.token === "!")
return this.node("unary")("!", this.next().read_expr());
if (this.token === "~")
return this.node("unary")("~", this.next().read_expr());
if (this.token === "(") {
expr = this.next().read_expr();
expr.parenthesizedExpression = true;
this.expect(")") && this.next();
return this.handleDereferencable(expr);
}
if (this.token === "`") {
// https://github.com/php/php-src/blob/master/Zend/zend_language_parser.y#L1048
return this.read_encapsed_string("`");
}
if (this.token === this.tok.T_LIST) {
let assign = null;
const isInner = this.innerList;
result = this.node("list");
if (!isInner) {
assign = this.node("assign");
}
if (this.next().expect("(")) {
this.next();
}
if (!this.innerList) this.innerList = true;
// reads inner items
const assignList = this.read_array_pair_list(false);
if (this.expect(")")) {
this.next();
}
// check if contains at least one assignment statement
let hasItem = false;
for (let i = 0; i < assignList.length; i++) {
if (assignList[i] !== null && assignList[i].kind !== "noop") {
hasItem = true;
break;
}
}
if (!hasItem) {
this.raiseError(
"Fatal Error : Cannot use empty list on line " +
this.lexer.yylloc.first_line
);
}
// handles the node resolution
if (!isInner) {
this.innerList = false;
if (this.expect("=")) {
return assign(
result(assignList, false),
this.next().read_expr(),
"="
);
} else {
// error fallback : list($a, $b);
return result(assignList, false);
}
} else {
return result(assignList, false);
}
}
if (this.token === this.tok.T_CLONE)
return this.node("clone")(this.next().read_expr());
switch (this.token) {
case this.tok.T_INC:
return this.node("pre")(
"+",
this.next().read_variable(false, false, false)
);
case this.tok.T_DEC:
return this.node("pre")(
"-",
this.next().read_variable(false, false, false)
);
case this.tok.T_NEW:
return this.read_new_expr();
case this.tok.T_ISSET: {
result = this.node("isset");
if (this.next().expect("(")) {
this.next();
}
const variables = this.read_list(this.read_expr, ",");
if (this.expect(")")) {
this.next();
}
return result(variables);
}
case this.tok.T_EMPTY: {
result = this.node("empty");
if (this.next().expect("(")) {
this.next();
}
const expression = this.read_expr();
if (this.expect(")")) {
this.next();
}
return result(expression);
}
case this.tok.T_INCLUDE:
return this.node("include")(false, false, this.next().read_expr());
case this.tok.T_INCLUDE_ONCE:
return this.node("include")(true, false, this.next().read_expr());
case this.tok.T_REQUIRE:
return this.node("include")(false, true, this.next().read_expr());
case this.tok.T_REQUIRE_ONCE:
return this.node("include")(true, true, this.next().read_expr());
case this.tok.T_EVAL:
result = this.node("eval");
if (this.next().expect("(")) {
this.next();
}
expr = this.read_expr();
if (this.expect(")")) {
this.next();
}
return result(expr);
case this.tok.T_INT_CAST:
return this.read_expr_cast("int");
case this.tok.T_DOUBLE_CAST:
return this.read_expr_cast("float");
case this.tok.T_STRING_CAST:
return this.read_expr_cast(
this.text().indexOf("binary") !== -1 ? "binary" : "string"
);
case this.tok.T_ARRAY_CAST:
return this.read_expr_cast("array");
case this.tok.T_OBJECT_CAST:
return this.read_expr_cast("object");
case this.tok.T_BOOL_CAST:
return this.read_expr_cast("bool");
case this.tok.T_UNSET_CAST:
return this.read_expr_cast("unset");
case this.tok.T_EXIT: {
const useDie = this.lexer.yytext.toLowerCase() === "die";
result = this.node("exit");
let status = null;
if (this.next().token === "(") {
if (this.next().token !== ")") {
status = this.read_expr();
if (this.expect(")")) {
this.next();
}
} else {
this.next();
}
}
return result(status, useDie);
}
case this.tok.T_PRINT:
return this.node("print")(this.next().read_expr());
// T_YIELD (expr (T_DOUBLE_ARROW expr)?)?
case this.tok.T_YIELD: {
let value = null;
let key = null;
result = this.node("yield");
if (this.next().is("EXPR")) {
// reads the yield return value
value = this.read_expr();
if (this.token === this.tok.T_DOUBLE_ARROW) {
// reads the yield returned key
key = value;
value = this.next().read_expr();
}
}
return result(value, key);
}
// T_YIELD_FROM expr
case this.tok.T_YIELD_FROM:
result = this.node("yieldfrom");
expr = this.next().read_expr();
return result(expr);
case this.tok.T_FUNCTION:
return this.read_function(true);
case this.tok.T_STATIC: {
const backup = [this.token, this.lexer.getState()];
if (this.next().token === this.tok.T_FUNCTION) {
// handles static function
return this.read_function(true, [0, 1, 0]);
} else {
// rollback
this.lexer.tokens.push(backup);
this.next();
}
}
}
// SCALAR | VARIABLE
if (this.is("VARIABLE")) {
result = this.node();
expr = this.read_variable(false, false, false);
// https://github.com/php/php-src/blob/master/Zend/zend_language_parser.y#L877
// should accept only a variable
const isConst =
expr.kind === "identifier" ||
(expr.kind === "staticlookup" && expr.offset.kind === "identifier");
// VARIABLES SPECIFIC OPERATIONS
switch (this.token) {
case "=": {
if (isConst) this.error("VARIABLE");
let right;
if (this.next().token == "&") {
if (this.next().token === this.tok.T_NEW) {
if (this.php7) {
this.error();
}
right = this.read_new_expr();
} else {
right = this.read_variable(false, false, true);
}
} else {
right = this.read_expr();
}
return result("assign", expr, right, "=");
}
// operations :
case this.tok.T_PLUS_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "+=");
case this.tok.T_MINUS_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "-=");
case this.tok.T_MUL_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "*=");
case this.tok.T_POW_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "**=");
case this.tok.T_DIV_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "/=");
case this.tok.T_CONCAT_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), ".=");
case this.tok.T_MOD_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "%=");
case this.tok.T_AND_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "&=");
case this.tok.T_OR_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "|=");
case this.tok.T_XOR_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "^=");
case this.tok.T_SL_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), "<<=");
case this.tok.T_SR_EQUAL:
if (isConst) this.error("VARIABLE");
return result("assign", expr, this.next().read_expr(), ">>=");
case this.tok.T_INC:
if (isConst) this.error("VARIABLE");
this.next();
return result("post", "+", expr);
case this.tok.T_DEC:
if (isConst) this.error("VARIABLE");
this.next();
return result("post", "-", expr);
default:
// see #193
result.destroy(expr);
}
} else if (this.is("SCALAR")) {
result = this.node();
expr = this.read_scalar();
if (expr.kind === "array" && expr.shortForm && this.token === "=") {
// list assign
const list = this.node("list")(expr.items, true);
if (expr.loc) list.loc = expr.loc;
const right = this.next().read_expr();
return result("assign", list, right, "=");
} else {
// see #189 - swap docs on nodes
result.destroy(expr);
}
// classic array
return this.handleDereferencable(expr);
} else {
this.error("EXPR");
this.next();
}
// returns variable | scalar
return expr;
},
/**
* ```ebnf
* new_expr ::= T_NEW (namespace_name function_argument_list) | (T_CLASS ... class declaration)
* ```
* https://github.com/php/php-src/blob/master/Zend/zend_language_parser.y#L850
*/
read_new_expr: function() {
const result = this.node("new");
this.expect(this.tok.T_NEW) && this.next();
let args = [];
if (this.token === this.tok.T_CLASS) {
const what = this.node("class");
// Annonymous class declaration
let propExtends = null,
propImplements = null,
body = null;
if (this.next().token === "(") {
args = this.read_function_argument_list();
}
if (this.token == this.tok.T_EXTENDS) {
propExtends = this.next().read_namespace_name();
}
if (this.token == this.tok.T_IMPLEMENTS) {
propImplements = this.next().read_name_list();
}
if (this.expect("{")) {
body = this.next().read_class_body();
}
return result(
what(null, propExtends, propImplements, body, [0, 0, 0]),
args
);
}
// Already existing class
const name = this.read_new_class_name();
if (this.token === "(") {
args = this.read_function_argument_list();
}
return result(name, args);
},
/**
* Reads a class name
* ```ebnf
* read_new_class_name ::= namespace_name | variable
* ```
*/
read_new_class_name: function() {
if (
this.token === this.tok.T_NS_SEPARATOR ||
this.token === this.tok.T_STRING ||
this.token === this.tok.T_NAMESPACE
) {
let result = this.read_namespace_name(true);
if (this.token === this.tok.T_DOUBLE_COLON) {
result = this.read_static_getter(result);
}
return result;
} else if (this.is("VARIABLE")) {
return this.read_variable(true, false, false);
} else {
this.expect([this.tok.T_STRING, "VARIABLE"]);
}
},
handleDereferencable: function(expr) {
while (this.token !== this.EOF) {
if (
this.token === this.tok.T_OBJECT_OPERATOR ||
this.token === this.tok.T_DOUBLE_COLON
) {
expr = this.recursive_variable_chain_scan(expr, false, false, true);
} else if (this.token === this.tok.T_CURLY_OPEN || this.token === "[") {
expr = this.read_dereferencable(expr);
} else if (this.token === "(") {
// https://github.com/php/php-src/blob/master/Zend/zend_language_parser.y#L1118
expr = this.node("call")(expr, this.read_function_argument_list());
} else {
return expr;
}
}
return expr;
}
};
</code></pre>
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