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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
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<title>
Tutorial: AST - Documentation
</title>
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<h3 class="reference-title">
php-parser
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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">
Tutorial: AST
</h1>
<section>
<header>
<h2>
AST
</h2>
</header>
<article>
<h1 id="abstract-syntax-tree">Abstract Syntax Tree</h1>
<p>You can see the AST as a DOM document, the source code of the program beeing
the graphical text output, and the DOM beeing a representation of it.</p>
<p>The main node is the program node, and it's structured like this :</p>
<pre class="prettyprint source lang-js"><code> {
"kind": "program",
"children": [
// array of nodes
]
}
</code></pre>
<h2 id="nodes">Nodes</h2>
<p>Every node has a common structure enabling you to scan them and act accordingly.</p>
<p>NOTE : This structure depends also on what options you enable.</p>
<pre class="prettyprint source lang-js"><code> {
"kind": "node name",
"loc": {
""
},
// the location node
"loc": {
"source": "original source code of the node",
"start": {
"line": 1, // 1 based
"column": 0, // 0 based
"offset": 0 // offset from the source code
},
"end": {
// same structure as start
}
},
"leadingComments": [
// array of comments nodes
]
}
</code></pre>
<h2 id="nodes-hierarchy">Nodes hierarchy</h2>
<ul>
<li><a href="#location">Location</a></li>
<li><a href="#position">Position</a></li>
<li><a href="#node">Node</a>
<ul>
<li><a href="#identifier">Identifier</a></li>
<li><a href="#traituse">TraitUse</a></li>
<li><a href="#traitalias">TraitAlias</a></li>
<li><a href="#traitprecedence">TraitPrecedence</a></li>
<li><a href="#entry">Entry</a></li>
<li><a href="#case">Case</a></li>
<li><a href="#label">Label</a></li>
<li><a href="#comment">Comment</a>
<ul>
<li><a href="#commentline">CommentLine</a></li>
<li><a href="#commentblock">CommentBlock</a></li>
</ul>
</li>
<li><a href="#error">Error</a></li>
<li><a href="#expression">Expression</a>
<ul>
<li><a href="#array">Array</a></li>
<li><a href="#variable">Variable</a></li>
<li><a href="#variadic">Variadic</a></li>
<li><a href="#constref">ConstRef</a></li>
<li><a href="#yield">Yield</a></li>
<li><a href="#yieldfrom">YieldFrom</a></li>
<li><a href="#lookup">Lookup</a>
<ul>
<li><a href="#propertylookup">PropertyLookup</a></li>
<li><a href="#staticlookup">StaticLookup</a></li>
<li><a href="#offsetlookup">OffsetLookup</a></li>
</ul>
</li>
<li><a href="#operation">Operation</a>
<ul>
<li><a href="#pre">Pre</a></li>
<li><a href="#post">Post</a></li>
<li><a href="#bin">Bin</a></li>
<li><a href="#parenthesis">Parenthesis</a></li>
<li><a href="#unary">Unary</a></li>
<li><a href="#cast">Cast</a></li>
</ul>
</li>
<li><a href="#literal">Literal</a>
<ul>
<li><a href="#boolean">Boolean</a></li>
<li><a href="#string">String</a></li>
<li><a href="#number">Number</a></li>
<li><a href="#inline">Inline</a></li>
<li><a href="#magic">Magic</a></li>
<li><a href="#nowdoc">Nowdoc</a></li>
<li><a href="#encapsed">Encapsed</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#statement">Statement</a>
<ul>
<li><a href="#eval">Eval</a></li>
<li><a href="#exit">Exit</a></li>
<li><a href="#halt">Halt</a></li>
<li><a href="#clone">Clone</a></li>
<li><a href="#declare">Declare</a></li>
<li><a href="#global">Global</a></li>
<li><a href="#static">Static</a></li>
<li><a href="#include">Include</a></li>
<li><a href="#assign">Assign</a></li>
<li><a href="#retif">RetIf</a></li>
<li><a href="#if">If</a></li>
<li><a href="#do">Do</a></li>
<li><a href="#while">While</a></li>
<li><a href="#for">For</a></li>
<li><a href="#foreach">Foreach</a></li>
<li><a href="#switch">Switch</a></li>
<li><a href="#goto">Goto</a></li>
<li><a href="#silent">Silent</a></li>
<li><a href="#try">Try</a></li>
<li><a href="#catch">Catch</a></li>
<li><a href="#throw">Throw</a></li>
<li><a href="#call">Call</a></li>
<li><a href="#closure">Closure</a></li>
<li><a href="#new">New</a></li>
<li><a href="#usegroup">UseGroup</a></li>
<li><a href="#useitem">UseItem</a></li>
<li><a href="#block">Block</a>
<ul>
<li><a href="#program">Program</a></li>
<li><a href="#namespace">Namespace</a></li>
</ul>
</li>
<li><a href="#sys">Sys</a>
<ul>
<li><a href="#echo">Echo</a></li>
<li><a href="#list">List</a></li>
<li><a href="#print">Print</a></li>
<li><a href="#isset">Isset</a></li>
<li><a href="#unset">Unset</a></li>
<li><a href="#empty">Empty</a></li>
</ul>
</li>
<li><a href="#declaration">Declaration</a>
<ul>
<li><a href="#class">Class</a></li>
<li><a href="#interface">Interface</a></li>
<li><a href="#trait">Trait</a></li>
<li><a href="#constant">Constant</a>
<ul>
<li><a href="#classconstant">ClassConstant</a></li>
</ul>
</li>
<li><a href="#function">Function</a>
<ul>
<li><a href="#method">Method</a></li>
</ul>
</li>
<li><a href="#parameter">Parameter</a></li>
<li><a href="#property">Property</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</article>
</section>
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