diff options
Diffstat (limited to 'files/ja/mozilla/projects/spidermonkey/parser_api/index.html')
| -rw-r--r-- | files/ja/mozilla/projects/spidermonkey/parser_api/index.html | 1698 |
1 files changed, 0 insertions, 1698 deletions
diff --git a/files/ja/mozilla/projects/spidermonkey/parser_api/index.html b/files/ja/mozilla/projects/spidermonkey/parser_api/index.html deleted file mode 100644 index 81b308c6f6..0000000000 --- a/files/ja/mozilla/projects/spidermonkey/parser_api/index.html +++ /dev/null @@ -1,1698 +0,0 @@ ---- -title: Parser API -slug: Mozilla/Projects/SpiderMonkey/Parser_API -tags: - - API - - Guide - - JavaScript - - SpiderMonkey -translation_of: Mozilla/Projects/SpiderMonkey/Parser_API ---- -<div>{{SpiderMonkeySidebar}}</div> - -<div class="summary"> -<p>最近の<a href="/ja/docs/Mozilla/Projects/SpiderMonkey/Build_Documentation">スタンドアロンの SpiderMonkey シェル</a>のビルドには、SpiderMonkey パーサーを反映したものが含まれています。これは JavaScript API として提供されています。これにより、シンタックスハイライト、静的解析、トランスレータ、コンパイラ、難読化ツールなど、JavaScript ソースプログラムを操作するツールを JavaScript で記述することが簡単になります。</p> -</div> - -<div class="note"> -<p><strong>メモ:</strong> このページは SpiderMonkey 特有の振る舞いについて説明しており、不完全かもしれません。最新の ECMAScript 機能を含み、SpiderMonkey フォーマットとの下位互換性があるコミュニティ AST 規格については、<a href="https://github.com/estree/estree">ESTree の仕様</a>をご覧ください。</p> -</div> - -<p>例:</p> - -<pre class="notranslate">> var expr = Reflect.parse("obj.foo + 42").body[0].expression -> expr.left.property -({loc:null, type:"Identifier", name:"foo"}) -> expr.right -({loc:{source:null, start:{line:1, column:10}, end:{line:1, column:12}}, type:"Literal", value:42}) -</pre> - -<p>Firefox 7 以降も利用可能です。次のようにしてグローバルオブジェクトにインポートすることができます。</p> - -<pre class="notranslate">Components.utils.import("resource://gre/modules/reflect.jsm") -</pre> - -<p>または指定されたオブジェクトへ:</p> - -<pre class="notranslate">Components.utils.import("resource://gre/modules/reflect.jsm", obj) -</pre> - -<h2 id="組み込みオブジェクト">組み込みオブジェクト</h2> - -<p>SpiderMonkey シェルであっても Firefox (インポート後) であっても、グローバルシングルトンオブジェクト <code>Reflect</code> は現在 <code>parse</code> メソッドだけを含んでいます。</p> - -<h2 id="Reflect_オブジェクトのプロパティ"><code>Reflect</code> オブジェクトのプロパティ</h2> - -<p><code>Reflect</code> オブジェクトは現在単一のメソッドで構成されています。</p> - -<h4 id="Reflect.parsesrc_options"><code>Reflect.parse(src[, options])</code></h4> - -<p><strong><span style="font-family: Courier New;">src</span></strong> を文字列に強制し、結果を JavaScript プログラムとして解析します。デフォルトでは、解析にされた抽象構文ツリー (AST) を表す Program オブジェクト（以下を参照）が返されます。</p> - -<p>追加のオプションは、以下のプロパティのいずれかを含めることができる <strong><span style="font-family: Courier New;">options</span></strong> オブジェクトを介して提供可能です:</p> - -<table style="border-color: #edf2f7; border-style: solid; border-width: 1px; width: 67%;"> - <tbody> - <tr style="background-color: rgb(241, 246, 251);"> - <td><strong><span style="font-family: Courier New;">loc</span></strong></td> - <td>Boolean</td> - <td>Default: <span style="font-family: Courier New;">true</span></td> - </tr> - <tr> - <td colspan="3">When <strong><span style="font-family: Courier New;">loc</span></strong> is <span style="font-family: Courier New;">true</span>, the parser includes source location information in the returned AST nodes.</td> - </tr> - <tr style="background-color: rgb(241, 246, 251);"> - <td><strong><span style="font-family: Courier New;">source</span></strong></td> - <td>String</td> - <td>Default: <span style="font-family: Courier New;">null</span></td> - </tr> - <tr> - <td colspan="3">A description of the input source; typically a filename, path, or URL. This string is not meaningful to the parsing process, but is produced as part of the source location information in the returned AST nodes.</td> - </tr> - <tr style="background-color: rgb(241, 246, 251);"> - <td><strong><span style="font-family: Courier New;">line</span></strong></td> - <td>Number</td> - <td>Default: <span style="font-family: Courier New;">1</span></td> - </tr> - <tr> - <td colspan="3">The initial line number to use for source location information.</td> - </tr> - <tr style="background-color: rgb(241, 246, 251);"> - <td><strong><span style="font-family: Courier New;">builder</span></strong></td> - <td>Builder</td> - <td>Default: <span style="font-family: Courier New;">null</span></td> - </tr> - <tr> - <td colspan="3"> - <p>A builder object, which can be used to produce AST nodes in custom data formats. The expected callback methods are described under <a href="/en/SpiderMonkey/Parser_API#Builder_objects" title="en/SpiderMonkey/Parser API#Builder objects">Builder Objects</a>.</p> - </td> - </tr> - <tr style="background-color: rgb(241, 246, 251);"> - <td><strong><span style="font-family: Courier New;">target</span></strong></td> - <td>String</td> - <td>Default: <span style="font-family: Courier New;">script</span></td> - </tr> - <tr> - <td colspan="3"> - <p>A type of the parsing target, can be either <span style="font-family: Courier New;">script</span> or <span style="font-family: Courier New;">module</span>.</p> - </td> - </tr> - </tbody> -</table> - -<p>If parsing fails due to a syntax error, an instance of <code>SyntaxError</code> is thrown. The syntax error object thrown by <code>Reflect.parse()</code> has the same <code>message</code> property as the syntax error that would be thrown by <code>eval(src)</code>. The <code>lineNumber</code> and <code>fileName</code> properties of the syntax error object indicate the source location of the syntax error.</p> - -<h2 id="Node_オブジェクト">Node オブジェクト</h2> - -<p>By default, <code>Reflect.parse()</code> produces Node objects, which are plain JavaScript objects (i.e., their prototype derives from the standard <code>Object</code> prototype). All node types implement the following interface:</p> - -<pre class="notranslate">interface Node { - type: string; - loc: SourceLocation | null; -} -</pre> - -<p>The <code>type</code> field is a string representing the AST variant type. Each subtype of Node is documented below with the specific string of its <code>type</code> field. You can use this field to determine which interface a node implements.</p> - -<p>The <code>loc</code> field represents the source location information of the node. If the parser produced no information about the node's source location, the field is <code>null</code>; otherwise it is an object consisting of a start position (the position of the first character of the parsed source region) and an end position (the position of the first character <em>after</em> the parsed source region):</p> - -<pre class="notranslate">interface SourceLocation { - source: string | null; - start: Position; - end: Position; -} -</pre> - -<p>Each <code>Position</code> object consists of a <code>line</code> number (1-indexed) and a <code>column</code> number (0-indexed):</p> - -<pre class="notranslate">interface Position { - line: uint32 >= 1; - column: uint32 >= 0; -}</pre> - -<h3 id="Programs">Programs</h3> - -<pre class="notranslate">interface Program <: Node { - type: "Program"; - body: [ Statement ]; -} -</pre> - -<p>A complete program source tree.</p> - -<h3 id="Functions">Functions</h3> - -<pre class="notranslate">interface Function <: Node { - id: Identifier | null; - params: [ Pattern ]; - defaults: [ Expression ]; - rest: Identifier | null; - body: BlockStatement | Expression; - generator: boolean; - expression: boolean; -} -</pre> - -<p>A function declaration or expression. The <code>body</code> of the function may be a block statement, or in the case of an <a href="/en/JavaScript/New_in_JavaScript/1.8#Expression_closures_%28Merge_into_own_page.2fsection%29" title="https://developer.mozilla.org/en/new_in_javascript_1.8#Expression_closures_(Merge_into_own_page.2fsection)">expression closure</a>, an expression.</p> - -<div class="note"><strong>メモ:</strong> Expression closures are SpiderMonkey-specific.</div> - -<p>If the <code>generator</code> flag is <code>true</code>, the function is a <a href="/en/JavaScript/Guide/Iterators_and_Generators" title="https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Iterators_and_Generators">generator function</a>, i.e., contains a <code>yield</code> expression in its body (other than in a nested function).</p> - -<div class="note"><strong>メモ:</strong> Generators are SpiderMonkey-specific.</div> - -<p>If the <code>expression</code> flag is <code>true</code>, the function is an expression closure and the <code>body</code> field is an expression.</p> - -<h3 id="Statements">Statements</h3> - -<pre class="notranslate">interface Statement <: Node { } -</pre> - -<p>Any statement.</p> - -<pre class="notranslate">interface EmptyStatement <: Statement { - type: "EmptyStatement"; -} -</pre> - -<p>An empty statement, i.e., a solitary semicolon.</p> - -<pre class="notranslate">interface BlockStatement <: Statement { - type: "BlockStatement"; - body: [ Statement ]; -} -</pre> - -<p>A block statement, i.e., a sequence of statements surrounded by braces.</p> - -<pre class="notranslate">interface ExpressionStatement <: Statement { - type: "ExpressionStatement"; - expression: Expression; -} -</pre> - -<p>An expression statement, i.e., a statement consisting of a single expression.</p> - -<pre class="notranslate">interface IfStatement <: Statement { - type: "IfStatement"; - test: Expression; - consequent: Statement; - alternate: Statement | null; -} -</pre> - -<p>An <code>if</code> statement.</p> - -<pre class="notranslate">interface LabeledStatement <: Statement { - type: "LabeledStatement"; - label: Identifier; - body: Statement; -} -</pre> - -<p>A labeled statement, i.e., a statement prefixed by a <code>break</code>/<code>continue</code> label.</p> - -<pre class="notranslate">interface BreakStatement <: Statement { - type: "BreakStatement"; - label: Identifier | null; -} -</pre> - -<p>A <code>break</code> statement.</p> - -<pre class="notranslate">interface ContinueStatement <: Statement { - type: "ContinueStatement"; - label: Identifier | null; -} -</pre> - -<p>A <code>continue</code> statement.</p> - -<pre class="notranslate">interface WithStatement <: Statement { - type: "WithStatement"; - object: Expression; - body: Statement; -} -</pre> - -<p>A <code>with</code> statement.</p> - -<pre class="notranslate">interface SwitchStatement <: Statement { - type: "SwitchStatement"; - discriminant: Expression; - cases: [ SwitchCase ]; - lexical: boolean; -} -</pre> - -<p>A <code>switch</code> statement. The lexical flag is metadata indicating whether the <code>switch</code> statement contains any unnested <code>let</code> 宣言 (and therefore introduces a new lexical scope).</p> - -<pre class="notranslate">interface ReturnStatement <: Statement { - type: "ReturnStatement"; - argument: Expression | null; -} -</pre> - -<p>A <code>return</code> statement.</p> - -<pre class="notranslate">interface ThrowStatement <: Statement { - type: "ThrowStatement"; - argument: Expression; -} -</pre> - -<p>A <code>throw</code> statement.</p> - -<pre class="notranslate">interface TryStatement <: Statement { - type: "TryStatement"; - block: BlockStatement; - handler: CatchClause | null; - guardedHandlers: [ CatchClause ]; - finalizer: BlockStatement | null; -} -</pre> - -<p>A <code>try</code> statement.</p> - -<div class="note"><strong>メモ:</strong> Multiple <code>catch</code> clauses are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface WhileStatement <: Statement { - type: "WhileStatement"; - test: Expression; - body: Statement; -} -</pre> - -<p>A <code>while</code> statement.</p> - -<pre class="notranslate">interface DoWhileStatement <: Statement { - type: "DoWhileStatement"; - body: Statement; - test: Expression; -} -</pre> - -<p>A <code>do</code>/<code>while</code> statement.</p> - -<pre class="notranslate">interface ForStatement <: Statement { - type: "ForStatement"; - init: VariableDeclaration | Expression | null; - test: Expression | null; - update: Expression | null; - body: Statement; -} -</pre> - -<p>A <code>for</code> statement.</p> - -<pre class="notranslate">interface ForInStatement <: Statement { - type: "ForInStatement"; - left: VariableDeclaration | Expression; - right: Expression; - body: Statement; - each: boolean; -} -</pre> - -<p>A <code>for</code>/<code>in</code> statement, or, if <code>each</code> is <code>true</code>, a <code>for each</code>/<code>in</code> statement.</p> - -<div class="note"><strong>メモ:</strong> The <code>for each</code> form is SpiderMonkey-specific.</div> - -<pre class="notranslate">interface ForOfStatement <: Statement { - type: "ForOfStatement"; - left: VariableDeclaration | Expression; - right: Expression; - body: Statement; -}</pre> - -<p>A <code>for</code>/<code>of</code> statement.</p> - -<pre class="notranslate">interface LetStatement <: Statement { - type: "LetStatement"; - head: [ VariableDeclarator ]; - body: Statement; -} -</pre> - -<p>A <code>let</code> statement.</p> - -<div class="note"><strong>メモ:</strong> The <code>let</code> statement form is SpiderMonkey-specific.</div> - -<pre class="notranslate">interface DebuggerStatement <: Statement { - type: "DebuggerStatement"; -} -</pre> - -<p>A <code>debugger</code> statement.</p> - -<div class="note"><strong>メモ:</strong> The <code>debugger</code> statement is new in ECMAScript 5th edition, although SpiderMonkey has supported it for years.</div> - -<h3 id="宣言">宣言</h3> - -<pre class="notranslate">interface Declaration <: Statement { } -</pre> - -<p>Any declaration node. Note that 宣言 are considered statements; this is because 宣言 can appear in any statement context in the language recognized by the SpiderMonkey parser.</p> - -<div class="note"><strong>メモ:</strong> 宣言 in arbitrary nested scopes are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface FunctionDeclaration <: Function, Declaration { - type: "FunctionDeclaration"; - id: Identifier; - params: [ Pattern ]; - defaults: [ Expression ]; - rest: Identifier | null; - body: BlockStatement | Expression; - generator: boolean; - expression: boolean; -} -</pre> - -<p>A function declaration.</p> - -<div class="note"><strong>メモ:</strong> The <code>id</code> field cannot be <code>null</code>.</div> - -<pre class="notranslate">interface VariableDeclaration <: Declaration { - type: "VariableDeclaration"; - 宣言: [ VariableDeclarator ]; - kind: "var" | "let" | "const"; -} -</pre> - -<p>A variable declaration, via one of <code>var</code>, <code>let</code>, or <code>const</code>.</p> - -<pre class="notranslate">interface VariableDeclarator <: Node { - type: "VariableDeclarator"; - id: Pattern; - init: Expression | null; -} -</pre> - -<p>A variable declarator.</p> - -<div class="note"><strong>メモ:</strong> The <code>id</code> field cannot be <code>null</code>.</div> - -<div class="note"><strong>メモ:</strong> <code>let</code> and <code>const</code> are SpiderMonkey-specific.</div> - -<h3 id="Expressions">Expressions</h3> - -<pre class="notranslate">interface Expression <: Node, Pattern { }</pre> - -<p>Any expression node. Since the left-hand side of an assignment may be any expression in general, an expression can also be a pattern.</p> - -<pre class="notranslate">interface ThisExpression <: Expression { - type: "ThisExpression"; -} -</pre> - -<p>A <code>this</code> expression.</p> - -<pre class="notranslate">interface ArrayExpression <: Expression { - type: "ArrayExpression"; - elements: [ Expression | null ]; -}</pre> - -<p>An array expression.</p> - -<pre class="notranslate">interface ObjectExpression <: Expression { - type: "ObjectExpression"; - properties: [ Property ]; -}</pre> - -<p>An object expression.</p> - -<pre class="notranslate">interface Property <: Node { - type: "Property"; - key: Literal | Identifier; - value: Expression; - kind: "init" | "get" | "set"; -}</pre> - -<p>A literal property in an object expression can have either a string or number as its <code>value</code>. Ordinary property initializers have a <code>kind</code> value <code>"init"</code>; getters and setters have the <code>kind</code> values <code>"get"</code> and <code>"set"</code>, respectively.</p> - -<pre class="notranslate">interface FunctionExpression <: Function, Expression { - type: "FunctionExpression"; - id: Identifier | null; - params: [ Pattern ]; - defaults: [ Expression ]; - rest: Identifier | null; - body: BlockStatement | Expression; - generator: boolean; - expression: boolean; -} -</pre> - -<p>A function expression.</p> - -<pre class="notranslate">interface ArrowExpression <: Function, Expression { - type: "ArrowExpression"; - params: [ Pattern ]; - defaults: [ Expression ]; - rest: Identifier | null; - body: BlockStatement | Expression; - generator: boolean; - expression: boolean; -} -</pre> - -<p>A fat arrow function expression, i.e., `let foo = (bar) => { /* body */ }`.</p> - -<pre class="notranslate">interface SequenceExpression <: Expression { - type: "SequenceExpression"; - expressions: [ Expression ]; -}</pre> - -<p>A sequence expression, i.e., a comma-separated sequence of expressions.</p> - -<pre class="notranslate">interface UnaryExpression <: Expression { - type: "UnaryExpression"; - operator: UnaryOperator; - prefix: boolean; - argument: Expression; -}</pre> - -<p>A unary operator expression.</p> - -<pre class="notranslate">interface BinaryExpression <: Expression { - type: "BinaryExpression"; - operator: BinaryOperator; - left: Expression; - right: Expression; -}</pre> - -<p>A binary operator expression.</p> - -<pre class="notranslate">interface AssignmentExpression <: Expression { - type: "AssignmentExpression"; - operator: AssignmentOperator; - left: Pattern; - right: Expression; -}</pre> - -<p>An assignment operator expression.</p> - -<pre class="notranslate">interface UpdateExpression <: Expression { - type: "UpdateExpression"; - operator: UpdateOperator; - argument: Expression; - prefix: boolean; -}</pre> - -<p>An update (increment or decrement) operator expression.</p> - -<pre class="notranslate">interface LogicalExpression <: Expression { - type: "LogicalExpression"; - operator: LogicalOperator; - left: Expression; - right: Expression; -}</pre> - -<p>A logical operator expression.</p> - -<pre class="notranslate">interface ConditionalExpression <: Expression { - type: "ConditionalExpression"; - test: Expression; - alternate: Expression; - consequent: Expression; -}</pre> - -<p>A conditional expression, i.e., a ternary <code>?</code>/<code>:</code> expression.</p> - -<pre class="notranslate">interface NewExpression <: Expression { - type: "NewExpression"; - callee: Expression; - arguments: [ Expression ]; -}</pre> - -<p>A <code>new</code> expression.</p> - -<pre class="notranslate">interface CallExpression <: Expression { - type: "CallExpression"; - callee: Expression; - arguments: [ Expression ]; -}</pre> - -<p>A function or method call expression.</p> - -<pre class="notranslate">interface MemberExpression <: Expression { - type: "MemberExpression"; - object: Expression; - property: Identifier | Expression; - computed: boolean; -}</pre> - -<p>A member expression. If <code>computed === true</code>, the node corresponds to a computed <code>e1[e2]</code> expression and property is an <code>Expression</code>. If <code>computed === false</code>, the node corresponds to a static <code>e1.x</code> expression and property is an <code>Identifier</code>.</p> - -<pre class="notranslate">interface YieldExpression <: Expression { - type: "YieldExpression"; - argument: Expression | null; -} -</pre> - -<p>A <code>yield</code> expression.</p> - -<div class="note"><strong>メモ:</strong> <code>yield</code> expressions are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface ComprehensionExpression <: Expression { - type: "ComprehensionExpression"; - body: Expression; - blocks: [ ComprehensionBlock | ComprehensionIf ]; - filter: Expression | null; -} -</pre> - -<p>An <a href="/en/JavaScript/Guide/Obsolete_Pages/Working_with_Arrays#Array_comprehensions" title="https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Working_with_Arrays#Array_comprehensions">array comprehension</a>. The <code>blocks</code> array corresponds to the sequence of <code>for</code> and <code>for each</code> blocks. The optional <code>filter</code> expression corresponds to the final <code>if</code> clause, if present.</p> - -<div class="note"><strong>メモ:</strong> Array comprehensions are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface GeneratorExpression <: Expression { - type: "GeneratorExpression"; - body: Expression; - blocks: [ ComprehensionBlock | ComprehensionIf ]; - filter: Expression | null; -} -</pre> - -<p>A <a href="/en/JavaScript/Guide/Iterators_and_Generators#Generator_expressions" title="https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Iterators_and_Generators#Generator_expressions">generator expression</a>. As with array comprehensions, the <code>blocks</code> array corresponds to the sequence of <code>for</code> and <code>for each</code> blocks, and the optional <code>filter</code> expression corresponds to the final <code>if</code> clause, if present.</p> - -<div class="note"><strong>メモ:</strong> Generator expressions are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface GraphExpression <: Expression { - type: "GraphExpression"; - index: uint32; - expression: Literal; -} -</pre> - -<p>A <a href="/en/JavaScript/Sharp_variables_in_JavaScript" title="https://developer.mozilla.org/en/Sharp_variables_in_JavaScript">graph expression</a>, aka "sharp literal," such as <code>#1={ self: #1# }</code>.</p> - -<div class="note"><strong>メモ:</strong> Graph expressions are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface GraphIndexExpression <: Expression { - type: "GraphIndexExpression"; - index: uint32; -} -</pre> - -<p>A <a href="/en/JavaScript/Sharp_variables_in_JavaScript" title="https://developer.mozilla.org/en/Sharp_variables_in_JavaScript">graph index expression</a>, aka "sharp variable," such as <code>#1#</code>.</p> - -<div class="note"><strong>メモ:</strong> Graph index expressions are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface LetExpression <: Expression { - type: "LetExpression"; - head: [ VariableDeclarator ]; - body: Expression; -} -</pre> - -<p>A <code>let</code> expression.</p> - -<div class="note"><strong>メモ:</strong> The <code>let</code> expression form is SpiderMonkey-specific.</div> - -<h3 id="Patterns">Patterns</h3> - -<pre class="notranslate">interface Pattern <: Node { } -</pre> - -<p>JavaScript 1.7 introduced <a href="/en/JavaScript/New_in_JavaScript/1.7#Destructuring_assignment_%28Merge_into_own_page.2fsection%29" title="https://developer.mozilla.org/en/new_in_javascript_1.7#Destructuring_assignment_(Merge_into_own_page.2fsection)">destructuring assignment and binding</a> forms. All binding forms (such as function parameters, variable 宣言, and <code>catch</code> block headers) accept array and object destructuring patterns in addition to plain identifiers. The left-hand sides of assignment expressions can be arbitrary expressions, but in the case where the expression is an object or array literal, it is interpreted by SpiderMonkey as a destructuring pattern.</p> - -<p>Since the left-hand side of an assignment can in general be any expression, in an assignment context, a pattern can be any expression. In binding positions (such as function parameters, variable 宣言, and <code>catch</code> headers), patterns can only be identifiers in the base case, not arbitrary expressions.</p> - -<pre class="notranslate">interface ObjectPattern <: Pattern { - type: "ObjectPattern"; - properties: [ { key: Literal | Identifier, value: Pattern } ]; -} -</pre> - -<p>An object-destructuring pattern. A literal property in an object pattern can have either a string or number as its <code>value</code>.</p> - -<pre class="notranslate">interface ArrayPattern <: Pattern { - type: "ArrayPattern"; - elements: [ Pattern | null ]; -} -</pre> - -<p>An array-destructuring pattern.</p> - -<h3 id="Clauses">Clauses</h3> - -<pre class="notranslate">interface SwitchCase <: Node { - type: "SwitchCase"; - test: Expression | null; - consequent: [ Statement ]; -} -</pre> - -<p>A <code>case</code> (if <code>test</code> is an <code>Expression</code>) or <code>default</code> (if <code>test === null</code>) clause in the body of a <code>switch</code> statement.</p> - -<pre class="notranslate">interface CatchClause <: Node { - type: "CatchClause"; - param: Pattern; - guard: Expression | null; - body: BlockStatement; -} -</pre> - -<p>A <code>catch</code> clause following a <code>try</code> block. The optional <code>guard</code> property corresponds to the optional expression guard on the bound variable.</p> - -<div class="note"><strong>メモ:</strong> The guard expression is SpiderMonkey-specific.</div> - -<pre class="notranslate">interface ComprehensionBlock <: Node { - type: "ComprehensionBlock"; - left: Pattern; - right: Expression; - each: boolean; -} -</pre> - -<p>A <code>for</code> or <code>for each</code> block in an array comprehension or generator expression.</p> - -<pre class="notranslate">interface ComprehensionIf <: Node { - type: "ComprehensionIf"; - test: Expression; -}</pre> - -<p>An <code>if</code> filter in an array comprehension or generator filter.</p> - -<div class="note"><strong>メモ:</strong> Array comprehensions and generator expressions are SpiderMonkey-specific.</div> - -<h3 id="Miscellaneous">Miscellaneous</h3> - -<pre class="notranslate">interface Identifier <: Node, Expression, Pattern { - type: "Identifier"; - name: string; -} -</pre> - -<p>An identifier. Note that an identifier may be an expression or a destructuring pattern.</p> - -<pre class="notranslate">interface Literal <: Node, Expression { - type: "Literal"; - value: string | boolean | null | number | RegExp; -} -</pre> - -<p>A literal token. Note that a literal can be an expression.</p> - -<pre class="notranslate">enum UnaryOperator { - "-" | "+" | "!" | "~" | "typeof" | "void" | "delete" -} -</pre> - -<p>A unary operator token.</p> - -<pre class="notranslate">enum BinaryOperator { - "==" | "!=" | "===" | "!==" - | "<" | "<=" | ">" | ">=" - | "<<" | ">>" | ">>>" - | "+" | "-" | "*" | "/" | "%" - | "|" | "^" | "&" | "in" - | "instanceof" | ".." -} -</pre> - -<p>A binary operator token.</p> - -<div class="note"><strong>メモ:</strong> The <code>..</code> operator is E4X-specific.</div> - -<pre class="notranslate">enum LogicalOperator { - "||" | "&&" -} -</pre> - -<p>A logical operator token.</p> - -<pre class="notranslate">enum AssignmentOperator { - "=" | "+=" | "-=" | "*=" | "/=" | "%=" - | "<<=" | ">>=" | ">>>=" - | "|=" | "^=" | "&=" -} -</pre> - -<p>An assignment operator token.</p> - -<pre class="notranslate">enum UpdateOperator { - "++" | "--" -} -</pre> - -<p>An update (increment or decrement) operator token.</p> - -<h3 id="E4X">E4X</h3> - -<p>This section describes node types that are provided for E4X support. E4X has since been removed as of Gecko 21.</p> - -<p>{{ Obsolete_header() }}</p> - -<div class="note"><strong>メモ:</strong> E4X is not part of the ECMAScript standard (<a class="external" href="http://www.ecma-international.org/publications/standards/Ecma-262.htm" title="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMA-262</a>), but is a separate standard of its own (<a class="external" href="http://www.ecma-international.org/publications/standards/Ecma-357.htm" title="http://www.ecma-international.org/publications/standards/Ecma-357.htm">ECMA-357</a>).</div> - -<h4 id="宣言_2">宣言</h4> - -<pre class="notranslate">interface XMLDefaultDeclaration <: Declaration { - type: "XMLDefaultDeclaration"; - namespace: Expression; -} -</pre> - -<p>A <code>default xml namespace</code> declaration.</p> - -<h4 id="Expressions_2">Expressions</h4> - -<pre class="notranslate">interface XMLAnyName <: Expression { - type: "XMLAnyName"; -} -</pre> - -<p>The special E4X wildcard pseudo-identifier <code>*</code>.</p> - -<pre class="notranslate">interface XMLQualifiedIdentifier <: Expression { - type: "XMLQualifiedIdentifier"; - left: Identifier | XMLAnyName; - right: Identifier | Expression; - computed: boolean; -} -</pre> - -<p>An E4X qualified identifier, i.e., a pseudo-identifier using the namespace separator <code>::</code>. If the qualified identifier has a computed name (i.e., the <code>id::[expr]</code> form), then <code>computed</code> is <code>true</code> and the <code>right</code> property is an expression.</p> - -<pre class="notranslate">interface XMLFunctionQualifiedIdentifier <: Expression { - type: "XMLFunctionQualifiedIdentifier"; - right: Identifier | Expression; - computed: boolean; -} -</pre> - -<p>An E4X identifier qualified by the <code>function</code> keyword, e.g., <code>function::id</code>.</p> - -<div class="note"><strong>メモ:</strong> <code>function</code>-qualified identifiers are SpiderMonkey-specific.</div> - -<pre class="notranslate">interface XMLAttributeSelector <: Expression { - type: "XMLAttributeSelector"; - attribute: Expression; -} -</pre> - -<p>An E4X attribute selector expression, i.e., an <code>@</code> expression.</p> - -<pre class="notranslate">interface XMLFilterExpression <: Expression { - type: "XMLFilterExpression"; - left: Expression; - right: Expression; -} -</pre> - -<p>An E4X list filter expression, i.e., an expression of the form <code>expr.(expr)</code>.</p> - -<pre class="notranslate">interface XMLElement <: XML, Expression { - type: "XMLElement"; - contents: [ XML ]; -} -</pre> - -<p>An E4X literal representing a single XML element.</p> - -<pre class="notranslate">interface XMLList <: XML, Expression { - type: "XMLList"; - contents: [ XML ]; -} -</pre> - -<p>An E4X literal representing a list of XML elements.</p> - -<h4 id="XML">XML</h4> - -<pre class="notranslate">interface XML <: Node { } -</pre> - -<p>XML data.</p> - -<pre class="notranslate">interface XMLEscape <: XML { - type: "XMLEscape"; - expression: Expression; -} -</pre> - -<p>XML data with an escaped JavaScript expression.</p> - -<pre class="notranslate">interface XMLText <: XML { - type: "XMLText"; - text: string; -} -</pre> - -<p>Literal XML text.</p> - -<pre class="notranslate">interface XMLStartTag <: XML { - type: "XMLStartTag"; - contents: [ XML ]; -} -</pre> - -<p>An XML start tag.</p> - -<pre class="notranslate">interface XMLEndTag <: XML { - type: "XMLEndTag"; - contents: [ XML ]; -} -</pre> - -<p>An XML end tag.</p> - -<pre class="notranslate">interface XMLPointTag <: XML { - type: "XMLPointTag"; - contents: [ XML ]; -} -</pre> - -<p>An XML point tag.</p> - -<pre class="notranslate">interface XMLName <: XML { - type: "XMLName"; - contents: string | [ XML ]; -} -</pre> - -<p>An XML name.</p> - -<pre class="notranslate">interface XMLAttribute <: XML { - type: "XMLAttribute"; - value: string; -} -</pre> - -<p>An XML attribute value.</p> - -<pre class="notranslate">interface XMLCdata <: XML { - type: "XMLCdata"; - contents: string; -} -</pre> - -<p>An XML CDATA node.</p> - -<pre class="notranslate">interface XMLComment <: XML { - type: "XMLComment"; - contents: string; -} -</pre> - -<p>An XML comment.</p> - -<pre class="notranslate">interface XMLProcessingInstruction <: XML { - type: "XMLProcessingInstruction"; - target: string; - contents: string | null; -} -</pre> - -<p>An XML processing instruction.</p> - -<h2 id="ビルダーオブジェクト">ビルダーオブジェクト</h2> - -<p>The optional <strong><code>builder</code></strong> parameter to <code>Reflect.parse()</code> makes it possible to construct user-specified data from the parser, rather than the default <code>Node</code> objects. Builder objects may contain any of the callback methods described in this section.</p> - -<p>Each callback can produce any custom, user-defined datatype; these are referred to below as <code>CustomExpression</code>, <code>CustomStatement</code>, etc.</p> - -<div class="note"><strong>メモ:</strong> Because this library uses <code>null</code> for optional nodes, it is recommended that user-defined datatypes <strong>not</strong> use <code>null</code> as a representation of an AST node.</div> - -<p>If the <strong><code>loc</code></strong> option is enabled (see the <a href="/en/SpiderMonkey/Parser_API#Reflect.parse(src.5b.2c_options.5d)" title="en/SpiderMonkey/Parser API#Reflect.parse(src.5b.2c options.5d)">Reflect.parse() options</a> above), then each callback is provided with the source location information of the parsed node as an extra parameter.</p> - -<p>All builder callbacks are optional. When a callback is missing, the default format is used, but the provided builder methods are still used recursively for sub-nodes.</p> - -<h3 id="Programs_2">Programs</h3> - -<h5 id="programbody_loc"><code>program(body[, loc])</code></h5> - -<pre class="notranslate">body: [ CustomStatement ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomProgram</p> - -<p>Callback to produce a custom program node.</p> - -<h3 id="Statements_2">Statements</h3> - -<h5 id="emptyStatementloc"><code>emptyStatement([loc])</code></h5> - -<pre class="notranslate">loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom empty statement node.</p> - -<h5 id="blockStatementbody_loc"><code>blockStatement(body[, loc])</code></h5> - -<pre class="notranslate">body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom block statement node.</p> - -<h5 id="expressionStatementexpr_loc"><code>expressionStatement(expr[, loc])</code></h5> - -<pre class="notranslate">expr: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom expression statement node.</p> - -<h5 id="labeledStatementlabel_body_loc"><code>labeledStatement(label, body[, loc])</code></h5> - -<pre class="notranslate">label: CustomIdentifier -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom labeled statement node.</p> - -<h5 id="ifStatementtest_cons_alt_loc"><code>ifStatement(test, cons, alt[, loc])</code></h5> - -<pre class="notranslate">test: CustomExpression -cons: CustomStatement -alt: CustomStatement | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>if</code> statement node.</p> - -<h5 id="switchStatementdisc_cases_isLexical_loc"><code>switchStatement(disc, cases, isLexical[, loc])</code></h5> - -<pre class="notranslate">disc: CustomExpression -cases: [ CustomSwitchCase ] -isLexical: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>switch</code> statement node. The <strong><code>isLexical</code></strong> flag is metadata indicating whether the <code>switch</code> statement contains any unnested <code>let</code> 宣言 (and therefore introduces a new lexical scope).</p> - -<h5 id="whileStatementtest_body_loc"><code>whileStatement(test, body[, loc])</code></h5> - -<pre class="notranslate">test: CustomExpression -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>while</code> statement node.</p> - -<h5 id="doWhileStatementbody_test_loc"><code>doWhileStatement(body, test[, loc])</code></h5> - -<pre class="notranslate">body: CustomStatement -test: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>do</code>-<code>while</code> statement node.</p> - -<h5 id="forStatementinit_test_update_body_loc"><code>forStatement(init, test, update, body[, loc])</code></h5> - -<pre class="notranslate">init: CustomVariableDeclaration | CustomExpression | null -test: CustomExpression | null -update: CustomExpression | null -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>for</code> statement node.</p> - -<h5 id="forInStatementleft_right_body_isForEach_loc"><code>forInStatement(left, right, body, isForEach[, loc])</code></h5> - -<pre class="notranslate">left: CustomVariableDeclaration | CustomExpression -right: CustomExpression -body: CustomStatement -isForEach: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>for</code>-<code>in</code> statement node. The <strong><code>isForEach</code></strong> flag indicates whether the node is a <code>for each</code> statement.</p> - -<h5 id="breakStatementlabel_loc"><code>breakStatement(label[, loc])</code></h5> - -<pre class="notranslate">label: CustomIdentifier | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>break</code> statement node.</p> - -<h5 id="continueStatementlabel_loc"><code>continueStatement(label[, loc])</code></h5> - -<pre class="notranslate">label: CustomIdentifier | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>continue</code> statement node.</p> - -<h5 id="withStatementobj_body_loc"><code>withStatement(obj, body[, loc])</code></h5> - -<pre class="notranslate">obj: CustomExpression -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>with</code> statement node.</p> - -<h5 id="returnStatementarg_loc"><code>returnStatement(arg[, loc])</code></h5> - -<pre class="notranslate">arg: CustomExpression | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>return</code> statement node.</p> - -<h5 id="tryStatementbody_handlers_fin_loc"><code>tryStatement(body, handlers, fin[, loc])</code></h5> - -<pre class="notranslate">body: CustomStatement -handlers: [ CustomCatchClause ] -fin: CustomStatement | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>try</code> statement node.</p> - -<h5 id="throwStatementarg_loc"><code>throwStatement(arg[, loc])</code></h5> - -<pre class="notranslate">arg: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>throw</code> statement node.</p> - -<h5 id="debuggerStatementloc"><code>debuggerStatement([loc])</code></h5> - -<pre class="notranslate">loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>debugger</code> statement node.</p> - -<h5 id="letStatementhead_body_loc"><code>letStatement(head, body[, loc])</code></h5> - -<pre class="notranslate">head: [ CustomDeclarator ] -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomStatement</p> - -<p>Callback to produce a custom <code>let</code> statement node.</p> - -<h3 id="宣言_3">宣言</h3> - -<h5 id="functionDeclarationname_args_body_isGenerator_isExpression_loc"><code>functionDeclaration(name, args, body, isGenerator, isExpression[, loc])</code></h5> - -<pre class="notranslate">name: string -args: [ CustomPattern ] -body: CustomStatement | CustomExpression -isGenerator: boolean -isExpression: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomDeclaration</p> - -<p>Callback to produce a custom function declaration node.</p> - -<h5 id="variableDeclarationkind_dtors_loc"><code>variableDeclaration(kind, dtors[, loc])</code></h5> - -<pre class="notranslate">kind: "const" | "let" | "var" -dtors: [ CustomDeclarator ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomDeclaration</p> - -<p>Callback to produce a custom variable declaration node.</p> - -<h5 id="variableDeclaratorpatt_init_loc"><code>variableDeclarator(patt, init[, loc])</code></h5> - -<pre class="notranslate">patt: CustomPattern -init: CustomExpression | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomDeclarator</p> - -<p>Callback to produce a custom variable declarator node.</p> - -<h3 id="Expressions_3">Expressions</h3> - -<h5 id="sequenceExpressionexprs_loc"><code>sequenceExpression(exprs[, loc])</code></h5> - -<pre class="notranslate">exprs: [ CustomExpression ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom sequence expression node.</p> - -<h5 id="conditionalExpressiontest_cons_alt_loc"><code>conditionalExpression(test, cons, alt[, loc])</code></h5> - -<pre class="notranslate">test: CustomExpression -cons: CustomExpression -alt: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom conditional expression node.</p> - -<h5 id="unaryExpressionop_arg_isPrefix_loc"><code>unaryExpression(op, arg, isPrefix[, loc])</code></h5> - -<pre class="notranslate">op: UnaryOperator -arg: CustomExpression -isPrefix: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom unary expression node.</p> - -<h5 id="binaryExpressionop_left_right_loc"><code>binaryExpression(op, left, right[, loc])</code></h5> - -<pre class="notranslate">op: BinaryOperator -left: CustomExpression -right: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom binary expression node.</p> - -<h5 id="assignmentExpressionop_left_right_loc"><code>assignmentExpression(op, left, right[, loc])</code></h5> - -<pre class="notranslate">op: AssignmentOperator -left: CustomExpression -right: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom assignment expression node.</p> - -<h5 id="logicalExpressionop_left_right_loc"><code>logicalExpression(op, left, right[, loc])</code></h5> - -<pre class="notranslate">op: LogicalOperator -left: CustomExpression -right: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom logical expression node.</p> - -<h5 id="updateExpressionop_arg_isPrefix_loc"><code>updateExpression(op, arg, isPrefix[, loc])</code></h5> - -<pre class="notranslate">op: UpdateOperator -arg: CustomExpression -isPrefix: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom update expression node.</p> - -<h5 id="newExpressioncallee_args_loc"><code>newExpression(callee, args[, loc])</code></h5> - -<pre class="notranslate">callee: CustomExpression -args: [ CustomExpression ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>new</code>-expression node.</p> - -<h5 id="callExpressioncallee_args_loc"><code>callExpression(callee, args[, loc])</code></h5> - -<pre class="notranslate">callee: CustomExpression -args: [ CustomExpression ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom function call node.</p> - -<h5 id="memberExpressionobj_prop_isComputed_loc"><code>memberExpression(obj, prop, isComputed[, loc])</code></h5> - -<pre class="notranslate">obj: CustomExpression -prop: CustomIdentifier | CustomExpression -isComputed: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom member expression node.</p> - -<h5 id="functionExpressionname_args_body_isGenerator_isExpression_loc"><code>functionExpression(name, args, body, isGenerator, isExpression[, loc])</code></h5> - -<pre class="notranslate">name: CustomIdentifier | null -args: [ CustomPattern ] -body: CustomStatement | CustomExpression -isGenerator: boolean -isExpression: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom function expression node.</p> - -<h5 id="arrayExpressionelts_loc"><code>arrayExpression(elts[, loc])</code></h5> - -<pre class="notranslate">elts: [ CustomExpression | null ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom array expression node.</p> - -<h5 id="objectExpressionprops_loc"><code>objectExpression(props[, loc])</code></h5> - -<pre class="notranslate">props: [ CustomObjectProperty ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom object expression node.</p> - -<h5 id="thisExpressionloc"><code>thisExpression([loc])</code></h5> - -<pre class="notranslate">loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>this</code> expression node.</p> - -<h5 id="graphExpressionindex_expr_loc"><code>graphExpression(index, expr[, loc])</code></h5> - -<pre class="notranslate">index: uint32 >= 1 -expr: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>graph</code> expression node.</p> - -<h5 id="graphIndexExpressionindex_loc"><code>graphIndexExpression(index[, loc])</code></h5> - -<pre class="notranslate">index: uint32 >= 1 -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>graph index</code> expression node.</p> - -<h5 id="comprehensionExpressionbody_blocks_filter_loc"><code>comprehensionExpression(body, blocks, filter[, loc])</code></h5> - -<pre class="notranslate">body: CustomExpression -blocks: [ CustomComprehensionBlock | CustomComprehensionIf ] -filter: CustomExpression | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>comprehension</code> expression node.</p> - -<h5 id="generatorExpressionbody_blocks_filter_loc"><code>generatorExpression(body, blocks, filter[, loc])</code></h5> - -<pre class="notranslate">body: CustomExpression -blocks: [ CustomComprehensionBlock | CustomComprehensionIf ] -filter: CustomExpression | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>generator</code> expression node.</p> - -<h5 id="yieldExpressionarg_loc"><code>yieldExpression(arg[, loc])</code></h5> - -<pre class="notranslate">arg: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>yield</code> expression node.</p> - -<h5 id="letExpressionhead_body_loc"><code>letExpression(head, body[, loc])</code></h5> - -<pre class="notranslate">head: [ CustomDeclarator ] -body: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomExpression</p> - -<p>Callback to produce a custom <code>let</code> expression node.</p> - -<h3 id="Patterns_2">Patterns</h3> - -<h5 id="arrayPatternelts_loc"><code>arrayPattern(elts[, loc])</code></h5> - -<pre class="notranslate">elts: [ CustomPattern | null ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomPattern</p> - -<p>Callback to produce a custom array destructuring pattern node.</p> - -<h5 id="objectPatternprops_loc"><code>objectPattern(props[, loc])</code></h5> - -<pre class="notranslate">props: [ CustomPropertyPattern ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomPattern</p> - -<p>Callback to produce a custom object destructuring pattern node.</p> - -<h5 id="propertyPatternkey_patt_loc"><code>propertyPattern(key, patt[, loc])</code></h5> - -<pre class="notranslate">key: CustomLiteral | CustomIdentifier -patt: CustomPattern -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomPropertyPattern</p> - -<p>Callback to produce a custom object property destructuring pattern node.</p> - -<h3 id="Clauses_2">Clauses</h3> - -<h5 id="switchCasetest_cons_loc"><code>switchCase(test, cons[, loc])</code></h5> - -<pre class="notranslate">test: CustomExpression | null -cons: [ CustomStatement ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomSwitchCase</p> - -<p>Callback to produce a custom <code>case</code> or <code>default</code> clause node. The <strong><code>test</code></strong> argument is <code>null</code> if and only if the node is a <code>default</code> clause.</p> - -<h5 id="catchClausearg_guard_body_loc"><code>catchClause(arg, guard, body[, loc])</code></h5> - -<pre class="notranslate">arg: CustomPattern -guard: CustomExpression -body: CustomStatement -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomCatchClause</p> - -<p>Callback to produce a custom <code>catch</code> clause node.</p> - -<h5 id="comprehensionBlockleft_right_isForEach_loc"><code>comprehensionBlock(left, right, isForEach[, loc])</code></h5> - -<pre class="notranslate">left: CustomPattern -right: CustomExpression -isForEach: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomComprehensionBlock</p> - -<p>Callback to produce a custom comprehension block node. The <strong><code>isForEach</code></strong> flag indicates whether the node is a <code>for each</code> block.</p> - -<p><strong><code>comprehensionIf(test[, loc])</code></strong></p> - -<pre class="notranslate">test: CustomExpression -loc: SourceLocation</pre> - -<p>戻り値: CustomComprehensionIf</p> - -<p>Callback to produce a custom comprehension if node.</p> - -<h3 id="Miscellaneous_2">Miscellaneous</h3> - -<h5 id="identifiername_loc"><code>identifier(name[, loc])</code></h5> - -<pre class="notranslate">name: string -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomIdentifier/CustomPattern/CustomExpression</p> - -<p>Callback to produce a custom identifier node.</p> - -<h5 id="literalval_loc"><code>literal(val[, loc])</code></h5> - -<pre class="notranslate">val: string | boolean | null | number | RegExp -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomLiteral / CustomExpression</p> - -<p>Callback to produce a custom literal node.</p> - -<h5 id="propertykind_key_val_loc"><code>property(kind, key, val[, loc])</code></h5> - -<pre class="notranslate">kind: "init" | "get" | "set" -key: CustomLiteral | CustomIdentifier -val: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomObjectProperty</p> - -<p>Callback to produce a custom object property initializer node.</p> - -<h3 id="E4X_2">E4X</h3> - -<h4 id="宣言_4">宣言</h4> - -<h5 id="xmlDefaultDeclarationns_loc"><code>xmlDefaultDeclaration(ns[, loc])</code></h5> - -<pre class="notranslate">loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomDeclaration</p> - -<p>Callback to produce a custom XML default namespace declaration node.</p> - -<h4 id="Expressions_4">Expressions</h4> - -<h5 id="xmlAnyNameloc"><code>xmlAnyName([loc])</code></h5> - -<pre class="notranslate">loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXMLAnyName/CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML node for the wildcard pseudo-identifier <code>*</code>.</p> - -<h5 id="xmlAttributeSelectorexpr_loc"><code>xmlAttributeSelector(expr[, loc])</code></h5> - -<pre class="notranslate">expr: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML attribute selector node.</p> - -<h5 id="xmlFilterExpressionleft_right_loc"><code>xmlFilterExpression(left, right[, loc])</code></h5> - -<pre class="notranslate">left: CustomExpression -right: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML filter expression node.</p> - -<h5 id="xmlQualifiedIdentifierleft_right_isComputed_loc"><code>xmlQualifiedIdentifier(left, right, isComputed[, loc])</code></h5> - -<pre class="notranslate">left: CustomIdentifier | CustomXMLAnyName -right: CustomIdentifier | CustomExpression -isComputed: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom qualified identifier node.</p> - -<h5 id="xmlFunctionQualifiedIdentifierright_isComputed_loc"><code>xmlFunctionQualifiedIdentifier(right, isComputed[, loc])</code></h5> - -<pre class="notranslate">right: CustomIdentifier | CustomExpression -isComputed: boolean -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML <code>function</code>-qualified identifier node.</p> - -<h5 id="xmlElementcontents_loc"><code>xmlElement(contents[, loc])</code></h5> - -<pre class="notranslate">contents: [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML element node.</p> - -<h5 id="xmlListcontents_loc"><code>xmlList(contents[, loc])</code></h5> - -<pre class="notranslate">contents: [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML/CustomExpression</p> - -<p>Callback to produce a custom XML list node.</p> - -<h4 id="XML_2">XML</h4> - -<h5 id="xmlEscapeexpr_loc"><code>xmlEscape(expr[, loc])</code></h5> - -<pre class="notranslate">expr: CustomExpression -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML escape node.</p> - -<h5 id="xmlTexttext_loc"><code>xmlText(text[, loc])</code></h5> - -<pre class="notranslate">text: string -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML text node.</p> - -<h5 id="xmlStartTagcontents_loc"><code>xmlStartTag(contents[, loc])</code></h5> - -<pre class="notranslate">contents: [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML start-tag node.</p> - -<h5 id="xmlEndTagcontents_loc"><code>xmlEndTag(contents[, loc])</code></h5> - -<pre class="notranslate">contents: [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML end-tag node.</p> - -<h5 id="xmlPointTagcontents_loc"><code>xmlPointTag(contents[, loc])</code></h5> - -<pre class="notranslate">contents: [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML point tag node.</p> - -<h5 id="xmlNamecontents_loc"><code>xmlName(contents[, loc])</code></h5> - -<pre class="notranslate">contents: string | [ CustomXML ] -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML name node.</p> - -<h5 id="xmlAttributevalue_loc"><code>xmlAttribute(value[, loc])</code></h5> - -<pre class="notranslate">value: string -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML attribute node.</p> - -<h5 id="xmlCdatacontents_loc"><code>xmlCdata(contents[, loc])</code></h5> - -<pre class="notranslate">contents: string -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML <code>CDATA</code> node.</p> - -<h5 id="xmlCommentcontents_loc"><code>xmlComment(contents[, loc])</code></h5> - -<pre class="notranslate">contents: string -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML comment node.</p> - -<h5 id="xmlProcessingInstructiontarget_contents_loc"><code>xmlProcessingInstruction(target, contents[, loc])</code></h5> - -<pre class="notranslate">target: string -contents: string | null -loc: SourceLocation -</pre> - -<p><strong>戻り値:</strong> CustomXML</p> - -<p>Callback to produce a custom XML processing instruction node.</p> |