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<li>
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<a href="vscode.EvaluatableExpressionProvider.html">EvaluatableExpressionProvider</a>
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</li>
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<h1>Interface EvaluatableExpressionProvider</h1>
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</div>
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<div class="lead">
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<p>The evaluatable expression provider interface defines the contract between extensions and
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the debug hover. In this contract the provider returns an evaluatable expression for a given position
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in a document and the editor evaluates this expression in the active debug session and shows the result in a debug hover.</p>
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<li>
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<span class="target">EvaluatableExpressionProvider</span>
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</li>
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</ul>
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</section>
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<section class="tsd-panel-group tsd-index-group">
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<h2>索引</h2>
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<section class="tsd-panel tsd-index-panel">
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<div class="tsd-index-content">
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<section class="tsd-index-section ">
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<h3>Methods（1）</h3>
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<ul class="tsd-index-list">
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<li class="tsd-kind-method tsd-parent-kind-interface"><a href="vscode.EvaluatableExpressionProvider.html#provideEvaluatableExpression" class="tsd-kind-icon">provide<wbr>Evaluatable<wbr>Expression</a></li>
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</ul>
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</section>
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</div>
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</section>
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</section>
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<section class="tsd-panel-group tsd-member-group ">
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<h2>Methods（1）</h2>
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<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
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<a name="provideEvaluatableExpression" class="tsd-anchor"></a>
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<h3>provide<wbr>Evaluatable<wbr>Expression</h3>
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<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
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<li class="tsd-signature tsd-kind-icon">provide<wbr>Evaluatable<wbr>Expression<span class="tsd-signature-symbol">(</span>document<span class="tsd-signature-symbol">: </span><a href="vscode.TextDocument.html" class="tsd-signature-type" data-tsd-kind="Interface">TextDocument</a>, position<span class="tsd-signature-symbol">: </span><a href="../classes/vscode.Position.html" class="tsd-signature-type" data-tsd-kind="Class">Position</a>, token<span class="tsd-signature-symbol">: </span><a href="vscode.CancellationToken.html" class="tsd-signature-type" data-tsd-kind="Interface">CancellationToken</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.EvaluatableExpression.html" class="tsd-signature-type" data-tsd-kind="Class">EvaluatableExpression</a><span class="tsd-signature-symbol">></span></li>
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</ul>
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<ul class="tsd-descriptions">
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<li class="tsd-description">
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<aside class="tsd-sources">
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<ul>
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<li>Defined in <a href="https://github.com/youngjuning/vscode-api-cn/blob/d49491c/vscode.d.ts#L2717">vscode.d.ts:2717</a></li>
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</ul>
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</aside>
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<div class="tsd-comment tsd-typography">
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<div class="lead">
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<p>Provide an evaluatable expression for the given document and position.
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The editor will evaluate this expression in the active debug session and will show the result in the debug hover.
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The expression can be implicitly specified by the range in the underlying document or by explicitly returning an expression.</p>
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</div>
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</div>
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<h4 class="tsd-parameters-title">Parameters</h4>
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<ul class="tsd-parameters">
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<li>
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<h5>document: <a href="vscode.TextDocument.html" class="tsd-signature-type" data-tsd-kind="Interface">TextDocument</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>The document for which the debug hover is about to appear.</p>
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</div>
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</li>
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<li>
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<h5>position: <a href="../classes/vscode.Position.html" class="tsd-signature-type" data-tsd-kind="Class">Position</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>The line and character position in the document where the debug hover is about to appear.</p>
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</div>
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</li>
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<li>
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<h5>token: <a href="vscode.CancellationToken.html" class="tsd-signature-type" data-tsd-kind="Interface">CancellationToken</a></h5>
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<div class="tsd-comment tsd-typography">
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<p>A cancellation token.</p>
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</div>
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</li>
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</ul>
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<h4 class="tsd-returns-title">Returns <a href="../modules/vscode.html#ProviderResult" class="tsd-signature-type" data-tsd-kind="Type alias">ProviderResult</a><span class="tsd-signature-symbol"><</span><a href="../classes/vscode.EvaluatableExpression.html" class="tsd-signature-type" data-tsd-kind="Class">EvaluatableExpression</a><span class="tsd-signature-symbol">></span></h4>
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<p>An EvaluatableExpression or a thenable that resolves to such. The lack of a result can be
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signaled by returning <code>undefined</code> or <code>null</code>.</p>
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</li>
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</ul>
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</section>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.window.html">window</a>
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</li>
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<li class=" tsd-kind-namespace tsd-parent-kind-namespace">
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<a href="../modules/vscode.workspace.html">workspace</a>
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</ul>
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</nav>
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<li class="current tsd-kind-interface tsd-parent-kind-namespace">
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<a href="vscode.EvaluatableExpressionProvider.html" class="tsd-kind-icon">Evaluatable<wbr>Expression<wbr>Provider</a>
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<ul>
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<li class=" tsd-kind-method tsd-parent-kind-interface">
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<a href="vscode.EvaluatableExpressionProvider.html#provideEvaluatableExpression" class="tsd-kind-icon">provide<wbr>Evaluatable<wbr>Expression</a>
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<div class="container tsd-generator">
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<p><a href="https://liiked.github.io/VS-Code-Extension-Doc-ZH/" target="_blank">VS Code 插件开发中文文档</a> | <a href="https://jeasonstudio.gitbooks.io/vscode-cn-doc/content/" target="_blank">VS Code 中文文档</a> | <a href="https://code.visualstudio.com/docs" target="_blank">VS Code 官网文档</a> | <a href="https://marketplace.visualstudio.com/" target="_blank">VS Code 扩展市场</a></p>
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