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<h1 class="title">errorhandling</h1>
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<li>
<a class="reference reference-toplevel" href="#6" id="56">Imports</a>
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<li>
<details open>
<summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
<ul class="simple simple-toc-section">
<li><a class="reference" href="#ErrorKind" title="ErrorKind = enum
RawTypeMismatchError, ExpressionCannotBeCalled, CustomError,
WrongNumberOfArguments, AmbiguousCall">ErrorKind</a></li>
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<summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
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<ul class="simple nested-toc-section">errorSubNode
<li><a class="reference" href="#errorSubNode%2CPNode" title="errorSubNode(n: PNode): PNode">errorSubNode(n: PNode): PNode</a></li>
</ul>
<ul class="simple nested-toc-section">errorToString
<li><a class="reference" href="#errorToString%2CConfigRef%2CPNode" title="errorToString(config: ConfigRef; n: PNode): string">errorToString(config: ConfigRef; n: PNode): string</a></li>
</ul>
<ul class="simple nested-toc-section">newError
<li><a class="reference" href="#newError%2CPNode%2CErrorKind%2Cvarargs%5BPNode%5D" title="newError(wrongNode: PNode; k: ErrorKind; args: varargs[PNode]): PNode">newError(wrongNode: PNode; k: ErrorKind; args: varargs[PNode]): PNode</a></li>
<li><a class="reference" href="#newError%2CPNode%2Cstring" title="newError(wrongNode: PNode; msg: string): PNode">newError(wrongNode: PNode; msg: string): PNode</a></li>
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<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
<div id="tocRoot"></div>
<p class="module-desc">This module contains support code for new-styled error handling via an <tt class="docutils literal"><span class="pre"><span class="Identifier">nkError</span></span></tt> node kind.</p>
<div class="section" id="6">
<h1><a class="toc-backref" href="#6">Imports</a></h1>
<dl class="item">
<a class="reference external" href="ast.html">ast</a>, <a class="reference external" href="renderer.html">renderer</a>, <a class="reference external" href="options.html">options</a>, <a class="reference external" href="types.html">types</a>
</dl>
</div>
<div class="section" id="7">
<h1><a class="toc-backref" href="#7">Types</a></h1>
<dl class="item">
<div id="ErrorKind">
<dt><pre><a href="errorhandling.html#ErrorKind"><span class="Identifier">ErrorKind</span></a> <span class="Other">=</span> <span class="Keyword">enum</span>
<span class="Identifier">RawTypeMismatchError</span><span class="Other">,</span> <span class="Identifier">ExpressionCannotBeCalled</span><span class="Other">,</span> <span class="Identifier">CustomError</span><span class="Other">,</span>
<span class="Identifier">WrongNumberOfArguments</span><span class="Other">,</span> <span class="Identifier">AmbiguousCall</span></pre></dt>
<dd>
expand as you need.
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L20" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L20" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</dl>
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<div class="section" id="12">
<h1><a class="toc-backref" href="#12">Procs</a></h1>
<dl class="item">
<div id="errorSubNode-procs-all">
<div id="errorSubNode,PNode">
<dt><pre><span class="Keyword">proc</span> <a href="#errorSubNode%2CPNode"><span class="Identifier">errorSubNode</span></a><span class="Other">(</span><span class="Identifier">n</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L27" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L27" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="errorToString-procs-all">
<div id="errorToString,ConfigRef,PNode">
<dt><pre><span class="Keyword">proc</span> <a href="#errorToString%2CConfigRef%2CPNode"><span class="Identifier">errorToString</span></a><span class="Other">(</span><span class="Identifier">config</span><span class="Other">:</span> <a href="options.html#ConfigRef"><span class="Identifier">ConfigRef</span></a><span class="Other">;</span> <span class="Identifier">n</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.
<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">ValueError</span><span class="Other">,</span> <span class="Identifier">Exception</span><span class="Other">,</span> <span class="Identifier">KeyError</span><span class="Other">,</span> <span class="Identifier">OSError</span><span class="Other">,</span> <span class="Identifier">IOError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span>
<span class="Identifier">RootEffect</span><span class="Other">,</span> <span class="Identifier">WriteIOEffect</span><span class="Other">,</span> <span class="Identifier">ReadEnvEffect</span><span class="Other">,</span> <span class="Identifier">ReadIOEffect</span><span class="Other">,</span> <span class="Identifier">ReadDirEffect</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L61" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L61" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="newError-procs-all">
<div id="newError,PNode,ErrorKind,varargs[PNode]">
<dt><pre><span class="Keyword">proc</span> <a href="#newError%2CPNode%2CErrorKind%2Cvarargs%5BPNode%5D"><span class="Identifier">newError</span></a><span class="Other">(</span><span class="Identifier">wrongNode</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">;</span> <span class="Identifier">k</span><span class="Other">:</span> <a href="errorhandling.html#ErrorKind"><span class="Identifier">ErrorKind</span></a><span class="Other">;</span> <span class="Identifier">args</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">]</span><span class="Other">)</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a> {.
<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L39" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L39" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
<div id="newError,PNode,string">
<dt><pre><span class="Keyword">proc</span> <a href="#newError%2CPNode%2Cstring"><span class="Identifier">newError</span></a><span class="Other">(</span><span class="Identifier">wrongNode</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">;</span> <span class="Identifier">msg</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/errorhandling.nim#L50" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/errorhandling.nim#L50" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
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